Internet of Things smart gas meter electromechanical valve gearbox gear assembly system and method

Abstract

The present invention discloses an assembly system for a gearbox gear set of an electromechanical valve of an Internet of Things smart gas meter, including a gearbox cover conveying system; and also including: a gearbox cover feeding system, a lower gear assembly system, and an upper gear assembly system which are arranged in sequence along the conveying direction of the gearbox cover. The gearbox cover conveying system of the present invention is used to automatically convey the gearbox cover, and the cover is loaded into the gearbox cover conveying system by using the gearbox cover feeding system. The lower gear assembly system and the upper gear assembly system are respectively used for the gear assembly of the lower gear and the upper gear. After assembly, the lower gear and the upper gear are meshed with each other to form a gearbox gear set, and the assembly cost is low and the efficiency is high.

Description

Technical Field

[0001] The present invention relates to the technical field of gear assembly, in particular to an assembly system for a gear set of an electromechanical valve gearbox of an Internet of Things smart gas meter. Background Art

[0002] The gas meter electromechanical valve is used to open and close the gas meter and prevent it from blocking. The gas meter electromechanical valve is mainly assembled from a motor, a speed change gear box and a valve stem actuator.

[0003] Among them, the assembly process of the speed change gearbox is to pre-install the gear shaft on the cover of the speed change gearbox, and then install the gears in sequence to form a gearbox gear set. The gearbox gear set is generally a multi-stage gear set structure composed of multiple single gears and double gears stacked and meshed with each other.

[0004] When installing gears, manual assembly is currently the main method, that is, manually clamping the gears, manually adjusting the position of the clamped gears to meet the assembly requirements, and then manually assembling the gears and the gear shafts to form shaft holes. There are many problems: 1. First, due to the small diameter of the gears, it is extremely inconvenient to manually clamp the gears, and the clamped gears are also very easy to fall off. After each gear is clamped, the gear assembly position needs to be manually adjusted, which is inefficient. In addition, the hands or other tools may be used to assist in the adjustment process, which consumes manpower and is difficult to process. 2. Secondly, due to the large number of tool placement steps in manual processing, dust is easily introduced, causing product pollution. 3. Furthermore, due to the uncertainty of the strength and accuracy of each manual operation, the gears may be damaged during the process. Therefore, there is a demand for automated assembly in the industry, but due to the small diameter of the gears and the difficulty in adjusting the assembly position, there are currently few devices on the market that can achieve the gear assembly. Summary of the invention

[0005] The purpose of the present invention is to overcome the shortcomings of the prior art and provide an Internet of Things smart gas meter electromechanical valve gearbox gear set assembly system, which can realize efficient automatic assembly of the gearbox gear set.

[0006] The purpose of the present invention is mainly achieved through the following technical solutions: an IoT smart gas meter electromechanical valve gearbox gear set assembly system, including a gearbox cover conveying system for conveying a gearbox cover with a gear shaft installed; and also including: a gearbox cover feeding system arranged in sequence along the gearbox cover conveying direction, for grabbing the gearbox cover to the gearbox cover conveying system; a lower gear assembly system for sequentially assembling lower gears on the gear shaft; an upper gear assembly system for sequentially assembling upper gears on the gear shaft; the lower gears and upper gears are meshed with each other after assembly to form a gearbox gear set.

[0007] Based on the above technical solution, the gearbox cover feeding system includes a motion module, which is connected to a gearbox cover grabbing and feeding mechanism; the gearbox cover grabbing and feeding mechanism includes a cylinder and a plurality of linkage jaws connected to one end of the cylinder, and the plurality of linkage jaws are driven by the cylinder to synchronously realize radial translation to grab or release the gearbox cover, and the inner sides of the plurality of linkage jaws are provided with cover positioning steps of the same height as the lower end surface.

[0008] Based on the above technical solution, some of the linkage clamps also include a cover body anti-slip structure arranged at the lower part of the cover body positioning step. The cover body anti-slip structure is a cover body positioning step formed by protruding outward from the inner side of the end of the linkage clamp, and the gearbox cover body is provided with an annular groove that cooperates with the cover body positioning step.

[0009] Based on the above technical solution, the lower gear assembly system includes a gear conveying module, which is used to adjust and convey the gear to the grabbing position; a gear assembly module, which is used to move to the grabbing position to grab the gear and assemble the grabbed gear to the gear shaft; the gear assembly module includes a first moving component and a gear assembly component connected to the first moving component; the gear assembly component includes a mounting part connected to the first moving component, at least one reciprocating part connected to the mounting part, a mounting plate connected to the reciprocating part, and a gear suction and release head connected to the mounting plate.

[0010] Based on the above technical solution, the gear suction and discharge head includes a main body connected to a mounting plate at one end, an annular boss is provided at the other end of the main body, an adsorption cavity is formed inside the annular boss, a gear shaft hole positioning piece is provided at the bottom of the adsorption cavity, and the main body is also provided with an air duct connected to the adsorption cavity, and the air duct is connected to the air distribution hole on the mounting plate.

[0011] Based on the above technical solution, the upper gear assembly system and the lower gear assembly system have the same structure. A first self-resetting deformable part is also installed on the mounting part of the upper gear assembly system. The first self-resetting deformable part can move to the upper end surface of the gearbox cover body and press downward along with the first moving component. Based on the downward pressure of the first self-resetting deformable part, the assembled gears on the gearbox cover body are driven to engage with each other.

[0012] Based on the above technical solution, it also includes a gear shaft in place and height detection system arranged between the gearbox cover feeding system and the lower gear assembly system; the gear shaft in place and height detection system includes a transverse cylinder, and the slide of the transverse cylinder is provided with upper and lower cylinders, and the slides of the upper and lower cylinders are connected with displacement sensors.

[0013] Based on the above technical solution, it also includes a first air blowing member arranged between the lower gear assembly system and the upper gear assembly system. The first air blowing member is used for continuous or intermittent blowing to generate an airflow directed to one or more gears in the gearbox gear set, and the gears in the gearbox gear set are driven to rotate and engage based on the airflow.

[0014] Based on the above technical scheme, it also includes a gear meshing detection system arranged behind the installation position of the upper gear assembly system; the gear meshing detection system includes: a second self-resetting deformable member, which is used to contact and deform with the conveyed gear set of the transmission, and the gears in the transmission gear set are driven to rotate and mesh based on the friction force generated by the contact between the two and / or the self-resetting deformation force generated by the deformation of the second self-resetting deformable member; a second air blowing member, which is used to blow air to drive the gear meshing transmission in the transmission gear set through gas flow, and the blowing direction of the second air blowing member points to the inner tooth surface of the tooth groove of any gear in the first or last stage of the transmission gear set; the second self-resetting deformable member and the second air blowing member are sequentially arranged along the conveying track direction of the transmission gear set; and also includes a detection member, which is arranged after the second self-resetting deformable member or the second air blowing member, and is used to detect the number of rotating teeth of another gear in the first or last stage of the transmission gear set.

[0015] Based on the above technical solution, the gearbox cover conveying system includes a dividing plate for conveying the gearbox cover, the dividing plate is provided with a tooling fixture, the gearbox cover is positioned on the tooling fixture, and the gearbox gear set is installed on the upper end of the gearbox cover; a divider is also provided at the lower end of the dividing plate.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. The gearbox cover conveying system of the present invention is used for automatically conveying the gearbox cover, and a gearbox cover feeding system, a lower gear assembly system and an upper gear assembly system are sequentially arranged in the conveying direction, and then the gearbox cover feeding system is used to load the cover into the gearbox cover conveying system, and the lower gear assembly system and the upper gear assembly system are respectively used for the gear assembly of the lower gear and the upper gear. After assembly, the lower gear and the upper gear mesh with each other to form a gearbox gear set, thereby completing the gear assembly of the gearbox gear set, with low assembly cost and high efficiency, and can realize the automatic assembly of the gearbox gear set and the gearbox.

[0018] 2. The gearbox cover feeding system of the present invention utilizes a cylinder to drive a number of linked clamps to synchronously realize circumferential movement to achieve the grasping or loosening of the gearbox cover. During grasping, the horizontal positioning accuracy and stability of the cover are further guaranteed by the cover positioning step and the cover anti-slip structure, thereby achieving stable and precise grasping, and utilizing the motion module for driving.

[0019] 3. The present invention utilizes the lower gear assembly system and the upper gear assembly system to automatically install the lower and upper gears, thereby realizing the layered assembly of the gears. When installing the lower (upper) gears, the gear conveying module of the lower gear assembly system (upper gear assembly system) adjusts the gear state and conveys it to the grabbing position, and the first motion component and the reciprocating motion part drive the gear suction and release head to the grabbing position to grab the gear feed. After grabbing, the gear is transported to the top of the gearbox cover body for discharging and assembly through the first motion component and the reciprocating motion part, thereby realizing the automatic assembly of the gears. During assembly, the lower gears are installed first and then the upper gears, thereby realizing the gear installation in an orderly manner. The installed gears can also better mesh to realize transmission, and the gear installation efficiency is high and the cost is low.

[0020] 4. The gear suction and discharge head of the present invention adopts a pneumatic method to realize gear suction, grasping and discharging assembly. During grasping, the reciprocating motion part drives the gear suction and discharge head to a suitable grasping position. The gear suction and discharge head can be connected to the external air source system through the air distribution hole, and then the external air source system is used to evacuate air so that the adsorption chamber generates negative pressure to absorb the gear. The annular boss is used to fit with the gear end face to form a surface seal, and the adsorption chamber forms a negative pressure chamber to stably adsorb the gear. When the gear is grasped, the gear shaft hole positioning part cooperates with the gear shaft hole of the gear, so that the gear can be positioned by the gear shaft hole positioning part during adsorption, thereby ensuring the adsorption position of the gear. The horizontality and gear shaft hole position of the gear are automatically corrected by the gear shaft hole positioning part. The gear is automatically corrected and positioned during adsorption. During discharging, air is introduced through the external air source system so that the adsorption chamber generates airflow to spray the gear onto the gear shaft for installation. The gear is easy to take and place, and the assembly efficiency is greatly improved.

[0021] 5. The upper gear assembly system of the present invention drives the first self-resetting deformation member to press down and extrude the installed gearbox gear set through the reciprocating motion member, so that the internal gear is pressed down and moved axially along the gear shaft during extrusion, so that the multi-layer gears can make up for the dimensional error of not being installed in place during assembly when pressed down, thereby improving the gear assembly accuracy. In the extrusion process, adjacent gears produce slight shaking, floating, tilting or rotation with each other, so that the gear teeth and tooth grooves between the gears can better mesh together, ensuring the meshing accuracy and improving the gear assembly accuracy. The first self-resetting deformation member has a self-resetting deformation effect. When extruding the gear, it can be deformed to reduce the effect on the rigidity of the gear, and after deformation, it can increase the contact area with the gear, so that the extrusion force or the self-resetting deformation force can be evenly dispersed to the gear contact surface, avoiding local extrusion and causing gear deformation, and further ensuring the integrity of the gear.

[0022] 6. The gear shaft position and height detection system of the present invention utilizes upper and lower cylinders to drive the displacement sensor to move to the end face of the gear shaft for contact detection. It can detect whether the gear shaft is installed in place and whether the height of the gear shaft meets the standard, thereby detecting shaft size defects or shaft installation problems and ensuring the installation accuracy of subsequent gears. At the same time, the transverse cylinder can also be used to drive the displacement sensor to move transversely, thereby detecting the position or fault problems of multiple gear shafts.

[0023] 7. The first air blowing member of the present invention is used to assist the gear meshing of the gear set of the transmission. The first air blowing member continuously or intermittently blows air to generate an airflow directed to one or more gears in the gear set of the transmission. The airflow drives the gear set of the transmission to rotate, and the gear meshing is achieved during the rotation. Since the rotation of the gear is achieved by the airflow without rigidity, the interaction force between the gears changes during the meshing process, and the gears will not be squeezed continuously at a certain point, thereby avoiding deformation or damage of the gears. The structural integrity of the gears can be well protected in the process of assisting the gear meshing.

[0024] 8. The gear meshing detection system of the present invention is used for gear meshing condition detection. Before the detection, the gears in the gearbox gear set are preliminarily meshed by using the second self-resetting deformation member, and then the gears are driven by the second air blowing member through contactless blowing, and finally the detection is performed by the detection member, thereby ensuring that the gears are in a fully meshed state during the detection, ensuring the accuracy and effectiveness of the gear detection, and reducing the scrap rate. Secondly, the second self-resetting deformation member is used to assist the gear meshing and then the second air blowing member is used through contactless blowing, thereby protecting the integrity of the gears extremely well, avoiding damage caused by the gears being squeezed and squeezed, having good protection for the gears, and the transmission is extremely stable, and the detection success rate is extremely high.

[0025] 9. The present invention is based on the second air blowing member, which is used for blowing, and then the gas flow is used to drive the gear transmission in the gear set, thereby realizing the gear transmission basis required for detection, and there is no rigid contact between the gas and the gear. The gear will produce slight shaking or floating during the gas blowing process, and then the shaking or floating process can assist the meshing of the gear teeth between adjacent gears, ensuring that the gears in the gear set can achieve complete meshing, and the gears will not be squeezed and damaged due to inadequate meshing, and the continuous blowing of the second air blowing member can also ensure that the gears can be stably transmitted, thereby ensuring the detection results.

[0026] 10. The present invention provides a second self-resetting deformable member with a deformation effect and capable of automatically restoring its shape, which contacts the gear set of the gearbox during the conveying process. Due to its deformation effect, the second self-resetting deformable member contacts and deforms with the gear set of the gearbox during conveying, and contact friction is generated between the second self-resetting deformable member and the gear set of the gearbox. At the same time, due to deformation, the second self-resetting deformable member generates a reset deformation force, and based on the friction force and / or deformation force, the gears in the gear set of the gearbox can be driven to produce slight movements such as shaking, floating, fluctuating or rotating. When the gears that are not meshed or not fully meshed perform the above actions, the tooth grooves and gear teeth of each other are more easily meshed together, thereby achieving an auxiliary meshing effect in the gear set of the gearbox, ensuring that the gears are fully meshed and thus ensuring the accuracy of the detection results, and restoring the original state after the deformation is completed, thereby achieving the purpose of repeated use.

[0027] The present invention is also based on the above IoT smart gas meter electromechanical valve gearbox gear set assembly system, and discloses a gas meter electromechanical valve gearbox gear set assembly method, the method comprising:

[0028] The gearbox cover feeding system grabs the gearbox cover and places the gearbox cover on the gearbox cover conveying system;

[0029] The gearbox cover conveying system conveys the gearbox cover to the lower gear assembly system position;

[0030] The lower gear assembly system grabs the gears and installs them on the gear shafts in sequence to complete the installation of the lower gears;

[0031] The upper gear assembly system grabs the gears and installs them on the gear shafts one by one to complete the upper gear installation.

[0032] The lower gear and the upper gear are assembled and meshed with each other to complete the assembly of the gear set of the speed change gear box.

[0033] The gas meter electromechanical valve gearbox gear assembly method utilizes a gearbox cover loading system to grab the gearbox cover and transport it to the gearbox cover conveying system, and utilizes a lower gear assembly system and an upper gear assembly system to assemble the lower gear and the upper gear respectively during the conveying process, thereby automatically completing the loading and assembly required for the gear installation, realizing the automated assembly of the gearbox gear set, reducing costs, and increasing assembly accuracy and efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] The drawings described herein are used to provide a further understanding of the embodiments of the present invention, constitute a part of this application, and do not constitute a limitation of the embodiments of the present invention. In the drawings:

[0035] Figure 1 This is a structural diagram of the electromechanical valve gearbox gear assembly system of the Internet of Things smart gas meter;

[0036] Figure 2 It is a schematic diagram of the structure of the gear set of the electromechanical valve gearbox of the gas meter;

[0037] Figure 3 It is a structural schematic diagram of the transmission cover conveying system;

[0038] Figure 4 It is a structural diagram of the tooling fixture;

[0039] Figure 5 It is a structural schematic diagram of the gearbox cover feeding system;

[0040] Figure 6 It is a first structural schematic diagram of the gearbox cover body grabbing and unloading mechanism;

[0041] Figure 7 It is a schematic diagram of the structure of the motion module;

[0042] Figure 8 2 is a second structural schematic diagram of the gearbox cover body grabbing and discharging mechanism;

[0043] Fig. 9 yes Figure 8 Cross-sectional view of section AA;

[0044] Fig.10 It is a third structural schematic diagram of the gearbox cover body grabbing and discharging mechanism;

[0045] Fig.11 4 is a schematic diagram of the structure of the gearbox cover body grabbing and discharging mechanism;

[0046] Fig.12 1 is a fifth structural schematic diagram of the gearbox cover body grabbing and unloading mechanism;

[0047] Fig.13 is a sixth structural schematic diagram of the gearbox cover body grabbing and discharging mechanism;

[0048] Fig.14 yes Fig.13 Cross-sectional view of the middle BB section;

[0049] Fig.15 It is a schematic diagram of the structure of the lower gear assembly system;

[0050] Fig.16 It is a structural schematic diagram of the gear conveying module;

[0051] Fig.17 yes Fig.16 A magnified view of the structure at B in the middle;

[0052] Fig.18 It is a structural schematic diagram of the gear assembly module;

[0053] Fig.19 is a schematic diagram of the structure of the first motion component;

[0054] Fig. 20 is a schematic diagram of the structure of the gear assembly;

[0055] Fig.21 It is a first structural schematic diagram of the mounting plate and the gear suction and discharge head;

[0056] Fig. 22 is a first structural schematic diagram of a mounting plate;

[0057] Fig.23 is a second structural schematic diagram of the mounting plate;

[0058] Fig.24 This is a schematic diagram of the structure of the gear suction and discharge head;

[0059] Fig.25 This is a schematic diagram of the structure after the gear suction and discharge head adsorbs the gear;

[0060] Fig.26 This is a structural cross-sectional view of the gear suction and discharge head;

[0061] Fig. 27 This is a schematic diagram of the structure of the gear suction and discharge head and the ejection gear;

[0062] Fig.28 2. It is a second structural schematic diagram of the mounting plate and the gear suction and discharge head;

[0063] Fig.29 It is a structural diagram of the upper gear assembly system;

[0064] Fig.30 is a schematic structural diagram of a first self-resetting deformation member;

[0065] Fig.31 It is a structural diagram of the gear shaft in place and height detection system;

[0066] Fig.32 is a structural schematic diagram of a first air blowing member;

[0067] Fig.33 It is a schematic diagram of the structure of the lifting assembly;

[0068] Fig.34 It is a structural schematic diagram of a gear meshing detection system;

[0069] Fig.35 yes Fig.34 The structural diagram at C in the middle;

[0070] Fig.36 It is a structural schematic diagram of the discharge detection device;

[0071] The numbers in the figure represent:

[0072] 1-transmission cover conveying system; 2-gear shaft; 3-transmission cover; 4-transmission cover feeding system; 5-lower gear assembly system; 6-upper gear assembly system; 7-transmission gear set; 8-indexing plate; 9-tooling fixture; 10-divider; 11-motion module; 12-transmission cover grabbing and feeding mechanism; 13-cylinder; 14-linked clamping claw; 15-cover positioning step; 16-linear module; 17-lifting cylinder; 18-cylinder mounting hole ; 19-speed regulating valve; 20-cover body positioning step; 21-ring groove; 22-elastic belt; 23-through groove; 24-gear conveying module; 25-gear assembly module; 26-gear vibration feeding plate; 27-gear horizontal conveying platform; 28-gear positioning platform; 29-positioning channel; 30-vibration rotating plate; 31-conveying track; 32-shifting member; 33-first moving assembly; 34-gear assembly assembly; 35-driving platform; 36-rotating arm; 37-driving member; 3 8-rotating lifting member; 39-mounting member; 40-reciprocating member; 41-mounting plate; 42-gear suction and discharge head; 43-connecting part; 44-up and down speed regulating valve; 45-connecting hole; 46-body; 47-annular boss; 48-adsorption chamber; 49-gear shaft hole positioning member; 50-airway; 51-distribution hole; 52-limiting head; 53-limiting groove; 54-shaft body; 55-airway air inlet groove; 56-gear shaft sleeve positioning groove; 57-mounting hole; 58-distribution Air cavity; 59-screw mounting hole; 60-sealing ring groove; 61-first self-resetting deformation member; 62-gear shaft in place and height detection system; 63-transverse cylinder; 64-upper and lower cylinders; 65-displacement sensor; 66-first air blowing member; 67-lifting assembly; 68-bracket; 69-lifting block; 70-gear meshing detection system; 71-second self-resetting deformation member; 72-second air blowing member; 73-detection member; 74-lifting system; 75-discharging detection device. DETAILED DESCRIPTION

[0073] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with embodiments and drawings. The exemplary embodiments of the present invention and their description are only used to explain the present invention and are not intended to limit the present invention.

[0074] like Figure 1 , Figure 2 As shown, the IoT smart gas meter electromechanical valve gearbox gear set assembly system of this embodiment includes a gearbox cover conveying system 1 for conveying a gearbox cover 3 with a gear shaft 2 installed;

[0075] It also includes the following components which are arranged in sequence along the conveying direction of the gearbox cover:

[0076] The gearbox cover body feeding system 4 is used to grab the gearbox cover body 3 and put it on the gearbox cover body conveying system 1;

[0077] A lower gear assembly system 5, used for sequentially assembling lower gears on the gear shaft 2;

[0078] An upper gear assembly system 6, used to assemble the upper gears on the gear shaft 2 in sequence;

[0079] The lower gear and the upper gear are assembled and meshed with each other to form a gearbox gear set 7.

[0080] In the gearbox gear assembly system of the electromechanical valve of the IoT smart gas meter, the gearbox cover conveying system 1 is used to automatically convey the gearbox cover 3, and the gearbox cover feeding system 4, the lower gear assembly system 5 and the upper gear assembly system 6 are sequentially arranged in the conveying direction, and then the gearbox cover feeding system 4 is used to load the gearbox cover 3 into the gearbox cover conveying system 1, and the lower gear assembly system 5 and the upper gear assembly system 6 are respectively used to assemble the lower gear and the upper gear on the gearbox cover 3. After assembly, the lower gear and the upper gear are meshed with each other to form a gearbox gear set 7, that is, the gear assembly of the gearbox gear set 7 is completed, the assembly cost is low, the efficiency is high, and the automatic assembly of the gearbox gear set 7 and the gearbox can be realized.

[0081] The gearbox cover conveying system 1 is mainly used to convey the gearbox cover 3, which can be various conveying equipment or structures, such as a chain conveyor, a plate conveyor, a belt conveyor, a turntable conveyor, etc.

[0082] like Figure 3 , Figure 4 As shown, as a feasible structure, the gearbox cover conveying system 1 includes a dividing plate 8 for conveying the gearbox cover 3, the dividing plate 8 is provided with a tooling fixture 9, the gearbox cover 3 is positioned on the tooling fixture 9, and the gearbox cover 3 is installed on the upper end of the gearbox cover 3; the dividing plate 8 is also provided with a divider 10 at the lower end.

[0083] When in use, the indexing plate 8 is used to intermittently transport the gearbox cover 3 to complete the classified installation of the gears on the gearbox cover 3. Specifically, the tooling fixture 9 is provided with a positioning groove matched with the gearbox cover 3 for fixing the gearbox cover 3, and the divider 10 is used to drive the indexing plate 8 to rotate intermittently according to the rotation angle requirement. During the rotation process, all the gears in the gearbox gear set 7 are installed on the gearbox cover 3. After the gear assembly is completed, the installed gearbox cover 3 can be taken out. The gearbox cover conveying system 1 can not only realize the conveying of the gearbox cover 3, but also ensure the positioning effect and conveying position of the gearbox cover 3, thereby improving the accuracy of the assembly position, and the indexing plate 8 adopts a rotating method to realize the conveying of the gearbox cover 3, which can save a lot of floor space and space, and reduce the use requirements of the gearbox cover conveying system 1.

[0084] The gearbox cover body feeding system 4 is mainly used to grab the gearbox cover body 3 and place the gearbox cover body 3 on the gearbox cover body conveying system 1 (tooling fixture 9).

[0085] like Figure 5 , Figure 6 As shown, the gearbox cover feeding system 4 includes a motion module 11, which is connected to a gearbox cover grabbing and feeding mechanism 12. The gearbox cover grabbing and feeding mechanism 12 includes a cylinder 13 and a plurality of linkage jaws 14 connected to one end of the cylinder 13. Driven by the cylinder 13, the plurality of linkage jaws 14 synchronously realize radial translation to grab or release the gearbox cover 3. The inner sides of the plurality of linkage jaws 14 are provided with cover positioning steps 15 of the same height as the lower end surface.

[0086] In the present gearbox cover feeding system 4, when the gearbox cover 3 needs to be grasped, the motion module 11 drives the gearbox cover grasping and discharging mechanism 12 to the position of the gearbox cover 3, and the cylinder 13 drives a number of linked jaws 14 to synchronously realize radial translation, and the several linked jaws 14 are first synchronously opened circumferentially to reserve the grasping position, and then synchronously retracted circumferentially to grasp the gearbox cover 3. During the grasping process, the cover positioning step 15 is first positioned on the upper end surface of the gearbox cover 3 to horizontally position the gearbox cover 3 as a whole between the cover positioning step 15 and the several linked jaws 14, and it is horizontally aligned and grasped. After the grasping is completed, the motion module 11 drives the gearbox cover grasping and discharging mechanism 12 to the gearbox cover conveying system 1 to discharge the material, and the gearbox cover 3 is placed on the gearbox cover conveying system 1 to complete the discharge. While ensuring the positioning accuracy of the grasping, it can also ensure seamless connection with the gearbox cover conveying system 1.

[0087] like Figure 7As shown, the motion module 11 includes at least one linear module 16 and a lifting cylinder 17. The gearbox cover grabbing and discharging mechanism 12 is connected to the execution end of the lifting cylinder 17, so that the gearbox cover grabbing and discharging mechanism 12 can be used to grab and discharge materials. Specifically, the linear module 16 drives the gearbox cover grabbing and discharging mechanism 12 to the loading position of the gearbox cover 3, and the lifting cylinder 17 drives the gearbox cover grabbing and discharging mechanism 12 to move downward, and the gearbox cover grabbing and discharging mechanism 12 grabs the gearbox cover 3 and returns to its original position after completion. The linear module 16 drives the gearbox cover grabbing and discharging mechanism 12 to the loading position, and the lifting cylinder 17 drives the gearbox cover grabbing and discharging mechanism 12 to move downward, and the gearbox cover grabbing and discharging mechanism 12 discharges materials, and the gearbox cover 3 is placed on the gearbox cover conveying system 1 to complete the grabbing and discharging of the gearbox cover 3.

[0088] Continue reading Figure 6 The cylinder 13 is mainly used to provide kinetic energy for the radial translation of the plurality of linked jaws 14 and ensure the synchronous translation of the plurality of linked jaws 14. Furthermore, a cylinder mounting hole 18 is also provided at the other end of the cylinder 13, and the cylinder mounting hole 18 is connected to the motion module 11 (lifting cylinder 17) through a connecting piece. Furthermore, in order to ensure the grasping speed of the cylinder 13, a speed regulating valve 19 is also provided on the cylinder 13, so that the gas flow rate in the cylinder 13 can be adjusted by the speed regulating valve 19, and then the speed of the radial translation of the plurality of linked jaws 14 can be adjusted, so as to control the grasping position and grasping force, and maintain the smooth movement of the plurality of linked jaws 14. Specifically, two speed regulating valves 19 are provided, and the two speed regulating valves 19 are connected in series to the internal air path of the cylinder 13, so as to achieve the purpose of dual speed regulation and ensure the stability and safety of the grasping of the cylinder 13. It should be noted that the cylinder 13 can be any existing model and specification of cylinder, which can be selected according to its power, size, weight and other parameters, and will not be described in detail in this embodiment.

[0089] like Figure 8 , Fig. 9 As shown, the linkage clamp 14 at least includes a cover body positioning step 15, which is mainly used for radial translation to grasp or release the gearbox cover body 3. There are a plurality of linkage clamps 14, so that the gearbox cover body 3 is circumferentially clamped and grasped by a plurality of linkage clamps 14 to avoid damage to the gears on the gearbox cover body 3, and the cover body positioning step 15 is used for accurate grasping during grasping to prevent the gearbox cover body 3 from being inaccurately positioned and affecting the next step. Further, there are three linkage clamps 14, and the three linkage clamps 14 are evenly distributed at the end of the cylinder 13 in a circumferential manner, which simplifies the structure and achieves the purpose of uniform clamping.

[0090] Specifically, the cover body positioning step 15 is arranged on the inner side of the linkage clamping jaw 14, and is a horizontal step-shaped structure formed by the inner side of the linkage clamping jaw 14 protruding outward. The cover body positioning step 15 is arranged on the inner side of a plurality of linkage clamping jaws 14, and the lower end faces of all the cover body positioning steps 15 are of the same height. When grasping, the lower end face of the cover body positioning step 15 is pressed against the upper end of the gearbox cover 3 to keep it horizontal, and the linkage clamping jaw 14 is synchronously retracted to position it on the inner side of the linkage clamping jaw 14, further ensuring the position of the gearbox cover 3 after grasping, and achieving a good positioning and grasping effect.

[0091] In order to ensure that the discharging state of the gearbox cover 3 remains horizontal, and to facilitate the connection with the next process, the height of the cover positioning step 15 of this embodiment from the end of the linkage clamp 14 is less than or equal to the height of the gearbox cover 3. When discharging, the gearbox cover 3 is directly placed on the gearbox cover conveying system 1 (or the tooling fixture 9), so it is necessary to ensure that the gearbox cover 3 is level when discharging, and because the gearbox cover 3 needs to be directly positioned on the gearbox cover conveying system 1 (tooling fixture 9), the linkage clamp 14 cannot touch the matching part at the lower end of the gearbox cover 3, so as to avoid blocking this part when the linkage clamp 14 is clamped, so that the gearbox cover 3 cannot be positioned and placed on the mold or component. Therefore, the height of the cover positioning step 15 of this embodiment from the end of the linkage clamp 14 is preferably less than or equal to the height of the gearbox cover 3, so as to reduce the influence of the linkage clamp 14 on the subsequent processes of the gearbox cover 3. Specifically, the height of the cover body positioning step 15 from the end of the linkage clamping claw 14 is preferably less than the height of the gearbox cover body 3, so that after the linkage clamping claw 14 clamps the gearbox cover body 3, there is space at the lower end of the gearbox cover body 3, which is convenient for the next step of the process. Furthermore, the height of the cover body positioning step 15 from the end of the linkage clamping claw 14 is 0.5 to 0.8 times the height of the gearbox cover body 3, which provides stable clamping while leaving the maximum space margin.

[0092] Based on the above structure, before and after the gearbox cover 3 is grasped, due to its low height and thin circumferential thickness, the gearbox cover 3 cannot provide a large grasping area, nor can it withstand the large circumferential grasping force of the linkage clamp 14, which causes the gearbox cover 3 to fall off very easily.

[0093] In order to solve the problem that the gearbox cover 3 is easy to fall, the linkage clamp 14 of this embodiment is also provided with a cover anti-slip structure located below the cover positioning step 15, which is used to prevent the gearbox cover 3 from falling from the linkage clamp 14 during grabbing and discharging.

[0094] like Fig.10 , Fig.11As shown in the figure, as the first specific implementation of the anti-skid structure of the cover body, the anti-skid structure of the cover body is a cover body locking step 20 formed by the inner side of the end of the linkage clamping claw 14 protruding outward, and correspondingly, the gearbox cover body 3 is provided with an annular groove 21 that matches the cover body locking step 20. The cover body locking step 20 is also a horizontal step-shaped structure formed by the inner side of the linkage clamping claw 14 protruding outward, which can completely form a concave-convex plug-in match with the annular groove 21 to achieve matching, and then when grabbing, the cover body positioning step 15 will horizontally align and position the gearbox cover body 20, and then further position it through the matching of the cover body locking step 20 and the annular groove 21, and provide support forces in the circumferential and vertical directions to prevent the gearbox cover body 3 from falling, and ensure the accurate positioning and stable discharging of the gearbox cover body 3 when grabbing and discharging.

[0095] In order to ensure that the cover body locking step 20 and the annular groove 21 are normally matched, the protruding height of the cover body positioning step 15 is greater than the protruding height of the cover body locking step 20. When grasping, in order to prevent the cover body locking step 20 from affecting the positioning effect of the cover body positioning step 15, the protruding height of the cover body positioning step 15 should be greater than the protruding height of the cover body locking step 20, so that the gearbox cover 3 is first positioned by the cover body positioning step 15 for horizontality, and then matched with the cover body locking step 20, realizing a structure of positioning first and then matching, and improving the accuracy and precision of grasping the gearbox cover 3.

[0096] In order to further improve the stability of the gearbox cover 3 after being grasped, a groove is formed between the cover positioning step 15 and the cover locking step 20, and the bottom surface of the groove is an arc surface that fits the peripheral surface of the gearbox cover. After the cover locking step 20 is matched with the annular groove 21, the peripheral surface of the gearbox cover 3 fits tightly with the arc surface, so that the gearbox cover 3 can be stably clamped.

[0097] The anti-skid structure of the cover in the first specific implementation requires the opening of an annular groove 21 on the gearbox cover 3, which may affect the overall structural strength of the gearbox cover 3 and increase the difficulty of processing. Therefore, this embodiment provides a second specific implementation of the anti-skid structure of the cover.

[0098] like Fig.12 , Fig.13 and Fig.14As shown in the figure, as the second specific embodiment of the anti-skid structure of the cover body, the anti-skid structure of the cover body is an elastic belt 22 that is always in a stretched state. The elastic belt 22 sequentially passes through several of the linkage clamps 14 and is connected end to end to form a closed loop. The elastic belt 22 is always in a stretched state, so that it is in an elastic stretched state when the linkage clamps 14 are opened or retracted. When the linkage clamps 14 radially translate to grab the gearbox cover body 3, the elastic belt 22 forms a circular limit ring that is tightened on the peripheral surface of the gearbox cover body 3, so that the gearbox cover body 3 is clamped between the linkage clamps 14 under the action of elastic force, which can prevent the gearbox cover body 3 from falling. When the linkage clamps are retracted, the elastic belt 22 will contact the gearbox cover body 3 earlier than the cover body positioning step 15, so as to pre-position and align the gearbox cover body 3 and preliminarily fix it, ensuring that the gearbox cover body 3 can be stably inserted between the cover body positioning step 15 and the linkage clamps 14, and the purpose of auxiliary positioning is achieved. Moreover, this method does not need to change the structure of the gearbox cover body 3, and has good protection for the gearbox cover body 3. Specifically, the elastic band 22 is an elastic and flexible member, such as an elastic band, an elastic cord, etc.

[0099] As a specific structure for installing the elastic band 22, a plurality of linkage jaws 14 are provided with through slots 23, and the elastic band 22 is located in the through slots 23. The elastic band 22 is connected to the plurality of linkage jaws 14 through the through slots 23, so that the height is controllable during use, the positioning is accurate, and the loading and unloading is also extremely convenient.

[0100] It should be noted that the ends of the elastic band 22 can be connected by bonding, buckling, etc. In order to avoid uneven thickness of the connection affecting positioning, the connection can be rotated to be hidden in the through groove 23.

[0101] The lower gear assembly system 5 is mainly used to assemble the lower gears on the gearbox cover 3 in sequence.

[0102] like Fig.15 As shown, the lower gear assembly system 5 includes at least a gear conveying module 24 and a gear assembly module 25, wherein the gear conveying module 24 is mainly used to adjust the gear to a horizontal state so that it can meet the requirements of conveying or grabbing, and to convey the gear to the grabbing position A so that the gear can be accurately grabbed, and the gear assembly module 25 is mainly used to move to the grabbing position A to grab the gear and assemble the grabbed gear onto the gear shaft 2, thereby realizing automatic grabbing and assembly of the gear, thereby completing the assembly of the lower gear after multiple actions.

[0103] like Fig.16 , Fig.17As shown, as a feasible structure, the gear conveying module 24 includes a gear vibrating feeding tray 26, the discharge end of the gear vibrating feeding tray 26 is connected to a gear horizontal conveying platform 27, the outlet end of the gear horizontal conveying platform 27 is connected to a positioning channel 29 on a gear positioning platform 28, and the end of the positioning channel 29 forms a grabbing position A. The gear vibrating feeding tray 26 conveys the gears to the discharge end in sequence through vibration and rotation, and automatically corrects the position under the action of the gear horizontal conveying platform 27, adjusts the gears to a horizontal state for conveyance, and keeps them in a sequential horizontal position under the action of the positioning channel 29, thereby realizing automatic adjustment and conveyance of the gears.

[0104] Specifically, the gear vibrating feeding tray 26 mainly includes a vibrating rotating disk 30 at the bottom and a conveying track 31 connected to the vibrating rotating disk 30. A number of gears are placed on the vibrating rotating disk 30. The gears are conveyed to the conveying track 31 under the action of the vibrating rotating disk 30. The conveying track 31 spirally rises and the width changes from large to small, so that the gears can be conveyed one by one during the conveying process to avoid overlapping of gears and complete the orderly feeding of gears. When the gear vibrating feeding tray 26 is used specifically, an existing vibrating feeding tray can be selected, such as the XHS-1122 vibrating feeding tray of Xinghuasheng. Further, in order to improve the conveying efficiency, a plurality of conveying tracks 31 can be set, so that multiple gears can be conveyed at the same time, so as to realize the grabbing of multiple gears in the lower layer. Specifically, a plurality of gear vibrating feeding trays 26 can be set so that different gear vibrating feeding trays 26 convey lower gears of different specifications and sizes.

[0105] The gear horizontal conveyor platform 27 includes a conveyor block with a concave cross-section. The discharge end of the conveyor track 31 faces the concave structure of the conveyor block. When the gear is conveyed to the conveyor block, the gear is located at the upper end of the conveyor block, and the shoulder in the middle of the gear is limited to the middle opening of the concave structure, thereby automatically correcting the gear to a horizontal position. After correction, the gears can be squeezed and pushed against each other to be conveyed along the middle opening direction of the concave structure.

[0106] The gear positioning platform 28 is a positioning structure with a positioning channel 29 on the top, and the positioning channel 29 is docked with the end of the conveying block to position the positioning channel 29 and convey it in sequence. Specifically, the positioning channel 29 can be a horizontal conveying channel with an opening at the upper end, and the gear can be placed horizontally on the horizontal conveying channel, and the shoulder can be extended through the opening for positioning. When the gear is a double gear or has shoulders on both sides, a groove can be provided at the lower end of the horizontal conveying channel corresponding to the opening to position the double gear or shoulder. In order to ensure accurate positioning of the gear, the gear positioning platform 28 is also provided with a stopper 32 at the end of the positioning channel 29. The stopper 32 and the gear positioning platform 28 form a grabbing position A connected to the positioning channel 29. The stopper 32 can be provided with pressure sensors, infrared sensors and other detection equipment to detect whether the gear has reached the grabbing position A, thereby ensuring the effectiveness of the gear grabbing. Furthermore, multiple positioning channels 29 can also be provided to match one to one with the structure of multiple conveying tracks 31 in some embodiments.

[0107] like Fig.18 As shown, as a feasible structure, the gear assembly module 25 includes a first motion component 33 and a gear assembly component 34 connected to the first motion component 33. The first motion component 33 is mainly used to drive the gear assembly component 34 to move, so that the gear assembly component 34 can grasp and assemble the gear. The gear assembly component 34 is mainly used to grasp the gear from the grasping position A, and move to the gear assembly position under the action of the first motion component 33, and automatically assemble the gear to the gear shaft 2.

[0108] The first motion component 33 serves as a driving structure for driving the gear assembly component 34 to move. It can at least realize the reciprocating motion of the gear assembly component 34 between the grabbing position A and the gear assembly position. It can be realized by using existing motion mechanisms, such as robots, mechanical arms, linear modules, etc.

[0109] like Fig.19As shown, the first motion component 33 may include a driving platform 35, a rotating arm 36 rotatably connected to the driving platform 35, and a driving member 37 rotatably connected to the rotating arm 36, wherein a rotating lifting member 38 is arranged on the driving member 37, and the gear assembly component 34 is arranged at the lower part of the rotating lifting member 38. When the first motion component 33 is used, the driving platform 35 can drive the rotating arm 36 to rotate, and the driving member 37 on the rotating arm 36 drives the rotating lifting member 38 to rotate and lift, thereby driving the gear assembly component 34 away from or close to the grabbing position A through lifting, and the gear assembly component 34 can be realized when it is close to the grabbing position A. When it is necessary to grab multiple gears, the gear assembly component 34 can also be rotated by rotating to grab multiple gears using different grabbing positions. Further, the driving member 37 can also be driven by itself to rotate around the connection of the rotating arm 36 to expand the motion range of the first motion component 33, so as to realize the grabbing of the gears and the transportation and assembly of the gears after the grabbing. Furthermore, the rotating lifting member 38 may be a threaded lifting rod, which may be threadedly connected to the driving member 37 to be driven to rotate and lift by the thread.

[0110] like Fig. 20 As shown, the gear assembly component 34 includes a mounting member 39 connected to the first motion component 33, at least one reciprocating member 40 connected to the mounting member 39, a mounting plate 41 connected to the reciprocating member 40, and a gear suction and discharge head 42 connected to the mounting plate 41. When in use, the reciprocating member 40 drives the mounting plate 41 and the gear suction and discharge head 42 to reciprocate, and the gear suction and discharge head 42 can grasp and assemble the gear when it reciprocates.

[0111] Specifically, the mounting member 39 is used to connect the rotating lifting member 38 to achieve the matching connection of the overall structure of the gear assembly component 34. As one of the ways, the mounting member 39 can be provided with a connecting portion 43 connected to the rotating lifting member 38, so that the rotating lifting member 38 drives the gear to move to the gear grabbing position or the gear assembly position (the position of the gear shaft 2), completes the gear grabbing and realizes the automatic transportation and assembly of the gear.

[0112] Furthermore, the mounting member 39 as a connecting structure can be any structure, such as a columnar structure, a plate structure, a polygonal structure, etc., as long as it can be installed with the rotating lifting member 38 and the reciprocating member 40. However, for the convenience of control and installation, the mounting member 39 is preferably a regular or symmetrical structure. Specifically, the mounting member 39 can be a polygonal plate structure, such as a regular triangle, a regular quadrilateral, a regular pentagon, etc. As one of the preferred structures, the mounting member 39 can be a horizontally arranged regular quadrilateral structure, and then each side thereof can be used to install the reciprocating member 40, and the side surface can be used to connect with the rotating lifting member 38 to achieve staggered installation, and the installation position gap and weight can be controlled by adjusting the length and thickness, thereby optimizing the structure and weight of the lower gear assembly system 5.

[0113] The reciprocating member 40 is connected to the mounting member 39 as a motion actuator, and is mainly used to drive the gear suction and discharge head 42 to reciprocate in its direction of motion, thereby realizing the grabbing or putting down of the gear during the reciprocating process. The number of reciprocating members 40 can be set to at least one according to the installation requirements and the installation space of the mounting member 39, or the corresponding number of reciprocating members 40 can be selected according to the number of lower gears, so that multiple gear suction and discharge heads 42 can be installed at one time to simplify the gear installation time. As an optimized choice, two or three reciprocating members 40 can be set, and can be installed on the mounting member 39 in a circumferentially uniform distribution manner, so that multiple gears can be taken and placed during use, and the uniform distribution also facilitates better control of the gear position. It should be noted that the connection method between the reciprocating member 40 and the mounting member 39 can be a fixed connection or an integral molding, which is convenient for processing; it can also be a detachable split structure, such as a snap connection, a buckle connection, a bolt connection, etc., to facilitate the loading and unloading and replacement of the reciprocating member 40.

[0114] As a specific structure of a reciprocating member 40, the reciprocating member 40 can be an upper and lower cylinder, and the mounting plate 41 is connected to the cylinder slide of the upper and lower cylinders. The upper and lower cylinders have the characteristics of stable operation, and the movement stroke of the cylinder slide can be set according to the gear position, and then the gear suction and release head 42 can be driven by the cylinder slide to make up and down reciprocating movements within the set stroke range, and the corresponding gear can be grabbed or put down during the movement, and after the stroke control, it can also avoid damage to the gear caused by excess stroke or affect the gear picking and placing accuracy. Furthermore, an up and down speed regulating valve 44 can be set on the upper and lower cylinders to adjust the up and down speeds.

[0115] like Fig.21 , Fig. 22 and Fig.23 As shown, the mounting plate 41 serves as an intermediate connecting member between the reciprocating member 40 and the gear suction and discharge head 42 , and is mainly used to realize the connection between the reciprocating member 40 and the gear suction and discharge head 42 .

[0116] The shape of the mounting plate 41 can be designed as required, and the mounting plate 41 can be set to a trapezoidal structure, with its vertical end being used to mount the gear suction and discharge head 42 and its horizontal end being used to connect with the reciprocating member 40, so as to achieve a staggered connection and allow the gear suction and discharge head 42 to move as much as possible. Specifically, a corresponding connection hole 45 can be set on the horizontal end of the mounting plate 41, which is used to cooperate with the reciprocating member 40 through a movable connection (such as a bolt, a screw, a pin, etc.).

[0117] As the core structure of the gear grabbing system, the gear suction and placement head 42 is mainly used for picking up and placing gears to achieve gear grabbing and assembly.

[0118] like Fig.24 , Fig.25 As shown, the gear suction and discharge head 42 includes a main body 46 which is sealed and connected to the mounting plate 41 at one end, and an annular boss 47 is provided at the other end of the main body 46. An adsorption chamber 48 is formed inside the annular boss 47. A gear shaft hole positioning member 49 is provided at the bottom of the adsorption chamber 48. The main body 46 is also provided with an air duct 50 connected to the adsorption chamber 48.

[0119] The gear suction and discharge head 42 is mainly used for suction, grabbing and discharging of gears. When in use, one end of the body 46, that is, the end away from the annular boss 47, is sealed and connected to the mounting plate 41. After the connection, the air channel 50 of the gear suction and discharge head 42 can be connected to the external air source system. When sucking materials, the external air source system sucks air to generate negative pressure in the adsorption chamber 48, thereby adsorbing the gear located below the adsorption chamber 48. After the gear is adsorbed, the gear shaft hole positioning member 49 is matched and guided with the shaft hole of the gear to automatically position the gear. When the gear is held During continued adsorption, the end face of the gear fits against the end face of the annular boss 47, and forms a tight fit with the end face of the annular boss 47 under the action of negative pressure suction, so that the end face of the gear forms a surface seal with the end face of the annular boss 47, and the gear is stably adsorbed on the end face of the annular boss 47, which means that the gear suction and grabbing is completed. When the material needs to be discharged and assembled, the negative pressure is released and air is blown through the air source system. Under the blowing of gas, the gear can fall off to the gear shaft 2 where the gear needs to be installed under the guidance of the gear shaft hole locating piece 49 to complete the installation, thereby realizing automatic assembly of the gear.

[0120] In order to ensure the connection between the air passage 50 and the external air source system, a gas distribution hole 51 may be provided on the above-mentioned mounting plate 41, and the gas distribution hole 51 and the air passage 50 are connected to each other, so that the external air source system can be connected through the gas distribution hole 51, simplifying the structure of the air passage 50. Furthermore, a quick connection joint sealedly connected to the inlet end of the gas distribution hole 51 may be provided on the mounting plate 41, and then the quick connection joint can be used to realize the quick assembly and disassembly with the external air source system.

[0121] Furthermore, the body 46 serves as the main structure of the gear suction and discharge head 42, and mainly serves as a carrier of the annular boss 47, the adsorption chamber 48, the gear shaft hole positioning member 49 and the air duct 50. The body 46 can be made of metal or non-metal hard materials that can meet the strength and wear resistance requirements. Furthermore, in order to facilitate processing and assembly, the body 46 as a whole can be designed into a regular structure, such as a columnar, axial, polygonal, etc. Specifically, the body 46 can be made into a columnar shape, which is also convenient for positioning the processing position of the annular boss 47, the adsorption chamber 48, the gear shaft hole positioning member 49 and the air duct 50.

[0122] The annular boss 47 is mainly used to form a seal with the gear end face and provide conditions for the adsorption chamber 48 to generate negative pressure. In order to ensure that the end face of the annular boss 47 forms a seal with the gear end face, it is best to be a smooth plane with low surface roughness. The inner wall diameter of the annular boss 47 should be smaller than the diameter of the gear tooth root circle to ensure that the end face of the annular boss 47 can be completely covered by the gear end face to form a seal. Specifically, the annular boss 47 can be formed by an annular outward protrusion at one end of the body 46, or it can be an annular edge formed by an inward depression in the middle of one end of the body 46.

[0123] The adsorption chamber 48 is used to generate a vacuum adsorption space to provide a larger adsorption force to adsorb the gear. The adsorption chamber 48 can be formed by a cavity enclosed by the annular boss 47, or it can be formed by a concave middle portion of one end of the body 46. Specifically, the cavity wall of the adsorption chamber 48 can be designed with a contour profile according to the profile of the gear end face to ensure that the adsorption chamber 48 can be completely sealed and adsorbed on the gear end face, that is, to ensure that the adsorption chamber 48 can be completely covered by the gear end face.

[0124] The gear shaft hole positioning member 49 is used to cooperate with the gear shaft hole during the process of the gear being adsorbed to the end face of the annular boss 47, so as to locate and find the position of the gear and control the clamping position of the gear after adsorption. The gear shaft hole positioning member 49 can be integrally formed with the main body 46, or it can be a separate structure connected to the main body 46. The shape of the gear shaft hole positioning member 49 can be a columnar or polygonal structure, etc., as long as it can achieve positioning in cooperation with the gear shaft hole. However, in order to improve the positioning accuracy, the gear shaft hole positioning member 49 is preferably set as a long cylindrical structure, such as a positioning column or a positioning pin. Specifically, the gear shaft hole positioning member 49 is a cylinder with a diameter equal to that of the gear shaft hole, so as to accurately cooperate with the gear shaft hole and further reduce the positioning error. Furthermore, in order to ensure that the gear shaft hole positioning member 49 and the gear shaft hole can be better matched and to avoid the failure of the gear clamping caused by the inability to match the two, the gear shaft hole positioning member 49 is located at the end of the adsorption chamber 48 to form a conical tip, so that when matching with the gear shaft hole, the conical tip can better guide the gear position and ensure the matching of the gear shaft hole positioning member 49 and the gear shaft hole, thereby playing a role in precise positioning and guiding, and improving the success rate and accuracy of gear clamping.

[0125] During use, when there are multiple models of gears, the apertures of the gear shaft holes will vary in size. Therefore, when dealing with gears with different shaft hole diameters, in order to better position the gears, the gear shaft hole positioning member 49 is preferably set to a cylindrical structure, and the diameter is preferably the same as the gear shaft hole, and the gear shaft hole positioning member 49 is preferably a detachable structure, so that the gear shaft hole positioning member 49 can be replaced with a size that matches the shaft hole of the corresponding gear, thereby adapting to the precise positioning and grasping of more models of gears.

[0126] Based on this, see Fig.26This embodiment provides a detachable structure of a gear shaft hole positioning member 49, which is specifically as follows: the gear shaft hole positioning member 49 radially penetrates the main body 46, one end of the gear shaft hole positioning member 49 is located in the adsorption chamber 48, and the other end of the gear shaft hole positioning member 49 forms a limit head 52, and the other end of the main body 46 is provided with a limit groove 53, and the limit head 52 is arranged in the limit groove 53. The gear shaft hole locating member 49 passes through the main body 46, thereby forming a split assembly structure with the main body 46. When necessary, the gear shaft hole locating member 49 can be removed and replaced as needed. At the same time, in order to ensure the position of the gear shaft hole locating member 49, a limiting head 52 is also formed at the other end of the gear shaft hole locating member 49, that is, the end away from the adsorption chamber 48. The limiting head 52 cooperates with the limiting groove 53 to position the gear shaft hole locating member 49 in the main body 46. Not only can the limiting head 52 be used to axially position the gear shaft hole locating member 49, it is only necessary to clamp the limiting head 52 during installation. At the same time, the gear shaft hole locating member 49 can be positioned in the main body 46 through the limiting head 52, and it is ensured that it will not tilt after passing through the main body 46, so as to avoid the gear shaft hole locating member 49 shaking or tilting due to the diameter of the gear shaft hole locating member 49 being smaller than the diameter of the penetration point of the main body 46, thereby ensuring the installation accuracy of the gear shaft hole locating member 49 to an excellent extent.

[0127] The air channel 50 is mainly used as an air flow channel to connect the adsorption chamber 48 with the external air source system. The air channel 50 can form a straight, curved or multi-segment linear structure according to the design of the external air source system, and its cross-sectional size, shape or quantity can also be reasonably selected according to the air flow velocity, flow rate, etc., which will not be repeated here. Specifically, there are at least two air channels 50, and at least two of the air channels 50 are evenly distributed in the body 46 with the gear shaft hole positioning member 49 as the axis, so that when negative pressure or blowing is generated, the air channel 50 can evenly inhale or blow air, so that the gas flow in the adsorption chamber 48 is more uniform and symmetrical, and no turbulence will be generated, so that the gear can be grasped or blown out more smoothly and accurately, improving the positioning accuracy and stability of the gear grasping and assembly. Specifically, there are two air channels 50. Furthermore, the cross section of the air channel 50 is fan-shaped, and the fan-shaped center of the two air channels 50 is located on the axis of the gear shaft hole positioning member 49.

[0128] When there are two or more air channels 50, in order to ensure that the air flow velocity and flow rate of each air channel can be kept consistent as much as possible, so that the gear can be clamped more evenly, ensure sealing, and prevent the gear from being clamped ineffectively or falling due to uneven force, one end of the body 46, that is, the middle part of the end away from the adsorption chamber 48, protrudes outward to form a shaft 54, and the air channel 50 runs through the end of the body 46 away from the adsorption chamber 48 and forms an air channel air inlet groove 55 on the shaft 54. When the gear grabbing system is connected to the external air source system, in order to ensure that the flow conditions of the air flow in each air channel 50 are consistent, so as to ensure uniform adsorption force on the gear and improve the gear grabbing accuracy, the present embodiment is provided with a shaft 54, and a number of air channel air inlet grooves 55 equal to and continuous with the number of air channels 50 are provided on the shaft 54, and the air flow is diverted by the shaft 54 ​​when passing through it, and then enters the air channel 50 under the action of the air channel air inlet groove 55, thereby maximizing the guarantee that the flow conditions of the air flow in each air channel 50 are basically the same, so as to achieve the purpose of uniform adsorption of the gear.

[0129] like Fig. 27 As shown, in actual use, the end faces of some gears are provided with shaft sleeves. In order to improve the positioning accuracy with the shaft sleeves, the body 46 is further provided with a gear shaft sleeve positioning groove 56 in the middle of the cavity bottom of the adsorption cavity 48, and the gear shaft hole positioning member 49 is coaxially arranged in the gear shaft sleeve positioning groove 56 and extends into the adsorption cavity 48. Therefore, after the gear is clamped, the shaft sleeve of the gear can be completely positioned in the gear shaft sleeve positioning groove 56, further improving the overall grasping accuracy of the gear, and can further ensure the blowing direction of the gear when the gear is blown away, thereby improving the assembly accuracy of the gear.

[0130] like Fig.28 As shown, based on the above gear suction and discharge head 42 structure, the mounting plate 41 is further provided with a mounting hole 57, one end of the shaft body 54 is provided on the main body 46 and is sealed and connected in the mounting hole 57, and a gas distribution cavity 58 is formed between the bottom of the mounting hole 57 and the shaft body 54, and the gas distribution cavity 58 connects the gas distribution hole 51 with the air channel 50. The gas distribution hole 51, the gas distribution cavity 58 and the air channel 50 are connected in sequence to form an overall air flow channel structure. After the air flow passes through the gas distribution cavity 58, under the joint action of the shaft body 54, the air flow can be redistributed, so that the gas is dispersed more evenly, and then it can be ensured that when there are multiple air channels, the air flow in each air channel is uniform, further improving the accuracy and stability of gear suction, and the gear can be stably clamped after suction without falling. Furthermore, a screw mounting hole 59 can be provided at the vertical end of the mounting plate 41, and the screw mounting hole 59 is connected to the mounting hole 57 and is axially perpendicular to the main body 46, so that a screw can be installed in the screw mounting hole 59 to axially fix the main body 46 and ensure the stability and reliability of the sealed connection of the main body 46.

[0131] Finally, in order to ensure the sealed connection between the mounting plate 41 and the body 46, a sealing ring groove 60 is further provided on the outer side of the body 46 in the mounting hole 57, and a sealing ring can be provided in the sealing ring groove 60, so that when the body 46 is connected to the mounting plate 41, the sealing ring in the sealing ring groove 60 can be squeezed and deformed, thereby sealing the gap between the gas distribution hole 51 and the outer wall of the body 46. It should be noted that the sealing ring groove 60 can also be provided in the mounting hole 57, and the sealing effect can also be achieved, but in this embodiment, the sealing ring groove 60 is provided outside the body 46, and the sealing ring can be easily filled, which simplifies the sealing ring filling process and difficulty compared to providing the sealing ring in the mounting hole 57.

[0132] like Fig.29 As shown, as an upper gear assembly system 6 with the same structure, its structure, implementation mode, etc. can all refer to the implementation mode of the above-mentioned lower gear assembly system 5, and this embodiment will not be repeated.

[0133] like Fig.30 As shown, it should be noted that a first self-resetting deformable member 61 is also installed on the mounting member of the upper gear assembly system 6. The first self-resetting deformable member 61 can move to the upper end surface of the gearbox cover body 3 and press downward along with the moving component of the upper gear assembly system 6. Based on the downward pressure of the first self-resetting deformable member 61, the assembled gears on the gearbox cover body 3 are driven to engage with each other.

[0134] After the gearbox cover 3 is transported to the upper gear assembly system 6 process and the upper gear assembly is completed, the rotating lifting member 38 can drive the mounting member of the upper gear assembly system 6 to rotate, and rotate the first self-resetting deformable member 61 to the top of the upper gear. The rotating lifting member 38 or the reciprocating member 40 then drives the first self-resetting deformable member 61 to continue to move downward and contact and squeeze the upper or part of the lower gear. Based on the downward pressure of the first self-resetting deformable member 61 or its own self-resetting deforming force, the upper or part of the lower gear is driven to move axially along their respective gear shafts, thereby compensating for the dimensional error of the upper and lower gears that are not installed in place during assembly, so that each gear can be installed in a suitable position on the gear shaft 2, thereby improving the assembly accuracy of the gear shaft 2 and the gears. Secondly, the gears are moved along their respective gear shafts. When the shaft 2 translates axially, it moves synchronously under the pressure of the first self-resetting deformation member 61 or its own self-resetting deformation force. The movement can be a slight shake, floating, tilt or rotation. When the gear moves, the teeth and tooth grooves between the gears can better form a plug-in pair, and then achieve a meshing effect with each other, ensuring the meshing position and accuracy of the gears in the gear set, playing a good gear meshing auxiliary effect, and improving the gear assembly accuracy. The first self-resetting deformation member 61 has a self-resetting deformation effect. When squeezing the gear, it can be deformed to reduce the effect on the rigidity of the gear, and after deformation, it can increase the contact area with the gear, so that the extrusion force or self-resetting deformation force can be evenly dispersed to the gear contact surface, avoiding local extrusion and causing gear deformation, and further ensuring the integrity of the gear.

[0135] As a preferred structure, the first self-resetting deformation member 61 can be selected from a self-resetting soft elastic member. Through its soft characteristics, when it contacts and deforms with the gear, it can avoid being rigidly squeezed with the gear and damaging the gear, thereby protecting the integrity of the gear extremely well. Moreover, its deformation is also a flexible deformation, and the deformation force will not increase dramatically due to the increase in deformation amount, thereby avoiding excessive deformation force and excessive squeezing of the gear to damage the gear. Moreover, due to its soft characteristics, after deformation, it can disperse the downward pressure, gravity or deformation force to the entire contact surface with the gear, thereby dispersing local stress, avoiding deformation and distortion due to stress concentration, and further protecting the gear.

[0136] Specifically, the self-resetting soft elastic part is a brush, and the bristles of the brush are deformed after contacting the gears. Since the brush head of the brush is composed of a number of tiny bristles, after contacting the gears, it can perform local adaptive deformation corresponding to the gear structure and gear position, so that it can contact different gears and produce different deformation directions and deformation amounts. It can not only drive the movement of the corresponding gears well, so that different gears produce different movements or displacements, and improve the probability of meshing, but also can minimize the damage and extrusion to the gears, and extremely protect the gear structure.

[0137] To sum up, when the lower gear assembly system 5 is in use, the driving platform 35 drives the rotating arm 36 to rotate, and the rotating arm 36 drives the driving member 37 to rotate. The driving member 37 itself rotates around the connection with the rotating arm 36. When it rotates to above the grabbing position A, the rotating lifting member 38 drives the gear assembly component 34 to descend. After descending to a certain position away from the grabbing position A, the gear assembly component 34 starts to move, and the reciprocating member 40 thereon drives the gear suction and release head 42 to move down to the grabbing position A, and the interval with the gear on the grabbing position A is 0~0.5mm. At this time, the external air source system draws air, and a negative pressure is generated in the adsorption chamber 48 through the air distribution hole 51 and the air duct 50, and then the gear is adsorbed onto the annular boss 47. During the continuous adsorption process, the gear shaft hole positioning member 49 cooperates with the shaft hole of the gear to align and position the gear, and the side surface of the gear is sealed and fitted with the annular boss 47 to complete the gear grabbing. In this process, if multiple gears need to be grabbed, multiple reciprocating parts 40 and gear suction and discharge heads 42 can be set, and the rotating lifting part 38 drives the gear assembly component 34 to rotate, and the gear suction and discharge heads 42 thereon are rotated to different gear grabbing positions A for grabbing, so that multiple gears can be grabbed;

[0138] After grabbing, the external air source system continues to pump air, the reciprocating member 40 moves up and resets, the rotating lifting member 38 rises and resets, the rotating arm 36 and the driving member 20 drive the gear suction and discharge head 42 to rotate to the gear assembly station, the rotating lifting member 38 moves down to the position above the gear shaft 2, and the reciprocating member 40 drives the gear suction and discharge head 42 to move down to the position of the gear shaft 2 and the gear shaft is 0~0.5mm apart. At this time, the gear shaft hole positioning member 49 is coaxial with the gear shaft 2, and the external air source system is controlled to stop pumping air and spray to the gas distribution hole 33. At this time, the gas sprays the gear through the adsorption chamber 48. Due to the guiding effect of the gear shaft hole positioning member 49, the gear can be paired with the coaxial gear shaft according to the guiding direction and assembled to the gear shaft to complete the gear assembly. When multiple gears need to be installed, the grabbing method of the above-mentioned multiple gears can be used to find the position of the gear shaft to be installed, and the gear can be pushed by the jet to complete the assembly.

[0139] When the assembly is completed, the first self-resetting deformable member 61 of the upper gear assembly system 6 is controlled to appropriately press down the installed gear to assist the axial movement of the gear, thereby compensating for the defects of inadequate assembly position and incomplete gear meshing, and ensuring the gear assembly accuracy.

[0140] like Figure 1 , Fig.31 As shown, in order to ensure the assembly accuracy and continuity of the gears, the IoT smart gas meter electromechanical valve gearbox gear set assembly system of this embodiment also includes a gear shaft in place and height detection system 62 arranged between the gearbox cover feeding system 4 and the lower gear assembly system 5; the gear shaft in place and height detection system 62 includes a transverse cylinder 63, and the slide of the transverse cylinder 63 is provided with an upper and lower cylinder 64, and the slide of the upper and lower cylinders 64 is connected with a displacement sensor 65.

[0141] The gear shaft position and height detection system 62 is mainly used to detect whether the gear shaft 2 is installed on the gearbox cover 3, and to detect the gear shaft 2 fault by detecting the height of the gear shaft 2, such as whether the gear shaft length meets the standard, whether it is vertical (the inclined installation height cannot meet the standard), etc., to ensure the installation accuracy of subsequent gears. At the same time, the transverse cylinder 63 can also drive the displacement sensor 65 to move horizontally, thereby detecting the position or fault problems of multiple gear shafts 2.

[0142] During specific use, the transverse cylinder 63 and the upper and lower cylinders 64 drive the displacement sensor 65 to move horizontally and vertically as a whole, thereby driving the displacement sensor 65 to move to contact the upper end surface of the gear shaft 2. The height of the gear shaft 2 can be determined based on the vertical displacement at the time of contact, and the position and fault status of the gear shaft 2 can be detected. When multiple gear shafts 2 need to be detected at the same time, it is only necessary to move the position of the transverse cylinder 63 so that the displacement sensor 65 contacts the corresponding gear shaft 2.

[0143] like Figure 1 , Fig.32 As shown, in order to ensure that the gearbox gear sets 7 can be meshed or preliminarily meshed after assembly, the IoT smart gas meter electromechanical valve gearbox gear set assembly system of this embodiment also includes a first air blowing member 66 arranged between the lower gear assembly system 5 and the upper gear assembly system 6. The first air blowing member 66 is used for continuous or intermittent blowing to generate an airflow directed to one or more gears in the gearbox gear set 7, and the gears in the gearbox gear set 7 are driven to rotate and mesh based on the airflow.

[0144] During specific use, the airflow generated by the first air blowing member 66 serves as the driving force of the gearbox gear set 7, so that the flowing airflow drives one or more gears in the gearbox gear set 7 to rotate. During the rotation process, due to the airflow, the force between the gears and the gravity of the gears, the gears can not only rotate under the action of the airflow, but also be accompanied by slight floating, shaking and other movements. Based on the above movements, the teeth and tooth grooves of adjacent gears that need to be meshed are more easily engaged with each other, and then fully meshed, thereby achieving a good auxiliary meshing effect. Moreover, when floating and shaking, the gears will not continue to generate interaction forces with each other, which can reduce the rigid force between the gears, avoid the gears from being squeezed against each other and damaged, protect the gears, and ensure the integrity of the gears.

[0145] It should be noted that during continuous or intermittent blowing:

[0146] Continuous blowing means blowing continuously at a fixed flow rate; or blowing continuously at a fixed rate with the flow rate gradually increased or decreased.

[0147] First, continuous blowing at a fixed flow rate means that the first air blowing member 66 blows continuously and uninterruptedly at a fixed flow rate. This method can provide a continuous and stable airflow for the gearbox gear set 7, and the movement of the gears is also relatively stable, and the gears are more stable when meshing, with fast meshing speed and good effect. Further, the fixed flow rate can be 500~1000ml / min. Further, the fixed flow rate can be 500ml / min, 550ml / min, 600ml / min, 650ml / min, 700ml / min, 750ml / min, 800ml / min, 850ml / min, 900ml / min, 950ml / min, 1000ml / min. Specifically, the fixed flow rate is 750ml / min.

[0148] Secondly, continuously blowing air by gradually increasing or decreasing the flow rate at a fixed rate means that the first air blowing member 66 blows air by gradually increasing the blowing volume at a fixed rate; or the first air blowing member 66 blows air by gradually decreasing the blowing volume at a fixed rate.

[0149] Among them, the first air blowing member 66 gradually increases the blowing amount at a fixed rate for blowing, that is, the first air blowing member 66 blows from zero or an initial blowing amount, and gradually increases the blowing amount at a fixed rate until it increases to the maximum blowing amount and then stops or repeats. This method uses the method of gradually increasing the blowing amount to blow the gear until it cannot rotate, but can slightly shake or float, and then mesh the gear that is easy to mesh first, and then when the blowing amount increases and the gear starts to rotate, the rotation of the adjacent gear is realized by the rotation of the gear, and then the above actions are combined to realize the meshing of all gears. This method has a higher success rate in gear meshing, but it takes a long time.

[0150] The first air blowing member 66 gradually reduces the blowing amount at a fixed rate to blow air, that is, the first air blowing member 66 blows from an initial blowing amount, and gradually reduces the blowing amount at a fixed rate until it is reduced to the minimum blowing amount and then stops or repeats. This method first uses a large gas flow to drive the gears to mesh, which can achieve gear meshing in a large range or drive gears with large misalignment to mesh, and then gradually reduces the blowing amount, and then drives the gears to produce slight shaking or floating through the fluctuations caused by the gas reduction, and further drives all gears to mesh. This method is successful in gear meshing and short in time, but due to the large initial blowing amount at the beginning, it is very easy to damage the gears, causing gear damage.

[0151] The above fixed rate is a fixed value, which can be 50~300ml / min. Furthermore, the fixed rate can be 50ml / min, 100ml / min, 150ml / min, 200ml / min, 250ml / min, 300ml / min. Specifically, the fixed rate is 150ml / min. The maximum blowing volume is an upper limit of the blowing volume to avoid excessive extrusion or deformation of the gears due to excessive blowing volume. It is best not to exceed 1000ml / min; similarly, the minimum blowing volume is a lower limit of the blowing volume to avoid too small blowing volume to drive all gears to move and lose the auxiliary effect. The minimum blowing volume is preferably not less than 500ml / min.

[0152] Intermittent blowing means that the first air blowing member 66 continues to blow with a fixed time interval. The fixed time interval means that the first air blowing member 66 blows intermittently according to the fixed time as the blowing interval, and each blowing method can be the above-mentioned continuous blowing method. Further, the fixed time can be 0.5~2.5 seconds. Further, the fixed time can be 0.5 seconds, 1 second, 1.5 seconds, 2 seconds, 2.5 seconds. Specifically, the fixed time is 1.5 seconds.

[0153] Based on the above blowing methods, the first air blowing member 66 of this embodiment can reasonably use the above blowing methods or a combination of any methods to assist gear meshing.

[0154] The airflow directed to one or more gears in the gearbox gear set 7, that is, the blowing direction of the first air blowing member 66 can be: directed to one of the gears in the gearbox gear set 7, such as the tooth surface of the first or last gear. The airflow in this blowing direction is relatively concentrated, and all gears can be driven to move and further mesh based on the action of one of the gears in sequence, from the local to the whole and with order, the gear meshing is more complete and thorough, and the gear meshing degree is high. The first or last gear refers to the gear located in the first or last stage of the gearbox gear set 7, or according to the transmission mode, the first or last gear refers to the active transmission gear or output transmission gear in the gearbox gear set 7; the blowing direction can also be: directed to any number of gears in the gearbox gear set 7, such as the meshing position of any two gears that need to be meshed. This blowing method can drive the action of at least two gears at the same time, and then use the action of at least two gears to drive multiple gears to mesh at the same time, and the gear meshing is faster, but the gear meshing is not orderly, and it is easy to get stuck and unable to mesh, and the meshing effect is poor. Further, the blowing direction of the first air blowing member 66 is directed to the gear tooth surface of a gear in the gearbox gear set 7 or to the meshing position of any two gears in the gearbox gear set 7. Specifically, the blowing direction of the first air blowing member 66 is directed to the gear tooth surface on the inner side of the tooth groove of the first or last gear in the gearbox gear set 7.

[0155] Based on the above blowing directions, in actual application, any one method or a combination of the two methods can be selected to limit the blowing direction as needed.

[0156] In order to ensure the assembly accuracy and axial position of the gears in the gearbox gear set 7, the blowing direction of the first air blowing member 66 is preferably parallel to the side of the gears in the gearbox gear set 7, that is, the blowing direction is parallel to the side of any gear in the gearbox gear set 7 and has no angle, so that the airflow generated by the first air blowing member 66 is horizontally directed to the gears in the gearbox gear set 7, avoiding the airflow causing components in other directions to the gears in the gearbox gear set 7, causing the gears to move axially, get stuck with each other, etc., and avoiding affecting the assembly accuracy and meshing effect. It should be noted that the side of the gear refers to the side of the gear on both sides of the gear that is perpendicular to the central axis of the gear.

[0157] As the air blowing structure of this embodiment, the first air blowing member 66 preferably adopts a capillary tube for blowing to ensure that the blowing direction and speed can be maintained for a long time after the gas is blown out. Further, the capillary tube can be made of a gooseneck tube to facilitate the adjustment of the blowing direction.

[0158] In order to better achieve the blowing effect of the first air blowing member 66, the first air blowing member 66 of this embodiment is also connected to an air supply system with a flow control component. The air supply system (not shown in the figure) of this embodiment can continuously supply air to the first air blowing member 66, and control the flow rate, flow velocity, etc. of the supplied gas under the action of the flow control component. Specifically, the flow control component can be a flow valve, a flow velocity valve, a regulating valve, etc., and the air supply system can be an air pump, an air cylinder, an air bag, etc.

[0159] See also Fig.32 , Fig.33 The first air blowing member 66 of this embodiment further includes a lifting assembly 67, and the first air blowing member 66 is disposed on the lifting assembly 67. The lifting assembly 67 of this embodiment is used to drive the first air blowing member 66 to rise and fall, and then the height of the first air blowing member 66 can be adjusted as needed to meet the gear driving requirements.

[0160] Specifically, the lifting assembly 67 includes a bracket 68, a lifting block 69 connected to the bracket 68, and the first air blowing member 66 is arranged on the lifting block 69. The bracket 68 is used to fix and support the lifting block 69, and the lifting block 69 can be lifted and lowered along the bracket 68 to drive the first air blowing member 66 to lift and lower. Specifically, the bracket 68 is a support column, and the lifting block 69 is slidably arranged on the bracket 68, and the lifting block 69 is provided with a fixing member for fixing a position, such as a fixing screw, etc. During specific installation, the first air blowing member 66 can be connected to the lifting block 69 in a detachable manner, which is convenient for disassembly, replacement and position adjustment.

[0161] like Figure 1 , Fig.34 and Fig.35 As shown, the IoT smart gas meter electromechanical valve gearbox gear assembly system of this embodiment also includes a gear meshing detection system 70 arranged after the upper gear assembly system 6, and the gear meshing detection system 70 includes:

[0162] The second self-resetting deformable member 71 is used for contacting and deforming with the transmission gear set 7, and the internal gears of the transmission gear set 7 are driven to rotate and mesh based on the friction force generated by the contact between the two and / or the self-resetting deformation force generated by the deformation of the second self-resetting deformable member 71;

[0163] The second air blowing member 72 is used for blowing air to drive the internal gears of the gearbox gear set 7 to mesh and transmit through the flow of gas, and the blowing direction of the second air blowing member 72 is directed to the inner tooth surface of the tooth groove of any gear in the first or last stage of the gearbox gear set 7;

[0164] The second self-resetting deformation member 71 and the second air blowing member 72 are sequentially arranged along the conveying track direction of the gearbox gear set 7;

[0165] Also includes,

[0166] The detection member 73 is disposed behind the second self-resetting deformation member 71 or the second air blowing member 72 and is used to detect the number of rotating teeth of another gear in the first stage or the last stage of the gearbox gear set 7 .

[0167] The gear meshing detection system 70 is mainly used for the meshing detection of the gearbox gear set 7 after installation. It can detect the gear transmission condition based on the detection member 73, so as to screen out unqualified products with casting defects or assembly defects through detection. Before the detection of the detection member 73, based on the contact deformation of the second self-resetting deformation member 71, the gears inside the gearbox gear set 7 are assisted to rotate and mesh, which can avoid the problem of misdetection caused by incomplete gear meshing due to improper assembly. The second air blowing member 72 is used for contactless air blowing to drive the gear transmission inside the gearbox gear set 7, providing power for the meshing detection of the gearbox gear set 7, and further assisting the gear meshing during the blowing process to ensure that all gears are fully meshed, thereby ensuring stable and safe transmission drive while improving the gear meshing degree, and further improving the detection effect.

[0168] The second self-resetting deformable member 71 is mainly used for auxiliary meshing of the gears of the gearbox gear set 7 before the meshing test, to ensure that the gears that meet the requirements can be fully meshed to meet the test requirements, avoid false detection, and improve the success rate of the test. In actual use, the gearbox gear set 7 is transported on its conveying track, and the second self-resetting deformable member 71 is located on the conveying track of the gearbox gear set 7 and contacts it. Based on the friction force generated by the contact between the two, and / or the self-resetting deformation force generated by the second self-resetting deformable member 71 after the contact deformation, the gear on the gearbox gear set 7 that contacts the second self-resetting deformable member 71 is driven to produce a slight movement to achieve meshing.

[0169] Specifically, the specific structure and material selection of the second self-resetting deformable member 71 can refer to the first self-resetting deformable member 61. Since the first self-resetting deformable member 61 has been explained in detail above, the second self-resetting deformable member 71 can be implemented completely with reference to the first self-resetting deformable member 61, and will not be repeated in this article.

[0170] In order not to affect the conveying of the gearbox gear set 7, the second self-resetting deformable member 71 is vertically arranged, and its lower end can be deformed by contacting with one or more gears in the gearbox gear set 7. Then, on the conveying track of the gearbox gear set 7, only the lower end portion of the second self-resetting deformable member 71 is in contact with the gearbox gear set 7, thereby deforming by contacting with one or more gears in the gearbox gear set 7. After deformation, its deformation elastic force will generate at least one downward component force, and then when driving one or more gears in the gearbox gear set 7 to move, the gears will be subjected to a downward pressure, which will not cause the gears to fall off the gear shaft, and the assembly position of the gears can be maintained very well.

[0171] It should be noted that when the second self-resetting deformable member 71 contacts the gear inside the transmission gear set 7, it will also generate some resistance to cause the gear to rotate. However, since the gear structure is light and easy to damage, the resistance cannot be too large. Therefore, when this embodiment is used specifically, in order to avoid excessive resistance, the resistance of the second self-resetting deformable member 71 will generally be very small, which makes it possible for the resistance to fail to ensure stable, comprehensive and effective driving of the gear. Therefore, in order to ensure the effectiveness of gear driving, this embodiment considers using friction force or deformation force to drive the gear, so as to achieve a good meshing assisting effect on the basis of protecting the gear, but it does not rule out the possibility that the second self-resetting deformable member 71 can also drive the gear based on contact resistance.

[0172] The second air blowing member 72 serves as a power source structure for the transmission of the gear set 7. The second air blowing member 72 is used to blow air toward the inner tooth surface B of the tooth groove of any gear in the first or last stage gear in the gear set 7. The blowing drives the gas flow to drive the first or last stage gear to rotate, and then drives the meshing transmission of the internal gears of the entire gear set 7 through the meshing relationship, thereby realizing the transmission of the internal gears of the gear set 7 and providing a transmission basis for the meshing detection of the gear set 7.

[0173] Specifically, the second air blowing member 72 drives the gear meshing transmission inside the gearbox gear set 7 through the contactless air blowing principle. The gears will not be damaged by force due to squeezing or improper assembly or meshing, and the integrity of the gears can be well guaranteed. During the blowing process, the first-stage or last-stage gear will produce slight shaking or floating under the gas blowing. When shaking or floating, the adjacent gear teeth can be stuck in the tooth grooves of the adjacent gears. Based on this principle, all gears can be meshed under slight shaking, and all gears in the gearbox gear set 7 are assisted to fully mesh, thereby improving the detection success rate. In addition, due to the shaking, floating and no external force contact, the interaction force between the gears can be reduced while assisting the meshing, further reducing the extrusion damage between the gears due to improper meshing, protecting the gear structure, and continuous blowing of the air blowing member can also ensure stable transmission of the gears without affecting the detection results.

[0174] It should be noted that the gearbox gear set 7 is arranged on the gearbox cover 3, which has a supporting structure, and its internal gear is light in weight. It will not tilt or displace during the air blowing process and can rotate. Therefore, it is feasible to use the air blowing structure for air blowing transmission. Finally, it is further explained that the tooth surface on the inner side of the tooth groove refers to the tooth side surface on either side of the tooth groove on the gear.

[0175] In order to ensure the contactless transmission effect, the blowing port of the second air blowing member 72 of this embodiment is located above the wheel surface of the first or final gear, so that when the first or final gear is driven, the gas insulation part blown out by the second air blowing member 72 will flow along the wheel surface of the first or final gear, and no excess gas will be generated and blown to other gears, which can effectively avoid the transmission effect of the gas on other gears, ensure the normal transmission of all gears, ensure the transmission effect, improve the accuracy of the detection result, and the second air blowing member 72 does not contact the first or final gear, and will not affect its transmission and the overall transmission of the gearbox cover. It should be noted that the wheel surface of the first or final gear refers to the two side surfaces of the first or final gear that are perpendicular to the central axis.

[0176] Specifically, when the second air blowing member 72 is set, the blowing direction of the second air blowing member 72 is directed obliquely downward to the wheel surface of the first-stage or last-stage gear. When the second air blowing member 72 blows, in order to ensure that the first-stage or last-stage gear can be driven and reduce the large loss or excess gas generated when the second air blowing member 72 blows and affects the transmission of other gears, when the second air blowing member 72 is set, the blowing direction of the second air blowing member 72 is directed obliquely downward to the wheel surface of the first-stage or last-stage gear, that is, to ensure the rotation of the first-stage or last-stage gear, reduce the waste of gas, and control the transmission rate of the first-stage or last-stage gear by controlling the gas flow, so as to facilitate the adjustment of the transmission parameters required for the detection, and the blowing direction is directed obliquely downward to the wheel surface of the first-stage or last-stage gear, and a downward pressure can be provided to the first-stage or last-stage gear to prevent the gear from floating too much during the gas flow and falling off the shaft, thereby ensuring the assembly accuracy of the gear.

[0177] As a supplement, when the blowing direction of the second air blowing member 72 is directed obliquely downward toward the wheel surface of the first-stage or last-stage gear, the angle between the blowing direction and the wheel surface of the first-stage or last-stage gear is 3° to 20°. When the second air blowing member 72 blows air, if the angle between the blowing direction and the wheel surface of the first-stage or final-stage gear is too large, a large amount of gas will be lost, and the downward component force will be too large, affecting the transmission of the first-stage or final-stage gear, and causing the gas to scatter randomly under the action of the gear teeth, which may affect the uniformity of the transmission speed and the detection result. In addition, the driving force required for the first-stage or final-stage gear increases, further increasing the demand for gas volume per unit time and increasing the energy consumption of the second air blowing member 72. If the angle between the blowing direction and the wheel surface of the first-stage or final-stage gear is too small, most of the gas cannot contact the inner tooth surface of the tooth groove and is blown away, reducing the work efficiency and increasing the gas loss. Therefore, in actual use, the angle between the blowing direction and the wheel surface of the first-stage or final-stage gear is preferably 3°~20°, so as to ensure stable transmission of the first-stage or final-stage gear at the minimum energy consumption and reduce energy consumption. Further, the angle between the blowing direction and the wheel surface of the first or last gear can be 3°~5°, 5°~8°, 8°~12°, 12°~18°, 18°~21°, 21°~25°. Specifically, the angle between the blowing direction and the wheel surface of the first or last gear is 12°.

[0178] It should be noted that the shape, material, structure, etc. of the second air blowing member 72 can refer to the first air blowing member 66. Since the first air blowing member 66 has been described in detail above, the second air blowing member 72 can be implemented completely with reference to the first air blowing member 66, which will not be repeated in this article.

[0179] Continue reading Fig.34 The gear meshing detection system 70 also includes a lifting system 74, and the second self-resetting deformation member 71, the second air blowing member 72, and the detection member 73 are all arranged on the lifting system 74, so that the lifting system 74 can adjust the height of the three to adapt to the meshing detection of the gearbox gear set 7.

[0180] The detection member 73 is a lens optical fiber, which is vertically arranged and points to the gear teeth of the non-blown gear in the first or last stage. When the non-blown gear in the first or last stage rotates, the gear teeth rotate once, the detection path of the lens optical fiber is blocked by the gear teeth, and the frequency of the light in the lens optical fiber changes, which is recorded once, thereby realizing the detection of the number of rotating teeth. After the detection, the lens optical fiber is used to transmit data and the data can be analyzed by other data analysis equipment to obtain the detection result.

[0181] like Figure 1 , Fig.36 As shown, finally, the present IoT smart gas meter electromechanical valve gearbox gear assembly system is further provided with a discharge detection device 75 after the gear meshing detection system 70, which is used to detect whether the gearbox cover body 3 with the gear installed is in place, so as to remind the staff or cooperate with the discharge structure of the gearbox cover body 3 to complete the discharge of the gearbox cover body 3. Specifically, the discharge detection device 75 can be an infrared sensor or the like.

[0182] Based on the above IoT smart gas meter electromechanical valve gearbox gear assembly system, this embodiment also discloses a gas meter electromechanical valve gearbox gear assembly method 100, which includes the following steps:

[0183] 101. The gearbox cover body feeding system 4 grabs the gearbox cover body 3 and places the gearbox cover body 3 on the gearbox cover body conveying system 1;

[0184] 102. The gearbox cover conveying system 1 conveys the gearbox cover 3 to the position of the lower gear assembly system 5;

[0185] 103. The lower gear assembly system 5 grabs the gears and installs them on the gear shaft 2 in sequence, completing the installation of the lower gears;

[0186] 104. The upper gear assembly system 6 grabs the gears and installs them on the gear shaft 2 in sequence, completing the installation of the upper gears.

[0187] 105. After the lower gear and the upper gear are assembled, they mesh with each other, completing the assembly of the gear set 7 of the speed change gear box.

[0188] The gas meter electromechanical valve gearbox gear set assembly method 100 utilizes the gearbox cover body loading system 4 to grab the gearbox cover body 3 and transport it to the gearbox cover body conveying system 1, and utilizes the lower gear assembly system 5 and the upper gear assembly system 6 to assemble the lower gear and the upper gear respectively during the conveying process, thereby automatically completing the loading and assembly required for the gear installation, realizing the automated assembly of the gearbox gear set 7, reducing costs, and increasing assembly accuracy and efficiency.

[0189] In this method, the specific operation steps of steps 101 to 105 can refer to the relevant description in the above-mentioned IoT smart gas meter electromechanical valve gearbox gear set assembly system, and will not be repeated here.

[0190] Step 106 is also included after step 105. Step 106 specifically includes: the first self-resetting deformable member 61 moves to the upper end surface of the gearbox cover body 3 along with the moving component of the upper gear assembly system 6 and presses down, and the assembled gears on the gearbox cover body 3 are driven to mesh with each other based on the downward pressure of the first self-resetting deformable member 61.

[0191] Step 106 mainly utilizes the first self-resetting deformation member 61 to further position the installed gear axially and assist the installed gears to mesh with each other.

[0192] After step 106, step 107 is also included. Step 107 specifically includes: the first air blowing member 66 blows air continuously or intermittently to generate an airflow directed to one or more gears in the gearbox gear set 7, and the gears in the gearbox gear set 7 are driven to rotate and engage based on the airflow.

[0193] Step 107 mainly utilizes the first air blowing member 66 to blow air to generate airflow, and utilizes the airflow to drive the internal gears of the gearbox gear set 7 to rotate and mesh, further assisting the meshing effect of the installed gears and improving their meshing accuracy.

[0194] Finally, after step 107, step 108 is also included, and step 108 specifically includes:

[0195] 1081. The second self-resetting deformation member 71 is deformed by contacting with the internal gear of the gearbox gear set 7 during the conveying process of the gearbox gear set 7, driving the internal gear of the gearbox gear set 7 to rotate and complete the initial meshing;

[0196] 1082. Continue to convey the gearbox gear set 7 until it reaches the detection position and then stop conveying.

[0197] 1083. The second air blowing member 72 continues to blow air, and drives any gear in the first or last stage of the gearbox gear set 7 through the flow of gas.

[0198] 1081. Turn on the detection member 73 to detect the number of rotating teeth of another gear in the first stage or the last stage of the gearbox gear set 7 per unit time. Based on the detection result of the number of rotating teeth, determine whether the gearbox gear set 7 is engaged, and complete the detection.

[0199] Step 108 mainly utilizes the second self-resetting deformable member 71 and the second air blowing member 72 to further assist the transmission gear set 7 to complete the meshing, further improves the meshing accuracy of the internal gears of the transmission gear set 7, and continuously blows air through the second air blowing member 72 to provide a stable driving force to drive the transmission gear set 7 to rotate, thereby providing power support for the detection of the detection member 73.

[0200] Specifically, the specific operation steps of steps 1081~1082 can refer to the relevant description in the above-mentioned IoT smart gas meter electromechanical valve gearbox gear set assembly system, which will not be repeated here.

[0201] The specific implementation methods described above further illustrate the objectives, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above description is only a specific implementation method of the present invention and is not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An IoT smart gas meter electromechanical valve gearbox gear assembly system, characterized in that: It comprises a gearbox cover body conveying system (1) for conveying a gearbox cover body (3) on which a gear shaft (2) has been installed; It also includes the following components which are arranged in sequence along the conveying direction of the gearbox cover (3): A gearbox cover body feeding system, used for grabbing the gearbox cover body (3) and placing it on the gearbox cover body conveying system (1); A lower gear assembly system (5) for sequentially assembling lower gears on the gear shaft (2); An upper gear assembly system (6) is used to sequentially assemble the upper gears on the gear shaft (2); The lower gear and the upper gear are assembled and mesh with each other to form a gearbox gear set (7); The gearbox cover body (3) feeding system comprises a motion module (11), and the motion module (11) is connected to a gearbox cover body grabbing and feeding mechanism (12); The gearbox cover body grabbing and unloading mechanism (12) comprises a cylinder (13) and a plurality of linkage clamping claws (14) connected to one end of the cylinder (13); the plurality of linkage clamping claws (14) are driven by the cylinder (13) to synchronously realize radial translation to grab or release the gearbox cover body; and the inner sides of the plurality of linkage clamping claws (14) are provided with cover body positioning steps (15) of the same height as the lower end surfaces; The lower gear assembly system (5) comprises a gear conveying module (24) for adjusting and conveying the gear to a grabbing position; a gear assembly module (25) for moving to the grabbing position to grab the gear and assembling the grabbed gear onto the gear shaft (2); the gear assembly module (25) comprises a first moving component (33) and a gear assembly component (34) connected to the first moving component (33); the gear assembly component (34) comprises a mounting member (39) connected to the first moving component (33), at least one reciprocating member (40) connected to the mounting member (39), a mounting plate (41) connected to the reciprocating member (40), and a gear suction and discharge head (42) connected to the mounting plate (41); The upper gear assembly system (6) and the lower gear assembly system (5) have the same structure. A first self-resetting deformable member (61) is also mounted on the mounting member (39) of the upper gear assembly system (6). The first self-resetting deformable member (61) can move with the first motion component (33) to the upper end surface of the gearbox cover body (3) and press downward. The gears assembled on the gearbox cover body (3) are driven to mesh with each other based on the downward pressure of the first self-resetting deformable member (61).

2. The IoT smart gas meter electromechanical valve gearbox gear assembly system according to claim 1 is characterized in that: The plurality of linkage clamps (14) further comprise a cover body anti-skid structure provided at the lower portion of the cover body positioning step (15); the cover body anti-skid structure is a cover body locking step (20) formed by protruding outward from the inner side of the end of the linkage clamp (14); and the gearbox cover body is provided with an annular groove (21) that cooperates with the cover body locking step (20).

3. The IoT smart gas meter electromechanical valve gearbox gear assembly system according to claim 1 is characterized in that: The gear suction and discharge head (42) comprises a body (46) connected to the mounting plate (41) at one end, an annular boss (47) being provided at the other end of the body (46), an adsorption chamber (48) being formed inside the annular boss (47), a gear shaft (2) hole positioning piece being provided at the bottom of the adsorption chamber (48), and an air passage (50) communicating with the adsorption chamber (48), the air passage (50) being communicated with an air distribution hole (51) on the mounting plate (41).

4. The gas meter electromechanical valve gearbox gear assembly (7) assembly system according to claim 1, characterized in that: It also includes a gear shaft (2) position and height detection system disposed between the gearbox cover (3) feeding system and the lower gear assembly system (5); The gear shaft (2) in-position and height detection system comprises a transverse cylinder (63), a slide table of the transverse cylinder (63) is provided with an upper and lower cylinder (64), and a displacement sensor (65) is connected to the slide table of the upper and lower cylinders (64).

5. The IoT smart gas meter electromechanical valve gearbox gear assembly system according to claim 1 is characterized in that: It also includes a first air blowing member (66) disposed between the lower gear assembly system (5) and the upper gear assembly system (6), the first air blowing member (66) being used for continuously or intermittently blowing air to generate an airflow directed toward one or more gears in the gearbox gear set, and driving the gears within the gearbox gear set (7) to rotate and engage based on the airflow.

6. The IoT smart gas meter electromechanical valve gearbox gear assembly system according to claim 1 is characterized in that: It also includes a gear meshing detection system arranged behind the installation position of the upper gear assembly system (6); The gear mesh detection system includes: A second self-resetting deformation member (71) is used to deform in contact with the transmission gear set (7) being transported, and to drive the internal gear of the transmission gear set (7) to rotate and engage based on the friction force generated by the contact between the two and / or the self-resetting deformation force generated by the deformation of the second self-resetting deformation member (71); A second air blowing member (72) is used for blowing air to drive the internal gears of the gearbox gear set (7) to mesh and transmit through the flow of gas, the blowing direction of the second air blowing member (72) being directed toward the inner tooth surface of the tooth groove of any gear in the first or last stage of the gearbox gear set (7); The second self-resetting deformation member (71) and the second air blowing member (72) are arranged in sequence along the conveying track direction of the gearbox gear set (7); Also includes, The detection member (73) is arranged behind the second self-resetting deformation member (71) or the second air blowing member (72) and is used to detect the number of rotating teeth of another gear in the first stage or the last stage in the gearbox gear set (7).

7. A method for assembling a gas meter electromechanical valve gearbox gear set, which is implemented based on the IoT smart gas meter electromechanical valve gearbox gear set assembly system according to claims 1-6, characterized in that: include: The gearbox cover body feeding system grabs the gearbox cover body (3) and places the gearbox cover body (3) on the gearbox cover body conveying system (1); The gearbox cover conveying system (1) conveys the gearbox cover (3) to the position of the lower gear assembly system (5); The lower gear assembly system (5) grabs the gears and installs them onto the gear shaft (2) in sequence, thus completing the installation of the lower gears; The upper gear assembly system (6) grabs the gears and installs them onto the gear shaft (2) in sequence, completing the installation of the upper gears; The lower gear and the upper gear are assembled and meshed with each other to complete the assembly of the gear set of the speed change gear box.

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