Automatic assembly method and automatic assembly line for lock key screw sleeves

Abstract

The invention discloses an automatic assembly method and an automatic assembly line for lock key screw sleeves, and the automatic assembly method comprises the following steps: S1, starting a screw sleeve feeding unit, putting a to-be-assembled screw sleeve into a screw sleeve vibration disc, and then grabbing the to-be-assembled screw sleeve to an assembly unit processing position by a feeding manipulator; s2, a lock key feeding and press-fitting unit is started, a first set of lock keys are placed in a first lock key vibration disc, and the first set of lock keys enter one set of dovetail grooves in the screw sleeve in a press-fitting mode; s3, putting a second group of lock keys into a second lock key vibration disc, enabling the second group of lock keys to enter another group of dovetail grooves in the screw sleeve in a press-fitting manner, and obtaining a lock key screw sleeve product after press-fitting is completed; and S4, a finished product discharging unit is started, and after the collecting material frame is filled with the placed products, the products are taken away. By the adoption of the automatic assembly method and the automatic assembly line, manual production is replaced by automatic equipment, the consistency and stability of the assembly quality are improved, the production efficiency is improved, and therefore the requirement for high-quality delivery of products is met.

Description

Technical Field

[0001] The present invention relates to the field of intelligent manufacturing technology, and particularly relates to an automatic assembly method and an automatic assembly line for a lock key bushing. Background Art

[0002] The lock key bushing is a commonly used component in an aeroengine. Due to structural limitations and considerations of safety and maintainability, it is necessary to install a lock key bushing or a lock key stud on some parts for fastening connection. When installing a lock key bushing or a lock key stud, 2 or 4 rectangular grooves along the axis of the threaded hole need to be machined circumferentially evenly on the thread of the threaded hole for installing the lock key. The main assembly process of the lock key bushing product is currently that an operator holds a copper hammer and knocks the lock key into the dovetail groove of the bushing, and then presses the lock key into the bushing on a bench drill to ensure the pressing depth of the lock key to meet the product assembly requirements. The assembly process is completely manual. Although the assembly action is simple, during the assembly process, it is necessary to ensure the matching degree between the lock key and the bushing to ensure that the lock key does not become loose and the through-and-stop of the external thread of the bushing is qualified. It is difficult to guarantee the product quality reliability and consistency. Due to the uncertainty of the operator factor, the actual processing efficiency is very low, and the assembly requires multiple people to cooperate in processing according to the specified assembly flow. This not only occupies a large amount of human resources but also has a high labor cost, belonging to a labor-intensive process. At the same time, during the multi-person cooperative processing, if the cooperation is not good, it will seriously affect the assembly accuracy and assembly efficiency.

[0003] Therefore, with the development of automation technology, there is an urgent need for an automatic assembly line for automatic assembly, which can not only improve the assembly quality and efficiency, reduce the assembly cost, but also reduce the disadvantages brought by manual assembly errors, greatly reduce the labor intensity of workers, so as to improve the assembly efficiency and product quality. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide an automatic assembly line with automatic loading and unloading aiming at the problems in the background art. Utilizing automation technology and focusing on the development direction of intelligent manufacturing technology, it realizes the automatic assembly of the lock key bushing product, and replaces manual production with automatic equipment to achieve stable repetitive actions, thereby improving the consistency and stability of product assembly quality, and also improving the product production efficiency to meet the requirements of high-quality product delivery. Specifically, it is an automatic assembly method and an automatic assembly line for a lock key bushing.

[0005] To solve the above technical problem, the technical solution adopted by the present invention is: an automatic assembly method for a lock key bushing, the automatic assembly method comprising the following steps: S1. Start the wire set feeding unit. Manually place the wire sets to be assembled into the wire set vibrating bowl. After the wire sets are fed by vibration in the wire set vibrating bowl, the CCD vision detection system detects the front and back directions of the wire sets, as well as the number and size of the slots of the dovetail grooves. Then, after automatic correction by the feeding manipulator, they are grabbed and placed at the processing position of the assembly unit. S2. Start the lock key feeding and pressing unit. Manually place the first group of lock keys into the first lock key vibrating bowl. After the first group of lock keys are fed by vibration in the first lock key vibrating bowl, they are then clamped by the servo pressing manipulator corresponding to the first lock key vibrating bowl and placed on the pressing fixture in the assembly unit, and enter one group of the dovetail grooves in the wire set through the pressing method. S3. Manually place the second group of lock keys into the second lock key vibrating bowl. After the second group of lock keys are fed by vibration in the second lock key vibrating bowl, they are then clamped by the servo pressing manipulator corresponding to the second lock key vibrating bowl and placed on the pressing fixture in the assembly unit, and enter the other group of the dovetail grooves in the wire set through the pressing method. After the pressing is completed, the lock key - wire set product is obtained. S4. Start the finished product discharging unit. The discharging manipulator clamps the lock key - wire set product after pressing and places it into the collection bin. After the placed products fill the collection bin, the products can be taken away manually.

[0006] The present invention also discloses an automatic assembly line for the automatic assembly method applied to the lock key - wire set. The automatic assembly line includes a mounting base with support feet, a wire set feeding unit, a lock key feeding and pressing unit, an assembly unit, a finished product discharging unit, and a PLC programming control system. The wire set feeding unit, the lock key feeding and pressing unit, the assembly unit, and the finished product discharging unit are all arranged on the mounting base. Among them, the wire set feeding unit, the lock key feeding and pressing unit, and the finished product discharging unit are all located outside the assembly unit. And the PLC programming control system includes a touch screen and a controller with industrial control software. The touch screen and the controller are both arranged on the side of the mounting base. The PLC programming control system is electrically connected to the wire set feeding unit, the lock key feeding and pressing unit, the assembly unit, and the finished product discharging unit through the controller, and is used to intelligently control the operating states of the wire set feeding unit, the lock key feeding and pressing unit, the assembly unit, and the finished product discharging unit, so as to realize the automatic loading and unloading and automatic assembly of the lock key - wire set to be processed.

[0007] Further, the automated assembly line of the present invention is adopted. The processed product is a lock key wire sleeve, which includes a lock key and a wire sleeve. One end of the lock key is a trapezoidal end, and the other end is a flat end. The wire sleeve has an internal and external thread structure, with a counterbore end inside and a dovetail groove outside. One end of the counterbore end is a thread, and the other end contains a counterbore. The counterbore end is the assembly end of the lock key, with a threaded structure at both external ends and a necking section in the middle section. The dovetail groove includes two or four, and multiple dovetail grooves penetrate the side of the wire sleeve symmetrically and are evenly distributed outside the counterbore end. The number of lock keys corresponds to the number of dovetail grooves, and the flat end of the lock key is assembled into the dovetail groove of the wire sleeve.

[0008] Further, the automated assembly line of the present invention is adopted. The wire sleeve feeding unit includes a wire sleeve vibrating bowl, a wire sleeve sorting table, a CCD vision detection system, and a feeding manipulator. The wire sleeve vibrating bowl, the wire sleeve sorting table, the CCD vision detection system, and the feeding manipulator are arranged in sequence on the mounting base and are located outside the assembly unit. The lock key feeding and pressing unit has two workstations. Each workstation includes a lock key vibrating bowl, a servo pressing manipulator, and a lock key linear vibrator track. The lock key vibrating bowl is located at the front end of the lock key linear vibrator track, and the servo pressing manipulator is located at the rear end of the lock key linear vibrator track. The two workstations in the lock key feeding and pressing unit and the wire sleeve feeding unit are arranged in a ring on the mounting base outside the assembly unit, and each workstation is used to press two lock keys. The assembly unit includes a cam divider and a pressing tooling. The cam divider is installed on the mounting base, and the pressing tooling is arranged in the cam divider. The finished product discharging unit includes a discharging manipulator and a collecting bin. The discharging manipulator and the collecting bin are installed on the mounting base near the wire sleeve feeding unit and are located outside the assembly unit. The PLC programming control system is electrically connected to the wire sleeve vibrating bowl, the wire sleeve sorting table, the CCD vision detection system, the feeding manipulator, the lock key vibrating bowl, the servo pressing manipulator, and the discharging manipulator respectively through a controller. Through the wire sleeve feeding unit, the lock key feeding and pressing unit, the assembly unit, and the finished product discharging unit, the automatic loading and unloading and automatic assembly of the lock key wire sleeve to be processed are realized.

[0009] Further, the automated assembly line of the present invention is adopted. The wire sleeve vibrating bowl in the wire sleeve feeding unit is used to vibrate out the wire sleeve into the wire sleeve sorting table, and cooperate with the CCD vision detection system to automatically complete the positive and negative screening of the wire sleeve, the confirmation of the number of dovetail grooves, and the size detection, and output the wire sleeve with the correct orientation. The feeding manipulator is used to remove the abnormal wire sleeves, clamp the normal wire sleeves and place them at the slot installation position corresponding to the wire sleeve slot in the assembly unit to ensure the consistency of the lock key pressing position. The key vibrating bowl in the key feeding and pressing unit is used to vibrate out the keys and convey the keys to the feeding point through the key linear vibrating track. The grasping mechanism of the servo pressing manipulator outputs the keys in the correct orientation, rejects the keys of abnormal products, and grasps the keys of normal products to press the flat end of the keys into the dovetail groove of the bushing through the assembly unit; The unloading manipulator in the finished product unloading unit is used to reject the key bushings of abnormal products and clamp the key bushings of normal products into the collection bin, completing the automatic loading and unloading of the key bushings and the automatic assembly process.

[0010] Further, using the automated assembly line of the present invention, the bushing vibrating bowl includes a circular vibrating hopper and a linear guide rail. One end of the circular vibrating hopper is connected to the linear guide rail, and the other end of the linear guide rail is connected to the bushing sorting table. The circular vibrating hopper vibrates the bushings by vibrating in the vertical and circumferential directions. The bushings after vibration move in sequence along the linear guide rail to the bushing sorting table and wait for identification and screening by the CCD vision detection system.

[0011] Further, using the automated assembly line of the present invention, the loading manipulator includes a left-right sliding table cylinder, a rotating finger cylinder, and a servo motor. The servo motor drives the left-right sliding table cylinder to move to achieve the forward and backward movement of the loading manipulator, and the rotating finger cylinder is used to clamp and rotate the bushing by 180°.

[0012] Further, using the automated assembly line of the present invention, the servo pressing manipulator includes a pressure sensor, a pressing gripper, a finger cylinder, a sliding table cylinder, and a servo motor. The pressure sensor is used to ensure the pressure force and feedback whether the pressing gap between the bushing and the key is qualified. The pressing gripper can achieve the key pressing action. The servo motor is used to drive the motion states of the finger cylinder and the sliding table cylinder. The finger cylinder and the sliding table cylinder are driven by the servo motor to move and grasp the key into the assembly unit.

[0013] Further, using the automated assembly line of the present invention, the cam divider includes a dividing disk body and a driving motor. The driving motor is used to drive the input shaft of the cam divider to rotate. The output shaft of the cam divider outputs an intermittent motion to drive the dividing disk body to rotate 90° each time. The dividing disk body is divided into four workstations, and each workstation is provided with a pressing fixture. The pressing fixture is used to press the workpieces at the corresponding workstations; the pressing fixture includes a positioning jig, a guiding jig, and a pressing cylinder. The loading manipulator grabs the bushing to the positioning jig through the pressing gripper, uses the guiding jig to guide the key, and the pressing cylinder presses the key into the bushing; the guiding jig includes a pressing guiding groove, and the flat end of the key is pressed into the dovetail groove of the bushing through the pressing guiding groove to ensure the stability of the pressing.

[0014] Furthermore, by adopting the automated assembly line of the present invention, the blanking manipulator includes a servo electric cylinder, a lifting cylinder, and a blanking finger cylinder. The servo electric cylinder and the lifting cylinder are used to discharge materials in sections to avoid the accumulation of lock key wire sleeves. The blanking finger cylinder is used to place the lock key wire sleeves in the collection bin. After the collection bin is full, the lock key wire sleeves are taken away manually, thus completing the automatic assembly of the lock key wire sleeves.

[0015] By adopting the automated assembly method and automated assembly line for lock key wire sleeves of the present invention, compared with the prior art, the beneficial effects are as follows: Through the configured automated assembly line, under the action of the wire sleeve feeding unit, the lock key feeding and pressing unit, the assembly unit, and the finished product blanking unit, the PLC programming control system is used for automatic control, and the CCD vision detection system is used to realize the automatic detection and identification of the flat end direction of the lock key product, the counterbore end of the wire sleeve, and the position of the dovetail groove, effectively solving the problem that it is difficult to guarantee the reliability and consistency of product quality caused by manual selection; At the same time, a pressure sensor is used to detect the pressing force to realize the control of the pressing height and ring diameter size, improving the qualified rate of product assembly; The servo manipulator is used to realize the automatic loading and unloading and automatic assembly of products, replacing manual labor with machines, achieving the automation, unmanned operation, and elimination of manual work of product assembly, greatly improving the working conditions, reducing the labor intensity of workers, lowering the labor cost, and improving the production efficiency of products.

[0016] In summary, by adopting the automated assembly method and automated assembly line of the present invention, applying intelligent assembly technology, automated design technology, PLC automation control technology, CCD vision technology, self-sensing adaptation technology, and simulation design technology, etc., the automation of the assembly of lock key wire sleeve products is realized, automated equipment replaces manual production, stable repetitive actions are achieved, the consistency and stability of product assembly quality are improved, the production efficiency of products is increased, and the requirements for high-quality product delivery are met. Brief Description of the Drawings

[0017] The present invention will be further described in detail below with reference to the accompanying drawings.

[0018] Figure 1 It is a schematic structural diagram of the processed product described in the present invention; Figure 2 It is a schematic structural diagram of the lock key described in the present invention; Figure 3 It is a schematic structural diagram of the wire sleeve described in the present invention; Figure 4 It is a schematic structural diagram of the automated assembly line described in the present invention; Figure 5 It is a schematic structural diagram of the wire sleeve feeding unit described in the present invention; Figure 6Schematic diagram of the structure of the wire sleeve vibrating bowl of the present invention; Figure 7 Schematic diagram of the structure of the loading manipulator of the present invention; Figure 8 Schematic diagram of the structure of the key locking loading and pressing unit of the present invention; Figure 9 Schematic diagram of the structure of the servo pressing manipulator of the present invention; Figure 10 Schematic diagram of the structure of the assembly unit of the present invention; Figure 11 Schematic diagram of the structure of the cam divider of the present invention; Figure 12 Schematic diagram of the structure of the pressing tooling of the present invention; Figure 13 Schematic diagram of the structure of the guiding jig of the present invention; Figure 14 Schematic diagram of the structure of the finished product unloading unit of the present invention; Figure 15 Schematic diagram of the structure of the unloading manipulator of the present invention; Figure 16 Schematic diagram of the PLC programming control system of the present invention.

[0019] As shown in the figure: 1 - key locking wire sleeve, 2 - key lock, 3 - wire sleeve, 4 - trapezoidal end, 5 - flat end, 6 - dovetail groove, 7 - counterbore end, 8 - wire sleeve loading unit, 9 - key locking loading and pressing unit, 10 - assembly unit, 11 - finished product unloading unit, 12 - PLC programming control system, 13 - wire sleeve vibrating bowl, 14 - wire sleeve feeding table, 15 - CCD vision detection system, 16 - loading manipulator, 17 - key lock vibrating bowl, 18 - servo pressing manipulator, 19 - key lock linear vibrating track, 20 - cam divider, 21 - unloading manipulator, 22 - collection bin, 23 - touch screen, 24 - industrial control software, 25 - circular vibrating hopper, 26 - linear guide rail, 27 - left and right sliding table cylinders, 28 - rotating finger cylinder, 29 - pressure sensor, 30 - pressing gripper, 31 - finger cylinder, 32 - sliding table cylinder, 33 - pressing tooling, 34 - indexing plate body, 35 - driving motor, 36 - positioning jig, 37 - guiding jig, 38 - pressing cylinder, 39 - pressing guide groove, 40 - servo electric cylinder, 41 - lifting cylinder, 42 - unloading finger cylinder. Detailed implementation manners

[0020] The following specific embodiments illustrate the implementation manners of the present invention. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification.

[0021] It should be noted that the structures, proportions, sizes, etc. depicted in the attached drawings of this specification are only used to cooperate with the content disclosed in the specification for those familiar with this technology to understand and read, and are not used to limit the limited conditions under which the present invention can be implemented. Therefore, they do not have substantial technical significance. Any modification of the structure, change in the proportional relationship, or adjustment of the size, without affecting the efficacy that the present invention can produce and the purpose that can be achieved, should still fall within the scope covered by the technical content disclosed in the present invention. At the same time, the terms such as "upper", "lower", "left", "right", etc. cited in this specification are also only for the convenience of description and clarity, and are not used to limit the scope under which the present invention can be implemented. The change or adjustment of their relative relationship, without substantial change in the technical content, should also be regarded as the scope under which the present invention can be implemented.

[0022] In the description of the present invention, it should be noted that unless otherwise clearly specified and limited, the terms "connected" and "provided with" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] It should be noted that the term "comprising" or any other variant is intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements not only includes those elements, but also includes other elements not explicitly listed, or further includes elements inherent to such a process, method, article, or device. Embodiment 1

[0024] Such as Figures 1 to 16As shown in the figure, this embodiment provides an automated assembly line for an automated assembly method of a lock key wire sleeve. The automated assembly line includes a mounting base with support feet, a wire sleeve feeding unit 8, a lock key feeding and pressing unit 9, an assembly unit 10, a finished product discharging unit 11, and a PLC programming control system 12. The wire sleeve feeding unit 8, the lock key feeding and pressing unit 9, the assembly unit 10, and the finished product discharging unit 11 are all arranged on the mounting base. Among them, the wire sleeve feeding unit 8, the lock key feeding and pressing unit 9, and the finished product discharging unit 11 are all located outside the assembly unit 10. The PLC programming control system 12 includes a touch screen 23 and a controller 24 with industrial control software. The touch screen 23 and the controller 24 are both arranged on the side of the mounting base. The PLC programming control system 12 is electrically connected to the wire sleeve feeding unit 8, the lock key feeding and pressing unit 9, the assembly unit 10, and the finished product discharging unit 11 through the controller 24, and is used to intelligently control the operating states of the wire sleeve feeding unit 8, the lock key feeding and pressing unit 9, the assembly unit 10, and the finished product discharging unit 11, so as to realize the automatic loading and unloading and automatic assembly of the lock key wire sleeve 1 of the product to be processed.

[0025] Further, using the automated assembly line described in this embodiment, the processed product is a lock key wire sleeve 1. The lock key wire sleeve 1 includes a lock key 2 and a wire sleeve 3. One end of the lock key 2 is a trapezoidal end 4, and the other end is a flat end 5. The flat end 5 is assembled into the dovetail groove 6 of the wire sleeve. The wire sleeve 3 has an internal and external thread structure. The internal part is a counterbore end 7, and the external part is a dovetail groove 6. One end of the counterbore end 7 is a thread, and the other end contains a counterbore. The counterbore end 7 is the assembly end of the lock key 2. The external two ends are threads, and a necking section is arranged in the middle section. The dovetail groove 6 runs through and is evenly distributed on the external thread, including two types: two or four dovetail grooves 6.

[0026] Further, using the automated assembly line described in this embodiment, the wire sleeve feeding unit 8 includes a wire sleeve vibrating bowl 13, a wire sleeve sorting table 14, a CCD vision detection system 15, and a feeding manipulator 16. The lock key feeding and pressing unit 9 includes a lock key vibrating bowl 17, a servo pressing manipulator 18, and a lock key linear vibrator track 19. The lock key feeding and pressing unit 9 has two workstations, and 2 PCS (pieces) of lock keys 2 are pressed at each workstation. The assembly unit 10 includes a cam divider 20 and a pressing tooling 33. The finished product discharging unit 11 includes a discharging manipulator 21 and a collecting bin 22. The PLC programming control system 12 includes a touch screen 23 and industrial control software 24.

[0027] Further, by adopting the automated assembly line described in this embodiment, the bushing vibrating bowl 13 in the bushing feeding unit 8 is used to vibrate out the bushings 3 to the bushing distribution table 14, and cooperate with the CCD vision detection system 15 to complete the forward and reverse screening of the bushings 3, the confirmation of the number of dovetail grooves 6 and the size detection, and output the bushings 3 with the correct orientation. The feeding manipulator 16 is used to remove the NG (non-conforming product) bushings 3, clamp the OK (conforming product) bushings 3 and place them into the slot corresponding to the slot of the bushing 3 in the assembly unit 10 to ensure the consistency of the pressing position of the locking key 2. The locking key vibrating bowl 17 of the locking key feeding and pressing unit 9 is used to vibrate out the locking keys 2, and convey the locking keys 2 to the feeding point through the locking key linear vibrating track 19. The grasping mechanism of the servo pressing manipulator 18 outputs the locking keys 2 with the correct orientation, removes the NG (non-conforming product) locking keys 2, and grasps the OK (conforming product) locking keys 2 to press the flat end 5 of the locking key 2 into the dovetail groove 6 of the bushing 3 through the assembly unit 10. The blanking manipulator 21 of the finished product blanking unit 11 is used to remove the NG locking key bushings 1 and clamp the OK (conforming product) locking key bushings 1 to the collection bin 22 to complete the automatic loading and unloading and automatic assembly processing of the locking key bushings 1.

[0028] Further, by adopting the automated assembly line described in this embodiment, the bushing vibrating bowl 13 includes a circular vibrating hopper 25 and a linear guide rail 26. The circular vibrating hopper 25 is connected to the linear guide rail 26, and the linear guide rail 26 is connected to the bushing distribution table 14. The circular vibrating hopper 25 vibrates the bushings 3 out by vibrating in the vertical and circumferential directions, and the bushings 3 are arranged in sequence along the special linear guide rail 26 and move to the bushing distribution table 14 to wait for the CCD vision detection system 15 to identify and screen.

[0029] Further, by adopting the automated assembly line described in this embodiment, the feeding manipulator 16 includes a left-right sliding table cylinder 27, a rotating finger cylinder 28 and a servo motor. The servo motor drives the left-right sliding table cylinder 27 to move to realize the forward and backward movement of the feeding manipulator 16, and the rotating finger cylinder 28 is used to clamp and rotate the bushing 3 by 180°.

[0030] Further, by adopting the automated assembly line described in this embodiment, the servo pressing manipulator 18 includes a pressure sensor 29, a pressing gripper 30, a finger cylinder 31, a sliding table cylinder 32 and a servo motor. The pressure sensor 29 is used to ensure the pressure force and feedback whether the pressing gap between the bushing 3 and the locking key 2 is qualified. The pressing gripper 30 can realize the pressing action of the locking key 2. The servo motor is used to drive the motion states of the finger cylinder 31 and the sliding table cylinder 32. The finger cylinder 31 and the sliding table cylinder 32 are driven by the servo motor to move and grasp the locking key 2 into the assembly unit 10.

[0031] Further, the automated assembly line according to the present invention is adopted. The cam divider 20 includes a indexing disc body 34 and a driving motor 35. The driving motor 35 is used to drive the rotation of the input shaft of the cam divider 20. The output shaft of the cam divider 20 outputs intermittent motion to drive the indexing disc body 34 to rotate 90° each time. The indexing disc body 34 is divided into four stations, and a press-fitting tool 33 is arranged at each station. The press-fitting tool 33 is used to press-fit workpieces at the corresponding stations. The press-fitting tool 33 includes a positioning fixture 36, a guiding fixture 37 and a press-fitting cylinder 38. The feeding manipulator 16 grabs the wire sleeve 3 to the positioning fixture 36 through the press-fitting gripper 30, guides the locking key 2 by using the guiding fixture 37, and the press-fitting cylinder 38 presses the locking key 2 into the wire sleeve 3. The guiding fixture 37 includes a press-fitting guiding groove 39. The flat end 5 of the locking key 2 is pressed into the dovetail groove 6 of the wire sleeve 3 through the press-fitting guiding groove 39 to ensure the stability of the press-fitting.

[0032] Further, the automated assembly line according to this embodiment is adopted. The discharging manipulator 21 includes a servo electric cylinder 40, a lifting cylinder 41 and a discharging finger cylinder 42. The servo electric cylinder 40 and the lifting cylinder 41 are used for staged discharging to avoid the accumulation of the locking key wire sleeve 1. The discharging finger cylinder 42 is used to discharge the locking key wire sleeve 1 and place it in the collecting bin 22. After the collecting bin 22 is full, the locking key wire sleeve 1 is taken away manually, so as to complete the automatic assembly of the locking key wire sleeve 1.

[0033] Further, the PLC programming control system 12 according to this embodiment is adopted. The PLC programming control system 12 further includes an operation button and an indicator light electrically connected to the controller 24. The configured PLC programming control system 12 is used for the intelligent function control of the automated assembly line. Under the action of the touch screen 23 and the controller 24, the operation button and the indicator light are used to intelligently control the operating states of the wire sleeve feeding unit 8, the locking key feeding and press-fitting unit 9, the assembly unit 10 and the finished product discharging unit 11, and complete the automatic loading and unloading and automatic assembly of the locking key wire sleeve 1. Embodiment 2

[0034] This embodiment also provides an automated assembly method for a locking key wire sleeve. The automated assembly method includes the following steps: S1. Start the wire sleeve feeding unit 8. Manually put the wire sleeve 3 to be assembled into the wire sleeve vibrating bowl 13. After the wire sleeve 3 is vibrated and fed in the wire sleeve vibrating bowl 13, the CCD vision detection system 15 detects the front and back directions of the wire sleeve 3 and the number and size of the slots of the dovetail groove 6. Then, after automatic deviation correction by the feeding manipulator 16, it is grabbed to the processing position of the assembly unit 10. S2. Start the locking key feeding and pressing unit 9. Manually place the first group of locking keys 2 into the first locking key vibrating bowl 17. After the first group of locking keys 2 are fed by vibration in the first locking key vibrating bowl 17, the servo pressing manipulator 18 corresponding to the first locking key vibrating bowl 17 picks up the locking keys 2 and places them on the pressing tooling 33 in the assembly unit 10, and then enters one of the dovetail grooves 6 in the bushing 3 through pressing; S3. Manually place the second group of locking keys 2 into the second locking key vibrating bowl 17. After the second group of locking keys 2 are fed by vibration in the second locking key vibrating bowl 17, the servo pressing manipulator 18 corresponding to the second locking key vibrating bowl 17 picks up the locking keys 2 and places them on the pressing tooling 33 in the assembly unit 10, and then enters the other group of dovetail grooves 6 in the bushing 3 through pressing. After pressing is completed, the locking key - bushing 1 product is obtained; S4. Start the finished product discharging unit 11. The discharging manipulator 21 picks up the pressed locking key - bushing 1 product and places it into the collection bin 22. After the placed products fill the collection bin 22, the products can be taken away manually.

[0035] Adopting the automated assembly method of the present invention, on the premise of meeting the safe use conditions, according to the assembly quality requirements of the locking key - bushing product, the original manual assembly is replaced with an automated assembly method, realizing the dimensional inspection and screening of the locking key product, the dimensional inspection and screening of the bushing product, and the automated assembly and screening of the locking key - bushing component product, meeting the quality requirements of high - quality delivery and improving the product production efficiency.

[0036] In summary, adopting the automated assembly method and automated assembly line of the present invention realizes the automation, unmanned operation, and elimination of manual labor in the assembly of the locking key - bushing product, realizes the replacement of manual production with automated equipment, improves the working conditions, reduces the labor intensity of workers, reduces the labor cost, realizes stable repetitive actions, improves the consistency and stability of the product assembly quality, improves the product production efficiency, and meets the requirements of high - quality delivery of the product.

[0037] Other details not elaborated in the present invention are all well - known conventional technologies in the art.

[0038] The protection scope of the present invention is not limited to the technical solutions disclosed in the specific embodiments. The above - mentioned are only the preferred embodiments of the present invention and do not limit the present invention. Any minor modification, equivalent replacement, and improvement made according to the technical solutions of the present invention should be included within the protection scope of the technical solutions of the present invention.

Claims

1. An automated assembly method for a lock key wire sleeve, characterized in that: The described automatic assembly method includes the following steps: S1. Start the wire sleeve feeding unit (8). Manually place the wire sleeve (3) to be assembled into the wire sleeve vibrating bowl (13). After the wire sleeve (3) is fed by vibration in the wire sleeve vibrating bowl (13), the CCD vision detection system (15) detects the front and back directions of the wire sleeve (3) and the number and dimensions of the slots of the dovetail groove (6). Then, after automatic deviation correction by the feeding manipulator (16), it is grabbed and placed at the processing position of the assembly unit (10). S2. Start the lock key feeding and pressing unit (9). Manually place the first group of lock keys (2) into the first lock key vibrating bowl (17). After the first group of lock keys (2) is fed by vibration in the first lock key vibrating bowl (17), then the servo pressing manipulator (18) corresponding to the first lock key vibrating bowl (17) clamps the lock key (2) and places it on the pressing tooling (33) in the assembly unit (10), and enters one group of the dovetail grooves (6) in the wire sleeve (3) through the pressing method. S3. Manually place the second group of lock keys (2) into the second lock key vibrating bowl (17). After the second group of lock keys (2) is fed by vibration in the second lock key vibrating bowl (17), then the servo pressing manipulator (18) corresponding to the second lock key vibrating bowl (17) clamps the lock key (2) and places it on the pressing tooling (33) in the assembly unit (10), and enters the other group of the dovetail grooves (6) in the wire sleeve (3) through the pressing method. After the pressing is completed, the lock key wire sleeve (1) product is obtained. S4. Start the finished product discharging unit (11). The discharging manipulator (21) clamps the lock key wire sleeve (1) product after pressing and places it into the collection bin (22). After the placed products fill the collection bin (22), the products can be taken away manually.

2. An automated assembly line for the automated assembly method of the lock key wire sleeve described in claim 1, characterized in that: The described automatic assembly line includes a mounting base with support feet, a wire sleeve feeding unit (8), a lock key feeding and pressing unit (9), an assembly unit (10), a finished product discharging unit (11), and a PLC programming control system (12). The wire sleeve feeding unit (8), the lock key feeding and pressing unit (9), the assembly unit (10), and the finished product discharging unit (11) are all arranged on the mounting base. Among them, the wire sleeve feeding unit (8), the lock key feeding and pressing unit (9), and the finished product discharging unit (11) are all located outside the assembly unit (10); and the PLC programming control system (12) includes a touch screen (23) and a controller (24) with industrial control software. The touch screen (23) and the controller (24) are both arranged on the side of the mounting base. The PLC programming control system (12) is electrically connected to the wire sleeve feeding unit (8), the lock key feeding and pressing unit (9), the assembly unit (10), and the finished product discharging unit (11) respectively through the controller (24), and is used to intelligently control the operating states of the wire sleeve feeding unit (8), the lock key feeding and pressing unit (9), the assembly unit (10), and the finished product discharging unit (11), so as to realize the automatic loading and unloading and automatic assembly of the lock key wire sleeve (1) product to be processed.

3. The automated assembly line according to claim 2, wherein: The processed product is a lock key wire sleeve (1), which includes a lock key (2) and a wire sleeve (3). One end of the lock key (2) is a trapezoidal end (4), and the other end is a flat end (5). The wire sleeve (3) has an internal and external thread structure. The internal part is a counterbore end (7), and the external part is a dovetail groove (6). One end of the counterbore end (7) is a thread, and the other end contains a counterbore. The counterbore end (7) is the assembly end of the lock key (2). The two external ends are of a thread structure, and a necking section is arranged in the middle section. The dovetail groove (6) includes two or four. A plurality of the dovetail grooves (6) are symmetrically arranged through the side surface of the wire sleeve (3) and evenly distributed outside the counterbore end (7). The number of the lock keys (2) corresponds to the number of the dovetail grooves (6). The flat end (5) of the lock key (2) is assembled into the dovetail groove (6) of the wire sleeve (3).

4. The automated assembly line according to claim 3, wherein: The wire sleeve feeding unit (8) includes a wire sleeve vibrating bowl (13), a wire sleeve feeding table (14), a CCD vision detection system (15) and a feeding manipulator (16). The wire sleeve vibrating bowl (13), the wire sleeve feeding table (14), the CCD vision detection system (15) and the feeding manipulator (16) are arranged in sequence on the mounting base and are located outside the assembly unit (10). The lock key feeding and pressing unit (9) has two workstations. Each workstation includes a lock key vibrating bowl (17), a servo pressing manipulator (18) and a lock key linear vibrating track (19). The lock key vibrating bowl (17) is located at the front end of the lock key linear vibrating track (19), and the servo pressing manipulator (18) is located at the rear end of the lock key linear vibrating track (19). The two workstations in the lock key feeding and pressing unit (9) and the wire sleeve feeding unit (8) are arranged in a ring on the mounting base outside the assembly unit (10). Each workstation is used for pressing two lock keys (2). The assembly unit (10) includes a cam divider (20) and a pressing tooling (33). The cam divider (20) is installed on the mounting base, and the pressing tooling (33) is arranged in the cam divider (20). The finished product discharging unit (11) includes a discharging manipulator (21) and a collecting bin (22). The discharging manipulator (21) and the collecting bin (22) are installed on the mounting base near one side of the wire sleeve feeding unit (8) and are located outside the assembly unit (10). The PLC programming control system (12) is electrically connected to the wire sleeve vibrating bowl (13), the wire sleeve feeding table (14), the CCD vision detection system (15), the feeding manipulator (16), the lock key vibrating bowl (17), the servo pressing manipulator (18) and the discharging manipulator (21) respectively through a controller (24). Through the wire sleeve feeding unit (8), the lock key feeding and pressing unit (9), the assembly unit (10) and the finished product discharging unit (11), the automatic loading and unloading and automatic assembly of the processed product lock key wire sleeve (1) are realized.

5. The automated assembly line according to claim 4, characterized in that: The wire sleeve feeding unit (8) has a wire sleeve vibrating bowl (13) that vibrates out the wire sleeves (3) into the wire sleeve feeding table (14), and cooperates with the CCD vision inspection system (15) to automatically complete the positive and negative screening of the wire sleeves (3), the quantity confirmation and dimension detection of the dovetail grooves (6), and outputs the wire sleeves (3) with the correct orientation; and the feeding manipulator (16) is used to remove the wire sleeves (3) of non-conforming products, grip the wire sleeves (3) of conforming products and place them at the slot installation position corresponding to the slot of the wire sleeve (3) in the assembly unit (10), ensuring the consistency of the pressing position of the locking key (2). The locking key feeding and pressing unit (9) has a locking key vibrating bowl (17) that vibrates out the locking keys (2), and conveys the locking keys (2) to the feeding point through the locking key linear vibrating track (19). The gripping mechanism of the servo pressing manipulator (18) outputs the locking keys (2) with the correct orientation, removes the locking keys (2) of non-conforming products, and grips the locking keys (2) of conforming products and presses the flat end (5) of the locking key (2) into the dovetail groove (6) of the wire sleeve (3) through the assembly unit (10). The finished product discharging unit (11) has a discharging manipulator (21) that removes the locking key wire sleeves (1) of non-conforming products and grips the locking key wire sleeves (1) of conforming products into the collection bin (22), completing the automatic loading and unloading of the locking key wire sleeves (1) and the automatic assembly processing.

6. The automated assembly line according to claim 5, characterized in that: The wire sleeve vibrating bowl (13) includes a circular vibrating hopper (25) and a linear guide rail (26). The circular vibrating hopper (25) is connected to one end of the linear guide rail (26), and the other end of the linear guide rail (26) is connected to the wire sleeve feeding table (14). The circular vibrating hopper (25) vibrates the wire sleeves (3) out by vibrating in the vertical and circumferential directions. The wire sleeves (3) after being vibrated out move in sequence along the linear guide rail (26) to the wire sleeve feeding table (14) and wait for the CCD vision inspection system (15) to identify and screen them.

7. The automated assembly line according to claim 5, wherein: The feeding manipulator (16) includes a left-right sliding table cylinder (27), a rotating finger cylinder (28) and a servo motor. The servo motor drives the left-right sliding table cylinder (27) to move to achieve the forward and backward movement of the feeding manipulator (16), and the rotating finger cylinder (28) is used to grip and perform a 180° rotation action on the wire sleeve (8).

8. The automated assembly line according to claim 5, characterized in that: The servo pressing manipulator (18) includes a pressure sensor (29), a pressing gripper (30), a finger cylinder (31), a sliding table cylinder (32) and a servo motor. The pressure sensor (29) is used to ensure the pressure force and feedback whether the pressing gap between the wire sleeve (3) and the locking key (2) is qualified. The pressing gripper (30) can perform the locking key (2) pressing action. The servo motor is used to drive the motion states of the finger cylinder (31) and the sliding table cylinder (32). The finger cylinder (31) and the sliding table cylinder (32) are driven by the servo motor to move and grip the locking key (2) into the assembly unit (10).

9. The automated assembly line according to claim 5, wherein: The cam divider (20) includes an indexing plate body (34) and a driving motor (35). The driving motor (35) is used to drive the rotation of the input shaft of the cam divider (20). The output shaft of the cam divider (20) outputs an intermittent motion to drive the indexing plate body (34) to rotate 90° each time. The indexing plate body (34) is divided into four workstations, and a press-fitting tooling (33) is arranged at each workstation. The press-fitting tooling (33) is used to press-fit workpieces at the corresponding workstations. The press-fitting tooling (33) includes a positioning jig (36), a guiding jig (37), and a press-fitting cylinder (38). The loading manipulator (16) grabs the wire sleeve (3) to the positioning jig (36) through the press-fitting gripper (30), guides the locking key (2) using the guiding jig (37), and the press-fitting cylinder (38) presses the locking key (2) into the wire sleeve (3). The guiding jig (37) includes a press-fitting guiding groove (39). The flat end (5) of the locking key (2) is pressed into the dovetail groove (6) of the wire sleeve (3) through the press-fitting guiding groove (39) to ensure the stability of the press-fitting.

10. The automated assembly line according to claim 5, wherein: The unloading manipulator (21) includes a servo electric cylinder (40), a lifting cylinder (41), and an unloading finger cylinder (42). The servo electric cylinder (40) and the lifting cylinder (41) are used for staged discharging to avoid the accumulation of the locking key wire sleeves (1). The unloading finger cylinder (42) is used to unload the locking key wire sleeves (1) and place them in the collection bin (22). After the collection bin (22) is full, the locking key wire sleeves (1) are taken away manually, thus completing the automatic assembly of the locking key wire sleeves (1).

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