Vehicle air handling unit missing part detection mechanism

Abstract

The utility model discloses a vehicle air conditioning cabinet missing part detection mechanism comprising a rack, and the left side and the right side of the rack are respectively provided with a feeding channel and a discharging channel; a double-speed chain conveying line is arranged below the rack, a tool bottom plate is arranged on the double-speed chain conveying line, and a jacking assembly is arranged below the double-speed chain conveying line; and a detection robot is arranged in the rack and is arranged above the tool bottom plate. According to the utility model, the detection robot and the camera are introduced, so that the automatic detection of the missing parts of the vehicle air conditioning cabinet is realized, the detection efficiency and accuracy are greatly improved, the dependence of manual identification is reduced, the labor intensity is reduced, and the detection error caused by human factors is also avoided; the whole efficiency of the production line is improved, the production cost is reduced by reducing manual intervention, defective products can be effectively prevented from flowing into the market, and therefore the product quality is improved, and the market competitiveness and brand reputation of enterprises are enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile air conditioner box assembly, particularly relates to a vehicle air conditioner box missing part detection mechanism. BACKGROUND

[0002] At present, the domestic parking air conditioner host manufacturing industry is booming, and many manufacturers are equipped with their own production lines. In the automobile air conditioner assembly process, it is crucial to ensure the complete assembly of each component, therefore, the parts assembly inspection link is indispensable.

[0003] However, in the existing technical practice, the parts assembly inspection mainly relies on the manual identification method to prevent missing. But in the actual production scene, part of the production line is large in scale, and the number of stations is large, which leads to extensive production area planning, and the operation personnel face heavy labor pressure. This highly dependent manual inspection method not only is difficult to ensure product quality, and is easy to make the products with defects flow into the market, and further cause serious quality crisis, and manual identification is low in efficiency and high in cost, which becomes the key factor restricting production efficiency and cost control. SUMMARY

[0004] The utility model aims at providing a vehicle air conditioner box missing part detection mechanism to solve the problems in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of vehicle air conditioner box missing part detection mechanism, including rack;The rack is frame structure, wherein rack perimeter is equipped with protective net board;The lower left side of the rack is equipped with feed passage, wherein the lower right side of the rack is equipped with discharge passage corresponding to feed passage;The lower side of the rack is equipped with speed chain conveying line, wherein speed chain conveying line transversely passes through feed passage and discharge passage;Speed chain conveying line is equipped with tooling bottom plate, wherein air conditioner box is placed above tooling bottom plate;Tooling bottom plate is movably connected with speed chain conveying line, and tooling bottom plate moves along the direction of conveyance of speed chain conveying line;The inner cavity of the rack is equipped with jacking assembly, wherein jacking assembly is arranged below speed chain conveying line, and the top end of jacking assembly is in abutment with tooling bottom plate;The end of speed chain conveying line close to feed passage is equipped with first speed chain blocking component, wherein the end of speed chain conveying line close to discharge passage is equipped with second speed chain blocking component, and first speed chain blocking component and second speed chain blocking component are same in structure;Tooling bottom plate is equipped with wear strip around its periphery, wherein the end of tooling bottom plate close to first speed chain blocking component is equipped with first limiting slot, and the end of tooling bottom plate close to second speed chain blocking component is equipped with second limiting slot;The inner cavity of the rack is equipped with detection robot, wherein the fixed end of detection robot is fixedly connected with the top wall of the inner cavity of the rack by fixed seat;The end of the mechanical arm of detection robot is fixedly connected with support plate, wherein camera is installed on support plate;The front end of the rack is equipped with industrial computer, wherein industrial computer is electrically connected with detection robot, camera, jacking assembly, first speed chain blocking component and second speed chain blocking component.

[0007] Preferably, the jacking assembly includes a fixed frame, wherein the upper end of the fixed frame is provided with a table panel; the upper side of the table panel is provided with a lifting plate, wherein the lower side of the table panel is fixedly installed with a lifting cylinder; the top end of the piston rod of the lifting cylinder penetrates the table panel upward, wherein the top end of the piston rod is fixedly connected with the bottom of the lifting plate through a floating joint.

[0008] Preferably, the table panel is provided with a linear bearing at each corner position, wherein each linear bearing is provided with a guide shaft inside; the upper end of the guide shaft is fixedly connected with the bottom of the lifting plate, wherein the lower end of the guide shaft is provided with a stroke limiting plate; the stroke limiting plate is fixedly connected with two adjacent guide shafts at both ends, wherein a hydraulic buffer is arranged in the middle of the stroke limiting plate; the bottom of the table panel is provided with a limiting column, wherein the limiting column corresponds to the hydraulic buffer.

[0009] Preferably, the top end of the lifting plate is provided with two rhombic positioning pins and two equal-height struts at each corner position, wherein the two rhombic positioning pins are diagonally arranged, and the two equal-height struts are diagonally arranged.

[0010] Preferably, the bottom of the tooling bottom plate is provided with two positioning sleeves, wherein the positioning sleeves are diagonally arranged and respectively matched with the rhombic positioning pins.

[0011] Preferably, the fixed frame is provided with heavy load shockproof foot cups under the foot parts, and the support foot sides are provided with inclined support brackets.

[0012] Preferably, the first speed chain blocking assembly comprises a fixed plate, the two ends of the fixed plate are fixedly connected with the bottom wall of the speed chain conveying line, and the fixed plate is provided with a blocking air cylinder, and the blocking air cylinder is provided with proximity switches side by side on one side.

[0013] Preferably, the safety doors are provided at the front and rear ends of the rack, the safety doors are provided with protective mesh plates, one end of the safety door is movably connected with the rack through a hinge, and the other end of the safety door is provided with a latch.

[0014] Preferably, the grating is symmetrically mounted on the two inner side walls of the feeding channel.

[0015] Compared with the prior art, the utility model has the advantages that: the utility model discloses introduce detection robot and camera, realized the automatic detection to the missing parts of vehicle air conditioner box, improved detection efficiency and accuracy greatly, reduced the dependence of manual identification, reduced labor intensity, also avoided the detection failure caused by human factors, the smooth conveying and accurate positioning of the air conditioner box in the detection process are realized by using the speed chain conveying line, the top lifting assembly, the first speed chain blocking assembly and the second speed chain blocking assembly, the overall efficiency of the production line is improved, and the production cost is reduced by reducing manual intervention, the rack adopts the frame structure and is provided with the protective mesh plate, so that the stability of the equipment is enhanced, and necessary safety protection is provided, the lifting cylinder, the floating joint, the guide shaft and the stroke limiting plate and other components in the top lifting assembly ensure the stable lifting and accurate positioning of the lifting plate, and a stable operation platform is provided for the detection process, the industrial personal computer serves as the control center, can flexibly adjust the working state of each component, and can be functionally expanded or adjusted according to actual needs, so that the adaptability and flexibility of the equipment are improved, the defective product can be effectively avoided from flowing into the market through the missing part detection mechanism, so that the product quality is improved, and the market competitiveness and brand reputation of the enterprise are enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 a 、 1b It is the structure schematic view of the utility model;

[0017] Figure 2 It is the internal structure schematic view of the utility model;

[0018] Figure 3 It is the structure schematic view of the top lifting assembly of the utility model;

[0019] Figure 4 It is the bottom structure schematic view of the top lifting assembly of the utility model;

[0020] Figure 5 is the structural schematic diagram of the detection robot of the utility model;

[0021] Figure 6 is the structural schematic diagram of the first speed chain blocking assembly of the utility model.

[0022] Wherein: 1, rack; 2, protective net board; 3, feed channel; 4, discharge channel; 5, speed chain conveying line; 6, tooling bottom plate; 7, air conditioning box; 8, jacking assembly; 801, fixed frame; 802, table board; 803, lifting plate; 804, lifting cylinder; 9, first speed chain blocking assembly; 901, fixed plate; 902, blocking cylinder; 903, proximity switch; 10, second speed chain blocking assembly; 11, wear-resistant strip; 12, first limit slot; 13, second limit slot; 14, detection robot; 15, fixed seat; 16, support plate; 17, camera; 18, industrial control integrated machine; 19, linear bearing; 20, guide shaft; 21, stroke limit plate; 22, hydraulic buffer; 23, limit column; 24, diamond positioning pin; 25, equal-height support column; 26, heavy-load shockproof foot cup; 27, inclined support bracket; 28, safety door; 29, hinge; 30, bolt lock; 31, grating. DETAILED DESCRIPTION

[0023] The utility model will be further explained in detail in combination with the drawings.

[0024] Please combine with reference to Fig. 1 to Figure 6 To achieve the above object, the utility model provides the following technical scheme:

[0025] The utility model provides a kind of vehicle air conditioning box missing part detection mechanism, including rack 1;Rack 1 is frame structure, wherein rack 1 is installed with protective net board 2 around;Rack 1 left side below is equipped with feeding passage 3, wherein rack 1 right side below is equipped with with feeding passage 3 corresponding discharge passage 4;Rack 1 below is equipped with speed chain conveying line 5, wherein speed chain conveying line 5 transversely passes through feeding passage 3 and discharge passage 4;Speed chain conveying line 5 is equipped with tool base plate 6, wherein tool base plate 6 is placed with air conditioning box 7 above;Tool base plate 6 is movably connected with speed chain conveying line 5, and tool base plate 6 moves along the direction of conveyance of speed chain conveying line 5;The inner chamber of rack 1 is equipped with jacking assembly 8, wherein jacking assembly 8 is arranged below speed chain conveying line 5, and the top end of jacking assembly 8 is abutted with tool base plate 6;Speed chain conveying line 5 is equipped with first speed chain blocking assembly 9 close to one end of feeding passage 3, wherein speed chain conveying line 5 is equipped with second speed chain blocking assembly 10 close to one end of discharge passage 4, and first speed chain blocking assembly 9 and second speed chain blocking assembly 10 are same in structure;Tool base plate 6 is equipped with wear strip 11 around periphery, wherein tool base plate 6 is equipped with first limiting slot 12 close to one end of first speed chain blocking assembly 9, and tool base plate 6 is equipped with second limiting slot 13 close to one end of second speed chain blocking assembly 10;Rack 1 is equipped with detection robot 14, wherein the fixed end of detection robot 14 is fixedly connected with the inner chamber top wall of rack 1 by fixed seat 15;The mechanical arm end of detection robot 14 is fixedly connected with support plate 16, wherein support plate 16 is installed with camera 17;Rack 1 front end is equipped with industrial computer 18, wherein industrial computer 18 is electrically connected with detection robot 14, camera 17, jacking assembly 8, first speed chain blocking assembly 9 and second speed chain blocking assembly 10 respectively.

[0026] Initial setting and conveying: air conditioning box 7 is placed on tool base plate 6, and tool base plate 6 is movably connected on speed chain conveying line 5;Wherein speed chain conveying line 5 transversely passes through feeding passage 3 and discharge passage 4, is responsible for conveying tool base plate 6 and air conditioning box 7 from feeding passage 3 to discharge passage 4;

[0027] Blocking and limiting: first speed chain blocking assembly 9 is arranged at one end of speed chain conveying line 5 close to feeding passage 3, and second speed chain blocking assembly 10 is arranged at one end of speed chain conveying line 5 close to discharge passage 4, for blocking tool base plate 6 and air conditioning box 7 from further moving until they are lifted by jacking assembly 8;Wherein first limiting slot 12 and second limiting slot 13 are respectively arranged at one end of tool base plate 6 close to first speed chain blocking assembly 9 and second speed chain blocking assembly 10, for cooperating with blocking assembly to realize more accurate positioning;

[0028] Lifting and positioning: when the tooling base plate 6 and the air conditioning box 7 move to the designated position, the lifting assembly 8 located below the double-speed chain conveying line 5 is started to lift the tooling base plate 6 and the air conditioning box 7 to a certain height for detection; the top end of the lifting assembly 8 abuts against the tooling base plate 6 to ensure that the air conditioning box 7 remains stable during the detection process;

[0029] Detection process: the mechanical arm end of the detection robot 14 is fixedly connected with a support plate 16, and a camera 17 is installed on the support plate 16; after the tooling base plate 6 and the air conditioning box 7 are lifted to the specified height, the detection robot 14 is started to take pictures and detect the air conditioning box 7 through the camera 17; the image data captured by the camera 17 is transmitted to the industrial personal computer 18 for processing and analysis to determine whether the air conditioning box 7 has missing parts and other problems;

[0030] Control and feedback: the industrial personal computer 18 serves as the control center of the entire detection mechanism and is electrically connected with the detection robot 14, the camera 17, the lifting assembly 8, the first double-speed chain blocking assembly 9 and the second double-speed chain blocking assembly 10; the industrial personal computer 18 controls the operation of each component according to the image data transmitted by the camera 17, such as starting or stopping the lifting assembly 8, opening or closing the blocking assembly, etc.; after the detection is completed, the industrial personal computer 18 can also feed back the detection results to the operators so that they can take appropriate measures;

[0031] In this embodiment, the missing part detection mechanism for the vehicle air conditioning box 7 realizes the automatic detection and missing part judgment of the vehicle air conditioning box 7 through the cooperative work of the double-speed chain conveying line 5, the lifting assembly 8, the blocking assembly, the detection robot 14 and the industrial personal computer 18; it can effectively prevent defective products from flowing into the market, thereby improving the product quality.

[0032] Please refer to Figure 3 , Figure 4 , as an embodiment of the utility model, the lifting assembly 8 includes a fixed frame 801, wherein the upper end of the fixed frame 801 is provided with a table plate 802; the upper side of the table plate 802 is provided with a lifting plate 803, wherein the lifting cylinder 804 is fixedly installed below the table plate 802; the top end of the piston rod of the lifting cylinder 804 penetrates upward through the table plate 802, wherein the top end of the piston rod is fixedly connected with the bottom of the lifting plate 803 through a floating joint.

[0033] In the above scheme, before starting, the lifting plate 803 is located below the table plate 802 and maintains a certain distance from the tool base plate 6; at this time, the lifting cylinder 804 is in a retracted state, and the piston rod is completely retracted in the cylinder; when the double-speed chain conveying line 5 conveys the tool base plate 6 and the air conditioner box 7 to the designated position, and the second double-speed chain blocking assembly 10 blocks their further movement, the jacking assembly 8 starts to start; the lifting cylinder 804 receives the instruction of the industrial personal computer 18 and pushes the piston rod to move upward; wherein the top end of the piston rod of the lifting cylinder 804 is fixedly connected with the bottom of the lifting plate 803 through a floating joint (not shown in the figure), and the design of the floating joint allows the lifting plate 803 to have a certain floating space during lifting; as the piston rod rises, the lifting plate 803 is smoothly lifted through the floating joint until the predetermined jacking height is reached; when the lifting plate 803 reaches the predetermined height, the lifting cylinder 804 stops and keeps the piston rod in the current position; at this time, the tool base plate 6 and the air conditioner box 7 are stably lifted and are in the shooting range of the detection robot 14; while the lifting plate 803 maintains the jacking state, the detection robot 14 starts to shoot and detect the air conditioner box 7 through the camera 17, and the industrial personal computer 18 analyzes and processes the image data transmitted by the camera 17 to judge whether the air conditioner box 7 has missing parts and the like; after the detection is completed, the industrial personal computer 18 issues an instruction to drive the piston rod to retract, and as the piston rod descends, the lifting plate 803 is smoothly lowered through the floating joint until it returns to the initial position; at this time, the second double-speed chain blocking assembly 10 is opened to allow the tool base plate 6 and the air conditioner box 7 to continue to move along the double-speed chain conveying line 5 to the discharge passage 4; after completing the jacking and descending actions once, the jacking assembly 8 waits for the next tool base plate 6 and air conditioner box 7 and repeats the above process; through the cooperation of the lifting cylinder 804, the floating joint and the lifting plate 803, the jacking assembly 8 realizes the smooth jacking and descending of the tool base plate 6 and the air conditioner box 7, and provides necessary space and support for the shooting and detection of the detection robot 14.

[0034] Please refer to Figure 3 , Figure 4 , as an embodiment of the utility model, the table plate 802 is provided with linear bearings 19 at four corners, wherein each linear bearing 19 is provided with a guide shaft 20; the upper end of the guide shaft 20 is fixedly connected with the bottom of the lifting plate 803, wherein the lower end of the guide shaft 20 is provided with a stroke limiting plate 21; the two ends of the stroke limiting plate 21 are fixedly connected with two adjacent guide shafts 20, wherein the middle of the stroke limiting plate 21 is provided with a hydraulic buffer 22; the bottom of the table plate 802 is provided with a limiting column 23, wherein the limiting column 23 corresponds to the hydraulic buffer 22.

[0035] In the above scheme, four linear bearings 19 are arranged at the four corners of the table board 802, which provide smooth and low-friction movement tracks for the guide shafts 20; the guide shafts 20 vertically pass through the linear bearings 19, with the upper ends fixedly connected to the bottom of the lifting plate 803 to ensure smooth movement of the lifting plate 803 in the vertical direction; the lower ends of the guide shafts 20 are provided with stroke limiting plates 21, which are fixedly connected to two adjacent guide shafts 20 to form a stable frame structure; a hydraulic buffer 22 is arranged at the middle position of the stroke limiting plate 21 to provide buffering when the lifting plate 803 descends to the bottom, reducing impact and vibration; the bottom of the table board 802 is provided with a limiting column 23 corresponding to the hydraulic buffer 22, which is used to limit the lowest position of the lifting plate 803 when descending, ensuring that the hydraulic buffer 22 can be correctly contacted and functioned.

[0036] When the lifting cylinder 804 starts to work, the piston rod of the lifting cylinder 804 pushes the lifting plate 803 to move upwards, and due to the cooperation of the guide shafts 20 and the linear bearings 19, the lifting plate 803 moves stably and accurately in the vertical direction; as the lifting plate 803 rises, the guide shafts 20 and the stroke limiting plate 21 also rise, and when the lifting plate 803 rises to the specified height, the hydraulic buffer 22 on the stroke limiting plate 21 contacts the limiting column 23 at the bottom of the table board 802; the hydraulic buffer 22 absorbs the kinetic energy of the lifting plate 803 driving the stroke limiting plate 21 to rise through the internal hydraulic oil damping effect, converts it into heat energy, thereby slowing down the speed of the lifting plate 803, achieving smooth buffering, and avoiding vibration and noise caused by impact; by setting the stroke limiting plate 21 and the hydraulic buffer 22, the jacking assembly 8 can provide effective protection and buffering when the lifting plate 803 reaches the limit position, preventing damage or accidents caused by overshoot; the cooperation of the linear bearings 19 and the guide shafts 20 not only improves the stability and precision of the lifting movement, but also reduces friction and wear, prolonging the service life of the equipment.

[0037] Please refer to Figure 3 , as an embodiment of the utility model, two rhombic positioning pins 24 and two equal-height struts 25 are arranged at the top four corners of the lifting plate 803, wherein the two rhombic positioning pins 24 are diagonally arranged, and the two equal-height struts 25 are also diagonally arranged; the bottom of the tooling bottom plate 6 is provided with two positioning sleeves (not shown in the figure), which are diagonally arranged and matched with the rhombic positioning pins 24.

[0038] In the above scheme, the four corners of the top end of the lifting plate 803 are respectively provided with two rhombic positioning pins 24, which are diagonally arranged, wherein the rhombic positioning pin 24 has a unique geometric shape and can provide positioning function in multiple directions to ensure the accurate position of the tooling base plate 6 on the horizontal plane; two equal-height struts 25 are arranged diagonally opposite to the rhombic positioning pin 24, and the main function of the equal-height strut 25 is to provide stable vertical support to ensure that the tooling base plate 6 remains horizontal during lifting to avoid tilting or shaking; the bottom of the tooling base plate 6 is provided with two positioning sleeves which are also diagonally arranged and matched with the shape of the rhombic positioning pin 24, and the design of the positioning sleeve enables the tooling base plate 6 to be accurately inserted and fixed on the rhombic positioning pin 24 on the lifting plate 803, thereby realizing accurate positioning connection.

[0039] Please refer to Figure 3 、 Figure 4 As an embodiment of the present application, the bottom of the support leg of the fixed frame 801 is respectively provided with a heavy-load shockproof foot cup 26, and the side of the support leg is provided with a diagonal support bracket 27.

[0040] In the above scheme, the heavy-load shockproof foot cup 26 is installed at the bottom of the support leg of the fixed frame 801, and the heavy-load shockproof foot cup 26 serves as a connecting piece between the entire jacking assembly 8 and the ground; wherein the heavy-load shockproof foot cup 26 is usually made of high-strength material, has large carrying capacity and good elasticity, and can absorb and disperse the vibration and impact from the ground; the heavy-load shockproof foot cup 26 can bear the weight of the jacking assembly 8 and the tooling base plate 6, air conditioning box 7 and other components carried thereby, to ensure the stability and safety of the entire structure; when the jacking assembly 8 generates vibration or is subjected to external impact during operation, the heavy-load shockproof foot cup 26 can absorb and disperse these vibrations and impacts, reducing their influence on the jacking assembly 8 and the workpiece; the heavy-load shockproof foot cup 26 usually has an adjusting function, which can adjust the height to keep the jacking assembly 8 in a horizontal state, ensuring the stability of the tooling base plate 6 and the air conditioning box 7 during lifting; the diagonal support bracket 27 is arranged on the side of the support leg of the fixed frame 801, forming a triangular stable structure with the support leg; wherein the diagonal support bracket 27 can enhance the overall stability of the fixed frame 801 to prevent it from tilting when subjected to external force; the diagonal support bracket 27 can disperse the weight of the jacking assembly 8 and the components carried thereby to a larger area, reducing the stress on a single support leg and prolonging its service life; during long-term use, the diagonal support bracket 27 can prevent the fixed frame 801 from deforming or being damaged due to uneven stress.

[0041] Please refer to Figure 2 、 Figure 6As an embodiment of the utility model, the first speed chain blocking assembly 9 comprises a fixed plate 901, wherein the two ends of the fixed plate 901 are fixedly connected with the bottom wall of the speed chain conveying line 5 respectively; the fixed plate 901 is provided with a blocking air cylinder 902, wherein the blocking air cylinder 902 is provided with a proximity switch 903 on one side in parallel (as the structure of the first speed chain blocking assembly and the second speed chain blocking assembly is the same, the embodiment only makes a detailed overview of the structure of the first speed chain blocking assembly, so the structure of the second speed chain blocking assembly is not repeated).

[0042] In the above scheme, the fixed plate 901 is the basic component of the first speed chain blocking assembly 9, the two ends of the fixed plate 901 are fixedly connected with the bottom wall of the speed chain conveying line 5 through bolts respectively, and the design of the fixed plate 901 ensures the stable installation and positioning of the blocking air cylinder 902 and the proximity switch 903; the blocking air cylinder 902 is the core component of the first speed chain blocking assembly 9, wherein the blocking air cylinder 902 realizes the actions of lifting and descending through air pressure control, so as to block or release the tool base plate 6 on the speed chain conveying line 5; the proximity switch 903 is arranged in parallel with the blocking air cylinder 902, and is used for detecting the position of the tool base plate 6; when the tool base plate 6 approaches, the proximity switch 903 will send a signal to control the action of the blocking air cylinder 902; through the accurate control of the blocking air cylinder 902, the accurate blocking and release of the tool base plate 6 can be realized; through the cooperation of the proximity switch 903 and the blocking air cylinder 902, the automatic detection and blocking control of the position of the tool base plate 6 are realized, the automation degree of the conveying line is improved, and strong support is provided for the continuous, efficient and stable operation of the automatic production line.

[0043] Please refer to Figure 1 a 、 1b As an embodiment of the utility model, the two ends of the rack 1 are respectively provided with safety doors 28, wherein the safety doors 28 are provided with protective net plates 2; one end of the safety door 28 is movably connected with the rack 1 through a hinge 29, and the other end of the safety door 28 is provided with a latch lock 30.

[0044] The front and rear ends of the rack 1 are respectively provided with safety doors 28, which are used as protective barriers to protect the operators from being hurt when the machine is running.

[0045] Please refer to Figure 1 a As an embodiment of the present application, gratings 31 are symmetrically installed on the two inner side walls of the feeding channel 3.

[0046] In the above-mentioned scheme, gratings 31 are symmetrically installed on the two inner side walls of the feeding channel 3. The gratings 31 are usually composed of a plurality of infrared emitters and receivers, forming an invisible protective barrier. The emitters and receivers of the gratings 31 are respectively installed on the two sides of the feeding channel 3. When the tool base plate 6 passes through the feeding channel 3, the emitters of the gratings 31 will emit infrared signals, which will be received by the receivers on the opposite side. If the hands or other objects of the operators enter the protective area of the gratings 31, the transmission of the infrared signals will be blocked. At this time, the gratings 31 will immediately send an alarm signal and stop the operation of the speed-up chain conveying line 5. The alarm signal and stop function of the gratings 31 provide timely warning and emergency handling means for the operators, reducing the safety risk.

[0047] Although the specific embodiments of the present application are described above, those skilled in the art should understand that these are only illustrative, and the protection scope of the present application is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of the present application, and such changes and modifications fall within the protection scope of the present application.

Claims

1. A missing part detection mechanism for a vehicle air conditioning case, comprising a frame (1); characterized in that, The rack (1) is in a frame structure, wherein a protective net plate (2) is mounted on the periphery of the rack (1); a feeding channel (3) is arranged below the left side of the rack (1), and a discharging channel (4) corresponding to the feeding channel (3) is arranged below the right side of the rack (1); a speed-up chain conveying line (5) is arranged below the rack (1), wherein the speed-up chain conveying line (5) transversely passes through the feeding channel (3) and the discharging channel (4); a tooling bottom plate (6) is arranged on the speed-up chain conveying line (5), and an air conditioner box (7) is placed above the tooling bottom plate (6); the tooling bottom plate (6) is movably connected with the speed-up conveying line, and the tooling bottom plate (6) moves along the conveying direction of the speed-up chain conveying line (5); a jacking assembly (8) is arranged in the inner cavity of the rack (1), wherein the jacking assembly (8) is arranged below the speed-up chain conveying line (5), and the top end of the jacking assembly (8) abuts against the tooling bottom plate (6); a first speed-up chain blocking assembly (9) is arranged at one end of the speed-up chain conveying line (5) close to the feeding channel (3), wherein a second speed-up chain blocking assembly (10) is arranged at one end of the speed-up chain conveying line (5) close to the discharging channel (4), and the first speed-up chain blocking assembly (9) and the second speed-up chain blocking assembly (10) are the same in structure; wear-resistant strips (11) are respectively arranged around the periphery of the tooling bottom plate (6), wherein a first limiting groove (12) is arranged at one end of the tooling bottom plate (6) close to the first speed-up chain blocking assembly (9), and a second limiting groove (13) is arranged at one end of the tooling bottom plate (6) close to the second speed-up chain blocking assembly (10); a detection robot (14) is arranged in the rack (1), wherein the fixed end of the detection robot (14) is fixedly connected with the top wall in the inner cavity of the rack (1) through a fixing seat (15); a support plate (16) is fixedly connected to the mechanical arm end of the detection robot (14), wherein a camera (17) is mounted on the support plate (16); an industrial computer (18) is arranged at the front end of the rack (1), wherein the industrial computer (18) is electrically connected with the detection robot (14), the camera (17), the jacking assembly (8), the first speed-up chain blocking assembly (9) and the second speed-up chain blocking assembly (10).

2. The missing component detection mechanism for a vehicle air conditioning case according to claim 1, characterized by, The jacking assembly (8) comprises a fixing frame (801), wherein a table plate (802) is arranged at the upper end of the fixing frame (801); a lifting plate (803) is arranged above the table plate (802), wherein a lifting cylinder (804) is fixedly installed below the table plate (802); the piston rod top end of the lifting cylinder (804) penetrates the table plate (802) upward, wherein the piston rod top end is fixedly connected with the bottom of the lifting plate (803) through a floating joint.

3. The missing component detection mechanism for a vehicle air conditioning case according to claim 2, characterized in that, The four corner positions of the table board (802) are respectively provided with linear bearings (19), wherein each linear bearing (19) is provided with a guide shaft (20); the upper end of the guide shaft (20) is fixedly connected with the bottom of the lifting plate (803), wherein the lower end of the guide shaft (20) is provided with a stroke limiting plate (21); the two ends of the stroke limiting plate (21) are respectively fixedly connected with two adjacent guide shafts (20), wherein the middle of the stroke limiting plate (21) is provided with a hydraulic buffer (22); the bottom of the table board (802) is provided with a limiting column (23), wherein the limiting column (23) corresponds to the hydraulic buffer (22).

4. The missing component detection mechanism for a vehicle air conditioning unit according to claim 2, wherein The top end of the lifting plate (803) is provided with two rhombic positioning pins (24) and two equal-height support columns (25) at the four corner positions, wherein the two rhombic positioning pins (24) are diagonally arranged, and the two equal-height support columns (25) are diagonally arranged.

5. The missing component detection mechanism for a vehicle air conditioning unit according to claim 1, wherein The bottom of the tool bottom plate (6) is provided with two positioning sleeves, wherein the positioning sleeves are diagonally arranged and respectively matched with the rhombic positioning pins (24).

6. The missing component detection mechanism for a vehicular air conditioning unit of claim 2, wherein, The bottom parts of the support legs of the fixed frame (801) are respectively provided with heavy-load shockproof leg cups (26), wherein the side parts of the support legs are provided with inclined support brackets (27).

7. The missing component detection mechanism for a vehicle air conditioning unit according to claim 1, wherein The first speed-up chain blocking assembly (9) comprises a fixed plate (901), wherein the two ends of the fixed plate (901) are respectively fixedly connected with the bottom wall of the speed-up chain conveying line (5); the fixed plate (901) is provided with a blocking air cylinder (902), wherein the blocking air cylinder (902) is provided with a proximity switch (903) on one side.

8. The missing component detection mechanism for a vehicle air conditioning unit according to claim 1, wherein The front and rear ends of the rack (1) are respectively provided with safety doors (28), wherein the safety doors (28) are provided with protective mesh plates (2); one end of the safety door (28) is movably connected with the rack (1) through a hinge (29), wherein the other end of the safety door (28) is provided with a latch lock (30).

9. The missing component detection mechanism for a vehicle air conditioning unit according to claim 1, wherein The two inner side walls of the feeding channel (3) are symmetrically provided with gratings (31).

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