Automatic assembly production equipment for automobile trunk lock

By designing automated turntables, torsion spring conveyors, and energy storage mechanisms, efficient and reliable assembly of automotive tailgate lock torsion springs has been achieved. This solves the problems of low efficiency and damage in manual and semi-automatic methods, improves assembly quality, and reduces costs.

CN224254708UActive Publication Date: 2026-05-19WENZHOU MALIANG INTELLIGENT TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
WENZHOU MALIANG INTELLIGENT TECHNOLOGY CO LTD
Filing Date
2025-05-22
Publication Date
2026-05-19

AI Technical Summary

Technical Problem

In the existing technology, the installation of the trunk lock torsion spring of a car mainly relies on manual or semi-automatic methods, which leads to low efficiency and easy damage, affecting the assembly quality and overall performance.

Method used

An automated assembly production equipment was designed, comprising a rotatable turntable, a torsion spring conveying mechanism, an energy storage mechanism, and an assembly mechanism. Through step-by-step energy storage and lifting motion, the automated and non-destructive assembly of torsion springs is achieved.

Benefits of technology

It improved assembly efficiency, prevented damage to torsion springs, reduced assembly difficulty, improved assembly quality, and reduced manufacturing costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses automatic assembly production equipment for an automobile trunk lock, which comprises a rotatable rotating disc and a non-rotating supporting disc arranged on the rotating disc, the rotating disc is provided with a plurality of material discs along the circumferential direction, and the material discs are arranged on the rotating disc. The material disc is provided with a profiled groove allowing the lock body shell to enter and a column body capable of doing lifting motion, a protruding part is arranged on one side of the column body, an inclined guide face is arranged at one end of the protruding part, and top plates are arranged on the two inner sides of the column body; the system further comprises; and the torsion spring conveying mechanism is used for clamping and conveying torsion spring materials and sleeving the torsion spring materials on the column body. Through the torsion spring energy storage mechanism and the torsion spring assembling mechanism, manual installation is effectively replaced, the assembling efficiency is improved, damage to the torsion spring caused by equipment is avoided, the total size of the mechanism is reduced through the staged assembling design, overhauling is convenient, and the product has the advantages that the assembling difficulty is reduced, the assembling quality is improved, and the manufacturing cost is reduced.
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Description

Technical Field

[0001] This utility model relates to the field of production equipment technology, and in particular to an automatic assembly production equipment for automobile tailgate locks. Background Technology

[0002] With the rapid development of the automotive industry, the demand for automated assembly of automotive parts is increasing. As a crucial component of automobiles, the assembly efficiency and quality of the trunk lock directly impact production efficiency and product quality. Currently, the installation of torsion springs in the assembly process of trunk locks mainly relies on manual or semi-automatic methods. However, due to its unique structure, the torsion spring presents numerous inconveniences during installation.

[0003] In existing technologies, the installation of torsion springs often requires manual operation, which is inefficient. Using semi-automatic assembly equipment can easily damage the torsion springs, leading to deformation or reduced elasticity, thus affecting their normal function. Furthermore, due to the complexity of the mechanical structure of semi-automatic assembly equipment, the assembly quality of the torsion springs is difficult to guarantee, easily resulting in improper assembly, which in turn affects the overall performance and reliability of the car trunk lock. Therefore, developing an automated, efficient, and reliable production line for assembling torsion springs for car trunk locks has become an urgent problem to be solved in the automotive manufacturing industry. Summary of the Invention

[0004] The purpose of this invention is to overcome the shortcomings of the above-mentioned background technology design and to provide a product that reduces assembly difficulty and improves assembly quality.

[0005] To solve the above problems, the present invention adopts the following technical solution.

[0006] An automated assembly production equipment for car trunk locks includes a rotatable turntable and a non-rotating support plate mounted thereon. The turntable has several material trays arranged circumferentially, each material tray having a groove for receiving the lock body shell and a column capable of lifting and lowering. One side of the column has a protrusion, and one end of the protrusion has an inclined guide surface. The column has top plates on both inner sides. The equipment also includes a torsion spring conveying mechanism for clamping, conveying, and mounting torsion spring materials onto the column; and a torsion spring energy storage mechanism, which includes a clamping block and a rotatable energy storage device mounted above it. The column has a clamping block fitted onto it and abutting against the end face of the torsion spring. The energy storage column has a pushing part located on one side of the clamping block. When the energy storage column rotates, the pushing part pushes the lever arm of the torsion spring along the guide surface, causing it to abut against the other end of the protrusion. A torsion spring assembly mechanism is provided on the support plate. The torsion spring assembly mechanism includes a vertically oriented assembly slider that moves laterally, and a liftable first support sleeve mounted on it. A liftable second support sleeve is provided inside the first support sleeve. The first support sleeve is fitted onto the outer wall of the torsion spring and has a clearance groove to avoid the protrusion and lever arm. The second support sleeve has a corresponding receiving part for the protrusion and is located on the inner wall of the protrusion. When the first support sleeve applies a downward force to the column to make it descend, the top plate pushes the torsion spring into the receiving part. The torsion spring pressing mechanism is used to press the torsion spring completely into a designated position inside the lock body shell. The latch assembly mechanism is used to fit the latch material onto the lock body shell. The anti-disengagement mechanism is used to prevent the latch from disengaging. The anti-disengagement mechanism is provided on the support and on the opposite side of the torsion spring pressing mechanism. The snap ring assembly mechanism is used to engage the snap ring material at the upper end of the latch and prevent the latch from disengaging. The latch assembly mechanism is used to assemble the latch material onto the latch and apply downward pressure to it. The latch bearing mechanism is used to prevent the latch from deforming under pressure. The latch bearing mechanism is provided on the support plate. Beneficial effects

[0007] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0008] This invention uses a clamping block to prevent the torsion spring from detaching from the column during energy storage. A pushing part raises the lever arm step-by-step along the guide surface and guides it to the other end of the protrusion, allowing the two lever arms to interact at both ends of the protrusion to complete energy storage. A liftable column and a first support sleeve prevent the torsion spring from detaching during energy release. A top plate, in conjunction with the first support sleeve, allows the stored torsion spring to enter the second support sleeve, where a receiving part maintains its energy storage state. Finally, an assembly slider moves the torsion spring to the upper end of the lock body shell. As the first support sleeve descends, the stored torsion spring is smoothly pushed into the lock body shell, completing the assembly. This mechanism effectively replaces manual installation, improving assembly efficiency. It also avoids damage to the torsion spring during assembly caused by semi-automatic equipment. Furthermore, the phased assembly design reduces the overall volume of the torsion spring assembly mechanism, facilitating maintenance. This results in a product with advantages such as reduced assembly difficulty, improved assembly quality, and reduced manufacturing costs. Attached Figure Description

[0009] Figure 1 This is a schematic diagram of the structure of an automatic assembly production equipment for automobile tailgate locks according to this utility model;

[0010] Figure 2 This is a schematic diagram of the material tray structure of an automatic assembly production equipment for automobile tailgate locks according to this utility model;

[0011] Figure 3 This is a schematic diagram of the torsion spring conveying mechanism of an automatic assembly production equipment for automobile tailgate locks according to this utility model;

[0012] Figure 4 This is a schematic diagram of the torsion spring energy storage mechanism of an automatic assembly production equipment for automobile tailgate locks according to this utility model;

[0013] Figure 5 This is an internal schematic diagram of the torsion spring energy storage mechanism of an automatic assembly production equipment for automobile tailgate locks according to this utility model.

[0014] Figure 6 This utility model Figure 5 A partial enlarged view A of an automated assembly production equipment for automobile tailgate locks;

[0015] Figure 7 This is a schematic diagram of the torsion spring assembly mechanism of an automatic assembly production equipment for automobile tailgate locks according to this utility model.

[0016] Figure 8 This is a schematic diagram of the support sleeve of an automatic assembly production equipment for automobile tailgate locks according to this utility model;

[0017] Figure 9 This is a schematic diagram of the torsion spring pressing mechanism of an automatic assembly production equipment for automobile tailgate locks according to this utility model;

[0018] Figure 10This is a schematic diagram of the lock tongue assembly mechanism and anti-detachment mechanism of an automatic assembly production equipment for automobile tailgate locks according to this utility model.

[0019] Figure 11 This is a schematic diagram of the snap ring assembly mechanism of an automatic assembly production equipment for automobile tailgate locks according to this utility model;

[0020] Figure 12 This is a schematic diagram of the internal structure of the latch assembly mechanism and latch pressure bearing mechanism of an automatic assembly production equipment for automobile tailgate locks according to this utility model. Figure 1 ;

[0021] Figure 13 This is a schematic diagram of the internal structure of the latch assembly mechanism and latch pressure bearing mechanism of an automatic assembly production equipment for automobile tailgate locks according to this utility model. Figure 2 ;

[0022] Figure 14 This utility model Figure 13 A partial enlarged view (B) of an automated assembly production equipment for automobile tailgate locks;

[0023] The correspondence between the labels and component names in the attached figures is as follows:

[0024] Reference numerals: 1. Rotating disk; 2. Torsion spring conveying mechanism; 3. Torsion spring energy storage mechanism; 4. Torsion spring assembly mechanism; 5. Torsion spring pressing mechanism; 6. Locking tongue assembly mechanism; 7. Anti-detachment mechanism; 8. Snap ring assembly mechanism; 9. Locking buckle assembly mechanism; 10. Locking tongue pressure bearing mechanism;

[0025] 11. Support plate; 12. Material tray; 13. Groove; 14. Column; 15. Top plate; 16. Sensor;

[0026] 141. Protrusion; 142. Guide surface;

[0027] 21. Torsion spring vibratory guide rail; 22. Conveyor support; 23. Conveyor cylinder; 24. Material receiving block; 25. Conveyor slider; 26. Conveyor telescopic cylinder; 27. Conveyor clamping cylinder; 28. Conveyor lifting cylinder;

[0028] 241. First groove; 242. Ejector part; 243. Pressing cylinder; 244. Limiting part;

[0029] 31. Clamping block; 32. Energy storage column; 33. Energy storage bracket; 34. Energy storage slider; 35. Rotating bracket; 37. Energy storage lifting cylinder; 38. Drive cylinder; 39. Rack and pinion;

[0030] 311. Compression sleeve;

[0031] 321. Propulsion unit; 322. Gear;

[0032] 41. Assemble the slider; 42. First support sleeve; 43. Second support sleeve; 44. Assemble the telescopic cylinder; 45. Assemble the first lifting cylinder; 46. Assemble the second lifting cylinder; 47. Assemble the bracket;

[0033] 421. Leaving slot;

[0034] 431. Receiving Department;

[0035] 51. Press in the bracket; 52. Press in the slider; 53. Press in the lifting cylinder; 54. Press in the sleeve;

[0036] 61. Lock tongue vibration guide rail; 62. Lock tongue receiving block; 63. Clamping bracket; 64. Lock tongue lifting cylinder; 65. Lock tongue slider; 66. Lock tongue telescopic cylinder; 67. Lock tongue clamping cylinder;

[0037] 621. Stop block; 622. Stop cylinder;

[0038] 71. Snap ring bracket; 72. Snap ring lifting cylinder; 73. Guide plate; 74. Snap ring component rack; 75. Push block; 76. Snap ring telescopic cylinder;

[0039] 731. Extension; 732. First guide groove; 733. Second guide groove;

[0040] 81. Locking vibrating guide rail; 82. Locking receiving block; 83. Locking conveying bracket; 84. Locking slider; 85. Locking telescopic cylinder; 86. Locking clamping cylinder; 87. Locking pressing slider;

[0041] 821. Second groove; 822. Material telescopic cylinder;

[0042] 871. Pivot sleeve;

[0043] 91. Anti-detachment telescopic cylinder; 92. Anti-detachment plate; 93. Guide hole;

[0044] 101. Pressure-bearing telescopic cylinder; 102. Locking tongue pressure block; 103. Third groove. Detailed Implementation

[0045] The technical solution of this utility model will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0046] In the description of this utility model, it should be understood that the terms "upper", "lower", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0047] In this embodiment of the utility model, "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent three situations: A exists alone, A and B exist simultaneously, and B exists alone. Additionally, the character " / " in this document generally indicates that the preceding and following related objects have an "or" relationship.

[0048] Reference example Figures 1 to 14An automatic assembly production equipment for car trunk locks includes a rotatable rotating disk 1 and a non-rotating support disk 11 mounted thereon. The rotating disk 1 has several material trays 12 arranged along its circumference. Each material tray 12 has a groove 13 for receiving the lock body shell and a column 14 capable of lifting and lowering. One side of the column 14 has a protrusion 141, and one end of the protrusion 141 has an inclined guide surface 142. Top plates 15 are provided on both inner sides of the column 14. The equipment also includes a torsion spring conveying mechanism 2 for clamping, conveying, and mounting torsion spring materials onto the column 14; and a torsion spring energy storage mechanism 3, which includes a clamping block 31 and a rotatable energy storage column 32 mounted above it. A clamping block 31 is fitted onto the column 14 and abuts against the end face of the torsion spring. The energy storage column 32 is provided with a pushing part 321 and is located on one side of the clamping block 31. When the energy storage column 32 rotates, the pushing part 321 pushes the lever arm of the torsion spring along the guide surface 142, so that it abuts against the other end of the protrusion 141. The torsion spring assembly mechanism 4 is provided on the support plate 11. The torsion spring assembly mechanism 4 includes an assembly slider 41 that is vertical and moves laterally, and a liftable first support sleeve 42 provided thereon. A liftable second support sleeve 43 is provided inside the first support sleeve 42. The first support sleeve 42 is fitted onto the outer wall of the torsion spring. The first support sleeve 42 is provided with a relief groove 421 to avoid the protrusion 141 and the lever arm. The second support sleeve 43 is provided with a receiving portion 431 corresponding to the protrusion 141 and is located on the inner wall of the protrusion 141. When the first support sleeve 42 applies a downward force to the column 14 to make it descend, the top plate 15 pushes the torsion spring into the receiving portion 431. The torsion spring pressing mechanism 5 is used to press the torsion spring completely into the designated position inside the lock body shell. The latch assembly mechanism 6 is used to fit the latch material onto the lock body shell. The anti-disengagement mechanism 7 is used to prevent the latch from disengaging. The anti-disengagement mechanism 7 is provided on the support and on the opposite side of the torsion spring pressing mechanism 5. The snap ring assembly mechanism 8 is used to engage the snap ring material at the upper end of the latch and prevent the latch from disengaging. The latch assembly mechanism 9 is used to assemble the latch material onto the latch and apply downward pressure to it. The latch bearing mechanism 10 is used to prevent the latch from deforming due to pressure. The latch bearing mechanism 10 is provided on the support plate 11 and on the opposite side of the latch assembly mechanism 9.

[0049] It is worth mentioning that the support plate 11 is also equipped with a sensor 16, which is used to detect whether there is a lock body shell in the groove 13. The sensor 16 is set in the process before the torsion spring conveying mechanism 2. When the sensor 16 detects that there is no lock body shell in the groove 13, the torsion spring conveying mechanism 2 in the next process and the mechanism in the subsequent process will not operate. The lock body shell in the groove 13 can be manually installed or automatically clamped and installed in the previous process, depending on the customer or actual needs. When the lock body shell is manually installed, a conveyor belt is provided on one side of the rotating plate 1 to continuously transport the lock body shell to the worker.

[0050] The working principle of this utility model is described as follows:

[0051] It is worth mentioning that the torsion spring conveying mechanism 2 includes a torsion spring vibrating guide rail 21, a conveying bracket 22 and a conveying cylinder 23 located thereon. The conveying cylinder 23 is provided with a material receiving block 24 and is located at the outlet of the torsion spring vibrating guide rail 21. The material receiving block 24 is provided with a first groove 241 for accommodating the torsion spring. The first groove 241 is provided with a lifting and lowering top part 242. A pressing cylinder 243 is provided on one side of the material receiving block 24. The pressing cylinder 243 is provided with a limiting part 244 for fixing the torsion spring. The conveying bracket 22 is provided with a vertical conveying slider 25 that moves laterally. The conveying bracket 22 is provided with a conveying telescopic cylinder 26 for driving the conveying slider 25 to move. The conveying slider 25 is provided with a lifting and rotating conveying clamping cylinder 27. A conveying lifting cylinder 28 for driving the conveying clamping cylinder 27 to move is provided above it.

[0052] This is the first process. The torsion spring vibrating guide rail 21 moves the torsion spring material to the first groove 241. The top part 242 restricts the torsion spring material from moving further. Then, the clamping cylinder 243 operates, and the limiting part 244 and the first groove 241 form a clamping force on the torsion spring material. After the torsion spring material is fixed, the torsion spring vibrating guide rail 21 stops operating, the conveying cylinder 23 operates, and the material receiving block 24 moves to below the conveying clamping cylinder 27. The conveying lifting cylinder 28 drives the conveying clamping... Cylinder 27 descends, pushing the top material part 242 down and clamping the torsion spring. Then it rises and resets. The top material part 242 automatically rises and resets. Conveying telescopic cylinder 26 drives the conveying slider 25 to move. During its movement, conveying clamping cylinder 27 rotates to adjust the lever arm position of the torsion spring. When the conveying clamping cylinder 27 moves above the column 14, the conveying lifting cylinder 28 drives it down to put the torsion spring on the column 14. Finally, the cylinder resets, preparing for the next material conveying.

[0053] It is worth mentioning that the torsion spring energy storage mechanism 3 includes an energy storage bracket 33, which is provided with an energy storage slider 34 that is vertical and moves laterally. The energy storage slider 34 is provided with a liftable rotating bracket 35. The energy storage slider 34 is provided with an energy storage lifting cylinder 37 that drives the rotating bracket 35 to move up and down. The clamping block 31 is connected and fixed to the rotating bracket 35. The clamping block 31 is provided with a clamping sleeve 311. The pushing part 321 is provided between the clamping sleeve 311 and the protrusion 141. The energy storage column 32 is provided with a gear 322 and is pivotally provided in the rotating bracket 35. The rotating bracket 35 is also provided with a drive cylinder 38. The drive cylinder 38 is provided with a rack 39 and meshes with the gear 322.

[0054] This is the second process. The energy storage lifting cylinder 37 drives the rotating bracket 35 to descend, and the clamping block 31 descends along with it, so that the clamping sleeve 311 is fitted onto the column 14. As the drive cylinder 38 runs, it drives the gear 322 to rotate through the rack 39, which in turn drives the energy storage column 32 to rotate together. The push part 321 pushes one of the arms of the torsion spring to gradually rise along the guide part, so that the other arm of the torsion spring gradually approaches the protrusion 141, so that the torsion spring gradually stores energy until the two arms interact with the two ends of the protrusion 141 to complete the energy storage. Then, the cylinder is reset.

[0055] It is worth mentioning that the torsion spring assembly mechanism 4 includes an assembly bracket 47, an assembly slider 41 is slidably disposed on the assembly bracket 47, an assembly telescopic cylinder 44 is provided on one side of the assembly bracket 47 to drive the assembly slider 41, and the assembly slider 41 is provided with a first assembly lifting cylinder 45 and a second assembly lifting cylinder 46 to drive the first support sleeve 42 and the second support sleeve 43 to move respectively.

[0056] This is the third step. The telescopic cylinder 44 pushes the assembly slider 41, positioning the first support sleeve 42 and the second support sleeve 43 above the column 14. The first assembly lifting cylinder 45 and the second assembly lifting cylinder 46 drive the first support sleeve 42 and the second support sleeve 43 downwards. The receiving part 431 first enters between the two lever arms, and the receiving part 431 is also located on the inner wall of the protrusion 141. Subsequently, the first support sleeve 42 applies downward pressure to the column 14, and the relief groove 421 applies downward force to the protrusion 141, causing the column 14 to descend. During the descent of column 14, top plate 15 remains stationary, thereby pushing the torsion spring in the stored state into the second support sleeve 43. Subsequently, the first assembly lifting cylinder 45 and the second assembly lifting cylinder 46 reset and rise. The assembly telescopic cylinder 44 pushes the assembly slider 41, so that the first assembly lifting cylinder 45 and the second assembly lifting cylinder 46 are located above the lock body shell. Then, the second support sleeve 43 descends first and is fitted onto the rod of the lock body shell. Then, the first support sleeve 42 descends, pushing the lever arm and torsion spring into the rod. Finally, the cylinders reset.

[0057] It is worth mentioning that the torsion spring pressing mechanism 5 includes a pressing bracket 51, the pressing bracket 51 is provided with a pressing slider 52 that can be raised and lowered, the pressing bracket 51 is provided with a pressing lifting cylinder 53 that drives the pressing slider 52 to move, and the pressing slider 52 is provided with a pressing sleeve 54. This is the fourth process. The pressing lifting cylinder 53 drives the pressing slider 52 to descend, and the torsion spring is completely pressed into the rod through the pressing sleeve 54.

[0058] It is worth mentioning that the latch assembly mechanism 6 includes a latch vibration guide rail 61, a latch receiving block 62 is provided at the outlet of the latch vibration guide rail 61, a stop block 621 is provided on one side of the latch receiving block 62, a stop cylinder 622 is provided below the latch vibration guide rail 61 to drive the stop block 621 to move, a liftable clamping bracket 63 is provided on one side of the latch vibration guide rail 61, a latch lifting cylinder 64 is provided below the clamping bracket 63 to drive its movement, a latch slider 65 that performs telescopic movement is provided on the clamping bracket 63, a latch telescopic cylinder 66 that drives the latch slider 65 is provided on the clamping bracket 63, and a latch clamping cylinder 67 is provided on the latch slider 65.

[0059] This is the fifth process. The stop cylinder 622 pushes the stop block 621 to form a closed feeding channel with the lock tongue vibration guide rail 61 to prevent the lock tongue part from falling off. The lock tongue extension cylinder 66 drives the lock tongue slider 65 to move the lock tongue clamping cylinder 67 to one side of the lock tongue part. When the lock tongue clamping cylinder 67 clamps the lock tongue part, at the same time, the stop cylinder 622 drives the stop block 621 away from the feeding channel. At this time, the clamped lock tongue part is in a free-moving state. Then, the lock tongue lifting cylinder 64 pushes the clamping cylinder to rise. The lock tongue extension cylinder 66 drives the lock tongue clamping cylinder 67 to move the clamped lock tongue part to the top of the rod of the lock body shell. Immediately afterwards, the lock tongue lifting cylinder 64 descends and puts the lock tongue part into the rod. The lock tongue clamping cylinder 67 releases, completing the assembly of the lock tongue.

[0060] It is worth mentioning that the snap ring assembly mechanism 8 includes a liftable snap ring bracket 71. A snap ring lifting cylinder 72 is provided below the snap ring bracket 71 to drive its movement. The snap ring bracket 71 is provided with a guide plate 73. The guide plate 73 is provided with an extension 731 and is sleeved on the rod part of the lock body shell. The guide plate 73 is provided with a first guide groove 732. A second guide groove 733 is provided on one side of the guide plate 73. The second guide groove 733 is provided with a snap ring component holder 74, and a gap is left between the second guide groove 733 and the holder 74 for a single snap ring component. The first guide groove 732 and the second guide groove 733 are provided with a retractable push block 75. The snap ring bracket 71 is provided with a snap ring telescopic cylinder 76 to drive the push block 75 to move.

[0061] This is the sixth process. The snap ring lifting cylinder 72 descends, so that the extension 731 is fitted onto the rod. The push block 75 in the second guide groove moves first, pushing a single snap ring component into the first guide groove 732. After the push block 75 retracts, multiple snap ring components on the snap ring component holder 74 fall automatically under the influence of gravity to fill the missing gaps. Then, the push block 75 in the first guide groove pushes the snap ring component along the preset trajectory into the rod, so that the snap ring acts on the rod to prevent the locking tongue from disengaging. Then the cylinder resets.

[0062] It is worth mentioning that the latch assembly mechanism 9 includes a latch vibration guide rail 81. The latch vibration guide rail 81 has a latch receiving block 82 that can move back and forth at its outlet. The latch receiving block 82 has a second groove 821 for accommodating the latch. The latch vibration guide rail 81 has a material telescopic cylinder 822 for driving the latch receiving block 82 below it. The latch vibration guide rail 81 has a latch conveying bracket 83 on one side. The latch conveying bracket 83 has a latch slider 84 that moves vertically and laterally. The latch conveying bracket 83 has a latch telescopic cylinder 85 for driving the latch slider 84. The latch slider 84 has a latch clamping cylinder 86 that can be raised and lowered. The latch vibration guide rail 81 has a latch pressing slider 87 that can be raised and lowered. The latch pressing slider 87 has a fulcrum sleeve 871 that abuts against the latch tongue.

[0063] This is the seventh process. After the locking vibrating guide rail 81 moves the locking component to the second groove 821, the locking vibrating guide rail 81 stops running. The material telescopic cylinder 822 drives the locking receiving block 82 to move it to the bottom of the locking clamping cylinder 86. The locking clamping cylinder 86 descends and clamps the locking component, then returns to its original position and rises. The locking telescopic cylinder 85 drives the locking slider 84 to move the locking clamping cylinder 86 to the top of one end of the locking tongue. At the same time, the locking pressing slider 87 drives the fulcrum sleeve 871 to enter the fixed limit position on one end of the locking tongue and is sleeved on the rod part of the lock body shell. The locking clamping cylinder 86 descends and presses the locking component into the other end of the locking tongue. Then the cylinder returns to its original position.

[0064] It is worth mentioning that the anti-detachment mechanism 7 includes an anti-detachment telescopic cylinder 91, the anti-detachment telescopic cylinder 91 is provided with an anti-detachment plate 92, the anti-detachment plate 92 is provided with a guide hole 93 with a notch for the lock tongue to pass through; the lock tongue bearing mechanism 10 includes a bearing telescopic cylinder 101, the bearing telescopic cylinder 101 is provided with a lock tongue bearing block 102, the lock tongue bearing block 102 is provided with a third groove 103 to avoid the lock buckle;

[0065] While the latch clamping cylinder 67 clamps the latch component, the anti-disengagement telescopic cylinder 91 drives the anti-disengagement plate 92 to move above the lock body shell. During the latch assembly process, the guide hole 93 ensures that the latch and the rod are on the same axis. While the latch clamping cylinder 86 clamps the latch component, the pressure-bearing telescopic cylinder 101 drives the latch bearing block 102 to move below the other end of the latch to provide support for the latch and prevent the latch from deforming due to the downward pressure. The third groove 103 avoids interfering with the normal assembly of the latch on the latch.

[0066] The above design scheme can achieve the advantages of reducing assembly difficulty, improving assembly quality, and reducing manufacturing costs.

[0067] The above description, in conjunction with specific embodiments, provides a further detailed explanation of the present utility model. It should not be construed that the specific implementation of the present utility model is limited to these descriptions. For those skilled in the art, several simple deductions or substitutions can be made without departing from the concept of the present utility model, and all such deductions or substitutions should be considered to fall within the scope of protection defined by the claims submitted by the present utility model.

Claims

1. An automatic assembly production equipment for automobile trunk locks, comprising a rotatable rotating disk (1) and a non-rotating support disk (11) disposed thereon, wherein the rotating disk (1) is provided with a plurality of material trays (12) along the circumferential direction, characterized in that: The material tray (12) is provided with a groove (13) for receiving the lock body shell and a column (14) that can move up and down. A protrusion (141) is provided on one side of the column (14), and an inclined guide surface (142) is provided at one end of the protrusion (141). Top plates (15) are provided on both inner sides of the column (14). Also includes; Torsion spring conveying mechanism (2) is used to clamp and convey torsion spring materials and sleeve them on the column (14); The torsion spring energy storage mechanism (3) includes a clamping block (31) and an energy storage column (32) disposed above it and rotatable. The clamping block (31) is sleeved on the column (14) and abuts against the end face of the torsion spring. The energy storage column (32) is provided with a pushing part (321) and is located on one side of the clamping block (31). When the energy storage column (32) rotates, the pushing part (321) pushes the lever arm of the torsion spring along the guide surface (142) so that it abuts against the other end of the protrusion (141). A torsion spring assembly mechanism (4) is provided on a support plate (11). The torsion spring assembly mechanism (4) includes an assembly slider (41) that is vertical and moves laterally, and a liftable first support sleeve (42) provided thereon. The first support sleeve (42) is provided with a liftable second support sleeve (43). The first support sleeve (42) is sleeved on the outer wall of the torsion spring. The first support sleeve (42) is provided with a relief protrusion (141) and a relief groove (421) for the lever arm. The second support sleeve (43) is provided with a receiving part (431) corresponding to the protrusion (141) and is located on the inner wall of the protrusion (141). When the first support sleeve (42) applies a downward force to the column (14) to make it descend, the top plate (15) pushes the torsion spring into the receiving part (431). The torsion spring pressing mechanism (5) is used to press the torsion spring completely into a designated position inside the lock body housing; The latch assembly mechanism (6) is used to fit the latch material onto the lock body shell; Anti-disengagement mechanism (7) is used to prevent the locking tongue from disengaging. The anti-disengagement mechanism (7) is provided on the support and on the opposite side of the torsion spring pressing mechanism (5). The snap ring assembly mechanism (8) is used to engage the snap ring component at the upper end of the latch and prevent the latch from disengaging. The latch assembly mechanism (9) is used to assemble the latch component onto the latch tongue and apply downward pressure to it; The locking tongue bearing mechanism (10) is used to prevent the locking tongue from deforming due to pressure. The locking tongue bearing mechanism (10) is set on the support plate (11).

2. The automatic assembly and production equipment for automobile tailgate locks according to claim 1, characterized in that: The support plate (11) is also equipped with a sensor (16) for detecting whether there is a lock body shell in the detection groove (13). The sensor (16) is set in the process before the torsion spring conveying mechanism (2).

3. The automatic assembly and production equipment for automobile tailgate locks according to claim 1, characterized in that: The torsion spring conveying mechanism (2) includes a torsion spring vibrating guide rail (21), a conveying bracket (22) located thereon, and a conveying cylinder (23). The conveying cylinder (23) is provided with a material receiving block (24) and is located at the outlet of the torsion spring vibrating guide rail (21). The material receiving block (24) is provided with a first groove (241) for accommodating the torsion spring. The first groove (241) is provided with a liftable top part (242). A clamping cylinder (243) is provided on one side of the material receiving block (24). The clamping cylinder (243) is provided with a limiting part (244) for fixing the torsion spring. The conveying bracket (22) is provided with a conveying slider (25) that is vertical and moves laterally. The conveying bracket (22) is provided with a conveying telescopic cylinder (26) for driving the conveying slider (25) to move. The conveying slider (25) is provided with a conveying clamping cylinder (27) that can be lifted and rotated. Above the conveying clamping cylinder (27) is a conveying lifting cylinder (28) that drives its movement.

4. The automatic assembly and production equipment for automobile tailgate locks according to claim 1, characterized in that: The torsion spring energy storage mechanism (3) includes an energy storage bracket (33), which is provided with an energy storage slider (34) that is vertical and moves laterally. The energy storage slider (34) is provided with a liftable rotating bracket (35). The energy storage slider (34) is provided with an energy storage lifting cylinder (37) that drives the rotating bracket (35) to move up and down. The clamping block (31) is connected and fixed to the rotating bracket (35). The clamping block (31) is provided with a clamping sleeve (311). The pushing part (321) is provided between the clamping sleeve (311) and the protrusion (141). The energy storage column (32) is provided with a gear (322) and is pivotally provided in the rotating bracket (35). The rotating bracket (35) is also provided with a drive cylinder (38). The drive cylinder (38) is provided with a rack (39) and meshes with the gear (322).

5. The automatic assembly and production equipment for automobile tailgate locks according to claim 1, characterized in that: The torsion spring assembly mechanism (4) includes an assembly bracket (47), and the assembly slider (41) is slidably disposed on the assembly bracket (47). An assembly telescopic cylinder (44) is provided on one side of the assembly bracket (47) to drive the assembly slider (41). The assembly slider (41) is provided with a first assembly lifting cylinder (45) and a second assembly lifting cylinder (46) to drive the first support sleeve (42) and the second support sleeve (43) to move respectively.

6. The automatic assembly and production equipment for automobile tailgate locks according to claim 1, characterized in that: The torsion spring pressing mechanism (5) includes a pressing bracket (51), which is provided with a pressing slider (52) that can be raised and lowered. The pressing bracket (51) is provided with a pressing lifting cylinder (53) that drives the pressing slider (52) to move. The pressing slider (52) is provided with a pressing sleeve (54).

7. The automatic assembly and production equipment for automobile tailgate locks according to claim 1, characterized in that: The latch assembly mechanism (6) includes a latch vibration guide rail (61), a latch receiving block (62) is provided at the outlet of the latch vibration guide rail (61), a stop block (621) is provided on one side of the latch receiving block (62), a stop cylinder (622) is provided below the latch receiving block (621) to drive the stop block (621) to move, a liftable clamping bracket (63) is provided on one side of the latch vibration guide rail (61), a latch lifting cylinder (64) is provided below the clamping bracket (63) to drive its movement, a latch slider (65) that makes telescopic movements is provided on the clamping bracket (63), a latch telescopic cylinder (66) that drives the latch slider (65) to move, and a latch clamping cylinder (67) is provided on the latch slider (65).

8. The automatic assembly and production equipment for automobile tailgate locks according to claim 1, characterized in that: The snap ring assembly mechanism (8) includes a liftable snap ring bracket (71), and a snap ring lifting cylinder (72) is provided below the snap ring bracket (71) to drive its movement. The snap ring bracket (71) is provided with a guide plate (73), and the guide plate (73) is provided with an extension (731) and sleeved on the rod part of the lock body shell. The guide plate (73) is provided with a first guide groove (732), and a second guide groove (733) is provided on one side of the guide plate (73). The second guide groove (733) is provided with a snap ring component holder (74), and a gap is left between it and the second guide groove (733) for a single snap ring component. The first guide groove (732) and the second guide groove (733) are provided with retractable push blocks (75), and the snap ring bracket (71) is provided with a snap ring telescopic cylinder (76) to drive the push block (75) to move.

9. The automatic assembly production equipment for automobile tailgate locks according to claim 1, characterized in that: The latch assembly mechanism (9) includes a latch vibration guide rail (81), and a latch receiving block (82) that can move back and forth is provided at the outlet of the latch vibration guide rail (81). The latch receiving block (82) is provided with a second groove (821) for accommodating the latch. A material telescopic cylinder (822) for driving the latch receiving block (82) is provided below the latch vibration guide rail (81). A latch conveying bracket (83) is provided on one side of the latch vibration guide rail (81). The latch conveying bracket (83) is provided with a latch slider (84) that moves vertically and laterally. The latch conveying bracket (83) is provided with a latch telescopic cylinder (85) that drives the latch slider (84). The latch slider (84) is provided with a latch clamping cylinder (86) that can be raised and lowered. A latch pressing slider (87) that can be raised and lowered is provided on the other side of the latch vibration guide rail (81). The latch pressing slider (87) is provided with a fulcrum sleeve (871) and abuts against the latch tongue.

10. The automatic assembly and production equipment for automobile tailgate locks according to claim 1, characterized in that: The anti-detachment mechanism (7) includes an anti-detachment telescopic cylinder (91), which is provided with an anti-detachment plate (92). The anti-detachment plate (92) is provided with a guide hole (93) for the lock tongue to pass through and with a notch. The lock tongue bearing mechanism (10) includes a pressure bearing telescopic cylinder (101), which is provided with a lock tongue bearing block (102). The lock tongue bearing block (102) is provided with a third groove (103) to avoid the lock buckle.