Automatic assembly production line for toy cars

Abstract

The invention provides an automatic assembly production line for toy cars, and belongs to the field of assembly production lines. Comprising a mounting frame and a conveying assembly, the conveying assembly is arranged in the mounting frame, a plurality of connecting blocks are evenly distributed and fixedly connected to the conveying assembly, mounting plates are fixedly connected to the connecting blocks, and locking assemblies are arranged on the side walls of the mounting plates. The conveying assembly, the mounting plate and the locking assembly are arranged, two clamping plates are pushed through a first spring, the clamping plates can fix a main body structural part of the toy car, then a conveying shaft can be driven to rotate through operation of a first motor, and the conveying shaft drives a chain to rotate through a chain wheel; and the mounting plate on the chain drives the toy car main body structural member to move together, so that multi-station automatic assembly operation on the toy car can be realized, and the assembly production efficiency of the toy car is effectively improved.

Description

Technical Field

[0001] The invention relates to the technical field of assembly production lines, in particular to an automatic assembly production line for toy cars. Background Art

[0002] Toy cars are toys for children to play with that are scaled down to a certain proportion of the basic structure and appearance of a car. They are diverse, interactive, educational and safe, so they are very popular among children. People buy them in large quantities, so there is a huge demand for toy cars.

[0003] At present, although the manual assembly technology of toy cars is relatively mature, it is difficult to meet the needs of large-scale production in terms of production efficiency and consistency. Problems such as inconsistent assembly quality and low production efficiency are prone to occur during the manual assembly process. Therefore, it is particularly important to develop an automated production line that can improve production efficiency, reduce manpower requirements and ensure stable product quality. Although the existing partial automated assembly technology has made certain progress, there are technical bottlenecks such as complex production lines and poor adaptability of non-standardized assembly components, which requires further optimization of design and improvement of technical integration. Based on the above reasons, the present invention proposes an automatic assembly production line for toy cars. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide an automatic assembly production line for toy cars, which has the advantages of high production efficiency and good production adaptability for toy cars.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0006] The automatic assembly production line of toy cars comprises a mounting frame, wherein a conveying component is arranged inside the mounting frame, a plurality of connecting blocks are evenly distributed and fixedly connected to the conveying component, the connecting blocks are all fixedly connected to mounting plates, the side walls of the mounting plates are all provided with locking components, a plurality of fixing frames are fixedly connected to the top surface of the mounting frame, the fixing frames are arranged in an inverted concave shape and a feed trough is provided on the top surface, a movable shaft is movably connected inside the fixing frame, a material taking and discharging component is provided on the side wall of the movable shaft, a rotating component is provided at the front end of the movable shaft, and an offset adjustment component is provided on the fixing frame near the mounting frame.

[0007] Preferably, the conveying assembly includes a conveying shaft, and two conveying shafts are symmetrically and movably connected in the mounting frame, one end of one of the conveying shafts is fixedly connected to a first motor, the first motor is fixedly connected to the mounting frame, both conveying shafts are fixedly connected to sprockets, the two sprockets are sleeved with the same chain, and the connecting block is fixedly connected to the chain.

[0008] Preferably, the locking assembly includes a movable groove, and a movable groove is formed on the side wall of the mounting plate away from the connecting block, and a clamp is inserted into the movable groove. The clamp is T-shaped and the long side wall is arc-shaped. A first spring is fixedly connected to the side wall of the clamp, and the other end of the first spring is fixedly connected to the inner wall of the movable groove.

[0009] Preferably, the material taking and discharging assembly includes a fixed roller, a fixed roller is fixedly connected to the center of the side wall of the movable shaft, a plurality of round shells are evenly distributed and fixedly connected to the side wall of the fixed roller, a second spring is fixedly connected inside the round shell, a round rod is fixedly connected to the other end of the second spring, the round rod extends out of the round shell away from the second spring and is fixedly connected to an assembly device, a push plate is fixedly connected to the side wall of the round rod close to the assembly device, two cross plates are symmetrically fixedly connected to the side wall of the fixed frame, and an electric push rod is fixedly connected to the two cross plates away from the movable shaft.

[0010] Preferably, the rotating assembly includes a second motor, a second motor is fixedly connected to the side wall of the fixed frame, a rotating shaft is fixedly connected to the rotor of the second motor, the rotating shaft passes through the fixed frame at one end away from the second motor and is fixedly connected to the first gear, the movable shaft passes through the fixed frame at one end close to the second motor and is fixedly connected to the second gear, and the first gear and the second gear are meshed with each other.

[0011] Preferably, the offset adjustment assembly includes a threaded rod, and two threaded rods are symmetrically connected to the front and rear threads on the fixing frame. A roller is movably connected to one end of the threaded rod close to the mounting plate, and a rotating wheel is fixedly connected to the other end of the threaded rod. A cross bar is fixedly connected to the side wall of the roller structure, and the cross bar is movably connected to the fixing frame.

[0012] Preferably, a fixing rod is movably connected to the side wall of the connecting block, both ends of the fixing rod are fixedly connected to the mounting plate, two third springs are sleeved on the side wall of the fixing rod, one end of the third spring is fixedly connected to the connecting block, and the other end of the third spring is fixedly connected to the mounting plate.

[0013] Preferably, the cross section of the fixing rod is a regular polygon, and the fixing rod passes through the front and rear side walls of the connecting block.

[0014] Preferably, a support plate is fixedly connected to the fixing frame inside the mounting frame, and the cross section of the support plate is convex.

[0015] Compared with the prior art, the present invention has at least the following beneficial effects:

[0016] The present invention is provided with a conveying assembly, a mounting plate and a locking assembly. The first spring pushes two clamping plates so that the clamping plates can fix the main structural parts of the toy car. Then, the operation of the first motor can drive the conveying shaft to rotate. The conveying shaft drives the chain to rotate through the sprocket. The mounting plate on the chain drives the main structural parts of the toy car to move together. The automatic assembly operation of the toy car at multiple stations can be realized, and the efficiency of the assembly production of the toy car is effectively improved.

[0017] The present invention is provided with a discharging assembly, a rotating assembly and an offset adjustment assembly. By rotating a threaded rod on one side, the spacing between the roller and the mounting plate is changed to a suitable position to ensure the accurate assembly of toy car parts. Then, suitable assembly equipment is installed on the round rod to realize the grabbing and tightening operations of the toy car parts. The second motor drives the first gear to mesh with the second gear to rotate, and the second gear drives the assembly equipment to rotate through the movable shaft. The electric push rod pushes the push plate to realize the assembly and tightening operations of the toy car parts, realize the automated assembly processing of the toy car, and can perform the installation of multiple fixing frames on the mounting frame according to actual needs, realize standardization, and facilitate processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings, which are incorporated herein and constitute a part of the specification, illustrate embodiments of the present disclosure and, together with the description, further serve to explain the principles of the present disclosure and to enable those skilled in the relevant art to make and use the present disclosure.

[0019] Figure 1 It is a schematic diagram of the front three-dimensional structure of the present invention;

[0020] Figure 2 It is a side perspective structural schematic diagram of the present invention;

[0021] Figure 3 It is a cross-sectional three-dimensional structural schematic diagram of the present invention;

[0022] Figure 4 It is a schematic diagram of the three-dimensional structure on the fixing frame of the present invention;

[0023] Figure 5 is a schematic diagram of a cross-sectional three-dimensional structure of a fixing frame of the present invention;

[0024] Figure 6 is a schematic diagram of the three-dimensional structure in the mounting frame of the present invention;

[0025] Figure 7 It is a schematic diagram of the three-dimensional structure on the mounting plate of the present invention;

[0026] Figure 8 It is a three-dimensional structural schematic diagram of the offset adjustment component of the present invention.

[0027] [reference numerals]

[0028] 1. Mounting frame; 2. Conveying assembly; 3. Connecting block; 4. Mounting plate; 5. Locking assembly; 6. Fixed frame; 7. Feed trough; 8. Active shaft; 9. Discharging assembly; 10. Rotating assembly; 11. Offset adjustment assembly; 12. Conveying shaft; 13. First motor; 14. Sprocket; 15. Chain; 16. Active trough; 17. Clamp; 18. First spring; 19. Fixed roller; 20. Round shell; 21. Second spring; 22. Round rod; 23. Assembly equipment; 24. Push plate; 25. Cross plate; 26. Electric push rod; 27. Second motor; 28. Rotating shaft; 29. ​​First gear; 30. Second gear; 31. Threaded rod; 32. Roller; 33. Rotating wheel; 34. Cross bar; 35. Fixed rod; 36. Third spring; 37. Support plate.

[0029] As shown in the figure, in order to clearly implement the structure of the embodiment of the present invention, specific structures and devices are marked in the figure, but this is only for illustrative purposes and is not intended to limit the present invention to the specific structure, device and environment. According to specific needs, ordinary technicians in this field can adjust or modify these devices and environments, and the adjustments or modifications made are still included in the scope of the attached claims. DETAILED DESCRIPTION

[0030] A novel building exterior wall system and method provided by the present invention are described in detail below in conjunction with the accompanying drawings and specific embodiments. At the same time, it is explained here that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and those skilled in the art may also adopt other alternatives to implement some known technologies; and the accompanying drawings are only for more specific description of the embodiments, and are not intended to specifically limit the present invention.

[0031] It should be noted that the references to "one embodiment", "an embodiment", "an exemplary embodiment", "some embodiments" and the like in the specification indicate that the embodiments described may include specific features, structures or characteristics, but not every embodiment may include the specific features, structures or characteristics. In addition, when a specific feature, structure or characteristic is described in conjunction with an embodiment, it should be within the knowledge of a person skilled in the art to implement such feature, structure or characteristic in conjunction with other embodiments (whether or not explicitly described).

[0032] In general, a term can be understood, at least in part, from its use in context. For example, depending, at least in part, on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in the singular sense, or can be used to describe a combination of features, structures, or characteristics in the plural sense. Additionally, the term "based on" can be understood as not necessarily intended to convey an exclusive set of factors, but can instead, depending, at least in part, on the context, allow for the presence of other factors that are not necessarily explicitly described.

[0033] It will be understood that the meaning of “on,” “over,” and “above” in this disclosure should be interpreted in the broadest manner, so that “on” means not only “directly on” something, but also includes the meaning of being “on” something with intervening features or layers therebetween, and “on” or “over” means not only “on” or “above” something, but also includes the meaning of being “on” or “above” something with no intervening features or layers therebetween.

[0034] Additionally, spatially relative terms such as "under," "beneath," "lower," "above," "upper," and the like may be used herein for descriptive convenience to describe the relationship of one element or feature to another element or features, as shown in the accompanying drawings. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the accompanying drawings. The device may be oriented in other ways, and the spatially relative descriptors used herein may be similarly interpreted accordingly.

[0035] like Figure 1-8 As shown, an embodiment of the present invention provides an automatic assembly production line for toy cars, including a mounting frame 1, a conveying assembly 2 is arranged in the mounting frame 1, a plurality of connecting blocks 3 are evenly distributed and fixedly connected to the conveying assembly 2, and a mounting plate 4 is fixedly connected to the connecting blocks 3, and the conveying assembly 2 includes a conveying shaft 12, and two conveying shafts 12 are symmetrically and movably connected in the mounting frame 1, one end of one of the conveying shafts 12 is fixedly connected to a first motor 13, and the first motor 13 is fixedly connected to the mounting frame 1, and sprockets 14 are fixedly connected to the two conveying shafts 12, and the same chain 15 is sleeved on the two sprockets 14, and the connecting blocks 3 are fixedly connected to the chain 15;

[0036] In the technical solution of this embodiment, the first motor 13 is started, the first motor 13 drives the sprocket 14 to rotate through the conveying shaft 12, the sprocket 14 drives the chain 15 to rotate, and the chain 15 drives the mounting plate 4 to move through the connecting block 3, so that the toy car parts can be continuously moved on the production line, and the assembly operation of the toy car parts at multiple stations can be realized, thereby improving the processing efficiency of the toy car parts on the production line;

[0037] The side walls of the mounting plate 4 are provided with locking components 5, the locking components 5 include movable grooves 16, the side walls of the mounting plate 4 away from the connecting block 3 are provided with movable grooves 16, the movable grooves 16 are inserted with clamping plates 17, the clamping plates 17 are T-shaped and the long side walls are arc-shaped, the side walls of the clamping plates 17 are fixedly connected with first springs 18, and the other ends of the first springs 18 are fixedly connected with the inner walls of the movable grooves 16;

[0038] In the technical solution of this embodiment,

[0039] A plurality of fixing frames 6 are fixedly connected to the top surface of the mounting frame 1. The fixing frames 6 are arranged in an inverted concave shape and have a feed slot 7 on the top surface.

[0040] In the technical solution of this embodiment, by inserting the main structural parts of the toy car between the two clamping plates 17, and under the action of the first spring 18, the two clamping plates 17 can clamp the parts, so as to achieve the positioning and locking of the toy car parts, which is convenient for subsequent assembly operations;

[0041] A movable shaft 8 is movably connected in the fixed frame 6, and a material discharging assembly 9 is arranged on the side wall of the movable shaft 8. The material discharging assembly 9 includes a fixed roller 19, and a fixed roller 19 is fixedly connected to the center of the side wall of the movable shaft 8. A number of round shells 20 are evenly distributed and fixedly connected on the side wall of the fixed roller 19, and a second spring 21 is fixedly connected in the round shell 20, and a round rod 22 is fixedly connected to the other end of the second spring 21. The round rod 22 extends out of the round shell 20 away from the end of the second spring 21 and is fixedly connected to an assembly device 23, and a push plate 24 is fixedly connected to the side wall of the round rod 22 close to the assembly device 23. Two horizontal plates 25 are symmetrically fixedly connected to the side wall of the fixed frame 6, and an electric push rod 26 is fixedly connected to the side of the two horizontal plates 25 away from the movable shaft 8;

[0042] In the technical solution of this embodiment, the designated grabbing and fastening assembly devices 23 are sequentially installed on the round rod 22 according to the toy car installation sequence, which can conveniently realize the assembly needs of the toy car, and by arranging multiple assembly devices 23 on each fixing frame 6, the fixing operation of multiple toy car parts can be realized, which can effectively improve the assembly efficiency, and the upper side electric push rod 26 pushes the upper side push plate 24 to realize the access of external parts, and the lower side electric push rod 26 pushes the lower side push plate 24 to realize the assembly and fixation between parts, which is convenient for production;

[0043] Furthermore, a support plate 37 is fixedly connected to the fixing frame 6 inside the mounting frame 1. The support plate 37 has a convex cross-section, which can support the component assembly operation and improve the reliability and accuracy of the toy car assembly.

[0044] A rotating assembly 10 is provided at the front end of the movable shaft 8, and the rotating assembly 10 includes a second motor 27. The second motor 27 is fixedly connected to the side wall of the fixed frame 6, and a rotating shaft 28 is fixedly connected to the rotor of the second motor 27. The end of the rotating shaft 28 away from the second motor 27 penetrates the fixed frame 6 and is fixedly connected to the first gear 29. The end of the movable shaft 8 close to the second motor 27 penetrates the fixed frame 6 and is fixedly connected to the second gear 30. The first gear 29 and the second gear 30 are meshed with each other.

[0045] In the technical solution of this embodiment, the second motor 27 is started, and the second motor 27 drives the first gear 29 to rotate a specified angle, the first gear 29 engages with the second gear 30 to rotate, and the second gear 30 drives the movable shaft 8 to rotate. The rotation of the movable shaft 8 can adjust the position of the round shell 20, which is convenient for the conveying and wiping operation of the parts;

[0046] The fixing frame 6 is provided with an offset adjustment assembly 11 near the mounting frame 1. The offset adjustment assembly 11 includes a threaded rod 31. Two threaded rods 31 are symmetrically connected to the fixing frame 6 through threads. A roller 32 is movably connected to one end of the threaded rod 31 near the mounting plate 4. A rotating wheel 33 is fixedly connected to the other end of the threaded rod 31. A cross bar 34 is fixedly connected to the side wall of the roller 32 structure. The cross bar 34 is movably connected to the fixing frame 6.

[0047] In the technical solution of this embodiment, before the production line is operated, the rotating wheel 33 on one side is rotated according to the position of the toy car parts to be assembled on each fixing frame 6, and the rotating wheel 33 drives the threaded rod 31 to rotate, and the distance between the roller 32 and the mounting plate 4 is changed to reach a suitable position, so that the precise assembly operation of the toy car parts can be realized;

[0048] Furthermore, a fixing rod 35 is movably connected to the side walls of the connecting block 3, and both ends of the fixing rod 35 are fixedly connected to the mounting plate 4. Two third springs 36 are sleeved on the side walls of the fixing rod 35, one end of the third spring 36 is fixedly connected to the connecting block 3, and the other end of the third spring 36 is fixedly connected to the mounting plate 4. The cross-section of the fixing rod 35 is a regular polygon, and the fixing rod 35 passes through the front and rear side walls of the connecting block 3. The action of the third spring 36 can ensure that the mounting plate 4 is in the center position on the chain 15, which is convenient for the next workstation to perform precise component assembly operations.

[0049] Working principle: when producing toy cars, the automatic assembly production line firstly installs a specified number of fixing frames 6 on the top surface of the mounting frame 1 according to the number of parts to be assembled on the toy car and the installation tools to be used, and installs the specified grabbing and fastening assembly equipment 23 on the round rod 22 in sequence according to the installation sequence of the toy car. The external parts conveying equipment is connected to the top surface of the fixing frame 6 to ensure that the parts and fasteners can enter the feed trough 7. Then, according to the position of the toy car parts to be assembled on each fixing frame 6, the rotating wheel 33 on one side is rotated, and the rotating wheel 33 drives the threaded rod 31 to rotate, changing the distance between the roller 32 and the mounting plate 4 to reach a suitable position. The automatic assembly line is installed on the device to complete the preparation work before use, and then the various parts of the toy car are transported to the feed trough 7 in sequence, and the upper push plate 24 is pushed by the electric push rod 26, so that the designated grabbing and assembling device 23 can grasp and fix the toy car parts in the feed trough 7, and then the electric push rod 26 is reset, and under the action of the second spring 21, the round rod 22 drives the assembly device 23 and the toy car parts thereon to move into the fixing frame 6, and the second motor 27 is started. The second motor 27 drives the first gear 29 to rotate a specified angle, and the first gear 29 meshes with the second gear 30 to rotate, and the second gear 30 drives the movable shaft 8 to rotate. The rotation of the movable shaft 8 can realize the round The position of the shell 20 is adjusted. At this time, the uppermost grabbing and assembling device 23 repeats the above-mentioned working process to grab another toy car part. Under the continuous operation of the second motor 27, the toy car part can be moved to the lowermost position. At this time, the electric push rod 26 on the lower side is started, and the electric push rod 26 pushes the lower push plate 24, so that the round rod 22 drives the toy car main structure parts to be inserted between the two clamping plates 17. Under the action of the first spring 18, the positioning and locking of the toy car parts can be achieved. The first motor 13 is started, and the first motor 13 drives the sprocket 14 to rotate through the conveying shaft 12. The sprocket 14 drives the chain 15 to rotate, and the chain 15 drives the connecting block 3 The mounting plate 4 moves. When the mounting plate 4 with the toy car parts moves to the lower side of another fixing frame 6, the first motor 13 stops, and under the push of the roller 32, the mounting plate 4 can be offset to a suitable position. At this time, the electric push rod 26 on the lower side of the fixing frame 6 is started, and the electric push rod 26 pushes the push plate 24 on the lower side to move, so that another toy car part or the fastening assembly equipment 23 moves to the position of the mounting plate 4, which can realize the clamping or fastening operation between the two toy car parts, and then the electric push rod 26 is reset and the first motor 13 continues to run, and this is repeated. With the operation of this automatic assembly production line, efficient assembly and processing operations of toy cars can be realized.

[0050] The present invention covers any substitution, modification, equivalent method and scheme made on the essence and scope of the present invention. In order to make the public have a thorough understanding of the present invention, specific details are described in detail in the following preferred embodiments of the present invention, but those skilled in the art can fully understand the present invention without the description of these details. In addition, in order to avoid unnecessary confusion about the essence of the present invention, well-known methods, processes, procedures, components and circuits are not described in detail.

[0051] A person skilled in the art will appreciate that all or part of the steps in the above-mentioned embodiment method can be completed by instructing related hardware through a program, and the program can be stored in a computer-readable storage medium, such as ROM / RAM, a disk, an optical disk, etc.

[0052] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A toy car automatic assembly production line, comprising a mounting frame (1), characterized in that: The mounting frame (1) is provided with a conveying assembly (2), a plurality of connecting blocks (3) are evenly distributed and fixedly connected to the conveying assembly (2), a mounting plate (4) is fixedly connected to the connecting blocks (3), a locking assembly (5) is provided on the side wall of the mounting plate (4), a plurality of fixing frames (6) are fixedly connected to the top surface of the mounting frame (1), the fixing frames (6) are arranged in an inverted concave shape and a feeding groove (7) is provided on the top surface, a movable shaft (8) is movably connected to the fixing frame (6), a material taking and discharging assembly (9) is provided on the side wall of the movable shaft (8), a rotating assembly (10) is provided at the front end of the movable shaft (8), and an offset adjustment assembly (11) is provided on the fixing frame (6) near the mounting frame (1).

2. The toy car automatic assembly line according to claim 1, characterized in that: The conveying assembly (2) comprises a conveying shaft (12), two conveying shafts (12) are symmetrically and movably connected in the mounting frame (1), one end of one of the conveying shafts (12) is fixedly connected to a first motor (13), the first motor (13) is fixedly connected to the mounting frame (1), the two conveying shafts (12) are fixedly connected to a sprocket (14), the two sprockets (14) are sleeved with a same chain (15), and the connecting block (3) is fixedly connected to the chain (15).

3. The toy car automatic assembly line according to claim 2, characterized in that: The locking assembly (5) comprises a movable groove (16), and a movable groove (16) is provided on the side wall of the mounting plate (4) away from the connecting block (3), and a clamping plate (17) is inserted into the movable groove (16). The clamping plate (17) is T-shaped and the long side wall is arranged in an arc shape. The side wall of the clamping plate (17) is fixedly connected to a first spring (18), and the other end of the first spring (18) is fixedly connected to the inner wall of the movable groove (16).

4. The toy car automatic assembly line according to claim 3, characterized in that: The material taking and discharging assembly (9) comprises a fixed roller (19), the center of the side wall of the movable shaft (8) is fixedly connected with the fixed roller (19), a plurality of round shells (20) are evenly distributed and fixedly connected on the side wall of the fixed roller (19), the inside of each round shell (20) is fixedly connected with a second spring (21), the other end of each second spring (21) is fixedly connected with a round rod (22), the round rod (22) extends out of the round shell (20) at one end away from the second spring (21) and is fixedly connected with an assembly device (23), a push plate (24) is fixedly connected to the side wall of the round rod (22) at one end close to the assembly device (23), two horizontal plates (25) are symmetrically fixedly connected to the side wall of the fixed frame (6), and the two horizontal plates (25) are fixedly connected with an electric push rod (26) at one side away from the movable shaft (8).

5. The toy car automatic assembly line according to claim 4, characterized in that: The rotating assembly (10) comprises a second motor (27), the second motor (27) is fixedly connected to the side wall of the fixing frame (6), a rotating shaft (28) is fixedly connected to the rotor of the second motor (27), an end of the rotating shaft (28) away from the second motor (27) passes through the fixing frame (6) and is fixedly connected to a first gear (29), an end of the movable shaft (8) close to the second motor (27) passes through the fixing frame (6) and is fixedly connected to a second gear (30), and the first gear (29) and the second gear (30) are arranged to mesh with each other.

6. The toy car automatic assembly line according to claim 5, characterized in that: The offset adjustment assembly (11) comprises a threaded rod (31), two threaded rods (31) are symmetrically connected to the fixing frame (6) by threads, one end of the threaded rod (31) close to the mounting plate (4) is movably connected to a roller (32), the other end of the threaded rod (31) is fixedly connected to a rotating wheel (33), a cross rod (34) is fixedly connected to the side wall of the roller (32) structure, and the cross rod (34) is movably connected to the fixing frame (6).

7. The toy car automatic assembly line according to claim 6, characterized in that: The side walls of the connection block (3) are movably connected with fixed rods (35), both ends of the fixed rods (35) are fixedly connected to the mounting plate (4), and two third springs (36) are sleeved on the side walls of the fixed rods (35), one end of the third springs (36) is fixedly connected to the connection block (3), and the other end of the third springs (36) is fixedly connected to the mounting plate (4).

8. The toy car automatic assembly line according to claim 7, characterized in that: The fixing rod (35) has a regular polygonal cross section and is disposed through the front and rear side walls of the connecting block (3).

9. The toy car automatic assembly line according to claim 8, characterized in that: A support plate (37) is fixedly connected to the fixing frame (6) inside the mounting frame (1), and the cross section of the support plate (37) is convex.

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