Vehicle frame positioning tool for vehicle assembly line

Abstract

The utility model discloses a frame positioning tool for a vehicle assembly line, which effectively achieves the purpose of conveniently positioning and assembling a bicycle and comprises a conveyor and a fixing mechanism, the conveyor comprises a conveying frame, and a plurality of conveying plates capable of moving together are arranged in the middle of the conveying frame; the fixing mechanism comprises a fixing plate rotationally connected with the conveying plate, the upper side of the fixing plate is rotationally connected with a first fixing frame, the upper side of the first fixing frame is in threaded connection with a second fixing frame, a limiting rod is arranged in the middle of the fixing plate, and the left side and the right side of the front side of the fixing plate are each provided with a limiting mechanism in a bilateral symmetry mode. The device is novel in structure, ingenious in conception and easy and convenient to operate, effectively facilitates use of workers, can operate automatically and can adapt to frames with different heights.

Description

Technical Field

[0001] The utility model belongs to the technical field of bicycle assembly, and relates to a frame positioning tool for a vehicle assembly line. Background Art

[0002] Bicycles are a green and environmentally friendly means of transportation and have been widely accepted by the public;

[0003] When assembling a bicycle, it is generally done manually. At this time, the bicycle frame needs to be inverted and the accessories need to be installed and debugged. At present, a chain conveyor is usually used, and a positioning tool is set on its loading plate to fix the bicycle frame. However, due to the high height of the bicycle frame when it is inverted and fixed by the positioning tool, coupled with the height of the chain conveyor itself, the height of the bicycle frame during assembly is too high, and the height of the chain conveyor can only be reduced as much as possible. When the height of the chain conveyor is too low, the positioning tool will interfere with the ground as the loading plate moves. At present, the positioning tool is generally removed manually at the end of the chain conveyor, and then taken to the input end of the chain conveyor and manually installed, which is very inconvenient. Therefore, a vehicle assembly line frame positioning tool that can reduce the longitudinal height of the positioning tool and thereby reduce the installation height of the chain conveyor is needed to solve the above problems. Utility Model Content

[0004] In view of the above problems, the utility model proposes a vehicle assembly line frame positioning tool, which well solves the problems in the prior art.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0006] A vehicle assembly line frame positioning tool, including a conveyor and a fixing mechanism:

[0007] The conveyor comprises a conveying frame, and a plurality of conveying plates which can move together are provided in the middle of the conveying frame;

[0008] The fixing mechanism includes a fixing plate rotatably connected to the conveying plate, a first fixing frame rotatably connected to the upper side of the fixing plate, a second fixing frame threadedly connected to the upper side of the first fixing frame, a limiting rod fixedly connected to the middle of the fixing plate, the second fixing frame can slide up and down along the limiting rod, a limiting mechanism is symmetrically provided on the left and right sides of the front side of the fixing plate, and a height-adjustable positioning rubber pad is provided on the upper side of the first fixing frame.

[0009] Preferably, a gear is fixedly connected to the lower portion of the first fixed frame, and an ascending rack and a descending rack are respectively fixedly connected to the front and rear portions of the conveying frame, and the ascending rack and the descending rack are both placed on the upper side of the conveying frame and are centrally symmetrically arranged.

[0010] Preferably, the limiting mechanism comprises a limiting plate slidably connected to the conveying plate, an elastic plate is fixedly connected to the upper side of the limiting plate, a hook is fixedly connected to the upper side of the elastic plate, and each limiting plate is provided with a return spring on the side close to the fixed plate;

[0011] The left and right sides of the fixing plate are respectively fixedly connected with a T-shaped block corresponding to the hook, and the T-shaped block and the hook cooperate with each other to form a limiting structure for each fixing plate.

[0012] Preferably, two torsion springs are provided at the position where the right side of the fixed plate is rotatably connected to the conveying plate, and each of the elastic plates is fixedly connected to a toggle block on the side away from the fixed plate. The rear part of the upper side of the frame is fixedly connected to two toggle plates that are in the same horizontal plane as the toggle blocks, and the toggle plates and the toggle blocks cooperate with each other to form a structure for disengaging the T-block from the hook.

[0013] Preferably, two arc-shaped plates corresponding to the T-blocks are fixedly connected to the front portion of the upper side of the conveying frame.

[0014] Preferably, an adjustment frame is fixedly connected to the lower side of the positioning rubber pad, and the lower part of the adjustment frame is threadedly connected to the first fixing frame.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. The utility model has a first fixing frame and a second fixing frame that can move up and down relative to the first fixing frame, which can reduce the longitudinal height of the positioning tooling and the installation height of the conveyor, so that the second fixing frame can adapt to the height of the staff after being matched with the bicycle frame, thereby increasing the working comfort of the staff.

[0017] 2. The utility model has a fixed plate that can rotate relative to the conveying plate, and a first fixed frame arranged perpendicular to the fixed plate. It can maintain the vertical state of the first fixed frame when the first fixed frame is on the upper side of the conveying frame, which is convenient for positioning and fixing the frame, and can also maintain the horizontal state of the first fixed frame when the first fixed frame is on the lower side of the conveying frame, further reducing the longitudinal height of the fixing mechanism on the lower side of the conveying frame, which is convenient for staff to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0019] Figure 2 It is a schematic diagram of the exploded structure of the first fixing frame and the second fixing frame in the utility model.

[0020] Figure 3 It is a structural schematic diagram of the limiting mechanism in the utility model.

[0021] Figure 4 It is a schematic diagram of the longitudinal positions of the toggle plate, the gear and the rising rack in the utility model.

[0022] In the figure: 1. conveying frame; 2. conveying plate; 3. fixing plate; 4. first fixing frame; 5. second fixing frame; 6. limiting rod; 7. limiting mechanism; 8. positioning rubber pad; 9. gear; 10. rising rack; 11. descending rack; 12. limiting plate; 13. elastic plate; 14. hook; 15. reset spring; 16. T-block; 17. torsion spring; 18. toggle block; 19. toggle plate; 20. arc plate; 21. adjustment frame. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] The following is combined with Figure 1-Figure 4 The specific implementation modes of the present utility model are further described in detail.

[0025] Depend on Figure 1-Figure 4 The utility model includes a conveyor and a fixing mechanism. In order to achieve the purpose of conveniently positioning and assembling a bicycle, the conveyor includes a conveying frame 1. The middle part of the conveying frame 1 is provided with a plurality of conveying plates 2 that can move together. The conveyor is a chain plate conveyor, which is a prior art, such as a chain conveyor of model fu270, which will not be described in detail here. The conveying frame 1 is a fixed frame of the conveyor. A plurality of supporting legs are fixedly connected to the lower side of the conveying frame 1. The conveying plate 2 is a loading plate of the chain plate conveyor, which is driven by a chain and a motor.

[0026] The fixing mechanism includes a fixing plate 3 rotatably connected to the conveying plate 2, a first fixing frame 4 is rotatably connected to the upper side of the fixing plate 3, a second fixing frame 5 is threadedly connected to the upper side of the first fixing frame 4, a limiting rod 6 is fixedly connected to the middle of the fixing plate 3, the second fixing frame 5 can slide up and down along the limiting rod 6, a limiting mechanism 7 is symmetrically provided on the left and right sides of the front side of the fixing plate 3, and a height-adjustable positioning rubber pad 8 is provided on the upper side of the first fixing frame 4;

[0027] When in use, the bicycle frame to be assembled can be inverted, and its seat tube sleeve can be matched with the second fixing frame 5. At this time, the bicycle can be normally assembled by supporting the bicycle longitudinally through the positioning rubber pad 8, and the frame is transported backward from the front of the device for assembly in a streamlined operation. After the assembly is completed, the bicycle can be removed, and the conveying mechanism rotates with the continuous backward movement of the conveying plate 2. At the rear of the conveying frame 1, the first fixing frame 4 will rotate, and then the second fixing frame 5 will move downward under the action of the thread and the limiting rod 6, reducing the longitudinal size of the fixing mechanism, and then the limiting mechanism 7 will release the limit on the fixing plate 3, each fixing mechanism will rotate backward and fit the conveying plate 2, thereby further reducing the longitudinal size of the fixing mechanism, and facilitating the circumferential movement with the conveying plate 2. After the fixing mechanism passes the lower side of the conveying frame 1 and moves to the front, the fixing plate 3 will be moved to the horizontal (the fixing mechanism will be reset to the vertical state again) and cooperate with the limiting mechanism 7, and then the first fixing frame 4 will rotate in the opposite direction to drive the second fixing frame 5 to extend upward, and the next frame fixation can be performed.

[0028] Further, by Figure 1-Figure 4 It is given that, in order to facilitate the use of the staff, a gear 9 is fixedly connected to the lower part of the first fixed frame 4, and the front and rear parts of the conveying frame 1 are respectively fixedly connected with an ascending rack 10 and a descending rack 11, and the ascending rack 10 and the descending rack 11 are both placed on the upper side of the conveying frame 1 and are symmetrically arranged at the center. The ascending rack 10 and the descending rack 11 are both in the same horizontal plane with the gear 9. When the gear 9 cooperates with the ascending rack 10, the first fixed frame 4 will rotate and drive the second fixed frame 5 to rise. When the gear 9 cooperates with the descending rack 11, the first fixed frame 4 will rotate and drive the second fixed frame 5 to descend.

[0029] Further, by Figure 1-Figure 4 It is given that in order to enable the device to operate automatically, the limiting mechanism 7 includes a limiting plate 12 slidably connected to the conveying plate 2, an elastic plate 13 is fixedly connected to the upper side of the limiting plate 12, the elastic plate 13 is made of elastic material and can undergo a certain elastic deformation, a hook 14 is fixedly connected to the upper side of the elastic plate 13, and each of the limiting plates 12 is provided with a reset spring 15 on the side close to the fixed plate 3;

[0030] A T-shaped block 16 corresponding to the hook 14 is fixedly connected to the left and right sides of the fixing plate 3 , and the T-shaped block 16 cooperates with the hook 14 to form a limiting structure for each fixing plate 3 .

[0031] Further, by Figure 1-Figure 4 It is given that two torsion springs 17 are provided at the position where the right side of the fixed plate 3 is rotatably connected to the conveying plate 2. When the fixed plate 3 is in a horizontal state (the second fixed frame 5 is in a working state of being vertically fixed to the frame), the torsion spring 17 is in a force storage state, and has a tendency to rotate the fixed plate 3 backward. Each of the elastic plates 13 is fixedly connected to a toggle block 18 on the side away from the fixed plate 3, and two toggle plates 19 are fixedly connected to the rear part of the upper side of the frame, which are in the same horizontal plane as the toggle blocks 18. The toggle plates 19 and the toggle blocks 18 cooperate with each other to form a structure for disengaging the T-block 16 from the hook 14.

[0032] Further, by Figure 1-Figure 4 It is given that two arc-shaped plates 20 corresponding to the T-blocks 16 are fixedly connected to the front part of the upper side of the conveying frame 1;

[0033] During use, when the fixed plate 3 is in a horizontal state, the hook 14 will cooperate with the T-block 16 to limit the rotation of the fixed plate 3, and under the action of the toggle plate 19, the two toggle blocks 18 are pushed close to the fixed plate 3, at which time the hook 14 will be released from the T-block 16, and at this time, under the action of the torsion spring 17, the fixed plate 3 will rotate, driving the first fixed frame 4 to be close to the conveying plate 2, and when the conveying plate 2 moves to the front of the conveying frame 1, the arc plate 20 will cooperate with the T-block 16 to toggle the fixed plate 3 to rotate, and under the action of the elastic plate 13, the T-block 16 will cooperate with the hook 14 again, so that it can be used next time.

[0034] Further, by Figure 1-Figure 4 It is given that, in order to make the device adaptable to the use of frames of different heights, an adjustment frame 21 is fixedly connected to the lower side of the positioning rubber pad 8, and the lower part of the adjustment frame 21 is threadedly connected to the first fixing frame 4;

[0035] When in use, the height of the positioning rubber pad 8 relative to the fixing plate 3 can be adjusted by rotating the adjusting frame 21, so that the total fixed height of the bicycle frame can be adjusted.

[0036] When the utility model is used, firstly, the bicycle frame to be assembled can be inverted, and its seat tube sleeve can be matched with the second fixing frame 5. At this time, the bicycle can be normally assembled by longitudinally supporting the bicycle through the positioning rubber pad 8, and the frame is transported backward from the front of the device for assembly in a streamlined operation. After the assembly is completed, the bicycle can be taken down, and the conveying mechanism will rotate with the continuous backward movement of the conveying plate 2 at the rear of the conveying frame 1, and then the second fixing frame 5 is moved to the rear under the action of the thread and the limit rod 6. The fixing mechanism 4 will move downward to reduce the longitudinal dimension of the fixing mechanism, and then the limiting mechanism 7 will release the limit on the fixing plate 3, and each fixing mechanism will rotate backward to fit with the conveying plate 2, thereby further reducing the longitudinal dimension of the fixing mechanism, which is convenient for circular movement with the conveying plate 2. After the fixing mechanism passes through the lower side of the conveying frame 1 and moves to the front, the fixing plate 3 will be moved to the horizontal (the fixing mechanism will be reset to the vertical state again) and cooperate with the limiting mechanism 7, and then the first fixing frame 4 will rotate in the opposite direction to drive the second fixing frame 5 to extend upward, so that the next frame fixation can be carried out.

[0037] The utility model has novel structure, ingenious conception and simple and convenient operation. Through the design, the purpose of conveniently positioning and assembling the bicycle is effectively achieved, which is convenient for the staff to use, enables the device to run automatically and enables the device to adapt to the use of frames of different heights.

[0038] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A vehicle assembly line frame positioning tool, comprising a conveyor and a fixing mechanism, characterized in that: The conveyor comprises a conveying frame, and a plurality of conveying plates which can move together are provided in the middle of the conveying frame; The fixing mechanism includes a fixing plate rotatably connected to the conveying plate, a first fixing frame rotatably connected to the upper side of the fixing plate, a second fixing frame threadedly connected to the upper side of the first fixing frame, a limiting rod fixedly connected to the middle of the fixing plate, the second fixing frame can slide up and down along the limiting rod, a limiting mechanism is symmetrically provided on the left and right sides of the front side of the fixing plate, and a height-adjustable positioning rubber pad is provided on the upper side of the first fixing frame.

2. The vehicle assembly line frame positioning tool according to claim 1, characterized in that: A gear is fixedly connected to the lower part of the first fixed frame, and an ascending rack and a descending rack are fixedly connected to the front and rear parts of the conveying frame respectively. The ascending rack and the descending rack are both placed on the upper side of the conveying frame and are centrally symmetrically arranged.

3. The vehicle assembly line frame positioning tool according to claim 1, characterized in that: The limiting mechanism includes a limiting plate slidably connected to the conveying plate, an elastic plate is fixedly connected to the upper side of the limiting plate, a hook is fixedly connected to the upper side of the elastic plate, and each limiting plate is provided with a reset spring on the side close to the fixed plate; The left and right sides of the fixing plate are respectively fixedly connected with a T-shaped block corresponding to the hook, and the T-shaped block and the hook cooperate with each other to form a limiting structure for each fixing plate.

4. The vehicle assembly line frame positioning tool according to claim 3, characterized in that: Two torsion springs are provided at the position where the right side of the fixed plate is rotatably connected to the conveying plate. A toggle block is fixedly connected to one side of each elastic plate away from the fixed plate. Two toggle plates that are in the same horizontal plane as the toggle blocks are fixedly connected to the rear part of the upper side of the frame. The toggle plates and the toggle blocks cooperate with each other to form a structure for releasing the cooperation between the T-block and the hook.

5. The vehicle assembly line frame positioning tool according to claim 3, characterized in that: Two arc-shaped plates corresponding to the T-blocks are fixedly connected to the front portion of the upper side of the conveying frame.

6. The vehicle assembly line frame positioning tool according to claim 1, characterized in that: An adjustment frame is fixedly connected to the lower side of the positioning rubber pad, and the lower part of the adjustment frame is threadedly connected to the first fixing frame.

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