A tooling for positioning a vehicle door

Abstract

The utility model discloses a kind of door positioning tool for welding workshop, including mechanism mainboard and integrated horizontal correction mechanism, vertical floating mechanism, door pressing mechanism and hinge adjusting mechanism on it. Horizontal correction mechanism is driven by first cylinder to make nylon push block move horizontally on track, realize door transverse fine adjustment;Vertical floating mechanism is driven by second cylinder to make second moving plate lift along vertical track, and first sensor detects door in place in real time;Two sides door pressing mechanism is completed vertical down pressure fixed with suction cup and door type nylon block cooperation third cylinder;Two groups of hinge adjusting mechanism adopt servo motor and fourth cylinder two-stage linkage, through magnet jacking hinge and automatically correcting installation position according to deviation value, and second sensor confirms hinge state. Each moving part is equipped with dustproof protective cover. This tool can complete door high-precision positioning and hinge adjustable installation synchronously, reduce manual intervention, improve rhythm efficiency and assembly accuracy, and be applicable to automated production line.

Description

Technical Field

[0001] This utility model relates to the field of automatic assembly technology in welding workshops, and specifically to a tooling for positioning car doors. Background Technology

[0002] In existing tooling for positioning car doors, the following methods are commonly used: The door is secured to the fixture using locating pins and coarse guides, and the body hinges are installed to the door using fixing fibers. After the door is placed in the locating door fixture, it needs to be manually checked and confirmed that the door is in place.

[0003] However, the existing door positioning fixtures have significant positioning deviations on the fixture; the installation position of the body hinges cannot be adjusted, and once a deviation occurs, adjustment will waste a lot of time and require precision measurement after adjustment; after the door is placed in place, manual inspection is required to check whether it is in place, which increases the number of manual steps, increases the probability of errors, and wastes cycle time. Utility Model Content

[0004] Therefore, this utility model provides a tooling for positioning car doors to solve the technical problems of low positioning accuracy, non-adjustable hinge position, and excessive manual intervention.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a tooling for positioning a car door, comprising: The main body of the mechanism includes a horizontal correction mechanism, a vertical floating mechanism, a door pressing mechanism, and a hinge adjustment mechanism. The door pressing mechanism is located at one end of the main body, and the hinge adjustment mechanism is located at the opposite end of the main body. The horizontal correction mechanism and the vertical floating mechanism are located between the door pressing mechanism and the hinge adjustment mechanism. There are two sets of door pressing mechanisms, and the horizontal correction mechanism and the vertical floating mechanism are located on opposite sides of the main body. There are also two sets of hinge adjustment mechanisms.

[0006] Preferably, the horizontal correction mechanism includes a first column, a placement platform, a first track, a first cylinder, a moving plate, and a propulsion block. The placement platform is located on the top of the first column, and the first track is located on the top surface of the placement platform. The moving plate is slidably connected to the first track. The output end of the first cylinder is connected to the moving plate to drive the moving plate to move on the first track. The propulsion block is located above the moving plate.

[0007] Preferably, the output direction of the first cylinder is horizontal, and the placement platform is provided with a first limiting block, which is positioned relative to the output end of the first cylinder.

[0008] Preferably, the propulsion block is a nylon block, and a protective cover is provided above the moving plate to prevent dust from entering the first track.

[0009] Preferably, the vertical floating mechanism includes a second column, a second cylinder, a second limiting block, a second moving plate, a second track, a first sensor, and a guide block. The upper part of the second column is used to fix the second cylinder and the second track. The second moving plate is located at the output end of the second cylinder and the first sensor is located on one side. The second moving plate is slidably connected to the second track. The guide block is located on the side of the second track. The second limiting block is located relative to the output end of the second cylinder.

[0010] Preferably, a second protective cover is provided on the outside of the second track to prevent dust from entering the second track.

[0011] Preferably, the output direction of the second cylinder is vertical.

[0012] Preferably, the door pressing mechanism includes a third column, a third cylinder, a third limiting block, a suction cup connecting rod, and a suction cup and door-shaped spacer. The third cylinder and the third limiting block are provided on opposite sides of the third column. One end of the suction cup connecting rod is connected to the output end of the third cylinder, and the rod body of the suction cup connecting rod corresponds to the third limiting block. The other end of the suction cup connecting rod is provided with the suction cup and the door-shaped spacer.

[0013] Preferably, the door-shaped spacer is a nylon block that conforms to the shape of the car door, the output direction of the third cylinder is vertical, and the third upright is also provided with reinforcing ribs.

[0014] Preferably, the hinge adjustment mechanism includes a servo motor, a clamp, a first connecting plate, and a second connecting plate. The output direction of the servo motor is vertical. The second connecting plate is fixed to the main body of the servo motor via the clamp. The second connecting plate is provided with a third track. The first connecting plate is connected to the output end of the servo motor. A sliding block and a fourth cylinder are provided on the side of the first connecting plate facing the third track. The fourth cylinder is located above the sliding block. The sliding block is slidably connected to the third track, and a limit plate is provided at the top of the third track. A hinge retainer is provided on the side of the first connecting plate opposite to the fourth cylinder. A second sensor is provided on one side of the hinge retainer. The output direction of the fourth cylinder is vertical. A lifting platform is provided at the output end of the fourth cylinder. The lifting platform is provided with a magnet. The fourth cylinder can drive the magnet to pass through the hinge retainer and contact the hinge to complete the hinge lifting.

[0015] The application employs the above technical solution and has at least the following beneficial effects: Precise positioning of the car door in both horizontal and vertical directions is achieved through a horizontal correction mechanism and a vertical floating mechanism, effectively reducing assembly errors. Precise adjustment of the hinge installation position is achieved through a servo motor and a fourth cylinder in a two-stage adjustment process, reducing manual disassembly and measurement time. Real-time detection of the door and hinge positioning by the first and second sensors reduces manual inspection steps, improves production efficiency, and lowers the error rate. All moving parts are equipped with protective covers or dustproof structures to extend the equipment's lifespan. The overall structure is compact and adaptable to the needs of automated production lines in welding workshops. It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and do not limit this application. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a structural schematic diagram provided by an embodiment of the present utility model; Figure 2 This is a schematic diagram of the horizontal correction mechanism provided in an embodiment of the present invention; Figure 3 This is a schematic diagram of the vertical floating mechanism provided in an embodiment of the present invention; Figure 4 This is a schematic diagram of the door pressing mechanism provided in an embodiment of the present utility model; Figure 5 This is a schematic diagram of the hinge adjustment mechanism provided in an embodiment of the present utility model; Figure 6 This is a schematic diagram of the hinge adjustment mechanism provided in an embodiment of the present utility model; Figure 7 This is a detailed drawing of the hinge adjustment mechanism provided in an embodiment of the present utility model; Figure 8 This is a detailed drawing of the hinge adjustment mechanism provided in an embodiment of the present utility model; In the diagram: 1. Main board; 2. Horizontal correction mechanism; 201. First column; 202. Placement platform; 203. First track; 204. First cylinder; 205. Moving plate; 206. Push block; 207. First limit block; 208. Protective cover; 3. Vertical floating mechanism; 301. Second column; 302. Second cylinder; 303. Second limit block; 304. Second moving plate; 305. Second track; 306. First sensor; 307. Guide block; 308. Second protective cover; 4. Door pressing machine Structure; 401, Third column; 402, Third cylinder; 403, Third limiting block; 404, Suction cup connecting rod; 405, Suction cup; 406, Door-shaped spacer block; 407, Reinforcing rib; 5, Hinge adjustment mechanism; 501, Servo motor; 502, Fixture; 503, First connecting plate; 504, Second connecting plate; 505, Third track; 506, Sliding block; 507, Fourth cylinder; 508, Limiting plate; 509, Hinge retainer; 510, Second sensor; 511, Lifting platform; 512, Magnet. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other implementation methods obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0019] A specific embodiment of this utility model provides a tooling for positioning a car door, combined with the attached... Figure 1 As shown, it mainly includes a main board 1, a horizontal correction mechanism 2, a vertical floating mechanism 3, a door pressing mechanism 4, and a hinge adjustment mechanism 5. The horizontal correction mechanism 2, the vertical floating mechanism 3, the door pressing mechanism 4, and the hinge adjustment mechanism 5 are all located on the surface of the main board 1. The door pressing mechanism 4 is located at one end of the main board 1, and the hinge adjustment mechanism 5 is located at the opposite end of the main board 1. The horizontal correction mechanism 2 and the vertical floating mechanism 3 are located between the door pressing mechanism 4 and the hinge adjustment mechanism 5. There are two sets of door pressing mechanisms 4, and the horizontal correction mechanism 2 and the vertical floating mechanism 3 are located on opposite sides of the main board 1. There are also two sets of hinge adjustment mechanisms 5.

[0020] Furthermore, the horizontal correction mechanism 2 includes a first column 201, a placement platform 202, a first track 203, a first cylinder 204, a moving plate 205, a pushing block 206, a first limiting block 207, and a protective cover. In this embodiment, the first column 201 is configured in a Z-shape, with one end fixed to the surface of the main plate 1 of the mechanism, and the top surface of the other end is provided with a placement platform 2. The first track 203 is provided on the placement platform 2, and the first cylinder 204 is provided on one side of the first track 203. The moving plate 205 is connected to the output end of the first cylinder 204, and the moving plate 205 is placed on the first track 203 and slidably connected to the first track 203. The first cylinder 204 can drive... The movable plate 205 moves on the first track 203. A first limiting block 207 is provided at the output end of the first cylinder 204, so that the maximum output range of the first cylinder 204 can only reach the first limiting block 207. A push block 206 and a protective cover 208 are provided above the movable plate 205. The protective cover 208 is used to prevent dust from entering the first track 203 and affecting the normal movement of the movable plate 205. The push block 206 can move with the movable plate 205 and is used to contact the car door and push the car door to make horizontal displacement adjustment through the power of the first cylinder 204. In this embodiment, the push block 206 is set as a nylon block, which can avoid wear and tear on the car door during the push adjustment process.

[0021] Furthermore, the vertical floating mechanism 3 is equipped with a second column 301, a second cylinder 302, a second limiting block 303, a second moving plate 304, a second track 305, a first sensor 306, a guide block 307, and a second protective cover 308. In this embodiment, the second column 301 is symmetrically provided with two uprights, one of which is fixed with a second cylinder 302. The output end of the second cylinder 302 is connected to the second moving plate 304, which can drive the second moving plate 304 to move vertically. A second limiting block 303 is provided at the output direction of the second cylinder 302, so that the second cylinder 302 drives the second moving plate 304 to move the maximum distance to the second limiting block 303. A first sensor 306 is provided on the surface of plate 304. The first sensor 306 is used to sense whether the door is in position. A second track 305 is provided above the other upright of the second column. The second moving plate 304 is slidably connected to the second track 305 to determine that the second moving plate 304 moves along the direction of the second track 305. The second track 305 is set vertically. A second protective cover 308 is provided on the outside of the second track 305 to prevent dust from entering the second track 305 and affecting the normal movement of the second moving plate 304. A guide block 307 is provided on one side of the second track 305 to ensure that the door position does not shift when the door is raised to the high position.

[0022] Furthermore, the door pressing mechanism 4 is equipped with a third column 401, a third cylinder 402, a third limiting block 403, a suction cup connecting rod 404, a suction cup 405, a door-shaped spacer block 406, and a reinforcing rib 407. The bottom of the third column 401 is fixedly connected to the main board 1 of the mechanism. To enhance the support force when pressing down the door, a reinforcing rib 407 is provided at the bottom of the third column 401 to improve the support force. A third cylinder 402 and a third limiting block 403 are provided on opposite sides of the third column 401. The output direction of the third cylinder 402 is vertical, and its output end is connected to the suction cup. One end of the suction cup connecting rod 404 is set with the rod body corresponding to the third limiting block 403. The other end of the suction cup connecting rod 404 is set with a suction cup 405 and a door-shaped spacer 406. The suction direction of the suction cup 405 is set downward. The door-shaped spacer 406 is set as a nylon block that is consistent with the shape of the car door to avoid wear caused by friction with the car door. The third cylinder 402 can retract and move downward to drive the suction cup connecting rod 404 to move down. At the same time, the suction cup 405 and the door-shaped spacer 406 move down to fit against the car door. The movement stops at the third limiting block 403 to achieve the pressing and fixing of the car door.

[0023] Furthermore, the hinge adjustment mechanism 5 is equipped with a servo motor 501, a clamp 502, a first connecting plate 503, and a second connecting plate 504. The output direction of the servo motor 501 is vertical. The second connecting plate 504 is fixed to the main body of the servo motor 501 through the clamp 502. The second connecting plate 504 is provided with a third track 505. The first connecting plate 503 is connected to the output end of the servo motor 501. A sliding block 506 and a fourth cylinder 507 are provided on the side of the first connecting plate 503 facing the third track 505. The fourth cylinder 507 is located above the sliding block 506. The first connecting plate 503 is slidably connected to the third track 505, and a limit plate 508 is provided on the top of the third track 505; a hinge retainer 509 is provided on the side of the first connecting plate 503 opposite to the fourth cylinder 507, and a second sensor 510 is provided on the side of the hinge retainer 509. The second sensor 510 is used to detect whether the hinge is in place. The output direction of the fourth cylinder 507 is vertical. A lifting platform 511 is provided at the output end of the fourth cylinder 507. A magnet 512 is provided on the lifting platform 511. The fourth cylinder 507 can drive the magnet 512 to pass through the hinge retainer 509 and contact the hinge to complete the hinge lifting.

[0024] The working principle of this embodiment: The pre-set positioning pins match the positioning holes on the car door, serving as the main positioning mechanism; the horizontal correction mechanism 2 calibrates the car door horizontally, placing it in the standard position; the vertical floating mechanism 3 lifts the car door, ensuring that all planes of the car door are in a relatively stable position; the hinge position adjustment mechanism 5 automatically adjusts the hinge installation position based on the body deviation value given by the previous workstation, correcting the body deviation in advance and reducing the matching error between the car door and the body; the car door positioning and pressing mechanism 4 directly presses the car door into place, avoiding manual inspection and correction; effectively eliminating the problems existing in the current tooling.

[0025] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A tooling for positioning a car door, characterized in that, include: The main body of the mechanism (1) is provided with a horizontal correction mechanism (2), a vertical floating mechanism (3), a door pressing mechanism (4) and a hinge adjustment mechanism (5). The door pressing mechanism (4) is located at one end of the main body of the mechanism (1), and the hinge adjustment mechanism (5) is located at one end of the main body of the mechanism (1) opposite to the door pressing mechanism (4). The horizontal correction mechanism (2) and the vertical floating mechanism (3) are provided between the door pressing mechanism (4) and the hinge adjustment mechanism (5). There are two sets of door pressing mechanisms (4). The horizontal correction mechanism (2) and the vertical floating mechanism (3) are located on opposite sides of the main body of the mechanism (1). There are two sets of hinge adjustment mechanisms (5).

2. The tooling for positioning a car door according to claim 1, characterized in that: The horizontal correction mechanism (2) is provided with a first column (201), a placement platform (202), a first track (203), a first cylinder (204), a moving plate (205), and a pusher block (206). The placement platform (202) is provided on the top of the first column (201), and the first track (203) is provided on the top surface of the placement platform (202). The moving plate (205) is slidably connected to the first track (203). The output end of the first cylinder (204) is connected to the moving plate (205) to drive the moving plate (205) to move on the first track (203). The pusher block (206) is provided above the moving plate (205).

3. The tooling for positioning a car door according to claim 2, characterized in that: The output direction of the first cylinder (204) is horizontal, and the placement platform (202) is provided with a first limiting block (207), which is set relative to the output end of the first cylinder (204).

4. The tooling for positioning a car door according to claim 3, characterized in that: The propulsion block (206) is made of nylon, and a protective cover (208) is provided above the moving plate (205). The protective cover (208) is used to prevent dust from entering the first track (203).

5. The tooling for positioning a car door according to claim 1, characterized in that: The vertical floating mechanism (3) is provided with a second column (301), a second cylinder (302), a second limiting block (303), a second moving plate (304), a second track (305), a first sensor (306), and a guide block (307). The upper part of the second column (301) is used to fix the second cylinder (302) and the second track (305). The second moving plate (304) is located at the output end of the second cylinder (302) and the first sensor (306) is located on one side. The second moving plate (304) is slidably connected to the second track (305). The guide block (307) is located on the side of the second track (305). The second limiting block (303) is located in the direction relative to the output end of the second cylinder (302).

6. The tooling for positioning a car door according to claim 5, characterized in that: A second protective cover (308) is provided on the outside of the second track (305) to prevent dust from entering the second track (305).

7. The tooling for positioning a car door according to claim 6, characterized in that: The output direction of the second cylinder (302) is vertical.

8. A tooling for positioning a car door according to claim 1, characterized in that: The door pressing mechanism (4) is provided with a third column (401), a third cylinder (402), a third limiting block (403), a suction cup connecting rod (404), a suction cup (405), and a door-shaped spacer (406). The third cylinder (402) and the third limiting block (403) are provided on opposite sides of the third column (401). One end of the suction cup connecting rod (404) is connected to the output end of the third cylinder (402). The rod body of the suction cup connecting rod (404) corresponds to the third limiting block (403). The other end of the suction cup connecting rod (404) is provided with the suction cup (405) and the door-shaped spacer (406).

9. A tooling for positioning a car door according to claim 8, characterized in that: The door-shaped spacer block (406) is a nylon block that conforms to the shape of the door. The output direction of the third cylinder (402) is vertical. The third column (401) is also provided with reinforcing ribs (407).

10. A tooling for positioning a car door according to claim 1, characterized in that: The hinge adjustment mechanism (5) is equipped with a servo motor (501), a clamp (502), a first connecting plate (503), and a second connecting plate (504). The output direction of the servo motor (501) is vertical. The second connecting plate (504) is fixed to the body of the servo motor (501) through the clamp (502). The second connecting plate (504) is equipped with a third track (505). The first connecting plate (503) is connected to the output end of the servo motor (501). A sliding block (506) and a fourth cylinder (507) are provided on the side of the first connecting plate (503) facing the third track (505). The fourth cylinder (507) is located on the upper part of the sliding block (506). In this configuration, the sliding block (506) is slidably connected to the third track (505), and a limit plate (508) is provided on the top of the third track (505); a hinge retainer (509) is provided on the side of the first connecting plate (503) opposite to the fourth cylinder (507), and a second sensor (510) is provided on one side of the hinge retainer (509). The output direction of the fourth cylinder (507) is vertical, and a lifting platform (511) is provided at the output end of the fourth cylinder (507). A magnet (512) is provided on the lifting platform (511). The fourth cylinder (507) can drive the magnet (512) to pass through the hinge retainer (509) and contact the hinge to complete the hinge lifting.

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