Automobile back door tool

Abstract

The utility model relates to the technical field of vehicle assembly, in particular to an automobile back door tool which comprises a tool body and at least two clamps used for installing the tool body on an automobile body, the number of the clamps is at least two, and the two clamps are installed at the two ends of the tool body respectively. Two Y-direction positioning pins are arranged on the face, close to an automobile body, of the tool body, the two Y-direction positioning pins are installed at the two ends of the tool body in a sliding mode respectively, and a back door positioning pin used for fixing the position of the back door of the automobile is further arranged on the face, close to the back door of the automobile, of the tool body. The automobile back door tool is simple in structure, the tool body can be fixed to an automobile body through the clamp, the fixing process is simple and rapid, the mounting and dismounting efficiency of the automobile back door tool is improved, fixing is stable, and the automobile back door tool is not prone to falling off.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle assembly, and more specifically, to a tooling for a car back door. Background Art

[0002] During the automotive manufacturing process, tailgate installation accuracy relies on a fixture positioned on the side panels. Due to component and fixture variations, and manufacturing fluctuations, the accuracy of the side panels can also fluctuate. Conventional tailgate fixtures use the side panel exterior surface as a positioning reference. This positioning reference can cause the tailgate to be misaligned in the Y direction, resulting in a deviation. This can directly lead to discrepancies in the clearance between the rear A / B lights and the gap between the tailgate and the side panels, affecting the overall appearance of the vehicle. In the prior art, the tailgate fixture is typically positioned on the vehicle body in the Y direction, with a positioning block on each side controlling the Y-axis relative position of the fixture to the vehicle body. The tailgate is then positioned on the fixture using locating pins to control the Y-axis relative position of the fixture. After positioning, the mounting bolts are tightened, and the tailgate assembly is completed, establishing the Y-axis relative position of the tailgate to the vehicle body. This method suffers from low positioning accuracy and cannot ensure that the tailgate is installed in the center of the vehicle body. Furthermore, the bolted installation method is inconvenient and inefficient for assembly and disassembly, reducing work efficiency. There is also a technical solution in the prior art that only installs the positioning fixture by inserting the positioning pin into the vehicle body. This solution can quickly disassemble and assemble the positioning fixture, but the installation is not firm, which can easily cause the positioning fixture to shift or fall off, thereby affecting the positioning accuracy and safety of use.

[0003] There is a Chinese invention with the publication number CN115056890B, which discloses a positioning device and a tailgate installation method, including: an upper positioning mechanism and a lower positioning mechanism; the upper positioning mechanism includes a first bracket, a first mounting pin, and a centering mechanism; the lower positioning mechanism includes a second bracket, a second mounting pin, a rear bracket, a second positioning pin, and a support leg. This invention has the following advantages and effects: because the upper positioning mechanism achieves Y-direction centering through the centering device, and then transmits it to the tailgate, the Y-direction centering positioning of the tailgate is achieved. The two square holes on the white car body and the light rods provided by the tailgate hinge form X1 and X2 positioning as well as Z1 and Z2 positioning, while the lower positioning mechanism determines its own position through the support leg and the second mounting pin, and transmits it to the tailgate to achieve X3 positioning and Z3 positioning. After achieving positioning in three directions, the hinge and the white car body can be accurately fixed. Finally, the upper positioning mechanism and the lower positioning mechanism are removed to complete the installation of the tailgate.

[0004] However, in the above-mentioned technical solution, the first bracket is connected to the vehicle body only via a locating pin. To facilitate disassembly, the locating pin is generally provided with a clearance fit in the process hole on the vehicle body. This arrangement, on the one hand, can easily cause the locating pin to wobble to a certain extent on the vehicle body, causing the first bracket to misalign and reducing positioning accuracy. On the other hand, connecting the first bracket to the vehicle body solely via the locating pin can result in an unstable connection, which can easily cause it to fall off, posing a safety hazard. Utility Model Content

[0005] In order to solve the problem of unstable connection between the positioning pin and the vehicle body in the prior art, the utility model provides a car tailgate tooling with a simple structure and a simple and quick fixing process, thereby improving the installation and disassembly efficiency of the car tailgate tooling, and the tooling is firmly fixed, making it less likely for the tooling to shift or fall off, thereby ensuring the positioning accuracy of the tooling and its safety during use.

[0006] In order to solve the above technical problems, the technical solution adopted by the present invention is: a car tailgate tool, comprising a tool body and a clamp for installing the tool body on the car body, at least two clamps are provided, and the two clamps are respectively installed at the two ends of the tool body, and a Y-direction positioning pin is provided on one side of the tool body close to the car body. There are two Y-direction positioning pins, and the two Y-direction positioning pins are respectively slidably installed on the two ends of the tool body, and a tailgate positioning pin for fixing the position of the car tailgate is also provided on the side of the tool body close to the car tailgate.

[0007] In this technical solution, the length of the car is the X-direction, the width of the car is the Y-direction, and the height of the car is the Z-direction. The length of the tool body matches the distance between the left and right side panels of the car body. When installing the car's tailgate, the ends of the tool body are fixed to the left and right side panels of the car body, respectively. The tool body is provided with Y-direction locating pins that can be inserted into the car body to limit the Y-direction displacement of the tool body, thereby achieving a positioning effect. A single Y-direction locating pin only fixes the position of the tool body and cannot limit the tool body's deflection around a single locating pin. Two Y-direction locating pins are provided, installed at the left and right ends of the tool body, respectively. Both Y-direction locating pins can be simultaneously inserted into the process holes of the car body, thereby limiting the tool body's deflection around a single locating pin. The Y-direction locating pin is slidably connected to the tool body and can slide along the Y-direction on the tool body, thereby allowing the position of the Y-direction locating pin to be adjusted to accommodate car bodies of different specifications. The side of the tooling body closest to the car's rear door is also provided with a rear door locating pin for fixing the position of the car's rear door. The rear door locating pin can be inserted into the process hole on the car's rear door to determine the position of the car's rear door. The tooling body is fixed to the vehicle body by a clamp. At least two clamps are provided, clamped to the left and right side panels of the vehicle body. The friction generated by the clamps clamping with the side panels limits the displacement of the tooling body, ensuring that the tooling body does not shift or fall off. The clamps are easy to clamp and release, allowing the tooling body to be quickly installed on or removed from the vehicle body. While ensuring the stability of the tooling installation, it has high installation and removal efficiency, which is conducive to improving the installation efficiency of the car's rear door.

[0008] Preferably, the clamp includes a first clamp arm and a second clamp arm arranged opposite to each other, the first clamp arm is fixedly mounted on the tooling body, a first clamping space for clamping the vehicle body is formed between the second clamp arm and the first clamp arm, one end of the second clamp arm is hinged to the tooling body, and a locking device for locking the second clamp arm is also provided on the tooling body.

[0009] Preferably, the locking device is a locking buckle, a hinge seat is fixed on the tool body, and two hinge holes are provided on the hinge seat. The hinge hole close to the side of the tool body is hinged to the second clamp arm, and the other hinge hole is hinged to the locking device.

[0010] Preferably, the locking device is a Y-shaped structure, comprising a main body and two branch bodies, one end of the two branch bodies being connected to the main body, the other end of the two branch bodies being hinged to the hinged seat, a second clamping space for accommodating the second clamping arm being formed between the two branch bodies, and the distance between the two branch bodies decreases toward the direction of the main body.

[0011] Preferably, a linkage device is further provided on the tool body, and two ends of the linkage device are respectively connected to the two Y-direction positioning pins.

[0012] Preferably, the linkage device includes a connecting rod and a swing rod, the middle part of the swing rod is installed on the tooling body, the swing rod is hinged to the tooling body, there are two connecting rods, one end of the two connecting rods is hinged to the two Y-direction positioning pins respectively, and the other end of the two connecting rods is hinged to the two ends of the swing rod respectively.

[0013] Preferably, the Y-axis positioning pin includes a pin and a sliding block, the pin is fixed on the sliding block, the sliding block is provided with a sliding rod, one end of the sliding rod is fixedly connected to the sliding block, a limit block is provided on the tooling body, the limit block is provided with a through hole, the other end of the sliding rod is inserted from one end of the through hole and extends out of the other end of the through hole, and the end of the sliding rod extending out of the through hole is hinged to the linkage device.

[0014] Preferably, the pin is a bidirectional pin.

[0015] Preferably, the tailgate locating pin includes a second pin and a bracket, the bracket is fixed to the tooling body, the second pin is installed on the bracket, the side of the bracket on which the second pin is installed can be abutted against the tailgate of the car, and the second pin can be inserted into the process hole of the tailgate of the car.

[0016] Preferably, a gap plug is further provided on a surface of the tool body close to the rear door, and a surface of the gap plug away from the tool body has an X-direction positioning surface.

[0017] Compared with the prior art, the beneficial effects of the present invention are as follows: the tool body is fixed to the car body by a clamp, and the fixation is firm and not easy to fall off, thereby ensuring the positioning accuracy and safety of the tool during use. The fixing process is simple and quick, which improves the installation and disassembly efficiency of the car tailgate tool. The tool body is fixed firmly and not easy to fall off. Two Y-direction locating pins are provided, which can limit the Y-direction displacement of the car while also limiting the deflection of the car tailgate around a single Y-direction locating pin. The Y-direction locating pin is slidably connected to the tool body, and the Y-direction locating pin can be slid along the Y-direction on the tool body to achieve adjustment to adapt to car tailgates of different specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a three-dimensional diagram of the utility model of the automobile back door tooling;

[0019] Figure 2 This is a three-dimensional diagram of the clamp in the automobile tailgate tooling of the present invention;

[0020] Figure 3 This is a three-dimensional diagram of the sliding block in the automobile back door tooling of the present invention;

[0021] Figure 4 It is a perspective view of the side where the linkage device is located in the automobile back door tooling of the utility model.

[0022] In the accompanying drawings: 1. tool body; 2. clamp; 3. Y-axis positioning pin; 4. linkage device; 5. tailgate positioning pin; 6. handle; 11. limit block; 12. through hole; 13. gap plug; 14. X-axis positioning surface; 21. first clamp arm; 22. second clamp arm; 23. locking device; 24. hinge seat; 31. pin; 32. sliding block; 33. sliding rod; 41. connecting rod; 42. swing rod; 51. second pin; 52. bracket; 231. main body; 232. branch body. DETAILED DESCRIPTION

[0023] The drawings are for illustrative purposes only and should not be construed as limiting this patent. To better illustrate the embodiments, some components in the drawings may be omitted, enlarged, or reduced in size, and do not represent actual product dimensions. Those skilled in the art will understand that some well-known structures and their descriptions may be omitted from the drawings. The positional relationships depicted in the drawings are for illustrative purposes only and should not be construed as limiting this patent.

[0024] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "long", "short", etc. indicating directions or positional relationships, they are based on the directions or positional relationships shown in the drawings. This is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limiting this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0025] The technical solution of the present invention is further described in detail below through specific embodiments and in conjunction with the accompanying drawings:

[0026] Example 1

[0027] like Figure 1 As shown, a car tailgate fixture includes a fixture body 1 and clamps 2 for mounting the fixture body 1 on the car body. The fixture body 1 includes at least two clamps 2, one mounted at each end of the fixture body 1. The fixture body 1 also includes two Y-direction locating pins 3, each slidably mounted on each end of the fixture body 1. A tailgate locating pin 5 for securing the tailgate is also provided on the side of the fixture body 1 proximal to the car tailgate. The length of the car is defined as the X-direction, the width as the Y-direction, and the height as the Z-direction. The length of the fixture body 1 matches the distance between the left and right side panels of the car body. When mounting the tailgate, the two ends of the fixture body 1 are fixed to the left and right side panels of the car body. The fixture body 1 is provided with Y-direction locating pins 3, which can be inserted into the car body to limit the Y-direction displacement of the tailgate, thereby achieving a positioning effect. A single Y-direction locating pin 3 can only fix the position of the tool body, but cannot limit the deflection of the tool body 1 around a single Y-direction locating pin 3. Two Y-direction locating pins 3 are provided, respectively installed at the left and right ends of the tool body 1. The two Y-direction locating pins 3 can be inserted into the process holes of the car body at the same time, thereby limiting the deflection of the tool body 1 around a single Y-direction locating pin 3. The Y-direction locating pin 3 is slidably connected to the tool body 1. The Y-direction locating pin 3 can slide along the Y-direction on the tool body 1, thereby adjusting the position of the Y-direction locating pin 3 to adapt to car bodies of different specifications. The side of the tool body 1 close to the car back door is also provided with a back door locating pin 5 for fixing the position of the car back door. The back door locating pin 5 can be inserted into the process hole on the car back door to determine the position of the car back door. The fixture body 1 is secured to the vehicle body via clamps 2. At least two clamps 2 are provided, one clamping the left and right side panels of the vehicle body. The friction generated by the clamps 2 against the side panels limits the displacement of the fixture body 1, ensuring that it does not shift or fall off. The clamps 2 are easy to clamp and release, allowing the fixture body 1 to be quickly installed or removed from the vehicle body. This ensures a secure fixture installation while providing efficient installation and removal, greatly improving the efficiency of tailgate installation.

[0028] like Figure 2As shown, the clamp 2 includes a first clamp arm 21 and a second clamp arm 22 arranged opposite each other. The first clamp arm 21 is fixedly mounted on the tool body 1. The second clamp arm 22 and the first clamp arm 21 form a first clamping space for clamping the vehicle body. One end of the second clamp arm 22 is hingedly connected to the tool body 1. The tool body 1 is also provided with a locking device 23 for locking the second clamp arm 22. The first clamp arm 21 and the second clamp arm 22 are engaged to clamp the two sides of the automobile body sheet metal. When the clamp 2 clamps the automobile body, the first clamp arm 21 and the second clamp arm 22 contact the automobile body sheet metal, generating friction. This friction restricts the movement of the tool body 1 in the Y direction. At the same time, the first clamp arm 21 and the second clamp arm 22 are located on either side of the automobile body sheet metal in the X direction, restricting the relative movement of the tool body 1 in the X direction and thus fixing the position of the tool body 1. The clamp 2 can quickly loosen and clamp the first clamp arm 21 and the second clamp arm 22, thereby achieving efficient installation and removal of the tool body 1 and improving the efficiency of the tool. The first clamp arm 21 is fixedly mounted on the tool body 1 and cannot move relative to the tool body 1. When installing the tool body 1, the first clamp arm 21 can be pressed against the automobile body sheet metal to determine the position of the tool body 1. The second clamp arm 22 is hinged to the tool body 1. When installing the tool body 1, the second clamp arm 22 is first rotated away from the first clamp arm 21 to make room for the automobile body sheet metal to enter. After the automobile body sheet metal enters the space between the first clamping arm 21 and the second clamping arm 22, the second clamping arm 22 is rotated toward the first clamping arm 21 until the second clamping arm 22 and the first clamping arm 21 jointly clamp the automobile body sheet metal. The second clamping arm 22 is then locked using the locking device 23, preventing it from rotating. This ensures that the clamping of the automobile body sheet metal does not loosen and cause the tool body 1 to shift or fall off. When the tailgate is installed, the clamp 2 can be released from the automobile body sheet metal by simply releasing the locking device 23 from the second clamping arm 22, thereby removing the tool body.

[0029] like Figure 2As shown, the locking device 23 is a locking buckle. A hinged base 24 is fixed to the tool body 1. The hinged base 24 has two hinge holes. The hinge hole on the side of the tool body 1 is hingedly connected to the second clamping arm 22, while the other hinge hole is hingedly connected to the locking device 23. The hinged base 24 is used to fix the relative position between the locking device 23 and the second clamping arm 22. When the second clamping arm 22 and the first clamping arm 21 jointly clamp the automobile body sheet metal, the locking device 23 also rotates toward the first clamping arm 21, ultimately positioning the locking device 23 in the X-direction of the second clamping arm 22. When the clamp 2 is released, the second clamping arm 22 needs to rotate away from the first clamping arm 21. However, the contact area between the second clamping arm 22 and the locking device 23 undergoes X-direction movement, causing interference with the locking device 23, thereby restricting the rotation of the second clamping arm 22 and locking the second clamping arm 22. In order to release the locking effect of the locking device 23, the locking device 23 needs to be rotated away from the first clamping arm 21. At this time, the movement direction of the locking device 23 is the Y direction, which is perpendicular to the movement direction of the second clamping arm 22. Therefore, the second clamping arm 22 cannot actively drive the locking device 23 to rotate, thereby causing the clamping function of the clamp 2 to disappear. When the clamping needs to be released, the locking device 23 must be rotated first before the second clamping arm 22 can be rotated.

[0030] like Figure 3 As shown, the locking device 23 has a Y-shaped structure and comprises a main body 231 and two branch bodies 232. One end of each branch body 232 is connected to the main body 231, and the other end of each branch body 232 is hingedly connected to the hinge seat 24. A second clamping space is formed between the two branch bodies 232 for accommodating the second clamping arm 22. The distance between the two branch bodies 232 decreases toward the main body 231. The second clamping arm 22 is clamped in the second clamping space between the two branch bodies 232 and can only move within the second clamping space, ensuring that the second clamping arm 22 does not escape the locking device 23. The main body 231 serves as a handle for actuating the locking device 23. The distance between the two branch bodies 232 decreases toward the main body 231, ensuring that there is a position between the two branch bodies 232 slightly smaller than the thickness of the second clamping arm 22. This position can slightly deform and become lodged against the second clamping arm 22, generating friction that prevents the locking device 23 from moving in the locked position.

[0031] Example 2

[0032] This embodiment is similar to the above embodiment 1, and the difference is that: Figure 1As shown, the tool body 1 is also provided with a linkage device 4, the two ends of which are respectively connected to the two Y-direction positioning pins 3. The function of the linkage device 4 is to ensure that the two Y-direction positioning pins 3 can restrain each other when sliding on the tool body 1, ensuring that the two Y-direction positioning pins 1 are symmetrical about the central axis of the tool body 1, thereby ensuring that the installed car tailgate is located in the center of the car body without deviation.

[0033] like Figure 3 As shown, the linkage 4 comprises a connecting rod 41 and a swinging rod 42. The middle portion of the swinging rod 42 is mounted on the fixture body 1 and hingedly connected to the fixture body 1. There are two connecting rods 41, one end of each connecting rod 41 being hinged to two Y-direction locating pins 3, and the other end of each connecting rod 41 being hinged to the ends of the swinging rod 42. The two Y-direction locating pins 3 are located on the same straight line as the center point of the fixture body 1 and can only move along this straight line. When one of the Y-direction locating pins 3 moves, the distance between it and the center point of the fixture body 1 changes, causing the angle between the connecting rod 41 and the swinging rod 42 to change. During this movement, the linkage 4 remains centered around the center point of the fixture body 1. Therefore, the other connecting rod 41 also moves, which in turn drives the other Y-direction locating pin 3 to move. Ultimately, this ensures that the two Y-direction locating pins 3 are always centered around the center point of the fixture body 1, thus ensuring proper alignment during tailgate installation.

[0034] like Figure 3 As shown, the Y-axis positioning pin 3 includes a pin 31 and a sliding block 32. Pin 31 is fixed to the sliding block 32, which is provided with a slide rod 33. One end of the slide rod 33 is fixedly connected to the sliding block 32. A limit block 11 is provided on the tool body 1. The limit block 11 is provided with a through hole 12. The other end of the slide rod 33 is inserted from one end of the through hole 12 and extends out from the other end of the through hole 12. The end of the slide rod 33 extending through the through hole 12 is hingedly connected to the linkage device 4. The slide rod 33 and the through hole 12 on the limit block 11 function to limit the movement direction of the slide block 32, so that the slide block 32 can only move axially along the slide rod 33 and the through hole 12. Pin 31 is used to insert into the process hole on the car tailgate to determine the Y-axis position of the car tailgate.

[0035] like Figure 3 As shown, the pin 31 is a bidirectional pin. The end of the pin 31 closest to the vehicle body can be inserted into the process hole of the vehicle body to determine the Z-axis position of the tool body 1. The other end of the pin 31 can be inserted into the process hole of the vehicle door to determine the installation position of the car tailgate.

[0036] Example 3

[0037] This embodiment is similar to the above embodiment 1, except that Figure 1 As shown, the side of the tooling body 1 closest to the vehicle door is provided with a tailgate locating pin 5. The door locating pin 5 comprises a second pin 51 and a bracket 52. The bracket 52 is fixed to the tooling body 1, and the second pin 51 is mounted on the bracket 52. The side of the bracket 52 on which the second pin 51 is mounted can abut against the vehicle's tailgate. The second pin 51 can be inserted into the process hole of the vehicle's tailgate, thereby fixing the vehicle's Y and Z positions. The side of the bracket 52 on which the second pin 51 is mounted is the X-direction position of the tailgate when it is installed. When the tailgate is installed, the second pin 51 is fully inserted into the process hole of the vehicle's tailgate, and the side of the bracket 52 on which the second pin 51 is mounted abuts against the vehicle door, thereby fixing the X-direction position of the tailgate.

[0038] like Figure 1 As shown, a gap plug 13 is provided on the side of the tool body 1 proximal to the tailgate, and an X-direction positioning surface 14 is provided on the side of the tool body 1 distal to the tool body 1. The gap plug 13 is used to assist in determining the X-direction position of the vehicle tailgate. The X-direction positioning surface 14 on the gap plug 13 is the X-direction position of the tailgate when it is installed. When the tailgate is installed, it abuts against the X-direction positioning surface 14, and the gap plug 13 supports the X-direction position of the tailgate.

[0039] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. A person skilled in the art will be able to make other variations or modifications based on the above description. It is not necessary and impossible to enumerate all implementation methods here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the claims of the present invention.

Claims

1. A car back door tooling, characterized in that: The utility model comprises a tool body (1) and a clamp (2) for mounting the tool body (1) on a car body, wherein at least two clamps (2) are provided, and the two clamps (2) are respectively mounted on the two ends of the tool body (1); a Y-direction positioning pin (3) is provided on one side of the tool body (1) close to the car body, and two Y-direction positioning pins (3) are provided, and the two Y-direction positioning pins (3) are respectively slidably mounted on the two ends of the tool body (1); a back door positioning pin (5) for fixing the position of the back door of the car is also provided on one side of the tool body (1) close to the back door of the car.

2. The automobile tailgate tooling according to claim 1, characterized in that: The clamp (2) comprises a first clamp arm (21) and a second clamp arm (22) which are arranged opposite to each other, the first clamp arm (21) being fixedly mounted on the tool body (1), a first clamping space for clamping the automobile body being formed between the second clamp arm (22) and the first clamp arm (21), one end of the second clamp arm (22) being hinged to the tool body (1), and a locking device (23) for locking the second clamp arm (22) being further provided on the tool body (1).

3. The automobile tailgate tooling according to claim 2, characterized in that: The locking device (23) is a locking buckle, and a hinge seat (24) is fixed on the tool body (1). The hinge seat (24) is provided with two hinge holes. The hinge hole close to the side of the tool body (1) is hinged to the second clamp arm (22), and the other hinge hole is hinged to the locking device (23).

4. The automobile tailgate tooling according to claim 3, characterized in that: The locking device (23) is a Y-shaped structure, comprising a main body (231) and two branch bodies (232), one end of the two branch bodies (232) being connected to the main body (231), and the other end of the two branch bodies (232) being hinged to the hinge seat (24), a second clamping space for accommodating the second clamping arm (22) being formed between the two branch bodies (232), and the distance between the two branch bodies (232) decreasing toward the direction of the main body (231).

5. The automobile tailgate tooling according to claim 1, characterized in that: A linkage device (4) is also provided on the tool body (1), and two ends of the linkage device (4) are respectively connected to the two Y-direction positioning pins (3).

6. The automobile tailgate tooling according to claim 5, characterized in that: The linkage device (4) includes a connecting rod (41) and a swing rod (42). The middle part of the swing rod (42) is installed on the tool body (1). The swing rod (42) is hinged to the tool body (1). There are two connecting rods (41). One end of the two connecting rods (41) is hinged to the two Y-direction positioning pins (3) respectively, and the other end of the two connecting rods (41) is hinged to the two ends of the swing rod (42) respectively.

7. The automobile tailgate tooling according to claim 5, characterized in that: The Y-axis positioning pin (3) includes a pin (31) and a sliding block (32), wherein the pin (31) is fixed on the sliding block (32), and the sliding block (32) is provided with a sliding rod (33), one end of the sliding rod (33) is fixedly connected to the sliding block (32), a limiting block (11) is provided on the tooling body (1), and a through hole (12) is provided on the limiting block (11), and the other end of the sliding rod (33) is inserted from one end of the through hole (12) and extends out of the other end of the through hole (12), and the end of the sliding rod (33) extending out of the through hole (12) is hinged to the linkage device (4).

8. The automobile tailgate tooling according to claim 7, characterized in that: The pin (31) is a bidirectional pin.

9. The automobile tailgate tooling according to claim 1, characterized in that: The back door positioning pin (5) comprises a second pin (51) and a bracket (52), wherein the bracket (52) is fixed to the tool body (1), the second pin (51) is mounted on the bracket (52), and the side of the bracket (52) on which the second pin (51) is mounted can abut against the back door of the car, and the second pin (51) can be inserted into the process hole of the back door of the car.

10. The automobile tailgate tooling according to claim 1, characterized in that: A gap plug (13) is also provided on the side of the tooling body (1) close to the rear door, and the side of the gap plug (13) away from the tooling body (1) has an X-direction positioning surface (14).

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