Side wall positioning clamp

Abstract

The utility model relates to the technical field of automobile production tests, in particular to a side wall positioning clamp which comprises a base plate, the base plate is vertically fixed on the ground, and a clamping device used for clamping an automobile side wall is arranged on the face, facing the automobile side wall, of the base plate. A first positioning pin capable of being inserted into a fabrication hole of the automobile side wall is further arranged on the face, facing the automobile side wall, of the base plate, and a cross beam positioning device is further arranged at the upper end of the base plate. The automobile side wall and the roof beam can be fixed at the same time, so that a robot can weld the automobile side wall and the beam conveniently, the automobile side wall and the beam can be rapidly fixed and unfixed, and the welding operation efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile body manufacturing, and more specifically to a side panel positioning fixture. Background Art

[0002] During the automobile body production process, the left and right side panels are typically stamped from sheet metal. The crossbeams are then welded to the left and right side panels to form the final body. Before welding, the side panels need to be erected and fixed in position, requiring specialized fixtures to ensure proper positioning.

[0003] There is a Chinese invention with publication number CN115255770A, which discloses a trial production welding positioning system and method for the side outer panel assembly of a passenger car. The sliding welding positioning platform includes a fixture mounting platform, a linear guide rail, a base platform, a welding fixture, a protective fence, a handrail, a fixture mounting positioning pin, a fixture mounting platform position positioning pin and a fixture mounting platform position positioning pin seat. The fixture mounting platform is fixedly connected to two linear guide rails and slides along the linear guide rails; the linear guide rails are fixedly connected to the base platform; the base platform is fixed to the ground by anchor bolts; the welding fixture is mounted on the fixture mounting platform; the protective fence is mounted on the fixture mounting platform; the handrail is mounted on the outside of the fixture mounting platform; the fixture mounting positioning pin is connected to the fixture mounting platform; the fixture mounting platform position positioning pin is connected to the fixture mounting platform; the fixture mounting platform position positioning pin seat is fixedly connected to the base platform. The present invention improves the trial production welding efficiency of the side outer panel assembly and reduces the trial production cost.

[0004] In the above technical solution, the clamp is not provided with a device for fixing the top crossbeam of the car, and cannot fix the car side panel and the crossbeam at the same time, making it difficult to confirm the relative position of the side panel and the crossbeam. Deviations are likely to occur when the car side panel is assembled, thereby affecting the assembly accuracy. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a side panel positioning fixture, which can quickly fix and release the side panel and the top crossbeam of the automobile, which is conducive to improving the efficiency and accuracy of the welding operation.

[0006] In order to solve the above technical problems, the utility model provides a side panel positioning fixture, including a base plate, which is vertically fixed on the ground. The side of the base plate facing the side panel of the car is provided with a clamping device for clamping the side panel of the car. The side of the base plate facing the side panel of the car is also provided with a first positioning pin that can be inserted into the process hole of the side panel of the car. The upper end of the base plate is also provided with a crossbeam positioning device.

[0007] In this technical solution, in normal use, the car side panels are erected vertically on the ground after being assembled. During welding, the car side panels are mounted on a base plate using clamping devices and locating pins. The base plate is used to install the clamping devices and locating pins, determine their positions, and bear the weight of the car side panels after they are assembled. To facilitate the alignment of the car parking space with the car crossbeam, the base plate needs to be placed vertically on the ground to adapt to the normal use of the car side panels. When the car side panels need to be welded, the car side panels are erected so that the plane of the car side panels is parallel to the base plate. The car side panels are then adjusted so that the process holes on the car side panels align with the locating pins on the base plate. The car side panels are then moved toward the base plate so that the locating pins are inserted into the process holes in the car side panels to determine the position of the car side panels. However, the locating pins only limit the movement of the car side panels in the vertical direction and cannot limit the movement of the car side panels along the length of the locating pins. This makes it easy for the locating pins to be pulled out of the car side panels, causing the car side panels to fall off the base plate, posing a safety hazard. At the same time, to facilitate insertion and removal, the locating pins and the process holes of the car side panel generally use a clearance fit. This allows the car side panel to move to a certain extent, reducing the positioning accuracy. Therefore, a clamping device is also provided on the base plate. The clamping device can quickly clamp the car side panel, thereby limiting the change in the car side panel's position. This makes it difficult for the car side panel to fall off the locating pins and lose its fixing effect on the car side panel, thereby improving the accuracy and safety of the car side panel positioning. After the car side panel is mortgaged, the clamping device only needs to release the clamping device on the car side panel and then move the car side panel out of the locating pin along the length of the locating pin to remove the car side panel. This process is simple and quick, which helps to improve work efficiency. The relative position between the left and right car side panels is fixed by a crossbeam. Therefore, when welding the car side panels, the position of the crossbeam must also be determined to prevent deviations in the crossbeam welding position. A crossbeam positioning device is also provided at the upper end of the base plate, which is used to fix the top crossbeam of the car, ensuring that the relative position of the crossbeam and the car side is accurate and will not change, thereby improving the car side assembly accuracy.

[0008] Preferably, the beam positioning device includes a first mounting frame, a first driving member and a beam arm, the first mounting frame is mounted on the base plate, the first driving member is mounted on the first mounting frame, the driving end of the first driving member is connected to one end of the beam arm to drive the beam arm to rotate on a plane perpendicular to the plane where the base plate is located, the other end of the beam arm is fixed with a second positioning pin that can be inserted into the process hole in the automobile beam, and the beam arm is also provided with a second driving member and a support member for supporting the automobile beam, the second driving member is mounted on the beam arm, and the driving end of the second driving member is connected to the support member to drive the support member to rotate on a plane perpendicular to the length direction of the beam arm.

[0009] Preferably, the support member is an L-shaped structure, and the two ends of the support member are respectively a first end and a second end, the first end is connected to the driving end of the second driving member, and the second end is toward the rotation direction of the beam supported by the support member, and an accommodating space for supporting the beam is formed between the first end and the second end.

[0010] Preferably, the clamping device includes a first clamping component and a second clamping component, and the first clamping component and the second clamping component are respectively provided in plurality. The first clamping component and the second clamping component are installed on a substrate, and the first clamping component has a first clamping surface perpendicular to the ground and parallel to the plane of the substrate, and the second clamping component has a second clamping surface parallel to the ground.

[0011] Preferably, the first clamping assembly includes a second mounting frame, a third driving member, a fixed clamping member and a first clamping member, the second mounting frame is mounted on the substrate, the third driving member is mounted on the second mounting frame, the fixed clamping member is fixed to the second mounting frame, the fixed clamping member has a first clamping portion perpendicular to the ground and parallel to the plane of the substrate, the driving end of the third driving member is connected to one end of the first clamping member to drive the first clamping member to rotate, the other end of the first clamping member is a second clamping portion, and the first clamping portion abuts against the second clamping portion to form a first clamping surface.

[0012] Preferably, the first clamping member is an L-shaped structure.

[0013] Preferably, the second clamping member gradually includes a third mounting frame, a fourth mounting frame, a fourth driving member, a fifth driving member, a second clamping member and a third clamping member, the third mounting frame and the fourth mounting frame are both mounted on the substrate, the fourth driving member is mounted on the fourth mounting frame, the fifth driving member is mounted on the fourth mounting frame, the second clamping member and the third clamping member are mounted opposite to each other, the driving end of the fourth driving member is connected to one end of the second clamping member to drive the second clamping member to rotate, the driving end of the fifth driving member is connected to one end of the second clamping member to drive the third clamping member to rotate, and the second clamping member abuts against the third clamping member to form a second clamping surface.

[0014] Preferably, the second clamping member and the third clamping member are both L-shaped structures.

[0015] Preferably, a controller for controlling the operation of the clamping device and the beam positioning device is also provided on the base plate.

[0016] Preferably, a fixing plate is provided at the lower end of the base plate, the fixing plate is arranged horizontally, and bolt holes are provided on the fixing plate.

[0017] Compared with the prior art, the present invention offers the following advantages: the baseplate is fixed vertically to the ground, and the vehicle side panels are secured to the baseplate via positioning pins and a clamping device, facilitating the alignment of the vehicle side panels with the vehicle crossbar. The positioning pins facilitate quick positioning of the vehicle side panels. The clamping device clamps the vehicle side panels, preventing them from shifting and improving positioning accuracy. The clamping and releasing processes are simple and quick, enabling rapid securing and removal of the vehicle side panels, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a front view of the side panel positioning fixture of the utility model;

[0019] Figure 2 It is a three-dimensional diagram of the vertical clamping device of the side panel positioning fixture of the utility model;

[0020] Figure 3 This is a three-dimensional diagram of the horizontal clamping device of the side panel positioning fixture of the present invention;

[0021] Figure 4 It is a three-dimensional diagram of the crossbeam positioning device of the side panel positioning fixture of the present invention.

[0022] In the accompanying drawings: 1. Base plate; 2. Clamping device; 3. First positioning pin; 4. Beam positioning device; 11. Fixed plate; 21. First clamping assembly; 22. Second clamping assembly; 41. First mounting bracket; 42. First driving member; 43. Beam arm; 44. Second positioning pin; 45. Second driving member; 46. Support member; 211. Second mounting bracket; 212. Third driving member; 213. Fixed clamping member; 214. First clamping member; 221. Third mounting bracket; 222. Fourth mounting bracket; 223. Fourth driving member; 224. Fifth driving member; 225. Second clamping member; 226. Third clamping member. 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 1As shown, a side panel positioning fixture includes a base plate 1, which is fixed vertically on the ground. The side of the base plate 1 facing the side panel of the car is provided with a clamping device 2 for clamping the side panel of the car. The side of the base plate 1 facing the side panel of the car is also provided with a first positioning pin 3 that can be inserted into the process hole of the side panel of the car. The upper end of the base plate 1 is also provided with a crossbeam positioning device 4. In normal use scenarios, the side panel of the car stands vertically on the ground after being spliced. During welding, the side panel of the car is installed on the base plate 1 through the clamping device 2 and the first positioning pin 3. The base plate 1 is used to install the clamping device 2 and the first positioning pin 3 and determine the positions of the clamping device 2 and the first positioning pin 3, as well as to bear the weight of the side panel of the car after it is fixed. In order to facilitate the matching of the car parking space with the car crossbeam, the base plate 1 needs to be set vertically to the ground to adapt to the normal use scenario of the car side panel. When welding a car side panel, the car side panel is erected so that the plane of the car side panel is parallel to the base plate 1. The car side panel is then adjusted so that the process hole on the car side panel is aligned with the first locating pin 3 on the base plate 1. The car side panel is then moved toward the base plate 1 so that the first locating pin 3 is inserted into the process hole in the car side panel, thereby determining the position of the car side panel. However, the first locating pin 3 only restricts the movement of the car side panel in the vertical direction and cannot restrict the movement of the car side panel along the length of the first locating pin 3. As a result, the first locating pin 3 can be easily pulled out of the car side panel, causing the car side panel to fall off the base plate 1, posing a safety hazard. At the same time, to facilitate insertion and removal, the first locating pin 3 and the process hole of the vehicle side panel generally use a clearance fit. This allows the vehicle side panel to move to a certain extent, reducing positioning accuracy. Therefore, the base plate 1 is also provided with a clamping device 2. The clamping device 2 can quickly clamp the vehicle side panel, thereby limiting the change in the vehicle side panel's position. This prevents the vehicle side panel from falling off the first locating pin 3 and losing its fixed function, thereby improving the precision and safety of positioning the vehicle side panel. After the vehicle side panel is secured, the clamping device 2 only needs to release the clamping device 2 from the vehicle side panel and then move the vehicle side panel out of the first locating pin 3 along its length to remove the vehicle side panel. This process is simple and quick, and helps improve work efficiency. In actual welding, two side panel positioning fixtures are generally used. They are installed opposite each other, respectively clamping the left and right side panels of the vehicle. A crossbeam is then placed between the left and right side panels of the vehicle, and the left and right side panels are welded to the crossbeam, ultimately completing the vehicle body. The relative position between the left and right side panels of the vehicle is fixed by a crossbeam. Therefore, the crossbeam's position must be determined during welding to prevent deviations in the crossbeam welding position. A crossbeam positioning device 4 is also provided at the top end of the base plate 1. This device is used to secure the top crossbeam of the vehicle, ensuring the precise relative position between the crossbeam and the side panel, which remains unchanged during welding, thereby improving the precision of the side panel assembly.

[0028] like Figure 4 As shown, the beam positioning device 4 includes a first mounting frame 41, a first driving member 42 and a beam arm 43. The first mounting frame 41 is mounted on the base plate 1, and the first driving member 42 is mounted on the first mounting frame 41. The driving end of the first driving member 42 is connected to one end of the beam arm 43 to drive the beam arm 43 to rotate on a plane perpendicular to the plane where the base plate 1 is located. The other end of the beam arm 43 is fixed with a second positioning pin 44 that can be inserted into the process hole in the automobile beam. The beam arm 43 is also provided with a second driving member 45 and a support member 46 for supporting the automobile beam. The second driving member 45 is mounted on the beam arm 43, and the driving end of the second driving member 45 is connected to the support member 46 to drive the support member 46 to rotate on a plane perpendicular to the length direction of the beam arm 43. The first mounting bracket 41 is used to mount the first driver 42 and the crossbeam arm 43. When the vehicle side panel moves into the clamped position, the crossbeam arm 43 may interfere with the vehicle side panel, hindering its movement. Therefore, the crossbeam arm 43 is rotatable, allowing the vehicle side panel to move freely. A second locating pin 44 is provided on the rotating arm, which inserts into a process hole in the crossbeam to secure the crossbeam position and prevent deviation. The first driver 42 drives the crossbeam arm 43 to rotate. The support member 46 supports the crossbeam. Initially, the support member 46 is positioned away from the crossbeam arm 43, clearing a path for the crossbeam to enter. When the crossbeam reaches the preset position, the second locating pin 44 engages the crossbeam. The support member 46 then rotates toward the crossbeam arm 43 until it abuts the crossbeam, preventing the crossbeam from moving away from the second locating pin 44. The second driver 45 drives the support member 46 to rotate.

[0029] like Figure 4 As shown, the support member 46 is an L-shaped structure, with the two ends of the support member 46 being a first end and a second end, the first end being connected to the driving end of the second driving member 45, and the second end being oriented toward the rotation direction of the beam supported by the support member 46, and an accommodation space for supporting the beam is formed between the first end and the second end. The beam is subject to gravity, and it is necessary to provide an upward supporting force for the beam below the beam. Since the beam is located directly below the beam arm 43, the support member 46 installed on the beam arm 43 cannot directly extend under the beam and contact the lower surface of the beam to provide an upward supporting force for the beam. Therefore, it is necessary to set the support member 46 to an L-shaped structure, with the two ends of the support member 46 being a first end and a second end, wherein the first end is connected to the second driving member 45 to drive the support member 46 to rotate, and the second end is oriented in the same direction as the rotation direction of the beam supported by the support member 46. When the second driving member 45 drives the supporting member 46 to rotate in the direction of the beam, the second end extends under the beam as the supporting member 46 rotates, and the beam enters the accommodating space formed between the first end and the second end. Finally, the second end abuts against the lower surface of the beam, providing upward supporting force for the beam.

[0030] Example 2

[0031] This embodiment is similar to the above embodiment 1, except that Figure 1 As shown, the clamping device 2 includes a first clamping assembly 21 and a second clamping assembly 22. Multiple first and second clamping assemblies 21 and 22 are provided, respectively. Each of the first and second clamping assemblies 21 and 22 is mounted on a base plate 1. The first clamping assembly 21 has a first clamping surface perpendicular to the ground and parallel to the plane of the base plate 1, while the second clamping assembly 22 has a second clamping surface parallel to the ground. In addition to vertical sections, cars also have some horizontal sections. Clamping the vertical sections alone only limits horizontal displacement of the car's side panels, but cannot completely secure them. The car's side panels must be clamped horizontally to limit vertical displacement. Therefore, a first clamping assembly 21 with a first clamping surface perpendicular to the ground and a second clamping assembly 22 with a second clamping surface horizontal to the ground are required to accommodate clamping requirements in different directions. Multiple first and second clamping assemblies 21 and 22 are provided to increase the number of clamping points on the car's side panels, improve fixation stability, and ensure the precision of the side panel positioning fixture. The positions of the first clamping device 21 and the second clamping device 22 can be flexibly set on the base plate 1 according to the vehicle model and welding requirements.

[0032] like Figure 2As shown, the first clamping assembly 21 includes a second mounting frame 211, a third driving member 212, a fixed clamping member 213 and a first clamping member 214. The second mounting frame 211 is installed on the substrate 1, the third driving member 212 is installed on the second mounting frame 211, and the fixed clamping member 213 is fixed on the second mounting frame 211. The fixed clamping member 213 has a first clamping portion perpendicular to the ground and parallel to the plane of the substrate 1. The driving end of the third driving member 212 is connected to one end of the first clamping member 214 to drive the first clamping member 214 to rotate. The other end of the second clamping member 214 is a second clamping portion. The first clamping portion abuts against the second clamping portion to form a first clamping surface. The first clamping assembly 21 restricts the movement of the vehicle side panel by providing a fixed clamping member 213 and a second clamping member 214 on either side of the vehicle side panel. The vehicle side panel moves horizontally, interfering with the fixed clamping member 213 or the second clamping member 214, thereby restricting its displacement. When the vehicle side panel is installed, the vehicle side panel moves horizontally to a clamped position. During this process, the vehicle side panel is blocked by the second clamping member 214, preventing it from moving to the clamped position between the fixed clamping member 213 and the second clamping member 214. Therefore, the second clamping member 214 is rotatable. When the vehicle side panel needs to be clamped, the second clamping member 214 is first rotated away from the fixed clamping member 213, thereby opening the space between the second clamping member 214 and the fixed clamping member 213, thereby making way for the vehicle side panel to move in and out. After the vehicle side panel moves in, it abuts the first clamping portion of the fixed clamp 213, thereby determining the horizontal position of the vehicle side panel. The second clamp 214 then rotates toward the fixed clamp 213 until the second clamping portion of the second clamp 214 rotates to the side of the vehicle panel away from the fixed clamp 213. There, it joins the first clamping portion of the fixed clamp 213 to clamp the vehicle side panel at the first clamping surface. The third drive member 213 is used to drive the rotation of the second clamp 214, thereby increasing the automation level of the side panel positioning fixture and eliminating the need for manual rotation of the second clamp 214. The second mounting bracket 211 is used to mount the third drive member 212, the fixed clamp 213, and the second clamp 214.

[0033] like Figure 3 As shown, the first clamping member 214 is an L-shaped structure. Due to the obstruction of the vehicle side panel structure, it is difficult for the first clamping member 214 to directly abut against the back of the vehicle side panel to achieve the vehicle side panel clamping. Therefore, it is necessary to configure the first clamping member 214 as an L-shaped structure so that the second clamping portion of the first clamping member 214 extends into the back of the vehicle side panel and abuts against it.

[0034] like Figure 3As shown, the second clamping assembly 22 includes a third mounting frame 221, a fourth mounting frame 222, a fourth driving member 223, a fifth driving member 224, a second clamping member 225 and a third clamping member 226. The third mounting frame 221 and the fourth mounting frame 222 are both mounted on the substrate 1, the fourth driving member 223 is mounted on the third mounting frame 221, the fifth driving member 224 is mounted on the fourth mounting frame 222, the second clamping member 225 and the third clamping member 226 are mounted opposite to each other, the driving end of the fourth driving member 223 is connected to one end of the second clamping member 225 to drive the second clamping member 225 to rotate, the driving end of the fifth driving member 22 is connected to one end of the third clamping member 226 to drive the third clamping member 226 to rotate, and the second clamping member 225 and the third clamping member 226 abut to form a second clamping surface. On the side of the vehicle, the horizontal portion of the side is generally positioned behind the vertical portion of the side. The vertical portion of the side contacts the side positioning fixture before the horizontal portion. The side moves horizontally into the clamping position. During this process, the second clamping assembly 22 will interfere with the vertical portion of the side, preventing the side from moving into the clamping position. Therefore, the second clamping member 225 and the third clamping member 226 in the second clamping assembly 22, which are used to clamp the side, are configured to rotate. When the side moves in, the second clamping member 225 and the third clamping member 226 rotate away from each other to clear a path for the side to move in. After the side moves to the clamping position, the second clamping member 225 and the third clamping member 226 rotate toward each other, ultimately forming a second clamping surface from both the upper and lower directions to clamp the side. The fourth driving member 223 and the fifth driving member 224 are used to drive the second clamping member 225 and the third clamping member 226 to rotate respectively. The third mounting bracket 221 is used to mount the fourth driving member 223 and the second clamping member 225 . The fourth mounting bracket 222 is used to mount the fifth driving member 224 and the third clamping member 226 .

[0035] like Figure 3 As shown, both the second clamping member 225 and the third clamping member 226 are L-shaped. Due to the obstruction of the vehicle's side panel structure, the second clamping member 225 and the third clamping member 226 cannot directly clamp the horizontal portion of the vehicle's side panel. Therefore, the second clamping member 225 and the third clamping member 226 are both configured in an L-shaped structure to bypass the obstruction of the vehicle's side panel structure.

[0036] Example 3

[0037] This embodiment is similar to the above embodiment 1, except that Figure 1As shown, the base plate 1 is also provided with a controller 5 for controlling the operation of the clamping device 2 and the crossbeam positioning device 4. The controller 5 can uniformly control the first driving member 42, the second driving member 45, the third driving member 212, the fourth driving member 223, and the fifth driving member 224 to control the clamp to clamp and release the vehicle side panel.

[0038] like Figure 1 As shown, a fixing plate 11 is provided at the lower end of the base plate 1. The fixing plate 11 is arranged horizontally and has bolt holes provided therein. The fixing plate 11 is used to increase the contact area between the base plate and the ground and improve stability. The fixing plate 11 is provided with bolt holes and is fixed to the ground via bolts.

[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 side panel positioning fixture, characterized in that: The invention comprises a base plate (1), wherein the base plate (1) is fixed vertically on the ground, and a clamping device (2) for clamping the side of the vehicle is provided on the side of the base plate (1) facing the side of the vehicle, and a first positioning pin (3) capable of being inserted into a process hole of the side of the vehicle is also provided on the side of the base plate (1) facing the side of the vehicle, and a crossbeam positioning device (4) is also provided at the upper end of the base plate (1).

2. A side panel positioning fixture according to claim 1, characterized in that: The crossbeam positioning device (4) comprises a first mounting frame (41), a first driving member (42) and a crossbeam arm (43), wherein the first mounting frame (41) is mounted on the base plate (1), the first driving member (42) is mounted on the first mounting frame (41), the driving end of the first driving member (42) is connected to one end of the crossbeam arm (43) to drive the crossbeam arm (43) to rotate on a plane perpendicular to the plane where the base plate (1) is located, the other end of the crossbeam arm (43) is fixed with a second positioning pin (44) which can be inserted into a process hole in the automobile crossbeam, and the crossbeam arm (43) is also provided with a second driving member (45) and a support member (46) for supporting the automobile crossbeam, the second driving member (45) is mounted on the crossbeam arm (43), the driving end of the second driving member (45) is connected to the support member (46) to drive the support member (46) to rotate on a plane perpendicular to the length direction of the crossbeam arm (43).

3. The side panel positioning fixture according to claim 2, characterized in that: The support member (46) is an L-shaped structure, and the two ends of the support member (46) are respectively a first end and a second end, the first end is connected to the driving end of the second driving member (45), and the second end supports the rotation direction of the beam toward the support member (46), and an accommodating space for supporting the beam is formed between the first end and the second end.

4. The side panel positioning fixture according to claim 1, characterized in that: The clamping device (2) comprises a first clamping component (21) and a second clamping component (22), wherein a plurality of the first clamping components (21) and the second clamping components (22) are respectively provided, and the first clamping components (21) and the second clamping components (22) are installed on a substrate (1), wherein the first clamping component (21) has a first clamping surface perpendicular to the ground and parallel to the plane where the substrate (1) is located, and the second clamping component (22) has a second clamping surface parallel to the ground.

5. The side panel positioning fixture according to claim 4, characterized in that: The first clamping assembly (21) comprises a second mounting frame (211), a third driving member (212), a fixed clamping member (213) and a first clamping member (214); the second mounting frame (211) is mounted on the substrate (1); the third driving member (212) is mounted on the second mounting frame (211); the fixed clamping member (213) is fixed on the second mounting frame (211); the fixed clamping member (213) has a first clamping portion perpendicular to the ground and parallel to the plane where the substrate (1) is located; the driving end of the third driving member (212) is connected to one end of the first clamping member (214) to drive the first clamping member (214) to rotate; the other end of the first clamping member (214) is a second clamping portion; the first clamping portion abuts against the second clamping portion to form a first clamping surface.

6. The side panel positioning fixture according to claim 5, characterized in that: The first clamping member (214) is an L-shaped structure.

7. The side panel positioning fixture according to claim 4, characterized in that: The second clamping assembly (22) comprises a third mounting frame (221), a fourth mounting frame (222), a fourth driving member (223), a fifth driving member (224), a second clamping member (225) and a third clamping member (226); the third mounting frame (221) and the fourth mounting frame (222) are both mounted on the substrate (1); the fourth driving member (223) is mounted on the third mounting frame (221); and the fifth driving member (224) is mounted on the fourth mounting frame (222). On the upper part, the second clamping member (225) and the third clamping member (226) are installed opposite to each other, the driving end of the fourth driving member (223) is connected to one end of the second clamping member (225) to drive the second clamping member (225) to rotate, the driving end of the fifth driving member (224) is connected to one end of the third clamping member (226) to drive the third clamping member (226) to rotate, and the second clamping member (225) and the third clamping member (226) are in contact with each other to form a second clamping surface.

8. The side panel positioning fixture according to claim 7, characterized in that: The second clamping member (225) and the third clamping member (226) are both L-shaped structures.

9. The side panel positioning fixture according to claim 1, characterized in that: The base plate (1) is also provided with a controller (5) for controlling the operation of the clamping device (2) and the beam positioning device (4).

10. The side panel positioning fixture according to claim 1, characterized in that: A fixing plate (11) is provided at the lower end of the base plate (1), the fixing plate (11) is arranged horizontally, and bolt holes are provided on the fixing plate (11).

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