Automobile part clamping device

Abstract

The utility model discloses an automobile part clamping device, which relates to the technical field of automobile part processing, and comprises two support plates and guide seats, the side end part of each guide seat is provided with a clamping assembly, each clamping assembly comprises a chuck body, a movable side plate and a positioning bolt, the side end of each positioning plug pin is in butt joint with the top end of the movable side plate in a sliding mode, a rotating base is fixedly installed at the side end of each positioning plug pin, the two guide bases are driven to symmetrically slide in the supporting plate, the guide bases gradually get close to a part and extrude and fix the part, and in the process, the two guide bases are driven to rotate. A thrust pad at the top end of a pressure sensor fixedly installed at the side end of the guide seat firstly makes contact with the part and continuously slides along with the guide seat, the side end of the thrust pad extrudes one end of the pressure sensor, the pressure sensor can accurately detect the extrusion force borne by the two sides of the part, and an operator can accurately control the clamping force accordingly; and part deformation caused by too large clamping force is effectively avoided.

Description

Technical Field

[0001] This utility model relates to the field of automotive parts processing technology, and in particular to an automotive parts clamping device. Background Technology

[0002] During the machining and welding processes of automotive parts, stable and precise clamping and positioning are required to ensure that the parts remain in place during operation and meet the demands of high-precision production. In practical applications, the following technologies are typically needed:

[0003] 1. Base, providing a solid foundation for the entire clamping device;

[0004] 2. Positioning components enable preliminary horizontal positioning of the parts;

[0005] 3. Clamping assembly, used to clamp and fix the parts;

[0006] Currently, existing clamping devices (such as patent publication number: CN214921762U) disclose a welding clamping fixture for automotive parts. The clamping fixture is used to clamp the parts for welding. After clamping the parts, the clamping fixture can be adjusted up, down, left, and right and can rotate the angle, so that the welding angle of the two parts can be adjusted arbitrarily. After the adjustment is completed, it is locked and fixed, and the welder performs welding. During the welding process, because the clamping fixture is locked and fixed, it can prevent the angle of the parts from deviating during the welding process.

[0007] Different types and sizes of automotive parts require different chucks, resulting in diverse demands on the chucks of clamping devices. When the chucks are worn, damaged, or lose precision, the bolts are prone to stripping due to the fixed connection between the chuck and the base after long-term use. Disassembling and replacing stripped bolts requires more time. Utility Model Content

[0008] To address the shortcomings of existing technologies, this utility model provides an automotive parts clamping device that solves the technical problem that when the chuck is worn, damaged, or loses precision, the bolts are prone to stripping due to the fixed connection between the chuck and the base after long-term use, requiring more time to disassemble and replace the stripped bolts.

[0009] To achieve the above objectives, this utility model provides the following technical solution:

[0010] A clamping device for automotive parts includes two support plates and guide seats. Each guide seat has a clamping assembly at its side end. Each clamping assembly includes a chuck body, a movable side plate, and a positioning pin. The side end of each positioning pin slides and engages with the top end of the movable side plate. A rotating seat is fixedly installed on the side end of each positioning pin.

[0011] Preferably, a pressure sensor is fixedly installed on the side end of each of the guide seats, and a thrust pad is fixedly installed on the top of each of the pressure sensors;

[0012] Each of the guide seats has a multi-segment guide sleeve fixedly installed at its top end, and an adjusting screw is rotatably installed inside each of the guide sleeves;

[0013] Two support rocker arms that rotatably engage with positioning pins are mounted on the outer side of each guide sleeve.

[0014] Preferably, each of the guide seats has a threaded push rod rotatably mounted at its end, which is connected to the support plate; each of the guide seats has two wire harnesses fixedly mounted at its end; and each of the movable side plates has a flexible bending design.

[0015] Two protrusions that engage with the guide seat are fixedly installed on the inner side of each clamp body; the slots at the side ends of the guide seat fit with the protrusions.

[0016] Compared with the prior art, the present invention has the following beneficial effects;

[0017] In this utility model, the chuck body and the guide seat adopt a split design to form a modular structure. When the chuck body needs to be replaced, the operator rotates the bolt at the top of the positioning pin, and then pulls the positioning pin upward to make it slide upward on the top of the movable side plate until it leaves the inside of the movable side plate. At this time, pulling the chuck body can disconnect the chuck body from the groove at the side end of the guide seat, so as to separate the chuck body from the guide seat for replacement.

[0018] In this invention, by driving two guide seats to slide symmetrically inside the support plate, the guide seats gradually approach the part and press and fix it. During this process, the thrust pad at the top of the pressure sensor fixedly installed at the side end of the guide seat first contacts the part. As the guide seat continues to slide, its side end presses one end of the pressure sensor. The pressure sensor can accurately detect the pressing force on both sides of the part. Based on this, the operator can accurately control the clamping force and effectively avoid deformation of the part due to excessive clamping force. Attached Figure Description

[0019] The above description is only an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, the preferred embodiments of this utility model are described in detail below with reference to the accompanying drawings.

[0020] Figure 1 This is a structural diagram of the support plate of this utility model;

[0021] Figure 2 This is a structural diagram of the guide seat of this utility model;

[0022] Figure 3 This is a structural diagram of the chuck body of this utility model;

[0023] Figure 4 This is a structural diagram of the thrust pad of this utility model.

[0024] In the diagram: 11. Support plate; 12. Guide seat; 13. Threaded push rod; 14. Wiring harness; 15. Chuck body; 16. Movable side plate; 17. Positioning pin; 18. Pressure sensor; 19. Thrust pad; 21. Support rocker arm; 22. Guide sleeve; 23. Adjusting screw. Detailed Implementation

[0025] This application provides an automotive parts clamping device that effectively solves the problem that when the chuck is worn, damaged, or loses precision, the bolts are prone to stripping due to the fixed connection between the chuck and the base after long-term use. This requires more time to disassemble and replace the stripped bolts. The chuck body and the guide seat adopt a split design to form a modular structure. When the chuck body needs to be replaced, the operator rotates the bolt at the top of the positioning pin and then pulls the positioning pin upward, causing it to slide upward at the top of the movable side plate until it leaves the interior of the movable side plate. At this time, pulling the chuck body can disconnect the chuck body from the groove at the side end of the guide seat, thus separating the chuck body from the guide seat for replacement.

[0026] Example

[0027] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the technical solution in this application embodiment effectively solves the technical problem that when the chuck is worn, damaged, or loses precision, the bolts are prone to stripping due to the fixed connection between the chuck and the base after long-term use, requiring more time to disassemble and replace the stripped bolts. The overall idea is as follows:

[0028] To address the problems existing in the prior art, this utility model provides an automotive parts clamping device, including two support plates 11 and guide seats 12. Each guide seat 12 has a clamping assembly at its side end. Each clamping assembly includes a chuck body 15, a movable side plate 16, and a positioning pin 17. The side end of each positioning pin 17 slides against the top end of the movable side plate 16. A rotating seat is fixedly installed at the side end of each positioning pin 17. By rotating the bolt at the top of the positioning pin 17, the positioning pin 17 is pulled upwards, allowing it to move within the movable side plate 16. The top of the side plate 16 slides upward, the positioning pin 17 leaves the interior of the movable side plate 16, and at the same time pulls the chuck body 15, so that the chuck body 15 is disconnected from the side end of the guide seat 12. The groove on the side end of the guide seat 12 is disconnected from the chuck body 15. By designing the guide seat 12 and the chuck body 15 separately, the chuck body 15 forms a modular design. The appropriate chuck module can be quickly replaced according to the shape, size and material of different automotive parts. When the chuck body 15 is worn, only the chuck body 15 can be replaced separately, which is convenient for maintenance.

[0029] Each guide seat 12 is fixedly equipped with a pressure sensor 18 at its side end, and a thrust pad 19 is fixedly installed at the top of each pressure sensor 18. By driving the two guide seats 12 to slide inside the support plate 11, the two guide seats 12 slide symmetrically and the parts are squeezed and fixed by the guide seats 12. At the same time, the top of the thrust pad 19 contacts the parts and slides on the side end of the guide seat 12 while squeezing one end of the pressure sensor 18. The pressure sensor 18 detects the squeezing force on both sides of the parts, which can accurately control the clamping force and avoid deformation of the parts due to excessive clamping force.

[0030] Each guide seat 12 has a multi-segment guide sleeve 22 fixedly installed at its top. Each guide sleeve 22 has an adjusting screw 23 rotatably installed inside. By rotating the adjusting screw 23, the adjusting screw 23 rotates inside the guide sleeve 22. The surface of the adjusting screw 23 fits into the inside of the guide sleeve 22, applying an upward force to the guide sleeve 22. The end of the guide sleeve 22 has a multi-segment design and can extend and retract. At the same time, the guide sleeve 22 generates an oblique pulling force on the support rocker arm 21, allowing the movable side plate 16 to slide at the side end of the chuck body 15, adjusting the distance between the two movable side plates 16. Meanwhile, the position of the chuck body 15 is fixed by the support rocker arm 21 to prevent the chuck body 15 from sliding or misaligning.

[0031] Two support rocker arms 21 are rotatably mounted on the outer side of each guide sleeve 22 and are connected to the positioning pin 17. The chuck body 15 is installed on the side end of the guide seat 12. By swinging the support rocker arms 21, the support rocker arms 21 rotate on the side end of the guide sleeve 22. At the same time, the support rocker arms 21 drive the positioning pin 17 to insert into the top of the movable side plate 16. By rotating the screw inside the positioning pin 17, the movable side plate 16 is fixedly connected to the positioning pin 17. At the same time, the support rocker arms 21 exert a pulling force on the positioning pin 17 and provide a limiting and fixing effect on the chuck body 15, so that the chuck body 15 cannot slide.

[0032] Each guide seat 12 has a threaded push rod 13 rotatably mounted at its end, which is connected to the support plate 11. Two wire harnesses 14 are fixedly mounted at the end of each guide seat 12. Each movable side plate 16 has a flexible bending design. By rotating the buckle at the top of the guide seat 12, the end of the buckle is connected to the pressure sensor 18 through a bevel gear, allowing the threaded push rod 13 to rotate at the side end of the guide seat 12. The rotation of the threaded push rod 13 pushes the guide seat 12 to slide inside the support plate 11, adjusting the distance between the two guide seats 12. At the same time, the wire harness 14 connects the support plate 11 and the interior of the guide seat 12, and the pressure signal collected by the pressure sensor 18 is transmitted through the wire harness 14.

[0033] Two protrusions that engage with the guide seat 12 are fixedly installed on the inner side of each chuck body 15. The slots at the side end of the guide seat 12 fit with the protrusions. Pressing the side end of the chuck body 15 inserts the chuck body 15 into the side end of the guide seat 12. Since the protrusions engage with the side end of the guide seat 12, they play a role in pre-positioning the installation of the chuck body 15.

[0034] Working principle:

[0035] The first step is that the chuck body 15 and the guide seat 12 adopt a split design to form a modular structure. When the chuck body 15 needs to be replaced, the operator rotates the bolt at the top of the positioning pin 17, and then pulls the positioning pin 17 upward to make it slide upward at the top of the movable side plate 16 until it leaves the interior of the movable side plate 16. At this time, pulling the chuck body 15 can disconnect the chuck body 15 from the side groove of the guide seat 12, so as to separate the chuck body 15 from the guide seat 12 for replacement.

[0036] When installing the chuck body 15, press the side end of the chuck body 15. The two protruding plates fixedly installed on the inner side of the chuck body 15 fit into the slots on the side end of the guide seat 12 to achieve pre-positioning. The chuck body 15 can be easily and quickly inserted into the side end of the guide seat 12. Then, swing the support rocker arm 21. The support rocker arm 21 rotates on the side end of the guide sleeve 22, driving the positioning pin 17 to insert into the top of the movable side plate 16. Then, rotate the screw inside the positioning pin 17 to fix the movable side plate 16 and the positioning pin 17. At the same time, the support rocker arm 21 generates a pulling force on the positioning pin 17, thereby providing a limiting and fixing effect on the chuck body 15 and preventing it from sliding.

[0037] By driving two guide seats 12 to slide symmetrically inside the support plate 11, the guide seats 12 gradually approach the part and press and fix it. During this process, the thrust pad 19 at the top of the pressure sensor 18 fixedly installed on the side end of the guide seat 12 first contacts the part. As the guide seat 12 continues to slide, its side end presses one end of the pressure sensor 18. The pressure sensor 18 can accurately detect the pressing force on both sides of the part. Based on this, the operator can accurately control the clamping force and effectively avoid deformation of the part due to excessive clamping force.

[0038] The second step involves the operator rotating the adjusting screw 23 at the top of the guide seat 12. The adjusting screw 23 rotates inside the guide sleeve 22. Since the surface of the adjusting screw 23 fits inside the guide sleeve 22, it applies an upward force to the guide sleeve 22 during rotation. The end of the guide sleeve 22 has a multi-segment telescopic design. After being subjected to the upward force, it generates an oblique pulling force on the support rocker arm 21, thereby causing the movable side plate 16 to slide at the side end of the chuck body 15, achieving the purpose of adjusting the distance between the two movable side plates 16. At the same time, the support rocker arm 21 fixes the position of the chuck body 15 during this process to prevent the chuck body 15 from sliding or misaligning.

[0039] The operator rotates the buckle at the top of the guide seat 12. The rotation of the buckle causes the threaded push rod 13 to rotate at the side end of the guide seat 12. The rotation of the threaded push rod 13 pushes the guide seat 12 to slide inside the support plate 11, thereby adjusting the distance between the two guide seats 12. At the same time, two wire harnesses 14 fixedly installed at the end of the guide seat 12 connect the support plate 11 and the inside of the guide seat 12. The pressure signal collected by the pressure sensor 18 is transmitted through the wire harnesses 14 so that the pressure data can be fed back to the operator or control system in a timely and accurate manner.

[0040] Finally, it should be noted that the above embodiments are merely examples for clearly illustrating the present invention and are not intended to limit the implementation. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. A clamping device for automotive parts, comprising two support plates (11) and a guide seat (12), characterized in that, Each guide seat (12) is provided with a clamping assembly at its side end. Each clamping assembly includes a chuck body (15), a movable side plate (16), and a positioning pin (17). The side end of each positioning pin (17) is slidably connected to the top end of the movable side plate (16). A rotating seat is fixedly installed at the side end of each positioning pin (17).

2. The automotive parts clamping device as described in claim 1, characterized in that, A pressure sensor (18) is fixedly installed on the side end of each of the guide seats (12), and a thrust pad (19) is fixedly installed on the top of each of the pressure sensors (18).

3. The automotive parts clamping device as described in claim 1, characterized in that, Each of the guide seats (12) has a multi-segment guide sleeve (22) fixedly installed at its top end, and each of the guide sleeves (22) has an adjusting screw (23) rotatably installed inside.

4. The automotive parts clamping device as described in claim 3, characterized in that, Two support arms (21) that mate with positioning pins (17) are rotatably mounted on the outer side of each guide sleeve (22).

5. The automotive parts clamping device as described in claim 1, characterized in that, Each of the guide seats (12) is rotatably mounted with a threaded push rod (13) connected to the support plate (11) at its end. Each of the guide seats (12) is fixedly mounted with two wire harnesses (14) at its end. Each of the movable side plates (16) is designed with a flexible bending feature.

6. The automotive parts clamping device as described in claim 1, characterized in that, Two protrusions that engage with the guide seat (12) are fixedly installed on the inner side of each clamp body (15); the slots at the side ends of the guide seat (12) fit with the protrusions.

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