A clamping fixture suitable for multi-shaped automotive parts

By designing an electric telescopic rod and clamping components, the problem of existing clamping fixtures being unable to fully fit automotive parts has been solved, enabling the detachable replacement and positioning of clamping components, and improving the stability and efficiency of parts processing.

CN224274719UActive Publication Date: 2026-05-26HUBEI GULIAN IND CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HUBEI GULIAN IND CO LTD
Filing Date
2025-04-21
Publication Date
2026-05-26

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Abstract

This invention proposes a clamping fixture suitable for various shapes of automotive parts, relating to the field of parts processing technology. Existing automotive parts clamping fixtures are equipped with two support plates connected by a connecting shaft. By adjusting the opening angle between the first and second support plates, they can be adapted to automotive parts of various sizes and shapes. However, because such clamping fixtures cannot completely fit the automotive parts, uneven force may occur on the surface of the automotive parts, causing the parts to shake during processing, assembly, and other operations. This invention is equipped with a detachable and replaceable automotive parts clamping component. For different batches of automotive parts, the appropriate clamping component can be replaced to effectively ensure the stability of the automotive parts clamping. It is equipped with a positioning pin and a positioning groove, which is beneficial for positioning during the installation of the clamping component and ensures the standardization of the device installation. At the same time, it is equipped with a spring-loaded switch pin, which is beneficial for the quick installation and removal of the clamping component.
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Description

Technical Field

[0001] This utility model relates to the field of parts processing technology, and in particular to a clamping fixture suitable for multi-shaped automotive parts. Background Technology

[0002] Automotive parts clamping fixtures are specialized equipment designed to accurately and stably fix and support various automotive parts during the manufacturing, assembly, and testing processes, facilitating operations such as machining, assembly, welding, and measurement, ensuring machining accuracy and operational safety, and improving production efficiency.

[0003] Chinese Patent CN211516754U discloses a clamping fixture suitable for processing multi-shaped automotive parts, belonging to the field of parts processing technology. It includes a placement plate with a support frame on its front side and a connecting shaft on the inner wall of the support frame. This clamping fixture, suitable for processing multi-shaped automotive parts, clamps the parts by cooperating with a first threaded post, a second threaded post, a first support plate, a second support plate, a clamping plate, bolts, and pads. Rotating the second bolt controls the pads to move to the left. When encountering a round part, the bolts and pads can be directly removed, allowing the clamping plate to stably clamp the round part. This device is applicable to parts of various sizes and shapes, ensuring convenience and simplicity in the clamping process during parts processing, while effectively reducing processing costs and improving processing efficiency.

[0004] Existing automotive parts clamping fixtures are equipped with two support plates connected by a connecting shaft. By adjusting the opening angle between the first and second support plates, they can be adapted to automotive parts of various sizes and shapes. However, because such clamping fixtures are difficult to fit the automotive parts completely, uneven force may occur on the surface of the automotive parts, causing the parts to shake during processing, assembly and other operations. Utility Model Content

[0005] The technical problem to be solved by this utility model is to overcome the defects of the existing technology. This utility model proposes a clamping fixture suitable for multi-shaped automotive parts, which solves the problem that the clamping fixture is difficult to fully fit the automotive parts.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is: a clamping fixture suitable for multi-shaped automotive parts, comprising: an automotive parts clamping device body, an operating component inside the automotive parts clamping device body, the operating component including an electric telescopic rod, the electric telescopic rod penetrating through the interior of the automotive parts clamping device body, a clamping component on the side of the electric telescopic rod, the clamping component including a mounting base, the mounting base being fixedly connected to the electric telescopic rod, an mounting groove inside the mounting base, a positioning groove at the top of the mounting base, a fixing outer ring fixedly connected to the outer wall of the mounting base, a clip groove at the bottom of the fixing outer ring, a fixing block fixedly connected to the interior of the fixing outer ring, a device spring fixedly connected to the side of the fixing block, a switch pin fixedly connected to the other side of the device spring, a switch clip fixedly connected to the outer wall of the switch pin, an mounting pin engaging with the inner wall of the mounting groove, a positioning pin fixedly connected to the top of the mounting pin, a pin fixing groove inside the positioning pin, and an automotive parts clamping component fixedly connected to the side of the positioning pin.

[0007] Preferably, the spring of the device is located inside the fixed outer ring, and the spring of the device plays the role of elastic support.

[0008] Preferably, the switch pin slides inside the fixed outer ring, and the switch pin is arranged in a semi-circular shape.

[0009] Preferably, the positioning pin works in conjunction with the positioning groove to perform the positioning function, and the top of the positioning pin is arc-shaped.

[0010] Preferably, one end of the electric telescopic rod is fixedly connected to a worm gear body, and a worm gear shaft is movably connected to the side of the worm gear body. The worm gear shaft is fixedly connected to the main body of the automotive parts clamping device. A worm body is engaged at the bottom of the worm gear shaft. A turntable is fixedly connected to one side of the worm body, and a connecting rod is fixedly connected to the other side of the worm body. A transmission belt is provided on the outer wall of the connecting rod, and a transmission shaft is provided on the side of the transmission belt.

[0011] Preferably, the transmission between the worm gear body and the worm wheel shaft is unidirectional.

[0012] Preferably, the diameter of the connecting rod is the same as the diameter of the transmission shaft, and the transmission belt plays a role in transmission.

[0013] Compared with the prior art, the beneficial effects of this utility model include: According to the shape of the automotive parts, a suitable automotive part clamping component is replaced; the sliding switch clip drives the switch pin to slide within the fixed outer ring; at this time, the device spring compresses and contracts; when the switch pin leaves the pin fixing groove, the automotive part clamping component is disassembled and a suitable automotive part clamping component is replaced; the mounting pin is placed in the mounting groove, and the positioning pin is placed in the positioning groove; then the automotive part clamping component is installed; after the automotive part clamping component is installed, the switch clip is released; at this time, under the elastic action of the device spring, the switch pin is pushed to slide within the fixed outer ring until the switch pin passes through the pin fixing groove and inserts into the fixed outer ring. The invention features a detachable and replaceable automotive part clamping component, allowing for the replacement of suitable clamping components for different batches of automotive parts, effectively ensuring the stability of automotive part clamping; the positioning pin and positioning groove facilitate positioning during clamping component installation, ensuring the standardization of device installation; and the spring-loaded switch pin facilitates the quick installation and disassembly of the clamping component. Attached Figure Description

[0014] The disclosure of this utility model is illustrated with reference to the accompanying drawings. It should be understood that the drawings are for illustrative purposes only and are not intended to limit the scope of protection of this utility model. In the drawings, the same reference numerals are used to refer to the same parts. Wherein:

[0015] Figure 1 The schematic diagram shows a front view of a clamping fixture suitable for multi-shaped automotive parts according to one embodiment of the present invention.

[0016] Figure 2 The diagram schematically shows an enlarged structural schematic of an operating component according to one embodiment of the present invention;

[0017] Figure 3 The diagram schematically shows an enlarged structural schematic of the worm gear portion according to one embodiment of the present invention;

[0018] Figure 4 The schematic diagram shows a disassembly structure of a clamping assembly according to one embodiment of the present invention.

[0019] Figure 5The diagram schematically shows a cross-sectional view of the fixed outer ring portion according to one embodiment of the present invention. Reference numerals in the figure are: 1. Main body of the automotive parts clamping device; 2. Operating component; 201. Electric telescopic rod; 202. Worm gear main body; 203. Worm gear shaft; 204. Worm main body; 205. Turntable; 206. Connecting rod; 207. Transmission belt; 208. Transmission shaft; 3. Clamping component; 301. Mounting base; 302. Mounting groove; 303. Positioning groove; 304. Fixed outer ring; 305. Clip groove; 306. Fixing block; 307. Device spring; 308. Switch pin; 309. Switch clip; 310. Mounting pin; 311. Positioning pin; 312. Pin fixing groove; 313. Automotive parts clamping component. Detailed Implementation

[0020] It is readily understood that, based on the technical solution of this utility model, those skilled in the art can propose various interchangeable structural methods and implementations without altering the essential spirit of this utility model. Therefore, the following detailed embodiments and accompanying drawings are merely illustrative descriptions of the technical solution of this utility model and should not be considered as the entirety of this utility model or as limitations or restrictions on the technical solution of this utility model.

[0021] According to the embodiments of this utility model, combined with Figures 1 to 5The illustration shows a clamping fixture suitable for multi-shaped automotive parts, comprising: an automotive parts clamping device body 1; an operating component 2 disposed inside the automotive parts clamping device body 1; the operating component 2 including an electric telescopic rod 201 extending through the interior of the automotive parts clamping device body 1; a clamping component 3 disposed on the side of the electric telescopic rod 201; the clamping component 3 including a mounting base 301; the mounting base 301 being fixedly connected to the electric telescopic rod 201; a mounting groove 302 formed inside the mounting base 301; a positioning groove 303 formed at the top of the mounting base 301; a fixing outer ring 304 fixedly connected to the outer wall of the mounting base 301; a clip groove 305 formed at the bottom of the fixing outer ring 304; and a fixing block 306 fixedly connected inside the fixing outer ring 304. A device spring 307 is fixedly connected to one side of the 06. A switch pin 308 is fixedly connected to the other side of the device spring 307. A switch clip 309 is fixedly connected to the outer wall of the switch pin 308. An installation pin 310 is engaged with the inner wall of the mounting groove 302. A positioning pin 311 is fixedly connected to the top of the mounting pin 310. A pin fixing groove 312 is opened inside the positioning pin 311. An automotive part clamping component 313 is fixedly connected to the side of the positioning pin 311. The device spring 307 is located inside the fixed outer ring 304 and plays an elastic support role. The switch pin 308 slides inside the fixed outer ring 304. The switch pin 308 is semi-circular. The positioning pin 311 cooperates with the positioning groove 303 to play a positioning role. The top of the positioning pin 311 is arc-shaped.

[0022] According to the shape of the automotive parts, replace the appropriate automotive part clamping component 313, slide the switch clip 309, and the switch clip 309 drives the switch pin 308 to slide within the fixed outer ring 304. At this time, the device spring 307 is compressed and contracted. When the switch pin 308 leaves the pin fixing groove 312, remove the automotive part clamping component 313 and replace it with a suitable automotive part clamping component 313. Place the mounting pin 310 in the mounting groove 302 and the positioning pin 311 in the positioning groove 303, and then install the automotive part clamping component 313. After the automotive part clamping component 313 is installed, release the switch clip. 309. At this point, under the elastic action of the device spring 307, the switch pin 308 is pushed to slide within the fixed outer ring 304 until the switch pin 308 passes through the pin fixing groove 312 and inserts into the fixed outer ring 304. A detachable and replaceable automotive part clamping component 313 is provided. For different batches of automotive parts, the appropriate clamping component can be replaced to effectively ensure the stability of the automotive part clamping. A positioning pin 311 and a positioning groove 303 are provided to facilitate positioning during the installation of the clamping component and ensure the standardization of the device installation. At the same time, a spring-loaded switch pin 308 is provided to facilitate the quick installation and removal of the clamping component.

[0023] According to the embodiments of this utility model, combined with Figures 1 to 3 The illustration shows a clamping fixture suitable for various shapes of automotive parts. One end of an electric telescopic rod 201 is fixedly connected to a worm gear body 202. A worm gear shaft 203 is movably connected to the side of the worm gear body 202. The worm gear shaft 203 is fixedly connected to the main body 1 of the automotive parts clamping device. A worm gear body 204 is engaged at the bottom of the worm gear shaft 203. A turntable 205 is fixedly connected to one side of the worm gear body 204. A connecting rod 206 is fixedly connected to the other side of the worm gear body 204. A transmission belt 207 is provided on the outer wall of the connecting rod 206. A transmission shaft 208 is provided on the side of the transmission belt 207. The worm gear body 204 and the worm gear shaft 203 transmit power in one direction. The diameter of the connecting rod 206 is the same as the diameter of the transmission shaft 208. The transmission belt 207 serves as the transmission mechanism.

[0024] When the device is in use, the electric telescopic rod 201 is activated, extending to clamp the car parts. The turntable 205 is rotated, which drives the worm gear body 204 and the connecting rod 206 to rotate. The connecting rod 206 drives the transmission shaft 208 to rotate via the transmission belt 207. The worm gear body 204 drives the worm wheel body 202 and the electric telescopic rod 201 to rotate around the worm wheel shaft 203, which can adjust the angle of the car parts.

[0025] The technical scope of this utility model is not limited to the content described above. Those skilled in the art can make various modifications and variations to the above embodiments without departing from the technical concept of this utility model, and all such modifications and variations should fall within the protection scope of this utility model.

Claims

1. A clamping fixture suitable for holding automotive parts of various shapes, characterized in that, include: The main body of the automotive parts clamping device includes an operating component. This operating component includes an electric telescopic rod that extends through the interior of the main body. A clamping component is located on the side of the electric telescopic rod. The clamping component includes a mounting base, which is fixedly connected to the electric telescopic rod. The mounting base has an internal mounting groove and a top positioning groove. A fixing outer ring is fixedly connected to the outer wall of the mounting base. A clip groove is located at the bottom of the fixing outer ring. A fixing block is fixedly connected to the inside of the fixing outer ring. A device spring is fixedly connected to the side of the fixing block. A switch pin is fixedly connected to the other side of the device spring. A switch clip is fixedly connected to the outer wall of the switch pin. An installation pin is engaged with the inner wall of the mounting groove. A positioning pin is fixedly connected to the top of the installation pin. The positioning pin has an internal pin fixing groove. An automotive parts clamping component is fixedly connected to the side of the positioning pin.

2. The clamping fixture suitable for multi-shaped automotive parts according to claim 1, characterized in that, The spring in the device is located inside the fixed outer ring, and the spring provides elastic support.

3. The clamping fixture suitable for multi-shaped automotive parts according to claim 1, characterized in that, The switch pin slides inside the fixed outer ring, and the switch pin is arranged in a semi-circular shape.

4. The clamping fixture suitable for multi-shaped automotive parts according to claim 1, characterized in that, The positioning pin works in conjunction with the positioning groove to perform a positioning function, and the top of the positioning pin is arc-shaped.

5. The clamping fixture suitable for multi-shaped automotive parts according to claim 1, characterized in that, One end of the electric telescopic rod is fixedly connected to a worm gear body, and a worm gear shaft is movably connected to the side of the worm gear body. The worm gear shaft is fixedly connected to the main body of the automotive parts clamping device. A worm gear body is engaged at the bottom of the worm gear shaft. A turntable is fixedly connected to one side of the worm gear body, and a connecting rod is fixedly connected to the other side of the worm gear body. A transmission belt is provided on the outer wall of the connecting rod, and a transmission shaft is provided on the side of the transmission belt.

6. The clamping fixture suitable for multi-shaped automotive parts according to claim 5, characterized in that, The transmission between the worm gear body and the worm wheel shaft is unidirectional.

7. The clamping fixture suitable for multi-shaped automotive parts according to claim 5, characterized in that, The diameter of the connecting rod is the same as the diameter of the transmission shaft, and the transmission belt serves to drive the transmission.

Citation Information

Patent Citations

  • Clamping tool suitable for machining automobile parts in various shapes

    CN211516754U