Machining clamp for machining automobile parts

By designing an automatic flipping and stable clamping fixture for automotive parts, the problems of manual flipping and easy damage to parts in existing technologies have been solved, achieving efficient and stable clamping and flipping operations.

CN224238845UActive Publication Date: 2026-05-15SHANGHAI LIANWEI AUTOMOBILE TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI LIANWEI AUTOMOBILE TECH CO LTD
Filing Date
2025-05-13
Publication Date
2026-05-15

AI Technical Summary

Technical Problem

Existing automotive parts processing fixtures can only process one side when clamping uneven parts, requiring manual flipping, which affects efficiency and easily damages the parts.

Method used

A clamping device was designed, comprising a base frame, a clamping frame, a movable plate, and a gear system. The device achieves automatic flipping of parts by driving a long shaft with a motor and engaging gears, and uses a combination of metal abutments and spring plates for stable clamping.

Benefits of technology

It enables automatic flipping and stable clamping of automotive parts, improving processing efficiency and extending the service life of the fixture.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of automobile part machining, in particular to a machining clamp for automobile part machining, which comprises a bottom frame and a clamping frame, connecting plates are fixedly mounted on the surface of the upper end of the bottom frame close to two sides, inserting plates are inserted into the two connecting plates, two clamping plates are movably mounted in the clamping frame, and the two clamping plates are movably mounted in the clamping frame. A plurality of clamping plates are arranged in the clamping frame, a plurality of abutting columns are inserted into the outer side walls of the two clamping plates, supporting mechanisms are arranged on the portions, close to the two sides, in the clamping frame, and each supporting mechanism comprises a first movable plate, a second movable plate and a long shaft. According to the automobile part clamping device, manual turning is not needed, the machining efficiency is effectively improved, the abutting columns are arranged to be matched with the supporting springs and the spring pieces, automobile parts of different shapes can be clamped, the abutting columns are not prone to being damaged due to frequent contact with the automobile parts, and the service life is long.
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Description

Technical Field

[0001] This utility model relates to the field of automotive parts processing technology, specifically a processing fixture for automotive parts processing. Background Technology

[0002] Automotive parts refer to the components that make up the various units of a car and all consumable materials that serve the car. They are characterized by a wide variety, complex substitutes, complex identification systems, and rapid price fluctuations. When processing automotive parts, it is necessary to use fixtures to clamp and fix the automotive parts so that subsequent processing operations can be carried out on the automotive parts.

[0003] In the prior art, such as the positioning fixture for processing automotive parts proposed in patent application number "CN202420964314.2", multiple pieces of handmade clay are set up, and the screw is rotated in sequence to make the multiple pieces of handmade clay move inward, thereby clamping multiple edges of automotive parts, ensuring the clamping effect. Moreover, when clamping, the handmade clay deforms and adheres tightly to the surface of automotive parts, which facilitates the stable clamping of automotive parts with uneven edges and improves the applicability of the positioning fixture.

[0004] However, in the aforementioned patent application, the method of using handmade clay to stably clamp uneven car parts is only possible to process one side of the car parts after clamping. When it is necessary to process the other side of the car parts, it is necessary to manually flip them over and clamp them again, which is quite troublesome and affects processing efficiency. Furthermore, when using handmade clay to clamp car parts, the soft material of the clay is prone to damage due to mutual squeezing and contact with the harder car parts, resulting in a short service life. Utility Model Content

[0005] The purpose of this utility model is to provide a machining fixture for processing automotive parts, so as to solve the problems mentioned in the background art.

[0006] The objective of this utility model can be achieved through the following technical solutions:

[0007] A processing fixture for processing automotive parts includes a base frame and a clamping frame. Connecting plates are fixedly installed on the upper surface of the base frame near both sides. Insert plates are inserted into the two connecting plates. Two clamping plates are movably installed inside the clamping frame. Several abutments are inserted into the outer walls of the two clamping plates. Support mechanisms are provided inside the clamping frame near both sides.

[0008] The support mechanism includes a first movable plate, a second movable plate, and a long shaft. The first movable plate and the second movable plate are slidably connected inside the clamping frame. The long shaft is rotatably connected inside the clamping frame. A rack is fixedly connected to the bottom surface of the first movable plate near both sides.

[0009] Preferably, racks are fixedly installed on the upper surface of the movable plate two near both sides, and gears are fixedly installed on the outer wall of the long shaft near both ends.

[0010] Preferably, both rack one and rack two are meshed with gears, and two motors are installed on the outer wall of the clamping frame, with the output ends of the two motors respectively connected to one end of two long shafts.

[0011] Preferably, each of the plurality of abutments is fixedly connected to a support spring and a plurality of spring plates at one end, and the ends of the support springs and the plurality of spring plates away from the abutments are fixedly connected to the inner wall of the clamping plate.

[0012] Preferably, brackets are fixedly installed on both outer side walls of the clamping frame, and a threaded screw is rotatably connected between the inner wall of the bracket and the outer side wall of the clamping frame. A movable sleeve is sleeved on the outside of the threaded screw, and one end of the movable sleeve passes through the clamping frame and is fixedly connected to the clamping plate.

[0013] Preferably, a motor is installed on the outer wall of the bracket, and the output end of the motor is connected to one end of a threaded screw.

[0014] Preferably, each of the two connecting plates has an insert plate movably inserted into its upper end, and the outer walls of the two insert plates are rotatably connected to a fixed frame via a shaft. One end of the fixed frame is fixedly connected to the clamping frame. A second motor is installed on the outer wall of the insert plate, and the output end of the second motor is connected to the fixed frame.

[0015] Electric telescopic rods are installed on both sides of the upper surface of the base frame, and the upper ends of the electric telescopic rods are fixedly connected to the insert plate.

[0016] The beneficial effects of this utility model are:

[0017] 1. In this utility model, by using various motors in conjunction with long shafts and gears, rack one and rack two can be moved, causing two movable plates two to move out of the clamping frame, removing the obstruction to the bottom surface of the automotive parts. This allows the two movable plates one to move into the clamping frame and contact the upper surface of the automotive parts, so that when the automotive parts are subsequently flipped, the two movable plates two can support the automotive parts. This enables convenient switching support between the upper and lower surfaces of the automotive parts, achieving automatic flipping of the automotive parts while ensuring stable support, eliminating the need for manual flipping and effectively improving processing efficiency.

[0018] 2. This utility model uses a motor to drive two threaded screws to rotate, which in turn moves two movable sleeves, bringing the two clamping plates closer together to clamp the automotive parts. Each abutment can move inward into the clamping plate according to the shape of the outer wall of the part, causing the support spring and spring sheet to be compressed and contracted. Under the rebound force of the support spring and spring sheet, each abutment moves outward from the clamping plate, making the clamping plates fit tightly against the automotive parts. This allows for the clamping of automotive parts of different shapes. Furthermore, each abutment is made of metal steel, which is not easily damaged by frequent contact with automotive parts and has a long service life. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a structural schematic diagram of the clamping frame and the movable plate in this utility model;

[0022] Figure 3 This is a partial structural schematic diagram of the present invention;

[0023] Figure 4 This is a cross-sectional view of the clamping plate in this utility model;

[0024] Figure 5 This utility model Figure 4 Enlarged view of point A in the middle.

[0025] The attached figures are labeled as follows:

[0026] 1. Base frame; 2. Clamping frame; 3. Movable plate one; 4. Bracket; 5. Movable sleeve plate; 6. Clamping plate; 7. Fixed frame; 8. Connecting plate; 9. Electric telescopic rod; 10. Insert plate; 11. Threaded screw; 13. Support column; 14. Support spring; 15. Spring plate; 16. Rack one; 17. Long shaft; 18. Rack two; 19. Movable plate two; 20. Gear. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0028] A machining fixture for machining automotive parts, such as Figures 1-5 As shown, the device includes a base frame 1 and a clamping frame 2. Connecting plates 8 are fixedly installed on the upper surface of the base frame 1 near both sides. Insert plates 10 are inserted into the two connecting plates 8. Two clamping plates 6 are movably installed inside the clamping frame 2. Several abutments 13 are inserted into the outer walls of the two clamping plates 6. Supporting mechanisms are provided inside the clamping frame 2 near both sides. The supporting mechanisms include a movable plate 3, a movable plate 19, and a long shaft 17. Movable plate 3 and movable plate 19 are slidably connected inside the clamping frame 2. The long shaft 17 is rotatably connected inside the clamping frame 2. A rack 16 is fixedly connected to the bottom surface of movable plate 3 near both sides.

[0029] On the upper surface of the movable plate 19, racks 18 are fixedly installed near both sides. Gears 20 are fixedly installed on the outer wall of the long shaft 17 near both ends. Racks 16 and 18 are meshed with gears 20. Two motors are installed on the outer wall of the clamping frame 2. The output ends of the two motors are connected to one end of the two long shafts 17 respectively. The motor model is 4IK.

[0030] In use, the automotive parts to be processed are placed in the clamping frame 2 and clamped and fixed by the two clamping plates 6. At this time, the bottom surface of the automotive parts is in contact with the upper surfaces of the two movable plates 19. The two movable plates 19 can support the automotive parts, making the subsequent processing of the automotive parts more stable. When it is necessary to process the bottom surface of the automotive parts, the motors can be started to drive the two long shafts 17 to rotate. The gears 20 follow the rotation of the long shafts 17, driving the racks 16 and 18 to move, thereby driving the movable plates 3 and 19 to move in opposite directions. This causes the two movable plates 19 to move out of the clamping frame 2, removing the obstruction to the bottom surface of the automotive parts. The two movable plates 3 then move into the clamping frame 2 and contact the upper surface of the automotive parts. This allows the two movable plates 19 to support the automotive parts when they are flipped, thus realizing convenient switching support between the top and bottom surfaces of the automotive parts. This facilitates flipping the automotive parts for processing without manual flipping, effectively improving processing efficiency.

[0031] Each of the several abutments 13 has a support spring 14 and several spring plates 15 fixedly connected to one end. The ends of the support springs 14 and several spring plates 15 away from the abutments 13 are fixedly connected to the inner wall of the clamping plate 6. The two outer walls of the clamping frame 2 are fixedly mounted with brackets 4. The inner wall of the brackets 4 and the outer wall of the clamping frame 2 are rotatably connected with a threaded rod 11. A movable sleeve 5 is sleeved on the outside of the threaded rod 11. One end of the movable sleeve 5 passes through the clamping frame 2 and is fixedly connected to the clamping plate 6. A motor 1 is installed on the outer wall of the brackets 4. The output end of the motor 1 is connected to one end of the threaded rod 11. Both motor 1 and motor 2 are model SGMJV. The inner wall of the movable sleeve 5 and the threaded rod 11 is provided with a thread that matches the threaded rod 11. When the threaded rod 11 rotates, it can drive the movable sleeve 5 to move under the cooperation of the thread.

[0032] Specifically, the automotive parts to be processed are placed in the clamping frame 2, positioned between two clamping plates 6. Then, motors mounted on two brackets 4 drive two threaded screws 11 to rotate, thereby moving two movable sleeves 5. This causes the two clamping plates 6 to move closer together, clamping the automotive parts. Each abutment 13 mounted on the two clamping plates 6 abuts against the outer wall of the part. Each clamping plate 6 can move inward according to the shape of the outer wall of the part, causing the support springs 14 and spring plates 15 to be compressed and contracted. Under the rebound force of the support springs 14 and spring plates 15, each abutment 13 moves outward from the clamping plate 6, ensuring that the clamping plates 6 fit tightly against the automotive parts. This allows for the clamping of automotive parts of different shapes. The abutments 13 are made of metal steel, making them less prone to damage from frequent contact with automotive parts and resulting in a longer service life. The use of both support springs 14 and spring plates 15 effectively improves the rebound movement performance of the abutments 13, providing better clamping and fixing of the automotive parts.

[0033] Both connecting plates 8 have insert plates 10 movably inserted into their upper ends. The outer walls of both insert plates 10 are rotatably connected to fixed frames 7 via shafts, and one end of the fixed frame 7 is fixedly connected to the clamping frame 2. A second motor is installed on the outer wall of the insert plate 10, and the output end of the second motor is connected to the fixed frame 7. Electric telescopic rods 9 are installed on the upper surface of the bottom frame 1 near both sides, and the upper end of the electric telescopic rods 9 is fixedly connected to the insert plates 10. The model of the electric telescopic rods 9 is XC758.

[0034] Specifically, when flipping automotive parts, the motor 2 installed on the insert plate 10 drives the fixed frame 7 to rotate 180°, which in turn drives the clamping frame 2 to rotate 180°, flipping the automotive parts clamped and fixed in the clamping frame 2. Furthermore, the electric telescopic rod 9 can drive the insert plate 10 to move upward, thereby moving the clamping frame 2 upward and adjusting the height of the automotive parts clamped in the clamping frame 2 to adapt to different processing height requirements.

[0035] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A machining fixture for processing automotive parts, comprising a base frame (1) and a clamping frame (2), characterized in that, The bottom frame (1) has connecting plates (8) fixedly installed on the upper surface near both sides. Insert plates (10) are inserted into the two connecting plates (8). Two clamping plates (6) are movably installed inside the clamping frame (2). Several abutments (13) are inserted into the outer walls of the two clamping plates (6). Supporting mechanisms are provided inside the clamping frame (2) near both sides. The support mechanism includes a movable plate one (3), a movable plate two (19) and a long shaft (17). The movable plate one (3) and the movable plate two (19) are slidably connected inside the clamping frame (2). The long shaft (17) is rotatably connected inside the clamping frame (2). The bottom surface of the movable plate one (3) is fixedly connected to rack one (16) near both sides.

2. The machining fixture for processing automotive parts according to claim 1, characterized in that, The upper surface of the movable plate 2 (19) is fixedly installed with rack 2 (18) near both sides, and gears (20) are fixedly installed on the outer wall of the long shaft (17) near both ends.

3. The machining fixture for processing automotive parts according to claim 2, characterized in that, Both rack one (16) and rack two (18) are meshed with gear (20). Two motors are installed on the outer wall of the clamping frame (2), and the output ends of the two motors are respectively connected to one end of two long shafts (17).

4. The machining fixture for processing automotive parts according to claim 1, characterized in that, Each of the plurality of abutments (13) is fixedly connected to a support spring (14) and a plurality of spring plates (15) at one end, and the support spring (14) and the plurality of spring plates (15) are fixedly connected to the inner wall of the clamping plate (6) at the ends away from the abutments (13).

5. A machining fixture for processing automotive parts according to claim 1, characterized in that, The clamping frame (2) is fixedly installed with brackets (4) on both outer side walls. A threaded screw (11) is rotatably connected between the inner wall of the bracket (4) and the outer side wall of the clamping frame (2). A movable sleeve (5) is sleeved on the outside of the threaded screw (11), and one end of the movable sleeve (5) passes through the clamping frame (2) and is fixedly connected to the clamping plate (6).

6. A machining fixture for processing automotive parts according to claim 5, characterized in that, A motor is installed on the outer wall of the bracket (4), and the output end of the motor is connected to one end of the threaded screw (11).

7. The machining fixture for processing automotive parts according to claim 1, characterized in that, Both connecting plates (8) are movably inserted with insert plates (10) at their upper ends. The outer walls of both insert plates (10) are rotatably connected to fixed frames (7) via shafts. One end of the fixed frame (7) is fixedly connected to the clamping frame (2). A second motor is installed on the outer wall of the insert plate (10), and the output end of the second motor is connected to the fixed frame (7). Electric telescopic rods (9) are installed on both sides of the upper surface of the bottom frame (1), and the upper end of the electric telescopic rods (9) is fixedly connected to the insert plate (10).