Clamping tool for automobile part production

Abstract

The utility model discloses a clamping tool for automobile part production, which is applied to the technical field of automobile production clamps, and is characterized in that an outer clamping mechanism comprises an outer strip-shaped rod rotationally connected with the outer wall of a circular ring block through a pin shaft I and an outer limiting block fixedly connected with the side wall of an inner cavity of a base; outer moving blocks are rotationally connected to the outer strip-shaped rods through second pin shafts, outer clamping blocks are fixedly connected to the faces, close to the center of the base, of the outer moving blocks, outer limiting grooves are formed in the tops of the outer limiting blocks, and the outer limiting blocks are slidably connected with the bottom ends of the outer moving blocks through the outer limiting grooves; compared with the prior art, the steering wheel clamping device has the technical effects that the worm is driven to rotate by rotating the handle, the worm drives the worm gear to rotate, the circular ring block rotates through transmission of the rotating shaft, the circular ring block drives the outer strip-shaped rod to deflect so as to drive the outer moving block to move towards the center of the base, the steering wheel is stably clamped by the three outer clamping blocks, operation is easy, and efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile production fixtures, in particular to a clamping tool for automobile parts production. Background Art

[0002] A car is a power-driven, non-rail-borne vehicle with four or more wheels, mainly used for carrying people and (or) goods; a vehicle that tows people and (or) goods; a special-purpose passenger car, in terms of its design and technical characteristics, is mainly used to carry passengers and their carry-on luggage and (or) temporary items. In the automobile manufacturing process, a clamping structure for the production of automobile parts is required.

[0003] The current Chinese utility model patent announcement number is CN217345174U, which discloses a clamping and stabilizing device for the production of automotive parts. The utility model adjusts the clamping position by sliding an angle-adjusting slider in a slideway, and fixes it with a clamping block and a fixed tooth, so that the adjustable clamping mechanism can change the clamping angle outside the original ring to adapt to steering wheels with different internal shapes, improve versatility, and save resources. The outer circle of the steering wheel is clamped synchronously by the arc surface of the outer clamping block and the inner clamping block, so that the fixture can clamp steering wheels of different sizes and diameters, thereby improving the versatility of the equipment and saving resources.

[0004] In actual operation, when the clamping device fixes the steering wheel, the steering wheel needs to be clamped by lifting handles and turning handles at three different positions in the clamping mechanism. Therefore, the process of clamping the steering wheel in this solution is relatively complicated and inefficient. Utility Model Content

[0005] The utility model aims to provide a clamping tool for automobile parts production, so as to solve the problem that the process of clamping the steering wheel proposed in the above background technology is relatively complicated and inefficient.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a clamping tool for automobile parts production, comprising a base and a steering wheel, the top of the base is provided with a plurality of through holes, the bottom of the inner cavity of the base is rotatably connected to a rotating shaft through a bearing, the outer wall of the rotating shaft is respectively fixedly connected to a worm gear and a circular ring block, the worm gear is meshingly connected to a worm, the outer wall of the circular ring block is fixedly connected to an external clamping mechanism or an internal clamping mechanism, and the steering wheel is clamped and fixed by the external clamping mechanism or the internal clamping mechanism;

[0007] The external clamping mechanism includes an external strip rod rotatably connected to the outer wall of the circular ring block through a pin shaft 1 and an external limit block fixedly connected to the side wall of the inner cavity of the base; the external strip rod is rotatably connected to the external moving block through a pin shaft 2; the external moving block is fixedly connected to an external clamping block on one side close to the center of the base; an external limit groove is provided on the top of the external limit block, and the external limit block is slidably connected to the bottom end of the external moving block through the external limit groove.

[0008] The utility model is further configured as follows: the inner clamping mechanism includes an inner strip rod rotatably connected to the inner wall of the circular ring block through a pin shaft 1 and an inner limit block fixedly connected to the side wall of the inner cavity of the base; the inner strip rod is rotatably connected to the inner moving block through a pin shaft 2; the inner moving block is fixedly connected to the inner clamping block on a side away from the center of the base; an inner limit groove is provided on the top of the inner limit block, and the inner limit block is slidably connected to the bottom end of the inner moving block through the inner limit groove.

[0009] By adopting the above technical solution, when the circular ring block rotates, the circular ring block will drive the inner bar rod to rotate, and the inner bar rod will drive the inner moving block to move along the inner limit groove opened on the top of the inner limit block, and the steering wheel is stably clamped by the inner clamping blocks on the three distributed inner moving blocks.

[0010] The utility model is further configured as follows: a support block is fixedly connected to the bottom of the inner cavity of the base, and the support block is rotatably connected to one end of the worm through a second bearing.

[0011] By adopting the above technical solution, the support block mainly supports the worm, making it easier for the worm to work.

[0012] The utility model is further configured as follows: the other end of the worm penetrates through the side wall of the base and extends to the outside of the base, and one end of the worm away from the support block is fixedly connected with a handle.

[0013] By adopting the above technical solution, the worm is rotated by rotating the handle to rotate, thereby driving the worm wheel to rotate.

[0014] The utility model is further configured as follows: the outer moving block or the inner moving block passes through the through hole opened on the top of the base.

[0015] By adopting the above technical solution, the outer moving block or the inner moving block can be easily moved through the strip-shaped through hole opened on the top of the base, so that the outer clamping mechanism or the inner clamping mechanism can stably clamp steering wheels of different sizes.

[0016] The utility model is further configured as follows: the number of the outer strip rods or the inner strip rods is three, and the three outer strip rods or the inner strip rods are evenly spaced and distributed around the circular ring block.

[0017] By adopting the above technical solution, the steering wheel is clamped by acting on it in three directions together.

[0018] The utility model provides a clamping tool for automobile parts production, which has the following beneficial effects:

[0019] (1) The utility model drives the worm to rotate by rotating the handle, and the worm drives the worm wheel to rotate. Through the transmission of the rotating shaft, the circular ring block rotates, and the circular ring block drives the outer bar to deflect, thereby driving the outer moving block to move toward the center of the base, so that the three outer clamping blocks can stably clamp the steering wheel. The operation is simple and efficient.

[0020] (2) The utility model drives the worm to rotate by rotating the handle, and the worm drives the worm wheel to rotate. Through the transmission of the rotating shaft, the circular ring block rotates, and the circular ring block drives the inner bar to deflect, thereby driving the inner moving block to move away from the center of the base, so that the three inner clamping blocks can stably clamp the steering wheel. The operation is simple and efficient.

[0021] (3) The utility model drives the worm to rotate by rotating the handle, and the worm drives the worm wheel to rotate. Through the transmission of the rotating shaft, the circular ring block rotates, and the circular ring block drives the inner bar and the outer bar to deflect, thereby driving the outer moving block to move toward the center of the base and the inner moving block to move away from the center of the base, so that the three inner clamping blocks and the three outer clamping blocks can stably clamp the steering wheel at the same time, which is simple to operate and highly efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional diagram of the utility model;

[0023] Figure 2 It is a three-dimensional diagram of the outer clamping mechanism or the inner clamping mechanism of the utility model;

[0024] Figure 3 This is a three-dimensional diagram of the worm gear of the utility model;

[0025] Figure 4 This is a bird's-eye view of the outer clamping mechanism or the inner clamping mechanism of the utility model.

[0026] In the figure: 1. base; 2. steering wheel; 3. rotating shaft; 4. worm gear; 5. circular ring block; 6. worm; 7. handle; 8. external clamping mechanism; 81. external strip rod; 82. external moving block; 83. external clamping block; 84. external limit block; 85. external limit groove; 9. internal clamping mechanism; 91. internal strip rod; 92. internal moving block; 93. internal clamping block; 94. internal limit block; 95. internal limit groove; 10. support block; 11. through hole. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] like Figure 1-4 As shown, the utility model provides a technical solution:

[0029] Embodiment 1: A clamping tool for automobile parts production, comprising a base 1 and a steering wheel 2. A plurality of through holes 11 are provided on the top of the base 1. A rotating shaft 3 is rotatably connected to the bottom of the inner cavity of the base 1 through a bearing 1. A worm wheel 4 and a circular ring block 5 are respectively fixedly connected to the outer wall of the rotating shaft 3. A worm 6 is meshingly connected to the worm wheel 4. A support block 10 is fixedly connected to the bottom of the inner cavity of the base 1. The support block 10 is rotatably connected to one end of the worm 6 through a bearing 2. The other end of the worm 6 extends through the side wall of the base 1 to the outside of the base 1, and a handle 7 is fixedly connected to one end of the worm 6 away from the support block. The worm 6 is rotated by rotating the handle 7, thereby driving the worm wheel 4 to rotate. The support block 10 mainly supports the worm 6 to facilitate the work of the worm 6. An external clamping mechanism 8 is fixedly connected to the outer wall of the circular ring block 5. The steering wheel 2 is fixed by the external clamping mechanism 8.

[0030] The outer clamping mechanism 8 includes an outer bar 81 rotatably connected to the outer wall of the circular ring block 5 through a pin shaft 1 and an outer limit block 84 fixedly connected to the inner cavity side wall of the base 1. The number of the outer bar bars 81 is three, and the three outer bar bars 81 are evenly spaced around the circular ring block 5. The steering wheel 2 is clamped by the three directions of the steering wheel 2. The outer bar bar 81 is rotatably connected to the outer moving block 82 through the pin shaft 2. The outer moving block 82 passes through the through hole 11 opened at the top of the base 1. The outer moving block 82 is convenient to move through the bar through hole 11 opened at the top of the base 1, so that The outer clamping mechanism 8 can stably clamp steering wheels of different sizes. The outer moving block 82 is fixedly connected to an outer clamping block 83 on one side close to the center of the base 1. An outer limit groove 85 is provided on the top of the outer limit block 84, and the outer limit block 84 is slidably connected to the bottom end of the outer moving block 82 through the outer limit groove 85. When the circular ring block 5 rotates, the circular ring block 5 will drive the outer bar rod 81 to rotate, and the outer bar rod 81 will drive the outer moving block 82 to move along the outer limit groove 85 provided on the top of the outer limit block 84, so that the steering wheel is stably clamped by the outer clamping blocks 83 on the three distributed outer moving blocks 82.

[0031] Embodiment 2: A clamping tool for automobile parts production, comprising a base 1 and a steering wheel 2. A plurality of through holes 11 are provided on the top of the base 1. A rotating shaft 3 is rotatably connected to the bottom of the inner cavity of the base 1 through a bearing 1. A worm wheel 4 and a circular ring block 5 are respectively fixedly connected to the outer wall of the rotating shaft 3. A worm 6 is meshingly connected to the worm wheel 4. A support block 10 is fixedly connected to the bottom of the inner cavity of the base 1. The support block 10 is rotatably connected to one end of the worm 6 through a bearing 2. The support block 10 mainly supports the worm 6 to facilitate the work of the worm 6. The other end of the worm 6 extends through the side wall of the base 1 to the outside of the base 1, and a handle 7 is fixedly connected to the end of the worm 6 away from the support block. The worm 6 is rotated by rotating the handle 7, thereby driving the worm wheel 4 to rotate. An inner clamping mechanism 9 is fixedly connected to the outer wall of the circular ring block 5, and the steering wheel 2 is clamped and fixed by the inner clamping mechanism 9.

[0032] The inner clamping mechanism 9 includes an inner strip rod 91 rotatably connected to the inner wall of the circular ring block 5 through a pin shaft 1 and an inner limit block 94 fixedly connected to the inner cavity side wall of the base 1. The number of the inner strip rods 91 is three, and the three inner strip rods 91 are evenly spaced around the circular ring block 5. The steering wheel 2 is clamped by the three directions of the steering wheel 2. The inner strip rod 91 is rotatably connected to the inner moving block 92 through the pin shaft 2. The inner moving block 92 passes through the through hole 11 opened at the top of the base 1. The strip through hole 11 opened at the top of the base 1 facilitates the movement of the outer inner moving block 92, so as to achieve the effect of clamping the steering wheel 2. In order to achieve the internal clamping mechanism 9 to stably clamp steering wheels of different sizes, the inner moving block 92 is fixedly connected to the inner clamping block 93 on the side away from the center of the base 1, an inner limit groove 95 is provided on the top of the inner limit block 94, and the inner limit block 94 is slidably connected to the bottom end of the inner moving block 92 through the inner limit groove 95. When the circular ring block 5 rotates, the circular ring block 5 will drive the inner bar rod 91 to rotate, and the inner bar rod 91 will drive the inner moving block 92 to move along the inner limit groove 95 provided on the top of the inner limit block 94, so that the steering wheel is stably clamped by the inner clamping blocks 93 on the three distributed inner moving blocks 92.

[0033] Embodiment 3: A clamping tool for automobile parts production, comprising a base 1 and a steering wheel 2. A plurality of through holes 11 are provided on the top of the base 1. A rotating shaft 3 is rotatably connected to the bottom of the inner cavity of the base 1 through a bearing 1. A worm wheel 4 and a circular ring block 5 are respectively fixedly connected to the outer wall of the rotating shaft 3. A worm 6 is meshingly connected to the worm wheel 4. A supporting block 10 is fixedly connected to the bottom of the inner cavity of the base 1. The supporting block 10 is rotatably connected to one end of the worm 6 through a bearing 2. The supporting block 10 mainly supports the worm 6 to facilitate the work of the worm 6. The other end of the worm 6 extends through the side wall of the base 1 to the outside of the base 1, and a handle 7 is fixedly connected to the end of the worm 6 away from the supporting block. The worm 6 is rotated by rotating the handle 7, thereby driving the worm wheel 4 to rotate. An external clamping mechanism 8 or an internal clamping mechanism 9 is fixedly connected to the outer wall of the circular ring block 5. The steering wheel 2 is clamped and fixed by the external clamping mechanism 8 and the internal clamping mechanism 9.

[0034] The outer clamping mechanism 8 includes an outer bar 81 rotatably connected to the outer wall of the circular ring block 5 through a pin shaft 1 and an outer limit block 84 fixedly connected to the inner cavity side wall of the base 1. The outer bar 81 is rotatably connected to the outer moving block 82 through a pin shaft 2. The outer moving block 82 is fixedly connected to an outer clamping block 83 on a side close to the center of the base 1. An outer limit groove 85 is provided on the top of the outer limit block 84, and the outer limit block 84 is slidably connected to the bottom end of the outer moving block 82 through the outer limit groove 85. When the circular ring block 5 rotates, the circular ring block 5 will drive the outer bar 81 to rotate, and the outer bar 81 will drive the outer moving block 82 to move along the outer limit groove 85 provided on the top of the outer limit block 84.

[0035] The inner clamping mechanism 9 includes an inner bar rod 91 rotatably connected to the inner wall of the circular ring block 5 through a pin shaft 1 and an inner limit block 94 fixedly connected to the inner cavity side wall of the base 1. The number of the outer bar rod 81 and the inner bar rod 91 are both three. The three outer bar rods 81 and the inner bar rods 91 are evenly spaced around the circular ring block 5. The inner bar rod 91 is rotatably connected to an inner moving block 92 through a pin shaft 2. The outer moving block 82 and the inner moving block 92 both pass through the through hole 11 opened at the top of the base 1. The inner moving block 92 is fixedly connected to an inner clamping block 93 on one side away from the center of the base 1. Through the bar through hole 11 opened at the top of the base 1, the inner clamping block 93 is fixedly connected to the inner moving block 92. The outer moving block 82 and the inner moving block 92 can move, so that the outer clamping mechanism 8 and the inner clamping mechanism 9 can stably clamp steering wheels of different sizes at the same time. An inner limit groove 95 is provided on the top of the inner limit block 94, and the inner limit block 94 is slidingly connected to the bottom end of the inner moving block 92 through the inner limit groove 95. When the circular ring block 5 rotates, the circular ring block 5 will drive the inner bar rod 91 to rotate, and the inner bar rod 91 will drive the inner moving block 92 to move along the inner limit groove 95 provided on the top of the inner limit block 94, so that the three outer clamping blocks 83 and the inner clamping block 93 can clamp the steering wheel at the same time.

[0036] Working principle: by rotating the handle 7, the worm 6 is driven to rotate, and the worm 6 will drive the worm wheel 4 to rotate. According to the transmission properties of the worm wheel 4 and the worm 6, the worm 6 can only drive the worm wheel 4, and has a self-locking property to avoid loosening during the clamping process. Through the transmission of the rotating shaft 3, the circular ring block 5 is rotated, and the circular ring block 5 will drive the outer strip rod 81 to deflect, thereby driving the outer moving block 82 to move toward the center of the base 1, so that the three outer clamping blocks 83 can stably clamp the steering wheel 2. The operation is simple and efficient.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A clamping tool for automobile parts production, comprising a base (1) and a steering wheel (2), characterized in that: The top of the base (1) is provided with a plurality of through holes (11); the bottom of the inner cavity of the base (1) is rotatably connected to a rotating shaft (3) via a bearing; the outer wall of the rotating shaft (3) is respectively fixedly connected to a worm wheel (4) and a circular ring block (5); the worm wheel (4) is meshingly connected to a worm (6); the outer wall of the circular ring block (5) is fixedly connected to an external clamping mechanism (8) or an internal clamping mechanism (9); and the steering wheel (2) is clamped and fixed by the external clamping mechanism (8) or the internal clamping mechanism (9); The outer clamping mechanism (8) comprises an outer bar (81) rotatably connected to the outer wall of the annular block (5) via a first pin and an outer limit block (84) fixedly connected to the inner cavity side wall of the base (1); the outer bar (81) is rotatably connected to an outer moving block (82) via a second pin; the outer moving block (82) is fixedly connected to an outer clamping block (83) on one side close to the center of the base (1); an outer limit groove (85) is provided on the top of the outer limit block (84), and the outer limit block (84) is slidably connected to the bottom end of the outer moving block (82) via the outer limit groove (85).

2. The clamping tool for automobile parts production according to claim 1, characterized in that: The inner clamping mechanism (9) comprises an inner bar (91) rotatably connected to the inner wall of the annular block (5) via a first pin and an inner limit block (94) fixedly connected to the inner cavity side wall of the base (1); the inner bar (91) is rotatably connected to an inner moving block (92) via a second pin; the inner moving block (92) is fixedly connected to an inner clamping block (93) on a side away from the center of the base (1); an inner limit groove (95) is provided on the top of the inner limit block (94), and the inner limit block (94) is slidably connected to the bottom end of the inner moving block (92) via the inner limit groove (95).

3. The clamping tool for automobile parts production according to claim 1, characterized in that: A support block (10) is fixedly connected to the bottom of the inner cavity of the base (1), and the support block (10) is rotatably connected to one end of the worm (6) via a second bearing.

4. The clamping tool for automobile parts production according to claim 1, characterized in that: The other end of the worm (6) passes through the side wall of the base (1) and extends to the outside of the base (1), and one end of the worm (6) away from the support block is fixedly connected to a handle (7).

5. A clamping tool for automobile parts production according to claim 1 or 2, characterized in that: The outer moving block (82) or the inner moving block (92) passes through the through hole (11) opened at the top of the base (1).

6. A clamping tool for automobile parts production according to claim 1 or 2, characterized in that: The number of the outer strip rods (81) or the inner strip rods (91) is three, and the three outer strip rods (81) or the inner strip rods (91) are distributed around the circular ring block (5) at equal intervals.

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