A quick mold changing device for automobile steering knuckle

Abstract

The utility model relates to the technical field of steering knuckle mold replacement devices, and discloses a quick mold replacement device for automobile steering knuckles, comprising a workbench, a mold body is arranged on the top of the workbench, a position adjustment device and a fixing device are arranged on the inner wall of the workbench, the position adjustment device comprises an electric telescopic rod and a movable plate, and the electric telescopic rod drives the movable plate to move and close inwardly to achieve clamping and fixing of both sides of the mold body, and the electric telescopic rod is controlled to work to drive a tooth plate to slide in the inner wall of the workbench, and a driven gear meshing with the inner wall of the tooth plate is used to make the tooth plate move and drive the driven gear to rotate, and drive the threaded rod to rotate, and then use two movable plates with opposite internal threads connected by threads on the outer edge of the threaded rod to make the threaded rod rotate and drive the two movable plates to move in opposite directions, and realize the adjustment of the distance between the two movable plates, so as to facilitate the fixing or disassembly of the mold body.

Description

Technical Field

[0001] The utility model relates to the technical field of steering knuckle mould replacement devices, in particular to a quick mould replacement device for an automobile steering knuckle. Background Art

[0002] The function of the steering knuckle is to transmit and bear the load from the front of the car, support and drive the front wheel to rotate around the kingpin to turn the car. When the car is in motion, it is subjected to variable impact loads, so it is required to have high strength.

[0003] The existing automobile steering knuckle quick mold changing device can refer to the Chinese utility model patent with the authorization announcement number CN215508866U, which discloses an automobile steering knuckle forming mold, "including an upper mold and a lower mold, the bottom surface of the upper mold is provided with an upper cavity recessed upward, and the number of upper cavities is set to four; the lower mold is closely attached to the lower part of the upper mold, and the upper surface of the lower mold is provided with a lower cavity recessed downward, and the number of lower cavities is set to four, and the lower cavities correspond to the upper cavities one by one; an injection port is provided at the center of the upper surface of the upper mold, and a branch pipe is connected below the injection port, and the branch pipe is located inside the upper mold, and the number of branch pipes is set to four, and the branch pipes are connected to the upper cavities one by one; an upper cooling device is provided inside the upper mold, and a lower cooling device is provided inside the lower mold. The utility model provides an automobile steering knuckle forming mold, which has an ingenious structural setting and a reasonable layout. By providing four upper cavities and a lower cavity, four products can be cast at the same time, which significantly improves the production efficiency of the product."

[0004] When the above-mentioned equipment is in use, the upper and lower molds are accurately docked together through positioning bosses, positioning grooves and fastening bolts, and no deviation occurs during operation. Due to the different sizes of steering knuckles, different molds are required. When producing steering knuckles of different sizes, the mold needs to be replaced. However, it is inconvenient for the above-mentioned device to replace the mold, which reduces the working efficiency of the device. In addition, the above-mentioned device is not convenient for fixed installation of molds of different sizes, which reduces the practicality of the device. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a quick mold changing device for an automobile steering knuckle, which has the advantages of being able to quickly disassemble and replace the mold, thereby improving the working efficiency of the device, and facilitating the fixed installation of molds of different sizes, thereby improving the practicality of the device, thereby solving the problems raised in the above-mentioned background technology.

[0006] The utility model provides the following technical solution: a quick mold changing device for automobile steering knuckle, comprising a workbench, a mold body is arranged on the top of the workbench, and a position adjusting device and a fixing device are arranged on the inner wall of the workbench;

[0007] The position adjustment device includes an electric telescopic rod and a moving plate, and the electric telescopic rod drives the moving plate to move inward and close, so as to clamp and fix the two sides of the mold body;

[0008] The fixing device comprises a motor and a clamping plate, and the motor drives the clamping plate to move in opposite directions to achieve position limiting and fixing of the front and back sides of the mold body.

[0009] As a preferred technical solution of the utility model, the position adjustment device also includes a tooth plate, and one end of the tooth plate is fixedly connected to the power rod of the electric telescopic rod, one end of the power rod of the electric telescopic rod is inserted into the inner wall of the workbench and is slidably connected to the inner wall of the workbench, the inner wall of the tooth block of the tooth plate is meshed with a driven gear, and the outer wall of the driven gear is rotatably connected to the inner wall of the workbench, the side of the driven gear away from the tooth plate is fixedly connected to a threaded rod, one end of the threaded rod away from the driven gear is rotatably connected to the inner wall of the workbench, and the outer edge of the threaded rod is threadedly connected to two movable plates.

[0010] As a preferred technical solution of the utility model, a sliding groove is provided at the position where the top of the workbench is connected to the movable plate, and the inner wall of the sliding groove is slidably connected to the outer wall of the movable plate. The inner wall of the movable plate is provided with an internal thread, and the directions of the internal threads of the two movable plates are opposite.

[0011] As a preferred technical solution of the utility model, the fixing device also includes a first bevel gear, the output shaft of the motor is inserted into the inner wall of the movable plate and is rotatably connected to the inner wall of the movable plate, the output shaft end of the motor is welded and fixed to the first bevel gear, the gear teeth of the first bevel gear are meshed with a second bevel gear, a screw is welded and fixed to one end of the second bevel gear, and a clamp is threadedly connected to the outer edge of the screw.

[0012] As a preferred technical solution of the utility model, second bevel gears are arranged on both sides of the bottom of the first bevel gear, and the outer wall of the screw rod is rotatably connected to the inner wall of the moving plate.

[0013] As a preferred technical solution of the utility model, a through groove is provided at the position where the movable plate is connected to the clamping plate, and the shape of the clamping plate is L-shaped.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. The automobile steering knuckle quick mold changing device controls the operation of the electric telescopic rod to drive the toothed plate to slide in the inner wall of the workbench, and utilizes the driven gear meshing with the inner wall of the toothed plate to make the toothed plate move while driving the driven gear to rotate, and drives the threaded rod to rotate, and then utilizes two moving plates with opposite internal threads connected by the outer thread of the threaded rod to make the threaded rod rotate while driving the two moving plates to move in opposite directions, and realizes the adjustment of the distance between the two moving plates, so as to facilitate the fixation or disassembly of the mold body.

[0016] 2. The automobile steering knuckle quick mold-changing device drives the first bevel gear to rotate by controlling the operation of the motor, and utilizes the second bevel gear meshing with the gear teeth of the first bevel gear to rotate the first bevel gear while driving the second bevel gear to rotate, and drives the screw rod welded and fixed on the outer wall of the second bevel gear to rotate on the inner wall of the movable plate, and then utilizes the clamping plate connected by the threaded outer edge of the threaded rod to drive the clamping plate to move when the threaded rod rotates, and the clamping plate clamps and fixes the two sides of the mold body, and at the same time, the spacing between the two clamping plates is adjusted, so as to facilitate the fixation of mold bodies of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the position adjustment device of the utility model;

[0019] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model;

[0020] Figure 4 For this utility model Figure 3 Schematic diagram of the structure at point A in the middle.

[0021] In the figure: 1. workbench; 2. position adjustment device; 201. electric telescopic rod; 202. tooth plate; 203. driven gear; 204. threaded rod; 205. moving plate; 3. fixing device; 301. motor; 302. first bevel gear; 303. second bevel gear; 304. screw rod; 305. clamping plate; 4. mold body. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1- Figure 4 A quick mold changing device for a steering knuckle of an automobile comprises a workbench 1, a mold body 4 is arranged on the top of the workbench 1, and a position adjusting device 2 and a fixing device 3 are arranged on the inner wall of the workbench 1;

[0024] The position adjustment device 2 includes an electric telescopic rod 201 and a movable plate 205, and the electric telescopic rod 201 drives the movable plate 205 to move inward and close, so as to clamp and fix the two sides of the mold body 4; the position adjustment device 2 also includes a tooth plate 202, and one end of the tooth plate 202 is fixedly connected to the power rod of the electric telescopic rod 201, one end of the power rod of the electric telescopic rod 201 is inserted into the inner wall of the workbench 1 and is slidably connected to the inner wall of the workbench 1, the inner wall of the tooth block of the tooth plate 202 is meshed with a driven gear 203, and the outer wall of the driven gear 203 is connected to the workbench 1. The inner wall of the table 1 is rotatably connected, and a threaded rod 204 is fixedly connected to the side of the driven gear 203 away from the tooth plate 202. The end of the threaded rod 204 away from the driven gear 203 is rotatably connected to the inner wall of the workbench 1. Two movable plates 205 are threadedly connected to the outer edge of the threaded rod 204 to control the operation of the electric telescopic rod 201 to drive the tooth plate 202 to slide in the inner wall of the workbench 1. The driven gear 203 meshing with the inner wall of the tooth plate 202 is used to make the tooth plate 202 move while driving the driven gear 203 to rotate, and drive the threaded rod 204 to rotate.

[0025] A sliding groove is provided at the position where the top of the workbench 1 is connected to the movable plate 205, and the inner wall of the sliding groove is slidably connected to the outer wall of the movable plate 205. An internal thread is provided on the inner wall of the movable plate 205, and the directions of the internal threads of the two movable plates 205 are opposite. The two movable plates 205 with opposite internal threads are connected by the outer edge thread of the threaded rod 204, so that the threaded rod 204 rotates and drives the two movable plates 205 to move in opposite directions, and the distance between the two movable plates 205 can be adjusted.

[0026] The fixing device 3 includes a motor 301 and a clamping plate 305, and the motor 301 drives the clamping plate 305 to move in opposite directions to achieve the limit fixation of the front and back sides of the mold body 4. The fixing device 3 also includes a first bevel gear 302. The output shaft of the motor 301 is inserted into the inner wall of the moving plate 205 and is rotatably connected to the inner wall of the moving plate 205. The output shaft end of the motor 301 is welded and fixed to the first bevel gear 302. The gear teeth of the first bevel gear 302 are meshed with the second bevel gear 303. A screw rod 304 is welded and fixed to one end of the second bevel gear 303. The outer edge of the screw rod 304 is threadedly connected to the clamping plate 305. Both sides of the bottom of the first bevel gear 302 are provided with The second bevel gear 303 and the outer wall of the screw rod 304 are rotatably connected to the inner wall of the movable plate 205, and the motor 301 is controlled to work, so as to drive the first bevel gear 302 to rotate. The second bevel gear 303 meshing with the gear teeth of the first bevel gear 302 is utilized to make the first bevel gear 302 rotate while driving the second bevel gear 303 to rotate, and drive the screw rod 304 welded and fixed on the outer wall of the second bevel gear 303 to rotate on the inner wall of the movable plate 205, and then use the clamping plate 305 threadedly connected to the outer edge of the threaded rod 204, so that when the threaded rod 204 rotates, the clamping plate 305 is driven to move, and the clamping plate 305 clamps and fixes the two sides of the mold body 4.

[0027] A through slot is provided at the position where the movable plate 205 is connected to the clamping plate 305 , and the clamping plate 305 is in an L-shape, which increases the contact area with the mold body 4 and improves the limiting effect.

[0028] Working principle: when in use, the mold body 4 is placed on the top of the workbench 1, the electric telescopic rod 201 is controlled to work, and the toothed plate 202 is driven to slide in the inner wall of the workbench 1, and the driven gear 203 meshing with the inner wall of the toothed plate 202 is used to make the toothed plate 202 move while driving the driven gear 203 to rotate, and drive the threaded rod 204 to rotate, and then use the two movable plates 205 with opposite internal threads connected to the outer edge of the threaded rod 204 to make the threaded rod 204 rotate while driving the two movable plates 205 to move in opposite directions, so as to clamp and fix the left and right sides of the mold body 4, and control the motor 301 to work, drive the first A bevel gear 302 rotates, and a second bevel gear 303 meshing with the gear teeth of the first bevel gear 302 is used to make the first bevel gear 302 rotate while driving the second bevel gear 303 to rotate, and drive the screw rod 304 welded and fixed on the outer wall of the second bevel gear 303 to rotate on the inner wall of the movable plate 205, and then use the clamping plate 305 threadedly connected to the outer edge of the threaded rod 204 to make the clamping plate 305 move when the threaded rod 204 rotates, and make the clamping plate 305 clamp and fix the two sides of the mold body 4, and at the same time adjust the distance between the two clamping plates 305 to facilitate the fixation of mold bodies 4 of different sizes.

[0029] Although the 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 quick mold changing device for a steering knuckle of an automobile, comprising a workbench (1), characterized in that: A mold body (4) is arranged on the top of the workbench (1), and a position adjustment device (2) and a fixing device (3) are arranged on the inner wall of the workbench (1); The position adjustment device (2) comprises an electric telescopic rod (201) and a movable plate (205), and the electric telescopic rod (201) drives the movable plate (205) to move inward and close, thereby clamping and fixing the two sides of the mold body (4); The fixing device (3) comprises a motor (301) and a clamping plate (305), and the motor (301) drives the clamping plate (305) to move in opposite directions, thereby achieving position limiting and fixing of the front and back sides of the mold body (4).

2. The quick mold changing device for automobile steering knuckle according to claim 1, characterized in that: The position adjustment device (2) further comprises a tooth plate (202), and one end of the tooth plate (202) is fixedly connected to the power rod of the electric telescopic rod (201), one end of the power rod of the electric telescopic rod (201) is inserted into the inner wall of the workbench (1) and is slidably connected to the inner wall of the workbench (1), the inner wall of the tooth block of the tooth plate (202) is meshed with a driven gear (203), and the outer wall of the driven gear (203) is rotatably connected to the inner wall of the workbench (1), a threaded rod (204) is fixedly connected to the side of the driven gear (203) away from the tooth plate (202), one end of the threaded rod (204) away from the driven gear (203) is rotatably connected to the inner wall of the workbench (1), and the outer edge of the threaded rod (204) is threadedly connected to two movable plates (205).

3. The quick mold changing device for automobile steering knuckle according to claim 2, characterized in that: A slide groove is provided at the position where the top of the workbench (1) is connected to the movable plate (205), and the inner wall of the slide groove is slidably connected to the outer wall of the movable plate (205). The inner wall of the movable plate (205) is provided with an internal thread, and the directions of the internal threads of the two movable plates (205) are opposite.

4. The automobile steering knuckle quick mold changing device according to claim 1, characterized in that: The fixing device (3) further comprises a first bevel gear (302), the output shaft of the motor (301) is inserted into the inner wall of the movable plate (205) and is rotatably connected to the inner wall of the movable plate (205), the output shaft end of the motor (301) is welded and fixed to the first bevel gear (302), the gear teeth of the first bevel gear (302) are meshed with a second bevel gear (303), a screw rod (304) is welded and fixed to one end of the second bevel gear (303), and a clamping plate (305) is threadedly connected to the outer edge of the screw rod (304).

5. The quick mold changing device for automobile steering knuckle according to claim 4, characterized in that: Second bevel gears (303) are provided on both sides of the bottom of the first bevel gear (302), and the outer wall of the screw rod (304) is rotatably connected to the inner wall of the moving plate (205).

6. The automobile steering knuckle quick mold changing device according to claim 2, characterized in that: A through slot is provided at the position where the movable plate (205) and the clamping plate (305) are connected, and the clamping plate (305) is in an L-shape.

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