Multi-point clamp for machining automobile power steering gear

Abstract

The utility model relates to the technical field of multi-point clamps, in particular to a multi-point clamp for machining an automobile power steering gear, which comprises a placing table, a positioning device and a clamping arm, the outer side of the placing table is fixedly connected with the positioning device, the positioning device comprises a fixing ring, the upper end of the fixing ring is provided with an annular groove, and the upper end of the fixing ring is provided with a sliding groove. A first spring is fixedly connected to the inner side of the fixing ring, a limiting device is fixedly connected to the other end of the first spring, the limiting device comprises a limiting block, a mounting groove is formed in the inner side of the limiting block, a second spring is fixedly connected to the inner side of the mounting groove, and a check block is fixedly connected to one end of the second spring; fixing pins are fixedly connected to the outer sides of the limiting devices; the outer side of the sliding groove is connected with a clamping arm in a sliding mode, the clamping arm comprises a clamping arm body, the automobile power steering gear component can be accurately positioned by moving the clamping arm, and it is ensured that the position of the clamping arm can adapt to the appearance of the steering gear component.

Description

Technical Field

[0001] The utility model relates to the technical field of multi-point clamps, in particular to a multi-point clamp for processing automobile power steering gears. Background Art

[0002] The multi-point fixture for processing automotive power steering gears is a device specially used for processing automotive power steering gears. It can improve processing efficiency and ensure processing accuracy. It can quickly tighten and position the steering gear housing on the fixture, effectively avoiding shaking, displacement and deformation during processing, and improving processing accuracy and efficiency.

[0003] The multi-point fixture design for automotive power steering machining typically includes multiple support points evenly distributed around the steering gear. To ensure the workpiece remains stationary and reduce vibration during machining, fixed support points are generally used to secure the workpiece. This method of securing workpieces of varying sizes and shapes can lead to positioning errors, affecting the fixture's positioning accuracy.

[0004] Therefore, in order to solve the above problems, a multi-point fixture for machining automobile power steering gear is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a multi-point fixture for processing automobile power steering gears, so as to solve the problem that fixed support points are generally used to fix the workpiece. This fixing method will cause positioning errors when fixing workpieces of different sizes and shapes, thereby affecting the positioning accuracy of the fixture.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] The cam is fixedly provided with a toothed plate, and the toothed plate is fixedly provided with a toothed plate, and the toothed plate is fixedly provided with a toothed plate, and the toothed plate is fixedly provided with a toothed plate, and the toothed plate is fixedly provided with a toothed plate, and the toothed plate is fixedly provided with a toothed plate, and the toothed plate is fixedly provided with a toothed plate,

[0008] As a further optimization of the present invention, there are two annular grooves, the diameters of the two annular grooves are different, the annular grooves are distributed in a circle of the placement table, the vertical section of the annular groove is semicircular, and the two annular grooves have the same center point.

[0009] As a further optimized content of the present invention, the slide groove is arranged between the two annular grooves, the center points of the slide groove and the two annular grooves are located on the same vertical line, and the shape of the vertical section of the slide groove is T-shaped.

[0010] As a further optimization of the present invention, there are several limiting grooves, which are evenly and equidistantly distributed on the inner side of the fixing ring, one side of the limiting groove is set to an arc shape, and the limiting grooves are distributed in an array.

[0011] As a further optimization of the present invention, the outer side of the limiting device is slidably connected to the inner side of the fixing ring, the fixing pin passes through the fixing ring, the angle between the fixing pin and the limiting device is 90°, and the fixing pin and the limiting device correspond to each other.

[0012] As a further optimization of the present invention, there are several mounting grooves, second springs and blocks, the second springs and blocks are both arranged on the inner side of the mounting groove, the second springs and blocks are symmetrically arranged on the outer side of the limit block, and the second springs and blocks correspond one-to-one to the limit grooves.

[0013] As a further optimization of the present invention, the balls are arranged in two rows, the balls are evenly and equidistantly distributed on both sides of the slider, the balls are parallel to each other, and the balls correspond to the annular grooves.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] In the utility model, by moving the clamping arm to the outside of the positioning device, the automobile power steering component can be accurately positioned, and accurate positioning of different parts can be achieved, which is convenient for fixing the automobile power steering component. The set limit device can effectively limit and fix the fixing pin, and at the same time can accurately position and layout the clamping arm, ensuring that the position of the clamping arm can adapt to the shape and processing requirements of the steering component. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the ball installation position structure of the utility model;

[0018] Figure 3This is a schematic diagram of the cross-sectional structure of the limiting groove of the utility model;

[0019] Figure 4 This is a schematic diagram of the cross-sectional structure of the fixing ring of the utility model;

[0020] Figure 5 For this utility model Figure 4 Schematic diagram of the structure at A in the middle;

[0021] Figure 6 This is a schematic diagram of the disassembled structure of the limit device of the utility model.

[0022] In the figure: 1. Placement table;

[0023] 2. Positioning device; 21. Fixing ring; 22. Annular groove; 23. Slide groove; 24. Limiting groove; 25. First spring; 26. Limiting device; 261. Limiting block; 262. Mounting groove; 263. Second spring; 264. Stopper; 27. Fixing pin;

[0024] 3. Clamping arm; 31. Clamping arm body; 32. Ball bearing; 33. Slider; 34. Positioning hole. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components and / or combinations thereof.

[0027] See also Figure 1-6 , the utility model provides a technical solution:

[0028] A multi-point fixture for processing an automobile power steering gear comprises a placing table 1, a positioning device 2 and a clamping arm 3. The placing table 1 is fixedly connected to the outer side of the positioning device 2. The positioning device 2 comprises a fixing ring 21. The upper end of the fixing ring 21 is provided with an annular groove 22. The upper end of the fixing ring 21 is provided with a slide groove 23. The inner side of the fixing ring 21 is provided with a limiting groove 24. The inner side of the fixing ring 21 is fixedly connected to a first spring 25. The other end of the first spring 25 is fixedly connected to a limiting device 26. The limiting device 26 comprises a limiting block 2 61. A mounting groove 262 is provided on the inner side of the limit block 261, a second spring 263 is fixedly connected to the inner side of the mounting groove 262, a stop block 264 is fixedly connected to one end of the second spring 263, and a fixing pin 27 is fixedly connected to the outer side of the limit device 26; a clamping arm 3 is slidably connected to the outer side of the slide groove 23, the clamping arm 3 includes a clamping arm main body 31, a ball bearing 32 is provided at the bottom of the clamping arm main body 31, a slider 33 is fixedly connected to the bottom of the clamping arm main body 31, and a positioning hole 34 is provided on the inner side of the slider 33.

[0029] As a further implementation scheme of the above technical solution: by providing an annular groove 22, there are two annular grooves 22, the diameters of the two annular grooves 22 are different, the annular grooves 22 are distributed in a circle on the placement table 1, the vertical cross-section of the annular groove 22 is semicircular, and the two annular grooves 22 have the same center point. The annular groove 22 can facilitate the rolling of the ball 32 and facilitate the movement of the clamping arm 3;

[0030] As a further implementation scheme of the above technical solution: by setting a slide groove 23, the slide groove 23 is set between the two annular grooves 22, the slide groove 23 and the center points of the two annular grooves 22 are located on the same vertical line, and the vertical cross-section of the slide groove 23 is T-shaped. Such a setting can make the overall structure more reasonable and facilitate the precise positioning of the clamping arm 3;

[0031] As a further implementation scheme of the above technical solution: by setting the limiting groove 24, a plurality of limiting grooves 24 are provided, and the limiting grooves 24 are evenly and equidistantly distributed on the inner side of the fixing ring 21, one side of the limiting groove 24 is set to be arc-shaped, and the limiting grooves 24 are distributed in an array. The set limiting grooves 24 can effectively clamp and fix the stopper 264, thereby facilitating the fixation of the clamping arm 3;

[0032] As a further implementation scheme of the above technical solution: by providing a limiting device 26, the outer side of the limiting device 26 is slidably connected to the inner side of the fixing ring 21, the fixing pin 27 passes through the fixing ring 21, and the angle between the fixing pin 27 and the limiting device 26 is 90 degrees. The fixing pin 27 and the limiting device 26 correspond to each other. The provided limiting device 26 can effectively limit and fix the fixing pin 27, and can also accurately position and arrange the clamping arm 3;

[0033] As a further implementation scheme of the above technical solution: by providing the mounting groove 262, the second spring 263 and the stopper 264, a plurality of mounting grooves 262, the second spring 263 and the stopper 264 are provided, the second spring 263 and the stopper 264 are both provided on the inner side of the mounting groove 262, the second spring 263 and the stopper 264 are symmetrically provided on the outer side of the limiting block 261, the second spring 263 and the stopper 264 correspond one-to-one to the limiting groove 24, such an arrangement can make the overall structure more complete, and facilitate the limiting of the fixing pin 27;

[0034] As a further implementation plan of the above technical solution: by setting the balls 32, the balls 32 are arranged in two rows, the balls 32 are evenly and equidistantly distributed on both sides of the slider 33, the balls 32 are parallel to each other, the balls 32 correspond to the annular grooves 22, and the balls 32 arranged at the bottom of the clamping arm body 31 can effectively reduce a certain amount of friction, reduce energy loss and improve mechanical efficiency.

[0035] Workflow: When installing the components, place the automobile power steering component on the placement table 1 of the fixture, connect it through external wires, and move the clamping arm 3 to the outside of the positioning device 2 to accurately position the automobile power steering component. It can achieve accurate positioning of different parts, which is convenient for fixing the automobile power steering component. When the clamping arm body 31 is controlled to move, the ball 32 set at the bottom of the clamping arm body 31 can effectively reduce a certain amount of friction, reduce energy loss and improve mechanical efficiency. The arc-shaped slider 33 can effectively adapt to the shape of the slide groove 23, which is convenient for movement. When the clamping arm body 31 is controlled to move When it moves to the correct position, the fixing pin 27 needs to be pressed inward, and the other end of the fixing pin 27 will be squeezed to the inside of the positioning hole 34. The elastic force of the first spring 25 can effectively ensure the stability of the movement of the fixing pin 27. At the same time, the limiting device 26 arranged on the outside of the fixing pin 27 will move to the position of the limiting groove 24. At the same time, the block 264 arranged on the inside of the installation groove 262 will pop outward by the elastic force of the second spring 263 and enter the inside of the limiting groove 24, which can effectively limit and fix the fixing pin 27 and accurately position the clamping arm 3 to ensure that the position of the clamping arm 3 can adapt to the shape and processing requirements of the steering gear components.

[0036] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-point fixture for machining an automobile power steering gear, comprising a placement table (1), a positioning device (2) and a clamping arm (3), characterized in that: The outer side of the placing table (1) is fixedly connected to a positioning device (2), and the positioning device (2) includes a fixing ring (21), an annular groove (22) is provided at the upper end of the fixing ring (21), a sliding groove (23) is provided at the upper end of the fixing ring (21), a limiting groove (24) is provided on the inner side of the fixing ring (21), a first spring (25) is fixedly connected to the inner side of the fixing ring (21), and the other end of the first spring (25) is fixedly connected to a limiting device (26), and the limiting device (26) includes a limiting block (261), an installation groove (262) is provided on the inner side of the limiting block (261), a second spring (263) is fixedly connected to the inner side of the installation groove (262), and one end of the second spring (263) is fixedly connected to a stopper (264), and a fixing pin (27) is fixedly connected to the outer side of the limiting device (26); The outer side of the slide groove (23) is slidably connected to a clamping arm (3), and the clamping arm (3) includes a clamping arm body (31). A ball bearing (32) is provided at the bottom of the clamping arm body (31). A slider (33) is fixedly connected to the bottom of the clamping arm body (31), and a positioning hole (34) is provided on the inner side of the slider (33).

2. The multi-point fixture for machining an automobile power steering gear according to claim 1, characterized in that: Two annular grooves (22) are provided, and the diameters of the two annular grooves (22) are different. The annular grooves (22) are distributed in a circle on the placement table (1). The vertical cross-section of the annular groove (22) is semicircular, and the two annular grooves (22) have the same center point.

3. The multi-point fixture for machining an automobile power steering gear according to claim 1, characterized in that: The chute (23) is arranged between the two annular grooves (22), the center points of the chute (23) and the two annular grooves (22) are located on the same vertical line, and the vertical cross-section of the chute (23) is arranged in a T-shape.

4. The multi-point fixture for machining an automobile power steering gear according to claim 1, characterized in that: A plurality of the limiting grooves (24) are provided, and the limiting grooves (24) are evenly and equidistantly distributed on the inner side of the fixing ring (21). One side of the limiting groove (24) is arranged in an arc shape, and the limiting grooves (24) are distributed in an array.

5. The multi-point fixture for machining an automobile power steering gear according to claim 1, characterized in that: The outer side of the limiting device (26) is slidably connected to the inner side of the fixing ring (21), the fixing pin (27) passes through the fixing ring (21), the angle between the fixing pin (27) and the limiting device (26) is 90°, and the fixing pin (27) and the limiting device (26) correspond to each other.

6. The multi-point fixture for machining an automobile power steering gear according to claim 1, characterized in that: A plurality of the mounting grooves (262), second springs (263) and stoppers (264) are provided. The second springs (263) and stoppers (264) are both provided inside the mounting grooves (262). The second springs (263) and stoppers (264) are symmetrically provided outside the limiting block (261). The second springs (263) and stoppers (264) correspond one to one with the limiting grooves (24).

7. The multi-point fixture for machining an automobile power steering gear according to claim 1, characterized in that: The balls (32) are arranged in two rows. The balls (32) are evenly and equidistantly distributed on both sides of the slider (33). The balls (32) are parallel to each other, and the balls (32) correspond to the annular grooves (22).

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