Machining clamp of automobile steering device

Abstract

The utility model discloses a machining fixture of an automobile steering gear, which relates to the technical field of automobile steering gear machining, and comprises a base, the upper surface of the base is connected with two supporting seats, the surfaces of the two supporting seats are both provided with fixing discs, and the end faces of the two fixing discs are both provided with adjusting and fixing units. According to the fixture, the mounting base, the supporting base, the fixing disc, the first lead screw, the limiting piece, the second lead screw and the limiting head are matched, so that the fixing size can be flexibly adjusted according to the specification of the steering gear, the steering gears of multiple specifications and multiple sizes can be conveniently fixed and machined, and a stable fixing structure is provided for machining of the steering gear; and through cooperation of a connecting shaft, a limiting base, an adjusting head, a third lead screw, a sliding block and a check block, the fixing angles of the connecting shaft and the mounting base can be conveniently and flexibly adjusted, the fixing angles can be conveniently adjusted according to changes of the machining position, the machining difficulty is reduced, and the machining and fixing precision is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile steering gear processing, in particular to a processing fixture for an automobile steering gear. Background Technique

[0002] An automobile steering gear is an important component for controlling the direction of an automobile. Due to its unique structural shape, during the processing of an automobile steering gear, it is necessary to limit and fix the automobile steering gear to ensure the processing accuracy. For example, a Chinese patent discloses a deburring fixture for an automobile steering gear housing (publication number CN220881471U). Although this fixture can conveniently clamp and fix different steering gears and expand the use range of the fixture, during the processing, since the steering gear needs to be processed in all directions during the processing, and the fixed steering gear cannot be flexibly adjusted in the fixing angle, it is necessary to continuously disassemble and assemble the steering gear during the processing in order to process different angular positions, which increases the processing difficulty, and the continuous disassembly and fixing also affect the processing accuracy. Content of the Utility Model

[0003] Aiming at the deficiencies of the prior art, the utility model provides a processing fixture for an automobile steering gear, which solves the problem of inconvenient all-round and multi-angle processing of the steering gear.

[0004] To achieve the above purposes, the utility model is realized through the following technical solutions: A processing fixture for an automobile steering gear, including a base, two support seats are connected to the upper surface of the base, fixing disks are arranged on the surfaces of the two support seats, and adjusting and fixing units are arranged on the end faces of the two fixing disks;

[0005] The adjusting and fixing unit includes a connecting shaft, one end of the connecting shaft is connected with a mounting seat, two first lead screws are annularly connected to the outer surface of the mounting seat, limiting pieces are arranged at one ends of the two first lead screws, a second lead screw is connected to the top end of the mounting seat, a limiting head is arranged at the bottom end of the second lead screw, and a connecting block is arranged on one side surface of the support seat.

[0006] As a further technical solution of the utility model, two support rods are connected to the bottom surface of the connecting block, supporting plates are arranged at the bottom ends of the two support rods, an extension block is connected to the bottom surface of the connecting block, and a third lead screw is connected to the inner side wall of the extension block.

[0007] As a further technical solution of the utility model, a limiting seat is connected to the outer surface of the connecting shaft, an adjusting head is arranged on one end face of the connecting shaft, and a plurality of friction grooves are annularly formed on the inner side wall of the limiting seat.

[0008] As a further technical solution of the present utility model, two sliding blocks are connected to the outer surface of the third lead screw. Blocks are provided at the bottom ends of the two sliding blocks. An active column is connected to one side surface of each of the two blocks. Sliding grooves are provided at the corresponding positions on the surfaces of the two supporting plates along the sliding path of the active column.

[0009] As a further technical solution of the present utility model, the limiting piece is connected to the mounting seat through the first lead screw. One side surface of the limiting piece is made of anti-slip rubber material. The limiting head is located between the two limiting pieces. The mounting seat is connected to the supporting seat through a connecting shaft and a fixing disk.

[0010] As a further technical solution of the present utility model, the block is connected to the connecting block through the sliding block, the third lead screw and the extension block. The inner diameter size of the sliding groove is adapted to the sliding path of the active column. The distance between the two supporting plates is adapted to the outer diameter size of the two blocks.

[0011] Beneficial effects

[0012] The present utility model provides a processing fixture for an automotive steering gear. Compared with the prior art, it has the following beneficial effects:

[0013] 1. A processing fixture for an automotive steering gear, through the cooperation between the mounting seat, the supporting seat, the fixing disk, the first lead screw, the limiting piece, the second lead screw and the limiting head, can flexibly adjust the fixing size according to the specifications of the steering gear, so as to facilitate the fixed processing of steering gears with multiple specifications and sizes, and provide a stable fixing structure for the processing of steering gears.

[0014] 2. A processing fixture for an automotive steering gear, through the cooperation between the connecting shaft, the limiting seat, the adjusting head, the third lead screw, the sliding block and the block, can flexibly adjust the fixing angle of the connecting shaft and the mounting seat, facilitate the adjustment of the fixing angle according to the change of the processing position, reduce the processing difficulty, and ensure the precision of the processing and fixing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a structural schematic diagram of a processing fixture for an automotive steering gear;

[0016] Figure 2 is a front view of a processing fixture for an automotive steering gear;

[0017] Figure 3 is an exploded structural schematic diagram of an adjustment and fixing unit of a processing fixture for an automotive steering gear;

[0018] Figure 4 is a Figure 3 magnified view of A in a processing fixture for an automotive steering gear.

[0019] In the figure: 1. Base; 2. Support base; 3. Fixed disk; 4. Adjusting and fixing unit; 41. Connecting shaft; 42. Mounting seat; 43. First lead screw; 44. Limiting piece; 45. Second lead screw; 46. Limiting head; 47. Limiting seat; 48. Adjusting head; 49. Connecting block; 401. Extension block; 402. Third lead screw; 403. Sliding block; 404. Stop block; 405. Support rod; 406. Supporting plate; 407. Movable column; 408. Sliding groove; 409. Friction groove. Detailed implementation manners

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0021] Please refer to Figures 1-4 , the present invention provides a technical solution for a processing fixture of an automotive steering gear: a processing fixture of an automotive steering gear, including a base 1, two support bases 2 are connected to the upper surface of the base 1, fixing disks 3 are arranged on the surfaces of the two support bases 2, adjusting and fixing units 4 are arranged on the end faces of the two fixing disks 3, the adjusting and fixing unit 4 includes a connecting shaft 41, one end of the connecting shaft 41 is connected to a mounting seat 42, two first lead screws 43 are annularly connected to the outer surface of the mounting seat 42, limiting pieces 44 are arranged at one ends of the two first lead screws 43, a second lead screw 45 is connected to the top end of the mounting seat 42, a limiting head 46 is arranged at the bottom end of the second lead screw 45, and a connecting block 49 is arranged on one side surface of the support base 2.

[0022] Such as Figures 3-4As shown in the figure, two support rods 405 are connected to the bottom surface of the connection block 49. The bottom ends of the two support rods 405 are both provided with support plates 406. The bottom surface of the connection block 49 is connected with an extension block 401. The inner side wall of the extension block 401 is connected with a third lead screw 402. The outer surface of the connecting shaft 41 is connected with a limit seat 47. One end surface of the connecting shaft 41 is provided with an adjusting head 48. A plurality of friction grooves 409 are annularly formed on the inner side wall of the limit seat 47. Two sliding blocks 403 are connected to the outer surface of the third lead screw 402. The bottom ends of the two sliding blocks 403 are both provided with stoppers 404. One side surface of the two stoppers 404 is connected with a movable column 407. Sliding grooves 408 are formed at the corresponding positions of the surfaces of the two support plates 406 and the sliding paths of the movable column 407. The stopper 404 is connected to the connection block 49 through the sliding block 403, the third lead screw 402 and the extension block 401. The inner diameter size of the sliding groove 408 is adapted to the sliding path of the movable column 407. The distance between the two support plates 406 is adapted to the outer diameter size of the two stoppers 404. It should be noted that the adjusting head 48 can drive the rotation of the connecting shaft 41, the limit seat 47 and the mounting seat 42, and the rotation of the third lead screw 402 can make the two sliding blocks 403 and the stoppers 404 move relative to each other between the two support plates 406, so as to limit the rotation angle of the connecting shaft 41 and the limit seat 47.

[0023] As Figures 1-3 shown, the limit piece 44 is connected to the mounting seat 42 through the first lead screw 43. One side surface of the limit piece 44 is made of anti-slip rubber material. The limit head 46 is located between the two limit pieces 44. The mounting seat 42 is connected to the support seat 2 through the connecting shaft 41 and the fixed disk 3. It should be noted that the two limit pieces 44 can support the end of the steering gear under the action of the first lead screw 43, and the second lead screw 45 and the limit head 46 can limit and fix the end of the steering gear.

[0024] The working principle of the present utility model: When in use, according to the specification size of the steering gear, rotate the two first lead screws 43 to move the two limit pieces 44 to appropriate positions, then place the two ends of the steering gear on the surfaces of the two limit pieces 44 at both ends respectively, and then rotate the two second lead screws 45 to make the two limit heads 46 press against the two ends of the steering gear and ensure the fixation of the steering gear, so as to complete the limit fixation of the steering gear;

[0025] According to the processing angle requirement, rotate the connecting shaft 41 through the adjusting head 48 to make the limit seat 47 and the mounting seat 42 rotate synchronously. After rotating to an appropriate angle, then rotate the third lead screw 402 to make the two sliding blocks 403 on the outer surface of the third lead screw 402 move relative to each other, drive the two stoppers 404 to contact the inner side wall of the limit seat 47, and continue to rotate to make the two stoppers 404 press against the inner side wall of the limit seat 47, so as to complete the adjustment of the fixed processing angle of the steering gear.

Claims

1. A processing fixture for an automobile steering gear, comprising a base (1), characterized in that: The upper surface of the base (1) is connected to two support seats (2), the surfaces of the two support seats (2) are both provided with fixing plates (3), and the end surfaces of the two fixing plates (3) are both provided with adjustment fixing units (4); The adjusting and fixing unit (4) comprises a connecting shaft (41), one end of the connecting shaft (41) is connected to a mounting seat (42), the outer surface of the mounting seat (42) is annularly connected to two first screw rods (43), one end of each of the two first screw rods (43) is provided with a limiting plate (44), the top end of the mounting seat (42) is connected to a second screw rod (45), the bottom end of the second screw rod (45) is provided with a limiting head (46), and a side surface of the support seat (2) is provided with a connecting block (49).

2. The processing fixture for an automobile steering gear according to claim 1, characterized in that: The bottom surface of the connecting block (49) is connected to two support rods (405), and the bottom ends of the two support rods (405) are each provided with a supporting plate (406). The bottom surface of the connecting block (49) is connected to an extension block (401), and the inner side wall of the extension block (401) is connected to a third screw rod (402).

3. The processing fixture for an automobile steering gear according to claim 1, characterized in that: The outer surface of the connecting shaft (41) is connected to a limit seat (47), an end surface of the connecting shaft (41) is provided with an adjustment head (48), and the inner side wall of the limit seat (47) is provided with a plurality of friction grooves (409) in an annular shape.

4. The processing fixture for an automobile steering gear according to claim 2, characterized in that: The outer surface of the third screw rod (402) is connected to two sliding blocks (403), the bottom ends of the two sliding blocks (403) are provided with a stopper (404), one side of the two stoppers (404) is connected to a movable column (407), and the surfaces of the two supporting plates (406) and the corresponding positions of the sliding paths of the movable columns (407) are provided with sliding grooves (408).

5. The processing fixture for an automobile steering gear according to claim 1, characterized in that: The limiting plate (44) is connected to the mounting seat (42) via a first screw rod (43); one side of the limiting plate (44) is made of anti-slip rubber material; the limiting head (46) is located between the two limiting plates (44); and the mounting seat (42) is connected to the support seat (2) via a connecting shaft (41) and a fixing plate (3).

6. The processing fixture for an automobile steering gear according to claim 4, characterized in that: The stopper (404) is connected to the connecting block (49) via the sliding block (403), the third screw rod (402) and the extension block (401); the inner diameter of the sliding groove (408) is adapted to the sliding path of the movable column (407); and the spacing between the two supporting plates (406) is adapted to the outer diameter of the two stoppers (404).

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