CN224058853U - A positioning fixture for gear machining - Google Patents

Abstract

The utility model relates to the field of positioning fixtures and discloses a positioning fixture for gear machining, which comprises a fixture main body and a gear body, wherein a rotating mechanism is arranged on one side of the fixture main body, and a clamping mechanism is arranged on one side of the rotating mechanism. According to the fixture, the position of the rotating mechanism can be conveniently and rapidly adjusted according to the actual processing requirements through the design of the sliding rail and the moving plate in the fixture body, the steering engine can drive the rotating seat in the rotating mechanism to achieve multi-angle rotation of the clamping mechanism and the limiting mechanism, the requirements of different gear processing angles are easily met, in the clamping mechanism, the bidirectional screw rod is matched with the adjusting rod, the position of the moving supporting block can be accurately controlled, the inner wall of the gear is stably clamped, the threaded rod of the limiting mechanism cooperates with the limiting block and the limiting disc, the axial position of the gear can be accurately limited, and the gear is accurately positioned in the whole processing process, so that the accuracy and quality of gear processing are greatly improved.

Description

Positioning fixture for gear machining

Technical Field

The utility model relates to the field of positioning fixtures, in particular to a positioning fixture for gear machining.

Background

The gear machining is a process of machining a gear blank into a gear with specific tooth shape and size precision, and comprises various processes of turning, milling, hobbing and gear shaping, so that the gear meets different mechanical transmission requirements, and when the gear is machined, accurate positioning is crucial, and a positioning clamp can ensure that the position of the gear blank is fixed and accurate in the machining process, so that the machined gear meets high-precision standards, and the machining quality and efficiency are improved.

The existing positioning fixture is mostly of a fixed structure, is poor in flexibility, cannot quickly and accurately adjust clamping positions and angles when facing diversified gear machining demands, is low in machining efficiency, is prone to positioning deviation, influences the machining precision and quality of gears, and therefore provides a positioning fixture for gear machining to solve the problems in the prior art.

Disclosure of utility model

The utility model aims to solve the defects in the prior art, and provides a positioning clamp for gear machining, which has strong overall flexibility and simple operation.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The positioning clamp for gear machining comprises a clamp main body and a gear body, wherein a rotating mechanism is arranged on one side of the clamp main body, a clamping mechanism is arranged on one side of the rotating mechanism, and a limiting mechanism is arranged on one side of the clamping mechanism;

The fixture comprises a fixture body and is characterized in that the fixture body comprises a fixed seat and a moving plate, a sliding rail is fixedly arranged on one side of the fixed seat, a rotating mechanism comprises a fixed column and a rotating seat, a steering engine is fixedly arranged inside the fixed column, a clamping mechanism comprises a fixed frame, a fixed block and two movable supporting blocks, a bidirectional screw is rotatably arranged inside the fixed frame, an adjusting rod is fixedly arranged at the upper end of the bidirectional screw, a locking rod is arranged on one side of the adjusting rod, two protecting pads are fixedly arranged on the outer surface of the movable supporting blocks, a limiting mechanism comprises a threaded rod and a limiting disc, and a limiting block is sleeved on the thread of the outer surface of the threaded rod.

Further, a plurality of fixing holes are formed in the bottom of the fixing base, and a plurality of fixing bolts are connected to one side of the moving plate in a threaded mode.

Further, one side of the moving plate is arranged on the outer surface of the sliding rail in a sliding mode, and the other side of the moving plate is fixedly connected with the fixed column.

Further, one side of the rotating seat is rotationally connected with the fixed column, and the output end of the steering engine is fixedly connected with the rotating seat.

Further, the fixed block is fixedly sleeved on the outer surface of the middle part of the bidirectional screw, and the two movable supporting blocks are respectively sleeved on the outer surfaces of the two sides of the bidirectional screw in a threaded manner.

Further, one side of the threaded rod is fixedly connected with the fixed block.

Further, the limiting disc is arranged on the outer surface of the threaded rod in a sliding sleeve mode.

The utility model has the following beneficial effects:

1. According to the positioning clamp for gear machining, the slide rail and the movable plate are designed, the position of the rotating mechanism can be conveniently adjusted according to actual machining requirements, in the rotating mechanism, the steering engine can drive the rotating seat to rotate at multiple angles for the clamping mechanism and the limiting mechanism, the requirements of different gear machining angles are met easily, in the clamping mechanism, the bidirectional screw rod is matched with the adjusting rod, the position of the movable supporting block can be accurately controlled, the inner wall of the gear is stably clamped, the threaded rod of the limiting mechanism cooperates with the limiting block and the limiting disc, the axial position of the gear can be accurately limited, the gear is ensured to be accurately positioned in the whole machining process, and the accuracy and quality of gear machining are greatly improved.

2. According to the positioning clamp for gear machining, the protection pad is arranged on the outer surface of the movable supporting block of the clamping mechanism, when the inner wall of the gear is clamped, the gear is effectively prevented from being scratched or damaged, the service life of the gear is prolonged, the product quality is guaranteed, when the position of the clamp is adjusted, the fixing bolt is only required to be loosened or screwed down, the gear clamping and loosening operation can be easily achieved by rotating the adjusting rod, the adjusted position is stable by the locking rod, the whole operation flow is simple and efficient, the working difficulty of operators is reduced, and the working efficiency is improved.

Drawings

FIG. 1 is a first schematic axial side view of the present utility model;

FIG. 2 is a second axial schematic view of the present utility model;

FIG. 3 is a schematic side cross-sectional view of the present utility model;

Fig. 4 is an enlarged view at a of the present utility model.

Legend description:

1. A clamp body; 2, a gear body, 3, a rotating mechanism, 4, a clamping mechanism, 5, a limiting mechanism, 101, a fixing hole, 102, a fixing seat, 103, a sliding rail, 104, a fixing bolt, 105, a moving plate, 301, a fixing column, 302, a steering engine, 303, a rotating seat, 401, an adjusting rod, 402, a locking rod, 403, a fixing frame, 404, a fixing block, 405, a bidirectional screw, 406, a moving support block, 407, a protection pad, 501, a threaded rod, 502, a limiting block, 503 and a limiting disc.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the positioning clamp for gear machining provided by the embodiment of the utility model comprises a clamp main body 1 and a gear main body 2, wherein a rotating mechanism 3 is arranged on one side of the clamp main body 1, a clamping mechanism 4 is arranged on one side of the rotating mechanism 3, and a limiting mechanism 5 is arranged on one side of the clamping mechanism 4.

Specifically, the fixture main body 1 is a basic supporting part of the whole positioning fixture, a stable platform is provided for the installation and operation of other mechanisms, the rotating mechanism 3 can drive the clamping mechanism 4 and the limiting mechanism 5 to rotate, the machining angle of the gear body 2 is convenient to adjust, the clamping mechanism 4 is used for clamping and fixing the gear body 2, the gear body 2 is guaranteed not to displace in the machining process, the limiting mechanism 5 further limits the position of the gear body 2, and the positioning accuracy is improved.

Referring to fig. 1 to 3, a clamp body 1 comprises a fixed seat 102 and a moving plate 105, a sliding rail 103 is fixedly arranged on one side of the fixed seat 102, a plurality of fixing holes 101 are formed in the bottom of the fixed seat 102, a plurality of fixing bolts 104 are connected to one side of the moving plate 105 in a threaded mode, one side of the moving plate 105 is slidably arranged on the outer surface of the sliding rail 103, the other side of the moving plate 105 is fixedly connected with a fixing column 301, a rotating mechanism 3 comprises the fixing column 301 and a rotating seat 303, a steering engine 302 is fixedly arranged in the fixing column 301, one side of the rotating seat 303 is rotatably connected with the fixing column 301, and an output end of the steering engine 302 is fixedly connected with the rotating seat 303.

Specifically, in the fixture main body 1, the fixing base 102 can fix the fixture main body 1 on the processing equipment through the fixing hole 101 at the bottom by using bolts or other connecting pieces, the sliding rail 103 provides a guiding function for the sliding of the moving plate 105, and the moving plate 105 can be fixed on the sliding rail 103 through the fixing bolts 104, so that the position of the rotating mechanism 3 is adjusted, in the rotating mechanism 3, the steering engine 302 works, the output end of the steering engine 302 drives the rotating seat 303 to rotate, and then the angle adjustment of the clamping mechanism 4 and the limiting mechanism 5 is realized.

Referring to fig. 1 and 4, the clamping mechanism 4 comprises a fixing frame 403, a fixing block 404 and two movable supporting blocks 406, a bidirectional screw rod 405 is rotatably arranged in the fixing frame 403, an adjusting rod 401 is fixedly arranged at the upper end of the bidirectional screw rod 405, a locking rod 402 is arranged on one side of the adjusting rod 401, a protection pad 407 is fixedly arranged on the outer surface of each of the two movable supporting blocks 406, the fixing block 404 is fixedly sleeved on the outer surface of the middle of the bidirectional screw rod 405, the two movable supporting blocks 406 are respectively sleeved on the outer surfaces of the two sides of the bidirectional screw rod 405 in a threaded mode, one side of the threaded rod 501 is fixedly connected with the fixing block 404, the limiting mechanism 5 comprises a threaded rod 501 and a limiting disc 503, a limiting block 502 is sleeved on the outer surface of the threaded rod 501 in a threaded mode, and the limiting disc 503 is slidably sleeved on the outer surface of the threaded rod 501.

Specifically, in the clamping mechanism 4, the rotation adjusting rod 401 can drive the bidirectional screw rod 405 to rotate, because the screw thread directions on two sides of the bidirectional screw rod 405 are opposite, the two movable supporting blocks 406 can move in opposite directions or in opposite directions under the drive of the bidirectional screw rod 405, when the movable supporting blocks 406 move in opposite directions, the movable supporting blocks 406 are in close contact with the inner wall of the gear body 2 and gradually apply pressure to clamp the gear body 2, when the movable supporting blocks move in opposite directions, the clamping of the gear body 2 is released, the locking rod 402 can lock the adjusting rod 401 after the position of the movable supporting blocks 406 is adjusted, the movable supporting blocks 406 are prevented from accidentally rotating, the protective pad 407 can prevent the movable supporting blocks 406 from scratching or damaging the inner wall of the gear body 2 in the clamping process, in the limiting mechanism 5, the position of the movable supporting blocks on the threaded rod 501 can be adjusted through the rotating limiting blocks 502, and the limiting disc 503 can slide on the threaded rod 501 to limit the axial position of the gear body 2.

The clamp is characterized in that when the clamp is used, firstly, the position of a moving plate 105 on a sliding rail 103 is adjusted through a fixing bolt 104 according to processing requirements, a clamp main body 1 is fixed at a proper place, then, a gear main body 2 is sleeved outside two moving support blocks 406, an adjusting rod 401 is rotated, a bidirectional screw 405 drives the two moving support blocks 406 to move back to back until the moving support blocks 406 are tightly contacted with the inner wall of the gear main body 2 and clamp the same, then, a locking rod 402 is used for locking the adjusting rod 401, afterwards, a limiting block 502 is rotated according to the axial dimension of the gear main body 2, the position of the limiting block 502 on a threaded rod 501 is adjusted, a limiting disc 503 is slid to be contacted with the gear main body 2, the axial position of the gear main body 2 is limited, if the processing angle of the gear main body 2 is required to be adjusted, a steering engine 302 is started, the steering engine 302 drives a rotating seat 303 to rotate, thus, after gear processing is completed, the locking rod 402 is released, the adjusting rod 401 is reversely rotated, the two moving support blocks 406 are moved towards each other, and a gear which is used for clamping the inner wall of the gear main body 2, and then, the gear can be processed.

It should be noted that the foregoing description is only a preferred embodiment of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it should be understood that modifications, equivalents, improvements and modifications to the technical solution described in the foregoing embodiments may occur to those skilled in the art, and all modifications, equivalents, and improvements are intended to be included within the spirit and principle of the present utility model.

Claims (7)

1. A positioning fixture for gear processing, comprising a fixture body (1) and a gear body (2), characterized in that: a rotating mechanism (3) is provided on one side of the fixture body (1), a clamping mechanism (4) is provided on one side of the rotating mechanism (3), and a limiting mechanism (5) is provided on one side of the clamping mechanism (4); The clamp body (1) includes a fixed base (102) and a movable plate (105). A slide rail (103) is fixedly installed on one side of the fixed base (102). The rotating mechanism (3) includes a fixed column (301) and a rotating base (303). A servo motor (302) is fixedly installed inside the fixed column (301). The clamping mechanism (4) includes a fixed frame (403), a fixed block (404), and two movable support blocks (406). 3) An internal rotating double-acting screw (405) is provided, and an adjusting rod (401) is fixedly provided at the upper end of the double-acting screw (405). A locking rod (402) is provided on one side of the adjusting rod (401). Protective pads (407) are fixedly provided on the outer surfaces of the two movable support blocks (406). The limiting mechanism (5) includes a threaded rod (501) and a limiting plate (503). The limiting block (502) is threaded on the outer surface of the threaded rod (501). 2. A positioning fixture for gear processing according to claim 1, characterized in that: the bottom of the fixed seat (102) is provided with a plurality of fixing holes (101), and a plurality of fixing bolts (104) are threadedly connected to one side of the moving plate (105). 3. A positioning fixture for gear processing according to claim 1, characterized in that: one side of the moving plate (105) is slidably disposed on the outer surface of the slide rail (103), and the other side of the moving plate (105) is fixedly connected to the fixed column (301). 4. A positioning fixture for gear processing according to claim 1, characterized in that: one side of the rotating seat (303) is rotatably connected to the fixed column (301), and the output end of the servo motor (302) is fixedly connected to the rotating seat (303). 5. A positioning fixture for gear processing according to claim 1, characterized in that: the fixing block (404) is fixedly sleeved on the outer surface of the middle part of the bidirectional screw (405), and the two movable support blocks (406) are respectively threaded on the outer surfaces of both sides of the bidirectional screw (405). 6. A positioning fixture for gear processing according to claim 1, characterized in that: one side of the threaded rod (501) is fixedly connected to the fixing block (404). 7. A positioning fixture for gear processing according to claim 1, characterized in that: the limiting disc (503) is slidably sleeved on the outer surface of the threaded rod (501).