CN221159893U - Gear round hole grinding clamp - Google Patents

Abstract

The utility model discloses a gear round hole grinding clamp, and relates to the technical field of gear machining. The clamping device comprises a bottom plate, a fixed side plate is fixedly connected to the top of the bottom plate, a circular ring limiting piece is arranged on one side of the fixed side plate, a plurality of clamping arms limited on the circular ring limiting piece are rotationally connected to the surface of the fixed side plate, the circular ring limiting piece comprises two limiting rings, and the two limiting rings are connected through a plurality of connecting column blocks. According to the utility model, through the arrangement of the fixed side plate, the circular ring limiting piece, the clamping arms and the like, the device can brake the clamping arms to rotate in a manner of rotating the circular ring limiting piece, the clamping arms are close to the round hole axis in the middle of the fixed side plate in the rotating process and can abut against the surface of the outer ring of the gear to clamp the inner ring of the gear, and the other side of the fixed side plate can be used for clamping the inner ring of the gear.

Description

Gear round hole grinding clamp

Technical Field

The utility model relates to the technical field of gear machining, in particular to a gear round hole grinding clamp.

Background

The utility model discloses an authorized publication number is CN219075340U and discloses including grinding device, anchor clamps base and power device for gear round hole grinding anchor clamps, anchor clamps include first splint, second splint, dead lever and fixed ball, first splint rotate and connect on the anchor clamps base, first splint and second splint joint are in the same place, the terminal surface of second splint has integrated into one piece's arch, the terminal surface of first splint corresponds bellied position and sets up flutedly, dead lever fixed mounting is in the inside of first splint, dead ball fixed mounting is at the tip of dead lever, solve current gear round hole grinding anchor clamps and carry out the in-process of processing at the centre gripping gear, stability is comparatively not enough problem.

The device can provide better stability, but this anchor clamps are the same with the anchor clamps that are used for the centre gripping gear on the market tradition, can only centre gripping gear outer lane, and the gear before the tooth still does not grind out in the course of working, should need carry out spacing centre gripping to the inner circle of gear for processing tooth, after tooth processing is accomplished, should centre gripping outer lane is used for polishing the gear inner circle, therefore, current gear centre gripping functionality is not enough, the practicality is relatively poor.

Disclosure of utility model

The utility model aims to provide a gear round hole grinding clamp for solving the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the gear round hole grinding clamp comprises a bottom plate, wherein a fixed side plate is fixedly connected to the top of the bottom plate, a circular ring limiting piece is arranged on one side of the fixed side plate, a plurality of clamping arms limited on the circular ring limiting piece are further rotationally connected to the surface of the fixed side plate, the circular ring limiting piece comprises two limiting rings, the two limiting rings are connected through a plurality of connecting column blocks, and the limiting ring close to one side of the fixed side plate is rotationally connected to one side of the fixed side plate;

And a driving piece for driving the circular limiting piece to rotate is further arranged on one side of the fixed side plate.

Preferably, the clamping arm comprises an articulated arm which is rotationally connected to one side of the fixed side plate, the tail end of the articulated arm is hinged with an outer ring clamping block, a plurality of limiting clamping blocks are rotationally connected between the two limiting rings, and the limiting clamping blocks are slidingly connected to the surface of the articulated arm and are in shape matching with the surface of the articulated arm.

Preferably, the back side of the tail end of the articulated arm is fixedly connected with a connecting block, and one side of the tail end of the connecting block is rotationally connected with an inner ring clamping block.

Preferably, the driving piece comprises a fixed block fixed on one side of the fixed side plate, a motor is installed on one side of the fixed block, a threaded rod is fixedly connected to the output end of the motor, a lug is fixedly arranged on the surface of a limiting ring close to the fixed side plate, a screw-connection brake block is rotatably connected to one side of the lug, and the screw-connection brake block is screw-connected to the surface of the threaded rod.

Preferably, the clamping arms are provided with at least three groups, the middle part of the fixed side plate is provided with a round hole, and the connecting line between the tail ends of the hinged arms in each group of clamping arms is overlapped with the axis of the round hole.

Preferably, one side of the inner ring clamping block and one side of the outer ring clamping block are arc-shaped, and the inner ring clamping block and the outer ring clamping block are rubber blocks.

Compared with the prior art, the utility model has the beneficial effects that:

The gear round hole grinding clamp is arranged through the fixed side plate, the circular ring limiting part, the clamping arms and the like, the device is arranged through the driving part, the clamping arms are braked to rotate in a mode of rotating the circular ring limiting part, a plurality of clamping arms are close to the axis of the round hole in the middle of the fixed side plate in the rotating process, the clamping of the gear can be realized by abutting against the surface of the outer ring of the gear, the other side of the fixed side plate can be used for clamping the inner ring of the gear, and the inner ring clamping block is relatively close to the axis in the initial process of outwards opening the hinged arm, so that the gear round hole grinding clamp can clamp the inner ring of the gear, has relatively strong functionality and is suitable for popularization.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a gear round hole grinding fixture of the utility model;

FIG. 2 is a schematic view of a clamping arm structure of the gear round hole grinding clamp of the utility model;

FIG. 3 is a schematic view of the circular ring limiter of the gear round hole grinding fixture of the present utility model;

Fig. 4 is a schematic view of the back structure of the gear round hole grinding jig of the present utility model.

In the figure: 1. a bottom plate; 2. a fixing bolt; 3. fixing the side plates; 4. a circular ring limiting piece; 401. a limiting ring; 402. connecting the column blocks; 403. a tab; 5. a clamping arm; 501. an articulated arm; 502. a limit clamping block; 503. an outer ring clamping block; 504. a connecting block; 505. an inner ring clamping block; 6. a motor; 7. a threaded rod; 8. the screw joint brake block; 9. and a fixed block.

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.

The gear round hole grinding clamp is a fixture clamp for machining a gear round hole, and can firmly clamp a gear to prevent the gear from moving or shaking in the grinding process. The gear round hole grinding fixture can ensure that the relative position between the gear and the grinding tool is kept unchanged, so that deviation of the size and the shape of the gear after grinding is avoided, and the accuracy and the efficiency of gear machining can be effectively improved. The gear grinding device can ensure accurate positioning and stable clamping of gears in the grinding process, and prevent poor quality or workpiece damage caused by machining errors. Meanwhile, the grinding machine can help operators to grind round holes of gears more conveniently.

As shown in fig. 1 to 4, the present utility model provides a technical solution: the gear round hole grinding clamp comprises a bottom plate 1, a fixed side plate 3 is fixedly connected to the top of the bottom plate 1, a circular ring limiting piece 4 is installed on one side of the fixed side plate 3, a plurality of clamping arms 5 limited on the circular ring limiting piece 4 are also rotationally connected to the surface of the fixed side plate 3, the circular ring limiting piece 4 comprises two limiting rings 401, the two limiting rings 401 are connected through a plurality of connecting column blocks 402, and the limiting ring 401 close to one side of the fixed side plate 3 is rotationally connected to one side of the fixed side plate 3;

A driving piece for driving the circular limiting piece 4 to rotate is also arranged on one side of the fixed side plate 3.

To ensure smooth implementation of this embodiment, it should be understood that the clamping arm 5 includes an articulated arm 501 rotatably connected to one side of the fixed side plate 3, and an outer ring clamping block 503 is hinged to an end of the articulated arm 501, wherein a plurality of limiting blocks 502 are rotatably connected between the two limiting rings 401, the limiting blocks 502 are slidably connected to a surface of the articulated arm 501, and a shape of the limiting blocks 502 is adapted to a shape of a surface of the articulated arm 501.

To ensure smooth implementation of this embodiment, it should be understood that the back side of the end of the hinge arm 501 is fixedly connected with a connection block 504, and the end side of the connection block 504 is rotatably connected with an inner ring clamping block 505.

To ensure smooth implementation of this embodiment, it should be understood that the driving member includes a fixed block 9 fixed on one side of the fixed side plate 3, a motor 6 is installed on one side of the fixed block 9, an output end of the motor 6 is fixedly connected with a threaded rod 7, a tab 403 is fixed on a surface of a limiting ring 401 near the fixed side plate 3, a threaded brake block 8 is rotationally connected on one side of the tab 403, and the threaded brake block 8 is screwed on the surface of the threaded rod 7, and the threaded rod 7 is driven to rotate by the motor 6 and acts on the threaded brake block 8, so that the threaded brake block 8 pushes the annular limiting member 4 to rotate.

In order to ensure smooth implementation of this embodiment, it should be understood that at least three groups of clamping arms 5 are provided, a round hole is provided in the middle of the fixed side plate 3, a connecting line between the ends of the hinge arms 501 in each group of clamping arms 5 overlaps with the axis of the round hole, and the three groups or more of clamping arms 5 can clamp the gear, otherwise, the stability is poor.

In order to ensure smooth implementation of this embodiment, it should be understood that one sides of the inner ring clamping block 505 and the outer ring clamping block 503 are arc surfaces, and the inner ring clamping block 505 and the outer ring clamping block 503 are rubber blocks, so that friction with gears can be increased, and clamping strength and stability can be improved.

The fixed curb plate 3 is fixed on bottom plate 1 through the top connection, and bottom plate 1 is fixed in on the table surface through fixing bolt 2, ensures the stability of anchor clamps, and ring locating part 4 is installed to fixed curb plate 3 one side, comprises two spacing rings 401 and spliced pole piece 402, and spacing ring 401 passes through spliced pole piece 402 and links to each other, and wherein is close to spacing ring 401 and fixed curb plate 3 rotation that fixed curb plate 3 one side is connected, and a plurality of centre gripping arms 5 are installed on fixed curb plate 3 surface to spacing on ring locating part 4. These clamping arms 5 can rotate around the circular limiting part 4, a driving part for driving the circular limiting part 4 to rotate is further installed on one side of the fixed side plate 3, the driving part comprises a fixed block 9, a motor 6 and a threaded rod 7, the motor 6 is connected with the threaded rod 7 through an output end, the threaded rod 7 rotates to drive the circular limiting part 4 to rotate, when the driving part starts and enables the circular limiting part 4 to rotate, the clamping arms 5 rotate along with the rotation, the clamping blocks (an inner ring clamping block 505 and an outer ring clamping block 503) at the tail ends of the clamping arms 5 clamp workpieces in a clamp through the design of the hinge arms 501 and the limiting clamping blocks 502, once the workpieces are clamped in the clamp, grinding of gears or round holes can be performed, the workpieces can be ground in the correct positions due to the stability of the clamp and the design of the clamping arms 5, and the gear round hole grinding clamp can effectively fix and clamp the workpieces, and accurate grinding processing can be realized.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made hereto without departing from the spirit and scope of the utility model as defined by the appended embodiments and equivalents thereof.

Claims (6)

1. Gear round hole grinding fixture, including bottom plate (1), its characterized in that: the device is characterized in that a fixed side plate (3) is fixedly connected to the top of the bottom plate (1), a circular ring limiting piece (4) is arranged on one side of the fixed side plate (3), a plurality of clamping arms (5) limited on the circular ring limiting piece (4) are further rotationally connected to the surface of the fixed side plate (3), the circular ring limiting piece (4) comprises two limiting rings (401), the two limiting rings (401) are connected through a plurality of connecting column blocks (402), and the limiting ring (401) close to one side of the fixed side plate (3) is rotationally connected to one side of the fixed side plate (3);

One side of the fixed side plate (3) is also provided with a driving piece for driving the circular limiting piece (4) to rotate.

2. The gear round hole grinding jig according to claim 1, wherein: the clamping arm (5) comprises an articulated arm (501) which is rotationally connected to one side of the fixed side plate (3), an outer ring clamping block (503) is hinged to the tail end of the articulated arm (501), a plurality of limiting clamping blocks (502) are rotationally connected between the two limiting rings (401), the limiting clamping blocks (502) are slidably connected to the surface of the articulated arm (501), and the shape of the limiting clamping blocks (502) is matched with the shape of the surface of the articulated arm (501).

3. The gear round hole grinding jig according to claim 2, wherein: the back side of the tail end of the articulated arm (501) is fixedly connected with a connecting block (504), and one side of the tail end of the connecting block (504) is rotationally connected with an inner ring clamping block (505).

4. The gear round hole grinding jig according to claim 1, wherein: the driving piece is including being fixed in fixed block (9) of fixed curb plate (3) one side, and motor (6) are installed to fixed block (9) one side, and motor (6) output fixedly connected with threaded rod (7), wherein, be close to spacing ring (401) fixed surface of fixed curb plate (3) and be fixed with lug (403), lug (403) one side rotation is connected with spiro union brake block (8), spiro union brake block (8) spiro union in threaded rod (7) surface.

5. The gear round hole grinding jig according to claim 1, wherein: the clamping arms (5) are at least provided with three groups, round holes are formed in the middle of the fixed side plate (3), and connecting lines between the tail ends of the hinged arms (501) in each group of clamping arms (5) are overlapped with the axes of the round holes.

6. A gear round hole grinding jig according to claim 3, wherein: one side of the inner ring clamping block (505) and one side of the outer ring clamping block (503) are cambered, and the inner ring clamping block (505) and the outer ring clamping block (503) are rubber blocks.