CN219465890U - Locking mechanism of repairing device - Google Patents

Abstract

The utility model discloses a modifier locking mechanism, which comprises a servo motor and a swinging shaft, wherein a hydraulically-driven axial friction locking device is arranged on the swinging shaft, the axial friction locking device comprises an upper cylinder body, an outer cylinder body, a piston, a locking piece and a fixed sleeve, the locking piece comprises a sleeve and a locking ring, the locking ring is fixedly connected with the outer wall of the sleeve, the sleeve is sleeved on the swinging shaft, the locking ring is arranged between the piston and the outer cylinder body, a hydraulic oil cavity is arranged between the piston and the upper cylinder body, variable hydraulic oil is filled in the hydraulic oil cavity, the outer cylinder body and the upper cylinder body are fixedly connected with the fixed sleeve, one end of the fixed sleeve is rotatably connected with the swinging shaft, and the other end of the fixed sleeve is fixedly connected with an output shaft of the servo motor. On the basis of locking the swinging shaft by the original servo motor, an additional hydraulic driving axial friction locking device is added on the swinging shaft, and when the swinging shaft needs to be fixed, an additional locking force is provided, so that the swinging shaft is fixed more firmly.

Description

Locking mechanism of repairing device

Technical Field

The utility model relates to the technical field of gear grinding equipment, in particular to a locking mechanism of a gear repairing device.

Background

The shaping device is an important component in gear grinding equipment and is used for shaping a grinding wheel, the universal shaping device is driven by a servo motor to swing left and right, when the shaping device swings to a specific angle to finish the grinding wheel, a swinging shaft of the shaping device is locked by the servo motor, the problems of poor rigidity, insufficient locking force and running size exist, and meanwhile, the service life of the servo motor is shortened.

Disclosure of Invention

The technical problems to be solved by the utility model are as follows: the swinging shaft of the trimming device is locked by the servo motor only, so that the trimming device locking mechanism with stronger locking force is provided.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a repair type ware locking mechanism, includes servo motor and oscillating axle, be provided with hydraulic drive's axial friction locking device on the oscillating axle, axial friction locking device includes cylinder body, outer cylinder body, piston, retaining member and fixed cover, the retaining member includes sleeve and locking ring, locking ring and telescopic outer wall fixed connection, the sleeve cup joints on the oscillating axle, the locking ring is arranged in between piston and the outer cylinder body, be provided with hydraulic oil chamber between piston and the last cylinder body, it has variable hydraulic oil to fill in the hydraulic oil chamber, outer cylinder body and last cylinder body all with fixed cover fixed connection, the one end and the oscillating axle rotation of fixed cover are connected, the other end and servo motor's output shaft fixed connection.

Preferably: the outer cylinder body comprises a cylinder body and a bottom plate, the bottom plate is fixedly connected with the inner wall of the cylinder body, the cross section of the bottom plate is in an L-shaped arrangement, and the piston moves between the cylinder body and the sleeve.

Preferably: a groove is formed in one side, opposite to the piston, of the bottom plate, and a cushion block is arranged in the groove.

Preferably: a V-shaped groove is formed in one side of the cushion block, and the V-shaped groove is arranged close to the locking ring.

Preferably: and a pressing block is convexly arranged on one side of the piston, opposite to the bottom plate.

Preferably: a first sealing ring is arranged between the upper cylinder body and the cylinder body.

Preferably: a second sealing ring is arranged between the piston and the cylinder body.

Preferably: the volume of hydraulic oil in the hydraulic oil cavity is controlled by an electromagnetic valve.

Preferably: the fixed sleeve comprises an upper sleeve body and a lower sleeve body, the upper sleeve body is rotationally connected with the swinging shaft, the lower sleeve is fixedly connected with an output shaft of the servo motor, and the upper sleeve body is fixedly connected with the lower sleeve body.

Preferably: the sleeve is fixedly connected with the swinging shaft through a bolt, and the axial direction of the bolt is parallel to the axial direction of the swinging shaft.

The beneficial effects of the utility model are as follows: on the basis of locking the swinging shaft by the original servo motor, an additional hydraulic driving axial friction locking device is added on the swinging shaft, and when the swinging shaft needs to be fixed, an additional locking force is provided, so that the swinging shaft is fixed more firmly.

Drawings

FIG. 1 is a schematic view of a modifier locking mechanism;

FIG. 2 is an enlarged view of FIG. 1 at A;

in the figure: 1. a servo motor; 2. a swing shaft; 3. an axial friction locking device; 31. an upper cylinder; 32. an outer cylinder; 321. a cylinder; 322. a bottom plate; 3221. a groove; 3222. a cushion block; 32221. a V-shaped groove; 33. a piston; 331. briquetting; 34. a locking member; 341. a sleeve; 342. a locking ring; 35. a fixed sleeve; 351. an upper sleeve body; 352. a lower sleeve body; 36. and a hydraulic oil cavity.

Detailed Description

It should be noted that, without conflict, the embodiments and features of the embodiments in the present application may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.

In the present utility model, unless otherwise indicated, the terms "upper" and "lower" are used generally with respect to the directions shown in the drawings, or with respect to the vertical, vertical or gravitational directions; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present utility model.

According to the embodiment shown in fig. 1, a locking mechanism of a trimmer comprises a servo motor 1 and a swinging shaft 2, wherein a hydraulically driven axial friction locking device 3 is arranged on the swinging shaft 2, the axial friction locking device 3 comprises an upper cylinder body 31, an outer cylinder body 32, a piston 33, a locking piece 34 and a fixing sleeve 35, the locking piece 34 comprises a sleeve 341 and a locking ring 342, the locking ring 342 is fixedly connected with the outer wall of the sleeve 341, the sleeve 341 is sleeved on the swinging shaft 2, the locking ring 342 is arranged between the piston 33 and the outer cylinder body 32, a hydraulic oil cavity 36 is arranged between the piston 33 and the upper cylinder body 31, variable hydraulic oil is filled in the hydraulic oil cavity 36, the outer cylinder body 32 and the upper cylinder body 31 are fixedly connected with the fixing sleeve 35, one end of the fixing sleeve 35 is rotationally connected with the swinging shaft 2, and the other end of the fixing sleeve 35 is fixedly connected with an output shaft of the servo motor 1.

According to fig. 2, the outer cylinder 32 includes a cylinder 321 and a bottom plate 322, the bottom plate 322 is fixedly connected with the inner wall of the cylinder 321, and the cross section is in an L-shaped configuration, and the piston 33 moves between the cylinder and the sleeve 341. A groove 3221 is formed in one side of the bottom plate 322 opposite to the piston 33, and a cushion block 3222 is arranged in the groove 3221. One side of the spacer 3222 is provided with a V-shaped groove 32221, and the V-shaped groove 32221 is disposed adjacent to the locking ring 342. The piston 33 is provided with a pressing block 331 protruding from one side of the bottom plate 322. The cylinder 321 is disposed in parallel with the sleeve 341 with a space therebetween, the upper cylinder 31 is disposed in parallel with the bottom plate 322 with a space therebetween, and the piston 33 is reciprocally moved between the upper cylinder 31 and the bottom plate 322 by hydraulic oil drive.

The setting of briquetting 331 and cushion 3222 is used for reducing the area of contact with locking ring 342, makes bottom plate 322 and piston 33 clamp locking ring 342 more firm, and the setting of V type groove 32221 is used for increasing the elasticity of cushion 3222, and when locking ring 342 loses external force, the locking can rebound, reduces the frictional force with cushion 3222, in addition, the cushion 3222 of being made by memory metal material avoids the too big and damage of extrusion force that receives, influences normal use, preferably, locking ring 342 also is made by memory metal material.

A first sealing ring is arranged between the upper cylinder 31 and the cylinder 321. A second sealing ring is provided between the piston 33 and the cylinder 321. The first sealing ring and the second sealing ring are used for improving the tightness of the hydraulic oil cavity 36 and avoiding leakage of hydraulic oil in the hydraulic oil cavity 36 from a gap of the upper cylinder 31 or the piston 33.

The hydraulic oil volume in the hydraulic oil chamber 36 is controlled by a solenoid valve. The electromagnetic valve can remotely control the oil quantity of the hydraulic oil in the hydraulic oil cavity 36, so that the control is convenient.

The fixed sleeve 35 comprises an upper sleeve body 351 and a lower sleeve body 352, the upper sleeve body 351 is rotationally connected with the swinging shaft 2, the lower sleeve body 352 is fixedly connected with the output shaft of the servo motor 1, and the upper sleeve body 351 is fixedly connected with the lower sleeve body 352. The upper cylinder body 31, the piston 33, the locking piece 34 and the outer cylinder body 32 are convenient to install, and the fixing sleeve 35 is used for installing and fixing the outer cylinder body 32 and the upper cylinder body 31 and also plays a role in protecting the outer cylinder body 32 and the upper cylinder body 31.

The sleeve 341 is fixedly connected with the swing shaft 2 through a bolt, and the axial direction of the bolt is parallel to the axial direction of the swing shaft 2. On the basis of interference fit between the sleeve 341 and the swinging plate, the sleeve 341 and the swinging plate are further firmly connected by adopting bolts for further strengthening and fixing.

With reference to fig. 1-2, on the basis of the original servo motor 1 locking the swinging shaft 2, an additional hydraulic driving axial friction locking device 3 is added on the swinging shaft 2, and when the swinging shaft 2 needs to be fixed, an additional locking force is provided, so that the swinging shaft 2 is fixed more firmly.

The working principle is as follows: after hydraulic oil enters the hydraulic oil cavity 36 through electromagnetic valve control, the piston 33 is pushed, the piston 33 pushes the locking ring 342 again, the locking ring 342 is pressed against the bottom plate 322, the locking ring 342 and the sleeve 341 are integrally arranged, the sleeve 341 is connected to the swinging shaft 2, the bottom plate 322 and the cylinder 321 are integrally arranged, the cylinder 321 is fixedly connected with the fixed sleeve 35, so that the effect of fixing the swinging shaft 2 is achieved, when the swinging shaft 2 needs to be loosened, the hydraulic oil flows out of the hydraulic oil cavity 36, after the locking ring 342 loses external force, friction force with the bottom plate 322 is reduced, and at the moment, the swinging shaft 2 can swing as required.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims (10)

1. The utility model provides a repair type ware locking mechanism, includes servo motor (1) and oscillating axle (2), characterized by: the axial friction locking device is characterized in that the swing shaft (2) is provided with a hydraulic drive axial friction locking device (3), the axial friction locking device (3) comprises an upper cylinder body (31), an outer cylinder body (32), a piston (33), a locking piece (34) and a fixed sleeve (35), the locking piece (34) comprises a sleeve (341) and a locking ring (342), the locking ring (342) is fixedly connected with the outer wall of the sleeve (341), the sleeve (341) is sleeved on the swing shaft (2), the locking ring (342) is arranged between the piston (33) and the outer cylinder body (32), a hydraulic oil cavity (36) is arranged between the piston (33) and the upper cylinder body (31), variable hydraulic oil is filled in the hydraulic oil cavity (36), the outer cylinder body (32) and the upper cylinder body (31) are fixedly connected with the fixed sleeve (35), one end of the fixed sleeve (35) is rotationally connected with the swing shaft (2), and the other end of the fixed sleeve is fixedly connected with an output shaft of the servo motor (1).

2. The trimmer locking mechanism of claim 1, wherein: the outer cylinder body (32) comprises a cylinder body (321) and a bottom plate (322), the bottom plate (322) is fixedly connected with the inner wall of the cylinder body (321), the cross section of the bottom plate is in an L-shaped arrangement, and the piston (33) moves between the cylinder body and the sleeve (341).

3. The trimmer locking mechanism of claim 2, wherein: a groove (3221) is formed in one side, opposite to the piston (33), of the bottom plate (322), and a cushion block (3222) is arranged in the groove (3221).

4. A modifier locking mechanism as set forth in claim 3, wherein: a V-shaped groove (32221) is formed in one side of the cushion block (3222), and the V-shaped groove (32221) is arranged close to the locking ring (342).

5. The trimmer locking mechanism of claim 4 wherein: a pressing block (331) is convexly arranged on one side of the piston (33) opposite to the bottom plate (322).

6. The trimmer locking mechanism of claim 5 wherein: a first sealing ring is arranged between the upper cylinder body (31) and the cylinder body (321).

7. The trimmer locking mechanism of claim 6 wherein: a second sealing ring is arranged between the piston (33) and the cylinder body (321).

8. The trimmer locking mechanism of claim 7 wherein: the hydraulic oil volume in the hydraulic oil chamber (36) is controlled by a solenoid valve.

9. The trimmer locking mechanism of claim 8 wherein: the fixed sleeve (35) comprises an upper sleeve body (351) and a lower sleeve body (352), the upper sleeve body (351) is rotationally connected with the swinging shaft (2), the lower sleeve body (352) is fixedly connected with an output shaft of the servo motor (1), and the upper sleeve body (351) is fixedly connected with the lower sleeve body (352).

10. The trimmer locking mechanism of claim 9 wherein: the sleeve (341) is fixedly connected with the swinging shaft (2) through a bolt, and the axial direction of the bolt is parallel to the axial direction of the swinging shaft (2).