CN216179633U

CN216179633U - Hexagonal part grinds external diameter fixture

Info

Publication number: CN216179633U
Application number: CN202122931386.6U
Authority: CN
Inventors: 陈怀信; 王振峰; 王文丽
Original assignee: Liaocheng Dongchangfu Ruizhi Machinery Co ltd
Current assignee: Liaocheng Dongchangfu Ruizhi Machinery Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-04-05
Anticipated expiration: 2031-11-26

Abstract

The utility model belongs to the technical field of overrunning clutch production equipment, and provides a hexagonal part external diameter grinding fixture which comprises a clamping plate, wherein the longitudinal section of the clamping plate is Z-shaped and comprises a first horizontal clamping part, a transition part and a second horizontal clamping part which are sequentially connected, a connecting hole is formed in the first horizontal clamping part, a connecting bolt penetrates through the connecting hole from top to bottom, a reinforcing ridge is arranged in the transition part and in line contact with the first horizontal clamping part, the second horizontal clamping part comprises two clamping arms, two elastic clamping hooks movably matched with the two clamping arms are arranged below the two clamping arms, each elastic clamping hook comprises a fixing part connected with a special-shaped plate groove, one end, facing the inner side of the rectangular clamping hole, of each fixing part is provided with an embracing part, one end, facing the transition part, of each embracing part is provided with an elastic clamping hook part, and one end of each elastic hook part extends towards the rectangular clamping hole. This device reasonable in design, simple structure, the efficiency of polishing are higher and be favorable to improving the security of polishing, are fit for extensive popularization.

Description

Hexagonal part grinds external diameter fixture

Technical Field

The utility model belongs to the technical field of overrunning clutch production equipment, and relates to a hexagonal part outer diameter grinding fixture.

Background

The overrunning clutch is a basic component which appears along with the development of mechatronics products, and is an important part for power transmission and separation functions between a prime mover and a working machine or between a driving shaft and a driven shaft in the machine. It is a device with self-clutch function by using speed change of driving and driven parts or change of rotation direction. The overrunning clutch consists of a star body, an outer ring, a roller, a spring and the like, and can convert high-rotating-speed low-torque into low-rotating-speed high-torque by driving an outer-edge gear ring through a pinion. When the star body rotates clockwise relative to the outer ring, the clutch is in a combined state, the star body drives the outer ring to rotate, and the clutch is in an overrunning state under the condition, so that power is disengaged from transmission.

At present, some hexagonal parts can be used on an overrunning clutch, and when the hexagonal parts are ground, the hexagonal parts are fixed on a bench clamp and then ground, but the situation that the parts run is easy to occur in the grinding process, so that the grinding efficiency is influenced on one hand, and on the other hand, certain damage is easily caused to hands of workers.

SUMMERY OF THE UTILITY MODEL

Aiming at the technical problems of the hexagonal part in the aspect of polishing, the utility model provides the hexagonal part outer diameter grinding clamp which is reasonable in design, simple in structure, higher in polishing efficiency and beneficial to improving polishing safety.

In order to achieve the purpose, the utility model adopts the technical scheme that the hexagonal part outer diameter grinding clamp comprises a clamping plate, the longitudinal section of the clamping plate is Z-shaped and comprises a first horizontal clamping part, a transition part and a second horizontal clamping part which are sequentially connected, a connecting hole is formed in the first horizontal clamping part, a connecting bolt penetrates through the connecting hole from top to bottom, a reinforcing ridge is arranged on the transition part and in line contact with the first horizontal clamping part, the second horizontal clamping part comprises two clamping arms, the two clamping arms form a rectangular clamping hole, a special-shaped plate groove is formed in the bottom of each clamping arm, an elastic clamping hook which is movably matched with the special-shaped plate groove is arranged in the special-shaped plate groove, each elastic clamping hook comprises a fixing part connected with the special-shaped plate groove, one end of the fixing part, facing the inner side of the rectangular clamping hole, is provided with an embracing part, and one end of the embracing part, facing the transition part, is provided with an elastic hook part, the elastic hook part is a free end, and one end of the elastic hook part extends towards the direction of the rectangular clamping hole.

Preferably, one end, far away from the transition portion, of the first horizontal clamping portion is an arc surface, an arc-shaped first reinforcing piece is arranged at the top of the arc surface, and second reinforcing pieces connected with the transition portion and the second horizontal clamping portion are arranged at two ends of the inner side of the clamping plate.

Preferably, the cross section of the clasping portion is arc-shaped, the curvature center of the clasping portion faces the center of the rectangular clamping hole, and the connecting end of the fixing portion and the clasping portion protrudes out of one side of the rectangular clamping hole.

Preferably, the elastic hook extends obliquely in the direction of the transition.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. according to the fixture for grinding the outer diameter of the hexagonal part, the connecting bolt penetrates through the first horizontal clamping part to fix the fixture on grinding equipment, and the clamping arm and the elastic clamping hook can clamp the hexagonal part from the side surface of the hexagonal part and prevent the hexagonal part from deflecting, so that the grinding quality of the hexagonal part by the grinding equipment is improved; the reinforcing ridge on the clamping plate can improve the structural strength of the clamping plate, and is favorable for improving the clamping stability of the hexagonal part and prolonging the effective service life of the clamping plate. This device reasonable in design, simple structure, the efficiency of polishing are higher and be favorable to improving the security of polishing, are fit for extensive popularization.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.

FIG. 1 is an isometric view of a hexagonal part grinding gauge provided by an embodiment;

FIG. 2 is an isometric view of the hexagonal part grinding od fixture of the present embodiment in another orientation;

FIG. 3 is a front view of the fixture for milling the outer diameter of a hexagonal part according to an embodiment;

FIG. 4 is a bottom view of the hexagonal part outside diameter grinding fixture provided by the embodiment;

in the above figures, 1, snap-gauge; 11. a first horizontal clamping part; 12. a transition section; 13. a second horizontal clamping part; 131. a clamp arm; 132. a special-shaped plate groove; 14. strengthening the ridge; 15. a first reinforcing sheet; 16. a second reinforcing sheet; 2. a connecting bolt; 3. an elastic hook; 31. a fixed part; 32. a clasping part; 33. and a spring hook part.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" used herein refer to the same directions as the drawings, and do not limit the structure.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

In an embodiment, as shown in fig. 1, 2, 3 and 4, the hexagonal part external diameter grinding fixture provided by the utility model comprises a clamping plate 1, wherein the clamping plate 1 has a zigzag longitudinal section and comprises a first horizontal clamping portion 11, a transition portion 12 and a second horizontal clamping portion 13 which are sequentially connected, a connecting hole is formed in the first horizontal clamping portion 11, a connecting bolt 2 penetrates through the connecting hole from top to bottom, a reinforcing ridge 14 is arranged in the transition portion 12 and in line contact with the first horizontal clamping portion 11, the second horizontal clamping portion 13 comprises two clamping arms 131, the two clamping arms 131 form a rectangular clamping hole, a special-shaped plate groove 132 is formed in the bottom of each clamping arm 131, an elastic clamping hook 3 movably matched with the special-shaped plate groove 132 is arranged in the special-shaped plate groove 132, the elastic clamping hook 3 comprises a fixing portion 31 connected with the special-shaped plate groove 132, a clasping portion 32 is arranged at one end of the fixing portion 31 facing the inner side of the rectangular clamping hole, and an elastic hook portion 33 is arranged at one end of the clasping portion 32 facing the transition portion 12, the elastic hook 33 is a free end and one end thereof extends toward the rectangular card hole. Wherein, first horizontal card portion 11, transition portion 12 and second horizontal card portion 13 can make this cardboard 1 and grinding device suit to effectively be connected, can effectively avoid all fixtures to interfere grinding tool's concrete action moreover. The clamping arms 131 directly perform surface-to-surface clamping on two opposite surfaces of the hexagonal part, and the elastic hook portion 33 can perform hooking and pressing on the side surface of the hexagonal part in an elastic hooking manner. One side of the shaped plate groove 132 facing the rectangular clamping hole is an open side, and the shaped plate groove 132 comprises a first notch matched with the fixed part 31 in shape, a second notch matched with the protection part in shape and a third notch matched with the elastic hook part 33 in shape and movable, and the first notch, the second notch and the third notch are in smooth transition connection.

In the device, the connecting bolt 2 penetrates through the first horizontal clamping part 11 to fix the device on grinding equipment, and the clamping arm 131 and the elastic clamping hook 3 can clamp two surfaces of a hexagonal part from the side surface of the hexagonal part to prevent the hexagonal part from deflecting, so that the grinding quality of the hexagonal part by the grinding equipment is improved; the reinforcing ridge 14 on the clamping plate 1 can improve the structural strength of the clamping plate 1, and is favorable for improving the clamping stability of the hexagonal part and prolonging the effective service life of the clamping plate 1. The fixture has the advantages of reasonable design, simple structure, higher polishing efficiency, stronger practicability and higher utilization rate, and is favorable for improving the safety of polishing operation.

In order to improve the utilization rate of the clamping plate 1, one end of the first horizontal clamping part 11, which is far away from the transition part 12, is an arc surface, the top of the arc surface is provided with an arc-shaped first reinforcing sheet 15, and two ends of the inner side of the clamping plate 1 are provided with second reinforcing sheets 16 connected with the transition part 12 and the second horizontal clamping part 13. Through setting up first enhancement piece 15 and second enhancement piece 16 can effectively improve the holistic resistance to deformation ability of cardboard 1, both prolong the actual life of this device, improve its joint stability to the hexagonal part again.

In order to improve the practicability of the elastic hook 3, the cross section of the clasping portion 32 in the utility model is arc-shaped, the curvature center of the clasping portion faces to the center of the rectangular clamping hole, and the connecting end of the fixing portion 31 and the clasping portion 32 protrudes out of one side of the rectangular clamping hole. The fixing part 31 and the clasping part 32 can generate back pressure when the device is inserted into the side surface of a hexagonal part; when the hexagonal part is completely clamped in the rectangular clamping hole, the fixing part 31, the protruding part of the embracing part 32 and the elastic hook part 33 can clamp the hexagonal part in a bidirectional limiting mode, and therefore the positioning capacity of the device for the hexagonal part is improved.

Furthermore, the elastic hook 3 provided by the utility model extends obliquely towards the transition part 12. This device utilizes the slope design of elasticity pothook 3 can make elasticity pothook 3 carry out the joint to the hexagonal part when, carry out elastic contact with the local position of the lathe of polishing, and then guarantees this device to the joint stability of hexagonal part.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims

1. The fixture for grinding the outer diameter of the hexagonal part is characterized by comprising a clamping plate, wherein the longitudinal section of the clamping plate is Z-shaped and comprises a first horizontal clamping part, a transition part and a second horizontal clamping part which are sequentially connected, the first horizontal clamping part is provided with a connecting hole, a connecting bolt penetrates through the connecting hole from top to bottom, the transition part is provided with a reinforced ridge bulge in line contact with the first horizontal clamping part, the second horizontal clamping part comprises two clamping arms which form a rectangular clamping hole, the bottom of the clamping arm is provided with a special-shaped plate groove, an elastic clamping hook movably matched with the special-shaped plate groove is arranged in the special-shaped plate groove, the elastic hook comprises a fixed part connected with the special-shaped plate groove, one end of the fixed part facing the inner side of the rectangular clamping hole is provided with an embracing part, one end of the clasping portion facing the transition portion is provided with a spring hook portion which is a free end, and one end of the spring hook portion extends towards the direction of the rectangular clamping hole.

2. The fixture for grinding the outer diameter of a hexagonal part according to claim 1, wherein one end of the first horizontal clamping portion, which is far away from the transition portion, is an arc surface, an arc-shaped first reinforcing piece is arranged at the top of the arc surface, and second reinforcing pieces, which are connected with the transition portion and the second horizontal clamping portion, are arranged at two ends of the inner side of the clamping plate.

3. The fixture for grinding the outer diameter of the hexagonal part as claimed in claim 2, wherein the cross section of the clasping portion is arc-shaped, the curvature center of the clasping portion faces the center of the rectangular clamping hole, and the connecting end of the fixing portion and the clasping portion protrudes out of one side of the rectangular clamping hole.

4. A hexagonal part milling fixture according to claim 3, characterized in that the resilient hook extends obliquely towards the transition.