CN214238294U

CN214238294U - Clamping jaw driving structure

Info

Publication number: CN214238294U
Application number: CN202022839094.5U
Authority: CN
Inventors: 王慧; 蔡奇陵
Original assignee: CYG Semiconductor Equipment Zhuhai Co Ltd
Current assignee: CYG Semiconductor Equipment Zhuhai Co Ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-09-21
Anticipated expiration: 2030-11-30

Abstract

The utility model discloses a clamping jaw drive structure, including bottom plate and fixed mounting in the driving piece of bottom plate, clamping jaw drive structure still includes eccentric structure, lower clamping jaw subassembly and last clamping jaw subassembly, eccentric structure fixed mounting is in the output shaft of driving piece, lower clamping jaw subassembly and last clamping jaw subassembly are contradicted and elastic connection with eccentric structure respectively, lower clamping jaw subassembly slidable mounting is in the bottom plate, lower clamping jaw subassembly and last clamping jaw subassembly slidable connection, the driving piece drives eccentric structure and rotates, eccentric structure makes lower clamping jaw subassembly and last clamping jaw subassembly remove in vertical direction and realizes that the clamping jaw opens and shuts and press from both sides tightly, through the aforesaid design, clamping jaw drive structure size is little, moreover, the steam generator is simple in structure, light in weight, the wiring is few, and is low in cost.

Description

Clamping jaw driving structure

Technical Field

The utility model relates to a fixture, especially, relate to a clamping jaw drive structure.

Background

When the material is the support plate in the project, generally use the clamping jaw that opens and shuts to press from both sides and get the support plate, drag on the track, let the support plate arrive different stations on the track. The clamping jaws are usually opened and closed by rotating a stepping motor or a linear motor to clamp or release the workpiece. But the stepping motor has larger size, heavier structure, more wiring and high cost; the same problem exists with linear motors.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a clamping jaw driving structure with small size, simple structure, light weight, less wiring and low cost.

The purpose of the utility model is realized by adopting the following technical scheme:

the utility model provides a clamping jaw drive structure, include bottom plate and fixed mounting in the driving piece of bottom plate, clamping jaw drive structure still includes eccentric structure, lower clamping jaw subassembly and last clamping jaw subassembly, eccentric structure fixed mounting in the output shaft of driving piece, lower clamping jaw subassembly and go up the clamping jaw subassembly respectively with eccentric structure is contradicted and elastic connection, lower clamping jaw subassembly slidable mounting in the bottom plate, lower clamping jaw subassembly with go up clamping jaw subassembly sliding connection, the driving piece drives eccentric structure rotates, eccentric structure makes lower clamping jaw subassembly and it realizes that the clamping jaw opens and shuts and press from both sides tightly to go up the clamping jaw subassembly and remove in vertical direction.

Further, eccentric structure includes first cam and second cam, first cam with second cam fixed connection, lower jaw assembly with last jaw assembly respectively with first cam and second cam conflict.

Furthermore, the eccentric structure is two eccentric wheels fixedly connected, and the lower clamping jaw assembly and the upper clamping jaw assembly are respectively abutted against the two eccentric wheels.

Further, lower clamping jaw subassembly includes lower main part, lower gyro wheel and lower plate, the lower plate is fixed in lower main part, the gyro wheel rotate down install in lower main part, the lower gyro wheel with eccentric structure contradicts and makes lower clamping jaw subassembly with eccentric structure rolling contact.

Further, go up the clamping jaw subassembly and include main part, last gyro wheel and punch holder, the punch holder is fixed in go up the main part, go up the gyro wheel rotate install in go up the main part, go up the gyro wheel with eccentric structure contradicts and makes go up the clamping jaw subassembly with eccentric structure rolling contact.

Furthermore, the clamping jaw driving structure further comprises a first elastic piece, one end of the first elastic piece is fixed with the upper clamping jaw assembly, and the other end of the first elastic piece is fixed with the bottom plate, so that the upper clamping jaw assembly is elastically connected with the eccentric structure.

Further, the first elastic member is a spring.

Further, the clamping jaw driving structure further comprises a second elastic piece, the second elastic piece is fixed on the bottom plate, and the end part of the second elastic piece is abutted to the lower clamping jaw assembly to enable the lower clamping jaw assembly to be elastically connected with the eccentric structure.

Further, the second elastic piece is a spring piece.

Further, the clamping jaw driving structure further comprises a crossed roller bearing, and the crossed roller bearing is installed between the lower clamping jaw assembly and the upper clamping jaw assembly to enable the lower clamping jaw assembly to be connected with the upper clamping jaw assembly in a sliding mode.

Compared with the prior art, the utility model discloses the eccentric structure fixed mounting of clamping jaw drive structure is in the output shaft of driving piece, lower clamping jaw subassembly and last clamping jaw subassembly are contradicted and elastic connection with eccentric structure respectively, lower clamping jaw subassembly slidable mounting is in the bottom plate, lower clamping jaw subassembly and last clamping jaw subassembly sliding connection, the driving piece drives eccentric structure and rotates, eccentric structure makes lower clamping jaw subassembly and last clamping jaw subassembly remove in vertical direction and realizes that the clamping jaw opens and shuts and press from both sides tightly, through the aforesaid design, clamping jaw drive structure size is little, moreover, the steam generator is simple in structure, light in weight, the wiring is few, and is with low costs.

Drawings

Fig. 1 is a perspective view of the jaw driving structure of the present invention;

FIG. 2 is a partial structural perspective view of the jaw actuation arrangement of FIG. 1;

figure 3 is a partial exploded view of the jaw actuation arrangement of figure 2.

In the figure: 10. a base plate; 20. a drive member; 30. an eccentric structure; 31. a first cam; 32. a second cam; 40. a lower jaw assembly; 41. a lower body; 42. a lower roller; 43. a lower splint; 50. an upper jaw assembly; 51. an upper body; 52. an upper roller; 53. an upper splint; 60. a crossed roller bearing; 70. a first elastic member; 80. a second elastic member; 90. and (7) mounting the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present, secured by intervening elements. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly disposed on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, 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 invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, the jaw driving structure of the present invention includes a base plate 10, a driving member 20, an eccentric structure 30, a lower jaw assembly 40, an upper jaw assembly 50, a cross roller bearing 60, a first elastic member 70, a second elastic member 80, and a mounting plate 90.

The drive member 20 is a rotary cylinder.

The eccentric structure 30 is a cam assembly or an eccentric wheel assembly. When the eccentric structure 30 is a cam combination, the eccentric structure 30 includes a first cam 31 and a second cam 32. The first cam 31 and the second cam 32 are fixedly connected. When the eccentric structure 30 is an eccentric wheel assembly, the eccentric structure 30 includes two eccentric wheels, and the two eccentric wheels are fixedly connected.

The lower jaw assembly 40 includes a lower body 41, a lower roller 42, and a lower jaw 43. The lower roller 42 is rotatably mounted to the lower body 41. The lower clip 43 is fixedly attached to the lower body 41.

The upper jaw assembly 50 includes an upper body 51, an upper roller 52, and an upper clamp plate 53. The upper roller 52 is rotatably mounted to the upper body 51. The upper plate 53 is fixed to the upper body 51.

The first elastic member 70 is a spring. The second elastic member 80 is a spring.

When the jaw driving structure is assembled, the driving member 20 is fixed to the base plate 10. The eccentric configuration 30 is fixed to the output shaft of the driver 20. The mounting plate 90 is fixed to the side of the base plate 10. The lower jaw assembly 40 is slidably mounted to the base plate 10. The lower roller 42 of the lower jaw assembly 40 is located on the second cam 32. The second elastic member 80 is fixed to the base plate 10, and an end of the second elastic member 80 abuts against the lower body 41, so that the lower roller 42 of the lower jaw assembly 40 is kept in close contact with (i.e., elastically connected to) the second cam 32. A cross roller bearing 60 is mounted to the lower body 41 of the lower jaw assembly 40 and the upper body 51 of the upper jaw assembly 50 is slidably connected to the lower body 41 of the lower jaw assembly 40 by the cross roller bearing 60. The upper roller 52 of the upper jaw assembly 50 is located on the first cam 31. The first elastic member 70 is fixedly connected to the upper body 51 and the mounting plate 90 at two ends thereof, so that the upper roller 52 of the upper jaw assembly 50 is in close contact with (i.e., elastically connected to) the first cam 31.

When the jaw drive mechanism is used, the driving member 20 rotates 180 °, and the first cam 31 and the second cam 32 are rotated. The first cam 31 rotates to drive the upper clamp plate 53 to move upwards while rotating the upper roller 52 of the upper jaw assembly 50, and the second cam 32 rotates to drive the lower clamp plate 43 to move downwards while rotating the lower roller 42 of the lower jaw assembly 40, so that the jaws are opened. Reverse rotation of the drive member 20 closes the jaws.

Through the design, the clamping jaw driving structure is small in size, simple in structure, light in weight, few in wiring and low in cost.

Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.

Claims

1. The utility model provides a clamping jaw drive structure, includes bottom plate and fixed mounting in the driving piece of bottom plate, its characterized in that: the clamping jaw drive structure still includes eccentric structure, lower clamping jaw subassembly and goes up the clamping jaw subassembly, eccentric structure fixed mounting in the output shaft of driving piece, lower clamping jaw subassembly and go up the clamping jaw subassembly respectively with eccentric structure is contradicted and elastic connection, lower clamping jaw subassembly slidable mounting in the bottom plate, lower clamping jaw subassembly with go up clamping jaw subassembly sliding connection, the driving piece drives eccentric structure rotates, eccentric structure makes lower clamping jaw subassembly and it realizes that the clamping jaw opens and shuts and press from both sides tightly to go up the clamping jaw subassembly and remove in vertical direction.

2. A jaw drive arrangement according to claim 1, wherein: the eccentric structure comprises a first cam and a second cam, the first cam is fixedly connected with the second cam, and the lower clamping jaw assembly and the upper clamping jaw assembly are respectively abutted against the first cam and the second cam.

3. A jaw drive arrangement according to claim 1, wherein: the eccentric structure is two eccentric wheels fixedly connected, and the lower clamping jaw assembly and the upper clamping jaw assembly are respectively abutted against the two eccentric wheels.

4. A jaw drive arrangement according to claim 1, wherein: lower clamping jaw subassembly includes lower main part, bottom roller and lower plate, the lower plate is fixed in lower main part, the bottom roller rotate install in lower main part, the bottom roller with eccentric structure contradicts and makes lower clamping jaw subassembly with eccentric structure rolling contact.

5. A jaw drive arrangement according to claim 1, wherein: go up the clamping jaw subassembly and include main part, last gyro wheel and punch holder, the punch holder is fixed in go up the main part, go up the gyro wheel rotate install in go up the main part, go up the gyro wheel with eccentric structure contradicts makes go up the clamping jaw subassembly with eccentric structure rolling contact.

6. A jaw drive arrangement according to claim 1, wherein: the clamping jaw driving structure further comprises a first elastic piece, one end of the first elastic piece is fixed with the upper clamping jaw assembly, and the other end of the first elastic piece is fixed with the bottom plate, so that the upper clamping jaw assembly is elastically connected with the eccentric structure.

7. A jaw drive arrangement according to claim 6, wherein: the first elastic piece is a spring.

8. A jaw drive arrangement according to claim 1, wherein: the clamping jaw driving structure further comprises a second elastic piece, the second elastic piece is fixed on the bottom plate, and the end portion of the second elastic piece is abutted to the lower clamping jaw assembly to enable the lower clamping jaw assembly to be elastically connected with the eccentric structure.

9. A jaw drive arrangement according to claim 8, wherein: the second elastic piece is a spring piece.

10. A jaw drive arrangement according to claim 1, wherein: the clamping jaw driving structure further comprises a crossed roller bearing, and the crossed roller bearing is installed between the lower clamping jaw assembly and the upper clamping jaw assembly to enable the lower clamping jaw assembly to be connected with the upper clamping jaw assembly in a sliding mode.