CN217143561U

CN217143561U - Clamping structure for polishing workpiece

Info

Publication number: CN217143561U
Application number: CN202220393037.5U
Authority: CN
Inventors: 范镜; 袁碧华; 张得意; 张彥志; 贺超; 林少涛
Original assignee: Shenzhen Sapphire Automation Equipment Co ltd
Current assignee: Shenzhen Sapphire Automation Equipment Co ltd
Priority date: 2022-01-21
Filing date: 2022-02-25
Publication date: 2022-08-09
Anticipated expiration: 2032-02-25

Abstract

The utility model relates to the technical field of polishing, in particular to a clamping structure for polishing workpieces, which comprises a main structure body, wherein the bottom end of the main structure body is provided with a driving shaft assembly; the cylinder drives the driven shaft to extend downwards and abuts against and clamps the glass panel placed on the first jig positioning plate through the second jig positioning plate, the servo motor drives the driving shaft to rotate and drives the fixed glass panel to rotate, the planetary reducer is used for increasing the torque of the servo motor driving shaft, the cylinder drives the driven shaft to rotate at the same speed while the servo motor drives the driving shaft to rotate, and therefore the driving shaft drives the driven shaft to slowly rotate from the bottom of the fixed glass panel and the driven shaft from the top of the fixed glass panel simultaneously, the glass panel is prevented from being inclined when being polished, and the polishing accuracy of the glass panel is improved with high efficiency; the utility model discloses can be applicable to products such as silicon chip, photovoltaic board or glass panels of different specifications size, the practicality is high.

Description

Clamping structure for polishing workpiece

Technical Field

The utility model relates to a polishing technical field specifically is a clamping structure for polishing work piece.

Background

Most of the existing products such as silicon wafers, solar photovoltaic panels, glass panels and the like (for example, square sheet products with large round corners) need to be polished peripherally.

However, when the existing peripheral polishing machine clamping structure clamps a silicon wafer or a glass panel to be polished, although the silicon wafer or the glass panel can be fixed by adopting a clamping mode of matching an upper end positioning shaft and a lower end driving shaft, the upper end positioning shaft is only driven by a servo motor at the lower end to drive the silicon wafer or the glass panel to rotate unilaterally, and the upper end positioning shaft is in a pure passive state, so that the upper and lower rotating forces of the clamped silicon wafer or the glass panel can be uneven in the process of slowly rotating to be polished, and the silicon wafer or the glass panel can be inclined seriously, thereby further influencing the polishing accuracy.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a polishing is clamping structure for work piece to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a clamping structure for polishing workpieces comprises a main structure body, wherein a driving shaft assembly is arranged at the bottom end of the main structure body, a driven shaft assembly is arranged at the top end of the main structure body, the driving shaft assembly comprises a servo motor, a planetary reducer, a double-diaphragm elastic coupling, a driving shaft and a first jig positioning plate, and the driven shaft assembly comprises an air cylinder, a driven shaft and a second jig positioning plate;

the servo motor is arranged at the bottom of the planetary speed reducer, the planetary speed reducer is arranged at the top of the servo motor, the double-diaphragm elastic coupling is arranged at the top of the planetary speed reducer, the driving shaft is arranged at the top of the double-diaphragm elastic coupling, and the first jig positioning plate is arranged at the top of the driving shaft;

the cylinder set up in the top of driven shaft, the second tool locating plate set up in the bottom of driven shaft.

Preferably, servo motor, planetary reducer, two diaphragm elastic coupling, driving shaft, first tool locating plate that the driving shaft assembly included and cylinder, driven shaft, second tool locating plate that the driven shaft assembly included use mutually supporting, constitute a fixture jointly.

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

in the utility model, the glass panel is placed on the first jig positioning plate, the cylinder transmission driven shaft extends downwards to press against the glass panel tightly clamped on the first jig positioning plate through the second jig positioning plate, the servo motor transmission driving shaft rotates and drives the fixed glass panel to rotate, the planetary reducer is used for increasing the torque of the servo motor transmission driving shaft, the double-diaphragm elastic coupling compensates the relative displacement capacity between the servo motor and the driving shaft, the cylinder transmits the driven shaft to rotate at the same speed while the servo motor transmission driving shaft rotates, so that the driving shaft drives the fixed glass panel to rotate slowly from the bottom of the fixed glass panel and the driven shaft from the top of the fixed glass panel, the structure can also be suitable for glass panel products with different specifications and sizes, thereby the upper power and the lower power are adopted to drive the fixed glass panel to rotate slowly and receive polishing simultaneously, the glass panel is more stable and uniform when being polished, and the glass panel is prevented from being inclined when being polished, so that the polishing precision of the glass panel is improved with high efficiency, and the production efficiency is improved.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the driving shaft assembly structure of the present invention;

fig. 3 is a schematic view of the driven shaft assembly structure of the present invention.

The mark in the figure is: 1. a structural body; 2. assembling a driving shaft; 201. a servo motor; 202. a planetary reducer; 203. a double-diaphragm elastic coupling; 204. a drive shaft; 205. a first jig positioning plate; 3. assembling a driven shaft; 301. a cylinder; 302. a driven shaft; 303. and a second jig positioning plate.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

In the first embodiment, please refer to fig. 1-3, the present invention provides the following technical solutions: a clamping structure for polishing workpieces comprises a structure main body 1, wherein a driving shaft assembly 2 is arranged at the bottom end of the structure main body 1, a driven shaft assembly 3 is arranged at the top end of the structure main body 1, the driving shaft assembly 2 comprises a servo motor 201, a planetary reducer 202, a double-diaphragm elastic coupling 203, a driving shaft 204 and a first jig positioning plate 205, and the driven shaft assembly 3 comprises an air cylinder 301, a driven shaft 302 and a second jig positioning plate 303;

the servo motor 201 is arranged at the bottom of the planetary reducer 202, the planetary reducer 202 is arranged at the top of the servo motor 201, the double-diaphragm elastic coupling 203 is arranged at the top of the planetary reducer 202, the driving shaft 204 is arranged at the top of the double-diaphragm elastic coupling 203, and the first jig positioning plate 205 is arranged at the top of the driving shaft 204;

the cylinder 301 is disposed on the top of the driven shaft 302, and the second fixture positioning plate 303 is disposed on the bottom of the driven shaft 302.

Preferably, the servo motor 201, the planetary reducer 202, the double-diaphragm elastic coupling 203, the driving shaft 204, the first jig positioning plate 205 and the cylinder 301, the driven shaft 302 and the second jig positioning plate 303 included in the driven shaft assembly 3 of the driving shaft assembly 2 are matched with each other for use to jointly form a clamping mechanism, when polishing is needed, a user can place a glass panel on the first jig positioning plate 205, the cylinder 301 drives the driven shaft 302 to extend downwards to abut against the glass panel placed on the first jig positioning plate 205 through the second jig positioning plate 303, the servo motor 201 drives the driving shaft 204 to rotate and drives the fixed glass panel to rotate, the planetary reducer 202 is used for increasing the torque of the servo motor 201 for driving the driving shaft 204, the double-diaphragm elastic coupling 203 compensates the relative displacement capacity between the servo motor 201 and the driving shaft 204, when the servo motor 201 drives the driving shaft 204 to rotate, the cylinder 301 rotates with same speed transmission driven shaft 302 to the driving shaft 204 drives slowly rotatory simultaneously from the bottom of fixed glass panels and the top of driven shaft 302 from fixed glass panels, makes to adopt power about adopting simultaneously and drives the slow rotation of fixed glass panels and accept the polishing through adding such setting, and then glass panels is more stable even when accepting the polishing, has avoided glass panels to accept to produce the slope when polishing, thereby promotes glass panels polishing precision, improvement production efficiency with big efficiency.

The working principle is as follows: when polishing is needed, a user can place a glass panel on the first jig positioning plate 205, the air cylinder 301 drives the driven shaft 302 to extend downwards to abut against the glass panel placed on the first jig positioning plate 205 through the second jig positioning plate 303, the servo motor 201 drives the driving shaft 204 to rotate and drives the fixed glass panel to rotate, the planetary reducer 202 is used for increasing the torque of the servo motor 201 driving shaft 204, the double-diaphragm elastic coupling 203 compensates the relative displacement capacity between the servo motor 201 and the driving shaft 204, while the servo motor 201 drives the driving shaft 204 to rotate, the air cylinder 301 drives the driven shaft 302 to rotate at the same speed, so that the driving shaft 204 is driven to rotate slowly from the bottom of the fixed glass panel and the driven shaft 302 is driven to rotate slowly from the top of the fixed glass panel, and the up-down power is adopted to drive the fixed glass panel to rotate slowly to receive polishing at the same time by adding the arrangement, the glass panel is more stable and uniform when being polished, and the glass panel is prevented from being inclined when being polished, so that the polishing precision of the glass panel is improved with high efficiency, and the production efficiency is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a polishing is clamping structure for work piece, its characterized in that, includes main structure body (1), the bottom of main structure body (1) is provided with driving shaft assembly (2), the top of main structure body (1) is provided with driven shaft assembly (3), driving shaft assembly (2) are including servo motor (201), planetary reducer (202), two diaphragm elastic coupling (203), driving shaft (204) and first tool locating plate (205), driven shaft assembly (3) are including cylinder (301), driven shaft (302) and second tool locating plate (303).

2. The clamping structure for polishing the workpiece according to claim 1, wherein the servo motor (201) is disposed at the bottom of the planetary reducer (202), the planetary reducer (202) is disposed at the top of the servo motor (201), the double-diaphragm elastic coupling (203) is disposed at the top of the planetary reducer (202), the driving shaft (204) is disposed at the top of the double-diaphragm elastic coupling (203), and the first jig positioning plate (205) is disposed at the top of the driving shaft (204).

3. A holding structure for polishing work pieces according to claim 1, wherein said air cylinder (301) is provided at the top of said driven shaft (302), and said second jig positioning plate (303) is provided at the bottom of said driven shaft (302).

4. The clamping structure for polishing the workpiece according to claim 1, wherein the servo motor (201), the planetary reducer (202), the double-diaphragm elastic coupling (203), the driving shaft (204), the first jig positioning plate (205) included in the driving shaft assembly (2) and the cylinder (301), the driven shaft (302) and the second jig positioning plate (303) included in the driven shaft assembly (3) are used in cooperation with each other to form a clamping mechanism.