CN219337293U

CN219337293U - Workpiece rotating structure of polishing machine

Info

Publication number: CN219337293U
Application number: CN202320425401.6U
Authority: CN
Inventors: 李易勳
Original assignee: Suzhou Yihong Automation Technology Co ltd
Current assignee: Suzhou Yihong Automation Technology Co ltd
Priority date: 2023-03-08
Filing date: 2023-03-08
Publication date: 2023-07-14
Anticipated expiration: 2033-03-08

Abstract

The utility model relates to the technical field of polishing machines, in particular to a workpiece rotating structure of a polishing machine, which comprises a workbench, wherein a bearing table is rotationally arranged on the workbench, the bearing table is connected with driving equipment arranged at the bottom of the workbench, and the driving equipment is used for driving the bearing table to rotate so as to adjust angles; a first screw rod is rotationally arranged on one side of the workbench, the end part of the first screw rod is fixedly connected with the output end of the first motor, a nut is sleeved on the first screw rod in a spiral manner, the nut is fixedly connected with an L-shaped support plate, a first air cylinder is arranged on one side of the L-shaped support plate, the driving end of the first air cylinder is fixedly connected with the second motor, and the output end of the second motor is fixedly connected with a polishing sheet; the polishing device further comprises a positioning mechanism, wherein the positioning mechanism is used for positioning and fixing the workpiece on the bearing table, after one side surface of the workpiece is polished, the bearing table is driven to rotate again through the driving device, further polishing treatment on the other side surface of the workpiece is achieved, the workpiece is not required to be disassembled and assembled, and the efficiency is higher.

Description

Workpiece rotating structure of polishing machine

Technical Field

The utility model relates to the technical field of polishing machines, in particular to a workpiece rotating structure of a polishing machine.

Background

Polishing refers to a processing method for reducing the surface roughness of a workpiece by utilizing the action of machinery, chemistry or electrochemistry so as to obtain a bright and flat surface, and is a modification processing on the surface of the workpiece by utilizing a polishing tool and abrasive particles or other polishing media. At present, a polishing machine is used for polishing a workpiece, and a motor drives a polishing disc to rotate at a high speed, so that the aim of polishing the workpiece is fulfilled.

In the prior art, for example, patent document with publication number CN217966500U discloses a workpiece rotating structure of a polishing machine, and simultaneously discloses that two sides of the upper surface of a base are respectively provided with an upright post and an air cylinder, the middle part of the upper surface of the base is rotatably provided with a rotating table, the upper surface of the rotating table is provided with a clamp, and the bottom end of a pipe fitting is arranged on the upper surface of the rotating table and is fastened by the clamp; the pushing end of the cylinder faces upwards and is provided with a cantilever, the other end of the cantilever extends to the upper side of the rotary table and is provided with a motor I, an output shaft of the motor I extends downwards and is provided with a rotary table, the lower surface of the rotary table is provided with a polishing sheet and a polishing roller, the polishing sheet is pressed on the upper surface of the pipe fitting, and the polishing roller is arranged on the inner ring of the polishing sheet; however, in the practical application process, the periphery of the side surface of the workpiece in a rectangular shape needs to be polished, so that the angle of the workpiece needs to be continuously adjusted during polishing, and the disassembly and assembly process is very complicated.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a workpiece rotating structure of a polishing machine.

The utility model provides a workpiece rotating structure of a polishing machine, which comprises a workbench, wherein a bearing table is rotationally arranged on the workbench, the bearing table is connected with driving equipment arranged at the bottom of the workbench, and the driving equipment is used for driving the bearing table to rotate so as to perform angle adjustment;

a first screw rod is rotationally arranged on one side of the workbench, the end part of the first screw rod is fixedly connected with the output end of the first motor, a nut is sleeved on the first screw rod in a spiral manner, the nut is fixedly connected with an L-shaped support plate, a first air cylinder is arranged on one side of the L-shaped support plate, the driving end of the first air cylinder is fixedly connected with the second motor, and the output end of the second motor is fixedly connected with a polishing sheet;

the positioning mechanism is used for positioning and fixing the workpiece on the bearing table.

Preferably, the bearing table is provided with a plurality of groups of positioning holes in a circumferential array, the positioning holes are embedded with suckers, and the suckers are connected with a negative pressure pump arranged at the bottom of the bearing table through pipelines.

Preferably, the positioning mechanism comprises a bracket arranged on the workbench, a second cylinder is arranged at the tail end of the bracket, and the driving end of the second cylinder is fixedly connected with the positioning plate.

Preferably, two groups of supports are arranged on the workbench relatively, second screws are arranged between the supports in a spiral mode, and the second screws are connected with limiting plates in a rotating mode towards the direction of the bearing table.

Preferably, guide rods which are in sliding connection with the support are oppositely arranged on two sides of the second screw rod, and the tail ends of the guide rods are fixedly connected with the limiting plates.

Preferably, the limiting plate is further stuck with a soft cushion towards the direction of the bearing table.

Compared with the related art, the workpiece rotating structure of the polishing machine has the following beneficial effects:

according to the utility model, the workpiece is placed on the bearing table, and then the workpiece is positioned and fixed through the positioning mechanism, so that the stability of the workpiece on the bearing table is higher; secondly, a first cylinder is started to drive a second motor to move towards the direction of the bearing table, so that the polishing sheet is in direct contact with the side end face of the workpiece, then the second motor is started to drive the polishing sheet to rotate, polishing treatment on the side face of the workpiece is achieved, in the process, the first motor is started to drive a first screw to rotate, a nut drives an L-shaped support plate to move in the process of moving on the first screw, further, position adjustment on the polishing sheet is achieved, when the side face of the workpiece has a certain length, sufficient polishing treatment can be achieved, after polishing of the side face of the workpiece is completed, the bearing table is driven to rotate again through a driving device, polishing treatment on the other side face of the workpiece is achieved, disassembly and assembly of the workpiece are not needed, and efficiency is higher.

Drawings

FIG. 1 is a schematic view of a workpiece rotating structure of a polishing machine according to a preferred embodiment of the present utility model;

FIG. 2 is a schematic view of a workpiece turning structure of the polishing machine shown in FIG. 1;

fig. 3 is a schematic diagram of a workpiece rotating structure of the polishing machine shown in fig. 1.

Reference numerals in the drawings: 1. a work table; 2. a positioning plate; 3. a carrying platform; 4. a support; 5. a first motor; 101. a bracket; 201. a second cylinder; 301. a suction cup; 302. a negative pressure pump; 401. a limiting plate; 402. a second screw; 403. a guide rod; 404. a soft cushion; 501. a first screw; 502. an L-shaped support plate; 503. a first cylinder; 504. a second motor; 505. polishing piece; 506. and (3) a nut.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Specific implementations of the utility model are described in detail below in connection with specific embodiments.

Referring to fig. 1 to 2, in the workpiece rotating structure of a polishing machine provided by the embodiment of the utility model, the workpiece rotating structure of a polishing machine includes a workbench 1, a carrying table 3 is rotatably arranged on the workbench 1, the carrying table 3 is connected with a driving device arranged at the bottom of the workbench 1, and the driving device is used for driving the carrying table 3 to rotate for performing angle adjustment;

a first screw rod 501 is rotationally arranged on one side of the workbench 1, the end part of the first screw rod 501 is fixedly connected with the output end of the first motor 5, a nut 506 is sleeved on the first screw rod 501 in a spiral manner, the nut 506 is fixedly connected with an L-shaped support plate 502, a first air cylinder 503 is arranged on one side of the L-shaped support plate 502, the driving end of the first air cylinder 503 is fixedly connected with a second motor 504, and the output end of the second motor 504 is fixedly connected with a polishing sheet 505;

the positioning mechanism is used for positioning and fixing the workpiece on the bearing table 3;

it can be noted that when polishing the workpiece, the workpiece is firstly placed on the carrying table 3, and then the workpiece is positioned and fixed by the positioning mechanism, so that the stability of the workpiece on the carrying table 3 is higher; secondly, a first air cylinder 503 is started to drive a second motor 504 to move towards the direction of the bearing table 3, so that a polishing sheet 505 is in direct contact with the side end surface of a workpiece, then the second motor 504 is started to drive the polishing sheet 505 to rotate, polishing treatment on the side surface of the workpiece is achieved, in the process, the first motor 5 is started to drive a first screw 501 to rotate, a nut 506 drives an L-shaped support plate 502 to move in the process of moving on the first screw 501, further, position adjustment of the polishing sheet 505 is achieved, when the side surface of the workpiece has a certain length, sufficient polishing treatment can be achieved, after polishing of the side surface of the workpiece is completed, the bearing table 3 is driven to rotate again through a driving device, polishing treatment on the other side surface of the workpiece is achieved, disassembly and assembly of the workpiece are not needed, and efficiency is higher;

as a further scheme of the embodiment, a plurality of groups of positioning holes are formed in the bearing table 3 in a circumferential array, suction cups 301 are embedded in the positioning holes, and the suction cups 301 are connected with a negative pressure pump 302 arranged at the bottom of the bearing table 3 through pipelines; it may be noted that, after the workpiece is placed on the carrying platform 3, each group of suckers 301 is in direct contact with the bottom surface of the workpiece, the negative pressure pump 302 is started, the negative pressure pump 302 generates negative pressure at the sucker 301 through a pipeline, so as to realize the adsorption fixation of the workpiece, and further avoid the phenomenon of deviation in the process of adjusting the angle of the workpiece;

referring to fig. 3, further, the positioning mechanism includes a bracket 101 disposed on the workbench 1, a second cylinder 201 is disposed at the end of the bracket 101, and a driving end of the second cylinder 201 is fixedly connected with the positioning plate 2; after the workpiece is placed on the carrying table 3, the second cylinder 201 is started, and the second cylinder 201 drives the positioning plate 2 to move towards the direction of the carrying table 3 so as to press and fix the workpiece on the carrying table 3;

in addition, two groups of supports 4 are oppositely arranged on the workbench 1, second screws 402 are spirally arranged between the supports 4, and the second screws 402 are rotationally connected with limiting plates 401 towards the direction of the bearing table 3; after the workpiece is initially positioned on the bearing table 3, before polishing, in order to further improve stability, the second screw 402 is rotated, and the second screw 402 drives the limiting plate 401 to move towards the bearing table 3, so that the two ends of the workpiece are limited and fixed again, and the stability is higher;

guide rods 403 which are in sliding connection with the support 4 are oppositely arranged on two sides of the second screw 402, and the tail ends of the guide rods 403 are fixedly connected with the limiting plates 401; furthermore, a soft pad 404 is adhered to the limiting plate 401 towards the direction of the carrying table 3, so as to protect the workpiece from being damaged by external pressure;

the working principle of the workpiece rotating structure of the polishing machine provided by the utility model is as follows: when polishing a workpiece, firstly placing the workpiece on a bearing table 3, after placing the workpiece on the bearing table 3, enabling each group of suckers 301 to be in direct contact with the bottom surface of the workpiece, starting a negative pressure pump 302, enabling the negative pressure pump 302 to generate negative pressure at the suckers 301 through a pipeline, realizing the adsorption fixation of the workpiece, starting a second air cylinder 201, and enabling the second air cylinder 201 to drive a positioning plate 2 to move towards the direction of the bearing table 3 so as to tightly press and fix the workpiece on the bearing table 3; secondly, a first air cylinder 503 is started to drive a second motor 504 to move towards the direction of the bearing table 3, so that a polishing sheet 505 is in direct contact with the side end surface of a workpiece, then the second motor 504 is started to drive the polishing sheet 505 to rotate, polishing treatment on the side surface of the workpiece is achieved, in the process, the first motor 5 is started to drive a first screw 501 to rotate, a nut 506 drives an L-shaped support plate 502 to move in the process of moving on the first screw 501, further position adjustment on the polishing sheet 505 is achieved, when the side surface of the workpiece has a certain length, sufficient polishing treatment can be achieved, after polishing of the side surface of the workpiece is completed, the bearing table 3 is driven to rotate again through a driving device, and polishing treatment on the other side surface of the workpiece is achieved.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.

Claims

1. The workpiece rotating structure of the polishing machine comprises a workbench (1), and is characterized in that a bearing table (3) is rotationally arranged on the workbench (1), the bearing table (3) is connected with driving equipment arranged at the bottom of the workbench (1), and the driving equipment is used for driving the bearing table (3) to rotate so as to perform angle adjustment;

a first screw rod (501) is rotationally arranged on one side of the workbench (1), the end part of the first screw rod (501) is fixedly connected with the output end of the first motor (5), a nut (506) is sleeved on the first screw rod (501) in a spiral manner, the nut (506) is fixedly connected with an L-shaped support plate (502), a first air cylinder (503) is arranged on one side of the L-shaped support plate (502), the driving end of the first air cylinder (503) is fixedly connected with a second motor (504), and the output end of the second motor (504) is fixedly connected with a polishing sheet (505);

the device also comprises a positioning mechanism, wherein the positioning mechanism is used for positioning and fixing the workpiece on the bearing table (3).

2. The workpiece rotating structure of the polishing machine according to claim 1, wherein the bearing table (3) is provided with a plurality of groups of positioning holes in a circumferential array, suction cups (301) are embedded in the positioning holes, and the suction cups (301) are connected with negative pressure pumps (302) arranged at the bottom of the bearing table (3) through pipelines.

3. The workpiece rotating structure of the polishing machine according to claim 2, wherein the positioning mechanism comprises a bracket (101) arranged on the workbench (1), a second cylinder (201) is arranged at the tail end of the bracket (101), and the driving end of the second cylinder (201) is fixedly connected with the positioning plate (2).

4. The workpiece rotating structure of the polishing machine according to claim 2, wherein two groups of supports (4) are oppositely arranged on the workbench (1), a second screw (402) is spirally arranged between the supports (4), and the second screw (402) is rotationally connected with a limiting plate (401) towards the direction of the bearing table (3).

5. The workpiece rotating structure of the polishing machine according to claim 4, wherein guide rods (403) which are in sliding connection with the support (4) are oppositely arranged on two sides of the second screw (402), and the tail ends of the guide rods (403) are fixedly connected with the limiting plates (401).

6. The workpiece rotating structure of a polishing machine according to claim 5, wherein the limiting plate (401) is further stuck with a soft pad (404) toward the direction of the carrying table (3).