CN215432975U

CN215432975U - Self-adaptive grinding device

Info

Publication number: CN215432975U
Application number: CN202120875148.5U
Authority: CN
Inventors: 黄约
Original assignee: Shanghai Yuli Industry Group Co ltd
Current assignee: Shanghai Yuli Industry Group Co ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2022-01-07
Anticipated expiration: 2031-04-26

Abstract

The utility model discloses a self-adaptive grinding device which comprises a grinding machine, wherein a grinding disc driven by the grinding machine to rotate is arranged on the grinding machine, the self-adaptive grinding device also comprises a cylinder body, the cylinder body is sleeved outside the grinding machine, and a universal bearing is arranged between the cylinder body and the grinding machine so that the grinding machine and the grinding disc on the grinding machine can have deflection at a certain angle relative to the cylinder body. According to the utility model, the cylinder body is sleeved outside the grinding machine, and the universal bearing is arranged between the cylinder body and the grinding machine, so that the grinding machine and the grinding disc on the grinding machine can have a certain angle of deflection relative to the cylinder body, and therefore when the preset grinding surface is deviated from the actual grinding surface, a workpiece can be adaptively matched, so that the bottom surface of the grinding disc can be better contacted with the surface to be ground of the workpiece to be ground so as to be attached to the surface to be ground as much as possible, and good and efficient grinding is realized.

Description

Self-adaptive grinding device

Technical Field

The utility model relates to the technical field of machining tools, in particular to a self-adaptive grinding device.

Background

The work material often needs to be ground to obtain a certain smoothness. The polishing can be generally performed manually through manual polishing, the polishing mode is flexible to operate and high in automatic adjustment capacity, workers can perform corresponding adjustment according to actual conditions of workpieces, the labor intensity is high, the efficiency is low, and the polished dust harms human bodies to a certain extent, so that manual polishing is gradually replaced by automatic polishing of machines. The machine is automatic to polish efficiently, and degree of automation is high, has been used widely, however, automatic grinding device mainly relies on preset procedure execution processing of polishing, and the processing work piece may have certain difference, makes predetermined polishing procedure when meeting the work piece that has the deviation, can't make corresponding adjustment by oneself, still relies on preset polishing procedure to polish and be difficult to realize ideal and polish. For example, the mode of driving the polishing disc to polish by the polisher is that the bottom surface of the polishing disc is a plane, which is mainly suitable for planar polishing, however, in practice, the surface to be polished of a part of the workpiece may be a preset plane due to processing deviation, fixing deviation and other reasons, or may be an inclined plane with a certain angle or an arc surface with a certain radian, and the like, that is, the preset polishing surface is deviated from the actual polishing surface.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model provides a self-adaptive polishing device to solve the problem that in the existing automatic polishing, the polishing effect is poor due to the fact that the preset polishing surface is deviated from the actual polishing surface, and the polishing disc is not in ideal contact with the polishing surface.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a self-adaptation grinding device, including the polisher, be equipped with on the polisher by polisher drive pivoted polishing dish, still including the barrel, the barrel cover is established outside the polisher, be equipped with universal bearing between barrel and the polisher so that polisher and the last polishing dish of polisher for the barrel can have the beat of certain angle.

Further, the universal bearing is sleeved at the front end of the main body part of the grinding machine.

Furthermore, an elastic piece used for enabling the grinding machine to reset after deflection is arranged between the cylinder and the grinding machine.

Further, the barrel is the open structural style in both ends, the elastic component is annular elastic sheet, the elastic component is located the both ends of barrel are uncovered, annular elastic sheet form the inner circle of elastic component with the polisher is connected, the outer lane with the barrel is connected.

Further, the maximum angle of the grinding machine deflection in one direction is 3-10 degrees.

Further, the sander is in a pneumatic or electric form.

Further, when the sander is in a pneumatic form, the air inlet of the sander is disposed at the top of the sander.

Further, the top of barrel is equipped with the link.

Further, the rear part of the main body part of the grinding machine is conical, and when the grinding machine swings to the limit position, the conical surface of the rear part of the main body part of the grinding machine is in contact with the inner side wall of the cylinder.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the cylinder body is sleeved outside the grinding machine, and the universal bearing is arranged between the cylinder body and the grinding machine, so that the grinding machine and the grinding disc on the grinding machine can have a certain angle of deflection relative to the cylinder body, and therefore when the preset grinding surface is deviated from the actual grinding surface, a workpiece can be adaptively matched, so that the bottom surface of the grinding disc can be better contacted with the surface to be ground of the workpiece to be ground so as to be attached to the surface to be ground as much as possible, and good and efficient grinding is realized.

Meanwhile, the design that the universal bearing sleeve is arranged at the front end of the main body part of the grinding machine enables the distance between the deflection central point and the grinding disc to be short, so that the grinding disc is easy to deflect during working, and the workpiece deflection is better adapted.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below.

FIG. 1 is a schematic view of a preferred embodiment of the present invention from a perspective;

FIG. 2 is a schematic view of a preferred embodiment of the present invention from a perspective;

FIG. 3 is a schematic cross-sectional view of a preferred embodiment of the present invention;

fig. 4 is a schematic cross-sectional view of a preferred embodiment of the present invention.

Wherein the labels shown in the figures are: 1-grinding machine; 12-an air inlet; 13-air outlet; 14-an intake passage; 2-a cylinder body; 3-a universal bearing; 4-an elastic member; 5-a connecting frame; 6-grinding disc.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, a preferred embodiment of the present invention provides a self-adaptive polishing device, which mainly includes a polishing machine 1, a cylinder 2 and a universal bearing 3. Be equipped with on polisher 1 by polisher 1 drive pivoted polishing dish 6, polisher 1's main part is for wholly being cylindric structure, polisher 1's output pivot axial is unanimous with polisher 1's main part's length direction, and coaxial setting, and polishing dish 6 is installed in polisher 1's output pivot tip department so that when polisher 1 starts to drive the output pivot and rotate, can drive polishing dish 6 and rotate and realize polishing through polishing dish 6's bottom surface. The sanding disc 6 can be integrally provided with flocked abrasive paper pieces, water abrasive pieces or wool balls and the like on the bottom surface of the sanding disc, and can also be in a self-adhesive disc mode, namely the bottom of the sanding disc 6 is provided with a self-adhesive surface, the flocked abrasive paper pieces, the water abrasive pieces or the wool balls and the like are adhered to enable the flocked abrasive paper pieces, the water abrasive pieces or the wool balls and the like to be temporarily fixed on the bottom surface of the sanding disc 6, and the sanding disc 6 is in contact with a workpiece through the flocked abrasive paper pieces, the water abrasive pieces or the wool balls and the like on the bottom surface of the sanding disc when rotating, so that the sanding is realized. The barrel 2 is sleeved outside the grinding machine 1, specifically, the barrel 2 is sleeved outside a main body part of the grinding machine 1, the barrel 2 is of a cylindrical barrel structure, and the front end of the barrel is open so that the grinding disc 6 can extend out to be in contact with a workpiece to realize grinding. The top of the barrel 2 is provided with a connecting frame 5, and the connecting frame 5 is arranged so as to be connected with an external device conveniently. The barrel 2 is coaxially arranged with the main body of the sander 1, the sanding disc 6 is located in front of the open front end of the barrel 2, and the sanding disc 6 is slightly off-center from the main body of the sander 1. Universal bearing 3 is located between barrel 2 and polisher 1, universal bearing 3's inner circle and polisher 1's main part fixed connection, the inside wall fixed connection of outer lane and barrel 1, then polisher 1 can have the beat of certain angle for barrel 1 under universal bearing 3's effect this moment, then corresponding, the beat of certain angle also can be realized to the dish of polishing 6 that is located polisher 1's front end, this beat makes the axial of dish of polishing 6 have certain angular deviation with former axial to can change the plane of the 6 bottom surfaces of polishing.

In practice, the cartridge 2 is mounted on an automated machine, such as a robot, to effect grinding by displacing the grinding device to a certain position by the robot. Specifically, the polishing device is shifted through a manipulator and the like, at the moment, the cylinder body 2, the polisher 1 in the cylinder body and the universal bearing 3 are shifted together, the polishing disc 6 is shifted to a certain position until the bottom surface of the polishing disc 6 is abutted against the surface to be polished of the workpiece to be processed, and at the moment, if the bottom surface of the polishing disc 6 is attached to the surface to be polished of the workpiece without a gap, the polishing disc 6 is driven to rotate by the operation of the polisher 1 to polish; if the reasons such as machining deviation and fixed deviation occur, when the bottom surface of the polishing disc 6 is not parallel to the surface to be polished of the workpiece, in the process that the polishing disc 6 is abutted to the surface to be polished of the workpiece, the polishing disc 1 and the polishing disc 6 on the polishing disc 1 can move under the action of the universal bearing 3, and in the abutting process of the polishing disc 6 and the surface to be polished of the workpiece, under the limiting effect of the surface to be polished of the workpiece, the polishing disc 6 can adaptively deflect by a corresponding angle relative to the cylinder 1 to realize good contact of the bottom surface of the polishing disc and the surface to be polished, so that a good polishing effect is obtained. The universal bearing 3 is arranged to realize the deflection of the polishing disc 6 in 360 degrees, so that the grinding disc is suitable for the angle deviation between the surface to be polished in different directions and the bottom surface of the polishing disc 6. The polishing device can be adjusted according to the surface to be polished of the workpiece in a self-adaptive manner, and when the bottom surface of the polishing disc 6 is not parallel to the surface to be polished of the workpiece, the bottom surface of the polishing disc 6 is in contact with the surface to be polished of the workpiece as much as possible through the deflection of the polishing machine 1 and the polishing disc 6 thereon, so that good and efficient polishing is realized.

In the preferred embodiment, the universal bearing 3 is sleeved on the front end of the main body part of the grinding machine 1, so that the distance from the deflection central point to the grinding disc 6 is short, and the grinding disc 6 is easy to deflect during operation, so as to better adapt to the deviation of the workpiece. The maximum deflection angle of the sander 1 in one direction is 3-10 °, in the preferred embodiment of this section, the maximum deflection angle of the sander 1 in one direction (i.e. a radial direction) is 5 °, in the actual process, the deviation of the workpiece is generally not too large, and the required deflection angle of the sanding disc 6 is not too large, so that an appropriate maximum deflection angle can be selected, and when the maximum deflection angle is reached, i.e. when the deflection limit is reached, the main body part of the sander 1 contacts with the inner side wall of the cylinder 2, so as to realize a physical limit. The rear part of the main body part of the grinding machine 1 is conical, when the grinding machine 1 swings to the limit position, the conical surface of the rear part of the main body part of the grinding machine 1 is abutted to the inner side wall of the cylinder 2, and at the moment, the main body part of the grinding machine 1 is in line contact with the cylinder 2, so that the contact area is increased, the main body part of the grinding machine 1 and the cylinder 2 are protected, and damage caused by point contact collision is prevented.

In a preferred embodiment, an elastic member 4 for resetting the sander 1 after deflecting is further arranged between the cylinder 2 and the sander 1, the elastic member 4 can be arranged to enable the sander 1 and the sanding disc 6 thereon to reset by means of the resetting effect of the elastic member 4 when the sanding disc 6 is not in contact with a workpiece, and when deflection is needed, the elastic member 4 can be elastically deformed, so that deflection of the sander 1 and the sanding disc 6 thereon is not affected, and the elastic member 4 is arranged to limit the sander 1 and the sanding disc 6 thereon to a certain extent, so that the sander 1 and the sanding disc 6 thereon are prevented from randomly swinging. Further, in the preferred embodiment, the cylinder 2 is in a structural form with two open ends, the elastic member 4 is an annular elastic sheet, the elastic sheet is made of a silica gel material, has certain elasticity and is strong in reshaping capability, the elastic member 4 is located at the two open ends of the cylinder 2, an inner ring of the elastic member 4 in the form of the annular elastic sheet is connected with the sander 1, an outer ring of the elastic member is connected with the cylinder 2, specifically, the inner ring of the elastic member 4 is connected with an outer periphery of an end portion of a main body portion of the sander 1, and the outer ring of the elastic member is connected with an inner periphery of an end portion of the cylinder 2. By providing the elastic member 4 in the form of an annular elastic sheet, the following effects can be obtained without affecting the deflection of the sander 1 and the sanding disc 6 thereon: firstly, the resetting function is realized, so that the deflected grinding machine 1 and the grinding disc 6 on the deflected grinding machine can be reset when not contacting with a workpiece; secondly, the polishing machine has a certain limiting effect, the polishing machine 1 and the polishing disc 6 on the polishing machine can be effectively prevented from swinging randomly, and the polishing disc 6 is kept at a preset position stably when the polishing disc 6 is not in contact with a workpiece as much as possible; thirdly, the dust-proof polishing machine has a protection effect, can effectively prevent water and dust, and particularly can effectively prevent dust generated during polishing from entering the cylinder 2 to influence the operation of the polishing machine 1.

The sander 1 can be preferably in a pneumatic form or an electric form, in the preferred embodiment, the sander 1 is selected from a pneumatic form, specifically, the main body part of the sander 1 is a pneumatic machine, an output rotating shaft is arranged on the pneumatic machine, the sanding disc 6 is arranged on the output rotating shaft of the pneumatic machine, the sanding disc 6 is driven by the pneumatic machine to rotate, the front end and the rear end of the pneumatic machine are basically flush with the front end and the rear end of the cylinder 2, elastic members 4 in the form of annular elastic sheets are respectively arranged between the front end and the rear end of the pneumatic machine and the front end and the rear end of the cylinder 2, and the inner ring of the elastic member 4 in the form of annular elastic sheets is connected with the outer periphery of the end part of the pneumatic machine at the moment, and the outer ring is connected with the inner periphery of the end part of the cylinder 2. In the preferred embodiment, the air inlet 12 and the air outlet 13 of the pneumatic machine are arranged on top of the pneumatic machine, i.e. the sander 1 in pneumatic form, the air inlet 12 and the air outlet 13 of the pneumatic machine are both arranged on top, and the top of the pneumatic machine is exposed outside the elastic member 4 in the form of an elastic sheet, i.e. a pipe connection of the air inlet 12 and the air outlet 13 to an external air source can be facilitated. Correspondingly set up inlet channel 14 in the lateral wall of the cylinder body of pneumatic motor, inlet channel 14 intercommunication air inlet 12 is so that the air current from air inlet 12 can get into pneumatic motor inside in order to drive its interior rotor and pivot rotation through inlet channel 14, and the air current is finally gone out from gas outlet 13 department, through set up inlet channel 14 in the lateral wall of the cylinder body of pneumatic motor, the cooperation sets up air inlet 12 at the top, can change the mode of admitting air to adaptation grinding device's actual structure.

The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. The utility model provides a self-adaptation grinding device, including polisher (1), be equipped with on polisher (1) and be driven pivoted polishing dish (6) by polisher (1), its characterized in that still including barrel (2), barrel (2) cover is established outside polisher (1), be equipped with universal bearing (3) between barrel (2) and polisher (1) so that polisher (1) and last polishing dish (6) for barrel (2) can have the beat of certain angle.

2. An adaptive grinding device according to claim 1, characterized in that the universal bearing (3) is fitted over the front end of the main body portion of the grinding machine (1).

3. An adaptive grinding device according to claim 1 or 2, characterized in that an elastic member (4) is arranged between the cylinder (2) and the grinding machine (1) for resetting the grinding machine (1) after deflection.

4. An adaptive grinding device according to claim 3, characterized in that the cylinder (2) is in the form of a structure with two open ends, the elastic member (4) is in the form of an annular elastic sheet, the elastic member (4) is located at the two open ends of the cylinder (2), the inner ring of the elastic member (4) in the form of an annular elastic sheet is connected with the grinding machine (1), and the outer ring is connected with the cylinder (2).

5. An adaptive grinding device according to claim 1, characterized in that the maximum angle of deflection of the grinding machine (1) in one direction is 3-10 °.

6. The adaptive grinding device according to claim 1, characterized in that the grinding machine (1) is of a pneumatic or electric type.

7. An adaptive grinding device according to claim 6, characterized in that the air inlet (12) of the grinding machine (1) is arranged at the top of the grinding machine (1) when the grinding machine (1) is in pneumatic form.

8. An adaptive sharpening device according to claim 1, characterized in that the top of the barrel (2) is provided with a connecting frame (5).

9. The adaptive grinding device according to claim 1, wherein a rear portion of the main body portion of the grinder (1) is tapered, and when the grinder (1) is swung to the limit position, the tapered surface of the rear portion of the main body portion of the grinder (1) abuts against an inner side wall of the cylinder (2).