CN111805368A

CN111805368A - Polishing machine

Info

Publication number: CN111805368A
Application number: CN202010655655.8A
Authority: CN
Inventors: 任秉文; 陶广旭; 金晨辉; 汤杭东
Original assignee: Hengdian Group Innuovo Electric Co Ltd
Current assignee: Zhejiang Linix Motor Co Ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2020-10-23
Anticipated expiration: 2040-07-09
Also published as: CN111805368B

Abstract

The invention relates to a polishing machine. The utility model provides a polishing machine, includes first fixed plate and is located the mount of first fixed plate front side, the mount rear end is rotatable fixed with first fixed plate, wherein be connected with first telescopic machanism between one end at both ends and the first fixed plate about the mount, first telescopic machanism includes first fixed part and first pars contractilis, and first pars contractilis one end is located first fixed part, and the first pars contractilis other end is located outside the first fixed part, the other end at both ends is rotatable fixed with first fixed plate about the mount, be fixed with the motor for the polishing on the mount, the motor output end is connected with polishing subassembly for the polishing, first telescopic machanism front end atress is so that first pars contractilis elastic shrinkage. The invention has the advantages that the polishing mechanism can be always contacted with the surface of the workpiece, and the polishing effect can be improved.

Description

Polishing machine

Technical Field

The invention relates to processing equipment, in particular to a polishing machine.

Background

The polishing machine generally includes a drive motor and a polishing wheel, and the polishing wheel is rotated to polish the surface of the workpiece. The pressure vessel generally comprises an end enclosure and a cylinder body, and after the end enclosure and the cylinder body are welded, polishing of the joint of the end enclosure and the cylinder body is needed, and polishing of the inner wall of the pressure vessel is needed. The pressure vessel is typically spun, or the polisher is spun, to effect polishing of the inner wall of the pressure vessel. However, the cross section of some pressure vessels is not a perfect circle, and some pressure vessels are elliptical, so that part of the inner wall of the pressure vessel can not contact the polishing wheel or the polishing degree is different in the autorotation process of the pressure vessel or the polishing machine, and the polishing effect is poor.

Disclosure of Invention

The invention aims to provide a polishing machine capable of improving polishing effect.

In order to achieve the purpose, the invention adopts the following technical scheme: a polishing machine comprises a first fixed plate and a fixed frame positioned at the front side of the first fixed plate, wherein the rear end of the fixed frame is rotatably fixed with the first fixed plate, a first telescopic mechanism is connected between one end of the upper end and the lower end of the fixed frame and the first fixed plate, the first telescopic mechanism comprises a first fixed part and a first telescopic part, one end of the first telescopic part is positioned in the first fixed part, the other end of the first telescopic part is positioned outside the first fixed part, the first telescopic mechanism works to adjust the length of the first telescopic part positioned outside the first fixed part, the rear end of the first telescopic mechanism is rotatably fixed with the first fixed plate, the front end of the first telescopic mechanism is rotatably fixed with the fixed frame, the other end of the upper end and the lower end of the fixed frame is rotatably fixed with the first fixed plate, a polishing motor is fixed on the fixed frame, and the output end of the polishing motor is connected, the front end of the first telescopic mechanism is stressed to enable the first telescopic part to elastically contract.

When the polishing machine provided by the invention is used, after the polishing component meets the uneven part or the convex part of the workpiece, the first telescopic part of the first telescopic mechanism can elastically contract, and the polishing component of the polishing machine can be always contacted with the surface of the workpiece by arranging the first telescopic mechanism capable of elastically contracting, so that the polishing effect is improved. The first telescopic mechanism can adopt a device capable of realizing length adjustment such as an electric push rod, and a spring capable of moving only along the axial direction can be arranged at the end part of the electric push rod, so that the first telescopic mechanism has the function of elastic contraction. The polishing machine can be used for polishing workpieces with different sizes.

Preferably, the first fixing plate is rotatably fixed at the front side of the second fixing plate, a second telescopic mechanism is connected between one of the upper and lower ends of the first fixing plate and the second fixing plate, the second telescopic mechanism comprises a second fixing portion and a second telescopic portion, one end of the second telescopic portion is located in the second fixing portion, the other end of the second telescopic portion is located outside the second fixing portion, the second telescopic mechanism works to adjust the length of the second telescopic portion located outside the second fixing portion, the rear end of the second telescopic mechanism is rotatably fixed with the second fixing plate, the front end of the second telescopic mechanism is rotatably fixed with the first fixing plate, the joint of the second fixing plate and the first fixing plate is located above or below the joint of the rear end of the second telescopic mechanism and the second fixing plate, and the upper end of the first fixing plate moves forwards or backwards under the action of the second telescopic mechanism, the front end of the second telescopic mechanism is stressed to enable the second telescopic part to elastically contract.

Through the arrangement of the second telescopic mechanism, the position of the polishing assembly can be adjusted to a larger extent, so that the polishing machine can be used for polishing workpieces with larger size difference, and the application range is wider. And meanwhile, a second telescopic mechanism is additionally arranged, so that the polishing component of the polishing machine can be always in contact with the surface of the workpiece, and the moving amplitude of the polishing mechanism and the polishing motor in the polishing process is smaller. The second fixing plate is used for fixing with a fixing part, such as a rotating platform or a fixing frame or a wall body.

Preferably, the first telescopic mechanism is a cylinder.

Preferably, the second telescopic mechanism is a cylinder.

The first telescopic mechanism and the second telescopic mechanism are both cylinders, the elastic force is constant, and compared with a spring with the elastic force changed due to stroke change, the polishing device can enable the polishing process to be more stable and the polishing effect to be better. The air pressure can be adjusted through a precise pressure regulating valve of the air cylinder so as to control the elastic force of the air cylinder. The stroke of the cylinder can be adjusted through the middle-sealing type three-position five-way valve, and the distance between the polishing component and the polishing motor can be realized. Both the first and second telescoping mechanisms may employ standard double acting pneumatic cylinders.

Preferably, the front end of the first telescopic mechanism and the front end of the fixing frame are rotatably fixed. The arrangement ensures that the structure of the invention can be more compact and the occupied space is smaller under the condition of ensuring enough telescopic stroke of the first telescopic mechanism.

Preferably, a connecting plate extending forwards is fixed on the front side of the first fixing plate, and the front end of the second telescopic mechanism is rotatably fixed with the front end of the connecting plate. The arrangement ensures that the structure of the invention can be more compact and the occupied space is smaller under the condition of ensuring enough telescopic stroke of the second telescopic mechanism.

Preferably, the polishing assembly comprises a driving wheel, a driven wheel and a polishing abrasive belt sleeved outside the driving wheel and the driven wheel, one end of the connecting frame is fixed with the fixing frame, the other end of the connecting frame extends to the side far away from the fixing frame, and the driven wheel is rotatably fixed on the connecting frame; the link comprises link one and link two, be fixed with third telescopic machanism in the link one, third telescopic machanism has third fixed part and third pars contractilis, and third pars contractilis one end is located the third fixed part, and the third pars contractilis other end extends outside the third fixed part, the work of third telescopic machanism is in order to adjust the length that the third pars contractilis is located the third fixed part, third pars contractilis or third fixed part include the connecting rod of rotation at least, the connecting rod is located the third telescopic machanism tip, third telescopic machanism one end is fixed with link one, the third telescopic machanism other end is fixed with link two, link one is fixed with the mount, be equipped with from the driving wheel in the link two.

The polishing machine does not polish by the polishing wheel, but polishes by the polishing abrasive belt, so that the polishing efficiency is higher and the polishing effect is better. Wherein, the third telescopic machanism is used for strutting the polishing abrasive band to ensure the polishing effect. When the polishing abrasive belt and the driven wheel pass through the concave-convex part of the surface of the workpiece, the polishing abrasive belt and the driven wheel can rotate along the convex direction of the surface of the workpiece due to the arrangement of the connecting rod capable of rotating automatically, so that the polishing abrasive belt can be always contacted with the surface of the workpiece, and the polishing effect is improved; the welding position of the workpiece is uneven, the contact surface between the polishing abrasive belt and the welding position is small, polishing operation needs to be carried out after the welding position is polished to be flat, polishing time is long, and efficiency is low; because the driven wheel can rotate at a certain angle, the driven wheel can adjust the angle along the welding position in the grinding process, so that the contact area between the grinding belt at the driven wheel and the welding position is increased, the grinding time is shortened, and the grinding efficiency is improved.

Preferably, the third telescopic mechanism is a cylinder. The telescopic rod of the cylinder body can rotate. The cylinder is adopted, so that the cost of the invention is lower, and the assembly is more convenient.

Preferably, the third telescopic part comprises a telescopic rod and the connecting rod, one end of the telescopic rod is positioned in the third fixing part, the other end of the telescopic rod extends out of the third fixing part and is coaxially connected with the connecting rod, and the connecting rod is rotatably fixed at the end part of the telescopic rod; the telescopic rod end and the connecting rod end are provided with rotating structures matched with each other, and each rotating structure comprises an annular groove and an annular bulge located in the annular groove.

When the annular groove is arranged on the telescopic rod, the annular bulge is arranged on the connecting rod; when the annular groove is arranged on the connecting rod, the annular bulge is arranged on the telescopic rod. The annular groove can be a groove which is opened towards the circumferential outer side, and can also be a groove which is opened towards the circumferential inner side; accordingly, the annular projection may be a projection extending inward in the circumferential direction, or may be a projection extending outward in the circumferential direction. Through setting up rotating-structure to the realization connecting rod can carry out the rotation. The third telescopic mechanism of the invention can adopt other linear telescopic equipment such as an electric push rod and the like.

Preferably, the driven wheel and/or the driving wheel has a surface for contacting with the polishing belt, the middle of which extends to the circumferential outer side, so that the cross section of the surface for contacting with the polishing belt is arranged in a V shape or a circular arc shape. When the polishing abrasive belt is spread, the left and right movement of the polishing abrasive belt is limited due to the outward bulge of the middle part of the surface of the driven wheel or the driving wheel, so that the polishing abrasive belt is further prevented from being separated from the driven wheel.

The invention has the advantages that the polishing mechanism can be always contacted with the surface of the workpiece, and the polishing effect can be improved.

Drawings

FIG. 1 is a schematic structural diagram of the present invention;

FIG. 2 is another schematic structural view of the present invention;

FIG. 3 is a schematic diagram of a polishing motor and polishing assembly according to the present invention;

FIG. 4 is a cross-sectional view of the driven wheel of the present invention;

FIG. 5 is another third telescoping mechanism of the present invention;

fig. 6 is an enlarged view of the rotation structure of fig. 5.

Detailed Description

The invention is further described below with reference to the figures and specific embodiments.

As shown in fig. 1 to 3, the polishing machine of the present invention comprises a first fixing plate 1 and a fixing frame 2 located at the front side of the first fixing plate 1, the rear end of the fixing frame 2 is rotatably fixed to the first fixing plate 1, a first telescoping mechanism 3 is connected between the upper end of the fixing frame 2 and the first fixing plate 1, the first telescoping mechanism 3 comprises a first fixing portion 31 and a first telescoping portion 32, the rear end of the first telescoping portion 32 is located in the first fixing portion 31, the front end of the first telescoping portion 32 is located outside the first fixing portion 31, the first telescoping mechanism 3 works to adjust the length of the first telescoping portion 32 located outside the first fixing portion 31 and to enable the upper end of the fixing frame 2 to swing forwards or backwards, the rear end of the first fixing portion 31 of the first telescoping mechanism 3 is rotatably fixed to the first fixing plate 2, the front end of the first telescoping portion 32 of the first telescoping mechanism 3 is rotatably fixed to the upper end of the front end of the fixing frame 2, the lower end of the fixing frame 2 is rotatably fixed to the, the fixed frame 2 is fixed with a polishing motor 4, the output end of the polishing motor 4 is connected with a polishing component 5, and the front end of the first telescopic mechanism 3 is stressed to enable the first telescopic part 32 to elastically contract.

The first fixing plate 1 is rotatably fixed at the front side of the second fixing plate 6, a second telescopic mechanism 7 is connected between the upper end of the first fixing plate and the upper end of the second fixing plate 6, the second telescopic mechanism 7 comprises a second fixing part 71 and a second telescopic part 72, the rear end of the second telescopic part 72 is positioned in the second fixing part 71, the front end of the second telescopic part 72 is positioned outside the second fixing part 71, the second telescopic mechanism 7 works to adjust the length of the second telescopic part 72 positioned outside the second fixing part 71 and enable the upper end of the first fixing plate 1 to swing forwards or backwards, the rear end of the second fixing part 71 of the second telescopic mechanism 7 is rotatably fixed with the second fixing plate 6, a connecting plate 11 extending forwards is fixed at the front side of the upper end of the first fixing plate 1, the front end of the second telescopic part 72 of the second telescopic mechanism 7 is rotatably fixed with the front end of the connecting plate 11, the connection position of the second fixing plate 6 and the first fixing plate 1 is positioned below the connection position of the rear end of the second telescopic mechanism 7 and the second fixing plate, the front end of the second telescopic mechanism 7 is stressed to make the second telescopic part 72 elastically contract. Wherein, the first telescopic mechanism 3 and the second telescopic mechanism 7 are both cylinders.

As shown in fig. 1 to 3, the polishing assembly 5 includes a driving wheel 51, a driven wheel 52 and a polishing abrasive belt 53 sleeved outside the driving wheel 51 and the driven wheel 52, the fixing frame 2 is provided with a connecting frame 8 extending downward, the upper end of the connecting frame 8 is fixed to the fixing frame 2, the lower end of the connecting frame 8 extends downward, the driven wheel 52 is located at the lower side of the driving wheel 51, and the driven wheel 52 is rotatably fixed at the lower end of the connecting frame 8.

The link 8 is composed of a first link 81 and a second link 82, a third telescoping mechanism 9 is fixed on the first link 81, the third telescoping mechanism 9 has a third fixing portion 91 and a third telescoping portion 92, the upper end of the third telescoping portion 92 is located in the third fixing portion 91, the lower end of the third telescoping portion 92 extends out of the third fixing portion 91, the third telescoping mechanism 9 works to adjust the length of the third telescoping portion 92 located out of the third fixing portion 91, the third telescoping portion 92 includes a connecting rod capable of rotating, the connecting rod is located at the end of the third telescoping mechanism, the upper end of the third fixing portion 91 of the third telescoping mechanism 9 is fixed with the first link 81, the lower end (i.e., the lower end of the connecting rod) of the third telescoping portion 92 of the third telescoping mechanism 9 is fixed with the n-shaped second link 82, the first link 81 is fixed with the fixed frame 2, and the driven wheel 52 is rotatably fixed on the second link 82. Wherein the third telescopic mechanism 9 is a cylinder.

As shown in fig. 4, the central portions of the surfaces of driven wheel 52 and driving wheel 51 that are in contact with sanding belt 53 extend outward in the circumferential direction, so that the cross-sections of the surfaces of driven wheel 52 and driving wheel 51 that are in contact with sanding belt 53 are arranged in a V-shape.

As shown in fig. 5 and 6, the present embodiment is different from the embodiment shown in fig. 3 in that: the third telescoping mechanism is different. The third telescopic machanism of this embodiment is electric putter, and the third telescopic machanism's of this embodiment third telescopic machanism's the third portion 92 that stretches out and draws back includes telescopic link 921 (electric putter's push pipe) and connecting rod 922, and telescopic link 922 one end is located third fixed part 91 (electric putter's pipe), the telescopic link 921 other end extend to outside the third fixed part 91 with connecting rod 922 coaxial coupling sets up, the rotatable telescopic link 921 tip that is fixed in of connecting rod 922, telescopic link 921 tip and connecting rod 922 tip are equipped with the rotating-structure of mutually supporting, and rotating-structure includes ring channel 924 and the annular bulge 925 that is located the ring channel 924.

Telescopic link 921 end fixing has end cover 923, and ring channel 924 sets up inside end cover 923, and the connecting rod 922 end is equipped with annular protrusion 925, end cover 923 have the through-hole that supplies connecting rod 922 to pass, and end cover 923 is fixed with telescopic link 921 through riveting or other modes. Wherein, can set up a plurality of balls in order to carry out spacing groove to the ball between connecting rod and telescopic link, perhaps set up the plane bearing in the axial face contact department of connecting rod and telescopic link to resistance when reducing the connecting rod and rotating. Wherein the annular projection can also be replaced by a bearing.

The polishing device can be used for polishing the welding part of the end socket and the barrel of the pressure container, the end socket end part of the pressure container is in an oval shape close to a perfect circle, the connecting frame is stretched into the pressure container, the polishing abrasive belt at the driven wheel of the polishing component is contacted with the part to be polished on the inner wall of the pressure container by adjusting the first telescopic mechanism and the second telescopic mechanism, then the motor for polishing is started, and the pressure container rotates under the action of other equipment.

Claims

1. A polishing machine is characterized by comprising a first fixed plate and a fixed frame positioned on the front side of the first fixed plate, wherein the rear end of the fixed frame is rotatably fixed with the first fixed plate, a first telescopic mechanism is connected between one end of the upper end and the lower end of the fixed frame and the first fixed plate, the first telescopic mechanism comprises a first fixed part and a first telescopic part, one end of the first telescopic part is positioned in the first fixed part, the other end of the first telescopic part is positioned outside the first fixed part, the first telescopic mechanism works to adjust the length of the first telescopic part positioned outside the first fixed part, the rear end of the first telescopic mechanism is rotatably fixed with the first fixed plate, the front end of the first telescopic mechanism is rotatably fixed with the fixed frame, the other end of the upper end and the lower end of the fixed frame is rotatably fixed with the first fixed plate, a polishing motor is fixed on the fixed frame, and the output end of the polishing motor is connected, the front end of the first telescopic mechanism is stressed to enable the first telescopic part to elastically contract.

2. The polishing machine according to claim 1, wherein the first fixing plate is rotatably fixed to a front side of the second fixing plate, a second telescoping mechanism is connected between one of upper and lower ends of the first fixing plate and the second fixing plate, the second telescoping mechanism includes a second fixing portion and a second telescoping portion, one end of the second telescoping portion is located in the second fixing portion, the other end of the second telescoping portion is located outside the second fixing portion, the second telescoping mechanism operates to adjust the length of the second telescoping portion located outside the second fixing portion, a rear end of the second telescoping mechanism is rotatably fixed to the second fixing plate, a front end of the second telescoping mechanism is rotatably fixed to the first fixing plate, a connection portion of the second fixing plate and the first fixing plate is located above or below a connection portion of the rear end of the second telescoping mechanism and the second fixing plate, an upper end of the first fixing plate moves forward or backward under the action of the second telescoping mechanism, the front end of the second telescopic mechanism is stressed to enable the second telescopic part to elastically contract.

3. A polishing machine according to claim 1 wherein said first retraction mechanism is a pneumatic cylinder.

4. A polishing machine according to claim 1 wherein said second retraction mechanism is a pneumatic cylinder.

5. The polishing machine as claimed in claim 1, wherein the front end of the first telescoping mechanism is rotatably fixed to the front end of the fixing frame.

6. The polishing machine as claimed in claim 2, wherein a connecting plate extending forward is fixed to a front side of the first fixing plate, and a front end of the second telescoping mechanism is rotatably fixed to a front end of the connecting plate.

7. The polishing machine as claimed in claim 1, wherein the polishing assembly includes a driving wheel, a driven wheel and a polishing abrasive belt sleeved outside the driving wheel and the driven wheel, one end of the connecting frame is fixed to the fixing frame, the other end of the connecting frame extends to the side far away from the fixing frame, and the driven wheel is rotatably fixed to the connecting frame; the link comprises link one and link two, be fixed with third telescopic machanism in the link one, third telescopic machanism has third fixed part and third pars contractilis, and third pars contractilis one end is located the third fixed part, and the third pars contractilis other end extends outside the third fixed part, the work of third telescopic machanism is in order to adjust the length that the third pars contractilis is located the third fixed part, third pars contractilis or third fixed part include the connecting rod of rotation at least, the connecting rod is located the third telescopic machanism tip, third telescopic machanism one end is fixed with link one, the third telescopic machanism other end is fixed with link two, link one is fixed with the mount, be equipped with from the driving wheel in the link two.

8. A polishing machine according to claim 7 wherein said third retraction mechanism is a pneumatic cylinder.

9. The polishing machine of claim 7, wherein the third flexible portion comprises a telescopic rod and the connecting rod, one end of the telescopic rod is located in the third fixed portion, the other end of the telescopic rod extends out of the third fixed portion and is coaxially connected with the connecting rod, and the connecting rod is rotatably fixed at the end of the telescopic rod; the telescopic rod end and the connecting rod end are provided with rotating structures matched with each other, and each rotating structure comprises an annular groove and an annular bulge located in the annular groove.

10. A polishing machine as claimed in claim 7, characterized in that the driven wheel and/or the drive wheel has/have a surface for contact with the polishing belt extending centrally to the circumferential outside, so that the surface of the driven wheel and/or the drive wheel for contact with the polishing belt is V-shaped or circular-arc-shaped in cross-section.