CN111660144B

CN111660144B - Workpiece machining process and grinding machine thereof

Info

Publication number: CN111660144B
Application number: CN202010399125.1A
Authority: CN
Inventors: 周碧英; 周荣军; 陈忠海; 周锡明
Original assignee: Ningbo Saifu Technology Co ltd
Current assignee: Ningbo Saifu Technology Co ltd
Priority date: 2020-05-12
Filing date: 2020-05-12
Publication date: 2021-10-29
Anticipated expiration: 2040-05-12
Also published as: CN111660144A

Abstract

The invention relates to a grinding machine which comprises a driving wheel and a driven wheel, wherein annular grinding belts are wound on the outer side wall of the driving wheel and the outer side wall of the driven wheel, a first grinding surface is arranged on the outer side wall of each grinding belt, a second grinding surface is arranged on the inner side wall of each grinding belt, and the grinding machine further comprises a turn-over mechanism for driving the turn-over of the grinding belts. A workpiece machining process comprises the following steps: s1: carrying out primary finish turning on one surface of the workpiece by using a first grinding surface of the grinding belt; s2: turning the polishing belt by a turning mechanism, and turning the second polishing surface to the outer side; s3: and carrying out secondary finish turning on the surface of the workpiece passing through the primary finish turning by using a second grinding surface of the grinding belt. The finish turning efficiency of the workpiece can be improved.

Description

Workpiece machining process and grinding machine thereof

Technical Field

The invention relates to the technical field of workpiece finish turning, in particular to a workpiece machining process and a grinding machine thereof.

Background

Finish turning is a common process for providing a workpiece surface finish.

In the prior art, the finish degree of a workpiece needs to be improved by one-time finish turning through a grinding wheel or a grinding machine, and the surface roughness of the workpiece is not good at the moment, but only the size of the workpiece is ground to the required standard size. And secondly, winding asbestos on the grinding wheel or the sanding machine to perform secondary finish turning on the workpiece, so that the workpiece is sanded to the required smooth finish.

In the above process, a certain time is required for coating asbestos on a grinding wheel or a sanding machine, resulting in a reduction in processing efficiency.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a grinding machine which can improve the finish turning efficiency of a workpiece.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides a grinding machine, includes the action wheel and follows the driving wheel, action wheel lateral wall and follow driving wheel lateral wall are rich and are equipped with annular polishing area, the outer lateral wall of polishing area is equipped with first polished surface, the inner lateral wall of polishing area is equipped with the second polished surface, grinding machine still includes the drive the turn-over mechanism of polishing area turn-over.

Through adopting above-mentioned technical scheme, carry out the finish turning back once to the work piece through polishing the face, drive turn-over mechanism will polish and take the turn-over, make the second polished surface be located the outside, just can supply the second to polish and carry out the secondary finish turning to the work piece, it is more simple and convenient to operate.

Further, turn-over mechanism includes first rotation motor, the first actuating shaft connection dwang that rotates the motor, the dwang tip rotates and is connected with the compression roller that two symmetries set up, the area of polishing passes two clearance between the compression roller, dwang drive compression roller rotates the back, and the area of polishing between two compression rollers overturns 180 degrees.

Through adopting above-mentioned technical scheme, two compression rollers will polish and take 180 degrees backs, and the action wheel rotates and drives the rotation of the area of polishing, makes the whole part in area of polishing all pass through two compression rollers to realize the turn-over in whole area of polishing.

Furthermore, the dwang is crooked to be set up, works as first rotation motor drive when the dwang rotates, two the holistic center of rotation of compression roller is located on the axis of first rotation motor drive shaft.

Through adopting above-mentioned technical scheme, make two compression rollers rotate with their holistic center to make the polishing area between with the central line rotation of polishing area.

Further, the driven wheel is axially and rotatably connected with a sliding block, the sliding block is slidably connected with a sliding chute, the sliding block is in threaded connection with a screw rod, the screw rod is axially connected with a driving shaft of a second rotating motor, and the sliding block drives the driven wheel to be close to or far away from the driving wheel.

Through adopting above-mentioned technical scheme, before turn-over mechanism rotated, screw rod drive slider was close to the action wheel, made follow driving wheel and be close to the action wheel, the area of polishing becomes loose, and turn-over mechanism of being convenient for carries out the turn-over operation to the area of polishing.

Further, the grinding machine comprises an operation platform, the operation platform comprises a base, a longitudinal moving plate capable of moving longitudinally is arranged on the base, a horizontal moving plate capable of moving horizontally is connected to the longitudinal moving plate in a sliding mode, a driving device is arranged in the base, a longitudinal hydraulic cylinder of the longitudinal moving plate is arranged on the base, and a driving device is arranged on the base and used for driving the horizontal hydraulic cylinder of the horizontal moving plate.

Through adopting above-mentioned technical scheme, vertical distance between vertical platform adjustment work piece and the dull polish area, horizontal platform makes the work piece polish in the horizontal direction.

Further, the driving wheel and the driven wheel are vertically distributed, the driving wheel is located below the driven wheel, the driving wheel is axially connected with a driving shaft of a driving motor, and the driving motor is fixedly arranged.

Through adopting above-mentioned technical scheme, the initiative is fixed to be set up, guarantees to be around establishing the polishing surface position stability of the polishing area on the action wheel.

Further, be equipped with curb plate and roof on the base, the curb plate supports the roof level is located the base top, the second rotates the motor and is located on the roof, the dwang vertically sets up, the initiative motor is fixed in on the curb plate.

Through adopting above-mentioned technical scheme, the initiative motor is fixed in and makes on the curb plate guarantee to lie in the horizontal shifting board top around the polishing surface of the area of polishing of establishing on the action wheel.

Furthermore, the first polishing surface is a sand layer, the second polishing surface is an asbestos layer, and an adhesion layer is arranged between the sand layer and the asbestos layer.

Through adopting above-mentioned technical scheme, the adhesion layer is in the same place sand layer and asbestos layer adhesion.

Furthermore, the upper surface of the horizontal moving plate is provided with a groove for placing a workpiece.

Through adopting above-mentioned technical scheme, the recess is spacing to the work piece, is convenient for polish.

Aiming at the defects in the prior art, the invention aims to provide a workpiece machining process which can improve the finish turning efficiency of workpieces.

The second aim of the invention is realized by the following technical scheme:

a workpiece machining process comprises the following steps:

s1: carrying out primary finish turning on one surface of the workpiece by using a first grinding surface of the grinding belt;

s2: turning the polishing belt by a turning mechanism, and turning the second polishing surface to the outer side;

s3: and carrying out secondary finish turning on the surface of the workpiece passing through the primary finish turning by using a second grinding surface of the grinding belt.

In summary, the invention includes at least one of the following beneficial technical effects: after the workpiece is finely turned for the first time through polishing, the driving turnover mechanism turns over the polishing belt, so that the second polishing surface is located on the outer side, the second polishing surface can be polished for the second time, the operation is simpler and more convenient, and the polishing efficiency is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the base;

fig. 3 is a cross-sectional view of the sanding belt.

In the figure: 1. a driving wheel; 2. a driven wheel; 3. polishing the belt; 31. a first polishing surface; 32. a second polished surface; 33. an adhesion layer; 4. a first rotating electric machine; 5. rotating the rod; 6. a compression roller; 7. a slider; 8. a chute; 9. a screw; 10. a second rotating electric machine; 11. a base; 12. longitudinally moving the plate; 13. horizontally moving the plate; 14. a longitudinal hydraulic cylinder; 15. a horizontal hydraulic cylinder; 16. a side plate; 17. a top plate; 18. A groove; 19. an active motor.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the grinding machine disclosed by the invention comprises a driving wheel 1 and a driven wheel 2, an annular polishing belt 3 is wound around the outer side wall of the driving wheel 1 and the outer side wall of the driven wheel 2, a first polishing surface 31 is arranged on the outer side wall of the polishing belt 3, a second polishing surface 32 is arranged on the inner side wall of the polishing belt 3, and the grinding machine further comprises a turn-over mechanism for driving the polishing belt 3 to turn over.

In this embodiment, action wheel 1 and follow driving wheel 2 distribute from top to bottom in vertical direction, and action wheel 1 is located the below from driving wheel 2, and action wheel 1 axial is connected with driving motor 19's drive shaft, and driving motor 19 is fixed to be set up. The active fixing device ensures that the position of the polishing surface of the polishing belt 3 wound on the driving wheel 1 is stable. In other embodiments, the line connecting the centers of the driving wheel 1 and the driven wheel 2 may not be horizontal.

Be equipped with curb plate 16 and roof 17 on the base 11, curb plate 16 supports roof 17 level and locates the base 11 top, and dwang 5 vertically sets up, and initiative motor 19 is fixed in on the curb plate 16. The driving motor 19 is fixed to the side plate 16 so as to ensure that the polishing surface of the polishing belt 3 wound around the driving wheel 1 is positioned above the horizontal moving plate 13.

The turn-over mechanism comprises a first rotating motor 4, a driving shaft of the first rotating motor 4 is connected with a rotating rod 5, the rotating rod 5 is arranged in a bending mode, and when the rotating rod 5 is driven to rotate by the first rotating motor 4, the whole rotating center of two pressing rollers 6 is located on the axis of the driving shaft of the first rotating motor 4. The two pressing rollers 6 are rotated at their entire centers, thereby rotating the sanding belt 3 therebetween at the center line of the sanding belt 3.

5 tip rotations of dwang are connected with the compression roller 6 that two symmetries set up, and the area 3 of polishing passes the clearance between two compression rollers 6, and the dwang 5 drives the back that the compression roller 6 rotates, and the area 3 of polishing between two compression rollers 6 overturns 180 degrees. After the polishing belt 3 is overturned by 180 degrees by the two compression rollers 6, the driving wheel 1 rotates to drive the polishing belt 3 to rotate, so that the whole part of the polishing belt 3 passes through the two compression rollers 6, and the overturning of the whole polishing belt 3 is realized.

The driven wheel 2 is axially and rotatably connected with a sliding block 7, the sliding block 7 is slidably connected with a sliding chute 8, the sliding block 7 is in threaded connection with a screw rod 9, the screw rod 9 is axially connected with a driving shaft of a second rotating motor 10, and the second rotating motor 10 is positioned on a top plate 17. The slide block 7 drives the driven wheel 2 to be close to or far away from the driving wheel 1. Before the turn-over mechanism rotates, the screw 9 drives the sliding block 7 to be close to the driving wheel 1, so that the driven wheel 2 is close to the driving wheel 1, the polishing belt 3 becomes loose, and the turn-over mechanism is convenient to turn over the polishing belt 3.

Referring to fig. 2, the grinding machine includes an operation platform, the operation platform includes a base 11, a longitudinal moving plate 12 capable of moving longitudinally is arranged on the base 11, a horizontal moving plate 13 capable of moving horizontally is connected to the longitudinal moving plate 12 in a sliding manner, a longitudinal hydraulic cylinder 14 for driving the longitudinal moving plate 12 is arranged in the base 11, and a horizontal hydraulic cylinder 15 for driving the horizontal moving plate 13 is arranged on the base 11. The vertical distance between the workpiece and the abrasive belt is adjusted by the longitudinal platform, and the workpiece is ground in the horizontal direction by the horizontal platform.

Referring to fig. 3, the first polishing surface 31 is a sand layer, the second polishing surface 32 is an asbestos layer, and an adhesion layer 33 is arranged between the sand layer and the asbestos layer.

The invention also provides a workpiece processing technology, which comprises the following steps:

s1: carrying out primary finish turning on one surface of the workpiece by using a first grinding surface 31 of the grinding belt 3;

s2: the grinding belt 3 is turned over by the turning mechanism, and the second grinding surface 32 is turned to the outer side;

s3: and performing secondary finish turning on the surface of the workpiece after the workpiece passes through the primary finish turning by using the second polishing surface 32 of the polishing belt 3.

Specifically, before the turn-over of the turn-over mechanism, the second motor drives the screw rod 9 to rotate, so that the sliding block 7 moves towards the direction close to the driving wheel 1, the driven wheel 2 is close to the driving wheel 1, the polishing belt 3 is loosened, and the turn-over of the polishing belt 3 is facilitated.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides a grinding machine, includes action wheel (1) and follows driving wheel (2), action wheel (1) lateral wall is equipped with annular polishing area (3) with following driving wheel (2) lateral wall winding, its characterized in that: the grinding belt (3) lateral wall is equipped with first polished surface (31), the ground belt (3) inside wall is equipped with second polished surface (32), the grinding machine is still including the drive the turn-over mechanism of ground belt (3) turn-over, turn-over mechanism includes first rotation motor (4), the first drive shaft connection dwang (5) of rotating motor (4), dwang (5) tip rotates and is connected with compression roller (6) that two symmetries set up, grind belt (3) and pass two clearance between compression roller (6), dwang (5) drive compression roller (6) rotate the back, and the ground belt (3) between two compression rollers (6) overturn 180 degrees.

2. A machine as claimed in claim 1 in which: dwang (5) crooked setting, work as first rotation motor (4) drive dwang (5) are when rotating, two the holistic rotation center of compression roller (6) is located on the axis of first rotation motor (4) drive shaft.

3. A machine as claimed in claim 1 in which: follow driving wheel (2) axial rotation and be connected with slider (7), slider (7) sliding connection has spout (8), slider (7) threaded connection has screw rod (9), the drive shaft of second rotating electrical machines (10) is connected to screw rod (9) axial, slider (7) drive follow driving wheel (2) are close to or keep away from action wheel (1).

4. A machine as claimed in claim 3 in which: the grinding machine comprises an operation platform, the operation platform comprises a base (11), a longitudinal moving plate (12) capable of moving longitudinally is arranged on the base (11), a horizontal moving plate (13) capable of moving horizontally is connected to the longitudinal moving plate (12) in a sliding mode, a drive is arranged in the base (11), a longitudinal hydraulic cylinder (14) of the longitudinal moving plate (12) is arranged, and a drive is arranged on the base (11) and used for driving a horizontal hydraulic cylinder (15) of the horizontal moving plate (13).

5. A grinding machine as claimed in claim 4 wherein: the driving wheel (1) and the driven wheel (2) are distributed up and down in the vertical direction, the driving wheel (1) is located below the driven wheel (2), the driving wheel (1) is axially connected with a driving shaft of a driving motor (19), and the driving motor (19) is fixedly arranged.

6. A grinding machine as claimed in claim 5 wherein: be equipped with curb plate (16) and roof (17) on base (11), curb plate (16) support roof (17) level is located base (11) top, second rotation motor (10) are located on roof (17), dwang (5) vertically set up, initiative motor (19) are fixed in on curb plate (16).

7. A machine as claimed in claim 1 in which: the first sanding surface (31) is a sand layer, the second sanding surface (32) is an asbestos layer, and an adhesion layer (33) is arranged between the sand layer and the asbestos layer.

8. A grinding machine as claimed in claim 4 wherein: the upper surface of the horizontal moving plate (13) is provided with a groove (18) for placing a workpiece.

9. A workpiece machining process is characterized in that: use of a grinding machine as claimed in any one of claims 1 to 8, comprising the steps of:

s1: carrying out primary coarse grinding on one surface of the workpiece by using a first grinding surface (31) of the grinding belt (3);

s2: turning over the polishing belt (3) through a turning-over mechanism, and turning over the second polishing surface (32) to the outer side;

s3: and carrying out secondary fine grinding on one surface of the workpiece after the primary coarse grinding by using a second grinding surface (32) of the grinding belt (3).