CN214418342U

CN214418342U - Cylindrical grinding machine

Info

Publication number: CN214418342U
Application number: CN202120613089.4U
Authority: CN
Inventors: 张振浩
Original assignee: Changzhou Shehua Technology Co ltd
Current assignee: Changzhou Shehua Technology Co ltd
Priority date: 2021-03-25
Filing date: 2021-03-25
Publication date: 2021-10-19
Anticipated expiration: 2031-03-25

Abstract

The application relates to a cylindrical grinding machine, which comprises a workbench and a sliding plate arranged on the workbench; the sliding plate is connected with the workbench in a sliding manner; the two ends of the top surface of the sliding plate are respectively connected with a first clamping assembly and a second clamping assembly, and a round pipe fitting is clamped between the first clamping assembly and the second clamping assembly; the top surface of the sliding plate is connected with a supporting component, and the supporting component comprises a supporting block; the top of supporting shoe is rotated and is connected with two and sets up the gyro wheel side by side, and each gyro wheel all contacts with pipe spare and the axis of each gyro wheel all is parallel with the axis of pipe spare. This application has the effect that the machining precision of improving cylindrical grinder is not high.

Description

Cylindrical grinding machine

Technical Field

The application relates to the technical field of circular tube piece processing, in particular to a cylindrical grinding machine.

Background

The cylindrical grinding machine is used for processing the outer surface and the shaft shoulder end surface of a cylindrical, conical or other workpiece; among all grinding machines, cylindrical grinding machines are the most widely used type of machine tools, and generally comprise a cast iron bed at the base, a table, a headstock and a tailstock for supporting and driving a workpiece to rotate, a grinding carriage for mounting a grinding wheel, a transverse feed mechanism for controlling the size of the ground workpiece, an electric appliance for controlling the movement of moving parts of the machine tool, a hydraulic device, and other main components.

For example, chinese patent No. CN211361633U discloses a cylindrical grinding machine, which includes: the workstation, the chuck claw, the apex seat, it is top, emery wheel support frame and emery wheel, wherein, the chuck is fixed in one side of workstation, and can rotate on the workstation, the chuck claw is a plurality of, one side and the periphery that are fixed in the chuck are located same circumference curved surface, be used for with the inner wall interference fit who treats the mill work piece, the apex seat sets up and can slide on the workstation with the chuck relatively, the apex is fixed in on the apex seat and coaxial with the circle that encloses by the chuck claw, be used for with the cooperation of chuck claw, the mill work piece is treated to the chucking, emery wheel support frame sets up in the side of chuck and apex seat, and can follow the axial translation of the work piece of treating after the installation, the emery wheel is fixed in the upper portion of emery wheel support frame, and can rotate under the drive of motor, be used for the grinding treats the mill work piece.

To the above-mentioned correlation technique, the inventor thinks that the pipe fitting is at the in-process of processing, and the middle part of overlength pipe fitting can be because of the effect of gravity downwarping, and the pipe fitting can take place the vibration when rotatory, leads to the middle part of pipe fitting probably can not always contact with the emery wheel, leads to the wall thickness at the both ends of the pipe fitting of processing and the wall thickness at middle part to have the difference for cylindrical grinder's machining precision is not high.

SUMMERY OF THE UTILITY MODEL

In order to improve the not high problem of machining precision of cylindrical grinder, this application provides a cylindrical grinder.

The application provides a cylindrical grinder adopts following technical scheme:

a cylindrical grinding machine comprises a workbench and a sliding plate arranged on the workbench; the sliding plate is connected with the workbench in a sliding manner; the two ends of the top surface of the sliding plate are respectively connected with a first clamping assembly and a second clamping assembly, and a round pipe fitting is clamped between the first clamping assembly and the second clamping assembly; the top surface of the sliding plate is connected with a supporting component, and the supporting component comprises a supporting block; the top of supporting shoe is rotated and is connected with two and sets up the gyro wheel side by side, each the gyro wheel all with the contact of pipe spare and the axis of each gyro wheel all is parallel with the axis of pipe spare.

Through adopting above-mentioned technical scheme, each gyro wheel all contacts with pipe spare, and each gyro wheel all plays supporting role to pipe spare for pipe spare can not be because of the action of gravity downwarping when placing, makes pipe spare rotationally more stable, thereby makes the wall thickness at the both ends of the pipe spare that processes out and the wall thickness at middle part more even, improves the not high problem of cylindrical grinder's machining precision.

Optionally, each roller is sleeved with a rubber pad.

Through adopting above-mentioned technical scheme, the rubber pad has increased the frictional force between gyro wheel and the pipe fitting for the gyro wheel takes place to rotate more easily, and reduces the wearing and tearing of gyro wheel to the pipe fitting.

Optionally, the roller is detachably connected with the supporting block.

Through adopting above-mentioned technical scheme, the gyro wheel can be dismantled with the supporting shoe and be connected, the dismantlement and the change of the rubber pad of being convenient for.

Optionally, an adjusting hole is formed in the top of the supporting block, and a vertical rod is connected in the adjusting hole in a sliding manner; the two rollers are respectively connected with the vertical rod; a vertical groove is formed in the side wall of the supporting block and communicated with the adjusting hole; be provided with between montant and the supporting shoe and be used for the locking subassembly of montant and supporting shoe locking, locking subassembly includes bolt and nut, the bolt is worn to locate vertical groove and montant and with nut threaded connection.

Through adopting above-mentioned technical scheme, the montant can slide along vertical direction in adjusting the hole to can adjust the height of gyro wheel, thereby can be applicable to the pipe fitting of different bores.

Optionally, a first elastic element is connected between the bottom of the vertical rod and the bottom wall of the adjusting hole.

Through adopting above-mentioned technical scheme, set up first elastic component between the bottom of montant and the diapire of regulation hole, when readjusting the height of montant, vertical ascending elasticity of orientation is given for the montant to first elastic component for the gyro wheel is constantly with pipe spare butt, reduces the regulation and accomplishes the discontiguous possibility of back gyro wheel and unit joint.

Optionally, a sliding groove is formed in the top surface of the sliding plate along the length direction of the round pipe fitting, and a sliding block is connected in the sliding groove in a sliding manner; the top of the sliding block is connected with the supporting block; the sliding block is attached to two inner side walls of the sliding groove; a blind hole is formed in the bottom wall of the sliding block, and a second elastic piece is arranged in the blind hole; one end of the second elastic piece is connected with the bottom wall of the blind hole, and the other end of the second elastic piece is connected with a ball; a plurality of hemispherical clamping grooves matched with the balls are formed in the bottom wall of the sliding groove, and the hemispherical clamping grooves are uniformly arranged along the length direction of the sliding groove; and one part of the ball is arranged in the blind hole, and the other part of the ball is arranged in one of the hemispherical clamping grooves.

Through adopting above-mentioned technical scheme, can set up the gyro wheel at the middle part of pipe fitting according to the length of actual pipe fitting.

Optionally, the supporting component and the sliding block are respectively provided with a plurality of sliding blocks, and the supporting component and the sliding blocks are in one-to-one correspondence.

Through adopting above-mentioned technical scheme, through setting up a plurality of supporting component, further reduce the pipe fitting because of the crooked possibility downwards of action of gravity.

Optionally, the second clamping assembly is slidably connected to the sliding plate; the second clamping assembly can slide along the length direction of the round pipe fitting.

Through adopting above-mentioned technical scheme, can be applicable to the pipe fitting of different length.

In summary, the present application includes at least one of the following beneficial technical effects:

1. each roller is contacted with the circular pipe, and each roller plays a supporting role for the circular pipe, so that the circular pipe cannot bend downwards due to the action of gravity when being placed, the circular pipe is more stable to rotate, the wall thickness of the two ends of the processed circular pipe and the wall thickness of the middle part of the processed circular pipe are uniform, and the problem of low processing precision of the cylindrical grinding machine is solved;

2. the rubber pad increases the friction force between the roller and the round pipe fitting, so that the roller is easier to rotate, and the abrasion of the roller to the round pipe fitting is reduced;

3. the vertical rod can slide in the adjusting hole along the vertical direction, so that the height of the roller can be adjusted, and the pipe fitting adjusting device can be suitable for round pipe fittings with different calibers.

Drawings

Fig. 1 is a schematic structural diagram of a cylindrical grinding machine according to an embodiment of the present application.

Fig. 2 is a schematic structural diagram showing a connection relationship between a sliding plate and a sliding block in the cylindrical grinding machine according to the embodiment of the present application.

Fig. 3 is a schematic structural diagram showing a connection relationship between a blind hole and a ball in the cylindrical grinding machine according to the embodiment of the present application.

Fig. 4 is a schematic structural diagram of a connecting pipe between a vertical rod and a supporting block in the cylindrical grinding machine according to the embodiment of the present application.

Fig. 5 is a schematic structural diagram showing a connection relationship between a first elastic member and a vertical rod in the cylindrical grinding machine according to the embodiment of the present application.

Description of reference numerals: 1. a work table; 2. a sliding plate; 3. a sliding groove; 4. a sliding block; 5. a first clamping assembly; 6. a second clamping assembly; 7. a round pipe fitting; 8. a screw rod; 9. a first drive motor; 10. a connecting ring; 11. a fixing plate; 12. a polishing device; 13. a retractable plate; 14. a second drive motor; 15. a grinding wheel; 16. a sliding groove; 17. a slider; 18. blind holes; 19. a second elastic member; 20. a ball bearing; 21. a hemispherical clamping groove; 22. a support assembly; 23. a support block; 24. a vertical rod; 25. a connecting plate; 26. an adjustment hole; 27. a first elastic member; 28. a vertical slot; 29. a locking assembly; 30. a bolt; 31. a nut; 32. a bearing seat; 33. a rotating shaft; 34. a tip; 35. an end cap; 36. a roller; 37. a rubber pad; 38. an adjustment groove; 39. an adjusting block; 40. a support plate; 41. and a cylinder.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses cylindrical grinder. Referring to fig. 1 and 2, the cylindrical grinding machine includes a table 1 and a sliding plate 2 disposed on the table 1, and the table 1 and the sliding plate 2 are both rectangular. The top of the working table 1 is provided with a sliding groove 3, and the cross section of the sliding groove 3 is in a dovetail shape. Be provided with in the groove 3 that slides and the sliding block 4 of groove 3 adaptation that slides, sliding block 4 can slide along its length direction in the groove 3 that slides, and sliding block 4 all laminates with two inside walls in groove 3 that slides. The top of the sliding block 4 is fixedly connected with the bottom of the sliding plate 2. The two ends of the sliding plate 2 in the length direction are sequentially provided with a first clamping component 5 and a second clamping component 6, a round pipe fitting 7 is clamped between the first clamping component 5 and the second clamping component 6 and can rotate around the axis of the round pipe fitting 7, and the first clamping component 5 and the second clamping component 6 are both in the prior art and are not described in detail herein.

Referring to fig. 1, one end of the top surface of a workbench 1 in the width direction is rotatably connected with a screw rod 8 through two bearing seats, a first driving motor 9 is arranged on the workbench 1, and a rotor of the first driving motor 9 is coaxially connected with one end of the screw rod 8. One end of the sliding plate 2 facing the screw rod 8 is fixedly connected with a connecting ring 10, and the screw rod 8 penetrates through the connecting ring 10 and is in threaded connection with the connecting ring 10. When the rotor of the first driving motor 9 rotates to drive the screw rod 8 to rotate, the connecting ring 10 slides along the length direction of the screw rod 8, so that the sliding plate 2 slides on the workbench 1 along the length direction of the screw rod 8.

The fixed plate 11 is fixedly connected to the outer side wall, close to the screw rod 8, of the workbench 1, and the fixed plate 11 is vertical. A grinding device 12 is arranged on the side wall of the fixing plate 11 close to the workbench 1, and the grinding device 12 comprises a telescopic plate 13, a second driving motor 14 and a grinding wheel 15. Expansion plate 13 is connected on the lateral wall that fixed plate 11 is close to workstation 1, and expansion plate 13 is the level setting, fixed connection second driving motor 14 on the top of expansion plate 13, second driving motor 14's rotor coaxial coupling emery wheel 15, emery wheel 15 and pipe spare 7 butt, and the distance between emery wheel 15 and the pipe spare 7 can be adjusted to expansion plate 13. The grinding device 12 is prior art and will not be described in detail herein.

When the round pipe 7 is clamped between the first clamping assembly 5 and the second clamping assembly 6 to rotate, the rotor of the first driving motor 9 and the rotor of the second driving motor 14 are started to rotate, the sliding plate 2 slides on the workbench 1 along the length direction of the screw rod 8, the grinding wheel 15 rotates, and the round pipe 7 is continuously contacted and ground.

Referring to fig. 2, a sliding groove 16 is formed in the top of the sliding plate 2 along the length direction of the circular tube 7, the cross section of the sliding groove 16 is dovetail-shaped, a plurality of sliding blocks 17 matched with the sliding groove 16 are connected in the sliding groove 16 in a sliding mode, and the sliding blocks 17 are also dovetail-shaped. The lateral wall of each sliding block 17 all laminates with the inside wall of sliding tray 16, and each sliding block 17 homoenergetic slides along its length direction in sliding tray 16.

Referring to fig. 2 and 3, a plurality of blind holes 18 are formed in the bottom wall of each sliding block 17, the blind holes 18 are uniformly arranged along the length direction of the sliding groove 16, a second elastic member 19 is arranged in each blind hole 18, one end of each second elastic member 19 is fixedly connected with the bottom wall of the corresponding blind hole 18, and balls 20 are fixedly connected to the other ends of the second elastic members. The bottom wall of the sliding groove 16 is provided with a plurality of hemispherical clamping grooves 21 matched with the balls 20, and the hemispherical clamping grooves 21 are uniformly arranged along the length direction of the sliding groove 16. One half of each ball 20 is in one of the blind holes 18 and the other half is in one of the hemispherical pockets 21.

Referring to fig. 4 and 5, a supporting member 22 is fixedly connected to the top of each sliding block 17, the structure of each supporting member 22 is the same, and the structure of the supporting member 22 is described below by taking one supporting member 22 as an example. The supporting component 22 comprises a supporting block 23, a vertical rod 24 and a connecting plate 25 which are arranged from bottom to top. The top of supporting shoe 23 is seted up along vertical direction and is adjusted the hole 26, and the montant 24 is worn to locate in adjusting the hole 26, and can slide along its length direction in adjusting the hole 26. A first elastic member 27 is fixedly connected between the bottom of the vertical rod 24 and the bottom wall of the adjusting hole 26. Vertical grooves 28 are formed in two side walls of the supporting block 23 in the width direction of the sliding plate 2, and each vertical groove 28 is communicated with the adjusting hole 26. The stem 24 is connected to the mounting block by a locking assembly 29. the locking assembly 29 includes a bolt 30 and a nut 31. the bolt 30 extends through the vertical slot 28 and the stem 24 and is threadedly engaged with the nut 31.

Referring to fig. 5, the top of the connecting plate 25 is provided with one fixing assembly at each end in the width direction of the sliding plate 2, each fixing assembly including two bearing seats 32. The two bearing blocks 32 of each fixed component are provided with a rotating shaft 33 in a penetrating way, and each rotating shaft 33 is rotatably connected with the corresponding bearing block 32. The equal fixedly connected with end 34 of one end of each pivot 33, other end threaded connection have an end cover 35, all overlap on each pivot 33 and be equipped with gyro wheel 36, and each gyro wheel 36 all sets up along the length direction of sliding tray 16. Each roller 36 is sleeved with a rubber pad 37, and each rubber pad 37 abuts against the circular tube 7.

When the rubber pad 37 is damaged and needs to be replaced, the end cap 35 is rotated so as to be separated from the head 34, the head 34 is pulled out, the roller 36 is removed, and the rubber pad 37 thereon is replaced.

Referring to fig. 1 and 2, an adjusting groove 38 is formed in the sliding plate 2 and located on both sides of the sliding groove 16, the cross section of each adjusting groove 38 is dovetail-shaped, an adjusting block 39 adapted to the adjusting groove 38 is disposed in each adjusting groove 38, and each adjusting block 39 can slide in the corresponding adjusting groove 38 along the length direction thereof. The top of each adjusting block 39 is fixedly connected with the bottom of the second clamping assembly 6. Fixedly connected with layer board 40 on the workstation 1, fixedly connected with cylinder 41 on the layer board 40, the piston rod of cylinder 41 and the one end butt of keeping away from first centre gripping subassembly 5 of second centre gripping subassembly 6. When the piston rod of the air cylinder 41 moves in a direction to approach the second clamping assembly 6, the second clamping assembly 6 can move in a direction to approach the first clamping assembly 5.

The implementation principle of the cylindrical grinding machine in the embodiment of the application is as follows:

when the round pipe fitting 7 needs to be polished, the air cylinder 41 is started according to the length of the round pipe fitting 7, and the piston rod of the air cylinder 41 pushes the second clamping assembly 6 to move, so that the distance between the first clamping assembly 5 and the second clamping assembly 6 is adjusted.

Firstly, the round pipe 7 is placed between the first clamping assembly 5 and the second clamping assembly 6, and the first clamping assembly 5 and the second clamping assembly 6 stretch and contract to clamp the round pipe 7 between the first clamping assembly 5 and the second clamping assembly 6. Then, the bolt 30 and the nut 31 of each locking assembly 29 are loosened, and the height of the vertical rod 24 in the corresponding adjusting hole 26 is adjusted, so that each rubber pad 37 abuts against the circular tube 7, and each rubber pad 37 is deformed. And then, the sliding blocks 17 are used for uniformly arranging the sliding blocks 17 along the length direction of the sliding groove 16 and ensuring that the roller 36 on one sliding block 17 is abutted against the middle part of the circular tube 7.

And the first clamping assembly 5 and the second clamping assembly 6 are restarted to enable the round pipe fitting 7 to rotate, the rotating shaft 33 of the first driving motor 9 and the rotating shaft 33 of the second driving motor 14 are restarted to rotate, the sliding plate 2 slides on the workbench 1 along the length direction of the screw rod 8, the grinding wheel 15 rotates, and the round pipe fitting 7 is continuously polished in a contact alignment mode.

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

Claims

1. A cylindrical grinding machine comprises a workbench (1) and a sliding plate (2) arranged on the workbench (1); the sliding plate (2) is connected with the workbench (1) in a sliding manner; the two ends of the top surface of the sliding plate (2) are respectively connected with a first clamping component (5) and a second clamping component (6), and a round pipe fitting (7) is clamped between the first clamping component (5) and the second clamping component (6); the method is characterized in that: the top surface of the sliding plate (2) is connected with a supporting component (22), and the supporting component (22) comprises a supporting block (23); the top of the supporting block (23) is rotatably connected with two rollers (36) which are arranged in parallel, each roller (36) is in contact with the round pipe fitting (7), and the axis of each roller (36) is parallel to the axis of the round pipe fitting (7).

2. A cylindrical grinding machine according to claim 1, characterised in that: each roller (36) is sleeved with a rubber pad (37).

3. A cylindrical grinding machine according to claim 2, characterised in that: the roller (36) is detachably connected with the supporting block (23).

4. A cylindrical grinding machine according to claim 1, characterised in that: the top of the supporting block (23) is provided with an adjusting hole (26), and a vertical rod (24) is connected in the adjusting hole (26) in a sliding manner; the two rollers (36) are respectively connected with the vertical rod (24); a vertical groove (28) is formed in the side wall of the supporting block (23), and the vertical groove (28) is communicated with the adjusting hole (26); be provided with between montant (24) and supporting shoe (23) and be used for locking subassembly (29) of montant (24) and supporting shoe (23), locking subassembly (29) are including bolt (30) and nut (31), vertical slot (28) and montant (24) and with nut (31) threaded connection are worn to locate by bolt (30).

5. The cylindrical grinding machine of claim 4, wherein: a first elastic piece (27) is connected between the bottom of the vertical rod (24) and the bottom wall of the adjusting hole (26).

6. A cylindrical grinding machine according to claim 1, characterised in that: the top surface of the sliding plate (2) is provided with a sliding groove (16) along the length direction of the round pipe fitting (7), and the sliding groove (16) is connected with a sliding block (17) in a sliding way; the top of the sliding block (17) is connected with the supporting block (23); the sliding block (17) is attached to two inner side walls of the sliding groove (16); a blind hole (18) is formed in the bottom wall of the sliding block (17), and a second elastic piece (19) is arranged in the blind hole (18); one end of the second elastic piece (19) is connected with the bottom wall of the blind hole (18), and the other end of the second elastic piece is connected with a ball (20); a plurality of hemispherical clamping grooves (21) matched with the balls (20) are formed in the bottom wall of the sliding groove (16), and the hemispherical clamping grooves (21) are uniformly arranged along the length direction of the sliding groove (16); the ball (20) is partially arranged in the blind hole (18) and partially arranged in one of the hemispherical clamping grooves (21).

7. The cylindrical grinding machine of claim 5, wherein: supporting component (22) and sliding block (17) all set up a plurality of, and supporting component (22) and sliding block (17) one-to-one.

8. A cylindrical grinding machine according to claim 1, characterised in that: the second clamping component (6) is connected with the sliding plate (2) in a sliding manner; the second clamping assembly (6) can slide along the length direction of the round pipe fitting (7).