CN217966487U

CN217966487U - Grinding wheel assembly and polishing machine

Info

Publication number: CN217966487U
Application number: CN202222322058.0U
Authority: CN
Inventors: 徐宝国; 张春捷
Original assignee: China First Heavy Industries Co Ltd; CFHI Dalian Engineering and Technology Co Ltd
Current assignee: China First Heavy Industries Co Ltd; CFHI Dalian Engineering and Technology Co Ltd
Priority date: 2022-09-01
Filing date: 2022-09-01
Publication date: 2022-12-06
Anticipated expiration: 2032-09-01

Abstract

The utility model provides a grinding wheel assembly and burnishing machine relates to burnishing machine technical field, and grinding wheel assembly includes emery wheel, damping piece and connecting piece, the damping piece be used for set up in the emery wheel with between the transmission shaft, the emery wheel is used for passing through the connecting piece is connected on the transmission shaft, and be used for with the damping piece press from both sides tightly in the emery wheel with between the transmission shaft. The utility model discloses a grinding wheel assembly compares in prior art, not only can reduce the vibration that produces among the burnishing machine rolling process, can also improve the life of emery wheel.

Description

Grinding wheel assembly and polishing machine

Technical Field

The utility model relates to a burnishing machine technical field particularly, relates to a grinding wheel assembly and burnishing machine.

Background

The grinding wheel assembly is used as a necessary assembly of a polishing machine, such as a working roll online polishing machine, and is used for cleaning the surface of a working roll, when the working roll is used for a certain time, the surface of the working roll is provided with grinding marks, adhered substances and the like, so that the surface finish of the working roll is reduced, the surface quality of strip steel is influenced, in order to improve the surface quality of a steel plate, the working roll online polishing machine is arranged on a hot rolling mill frame, the working roll is polished online, the grinding wheel assembly of the polishing machine is driven by a hydraulic motor to rotate, the feeding hydraulic cylinder drives the grinding wheel assembly to be pressed on the surface of the working roll, and the transverse hydraulic cylinder drives the grinding wheel assembly to reciprocate axially along the roll.

However, the rolls sometimes produce certain vibrations during rolling, which can affect the quality of the finish and also the useful life of the grinding wheels in the grinding wheel assembly.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the problem that will solve is: how to reduce the vibration generated during the use of the polishing machine.

The utility model provides a grinding wheel assembly for the burnishing machine, grinding wheel assembly includes: the vibration reduction device comprises a grinding wheel, a vibration reduction piece and a connecting piece, wherein the vibration reduction piece is arranged between the grinding wheel and a transmission shaft of the polishing machine, the grinding wheel is connected to the transmission shaft through the connecting piece, and the vibration reduction piece is clamped between the grinding wheel and the transmission shaft.

The utility model provides a pair of grinding wheel assembly compares in prior art, has but not be limited to following beneficial effect:

grinding wheel assembly, be used for the burnishing machine, for example on the transmission shaft of the online burnishing machine of working roll, the emery wheel can be connected on the transmission shaft of the online burnishing machine of working roll through the connecting piece, damping piece sets up between the transmission shaft of the online burnishing machine of emery wheel and working roll, make the end face contact of its one side and the transmission shaft of the online burnishing machine of working roll, its another side and emery wheel are towards the surface contact of transmission shaft, can press from both sides damping piece tightly between the transmission shaft of emery wheel and the online burnishing machine of working roll through the connecting piece, through the distance between connecting piece adjustment emery wheel and the transmission shaft, the damping piece that is located between emery wheel and the transmission shaft still has sufficient elasticity, can absorb the vibration that the roll produced in the work. Compared with the prior art, the utility model, not only can reduce the vibration that produces among the burnishing machine rolling process, can also improve the life of emery wheel.

Optionally, a first hole structure penetrating through the grinding wheel is arranged on the grinding wheel, and the connecting piece is used for penetrating through the first hole structure and is connected with the transmission shaft.

Optionally, the connecting piece includes pretension piece and interconnect's pole body and head, the pole body be used for passing first pore structure with the transmission shaft, the head be used for the butt in the transmission shaft, be equipped with the through-hole that runs through on the pretension piece, the inner wall of through-hole is equipped with the internal thread, the pole body be equipped with female screw-thread fit's external screw thread, the pretension piece pass through the internal thread with the external screw thread with pole body threaded connection.

Optionally, the connecting member further includes a washer, and the washer is used for sleeving the rod body and is located between the preload member and the transmission shaft.

Optionally, the first hole structure is a stepped hole, the head is in a stepped structure, and the head is used for being connected with the stepped hole in a matched manner.

Optionally, the head includes a first step for abutting against the stepped hole and a second step for contacting the transmission shaft in the axial direction of the grinding wheel.

Optionally, the first hole structures are provided in plurality, and the first hole structures are uniformly distributed on the grinding wheel along the circumference of the grinding wheel.

Optionally, the damping member is a rubber damping pad.

Optionally, the grinding wheel assembly further comprises a positioning pin, a second hole structure penetrating through the grinding wheel is arranged on the grinding wheel, and the positioning pin is used for penetrating through the second hole structure and is connected to the transmission shaft.

Additionally, the utility model also provides a burnishing machine, include as before the grinding wheel assembly.

Since the technical improvement of the polishing machine and the technical effect obtained are the same as those of the grinding wheel assembly, the technical effect of the polishing machine will not be described in detail.

Drawings

FIG. 1 is a schematic structural diagram of a grinding wheel assembly according to an embodiment of the present invention;

fig. 2 isbase:Sub>A cross-sectional view taken along linebase:Sub>A-base:Sub>A of fig. 1.

Description of reference numerals:

1. a grinding wheel; 11. a first pore structure; 12. a second pore structure; 2. a vibration damping member; 3. a connecting member; 31. pre-tightening piece; 32. a shaft body; 33. a head; 331. a first step; 332. a second step; 34. a gasket; 4. positioning pins; 01. a drive shaft.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

In the description of the present invention, it is to be understood that the terms "left", "right", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings only for convenience of description of the present invention and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Also, the X-axis in the drawing indicates a lateral direction, i.e., a left-right position, and a positive direction of the X-axis (i.e., an arrow direction of the X-axis) indicates a left direction, and a negative direction of the X-axis (i.e., a direction opposite to the positive direction of the X-axis) indicates a right direction.

It should also be noted that the foregoing X-axis representation is meant only to facilitate the description of the invention and to simplify the description, and is not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be considered limiting of the invention.

As shown in fig. 1-2, the utility model discloses a grinding wheel assembly for burnishing machine, grinding wheel assembly includes: the vibration-damping grinding wheel comprises a grinding wheel 1, a vibration-damping part 2 and a connecting part 3, wherein the vibration-damping part 2 is arranged between the grinding wheel 1 and a transmission shaft 01 of the polishing machine, the grinding wheel 1 is connected to the transmission shaft 01 through the connecting part 3, and the vibration-damping part 2 is clamped between the grinding wheel 1 and the transmission shaft 01.

In this embodiment, as shown in fig. 1 and fig. 2, the grinding wheel assembly is used in a polishing machine, for example, a transmission shaft 01 of an online polishing machine for a work roll, specifically, a grinding wheel 1 can be connected to the transmission shaft 01 of the online polishing machine for the work roll through a connecting part 3, a vibration damping part 2 is disposed between the grinding wheel 1 and the transmission shaft 01 of the online polishing machine for the work roll, such that one surface of the vibration damping part is in contact with an end surface of the transmission shaft 01 of the online polishing machine for the work roll, and the other surface of the vibration damping part is in contact with a surface of the grinding wheel 1 facing the transmission shaft 01, the vibration damping part 2 can be clamped between the grinding wheel 1 and the transmission shaft 01 of the online polishing machine for the work roll through the connecting part 3, and the distance between the grinding wheel 1 and the transmission shaft 01 is adjusted through the connecting part 3, and the vibration damping part 2 between the grinding wheel 1 and the transmission shaft 01 still has sufficient elasticity to absorb vibration generated by the roll during operation. Compared with the prior art, the utility model, not only can reduce the vibration that produces in the rolling process of burnishing machine, can also improve emery wheel 1's life. The grinding wheel 1 has a base body made of metal, an abrasive layer made of cubic boron nitride abrasive grains bonded by a special bonding agent, and the abrasive layer is a working surface and used for polishing and is bonded on the base body.

In the working process, the transmission shaft 01 of the working roll online polishing machine can be an integrally formed transmission shaft with a boss structure, namely, the grinding wheel 1 can be connected to the boss of the transmission shaft 01 through the connecting piece 3. It should be noted that, a certain gap is formed between the end face of the grinding wheel 1 installed in the outer circle of the counterbore of the transmission shaft 01 and the bottom face of the counterbore of the transmission shaft 01, the gap is larger than the elastic deformation generated when the vibration damping piece 2 is vibrated, wherein the vibration damping piece 2 can be a rubber vibration damping pad with certain pressure bearing capacity and elasticity, and the rubber vibration damping pad generates set deformation after being assembled, is in a stable state, and can still generate enough elastic deformation after being vibrated.

In other embodiments, a flange can be fixedly mounted on the drive shaft 01, i.e. the grinding wheel 1 can be connected to the flange via the connecting element 3.

Optionally, a first hole structure 11 is provided through the grinding wheel 1, and the connecting member 3 is configured to pass through the first hole structure 11 and be connected with the transmission shaft 01.

In this embodiment, referring to fig. 2, the first hole structure 11 may be a through hole, and the connecting member 3 may be a bolt and nut assembly, that is, the grinding wheel 1 and the transmission shaft 01 may be tightly connected by passing the bolt through the first hole structure 11 and the transmission shaft 01, and by turning the nut in the opposite direction of the X-axis, the bolt and the bolt are cooperatively connected.

In other embodiments, the first hole structure 11 may be a threaded through hole, and the connecting member 3 may be a screw, and the screw is matched with the threaded through hole to connect the grinding wheel 1 and the transmission shaft 01 together.

Optionally, the connecting member 3 includes a preload member 31, and a shaft 32 and a head 33 connected to each other, the shaft 32 is configured to pass through the first hole structure 11 and the transmission shaft 01, the head 33 is configured to abut against the transmission shaft 01, a through hole is formed in the preload member 31, an inner wall of the through hole is provided with an internal thread, the shaft 32 is provided with an external thread matching with the internal thread, and the preload member 31 is in threaded connection with the shaft 32 through the internal thread and the external thread.

In this embodiment, referring to fig. 2, the shaft 32 may be a threaded rod, the head 33 may be a boss structure with a diameter larger than that of the shaft 32, the shaft 32 and the head 33 function like a bolt, the preload member 31 may be a nut cooperatively connected with the bolt, that is, the shaft 32 penetrates through the grinding wheel 1 and the transmission shaft 01, and the preload member 31 may be screwed into the shaft 32 from left to right (X-axis direction), so as to connect the grinding wheel 1 and the transmission shaft 01 together.

Optionally, the connecting member 3 further comprises a washer 34, and the washer 34 is used for being sleeved on the shaft 32 and is located between the preload member 31 and the transmission shaft 01.

In the present embodiment, as shown in fig. 2, the washer 34 may be a spring washer, and the washer 34 may apply a force to the preload member 31 after the preload member 31 is tightened, so as to increase the friction force between the preload member 31 and the shaft 32, thereby preventing the preload member 31 and the shaft 32 from being loosened due to vibration of the apparatus in operation.

Optionally, the first hole structure 11 is a stepped hole, and the head 33 is a stepped structure, and the head 33 is used for being matched and connected with the stepped hole.

In this embodiment, referring to fig. 2, the length of the part of the connecting member 3 engaged with the grinding wheel 1 is greater than the thickness of the grinding wheel 1, the head 33 may be a stepped shaft structure with a shoulder, and the head 33 abuts against the stepped hole when the preload is applied to the preload member 31.

In other embodiments, the connection 3 may be a non-standard part made of high strength alloy steel, with a strength rating of 8.8, the non-threaded part being a stepped shaft.

Optionally, the head 33 includes a first step 331 and a second step 332, the first step 331 is configured to abut against the stepped hole, and the second step 332 is configured to contact the transmission shaft 01 in the axial direction of the grinding wheel 1.

In this embodiment, referring to fig. 2, when the preload element 31 applies the preload force, the first step 331 abuts against the first hole structure 11, and the end surface of the shoulder of the second step 332 is abutted against the end surface of the transmission shaft 01, so as to ensure that the damping element 2 is not compressed infinitely.

Optionally, the first hole structures 11 are provided in plurality, and a plurality of the first hole structures 11 are uniformly distributed on the grinding wheel 1 along the circumference of the grinding wheel 1.

In this embodiment, as shown in fig. 1 and fig. 2, the first hole structures 11 may be uniformly distributed in a plurality along the circumferential direction of the grinding wheel 1, that is, one connecting member 3 is correspondingly disposed on each first hole structure 11 to ensure that the grinding wheel 1 is stably connected to the transmission shaft 01. In fig. 1, four embodiments of the first hole structure 11 are shown, four preload members 31 are required to be tightened according to a set preload force, and the four preload members 31 should be uniformly applied with force, gradually tightened with force, and symmetrically applied with force. Of course, the number of the first hole structures 11 may be adjusted independently according to actual working conditions, and is not limited herein.

Alternatively, the damping member 2 is a rubber damping pad.

In this embodiment, the damping member 2 may be a rubber damping pad made of natural rubber, having sufficient pressure-bearing capacity and elasticity, mounted on the back of the grinding wheel 1, and set to deform after assembly, and in a stable state, and still capable of generating sufficient elastic deformation after being subjected to vibration.

Optionally, this grinding wheel assembly still includes locating pin 4, is equipped with the second pore structure 12 that runs through on the emery wheel 1, and locating pin 4 is used for passing second pore structure 12, and connects on transmission shaft 01.

In this embodiment, referring to fig. 1 and 2, the second hole structure may be a through hole, and the positioning pin 4 is first mounted on the transmission shaft 01 of the on-line polishing machine, then the vibration damping member 2 is mounted to contact one surface of the transmission shaft 01 of the on-line polishing machine, and then the grinding wheel 1 is mounted on the transmission shaft 01 of the on-line polishing machine through the connecting member 3.

In other embodiments, the second hole structure 12 may be provided in plurality, that is, one positioning pin 4 is correspondingly provided at each second hole structure 12, so as to ensure accurate positioning of the grinding wheel 1. Fig. 1 shows an embodiment with two second hole structures 12, however, the number of the second hole structures 12 can be adjusted independently according to actual working conditions, and is not limited herein.

Optionally, the positioning pin 4 is used for interference connection with the transmission shaft 01.

In this embodiment, the positioning pin 4 is connected to the transmission shaft 01 by interference fit, so that the positioning accuracy can be ensured.

Additionally, the utility model also provides a burnishing machine, including the emery wheel subassembly as before.

The terms "first" and "second" are used for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" and "second" may explicitly or implicitly include at least one of the feature.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the disclosure, and these changes and modifications are intended to fall within the scope of the disclosure.

Claims

1. A grinding wheel assembly for a polishing machine, the grinding wheel assembly comprising: the vibration reduction device comprises a grinding wheel (1), a vibration reduction piece (2) and a connecting piece (3), wherein the vibration reduction piece (2) is arranged between the grinding wheel (1) and a transmission shaft (01) of the polishing machine, the grinding wheel (1) is connected to the transmission shaft (01) through the connecting piece (3), and the vibration reduction piece (2) is clamped between the grinding wheel (1) and the transmission shaft (01).

2. A grinding wheel assembly according to claim 1, characterized in that the grinding wheel (1) is provided with a first hole structure (11) therethrough, and the connecting element (3) is adapted to pass through the first hole structure (11) and be connected to the drive shaft (01).

3. The grinding wheel assembly according to claim 2, characterized in that the connecting piece (3) comprises a preload element (31) and a shank (32) and a head (33) connected to each other, the shank (32) being intended to pass through the first bore (11) and the drive shaft (01), the head (33) being intended to abut against the drive shaft (01), the preload element (31) being provided with a through-hole therethrough, the inner wall of the through-hole being provided with an internal thread, the shank (32) being provided with an external thread cooperating with the internal thread, the preload element (31) being in threaded connection with the shank (32) via the internal thread and the external thread.

4. A grinding wheel assembly according to claim 3, characterized in that the connection (3) further comprises a washer (34), the washer (34) being intended to be fitted over the shank (32) and being located between the preload member (31) and the transmission shaft (01).

5. A grinding wheel assembly according to claim 3, characterized in that the first bore configuration (11) is a stepped bore and the head (33) is of stepped configuration, the head (33) being adapted for mating connection with the stepped bore.

6. The grinding wheel assembly according to claim 5, characterized in that said head (33) comprises a first step (331) and a second step (332), said first step (331) being intended to abut against said stepped hole, said second step (332) being intended to be in contact with said drive shaft (01) in the axial direction of said grinding wheel (1).

7. A grinding wheel assembly according to claim 2, characterized in that said first hole structure (11) is provided in plurality, a plurality of said first hole structures (11) being uniformly provided on said grinding wheel (1) along the circumference of said grinding wheel (1).

8. Grinding wheel assembly according to claim 1, characterized in that the damping element (2) is a rubber damping pad.

9. The grinding wheel assembly according to claim 1, characterized in that the grinding wheel assembly further comprises a positioning pin (4), a second hole structure (12) is arranged on the grinding wheel (1) in a penetrating manner, and the positioning pin (4) is used for penetrating through the second hole structure (12) and is connected to the transmission shaft (01).

10. A polishing machine comprising a wheel assembly according to any one of claims 1 to 9.