CN111515862B

CN111515862B - Grinding wheel dressing device

Info

Publication number: CN111515862B
Application number: CN201910037165.9A
Authority: CN
Inventors: 杨明
Original assignee: Hengyang Yuzhan Precision Technology Co Ltd
Current assignee: Fulian Yuzhan Technology Hengyang Co ltd
Priority date: 2019-01-15
Filing date: 2019-01-15
Publication date: 2021-12-07
Anticipated expiration: 2039-01-15
Also published as: CN111515862A

Abstract

The invention provides a grinding wheel dressing device, which is used for dressing a grinding wheel and comprises a shell, a grinding wheel driving mechanism and a dressing mechanism, wherein the grinding wheel driving mechanism is arranged on one side of the shell, the grinding wheel is fixedly connected to the power output end of the grinding wheel driving mechanism, the dressing mechanism comprises a dressing piece and a dressing pushing piece, and the dressing pushing piece is arranged in the shell and can push the dressing piece to move towards the grinding wheel so as to dress the grinding wheel. The grinding wheel dressing device provided by the invention pushes the dressing part to move towards the grinding wheel through the dressing pushing part so as to dress the grinding wheel; and the distance between the trimming part and the trimming part of the grinding wheel can be adjusted through the trimming pushing part, so that the trimming device can adapt to the trimming of the grinding wheels with various specifications. The invention has simple operation and high efficiency.

Description

Grinding wheel dressing device

Technical Field

The invention relates to the technical field of grinding, in particular to a grinding wheel dressing device.

Background

A grinding machine is a machine tool that grinds the surface of a workpiece using a grinding tool. The grinding wheel is an important component of a grinding machine, is generally used for grinding various mechanical parts, and is in the shape of a circular disc with a smooth surface and uniform thickness, and the central part of the disc is provided with a hole so as to be arranged on a high-speed rotating shaft. After a period of operation, the wheel should be dressed to restore grinding performance and correct geometry.

Traditional emery wheel is maintained and is maintained the emery wheel by the hand-held diamond of experienced skilled worker, because manual operation, often can consume more time and go to make the emery wheel to artifical needs many times to measure and repair repeatedly, wastes time and energy, and the maintenance of the emery wheel of different specifications has higher requirement to skilled worker's operation level moreover.

Disclosure of Invention

In view of the above, it is desirable to provide a grinding wheel truing apparatus with simple operation and high efficiency to solve the above problems.

The invention provides a grinding wheel dressing device, which is used for dressing a grinding wheel and comprises a shell, a grinding wheel driving mechanism and a dressing mechanism, wherein the grinding wheel driving mechanism is arranged on one side of the shell, the grinding wheel is fixedly connected to the power output end of the grinding wheel driving mechanism, the dressing mechanism comprises a dressing piece and a dressing pushing piece, and the dressing pushing piece is arranged in the shell and can push the dressing piece to move towards the grinding wheel so as to dress the grinding wheel.

Compared with the prior art, the grinding wheel dressing device pushes the dressing part to move towards the grinding wheel through the dressing pushing part so as to dress the grinding wheel; and the distance between the trimming part and the trimming part of the grinding wheel can be adjusted through the trimming pushing part, so that the trimming device can adapt to the trimming of the grinding wheels with various specifications. The invention has simple operation and high efficiency.

Drawings

Fig. 1 is a schematic full-sectional view of a grinding wheel dressing apparatus in an embodiment of the present invention.

Fig. 2 is a sectional view in the direction II of the wheel dresser of fig. 1.

Fig. 3 is a partially enlarged schematic view at III of the wheel dresser apparatus of fig. 1.

Fig. 4 is a partially enlarged schematic view at IV of the wheel truing apparatus of fig. 1.

Description of the main elements

The following detailed description will further illustrate the invention in conjunction with the above-described figures.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only partial embodiments of the present invention, and not full embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 2, an embodiment of the present invention provides a grinding wheel dressing apparatus 100 for dressing a grinding wheel 200, the grinding wheel 200 is approximately a disk with a smooth surface and a uniform thickness, the central portion of the grinding wheel is provided with a hole for being mounted on a shaft rotating at a high speed, and two opposite sides of the grinding wheel 200 are provided with a plurality of clamping grooves 210 recessed toward the inside of the grinding wheel 200. In this embodiment, the number of the clamping grooves 210 on each side of the grinding wheel 200 is 3, and the clamping grooves are arranged at intervals around the opening of the grinding wheel 200. The grinding wheel dresser 100 includes a housing 10, a grinding wheel driving mechanism 20, a dresser mechanism 30, a moving mechanism 40, and a positioning mechanism 50.

Referring to fig. 4, the housing 10 has a receiving cavity, the grinding wheel driving mechanism 20 is disposed at one side of the housing 10, the grinding wheel 200 to be dressed is fixed on the power output end of the grinding wheel driving mechanism 20, and the grinding wheel driving mechanism 20 can drive the grinding wheel 200 to rotate. The dressing mechanism 30 includes a dressing member 31 and a dressing pushing member 32, which are provided in the housing 10 and located on the lower side of the grinding wheel 200, and the dressing pushing member 32 can push the dressing member 31 to move toward the grinding wheel 200. The moving mechanism 40 comprises a moving member 41 and a moving driving member 42 which are arranged in the housing 10 and positioned at one side of the dressing mechanism 30; one end of the moving member 41 is connected with a movable driving member 42, and the movable driving member 42 can drive the moving member 41 to move towards the dressing mechanism 30 so that the moving member 41 pushes the dressing pushing member 32 to move; the other end of the moving member 41 is provided with a positioning mechanism 50, the positioning mechanism 50 comprises a supporting member 52 and a rotating member 53, the supporting member 52 is connected to one side of the moving member 41 close to the grinding wheel 200, the rotating member 53 is rotatably connected to one side of the supporting member 52 close to the grinding wheel 200, a plurality of clamping portions 531 are arranged at intervals on one side of the rotating member 53 close to the grinding wheel 200, the clamping portions 231 are matched with the clamping grooves 210 on the grinding wheel 200, and the movable driving member 42 can drive the positioning mechanism 50 on the moving member 41 to move towards the grinding wheel 200 so that the clamping portions 531 on the rotating member 53 are abutted against the clamping grooves 210 of the grinding wheel 200.

Referring to fig. 1 and 2, the housing 10 is a nearly rectangular parallelepiped structure surrounded by side plates and a bottom plate, and a cover plate 11 is hinged to the housing.

The grinding wheel drive mechanism 20 includes a grinding wheel drive 21, a bracket 22, and a retaining ring 23. The grinding wheel driving part 21 is fixed on the outer side of the housing 10 through the bracket 22, the power output shaft of the grinding wheel driving part 21 penetrates through the side plate of the housing 10 and partially extends into the housing 10, and the grinding wheel 200 is sleeved on the part of the power output shaft of the grinding wheel driving part 21 extending into the housing 10. The positioning ring 23 is arranged on the power output shaft of the grinding wheel driving part 21 and positioned between the side plate of the shell 10 and the grinding wheel 200, the positioning ring 23 is fixedly connected to the power output shaft through a thread structure, and a protrusion 231 matched with the clamping groove 210 on the grinding wheel 200 is arranged on one side of the positioning ring 23 close to the grinding wheel 200. In this embodiment, the grinding wheel driving member 21 is a motor, the positioning ring 23 is a flange, and the protrusion 231 is approximately a hemisphere.

It will be appreciated that in other embodiments, the grinding wheel drive 21 may be provided within the housing 10.

Referring to fig. 3, the dressing member 31 is approximately arc-shaped, and a dressing groove 311 corresponding to the outer end surface of the grinding wheel 200 is formed in the dressing member 31. In this embodiment, the dressing member 31 is made of artificial diamond. The cross section of the trimming groove of the trimming member 31 has an inverted trapezoidal shape.

It is understood that, in other embodiments, the cross section of the trimming groove 311 of the trimming member 31 may also be V-shaped, circular arc-shaped, bevel-shaped or irregular, but is not limited thereto.

The finishing pusher 32 comprises a body 321, a first pushing member 322, a second pushing member 323 and fillers (not shown) provided on the bottom plate of the casing. The body 321 is approximately L-shaped and has an L-shaped hollow cavity 3211 inside, the hollow cavity 3211 includes a first cavity segment 3212 and a second cavity segment 3213, an axis of the first cavity segment 3212 extends along the X-axis direction, and an axis of the second cavity segment 3213 extends along the Y-axis direction. The first cavity segment 3212 is communicated with the second cavity segment 3213 and is vertically disposed, and a portion of the first cavity segment 3212 overlapped with the second cavity segment 3213 belongs to the first cavity segment 3212. The first pushing member 322 is disposed in a sealing manner and movably in the first cavity segment 3212, and the second pushing member 323 is disposed in a sealing manner and movably in the second cavity segment 3213. The filler is located between the first pushing member 322 and the second pushing member 323. In this embodiment, the filler is compressed air.

It is understood that in other embodiments, the filler may be a flowable liquid or solid particulate, but is not limited thereto.

The first push member 322 includes a first piston 3221, a first piston rod 3222, a first elastic portion 3223, and a connecting portion 3224. The first piston 3221 is sealingly and movably disposed in a first chamber segment 3212 within the body 321. One end of the first piston rod 3222 is connected to the first piston 3221, and the other end of the first piston rod 3222 extends out of the corresponding end of the body 321. One end of the first elastic portion 3223 abuts against one side of the first piston 3221, and the other end of the first elastic portion 3223 abuts against the corresponding end of the body 321. The connecting portion 3224 is approximately block-shaped, and the connecting portion 3224 is fixed to an end of the first piston rod 3222 away from the first piston 3221. In the present embodiment, the number of the first piston rods 3222 is 2 and the first piston rods are arranged at intervals. The first elastic portion 3223 is a spring sleeved on the first piston rod 3222.

It is understood that in other embodiments, the first resilient portion 3223 may not be sleeved on the first piston rod 3222.

It is understood that in other embodiments, the connection portion 3224 may be omitted.

The second pushing member 323 includes a second piston 3231, a second piston rod 3232, and a second elastic part 3233. The second piston 3231 is sealingly and movably arranged in a second cavity segment 3213 within the body 321. One end of the second piston rod 3232 is connected to the second piston 3231, the other end of the second piston rod 3232 extends out of the corresponding end of the body 321, and the portion of the second piston rod 3232 extending out of the corresponding end of the body 321 is connected to the trimming member 31. One end of the second elastic portion 3233 abuts against one side of the second piston 3231, and the other end of the second elastic portion 3233 abuts against the corresponding end of the body 321. In the present embodiment, the number of the second piston rods 3232 is 2 and the second piston rods are spaced apart from each other. The second elastic portion 3233 is a spring sleeved on the second piston rod 3232.

It is understood that in other embodiments, the second elastic portion 3233 may not be sleeved on the second piston rod 3232.

In practical application, the first pushing member 322 moves in the first cavity segment 3212 of the body 321 and drives the filler to press the second pushing member 323, so that the second pushing member 323 moves in the second cavity segment 3213 of the body 321.

It is understood that in other embodiments, the dressing pusher 32 may also be a cylinder connected to the dressing member 31.

The moving member 41 is approximately rod-shaped, one end of the moving member 41 is connected with the moving driving member 42, and the other end of the moving member 41 is spaced from the ground by a distance larger than the distance from the power output shaft of the grinding wheel driving member 21 to the ground.

The moving drive 42 includes a drive motor 421, a lead screw 422, and a lead screw nut 423. The driving motor 421 is disposed outside the housing 10, and a power output end of the driving motor 421 is fixedly connected to the screw 422. An inverted T-shaped groove is formed in the bottom plate of the shell 10, and the screw 422 is rotatably connected in the inverted T-shaped groove. The screw nut 423 is located in the inverted T-shaped groove, one end of the screw nut 423 is sleeved on the screw 422, and the other end of the screw nut 423 is fixedly connected with the moving member 41.

It is understood that, in other embodiments, the movable driving element 42 may also be a cylinder disposed in the housing 10 and located on a side of the moving element 41 away from the trimming mechanism 30, and an output end of the cylinder is connected to the moving element 41 and can push the moving element 41 to move.

Referring to fig. 4, the positioning mechanism 50 further includes an adjusting member 51 and a measuring member 54, one end of the adjusting member 51 is movably connected to the moving member 41, and the other end of the adjusting member 51 is fixedly connected to the supporting member 52 for adjusting the distance between the supporting member 52 and the grinding wheel 200. The supporting member 52 is approximately cylindrical, the supporting member 52 and the rotating member 53 each have a cylindrical hollow cavity therein, the inner diameter of the hollow cavity of the rotating member 53 is smaller than that of the hollow cavity of the supporting member 52, and the power output shaft of the grinding wheel driving member 21 can be inserted into the hollow cavities of the rotating member 53 and the supporting member 52. The outer peripheral surface of the support member 52 is further provided with a section of graduation mark 521, and the extension direction of the graduation mark 521 is parallel to the extension direction of the power output shaft of the grinding wheel driving member 21. The measuring part 54 is approximately a cylindrical structure, the measuring part 54 is sleeved outside the supporting part 52 and has a certain gap with the supporting part 52, one end of the measuring part 54 is connected to one side of the moving part 41 close to the grinding wheel 200, and the other end of the measuring part 54 is located between the beginning and the end of the scale mark 521 and is used for observing the scale value on the supporting part 52.

In this embodiment, the adjusting member 51 is a bolt, a stud of the bolt penetrates through the moving member to a position between the moving member 41 and the grinding wheel 200, and a portion of the stud located between the moving member 41 and the grinding wheel 200 is fixedly connected with the supporting member 52.

It will be appreciated that in other embodiments, the adjusting member 51 may be a cylinder, and the power output end of the cylinder is connected to the supporting member 52.

It is understood that in other embodiments, the measuring member 54 may be rod-shaped. But is not limited thereto.

It will be appreciated that in other embodiments, a slide rail may be provided between the support member 52 and the measuring member 54, the slide rail extending in the same direction as the power output shaft of the grinding wheel drive 21.

In practical use, the grinding wheel 200 is sleeved on the power output shaft of the grinding wheel driving member 21, one side of the grinding wheel 200 is fixed by the positioning ring, the movable driving member 42 drives the moving member 41 to move towards the dressing mechanism 30, one end of the moving member 41 close to the bottom plate pushes the connecting portion 3224 to move, the connecting portion 3224 pushes the first piston 3221 to move in the first cavity segment 3212 of the body 321 and to extrude the filler so that the second piston 3231 moves towards the grinding wheel 200 in the second cavity segment 3213 of the body 321 until the grinding wheel 200 is located in the dressing groove 311 of the dressing member 31; meanwhile, one end of the moving part 41, which is far away from the bottom plate, can drive the rotating part 53 to move and enable the clamping part 531 of the rotating part 53 to abut against the clamping groove 210 on the other side of the grinding wheel 200, the power output shaft of the grinding wheel driving part 21 is inserted into the hollow cavities of the rotating part 53 and the supporting part, and the rotating part 53 can rotate along with the power output shaft of the grinding wheel driving part 21; then, the grinding wheel drive 21 rotates the grinding wheel 200 to dress the outer peripheral surface of the grinding wheel 200.

It will be appreciated that in other embodiments, bolts secured to the power output shaft of the wheel drive 21 may be provided on opposite sides of the grinding wheel 200 to secure the grinding wheel 200. But is not limited thereto.

Compared with the prior art, the grinding wheel dressing device 100 pushes the dressing member 31 to move towards the grinding wheel 200 through the dressing pushing member 32 to dress the grinding wheel 200; and the distance between the dressing part 31 and the dressing position of the grinding wheel 200 can be adjusted by the dressing pushing part 32, so that the dressing device can adapt to dressing of the grinding wheels 200 with various specifications. The invention has simple operation and high efficiency.

In addition, other modifications within the spirit of the invention may occur to those skilled in the art, and such modifications are, of course, included within the scope of the invention as claimed.

Claims

1. A grinding wheel dressing device is used for dressing a grinding wheel and comprises a shell and is characterized by further comprising a grinding wheel driving mechanism and a dressing mechanism, wherein the grinding wheel driving mechanism is arranged on one side of the shell, the grinding wheel is fixedly connected to the power output end of the grinding wheel driving mechanism, the dressing mechanism comprises a dressing piece and a dressing pushing piece, the dressing pushing piece is arranged in the shell and can push the dressing piece to move towards the grinding wheel so as to dress the grinding wheel, the grinding wheel dressing device further comprises a moving mechanism and a positioning mechanism, the moving mechanism comprises a moving piece and a moving driving piece, the moving piece is arranged in the shell, and the moving driving piece can drive the moving piece to move towards the dressing mechanism so that the moving piece can push the dressing pushing piece to move; the positioning mechanism comprises a supporting piece and a rotating piece, the supporting piece is arranged on one side, close to the grinding wheel, of the moving piece, the rotating piece is rotatably arranged on one side, close to the grinding wheel, of the supporting piece, a plurality of clamping portions are arranged on one side, close to the grinding wheel, of the rotating piece at intervals, and the moving driving piece can drive the moving piece to move towards the grinding wheel and enable the clamping portions of the rotating piece to abut against one side of the grinding wheel.

2. The wheel dresser of claim 1, wherein the dressing pusher includes a body, a first pushing member, a second pushing member, and a filler, the body being disposed within the housing on a side of the dressing member remote from the wheel, the body having a hollow cavity, the hollow cavity including a first cavity section and a second cavity section, the first cavity section being in communication with the second cavity section and being disposed vertically; the first pushing member is hermetically and movably arranged in the first cavity section, and the second pushing member is hermetically and movably arranged in the second cavity section; the filler is filled between the first pushing component and the second pushing component; the first pushing member can push the filler to move in the hollow cavity of the body and make the filler push against the second pushing member in the second cavity section to move towards the grinding wheel.

3. The wheel truing apparatus of claim 2 wherein said first urging member comprises a first piston and a first piston rod, said first piston being sealingly and movably disposed in said first cavity section of said body; one end of the first piston rod is connected to the first piston, and the other end of the first piston rod extends out of the corresponding end of the body.

4. The wheel truing apparatus of claim 2 wherein said second urging member comprises a second piston and a second piston rod, said second piston being sealingly and movably disposed in said second cavity section of said body; one end of the second piston rod is connected to the second piston, and the other end of the second piston rod extends out of the corresponding end of the body and is fixedly connected with the trimming piece.

5. The truing apparatus of claim 2 wherein said movable drive member is capable of driving said moving member toward and in motion to urge said first urging member.

6. The wheel dresser of claim 5, wherein the movable driving member comprises a driving motor, a lead screw and a lead screw nut, the driving motor is arranged outside the housing, a power output end of the driving motor is fixedly connected with the lead screw, a groove is formed in the bottom of the housing, the lead screw is rotatably connected in the groove, the lead screw nut is positioned in the groove, one end of the lead screw nut is rotatably sleeved on the lead screw, and the other end of the lead screw nut is fixedly connected with the movable member.

7. The truing apparatus of claim 1 wherein said support member and said rotating member each have a hollow cavity therein, and wherein a power take-off of said wheel drive mechanism is extendable into said hollow cavities of said support member and said rotating member.

8. The truing device according to claim 1 or 7, wherein said positioning mechanism further comprises an adjusting member disposed on a side of said moving member closer to said grinding wheel, said adjusting member being fixedly connected to a side of said supporting member farther from said grinding wheel, said adjusting member being capable of adjusting a distance between said supporting member and said grinding wheel to bring said rotating member closer to or farther from said grinding wheel.

9. The wheel dresser of claim 8, wherein the support member further has graduations on an outer surface thereof, the graduations extending in a direction parallel to a direction in which a power take-off of the wheel drive mechanism extends; the positioning mechanism further comprises a measuring piece, one end of the measuring piece is connected to one side, close to the grinding wheel, of the moving piece, and the other end of the measuring piece is located between the starting end and the tail end of the scale mark and used for observing the scale value on the supporting piece.