CN215394692U

CN215394692U - PCD circular saw piece is polished and is used emery wheel

Info

Publication number: CN215394692U
Application number: CN202121531528.3U
Authority: CN
Inventors: 唐爱根; 周志敏; 黄小平
Original assignee: Taizhou Chengrui Precision Abrasive Tools Co ltd
Current assignee: Taizhou Chengrui Precision Abrasive Tools Co ltd
Priority date: 2021-07-07
Filing date: 2021-07-07
Publication date: 2022-01-04
Anticipated expiration: 2031-07-07

Abstract

The utility model relates to the technical field of grinding wheel manufacture, in particular to a grinding wheel for polishing a PCD circular saw blade, which comprises a grinding wheel, one end of the grinding wheel is fixedly provided with a bulge, the periphery of the bulge is provided with a limit groove, a driving device is inserted in the limit groove, the inner circumference of the bulge is provided with an inserting groove, the inserting groove is internally provided with a telescopic hole, the telescopic hole penetrates through the upper end surface of the bulge, a clamping device is arranged in the inserting groove, the grinding wheel clamping device has the advantages that the bulge is arranged on one side of the grinding wheel, the clamping device is arranged on the bulge, when the fit clearance between the shaft hole in the grinding wheel and the shaft is too large, the ratchet ring is rotated, so that the clamping block can tightly clamp the shaft to realize the tight fit between the shaft hole and the shaft, the defect that the fit clearance between the shaft hole and the shaft is too large is overcome, the stability of the grinding wheel in the operation process is ensured, and the safety of personnel and equipment is also ensured while the good working effect is ensured.

Description

PCD circular saw piece is polished and is used emery wheel

Technical Field

The utility model relates to the technical field of grinding wheel manufacturing, in particular to a grinding wheel for polishing a PCD circular saw blade.

Background

PCD circular saw piece is a cutting means, wide application in the plank cutting, the concrete, refractory material, the stone material, the processing of hard and brittle materials such as pottery, and PCD circular saw piece can be more blunt after using a period of time, make work efficiency not high in work, at this moment just need polish the saw bit, and it polishes to adopt the emery wheel to it, but the emery wheel of PCD circular saw piece polishing usefulness under the prior art exists certain not enough when using, it often can take place the shaft hole on the emery wheel and the fit clearance between the axle great when installing on the polisher, and make the emery wheel take place great rocking at the in-process that uses, influence the effect of grinding, and can make and bump between emery wheel and the saw bit, can cause the damage of emery wheel to cause the injury for personnel and equipment when serious.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a grinding wheel for polishing a PCD circular saw blade, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a PCD saw blade is polished and is used emery wheel, includes the emery wheel, the fixed arch that is provided with of one end of emery wheel, the spacing groove has been seted up to bellied periphery, it has drive arrangement to peg graft in the spacing groove, the inserting groove has been seted up to bellied inside circumference, it has the concertina hole to open in the inserting groove, the concertina hole runs through bellied up end, and installs clamping device in the inserting groove, and sets up threaded hole on the bellied terminal surface, and bellied terminal surface coats and is stamped solid fixed ring, gu fixed ring fix with screw is in the arch, and gu be provided with locking device on the fixed ring.

Preferably, the driving device is a ratchet ring, a limiting block is fixedly arranged on one side of the ratchet ring, the limiting block is inserted into the limiting groove, and a curved surface convex block is integrally formed inside the ratchet ring.

Preferably, the clamping device is a clamping block, the clamping block is inserted into the insertion groove, the upper end of the clamping block is in threaded connection with a stud, and the stud is inserted into the telescopic hole.

Preferably, the other end of the stud is in threaded connection with a spherical block, and the stud is sleeved with a second spring.

Preferably, the locking device is a stop pin, the stop pin is inserted into a through hole in the bracket, the bracket is fixedly arranged on the fixing ring, the upper end of the stop pin is in threaded connection with a screw, the screw is arranged at the upper end of the bracket, and the diameter of the screw and the nut is larger than that of the through hole in the bracket.

Preferably, the stop pin is sleeved with a first spring, the first spring is positioned at the lower end of the support, and the stop pin abuts against teeth of the ratchet ring in a working state.

Compared with the prior art, the utility model has the beneficial effects that:

through the practicality of this technical scheme, be provided with the arch in one side of emery wheel, thereby it rotates the ratchet ring when the fit clearance between the axle hole on the emery wheel and the axle is too big to be provided with clamping device in the arch and can make the tight piece of clamp tightly realize closely cooperating of axle hole and axle, has compensatied the too big shortcoming in fit clearance between axle hole and the axle, has guaranteed the stability of emery wheel at the operation in-process, has also guaranteed the security of personnel and equipment when guaranteeing that the working effect is all good.

Drawings

FIG. 1 is an exploded schematic view of a grinding wheel assembly;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

FIG. 3 is a schematic view of the grinding wheel structure;

FIG. 4 is a schematic view of the ratchet ring;

FIG. 5 is a schematic view of the clamping block;

fig. 6 is an operational view of the assembly of the clamping block.

In the figure: the grinding wheel comprises a grinding wheel 1, a protrusion 11, a limiting groove 12, an insertion groove 13, a telescopic hole 14, a fixing ring 2, a support 21, a stop pin 22, a first spring 23, a ratchet ring 3, a limiting block 31, a curved surface convex block 32, a clamping block 4, a stud 41, a second spring 42 and a spherical block 43.

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 a part of the embodiments of the present invention, and not all of the 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.

Referring to fig. 1 to 6, the present invention provides a technical solution:

the utility model provides a PCD circular saw piece is polished and is used emery wheel, including emery wheel 1, the fixed arch 11 that is provided with of one end of emery wheel 1, spacing groove 12 has been seted up to protruding 11 periphery, it is ratchet ring 3 to peg graft drive arrangement and drive arrangement in spacing groove 12, one side of ratchet ring 3 is fixed and is provided with stopper 31, stopper 31 is pegged graft in spacing groove 12, and ratchet ring 3's inside integrated into one piece is provided with curved surface lug 32 and curved surface lug 32's quantity and is four and evenly set up the inside at ratchet ring 3.

Inserting grooves 13 are formed in the inner circumference of the protrusion 11, telescopic holes 14 are formed in the inserting grooves 13, the telescopic holes 14 penetrate through the upper end face of the protrusion 11, clamping devices are installed in the inserting grooves 13 and are clamping blocks 4, the clamping blocks 4 are inserted in the inserting grooves 13, the upper ends of the clamping blocks 4 are in threaded connection with studs 41, the studs 41 are inserted in the telescopic holes 14, the diameter of one end, located in the inserting grooves 13, of each telescopic hole 14 is smaller than that of the other end of each telescopic hole 14, the diameter of each stud 41 is the same as that of one end, small in diameter, of each clamping block 4, one end, matched with a shaft, of each clamping block 4 is a curved surface matched with the shaft, the attaching state of the shaft to the shaft is guaranteed, and the length of each clamping block 4 is not larger than one eighth of the circumference of the shaft hole.

The other end of the stud 41 is in threaded connection with a ball-shaped block 43, the stud 41 is sleeved with a second spring 42, the diameter of the ball-shaped block 43 is the same as that of the end with the larger diameter of the telescopic hole 14, the second spring 42 is located between the hole bottom of the telescopic hole 14 and the ball-shaped block 43, the ball-shaped block 43 is located right below one end of the lowest part of the curved surface convex block 32 in the initial state, the number of the curved surface convex blocks 32 is the same as that of the clamping blocks 4, and the second spring 42 is always in a compressed state, so that the stop pin 22 can stably abut against teeth on the ratchet ring 3 to achieve a limiting effect.

The end face of the bulge 11 is provided with a threaded hole, the end face of the bulge 11 is covered with a fixing ring 2, the fixing ring 2 is fixed on the bulge 11 by screws, the fixing ring 2 is used for fixing the ratchet ring 3 to prevent the ratchet ring 3 from being separated from the grinding wheel 1, the fixing ring 2 is provided with a locking device which is a stop pin 22, the stop pin 22 is inserted into a through hole on a bracket 21, the bracket 21 is fixedly arranged on the fixing ring 2, the upper end of the stop pin 22 is connected with the screws in a threaded manner, the screws are arranged at the upper end of the bracket 21, the diameter of a screw nut is larger than that of the through hole on the bracket 21, a first spring 23 is sleeved on the stop pin 22, the first spring 23 is arranged at the lower end of the bracket 21, the stop pin 22 abuts against the teeth of the ratchet ring 3 in a working state to limit the ratchet ring 3 to rotate only in one direction, the diameter of a pin head of the stop pin 22 is larger than that of a pin column, and the first spring 23 is sleeved on the pin column, and is located between the pin head and the bracket 21.

The working principle is as follows: when the grinding wheel is in operation, the grinding wheel 1 is sleeved on the shaft, when the fit clearance between the shaft hole and the shaft is larger, the ratchet ring 3 can be rotated, so that the highest position on the curved surface convex block 32 on the ratchet ring 3 is close to one side of the spherical block 43, the spherical block 43 can be gradually pressed in the telescopic hole 14 along with the movement of the curved surface convex block 32, so that the clamping block 4 protrudes out of the insertion groove 13 to be contacted with the shaft, until the clamping shaft realizes the close fit between the shaft hole and the shaft, and in the rotating process of the ratchet ring 3, the stop pin 22 is abutted against the teeth on the ratchet ring 3, and the ratchet ring 3 rotates along the direction of the teeth, so that the stop pin 22 can be pushed upwards under the action of the teeth, so that the ratchet ring 3 can rotate smoothly until the next tooth reaches the position under the stop pin 22, and then the stop pin 22 is abutted against the teeth again under the action of the second spring 42, when the ratchet ring 3 is required to be reversed, the stop pin 22 can be clamped on the end faces of the teeth, so that the ratchet ring 3 cannot be reversed, the clamping state of the clamping block 4 to the shaft is further ensured, when the grinding wheel 1 needs to be disassembled, the stop pin 22 is pulled towards one side far away from the ratchet ring 3, and then the ratchet ring 3 is reversely rotated, so that the clamping block 4 can loosen the shaft to facilitate the disassembly of the grinding wheel 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a PCD saw blade is polished and is used emery wheel, includes emery wheel (1), its characterized in that: the fixed arch (11) that is provided with of one end of emery wheel (1), spacing groove (12) have been seted up to the periphery of arch (11), it has drive arrangement to peg graft in spacing groove (12), inserting groove (13) have been seted up to the inside circumference of arch (11), it has flexible hole (14) to open in inserting groove (13), flexible hole (14) run through the up end of arch (11), and install clamping device in inserting groove (13), and set up threaded hole on the terminal surface of arch (11), and the terminal surface of arch (11) coats and is stamped solid fixed ring (2), gu fixed ring (2) fix with screw is on arch (11), and be provided with locking device on solid fixed ring (2).

2. A PCD circular saw blade sharpening abrasive wheel according to claim 1, wherein: the driving device is a ratchet ring (3), a limiting block (31) is fixedly arranged on one side of the ratchet ring (3), the limiting block (31) is inserted into the limiting groove (12), and a curved surface convex block (32) is integrally formed inside the ratchet ring (3).

3. A PCD circular saw blade sharpening abrasive wheel according to claim 1, wherein: the clamping device is a clamping block (4), the clamping block (4) is inserted into the insertion groove (13), the upper end of the clamping block (4) is in threaded connection with a stud (41), and the stud (41) is inserted into the telescopic hole (14).

4. A PCD circular saw blade sharpening abrasive wheel according to claim 3, wherein: the other end of the stud (41) is in threaded connection with a spherical block (43), and the stud (41) is sleeved with a second spring (42).

5. A PCD circular saw blade sharpening abrasive wheel according to claim 1, wherein: the locking device is a stop pin (22), the stop pin (22) is inserted into a through hole in the support (21), the support (21) is fixedly arranged on the fixing ring (2), the upper end of the stop pin (22) is in threaded connection with a screw, the screw is located at the upper end of the support (21), and the diameter of the screw and the nut is larger than that of the through hole in the support (21).

6. A PCD circular saw blade grinding wheel as claimed in claim 5, wherein: the stop pin (22) is sleeved with a first spring (23), the first spring (23) is located at the lower end of the support (21), and the stop pin (22) abuts against teeth of the ratchet ring (3) in a working state.