CN220260621U - Grinding wheel convenient to replace - Google Patents

Abstract

The utility model relates to the technical field of grinding wheels, in particular to a grinding wheel convenient to replace, which comprises a hollow circular plate, wherein a main shaft is fixedly connected to the left side of the hollow circular plate, a round rod is fixedly connected to the left side of the inner wall of the hollow circular plate, a cylinder is sleeved outside the round rod, a spring is fixedly connected between the right end of the round rod and the inner wall of the cylinder, a cross rod is fixedly connected to the right side of the cylinder, a clamping block, a connecting rod, the cylinder, the spring and a round block are arranged, the handle is rotated, the handle drives the round block to separate from a round groove, then the handle is pulled, the handle drives the cross rod on the round block to move, the cross rod drives the cylinder to move, the cylinder stretches the spring and simultaneously drives a plurality of connecting rods on the outer side to move, the connecting rod drives a pushing block to move, and the pushing block drives the clamping block to move, so that the clamping blocks are separated from the grinding wheel main body, the grinding wheel main body is dismounted, and the grinding wheel main body is convenient to replace later.

Description

Grinding wheel convenient to replace

Technical Field

The utility model relates to a grinding wheel, in particular to a grinding wheel convenient to replace.

Background

The grinding wheel is also called a bonded grinding tool, and the grinding wheel is a bonded grinding tool which is formed by bonding common abrasive materials into a certain shape by a bonding agent and has certain strength. It is generally composed of abrasive, binder and air holes, which are commonly referred to as the three elements of bonded abrasive tools.

Most grinding wheels in the prior art are usually sleeved outside a main shaft through round holes in the grinding wheels when being installed and used, and are locked and fixed with a clamping piece through nuts, bolts and clamping pieces on the main shaft, so that the grinding wheels are installed. But after subsequent long-time use, the grinding wheel is damaged, and when the grinding wheel needs to be replaced, all bolts and nuts need to be detached, so that the grinding wheel can be detached, and the grinding wheel is not convenient and fast enough. For this purpose, a grinding wheel is proposed here which is easy to replace.

Disclosure of Invention

The present utility model aims to provide a grinding wheel which is easy to replace, and solves the problems mentioned in the background art.

The technical scheme of the utility model is that the grinding wheel convenient to replace comprises a hollow circular plate, a main shaft is fixedly connected to the left side of the hollow circular plate, a round rod is fixedly connected to the left side of the inner wall of the hollow circular plate, a cylinder is sleeved outside the round rod, a spring is fixedly connected between the right end of the round rod and the inner wall of the cylinder, a cross rod is fixedly connected to the right side of the cylinder, the right end of the cross rod is rotationally connected with a round block, a round groove is formed in the right side wall of the hollow circular plate, the right side of the round block penetrates through the round groove, a plurality of connecting rods are hinged to the outer side of the cylinder, a push block is hinged to one end of each connecting rod, a plurality of through grooves are formed in the side wall of the hollow circular plate, a vertical block is fixedly connected to one side, far away from the push block, a clamping block is fixedly connected to the inner wall of the through grooves, the vertical block is movably connected with the inner wall of the through grooves, grooves are formed in the outer side of the clamping block, a plurality of clamping blocks are jointly arranged on the outer sides of the clamping block, the main body is sleeved on the outer side of the hollow circular plate, a plurality of clamping blocks are correspondingly clamped grooves are formed in the inner side of the clamping grooves of the inner walls of the main body.

In one embodiment, the right side of the round block is fixedly connected with a handle, and the handle is arranged in a shape of a loop.

In one embodiment, the outer wall of the round block is provided with an external thread, the inner wall of the round groove is provided with an internal thread, and the round block is in threaded connection with the inner cavity of the round groove.

In one embodiment, the left side and the right side of the vertical block are provided with sliding grooves, the two sides of the inner wall of the through groove are fixedly connected with sliding blocks, and the sliding blocks are movably connected in the inner cavities of the corresponding sliding grooves.

In one embodiment, limiting blocks are fixedly connected to two sides of the inner wall of the groove, and two opposite sides of the limiting blocks are respectively attached to the outer side wall of the grinding wheel main body.

In one embodiment, the grooves and the clamping grooves are all rectangular.

In one embodiment, the number of the connecting rods is four, and the four connecting rods are distributed in a ring array shape.

The beneficial effects provided by the utility model are as follows: through being provided with fixture block, the connecting rod, the drum, spring and circle piece, at first rotate the handle, make the handle drive the circle piece break away from the circular slot, then the pulling handle, make the horizontal pole on the handle drive circle piece remove, the horizontal pole drives the drum and removes, a plurality of connecting rods in the outside are driven to the drum extension spring simultaneously, the connecting rod drives the ejector pad and removes, the ejector pad drives the perpendicular piece and removes, it removes to erect the piece drive fixture block, then with the emery wheel main part cover in the hollow plectane outside, and align with a plurality of fixture blocks in the outside, then loosen the handle, make the handle drive a plurality of fixture blocks reset under the elasticity effect of spring, make the recess card on the fixture block in the draw-in groove inside in the emery wheel main part, realize the preliminary fixation to the emery wheel main part, then through the threaded connection rotation handle of circle piece and circular slot, make the circle piece promote the horizontal pole, the horizontal pole promotes the drum and removes, make the fixture block remove again, further make the installation of emery wheel main part more firm, the unstable problem appears when avoiding subsequent use, and follow-up dismantlement is convenient.

Drawings

FIG. 1 is a schematic view of the internal structure of the present utility model;

FIG. 2 is a schematic elevational view of the present utility model;

FIG. 3 is a schematic view of a partial structure of the present utility model;

FIG. 4 is an enlarged view of the utility model at A in FIG. 2;

fig. 5 is a schematic view of the structure of the grinding wheel body of the present utility model.

In the attached drawings, 1, a main shaft; 2. a hollow circular plate; 3. a round bar; 4. a cylinder; 5. a spring; 6. a cross bar; 7. round blocks; 8. a circular groove; 9. a handle; 10. a connecting rod; 11. a pushing block; 12. a through groove; 13. a vertical block; 14. a groove; 15. a limiting block; 16. a chute; 17. a slide block; 18. a grinding wheel body; 19. a clamping groove; 20. and (5) clamping blocks.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The technical solution of the present utility model will be further described below with reference to the accompanying drawings of the embodiments of the present utility model, and the present utility model is not limited to the following specific embodiments.

It should be understood that the same or similar reference numerals in the drawings of the embodiments correspond to the same or similar components. In the description of the present utility model, it should be understood that, if there are terms such as "upper", "lower", "front", "rear", "left", "right", "top", "bottom", etc., that indicate an azimuth or a positional relationship based on the directions or the positional relationships shown in the drawings, it is only for convenience of describing the present utility model and simplifying the description, but not for indicating or suggesting that the apparatus or element to be referred to must have a specific azimuth, be constructed and operated in a specific azimuth, so that the terms describing the positional relationship in the drawings are merely for exemplary illustration and should not be construed as limitations of the present patent, and that the specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.

In an embodiment, as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, a grinding wheel convenient to replace comprises a hollow circular plate 2, the left side fixedly connected with main shaft 1 of hollow circular plate 2, and hollow circular plate 2 inner wall left side fixedly connected with round rod 3, round rod 3 outside cover is equipped with drum 4, and fixedly connected with spring 5 between round rod 3 right-hand member and the drum 4 inner wall, drum 4 right side fixedly connected with horizontal pole 6, horizontal pole 6 right-hand member rotates and is connected with round piece 7, round groove 8 has been seted up to hollow circular plate 2 right side wall, round piece 7 right side runs through round groove 8, the drum 4 outside articulates there is a plurality of connecting rod 10, the quantity of a plurality of connecting rod 10 is four setting, and four connecting rod 10 are annular array form and distribute, connecting rod 10 one end articulates there is ejector pad 11, a plurality of logical groove 12 has been seted up on the hollow circular plate 2 lateral wall, one side fixedly connected with perpendicular piece 13 of ejector pad 11 is kept away from the side of connecting rod 10, one side of ejector pad 11 runs through groove 12, and fixedly connected with fixture block 20, and perpendicular piece 13 and logical groove 12 inner wall swing joint have round groove 12, the right side, circular plate 7 is connected with round groove 20, circular plate 7 and a plurality of inner wall joint groove 19 is equipped with the inside the grinding wheel body 19, the inside the grinding wheel is equipped with a plurality of the inside groove 19, the fixture block is equipped with a plurality of fixture block groove 19, and the inside the grinding wheel is set up on the inside groove 19, and the inside groove is set up on the hollow circular plate body 19, and the hollow circular plate is corresponding to the groove 19, and the inside groove 19, and the grinding wheel is set up.

The right side of the round block 7 is fixedly connected with a handle 9, and the handle 9 is arranged in a shape of a loop;

in the embodiment, through the arrangement, a worker can hold the handle 9 to pull the cylinder 4 and other parts, and the operation is convenient.

Wherein, the outer wall of the round block 7 is provided with external threads, the inner wall of the round groove 8 is provided with internal threads, and the round block 7 is in threaded connection with the inner cavity of the round groove 8;

in this embodiment, the arrangement is matched with the spring 5, so that the whole fixation is more stable.

The sliding grooves 16 are formed in the left side and the right side of the vertical block 13, sliding blocks 17 are fixedly connected to the two sides of the inner wall of the through groove 12, and the sliding blocks 17 are movably connected to the inner cavities of the corresponding sliding grooves 16;

in this embodiment, the limiting operation on the movement of the vertical block 13 is realized through this arrangement, and the stability is improved.

Limiting blocks 15 are fixedly connected to two sides of the inner wall of the groove 14, and one opposite side of each limiting block 15 is respectively attached to the outer side wall of the grinding wheel main body 18;

in this embodiment, the mounting of the grinding wheel body 18 is more stable by this arrangement

Working principle: when the grinding wheel grinding machine is used, firstly, the main shaft 1 is connected with external driving equipment, then the handle 9 is held by hand and the handle 9 is rotated, so that the handle 9 drives the round block 7 to be separated from the round groove 8, then the handle 9 is pulled, the handle 9 drives the cross rod 6 on the round block 7 to move, the cross rod 6 drives the cylinder 4 to move, the cylinder 4 stretches the spring 5 and simultaneously drives the plurality of connecting rods 10 on the outer side to move, the connecting rods 10 drive the push block 11 to move, the push block 11 drives the vertical block 13 to move, the vertical block 13 drives the clamping block 20 to move, then the grinding wheel main body 18 is sleeved on the outer side of the hollow circular plate 2 and aligned with the plurality of clamping blocks 20 on the outer side, then the handle 9 is released, the grooves 14 on the clamping blocks 20 are clamped inside the clamping grooves 19 on the grinding wheel main body 18, preliminary fixing of the grinding wheel main body 18 is achieved, then the round block 7 and the round block 7 is connected with the round groove 8 in a threaded mode, the cross rod 6 pushes the cylinder 4 to move, the clamping block 20 is driven by the cylinder 4 to move again, the clamping block 20 is further enabled to be installed on the main body 18, the grinding wheel main body 18 to be installed more firmly, and the grinding wheel is not required to be replaced when the grinding wheel is installed repeatedly, and the grinding wheel is convenient to be installed, and the grinding wheel grinding machine is convenient to be installed, and easy to be removed.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (7)

1. The utility model provides a emery wheel convenient to change, includes hollow plectane, its characterized in that, hollow plectane left side fixedly connected with main shaft, just hollow plectane inner wall left side fixedly connected with round bar, round bar outside cover is equipped with the drum, just fixedly connected with spring between round bar right-hand member and the drum inner wall, drum right side fixedly connected with horizontal pole, the horizontal pole right-hand member rotates and is connected with the circle piece, the circular slot has been seted up to hollow plectane right side wall, the circular slot is run through on the circle piece right side, the drum outside articulates there is a plurality of connecting rod, connecting rod one end articulates there is the ejector pad, a plurality of logical groove has been seted up on the hollow plectane lateral wall, one side fixedly connected with vertical block of ejector pad, one side of vertical block keeping away from the ejector pad runs through the groove to fixedly connected with fixture block, just vertical block and logical inslot wall swing joint, set up flutedly on the fixture block outside be equipped with the emery wheel main part jointly, the emery wheel main part cover is established in the hollow plectane outside, just set up a plurality of draw-in groove on the main part inner wall, inside card slot corresponds with inside card slot.

2. The grinding wheel convenient to replace according to claim 1, wherein a handle is fixedly connected to the right side of the round block, and the handle is arranged in a shape of a loop.

3. The grinding wheel convenient to replace according to claim 1, wherein the outer wall of the round block is provided with external threads, the inner wall of the round groove is provided with internal threads, and the round block is in threaded connection with the inner cavity of the round groove.

4. The grinding wheel convenient to replace according to claim 1, wherein sliding grooves are formed in the left side and the right side of the vertical block, sliding blocks are fixedly connected to the two sides of the inner wall of the through groove, and the sliding blocks are movably connected to inner cavities of the corresponding sliding grooves.

5. The grinding wheel convenient to replace according to claim 1, wherein limiting blocks are fixedly connected to two sides of the inner wall of the groove, and two opposite sides of the limiting blocks are respectively attached to the outer side wall of the grinding wheel main body.

6. The grinding wheel of claim 1, wherein the grooves and the clamping grooves are rectangular.

7. The grinding wheel of claim 1, wherein the number of said plurality of connecting rods is four, and wherein said four connecting rods are distributed in an annular array.