CN220660473U - Rotary mill mechanism - Google Patents

Abstract

The utility model discloses a rotary mill mechanism which comprises a frame, wherein a fixing seat is fixed on one side of the upper surface of the frame, a rotating shaft is rotatably connected in the middle of the fixing seat, and a motor capable of driving the rotating shaft to rotate is fixed on the upper surface of the frame. According to the utility model, the frame, the rotating shaft, the polishing disc, the limiting disc, the springs, the first threaded part, the second threaded part and the pushing disc are arranged, the rotating shaft rotates to drive the polishing disc to rotate at a high speed to polish a workpiece, the limiting disc limits the polishing disc to avoid swinging and swinging, the high-speed rotation of the rotating shaft enables the pushing disc, the first threaded part and the second threaded part to generate opposite-direction threaded force to drive the two pushing discs to move close to the polishing disc, the polishing disc moves to compress the springs, the springs compress the springs to stably and slowly extrude the limiting disc, the limiting disc can firmly limit the polishing disc under the high-speed rotation of the polishing disc, and the swinging phenomenon caused by abrasion between the rotating shaft and the polishing disc during the polishing disc work is avoided.

Description

Rotary mill mechanism

Technical Field

The utility model relates to the technical field of rotary grinding, in particular to a rotary grinding mechanism.

Background

The grinding disc rotates at high speed, and can perform rough grinding, semi-finish grinding, slotting, cutting and the like on the outer circle, the inner circle, the plane, various molded surfaces and the like of metal or nonmetal workpieces.

In the prior art, the characteristic of the high-speed rotation work of the polishing disc enables the polishing disc to be worn and abraded with the rotating shaft, and after long-term use, the condition of swinging and even asynchronous rotation with the rotating shaft can occur during the high-speed rotation work of the polishing disc, so that the polishing effect is influenced.

Disclosure of Invention

The utility model aims to provide a rotary grinding mechanism, which aims to solve the problem that the grinding effect is affected when a grinding disc rotates at a high speed so that the grinding disc and a rotating shaft are worn greatly and swing or even do not synchronously rotate with the rotating shaft in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a rotatory mill constructs, includes the frame, frame upper surface one side is fixed with the fixing base, the fixing base middle part rotates and is connected with the pivot, frame upper surface is fixed with and can drives pivot pivoted motor, pivot surface cover is equipped with the polishing dish, and the pivot is located the part surface of polishing dish both sides and all overlaps and be equipped with the spacing dish, spacing dish one side rigid coupling has the spring of cover at the pivot surface to be established, pivot both ends surface is equipped with first screw thread portion, the second screw thread portion opposite in direction respectively, first screw thread portion, the equal threaded connection of second screw thread portion surface have the pushing disc.

Preferably, the two limiting plates are uniformly fixed with first limiting blocks on one side, close to the polishing disc, of each limiting plate, and first grooves corresponding to the positions of the first limiting blocks are formed in two sides of the polishing disc.

Preferably, a second limiting block is fixed on the outer surface of the part of the rotating shaft corresponding to the polishing disc, and a second groove corresponding to the second limiting block is formed in the polishing disc.

Preferably, the first limiting block is in interference fit with the first groove and the second limiting block is in interference fit with the second groove.

Preferably, the rotating shaft is connected with the fixed seat through a bearing.

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

the utility model is provided with the frame, the rotating shaft, the polishing disc, the limiting disc, the springs, the first threaded part, the second threaded part and the pushing disc, wherein the rotating shaft rotates to drive the polishing disc to rotate at a high speed to polish a workpiece, the limiting disc limits the polishing disc to avoid swinging and shaking, the high-speed rotation of the rotating shaft enables the pushing disc, the first threaded part and the second threaded part to generate opposite-direction threaded force to drive the two pushing discs to move close to the polishing disc, the polishing disc moves the compression springs to compress the springs, the springs compress the limiting disc stably and slowly, the limiting disc can limit the polishing disc more firmly under the high-speed rotation of the polishing disc, and the phenomenon of swinging and shaking during the work of the polishing disc caused by abrasion between the rotating shaft and the polishing disc is avoided.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

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

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

FIG. 3 is a schematic view of a spacing disc structure according to the present utility model;

fig. 4 is a schematic view of a spindle structure according to the present utility model.

In the figure: 1. a frame; 2. a fixing seat; 3. a rotating shaft; 4. a motor; 5. polishing the grinding disc; 6. a limiting disc; 7. a spring; 8. a first threaded portion; 9. a second threaded portion; 10. pushing the disc; 11. a first limiting block; 12. a first groove; 13. a second limiting block; 14. and a second groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, in the embodiment of the utility model, a rotary grinding mechanism comprises a frame 1, the frame 1 is used for installing a motor 4, a fixed seat 2 is fixed on one side of the upper surface of the frame 1, the fixed seat 2 is used for installing and supporting a rotating shaft 3, the middle part of the fixed seat 2 is rotationally connected with the rotating shaft 3, a motor 4 capable of driving the rotating shaft 3 to rotate is fixed on the upper surface of the frame 1, a grinding disc 5 is sleeved on the outer surface of the rotating shaft 3, the grinding disc 5 rotates at a high speed, rough grinding, semi-finish grinding, grooving, cutting and the like can be performed on the outer circle, the inner circle, the plane, various molded surfaces and the like of a metal or nonmetal workpiece, limiting discs 6 are sleeved on the outer surfaces of the rotating shaft 3 on two sides of the grinding disc 5, the limiting discs 6 limit the grinding disc 5, the grinding disc 5 is prevented from swinging and swinging, a spring 7 sleeved on one side of the limiting disc 6 is fixedly connected with the outer surface of the rotating shaft 3, the grinding disc 5 moves and compresses the spring 7, the spring 7 so that the limiting disc 6 is stably and slowly extrudes the limiting disc 6, the grinding disc 5, the rotating shaft 3 and the grinding disc 5 at a high speed, and the rotating speed can be correspondingly, the rotating of the rotating shaft 3 and the grinding disc 5, the first threaded part 8 and the second threaded part 9 and the second threaded part 10 are in opposite to the direction and the threaded part 10 threaded part of the threaded part is driven by the threaded part 10;

referring to fig. 2 and 4, a first limiting block 11 is uniformly fixed on one side of two limiting plates 6 close to the polishing disc 5, and first grooves 12 corresponding to the positions of the first limiting blocks 11 are formed on two sides of the polishing disc 5, and the first limiting blocks 11 are in fit connection with the first grooves 12, so that the limiting plates 6 are more tightly connected with the polishing disc 5, and the two limiting plates can synchronously rotate along with the rotating shaft 3;

referring to fig. 2-3, a second limiting block 13 is fixed on the outer surface of a part of the rotating shaft 3 corresponding to the polishing disc 5, a second groove 14 corresponding to the position of the second limiting block 13 is formed in the polishing disc 5, and the second limiting block 13 and the second groove 14 are matched with each other so that the rotating shaft 3 drives the polishing disc 5 to rotate at a high speed, and the polishing disc 5 rotates at a high speed to polish a workpiece;

referring to fig. 2-4, the first limiting block 11 is in interference fit with the first groove 12 and the second limiting block 13 is in interference fit with the second groove 14, so that the first limiting block 11 is better matched with the first groove 12 and the second limiting block 13 is better matched with the second groove 14, and the optimal synchronization rate is achieved;

referring to fig. 1, the rotating shaft 3 is connected with the fixing base 2 through a bearing, and the bearing connection reduces friction generated between the rotating shaft 3 and the fixing base 2 when rotating, so that abrasion is reduced.

The working principle and the using flow of the utility model are as follows: the motor 4 drives the rotating shaft 3 to rotate, the second limiting block 13 and the second groove 14 mutually cooperate to enable the rotating shaft 3 to drive the polishing disc 5 to rotate at a high speed, the polishing disc 5 can rotate at a high speed to polish a workpiece, after the polishing disc is used for a long time, the phenomenon that the polishing disc 5 swings and shakes when the polishing disc 5 rotates is seriously caused by abrasion between the second limiting block 13 and the second groove 14, the limiting disc 6 limits the polishing disc 5 to avoid swinging and shaking of the polishing disc 5, the high-speed rotation of the rotating shaft 3 enables the pushing disc 10 to move close to the polishing disc 5 due to the fact that opposite screw force is generated between the pushing disc 10 and the first screw thread part 8 and the second screw thread part 9, the polishing disc 5 moves to compress the pressing spring 7, the spring 7 compresses to stably and slowly extrude the limiting disc 6, and the limiting disc 6 can firmly limit the polishing disc 5, so that the rotating shaft 3 and the polishing disc 5 can rotate at a high speed.

Finally, it should be noted that: the above is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that the present utility model is described in detail with reference to the foregoing embodiments, and modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (5)

1. Rotary grinding mechanism, including frame (1), its characterized in that: the utility model discloses a motor, including frame (1), fixing base (2), pivot (3) are connected with in middle part rotation, fixed surface has motor (4) that can drive pivot (3) pivoted in frame (1), pivot (3) surface cover is equipped with and beats mill (5), and pivot (3) are located the part surface of beating mill (5) both sides and all overlap and are equipped with spacing dish (6), spacing dish (6) one side rigid coupling has the spring (7) of cover at pivot (3) surface to establish, pivot (3) both ends surface is equipped with first screw thread portion (8), second screw thread portion (9) opposite in direction respectively, first screw thread portion (8), second screw thread portion (9) surface equal threaded connection have pushing away dish (10).

2. A rotary grinding mechanism according to claim 1, wherein: the two limiting plates (6) are uniformly fixed with first limiting blocks (11) on one side, close to the polishing disc (5), of each limiting plate, and first grooves (12) corresponding to the first limiting blocks (11) are formed in two sides of the polishing disc (5).

3. A rotary grinding mechanism as defined in claim 2, wherein: a second limiting block (13) is fixed on the outer surface of a part of the rotating shaft (3) corresponding to the polishing disc (5), and a second groove (14) corresponding to the second limiting block (13) is formed in the polishing disc (5).

4. A rotary grinding mechanism according to claim 3, characterized in that: the first limiting block (11) is in interference fit with the first groove (12) and the second limiting block (13) is in interference fit with the second groove (14).

5. A rotary grinding mechanism according to claim 1, wherein: the rotating shaft (3) is connected with the fixed seat (2) through a bearing.