CN219504428U - Novel automatic polishing machine - Google Patents

Abstract

The utility model relates to the technical field of polishing machines, and discloses a novel automatic polishing machine, which comprises: a handle, one end of which is provided with a driving device; the driving shaft is arranged at the bottom of the driving device; the grinding disc is arranged on the outer side wall of the driving shaft; the inside of drive shaft is provided with the installation component, the installation component includes: the fixed disc is arranged on the outer side wall of the driving shaft; according to the polishing machine, by means of the design of the components such as the spring pull rod and the clamping block of the installation component, the grinding disc is fixed in a clamping and fixing mode, only the grinding disc is required to be pressed forcefully during installation, and only the pull ring is required to be pulled during disassembly. According to the polishing machine, the rotary knob is rotated through the auxiliary assembly, so that the rotary ring moves downwards to push the fixed disc to move, the grinding discs with different thicknesses can be fixed, and the adaptability of the polishing machine is improved.

Description

Novel automatic polishing machine

Technical Field

The utility model relates to the technical field of polishing machines, in particular to a novel automatic polishing machine.

Background

The polishing machine is an electric tool for polishing metal surfaces, in the field of machining, a hand-held electric polishing machine is often needed for polishing small objects, the polishing machine is high in use frequency, abrasion of a polishing disc caused by long-time use is naturally avoided, polishing effect can be greatly affected if the polishing machine is not replaced in time, the polishing disc of the conventional polishing machine is generally clamped by two positioning blocks through threads, the fixing mode is time-consuming and labor-consuming for replacing the polishing disc, the operation efficiency is low, and the installation is unstable.

The utility model discloses a Chinese patent specification CN215942479U, which is an angle grinder convenient for replacing grinding sheets, designs a replaceable grinder and removes tools for specially disassembling grinding sheets.

However, the existing device needs special tools when disassembling, but needs to rotate the folding plate when in use, the known folding plate is installed at the bottom of the fixed disc, the volume of the existing device is small, a lot of effort is required to be spent when the existing device rotates, the installation is laborious and inconvenient, and a polishing machine with more convenient installation is designed aiming at the problems, so that the polishing disc is more convenient when being disassembled again.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a novel automatic polishing machine which has the advantages that the installation and the disassembly are more convenient, so that the millstone replacement becomes easier, and the problems that the existing device is inconvenient and laborious in installation are solved.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: a novel automatic grinder, comprising: a handle, one end of which is provided with a driving device; the driving shaft is arranged at the bottom of the driving device; the grinding disc is arranged on the outer side wall of the driving shaft; the inside of drive shaft is provided with the installation component, the installation component includes: the fixed disc is arranged on the outer side wall of the driving shaft; the groove bodies are symmetrically arranged on the inner side wall of the driving shaft; the springs are arranged on the inner side walls of the groove body; the clamping blocks are arranged at the other ends of the springs; the sliding rod is provided with two sliding rods which are arranged on the inner side wall of the spring, one end of the sliding rod is connected with the clamping block, and the other end of the sliding rod penetrates through the inner side wall of the groove body; a pull rod, the top of which penetrates through the bottom of the driving shaft; the block body is arranged at the top of the pull rod; the connecting rods are symmetrically hinged to the tops of the blocks; the other ends are hinged with the sliding rods.

Preferably: the mounting assembly further includes: the arc-shaped groove is formed in the bottom of the driving shaft.

Preferably: the mounting assembly further includes: and the pull ring is arranged at the bottom of the pull rod.

Preferably: the outer side wall of drive shaft is provided with auxiliary assembly, auxiliary assembly includes: the fixed grooves are symmetrically formed in the top of the grinding disc; the fixed blocks are symmetrically arranged at the bottom of the fixed disc.

Preferably: the auxiliary assembly further comprises: the rotating ring is arranged on the outer side wall of the driving shaft, is in threaded connection with the driving shaft and is in rotating connection with the fixed disc; the sliding grooves are symmetrically formed in the outer side wall of the driving shaft; the sliding block is arranged in the sliding groove in a sliding way and is connected with the fixed disc.

Preferably: the auxiliary assembly further comprises: the ball is provided with a plurality of, all set up in the bottom of slider.

Preferably: the auxiliary assembly further comprises: the rotating buttons are symmetrically arranged at the top of the rotating ring.

(III) beneficial effects

Compared with the prior art, the utility model provides a novel automatic polishing machine, which has the following beneficial effects:

1. according to the polishing machine, by means of the design of the components such as the spring pull rod and the clamping block of the installation component, the grinding disc is fixed in a clamping and fixing mode, only the grinding disc is required to be pressed forcefully during installation, and only the pull ring is required to be pulled during disassembly.

2. According to the polishing machine, the rotary knob is rotated through the auxiliary assembly, so that the rotary ring moves downwards to push the fixed disc to move, the grinding discs with different thicknesses can be fixed, and the adaptability of the polishing machine is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

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

FIG. 2 is a schematic view of the structure of the inside of the driving shaft of the present utility model;

fig. 3 is a schematic structural view of the connection between the sliding chute and the sliding block.

In the figure: 11. a handle; 12. a driving device; 13. a drive shaft; 14. grinding disc;

2. a mounting assembly; 21. a fixed plate; 22. a tank body; 23. a spring; 24. a clamping block; 25. a slide bar; 26. a pull rod; 27. a block; 28. a connecting rod; 29. an arc-shaped groove; 291. a pull ring;

3. an auxiliary component; 31. a fixing groove; 32. a fixed block; 33. a rotating ring; 34. a chute; 35. a slide block; 36. a ball; 37. a rotary knob.

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.

Example 1

A novel automatic grinder, comprising: a handle 11, wherein a driving device 12 is arranged at one end of the handle 11; a drive shaft 13 provided at the bottom of the drive device 12; a grinding disc 14 provided on the outer side wall of the drive shaft 13; the inside of the drive shaft 13 is provided with a mounting assembly 2, the mounting assembly 2 comprising: a fixed plate 21 provided on an outer side wall of the drive shaft 13; the groove body 22 is symmetrically arranged on the inner side wall of the driving shaft 13; springs 23, two of which are provided on the inner side wall of the tank 22; two clamping blocks 24 are arranged and are arranged at the other end of the spring 23; the sliding rods 25 are arranged on the inner side walls of the springs 23, one ends of the sliding rods are connected with the clamping blocks 24, and the other ends of the sliding rods penetrate through the inner side walls of the groove body 22; a pull rod 26, the top of which penetrates the bottom of the driving shaft 13; a block 27 provided on top of the tie rod 26; the connecting rods 28 are symmetrically hinged to the top of the block 27; the other ends are hinged with the sliding rods 25. The mounting assembly 2 further comprises: an arc-shaped groove 29 is formed at the bottom of the driving shaft 13. The mounting assembly 2 further comprises: and a pull ring 291 provided at the bottom of the pull rod 26.

Referring to fig. 1-3, when in use, the handle 11 is held by hand, the driving device 12 is started to drive the driving shaft 13 to rotate, the grinding disc 14 rotates along with the driving shaft, an article to be polished is ground, when the grinding disc 14 needs to be replaced, the pull ring 291 can be pulled outwards, at this time, the pull ring 291 drives the pull rod 26 to move outwards, the block 27 pulls the connecting rod 28 to move, the connecting rod 28 pulls the slide rod 25 outwards, the slide rod 25 drives the clamping block 24 to move outwards, at this time, the spring 23 is compressed, and when the clamping block 24 is completely moved into the groove body 22, the grinding disc 14 does not have the blocking of the clamping block 24, and can slide down from the upper surface of the driving shaft 13. The pull ring 291 is loosened, the clamping block 24 is reset, the inner side wall of the new grinding disc 14 is sleeved on the driving shaft 13, the grinding disc 14 is pressed inwards, the clamping block 24 is extruded by the grinding disc 14 to shrink inwards until the grinding disc 14 passes, and after the spring 23 rebounds to push the clamping block 24 to reset, the grinding disc 14 can be prevented from sliding down, so that the grinding disc is fixed;

example two

An auxiliary component is added on the basis of the first embodiment;

the outer side wall of the drive shaft 13 is provided with an auxiliary assembly 3, the auxiliary assembly 3 comprising: the fixed groove 31 is symmetrically arranged at the top of the grinding disc 14; the fixed block 32 is symmetrically arranged at the bottom of the fixed disk 21. The auxiliary assembly 3 further comprises: a rotating ring 33 disposed on an outer side wall of the driving shaft 13 and screwed to the driving shaft 13, and rotatably coupled to the fixed disk 21; the sliding groove 34 is symmetrically arranged on the outer side wall of the driving shaft 13; and a slider 35 slidably disposed in the chute 34 and connected to the fixed disk 21. The auxiliary assembly 3 further comprises: a plurality of balls 36 are provided and are provided at the bottom of the slider 35. The auxiliary assembly 3 further comprises: the rotating buttons 37 are symmetrically arranged on the top of the rotating ring 33.

Referring to fig. 1-3, in use, the fixing block 32 and the fixing groove 31 can enable the grinding disc 14 to be better fixed, no slipping phenomenon can occur, meanwhile, if the grinding disc 14 with different thickness is encountered, the rotating button 37 can be rotated to enable the rotating ring 33 to rotate, the fixing disc 21 is pushed to move downwards, the sliding block 35 slides in the sliding groove 34 while moving, the fixing disc 21 is guaranteed to move downwards stably, and the rolling balls 36 can reduce friction force between the sliding block 35 and the sliding groove 34 while sliding.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims (7)

1. A novel automatic grinder, comprising:

a handle (11), wherein a driving device (12) is arranged at one end of the handle (11);

a drive shaft (13) provided at the bottom of the drive device (12);

a grinding disc (14) arranged on the outer side wall of the driving shaft (13);

the method is characterized in that: the inside of drive shaft (13) is provided with installation component (2), installation component (2) include:

a fixed disk (21) provided on the outer side wall of the drive shaft (13);

the groove body (22) is symmetrically arranged on the inner side wall of the driving shaft (13);

the springs (23) are arranged on the inner side walls of the groove body (22);

the clamping blocks (24) are arranged at two ends and are arranged at the other end of the spring (23);

the two sliding rods (25) are arranged on the inner side walls of the springs (23), one ends of the sliding rods are connected with the clamping blocks (24), and the other ends of the sliding rods penetrate through the inner side walls of the groove bodies (22);

a pull rod (26) with the top penetrating the bottom of the drive shaft (13);

a block (27) arranged on top of the pull rod (26);

the connecting rods (28) are symmetrically hinged to the tops of the blocks (27); the other ends are hinged with the sliding rod (25).

2. The novel automatic polishing machine according to claim 1, wherein: the mounting assembly (2) further comprises:

an arc-shaped groove (29) is arranged at the bottom of the driving shaft (13).

3. The novel automatic polishing machine according to claim 1, wherein: the mounting assembly (2) further comprises:

and a pull ring (291) provided at the bottom of the pull rod (26).

4. The novel automatic polishing machine according to claim 1, wherein: the outer side wall of the drive shaft (13) is provided with an auxiliary assembly (3), the auxiliary assembly (3) comprising:

the fixed grooves (31) are symmetrically formed in the top of the grinding disc (14);

and the fixed blocks (32) are symmetrically arranged at the bottom of the fixed disc (21).

5. The novel automatic polishing machine according to claim 4, wherein: the auxiliary assembly (3) further comprises:

a rotating ring (33) which is arranged on the outer side wall of the driving shaft (13) and is in threaded connection with the driving shaft (13) and is in rotating connection with the fixed disc (21);

the sliding groove (34) is symmetrically arranged on the outer side wall of the driving shaft (13);

and the sliding block (35) is arranged in the sliding groove (34) in a sliding way and is connected with the fixed disc (21).

6. The novel automatic polishing machine according to claim 5, wherein: the auxiliary assembly (3) further comprises:

and a plurality of balls (36) which are arranged at the bottom of the sliding block (35).

7. The novel automatic polishing machine according to claim 5, wherein: the auxiliary assembly (3) further comprises:

the rotating buttons (37) are symmetrically arranged at the top of the rotating ring (33).