CN215240024U

CN215240024U - Polishing device

Info

Publication number: CN215240024U
Application number: CN202121719029.7U
Authority: CN
Inventors: 朱文彪; 张思凡; 肖昌洪; 罗齐全; 张孟霞
Original assignee: Chenggong Heavy Industry Suining Machinery Co ltd
Current assignee: Chenggong Heavy Industry Suining Machinery Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2021-12-21
Anticipated expiration: 2031-07-27

Abstract

The application provides a grinding device, includes: mounting bracket, pivot, rotating sleeve and grinding wheel. The mounting bracket is provided with a pair of parallel supporting plates, wherein one supporting plate is provided with a driving motor. The rear end of the rotating shaft penetrates through the supporting plate where the driving motor is located, and a gap is reserved between the front end of the rotating shaft and the other supporting plate. The rotating sleeve comprises a mounting plate, and a rotatable connecting pipe is vertically arranged on the mounting plate; a gap is reserved between the connecting pipe and the supporting plate, the mounting plate is connected to the outer side of the supporting plate, and the front end of the connecting pipe is connected with the front end of the rotating shaft. The number of the grinding wheels is at least one, through holes are coaxially processed on the grinding wheels, and the grinding wheels are arranged on the rotating shaft in a penetrating mode through the through holes; the side wall of the through hole is provided with a movable pressing block along the normal direction of the polishing wheel, and the pressing block is pressed on the rotating shaft; and one end of the polishing wheel is provided with a screw in a penetrating way, and the pressing block is fixed by the screw. The disassembly and assembly replacement of the polishing wheel is convenient, the production efficiency is improved, the polishing wheel operates stably, and the structural safety is high.

Description

Polishing device

Technical Field

The utility model belongs to the technical field of the mechanical production processing, especially, relate to a grinding device.

Background

In the mechanical production and processing, a grinding device is often needed, and the grinding device usually adopts a motor to drive a grinding wheel to rotate at a high speed, so that the grinding work of parts is realized. The prior polishing device has a structure of a single polishing wheel and also has a structure of a plurality of polishing wheels. The polishing wheel is used as a vulnerable product in polishing processing and needs to be replaced frequently, but the existing polishing device is inconvenient for dismounting and replacing the polishing wheel, and the production efficiency is influenced greatly; in addition, the existing polishing device mostly adopts a connecting shaft of a cantilever mechanism to install a polishing disc, so that the polishing wheel has larger vibration, and particularly when the polishing wheel is in a multi-disc polishing wheel structure, the connecting shaft needs to bear huge radial torque due to the fact that the number of the polishing wheels is large, the weight is large, the connecting shaft has the risk of fatigue fracture, and serious potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

For solving prior art not enough, the utility model provides a grinding device, the dismouting of the wheel of polishing of being convenient for is changed, helps improving production efficiency, and the wheel of polishing operates steadily, and the structural security is high.

In order to realize the purpose of the utility model, the following scheme is proposed:

an abrading device, comprising: mounting bracket, pivot, rotating sleeve and grinding wheel.

The mounting bracket is provided with a pair of parallel supporting plates, wherein a driving motor is arranged on the outer side of one supporting plate, and a main shaft of the driving motor vertically faces the supporting plate on the other side.

The rear end of the rotating shaft penetrates through the supporting plate where the driving motor is located and is coaxially connected with a main shaft of the driving motor, and a gap is reserved between the front end of the rotating shaft and the other supporting plate.

The rotating sleeve comprises a mounting plate, and a rotatable connecting pipe is vertically arranged on the mounting plate; the connecting pipe passes through the supporting plate corresponding to the front end of the rotating shaft, a gap is reserved between the outer wall of the connecting pipe and the supporting plate, the mounting plate is connected to the outer side of the supporting plate, and the front end of the connecting pipe is connected with the front end of the rotating shaft.

The number of the grinding wheels is at least one, through holes are coaxially processed on the grinding wheels, and the grinding wheels are arranged on the rotating shaft in a penetrating mode through the through holes; the side wall of the through hole is provided with a movable pressing block along the normal direction of the polishing wheel, and the pressing block is pressed on the rotating shaft to fix the polishing wheel; and one end of the polishing wheel is provided with a screw in a penetrating way, and the pressing block is fixed by the screw.

Furthermore, the cross sections of the rotating shaft and the through hole are both in a square structure, and the pressing block is perpendicular to one side wall of the rotating shaft.

Furthermore, a positioning hole is formed in the side wall of the rotating shaft corresponding to the position compressed by the pressing block, and the end part of the pressing block is positioned in the positioning hole during assembly.

Furthermore, the front end of the rotating shaft is provided with a cone frustum, the front end of the connecting pipe is provided with a cone hole, and the cone frustum is attached to the cone hole during assembly.

Furthermore, the end face of the cone frustum is provided with a hexagonal connecting hole along the axis direction of the rotating shaft, the bottom surface of the cone hole is provided with a hexagonal connecting rod along the axis direction of the connecting pipe, and the connecting rod is connected with the connecting hole in a matched mode.

The beneficial effects of the utility model reside in that: the rotating shaft is connected with the pair of supporting plates through the rotating sleeve, and the rotating shaft is supported from both ends, so that a cantilever structure is avoided, and the stability of high-speed rotation of the grinding wheel is greatly improved; the vibration of the grinding wheel is reduced, the radial stress of the rotating shaft is reduced, and the safety of the device is improved; the interval is reserved between the rotating shaft and the supporting plate, and the polishing wheel is convenient to assemble and disassemble.

Drawings

The drawings described herein are for illustrative purposes only of selected embodiments and not all possible implementations, and are not intended to limit the scope of the present disclosure.

Fig. 1 shows an embodiment of the present application.

Fig. 2 shows an exploded view of an embodiment of the present application.

Fig. 3 shows a block diagram of the rotating sleeve.

Fig. 4 shows a cross-sectional view of the connection of the holding-down block to the spindle.

The labels in the figure are: the device comprises a mounting frame-10, a supporting plate-11, a driving motor-12, a rotating shaft-20, a positioning hole-201, a cone frustum-21, a connecting hole-211, a rotating sleeve-30, a mounting plate-31, a connecting pipe-32, a cone hole-321, a connecting rod-322, a polishing wheel-40, a through hole-41, a pressing block-42 and a screw-43.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, but the described embodiments of the present invention are some embodiments of the present invention, not all embodiments.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the product of the present invention is usually placed when in use, and this is only for the convenience of description of the present invention and simplification of the description. The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "parallel", "perpendicular", etc. do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either directly or indirectly through intervening media, or through both elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1 to 4, a polishing apparatus includes: mounting bracket 10, rotating shaft 20, rotating sleeve 30 and grinding wheel 40.

Specifically, the mounting frame 10 is provided with a pair of parallel supporting plates 11, wherein a driving motor 12 is arranged outside one supporting plate 11, and a main shaft of the driving motor 12 vertically faces the supporting plate 11 on the other side.

Specifically, the rear end of the rotating shaft 20 passes through the supporting plate 11 where the driving motor 12 is located, and is coaxially connected to the main shaft of the driving motor 12, and a space is provided between the front end of the rotating shaft 20 and the other supporting plate 11, so as to load or unload the grinding wheel 40 from the space.

Specifically, the rotating sleeve 30 includes a mounting plate 31, and the mounting plate 31 is vertically provided with a rotatable connecting pipe 32. The connection tube 32 passes through the support plate 11 corresponding to the front end of the rotating shaft 20, and a gap is formed between the outer wall of the connection tube 32 and the support plate 11, so as to facilitate the disassembly and assembly of the grinding wheel 40. The mounting plate 31 is connected to the outer side of the same support plate 11 through a screw rod so as to be convenient to disassemble and assemble. The front end of the connection pipe 32 is connected to the front end of the rotation shaft 20.

Specifically, the number of the grinding wheels 40 is at least one, through holes 41 are coaxially processed on the grinding wheels 40, and the grinding wheels 40 penetrate through the rotating shaft 20 through the through holes 41; a movable pressing block 42 is arranged on the side wall of the through hole 41 along the normal direction of the grinding wheel 40, and the pressing block 42 is pressed on the rotating shaft 20 to fix the grinding wheel 40; one end of the grinding wheel 40 is provided with a screw 43, and the pressing block 42 is fixed by the screw.

Preferably, as shown in fig. 2, the rotating shaft 20 and the through hole 41 have a square cross section, and the pressing block 42 is perpendicular to one side wall of the rotating shaft 20, so that the grinding wheel 40 can be effectively prevented from rotating relative to the rotating shaft 20 by the connecting structure with the rectangular cross section.

Preferably, as shown in fig. 2 and 4, a positioning hole 201 is formed in the side wall of the rotating shaft 20 at a position corresponding to the pressing position of the pressing block 42, and when the assembly is performed, the end of the pressing block 42 is located in the positioning hole 201, so that the grinding wheel 40 can be prevented from sliding along the axis of the rotating shaft 20, and the connection stability can be improved.

Preferably, as shown in fig. 2 and 3, the front end of the rotating shaft 20 has a truncated cone 21, and the front end of the connecting pipe 32 has a conical hole 321, so that when assembling, the truncated cone 21 is attached to the conical hole 321, which not only can improve the coaxiality between the connecting pipe 32 and the rotating shaft 20, but also can increase the friction force between the connecting pipe 32 and the rotating shaft 20, prevent the relative rotation between the two, and reduce the wear; simultaneously, the method is directly adopted; the connection structure of the cone frustum 21 and the cone hole 321 is simple, and the grinding wheel 40 can be conveniently and quickly assembled and disassembled.

Preferably, as shown in fig. 2 and 3, a hexagonal connection hole 211 is formed in an end surface of the truncated cone 21 along an axial direction of the rotating shaft 20, a hexagonal connection rod 322 is disposed at a bottom surface of the truncated cone 321 along the axial direction of the connection pipe 32, and the connection rod 322 is coupled to the connection hole 211 to prevent relative rotation between the rotating shaft 20 and the connection pipe 32.

The foregoing is only a preferred embodiment of the invention and is not intended to be the only or limiting embodiment of the invention. It should be understood by those skilled in the art that various changes and equivalent substitutions made herein may be made without departing from the scope of the invention as defined by the appended claims.

Claims

1. An abrading device, comprising:

the mounting rack (10) is provided with a pair of parallel supporting plates (11), a driving motor (12) is arranged on the outer side of one supporting plate (11), and a main shaft of the driving motor (12) vertically faces the supporting plate (11) on the other side;

the rear end of the rotating shaft (20) penetrates through the supporting plate (11) where the driving motor (12) is located and is coaxially connected with a main shaft of the driving motor (12), and a gap is formed between the front end of the rotating shaft (20) and the other supporting plate (11);

the rotating sleeve (30) comprises a mounting plate (31), and the mounting plate (31) is vertically provided with a rotatable connecting pipe (32); the connecting pipe (32) penetrates through the supporting plate (11) corresponding to the front end of the rotating shaft (20), a gap is formed between the outer wall of the connecting pipe (32) and the supporting plate (11), the mounting plate (31) is connected to the outer side of the supporting plate (11), and the front end of the connecting pipe (32) is connected with the front end of the rotating shaft (20);

the grinding wheel (40) is at least one, a through hole (41) is formed in the grinding wheel (40) along the axial direction, and the grinding wheel (40) penetrates through the rotating shaft (20) through the through hole (41); a movable pressing block (42) is arranged on the side wall of the through hole (41) along the normal direction of the grinding wheel (40), and the pressing block (42) is pressed on the rotating shaft (20) to fix the grinding wheel (40); one end of the grinding wheel (40) is provided with a screw (43) in a penetrating way, and a pressing block (42) is fixed by the screw.

2. A grinding device as claimed in claim 1, characterized in that the cross-sections of the shaft (20) and the through-hole (41) are of a square configuration, and the pressing block (42) is perpendicular to one of the side walls of the shaft (20).

3. The grinding device as claimed in claim 1, characterized in that the side wall of the rotating shaft (20) is provided with a positioning hole (201) corresponding to the position pressed by the pressing block (42), and the end of the pressing block (42) is positioned in the positioning hole (201) during assembly.

4. A sanding device as defined in claim 1, characterized in that the front end of the shaft (20) has a truncated cone (21) and the front end of the connecting tube (32) has a tapered bore (321), the truncated cone (21) fitting into the tapered bore (321) during assembly.

5. The polishing device as claimed in claim 4, wherein the end face of the truncated cone (21) is provided with a hexagonal connection hole (211) along the axial direction of the rotating shaft (20), the bottom surface of the truncated cone hole (321) is provided with a hexagonal connection rod (322) along the axial direction of the connection pipe (32), and the connection rod (322) is connected with the connection hole (211) in a matching manner.