CN109202585B

CN109202585B - Angle-adjustable double-side grinding machine

Info

Publication number: CN109202585B
Application number: CN201811104828.6A
Authority: CN
Inventors: 夏春; 黎耀南; 吴春桥; 剪元香
Original assignee: China First Metallurgical Group Co Ltd
Current assignee: China First Metallurgical Group Co Ltd
Priority date: 2018-09-21
Filing date: 2018-09-21
Publication date: 2020-05-01
Anticipated expiration: 2038-09-21
Also published as: CN109202585A

Abstract

The invention relates to an angle-adjustable double-sided polisher which comprises an polisher body, wherein a sleeve is fixedly installed at the front end of the polisher body, rotating bases are installed at the front end and the rear end of the sleeve respectively, polishing assemblies are installed on the two rotating bases respectively, each polishing assembly comprises a motor and a polishing piece, and the two groups of polishing assemblies are located on two sides of the axis of the sleeve respectively. The angle-adjustable double-side grinding machine can quickly and accurately grind right-angle surfaces or two surfaces with other included angles of a workpiece at the same time, ensures the grinding angle and the flatness of the two surfaces, and solves the problem that the grinding impression quality of edges and corners cannot be influenced because the two surfaces of the edges and corners cannot be simultaneously ground when the edges and corners of the workpiece are ground in the prior art.

Description

Angle-adjustable double-side grinding machine

Technical Field

The invention relates to the technical field of polishing equipment, in particular to an angle-adjustable double-face polishing machine.

Background

The mechanical equipment comprises a plurality of processing equipment, wherein the grinding equipment is one of the common equipment and is used for grinding the surface of a metal or nonmetal workpiece, removing burrs and protruding particles on the surface of the workpiece and ensuring the precision of the workpiece.

However, the existing polisher can only polish a single surface, and a machine tool polisher is required to be adopted to ensure that the right angle or other angles of a workpiece are polished firstly on one surface, and then the corner of the workpiece is polished on the other surface. Such a mode is only suitable for workpiece polishing which is convenient to move and simple in structure. The machining accuracy of included angles of two surfaces of the edge angle cannot be guaranteed for workpieces with longer edge angles and irregular grinding paths.

In view of this, it is desirable to provide a portable polishing machine capable of polishing two surfaces of an edge angle at the same time, and satisfying right-angle or multi-angle shaping polishing, so as to improve the polishing precision of the edge angle.

Disclosure of Invention

The invention aims to solve the technical problem that in the prior art, when an edge angle of a workpiece is polished, two surfaces of the edge angle cannot be polished at the same time, and the polishing impression quality of the edge angle is influenced.

The technical scheme adopted by the invention for solving the technical problems is as follows:

the utility model provides a two-sided polisher of adjustable angle, includes the organism, the front end fixed mounting of organism has the sleeve, the rotation base is installed respectively at telescopic preceding, back both ends, installs the subassembly of polishing on two rotation bases respectively, the subassembly of polishing includes the motor and the piece of polishing, and two sets of subassemblies of polishing are located respectively the both sides of sleeve axis.

In the above scheme, bearings are respectively installed at the front end and the rear end of the sleeve, the inner ring of each bearing is fixedly connected with the sleeve, and the outer ring of each bearing is fixedly connected with the rotating base.

In the above scheme, the rotating base is of an annular structure, an inner ring of the annular structure is divided into a connecting section and a limiting section along the axial direction of the sleeve, wherein the connecting section is fixedly connected with an outer ring of the bearing, the limiting section is provided with a circle of first internal gears, and the polishing assembly is installed on the outer ring of the annular structure.

In the above scheme, two-sided polisher still includes two base angle spacing rings, two base angle spacing rings set up respectively in two outsides that rotate the base, and with organism fixed connection, the inner circle of base angle spacing ring be equipped with the same second internal gear of first internal gear shape.

In the above scheme, two-sided polisher still includes elasticity round pin axle that resets, elasticity reset pin axle including alternate in center pin in the sleeve, set up two spaced gear heads in tandem along the axial on the center pin, a gear head matches a set of rotation base and base angle spacing ring: the length of the gear head is equal to the sum of the first internal gear and the second internal gear, and the gear head is meshed with the first internal gear and the second internal gear simultaneously; be equipped with the limiting plate that is fixed in on the center pin between two gear heads, fixed mounting has the baffle in the sleeve, the cover is equipped with reset spring between limiting plate and the baffle.

In the scheme, the machine body is of an L-shaped structure, the tail end of the long edge of the L-shaped structure is provided with a handle, a switch arranged in the handle is connected with the motor, and the switch controls the starting, closing, forward rotation and reverse rotation of the motor; the sleeve is fixedly arranged on the lower part of the short side of the L-shaped structure.

In the above scheme, two-sided polisher still includes the dust cover, the dust cover install in on the organism, the subassembly of polishing is located the dust cover, the dust cover top is equipped with the equipment interface for connect outside dust extraction and water spray device.

The invention has the beneficial effects that:

1. the angle-adjustable double-side grinding machine can quickly and accurately grind right-angle surfaces or two surfaces with other included angles of a workpiece at the same time, ensures the grinding angle and the flatness of the two surfaces, and solves the problem that the grinding impression quality of edges and corners cannot be influenced because the two surfaces of the edges and corners cannot be simultaneously ground when the edges and corners of the workpiece are ground in the prior art.

2. The angle-adjustable double-sided grinding machine is compact in structural design, simple to operate and convenient to popularize.

Drawings

The invention will be further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic structural view of an adjustable angle double side sander according to the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is an exploded view of a portion of the adjustable angle double side sander of the present invention;

FIG. 4 is an assembly view of FIG. 3;

FIG. 5 is a structural diagram of an elastic reset pin shaft of the adjustable angle double-sided sander according to the present invention;

FIG. 6 is a schematic diagram showing the release of the elastic reset pin of the adjustable angle double-side sander according to the present invention;

FIG. 7 is a schematic locking view of the elastic reset pin shaft of the adjustable angle double side sander according to the present invention;

FIG. 8 is a schematic view of the adjustable angle double side sander for sanding a workpiece according to the present invention;

FIG. 9 is a schematic view of the dust cover assembly of the adjustable angle double side sander of the present invention.

In the figure: 10. a body; 20. a sleeve; 21. a baffle plate; 30. rotating the base; 31. a first internal gear; 32. a motor fixing plate; 40. polishing the assembly; 41. a motor; 42. grinding the sheets; 50. a bearing; 51. a bearing inner race; 52. a bearing outer race; 60. a base angle limiting ring; 61. a second internal gear; 70. an elastic reset pin shaft; 71. a gear head; 72. a limiting plate; 73. a return spring; 74. a handle; 75. a central shaft; 80. a handle; 90. a dust cover; 91. a device connector; 200. and (5) a workpiece.

Detailed Description

For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

As shown in fig. 1-2, an angle-adjustable double-side sander according to a preferred embodiment of the present invention includes a machine body 10, a sleeve 20 is fixedly installed at a front end of the machine body 10, rotating bases 30 are respectively installed at front and rear ends of the sleeve 20, grinding assemblies 40 are respectively installed on the two rotating bases 30, each grinding assembly 40 includes a motor 41 and a grinding sheet 42, two sets of grinding assemblies 40 are respectively located at left and right sides of an axis of the sleeve 20, and the rotating bases 30 rotate around the axis of the sleeve 20 to adjust an angle of the two sets of grinding assemblies 40.

3-4, bearings 50 are respectively installed at the front end and the rear end of the sleeve 20, a bearing inner ring 51 is fixedly connected with the sleeve 20, and a bearing outer ring 52 is fixedly connected with the rotating base 30. The rotating base 30 is an annular structure, an inner ring of the annular structure is divided into a connecting section and a limiting section along the axial direction of the sleeve 20, wherein the connecting section is fixedly connected with an outer ring of the bearing 50, and the limiting section is provided with a circle of first internal gear 31. The motor fixing plate 32 is mounted on the outer ring of the annular structure, the motor 41 is mounted on the motor fixing plate 32, and the polishing disc 42 is mounted on the rotating shaft of the motor 41. The rotating base 30 has a hollow structure to install the wires.

Further optimize, the double-side grinding machine further comprises two base angle limiting rings 60, the two base angle limiting rings 60 are respectively arranged on the outer sides of the two rotating bases 30 and are fixedly connected with the machine body 10, and the inner ring of the base angle limiting ring 60 is provided with a second inner gear 61 which is the same as the first inner gear 31 in shape.

Further optimize, as shown in fig. 5, the double-side sander further includes an elastic reset pin 70, the elastic reset pin 70 includes a central shaft 75 inserted into the sleeve 20, two spaced gear heads 71 are arranged in tandem on the central shaft 75 along the axial direction, one gear head 71 matches a set of rotating base 30 and base angle limiting ring 60: the length of the gear head 71 is equal to the sum of the first internal gear 31 and the second internal gear 61, and the gear head 71 is meshed with the first internal gear 31 and the second internal gear 61 simultaneously. A limit plate 72 fixed to the central shaft 75 is provided between the two gear heads 71, and the diameter of the limit plate 72 is the same as the inner diameter of the sleeve 20. The baffle 21 is fixedly installed in the sleeve 20, and a return spring 73 is sleeved between the limiting plate 72 and the baffle 21. A handle 74 is provided at the rear end of the center shaft 75, and the handle 74, the two gear heads 71, and the stopper plate 72 are integrally connected to the center shaft 75.

As shown in fig. 6-7, when the handle 74 is pulled, the two gear heads 71 respectively withdraw from the meshed first internal gear 31 and second internal gear 61, the limit plate 72 moves backwards to compress the return spring 73, and then the included angle between the two rotating bases 30 can be adjusted; after the angle is adjusted, the handle 74 is loosened, and under the resilience force of the return spring 73, the two gear heads 71 return to the first internal gear 31 and the second internal gear 61, so that the positioning of the included angle of the two rotating bases 30 is completed.

Further optimization, the machine body 10 is of an L-shaped structure, the tail end of the long edge of the L-shaped structure is provided with a handle 80, a switch is arranged in the handle 80 and is connected with the motor 41, and the switch controls the starting, closing, forward rotation and reverse rotation of the motor 41; the sleeve 20 is fixedly mounted to the lower portion of the short side of the L-shaped structure. The handle 80 may be internally or externally powered to meet the power requirements.

As shown in fig. 8, in use, when the handle 74 is pulled, the two gear heads 71 respectively withdraw from the meshed first and second

internal gears

31 and 61, the limit plate 72 moves backwards to compress the return spring 73, the polishing pads 42 are placed on the workpiece 200, and the angle of the rotating base 30 is adjusted to enable the two polishing pads 42 to respectively cling to two surfaces of the workpiece 200; then the handle 74 is loosened, under the action of the resilience force of the return spring 73, the two gear heads 71 return to the first internal gear 31 and the second internal gear 61, the positioning of the included angle of the two rotating bases 30 is completed, and the workpiece 200 can be ground.

Preferably, as shown in fig. 9, a dust cover 90 may be added to the double-side grinding machine, the dust cover 90 is mounted on the machine body 10, the grinding assembly 40 is located in the dust cover 90, and the top of the dust cover 90 is sequentially provided with an equipment connector 91 connected with the dust suction device and an equipment connector 91 connected with the water mist spraying device.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. The double-side grinding machine with the adjustable angle comprises a machine body and is characterized in that a sleeve is fixedly installed at the front end of the machine body, rotating bases are installed at the front end and the rear end of the sleeve respectively, grinding assemblies are installed on the two rotating bases respectively, each grinding assembly comprises a motor and a grinding piece, the two groups of grinding assemblies are located on the left side and the right side of the axis of the sleeve respectively, and the rotating bases rotate around the axis of the sleeve to adjust the angles of the two groups of grinding assemblies; the rotating base is of an annular structure, an inner ring of the annular structure is divided into a connecting section and a limiting section along the axial direction of the sleeve, the connecting section is rotationally connected with the sleeve, and the limiting section is provided with a circle of first inner gears; the double-sided polisher further comprises two base angle limiting rings, the two base angle limiting rings are arranged on the outer sides of the two rotating bases respectively, and a second inner gear which is the same as the first inner gear in shape is arranged on an inner ring of each base angle limiting ring; the double-sided polisher further comprises an elastic reset pin shaft, the elastic reset pin shaft comprises a center shaft which is inserted into the sleeve, two spaced gear heads are arranged in tandem on the center shaft along the axial direction, one gear head is matched with a set of rotating base and a base angle limiting ring, and the gear head is meshed with the first internal gear and the second internal gear simultaneously.

2. The adjustable angle double-sided sander according to claim 1, wherein bearings are mounted to the front and rear ends of the sleeve, respectively, and an inner ring of the bearing is fixedly connected to the sleeve and an outer ring of the bearing is fixedly connected to the rotating base.

3. The adjustable angle double side sander according to claim 2, wherein the connection section of the rotating base is fixedly connected to the outer ring of the bearing, and the sanding assembly is mounted to the outer ring of the ring structure.

4. The adjustable angle double side sander according to claim 1, wherein the two base angle stop rings are each fixedly attached to the machine body.

5. The adjustable angle double side sander of claim 1, wherein the gear head has a length equal to the sum of the first internal gear and the second internal gear; be equipped with the limiting plate that is fixed in on the center pin between two gear heads, fixed mounting has the baffle in the sleeve, the cover is equipped with reset spring between limiting plate and the baffle.

6. The adjustable angle double-sided sander according to claim 1, wherein the machine body is of an L-shaped structure, a handle is arranged at the end of the long side of the L-shaped structure, a switch is arranged in the handle and connected with the motor, and the switch controls the motor to be started, closed, rotated forward and rotated backward; the sleeve is fixedly arranged on the lower part of the short side of the L-shaped structure.

7. The adjustable angle double side sander as set forth in claim 1, further comprising a dust cover mounted to said housing, said sanding assembly being located within said dust cover, said dust cover having an equipment interface at the top for connecting an external dust extraction device and a water mist spray device.