CN113290476A

CN113290476A - Polishing machine with replaceable polishing angle

Info

Publication number: CN113290476A
Application number: CN202110840817.XA
Authority: CN
Inventors: 时磊
Original assignee: Xuzhou Xiangrui Construction Machinery Technology Co ltd
Current assignee: Xuzhou Henghui Heating Co.,Ltd.
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2021-08-24
Anticipated expiration: 2041-07-26
Also published as: CN113290476B

Abstract

The invention relates to the technical field of polishing machines, in particular to a polishing machine with a replaceable polishing angle, which comprises a supporting mechanism, wherein a polishing mechanism is arranged on the supporting mechanism, a regulating mechanism is connected onto the polishing mechanism, an adjusting mechanism is arranged in the supporting mechanism, a placing mechanism is arranged on the supporting mechanism, a clamping mechanism is arranged on the placing mechanism, a clamping mechanism is arranged on the polishing mechanism, and a fastening mechanism is arranged in the clamping mechanism; conveniently polish work to spare part under supporting mechanism and polishing mechanism's effect, conveniently polish the angle modulation of polishing mechanism under the effect of regulation and control mechanism simultaneously, make things convenient for different spare parts to polish, conveniently place the installation of spare part under adjustment mechanism, placement mechanism and fixture's effect.

Description

Polishing machine with replaceable polishing angle

Technical Field

The invention relates to the technical field of polishing machines, in particular to a polishing machine with a replaceable polishing angle.

Background

Polishing machines, also known as grinders, are often used for mechanical grinding, polishing and waxing, and the aim of removing paint surface contamination, oxide layers and shallow marks is achieved due to the combined action of a polishing disk and a polishing agent and the friction between the polishing disk and the surface to be polished.

However, when polishing a workpiece, the traditional polishing machine is inconvenient to adjust the angle, so that the inclined plane and the groove of the workpiece are inconvenient to perform better polishing work, most workers need to hold and polish the workpiece during polishing, the polishing machine consumes time and labor during operation, the polishing force is inconvenient to control, the workpiece is polished irregularly, the polishing quality of the workpiece is affected, the danger coefficient is large, and the hand damage is easily caused carelessly.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a polishing machine with a replaceable polishing angle.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a polishing machine that polishing angle can be changed, includes supporting mechanism, the last polishing mechanism of installing of supporting mechanism, the last regulation and control mechanism that is connected with of polishing mechanism, supporting mechanism internally mounted has adjustment mechanism, the last placing mechanism of installing of supporting mechanism, the last fixture of installing of placing mechanism, install block mechanism in the last block mechanism of polishing mechanism, block mechanism internally mounted has fastening device.

Specifically, the supporting mechanism includes the bottom plate, be connected with the stand on the bottom plate perpendicularly, be equipped with spout and backup pad on the stand, the backup pad passes through spout and stand sliding connection, install two sets of fixed blocks in the backup pad, the fixed block is the trapezium structure, it is connected with a plurality of guide pulleys to rotate on the fixed block, the guide pulley is contradicted with the stand both sides respectively.

Specifically, adjustment mechanism includes the lead screw, the inside lead screw that is equipped with of spout, lead screw and stand fixed connection, the backup pad extends to inside the spout, backup pad and lead screw sliding connection, it is connected with the fourth helical gear to rotate in the backup pad, fourth helical gear and lead screw threaded connection, it is connected with the bull stick to rotate in the backup pad, fixedly connected with third helical gear on the bull stick, third helical gear and the perpendicular meshing of fourth helical gear, fixedly connected with carousel on the bull stick.

Specifically, polishing mechanism includes the motor, install the motor on the stand, install fixed cover on the stand, the fixed casing that is connected with on the fixed casing, fixed cover internal rotation is connected with the pivot, pivot one end runs through in stand and motor output shaft, the pivot other end extends to inside the set casing, it is connected with even axle to rotate on the set casing, even epaxial dull polish dish of installing, even inside the axle extends to the set casing, even epaxial second helical gear of installing, install first helical gear in the pivot, first helical gear and the perpendicular meshing of second helical gear.

It is specific, regulation and control mechanism includes the adapter sleeve, the adapter sleeve is "T" shape hexagonal prism structure, be equipped with the adapter sleeve between fixed cover and the set casing, adapter sleeve and pivot sliding connection, adapter sleeve one end is through conflict spring and the inside sliding connection of set casing, the adapter sleeve other end is contradicted with fixed cover, install a plurality of archs that are annular equidistance and distribute on the adapter sleeve perpendicularly, the arch respectively with the inside block of fixed cover.

Specifically, install the second handle on the set casing, fixedly connected with gag lever post on the set casing, the first handle of fixedly connected with on the connecting sleeve, be equipped with the guide slot on the first handle, first handle passes through guide slot and gag lever post sliding connection, first handle and set casing sliding connection, first handle and second handle are "L" shape structure.

Specifically, the placing mechanism comprises a placing plate, the placing plate is arranged on a supporting plate, two groups of supporting seats are arranged on the supporting plate, a sliding rod is arranged between the supporting seats respectively, the placing plate is connected with the sliding rod in a sliding mode, the placing plate is connected with the supporting plate in a sliding mode through the sliding rod, and two handles are arranged on the placing plate.

Specifically, fixture includes first splint, first splint are "T" shape structure, be equipped with first splint on placing the board, first splint pass through expanding spring and place board sliding connection, be equipped with second splint and connecting seat on placing the board, the connecting seat with place board fixed connection, threaded connection has the screw rod on the connecting seat, the screw rod is connected with second splint center department rotation, the second splint pass through the screw rod and place board sliding connection, install the leather packing on first splint and the second splint respectively.

The clamping mechanism comprises a fixed seat, a fixed seat is detachably connected to the sanding disc, the fixed seat is of a round table structure, the shaft is connected with the inside of the fixed seat in a sliding mode, a plurality of clamping grooves are formed in the shaft, a plurality of clamping pins are arranged inside the fixed seat, the clamping pins are of a T-shaped structure, a top block is connected to the clamping pins, the clamping pins and the top block are connected with the inside of the fixed seat in a sliding mode through compression springs, the clamping pins extend to the outside of the fixed seat and are abutted to the inside of the clamping grooves, a rotating sleeve is connected to the fixed seat through threads, the top block extends to the outside of the fixed seat and is abutted to the rotating sleeve, and one end of the top block is of a hemispherical structure.

Specifically, fastening device includes the block rubber, the inside block rubber that is equipped with of fixing base, the block rubber is "protruding" font structure, the block rubber is through a plurality of extrusion springs and the inside sliding connection of fixing base, the block rubber extends to the fixing base is outside contradicts with even axle.

The invention has the beneficial effects that:

(1) the polishing machine with the replaceable polishing angle is convenient for placing parts and mounting the polishing mechanism under the action of the supporting mechanism, so that the parts can be polished conveniently.

(2) The polishing machine with the replaceable polishing angle, provided by the invention, has the advantages that the angle of the polishing mechanism can be conveniently adjusted and changed under the action of the adjusting mechanism, the better polishing work on different types of parts can be conveniently carried out, the height of the supporting mechanism can be conveniently adjusted and controlled under the action of the adjusting mechanism, and the parts with different heights and the polishing mechanism can be conveniently and better contacted and polished.

(3) The polishing machine with the replaceable polishing angle is convenient to place and clamp parts needing polishing under the action of the placing mechanism and the clamping mechanism, so that the parts are more convenient to operate during polishing.

(4) The polishing machine with the replaceable polishing angle is convenient for the polishing mechanism to be detached and replaced conveniently under the action of the clamping mechanism, is convenient for polishing parts of different types, and enables the clamping mechanism to be more stable and firm under the action of the fastening mechanism.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic diagram of the overall structure of a polishing machine with replaceable polishing angles according to a preferred embodiment of the present invention;

FIG. 2 is an enlarged view of the part A shown in FIG. 1;

FIG. 3 is an enlarged view of the structure of the portion B shown in FIG. 1;

FIG. 4 is an enlarged view of the structure of the portion C shown in FIG. 1;

FIG. 5 is a schematic view of a connection structure between the polishing mechanism and the regulating mechanism shown in FIG. 2;

FIG. 6 is a schematic view of the connection structure of the support mechanism and the adjustment mechanism shown in FIG. 4;

FIG. 7 is a schematic structural view of the fixing block shown in FIG. 3;

fig. 8 is a schematic view of a connection structure between the polishing mechanism and the clamping mechanism shown in fig. 1.

In the figure: 1. supporting mechanism, 11, bottom plate, 12, upright post, 13, supporting plate, 14, sliding chute, 15, fixing block, 16, guide wheel, 2, polishing mechanism, 21, motor, 22, fixing sleeve, 23, fixing shell, 24, connecting shaft, 25, sanding disc, 26, first bevel gear, 27, second bevel gear, 28, rotating shaft, 3, regulating mechanism, 31, connecting sleeve, 32, abutting spring, 33, first handle, 34, guide groove, 35, limiting rod, 36, second handle, 37, protrusion, 4, placing mechanism, 41, placing plate, 42, handle, 43, supporting seat, 44, sliding rod, 5, clamping mechanism, 51, leather pad, 52, first clamping plate, 53, telescopic spring, 54, second clamping plate, 55, connecting seat, 56, screw, 6, bevel gear, 61, screw rod, 62, rotating rod, 63, rotating disc, 64, third bevel gear, 65, fourth, 7, The clamping mechanism comprises a clamping mechanism 71, a fixed seat 72, a rotating sleeve 73, a clamping groove 74, a clamping pin 75, a compression spring 76, a top block 8, a fastening mechanism 81, a rubber block 82 and an extrusion spring.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 8, the polishing machine with replaceable polishing angles of the present invention includes a supporting mechanism 1, a polishing mechanism 2 is installed on the supporting mechanism 1, a regulating mechanism 3 is connected to the polishing mechanism 2, an adjusting mechanism 6 is installed inside the supporting mechanism 1, a placing mechanism 4 is installed on the supporting mechanism 1, a clamping mechanism 5 is installed on the placing mechanism 4, a clamping mechanism 7 is installed on the polishing mechanism 2, and a fastening mechanism 8 is installed inside the clamping mechanism 7.

Specifically, supporting mechanism 1 includes bottom plate 11, be connected with stand 12 on the bottom plate 11 perpendicularly, be equipped with spout 14 and backup pad 13 on the stand 12, backup pad 13 passes through spout 14 and stand 12 sliding connection, install two sets of fixed blocks 15 in the backup pad 13, fixed block 15 is the trapezium structure, it is connected with a plurality of guide pulleys 16 to rotate on the fixed block 15, guide pulley 16 conflicts with stand 12 both sides respectively, backup pad 13 is in guide pulley 16 with convenient the slip under the effect of spout 14 is favorable to changing the holding position height.

Specifically, adjustment mechanism 6 includes lead screw 61, the inside lead screw 61 that is equipped with of spout 14, lead screw 61 and stand 12 fixed connection, backup pad 13 extends to inside the spout 14, backup pad 13 and lead screw 61 sliding connection, it is connected with fourth helical gear 65 to rotate on the backup pad 13, fourth helical gear 65 and lead screw 61 threaded connection, it is connected with bull stick 62 to rotate on the backup pad 13, fixedly connected with third helical gear 64 on the bull stick 62, third helical gear 64 and the perpendicular meshing of fourth helical gear 65, fixedly connected with carousel 63 on the bull stick 62, fourth helical gear 65 with backup pad 13 is in follow under the drive of lead screw 61 the height-adjusting is slided to stand 12, and the work of polishing is carried out to the spare part of convenient equidimension not.

Specifically, polishing mechanism 2 includes motor 21, install motor 21 on the stand 12, install fixed cover 22 on the stand 12, be connected with set casing 23 on the fixed cover 22, the inside rotation of fixed cover 22 is connected with pivot 28, pivot 28 one end is run through in stand 12 and motor 21 output shaft, the pivot 28 other end extends to inside the set casing 23, it is connected with even axle 24 to rotate on the set casing 23, even install dull and stereotyped 25 on the axle 24, even axle 24 extends to inside the set casing 23, even install second helical gear 27 on the axle 24, install first helical gear 26 on the pivot 28, first helical gear 26 and the perpendicular meshing of second helical gear 27.

It is specific, regulation and control mechanism 3 includes adapter sleeve 31, adapter sleeve 31 is "T" shape hexagonal prism structure, be equipped with adapter sleeve 31 between fixed cover 22 and the set casing 23,

adapter sleeve

31 and 28 sliding connection of pivot, the inside sliding connection of conflict spring 32 and set casing 23 is passed through to adapter sleeve 31 one end, the adapter sleeve 31 other end is contradicted with fixed cover 22, install a plurality of archs 37 that are annular equidistance and distribute on the adapter sleeve 31 perpendicularly, protruding 37 respectively with the inside block of fixed cover 22, adapter sleeve 31 is in the effect of conflict spring 32 resets down, makes protruding 37 with the inside block of fixed cover 22 is spacing to the convenience is polished domatic or the recess to different parts.

Specifically, install second handle 36 on the set casing 23, fixedly connected with gag lever post 35 on the set casing 23, fixedly connected with first handle 33 on the adapter sleeve 31, be equipped with guide slot 34 on the first handle 33, first handle 33 passes through guide slot 34 and gag lever post 35 sliding connection, first handle 33 and set casing 23 sliding connection, first handle 33 and second handle 36 are "L" shape structure.

Specifically, the placing mechanism 4 includes a placing plate 41, the placing plate 41 is disposed on the supporting plate 13, two sets of supporting seats 43 are mounted on the supporting plate 13, slide rods 44 are respectively mounted between the two supporting seats 43, the placing plate 41 is slidably connected to the slide rods 44, the placing plate 41 is slidably connected to the supporting plate 13 through the slide rods 44, and two handles 42 are mounted on the placing plate 41.

Specifically, fixture 5 includes first splint 52, first splint 52 is "T" shape structure, it is equipped with first splint 52 on the board 41 to place, first splint 52 through expanding spring 53 with place board 41 sliding connection, it is equipped with second splint 54 and connecting seat 55 on the board 41 to place, connecting seat 55 with place board 41 fixed connection, threaded connection has screw rod 56 on the connecting seat 55, screw rod 56 is connected with second splint 54 center department rotation, second splint 54 passes through screw rod 56 and places board 41 sliding connection, install leather packing 51 on first splint 52 and the second splint 54 respectively.

Specifically, block mechanism 7 includes fixing base 71, the last dismantlement of dull polish pan 25 is connected with fixing base 71, fixing base 71 is round platform type structure, even axle 24 and the inside sliding connection of fixing base 71, even be equipped with a plurality of draw-in grooves 73 on the axle 24, the inside a plurality of bayonet locks 74 that are equipped with of fixing base 71, bayonet lock 74 is "T" shape structure, be connected with kicking block 76 on the bayonet lock 74, bayonet lock 74 and kicking block 76 pass through compression spring 75 and the inside sliding connection of fixing base 71, bayonet lock 74 extends to the outside and the inside conflict of draw-in groove 73 of fixing base 71, threaded connection has the commentaries on classics cover 72 on the fixing base 71, kicking block 76 extends to the fixing base 71 outside and contradicts with commentaries on classics cover 72, kicking block 76 one end is hemispherical structure.

Specifically, fastening device 8 includes block rubber 81, the inside block rubber 81 that is equipped with of fixing base 71, block rubber 81 is "protruding" font structure, block rubber 81 is through a plurality of extrusion springs 82 and the inside sliding connection of fixing base 71, block rubber 81 extends to fixing base 71 outside is contradicted with even axle 24.

When the invention is used, firstly, the upright post 12 is conveniently supported under the action of the bottom plate 11, the supporting plate 13 is conveniently installed and connected, the workpiece is conveniently placed, the supporting plate 13 is conveniently slid under the action of the guide wheel 16 and the sliding groove 14, the supporting plate 13 can be conveniently limited and kept immovable on the upright post 12 under the action of the screw rod 61, the third bevel gear 64 is driven to rotate by the rotating rod 62 driven by the rotating disk 63 through the screw rod 61, the fourth bevel gear 65 is driven to rotate on the supporting plate 13 by the third bevel gear 64, so that the height of the fourth bevel gear 65 and the supporting plate 13 can be adjusted along the upright post 12 under the drive of the screw rod 61, the polishing work of parts with different sizes can be conveniently carried out, the placing plate 41 is conveniently supported and installed under the action of the supporting seat 43 and the sliding rod 44, and the placing plate 41 can be conveniently slid above the supporting plate 13, after the components are placed on the placing plate 41, the placing plate 41 is pushed back and forth by the two handles 42, so that the placing plate 41 slides back and forth on the supporting plate 13, thereby facilitating the polishing work of the workpiece, after the components are placed on the placing plate 41, the second clamping plate 54 slides on the placing plate 41 by rotating the screw 56 and pushes against the components, the components are conveniently clamped and stabilized by the first clamping plate 52, the friction force is increased and the components are protected by the leather pad 51, meanwhile, the first clamping plate 52 can have elasticity under the action of the expansion spring 53, the components with different sizes can be clamped and fixed conveniently, the components are clamped firmly and stably and are not easy to loosen under the action of the expansion spring 53, the motor 21 is rotated by switching on an external power supply, the motor 21 drives the rotating shaft 28 to rotate inside the fixing sleeve 22 and the fixing shell 23, the connecting shaft 24 is rotated under the action of the first bevel gear 26 and the second bevel gear 27, so that the sanding disc 25 on the connecting shaft 24 is rotated, surface polishing work of parts placed on the supporting plate 13 is facilitated, the connecting sleeve 31 is limited and not easy to rotate with the fixing sleeve 22 under the action of the plurality of protrusions 37, because one end of the connecting sleeve 31 is of a hexagonal prism structure, the fixing sleeve 22 cannot rotate when the rotating shaft 28 rotates, when the angles of the fixing sleeve 22, the connecting shaft 24 and the sanding disc 25 need to be adjusted, the first pull handle 33 and the second pull handle 36 which are symmetrical are installed, so that the first pull handle 33 is conveniently pulled by taking the second pull handle 36 as a fulcrum, the sliding control of the connecting sleeve 31 on the fixing shell 23 is facilitated, the free driving control of the connecting sleeve 31 is facilitated for workers to carry out, and the connecting sleeve 31 is enabled to slide under the action of the spring 32 by pushing the connecting sleeve 31, thereby separating a plurality of bulges 37 on the connecting sleeve 31 from the inside of the fixed sleeve 22, being beneficial to the fixed shell 23 and the connecting sleeve 31 to rotate on the rotating shaft 28 for adjusting the angle, after the adjustment is finished, removing the external force to reset the connecting sleeve 31 under the action of the abutting spring 32, and enabling the bulges 37 to be clamped and limited with the inside of the fixed sleeve 22, thereby facilitating the polishing work of the slope surfaces or the grooves of different parts, when the connecting shaft 24 is inserted into the fixed seat 71, the rotating sleeve 72 is rotated to enable the rotating sleeve 72 to abut against the top block 76 to drive the clamping pin 74, and the clamping pin 74 is enabled to escape from the abutting with the inside of the clamping groove 73 under the action of the compression spring 75, thereby enabling the connecting shaft 24 to be difficult to rotate and separate from the inside of the fixed seat 71, thereby facilitating the installation of the grinding disc 25 and the connecting shaft 24, when the rotating sleeve 72 is rotated to separate from the top block 76, the clamping pin 74 is separated from the inside of the clamping groove 73 under the action of the compression spring 75, thereby facilitating the separation of the fixed sleeve 22 and the connecting shaft 24, conveniently change the dull polish dish 25 of different mesh numbers, conveniently polish work to the technological requirement of difference, make things convenient for the block rubber 81 and link 24 conflict fastening under a plurality of extrusion spring 82's the effect, be favorable to making link 24 and bayonet lock 74 block stable firm, make link 24 and fixing base 71 can not rock, make polishing effect better.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a polishing machine that polishing angle can be changed, its characterized in that, includes supporting mechanism (1), install polishing mechanism (2) on supporting mechanism (1), be connected with adjustment and control mechanism (3) on polishing mechanism (2), supporting mechanism (1) internally mounted has adjustment mechanism (6), install placement mechanism (4) on supporting mechanism (1), install fixture (5) on placement mechanism (4), install block mechanism (7) on polishing mechanism (2), block mechanism (7) internally mounted has fastening device (8).

2. The polishing machine capable of changing polishing angles according to claim 1, wherein: supporting mechanism (1) includes bottom plate (11), be connected with stand (12) on bottom plate (11) perpendicularly, be equipped with spout (14) and backup pad (13) on stand (12), backup pad (13) are through spout (14) and stand (12) sliding connection, install two sets of fixed block (15) on backup pad (13), fixed block (15) are the trapezium structure, it is connected with a plurality of guide pulleys (16) to rotate on fixed block (15), guide pulley (16) are contradicted with stand (12) both sides respectively.

3. The polishing machine capable of changing polishing angles according to claim 2, wherein: adjustment mechanism (6) include lead screw (61), spout (14) inside is equipped with lead screw (61), lead screw (61) and stand (12) fixed connection, backup pad (13) extend to inside spout (14), backup pad (13) and lead screw (61) sliding connection, it is connected with fourth helical gear (65) to rotate on backup pad (13), fourth helical gear (65) and lead screw (61) threaded connection, it is connected with bull stick (62) to rotate on backup pad (13), fixedly connected with third helical gear (64) on bull stick (62), third helical gear (64) and fourth helical gear (65) vertical toothing, fixedly connected with carousel (63) on bull stick (62).

4. The polishing machine capable of changing polishing angles according to claim 2, wherein: the polishing mechanism (2) comprises a motor (21), the motor (21) is arranged on the upright post (12), a fixed sleeve (22) is arranged on the upright post (12), a fixed shell (23) is connected on the fixed sleeve (22), a rotating shaft (28) is rotatably connected inside the fixed sleeve (22), one end of the rotating shaft (28) penetrates through the upright post (12) and is connected with an output shaft of the motor (21), the other end of the rotating shaft (28) extends into the fixed shell (23), the fixed shell (23) is rotatably connected with a connecting shaft (24), the connecting shaft (24) is provided with a grinding disc (25), the connecting shaft (24) extends to the inside of the fixed shell (23), a second bevel gear (27) is arranged on the connecting shaft (24), a first bevel gear (26) is arranged on the rotating shaft (28), the first bevel gear (26) is vertically meshed with the second bevel gear (27).

5. The polishing machine capable of changing polishing angles according to claim 4, wherein: regulation and control mechanism (3) are including adapter sleeve (31), adapter sleeve (31) are "T" shape hexagonal prism structure, be equipped with adapter sleeve (31) between fixed cover (22) and set casing (23), adapter sleeve (31) and pivot (28) sliding connection, adapter sleeve (31) one end is through conflict spring (32) and the inside sliding connection of set casing (23), adapter sleeve (31) other end conflicts with fixed cover (22), install a plurality of archs (37) that are annular equidistance and distribute on adapter sleeve (31) perpendicularly, protruding (37) respectively with fixed cover (22) inside block.

6. The polishing machine capable of changing polishing angles according to claim 5, wherein: install second handle (36) on set casing (23), fixedly connected with gag lever post (35) is gone up in set casing (23), the first handle (33) of fixedly connected with is gone up in adapter sleeve (31), be equipped with guide slot (34) on first handle (33), first handle (33) are through guide slot (34) and gag lever post (35) sliding connection, first handle (33) and set casing (23) sliding connection, first handle (33) and second handle (36) are "L" shape structure.

7. The polishing machine capable of changing polishing angles according to claim 2, wherein: the placing mechanism (4) comprises a placing plate (41), the placing plate (41) is arranged on the supporting plate (13), two groups of supporting seats (43) are installed on the supporting plate (13), sliding rods (44) are installed between the supporting seats (43) respectively, the placing plate (41) is in sliding connection with the sliding rods (44), the placing plate (41) is in sliding connection with the supporting plate (13) through the sliding rods (44), and two handles (42) are installed on the placing plate (41).

8. The polishing machine capable of changing polishing angles according to claim 7, wherein: fixture (5) include first splint (52), first splint (52) are "T" shape structure, it is equipped with first splint (52) on board (41) to place, first splint (52) through expanding spring (53) with place board (41) sliding connection, it is equipped with second splint (54) and connecting seat (55) on board (41) to place, connecting seat (55) with place board (41) fixed connection, threaded connection has screw rod (56) on connecting seat (55), screw rod (56) and second splint (54) center department rotate to be connected, second splint (54) through screw rod (56) with place board (41) sliding connection, install leather packing (51) on first splint (52) and the second splint (54) respectively.

9. The polishing machine capable of changing polishing angles according to claim 4, wherein: the clamping mechanism (7) comprises a fixed seat (71), a fixed seat (71) is detachably connected to the abrasive disk (25), the fixed seat (71) is of a round table structure, the connecting shaft (24) is connected with the fixed seat (71) in an internal sliding mode, a plurality of clamping grooves (73) are formed in the connecting shaft (24), a plurality of clamping pins (74) are arranged in the fixed seat (71), the clamping pins (74) are of a T-shaped structure, a top block (76) is connected to the clamping pins (74), the clamping pins (74) and the top block (76) are connected with the fixed seat (71) in an internal sliding mode through compression springs (75), the clamping pins (74) extend to the outside of the fixed seat (71) to be abutted against the inside of the clamping grooves (73), a rotating sleeve (72) is connected to the fixed seat (71) through threads, the top block (76) extends to the outside of the fixed seat (71) to be abutted against the rotating sleeve (72), one end of the top block (76) is of a hemispherical structure.

10. The polishing machine capable of changing polishing angles according to claim 9, wherein: fastening device (8) include block rubber (81), inside block rubber (81) that is equipped with of fixing base (71), block rubber (81) are "protruding" font structure, block rubber (81) are through a plurality of extrusion spring (82) and the inside sliding connection of fixing base (71), block rubber (81) extend to fixing base (71) outside with even axle (24) conflict.