CN211518093U

CN211518093U - Adjusting device on stone cutting machine

Info

Publication number: CN211518093U
Application number: CN202020031797.2U
Authority: CN
Inventors: 李德生
Original assignee: Beijing Desheng Mishan Carving Co ltd
Current assignee: Beijing Desheng Mishan Carving Co ltd
Priority date: 2020-01-07
Filing date: 2020-01-07
Publication date: 2020-09-18
Anticipated expiration: 2030-01-07

Abstract

The utility model relates to an adjusting device on a stone cutting machine, which is arranged on a frame of the cutting machine and comprises a rotating disc; the rack is provided with an operating platform, and the rotating disc is arranged on the operating platform and is in rotating connection with the operating platform; the middle position on the operation table is provided with a mounting hole, a bearing seat is arranged in the mounting hole, a bearing is arranged on the bearing seat in a matching mode, a connecting sleeve is arranged on the lower side face of the rotating disc, and the connecting sleeve is sleeved on the bearing. The utility model discloses a set up adjusting device, when carrying out not equidirectional cutting to the stone material, can be comparatively convenient adjust the position of stone material, operate comparatively labour saving and time saving, reduce to adjust the time of wasting to its angle.

Description

Adjusting device on stone cutting machine

Technical Field

The utility model belongs to the technical field of the technique of stone material processing and specifically relates to an adjusting device on marble cutter is related to.

Background

The stone cutting machine is a cutting device which is used for cutting a larger stone into a plurality of smaller stones in the stone processing process so as to facilitate subsequent processing.

Referring to fig. 1, a conventional stone cutting machine includes a frame 1, a positioning assembly 11, a sliding assembly 12, a lifting assembly 13, and a cutting assembly 14; the frame 1 is arranged on the ground; the positioning component 11 comprises a cross beam 111 which is arranged on the frame 1 in a spanning manner and is connected with the frame 1 in a sliding manner, and a positioning motor 112 which is arranged on the cross beam 111 and is used for driving the cross beam 111 to slide along the length direction of the frame 1; the sliding assembly 12 comprises a sliding frame 121 connected to the cross beam 111 in a sliding manner and a sliding motor 122 arranged on the cross beam 111 and used for driving the sliding frame 121 to slide along the length direction of the cross beam 111; the lifting assembly 13 comprises a lifting frame 131 connected to the sliding frame 121 in a sliding manner, and an air cylinder 132 arranged on the lifting frame 131 and used for driving the lifting frame 131 to slide in the vertical direction; the cutting assembly 14 includes a cutting wheel 141 rotatably supported on the lifting frame 131, and a cutting motor 142 disposed on the lifting frame 131 to drive the cutting wheel 141 to rotate.

When the stone cutting machine is used for cutting stone, the stone to be cut is placed on the frame 1, the lifting frame 131 is controlled to lift, the height of the cutting wheel 141 is adjusted, the position of the cutting wheel 141 is adjusted by adjusting the position of the cross beam 111, then the sliding frame 121 is controlled to slide on the cross beam 111, the stone is cut, and the stone can be conveniently cut, however, after one surface of the stone is cut, when the other surface of the stone is cut, the position of the stone needs to be adjusted, the stone needs to be lifted, then the stone rotates for a certain angle, the other surface of the stone is cut, the stone needs to be lifted and adjusted in the adjusting process, when the stone with larger size is cut, the weight of the stone is heavier, the stone is difficult to adjust, and a hoisting device needs to be used, is cumbersome and wastes a relatively large amount of time.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide an adjusting device on marble cutter, through setting up adjusting device, when carrying out not equidirectional cutting to the stone material, can be comparatively convenient adjust the position of stone material, operate comparatively labour saving and time saving, reduce to adjust the time of wasting to its angle.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: an adjusting device on a stone cutting machine is arranged on a frame of the cutting machine and comprises a rotating disc; the rack is provided with an operating platform, and the rotating disc is arranged on the operating platform and is in rotating connection with the operating platform; the middle position on the operation table is provided with a mounting hole, a bearing seat is arranged in the mounting hole, a bearing is arranged on the bearing seat in a matching mode, a connecting sleeve is arranged on the lower side face of the rotating disc, and the connecting sleeve is sleeved on the bearing.

Through adopting above-mentioned technical scheme, add man-hour to the stone material, place the rolling disc with the stone material according to certain angle on, cut the stone material, accomplish the cutting back to its one side, adjust the angle of stone material through rotatory rolling disc, cut the stone material from another angle, add man-hour to the stone material, can be comparatively convenient adjust the angle of stone material, the operation is comparatively laborsaving, reduces extravagant time.

The present invention may be further configured in a preferred embodiment as: the bearing is sleeved with an installation seat, and the inner ring of the installation seat is in interference fit with the outer ring of the bearing; the connecting sleeve is sleeved on the mounting seat; the side of the mounting seat is vertically provided with a plurality of limiting columns, and the inner side surface of the connecting sleeve is provided with limiting grooves at positions corresponding to the limiting columns respectively.

Through adopting above-mentioned technical scheme, set up the mount pad between bearing and connecting sleeve, when installing the rolling disc on the mount pad, spacing post inlays in the spacing groove that corresponds, and the installation is comparatively convenient, and under the condition that damage or need overhaul it appear in follow-up rolling disc, can comparatively convenient pull down the rolling disc, at the in-process of work, guarantees pivoted synchronism between connecting sleeve and the mount pad, guarantees pivoted smoothness nature, reduces the phenomenon that wearing and tearing appear.

The present invention may be further configured in a preferred embodiment as: the lower port of the limiting groove is opened towards two sides.

Through adopting above-mentioned technical scheme, when installing the rolling disc on the mount pad, it is comparatively convenient to aim at spacing groove and spacing post, can be comparatively convenient make spacing post insert to the spacing groove.

The present invention may be further configured in a preferred embodiment as: a plurality of grooves are formed in the upper side face of the operating platform, spring balls are arranged in the grooves respectively, and the upper side face of each spring ball is higher than the upper side face of the operating platform.

Through adopting above-mentioned technical scheme, place the back on the operation panel with the stone material, its and the living side butt of spring ball can directly promote the stone material and adjust its position, can be comparatively convenient promote the middle part position of stone material to the operation panel, cut the stone material, need not use hoisting equipment, it is comparatively convenient to operate.

The present invention may be further configured in a preferred embodiment as: the bearing seat is in sliding connection with the operating platform; the operating platform is provided with a lifting assembly which comprises a hydraulic cylinder and a lifting plate; the hydraulic cylinder is arranged on the ground, and the telescopic end of the hydraulic cylinder is arranged upwards and penetrates into the mounting hole; the lifting plate is arranged in the mounting hole, the size of the lifting plate is matched with that of the mounting hole, the bearing seat is arranged on the lifting plate, and the upper end of the hydraulic cylinder is connected to the lifting plate.

Through adopting above-mentioned technical scheme, before moving the stone material to the rolling disc, through pneumatic cylinder control rolling disc decline for its side is less than the downside of stone material, promotes the stone material and promotes its position department to the top of rolling disc, drives the rolling disc through the pneumatic cylinder and rises, with stone material jack-up, can be comparatively convenient adjust the stone material angle, the process of placing the stone material on the rolling disc is comparatively convenient and laborsaving.

The present invention may be further configured in a preferred embodiment as: the upper side surface of the operating platform is provided with an embedding groove, the shape and the size of the embedding groove are the same as those of the rotating disc, and when the rotating disc descends and is embedded into the embedding groove, the upper side surface of the rotating disc is flush with the upper side surface of the operating platform.

Through adopting above-mentioned technical scheme, when the pneumatic cylinder drove the rolling disc and descends, can be so that the rolling disc embedding caulking groove in, the phenomenon that collides with the rolling disc when the stone material appears moving on the spring ball can be reduced, and the process of shifting the stone material to on the rolling disc is more smooth.

The present invention may be further configured in a preferred embodiment as: a positioning assembly is arranged between the operating platform and the connecting sleeve and used for fixing the position of the rotating disc, and the positioning assembly comprises a telescopic column, a telescopic spring, a push rod and a return spring; a plurality of mounting grooves are uniformly arranged on the side surface of the connecting sleeve at intervals, and a plurality of telescopic columns are arranged in the mounting grooves respectively and are in sliding connection with the connecting sleeve; a plurality of compression springs are respectively arranged in each mounting groove, and two ends of each compression spring are respectively fixedly connected with the telescopic column and the connecting sleeve; the operating platform is provided with a positioning hole, and the push rod is arranged in the positioning hole and is in sliding connection with the operating platform; one end of the push rod is positioned at the outer side of the operating platform, and the end part of the push rod positioned at the outer side of the operating platform is provided with a limiting part; the reset spring is sleeved on the push rod, and two ends of the reset spring are respectively connected to the limiting part and the operating platform; the holding tank has been seted up to the downside of the one end of locating hole and mounting hole intercommunication, the width of holding tank and the diameter adaptation of flexible post.

Through adopting above-mentioned technical scheme, before placing the operation panel with the stone material, the rolling disc is in the state of extreme low position, at this moment, one of them flexible post is located the holding tank, adjust the stone material to predetermined position and angle after, the control rolling disc rises and jacks up the stone material, and simultaneously, flexible post upward movement is to the locating hole in, cut the stone material, when needing to adjust the stone material angle, press the push rod, it is extruded flexible post from the locating hole, can adjust the angle of rolling disc, it passes after certain angle, in the flexible post embedding locating hole that corresponds, fix the position of rolling disc, can be comparatively convenient realization to the comparatively regulation and fixed of rolling disc, when should fixing, can guarantee the stability of rolling disc, reduce its phenomenon that appears rocking.

The present invention may be further configured in a preferred embodiment as: the end part of the telescopic column, which is positioned outside the connecting sleeve, is provided with a rolling ball, the rolling ball is rotatably connected with the telescopic column, and the rolling ball is abutted against the side wall of the mounting hole.

Through adopting above-mentioned technical scheme, spin and the lateral wall butt of mounting hole at the in-process of rotatory rolling disc, can reduce the wearing and tearing between flexible post and the operation panel, guarantee the smoothness nature of rolling disc rotation process.

To sum up, the utility model discloses a following at least one useful technological effect:

1. by arranging the rotating disc, when the cutting of one side of the stone is finished and the cutting angle of the stone needs to be adjusted, the cutting angle of the stone can be conveniently adjusted by rotating the rotating disc, the smoothness of the rotating process of the rotating disc can be ensured, the operation is labor-saving when the angle of the rotating disc is adjusted, the time wasted in adjusting the angle of the stone is reduced, the rotating disc is directly drawn out of the mounting hole when the rotating disc needs to be disassembled, the limiting groove is aligned with the limiting column when the rotating disc is mounted, and the mounting of the rotating disc can be conveniently finished;

2. the stone is placed on the spring ball, so that the position of the stone on the operating platform can be conveniently adjusted, the rotating disc can be lifted when the stone is empty, the stone can be conveniently placed on the rotating disc, and the stone rolling machine is convenient and labor-saving to operate;

3. through the locating component who sets up, the realization that can be comparatively convenient is to the adjustment and the fixed of the position of rolling disc, when adjusting the angle of rolling disc, and it is comparatively convenient to operate.

Drawings

FIG. 1 is a schematic view of a prior art cutting machine;

FIG. 2 is a schematic view of an adjustment device on the cutting machine of the present embodiment;

FIG. 3 is a schematic view for showing a mounting structure of a rotary disk;

FIG. 4 is a schematic view of the connection sleeve for showing its structure;

FIG. 5 is a schematic view showing the construction of the lift assembly and positioning assembly;

FIG. 6 is an enlarged schematic view of portion A of FIG. 5;

fig. 7 is an enlarged schematic view of a portion B in fig. 5.

In the figure, 1, a frame; 11. a positioning component; 111. a cross beam; 112. a positioning motor; 12. a slipping component; 121. a sliding frame; 122. a slip motor; 13. a lifting assembly; 131. a lifting frame; 132. a cylinder; 14. a cutting assembly; 141. a cutting wheel; 142. cutting the motor; 2. an operation table; 21. mounting holes; 22. a bearing seat; 23. a bearing; 24. a mounting seat; 241. a limiting column; 25. a groove; 26. a clamping groove; 27. caulking grooves; 28. positioning holes; 29. accommodating grooves; 3. rotating the disc; 31. a connecting sleeve; 311. a limiting groove; 312. mounting grooves; 4. a spring ball; 41. a limiting strip; 5. a lifting assembly; 51. a hydraulic cylinder; 52. lifting the plate; 6. a positioning assembly; 61. a telescopic column; 611. rolling a ball; 62. a tension spring; 63. a push rod; 64. a return spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 2 and 3, in order to provide the adjusting device for the stone cutting machine of the present invention, the adjusting device is disposed on a frame 1, an operation table 2 is horizontally disposed on the upper side surface of the frame 1, a rotating disc 3 is disposed at the middle position of the operation table 2, the rotating disc 3 is rotatably connected with the operation table 2, and the upper side surface of the rotating disc 3 is higher than the upper side surface of the operation table 2; a mounting hole 21 is formed in the middle of the operating platform 2, a bearing seat 22 is arranged in the mounting hole 21, a bearing 23 is arranged on the bearing seat 22, a mounting seat 24 is sleeved outside the bearing 23, an inner ring of the bearing 23 is in interference fit with the bearing seat 22, and an outer ring of the bearing 23 is in interference fit with the mounting seat 24; a connecting sleeve 31 is arranged on the lower side surface of the rotating disc 3, the size of the inner ring of the section of the connecting sleeve 31 is matched with that of the mounting seat 24, and the connecting sleeve 31 is sleeved on the mounting seat 24 and rotates synchronously with the mounting seat 24.

When the cutting machine is used for cutting the stone, the stone is placed on the rotating disc 3, after one side of the stone is cut, the angle of the stone is adjusted by rotating the rotating disc 3, the other side of the stone is cut, and by arranging the rotating disc 3, the angle of the stone can be conveniently adjusted when the stone is cut, the cutting of the stone at different angles is completed, the stone is adjusted in a time-saving and labor-saving manner, and the time required for adjusting the stone is shortened; when installing carousel 3 on operation panel 2, establish the mount pad 24 with connecting sleeve 31 cover for it rotates with mount pad 24 is synchronous, can guarantee the smoothness nature and the stability of carousel 3 rotation process, in addition, when installing carousel 3 on operation panel 2, relatively conveniently installs carousel 3.

Referring to fig. 3 and 4, the outer side surface of the mounting seat 24 is provided with four limiting columns 241, and the four limiting columns 241 are uniformly spaced and vertically fixed on the outer side surface of the mounting seat 24; the inner side surface of the connecting sleeve 31 is provided with a position limiting groove 311 at the position corresponding to the position limiting post 241, and the position limiting post 241 is embedded in the corresponding position limiting groove 311; the lower end of the stopper groove 311 is opened to both sides.

Through the above arrangement, when the rotating disc 3 is installed on the operating platform 2, the upper limiting groove 311 of the connecting sleeve 31 is aligned with the end of the corresponding limiting post 241, then the connecting sleeve 31 is installed on the installing seat 24 along the length direction of the installing seat 24, the connecting sleeve 31 is embedded in the limiting groove 311 through the limiting post 241, the positions of the connecting sleeve 31 and the installing seat 24 are fixed, in the rotating process of the rotating disc 3, the rotating stability and the smoothness of the rotating disc can be ensured, in addition, the lower end opening of the limiting groove 311 is opened towards two sides, when the limiting groove 311 is aligned with the limiting post 241 to install the rotating disc 3 on the operating platform 2, the limiting groove 311 is aligned with the limiting post 241, and the rotating disc 3 is convenient to install.

When the stone is placed on the operation table 2, the stone is heavy and is inconvenient to move, so that, referring to fig. 2 and 3, the spring balls 4 are arranged on the upper surface of the operation table 2, and when the stone is placed on the operation table 2, the lower side surface of the stone is abutted against the spring balls 4; the operation table 2 is provided with a plurality of grooves 25, and a plurality of spring balls 4 are respectively arranged in the corresponding grooves 25.

Through carrying out above setting, when placing operation panel 2 with the stone material on, place the border position department of operation panel 2 with it, support the stone material through spring ball 4, be rolling contact between stone material and the spring ball 4, can be comparatively convenient adjust its position through promoting the stone material, operate comparatively laborsavingly.

After the stone is placed on the operation table 2, the stone needs to be moved to the middle position of the operation table 2, when the stone is pushed onto the rotating disc 3, a certain height difference exists between the upper side surface of the rotating disc 3 and the upper side surface of the spring ball 4, when the stone is pushed onto the rotating disc 3, the stone needs to be lifted by a certain height, and the operation is more convenient, so that the rotating disc 3 is set to be a liftable structure, referring to fig. 5, a lifting assembly 5 is arranged in the installation hole 21 and comprises a hydraulic cylinder 51 and a lifting plate 52; the hydraulic cylinder 51 is vertically fixed on the ground, and the telescopic end of the hydraulic cylinder is arranged upwards and penetrates into the mounting hole 21; the lifting plate 52 is horizontally fixed on the upper end surface of the hydraulic cylinder 51, the size of the lifting plate is matched with that of the mounting hole 21, and the bearing seat 22 is fixed on the upper side surface of the lifting plate 52; the upper side surface of the operating platform 2 is provided with a caulking groove 27, the depth of the caulking groove 27 is the same as the thickness of the transmission disc, when the hydraulic cylinder 51 is in an original length state, the rotating disc 3 is embedded in the corresponding caulking groove 27, the upper side surface of the rotating disc is flush with the upper side surface of the operating platform 2, the hydraulic cylinder 51 extends to lift the rotating disc 3 upwards, and the height of the upper side surface of the rotating disc 3 is higher than that of the upper end of the spring ball 4.

When adding man-hour to the stone material, at first control pneumatic cylinder 51 is in the primary importance state, later place the stone material on operation panel 2, promote it to the middle part position of operation panel 2, adjust it to predetermined position through rotating, later upwards lift up rolling disc 3, drive the stone material and rise, later cut the stone material, go up and down through setting up rolling disc 3, can be comparatively convenient place the rolling disc 3 with the stone material on, the operation is more convenient laborsaving.

After the stone material is cut at an angle, the cutting angle of the stone material of the rotary disc 3 needs to be adjusted, and the adjusted angle is a determined value in general, and referring to fig. 5, 6 and 7, a positioning assembly 6 for limiting the position of the rotary disc 3 is arranged between the operating platform 2 and the connecting sleeve 31; the positioning assembly 6 comprises a telescopic column 61, a telescopic spring 62, a push rod 63 and a return spring 64; a plurality of mounting grooves 312 are uniformly arranged on the side surface of the connecting sleeve 31 at intervals; the plurality of telescopic columns 61 correspond to the mounting grooves 312 one by one, and the telescopic columns 61 are positioned in the mounting grooves 312 and are in sliding connection with the connecting sleeve 31; the plurality of telescopic springs 62 correspond to the telescopic columns 61 one by one, the plurality of telescopic springs 62 are respectively arranged in the plurality of mounting grooves 312, one end of each telescopic spring 62 is fixedly connected with the end part of the telescopic column 61 positioned in the corresponding mounting groove 312, and the other end of each telescopic spring 62 is fixedly connected with the bottom of the corresponding mounting groove 312; a positioning hole 28 is arranged in the operating platform 2, the positioning hole 28 is horizontally arranged, one end of the positioning hole 28 is communicated with the outer side of the operating platform 2, the other end of the positioning hole 28 is communicated with the mounting hole 21, an accommodating groove 29 is arranged on the lower side of one end of the positioning hole 28 communicated with the mounting hole 21, and the width of the accommodating groove 29 is matched with the diameter of the telescopic column 61; when the hydraulic cylinder 51 is in an extension state, the positioning hole 28 and the telescopic column 61 are positioned at the same height, and when the telescopic spring 62 is in an original length state, one end of the telescopic column 61, which is positioned at the outer side of the connecting sleeve 31, is positioned in the positioning hole 28; the push rod 63 is arranged in the positioning hole 28 and is in sliding connection with the operating platform 2; one end of the push rod 63 is positioned at the outer side of the operating platform 2, and a limiting part is fixedly connected to the end part of the push rod positioned at the outer side of the operating platform 2; the reset spring 64 is sleeved on the push rod 63, one end of the reset spring is fixedly connected with the limiting part, the other end of the reset spring is fixedly connected with the outer side face of the operating platform 2, the end part of the push rod 63, which is positioned in the positioning hole 28, is positioned in the positioning hole 28 when the reset spring 64 is in the original length, and when the reset spring 64 is compressed to the shortest length, the end part of the push rod 63 is flush with the side wall of the mounting hole 21.

When carrying the stone material to the operation panel 2, the rotating disc 3 is in a fixed state, one of the telescopic columns 61 is located in the accommodating groove 29, the stone material is pushed to the middle position of the operation panel 2, the rotating disc 3 is driven to ascend, the stone material is lifted, the stone material is cut, then when the angle of the stone material is adjusted, the telescopic column 61 is pushed out of the positioning hole 28 by pushing the push rod 63 to abut against the telescopic column 61, the rotary disc 3 is rotated, at the moment, the return spring 64 is always in a compression state, when the stone material is rotated by a determined angle, the push rod 63 is loosened, the corresponding telescopic column 61 is embedded into the positioning hole 28, and the position of the rotating disc 3 is limited.

Through carrying out above setting, when adjusting the angle of stone material, can be comparatively convenient inject the position of carousel 3, it is comparatively simple and convenient to operate, and confirm during the angle between the adjacent flexible post 61, the angle of stone material adjustment that can be comparatively convenient is controlled, and it is comparatively convenient to operate.

Referring to fig. 5 and 6, the end portions of the telescopic columns 61 are respectively provided with rolling balls 611, the rolling balls 611 are abutted to the side walls of the mounting holes 21, and in the rotating process of the rotary disc 3, the phenomenon of abrasion between the telescopic columns 61 and the operating platform 2 can be reduced, and the stability and the fluency of the rotating process of the rotary disc 3 can be ensured.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an adjusting device on marble cutter, sets up on frame (1) of cutting machine which characterized in that: comprising a rotating disc (3); an operation table (2) is arranged on the rack (1), and the rotating disc (3) is arranged on the operation table (2) and is rotatably connected with the operation table (2); a mounting hole (21) is formed in the middle of the operating platform (2), a bearing seat (22) is arranged in the mounting hole (21), a bearing (23) is arranged on the bearing seat (22) in a matched mode, a connecting sleeve (31) is arranged on the lower side face of the rotating disc (3), and the bearing (23) is sleeved with the connecting sleeve (31).

2. The adjusting device of claim 1, wherein: the bearing (23) is sleeved with an installation seat (24), and the inner ring of the installation seat (24) is in interference fit with the outer ring of the bearing (23); the connecting sleeve (31) is sleeved on the mounting seat (24); the side face of the mounting seat (24) is vertically provided with a plurality of limiting columns (241), and the inner side face of the connecting sleeve (31) is provided with limiting grooves (311) at positions corresponding to the limiting columns (241).

3. The adjusting device of claim 2, wherein: the lower port of the limiting groove (311) is opened towards two sides.

4. The adjusting device of claim 2, wherein: a plurality of grooves (25) are formed in the upper side face of the operating platform (2), spring balls (4) are arranged in the grooves (25) respectively, and the upper side face of each spring ball (4) is higher than the upper side face of the operating platform (2).

5. The adjusting device of claim 4, wherein: the bearing seat (22) is in sliding connection with the operating platform (2); the operating platform (2) is provided with a lifting assembly (5) which comprises a hydraulic cylinder (51) and a lifting plate (52); the hydraulic cylinder (51) is arranged on the ground, and the telescopic end of the hydraulic cylinder is arranged upwards and penetrates into the mounting hole (21); the lifting plate (52) is arranged in the mounting hole (21), the size of the lifting plate is matched with that of the mounting hole (21), the bearing seat (22) is arranged on the lifting plate (52), and the upper end of the hydraulic cylinder (51) is connected to the lifting plate (52).

6. The adjusting device of claim 5, wherein: the operating table is characterized in that an embedding groove (27) is formed in the upper side face of the operating table (2), the shape and the size of the embedding groove (27) are the same as those of the rotating disc (3), and when the rotating disc (3) descends to be embedded into the embedding groove (27), the upper side face of the rotating disc (3) is flush with the upper side face of the operating table (2).

7. The adjusting device of claim 1, wherein: a positioning assembly (6) is arranged between the operating platform (2) and the connecting sleeve (31) and used for fixing the position of the rotating disc (3), and the positioning assembly comprises a telescopic column (61), a telescopic spring (62), a push rod (63) and a return spring (64); a plurality of mounting grooves (312) are uniformly arranged on the side surface of the connecting sleeve (31) at intervals, and a plurality of telescopic columns (61) are respectively arranged in the mounting grooves (312) and are in sliding connection with the connecting sleeve (31); a plurality of compression springs are respectively arranged in each mounting groove (312), and two ends of each compression spring are respectively fixedly connected with the telescopic column (61) and the connecting sleeve (31); the operating platform (2) is provided with a positioning hole (28), the push rod (63) is arranged in the positioning hole (28) and is in sliding connection with the operating platform (2); one end of the push rod (63) is positioned on the outer side of the operating platform (2), and the end part of the push rod positioned on the outer side of the operating platform (2) is provided with a limiting part; the reset spring (64) is sleeved on the push rod (63), and two ends of the reset spring are respectively connected to the limiting part and the operating platform (2); an accommodating groove (29) is formed in the lower side of one end, communicated with the mounting hole (21), of the positioning hole (28), and the width of the accommodating groove (29) is matched with the diameter of the telescopic column (61).

8. The adjusting device of claim 7, wherein: the end part of the telescopic column (61) positioned at the outer side of the connecting sleeve (31) is provided with a rolling ball (611), the rolling ball (611) is rotatably connected with the telescopic column (61), and the rolling ball (611) abuts against the side wall of the mounting hole (21).