CN114559195B

CN114559195B - Cutting device

Info

Publication number: CN114559195B
Application number: CN202210246126.1A
Authority: CN
Inventors: 王成林; 徐耀宗; 王麟; 王朋; 董文豪; 唐晓澜; 朱志强; 贾杰
Original assignee: China Nuclear Industry Maintenance Co Ltd
Current assignee: China Nuclear Industry Maintenance Co Ltd
Priority date: 2022-03-14
Filing date: 2022-03-14
Publication date: 2023-06-13
Anticipated expiration: 2042-03-14
Also published as: CN114559195A

Abstract

The application provides a cutting device comprising a cutting assembly, a rotating assembly and an adjusting assembly; the rotating assembly comprises a fixed disc and a rotating piece, the rotating piece is sleeved on the fixed disc and can rotate relative to the fixed disc, and the fixed disc is used for installing a piece to be cut so that the rotating piece can rotate by taking the piece to be cut as a central axis; it should be noted that the piece to be cut is a valve; the adjusting component comprises an adjusting piece, the cutting component is assembled on the adjusting piece, and the adjusting piece is movably arranged on the rotating piece so as to adjust the position of the cutting component; the cutting device that this application provided prevents to appear cutting surface roundness and need not fix a position the condition again inadequately in cutting process, helps improving cutting surface's surface roundness, consequently cutting surface is even, the shaping high quality, has reduced the manual work simultaneously and has polished the cutting degree of difficulty, helps improving staff's operating efficiency, and then can prevent that the staff from being in the radiation area for a long time.

Description

Cutting device

Technical Field

The application belongs to cutting equipment technical field, and more specifically relates to a cutting device.

Background

In nuclear power, thermal power, petrochemical industry and other systems, flange lip welding type stop valves and other valves are pipeline accessory parts with wider application range, and are used for adjusting flow, liquid level and other technological parameters in a control system so as to meet the requirements of production technology, thereby being an important component for ensuring the stable operation of various systems.

When the valve is disassembled and overhauled, repeated polishing and cutting are needed to be carried out on the welding positions of the valve cover and the valve body by manpower, the quality problems of uneven polishing, excessive cutting weld marks, high difficulty in re-welding after repeated polishing and cutting and the like are inevitably caused in the manual polishing and cutting, and in the process of repeated polishing and cutting, the same valve needs to be repeatedly positioned, and the maintenance quality is different, so that the polishing and cutting quality of the valve is poor; in addition, manual polishing is limited by the environment and the operation space, and the operation difficulty is increased.

Disclosure of Invention

An aim of the embodiment of the application is to provide a cutting device to solve the technical problem that the operation degree of difficulty is big, the quality is poor that the manual grinding cutting exists among the prior art.

In order to achieve the above purpose, the technical scheme adopted in the application is as follows: there is provided a cutting device comprising:

a cutting assembly;

the rotary component comprises a fixed disc and a rotary piece, the rotary piece is sleeved on the fixed disc and can rotate relative to the fixed disc, and the fixed disc is used for mounting a piece to be cut so that the rotary piece can rotate by taking the piece to be cut as a central axis;

the adjusting component comprises an adjusting piece, the cutting component is assembled on the adjusting piece, and the adjusting piece is movably arranged on the rotating piece so as to adjust the position of the cutting component.

Optionally, the fixed disk is a tubular structure, and the fixed disk is used for sleeving the central part of the piece to be cut.

Optionally, the adjusting assembly comprises a guide rod, wherein the guide rod is arranged on the rotating piece and extends along the axial direction of the fixed disc; one end of the adjusting piece is arranged on the guide rod in a penetrating mode and can move relative to the guide rod, and the other end of the adjusting piece is movably connected with the rotating piece.

Optionally, the adjusting assembly further includes a first adjusting rod, the first adjusting rod extends along an axial direction of the fixed disc, is limited on the rotating member along the axial direction of the fixed disc, and is in threaded connection with the adjusting member and can rotate on the rotating member.

Optionally, the rotating member is provided with a first arc-shaped groove, and the first adjusting rod is arranged in the first arc-shaped groove in a penetrating manner and can slide along the first arc-shaped groove, so that the adjusting member swings around the guide rod.

Optionally, the rotating member is further provided with a second arc groove spaced from the first arc groove, and the adjusting assembly further includes a second adjusting rod, where the second adjusting rod sequentially penetrates through the second arc groove and the adjusting member, and is configured to slide in the second arc groove when the adjusting member swings.

Optionally, the outer wall of first regulation pole has cup jointed spacing gasket, first regulation pole is through spacing gasket along the axial limit of fixed disk is located in the first arc wall, just first regulation pole can be relative spacing gasket rotation.

Optionally, the adjusting assembly further comprises an adjusting disc rotatably arranged on the rotating member, and an output end of the adjusting disc is connected with the adjusting member so as to drive the adjusting member to swing when rotating.

Optionally, the cutting assembly includes a fixed structure provided on the adjusting member and a cutter detachably provided on the fixed structure.

Optionally, the fixed knot constructs including fixing base and movable seat, the fixing base set up in on the regulating part, the one end of movable seat articulate in the one end of fixing base, the other end of movable seat with the fixing base can dismantle the connection, in order to with cutting assembly detachable assemble in the fixing base with between the movable seat.

The beneficial effect that this application provided cutting device lies in: compared with the prior art, when the cutting device is used for cutting the workpiece to be cut, the cutting assembly can align the cutting position through the adjusting piece, and meanwhile, through the cooperation between the adjusting piece and the rotating piece, the cutting assembly can carry out annular cutting on the workpiece to be cut through the central axis of the workpiece to be cut, so in the cutting process, the cutting assembly only needs to manually drive the cutting assembly to carry out rotary motion on the workpiece to be cut by taking the central axis of the workpiece to be cut as a positioning reference, the geometric center of the obtained annular cutting surface coincides with the central axis of the workpiece to be cut, the situation that the surface roundness of the cutting surface is not enough to need to be positioned again in the cutting process is prevented, the surface roundness of the cutting surface is improved, the surface of the cutting surface is uniform, the forming quality is high, meanwhile, the manual polishing cutting difficulty is reduced, the working efficiency of workers is improved, and the workers can be prevented from being in a radiation area for a long time; in addition, in the process of repeated polishing and cutting, each operation is performed through the central axis of the workpiece to be cut, the positioning references are kept consistent, the positioning references are not required to be replaced, the maintenance quality is improved, and the service life of the workpiece to be cut is prolonged.

Drawings

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

Fig. 1 is a perspective view of a cutting device provided in an embodiment of the present application;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a partial enlarged view at B in fig. 1.

Wherein, each reference sign in the figure:

1-a cutting assembly; 11-a fixed structure; 111-fixing seats; 112-a movable seat; 12-a cutter;

2-a rotating assembly; 21-a fixed disk; 22-rotating member; 221-a first mounting portion; 222-a second mounting portion; 223-first gap; 224-a third mount; 225-fourth mounting portion; 226-a second notch; 227-a first arcuate slot; 228-a second arcuate slot; 23-bearings;

3-an adjustment assembly; 31-an adjusting member; 32-a guide bar; 33-a first adjusting lever; 34-a second adjusting rod; 35-limiting gaskets; 36-a regulating disk; 37-adjusting the nut;

4-pneumatic motor.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved by the present application more clear, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present application and simplify description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Based on the above, the embodiment of the invention provides the cutting device, which can reduce the difficulty of manual polishing and cutting operation, prevent operators from being in a high-dose radiation area for a long time and has high molding quality.

As shown in fig. 1, a cutting device provided in an embodiment of the present application includes a cutting assembly 1, a rotating assembly 2, and an adjusting assembly 3; the rotating assembly 2 comprises a fixed disc 21 and a rotating piece 22, the rotating piece 22 is sleeved on the fixed disc 21 and can rotate relative to the fixed disc 21, and the fixed disc 21 is used for mounting a piece to be cut so that the rotating piece 22 can rotate by taking the piece to be cut as a central axis; it should be noted that the piece to be cut is a valve; the adjusting assembly 3 includes an adjusting member 31, the cutting assembly 1 is assembled on the adjusting member 31, and the adjusting member 31 is movably disposed on the rotating member 22 to adjust the position of the cutting assembly 1.

Specifically, this embodiment uses the valve as an example to explain the piece that treats cutting, when using this cutting device, establish fixed disk 21 cover on the valve to fasten fixed disk 21 through the valve fastener with the valve assembly, wherein rotating member 22 can use the valve as the central axis rotation, cutting assembly 1 locates regulating part 31, according to the target cutting position, adjust the position of regulating part 31 so that cutting assembly 1 aims at the target cutting position, cut the valve through cutting assembly 1, wherein regulating part 31 locates on rotating member 22, cutting assembly 1 uses the valve as the central axis to rotate through rotating member 22, and then drive cutting assembly 1 carries out annular cutting to the valve.

Compared with the prior art, when the cutting device provided by the application is used for cutting a workpiece, the cutting assembly 1 can align the cutting position through the adjusting piece 31, and meanwhile, through the cooperation between the adjusting piece 31 and the rotating piece 22, the cutting assembly 1 can carry out annular cutting on the workpiece to be cut through the central axis of the workpiece to be cut, so in the cutting process, the cutting assembly 1 only needs to manually drive the cutting assembly 1 to carry out rotary motion on the workpiece to be cut by taking the central axis of the workpiece to be cut as a positioning reference, the geometric center of the obtained annular cutting surface coincides with the central axis of the workpiece to be cut, the situation that the surface roundness of the cutting surface is insufficient to be repositioned in the cutting process is prevented, the surface roundness of the cutting surface is improved, the surface uniformity and the forming quality of the cutting surface are improved, the manual polishing cutting difficulty is reduced, the working efficiency of workers is improved, and the workers can be prevented from being in a radiation area for a long time; in addition, in the process of repeated polishing and cutting, each operation is performed through the central axis of the workpiece to be cut, the positioning references are kept consistent, the positioning references are not required to be replaced, the maintenance quality is improved, and the service life of the workpiece to be cut is prolonged.

In another embodiment of the present application, referring to fig. 1, the fixing plate 21 has a cylindrical structure, and the fixing plate 21 is used for sleeving the central part of the workpiece to be cut.

Specifically, in this embodiment, the valve rod of the valve is taken as an example to describe the central part of the workpiece to be cut, when the valve needs to be cut, the fixed disk 21 is sleeved on the valve rod of the valve, the fixed disk 21 is fastened by the fastener assembled with the valve rod, and the rotating member 22 rotates by taking the valve rod as the central axis, so that the cutting assembly 1 is driven to cut the valve in a ring shape.

So set up, when treating the cutting member, can be with fixed disk 21 fixed mounting on the central part of treating the cutting member, wherein fixed disk 21 sets up to tubular structure, through the cooperation with rotating member 22 to make rotating member 22 use the central part of treating the cutting member to rotate on fixed disk 21 as the central axis, in the cutting process, fixed disk 21 can use the central part of treating the cutting member as the location benchmark, so that rotating member 22, regulating member 31 and cutting assembly 1 homoenergetic use the central part of treating the cutting member to rotate as the central axis.

Optionally, a bearing 23 is fitted between the inner wall of the rotary member 22 and the outer wall of the stationary plate 21.

By means of the arrangement, the rotating piece 22 is connected with the fixed disc 21 through the bearing 23, so that stability of the rotating piece 22 in the rotating process can be guaranteed, and the cutting effect is improved.

In another embodiment of the present application, referring to fig. 1 and 3, the adjusting assembly 3 includes a guide rod 32, where the guide rod 32 is disposed on the rotating member 22 and extends along the axial direction of the fixed disk 21; one end of the adjusting member 31 is disposed through the guide rod 32 and is movable relative to the guide rod 32, and the other end of the adjusting member 31 is movably connected to the rotating member 22.

Specifically, when it is necessary to adjust the position of the cutting assembly 1, the adjusting member 31 is driven to move on the guide bar 32 in the axial direction of the fixed disk 21 according to the target cutting position so that the cutting assembly 1 mounted on the adjusting member 31 is in the same horizontal plane as the target cutting position, and then the adjusting member 31 is driven to swing with the guide bar 32 as the rotation center so that the end of the adjusting member 31 near the rotating member 22 is near the target cutting position so that the cutting assembly 1 mounted on the adjusting member 31 is brought into contact with the target cutting position.

So set up, through the cooperation between regulating part 31 and the guide bar 32, can adjust the position of regulating part 31 according to the target cutting position to make the cutting assembly 1 that locates on regulating part 31 aim at the target cutting position, can use the waiting of different specifications to cut the piece, application scope is wide.

Alternatively, referring to fig. 2 and 3 together, the rotating member 22 has a first mounting portion 221 and a second mounting portion 222, where the first mounting portion 221 and the second mounting portion 222 are spaced apart, and a first gap 223 is formed between the first mounting portion 221 and the second mounting portion 222, so that an end of the adjusting member 31 near the guide rod 32 can move in the first gap 223; the rotating member 22 further has a third mounting portion 224 and a fourth mounting portion 225, the third mounting portion 224 and the fourth mounting portion 225 are disposed at intervals, and a second gap 226 is formed between the third mounting portion 224 and the fourth mounting portion 225, so that the other end of the adjusting member 31 can move in the second gap 226.

Specifically, when the position of the cutting assembly 1 is adjusted, the adjusting member 31 is driven to move on the guide rod 32 in the axial direction of the fixed disk 21, one end of the adjusting member 31, which is close to the guide rod 32, moves in the first notch 223, and the other end moves in the second notch 226; when the driving adjustment member 31 swings around the guide bar 32 as a rotation center, one end of the adjustment member 31 away from the guide bar 32 swings in the second notch 226.

So set up, can provide the activity space for regulating member 31 through first breach 223 and second breach 226 to can carry out the spacing to regulating member 31 through first installation department 221, second installation department 222, third installation department 224 and fourth installation department 225 that the interval set up, prevent to deviate from in regulating member 31 the regulation in-process follow first breach 223 and the second breach 226.

In another embodiment of the present application, referring to fig. 2, the adjusting assembly 3 further includes a first adjusting rod 33, where the first adjusting rod 33 is disposed along an axial direction of the fixed disc 21 and is limited on the rotating member 22 along the axial direction of the fixed disc 21, and the first adjusting rod 33 is screwed to the adjusting member 31 and is rotatable on the rotating member 22.

Specifically, the first adjusting rod 33 is screwed with the adjusting member 31, and the adjusting member 31 can be driven to move on the guide rod 32 in the axial direction of the fixed disk 21 by rotating the first adjusting rod 33 so that the cutting assembly 1 provided on the adjusting member 31 is in the same horizontal plane as the target cutting position.

The arrangement is that the cutting assembly 1 arranged on the adjusting piece 31 can be driven to move by rotating the first adjusting rod 33, so that the cutting assembly 1 and the target cutting position are positioned in the same horizontal plane, namely, the cutting assembly 1 is aligned to the target cutting position, and the matching between the first adjusting rod 33 and the adjusting piece 31 can be suitable for pieces to be cut with different sizes, so that the application range is wide; in addition, the first adjusting rod 33 is in threaded connection with the adjusting member 31, so that the linear motion of the radial adjusting member 31 can be converted into circular motion, and the feeding amount along the axial direction of the fixed disc 21 can be finely adjusted to cut out cutting surfaces with different specifications, thereby being beneficial to improving the cutting precision and further improving the forming quality of the cutting surfaces.

In another embodiment of the present application, referring to fig. 2, the rotating member 22 is provided with a first arc groove 227, and the first adjusting rod 33 is disposed through the first arc groove 227 and can slide along the first arc groove 227, so that the adjusting member 31 swings around the guiding rod 32.

Specifically, when the adjusting member 31 is adjusted, the adjusting member 31 is driven to swing around the guide bar 32 to slide the first adjusting lever 33 in the first arc groove 227.

So arranged, the position adjustment of the cutting assembly 1 on a plane perpendicular to the axial direction of the fixed disk 21 can be achieved; in addition, through the cooperation between first regulation pole 33 and the first arc wall 227, can carry out the spacing at the in-process that drives regulating part 31 and swing, prevent regulating part 31 and appear rocking the condition in the regulation in-process, lead to cutting assembly 1 to appear the deviation in the in-process of aiming at the target position, help improving cutting quality.

In another embodiment of the present application, referring to fig. 2, the rotating member 22 is further provided with a second arc groove 228 spaced from the first arc groove 227, and the adjusting assembly 3 further includes a second adjusting rod 34, where the second adjusting rod 34 sequentially passes through the second arc groove 228 and the adjusting member 31, and is configured to slide in the second arc groove 228 when the adjusting member 31 swings.

Specifically, when the adjusting member 31 is adjusted, the adjusting member 31 is driven to swing around the guide rod 32, and the second adjusting rod 34 is disposed through an end of the adjusting member 31 away from the guide rod 32, so that the adjusting member 31 can move on the second adjusting rod 34, wherein the second adjusting rod 34 is disposed through the second arc-shaped groove 228, so that the second adjusting rod 34 slides in the second arc-shaped groove 228.

By the arrangement, the adjusting piece 31 and the second adjusting rod 34 are matched, so that the adjusting piece 31 can be guided in the process of driving the adjusting piece 31 to axially move along the fixed disc 21 on the guide rod 32, the adjusting piece 31 is prevented from being separated from the fixed disc 21 in the axial direction, the accuracy of the adjusting piece 31 in the adjusting process is improved, and the forming quality of a cutting surface is improved; in addition, through the cooperation between the second regulation pole 34 and the second arc groove 228, in the in-process that drives regulating piece 31 to swing, carry out spacing to regulating piece 31, prevent regulating piece 31 to appear rocking the condition in the regulation in-process, lead to cutting assembly 1 to appear the deviation in the in-process of aiming at the target position, help further improving cutting quality.

In another embodiment of the present application, referring to fig. 2, the outer wall of the first adjusting rod 33 is sleeved with a limiting gasket 35, the first adjusting rod 33 is limited in the first arc groove 227 along the axial direction of the fixed disc 21 by the limiting gasket 35, and the first adjusting rod 33 can rotate relative to the limiting gasket 35.

Specifically, when the adjustment member 31 is driven to move in the axial direction of the fixed disk 21 by rotating the first adjustment lever 33, the first adjustment lever 33 can be restrained in the axial direction of the fixed disk 21.

So set up, when driving adjustment piece 31 on guide bar 32 along fixed disk 21 axial displacement, can carry out spacingly to first regulation pole 33 through spacing gasket 35, can prevent through spacing gasket 35 that adjustment piece 31 and rotating member 22 from continuing to remove after the butt, lead to adjustment piece 31, rotating member 22 damage or make the connecting thread scrape the silk.

Optionally, referring to fig. 2, an adjusting nut 37 is further disposed on the first adjusting rod 33, and the adjusting nut 37 is in threaded connection with the first adjusting rod 33.

In this manner, by rotating the adjustment nut 37, the first adjustment lever 33 can be driven to move in the axial direction of the fixed disk 21, so that the adjustment member 31 can also move in the axial direction of the fixed disk 21.

In another embodiment of the present application, referring to fig. 1, the adjusting assembly 3 further includes an adjusting disc 36 rotatably disposed on the rotating member 22, and an output end of the adjusting disc 36 is connected to the adjusting member 31 to drive the adjusting member 31 to swing when rotating.

Specifically, during the cutting of the valve, the adjustment plate 36 is threadedly coupled to the rotary member 22, and the operator rotates the adjustment plate 36 such that the adjustment plate 36 is movable within the rotary member 22 to drive the adjustment member 31 to rotate.

When the workpiece to be cut is cut, the adjusting disc 36 is matched with the rotating piece 22, so that the adjusting piece 31 can be finely adjusted in the cutting process, the cutting feeding amount can be adjusted, and cutting surfaces with different depths can be cut; in addition, the adjusting disk 36 is in threaded connection with the rotating member 22, so that the linear motion of the adjusting disk 36 can be converted into circular motion, and in the process of adjusting the cutting depth, the accuracy of adjustment is improved, and the adjustment is convenient

In another embodiment of the present application, referring to fig. 1, the cutting assembly 1 includes a fixing structure 11 provided on an adjusting member 31 and a cutter 12 detachably provided on the fixing structure 11.

The cutter 12 can be detachably connected with the adjusting piece 31 through the fixing structure 11, and the cutters 12 with different specifications can be replaced, so that the application range of the cutting device is improved; in addition, when cutter 12 is damaged, maintenance is facilitated.

Alternatively, referring to fig. 1, the cutter 12 is connected to the air motor 4.

By this arrangement, the cutter 12 can be operated smoothly by utilizing the excellent properties of the air motor 4, such as long-time load operation, high rotation moment, wide applicable power range and rotation speed range, and fast start and stop rotation speed.

In another embodiment of the present application, referring to fig. 1, the fixed structure 11 includes a fixed seat 111 and a movable seat 112, the fixed seat 111 is disposed on the adjusting member 31, one end of the movable seat 112 is hinged to one end of the fixed seat 111, and the other end of the movable seat 112 is detachably connected to the fixed seat 111, so as to detachably assemble the cutting assembly 1 between the fixed seat 111 and the movable seat 112.

Specifically, the first end of the movable seat 112 is hinged to the first end of the fixed seat 111, the second end of the movable seat 112 is detachably connected to the second end of the fixed seat 111, the second end of the movable seat 112 is separated from the second end of the fixed seat 111, the cutter 12 is mounted, and then the second end of the movable seat 112 is attached to the second end of the fixed seat 111, so that the cutter 12 is disposed between the movable seat 112 and the fixed seat 111.

So configured, through the cooperation between the fixed seat 111 and the movable seat 112, the cutter 12 can be detachably connected with the fixed structure 11.

The foregoing description of the preferred embodiments of the present application is not intended to be limiting, but is intended to cover any and all modifications, equivalents, and alternatives falling within the spirit and principles of the present application.

Claims

1. A cutting device, comprising:

a cutting assembly;

the adjusting component comprises an adjusting piece, the cutting component is assembled on the adjusting piece, and the adjusting piece is movably arranged on the rotating piece so as to adjust the position of the cutting component and enable the cutting component to be aligned to a target cutting position;

the fixed disc is of a cylindrical structure and is used for sleeving a central part of the piece to be cut;

the adjusting component comprises a guide rod which is arranged on the rotating piece and extends along the axial direction of the fixed disc; one end of the adjusting piece is arranged on the guide rod in a penetrating mode and can move relative to the guide rod, and the other end of the adjusting piece is movably connected with the rotating piece.

2. The cutting apparatus of claim 1, wherein the adjustment assembly further comprises a first adjustment rod extending axially of the fixed disk and axially of the fixed disk on the rotatable member, the first adjustment rod being threadably coupled to the adjustment member and rotatable on the rotatable member.

3. The cutting device of claim 2, wherein the rotating member is provided with a first arc-shaped slot, and the first adjusting lever is disposed through the first arc-shaped slot and is capable of sliding along the first arc-shaped slot to enable the adjusting member to swing around the guide rod.

4. The cutting device of claim 3, wherein the rotating member is further provided with a second arc-shaped slot spaced from the first arc-shaped slot, and the adjusting assembly further comprises a second adjusting rod, which sequentially passes through the second arc-shaped slot and the adjusting member and is configured to slide in the second arc-shaped slot when the adjusting member swings.

5. The cutting device of claim 4, wherein the outer wall of the first adjusting rod is sleeved with a limiting gasket, the first adjusting rod is limited in the first arc-shaped groove along the axial direction of the fixed disc through the limiting gasket, and the first adjusting rod can rotate relative to the limiting gasket.

6. The cutting device of any one of claims 1-5, wherein the adjustment assembly further comprises an adjustment disc rotatably disposed on the rotatable member, an output end of the adjustment disc being coupled to the adjustment member to drive the adjustment member to oscillate when rotated.

7. The cutting device of claim 6, wherein the cutting assembly includes a fixed structure provided on the adjustment member and a cutter removably provided on the fixed structure.

8. The cutting device of claim 7, wherein the fixed structure comprises a fixed seat and a movable seat, the fixed seat is disposed on the adjusting member, one end of the movable seat is hinged to one end of the fixed seat, and the other end of the movable seat is detachably connected to the fixed seat, so that the cutting assembly is detachably assembled between the fixed seat and the movable seat.