Cutting device

Abstract

The utility model provides a cutting device. A cutting piece is connected with a main body piece; the clamping assembly and the supporting piece are located on the side, away from the to-be-cut piece, of the cutting piece. The clamping assembly is arranged on the main body piece; the clamping part of the clamping assembly has a clamping state of clamping the supporting piece and a loosening state of being separated from the supporting piece; the supporting piece and the cutting piece are oppositely arranged, so that at least part of the supporting piece has a supporting state of being embedded in the cutting seam after the cutting seam is cut by the cutting piece; the main body piece and the clamping assembly are both arranged in a manner of avoiding the to-be-cut piece. The main body piece is movably arranged in the direction close to the to-be-cut piece so as to move to the first position where at least part of the supporting piece can be in the supporting state and the clamping part can be in the clamping state or the second position where at least part of the supporting piece can be in the supporting state and the clamping part can be in the loosening state. According to the technical scheme provided by the utility model, the technical problem that a cutting piece of a diamond wire saw in the prior art is easily clamped in a kerf can be solved.

Description

Technical Field

[0001] This utility model relates to the field of cutting device technology, and more specifically, to a cutting device. Background Technology

[0002] Currently, diamond wire saw cutting is mainly used in oil extraction and transportation, subsea pipeline cutting and repair, platform abandonment column cutting, and wind turbine pile leg cutting.

[0003] However, during the horizontal cutting of vertical pipe columns, when the pipe column is about to be cut, the cut will narrow due to the weight of the upper pipe column, which will create a clamping force on the cutting rope. The cutting rope will stop circulating because it is difficult to overcome the clamping force generated by the weight of the upper pipe column, thus affecting the normal progress of the cutting operation. Utility Model Content

[0004] The main objective of this invention is to provide a cutting device to solve the technical problem that diamond wire saw cutting parts are easily stuck in the kerf in the prior art.

[0005] To achieve the above objectives, this utility model provides a cutting device, comprising:

[0006] Main body and cutting parts, with the cutting parts connected to the main body;

[0007] Both the clamping assembly and the support are located on the side of the cutting member away from the workpiece to be cut; the clamping assembly is mounted on the main body; the clamping part of the clamping assembly has a clamped state of clamping the support and a loose state of separating from the support; the support is disposed opposite to the cutting member so that at least a portion of the support has a supporting state embedded in the cutting slit after the cutting member cuts a slit.

[0008] The main body and the clamping assembly are both disposed to avoid the workpiece to be cut; the main body is movably disposed in the direction close to the workpiece to be cut, so as to move to a first position in which at least part of the support member is in a supported state and the clamping part is in a clamped state, or to a second position in which at least part of the support member is in a supported state and the clamping part is in a loosened state.

[0009] Furthermore, the clamping assembly includes a connecting portion connected to the clamping part, the connecting portion being movably disposed on the main body; and / or,

[0010] The clamping part includes a first clamping member and a second clamping member connected to each other, at least one of the first clamping member and the second clamping member being movably disposed such that the clamping end of the first clamping member and the clamping end of the second clamping member are close to or far from each other.

[0011] Furthermore, the cutting device also includes:

[0012] A shaft is inserted into the body, at least a portion of which protrudes from the body; at least a portion of the shaft is used to be inserted into the mounting hole of the clamping assembly so that the clamping assembly is rotatable relative to the shaft.

[0013] Furthermore, the support element is a wedge-shaped pad; and / or,

[0014] The support member includes an interlocking insert and a supporting part, the thickness of which is less than or equal to the thickness of the cutting member, and the thickness of which is greater than the thickness of the cutting member.

[0015] Furthermore, the cutting device also includes:

[0016] The mounting component is used to fix the part to be cut; the main body is set on the mounting component.

[0017] Furthermore, the mounting component is provided with a first guide portion extending along a first preset direction, and the main body component is provided with a second guide portion that guides and cooperates with the first guide portion, so that the main body component can move along the first preset direction.

[0018] Furthermore, the cutting element is a cutting rope, and the cutting device also includes multiple guide wheels. The multiple guide wheels are spaced apart on the main body along the outer edge of the main body, and the cutting rope is sleeved on the multiple guide wheels so that the cutting rope is in a tensioned state.

[0019] The guide wheels are rotatably arranged to allow the cutting rope to circulate around multiple guide wheels; and / or,

[0020] The cutting device also includes a drive unit, the drive end of which is drivenly connected to at least one of a plurality of guide wheels, so that at least one of the plurality of guide wheels is rotatable.

[0021] Furthermore, the main body is provided with a clearance opening groove for avoiding the workpiece to be cut, the cutting workpiece is set at the opening of the clearance opening groove, and the support member is set between the bottom of the clearance opening groove and the opening of the groove.

[0022] Specifically, along the direction from the bottom of the groove to the opening, the depth of the opening groove should be greater than the length of the workpiece to be cut; and / or,

[0023] Along the direction from the bottom of the groove to the opening of the groove, the distance between the support and the cutting part is less than the length of the part to be cut.

[0024] Furthermore, the main components include:

[0025] A first main body portion and a second main body portion are interconnected, with at least a portion of the first main body portion and at least a portion of the second main body portion spaced apart and disposed opposite to each other to form an avoidance opening slot;

[0026] The clamping part is at least two, one of the at least two clamping parts is disposed on the first main body part, and the other of the at least two clamping parts is disposed on the second main body part, and one of the at least two clamping parts is disposed opposite to the other.

[0027] Furthermore, the cutting device also includes:

[0028] The position detection component is installed on the main body, with its detection end facing the support component. The position detection component is used to detect the position of the support component.

[0029] By applying the technical solution of this utility model, after the cutting element cuts a kerf on the workpiece, the support element is embedded within the kerf to prevent the kerf from shrinking under external forces. The support element ensures the size of the kerf, thus preventing the cutting element from getting stuck and unable to continue cutting. Furthermore, the two states of the clamping assembly prevent the support element from slipping within the kerf due to the clamping force, ensuring its supporting function. Therefore, the technical solution of this utility model solves the technical problem of diamond wire saw cutting elements easily getting stuck in the kerf in existing technologies. Attached Figure Description

[0030] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an undue limitation of the present invention. In the drawings:

[0031] Figure 1 A schematic diagram of the cutting device provided according to Embodiment 1 of the present invention is shown;

[0032] Figure 2 A schematic diagram of the cutting device provided according to Embodiment 1 of the present invention is shown from another angle;

[0033] Figure 3 A structural schematic diagram of the cutting device provided according to Embodiment 1 of the present invention is shown from another angle;

[0034] Figure 4 A schematic diagram of the clamping assembly of the cutting device according to Embodiment 1 of the present invention is shown;

[0035] Figure 5 A schematic diagram of the structure of the support member of the cutting device provided according to Embodiment 1 of the present invention is shown.

[0036] The above figures include the following reference numerals:

[0037] 10. Main components;

[0038] 11. Clearance opening slot; 111. Slot opening; 112. Slot bottom; 12. First main body part; 13. Second main body part;

[0039] 20. Cut parts;

[0040] 30. Clamping assembly;

[0041] 31. Clamping part; 311. First clamping member; 312. Second clamping member; 32. Connecting part; 33. Shaft; 34. Mounting hole; 35. Spring member;

[0042] 40. Support component; 41. Embedded part; 42. Support part;

[0043] 50. Installation components;

[0044] 60. Guide wheel;

[0045] 70. Parts to be cut. Detailed Implementation

[0046] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0047] like Figures 1 to 5 As shown, Embodiment 1 of this utility model provides a cutting device, which includes a main body 10 and a cutting element 20, with the cutting element 20 connected to the main body 10. The cutting device also includes a clamping assembly 30 and a support element 40, both located on the side of the cutting element 20 away from the workpiece 70 to be cut; the clamping assembly 30 is disposed on the main body 10; the clamping portion 31 of the clamping assembly 30 has a clamping state of clamping the support element 40 and a loosening state of separating from the support element 40; the support element 40 is disposed opposite to the cutting element 20 so that after the cutting element 20 cuts a slit, at least a portion of the support element 40 has a supporting state embedded in the slit. The main body 10 and the clamping assembly 30 are both disposed to avoid the workpiece 70 to be cut; the main body 10 is movably disposed in a direction close to the workpiece 70 to be cut, so as to move to a first position in which at least part of the support member 40 is in a supported state and the clamping part 31 is in a clamped state, or to a second position in which at least part of the support member 40 is in a supported state and the clamping part 31 is in a loosened state.

[0048] The cutting device provided in Embodiment 1 of this utility model can prevent the cutting kerf from shrinking under external force after the cutting piece 20 cuts a kerf on the workpiece 70. This is achieved by embedding the support member 40 within the kerf, ensuring the kerf size is maintained. The support member 40 also ensures the kerf remains within the kerf, preventing the cutting piece 20 from becoming stuck and unable to continue cutting. Furthermore, the two states of the clamping component 30 prevent the support member 40 from slipping within the kerf due to the force exerted by the clamping component 30, thus guaranteeing its supporting function. Therefore, the cutting device provided in this embodiment solves the technical problem of diamond wire saw cutting pieces easily getting stuck in the kerf in the prior art.

[0049] Specifically, the cutting component 20 is a diamond wire saw cutting rope. Since the diamond wire saw cutting rope needs to move back and forth or rotate cyclically to cut the object, the design of this embodiment better avoids the problem of the diamond wire saw cutting rope getting stuck in the cutting kerf and unable to move back and forth or rotate cyclically, thus better ensuring the cutting effect.

[0050] Specifically, the part to be cut 70 is a cylindrical structure. The cylindrical structure extends vertically. Specifically, the cutting part 20 is used to perform horizontal cutting on the part to be cut 70.

[0051] Specifically, the main body 10 is movably disposed along the direction close to the workpiece 70 to be cut, so that the main body 10 first moves to a first position in which at least a portion of the support member 40 is in a supported state and the clamping part 31 is in a clamped state, and then moves to a second position in which at least a portion of the support member 40 is in a supported state and the clamping part 31 is in a released state. With this structural arrangement, by setting the two states of the clamping assembly 30, it is possible to ensure that the support member 40 will not slip within the cutting kerf due to the force of the clamping assembly 30, thereby ensuring the supporting function of the support member 40.

[0052] Specifically, Figure 1 The image shows the pre-cutting state of the cutting device, at which point the cutting element 20 has not yet cut the element 70 to be cut. Figure 2 The image shows the state of the cutting device during cutting. At this time, the support member 40 is just embedded in the cutting kerf, the support member 40 is in a supporting state, and the clamping part 31 is in a clamping state. Figure 3 The image shows the state after the cutting device has completed cutting. At this time, the support member 40 is still embedded in the cutting slit and is in a supporting state, while the clamping part 31 is in a loose state to avoid interference with the cutting.

[0053] Specifically, the clamping assembly 30 includes a connecting portion 32 that is connected to the clamping part 31, and the connecting portion 32 is movably disposed on the main body 10. With this arrangement, it is easy to avoid the workpiece 70 to be cut by moving the connecting portion 32.

[0054] Specifically, the clamping part 31 includes a first clamping member 311 and a second clamping member 312 connected to each other. At least one of the first clamping member 311 and the second clamping member 312 is movably disposed so that the clamping end of the first clamping member 311 and the clamping end of the second clamping member 312 move closer to or further away from each other. With this structural arrangement, it is easier to clamp the support member 40 by the arrangement of the first clamping member 311 and the second clamping member 312, thereby causing the support member 40 to move together.

[0055] Specifically, the first clamping member 311 and the second clamping member 312 are connected by a spring member 35. This arrangement allows the clamping ends of the first clamping member 311 and the second clamping member 312 to come close together through the elastic action of the spring member 35, thereby facilitating the clamping of the support member 40.

[0056] In this embodiment, the cutting device further includes a shaft post 33, which is inserted into the main body 10, with at least a portion of the shaft post 33 protruding from the main body 10. At least a portion of the shaft post 33 is used to insert into the mounting hole 34 of the clamping assembly 30, allowing the clamping assembly 30 to rotate relative to the shaft post 33. This structural arrangement facilitates the rotation of the clamping assembly 30 relative to the shaft post 33, thereby facilitating the avoidance of the workpiece 70 to be cut.

[0057] Specifically, the support member 40 is a wedge-shaped pad. This structural arrangement facilitates the embedding of the thinner portion of the wedge-shaped pad into the cutting kerf, while simultaneously providing support to the cutting kerf through the thicker portion of the wedge-shaped pad.

[0058] Specifically, along the height direction of the part to be cut 70, the minimum thickness of the support member 40 on the side closer to the part to be cut 20 is less than or equal to the thickness of the part to be cut 20; the thickness of the support member 40 on the side farther from the part to be cut 20 is greater than the thickness of the side closer to the part to be cut 20. This structural arrangement facilitates the embedding of the support member 40 on the side closer to the part to be cut 20 into the cutting kerf created by the part to be cut 20, while simultaneously providing support for the cutting kerf from the side of the support member 40 farther from the part to be cut 20, thus maintaining a certain distance between the cut portions and preventing the part to be cut 20 from getting stuck in the cutting kerf.

[0059] Specifically, the support member 40 includes an insert portion 41 and a support portion 42 connected to each other. The thickness of the insert portion 41 is less than or equal to the thickness of the cutting member 20, and the thickness of the support portion 42 is greater than the thickness of the cutting member 20. With this structural arrangement, the support member 40 can be embedded in the cutting slit through the insert portion 41, while the support portion 42 provides support for the cutting slit. This allows the spacing between the cut parts to be greater than the thickness of the cutting member 20, thereby better ensuring smooth cutting of the cutting member 20.

[0060] In this embodiment, the cutting device further includes a mounting member 50, which is used to fix the cutting device to the workpiece 70; the main body 10 is disposed on the mounting member 50. This structural arrangement facilitates fixing the cutting device to the workpiece 70 via the mounting member 50, thereby facilitating the positioning of the cutting position and ensuring cutting accuracy.

[0061] Specifically, the mounting component 50 is provided with a first guide portion extending along a first preset direction, and the main body 10 is provided with a second guide portion that guides and cooperates with the first guide portion, so that the main body 10 can move along the first preset direction. With this structural arrangement, the main body 10 can move in a fixed direction through the guiding cooperation between the first guide portion and the second guide portion, avoiding the deviation of the movement direction from affecting the cutting effect of the cutting component 20 and the supporting effect of the support component 40.

[0062] Specifically, for ease of structural design, one of the first guide section and the second guide section is a guide block, and the other of the first guide section and the second guide section is a guide groove.

[0063] Specifically, the cutting element 20 is a cutting rope, and the cutting device also includes multiple guide wheels 60. These guide wheels 60 are spaced apart along the outer edge of the main body 10, and the cutting rope is looped around the guide wheels 60 to keep it taut. The guide wheels 60 are rotatably arranged so that the cutting rope circulates around them. This structural arrangement allows the cutting rope to circulate, enabling the cutting element 70 to be cut.

[0064] Specifically, the cutting element 20 is a cutting rope, and the cutting device also includes multiple guide wheels 60, which are spaced apart along the outer edge of the main body 10. The cutting rope is looped around the guide wheels 60 to keep it taut. The cutting device also includes a driving element, the driving end of which is connected to at least one of the guide wheels 60, allowing at least one of the guide wheels 60 to rotate. This structural arrangement allows the driving element to drive the guide wheels 60 to rotate, thereby inducing the cutting rope to enter a cyclic rotation state, improving the ease of operation of the cutting device.

[0065] In this embodiment, the main body 10 is provided with a clearance opening groove 11 for avoiding the workpiece 70 to be cut. The cutting member 20 is disposed at the opening 111 of the clearance opening groove 11, and the support member 40 is disposed between the bottom 112 and the opening 111 of the clearance opening groove 11. The depth of the clearance opening groove 11 along the direction from the bottom 112 to the opening 111 is greater than the length of the workpiece 70 to be cut. This structural arrangement allows the clearance opening groove 11 to avoid interference with the workpiece 70, preventing interference with the cutting process. Furthermore, the depth of the clearance opening groove 11 being greater than the length of the workpiece 70 ensures that the cutting member 20 can completely cut the workpiece 70 along the direction from the bottom 112 to the opening 111, preventing the cutting member 20 from failing to cut through.

[0066] Specifically, the main body 10 is provided with a clearance opening groove 11 for avoiding the workpiece 70 to be cut. The cutting workpiece 20 is disposed at the opening 111 of the clearance opening groove 11, and the support member 40 is disposed between the bottom 112 and the opening 111 of the clearance opening groove 11. Along the direction from the bottom 112 to the opening 111, the distance between the support member 40 and the cutting workpiece 20 is less than the length of the workpiece 70 to be cut. This structural arrangement ensures that the support member 40 can promptly provide support by ensuring that the distance between the support member 40 and the cutting workpiece 20 is less than the length of the workpiece 70 to be cut, thus preventing the support member 40 from failing before it is properly inserted into the cutting seam after the cutting workpiece 20 has been cut.

[0067] Specifically, the main body 10 includes a first main body portion 12 and a second main body portion 13 connected to each other. At least a portion of the first main body portion 12 and at least a portion of the second main body portion 13 are spaced apart and arranged opposite to each other to form a clearance opening groove 11. There are at least two clamping portions 31, one of which is disposed on the first main body portion 12, and the other of which is disposed on the second main body portion 13. The clamping portions 31 are arranged opposite to each other. With this structural arrangement, the clearance opening groove 11 is formed by the arrangement of the first main body portion 12 and the second main body portion 13, and the support member 40 is better clamped by the arrangement of the two clamping portions 31. This facilitates a more stable and efficient sequential arrival at the first and second positions during the movement of the main body 10.

[0068] In the second embodiment of this utility model, the cutting device further includes a position detection component and a control component. The position detection component is disposed on the main body 10, with its detection end facing the support component 40. The position detection component is used to detect the position of the support component 40. The control component is used to drive the clamping part 31 to move, so that the clamping part 31 moves to a clamping state or a loosening state. The position detection component and the control component are connected so that when the position detection component detects that the support component 40 is in a supporting state, the clamping part 31 is in a loosening state. This arrangement facilitates the improvement of the intelligent operation of the cutting device. By using the position detection component to determine whether the support component 40 has entered the supporting state, it is easy to promptly control the clamping part 31 to be in a loosening state through the control component when the support component 40 is detected to have entered the supporting state. This ensures the stable support of the support component 40 within the cutting kerf and avoids the possibility of the support component 40 continuing to move under the drive of the clamping component 30, thus ensuring the stability of the cutting device.

[0069] Specifically, the clamping assembly 30 is connected to the main body 10 via the shaft 33 and moves forward with the cutting element 20. When the wedge-shaped pad reaches the wire saw cutting kerf position, the front end of the wedge-shaped pad enters the cutting kerf, but the rear end of the wedge-shaped pad is stuck by the cutting kerf because its thickness is greater than that of the front end. Under the weight of the upper tube being cut, the wedge-shaped pad cannot continue to move forward with the cutting element 20, while the clamping assembly 30 continues to move forward with the cutting element 20. At this time, a tension is generated between the wedge-shaped pad and the clamping assembly 30. After overcoming the pressure of the spring 35, the wedge-shaped pad disengages from the clamping assembly 30. As the wedge-shaped pad disengages from the clamping assembly 30, the clamping assembly 30 rotates around the shaft 33, thereby clearing the forward path of the main body 10 and preventing the clamping assembly 30 from interfering with the tube and affecting the movement of the cutting element 20. When the tubing is about to be cut, the weight of the upper tubing will act on the wedge-shaped pad, thereby preventing the kerf distance from decreasing and avoiding the cutting piece 20 from getting stuck.

[0070] As can be seen from the above description, the embodiments of this utility model achieve the following technical effects:

[0071] 1. Effectively prevents the wire saw from getting stuck during the cutting process, ensuring high-speed cutting operations;

[0072] 2. The wedge-shaped pads automatically detach and lock into the pipe string cut, eliminating the need for external equipment assistance;

[0073] 3. The structure is simple, requiring only simple modifications to the existing wire saw structure, resulting in lower costs.

[0074] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0075] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps described in these embodiments do not limit the scope of this application. It should also be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0076] In the description of this application, it should be understood that the orientation or positional relationship indicated by directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" is usually based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing this application and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this application; the directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.

[0077] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0078] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be construed as limiting the scope of protection of this application.

[0079] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A cutting device, characterized in that, The cutting device comprises: a main body (10) and a cutting piece (20) connected to the main body (10); a clamping assembly (30) and a support piece (40) located on a side of the cutting piece (20) away from the to-be-cut piece; the clamping assembly (30) is arranged on the main body (10); a clamping portion (31) of the clamping assembly (30) has a clamping state of clamping the support piece (40) and a loosening state of being separated from the support piece (40); the support piece (40) is arranged opposite to the cutting piece (20) to make at least part of the support piece (40) have a supporting state of being embedded in a cutting seam after the cutting piece (20) cuts out the cutting seam; wherein the main body (10) and the clamping assembly (30) are arranged away from the to-be-cut piece; the main body (10) is movably arranged along a direction close to the to-be-cut piece to move to a first position where at least part of the support piece (40) is in the supporting state and the clamping portion (31) is in the clamping state or a second position where at least part of the support piece (40) is in the supporting state and the clamping portion (31) is in the loosening state.

2. The cutting device of claim 1, wherein, The clamping assembly (30) comprises a connecting portion (32) connected to the clamping portion (31), and the connecting portion (32) is movably arranged on the main body (10); and / or The clamping portion (31) comprises a first clamping piece (311) and a second clamping piece (312) connected to each other, and at least one of the first clamping piece (311) and the second clamping piece (312) is movably arranged to make clamping ends of the first clamping piece (311) and the second clamping piece (312) approach or move away from each other.

3. The cutting device of claim 1, wherein, The cutting device further comprises: a shaft column (33) inserted into the main body (10), at least part of the shaft column (33) protruding from the main body (10); at least part of the shaft column (33) is used to be inserted into a mounting hole (34) of the clamping assembly (30) to make the clamping assembly (30) rotatable relative to the shaft column (33).

4. The cutting device according to claim 1, wherein the support piece (40) is a wedge-shaped pad; and / or the support piece (40) comprises an embedding portion (41) and a supporting portion (42) connected to each other, a thickness of the embedding portion (41) is less than or equal to a thickness of the cutting piece (20), and a thickness of the supporting portion (42) is greater than the thickness of the cutting piece (20).

5. The cutting device of claim 1, wherein, The cutting device further comprises: a mounting piece (50) used for fixed connection with the to-be-cut piece; the main body (10) is arranged on the mounting piece (50).

6. The cutting device of claim 5, wherein, A first guide portion extending along a first preset direction is arranged on the mounting piece (50), and a second guide portion guidingly matched with the first guide portion is arranged on the main body (10) to make the main body (10) movable along the first preset direction.

7. The cutting device of claim 1, wherein The cutting member (20) is a cutting rope, and the cutting device further comprises a plurality of guide wheels (60) which are arranged on the main body member (10) along the outer edge of the main body member (10) and are spaced apart from each other, and the cutting rope is sleeved on the plurality of guide wheels (60) so that the cutting rope is in a tensioned state; wherein the guide wheels (60) are rotatably arranged so that the cutting rope is circulated and rotated around the plurality of guide wheels (60); and / or The cutting device further comprises a driving member, and a driving end of the driving member is drivingly connected with at least one of the plurality of guide wheels (60) so that the at least one of the plurality of guide wheels (60) is rotatable.

8. The cutting device of claim 1, wherein, The main body member (10) is provided with an avoiding opening slot (11) for avoiding the to-be-cut member, the cutting member (20) is arranged at a slot opening (111) of the avoiding opening slot (11), and the support member (40) is arranged between the slot bottom (112) of the avoiding opening slot (11) and the slot opening (111); wherein the depth of the avoiding opening slot (11) is greater than the length of the to-be-cut member in the direction from the slot bottom (112) to the slot opening (111); and / or The distance between the support member (40) and the cutting member (20) is less than the length of the to-be-cut member in the direction from the slot bottom (112) to the slot opening (111).

9. The cutting device of claim 8, wherein, The main body member (10) comprises: a first main body part (12) and a second main body part (13) which are connected to each other, at least part of the first main body part (12) and at least part of the second main body part (13) are arranged in a spaced-apart and opposite manner to form the avoiding opening slot (11); wherein the clamping parts (31) are at least two, one of the at least two clamping parts (31) is arranged on the first main body part (12), the other of the at least two clamping parts (31) is arranged on the second main body part (13), and the one and the other of the at least two clamping parts (31) are arranged in an opposite manner.

10. The cutting device of claim 1, wherein, The cutting device further comprises: a position detection member which is arranged on the main body member (10), and a detection end of the position detection member is arranged towards the support member (40), and the position detection member is used for detecting the position of the support member (40).

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