Ring cutting device and bending and sleeving all-in-one machine thereof

Abstract

The invention discloses an annular cutting device and a bending and sleeving all-in-one machine thereof.The annular cutting device conducts annular cutting on a pipe through a cutting assembly to form an annular cutting mark, the pipe is cut off at the annular cutting mark in the radial direction through a cutting assembly, and when annular cutting is not good, the annular cutting mark is cut off; and the problems that the cutting assembly is not tight in clamping, the feeding assembly slips and is not tight in clamping, and the copper pipe retracts due to burrs are solved. The requirement of equipment for the cutter and the feeding position of the cutter is reduced, the debugging period of personnel is shortened, meanwhile, the abrasion of the cutter is reduced, long-time stable production of the equipment is guaranteed, the stability of the equipment is improved, and the debugging time of the equipment is shortened.

Description

Technical Field

[0001] The invention relates to the technical field of manufacturing bending and sleeve integrated machines, and in particular to a ring cutting and truncation device and a bending and sleeve integrated machine. Background Art

[0002] In recent years, with the continuous improvement of the degree of industrial automation, the demand for automation equipment by enterprises is also increasing. In the processing of the two-device pipeline of the air conditioner, the use of a small U-bend sleeve integrated machine can realize the automated forming processing of the small elbow. The high-speed circumferential cutting and rigid breaking technology used for straight pipe cutting have many problems. If the circumferential cutting is not good, the breaking mold will need to use too much force to break the straight pipe, resulting in the breaking mold not being clamped tightly, the feeding mold slipping and not clamping tightly, and the copper tube shrinking due to burrs. Summary of the invention

[0003] The purpose of the present invention is to provide a ring cutting and cutting device and a bending and sleeve integrated machine thereof, aiming to solve the technical problems of the existing bending and sleeve integrated machine, such as the pulling and breaking mold cannot be clamped tightly, the feeding mold slips and cannot be clamped tightly, and the copper tube shrinks due to burrs.

[0004] In order to solve the above-mentioned problem, according to one aspect of the present application, an embodiment of the present invention provides a ring cutting and cutting device for a bending and sleeve integrated machine, the bending and sleeve integrated machine includes a feeding assembly, the ring cutting and cutting device includes a ring cutting assembly and a cutting assembly, the ring cutting assembly is arranged on one side of the feeding assembly, and the cutting assembly is arranged on the side of the ring cutting assembly away from the feeding assembly, the feeding assembly is used to transport the pipe to the ring cutting assembly and the cutting assembly, the ring cutting assembly is used to ring cut the pipe to form an annular cut, and the cutting assembly is used to radially cut the pipe at the annular cut.

[0005] In some embodiments, the cutting assembly includes a first supporting module, a first clamping module, a second clamping module and a first driving module. The first clamping module is movably arranged on the first supporting module along the radial direction of the tube, the second clamping module is arranged on the first supporting module, and the first driving module is connected to both the first clamping module and the second clamping module for staggering the first clamping module and the second clamping module to radially cut the tube at the annular cut.

[0006] In some embodiments, the first clamping module includes a first clamping portion disposed on the first supporting module and movable along the radial direction of the tube, a second clamping portion disposed on the first clamping portion and movable along the radial direction of the tube, and a second driving module, the first clamping portion and the second clamping portion are disposed side by side, and the second driving module is connected to both the first clamping portion and the second clamping portion to drive the first clamping portion and the second clamping portion to move toward each other or away from each other.

[0007] In some embodiments, the first clamping module also includes a first fixing plate and a second fixing plate extending radially along the length direction of the tube, the first clamping portion is arranged on the first fixing plate, the second driving module is arranged on any one of the first fixing plate and the second fixing plate, and the first telescopic portion of the second driving module is connected to the other of the first fixing plate and the second fixing plate so that the first fixing plate and the second fixing plate can move relative to each other in the length direction.

[0008] In some embodiments, the first fixing plate is arranged on one side of the second fixing plate, the second clamping portion is arranged on a side of the second fixing plate away from the first fixing plate, the first clamping portion is located on a side of the second fixing plate away from the first fixing plate, the second fixing plate is configured with a through groove extending along the length direction, the first clamping portion is configured with a connecting portion extending into the through groove, and the connecting portion is connected to the first fixing plate.

[0009] In some embodiments, the second clamping module includes a third clamping portion disposed on the first supporting module, a fourth clamping portion disposed on the third clamping portion and movable along the radial direction of the tube, and a third driving module, the fourth clamping portion is disposed above the third clamping portion, and the third driving module is connected to both the first supporting module and the fourth clamping portion to drive the third clamping portion and the fourth clamping portion to move toward each other or away from each other.

[0010] In some embodiments, the second clamping module includes a third fixed plate and a support plate, the third fixed plate is arranged on the first support module and is located on the side of the first clamping module facing the ring cutting assembly, the support plate is arranged on the third fixed plate, the third driving module is arranged on any one of the third fixed plate and the fourth clamping part, and the second telescopic part of the third driving module is connected to the other of the third fixed plate and the fourth clamping part so that the fourth clamping part is close to or away from the third fixed plate.

[0011] In some embodiments, the circular cutting component includes a second supporting module, a circular cutting assembly and a fourth driving module. The circular cutting assembly and the fourth driving module are both arranged on the second supporting module. The coaxial module is penetrated in the circular cutting assembly. The circular cutting assembly includes an eccentrically arranged cutter. The fourth driving module is connected to the circular cutting assembly to drive the circular cutting assembly to rotate.

[0012] In some embodiments, the circular cutting assembly also includes a feed module disposed on the second supporting module, the feed module including a sleeve mounted on the circular cutting assembly, a slider connected to the cutter and capable of moving radially along the circular cutting assembly, and a fifth driving module disposed on the second supporting module, the slider being located on the radially outer side of the circular cutting assembly and having a beveled surface, the inner wall of the sleeve being against the beveled surface, and the fifth driving module being connected to the sleeve for driving the sleeve to move axially.

[0013] According to another aspect of the present application, an embodiment of the present invention further provides a bending and sleeve integrated machine, which includes a feeding assembly and the ring cutting and truncation device as described above.

[0014] Compared with the prior art, the ring cutting and cutting device of the present invention has at least the following beneficial effects:

[0015] The embodiment of the present invention discloses a ring cutting and cutting device, which is used for a bending and sleeve integrated machine, the bending and sleeve integrated machine includes a feeding assembly, the ring cutting and cutting device includes a ring cutting assembly and a cutting assembly, the ring cutting assembly is arranged on one side of the feeding assembly, the cutting assembly is arranged on the side of the ring cutting assembly away from the feeding assembly, the feeding assembly is used to transport the pipe to the ring cutting assembly and the cutting assembly, the pipe is first ring cut by the ring cutting assembly, and then the pipe is cut by the cutting assembly, the ring cutting assembly of the present invention is used to ring cut the pipe to form an annular cut, the cutting assembly is used to cut the pipe radially at the annular cut, and when the ring cutting is not good, there will be no problems such as the cutting assembly not being clamped tightly, the feeding assembly slipping and not clamping tightly, and the copper pipe shrinking due to burrs. The requirements of the equipment on the cutter and its feed position are reduced, the personnel debugging cycle is reduced, and the wear of the cutter is reduced, so as to ensure the long-term stable production and production of the equipment, improve the stability of the equipment, and reduce the debugging time of the equipment.

[0016] The circular cutting assembly of the present invention can reduce the use requirements of the cutter and make the cutter last longer; reduce the requirements for the circular cutting position of the cutter and reduce the debugging time of the operator; reduce equipment wear and increase the service life of the equipment, improve the stability and qualification rate of the equipment, and reduce the generation of waste.

[0017] On the other hand, the bending and sleeve integrated machine provided by the present invention is manufactured based on the above-mentioned ring cutting and cutting device. Its beneficial effects can be found in the beneficial effects of the above-mentioned ring cutting and cutting device, which will not be elaborated here.

[0018] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying any creative work.

[0020] Figure 1 A schematic diagram of the structure of a ring cutting and truncation device provided in an embodiment of the present invention;

[0021] Figure 2 A schematic diagram of the structure of a cutting assembly of a ring cutting and cutting device provided in an embodiment of the present invention;

[0022] Figure 3 A schematic diagram of the exploded structure of a cutting assembly of a ring cutting and cutting device provided in an embodiment of the present invention;

[0023] Figure 4 A schematic diagram of the structure of a ring cutting assembly of a ring cutting and cutting device provided in an embodiment of the present invention;

[0024] Figure 5 A schematic structural diagram of a feed module of a circular cutting assembly of a circular cutting and truncation device provided in an embodiment of the present invention;

[0025] Figure 6 A schematic diagram of the exploded structure of the ring cutting assembly of the ring cutting and cutting device provided in an embodiment of the present invention.

[0026] Description of reference numerals:

[0027] 1. The first supporting module;

[0028] 2. A first driving module;

[0029] 31. first clamping portion; 311. connecting portion; 32. second clamping portion; 33. second driving module; 34. first fixing plate; 35. second fixing plate; 351. penetration groove;

[0030] 41. third clamping part; 42. fourth clamping part; 43. third driving module; 44. third fixing plate; 45. supporting plate;

[0031] 5. The second supporting module;

[0032] 6. Circular cutting assembly; 61. Cutting knife;

[0033] 7. The fourth driving module;

[0034] 8. Feed module; 81. Sleeve; 82. Slider; 821. Beveled surface; 83. Fifth drive module. DETAILED DESCRIPTION

[0035] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined invention purpose, the specific implementation methods, structures, features and effects of the present invention application are described in detail below in conjunction with the accompanying drawings and preferred embodiments. In the following description, different "one embodiment" or "embodiment" does not necessarily refer to the same embodiment. In addition, specific features, structures, or characteristics in one or more embodiments may be combined in any suitable form.

[0036] In the description of the present invention, it should be clarified that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, but are not necessarily used to describe a specific order or sequence; the terms "vertical", "lateral", "longitudinal", "front", "rear", "left", "right", "up", "down", "horizontal", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention, and do not mean that the referred device or element must have a specific direction or position, and therefore cannot be understood as a limitation on the present invention.

[0037] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] In recent years, with the continuous improvement of the degree of industrial automation, enterprises' demand for automation equipment is also increasing. In the processing of the two-device pipeline of the air conditioner, the use of a small U-bend sleeve integrated machine can realize the automated forming processing of the small elbow. The high-speed circumferential cutting and rigid breaking technology used for straight pipe cutting have many problems. When the circumferential cutting is not good, the breaking mold will need to use too much force to break the straight pipe, resulting in the breaking mold not being clamped tightly, the feeding mold slipping and not clamping tightly, and the copper tube shrinking due to burrs. The equipment will also have high requirements for the cutter 61 and its feed position, and personnel are required to debug. The debugging cycle is long. Since the breaking requires a deeper circumferential cutting, it is more likely to cause the cutter 61 to wear faster, resulting in the equipment being unable to produce stably for a long time and producing a lot of waste.

[0039] Example 1

[0040] like Figure 1-6 As shown, an embodiment of the present invention provides a ring cutting and cutting device for a bending and sleeve integrated machine, the bending and sleeve integrated machine includes a feeding assembly, the ring cutting and cutting device includes a ring cutting assembly and a cutting assembly, the ring cutting assembly is arranged on one side of the feeding assembly, and the cutting assembly is arranged on a side of the ring cutting assembly away from the feeding assembly, the feeding assembly is used to transport the pipe to the ring cutting assembly and the cutting assembly, the ring cutting assembly is used to ring cut the pipe to form an annular cut, and the cutting assembly is used to radially cut the pipe at the annular cut.

[0041] In this embodiment, the ring cutting and cutting device is used for the bending and sleeve integrated machine, the bending and sleeve integrated machine includes a feeding assembly, the ring cutting and cutting device includes a ring cutting assembly and a cutting assembly, the ring cutting assembly is arranged on one side of the feeding assembly, the cutting assembly is arranged on the side of the ring cutting assembly away from the feeding assembly, the feeding assembly is used to transport the pipe to the ring cutting assembly and the cutting assembly, the pipe is first ring cut by the ring cutting assembly, and then the pipe is cut by the cutting assembly, the ring cutting assembly of this embodiment is used to ring cut the pipe to form an annular cut, the cutting assembly is used to cut the pipe radially at the annular cut, and when the ring cutting is not good, there will be no problems such as the cutting assembly not being clamped tightly, the feeding assembly slipping and not clamping tightly, and the copper pipe shrinking due to burrs. The requirements of the equipment on the cutter 61 and its feed position are reduced, the personnel debugging cycle is reduced, and the wear of the cutter 61 is reduced, ensuring the long-term stable production and production of the equipment, improving the stability of the equipment, and reducing the debugging time of the equipment.

[0042] The circular cutting assembly of this embodiment can reduce the use requirements of the cutter 61, and can make the cutter 61 be used for a longer time; reduce the requirements for the circular cutting position of the cutter 61, and reduce the operator's debugging time; reduce equipment wear, increase equipment service life, improve equipment stability and qualification rate, and reduce waste generation.

[0043] In some embodiments, the cutting assembly includes a first supporting module 1, a first clamping module, a second clamping module and a first driving module 2. The first clamping module is movably arranged on the first supporting module 1 along the radial direction of the tube. The second clamping module is arranged on the first supporting module 1. The first clamping module and the second clamping module are both used to clamp the tube. The first driving module 2 is connected to the first clamping module and the second clamping module, and is used to displace the first clamping module and the second clamping module to radially cut the tube at the annular cut.

[0044] In this embodiment, the first driving module 2 is connected to the first clamping module and the second clamping module. When the first driving module 2 is in operation, the first clamping module and the second clamping module can be misaligned to radially cut the pipe at the annular cut. The first driving module 2 can be a driving device such as a cylinder or an electric cylinder. The first driving module 2 can be set on the first clamping module. The telescopic part of the first driving module 2 can be connected to the second clamping module through other connecting parts, and the telescopic direction of the telescopic part is parallel to the radial direction of the pipe.

[0045] In some embodiments, the first clamping module includes a first clamping portion 31 disposed on the first supporting module 1 and movable along the radial direction of the tube, a second clamping portion 32 disposed on the first clamping portion 31 and movable along the radial direction of the tube, and a second driving module 33, the first clamping portion 31 and the second clamping portion 32 are disposed side by side, and the second driving module 33 is connected to both the first clamping portion 31 and the second clamping portion 32 to drive the first clamping portion 31 and the second clamping portion 32 to move toward each other or away from each other.

[0046] In this embodiment, the first clamping part 31 and the second clamping part 32 are arranged side by side, and the second driving module 33 is connected to both the first clamping part 31 and the second clamping part 32. The first clamping part 31 and the second clamping part 32 can be driven to move closer to each other or away from each other through the second driving module 33, so as to clamp or loosen the pipe. Semicircular clamping grooves are provided on the side of the first clamping part 31 facing the second clamping part 32 and on the side of the second clamping part 32 facing the first clamping part 31, so as to facilitate clamping of the pipe. The second driving module 33 can be a driving device such as a cylinder or an electric cylinder.

[0047] In some embodiments, the first clamping module also includes a first fixing plate 34 and a second fixing plate 35 extending radially along the length direction of the tube, the first clamping portion 31 is arranged on the first fixing plate 34, the second driving module 33 is arranged on any one of the first fixing plate 34 and the second fixing plate 35, and the first telescopic portion of the second driving module 33 is connected to the other of the first fixing plate 34 and the second fixing plate 35, so that the first fixing plate 34 and the second fixing plate 35 can move relative to each other in the length direction.

[0048] In this embodiment, by setting the second driving module 33 on any one of the first fixed plate 34 and the second fixed plate 35, the first telescopic portion of the second driving module 33 is connected to the other of the first fixed plate 34 and the second fixed plate 35, and the second driving module 33 can make the first fixed plate 34 and the second fixed plate 35 move relative to each other in the length direction, thereby driving the first clamping portion 31 and the second clamping portion 32 to move closer to each other or away from each other.

[0049] The first telescopic portion of the second driving module 33 can be connected to the other of the first fixing plate 34 and the second fixing plate 35 through other connecting parts, and the telescopic direction of the first telescopic portion is parallel to the radial direction of the tube.

[0050] In some embodiments, the first fixing plate 34 is disposed on one side of the second fixing plate 35, the second clamping portion 32 is disposed on the side of the second fixing plate 35 away from the first fixing plate 34, the first clamping portion 31 is located on the side of the second fixing plate 35 away from the first fixing plate 34, the second fixing plate 35 is configured with a through groove 351 extending along the length direction, the first clamping portion 31 is configured with a connecting portion 311 extending into the through groove 351, and the connecting portion 311 is connected to the first fixing plate 34.

[0051] In some embodiments, the second clamping module includes a third clamping portion 41 disposed on the first supporting module 1, a fourth clamping portion 42 disposed on the third clamping portion 41 and movable along the radial direction of the tube, and a third driving module 43, wherein the fourth clamping portion 42 is disposed above the third clamping portion 41, and the third driving module 43 is connected to both the first supporting module 1 and the fourth clamping portion 42 to drive the third clamping portion 41 and the fourth clamping portion 42 to move toward each other or away from each other.

[0052] In this embodiment, the third driving module 43 is connected to the first supporting module 1 and the fourth clamping part 42. When the third driving module 43 is in operation, it can drive the third clamping part 41 and the fourth clamping part 42 to move towards each other or away from each other, so as to clamp or loosen the pipe. Semicircular clamping grooves are provided on the side of the third clamping part 41 facing the fourth clamping part 42 and on the side of the fourth clamping part 42 facing the third clamping part 41, so as to facilitate clamping of the pipe. The third driving module 43 can be a driving device such as a cylinder or an electric cylinder.

[0053] In some embodiments, the first clamping module can be movably arranged on the first supporting module 1 along the radial direction of the tube by cooperating with a slider and a slide rail. Specifically, a slide rail can be arranged on the first supporting module 1, and the slide rail extends along the radial direction of the tube. A slider is arranged on the second fixed plate 35. When the slider slides on the slide rail, the first clamping module can be movably arranged on the first supporting module 1 along the radial direction of the tube.

[0054] In some embodiments, the second clamping module includes a third fixed plate 44 and a support plate 45, the third fixed plate 44 is arranged on the first support module 1 and is located on the side of the first clamping module facing the ring cutting assembly, the support plate 45 is arranged on the third fixed plate 44, the third driving module 43 is arranged on any one of the third fixed plate 44 and the fourth clamping part 42, and the second telescopic part of the third driving module 43 is connected to the other of the third fixed plate 44 and the fourth clamping part 42, so that the fourth clamping part 42 is close to or away from the third fixed plate 44.

[0055] In this embodiment, by setting the third driving module 43 on any one of the third fixed plate 44 and the fourth clamping part 42, the second telescopic part of the third driving module 43 is connected to the other of the third fixed plate 44 and the fourth clamping part 42, when the third driving module 43 is running, the fourth clamping part 42 can be moved close to or away from the third fixed plate 44, so that the third clamping part 41 and the fourth clamping part 42 can be moved closer to or away from each other.

[0056] The second telescopic portion of the third driving module 43 can be connected to the other of the third fixing plate 44 and the fourth clamping portion 42 through its connecting piece, and the telescopic direction of the second telescopic portion is parallel to the radial direction of the tube.

[0057] In some embodiments, the circular cutting component includes a second supporting module 5, a circular cutting assembly 6 and a fourth driving module 7. The circular cutting assembly 6 and the fourth driving module 7 are both arranged on the second supporting module 5. The pipe is coaxially passed through the circular cutting assembly 6. The circular cutting assembly 6 includes an eccentrically arranged cutter 61. The fourth driving module 7 is connected to the circular cutting assembly 6 to drive the circular cutting assembly 6 to rotate.

[0058] In this embodiment, the cutter 61 is eccentrically arranged, and when the fourth driving module 7 drives the ring cutting assembly 6 to rotate, the cutter 61 rotates around the pipe, thereby ring cutting the pipe. The fourth driving module 7 may be a motor.

[0059] In some embodiments, the circular cutting assembly also includes a feed module 8 disposed on the second support module 5, the feed module 8 includes a sleeve 81 mounted on the circular cutting assembly 6, a slider 82 connected to the cutter 61 and capable of radially moving along the circular cutting assembly 6, and a fifth drive module 83 disposed on the second support module 5, the slider 82 is located on the radial outside of the circular cutting assembly 6 and has a beveled surface 821, the inner wall of the sleeve 81 is against the beveled surface 821, and the fifth drive module 83 is connected to the sleeve 81 for driving the sleeve 81 to move axially.

[0060] In this embodiment, the fifth drive module 83 is connected to the sleeve 81. When the fifth drive module 83 is in operation, the sleeve 81 can be driven to move axially. The sleeve 81 abuts against the beveled surface 821 of the slider 82, so that the slider 82 moves radially along the ring cutting assembly 6, driving the cutter 61 to move, thereby adjusting the feed amount. This structure can realize automatic feed. The fifth drive module 83 can be a drive device such as a cylinder or an electric cylinder. The telescopic direction of the telescopic part of the fifth drive module 83 is parallel to the axial direction of the ring cutting assembly 6.

[0061] Example 2

[0062] An embodiment of the present invention also provides a bending and sleeve integrated machine, which includes a feeding assembly and the ring cutting and cutting device of embodiment 1.

[0063] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working processes of the above-described equipment, devices and units can refer to the corresponding processes in the aforementioned method embodiments and will not be repeated here.

[0064] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed by the present invention, and these modifications or replacements should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention shall be based on the protection scope of the claims.

Claims

1. A ring cutting and cutting device, used for a bending and sleeve integrated machine, the bending and sleeve integrated machine includes a feeding assembly, characterized in that: The ring cutting and cutting device includes a ring cutting component and a cutting component. The ring cutting component is arranged on one side of the feeding component, and the cutting component is arranged on the side of the ring cutting component away from the feeding component. The feeding component is used to transport the pipe to the ring cutting component and the cutting component. The ring cutting component is used to ring cut the pipe to form an annular cut, and the cutting component is used to radially cut the pipe at the annular cut.

2. The ring cutting and cutting device according to claim 1, characterized in that: The cutting assembly includes a first supporting module, a first clamping module, a second clamping module and a first driving module. The first clamping module is movably arranged on the first supporting module along the radial direction of the tube. The second clamping module is arranged on the first supporting module. The first driving module is connected to both the first clamping module and the second clamping module to offset the first clamping module and the second clamping module to radially cut the tube at the annular cut.

3. The ring cutting and cutting device according to claim 2, characterized in that: The first clamping module includes a first clamping portion disposed on the first supporting module and movable along the radial direction of the tube, a second clamping portion disposed on the first clamping portion and movable along the radial direction of the tube, and a second driving module. The first clamping portion and the second clamping portion are disposed side by side, and the second driving module is connected to both the first clamping portion and the second clamping portion to drive the first clamping portion and the second clamping portion to move toward each other or away from each other.

4. The ring cutting and cutting device according to claim 3, characterized in that: The first clamping module also includes a first fixing plate and a second fixing plate extending radially along the length direction of the tube, the first clamping portion is arranged on the first fixing plate, the second driving module is arranged on any one of the first fixing plate and the second fixing plate, and the first telescopic portion of the second driving module is connected to the other of the first fixing plate and the second fixing plate so that the first fixing plate and the second fixing plate can move relative to each other in the length direction.

5. The ring cutting and cutting device according to claim 4, characterized in that: The first fixing plate is arranged on one side of the second fixing plate, the second clamping portion is arranged on a side of the second fixing plate away from the first fixing plate, the first clamping portion is located on a side of the second fixing plate away from the first fixing plate, the second fixing plate is provided with a through groove extending along the length direction, the first clamping portion is provided with a connecting portion extending into the through groove, and the connecting portion is connected to the first fixing plate.

6. The ring cutting and cutting device according to claim 3, characterized in that: The second clamping module includes a third clamping portion arranged on the first supporting module, a fourth clamping portion arranged on the third clamping portion and movable along the radial direction of the tube, and a third driving module, the fourth clamping portion is arranged above the third clamping portion, and the third driving module is connected to the first supporting module and the fourth clamping portion to drive the third clamping portion and the fourth clamping portion to move closer to each other or away from each other.

7. The ring cutting and cutting device according to claim 6, characterized in that: The second clamping module includes a third fixed plate and a support plate, the third fixed plate is arranged on the first support module and is located on the side of the first clamping module facing the ring cutting assembly, the support plate is arranged on the third fixed plate, the third driving module is arranged on any one of the third fixed plate and the fourth clamping part, and the second telescopic part of the third driving module is connected to the other of the third fixed plate and the fourth clamping part so that the fourth clamping part is close to or away from the third fixed plate.

8. The ring cutting and cutting device according to claim 2, characterized in that: The circular cutting component includes a second supporting module, a circular cutting assembly and a fourth driving module. The circular cutting assembly is rotatably arranged on the second supporting module. The fourth driving module is arranged on the second supporting module. The pipe is coaxially passed through the circular cutting assembly. The circular cutting assembly includes an eccentrically arranged cutting knife. The fourth driving module is connected to the circular cutting assembly to drive the circular cutting assembly to rotate.

9. The ring cutting and cutting device according to claim 8, characterized in that: The circular cutting assembly also includes a feed module arranged on the second supporting module, the feed module includes a sleeve mounted on the circular cutting assembly, a slider connected to the cutter and capable of moving radially along the circular cutting assembly, and a fifth driving module arranged on the second supporting module, the slider is located on the radial outside of the circular cutting assembly and has a beveled surface, the inner wall of the sleeve is against the beveled surface, and the fifth driving module is connected to the sleeve for driving the sleeve to move axially.

10. A bending and sleeve integrated machine, characterized in that: The bending and sleeve integrated machine includes a feeding assembly and the ring cutting and truncation device according to any one of claims 1-9.

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