Bent pipe cutting and fixing device

Abstract

The utility model is applicable to the field of fixing devices, and discloses an elbow cutting fixing device which comprises a base, a first positioning block, a second positioning block and a first pressing assembly, the first positioning block and the second positioning block are arranged on the base in an L shape, the first positioning block is provided with a first U-shaped groove, and the second positioning block is provided with a second U-shaped groove. The first pressing assembly is arranged in the extending direction of the first positioning block or the extending direction of the second positioning block and used for being matched with the first positioning block to press or loosen the end, close to the first pressing assembly, of the bent pipe to be cut. The elbow pipe cutting fixing device can firmly press the elbow pipe to be cut, ensures that the elbow pipe to be cut is kept stable in the machining process, and avoids moving or rotating.

Description

Technical Field

[0001] The utility model relates to the field of fixing devices, in particular to a bend pipe cutting and fixing device. Background Art

[0002] Pipes are hollow conduits used to transport fluids or other substances. They can be made from a variety of materials, including metals, plastics, and composite materials. They can be categorized as either straight or curved. In production and everyday life, various pipes are often required, and sometimes even curved ones are even more so. With the advancement of society and economic development, fluid piping is widely used in various fields and has become one of the most widely used basic components. Consequently, the use of curved pipes is increasing. During the manufacturing process of curved pipes, cutting is essential, and this requires the use of pipe cutting equipment.

[0003] At present, when cutting bent pipes, they are easily affected by external forces and vibrations, making the pipes unstable and causing shaking, which is not conducive to cutting the pipes. In severe cases, they may also cause deviations, resulting in inaccurate cutting, increasing the scrap rate during cutting and causing economic losses. Therefore, it is necessary to fix the bent pipes through fixing devices. However, the existing fixing devices do not have sufficient clamping force, which can easily cause the bent pipes to move or rotate during processing. Utility Model Content

[0004] The purpose of the utility model is to provide a device for cutting and fixing a bent pipe, which aims to solve the technical problem that the existing fixing device has insufficient pressing force, which easily causes the bent pipe to move or rotate during the processing.

[0005] In order to achieve the above purpose, the solution provided by the utility model is:

[0006] A device for cutting and fixing a curved pipe includes a base, a first positioning block, a second positioning block and a first pressing assembly. The first positioning block and the second positioning block are arranged in an L shape on the base. The first positioning block is provided with a first U-shaped groove, and the second positioning block is provided with a second U-shaped groove. The first pressing assembly is arranged in the extension direction of the first positioning block or the extension direction of the second positioning block. The first pressing assembly is used to cooperate with the first positioning block to tighten or loosen one end of the curved pipe to be cut close to the first pressing assembly, or to cooperate with the second positioning block to tighten or loosen one end of the curved pipe to be cut close to the first pressing assembly.

[0007] Preferably, the first pressing assembly includes a mounting seat, a pressing piece, a connecting rod and a pressing piece, the mounting seat is installed on the base, the mounting seat is provided with a V-shaped groove, the pressing piece is slidably installed on the mounting seat, the pressing piece is provided with a sliding portion that slides with the V-shaped groove, the end of the connecting rod close to the pressing piece is respectively connected to the left area of ​​the V-shaped groove and the pressing piece axis, the pressing piece is connected to the end of the connecting rod away from the pressing piece, and the pressing piece is used to cooperate with the first positioning block to tighten or loosen the bent pipe to be cut.

[0008] Preferably, the mounting seat includes a first L-shaped plate and a second L-shaped plate, the first L-shaped plate and the second L-shaped plate are arranged back to back and are respectively mounted on the base, the first L-shaped plate and the second L-shaped plate are respectively provided with the V-shaped groove, the pressing member includes a pressing portion, a first connecting foot and a second connecting foot, the first connecting foot and the second connecting foot are arranged at intervals and are respectively connected to the pressing portion, the first connecting foot and the second connecting foot are respectively provided with the sliding portion, the connecting rod includes a main connecting portion and a triangular connecting portion connected to the main connecting portion, the main connecting portion is connected to the clamping member, the upper part of one end of the triangular connecting portion away from the main connecting portion is arranged between the first connecting foot and the second connecting foot, and is respectively axially connected to the first connecting foot and the second connecting foot, the lower part of one end of the triangular connecting portion away from the main connecting portion is arranged between the first L-shaped plate and the second L-shaped plate, and is respectively axially connected to the first L-shaped plate and the second L-shaped plate.

[0009] Preferably, the first pressing assembly further includes a fixing seat, the fixing seat is arranged on the base, and the first L-shaped plate and the second L-shaped plate are respectively installed on the fixing seat.

[0010] Preferably, the first pressing assembly also includes a first nut and a second nut, a through hole is provided on the end of the connecting rod away from the pressing member, the clamping member includes a cylindrical portion and a threaded portion connected to the cylindrical portion, the cylindrical portion passes through the through hole and is fixed to the connecting rod by the first nut and the second nut.

[0011] Preferably, the first pressing assembly further includes a first washer and a second washer, the first washer is arranged between the first nut and the connecting rod, and the second washer is arranged between the second nut and the connecting rod.

[0012] Preferably, it also includes a second pressing assembly, the first pressing assembly is arranged in the extension direction of the first positioning block, and the first pressing assembly cooperates with the first positioning block to tighten or loosen one end of the bent pipe to be cut close to the first pressing assembly, the second pressing assembly is arranged in the extension direction of the second positioning block, and the second pressing assembly cooperates with the second positioning block to tighten or loosen one end of the bent pipe to be cut close to the second pressing assembly, and the structure of the second pressing assembly is the same as that of the first pressing assembly.

[0013] Preferably, it further includes a first cushion block provided between the first positioning block and the second positioning block.

[0014] Preferably, it further includes a second cushion block provided between the first cushion block and the second positioning block.

[0015] Preferably, a collecting trough is provided on the base, and the collecting trough is located between the first positioning block and the second positioning block.

[0016] The bent pipe cutting and fixing device provided by the utility model includes a base, a first positioning block, a second positioning block and a first pressing assembly. The first positioning block and the second positioning block are arranged in an L shape on the base. Through the pressing control of the first pressing assembly and the cooperation of the first pressing assembly with the first positioning block or the second positioning block, the bent pipe to be cut can be firmly pressed to ensure that the bent pipe to be cut remains stable during the processing process and avoids movement or rotation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0018] Figure 1 It is a structural schematic diagram of the bent pipe cutting and fixing device provided in an embodiment of the utility model.

[0019] Description of Figure Numbers:

[0020] 10. Base; 11. Collecting trough; 20. First positioning block; 21. First U-shaped groove; 30. Second positioning block; 31. Second U-shaped groove; 40. First pressing assembly; 41. Mounting seat; 411. First L-shaped plate; 412. Second L-shaped plate; 413. V-shaped groove; 42. Pressing piece; 421. Pressing portion; 422. First connecting foot; 423. Second connecting foot; 424. Sliding portion; 43. Connecting rod; 431. Main connecting portion; 4311. Through hole; 432. Triangular connecting portion; 44. Pressing piece; 441. Columnar portion; 442. Threaded portion; 45. Fixing seat; 46. First nut; 47. Second nut; 48. First gasket; 49. Second gasket; 50. Second pressing assembly; 60. First pad; 70. Second pad. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0022] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0023] It should also be noted that when an element is referred to as being "fixed on" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be an intermediate element.

[0024] In addition, the descriptions of "first," "second," etc. in this utility model are for descriptive purposes only and should not be understood as indicating or implying their relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between the various embodiments can be combined with each other, but this must be based on the fact that they can be implemented by ordinary technicians in this field. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this utility model.

[0025] like Figure 1As shown, it is a device for cutting and fixing a bent pipe according to an embodiment of the present invention.

[0026] See also Figure 1 As shown, the elbow cutting and fixing device of an embodiment of the utility model includes a base 10, a first positioning block 20, a second positioning block 30 and a first pressing assembly 40. The first positioning block 20 and the second positioning block 30 are arranged in an L shape on the base 10. The first positioning block 20 is provided with a first U-shaped groove 21, and the second positioning block 30 is provided with a second U-shaped groove 31. The first pressing assembly 40 is arranged in the extension direction of the first positioning block 20 or the extension direction of the second positioning. The first pressing assembly 40 is used to cooperate with the first positioning block 20 to tighten or loosen one end of the elbow to be cut close to the first pressing assembly 40, or to cooperate with the second positioning block 30 to tighten or loosen one end of the elbow to be cut close to the first pressing assembly 40.

[0027] It can be understood that the elbow is generally set at 90 degrees, so the first positioning block 20 and the second positioning block 30 are set on the base 10 in an L shape.

[0028] In this embodiment, the first pressing component 40 is arranged in the extension direction of the first positioning block 20. The first pressing component 40 cooperates with the first positioning block 20 to tighten or loosen the end of the bend to be cut close to the first pressing component 40. When performing the bend cutting operation, the bend to be cut is placed on the first U-shaped groove 21 and the second U-shaped groove 31, and the non-cutting end of the bend to be cut is close to the first pressing component 40, and the end to be cut extends out of the second U-shaped groove 31, and then the bend to be cut is tightened by the first pressing component 40. Finally, the cutting end of the bend to be cut is cut.

[0029] In other embodiments, when the first pressing component 40 is arranged in the extension direction of the second positioning block 30, the first pressing component 40 cooperates with the second positioning block 30 to tighten or loosen the end of the bend to be cut close to the first pressing component 40. When performing the bend cutting operation, the bend to be cut is placed on the first U-shaped groove 21 and the second U-shaped groove 31, and the non-cutting end of the bend to be cut is close to the first pressing component 40, and the end to be cut extends out of the first U-shaped groove 21, and then the bend to be cut is tightened by the first pressing component 40. Finally, the cutting end of the bend to be cut is cut.

[0030] In this embodiment, when the first pressing assembly 40 compresses the bend to be cut, the pressing component of the first pressing assembly 40 is located above the first U-shaped groove 21. That is, the first pressing assembly 40 and the first positioning block 20 cooperate to compress the bend to be cut vertically. Of course, in other embodiments, the first pressing assembly 40 and the first positioning block 20 can cooperate to compress the bend to be cut left and right or front and back, depending on actual needs.

[0031] In this embodiment, the first positioning block 20 is welded to the base 10, and the second positioning block 30 is welded to the base 10. Welding can tightly fix the first positioning block 20 and the second positioning block 30 to the base 10, effectively preventing the first positioning block 20 and the second positioning block 30 from falling off or shifting during use, thereby ensuring the accuracy and stability of positioning.

[0032] The bent pipe cutting and fixing device of an embodiment of the present invention includes a base 10, a first positioning block 20, a second positioning block 30 and a first pressing component 40. The first positioning block 20 and the second positioning block 30 are arranged in an L shape on the base 10. Through the pressing control of the first pressing component 40 and the cooperation between the first pressing component 40 and the first positioning block 20 or the second positioning block 30, the bent pipe to be cut can be firmly pressed to ensure that the bent pipe to be cut remains stable during the processing and avoids movement or rotation.

[0033] See also Figure 1 As shown, exemplarily, in some embodiments, the first pressing assembly 40 includes a mounting seat 41, a pressing member 42, a connecting rod 43, and a clamping member 44. The mounting seat 41 is mounted on the base 10, and the mounting seat 41 is provided with a V-shaped groove 413. The pressing member 42 is slidably mounted on the mounting seat 41. The pressing member 42 is provided with a sliding portion 424 that slides with the V-shaped groove 413. The end of the connecting rod 43 close to the pressing member 42 is respectively connected to the left area of ​​the V-shaped groove 413 and the pressing member 42 axis. The clamping member 44 is connected to the end of the connecting rod 43 away from the pressing member 42. The clamping member 44 is used to cooperate with the first positioning block 20 to clamp or loosen the bent pipe to be cut.

[0034] When the pressing piece 44 is in the non-pressing state, the pressing piece 44 is lifted and locked at a high position. The end of the pressing piece 42 connected to the connecting rod 43 is located at the bottom of the V-shaped groove 413, and the sliding part 424 is located in the right area of ​​the V-shaped groove 413. When it is necessary to press the bent pipe to be cut, the pressing piece 42 is pressed downward away from one end of the pressing piece 44 to release the pressing piece 44. The pressing piece 44 moves toward the direction of the first positioning block 20 and is pressed on the bent pipe to be cut. The sliding part 424 slides from the right area of ​​the V-shaped groove 413 to the bottom of the V-shaped groove 413, and the end of the pressing piece 42 connected to the connecting rod 43 slides from the bottom of the V-shaped groove 413 to the left area of ​​the V-shaped groove 413. When it is necessary to loosen the cut bend pipe, lift the pressing piece 42 upward away from one end of the clamping piece 44, and the sliding part 424 slides from the bottom of the V-shaped groove 413 to the right area of ​​the V-shaped groove 413. The end of the pressing piece 42 connected to the connecting rod 43 slides from the left area of ​​the V-shaped groove 413 to the bottom of the V-shaped groove 413. The pressing piece 42 drives the clamping piece 44 to be retracted through the connecting rod 43, and the part where the clamping piece 44 is connected to the connecting rod 43 is located at the bottom of the V-shaped groove 413.

[0035] The first pressing assembly 40 of this embodiment can achieve rapid tightening or loosening of the bent pipe by the pressing member 44 by simply pressing downward or upward. The operation process is intuitive and rapid. Moreover, the design of the V-shaped groove 413 increases the strength and stability of the structure, and also provides precise guidance for the sliding part 424.

[0036] In this embodiment, for example, the mounting seat 41 includes a first L-shaped plate 411 and a second L-shaped plate 412, the first L-shaped plate 411 and the second L-shaped plate 412 are arranged back to back and are respectively installed on the base 10, the first L-shaped plate 411 and the second L-shaped plate 412 are respectively provided with the V-shaped groove 413, the pressing member 42 includes a pressing portion 421, a first connecting foot 422 and a second connecting foot 423, the first connecting foot 422 and the second connecting foot 423 are arranged at intervals and are respectively connected to the pressing portion 421, the first connecting foot 422 and the second connecting foot 423 are respectively provided with the sliding portion 424, the connecting rod 43 includes a main connecting portion 431 and a triangular connecting portion 432 connected to the main connecting portion 431, the main connecting portion 431 is connected to the pressing member 44, the triangular connecting portion The upper part of one end of 432 away from the main connection part 431 is arranged between the first connection foot 422 and the second connection foot 423, and is respectively axially connected to the first connection foot 422 and the second connection foot 423. The lower part of one end of the triangular connection part 432 away from the main connection part 431 is arranged between the first L-shaped plate 411 and the second L-shaped plate 412, and is respectively axially connected to the first L-shaped plate 411 and the second L-shaped plate 412. The design of the pressing member 42 allows the staff to easily apply force through the pressing part 421, and through the transmission of the first connection foot 422 and the second connection foot 423, drive the connecting rod 43 and the clamping member 44 to perform corresponding actions. The axial connection design between the connecting rod 43, the pressing member 42 and the mounting seat 41 makes the entire operation process smoother, reduces resistance and improves operating efficiency.

[0037] Optionally, a protective cover (not shown) is provided on the pressing portion 421. The provision of the protective cover can enhance the comfort of holding, reduce the pressure on the palms and fingers, and reduce fatigue. Moreover, the protective cover has anti-slip properties, which can ensure that the user can firmly hold the pressing portion 421 even in wet or sweaty conditions, helping to prevent misoperation or safety hazards caused by sliding during operation.

[0038] In this embodiment, exemplarily, the first pressing assembly 40 also includes a first nut 46 and a second nut 47, a through hole 4311 is provided on the end of the connecting rod 43 away from the pressing member 42, the clamping member 44 includes a cylindrical portion 441 and a threaded portion 442 connected to the cylindrical portion 441, the cylindrical portion 441 passes through the through hole 4311, and is fixed to the connecting rod 43 by the first nut 46 and the second nut 47. With this design, the distance between the clamping member 44 and the first positioning block 20 can be adjusted according to the size of the bent pipe to be cut, thereby increasing the applicability of the bent pipe cutting and fixing device.

[0039] It can be understood that the columnar portion 441 can be configured to be cylindrical or truncated cone-shaped.

[0040] Furthermore, the first pressing assembly 40 also includes a first gasket 48 and a second gasket 49. The first gasket 48 is arranged between the first nut 46 and the connecting rod 43, and the second gasket 49 is arranged between the second nut 47 and the connecting rod 43. By arranging the first gasket 48 and the second gasket 49, the contact area between the clamping member 44 and the connecting rod 43 can be increased.

[0041] In this embodiment, exemplarily, the first pressing assembly 40 also includes a fixing seat 45, which is arranged on the base 10, and the first L-shaped plate 411 and the second L-shaped plate 412 are respectively installed on the fixing seat 45. By setting the fixing seat 45, on the one hand, it is convenient to install the first L-shaped plate 411 and the second L-shaped plate 412, and on the other hand, the overall height of the first pressing assembly 40 can be raised, thereby making the operation of the pressing member 42 more convenient.

[0042] Specifically, the pressing and fixing seat 45 is welded to the base 10 .

[0043] See also Figure 1 As shown, for example, in some embodiments, the bend pipe cutting and fixing device also includes a second pressing assembly 50, the first pressing assembly 40 is arranged in the extension direction of the first positioning block 20, and the first pressing assembly 40 cooperates with the first positioning block 20 to tighten or loosen the end of the bend pipe to be cut close to the first pressing assembly 40, the second pressing assembly 50 is arranged in the extension direction of the second positioning block 30, and the second pressing assembly 50 cooperates with the second positioning block 30 to tighten or loosen the end of the bend pipe to be cut close to the second pressing assembly 50, the structure of the second pressing assembly 50 is the same as that of the first pressing assembly 40, and will not be repeated again.

[0044] When it is necessary to cut the two ends of the bend to be cut separately, there is no need to change the position of the bend to be cut. When cutting the end of the bend to be cut close to the second pressing component 50, the first pressing component 40 is used to press the bend to be cut. When cutting the end of the bend to be cut close to the first pressing component 40, the second pressing component 50 is used to press the bend to be cut, allowing the staff to cut from both ends of the bend to be cut without changing the position of the bend to be cut. This greatly reduces the time and energy required to reposition and fix the bend to be cut, and significantly improves the cutting efficiency. In addition, the setting of the first pressing component 40 and the second pressing component 50 allows the bend to be cut to be placed without distinguishing between the cut end and the split cut of the bend, even if only one end of the bend to be cut needs to be cut, thereby improving convenience.

[0045] In other embodiments, the structure of the second pressing assembly 50 may be different from the structure of the first pressing assembly 40 .

[0046] See also Figure 1 As shown, exemplarily, in some embodiments, the elbow cutting and fixing device also includes a first cushion block 60 arranged between the first positioning block 20 and the second positioning block 30. By arranging the first cushion block 60 to support the middle part of the elbow to be cut, the contact area with the elbow to be cut is increased. Due to the increase in the contact area, the pressure per unit area is correspondingly reduced, thereby effectively preventing the elbow from being deformed or damaged due to excessive pressure during the cutting process.

[0047] Furthermore, the bend pipe cutting and fixing device also includes a second pad 70 arranged between the first pad 60 and the second positioning block 30. By setting the second pad 70, the contact area with the bend pipe to be cut is further increased, and the stability of the bend pipe to be cut during the cutting operation is further enhanced.

[0048] See also Figure 1 As shown, exemplarily, in some embodiments, a collection trough 11 is provided on the base 10, and the collection trough 11 is located between the first positioning block 20 and the second positioning block 30. By providing the collection trough 11 to collect chips dropped when cutting the bend to be cut, there is no need for frequent interruptions to clean the chips, thereby improving work efficiency. Moreover, the collection trough 11 concentrates the cutting chips, which is convenient for subsequent unified processing, such as recycling, classification or disposal.

[0049] The above description is only a preferred embodiment of the present invention and does not limit the patent scope of the present invention. All equivalent structural transformations made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or direct / indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A device for cutting and fixing a bent pipe, characterized in that: It includes a base, a first positioning block, a second positioning block and a first pressing assembly, the first positioning block and the second positioning block are arranged in an L shape on the base, the first positioning block is provided with a first U-shaped groove, the second positioning block is provided with a second U-shaped groove, the first pressing assembly is arranged in the extension direction of the first positioning block or the extension direction of the second positioning block, the first pressing assembly is used to cooperate with the first positioning block to tighten or loosen one end of the bent pipe to be cut close to the first pressing assembly, or to cooperate with the second positioning block to tighten or loosen one end of the bent pipe to be cut close to the first pressing assembly.

2. The bend pipe cutting and fixing device according to claim 1, characterized in that: The first pressing assembly includes a mounting seat, a pressing piece, a connecting rod and a pressing piece. The mounting seat is installed on the base, the mounting seat is provided with a V-shaped groove, the pressing piece is slidably installed on the mounting seat, and the pressing piece is provided with a sliding portion that slides with the V-shaped groove. The end of the connecting rod close to the pressing piece is respectively connected to the left area of ​​the V-shaped groove and the pressing piece axis, and the pressing piece is connected to the end of the connecting rod away from the pressing piece. The pressing piece is used to cooperate with the first positioning block to compress or loosen the bent pipe to be cut.

3. The bend pipe cutting and fixing device according to claim 2, characterized in that: The mounting seat includes a first L-shaped plate and a second L-shaped plate, the first L-shaped plate and the second L-shaped plate are arranged back to back and are respectively mounted on the base, the first L-shaped plate and the second L-shaped plate are respectively provided with the V-shaped groove, the pressing member includes a pressing portion, a first connecting foot and a second connecting foot, the first connecting foot and the second connecting foot are arranged at intervals and are respectively connected to the pressing portion, the first connecting foot and the second connecting foot are respectively provided with the sliding portion, the connecting rod includes a main connecting portion and a triangular connecting portion connected to the main connecting portion, the main connecting portion is connected to the clamping member, the upper part of one end of the triangular connecting portion away from the main connecting portion is arranged between the first connecting foot and the second connecting foot, and is respectively axially connected to the first connecting foot and the second connecting foot, the lower part of one end of the triangular connecting portion away from the main connecting portion is arranged between the first L-shaped plate and the second L-shaped plate, and is respectively axially connected to the first L-shaped plate and the second L-shaped plate.

4. The bend pipe cutting and fixing device according to claim 3, characterized in that: The first pressing assembly further includes a fixing seat, which is disposed on the base, and the first L-shaped plate and the second L-shaped plate are respectively mounted on the fixing seat.

5. The bend pipe cutting and fixing device according to claim 2, characterized in that: The first pressing assembly also includes a first nut and a second nut. A through hole is provided on the end of the connecting rod away from the pressing member. The clamping member includes a cylindrical portion and a threaded portion connected to the cylindrical portion. The cylindrical portion passes through the through hole and is fixed to the connecting rod by the first nut and the second nut.

6. The bend pipe cutting and fixing device according to claim 5, characterized in that: The first pressing assembly further includes a first washer and a second washer, wherein the first washer is disposed between the first nut and the connecting rod, and the second washer is disposed between the second nut and the connecting rod.

7. The bend pipe cutting and fixing device according to claim 1, characterized in that: It also includes a second pressing assembly, the first pressing assembly is arranged in the extension direction of the first positioning block, and the first pressing assembly cooperates with the first positioning block to tighten or loosen one end of the bent pipe to be cut close to the first pressing assembly, the second pressing assembly is arranged in the extension direction of the second positioning block, and the second pressing assembly cooperates with the second positioning block to tighten or loosen one end of the bent pipe to be cut close to the second pressing assembly, and the structure of the second pressing assembly is the same as that of the first pressing assembly.

8. The bend pipe cutting and fixing device according to claim 1, characterized in that: It also includes a first cushion block arranged between the first positioning block and the second positioning block.

9. The bend pipe cutting and fixing device according to claim 8, characterized in that: It also includes a second cushion block arranged between the first cushion block and the second positioning block.

10. The bend pipe cutting and fixing device according to claim 1, characterized in that: The base is provided with a collecting groove, and the collecting groove is located between the first positioning block and the second positioning block.

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