Pipe anti-deformation cutting device

Abstract

The utility model relates to pipe fitting processing technical field especially relates to a pipe fitting anti -deformation cutting device, include: cutting mechanism, two outer support mechanism and inner support mechanism, cutting mechanism is used for the cutting processing of pipe fitting, two outer support mechanism all are located below cutting mechanism, and two outer support mechanism respectively from the both sides of pipe fitting cutting place to the outer wall of pipe fitting supports, and inner support mechanism is located in the inside of outer support mechanism, and inner support mechanism includes: two inner support parts, two inner support parts are connected through connecting rod, and two inner support parts respectively from the both sides of pipe fitting cutting place to the inner wall of pipe fitting supports. The utility model discloses through outer support mechanism and inner support mechanism to the outer wall and inner wall of the pipe fitting to be cut simultaneously support, and this mode can avoid the deformation damage of pipe fitting cutting due to the lack of support, to improve the cutting effect of pipe fitting.

Description

Technical Field

[0001] This utility model relates to the field of pipe processing technology, and in particular to a pipe anti-deformation cutting device. Background Technology

[0002] Pipe fittings are a collective term for various components in a piping system used for connecting, controlling, changing direction, diverting flow, sealing, and supporting pipelines. They are widely used in water supply and drainage, petrochemicals, heating, fire protection, and industrial manufacturing. To meet different usage requirements, pipe fittings need to be cut. However, during the cutting process, deformation can occur due to insufficient external support. Therefore, we urgently need a pipe fitting anti-deformation cutting device.

[0003] Currently, when cutting pipe fittings, the pipe fittings are only supported from the outside. However, since the pipe cutting operation is performed from the outside in (i.e., cutting force is applied from the outside in), supporting the pipe fittings only from the outside can easily cause the pipe fittings to deform inward and be damaged, resulting in poor cutting effect. Utility Model Content

[0004] In response to the shortcomings of the existing production technology, the applicant provides a pipe fitting anti-deformation cutting device. By improving the structure of the cutting device, deformation and damage caused by insufficient support during pipe cutting can be avoided, thereby improving the cutting effect of the pipe fitting.

[0005] The technical solution adopted in this utility model is as follows:

[0006] A pipe fitting anti-deformation cutting device includes: a cutting mechanism, two outer support mechanisms, and an inner support mechanism. The cutting mechanism is used for cutting the pipe fitting. The two outer support mechanisms are located below the cutting mechanism and support the outer wall of the pipe fitting from both sides of the cut. The inner support mechanism is located inside the outer support mechanisms and includes: two inner support parts connected by a connecting rod, which support the inner wall of the pipe fitting from both sides of the cut. The distance between the two outer support mechanisms is d1, and the distance between the two inner support parts is d2, where d1 > d2.

[0007] Therefore, by simultaneously supporting the outer and inner walls of the pipe fitting to be cut through both external and internal support mechanisms, compared to the existing support method that only supports the outer wall, this method has a simpler structure, is easier to operate, and can avoid deformation and damage caused by insufficient support during pipe cutting, thereby improving the cutting effect. In addition, the two external support mechanisms and the two internal support parts support the pipe fitting from both sides of the cutting point, ensuring that both the outer and inner walls on both sides of the cutting point are supported, further improving the support effect and thus improving the cutting effect. At the same time, through the design of d1>d2, there is enough space between the two external support mechanisms to avoid the cutting mechanism, so that the support of the pipe fitting will not affect the normal cutting operation.

[0008] As a further improvement to the above technical solution: the inner support portion includes a fixing ring, a first driving member, an inner support block, and a first rubber pad. The first driving member is mounted on the outer wall of the fixing ring, the inner support block is mounted on the telescopic end of the first driving member, and the first rubber pad is mounted on the side of the inner support block away from the first driving member. Thus, the first driving member can drive the inner support block to move along the radial direction of the pipe fitting, thereby supporting the inner wall of pipe fittings of different diameters; the first rubber pad can adapt to pipe fittings of different diameters, thereby improving the supporting effect of the inner support block on the pipe fitting.

[0009] As a further improvement to the above technical solution: the fixing rings of the two inner support parts are connected by the connecting rod. Thus, the connecting rod enables the synchronous movement of the two inner support parts, allowing them to quickly reach both sides of the area to be cut in the pipe fitting.

[0010] As a further improvement to the above technical solution: multiple first driving components are provided, and these multiple first driving components are distributed in a ring shape with equal spacing; the number of inner support blocks and the number of first rubber pads are equal to the number of first driving components. Therefore, multiple inner support blocks can support multiple areas of the inner wall of the pipe fitting, thereby improving the support effect of the inner wall of the pipe fitting.

[0011] As a further improvement to the above technical solution: the inner support mechanism further includes a driving mechanism, which comprises a second driving member and a third driving member. The driving end of the second driving member is connected to the third driving member via a connecting block, and the driving end of the third driving member is connected to the fixing ring. The second driving member drives the inner support part to move along the radial direction of the pipe, and the third driving member drives the inner support part to move along the axial direction of the pipe. Thus, through the cooperation of the second and third driving members, it can be ensured that the center point of the inner support part is on the axis of the pipe, so that the supporting force of each inner support block on the inner wall of the pipe remains consistent, thereby further improving the supporting effect of the inner wall of the pipe.

[0012] As a further improvement to the above technical solution: the outer support mechanism includes a first outer support block, a second outer support block, and multiple locking components. The first outer support block is located below the inner support mechanism, the second outer support block is located above the inner support mechanism, and the multiple locking components are respectively located on both sides of the first outer support block. The first outer support block and the second outer support block are connected by the locking components. Thus, the locking force provided by the locking components can lock the first outer support block and the second outer support block, and with the cooperation of the two inner support parts, support the pipe to be cut from both the inner and outer sides. On the one hand, this improves the support force of the pipe; on the other hand, it ensures that the pipe remains stable at all times.

[0013] As a further improvement to the above technical solution, a second rubber pad is provided on the inner wall of both the first outer support block and the second outer support block. This second rubber pad allows the first and second outer support blocks to fit more tightly against the outer wall of the pipe, thus improving the support effect on the outer wall of the pipe.

[0014] As a further improvement to the above technical solution: the cutting mechanism includes a fourth driving member and a cutting blade, the driving end of the fourth driving member is connected to the cutting blade, and the fourth driving member is used to drive the cutting blade to rotate in order to cut the pipe.

[0015] As a further improvement to the above technical solution: the cutting mechanism further includes a fifth driving member and a support plate. The fifth driving member is connected to the support plate, and the driving end of the fifth driving member is connected to the fourth driving member through a fixing block. The fifth driving member is used to drive the fourth driving member to move up and down so that the fourth driving member contacts the pipe to be cut. Therefore, when cutting the pipe, the fifth driving member drives the cutting blade downward to contact the pipe to be cut, and the fourth driving member drives the cutting blade to rotate. The rotating cutting blade cuts the pipe. When installing or removing the pipe, the fifth driving member drives the cutting blade upward to move it away from the cut pipe, ensuring sufficient space between the cutting blade and the pipe for removing the cut pipe.

[0016] As a further improvement to the above technical solution, it also includes: a base, wherein the cutting mechanism, the outer support mechanism, and the inner support mechanism are all connected to the base; one of the outer support mechanisms is slidably connected to the base, and the other outer support mechanism is fixedly connected to the base. Therefore, after the pipe is cut, because one outer support mechanism is slidably connected to the base, this outer support mechanism can move the remaining pipe away from the cut pipe. This leaves sufficient space between the two outer cutting mechanisms for removing the cut pipe, eliminating the need to pass the cut pipe through two outer cutting mechanisms before removal, thus improving the pipe cutting efficiency.

[0017] The beneficial effects of this utility model are as follows:

[0018] By simultaneously supporting both the outer and inner walls of the pipe fitting to be cut using both external and internal support mechanisms, this method offers a simpler structure and easier operation compared to existing support methods that only support the outer wall. It avoids deformation and damage caused by insufficient support during pipe cutting, thus improving the cutting effect. Furthermore, the two external support mechanisms and two internal support components support the pipe fitting from both sides of the cutting point, ensuring that both the outer and inner walls on both sides are supported, further enhancing the support effect and thus improving the cutting performance. Additionally, the design with d1 > d2 ensures sufficient space between the two external support mechanisms to avoid interference with the cutting operation, ensuring that the support does not affect the normal cutting process.

[0019] This utility model also has the following advantages:

[0020] 1. The first driving component of this utility model can drive the inner support block to move along the radial direction of the pipe fitting to support the inner wall of pipe fittings with different diameters; the first rubber pad can adapt to pipe fittings with different diameters to improve the support effect of the inner support block on the pipe fitting; the connecting rod can realize the synchronous movement of the two inner support parts so that the two support parts can quickly reach both sides of the area to be cut in the pipe fitting; multiple inner support blocks can support multiple areas of the inner wall of the pipe fitting to improve the support effect of the inner wall of the pipe fitting; through the cooperation of the second driving component and the third driving component, it can be ensured that the center point of the inner support part is on the axis of the pipe fitting, so that the support force of each inner support block on the inner wall of the pipe fitting is consistent, thereby further improving the support effect of the inner wall of the pipe fitting.

[0021] 2. This utility model uses the locking force provided by the locking component to lock the first outer support block and the second outer support block together. With the cooperation of the two inner support parts, the pipe to be cut is supported from both the inner and outer sides. On the one hand, this can improve the support force of the pipe, and on the other hand, it can ensure that the pipe remains stable. The second rubber pad can make the first outer support block, the second outer support block and the outer wall of the pipe fit more tightly, thus improving the support effect of the outer wall of the pipe.

[0022] 3. After the pipe is cut, an external support mechanism is slidably connected to the base. This external support mechanism can move the remaining pipe away from the cut pipe. In this way, there is enough space between the two external cutting mechanisms to remove the cut pipe without having to pass through the two external cutting mechanisms to remove it, thereby improving the cutting efficiency of the pipe. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the pipe fitting anti-deformation cutting device of this utility model;

[0024] Figure 2 This is a cross-sectional view of the pipe fitting anti-deformation cutting device of this utility model;

[0025] Figure 3 This is a front cross-sectional view of the pipe fitting anti-deformation cutting device of this utility model;

[0026] Figure 4 This is a schematic diagram of the internal support mechanism of this utility model;

[0027] Figure 5 This is a front view of the internal support mechanism of this utility model;

[0028] Figure 6 This is a schematic diagram of the internal support part of this utility model;

[0029] Figure 7 This is a left view of the inner support portion of this utility model;

[0030] Figure 8 This is a schematic diagram of the drive mechanism of this utility model;

[0031] Figure 9 This is a schematic diagram of the external support mechanism of this utility model;

[0032] Figure 10 This is a left view of the external support mechanism of this utility model;

[0033] Figure 11 This is a schematic diagram of the cutting mechanism of this utility model;

[0034] Figure 12 This is a rendering of the pipe fitting anti-deformation cutting device of this utility model installed on the pipe fitting;

[0035] Figure 13 Left view of the pipe fitting anti-deformation cutting device of this utility model, showing the installation of the pipe fitting;

[0036] Figure 14 A cross-sectional view of the pipe fitting anti-deformation cutting device of this utility model, showing the installation of the pipe fitting;

[0037] Figure 15 This is a front cross-sectional view of the pipe fitting anti-deformation cutting device of this utility model, showing the installation of the pipe fitting.

[0038] Figure 16 For the present utility model Figure 15 A magnified schematic diagram of the local structure at point A in the middle.

[0039] Among them: 1. Cutting mechanism;

[0040] 101. Fourth drive component; 102. Cutting blade; 103. Fifth drive component; 104. Support plate; 105. Fixing block; 106. Support rod;

[0041] 2. External support structure;

[0042] 201. First outer support block; 202. Second outer support block; 203. Locking component; 204. Second rubber pad;

[0043] 3. Internal support structure;

[0044] 4. Internal support section;

[0045] 401. Fixing ring; 402. First driving component; 403. Inner support block; 404. First rubber pad;

[0046] 5. Connecting rod;

[0047] 6. Drive mechanism;

[0048] 601. Second driving component; 602. Third driving component; 603. Connecting block;

[0049] 7. Base. Detailed Implementation

[0050] The specific embodiments of this utility model are described below with reference to the accompanying drawings.

[0051] like Figures 1 to 16 The diagram shows the preferred embodiment of this utility model. The pipe anti-deformation cutting device of this embodiment includes: a cutting mechanism 1, two outer support mechanisms 2, and an inner support mechanism 3. The cutting mechanism 1 is used for cutting the pipe. The two outer support mechanisms 2 are located below the cutting mechanism 1, and the two outer support mechanisms 2 support the outer wall of the pipe from both sides of the pipe cutting point. The inner support mechanism 3 is located inside the outer support mechanisms 2. The inner support mechanism 3 includes: two inner support parts 4, which are connected by a connecting rod 5. The two inner support parts 4 support the inner wall of the pipe from both sides of the pipe cutting point. The distance between the two outer support mechanisms 2 is d1, and the distance between the two inner support parts 4 is d2, where d1 > d2. Therefore, by using the outer support mechanism 2 and the inner support mechanism 3 to simultaneously support the outer and inner walls of the pipe to be cut, compared with the existing support method that only supports the outer wall, this method has a simpler structure, is easier to operate, and can avoid deformation and damage caused by insufficient support during pipe cutting, thereby improving the cutting effect of the pipe. In addition, the two outer support mechanisms 2 and the two inner support parts 4 support the pipe from both sides of the pipe cutting point, ensuring that both the outer and inner walls on both sides of the pipe cutting point are supported, thereby further improving the support effect of the pipe and thus improving the cutting effect of the pipe. At the same time, by using the design method of d1>d2, there is enough space between the two outer support mechanisms 2 to avoid the cutting mechanism 1, so that the support of the pipe will not affect the normal cutting operation of the pipe.

[0052] In other words, since the outer and inner walls on both sides of the pipe cutting point are supported by two external support mechanisms 2 and two internal support parts 4 respectively, the cutting blade 102 will not bring any impact force that will cause deformation to the pipe during cutting, whether it is cutting from the outside to the inside or from the inside to the outside. Thus, the pipe will not be deformed during cutting, thereby achieving the anti-deformation effect of the pipe and improving the cutting effect of the pipe.

[0053] In this embodiment, the inner support part 4 includes: a fixing ring 401, a first driving member 402, an inner support block 403, and a first rubber pad 404. The first driving member 402 is installed on the outer wall of the fixing ring 401, the inner support block 403 is installed on the telescopic end of the first driving member 402, and the first rubber pad 404 is installed on the side of the inner support block 403 away from the first driving member 402. The fixing rings 401 of the two inner support parts 4 are connected by a connecting rod 5. There are multiple first driving members 402, and the multiple first driving members 402 are distributed in a ring shape with equal spacing. The number of inner support blocks 403 and the number of first rubber pads 404 are equal to the number of first driving members 402. Therefore, the first driving member 402 can drive the inner support block 403 to move along the radial direction of the pipe fitting to support the inner wall of pipe fittings with different diameters; the first rubber pad 404 can adapt to pipe fittings with different diameters to improve the support effect of the inner support block 403 on the pipe fitting; the connecting rod 5 can realize the synchronous movement of the two inner support parts 4 so that the two support parts can quickly reach both sides of the area to be cut in the pipe fitting; the multiple inner support blocks 403 can support multiple areas of the inner wall of the pipe fitting to improve the support effect of the inner wall of the pipe fitting.

[0054] For example, the first driving component 402 is a cylinder.

[0055] In this embodiment, the inner support mechanism 3 further includes a driving mechanism 6, which includes a second driving member 601 and a third driving member 602. The driving end of the second driving member 601 is connected to the third driving member 602 via a connecting block 603. The driving end of the third driving member 602 is connected to a fixing ring 401. The second driving member 601 drives the inner support part 4 to move along the radial direction of the pipe, and the third driving member 602 drives the inner support part 4 to move along the axial direction of the pipe. Thus, through the cooperation of the second driving member 601 and the third driving member 602, it can be ensured that the center point of the inner support part 4 is located on the axis of the pipe, so that the supporting force of each inner support block 403 on the inner wall of the pipe is consistent, thereby further improving the supporting effect of the inner wall of the pipe.

[0056] For example, both the second drive component 601 and the third drive component 602 use cylinders.

[0057] In this embodiment, the outer support mechanism 2 includes: a first outer support block 201, a second outer support block 202, and a plurality of locking members 203. The first outer support block 201 is located below the inner support mechanism 3, the second outer support block 202 is located above the inner support mechanism 3, and the plurality of locking members 203 are respectively located on both sides of the first outer support block 201, and the first outer support block 201 and the second outer support block 202 are connected by the locking members 203; the inner walls of the first outer support block 201 and the second outer support block 202 are both provided with second rubber pads 204. Therefore, the locking force provided by the locking member 203 can lock the first outer support block 201 and the second outer support block 202, and with the cooperation of the two inner support parts 4, support the pipe to be cut from both the inner and outer sides. On the one hand, it can improve the support force of the pipe, and on the other hand, it can ensure that the pipe always remains stable. The second rubber pad 204 can make the first outer support block 201 and the second outer support block 202 fit more tightly with the outer wall of the pipe, thus improving the support effect of the outer wall of the pipe.

[0058] For example, locking component 203 uses a bolt and nut combination.

[0059] In this embodiment, the cutting mechanism 1 includes: a fourth driving member 101, a cutting blade 102, a fifth driving member 103, and a support plate 104. The driving end of the fourth driving member 101 is connected to the cutting blade 102. The fourth driving member 101 is used to drive the cutting blade 102 to rotate so as to cut the pipe. The fifth driving member 103 is connected to the support plate 104. The driving end of the fifth driving member 103 is connected to the fourth driving member 101 through a fixing block 105. The fifth driving member 103 is used to drive the fourth driving member 101 to move up and down so that the fourth driving member 101 contacts the pipe to be cut. Therefore, when cutting the pipe, the fifth drive 103 drives the cutting blade 102 to move downward so that the cutting blade 102 contacts the pipe to be cut, and the fourth drive 101 drives the cutting blade 102 to rotate. The rotating cutting blade 102 is used to cut the pipe. When installing or removing the pipe, the fifth drive 103 drives the cutting blade 102 to move upward so that the cutting blade 102 moves away from the pipe that has been cut, so that there is enough space between the cutting blade 102 and the pipe for removing the cut pipe.

[0060] Specifically, the support plate 104 is connected to the base 7 via the support rod 106, one first outer support block 201 is slidably connected to the base 7, another first outer support block 201 is fixedly connected to the base 7, and the second driving member 601 is connected to the base 7.

[0061] For example, the fourth drive component 101 uses an electric motor, and the fifth drive component 103 uses a cylinder.

[0062] In this embodiment, the system further includes: a base 7, and cutting mechanism 1, outer support mechanism 2, and inner support mechanism 3 are all connected to the base 7; one outer support mechanism 2 is slidably connected to the base 7, and the other outer support mechanism 2 is fixedly connected to the base 7. Therefore, after the pipe is cut, because one outer support mechanism 2 is slidably connected to the base 7, the outer support mechanism 2 can move the remaining pipe away from the cut pipe. This leaves sufficient space between the two outer cutting mechanisms 1 for removing the cut pipe, eliminating the need to pass the cut pipe through both outer cutting mechanisms 1 before removal, thus improving the pipe cutting efficiency.

[0063] The anti-deformation cutting process of this utility model pipe fitting is as follows: First, loosen the locking member 203, place the pipe fitting to be cut onto the first outer support block 201, then place the second outer support block 202 above the pipe fitting and tighten the locking member 203, so that the outer wall of the pipe fitting is supported by the first outer support block 201 and the second outer support block 202; Next, through the cooperation of the second driving member 601 and the third driving member 602, align the center point of the inner support part 4 with the axis of the pipe fitting, and make the two inner support parts 4 located on both sides of the pipe fitting cutting point, and with the cooperation of the first driving member 402, the inner wall of the pipe fitting is supported by the inner support block 403. At this time, the two sides of the pipe fitting cutting point are supported. The outer and inner walls are supported by two external support mechanisms 2 and two internal support parts 4, respectively. Then, the fifth drive member 103 drives the cutting blade 102 to move downward so that the cutting blade 102 contacts the pipe to be cut, and the fourth drive member 101 is activated to drive the cutting blade 102 to rotate. The rotating cutting blade 102 is used to cut the pipe. Then, the locking member 203 is loosened and tightened to rotate the pipe and cut one circumference of the pipe. Finally, the external support mechanism 2, which is slidably connected to the base 7, is moved away from the internal support mechanism 3 so that there is enough space between the two external support mechanisms 2 for the workers to remove the cut pipe.

[0064] In summary, this utility model simultaneously supports the outer and inner walls of the pipe to be cut by using the outer support mechanism 2 and the inner support mechanism 3. Compared with the existing support method that only supports the outer wall, this method has a simpler structure, is easier to operate, and can avoid deformation and damage caused by insufficient support during pipe cutting, thereby improving the cutting effect of the pipe. In addition, the two outer support mechanisms 2 and the two inner support parts 4 support the pipe from both sides of the pipe cutting point, ensuring that both the outer and inner walls on both sides of the pipe cutting point are supported, thereby further improving the support effect of the pipe and thus improving the cutting effect of the pipe. At the same time, by using the design method of d1>d2, there is enough space between the two outer support mechanisms 2 to avoid the cutting mechanism 1, so that the support of the pipe will not affect the normal cutting operation of the pipe.

[0065] The above description is an explanation of the present utility model and not a limitation thereof. The scope of the present utility model is defined by the claims. Within the protection scope of the present utility model, any form of modification may be made.

Claims

1. A pipe fitting anti-deformation cutting device, characterized in that, include: A cutting mechanism (1) is used for cutting pipe fittings; Two external support mechanisms (2) are located below the cutting mechanism (1), and the two external support mechanisms (2) support the outer wall of the pipe from both sides of the pipe cutting point; An inner support mechanism (3) is located inside the outer support mechanism (2), and the inner support mechanism (3) includes: Two inner support parts (4) are connected by a connecting rod (5). The two inner support parts (4) support the inner wall of the pipe fitting from both sides of the pipe fitting cut. The distance between the two outer support mechanisms (2) is d1, and the distance between the two inner support parts (4) is d2, where d1 > d2.

2. The pipe fitting anti-deformation cutting device as described in claim 1, characterized in that: The inner support portion (4) includes: The device comprises a fixed ring (401), a first driving member (402), an inner support block (403), and a first rubber pad (404). The first driving member (402) is mounted on the outer wall of the fixed ring (401), the inner support block (403) is mounted on the telescopic end of the first driving member (402), and the first rubber pad (404) is mounted on the side of the inner support block (403) away from the first driving member (402).

3. The pipe fitting anti-deformation cutting device as described in claim 2, characterized in that: The fixing rings (401) of the two inner support parts (4) are connected by the connecting rod (5).

4. The pipe fitting anti-deformation cutting device as described in claim 2, characterized in that: Multiple first driving elements (402) are provided, and the multiple first driving elements (402) are distributed in a ring with equal spacing; The number of inner support blocks (403) and the number of the first rubber pads (404) are equal to the number of the first driving components (402).

5. The pipe fitting anti-deformation cutting device as described in claim 2, characterized in that: The internal support mechanism (3) also includes: Drive mechanism (6), the drive mechanism (6) includes: The second driving member (601) and the third driving member (602) are connected by a connecting block (603) to the third driving member (602). The driving end of the third driving member (602) is connected to the fixing ring (401). The second driving member (601) is used to drive the inner support part (4) to move along the radial direction of the pipe, and the third driving member (602) is used to drive the inner support part (4) to move along the axial direction of the pipe.

6. The pipe fitting anti-deformation cutting device as described in claim 1, characterized in that: The external support mechanism (2) includes: The first outer support block (201), the second outer support block (202), and a plurality of locking elements (203) are provided. The first outer support block (201) is located below the inner support mechanism (3), the second outer support block (202) is located above the inner support mechanism (3), and the plurality of locking elements (203) are located on both sides of the first outer support block (201). The first outer support block (201) and the second outer support block (202) are connected by the locking elements (203).

7. The pipe fitting anti-deformation cutting device as described in claim 6, characterized in that: The inner walls of the first outer support block (201) and the second outer support block (202) are both provided with a second rubber pad (204).

8. The pipe fitting anti-deformation cutting device as described in claim 1, characterized in that: The cutting mechanism (1) includes: The fourth drive member (101) and the cutting blade (102) are connected at the drive end of the fourth drive member (101) to the cutting blade (102). The fourth drive member (101) is used to drive the cutting blade (102) to rotate in order to cut the pipe.

9. The pipe fitting anti-deformation cutting device as described in claim 8, characterized in that: The cutting mechanism (1) further includes: The fifth driving member (103) and the support plate (104) are connected. The driving end of the fifth driving member (103) is connected to the fourth driving member (101) through the fixing block (105). The fifth driving member (103) is used to drive the fourth driving member (101) to move up and down so that the fourth driving member (101) contacts the pipe to be cut.

10. The pipe fitting anti-deformation cutting device as described in claim 1, characterized in that: Also includes: The base (7), the cutting mechanism (1), the outer support mechanism (2) and the inner support mechanism (3) are all connected to the base (7); One of the external support mechanisms (2) is slidably connected to the base (7), and the other external support mechanism (2) is fixedly connected to the base (7).

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