Anti-deformation clamping device for pipe machining

Abstract

The application relates to the clamping field and discloses a deformation-preventing clamping device for pipeline machining, the top of a connecting block is fixedly connected with the bottom of a supporting rod, the inner wall of the connecting block is rotationally connected with a rotating shaft, the outer surface of the rotating shaft is fixedly connected with a rotating rod, the top of the rotating rod is fixedly connected with a clamping plate, the inner wall of the clamping plate is slidably connected with a sliding rod, the outer surface of the sliding rod is fixedly connected with a spring, the bottom end of the spring is fixedly connected with the top of the clamping plate, and the top of the sliding rod is fixedly connected with a pressing mechanism. Through the arrangement of the rotating rod, when a pipe encounters an impact force causing deformation, the impact force may impact one end, at the moment, the rotating rod rotates a certain angle on the surface of the rotating shaft, cooperates with a damping mechanism in the supporting mechanism, buffers the impact force on the surface of the pipe, prevents the pipe from being unable to rotate and adjust when encountering the impact, ensures that the pipe cannot be deformed due to the impact force, and ensures the safety of the pipe.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of clamping, in particular to a pipe machining anti-deformation clamping device. BACKGROUND

[0002] The main role of the clamping device is clamping, which is to fix the parts to be processed in a proper way to ensure the size and accuracy of the part processing process. When clamping, two points should be considered: first, the positioning of the part, which includes the adaptation of the part to the processing equipment, that is, the posture of the part during processing, and the repeated positioning problem, that is, in batch production, the geometric relationship and accuracy of the positioning surface of each batch of parts and the processed size are the same; second, the clamping of the part, that is, the clamping should provide sufficient clamping force to ensure that the part will not move unexpectedly during processing.

[0003] However, in the existing clamping device for fixing pipe, due to the need to ensure the fixing effect, there is rarely a buffer mechanism. Even if there is a buffer mechanism, when encountering impact force on one side, it is still unable to effectively buffer the pipe, causing the pipe to deform during processing and affecting the processing of the pipe. SUMMARY

[0004] In view of the defects of the prior art, the technical scheme adopted by the present application to solve the technical problems is: a pipe machining anti-deformation clamping device, comprising a base, the top of the base is symmetrically provided with a slide rail, the bottom of the slide rail is fixedly connected with the top of the base, the top of the base is fixedly connected with an adjusting mechanism, the outer surface of the slide rail is symmetrically provided with a supporting mechanism, the inner wall of the supporting mechanism is slidingly connected with the outer surface of the slide rail, the adjusting mechanism comprises a connecting plate, the top of the connecting plate is provided with a supporting rod, first fix the pipe to be processed by the adjusting mechanism, first place the pipe on the top of the supporting rod, fix the clamping plate in the buffer mechanism on the surface of the rotating rod by the screw rod, fix the pipe, fix the center of gravity of the pipe in the adjusting mechanism, which is convenient for processing, and also comprises:

[0005] The buffering mechanism comprises a connecting block fixedly connected with the top of the connecting plate, the top of the connecting block is fixedly connected with the bottom of the supporting rod, the inner wall of the connecting block is rotationally connected with a rotating shaft, the outer surface of the rotating shaft is fixedly connected with a rotating rod, the top of the rotating rod is fixedly connected with a clamping plate, the inner wall of the clamping plate is slidably connected with a sliding rod, the outer surface of the sliding rod is fixedly connected with a spring, the bottom end of the spring is fixedly connected with the top of the clamping plate, the top of the sliding rod is fixedly connected with a pressing mechanism, in the process of fixing the pipe, according to the different sizes of the pipe, the pressing mechanism is tightly pressed against the surface of the pipe in the process of continuous tightening, at the same time, the sliding rod slides according to the pipe of different sizes, so that the spring is stretched, adjustment is carried out, and tension is generated to fix the pipe, when the pipe encounters an impact force that causes deformation, the impact force may impact one end, at this time, the rotating rod rotates on the surface of the rotating shaft by a certain angle, cooperates with the damping mechanism in the supporting mechanism, and buffers the impact force on the surface of the pipe to prevent the pipe from being unable to rotate and adjust when encountering an impact.

[0006] The bottom of the connecting plate is symmetrically provided with a curved plate, the inner wall of the curved plate is rotationally connected with the bottom of the connecting plate, the bottom end of the curved plate is fixedly connected with a base, the opposite sides of the curved plate are fixedly connected with curved rods, the bottom of the base is fixedly connected with the top of the pedestal, the pressing mechanism comprises a connecting groove, the bottom end of the connecting groove is fixedly connected with the top of the sliding rod, the outer surface of the connecting groove is fixedly connected with an arc block, the bottom of the arc block is fixedly connected with a pressing block, the bottom of the pressing block is symmetrically provided with anti-skid blocks, the inner wall of the anti-skid block is rotationally connected with the outer surface of the pressing block, the top of the anti-skid block is fixedly connected with a buffer plate, the top of the buffer plate is fixedly connected with the bottom of the pressing block, in the process that the pressing mechanism presses the surface of the pipe, the anti-skid block is tightly pressed against the surface of the pipe, at the same time, the pressing block is elastically deformed due to the pressing of the pipe, and the elastic force is applied to the anti-skid block through the pressing block, so that the pipe is pressed and fixed, when an impact is encountered, the buffer plate deforms, and the anti-skid block is adjusted by rotating.

[0007] The top of the pedestal is fixedly connected with a storage table, the bottom of the pedestal is symmetrically provided with supporting legs, the top of the supporting leg is fixedly connected with the bottom of the pedestal, the top of the pedestal is fixedly connected with a baffle, the outer surface of the baffle is symmetrically provided with supporting blocks, the inner wall of the supporting block is fixedly connected with the outer surface of the baffle, and the bottom of the supporting block is fixedly connected with the top of the pedestal.

[0008] The support mechanism includes a sliding plate, the top of the sliding plate is fixedly connected with a bottom groove, the inner wall of the bottom groove is fixedly connected with a fixing rod, and the outer surface of the fixing rod is slidably connected with a damping mechanism.

[0009] The damping mechanism includes a damping cylinder, the top of the damping cylinder is symmetrically provided with clamping blocks, the bottom of the clamping blocks is fixedly connected with the top of the damping cylinder, the top of the damping cylinder is symmetrically provided with elastic plates, the bottom of the elastic plates is fixedly connected with the top of the damping cylinder, the top of the elastic plates is fixedly connected with a connecting ring, and the top of the connecting ring is fixedly connected with a fixing mechanism.

[0010] The fixing mechanism includes a fixing block, the outer surface of the fixing block is symmetrically provided with sliding grooves, the opposite sides of the sliding grooves are fixedly connected with the outer surface of the fixing block, the inner wall of the sliding grooves is slidably connected with clamping plates, the two ends of the clamping plates are symmetrically provided with pulling plates, the inner wall of the pulling plates is rotatably connected with the outer surface of the clamping plates, the opposite sides of the pulling plates are fixedly connected with the outer surface of the fixing block, the outer surface of the fixing block is symmetrically provided with top blocks, the opposite sides of the top blocks are fixedly connected with the outer surface of the fixing block, and the opposite sides of the top blocks are rotatably connected with anti-skid plates.

[0011] The beneficial effects of the present application are as follows:

[0012] 1. The present application is provided with a rotating rod, when the pipe encounters an impact force that reaches the deformation, the impact force may impact one end, at this time the rotating rod rotates on the surface of the rotating shaft by a certain angle, cooperates with the damping mechanism in the support mechanism, buffers the impact force on the surface of the pipe, prevents the pipe from being unable to rotate and adjust when encountering an impact, ensures that the pipe will not be deformed due to the impact force, and ensures the safety of the pipe.

[0013] 2. The application sets up a buffer plate, when encountering impact, the buffer plate deforms, the anti-skid block rotates to adjust, preventing the anti-skid block from impacting the surface of the pipe when encountering impact, and causing the surface of the pipe to deform.

[0014] 3. The application sets up a clamping block, during the buffering and rebounding process, the clamping block clamps and fixes the fixed rod during the rebounding process, slows down the rebounding speed, and when sliding to the top of the fixed rod, the clamping block abuts against the fixed rod, and the clamping block elastically deforms to buffer the rebounding force, preventing the rebounding force from damaging the pipe and the device.

[0015] 4. The application sets up a pulling plate, the rear pulling plate is made of an elastic metal plate, the pulling plate itself elastically pulls the clamping plate to slide in the inner wall of the sliding groove, so that the clamping plate is pressed downward and clamps the anti-skid plate to fix the pipe, when the pulling plate clamps, and when rebounding after encountering impact, the pulling plate deforms to buffer the rebounding force, preventing the rebounding force from being too large, damaging the clamping plate, causing the pipe to pop out of the device, and causing harm to workers.

[0016] 5. The application sets up a sliding rail, and during the sliding process, the sliding rail can be adjusted according to the center of gravity of the pipe to keep the center of gravity of the pipe in the adjusting mechanism, when the center of gravity is fixed in the adjusting mechanism, the pipe is easily buffered and adjusted when encountering impact, preventing deformation. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a front view of the application;

[0018] Figure 2 is a side view of the application;

[0019] Figure 3 is a structural schematic view of the adjusting mechanism of the application;

[0020] Figure 4 is a structural schematic view of the buffering mechanism of the application;

[0021] Figure 5 is a structural schematic view of the pressing mechanism of the application;

[0022] Figure 6 is a structural schematic view of the supporting mechanism of the application;

[0023] Figure 7 is a structural schematic view of the damping mechanism of the application;

[0024] Figure 8 is a structural schematic view of the fixing mechanism of the application.

[0025] In the diagram: 1. Base; 2. Adjustment mechanism; 3. Support mechanism; 4. Slide rail; 5. Display platform; 6. Baffle; 7. Support block; 8. Support leg; 21. Buffer mechanism; 22. Crank rod; 23. Base; 24. Crank plate; 25. Connecting plate; 26. Support rod; 211. Pressing mechanism; 212. Slide rod; 213. Clamping plate; 214. Rotating shaft; 215. Connecting block; 216. Rotating rod; 217. Spring; 2111. 2112 Connecting groove; 2113 Arc block; 2114 Pressure block; 2115 Buffer plate; 2116 Anti-slip block; 31 Fixing mechanism; 32 Bottom groove; 33 Slide plate; 34 Shock absorption mechanism; 35 Fixing rod; 311 Clamping plate; 312 Slide groove; 313 Pull plate; 314 Top block; 315 Fixing block; 316 Anti-slip plate; 341 Shock absorber; 342 Spring plate; 343 Clamping block; 344 Connecting ring. Detailed Implementation

[0026] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the invention to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described to better illustrate the principles and practical application of the invention, and to enable those skilled in the art to understand the invention and design various embodiments with various modifications suitable for a particular purpose.

[0027] Example 1, as Figures 1-5 As shown, a pipe processing anti-deformation clamping device includes a base 1, with slide rails 4 symmetrically arranged on the top of the base 1. The bottom of the slide rails 4 is fixedly connected to the top of the base 1. An adjustment mechanism 2 is fixedly connected to the top of the base 1. Support mechanisms 3 are symmetrically arranged on the outer surface of the slide rails 4, and the inner wall of the support mechanism 3 is slidably connected to the outer surface of the slide rails 4. The adjustment mechanism 2 includes a connecting plate 25, with a support rod 26 arranged on the top of the connecting plate 25. First, the pipe to be processed is fixed by the adjustment mechanism 2. The pipe is placed on the top of the support rod 26, and the clamping plate 213 in the buffer mechanism 21 is fixed to the surface of the rotating rod 216 by a screw, thus fixing the pipe and fixing the center of gravity of the pipe in the adjustment mechanism 2. This facilitates processing and also makes it easier for the support mechanism 3 to buffer and adjust when encountering impact forces that cause the pipe to deform. The device also includes:

[0028] The buffer mechanism 21 comprises a connecting block 215 fixedly connected with the top of the connecting plate 25, the top of the connecting block 215 is fixedly connected with the bottom of the supporting rod 26, the inner wall of the connecting block 215 is rotationally connected with a rotating shaft 214, the outer surface of the rotating shaft 214 is fixedly connected with a rotating rod 216, the top of the rotating rod 216 is fixedly connected with a clamping plate 213, the inner wall of the clamping plate 213 is slidingly connected with a sliding rod 212, the outer surface of the sliding rod 212 is fixedly connected with a spring 217, the bottom end of the spring 217 is fixedly connected with the top of the clamping plate 213, the top of the sliding rod 212 is fixedly connected with a pressing mechanism 211, in the process of fixing the pipe, according to the different sizes of the pipe, in the process of continuous tightening, the pressing mechanism 211 is tightly pressed against the surface of the pipe, at the same time, the sliding rod 212 slides according to the different sizes of the pipe, so that the spring 217 is stretched, adjustment is made, and tension is generated to fix the pipe, when the pipe encounters an impact force that causes deformation, the impact force may impact one end, at this time, the rotating rod 216 rotates on the surface of the rotating shaft 214 by a certain angle, cooperates with the damping mechanism 34 in the supporting mechanism 3, buffers the impact force on the surface of the pipe, prevents the pipe from being unable to rotate and adjust when an impact is encountered, ensures that the pipe will not be deformed due to the impact force, and ensures the safety of the pipe.

[0029] The bottom of the connecting plate 25 is symmetrically provided with a curved plate 24, the inner wall of the curved plate 24 is rotationally connected with the bottom of the connecting plate 25, the bottom end of the curved plate 24 is fixedly connected with a base 23, the opposite side of the curved plate 24 is fixedly connected with a curved rod 22, the bottom of the base 23 is fixedly connected with the top of the base 1, the pressing mechanism 211 comprises a connecting groove 2111, the bottom end of the connecting groove 2111 is fixedly connected with the top of the sliding rod 212, the outer surface of the connecting groove 2111 is fixedly connected with an arc block 2112, the bottom of the arc block 2112 is fixedly connected with a pressing block 2113, the bottom of the pressing block 2113 is symmetrically provided with an anti-skid block 2115, the inner wall of the anti-skid block 2115 is rotationally connected with the outer surface of the pressing block 2113, the top of the anti-skid block 2115 is fixedly connected with a buffer plate 2114, the top of the buffer plate 2114 is fixedly connected with the bottom of the pressing block 2113, in the process that the pressing mechanism 211 presses the surface of the pipe, the anti-skid block 2115 is tightly pressed against the surface of the pipe, at the same time, the pressing block 2113 is elastically deformed due to the pressing of the pipe, the elastic force is applied to the anti-skid block 2115 through the pressing block 2113, the pipe is pressed and fixed, when an impact is encountered, the buffer plate 2114 is deformed, the anti-skid block 2115 is adjusted in rotation, the anti-skid block 2115 is prevented from impacting the surface of the pipe when an impact is encountered, and deformation of the surface of the pipe is prevented.

[0030] The top of the base 1 is fixedly connected with a storage table 5, the bottom of the base 1 is symmetrically provided with supporting legs 8, the top of the supporting legs 8 is fixedly connected with the bottom of the base 1, the top of the base 1 is fixedly connected with a baffle 6, the outer surface of the baffle 6 is symmetrically provided with supporting blocks 7, the inner wall of the supporting blocks 7 is fixedly connected with the outer surface of the baffle 6, and the bottom of the supporting blocks 7 is fixedly connected with the top of the base 1.

[0031] In the embodiment two, on the basis of the embodiment one, referring to Figures 6-8 The supporting mechanism 3 includes a sliding plate 33, the top of the sliding plate 33 is fixedly connected with a bottom groove 32, the inner wall of the bottom groove 32 is fixedly connected with a fixed rod 35, the outer surface of the fixed rod 35 is slidably connected with a damping mechanism 34, after the pipe is fixed, the supporting mechanism 3 is slid along the sliding rail 4 to fix the two ends of the pipe, and in the sliding process, the sliding adjustment can be made according to the center of gravity of the pipe, so that the center of gravity of the pipe is kept in the adjusting mechanism 2, and when the center of gravity is fixed in the adjusting mechanism 2, the pipe can be easily buffered and adjusted when the pipe is impacted, and deformation of the pipe is prevented.

[0032] The damping mechanism 34 includes a damping cylinder 341, the top of the damping cylinder 341 is symmetrically provided with clamping blocks 343, the bottom of the clamping blocks 343 is fixedly connected with the top of the damping cylinder 341, the top of the damping cylinder 341 is symmetrically provided with elastic plates 342, the bottom of the elastic plates 342 is fixedly connected with the top of the damping cylinder 341, the top of the elastic plates 342 is fixedly connected with a connecting ring 344, the top of the connecting ring 344 is fixedly connected with a fixing mechanism 31, in the process of machining the pipe, the force on the surface of the pipe that causes the pipe to deform is offset by the damping cylinder 341 through the damping mechanism 34, the force on the surface of the pipe that causes the pipe to deform is offset, and in the process of buffering and rebounding, the clamping blocks 343 clamp the fixed rod 35 in the rebounding process, so as to slow down the rebounding speed, and when the clamping blocks 343 abut against the fixed rod 35 when sliding to the top of the fixed rod 35, the clamping blocks 343 are elastically deformed to buffer the rebounding force, so as to prevent the rebounding force from damaging the pipe and the device.

[0033] The fixing mechanism 31 comprises a fixing block 315, the outer surface of the fixing block 315 is symmetrically provided with a sliding groove 312, the opposite sides of the sliding groove 312 are fixedly connected with the outer surface of the fixing block 315, the inner wall of the sliding groove 312 is slidably connected with a clamping plate 311, the two ends of the clamping plate 311 are symmetrically provided with a pull plate 313, the inner wall of the pull plate 313 is rotatably connected with the outer surface of the clamping plate 311, the opposite sides of the pull plate 313 are fixedly connected with the outer surface of the fixing block 315, the outer surface of the fixing block 315 is symmetrically provided with a top block 314, the opposite sides of the top block 314 are fixedly connected with the outer surface of the fixing block 315, and the opposite sides of the top block 314 are rotatably connected with an anti-skid plate 316; after the position of the supporting mechanism 3 is adjusted, the pipe is fixed by the fixing mechanism 31, one end of the pipe is inserted through the gap between the clamping plate 311 and the anti-skid plate 316, then the pull plate 313 is made of elastic metal plate, the clamping plate 311 is slid in the inner wall of the sliding groove 312 by utilizing the elasticity of the pull plate 313, so that the clamping plate 311 is pressed downward and clamped with the anti-skid plate 316 to fix the pipe; when the pull plate 313 is clamped, the pull plate 313 is deformed to buffer the rebound force when an impact force is encountered, so that the rebound force is prevented from being too large and damaging the clamping plate 311 and causing the pipe to pop out of the device and injure the worker.

[0034] In use, first, the pipe to be processed is fixed by the adjusting mechanism 2, the pipe is first placed on the top of the supporting rod 26, and the clamping plate 213 in the buffer mechanism 21 is fixed on the surface of the rotating rod 216 by the screw rod to fix the pipe.

[0035] During the fixing of the pipe, according to different sizes of the pipe, the pressing mechanism 211 is pressed against the surface of the pipe during continuous tightening, and the sliding rod 212 slides according to the different sizes of the pipe, so that the spring 217 is stretched to adjust and generate a pulling force to fix the pipe.

[0036] During the pressing of the pipe surface by the pressing mechanism 211, the anti-skid block 2115 is tightly attached to the surface of the pipe, and the elastic deformation of the arc block 2112 due to the pressing of the pipe applies an elastic force to the anti-skid block 2115 through the pressing block 2113 to press and fix the pipe.

[0037] After the pipe is fixed, the supporting mechanism 3 is slid along the sliding rail 4 to fix both ends of the pipe, and during the sliding, the sliding can be adjusted according to the center of gravity of the pipe to keep the center of gravity of the pipe in the adjusting mechanism 2.

[0038] After the position of the supporting mechanism 3 is adjusted, the pipe is fixed by the fixing mechanism 31, the pipe is inserted into the gap between the clamping plate 311 and the anti-skid plate 316, then the pulling plate 313 is made of elastic metal plate, the clamping plate 311 is pulled to slide in the inner wall of the sliding groove 312 by the elasticity of the pulling plate 313, the clamping plate 311 is pressed down to clamp the pipe with the anti-skid plate 316 to fix the pipe.

[0039] During the processing of the pipe, the force which causes the deformation of the pipe is offset by the shock-absorbing mechanism 34, the shock-absorbing cylinder 341 is deformed to buffer the force which causes the deformation of the pipe.

[0040] Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art and related fields without creative work should belong to the protection scope of the present application. The structures, devices and operation methods which are not specifically described and explained in the present application are implemented according to the conventional means in the art without special description and limitation.

Claims

1. A pipe processing anti-deformation clamping device, comprising a base (1), wherein slide rails (4) are symmetrically arranged on the top of the base (1), the bottom of the slide rails (4) is fixedly connected to the top of the base (1), an adjustment mechanism (2) is fixedly connected to the top of the base (1), and a support mechanism (3) is symmetrically arranged on the outer surface of the slide rails (4), wherein the inner wall of the support mechanism (3) is slidably connected to the outer surface of the slide rails (4), characterized in that: The adjusting mechanism (2) comprises a connecting plate (25), the top of the connecting plate (25) is provided with a supporting rod (26), and further comprises: A buffering mechanism (21) comprises a connecting block (215) fixedly connected with the top of the connecting plate (25), the top of the connecting block (215) is fixedly connected with the bottom of the supporting rod (26), the inner wall of the connecting block (215) is rotatably connected with a rotating shaft (214), the outer surface of the rotating shaft (214) is fixedly connected with a rotating rod (216), the top of the rotating rod (216) is fixedly connected with a clamping plate (213), the inner wall of the clamping plate (213) is slidably connected with a sliding rod (212), the outer surface of the sliding rod (212) is fixedly connected with a spring (217), the bottom end of the spring (217) is fixedly connected with the top of the clamping plate (213), and the top of the sliding rod (212) is fixedly connected with a pressing mechanism (211); The bottom of the connecting plate (25) is symmetrically provided with a curved plate (24), the inner wall of the curved plate (24) is rotatably connected with the bottom of the connecting plate (25), the bottom end of the curved plate (24) is fixedly connected with a base (23), and the opposite sides of the curved plate (24) are fixedly connected with curved rods (22); the bottom of the base (23) is fixedly connected with the top of the base (1); The pressing mechanism (211) comprises a connecting groove (2111), the bottom end of the connecting groove (2111) is fixedly connected with the top of the sliding rod (212), the outer surface of the connecting groove (2111) is fixedly connected with an arc block (2112), and the bottom of the arc block (2112) is fixedly connected with a pressing block (2113); The bottom of the pressing block (2113) is symmetrically provided with anti-skid blocks (2115), the inner wall of the anti-skid block (2115) is rotatably connected with the outer surface of the pressing block (2113), the top of the anti-skid block (2115) is fixedly connected with a buffer plate (2114), and the top of the buffer plate (2114) is fixedly connected with the bottom of the pressing block (2113); The top of the base (1) is fixedly connected with a storage table (5), and the bottom of the base (1) is symmetrically provided with supporting legs (8); the top of the supporting leg (8) is fixedly connected with the bottom of the base (1); The top of the base (1) is fixedly connected with a baffle (6), the outer surface of the baffle (6) is symmetrically provided with supporting blocks (7), the inner wall of the supporting block (7) is fixedly connected with the outer surface of the baffle (6), and the bottom of the supporting block (7) is fixedly connected with the top of the base (1); The supporting mechanism (3) comprises a sliding plate (33), the top of the sliding plate (33) is fixedly connected with a bottom groove (32), the inner wall of the bottom groove (32) is fixedly connected with a fixed rod (35), and the outer surface of the fixed rod (35) is slidably connected with a damping mechanism (34). The damping mechanism (34) includes a damping cylinder (341), the top of the damping cylinder (341) is provided with a clamping block (343) symmetrically, the bottom of the clamping block (343) is fixedly connected with the top of the damping cylinder (341), the top of the damping cylinder (341) is provided with a elastic plate (342) symmetrically, the bottom of the elastic plate (342) is fixedly connected with the top of the damping cylinder (341), the top of the elastic plate (342) is fixedly connected with a connecting ring (344), the top of the connecting ring (344) is fixedly connected with a fixing mechanism (31).

2. The anti-deformation clamping device for pipe machining according to claim 1, characterized in that: The fixing mechanism (31) includes a fixed block (315), the outer surface of the fixed block (315) is provided with a sliding groove (312) symmetrically, the opposite sides of the sliding groove (312) are fixedly connected with the outer surface of the fixed block (315), the inner wall of the sliding groove (312) is slidably connected with a clamping plate (311), the both ends of the clamping plate (311) are provided with a pull plate (313) symmetrically, and the inner wall of the pull plate (313) is rotatably connected with the outer surface of the clamping plate (311).

3. The anti-deformation clamping device for pipe machining according to claim 2, characterized in that: The opposite sides of the pull plate (313) are fixedly connected with the outer surface of the fixed block (315), the outer surface of the fixed block (315) is provided with a top block (314) symmetrically, the opposite sides of the top block (314) are fixedly connected with the outer surface of the fixed block (315), and the opposite sides of the top block (314) are rotatably connected with an anti-skid plate (316).

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