CN114603195A

CN114603195A - Synchronous cutting equipment of bellows double-end

Info

Publication number: CN114603195A
Application number: CN202210233633.1A
Authority: CN
Inventors: 戴美华
Original assignee: Jiangsu Huadong Electric Power Metallurgy Machinery Plant Co ltd
Current assignee: Jiangsu Huadong Electric Power Metallurgy Machinery Plant Co ltd
Priority date: 2022-03-10
Filing date: 2022-03-10
Publication date: 2022-06-10
Anticipated expiration: 2042-03-10
Also published as: CN114603195B

Abstract

The invention relates to the technical field of cutting equipment, in particular to corrugated pipe double-head synchronous cutting equipment. Including base, distance subassembly, cutting component, fixed subassembly, runner assembly and auxiliary assembly, the distance subassembly is installed to the base up end, and bilateral symmetry is connected with cutting component on the distance subassembly, the fixed subassembly of base up end bilateral symmetry fixedly connected with is provided with the runner assembly between two fixed subassemblies, and the runner assembly lower extreme is installed in the upper end of base, and the runner assembly top is provided with auxiliary assembly, auxiliary assembly lower extreme fixed mounting is in the upper end of base. The cutter head of the existing corrugated pipe cutting equipment can apply pressure to the corrugated pipe in the feeding process, so that the cut of the corrugated pipe is deformed, and the problem that the cut surface of the corrugated pipe is uneven is solved. According to the corrugated pipe cutting device, the pressure of the cutter head on the corrugated pipe is blocked from the inside through the fixing component and the sizing mechanism, so that the cutting surface of the corrugated pipe is smoother.

Description

Synchronous cutting equipment of bellows double-end

Technical Field

The invention relates to the technical field of cutting equipment, in particular to corrugated pipe double-head synchronous cutting equipment.

Background

The corrugated pipe is a tubular elastic sensitive element formed by connecting foldable corrugated sheets along the folding and stretching direction; the opening end of the spring is fixed, the sealing end is in a free state, and the elasticity is increased by using an auxiliary spiral spring or a reed; the metal corrugated pipe is mainly applied to the effects of compensating the thermal deformation of a pipeline, damping, absorbing the settlement deformation of the pipeline and the like, and is widely applied to the industries of petrifaction, instruments, aerospace, chemical engineering, electric power, cement, metallurgy and the like; the corrugated pipe made of other materials such as plastics has irreplaceable effects in the fields of medium conveying, electric power threading, machine tools, household appliances and the like.

The prior corrugated pipe needs to be subjected to sizing and cutting treatment through a cutting device in the actual use process, but due to the structural characteristics of the corrugated pipe, the following problems mainly exist in the cutting process:

the utility model provides a, what current bellows cutting equipment adopted is that the rotary cutter head carries out the mode of cutting to the bellows, because the cutting knife edge of a knife and the thickness of blade vary, and the tool bit feeds the in-process and can exert pressure to the bellows, leads to bellows incision department to take place deformation, can lead to bellows cutting plane unevenness, influences the quality of bellows.

The existing corrugated pipe cutting equipment only has one cutting executing piece, and can only cut the corrugated pipe once when the quality of the cut of the corrugated pipe is required to be ensured to be the same, so that the cutting efficiency is low.

Disclosure of Invention

The technical problem to be solved is as follows: the double-head synchronous cutting equipment for the corrugated pipe can solve the problems existing in the cutting of the corrugated pipe.

The technical scheme is as follows: in order to achieve the purpose, the invention adopts the following technical scheme that the double-head synchronous cutting equipment for the corrugated pipe comprises a base, a distance component, a cutting component, a fixing component, a rotating component and an auxiliary component, wherein the distance component is installed on the upper end face of the base, the cutting component is symmetrically connected to the distance component in a left-right mode, the fixing component is fixedly connected to the upper end face of the base in a left-right mode, the rotating component is arranged between the two fixing components, the lower end of the rotating component is installed at the upper end of the base, the auxiliary component is arranged above the rotating component, and the lower end of the auxiliary component is fixedly installed at the upper end of the base.

Distance subassembly includes spout seat, lead screw support frame, double thread lead screw, rotating wheel dish, guide arm and lead screw slider, base up end bilateral symmetry fixedly connected with spout seat, two a plurality of locating holes have been seted up to the terminal surface that the spout seat was kept away from mutually, two all install the lead screw support frame, two through electronic slider on the spout seat rotate between the lead screw support frame and be connected with double thread lead screw, double thread lead screw left end fixedly connected with rotating wheel dish, the bilateral symmetry is provided with the guide arm about the double thread lead screw, guide arm both ends fixed connection is on two lead screw support frames, and bilateral symmetry threaded connection has the lead screw slider on the double thread lead screw, and the outer wall at the guide arm is established through sliding fit mode cover to the lead screw slider.

Fixed subassembly includes fix support frame, slide pipe, sleeve, threaded rod, stopper, connecting rod, sizing mechanism and carriage release lever, the fix support frame is installed to the base upper end, and sliding connection has the slide pipe on the fix support frame, slide pipe surface longitudinal symmetry is provided with the convex strip, and the slide pipe inner wall is equipped with the screw thread, and the outside cover of slide pipe is equipped with the sleeve, sleeve fixed mounting is on fix support frame, and the inside threaded connection of slide pipe has the threaded rod, and the threaded rod right-hand member is connected with the stopper through the bearing, and the slide pipe surface is close to stopper department and rotates through the hinge front and back symmetry and be connected with the connecting rod, two the one end that the slide pipe was kept away from to the connecting rod is all rotated and is connected with sizing mechanism, symmetrical sliding connection has the carriage release lever around on the stopper, and the one end fixed connection that the stopper was kept away from to the carriage release lever is in sizing mechanism.

According to a preferable technical scheme of the invention, the cutting assembly comprises a tool rest, cutting motors and cutting blades, the tool rest is fixedly connected to the front end surfaces of the two lead screw sliding blocks, the cutting motors are fixedly connected to the outer surfaces of the tool rest through motor supports, the cutting blades are fixedly connected to output shafts of the cutting motors, and the cutting blades are rotatably connected to the tool rest.

As a preferred technical scheme, the sizing mechanism comprises a deformation sheet, a bolt rod, a sizing block and a nut, wherein the deformation sheet is fixedly connected to one end, far away from the limiting block, of the movable rod, the bolt rod is fixedly connected to the end face, close to the movable rod, of the deformation sheet in an up-and-down symmetrical mode, the sizing block is fixedly connected to the middle of the movable rod, sliding holes are symmetrically formed in the sizing block in the up-and-down symmetrical mode, the bolt rod is in sliding fit with the sliding holes in the sizing block, and the nut is rotatably connected to one end, far away from the deformation sheet, of the bolt rod.

As a preferred technical scheme of the invention, the rotating assembly comprises a rotating shell, a U-shaped frame, a hydraulic push rod, a rotating roller and a rotating motor, wherein the rotating shell is fixedly arranged on the upper end surface of the base, the hydraulic push rod is fixedly arranged on the bottom surface inside the rotating shell, the upper end of the hydraulic push rod is fixedly connected with the U-shaped frame, the rotating rollers are rotatably connected to two side walls of the U-shaped frame, the rotating motor is fixedly connected to the right end surface of the U-shaped frame through a motor support, and the output end of the rotating motor is connected with the front rotating roller.

As a preferred technical scheme, the auxiliary assembly comprises an auxiliary support, spring telescopic rods, roller frames and auxiliary rollers, the auxiliary support is mounted on the upper end face of the base and is of an L-shaped structure, the spring telescopic rods are symmetrically and fixedly connected to the front and back of the lower end of the horizontal end of the auxiliary support, the roller frames are fixedly connected to the lower ends of the two spring telescopic rods, and the auxiliary rollers are rotatably connected to the inner portions of the roller frames.

In a preferred embodiment of the present invention, the deformable plate is an elastic steel plate, and a plurality of sliding-assisting balls are rotatably connected to an end surface of the deformable plate away from the moving rod.

As a preferable technical scheme of the invention, the outer surface of the sleeve is provided with a threaded through hole, and the inside of the threaded through hole is in threaded connection with a positioning bolt.

As a preferable technical scheme of the invention, the middle part of the end surface of the deformation sheet close to the cutting assembly far away from the moving rod is provided with a cutter groove.

Has the advantages that: firstly, the inner wall of the corrugated pipe is supported by the fixing assembly and the sizing mechanism, and the pressure of the cutter head on the corrugated pipe is blocked from the inside in the feeding process of the cutting knife, so that the cutting surface of the corrugated pipe is smoother, and the cutting quality of the corrugated pipe is improved.

The corrugated pipe cutting device is provided with the two cutting assemblies, so that the corrugated pipe can be cut simultaneously when being cut, the quality of cut openings is guaranteed to be the same, and the cutting efficiency of the cutting device is improved.

Third, the corrugated pipes with different lengths and different diameters can be cut by arranging the distance component and the sizing mechanism, and the application flexibility of the corrugated pipe cutting equipment is improved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a first view structure diagram of the present invention.

Fig. 2 is a second perspective structural diagram of the present invention.

FIG. 3 is an enlarged view of the M-direction of FIG. 2 according to the present invention.

FIG. 4 is a schematic top view of the present invention.

FIG. 5 is a schematic view of the structure of FIG. 4 along the line A-A.

FIG. 6 is a schematic view of the present invention.

In the figure: 1. a base; 2. a distance assembly; 21. a chute seat; 22. a lead screw support frame; 23. a double-threaded lead screw; 24. rotating the wheel disc; 25. a guide bar; 26. a lead screw slider; 3. a cutting assembly; 31. a tool holder; 32. cutting the motor; 33. a cutting blade; 4. a fixing component; 41. fixing a support frame; 42. a slide pipe; 43. a sleeve; 44. a threaded rod; 45. a limiting block; 46. a connecting rod; 47. a sizing mechanism; 471. a deformable sheet; 472. a bolt shank; 473. sizing blocks; 474. a nut; 48. a travel bar; 5. a rotating assembly; 51. rotating the housing; 52. a U-shaped frame; 53. a hydraulic push rod; 54. rotating the roller; 55. rotating the motor; 6. an auxiliary component; 61. an auxiliary support; 62. a spring telescopic rod; 63. a roller frame; 64. and (5) auxiliary rollers.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

Referring to fig. 1 and 2, a synchronous cutting equipment of bellows double-end, including base 1, distance subassembly 2, cutting assembly 3, fixed subassembly 4, runner assembly 5 and auxiliary assembly 6, distance subassembly 2 is installed to base 1 up end, and bilateral symmetry is connected with cutting assembly 3 on the distance subassembly 2, base 1 up end bilateral symmetry fixedly connected with fixed subassembly 4 is provided with runner assembly 5 between two fixed subassemblies 4, and the upper end at base 1 is installed to 5 lower extremes of runner assembly, and the 5 top of runner assembly is provided with

auxiliary assembly

6, 6 lower extreme fixed mounting of auxiliary assembly is in the upper end of base 1.

Referring to fig. 1, the distance assembly 2 includes a chute seat 21, a screw support frame 22, a double-thread screw 23, a rotating wheel disc 24, a guide rod 25 and a screw slider 26, the chute seat 21 is fixedly connected with the bilateral symmetry of the upper end surface of the base 1, two a plurality of locating holes are opened on the end surface of the chute seat 21 away from each other, two the screw support frame 22 is installed on the chute seat 21 through an electric slider, two the double-thread screw 23 is rotatably connected between the screw support frames 22, the rotating wheel disc 24 is fixedly connected with the left end of the double-thread screw 23, the guide rod 25 is symmetrically arranged on the upper side and the lower side of the double-thread screw 23, two ends of the guide rod 25 are fixedly connected on the two screw support frames 22, the double-thread screw 23 is connected with the screw slider 26 through the bilateral symmetry screw, and the screw slider 26 is sleeved on the outer wall of the guide rod 25 through a sliding fit mode.

During specific work, according to the bellows diameter of the required cutting of reality, thereby insert the locating hole on the chute seat 21 with the pin and restrict the feed volume of lead screw support frame 22, artifical start-up electronic slider, electronic slider drives lead screw support frame 22 and removes, make cutting assembly 3 reach required cutting position, artifical rotatory rotary table 24, rotary table 24 drives double thread lead screw 23 and rotates, guide arm 25 plays the effect of direction to lead screw slider 26, double thread lead screw 23 rotates and makes two lead screw slider 26 is close to each other or keeps away from each other, thereby realize the function of the required cutting length of definite bellows, when the cutting bellows, thereby artifical start-up electronic slider removes and drives cutting assembly 3 and feed.

Referring to fig. 2 and 3, the sizing mechanism 47 includes a deformable piece 471, a bolt rod 472, a sizing block 473 and a nut 474, the deformable piece 471 is fixedly connected to one end of the moving rod 48 away from the limiting block 45, the deformable piece 471 is an elastic steel sheet, the end surface of the deformable piece 471 away from the moving rod 48 is rotatably connected to a plurality of auxiliary sliding balls, a cutter groove is formed in the middle of the end surface of the deformable piece 471 close to the cutting assembly 3, the end surface of the deformable piece 471 close to the moving rod 48 is vertically and symmetrically and fixedly connected to the bolt rod 472, the middle of the moving rod 48 is fixedly connected to the sizing block 473, sliding holes are formed in the sizing block 473 in an up-down symmetrical manner, the bolt rod 472 is in sliding fit with the sliding hole in the sizing block 473, and the nut 474 is rotatably connected to one end of the bolt rod 472 away from the deformable piece 471.

During specific work, according to the bellows diameter of actual cutting, artifical swivel nut 474 makes the deformation piece 471 take place deformation, when the arc diameter of deformation piece 471 is the same with the internal diameter of the bellows of cutting, thereby stop swivel nut 474 and realized the function that deformation piece 471 and bellows inner wall agree with, ball on the deformation piece 471 plays the effect that reduces frictional force and supplementary pivoted when the bellows rotates, the sword groove on the deformation piece 471 is convenient for cut the feeding of subassembly 3, be convenient for cut subassembly 3 and run through the pipe wall of bellows, the phenomenon of not completely separating appears after cutting subassembly 3 cuts in the bellows has been avoided.

Referring to fig. 2 and 3, the fixing assembly 4 includes a fixing support frame 41, a sliding tube 42, a sleeve 43, a threaded rod 44, a limiting block 45, a connecting rod 46, a sizing mechanism 47 and a moving rod 48, the fixing support frame 41 is installed at the upper end of the base 1, the sliding tube 42 is connected to the fixing support frame 41 in a sliding manner, convex strips are symmetrically arranged on the outer surface of the sliding tube 42 in an up-down manner, threads are arranged on the inner wall of the sliding tube 42, the sleeve 43 is sleeved outside the sliding tube 42, a threaded through hole is formed in the outer surface of the sleeve 43, a positioning bolt is connected to the inner portion of the threaded through hole in a threaded manner, the sleeve 43 is fixedly installed on the fixing support frame 41, the threaded rod 44 is connected to the inner portion of the sliding tube 42 in a threaded manner, the limiting block 45 is connected to the right end of the sliding tube 44 through a bearing, the connecting rod 46 is rotatably connected to the position, which is close to the limiting block 45, through the hinge in a front-back symmetrical manner, one end of the two connecting rods 46, which is far away from the sliding tube 42, is rotatably connected to the sizing mechanism 47, the limiting block 45 is connected with a moving rod 48 in a sliding mode, and one end, far away from the limiting block 45, of the moving rod 48 is fixedly connected to the sizing mechanism 47.

During specific work, according to the length of the actual required cutting of bellows, the manual work promotes slide tube 42 and makes the one end of installing sizing mechanism 47 get into inside the bellows, later the manual positioning bolt of screwing fixes a position and fixes a position slide tube 42, then the manual work rotates threaded rod 44, threaded rod 44 drives stopper 45 and retreats, connecting rod 46 atress takes place to rotate and drives sizing mechanism 47 and move, sizing mechanism 47 drives movable rod 48 and outwards stretches out, sizing mechanism 47 pastes tightly with the bellows inside wall afterwards, thereby realize the function of supporting the bellows.

Referring to fig. 2 and 5, the rotating assembly 5 includes a rotating housing 51, a U-shaped frame 52, a hydraulic push rod 53, a rotating roller 54 and a rotating motor 55, the upper end surface of the base 1 is fixedly provided with the rotating housing 51, the bottom surface inside the rotating housing 51 is fixedly provided with the hydraulic push rod 53, the upper end of the hydraulic push rod 53 is fixedly connected with the U-shaped frame 52, the two side walls of the U-shaped frame 52 are rotatably connected with the rotating roller 54, the right end surface of the U-shaped frame 52 is fixedly connected with the rotating motor 55 through a motor bracket, and the output end of the rotating motor 55 is connected with the front rotating roller 54.

Referring to fig. 1 and 6, the auxiliary assembly 6 includes an auxiliary support 61, a spring telescopic rod 62, a roller frame 63 and an auxiliary roller 64, the auxiliary support 61 is installed on the upper end surface of the base 1, the auxiliary support 61 is of an L-shaped structure, the front and back symmetrical spring telescopic rods 62 are fixedly connected to the lower end of the horizontal end of the auxiliary support 61, the lower ends of the two spring telescopic rods 62 are fixedly connected to the roller frame 63, and the inside of the roller frame 63 is rotatably connected to the auxiliary roller 64.

During specific work, the corrugated pipe is placed on the rotating roller 54 by the machine, the output end of the hydraulic push rod 53 extends out, the output end of the hydraulic push rod 53 drives the U-shaped frame 52 to move upwards, so that the upper part of the outer surface of the corrugated pipe is close to the auxiliary roller 64, then the corrugated pipe is clamped by the rotating roller 54 and the auxiliary roller 64, the rotating motor 55 is started manually, and the rotating motor 55 drives the rotating roller 54 to rotate, so that the function of corrugated pipe rotation is realized.

Referring to fig. 4, the cutting assembly 3 includes a tool post 31, a cutting motor 32 and a cutting blade 33, the tool post 31 is fixedly connected to both front end surfaces of the two screw sliders 26, the cutting motor 32 is fixedly connected to the outer surface of the tool post 31 through a motor bracket, the cutting blade 33 is fixedly connected to an output shaft of the cutting motor 32, and the cutting blade 33 is rotatably connected to the tool post 31.

During specific work, the cutting motor 32 is manually started, and the cutting motor 32 rotates to drive the cutting blade 33 to rotate, so that the corrugated pipe is cut.

S1: the machine places the bellows on the rotating roller 54, and manually starts the hydraulic push rod 53, and the hydraulic push rod 53 extends upwards to drive the U-shaped frame 52 to move, so that the bellows is clamped by the rotating roller 54 and the auxiliary roller 64.

S2: the rotating wheel disc 24 is manually rotated, the rotating wheel disc 24 drives the double-thread screw 23 to slide, the length required by the corrugated pipe to be cut is determined, and then pins are inserted into the positioning holes in the chute seat 21 according to the diameter of the corrugated pipe required to be cut actually, so that the feeding amount of the screw support frame 22 is limited.

S3: according to the diameter of the actually cut corrugated pipe, the nut 474 is rotated manually to enable the deformation piece 471 to deform so that the arc diameter of the deformation piece 471 is the same as the inner diameter of the cut corrugated pipe, according to the length of the actually required cut corrugated pipe, the sliding pipe 42 is pushed manually to enable one end provided with the sizing mechanism 47 to enter the corrugated pipe, then the positioning bolt is screwed manually to position the sliding pipe 42, then the threaded rod 44 is rotated manually, the threaded rod 44 drives the limiting block 45 to retreat, the connecting rod 46 is rotated under stress and drives the sizing mechanism 47 to move, the sizing mechanism 47 drives the moving rod 48 to extend outwards, and then the sizing mechanism 47 is attached to the inner wall of the corrugated pipe tightly.

S4: manual start rotates motor 55, rotates motor 55 and drives rotation gyro wheel 54 and rotate, further drives the bellows and rotates, and manual start cutting motor 32, cutting motor 32 drive cutting blade 33 and rotate, thereby remove through electronic slider and drive cutting blade 33 and feed after that, realize the cutting to the bellows.

S5: the threaded rod 44 is rotated manually, the threaded rod 44 drives the limiting block 45 to advance, the connecting rod 46 is stressed to rotate and drives the sizing mechanism 47 to move, the sizing mechanism 47 is enabled to be not attached to the inner wall of the corrugated pipe, then the positioning bolt is loosened manually, the sliding pipe 42 is pulled manually, the sizing mechanism 47 is enabled to be withdrawn from the inside of the corrugated pipe, the hydraulic push rod 53 is started manually, the hydraulic push rod 53 contracts downwards to drive the U-shaped frame 52 to move, and then the corrugated pipe is blanked by a machine.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a synchronous cutting equipment of bellows double-end, includes base (1), distance subassembly (2), cutting assembly (3), fixed subassembly (4), runner assembly (5) and auxiliary assembly (6), its characterized in that: the cutting machine is characterized in that a distance assembly (2) is mounted on the upper end face of the base (1), cutting assemblies (3) are symmetrically connected to the distance assembly (2) from left to right, fixed assemblies (4) are fixedly connected to the upper end face of the base (1) from left to right, a rotating assembly (5) is arranged between the two fixed assemblies (4), the lower end of the rotating assembly (5) is mounted at the upper end of the base (1), an auxiliary assembly (6) is arranged above the rotating assembly (5), and the lower end of the auxiliary assembly (6) is fixedly mounted at the upper end of the base (1); wherein:

the distance assembly (2) comprises sliding groove seats (21), lead screw supporting frames (22), double-thread lead screws (23), rotating wheel discs (24), guide rods (25) and lead screw sliding blocks (26), the sliding groove seats (21) are fixedly connected with the upper end face of the base (1) in a bilateral symmetry mode, a plurality of positioning holes are formed in the end faces, far away from the sliding groove seats (21), the lead screw supporting frames (22) are installed on the sliding groove seats (21) through electric sliding blocks, the double-thread lead screws (23) are rotatably connected between the two lead screw supporting frames (22), the rotating wheel discs (24) are fixedly connected with the left ends of the double-thread lead screws (23), the guide rods (25) are symmetrically arranged on the upper side and the lower side of the double-thread lead screws (23), the two ends of the guide rods (25) are fixedly connected onto the two lead screw supporting frames (22), and the lead screw sliding blocks (26) are in a bilateral symmetry threaded connection on the double-thread lead screws (23), the lead screw sliding block (26) is sleeved on the outer wall of the guide rod (25) in a sliding fit mode;

the fixed component (4) comprises a fixed support frame (41), a sliding pipe (42), a sleeve (43), a threaded rod (44), a limiting block (45), a connecting rod (46), a sizing mechanism (47) and a moving rod (48), the fixed support frame (41) is installed at the upper end of the base (1), the sliding pipe (42) is connected to the fixed support frame (41) in a sliding mode, convex strips are symmetrically arranged on the outer surface of the sliding pipe (42) in an up-and-down mode, threads are arranged on the inner wall of the sliding pipe (42), the sleeve (43) is sleeved outside the sliding pipe (42), the sleeve (43) is fixedly installed on the fixed support frame (41), the threaded rod (44) is connected to the inner threads of the sliding pipe (42), the limiting block (45) is connected to the right end of the threaded rod (44) through a bearing, and the connecting rod (46) is rotatably connected to the outer surface of the sliding pipe (42) close to the limiting block (45) through the hinge in a front-and back mode, two the one end that slide pipe (42) were kept away from in connecting rod (46) all rotates and is connected with sizing mechanism (47), symmetrical sliding connection has carriage release lever (48) around on stopper (45), and the one end fixed connection that stopper (45) were kept away from in carriage release lever (48) is on sizing mechanism (47).

2. The double-head synchronous cutting device for corrugated pipes as claimed in claim 1, wherein: cutting subassembly (3) are including knife rest (31), cutting motor (32) and cutting blade (33), two the equal fixedly connected with knife rest (31) of the preceding terminal surface of lead screw slider (26), motor support fixedly connected with cutting motor (32) are passed through to knife rest (31) surface, cutting motor (32) output shaft fixedly connected with cutting blade (33), and cutting blade (33) rotate to be connected on knife rest (31).

3. The double-head synchronous cutting device for corrugated pipes as claimed in claim 1, wherein: the sizing mechanism (47) comprises a deformation sheet (471), a bolt rod (472), a sizing block (473) and a nut (474). One end fixedly connected with deformation piece (471) that stopper (45) were kept away from in carriage release lever (48), deformation piece (471) are close to terminal surface upper and lower symmetry fixedly connected with bolt bar (472) of carriage release lever (48), carriage release lever (48) middle part fixedly connected with sizing piece (473), sliding hole has been seted up to sizing piece (473) longitudinal symmetry, sliding hole sliding fit on bolt bar (472) and sizing piece (473), the one end rotation that deformation piece (471) was kept away from in bolt bar (472) is connected with nut (474).

4. The double-head synchronous cutting device for corrugated pipes as claimed in claim 1, wherein: rotating assembly (5) are including rotating shell (51), U type frame (52), hydraulic push rod (53), rotate gyro wheel (54) and rotate motor (55), base (1) up end fixed mounting has rotation shell (51), rotates the inside bottom surface fixed mounting of shell (51) and has hydraulic push rod (53), and hydraulic push rod (53) upper end fixedly connected with U type frame (52), all rotate on U type frame (52) both sides wall and be connected with rotation gyro wheel (54), through motor support fixedly connected with rotation motor (55) on U type frame (52) right-hand member face, the output that rotates motor (55) is connected with front side rotation gyro wheel (54).

5. The double-head synchronous cutting device for corrugated pipes as claimed in claim 1, wherein: auxiliary assembly (6) include auxiliary stand (61), spring telescopic link (62), gyro wheel frame (63) and supplementary gyro wheel (64), auxiliary stand (61) are installed to the up end of base (1), and auxiliary stand (61) are L type structure, and symmetrical fixedly connected with spring telescopic link (62), two around auxiliary stand (61) horizontal end lower extreme the equal fixedly connected with gyro wheel frame (63) of lower extreme of spring telescopic link (62), inside all rotation of gyro wheel frame (63) are connected with supplementary gyro wheel (64).

6. The double-head synchronous cutting device for corrugated pipes as claimed in claim 3, wherein: the deformation sheet (471) is an elastic steel sheet, and the end face, far away from the moving rod (48), of the deformation sheet (471) is rotatably connected with a plurality of auxiliary sliding balls.

7. The double-head synchronous cutting device for corrugated pipes as claimed in claim 1, wherein: the outer surface of the sleeve (43) is provided with a threaded through hole, and the inside of the threaded through hole is in threaded connection with a positioning bolt.

8. The double-head synchronous cutting device for corrugated pipes as claimed in claim 3, wherein: the middle part of the end surface of the deformation sheet (471) close to the cutting assembly (3) far away from the moving rod (48) is provided with a cutter groove.