A positioning clamping device and method for producing and processing double-wall corrugated pipes

Abstract

The present invention relates to the technical field of double-wall corrugated pipe processing equipment, and proposes a positioning and clamping device and method for the production and processing of double-wall corrugated pipes, including: a workbench and a support seat fixedly connected to the top of the workbench, the double-wall corrugated pipe is placed on the top of the support seat, and the top of the support seat is provided with an auxiliary clamper for synchronously clamping the inner and outer sides of the double-wall corrugated pipe, and the auxiliary clamper includes a second connection plate respectively arranged at both ends of the double-wall corrugated pipe. The present invention arranges the auxiliary clamper so that when the four clamping blocks are respectively against the inner wall of the double-wall corrugated pipe, the four clamping blocks embrace the outer wall of the double-wall corrugated pipe, so that the clamped part of the double-wall corrugated pipe will not be sunken inward, thereby improving the stability of the clamping of the double-wall corrugated pipe and avoiding the shaking of the double-wall corrugated pipe during the processing.

Description

Technical Field

[0001] The invention relates to the technical field of double-wall corrugated pipe processing equipment, and in particular to a positioning clamping device and method for producing and processing double-wall corrugated pipes. Background Art

[0002] Double-wall corrugated pipe is a new type of pipe with an annular outer wall and a smooth inner wall. It is made of high-density polyethylene and has excellent chemical stability, aging resistance and environmental stress cracking resistance.

[0003] A Chinese patent with announcement number CN221160579U discloses a high-temperature resistant HDPE double-wall corrugated pipe processing and fixing device, which can achieve multi-point fixation and adjust the fixing position effect according to needs through the cooperation of an assembly table with independently adjustable position and a fixing seat with fixed position, thereby improving the fixing effect and practicality of the device.

[0004] Although the above patent can realize multi-point fixation during the processing of double-wall corrugated pipes, the outer wall of the double-wall corrugated pipes is clamped by a clamping device. Since the double-wall corrugated pipes are corrugated and have a certain elasticity, the clamping device can only clamp the outer ring part, which can easily cause the double-wall corrugated pipes to shake after clamping, thereby affecting the processing accuracy. In addition, clamping the outer wall can easily cause the clamping part to be unable to be processed, thereby reducing the efficiency of double-wall corrugated pipe processing. Summary of the invention

[0005] The invention provides a positioning and clamping device and method for producing and processing double-wall corrugated pipes, which can well position and clamp the double-wall corrugated pipes and is easy to use.

[0006] The technical solution of the present invention is as follows: A positioning and clamping device for the production and processing of double-wall corrugated pipes, comprising: a workbench and a support seat fixedly connected to the top of the workbench, the double-wall corrugated pipe is placed on the top of the support seat, and the top of the support seat is provided with an auxiliary clamp for synchronously clamping the inner and outer sides of the double-wall corrugated pipe, the auxiliary clamp includes a second connecting plate respectively arranged at both ends of the double-wall corrugated pipe, the inner side of the second connecting plate is fixedly connected with a support, one end of the support is fixedly connected with a resistance ring, and one side of the support is provided with a clamping block.

[0007] As a further scheme of the present invention: the outer walls on both sides of the support seat are fixedly connected with a first fixed seat, a driving motor is installed on one side of the first fixed seat, the output end of the driving motor is connected with a one-way threaded screw, and one end of the one-way threaded screw passes through the inner side of the first fixed seat and is rotatably connected to the first fixed seat, the inner side of the first fixed seat is located above the one-way threaded screw and is fixedly connected with a rectangular guide rod, both sides of the two second connecting plates are fixedly connected with sliders, one group of the sliders is fixedly connected to the support seat, and the other group of the sliders are respectively sleeved on the outer walls of the one-way threaded screw and the rectangular guide rod, and the inner side of the other group of the sliders is provided with a threaded groove matching the one-way threaded screw.

[0008] As a further solution of the present invention: the auxiliary clamp also includes a hydraulic cylinder installed on the inner side of the second connecting disk, the output end of the hydraulic cylinder penetrates through the outside of the second connecting disk and is fixedly connected to the first connecting disk, the inner side of the first connecting disk is fixedly connected to a sliding rod, one end of the sliding rod penetrates through the inner side of the second connecting disk and is slidably connected to the second connecting disk, the inner side of the support is slidably connected to a rectangular rod, one end of the rectangular rod is fixedly connected to a clamping block, one side of the clamping block is provided with an inclined surface, the outer wall of the sliding rod is fixedly connected to a first spherical rod, and the first spherical rod is against the inclined surface, the other end of the rectangular rod penetrates through the inner side of the support and is fixedly connected to a second circular ring, a second connecting spring is installed between the second circular ring and the support, the inner side of the support is fixedly connected to a second fixed seat, the outer walls on both sides of the clamping block are fixedly connected to a rotating shaft, one end of the rotating shaft penetrates through the outside of the second fixed seat and is rotatably connected to the second fixed seat, a torsion spring is installed between the rotating shaft and the second fixed seat, and a toggle device for toggling the clamping block to rotate is provided on the inner side of the support.

[0009] As a further solution of the present invention: the toggle device includes a traction rod slidably connected to the inner side of the second fixed seat, one end of the traction rod is fixedly connected to a connecting block, the inner side of the connecting block is respectively fixedly connected to a sliding pin and a second auxiliary spring, and one end of the second auxiliary spring is fixedly connected to the second fixed seat, the outer wall of the sliding pin is sleeved with a sliding frame, the inner side of the sliding frame is rotatably connected to a pushing wheel, and the pushing wheel is attached to the outer wall of the clamping block, a first auxiliary spring is installed between the sliding frame and the connecting block, one side of the sliding rod is fixedly connected to a connecting rod, one side of the connecting rod is fixedly connected to a U-shaped power rod, and the U-shaped power rod is fixedly connected to the connecting block.

[0010] As a further solution of the present invention: the positioning and clamping device for the production and processing of double-wall corrugated pipes also includes a switching auxiliary part, which is located on the outside of the clamping block and is used to assist the clamping block in position switching; the switching auxiliary part includes a stand fixedly connected to the top of the second fixed seat, the inner side of the stand is fixedly connected to a second spherical rod, the inner side of the sliding frame is slidably connected to a latch, one end of the latch passes through the interior of the sliding pin, and the other end of the latch passes through the outside of the sliding frame and is fixedly connected to a pulling column, an oblique groove is provided on the inner side of the pulling column, and a third connecting spring is fixedly connected to the bottom of the pulling column, one end of the third connecting spring is fixedly connected to the sliding frame, and a baffle is fixedly connected to the inner side of the support, and the baffle is attached to one side of the sliding frame.

[0011] As a further solution of the present invention: a rectangular groove matching the sliding pin is provided on the inner side of the sliding frame, and a fixing hole matching the latch is provided on the inner side of the sliding pin.

[0012] As a further solution of the present invention: the positioning and clamping device for the production and processing of double-wall corrugated pipes also includes an auxiliary clamping assembly, which is located on the inner side of the clamping block and is used to assist the clamping block in fixing the double-wall corrugated pipe. The auxiliary clamping assembly includes a plurality of clamping rods slidably connected to the inner side of the clamping block, one end of the clamping rod passes through the outer wall of the clamping block and is fixedly connected to a first ring, and a first connecting spring is installed between the first ring and the clamping block.

[0013] The present invention also discloses a positioning and clamping method for producing and processing double-wall corrugated pipes, which adopts the positioning and clamping device for producing and processing double-wall corrugated pipes, and comprises the following steps:

[0014] S1. First, place the double-walled corrugated pipe to be processed on the support seat, and then fit the support seat to the end of one of the abutment rings. Then, start the drive motor. The output end of the drive motor drives the one-way threaded screw to rotate, thereby driving the slider to drive the other abutment ring to abut against the other end of the double-walled corrugated pipe, thereby limiting the two ends of the double-walled corrugated pipe.

[0015] S2. After the two ends of the double-walled corrugated pipe are limited, the hydraulic cylinders on the inner sides of the two second connecting plates are started, and the output ends of the hydraulic cylinders drive the first connecting plate to drive the four first spherical rods to move toward the inner side of the double-walled corrugated pipe through the sliding rod. Under the action of the inclined surface, the clamping block is pushed to drive the rectangular rod to move toward the inner wall of the double-walled corrugated pipe. When the sliding rod initially stops moving, the four clamping blocks are respectively against the inner wall of the double-walled corrugated pipe, thereby clamping the double-walled corrugated pipe. When the sliding rod moves, the four connecting rods are driven to move synchronously, thereby respectively pushing the sliding frame through the connecting block to drive the driving wheel to move in the direction of the clamping block, and then pushing the clamping block to rotate in the direction of the double-walled corrugated pipe. When the four clamping blocks are respectively against the inner wall of the double-walled corrugated pipe, the four clamping blocks embrace the outer wall of the double-walled corrugated pipe, thereby improving the stability of clamping the double-walled corrugated pipe and avoiding shaking of the double-walled corrugated pipe during processing;

[0016] S3, when the clamping block rotates toward the double-walled corrugated pipe, it drives the multiple clamping rods to rotate synchronously. When the clamping rod contacts the outer wall of the double-walled corrugated pipe, the clamping rod is pushed to slide relative to the clamping block under the action of the outer wall shape of the double-walled corrugated pipe, so that the clamping rod can press the double-walled corrugated pipe under the action of the first connecting spring, so that when the clamping block embraces the outer wall of the double-walled corrugated pipe, the multiple clamping rods can press on the concave part of the double-walled corrugated pipe, thereby improving the clamping stability of the clamping block;

[0017] S4, when the hydraulic cylinder stops running for the first time, the end face of the second spherical rod is located at the notch of the inclined groove, and when the clamping block is against the outer wall of the double-walled corrugated pipe, the first spherical rod and the inclined surface are in a separated state, and the first spherical rod is against the plane of the clamping block. When the clamping part of the double-walled corrugated pipe needs to be processed, the hydraulic cylinder can be started again, and the output end of the hydraulic cylinder continues to push the sliding rod to drive the connecting rod to move toward the double-walled corrugated pipe, so that the first spherical rod will slide on the back plane of the clamping block and can resist the clamping block at the same time, and then the U-shaped power rod will push the connecting block to drive the pulling column to move toward the second spherical rod, so that the spherical surface of the end of the second spherical rod contacts the inclined groove, and under the action of the inclined groove, the pulling column is pushed to drive the pin to move upward, so that the pin is pulled out from the inside of the sliding pin When the first lever is in the air, the first spring pushes the second lever to move forward and the second lever is in the air, so that the push wheel can be pushed back and the push wheel can be pushed back and the push wheel can be pushed back and the push wheel can be pushed back and the push wheel can be pushed back and the push wheel can be pushed back and the push wheel can be pushed back and the push wheel can be pushed back and the push wheel can be pushed back and the push wheel can be pushed back and the push wheel can be pushed back and the second lever is in the air, so that the push wheel can be pushed back and the push wheel can be pushed back and the push wheel can be pushed back and the second lever is in the air, so that the push wheel

[0018] The working principle and beneficial effects of the present invention are:

[0019] 1. By setting the auxiliary clamp, when the four clamping blocks are respectively against the inner wall of the double-wall corrugated pipe, the four holding blocks embrace the outer wall of the double-wall corrugated pipe, so that the clamped part of the double-wall corrugated pipe will not be sunken inward, thereby improving the stability of the clamping of the double-wall corrugated pipe and avoiding the shaking of the double-wall corrugated pipe during the processing;

[0020] 2. By setting an auxiliary clamping assembly, when the clamping block rotates toward the double-walled corrugated pipe, it drives multiple clamping rods to rotate synchronously. When the clamping rod contacts the outer wall of the double-walled corrugated pipe, the clamping rod is pushed to slide relative to the clamping block under the action of the outer wall shape of the double-walled corrugated pipe, so that the clamping rod can form a clamp on the double-walled corrugated pipe under the action of the first connecting spring, so that when the clamping block embraces the outer wall of the double-walled corrugated pipe, multiple clamping rods can be pressed on the concave part of the double-walled corrugated pipe, thereby improving the clamping stability of the clamping block;

[0021] 3. By setting the switching auxiliary parts, the clamping block can be released to fix the outer wall of the double-wall corrugated pipe, so as to facilitate the processing of the clamping part of the double-wall corrugated pipe without changing the clamping position, thereby improving the overall practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0023] Figure 1 It is a structural schematic diagram of the present invention;

[0024] Figure 2 It is a schematic diagram of the top structure of the support base of the present invention;

[0025] Figure 3 It is a schematic diagram of the inner structure of the second connecting disk of the present invention;

[0026] Figure 4 For the present invention Figure 3 Enlarged view of point A in the middle;

[0027] Figure 5 It is a schematic diagram of the structure of the clamping block of the present invention;

[0028] Figure 6 It is a schematic diagram of the top structure of the support of the present invention;

[0029] Figure 7 For the present invention Figure 6 Enlarged view of point B in the middle;

[0030] Figure 8 It is a cross-sectional view of the sliding frame of the present invention.

[0031] In the figure: 1, workbench; 2, support seat; 3, double-walled corrugated pipe; 4, first fixed seat; 5, one-way threaded screw; 6, rectangular guide rod; 7, slider; 8, contact ring; 9, drive motor; 10, first connecting plate; 11, clamping block; 12, holding block; 13, second connecting plate; 14, hydraulic cylinder; 15, sliding rod; 16, support; 17, clamping rod; 18, first ring; 19, first connecting spring; 20, driving wheel; 21, sliding frame; 22, connecting block ; 23. Sliding pin; 24. First auxiliary spring; 25. Second auxiliary spring; 26. Second fixed seat; 27. Baffle; 28. Connecting rod; 29. ​​U-shaped power rod; 30. Rotating shaft; 31. Torsion spring; 32. Traction rod; 33. Rectangular rod; 34. Second circular ring; 35. Second connecting spring; 36. First spherical rod; 37. Inclined surface; 38. Pulling column; 39. Stand; 40. Second spherical rod; 41. Latch; 42. Third connecting spring; 43. Bevel groove. DETAILED DESCRIPTION

[0032] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] Example 1: Please refer to Figures 1 to 8, This embodiment provides a positioning and clamping device for the production and processing of double-wall corrugated pipes, including;A workbench 1 and a support base 2 fixedly connected to the top of the workbench 1, a double-walled corrugated pipe 3 is placed on the top of the support base 2, and an auxiliary clamp for synchronously clamping the double-walled corrugated pipe 3 inside and outside is arranged on the top of the support base 2, and the auxiliary clamp includes a second connecting plate 13 respectively arranged at both ends of the double-walled corrugated pipe 3, and the inner side of the second connecting plate 13 is fixedly connected with a support 16, one end of the support 16 is fixedly connected with a resistance ring 8, and one side of the support 16 is provided with a clamping block 12, and the outer walls of both sides of the support base 2 are fixedly connected with a first fixed base 4, and a driving motor 9 is installed on one side of the first fixed base 4, and the output end of the driving motor 9 is connected to a one-way threaded screw 5, and one end of the one-way threaded screw 5 passes through the inner side of the first fixed base 4 and rotates with the first fixed base 4 The inner side of the first fixed seat 4 is located above the one-way threaded screw 5 and is fixedly connected with a rectangular guide rod 6. Both sides of the two second connecting plates 13 are fixedly connected with sliders 7. One group of sliders 7 is fixedly connected to the support seat 2, and the other group of sliders 7 are respectively sleeved on the outer walls of the one-way threaded screw 5 and the rectangular guide rod 6, and the inner side of the other group of sliders 7 is provided with a thread groove matching the one-way threaded screw 5. The auxiliary clamp also includes a hydraulic cylinder 14 installed on the inner side of the second connecting plate 13. The output end of the hydraulic cylinder 14 passes through the outside of the second connecting plate 13 and is fixedly connected to the first connecting plate 10. The inner side of the first connecting plate 10 is fixedly connected with a sliding rod 15. One end of the sliding rod 15 passes through the inner side of the second connecting plate 13 and is slidably connected to the second connecting plate 13. A rectangular rod 33 is slidably connected to the inner side of the seat 16, one end of the rectangular rod 33 is fixedly connected to the clamping block 11, one side of the clamping block 11 is provided with an inclined surface 37, the outer wall of the sliding rod 15 is fixedly connected to the first spherical rod 36, and the first spherical rod 36 is against the inclined surface 37, the other end of the rectangular rod 33 passes through the inner side of the support 16 and is fixedly connected to the second ring 34, a second connecting spring 35 is installed between the second ring 34 and the support 16, the inner side of the support 16 is fixedly connected to the second fixed seat 26, the outer walls of both sides of the holding block 12 are fixedly connected to the rotating shaft 30, one end of the rotating shaft 30 passes through the outside of the second fixed seat 26 and is rotatably connected to the second fixed seat 26, a torsion spring 31 is installed between the rotating shaft 30 and the second fixed seat 26, the inner side of the support 16 A toggle device for toggling the clamping block 12 to rotate is provided on the side, and the toggle device includes a traction rod 32 slidably connected to the inner side of the second fixed seat 26, one end of the traction rod 32 is fixedly connected to the connecting block 22, the inner side of the connecting block 22 is respectively fixedly connected with a sliding pin 23 and a second auxiliary spring 25, and one end of the second auxiliary spring 25 is fixedly connected to the second fixed seat 26, the outer wall of the sliding pin 23 is sleeved with a sliding frame 21, the inner side of the sliding frame 21 is rotatably connected with a pushing wheel 20, and the pushing wheel 20 is attached to the outer wall of the clamping block 12, a first auxiliary spring 24 is installed between the sliding frame 21 and the connecting block 22, one side of the sliding rod 15 is fixedly connected to a connecting rod 28, one side of the connecting rod 28 is fixedly connected to a U-shaped power rod 29, and the U-shaped power rod 29 is fixedly connected to the connecting block 22;

[0034] First, place the double-walled corrugated pipe 3 to be processed on the support seat 2, and then fit the support seat 2 to the end of one of the abutment rings 8, then start the drive motor 9, and the output end of the drive motor 9 drives the one-way threaded screw 5 to rotate, thereby driving the slider 7 to drive the other abutment ring 8 to abut against the other end of the double-walled corrugated pipe 3, so as to limit the two ends of the double-walled corrugated pipe 3;

[0035] After the two ends of the double-walled corrugated pipe 3 are limited, the hydraulic cylinder 14 inside the two second connecting plates 13 is then started, and the output end of the hydraulic cylinder 14 drives the first connecting plate 10 to drive the four first spherical rods 36 to move toward the inside of the double-walled corrugated pipe 3 through the sliding rod 15. Under the action of the inclined surface 37, the clamping block 11 is pushed to drive the rectangular rod 33 to move toward the inner wall of the double-walled corrugated pipe 3. When the sliding rod 15 initially stops moving, the four clamping blocks 11 are respectively against the inner wall of the double-walled corrugated pipe 3, thereby clamping the double-walled corrugated pipe 3. When the sliding rod 15 moves, it will drive the four connecting rods 28 to move synchronously, thereby pushing the sliding frame 21 through the connecting block 22 to drive the driving wheel 20 to move in the direction of the clamping block 12, and then pushing the clamping block 12 to rotate in the direction of the double-wall corrugated tube 3. When the four clamping blocks 11 are respectively against the inner walls of the double-wall corrugated tube 3, the four clamping blocks 12 are surrounded by the outer wall of the double-wall corrugated tube 3, thereby improving the stability of clamping the double-wall corrugated tube 3 and avoiding shaking of the double-wall corrugated tube 3 during the processing.

[0036] Embodiment 2: This embodiment provides a technical solution based on Embodiment 1: the positioning and clamping device for the production and processing of double-wall corrugated pipes also includes an auxiliary clamping assembly, which is located on the inner side of the clamping block 12 and is used to assist the clamping block 12 in fixing the double-wall corrugated pipe 3. The auxiliary clamping assembly includes a plurality of clamping rods 17 slidably connected to the inner side of the clamping block 12. One end of the clamping rod 17 penetrates through the outer wall of the clamping block 12 and is fixedly connected to a first ring 18. A first connecting spring 19 is installed between the first ring 18 and the clamping block 12.

[0037] When the clamping block 12 rotates toward the double-walled corrugated tube 3, it drives multiple clamping rods 17 to rotate synchronously. When the clamping rod 17 contacts the outer wall of the double-walled corrugated tube 3, the outer wall shape of the double-walled corrugated tube 3 pushes the clamping rod 17 to slide relative to the clamping block 12, so that the clamping rod 17 can form a clamp on the double-walled corrugated tube 3 under the action of the first connecting spring 19, so that when the clamping block 12 embraces the outer wall of the double-walled corrugated tube 3, multiple clamping rods 17 can be pressed on the recessed part of the double-walled corrugated tube 3, thereby improving the clamping stability of the clamping block 12.

[0038] Embodiment 3: This embodiment provides a technical solution based on embodiment 1: the positioning and clamping device for the production and processing of double-wall corrugated pipes also includes a switching auxiliary part, which is located outside the clamping block 12 and is used to assist the clamping block 12 in switching positions. The switching auxiliary part includes a stand 39 fixedly connected to the top of the second fixed seat 26, and a second spherical rod 40 is fixedly connected to the inner side of the stand 39. A latch 41 is slidably connected to the inner side of the sliding frame 21, and one end of the latch 41 passes through the interior of the sliding pin 23. The latch 41 The other end of the pull column 38 passes through the outside of the sliding frame 21 and is fixedly connected to the outside of the sliding frame 21. An inclined groove 43 is provided on the inner side of the pull column 38. A third connecting spring 42 is fixedly connected to the bottom of the pull column 38. One end of the third connecting spring 42 is fixedly connected to the sliding frame 21. A baffle 27 is fixedly connected to the inner side of the support 16, and the baffle 27 is attached to one side of the sliding frame 21. A rectangular groove matching the sliding pin 23 is provided on the inner side of the sliding frame 21. A fixing hole matching the latch 41 is provided on the inner side of the sliding pin 23.

[0039] When the hydraulic cylinder 14 stops running for the first time, the end face of the second spherical rod 40 is located at the notch of the inclined groove 43. When the clamping block 11 is against the outer wall of the double-walled corrugated pipe 3, the first spherical rod 36 and the inclined surface 37 are in a separated state, and the first spherical rod 36 is against the plane of the clamping block 11. When it is necessary to process the clamping part of the double-walled corrugated pipe 3, the hydraulic cylinder 14 can be started again, and the output end of the hydraulic cylinder 14 continues to push the sliding rod 15 to drive the connecting rod 28 to move in the direction of the double-walled corrugated pipe 3, so that the first spherical rod 36 will slide on the back plane of the clamping block 11 and can resist the clamping block 11 at the same time, and then the U-shaped power rod 29 will push the connecting block 22 to drive the pulling column 38 to move in the direction of the second spherical rod 40, so that the spherical surface at the end of the second spherical rod 40 contacts the inclined groove 43, and under the action of the inclined groove 43, the pulling column 38 is pushed to drive the latch 41 to move upward, so that the latch 41 is pulled out from the inside of the sliding pin 23 At this time, the sliding frame 21 is no longer fixed to the sliding pin 23, so that the first auxiliary spring 24 is no longer subjected to external force to pull the sliding frame 21 and drive the pushing wheel 20 to reset, so that the sliding frame 21 moves to fit on the side of the baffle 27, and then the clamping block 12 is no longer subjected to external force and resets under the action of the torsion spring 31, so that the clamping block 12 releases the fixation on the outer wall of the double-walled corrugated pipe 3, so as to facilitate the processing of the clamping part of the double-walled corrugated pipe 3, when the latch 41 is pulled out from the inside of the sliding pin 23, the hydraulic cylinder 14 stops running, when a double-walled corrugated pipe 3 is processed, the hydraulic cylinder 14 starts, and the output end of the hydraulic cylinder 14 drives the second connecting disk 13 to drive the sliding rod 15 to reset, because the sliding frame 21 is blocked by the baffle 27, so that after the sliding pin 23 is reset to the initial position, the latch 41 will be inserted into the inner wall of the sliding pin 23 again under the action of the third connecting spring 42.

[0040] In combination with the above-mentioned positioning and clamping device for producing and processing double-wall corrugated pipes, a positioning and clamping method for producing and processing double-wall corrugated pipes is provided, which specifically includes the following steps:

[0041] S1. First, place the double-walled corrugated pipe 3 to be processed on the support seat 2, and then fit the support seat 2 to the end of one of the abutment rings 8, then start the drive motor 9, and the output end of the drive motor 9 drives the one-way threaded screw 5 to rotate, thereby driving the slider 7 to drive the other abutment ring 8 to abut against the other end of the double-walled corrugated pipe 3, so as to limit the two ends of the double-walled corrugated pipe 3;

[0042] S2. After the two ends of the double-walled corrugated pipe 3 are limited, the hydraulic cylinder 14 inside the two second connecting plates 13 is then started. The output end of the hydraulic cylinder 14 drives the first connecting plate 10 to drive the four first spherical rods 36 to move toward the inside of the double-walled corrugated pipe 3 through the sliding rod 15. Under the action of the inclined surface 37, the clamping block 11 is pushed to drive the rectangular rod 33 to move toward the inner wall of the double-walled corrugated pipe 3. When the sliding rod 15 initially stops moving, the four clamping blocks 11 are respectively against the inner wall of the double-walled corrugated pipe 3, thereby forming a double-walled corrugated pipe 3. Clamping, when the sliding rod 15 moves, it will drive the four connecting rods 28 to move synchronously, so that the sliding frame 21 is pushed by the connecting block 22 to drive the driving wheel 20 to move in the direction of the clamping block 12, and then the clamping block 12 is pushed to rotate in the direction of the double-walled corrugated pipe 3. When the four clamping blocks 11 are respectively against the inner wall of the double-walled corrugated pipe 3, the four clamping blocks 12 are surrounded by the outer wall of the double-walled corrugated pipe 3, so as to improve the stability of the clamping of the double-walled corrugated pipe 3 and avoid the shaking of the double-walled corrugated pipe 3 during the processing;

[0043] S3, when the clamping block 12 rotates toward the double-walled corrugated pipe 3, it drives the multiple clamping rods 17 to rotate synchronously. When the clamping rod 17 contacts the outer wall of the double-walled corrugated pipe 3, the clamping rod 17 is pushed to slide relative to the clamping block 12 under the action of the outer wall shape of the double-walled corrugated pipe 3, so that the clamping rod 17 can form a clamp on the double-walled corrugated pipe 3 under the action of the first connecting spring 19, so that when the clamping block 12 embraces the outer wall of the double-walled corrugated pipe 3, the multiple clamping rods 17 can be pressed on the concave part of the double-walled corrugated pipe 3, thereby improving the clamping stability of the clamping block 12;

[0044] S4, when the hydraulic cylinder 14 stops running for the first time, the end face of the second spherical rod 40 is located at the notch of the inclined groove 43. When the clamping block 11 is against the outer wall of the double-walled corrugated pipe 3, the first spherical rod 36 and the inclined surface 37 are in a separated state, and the first spherical rod 36 is against the plane of the clamping block 11. When it is necessary to process the clamping part of the double-walled corrugated pipe 3, the hydraulic cylinder 14 can be started again, and the output end of the hydraulic cylinder 14 continues to push the sliding rod 15 to drive the connecting rod 28 to move in the direction of the double-walled corrugated pipe 3, so that the first spherical rod 36 will slide on the back plane of the clamping block 11 and can resist the clamping block 11 at the same time, and then the U-shaped power rod 29 will push the connecting block 22 to drive the pulling column 38 to move in the direction of the second spherical rod 40, so that the spherical surface at the end of the second spherical rod 40 contacts the inclined groove 43, and under the action of the inclined groove 43, the pulling column 38 is pushed to drive the latch 41 to move upward, so that the latch 41 is pulled out from the inside of the sliding pin 23. The first auxiliary spring 24 is no longer subjected to external force to pull the sliding frame 21 and drive the pushing wheel 20 to reset, so that the sliding frame 21 moves to fit the side of the baffle 27, and then the clamping block 12 is no longer subjected to external force and resets under the action of the torsion spring 31, so that the clamping block 12 releases the fixation on the outer wall of the double-walled corrugated pipe 3, so as to facilitate the processing of the clamping part of the double-walled corrugated pipe 3, and when the latch 41 is pulled out from the inside of the sliding pin 23, the hydraulic cylinder 14 stops running. When a double-walled corrugated pipe 3 is processed, the hydraulic cylinder 14 starts, and the output end of the hydraulic cylinder 14 drives the second connecting disk 13 to drive the sliding rod 15 to reset. Since the sliding frame 21 is blocked by the baffle 27, the sliding pin 23 is reset to the initial position, and the latch 41 is inserted into the inner wall of the sliding pin 23 again under the action of the third connecting spring 42.

[0045] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A positioning and clamping device for the production and processing of double-wall corrugated pipes, characterized in that: include; A workbench (1) and a support base (2) fixedly connected to the top of the workbench (1), a double-walled corrugated pipe (3) is placed on the top of the support base (2), an auxiliary clamp for synchronously clamping the double-walled corrugated pipe (3) on the inside and outside is arranged on the top of the support base (2), the auxiliary clamp comprises a second connecting plate (13) respectively arranged at both ends of the double-walled corrugated pipe (3), a support (16) is fixedly connected to the inner side of the second connecting plate (13), a resistance ring (8) is fixedly connected to one end of the support (16), and a clamping block (12) is arranged on one side of the support (16); The outer walls of both sides of the support seat (2) are fixedly connected to a first fixed seat (4), a driving motor (9) is installed on one side of the first fixed seat (4), an output end of the driving motor (9) is connected to a one-way threaded screw (5), and one end of the one-way threaded screw (5) passes through the inner side of the first fixed seat (4) and is rotatably connected to the first fixed seat (4), a rectangular guide rod (6) is fixedly connected to the inner side of the first fixed seat (4) above the one-way threaded screw (5), and both sides of the two second connecting plates (13) are fixedly connected to sliders (7), one group of the sliders (7) is fixedly connected to the support seat (2), and the other group of the sliders (7) are respectively sleeved on the outer walls of the one-way threaded screw (5) and the rectangular guide rod (6), and the inner side of the other group of the sliders (7) is provided with a thread groove matching the one-way threaded screw (5); The auxiliary clamp further comprises a hydraulic cylinder (14) mounted on the inner side of the second connection plate (13); the output end of the hydraulic cylinder (14) penetrates to the outside of the second connection plate (13) and is fixedly connected to the first connection plate (10); the inner side of the first connection plate (10) is fixedly connected to a sliding rod (15); one end of the sliding rod (15) penetrates to the inner side of the second connection plate (13) and is slidably connected to the second connection plate (13); the inner side of the support (16) is slidably connected to a rectangular rod (33); one end of the rectangular rod (33) is fixedly connected to a clamping block (11); one side of the clamping block (11) is provided with an inclined surface (37); the outer wall of the sliding rod (15) is fixedly connected to a first spherical rod (36); and the first spherical rod (36) is fixedly connected to the outer wall of the sliding rod (15). The rectangular rod (36) abuts against the inclined surface (37); the other end of the rectangular rod (33) penetrates through the inner side of the support (16) and is fixedly connected to a second circular ring (34); a second connecting spring (35) is installed between the second circular ring (34) and the support (16); the inner side of the support (16) is fixedly connected to a second fixing seat (26); the outer walls on both sides of the clamping block (12) are fixedly connected to a rotating shaft (30); one end of the rotating shaft (30) penetrates through the outside of the second fixing seat (26) and is rotatably connected to the second fixing seat (26); a torsion spring (31) is installed between the rotating shaft (30) and the second fixing seat (26); and a toggle device for toggling the clamping block (12) to rotate is provided on the inner side of the support (16); The toggle device comprises a traction rod (32) slidably connected to the inner side of the second fixed seat (26); one end of the traction rod (32) is fixedly connected to a connecting block (22); the inner side of the connecting block (22) is respectively fixedly connected to a sliding pin (23) and a second auxiliary spring (25); one end of the second auxiliary spring (25) is fixedly connected to the second fixed seat (26); the outer wall of the sliding pin (23) is sleeved with a sliding frame (21); the inner side of the sliding frame (21) is rotatably connected to a driving wheel (20); the driving wheel (20) is attached to the outer wall of the clamping block (12); a first auxiliary spring (24) is installed between the sliding frame (21) and the connecting block (22); one side of the sliding rod (15) is fixedly connected to a connecting rod (28); one side of the connecting rod (28) is fixedly connected to a U-shaped power rod (29); and the U-shaped power rod (29) is fixedly connected to the connecting block (22); It also includes a switching auxiliary component, which is located outside the clamping block (12) and is used to assist the clamping block (12) in switching its position; The switching auxiliary component comprises a stand (39) fixedly connected to the top of the second fixed seat (26), a second spherical rod (40) being fixedly connected to the inner side of the stand (39), a latch (41) being slidably connected to the inner side of the sliding frame (21), one end of the latch (41) passing through the interior of the sliding pin (23), the other end of the latch (41) passing through the exterior of the sliding frame (21) and being fixedly connected to a pulling column (38), an inclined groove (43) being provided on the inner side of the pulling column (38), a third connecting spring (42) being fixedly connected to the bottom of the pulling column (38), one end of the third connecting spring (42) being fixedly connected to the sliding frame (21), a baffle (27) being fixedly connected to the inner side of the support (16), and the baffle (27) being attached to one side of the sliding frame (21); A rectangular groove matching the sliding pin (23) is provided on the inner side of the sliding frame (21), and a fixing hole matching the latch pin (41) is provided on the inner side of the sliding pin (23).

2. A positioning and clamping device for production and processing of double-wall corrugated pipes according to claim 1, characterized in that: It also includes an auxiliary clamping assembly, which is located on the inner side of the clamping block (12) and is used to assist the clamping block (12) in fixing the double-wall corrugated pipe (3); The auxiliary clamping assembly comprises a plurality of clamping rods (17) slidably connected to the inner side of the clamping block (12); one end of the clamping rod (17) penetrates through the outer wall of the clamping block (12) and is fixedly connected to a first ring (18); a first connecting spring (19) is installed between the first ring (18) and the clamping block (12).

3. A positioning and clamping method for the production and processing of double-wall corrugated pipes, characterized in that: The positioning and clamping device for producing and processing double-wall corrugated pipes according to claim 2 comprises the following steps: S1. First, the double-walled corrugated tube (3) to be processed is placed on the support seat (2), and then the support seat (2) is fitted onto the end of one of the abutment rings (8). Subsequently, the drive motor (9) is started, and the output end of the drive motor (9) drives the one-way threaded screw (5) to rotate, thereby driving the slider (7) to drive the other abutment ring (8) to abut against the other end of the double-walled corrugated tube (3), thereby limiting the two ends of the double-walled corrugated tube (3); S2, when the four clamping blocks (11) are respectively pressed against the inner wall of the double-walled corrugated pipe (3) by the auxiliary clamp, the four clamping blocks (12) embrace the outer wall of the double-walled corrugated pipe (3), thereby improving the stability of clamping the double-walled corrugated pipe (3); S3, when the clamping block (12) is encircled around the outer wall of the double-walled corrugated pipe (3) by means of the auxiliary clamping assembly, the plurality of clamping rods (17) can be pressed against the recessed portion of the double-walled corrugated pipe (3); S4. The switching auxiliary component can release the clamping block (12) from fixing the outer wall of the double-wall corrugated pipe (3), so as to facilitate processing of the clamping portion of the double-wall corrugated pipe (3).

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