CN216151813U

CN216151813U - Pipe cutting machine

Info

Publication number: CN216151813U
Application number: CN202121446309.5U
Authority: CN
Inventors: 刘福庆
Original assignee: Zhijiang College of ZJUT
Current assignee: Zhijiang College of ZJUT
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2022-04-01
Anticipated expiration: 2031-06-28

Abstract

The utility model provides a pipe cutting machine, and belongs to the technical field of pipe cutting machines. It has solved the inconvenient scheduling problem of use among the prior art. The pipe fitting cutting device comprises a clamping device, a feeding device and a cutting device, wherein the clamping device is used for clamping pipe fittings, the feeding device is used for conveying pipe fittings, the cutting device is used for cutting the pipe fittings, the clamping device is connected with the feeding device, the feeding device comprises a first driving device, a screw rod, an adjusting table and a guide shaft, the adjusting table and the clamping device are both installed on the guide shaft, a pushing cylinder is arranged on the adjusting table and provided with a push rod, the pushing cylinder is connected with the clamping device through the push rod, and the first driving device is used for driving the adjusting table and the clamping device to move along the length direction of the screw rod so as to control the cutting length of the pipe fittings. The utility model has the advantages of automatic feeding, clamping and cutting, convenient use, user safety protection and the like.

Description

Pipe cutting machine

Technical Field

The utility model belongs to the technical field of pipe cutting machines, and particularly relates to a pipe cutting machine.

Background

The cutting operation of the plastic pipe is frequently related in many fields, the plastic pipe is fixed in length after being manufactured, and the application field of the plastic pipe is more, so the plastic pipe needs to be cut, the size of the plastic pipe is suitable for the corresponding field, the pipe cutting machine is a machine for cutting the plastic pipe into fixed size, when the existing pipe cutting machine is used, the cutting length also needs to be changed according to the different cutting requirements, when the cutting length is changed, a user needs to take the pipe out again, the position of the pipe cutting machine is adjusted again by the user, then the pipe is fixed on the pipe cutting machine for cutting the pipe, the operation is complicated, the consumed time is long, the working time of the user is increased, the cutting efficiency is reduced, and if the cutting position of the pipe cutting machine is not adjusted by the user, the problem of inaccurate cutting precision can also occur, it is inconvenient to use.

Disclosure of Invention

The present invention addresses the above-identified problems in the prior art by providing a pipe cutter.

The purpose of the utility model can be realized by the following technical scheme: a pipe cutting machine is characterized by comprising a first seat body and a second seat body, wherein one side of the second seat body is provided with a side wall, the first seat body is provided with a feeding device for feeding, the feeding device is provided with a clamping device for clamping materials, and the second seat body is provided with a cutting device for cutting materials;

the feeding device comprises a first driving device, a screw rod, an adjusting table and a guide shaft, wherein the adjusting table and a clamping device are both arranged on the guide shaft, a pushing cylinder is arranged on the adjusting table, a push rod is arranged on the pushing cylinder, the pushing cylinder is connected with the clamping device through the push rod, and the first driving device is used for driving the adjusting table and the clamping device to move along the length direction of the screw rod;

first pedestal on be provided with the mounting panel, the second pedestal set up in one side of mounting panel, the regulation cabinet on be provided with first sensor, the mounting panel on be provided with the second sensor, the propelling movement cylinder be connected with the controller, first sensor and second sensor homoenergetic make controller control propelling movement cylinder start-up or close to controller transmission signal.

The working principle of the utility model is as follows: when the cutting machine is used for cutting, a user can adjust the cutting length of the pipe according to cutting requirements, and the following two cutting requirements are exemplified:

if the length of the pipe which needs to be cut by a user is longer, assuming that the length of the cut pipe is 20cm, the user needs to fix the pipe by using the clamping device firstly, then the first driving device is started, the first driving device drives the adjusting table and the clamping device to move in the length direction of the wire rod, when the adjusting table and the clamping device move to a certain position, the first driving device stops working, the cutting device fixedly cuts the pipe, after the cutting is finished, the clamping device loosens the pipe, the pushing cylinder controls the clamping device to move towards the adjusting table by retracting the push rod, the first sensor arranged on the adjusting table detects the moving distance of the clamping device, when the moving distance of the clamping device reaches 20cm, the first sensor transmits a signal to the controller, the controller controls the pushing cylinder to stop working, and the clamping device stops moving and clamps the pipe again, then the pushing cylinder controls the clamping device to move towards the cutting device by extending out of the push rod, a second sensor arranged on the mounting plate detects the moving distance of the clamping device, when the moving distance of the clamping device reaches 20cm, the second sensor transmits a signal to the controller, the controller controls the pushing cylinder to stop working, the cutting device cuts the pipe, the operation is repeated, the cutting length obtained each time is 20cm, a user can adjust the positions of the adjusting table and the clamping device according to the requirements of the user to obtain pipes with different cutting lengths, and the pipes do not need to be moved;

if the length of the pipe which needs to be cut by a user is short, assuming that the length of the cut pipe is 5cm, when the pipe is cut, the user needs to adjust the positions of the adjusting table and the clamping device to the leftmost end of the first base body, then the clamping device is used for fixing the pipe, the cut end of the pipe is abutted to the cutting end of the cutting device, when the pipe needs to be cut, the first driving device drives the adjusting table and the clamping device to move 5cm along the length direction of the wire rod together, then the first driving device stops working, the cutting device cuts the pipe, the length of the cut pipe is 5cm, after the cutting is finished, the first driving device is started again to drive the adjusting table and the clamping device to move 5cm along the length direction of the wire rod together, the cutting device cuts again, and the reciprocating is carried out in such a way, the first driving device drives the adjusting table and the clamping device to move 5cm each time, so that the pipe cut by the cutting device is 5cm each time, if the user need adjust the pipe fitting length after the cutting, only need adjust the distance between regulation platform and the clamping device, then restart first drive arrangement, need not take out the pipe fitting earlier, adjust the device on the pipe cutting machine again, labour saving and time saving cuts and pay-off whole-journey does not need the staff to control, and is safe in utilization.

In the pipe cutting machine, the feeding device further comprises an installation seat, and the first driving device is installed on the installation seat.

In the pipe cutting machine, one end of the screw rod is connected with a flange coupler, and the first driving device is connected with the screw rod through the flange coupler.

In the pipe cutting machine, the mounting seat is provided with an opening, and the opening allows the first driving device to penetrate through the connecting flange coupling.

In the pipe cutting machine, the first seat body is further provided with a supporting seat, the supporting seat is connected with an extending column, and the extending column is connected with the screw rod.

In the pipe cutting machine, the extending column and the mounting plate are both provided with shaft sleeves for protecting the screw rod.

In the pipe cutting machine, the mounting plate is further provided with a sealing cover for protecting the screw rod.

In the pipe cutting machine, the shaft sleeve is provided with a felt ring for sealing.

In the pipe cutting machine, the clamping device comprises a workbench, and a first clamping block and a second clamping block which are used for clamping the pipe fitting are arranged on the workbench.

In the pipe cutting machine, the workbench is further provided with a first boss for supporting the pipe.

In foretell one kind of pipe cutting machine, one side of workstation be provided with first extension board, the opposite side of workstation be provided with the second extension board, first extension board and second extension board between be provided with first guide shaft.

In the pipe cutting machine, the first extending plate is provided with a second driving device for driving the first clamping block to move along the length direction of the first guide shaft, and the second extending plate is provided with a third driving device for driving the second clamping block to move along the length direction of the first guide shaft.

In the pipe cutting machine, the first clamping block and the second clamping block are both arranged on the first guide shaft, and the first guide shaft can penetrate out of the first boss.

In a foretell pipe cutting machine, first grip block include first clamp block and first slider, the second grip block include second clamp block and second slider, first clamp block can dismantle and connect first slider, the second clamp block can dismantle and connect the second slider.

In the pipe cutting machine, the top of the first boss is provided with a cushion block for improving the pipe supporting height.

In the pipe cutting machine, a positioning bolt for fixing the position of the first guide shaft is further arranged in the first boss.

In the pipe cutting machine, the cutting device comprises a fixed table and a cutter, and a centering and clamping mechanism for fixing materials is arranged on the fixed table.

In the pipe cutting machine, the side wall is provided with a slide rail, and the cutter can move along the length direction of the slide rail.

In the pipe cutting machine, the centering and clamping mechanism comprises a first fixing block, a second fixing block and a second guide shaft, wherein the second guide shaft is symmetrically provided with a first thread and a second thread, and the directions of the first thread and the second thread are opposite.

In the pipe cutting machine, one end of the second guide shaft is connected with the placing seat, and the other end of the second guide shaft is connected with the side wall.

In the pipe cutting machine, the placing seat is provided with a fourth driving device, the first fixing block and the second fixing block are both arranged on the second guide shaft, and the fourth driving device is used for driving the second guide shaft to rotate so that the first fixing block and the second fixing block move in opposite directions or in the same direction.

In the pipe cutting machine, the centering and clamping mechanism is further provided with a second boss for supporting the pipe, and the second guide shaft can penetrate out of the second boss.

In the pipe cutting machine, the cutter comprises a fifth driving device, a cutter and a speed reducer, the fifth driving device and the cutter are both connected with the speed reducer, the fifth driving device drives the speed reducer to operate, and the speed reducer drives the cutter to rotate.

In the pipe cutting machine, the speed reducer is provided with a sliding block.

In the pipe cutting machine, the side wall in be provided with the hydraulic lifting device that is used for controlling the slider removal, the hydraulic lifting device include hydraulic pump and pneumatic cylinder, the hydraulic pump be connected with first switching-over valve, second switching-over valve and the third switching-over valve that is used for controlling the hydraulic direction, be provided with the first solenoid valve and the second solenoid valve that are used for adjusting first switching-over valve direction on the first switching-over valve, be provided with the third solenoid valve that is used for adjusting the second switching-over valve direction on the second switching-over valve, be provided with the fourth solenoid valve that is used for adjusting the third switching-over valve direction on the third switching-over valve, the hydraulic pump still be connected with the speed governing valve and first overflow valve, second overflow valve, the third overflow valve that are used for protecting hydraulic lifting device.

In the pipe cutting machine, a jaw centering fork for fixing the second guide shaft and a jaw centering adjusting screw for fixing the jaw centering fork are arranged in the fixing table.

In the pipe cutting machine, the first fixing block and the second fixing block are both provided with notches for the cutting knife to cut.

In the pipe cutting machine, the speed reducer and the cutter are driven by a bevel gear.

In the pipe cutting machine, the cutting knife is further provided with a protective cover.

In the pipe cutting machine, the first clamping block, the second clamping block, the first fixing block and the second fixing block are all provided with V-shaped grooves.

In the pipe cutting machine, the number of the guide shafts is two, the bottom of the workbench is provided with a through hole for the guide shaft to pass through, and the bottom of the workbench is also provided with an insertion hole for the push rod to be inserted into.

Compared with the prior art, the automatic cutting machine has the advantages of automatic feeding, clamping and cutting, convenience in use and capability of protecting the safety of a user.

Drawings

FIG. 1 is a schematic top view of the feeding device of the present invention;

FIG. 2 is a schematic top sectional view of the feeding device of the present invention;

FIG. 3 is a side view of the cutting device of the present invention;

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

FIG. 5 is a schematic cross-sectional view of the centering clamp mechanism of the present invention;

FIG. 6 is a schematic view of the clamping assembly of the present invention;

FIG. 7 is a schematic cross-sectional view of a clamping device of the present invention;

fig. 8 is a schematic view of the hydraulic lifting device of the present invention.

In the figure, 1, a first seat body; 2. a second seat body; 3. a side wall; 4. a feeding device; 5. a clamping device; 6. a cutting device; 7. a work table; 8. a first clamping block; 9. a second clamping block; 10. a first boss; 11. a fixed table; 12. a cutter; 13. a centering and clamping mechanism; 14. a slide rail; 15. a first driving device; 16. a screw rod; 17. an adjusting table; 18. a guide shaft; 19. a push cylinder; 20. a push rod; 21. mounting a plate; 22. a first sensor; 23. a second sensor; 24. a controller; 25. a hydraulic lifting device; 26. a hydraulic pump; 27. a hydraulic cylinder; 28. a first direction changing valve; 29. a second directional control valve; 30. a third directional control valve; 31. a first solenoid valve; 32. a second solenoid valve; 33. a third electromagnetic valve; 34. a fourth solenoid valve; 35. a speed regulating valve; 36. a first overflow valve; 37. a second overflow valve; 38. a third overflow valve; 39. a mounting seat; 40. a flange coupling; 41. an opening; 42. a supporting seat; 43. an extension bar; 44. a shaft sleeve; 45. a sealing cover; 46. a felt loop; 47. a first extension plate; 48. a second extension plate; 49. a first guide shaft; 50. a second driving device; 51. a third driving device; 52. a first clamping block; 53. a first slider; 54. a second clamp block; 55. a second slider; 56. cushion blocks; 57. positioning the bolt; 58. a first fixed block; 59. a second fixed block; 60. a second guide shaft; 61. a first thread; 62. a second thread; 63. a placing seat; 64. a fourth drive device; 65. a second boss; 66. a fifth driving device; 67. a cutter; 68. a speed reducer; 69. a slider; 70. a jaw centering fork; 71. the jaw centers the adjusting screw; 72. a notch; 73. a shield; 74. a V-shaped groove; 75. a through hole; 76. an insertion opening.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1-8, the pipe cutting machine includes a first seat body 1 and a second seat body 2, a side wall 3 is disposed on one side of the second seat body 2, a feeding device 4 for feeding is disposed on the first seat body 1, a clamping device 5 for clamping is disposed on the feeding device 4, and a cutting device 6 for cutting is disposed on the second seat body 2;

the feeding device 4 comprises a first driving device 15, a screw rod 16, an adjusting table 17 and a guide shaft 18, the adjusting table 17 and the clamping device 5 are both installed on the guide shaft 18, a pushing cylinder 19 is arranged on the adjusting table 17, a push rod 20 is arranged on the pushing cylinder 19, the pushing cylinder 19 is connected with the clamping device 5 through the push rod 20, and the first driving device 15 is used for driving the adjusting table 17 and the clamping device 5 to move along the length direction of the screw rod 16;

be provided with mounting panel 21 on the first pedestal 1, second pedestal 2 sets up in one side of mounting panel 21, is provided with first sensor 22 on the regulation platform 17, is provided with second sensor 23 on the mounting panel 21, and propelling movement cylinder 19 is connected with controller 24, and first sensor 22 and second sensor 23 homoenergetic make controller 24 control propelling movement cylinder 19 start or close to controller 24 transmission signal.

In the practical use of the present embodiment, the cutting device 6 of the pipe cutting machine is located at the right side of the mounting plate 21 as shown in fig. 1;

in this embodiment, the tubular product is a very long pipe, carries out the pay-off to the tubular product, thereby clamping device 5 drives the tubular product removal promptly and makes cutting device 6 can cut tubular product and obtain a plurality of pipe fittings. The pipe length requirement is not limited to only being able to cut 20cm pipes and 5cm pipes.

In further detail, the feeding device 4 further comprises a mounting seat 39, and the first driving device 15 is mounted on the mounting seat 39;

the first driving device 15 is mounted on the mounting seat 39, so that safety accidents caused by unstable connection of the screw rod 16 and the first driving device 15 due to shaking of the first driving device 15 in use can be prevented.

To be more specific, one end of the screw rod 16 is connected with a flange coupler 40, and the first driving device 15 is connected with the screw rod 16 through the flange coupler 40; the mounting seat 39 is provided with an opening 41, and the opening 41 is used for the first driving device 15 to pass through the connecting flange coupler 40;

the output shaft of the first driving device 15 extends out of the opening 41, the screw rod 16 is driven to rotate through the flange coupler 40, the centering precision of the first driving device 15 and the screw rod 16 is high when the flange coupler 40 enables the first driving device 15 and the screw rod 16 to be connected, the first driving device 15 drives the screw rod 16 to rotate more stably, and the use is more convenient.

In a further elaboration, the first seat body 1 is further provided with a supporting seat 42, the supporting seat 42 is connected with an extension column, the extension column is connected with the screw rod 16, and the extension column is fixedly connected with the screw rod 16, so that the structural strength of the screw rod 16 is improved, and the screw rod 16 cannot shake when in use.

In more detail, the extending column and the mounting plate 21 are both provided with a shaft sleeve 44 for protecting the screw rod 16;

the shaft sleeve 44 is used for matching the screw rod 16 to rotate, protecting two ends of the screw rod 16, stabilizing the rotation of the screw rod 16, and the shaft sleeve 44 plays a role of a bearing when the screw rod 16 operates.

To be more specific, the mounting plate 21 is also provided with a sealing cover 45 for protecting the screw rod 16;

the sealing cover 45 serves to prevent the screw 16 from being contaminated by dust.

To be more specific, the shaft sleeve 44 is provided with a felt ring 46 for sealing;

the felt ring 46 is used to improve the sealing performance of the bushing 44 and also to absorb heat generated when the lead screw 16 and the bushing 44 rub against each other.

Further saying, clamping device 5 includes workstation 7, is provided with first grip block 8 and the second grip block 9 that is used for pressing from both sides tight pipe fitting on workstation 7, and first grip block 8 and second grip block 9 can carry out the centre gripping to pipe fitting, set up two grip blocks, and fixed effectual.

In further detail, the workbench 7 is further provided with a first boss 10 for supporting the pipe, the pipe is supported by the first boss 10, and the pipe is prevented from being clamped by the first clamping block 8 and the second clamping block 9.

In more detail, one side of the workbench 7 is provided with a first extending plate 47, the other side of the workbench 7 is provided with a second extending plate 48, a first guide shaft 49 is arranged between the first extending plate 47 and the second extending plate 48, the first guide shaft 49 is connected between the first extending plate 47 and the second extending plate 48, and the first extending plate 47 and the second extending plate 48 fix the position of the first guide shaft 49 to prevent the first guide shaft 49 from shaking.

To be more specific, the first extending plate 47 is provided with a second driving device 50 for driving the first clamping block 8 to move along the length direction of the first guide shaft 49, and the second extending plate 48 is provided with a third driving device 51 for driving the second clamping block 9 to move along the length direction of the first guide shaft 49;

the first clamping block 8 and the second clamping block 9 are used for fixing the pipe fittings on the placing blocks, the second driving device 50 and the third driving device 51 are used for driving the first clamping block 8 and the second clamping block 9 to run simultaneously, the clamping speed is higher, the second driving device 50 and the third driving device 51 are arranged, so that the clamping force of the first clamping block 8 and the second clamping block 9 is larger, and the clamping effect is better.

In more detail, the first clamping block 8 and the second clamping block 9 are both arranged on the first guide shaft 49, and the first guide shaft 49 can penetrate through the first boss 10;

the clamping positions of the first clamping block 8 and the second clamping block 9 are consistent, and the clamping precision of the first clamping block 8 and the second clamping block 9 is improved.

In further detail, the first clamping block 8 comprises a first clamping block 52 and a first sliding block 53, the second clamping block 9 comprises a second clamping block 54 and a second sliding block 55, the first clamping block 52 is detachably connected with the first sliding block 53, and the second clamping block 54 is detachably connected with the second sliding block 55;

the first clamping block 52 is detachably connected with the first sliding block 53, the second clamping block 54 is detachably connected with the second sliding block 55, and when the first clamping block 52 and the second clamping block 54 are damaged, a user can detach and replace the first clamping block 52 and the second clamping block 54, so that the use is convenient, and the service lives of the first clamping block 8 and the second clamping block 9 are prolonged.

In more detail, the top of the first boss 10 is provided with a cushion block 56 for increasing the supporting height of the pipe;

the rough top surface of the cushion block 56 is arranged, when a user places a pipe on the cushion block 56, the rough top surface of the cushion block 56 prevents the pipe from easily moving from the cushion block 56 or falling off, and the first clamping block 52 and the second clamping block 54 are convenient to clamp the pipe when the pipe is placed on the cushion block 56.

In more detail, a positioning bolt 57 for fixing the position of the first guide shaft 49 is further arranged in the first boss 10;

the positioning bolt 57 is used to fix the first guide shaft 49 and the first boss 10 together, so as to prevent the first guide shaft 49 from shaking when the first clamping block 8 and the second clamping block 9 move.

In further detail, the cutting device 6 comprises a fixed table 11 and a cutter 12, wherein a centering clamping mechanism 13 for fixing materials is arranged on the fixed table 11;

the centering and clamping mechanism 13 can perform centering, positioning and clamping on the pipe simultaneously, and the using effect is good.

In more detail, the side wall 3 is provided with a slide rail 14, and the cutter 12 can move along the length direction of the slide rail 14;

so that the cutter 12 can descend to cut the pipe when in use and ascend without influencing the movement of the pipe when not in use.

In further detail, the centering and clamping mechanism 13 includes a first fixed block 58, a second fixed block 59 and a second guide shaft 60, the second guide shaft 60 is symmetrically provided with a first thread 61 and a second thread 62, and the directions of the first thread 61 and the second thread 62 are opposite;

so that the first fixing block 58 and the second fixing block 59 can move in the same or opposite directions at the same time, and the clamping precision is ensured.

In more detail, one end of the second guide shaft 60 is connected with the placing seat 63, and the other end of the second guide shaft 60 is connected with the side wall 3;

the second guide shaft 60 is fixed by the placing seat 63 and the side wall 3, and the second guide shaft 60 is prevented from shaking or falling off when in use.

To be more specific, the placing seat 63 is provided with a fourth driving device 64, the first fixing block 58 and the second fixing block 59 are both arranged on the second guide shaft 60, and the fourth driving device 64 is used for driving the second guide shaft 60 to rotate so that the first fixing block 58 and the second fixing block 59 move in opposite directions or in the same direction at the same time;

the fourth driving device 64 rotates the second guide shaft 60 forward, the first fixing block 58 and the second fixing block 59 move towards the second boss 65 to clamp the pipe fitting, when the first fixing block 58 and the second fixing block 59 fix the pipe fitting, the cutter 12 moves downwards along the length direction of the slide rail 14 to cut the pipe fitting, after the cutting is finished, the cutter 12 moves upwards along the length direction of the slide rail 14, at the moment, the fourth driving device 64 rotates the second guide shaft 60 reversely, and the first fixing block 58 and the second fixing block 59 move towards opposite directions by taking the second boss 65 as the center.

In more detail, the centering and clamping mechanism 13 is further provided with a second boss 65 for supporting the pipe, and the second guide shaft 60 can penetrate through the second boss 65;

the second boss 65 supports the pipe, so that the first fixing block 58 and the second fixing block 59 can clamp the pipe conveniently.

In more detail, the cutter 12 comprises a fifth driving device 66, a cutter 67 and a speed reducer 68, the fifth driving device 66 and the cutter 67 are both connected with the speed reducer 68, the fifth driving device 66 drives the speed reducer 68 to operate, and the speed reducer 68 drives the cutter 67 to rotate;

the fifth driving device 66 and the cutter 67 are connected with the speed reducer 68, and when the cutting device is used, the speed reducer 68 converts the rotating speed of the fifth driving device 66 transmitted to the speed reducer 68 into torque, the cutter 67 is driven to rotate through a rotating shaft in the speed reducer 68, the cutter 67 cuts a pipe, manual operation is not needed, and the cutting device is safe to use.

To be more specific, the speed reducer 68 is provided with a slide block 69;

the speed reducer 68 moves up and down in the longitudinal direction of the slide rail 14 via a slide block 69.

To be more detailed, a hydraulic lifting device 25 for controlling the movement of the slide block is arranged in the side wall 3, the hydraulic lifting device 25 comprises a hydraulic pump 26 and a hydraulic cylinder 27, the hydraulic pump 26 is connected with a first reversing valve 28, a second reversing valve 29 and a third reversing valve 30 for controlling the hydraulic direction, the first reversing valve 28 is provided with a first electromagnetic valve 31 and a second electromagnetic valve 32 for adjusting the direction of the first reversing valve 28, the second reversing valve 29 is provided with a third electromagnetic valve 33 for adjusting the direction of the second reversing valve 29, the third reversing valve 30 is provided with a fourth electromagnetic valve 34 for adjusting the direction of the third reversing valve 30, and the hydraulic pump 26 is further connected with a speed regulating valve 35 and a first overflow valve 36, a second overflow valve 37 and a third overflow valve 38 for protecting the hydraulic lifting device 25;

when the speed reducer 68 needs to move downward, the hydraulic lifting device 25 is in a fast forward state, and when the speed reducer 68 moves downward, the oil path in the hydraulic cylinder 27 is: the first electromagnetic valve 31 arranged on the first reversing valve 28 is electrified, the first reversing valve 28 is switched to the left position, the hydraulic pump 26 supplies oil to enter the upper cavity of the hydraulic cylinder 27 through the second reversing valve 29, and the return oil returns to the oil tank through the first reversing valve 28, the third reversing valve 30 and the second overflow valve 37;

the worker advances for cutter 67 cutting pipe fitting state, and the worker advances the time, and the oil circuit route in the pneumatic cylinder 27 is: a first electromagnetic valve 31 arranged on the first reversing valve 28, a third electromagnetic valve 33 arranged on the second reversing valve 29 and a fourth electromagnetic valve 34 arranged on the third reversing valve 30 are electrified, the first reversing valve 28 is connected to the left position, the second reversing valve 29 is connected to the left position, the third reversing valve 30 is connected to the left position, oil supplied by the hydraulic pump 26 enters the upper cavity of the hydraulic cylinder 27 through a speed regulating valve 35, and the return oil returns to the oil tank through the first reversing valve 28, the third reversing valve 30 and a third overflow valve 38;

after the blades stay, the first reversing valve 28 is in the middle position, the hydraulic pump 26 returns to the hydraulic cylinder 27 under the condition that the oil supply of the hydraulic pump reaches a certain pressure, and the hydraulic lifting device 25 is in a stable and balanced stay state;

the fast-return is a working state that the hydraulic lifting device 25 controls the speed reducer 68 to ascend and return to the original position, and during the fast-return, the oil path in the hydraulic cylinder 27 is as follows: the second electromagnetic valve 32 arranged on the first reversing valve 28 is electrified, the first reversing valve 28 is switched on at the right position, the hydraulic pump 26 supplies oil to the lower cavity of the hydraulic cylinder 27, and the oil return route returns to the oil tank through the second reversing valve 29, the first reversing valve 28, the third reversing valve 30 and the second overflow valve 37;

the speed regulating valve 35 is used for regulating the running speed of an oil circuit, and the first overflow valve 36, the second overflow valve 37 and the third overflow valve 38 are used as back pressure valves to prevent safety accidents caused by the fact that the cutter 67 continues to move downwards due to inertia after cutting off the pipe;

the sliding block 69 is controlled to ascend and descend by the hydraulic lifting device 25, so that the speed reducer 68 is controlled to ascend or descend along the length direction of the sliding rail 14, the cutter 67 can descend to cut the pipe fitting when in use and can ascend to wait for next use when not in use, and the using effect is good; the hydraulic lifting device 25 is protected in operation through the first overflow valve 36, the second overflow valve 37, the third overflow valve 38 and the speed regulating valve 35, so that the safety degree of the hydraulic lifting device 25 in operation is higher, and safety accidents are avoided.

To be further detailed, a jaw centering fork 70 for fixing the second guide shaft 60 and a jaw centering adjusting screw 71 for fixing the jaw centering fork 70 are arranged in the fixed table 11;

jaw centering fork 70 sets up in second boss 65 and carries out the rigidity to second guide shaft 60, further stabilizes the position of second guide shaft 60, and jaw centering adjusting screw 71 is then fixed jaw centering fork 70, guarantees that second guide shaft 60 jaw centering fork 70 can not rock when rotatory for stability is better when cutter 67 cuts, guarantees cutter 67's cutting accuracy.

In more detail, the first fixing block 58 and the second fixing block 59 are both provided with notches 72 for the cutter 67 to cut;

the cutter 67 is from the internal cutting pipe of breach 72, and the cutting is accomplished the tubular product of back breach 72 both sides and can both be fixed by first fixed block 58 and second fixed block 59, and the pipe fitting can not scatter after the cutting is accomplished, and the arrangement is accomodate to tubular product by the person of facilitating the use, and tubular product still is fixed after the cutting, the follow-up cutting of the tubular product of being convenient for.

In more detail, the speed reducer 68 and the cutter 67 are driven by a bevel gear;

the speed reducer 68 and the cutter 67 are in conical gear transmission, the conical gear transmission mode has a good transmission effect, the manufacturing and using costs are low, and the cost is saved for a user.

To be more specific, the cutter 67 is also provided with a shield 73;

the cutter 67 is provided with a shield 73, and the shield 73 is used for protecting a user to prevent the user from being injured due to careless touch on the cutter 67, so that the use is safe.

In more detail, the first clamping block 52, the second clamping block 54, the first fixing block 58 and the second fixing block 59 are all provided with a V-shaped groove 74;

the V-shaped groove 74 fastens a part of area on the pipe, so that the pipe is prevented from moving during cutting and feeding, and the fixing effect is better.

In more detail, two guide shafts 18 are arranged, a through hole 75 for the guide shaft 18 to pass through is arranged at the bottom of the workbench 7, and an insertion hole 76 for the push rod 20 to insert is also arranged at the bottom of the workbench 7;

two guide shafts 18 are arranged, so that two sides of the adjusting table 17 and two sides of the fixing table 11 can be supported, and the using effect is good.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Although a large number of terms are used here more, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. A pipe cutting machine is characterized by comprising a first seat body (1) and a second seat body (2), wherein a side wall (3) is arranged on one side of the second seat body (2), a feeding device (4) for feeding is arranged on the first seat body (1), a clamping device (5) for clamping materials is arranged on the feeding device (4), and a cutting device (6) for cutting materials is arranged on the second seat body (2);

the feeding device (4) comprises a first driving device (15), a screw rod (16), an adjusting table (17) and a guide shaft (18), the adjusting table (17) and a clamping device (5) are both installed on the guide shaft (18), a pushing cylinder (19) is arranged on the adjusting table (17), a push rod (20) is arranged on the pushing cylinder (19), the pushing cylinder (19) is connected with the clamping device (5) through the push rod (20), and the first driving device (15) is used for driving the adjusting table (17) and the clamping device (5) to move along the length direction of the screw rod (16);

first pedestal (1) on be provided with mounting panel (21), second pedestal (2) set up in one side of mounting panel (21), regulation platform (17) on be provided with first sensor (22), mounting panel (21) on be provided with second sensor (23), propelling movement cylinder (19) be connected with controller (24), first sensor (22) and second sensor (23) homoenergetic make controller (24) control propelling movement cylinder (19) start or close to controller (24) transmission signal.

2. A pipe cutting machine as claimed in claim 1, characterized in that said feeding device (4) further comprises a mounting seat (39), said first driving means (15) being mounted on said mounting seat (39).

3. A pipe cutting machine as claimed in claim 2, characterized in that one end of said screw (16) is connected to a flange coupling (40), said first driving means (15) being connected to the screw (16) via the flange coupling (40);

an opening (41) is formed in the mounting seat (39), and the first driving device (15) penetrates through the connecting flange coupling (40) through the opening (41);

the first seat body (1) is also provided with a supporting seat (42), the supporting seat (42) is connected with an extending column, and the extending column is connected with the screw rod (16);

the extending column and the mounting plate (21) are provided with shaft sleeves (44) for protecting the screw rod (16);

the mounting plate (21) is also provided with a sealing cover (45) for protecting the screw rod (16);

and a felt ring (46) for sealing is arranged on the shaft sleeve (44).

4. A pipe cutting machine as claimed in claim 1, characterized in that said gripping device (5) comprises a table (7), said table (7) being provided with a first gripping block (8) and a second gripping block (9) for gripping the pipe;

the workbench (7) is also provided with a first boss (10) for supporting a pipe;

one side of workstation (7) be provided with first extension board (47), the opposite side of workstation (7) be provided with second extension board (48), first extension board (47) and second extension board (48) between be provided with first guide shaft (49).

5. A pipe cutting machine as claimed in claim 4, characterized in that said first extension plate (47) is provided with second driving means (50) for driving said first gripping block (8) to move along the length of said first guide shaft (49), and said second extension plate (48) is provided with third driving means (51) for driving said second gripping block (9) to move along the length of said first guide shaft (49);

the first clamping block (8) and the second clamping block (9) are arranged on the first guide shaft (49), and the first guide shaft (49) can penetrate through the first boss (10);

the first clamping block (8) comprises a first clamping block (52) and a first sliding block (53), the second clamping block (9) comprises a second clamping block (54) and a second sliding block (55), the first clamping block (52) is detachably connected with the first sliding block (53), and the second clamping block (54) is detachably connected with the second sliding block (55);

the top of the first boss (10) is provided with a cushion block (56) for improving the supporting height of the pipe.

6. A pipe cutting machine as claimed in claim 5, characterized in that a positioning bolt (57) for fixing the position of the first guide shaft (49) is further arranged in the first boss (10).

7. A pipe cutting machine as claimed in claim 1, characterized in that said cutting means (6) comprise a fixed table (11) and a cutter (12), said table (11) being provided with a centering and clamping mechanism (13) for fixing the material.

8. A pipe cutting machine as claimed in claim 7, characterized in that said side wall (3) is provided with a slide (14), said cutter (12) being movable along the length of said slide (14);

the centering and clamping mechanism (13) comprises a first fixing block (58), a second fixing block (59) and a second guide shaft (60), wherein a first thread (61) and a second thread (62) are symmetrically arranged on the second guide shaft (60), and the directions of the first thread (61) and the second thread (62) are opposite;

one end of the second guide shaft (60) is connected with a placing seat (63), and the other end of the second guide shaft (60) is connected with the side wall (3);

the placing seat (63) is provided with a fourth driving device (64), the first fixing block (58) and the second fixing block (59) are both arranged on the second guide shaft (60), and the fourth driving device (64) is used for driving the second guide shaft (60) to rotate so that the first fixing block (58) and the second fixing block (59) can move in opposite directions or the same direction;

the centering and clamping mechanism (13) is also provided with a second boss (65) for supporting a pipe, and the second guide shaft (60) can penetrate out of the second boss (65);

the cutter (12) comprises a fifth driving device (66), a cutter (67) and a speed reducer (68), the fifth driving device (66) and the cutter (67) are both connected with the speed reducer (68), the fifth driving device (66) drives the speed reducer (68) to operate, and the speed reducer (68) drives the cutter (67) to rotate;

a sliding block (69) is arranged on the speed reducer (68);

the hydraulic lifting device (25) used for controlling the sliding block to move is arranged in the side wall (3), the hydraulic lifting device (25) comprises a hydraulic pump (26) and a hydraulic cylinder (27), the hydraulic pump (26) is connected with a first reversing valve (28), a second reversing valve (29) and a third reversing valve (30) which are used for controlling the hydraulic direction, a first electromagnetic valve (31) and a second electromagnetic valve (32) which are used for adjusting the direction of the first reversing valve (28) are arranged on the first reversing valve (28), a third electromagnetic valve (33) which is used for adjusting the direction of the second reversing valve (29) is arranged on the second reversing valve (29), a fourth electromagnetic valve (34) which is used for adjusting the direction of the third reversing valve (30) is arranged on the third reversing valve (30), and the hydraulic pump (26) is further connected with a speed regulating valve (35) and a first overflow valve (36) which are used for protecting the hydraulic lifting device (25), and a speed regulating valve (36) and a second overflow valve (36) which are used for regulating the hydraulic lifting device (25) are arranged on the hydraulic pump (26), A second relief valve (37) and a third relief valve (38);

a jaw centering fork (70) for fixing the second guide shaft (60) and a jaw centering adjusting screw (71) for fixing the jaw centering fork (70) are arranged in the fixed table (11);

notches (72) for the cutting knife (67) to cut off are formed in the first fixing block (58) and the second fixing block (59);

the speed reducer (68) and the cutter (67) are in transmission by adopting a conical gear;

the cutter (67) is also provided with a shield (73).

9. The pipe cutting machine of claim 5, wherein the first clamping block (52), the second clamping block (54), the first fixing block (58) and the second fixing block (59) are provided with V-shaped grooves (74).

10. The pipe cutting machine according to claim 4, wherein the number of the guide shafts (18) is two, the bottom of the worktable (7) is provided with a through hole (75) for the guide shaft (18) to pass through, and the bottom of the worktable (7) is further provided with an insertion hole (76) for the push rod (20) to insert.