CN113182596B

CN113182596B - Automatic cutting equipment for copper pipe

Info

Publication number: CN113182596B
Application number: CN202110559192.XA
Authority: CN
Inventors: 谢秉橡
Original assignee: Zhuji Zhiguan Autoparts Co ltd
Current assignee: Zhuji Zhiguan Autoparts Co ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2022-05-27
Anticipated expiration: 2041-05-21
Also published as: CN113182596A

Abstract

The invention discloses automatic copper pipe cutting equipment, which comprises a pipe conveying device and a cutting mechanism, wherein the cutting mechanism comprises a cutting blade driven by a motor, the automatic cutting equipment also comprises a guide rod parallel to the conveying direction of the pipe conveying device, a top plate is arranged on the guide rod in a sliding manner, a first reset elastic part is arranged on one side of the top plate, a sliding assembly capable of sliding vertically is arranged on the top plate, a second reset elastic part is arranged between the sliding assembly and the top plate, the sliding assembly is connected with the cutting mechanism, a guide plate vertical to the top plate is arranged on one side of the top plate, a circulating guide groove is arranged on the guide plate, a guide block is arranged in the circulating guide groove, the guide block is connected with the cutting mechanism through a fixed rod, the circulating guide groove comprises a cutting guide groove and a resetting guide groove, and a one-way limiting structure is arranged at the joint of the cutting guide groove and the resetting guide groove. The automatic cutting equipment for the copper pipe can ensure accurate cutting length and improve processing efficiency.

Description

Automatic cutting equipment for copper pipe

Technical Field

The invention belongs to the technical field of pipe fitting cutting equipment, and particularly relates to automatic copper pipe cutting equipment which is used for automatic fixed-length cutting of pipes and bars made of copper pipes, copper bars and other materials.

Background

The copper pipe cutting machine is a common processing device in machining, a long pipe fitting is required to be cut in a segmented fixed-length mode through the cutting machine in the processing process of the pipe fitting, the existing cutting machine generally comprises a pipe fitting conveying device, a cutting mechanism is arranged on the front side of the pipe fitting conveying device, conveying is stopped when the conveying device conveys a certain distance for the purpose of flattening a cutting surface, and then the pipe fitting is cut through the cutting mechanism. During the cutting process of the pipe fitting of the cutting mechanism, the intermittent conveying pipe of the conveying device ensures the conveying accuracy and the same conveying length each time, and the cutting length is possibly inaccurate if the conveying wheel of the conveying device slips and the like; and intermittent delivery results in less efficient cutting of the tube.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the automatic copper pipe cutting equipment which can not cause the cutting length of the copper pipe to change due to the conveying speed of a conveying device, the slipping of a conveying wheel and other conditions, and ensures the accuracy of the cutting length; and the conveying device continuously conveys without intermittent stop, thereby improving the cutting efficiency.

In order to solve the technical problem, the invention is solved by the following technical scheme: an automatic cutting device for copper pipes comprises a pipe conveying device and a cutting mechanism, wherein the cutting mechanism comprises a motor and a cutting blade driven by the motor, the automatic cutting device further comprises a guide rod parallel to the conveying direction of the pipe conveying device, a top plate is arranged on the guide rod in a sliding manner, a first reset elastic piece is arranged on one side of the top plate, a sliding assembly capable of sliding vertically is arranged on the top plate, a second reset elastic piece is arranged between the sliding assembly and the top plate, the sliding assembly is connected with the cutting mechanism, a guide plate vertical to the top plate is arranged on one side of the top plate, a circulating guide groove is formed in the guide plate, a guide block is arranged in the circulating guide groove and is connected with the cutting mechanism through a fixing rod, the circulating guide groove comprises a cutting guide groove and a reset guide groove, and a one-way limiting structure is arranged at the joint of the cutting guide groove and the reset guide groove, the top plate is pushed by the pipe fitting to enable the guide block to move towards the direction close to the pipe fitting along the cutting guide groove, and when the guide block moves to the bottom of the cutting guide groove, the guide block resets to the top of the cutting guide groove along the resetting guide groove under the elastic force action of the first resetting elastic piece and the second resetting elastic piece. This kind of copper pipe automatic cutout equipment is at the during operation, carry the pipe fitting to the direction of roof through pipe fitting conveyor, when the pipe fitting pushes up the roof on, promote the roof and remove, because the direction of cutting the guide way, the guide block moves towards the direction that is close to the pipe fitting along the cutting guide way, make cutting mechanism move down, guide block and dead lever are located the cutting guide way bottom after crossing one-way limit structure, cutting mechanism just in time cuts off the pipe fitting, under the elastic force effect of first elastic component that resets and second elastic component that resets, the guide block resets and crosses one-way limit structure to cutting guide way top along the guide way that resets, the pipe fitting that is cut off at this in-process drops, and final cutting mechanism also resets to the initial position, continue to cut when next pipe fitting contacts the roof, the processing of cutting pipe fitting circulates like this. The automatic cutting equipment for the copper pipes has the advantages that the pipe conveying device does not need to stop to cut when cutting, the processing efficiency is improved, the advancing speed of the pipe is consistent with the advancing speed of the cutting mechanism all the time, the cutting length of the pipe is determined by the distance between the top plate and the cutting blade, the cutting length of the copper pipe cannot be changed due to the fact that the conveying speed of the conveying device, the conveying wheel slips and the like, and the accuracy of the cutting length is guaranteed.

In the above technical scheme, preferably, the two ends of the guide rod are provided with supporting side plates, the first reset elastic piece is a spring sleeved on the guide rod, and the two ends of the first reset elastic piece are abutted against the supporting side plates and the top plate. Adopt the fixed and support guide bar that this structure can be convenient to first elastic component simple to operate that resets.

Among the above-mentioned technical scheme, it is preferred, be provided with vertical passageway on the roof, it wears to locate to slide the subassembly in the vertical passageway, slide the subassembly including being located the first stopper of vertical passageway both sides, vertical passageway top be provided with the extension spring connecting block on the roof, the second elastic component that resets for set up in first stopper with the extension spring between the extension spring connecting block. The sliding assembly and the connecting mode of the sliding assembly and the top plate are simple in structure and convenient to process.

Among the above-mentioned technical scheme, it is preferred, the subassembly that slides includes the connecting block at both ends and connects the regulation pole of two connecting blocks, it is connected with one to adjust pole one end the connecting block rotates, it is connected with another to adjust the pole other end the connecting block threaded connection, one the connecting block slides and wears to locate in the vertical passageway, another connecting block fixed connection cutting mechanism, be provided with on the deflector with the parallel through-hole of pipe fitting conveyor direction of delivery, wear to be equipped with set screw in the through-hole, the deflector both sides be provided with set nut on the set screw. Adopt this structure can adjust the distance between roof and the cutting piece through rotating the regulation pole to adjust the cutting length of pipe fitting, when adjusting the distance between roof and the cutting piece of course, in order to guarantee that the elasticity of first elastic component that resets is unchangeable, also need adjust the position of deflector on set screw, can adjust the position of deflector on set screw through unscrewing set nut, then tighten set nut again and fix the deflector on set screw and can accomplish the regulation.

In the above technical solution, preferably, the bottom of the joint of the reset guide groove and the cutting guide groove is inclined upward toward the advancing direction of the pipe fitting. Adopt this structure to make after cutting device cuts off the pipe fitting, cutting device is when going upward along the guide way that resets, and the cutting piece can break away from with the terminal surface of pipe fitting fast to make the phenomenon of unevenness appear in the pipe fitting terminal surface because of cutting piece contact pipe fitting terminal surface when preventing cutting device from going upward.

Among the above-mentioned technical scheme, it is preferred, one-way limit structure includes rotor arm, second stopper and the third elastic component that resets, be provided with the bellying on the rotor arm, the third elastic component drive that resets the bellying supports and leans on the second stopper, the bellying strides and locates on the circulation guide way, the dead lever can be followed one side promotion of bellying the rotor arm rotates and crosses the boss, the third elastic component drive that resets the rotor arm resets and by the second stopper is spacing in order to prevent the dead lever is reverse to cross the boss.

In the above technical solution, preferably, the pipe conveying device includes a sliding seat driven by an air cylinder, the sliding seat is provided with a first conveying wheel, a second conveying wheel is arranged on the opposite side of the first conveying wheel, the sliding seat can be pushed by the air cylinder to clamp the first conveying wheel and the second conveying wheel and convey the pipe, the sliding seat can be pulled back by the air cylinder to enlarge the distance between the first conveying wheel and the second conveying wheel, and at least one of the first conveying wheel and the second conveying wheel is a driving wheel driven by a motor. Adopt this structure can press from both sides tightly or loosen the pipe fitting through first delivery wheel of cylinder control and second delivery wheel to convenient joining waits the pipe fitting of cutting.

In the above technical solution, preferably, the automatic copper pipe cutting device further includes an automatic feeding device, the automatic feeding device includes a positioning plate having an inclined guide channel, a feeding dial wheel, and a travel switch located between the pipe conveying device and the cutting mechanism, the inclined guide channel has a circular arc-shaped guide channel at its bottom, a portion of the circular arc-shaped guide channel is aligned with the positions where the first conveying wheel and the second conveying wheel clamp the pipe, the feeding dial wheel driven by a motor is coaxially disposed at one side of the circular arc-shaped guide channel, a notch is disposed on the periphery of the feeding dial wheel, the notch can slide into the pipe when aligned with the bottom of the inclined guide channel, the pipe is rotated by the feeding dial wheel and enters the positions where the first conveying wheel and the second conveying wheel clamp the pipe along the circular arc-shaped guide channel, the cylinder, the travel switch and a motor for driving the feeding thumb wheel are connected with a control device. By adopting the structure, the pipe fittings to be cut can be automatically added on the pipe fitting conveying device, when in processing, a worker only needs to arrange a plurality of pipe fittings in the inclined guide channel, and the pipe fittings enter the positions of the first conveying wheel and the second conveying wheel for clamping the pipe fittings by stirring through the feeding shifting wheel. Specifically, the first conveying wheel and the second conveying wheel clamp the pipe fitting to convey, at the moment, the pipe fitting presses the travel switch, when the end part of the pipe fitting is conveyed out of the space between the first conveying wheel and the second conveying wheel, the tail part of the pipe fitting automatically falls off, the travel switch resets and sends an electric signal to the control device, the control device controls the cylinder to retract, the first conveying wheel and the second conveying wheel are separated by a certain distance, then the feeding shifting wheel rotates, and when the notch is aligned with the bottom of the inclined guide channel, the pipe fitting slides into the notch, the pipe fitting rotates by the feeding thumb wheel and enters the positions of the first conveying wheel and the second conveying wheel for clamping the pipe fitting along the circular arc-shaped guide channel, at the moment, the travel switch is pressed down and sends an electric signal to the control device, the control device controls the cylinder to extend out again, and the first conveying wheel and the second conveying wheel continue to clamp the pipe fitting for conveying to finish one-time automatic feeding.

In the above technical scheme, preferably, waist holes are formed in the two sides of the notch on the feeding thumb wheel, a limiting strip is arranged between the waist holes in a spanning mode through bolts and nuts, an intermediate connecting plate is arranged between the sliding seat and the air cylinder and connected with the air cylinder, an adjusting screw is arranged on the intermediate connecting plate in a rotating mode and connected with the sliding seat in a threaded mode. By adopting the structure, the position of the limiting strip can be adjusted to adjust the size of the opening formed by the limiting strip and the notch, so that only one pipe fitting enters the opening formed by the limiting strip and the notch each time, and the structure is suitable for processing pipe fittings with different pipe diameters; the distance between the first conveying wheel and the second conveying wheel when the cylinder extends out can be adjusted by rotating the adjusting screw rod, and the adjustable cylinder is also suitable for machining pipe fittings with different pipe diameters.

Among the above-mentioned technical scheme, preferred, be provided with the pipe fitting supporting seat on the roof in the supplied materials side of pipe fitting. Adopt this structure to be used for supporting the pipe fitting, the pipe fitting leads to the terminal surface cutting unevenness because of deformation when preventing to cut.

Compared with the prior art, the invention has the following beneficial effects: the automatic cutting equipment for the copper pipe is characterized in that the pipe fitting is conveyed towards the top plate through the pipe fitting conveying device, when the pipe fitting is pushed onto the top plate, the top plate is pushed to move, when the top plate moves, due to the guiding of the cutting guide groove, the guide block moves towards the direction close to the pipe fitting along the cutting guide groove, so that the cutting mechanism moves downwards, the guide block and the fixed rod are located at the bottom of the cutting guide groove after crossing the one-way limiting structure, at the moment, the cutting mechanism just cuts off the pipe fitting, under the elastic action of the first reset elastic piece and the second reset elastic piece, the guide block resets along the reset guide groove and crosses the one-way limiting structure to the top of the cutting guide groove, the pipe fitting cut off in the process drops, the final cutting mechanism also resets to the initial position, the pipe fitting continues to be cut when the next time of the pipe fitting contacts the top plate, and the pipe fitting is cut in a circulating mode. The automatic cutting equipment for the copper pipes has the advantages that the pipe conveying device does not need to stop to cut when cutting, the processing efficiency is improved, the advancing speed of the pipe is consistent with the advancing speed of the cutting mechanism all the time, the cutting length of the pipe is determined by the distance between the top plate and the cutting blade, the cutting length of the copper pipe cannot be changed due to the fact that the conveying speed of the conveying device, the conveying wheel slips and the like, and the accuracy of the cutting length is guaranteed.

Drawings

Fig. 1 is a partial structural schematic diagram of an embodiment of the present invention.

FIG. 2 is a schematic structural diagram of the present invention during processing.

Fig. 3 is a schematic structural diagram in another direction according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a guide plate in an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a feeding thumb wheel in an embodiment of the invention.

Detailed Description

The invention is described in further detail below with reference to the following figures and embodiments: referring to fig. 1 to 5, an automatic cutting apparatus for copper pipes comprises a pipe conveying device 1 and a cutting mechanism 2, wherein the cutting mechanism 2 comprises a cutting blade 21 driven by a motor, the automatic cutting apparatus further comprises a guide rod 3 parallel to the conveying direction of the pipe conveying device 1, a top plate 4 is slidably arranged on the guide rod 3, a first reset elastic member 5 is arranged on one side of the top plate 4, a sliding assembly 6 capable of vertically sliding is arranged on the top plate 4, a second reset elastic member 7 is arranged between the sliding assembly 6 and the top plate 4, the sliding assembly 6 is connected with the cutting mechanism 2, a guide plate 8 perpendicular to the top plate 4 is arranged on one side of the top plate 4, a circulating guide groove 81 is arranged on the guide plate 8, a guide block 82 is arranged in the circulating guide groove 81, the guide block 82 is connected with the cutting mechanism 2 through a fixing rod 9, the circulating guide groove 81 comprises a cutting guide groove 811 and a reset guide groove 812, the joint of the cutting guide groove 811 and the reset guide groove 812 is provided with a one-way limiting structure 83, the top plate 4 is pushed by the pipe fitting to enable the guide block 82 to move towards the direction close to the pipe fitting along the cutting guide groove 811, and the guide block 82 resets to the top of the cutting guide groove 811 along the reset guide groove 812 under the elastic action of the first reset elastic piece 5 and the second reset elastic piece 7 when moving to the bottom of the cutting guide groove 811. When the automatic copper pipe cutting equipment works, the pipe fitting 200 is conveyed towards the direction of the top plate 4 by the pipe fitting conveying device 1, when the pipe fitting 200 is pushed onto the top plate 4, the top plate 4 is pushed to move, due to the guiding of the cutting guide groove 811, the guide block 82 moves towards the direction close to the pipe fitting 200 along the cutting guide groove 811, so that the cutting mechanism 2 moves downwards, the guide block 82 and the fixing rod 9 are positioned at the bottom of the cutting guide groove 811 after passing through the one-way limiting structure 83, at the moment, the cutting mechanism 2 just cuts off the pipe fitting 200, under the elastic force action of the first resetting elastic piece 5 and the second resetting elastic piece 7, the guide block 82 resets along the resetting guide groove 812 and passes through the one-way limiting structure 83 to the top of the cutting guide groove 811, the cut pipe fitting 200 drops in the process, and finally the cutting mechanism 2 also resets to the initial position, and continues to cut when the next pipe fitting 200 contacts the top plate 4, the processing of cutting the pipe fitting is circularly carried out in the way. The pipe conveying device does not need to stop to cut when the automatic cutting equipment for the copper pipe cuts, the processing efficiency is improved, the advancing speed of the pipe 200 is consistent with the advancing speed of the cutting mechanism 2 all the time, the cutting length of the pipe 200 is determined by the distance between the top plate 4 and the cutting piece 21, the cutting length of the copper pipe cannot be changed due to the conveying speed of the conveying device and the conditions of slipping of the conveying wheel and the like, and the accuracy of the cutting length is guaranteed.

In this embodiment, the two ends of the guide rod 3 are provided with supporting side plates 100, the first reset elastic member 5 is a spring sleeved on the guide rod 3, and the two ends of the first reset elastic member 5 abut against the supporting side plates 100 and the top plate 4.

In this embodiment, be provided with vertical passageway 41 on roof 4, slide in subassembly 6 wears to locate vertical passageway 41, slide subassembly 6 including the first stopper 61 that is located vertical passageway 41 both sides, be provided with extension spring connecting block 42 on roof 4 of vertical passageway 41 top, the second elastic component 7 that resets is the extension spring that sets up between first stopper 61 and extension spring connecting block 42.

In this embodiment, the sliding assembly 6 includes the connecting blocks 62 at both ends and the adjusting rods 63 connecting the two connecting blocks, one end of the adjusting rod 63 is rotatably connected with one connecting block 62, the other end of the adjusting rod 63 is in threaded connection with the other connecting block 62, one connecting block 62 is slidably disposed in the vertical channel 41, another connecting block 62 is fixedly connected with the cutting mechanism 2, the guide plate 8 is provided with a through hole 84 parallel to the conveying direction of the pipe conveying device 1, a fixing screw 85 is disposed in the through hole 84 in a penetrating manner, in this embodiment, both ends of the fixing screw 85 are also fixed on the supporting side plates 100, and the fixing screws 85 on both sides of the guide plate 8 are provided with positioning nuts 86. Adopt this structure can adjust the distance between roof and the cutting piece 21 through rotating adjusting rod 63 to adjust the cutting length of pipe fitting 200, of course when adjusting the distance between roof 4 and the cutting piece 21, in order to guarantee that the elasticity of first elastic component 5 that resets is unchangeable, also need adjust the position of deflector 8 on fixing screw 85, can adjust the position of deflector 8 on fixing screw 85 through unscrewing set nut 86, then screw up set nut 86 again and fix deflector 8 on fixing screw 85 and can accomplish the regulation.

In this embodiment, the bottom of the joint of the reset guide groove 812 and the cutting guide groove 811 is inclined upward toward the advancing direction of the pipe.

In this embodiment, the one-way limiting structure 83 includes a rotating arm 831, a second limiting block 832 and a third elastic restoring piece 833, a protrusion 834 is disposed on the rotating arm 831, the third elastic restoring piece 833 drives the protrusion 834 to abut against the second limiting block 832, the protrusion 834 spans the circulation guide slot 81, the fixing rod 9 can push the rotating arm 831 to rotate and cross the protrusion 834 from one side of the protrusion 834, and the third elastic restoring piece 833 drives the rotating arm 831 to restore and is limited by the second limiting block 832 to prevent the fixing rod 9 from reversely crossing the protrusion 834. Of course, the one-way limiting structure 83 may also be another structure, so long as the fixing rod 9 is ensured to be capable of crossing from one side and cannot cross in the opposite direction, thereby ensuring that the fixing rod 9 can only move along one direction of the circulating guide groove 81.

In this embodiment, the pipe conveying device 1 includes a sliding seat 12 driven by a cylinder 11, a first conveying wheel 13 is disposed on the sliding seat 12, a second conveying wheel 14 is disposed on the opposite side of the first conveying wheel 13, the sliding seat 12 can be pushed by the cylinder 11 to enable the first conveying wheel 13 and the second conveying wheel 14 to clamp and convey the pipe 200, the sliding seat 12 can be pulled back by the cylinder 11 to enable the distance between the first conveying wheel 13 and the second conveying wheel 14 to be enlarged, and at least one of the first conveying wheel 13 and the second conveying wheel 14 is a driving wheel driven by a motor. With this structure, the first and second feed wheels 13 and 14 can be controlled by the air cylinder 11 to clamp or unclamp the pipe 200, thereby facilitating the introduction of the pipe 200 to be cut.

In this embodiment, the automatic copper pipe cutting apparatus further includes an automatic feeding device 10, the automatic feeding device 10 includes a positioning plate 102 having an inclined guide channel 101, a feeding thumb wheel 103, and a travel switch 104 located between the pipe conveying device 1 and the cutting mechanism 2, the bottom of the inclined guide channel 101 is provided with an arc-shaped guide channel 105, a portion of the arc-shaped guide channel 105 is aligned with a position where the first conveying wheel 13 and the second conveying wheel 14 clamp the pipe 200, one side of the arc-shaped guide channel 105 is coaxially provided with the feeding thumb wheel 103 driven by a motor, the periphery of the feeding thumb wheel 103 is provided with a notch 106, the notch 106 can slide into the pipe 200 when being aligned with the bottom of the inclined guide channel 101, the pipe 200 is rotated by the feeding thumb wheel 103 and enters the positions where the first conveying wheel 13 and the second conveying wheel 14 clamp the pipe 200 along the arc-shaped guide channel 105, and the cylinder 11, the control device is connected to the travel switch 104 and the motor for driving the feed wheel 103. By adopting the structure, the pipe fitting 200 to be cut can be automatically added on the pipe fitting conveying device 1, when in processing, a worker only needs to arrange a plurality of pipe fittings 200 in the inclined guide channel 101, and the pipe fitting 200 is shifted to enter the position of the first conveying wheel 13 and the second conveying wheel 14 for clamping the pipe fitting 200 through the feeding shifting wheel 103. Specifically, first conveying wheel 13 and second conveying wheel 14 clamp pipe 200 for conveying, at this time, pipe 200 presses travel switch 104, when the end of pipe 200 is conveyed out between first conveying wheel 13 and second conveying wheel 14, the tail of pipe 200 automatically drops, travel switch 104 resets and sends an electric signal to control device, control device controls air cylinder 11 to retract, first conveying wheel 13 and second conveying wheel 14 are separated by a distance, then feeding dial wheel 103 rotates, pipe 200 slides into notch 106 along inclined guide channel 101 due to its own gravity when notch 106 is aligned with the bottom of inclined guide channel 101, pipe 200 rotates along circular arc guide channel 105 by feeding dial wheel 103 and enters the position where pipe 200 is clamped by first conveying wheel 13 and second conveying wheel 14, at this time, travel switch 104 is pressed down and sends an electric signal to control device, control device controls air cylinder 11 to extend, the first conveying wheel 13 and the second conveying wheel 14 continue to clamp the pipe fitting 200 for conveying, and one-time automatic feeding is completed.

In this embodiment, the feeding thumb wheel 103 is located notch 106 both sides and all is provided with waist hole 107, strides through bolt and nut between the waist hole 107 and is equipped with spacing strip 108, sets up intermediate junction plate 15 between sliding seat 12 and the cylinder 11, and intermediate junction plate 15 is connected with cylinder 11, rotates on the intermediate junction plate 15 and is provided with adjusting screw, adjusting screw and sliding seat 12 threaded connection. By adopting the structure, the position of the limiting strip 108 can be adjusted to adjust the size of the opening formed by the limiting strip 108 and the notch 106, so that only one pipe fitting 200 enters the opening formed by the limiting strip 108 and the notch 106 at each time, and the structure can be suitable for processing pipe fittings 200 with different pipe diameters; the distance between the first conveying wheel 13 and the second conveying wheel 14 when the cylinder 11 extends out can be adjusted by rotating the adjusting screw, and the same is suitable for processing pipe fittings 200 with different pipe diameters.

In this embodiment, the top plate 4 is provided with a pipe support seat 43 on the incoming side of the pipe 200. Adopt this structure to be used for supporting pipe fitting 200, pipe fitting 200 leads to the terminal surface cutting unevenness because of deformation when preventing the cutting.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.

Claims

1. The utility model provides a copper pipe automatic cutout equipment, includes pipe fitting conveyor (1) and cutting mechanism (2), cutting mechanism (2) include by a motor drive's cutting piece (21), its characterized in that: the automatic cutting equipment further comprises a guide rod (3) parallel to the conveying direction of the pipe fitting conveying device (1), a top plate (4) is arranged on the guide rod (3) in a sliding mode, a first reset elastic piece (5) is arranged on one side of the top plate (4), a sliding assembly (6) capable of sliding vertically is arranged on the top plate (4), a second reset elastic piece (7) is arranged between the sliding assembly (6) and the top plate (4), the sliding assembly (6) is connected with the cutting mechanism (2), a guide plate (8) perpendicular to the top plate (4) is arranged on one side of the top plate (4), a circulating guide groove (81) is formed in the guide plate (8), a guide block (82) is arranged in the circulating guide groove (81), and the guide block (82) is connected with the cutting mechanism (2) through a fixing rod (9), circulation guide way (81) are including cutting guide way (811) and reset guide way (812), cutting guide way (811) with reset guide way (812) meet the department and be provided with one-way limit structure (83), roof (4) are pushed by the pipe fitting and can make guide block (82) follow cutting guide way (811) move towards the direction that is close to the pipe fitting, guide block (82) move to when cutting guide way (811) bottom first elastic component (5) that resets with the spring action of second elastic component (7) down along reset guide way (812) reset to cutting guide way (811) top, reset guide way (812) with the bottom that cutting guide way (811) meet the department inclines upwards to pipe fitting direction of advance.

2. An automatic copper pipe cutting apparatus as claimed in claim 1, wherein: the utility model discloses a roof support structure, including guide bar (3), first elastic component that resets (5) are located for the cover spring on guide bar (3), first elastic component that resets (5) both ends are supported and are leaned on support curb plate (100) with roof (4).

3. An automatic copper pipe cutting apparatus as claimed in claim 1, wherein: be provided with vertical passageway (41) on roof (4), slide subassembly (6) and wear to locate in vertical passageway (41), slide subassembly (6) including being located the first stopper (61) of vertical passageway (41) both sides, vertical passageway (41) top be provided with extension spring connecting block (42) on roof (4), second elastic component (7) that resets for set up in first stopper (61) with extension spring between extension spring connecting block (42).

4. An automatic copper pipe cutting apparatus as claimed in claim 3, wherein: slide subassembly (6) and adjust pole (63) including connecting block (62) at both ends and connecting two connecting blocks, adjust pole (63) one end and one connecting block (62) rotate to be connected, adjust pole (63) other end and another connecting block (62) threaded connection, one connecting block (62) slide and wear to locate in vertical passageway (41), another connecting block (62) fixed connection cutting mechanism (2), be provided with on deflector (8) with pipe fitting conveyor (1) direction of delivery parallel through-hole (84), wear to be equipped with in through-hole (84) set screw (85), deflector (8) both sides be provided with set nut (86) on set screw (85).

5. An automatic copper pipe cutting apparatus as claimed in claim 1, wherein: one-way limit structure (83) include rotor arm (831), second stopper (832) and third elastic component (833) that resets, be provided with bellying (834) on rotor arm (831), third elastic component (833) drive that resets boss (834) support and lean on second stopper (832), bellying (834) span locate on circulation guide way (81), dead lever (9) can be followed one side promotion of boss (834) rotor arm (831) rotate and cross boss (834), third elastic component (833) drive that resets rotor arm (831) reset and by second stopper (832) are spacing in order to prevent dead lever (9) are reverse to cross boss (834).

6. An automatic copper pipe cutting apparatus as claimed in claim 1, wherein: the pipe conveying device (1) comprises a sliding seat (12) driven by an air cylinder (11), wherein a first conveying wheel (13) is arranged on the sliding seat (12), a second conveying wheel (14) is arranged on the opposite side of the first conveying wheel (13), the sliding seat (12) can be pushed by the air cylinder (11) to enable the first conveying wheel (13) and the second conveying wheel (14) to clamp and convey a pipe (200), the sliding seat (12) can be pulled back by the air cylinder (11) to enable the distance between the first conveying wheel (13) and the second conveying wheel (14) to be enlarged, and at least one of the first conveying wheel (13) and the second conveying wheel (14) is a driving wheel driven by a motor.

7. An automatic copper pipe cutting apparatus as claimed in claim 6, wherein: the automatic copper pipe cutting equipment further comprises an automatic feeding device (10), the automatic feeding device (10) comprises a positioning plate (102) with an inclined guide channel (101), a feeding shifting wheel (103) and a travel switch (104) located between the pipe conveying device (1) and the cutting mechanism (2), the bottom of the inclined guide channel (101) is provided with a circular arc-shaped guide channel (105), one part of the circular arc-shaped guide channel (105) is aligned with the positions of the first conveying wheel (13) and the second conveying wheel (14) for clamping the pipe (200), one side of the circular arc-shaped guide channel (105) is coaxially provided with the feeding shifting wheel (103) driven by a motor, the periphery of the feeding shifting wheel (103) is provided with a notch (106), and the notch (106) can slide into the pipe (200) when being aligned with the bottom of the inclined guide channel (101), the pipe fitting (200) is rotated by the feeding thumb wheel (103) and enters the positions of the first conveying wheel (13) and the second conveying wheel (14) for clamping the pipe fitting (200) along the circular arc-shaped guide channel (105), and the air cylinder (11), the travel switch (104) and a motor for driving the feeding thumb wheel (103) are connected with a control device.

8. An automatic copper pipe cutting apparatus as claimed in claim 7, wherein: the feeding thumb wheel (103) is positioned on the two sides of the notch (106) and is provided with a waist hole (107), a limiting strip (108) is arranged between the waist holes (107) in a spanning mode through bolts and nuts, the sliding seat (12) and the air cylinder (11) are provided with an intermediate connecting plate (15), the intermediate connecting plate (15) is connected with the air cylinder (11), the intermediate connecting plate (15) is provided with an adjusting screw rod in a rotating mode, and the adjusting screw rod is in threaded connection with the sliding seat (12).

9. An automatic copper pipe cutting apparatus as claimed in claim 1, wherein: and a pipe fitting supporting seat (43) is arranged on the top plate (4) at the feeding side of the pipe fitting (200).