CN212945727U

CN212945727U - Automatic pipe cutting machine

Info

Publication number: CN212945727U
Application number: CN202021730052.1U
Authority: CN
Inventors: 纪根赢
Original assignee: Zhejiang Jinbo Bearing Manufacturing Co ltd
Current assignee: Zhejiang Jinborui Precision Machinery Co ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-04-13
Anticipated expiration: 2030-08-18

Abstract

The utility model relates to an automatic pipe cutting machine, which comprises a processing table and a portal frame arranged on the processing table, a cutting groove is arranged at the bottom of the portal frame on the upper surface of the processing table, a pipe cutting assembly is arranged on the portal frame, the pipe cutting assembly comprises a lifting cylinder arranged at the top of the portal frame and a lifting rod connected to the output end of the lifting cylinder along the vertical direction, the lower end of the lifting rod penetrates through the top of the gantry frame and is connected with a lifting seat, a pipe cutting motor is arranged on the lifting seat, the output end of the pipe cutting motor is transversely connected with a pipe cutting shaft, the end part of the pipe cutting shaft is provided with a cutter positioned above the cutting groove, processing bench upper surface is provided with and is used for pressing from both sides the tight fixed pay-off subassembly of clamp of tight fixed pipe form steel pipe one end and pay-off pipe cutting processing, the utility model provides a make things convenient for propelling movement feeding, steel pipe to fix to place and the high automatic pipe cutting machine of pipe cutting processingquality.

Description

Automatic pipe cutting machine

Technical Field

The utility model relates to an automatic pipe cutting machine.

Background

In the production process of the bearing, the raw steel pipe is usually required to be subjected to pipe cutting processing, the existing pipe cutting machine structure usually comprises a processing table and a portal frame arranged on the processing table, a cutting groove is arranged at the bottom of a portal frame on the upper surface of the processing table, a pipe cutting assembly is arranged on the portal frame and comprises a lifting cylinder arranged at the top of the portal frame and a lifting rod connected to the output end of the lifting cylinder along the vertical direction, the lower end of the lifting rod penetrates through the top of the portal frame and is connected with a lifting seat, a pipe cutting motor is arranged on the lifting seat, the output end of the pipe cutting motor is transversely connected with a pipe cutting shaft, be provided with the cutter that is located the grooving top at pipe cutting shaft tip, current pipe cutting machine needs artifical propelling movement feeding, uses inconvenient while for the just pipe of pipe shape is fixed not in place to its structure for just tub of incision quality is relatively poor, from this needs to improve.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a make things convenient for propelling movement feeding, steel pipe to fix to place and the high automatic pipe cutting machine of pipe cutting processingquality.

The technical scheme of the utility model is realized like this: the utility model provides an automatic pipe cutting machine, includes processing platform and sets up the portal frame at the processing bench, the grooving has been seted up to the portal frame bottom of processing bench upper surface, be provided with the pipe cutting subassembly on the portal frame, the pipe cutting subassembly is including setting up at the lift cylinder at portal frame top and connecting the lifter at lift cylinder output along vertical direction, the lifter lower extreme runs through and is connected with the lift seat behind the portal frame top, install the pipe cutting motor on the lift seat, pipe cutting motor output has the pipe cutting axle along transverse connection, pipe cutting axle tip is provided with the cutter that is located the grooving top, its characterized in that: the processing table is characterized in that a clamping and fixing feeding assembly for clamping and fixing one end of a circular tube-shaped steel pipe and feeding and pipe cutting is arranged on the upper surface of the processing table, the clamping and fixing feeding assembly comprises a columnar main fixing block with one end facing the lower part of the portal frame and an inner cavity formed in the main fixing block, at least three mounting plates are sequentially arranged on the side wall of one end, facing the portal frame, of the main fixing block at equal intervals along the circumferential direction, clamping fixing claws are hinged to the at least three mounting plates in a one-to-one correspondence manner, at least three openings communicated with the inner cavity are formed in the side wall of the main fixing block along the circumferential direction, an ejector rod for ejecting the clamping fixing claws close to one end of the side wall of the main fixing block is arranged in a sliding mode at the opening position, a sliding block is arranged in the inner cavity along the, ejector pin inclined plane end and slider round platform lateral wall sliding contact, one side that the portal frame was kept away from to the inner chamber is provided with the sideslip drive assembly who is used for driving slider lateral sliding, sideslip drive assembly is including setting up the driving motor in the inner chamber, driving motor's output has the screw rod along transverse connection, driving motor's one end is kept away from to the screw rod is rotated and is run through the slider, one side that the portal frame was kept away from just to be located main fixed block of processing bench upper surface is provided with the propelling movement cylinder, the propelling movement cylinder passes through output along transverse connection's push rod and main fixed block fixed connection. By adopting the technical scheme, the clamping and fixing feeding assembly for clamping and fixing one end of the circular tube-shaped steel pipe and feeding and cutting the pipe is arranged on the upper surface of the processing table, when in use, one end of the circular tube-shaped steel pipe is abutted against one end of the main fixing block facing the portal frame, the driving motor arranged in the inner cavity operates, the screw rod connected with the output end of the driving motor rotates so as to drive the sliding block to transversely slide towards the portal frame, one end of the sliding block facing the portal frame is in a circular truncated cone shape, one end of the ejector rod facing the circular truncated cone side wall of the sliding block is matched and arranged to be an inclined plane, the inclined plane end of the ejector rod is in sliding contact with the circular truncated cone side wall of the sliding block, one end of at least three ejector rods slides outwards along with the sliding of the sliding block, the clamping and fixing claws are correspondingly hinged on at least, thereby, the round tubular steel pipe is matched, clamped and fixed evenly along the circumferential direction, after clamping and fixing of one end is completed, a pushing cylinder is arranged on the upper surface of the processing table and is positioned on one side of the main fixing block far away from the portal frame, the pushing cylinder is fixedly connected with the main fixing block along a pushing rod which is transversely connected through an output end, the pushing rod is driven by the pushing cylinder to push out, the main fixing block is driven to move towards the lower part of the portal frame, after the round tubular steel pipe is pushed to the lower part of the portal frame, the pushing cylinder stops pushing, then, a pipe cutting motor on the lifting seat operates to drive the pipe cutting shaft to rotate, the cutter is driven to rotate, the lifting rod is driven by the lifting cylinder to push out downwards, the lifting seat at the lower end of the lifting rod is driven to lift downwards, pipe cutting processing is performed on the round tubular steel pipe through the cutter, after pipe cutting processing is completed, the lifting, drive propelling movement pipe form steel pipe, then cut the pipe processing, accomplish whole processing and cut the back of managing, the driving motor operation that sets up in the inner chamber, the screw rod antiport that its output is connected, thereby drive the slider to the direction lateral sliding who keeps away from the portal frame, thereby make three ejector pin looks remote site lose the support, and to inside intracavity portion slip, press from both sides tight stationary dog and lose the back of supporting, the fixed pipe form steel pipe of tight fixed circle of stopping clamp, supply operating personnel to take off the end steel pipe of accomplishing the processing afterwards, for prior art, do not need artifical propelling movement feeding, the fixed clamp steel pipe of clamp carries out pipe cutting processing simultaneously, and is simple to use reliable, and the security is high, the utility model provides a make things convenient for propelling movement feeding, the steel pipe is fixed to target in place and the high automatic pipe cutting machine.

The utility model discloses further set up to: the end, far away from the portal frame, of the main fixing block is provided with a fixing round table, and an insertion groove for inserting the round tubular steel pipe is formed in the table top of the end, far away from the main fixing block, of the fixing round table.

By adopting the technical scheme, in order to further enhance the fixing effect on the circular tube-shaped steel pipe, the end, far away from the portal frame, of the main fixing block is provided with the fixing circular truncated cone, the table top at the end, far away from the main fixing block, of the fixing circular truncated cone is provided with the insertion groove for inserting the circular tube-shaped steel pipe, and the steel pipe is fixed by utilizing the insertion groove to be matched with the clamping fixing claw.

The utility model discloses further set up to: the fixed round platform side wall is provided with a reset assembly used for jacking and clamping the fixed claw to rotate, the reset assembly comprises a reset groove formed in the fixed round platform side wall, a reset spring with one end connected to the bottom in the reset groove, and a reset top block connected to the upper end of the reset spring and in sliding contact with the inner wall of the reset groove, and the end part of the reset top block jacks the side wall of the fixed claw.

By adopting the technical scheme, when in use, one end of the circular tube-shaped steel pipe is abutted to one end of the main fixing block facing the portal frame, the driving motor arranged in the inner cavity operates, the screw rod connected with the output end of the driving motor rotates to drive the sliding block to transversely slide towards the portal frame, one end of at least three ejector rods outwards slides along with the sliding of the sliding block, so that one end of the clamping fixing claw is abutted, the opposite end parts of at least three clamping fixing claws approach to the center of the central axis of the main fixing block, so that the circular tube-shaped steel pipe is uniformly clamped and fixed in a matching way along the circumferential direction, the resetting ejector block slides in the resetting groove after being extruded by the clamping fixing claws, the resetting spring is compressed, after the whole machining and pipe cutting are completed, the driving motor arranged in the inner cavity operates, the screw rod connected with the output end of the resetting ejector block reversely rotates, thereby make three ejector pin looks remote terminals lose the support to inside the slip of cavity, press from both sides tight stationary dog and lose the back that supports, stop to press from both sides tight fixed circular tube form steel pipe, and under reset spring reply effect, the kicking block that resets is outwards ejecting, drive and press from both sides tight stationary dog and rotate and reset, so that supply operating personnel to take off the end section steel pipe of accomplishing the processing afterwards, and accomplish the fixed use of next circular tube form steel pipe.

The utility model discloses further set up to: and a guide block is arranged between the portal frame and the main fixed block and on the upper surface of the processing table, and a V-shaped groove for the circular tube-shaped steel tube to slide in is transversely formed in the upper surface of the guide block.

Through adopting above-mentioned technical scheme, support in order to improve further the steel pipe of cutting the pipe course of working and cut the pipe incision quality, be provided with the guide block between portal frame and main fixed block and be located the processing platform upper surface, the guide block upper surface is along transversely offering the V style of calligraphy groove that supplies the pipe form steel pipe to slide wherein, the steel pipe is at the propelling movement in-process, and the steel pipe slides along V style of calligraphy groove both sides cell wall to at the pipe cutting in-process, provide the support to the steel pipe.

The utility model discloses further set up to: the upper surface of the processing table is provided with a matching and compressing assembly for pressing a round tubular steel pipe downwards in a V-shaped groove in a pipe cutting process, the matching and compressing assembly comprises a matching portal frame arranged on the upper surface of the processing table and a matching cylinder arranged at the top of the matching portal frame, the output end of the matching cylinder is connected with a matching rod along the vertical direction, the lower end of the matching rod penetrates through the matching portal frame and then is connected with a matching pressing block, and the lower surface of the matching pressing block is provided with a rubber pressing block.

By adopting the technical scheme, when in use, one end of the circular tube-shaped steel pipe is abutted to one end of the main fixing block facing the portal frame, the driving motor arranged in the inner cavity operates, the screw rod connected with the output end of the circular tube-shaped steel pipe rotates to drive the sliding block to transversely slide towards the portal frame, one end of at least three ejector rods outwards slides along with the sliding of the sliding block, the clamping fixing claws are hinged on at least three mounting plates in a one-to-one correspondence manner, so that one end of the clamping fixing claw is abutted, the opposite end parts of the at least three clamping fixing claws are close to the center of the central axis of the main fixing block, so that the circular tube-shaped steel pipe is uniformly matched, clamped and fixed along the circumferential direction, after the clamping and fixing of one end is completed, the pushing rod is driven by the pushing cylinder to push out, the main fixing block is driven to move towards the lower part of, then, the matching cylinder drives the matching rod to push out downwards to drive the matching pressing block and the rubber pressing block to extrude and fix the steel pipe downwards in the V-shaped groove, a pipe cutting motor on the lifting seat operates to drive a pipe cutting shaft to rotate, a cutter is driven to rotate and is driven by the lifting cylinder to push out the lifting rod downwards to drive a lifting seat at the lower end of the lifting rod to lift downwards, pipe cutting processing is carried out on the round pipe-shaped steel pipe through the cutter, after pipe cutting processing is completed, the lifting rod retracts into the lifting seat to lift upwards, the pushing cylinder operates to continuously push the main fixing block through the pushing rod to drive the round pipe-shaped steel pipe to be pushed, then pipe cutting processing is carried out, after all pipe cutting processing is completed, the driving motor arranged in the inner cavity operates, a screw rod connected with the output end of the driving motor reversely rotates to drive the sliding block to transversely slide in the direction far away from the portal frame, so, and after the clamping fixing claws lose the support, stopping clamping and fixing the round tubular steel pipe, and then taking down the end section steel pipe which is finished by machining by an operator.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

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

Fig. 2 is a partially enlarged structural diagram of a portion a in fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-2, the utility model discloses an automatic pipe cutting machine, which comprises a processing table 1 and a portal frame 2 arranged on the processing table 1, wherein a cutting groove 3 is arranged at the bottom of the portal frame 2 on the upper surface of the processing table 1, a pipe cutting component is arranged on the portal frame 2, the pipe cutting component comprises a lifting cylinder 4 arranged at the top of the portal frame 2 and a lifting rod 5 connected with the output end of the lifting cylinder 4 along the vertical direction, the lower end of the lifting rod 5 penetrates through the top of the portal frame 2 and is connected with a lifting seat 6, a pipe cutting motor 7 is arranged on the lifting seat 6, the output end of the pipe cutting motor 7 is transversely connected with a pipe cutting shaft 8, the end part of the pipe cutting shaft 8 is provided with a cutter positioned above the cutting groove 3, in the embodiment of the utility model, the upper surface of the processing table 1 is provided with a clamping fixing and feeding component for clamping and fixing one end of a, the clamping and fixing feeding assembly comprises a columnar main fixing block 11 with one end facing the lower part of the portal frame 2 and an inner cavity 12 arranged inside the main fixing block 11, the main fixing block 11 is provided with at least three mounting plates 13 at equal intervals along the circumferential direction on the side wall of one end of the portal frame 2, the at least three mounting plates 13 are hinged with clamping fixing claws 14 in a one-to-one correspondence manner, the side wall of the main fixing block 11 is provided with at least three openings 15 communicated with the inner cavity 12 along the circumferential direction, the opening 15 is provided with a push rod 16 in a sliding manner and used for pushing against one end, close to one end of the side wall of the main fixing block 11, of each clamping fixing claw 14, the inner cavity 12 is provided with a slide block 17 along a transverse sliding manner, one end, facing the portal frame 2, of the slide block 17 is in a circular truncated cone shape, the push rod 16 is arranged in, one side that portal frame 2 was kept away from to inner chamber 12 is provided with the sideslip drive assembly that is used for driving slider 17 lateral sliding, sideslip drive assembly is including setting up driving motor 18 in inner chamber 12, driving motor 18's output has screw rod 19 along transverse connection, the one end that driving motor 18 was kept away from to screw rod 19 rotates and runs through slider 17, the processing platform 1 upper surface just is located one side that portal frame 2 was kept away from to main fixed block 11 and is provided with propelling movement cylinder 21, propelling movement cylinder 21 passes through output along transverse connection's push rod 22 and main fixed block 11 fixed connection.

By adopting the technical scheme, the clamping and fixing feeding assembly for clamping and fixing one end of the round tubular steel pipe and feeding and cutting the pipe is arranged on the upper surface of the processing table 1, when in use, one end of the round tubular steel pipe is abutted against one end of the main fixing block 11 facing the portal frame 2, the driving motor 18 arranged in the inner cavity 12 runs, the screw 19 connected with the output end of the driving motor rotates to drive the sliding block 17 to transversely slide towards the portal frame 2, one end of the sliding block 17 facing the portal frame 2 is in a circular truncated cone shape, the ejector rod 16 is matched and arranged in an inclined plane towards one end of the circular truncated cone side wall of the sliding block 17, the inclined plane end of the ejector rod 16 is in sliding contact with the circular truncated cone side wall of the sliding block 17, one end of at least three ejector rods 16 slides outwards along with the sliding of the sliding block 17, the clamping and fixing claws 14 are correspondingly hinged on at least three mounting plates 13 one by one, so as to prop against the, thereby evenly clamping and fixing the circular tube-shaped steel pipe in a matching way along the circumferential direction, after clamping and fixing one end, a pushing cylinder 21 is arranged on the upper surface of the processing table 1 and on one side of the main fixing block 11 away from the portal frame 2, the pushing cylinder 21 is fixedly connected with the main fixing block 11 along a pushing rod 22 which is transversely connected with the output end, the pushing rod 22 is driven by the pushing cylinder 21 to push out, the main fixing block 11 is driven to move towards the lower part of the portal frame 2, after the circular tube-shaped steel pipe is pushed to the lower part of the portal frame 2, the pushing cylinder 21 stops pushing, then, a pipe cutting motor 7 on the lifting seat 6 operates to drive a pipe cutting shaft 8 to rotate, a cutter is driven to rotate, the lifting cylinder 4 drives the lifting rod 5 to push out downwards, the lifting seat 6 at the lower end of the lifting rod 5 is driven to lift downwards, the circular tube-shaped steel pipe is cut by the cutter, after the pipe cutting process, the pushing cylinder 21 is operated to continue to push the main fixing block 11 through the pushing rod 22 to drive the circular tube-shaped steel pipe to be pushed, then, the pipe cutting process is carried out, after all the pipe cutting process is finished, the driving motor 18 arranged in the inner cavity 12 runs, the screw rod 19 connected with the output end of the sliding block rotates reversely, so that the sliding block 17 is driven to transversely slide towards the direction far away from the portal frame 2, so that the opposite ends of the three push rods 16 lose support and slide towards the inside of the inner cavity 12, and after the clamping fixing claws 14 lose support, the clamping and fixing of the round tubular steel pipe are stopped, and then the operator takes off the end section of the steel pipe after the processing, compared with the prior art, the manual pushing and feeding are not needed, fixed clamp steel pipe carries out pipe cutting processing simultaneously, and simple to use is reliable, and the security is high, the utility model provides a make things convenient for propelling movement feeding, steel pipe to fix to the right place and the high automatic pipe cutting machine of pipe cutting processingquality.

In the embodiment of the present invention, the end of the main fixing block 11 away from the portal frame 2 is provided with the fixing circular truncated cone 23, and the end table top of the fixing circular truncated cone 23 away from the main fixing block 11 is provided with the insertion groove 24 for inserting the circular tube-shaped steel tube.

By adopting the technical scheme, in order to further enhance the fixing effect on the circular tube-shaped steel pipe, the fixing circular truncated cone 23 is arranged at one end, far away from the portal frame 2, of the main fixing block 11, the table top at one end, far away from the main fixing block 11, of the fixing circular truncated cone 23 is provided with the insertion groove 24 for inserting the circular tube-shaped steel pipe, and the steel pipe is fixed by utilizing the insertion groove 24 to be matched with the clamping fixing claw 14.

The utility model discloses in the embodiment, offer on the fixed round platform 23 lateral wall and be used for pushing up the tight stationary dog 14 pivoted reset assembly that presss from both sides, reset assembly is including seting up reset groove 27, the reset spring 25 of one end connection bottom in reset groove 27 on the fixed round platform 23 lateral wall, connect reset spring 25 upper end and with reset groove 27 inner wall sliding contact's kicking block 26 that resets, the 26 tip of kicking block that resets withstands and presss from both sides tight stationary dog 14 lateral wall.

By adopting the technical scheme, when in use, one end of the circular tube-shaped steel pipe is abutted to one end, facing the portal frame 2, of the main fixing block 11, the driving motor 18 arranged in the inner cavity 12 operates, the screw rod 19 connected with the output end of the circular tube-shaped steel pipe rotates, so that the sliding block 17 is driven to transversely slide towards the portal frame 2, along with the sliding of the sliding block 17, one end of at least three ejector rods 16 outwards slides, so that one end of each clamping fixing claw 14 is abutted, the opposite end parts of the at least three clamping fixing claws 14 are close to the center of the central axis of the main fixing block 11, so that the circular tube-shaped steel pipe is uniformly clamped and fixed in a matched manner along the circumferential direction, the resetting ejector block 26 slides in the resetting groove 27 after being extruded by the clamping fixing claws 14, the resetting spring 25 is compressed, after all machining and pipe cutting are completed, the driving motor 18 arranged in the, thereby drive slider 17 to keeping away from portal frame 2 direction lateral sliding, thereby make three ejector pin 16 looks remote site lose the support, and to the inside slip of inner chamber 12, press from both sides tight stationary dog 14 and lose the back that supports, stop to press from both sides tight fixed circular tube form steel pipe, and under reset spring 25 answer effect, the kicking block 26 that resets is outwards ejecting, drive and press from both sides tight stationary dog 14 and rotate and reset, so that supply operating personnel to take off the end steel pipe of accomplishing the processing afterwards, and accomplish the fixed use of next circular tube form steel pipe.

The utility model discloses in the embodiment, it is provided with guide block 31 just to be located processing platform 1 upper surface between portal frame 2 and the main fixed block 11, guide block 31 upper surface is along transversely offering the V style of calligraphy groove 32 that supplies the pipe form steel pipe gliding wherein.

By adopting the technical scheme, the steel pipe support in the pipe cutting machining process is further improved

Prop in order to improve and cut a tub incision quality, be located the processing platform 1 upper surface between portal frame 2 and main fixed block 11 and be provided with guide block 31, guide block 31 upper surface is along transversely offering the V style of calligraphy groove 32 that supplies the pipe form steel pipe to slide wherein, and the steel pipe is at the propelling movement in-process, and the steel pipe slides along V style of calligraphy groove 32 both sides cell wall to in the pipe cutting in-process, provide the support to the steel pipe.

The utility model discloses in the embodiment, processing platform 1 upper surface is provided with and is arranged in cutting the pipe to push down the cooperation of pipe form steel pipe in V style of calligraphy groove 32 and compresses tightly the subassembly, the cooperation compresses tightly the subassembly including setting up at the cooperation portal frame 33 of 1 upper surface of processing platform and setting up at the cooperation cylinder 34 at cooperation portal frame 33 top, cooperation cylinder 34 output is connected with cooperation pole 35 along vertical direction, be connected with cooperation briquetting 36 after cooperation pole 35 lower extreme runs through cooperation portal frame 33, cooperation briquetting 36 lower surface is provided with rubber briquetting 37.

By adopting the technical scheme, when in use, one end of the circular tube-shaped steel pipe is abutted to one end of the main fixing block 11 facing the portal frame 2, the driving motor 18 arranged in the inner cavity 12 operates, the screw rod 19 connected with the output end of the circular tube-shaped steel pipe rotates, so that the sliding block 17 is driven to transversely slide towards the portal frame 2, one ends of at least three ejector rods 16 outwards slide along with the sliding of the sliding block 17, the clamping fixing claws 14 are correspondingly hinged on at least three mounting plates 13 one by one, so that one end of the clamping fixing claw 14 is abutted, the opposite end parts of the at least three clamping fixing claws 14 are close to the central axis center of the main fixing block 11, so that the circular tube-shaped steel pipe is uniformly matched, clamped and fixed along the circumferential direction, after the clamping and fixing of one end is completed, the pushing cylinder 21 drives the pushing rod 22 to push out, the main fixing block 11 is driven to move towards the lower part of the portal frame 2, the pushing cylinder 21 stops pushing, then the matching cylinder 34 drives the matching rod 35 to push downwards, the matching press block 36 and the rubber press block 37 are driven to extrude and fix the steel pipe downwards in the V-shaped groove 32, the pipe cutting motor 7 on the lifting seat 6 operates to drive the pipe cutting shaft 8 to rotate, the cutter 9 is driven to rotate, the lifting rod 5 is driven to push downwards by the lifting cylinder 4, the lifting seat 6 at the lower end of the lifting rod 5 is driven to lift downwards, the pipe cutting processing is carried out on the round pipe-shaped steel pipe through the cutter 9, after the pipe cutting processing is finished, the lifting rod 5 retracts into the lifting seat 6 to lift upwards, the main fixing block 11 is continuously pushed through the pushing rod 22 by the operation of the pushing cylinder 21 to drive the round pipe-shaped steel pipe to be cut, after all the pipe cutting processing is finished, the driving motor 18 arranged in the inner cavity 12 operates, the screw rod 19 connected with the output end rotates reversely, and the sliding block 17 is driven to slide, so that the opposite ends of the three push rods 16 lose support and slide towards the inner cavity 12, and after the clamping fixing claws 14 lose support, the clamping fixing of the round tubular steel pipe is stopped, and then an operator can take down the end section of the steel pipe which is finished to be processed.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an automatic pipe cutting machine, includes processing platform (1) and portal frame (2) of setting on processing platform (1), grooving (3) have been seted up to portal frame (2) bottom of processing platform (1) upper surface, be provided with pipe cutting assembly on portal frame (2), pipe cutting assembly is including setting up lift cylinder (4) at portal frame (2) top and connecting lifter (5) at lift cylinder (4) output along vertical direction, lifter (5) lower extreme runs through portal frame (2) top back and is connected with lift seat (6), install pipe cutting motor (7) on lift seat (6), pipe cutting motor (7) output has pipe cutting shaft (8) along transverse connection, pipe cutting shaft (8) tip is provided with the cutter that is located grooving (3) top, its characterized in that: the processing platform (1) upper surface is provided with a clamping fixed feeding component for clamping one end of a fixed circular tube-shaped steel pipe and feeding the cut pipe, the clamping fixed feeding component comprises a columnar main fixed block (11) with one end facing the lower part of the portal frame (2) and an inner cavity (12) arranged inside the main fixed block (11), at least three mounting plates (13) are sequentially arranged on the side wall of one end of the main fixed block (11) facing the portal frame (2) along the circumferential direction at intervals, clamping fixed claws (14) are correspondingly hinged on the at least three mounting plates (13) one by one, at least three open holes (15) communicated with the inner cavity (12) are formed on the side wall of the main fixed block (11) along the circumferential direction, and an ejector rod (16) used for ejecting the clamping fixed claws (14) and close to one end of the side wall of the main fixed block (11) is arranged at the, a sliding block (17) is arranged in the inner cavity (12) in a transverse sliding manner, one end, facing the portal frame (2), of the sliding block (17) is in a round table shape, one end, facing the round table side wall of the sliding block (17), of the ejector rod (16) is arranged in a matched manner to form an inclined plane, the inclined plane end of the ejector rod (16) is in sliding contact with the round table side wall of the sliding block (17), one side, far away from the portal frame (2), of the inner cavity (12) is provided with a transverse moving driving assembly used for driving the sliding block (17) to transversely slide, the transverse moving driving assembly comprises a driving motor (18) arranged in the inner cavity (12), the output end of the driving motor (18) is transversely connected with a screw rod (19), one end, far away from the driving motor (18), of the screw rod (19) is rotated to penetrate through the sliding block (17), a pushing air cylinder (21) is, the pushing cylinder (21) is fixedly connected with the main fixing block (11) through a pushing rod (22) with an output end connected along the transverse direction.

2. The automatic pipe cutter as claimed in claim 1, wherein: the end, far away from the portal frame (2), of the main fixing block (11) is provided with a fixing circular truncated cone (23), and an insertion groove (24) for inserting the circular tube-shaped steel tube is formed in the table top of the end, far away from the main fixing block (11), of the fixing circular truncated cone (23).

3. The automatic pipe cutter as claimed in claim 2, wherein: offer on fixed round platform (23) lateral wall and be used for pushing up and move and press from both sides tight stationary dog (14) pivoted reset assembly, reset assembly is including seting up reset groove (27), the reset spring (25) of one end connection bottom in reset groove (27) on fixed round platform (23) lateral wall, connect reset spring (25) upper end and with reset groove (27) inner wall sliding contact's kicking block (26) that resets, kicking block (26) tip withstands and presss from both sides tight stationary dog (14) lateral wall.

4. The automatic pipe cutter as claimed in claim 3, wherein: and a guide block (31) is arranged between the portal frame (2) and the main fixing block (11) and on the upper surface of the processing table (1), and a V-shaped groove (32) for the circular tube-shaped steel tube to slide in is transversely formed in the upper surface of the guide block (31).

5. The automatic pipe cutter as claimed in claim 4, wherein: processing platform (1) upper surface is provided with and is arranged in cutting the pipe and pushes down the cooperation of pipe form steel pipe in V style of calligraphy groove (32) and compress tightly the subassembly, the cooperation compresses tightly the subassembly including setting up cooperation portal frame (33) at processing platform (1) upper surface and setting up cooperation cylinder (34) at cooperation portal frame (33) top, cooperation cylinder (34) output is connected with cooperation pole (35) along vertical direction, cooperation pole (35) lower extreme runs through and is connected with cooperation briquetting (36) behind cooperation portal frame (33), cooperation briquetting (36) lower surface is provided with rubber briquetting (37).