CN111055314B - Automatic pipe cutting machine - Google Patents

Automatic pipe cutting machine Download PDF

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Publication number
CN111055314B
CN111055314B CN201911397444.2A CN201911397444A CN111055314B CN 111055314 B CN111055314 B CN 111055314B CN 201911397444 A CN201911397444 A CN 201911397444A CN 111055314 B CN111055314 B CN 111055314B
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CN
China
Prior art keywords
pipe
feeding
clamping
cylinder
cutter
Prior art date
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Active
Application number
CN201911397444.2A
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Chinese (zh)
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CN111055314A (en
Inventor
温晓琨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Weiyuan Hongwei Rubber Co ltd
Original Assignee
Weiyuan Hongwei Rubber Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to CN201911397444.2A priority Critical patent/CN111055314B/en
Publication of CN111055314A publication Critical patent/CN111055314A/en
Application granted granted Critical
Publication of CN111055314B publication Critical patent/CN111055314B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/04Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
    • B26D1/06Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/20Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed
    • B26D5/22Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed having the cutting member and work feed mechanically connected
    • B26D5/24Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed having the cutting member and work feed mechanically connected including a metering device
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/42Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between work feed and clamp
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/01Means for holding or positioning work
    • B26D7/02Means for holding or positioning work with clamping means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/06Arrangements for feeding or delivering work of other than sheet, web, or filamentary form
    • B26D7/0608Arrangements for feeding or delivering work of other than sheet, web, or filamentary form by pushers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/01Means for holding or positioning work
    • B26D2007/013Means for holding or positioning work the work being tubes, rods or logs

Abstract

The invention discloses an automatic pipe cutting machine which comprises a machine tool, wherein a feeding pipe, a cutter frame and a cylinder group for controlling the cutter frame to move are arranged on the machine tool, the automatic pipe cutting machine also comprises a feeding device and an automatic clamping device, the feeding device is aligned with the feeding pipe in the feeding direction, the automatic clamping device is arranged on the machine tool, and the feeding device comprises a rack, a material storage frame, a material distributing device, a clamping mechanism and a material pushing device; the automatic clamping device comprises a hollow pipe, a spring chuck and a tensioner, the hollow pipe is sleeved in the feeding pipe, one end, close to the tool rest, of the hollow pipe is connected with the spring chuck for clamping the pipe, the tensioner for driving the hollow pipe to reciprocate in the feeding pipe is installed at the other end of the hollow pipe, and a pressing ring matched with the spring chuck is arranged at one end, close to the tool rest, of the feeding pipe. According to the invention, the feeding device and the automatic clamping device for clamping the pipe material are arranged on the machine tool to clamp the pipe material, and then the pipe material is cut by the tool rest on the machine tool, so that the pipe material can be continuously cut, and meanwhile, the input cost of equipment is also reduced.

Description

Automatic pipe cutting machine
Technical Field
The invention relates to the technical field of pipe cutting machines, in particular to an automatic pipe cutting machine.
Background
With the rapid development of domestic economy, the application of the pipe is more and more common, and the pipe is widely applied to the industrial fields of buildings, machinery and the like. In the conventional production, a long pipe needs to be cut into small sections of pipes, and different application fields have special requirements on the length precision requirement, the shape precision requirement and the like of the pipes, so that the pipes need to be cut by using special pipe cutting equipment, and the pipe cutting machine is widely used in industrial production as common pipe cutting equipment.
At present, the processing to tubular product mainly adopts ordinary pipe cutting machine or cutting machine to go on, often needs the manual work to carry out pay-off, material loading and centering, and intensity of labour is big, and operating time is long, and during especially pipe fitting centering, often need change diameter adjustment repeatedly, it is long with time, moreover current, laser cutting equipment, feeder, auxiliary assembly such as cloth machine mostly use alone, be unfavorable for pipe cutting machine's automatic processing. And the existing equipment is high in price, so that the cost of an enterprise is increased.
Disclosure of Invention
The invention aims to provide an automatic pipe cutting machine which is low in cost, convenient to control and convenient to machine.
The purpose of the invention is realized by the following technical scheme:
the automatic pipe cutting machine comprises a machine tool, wherein a feeding pipe, a cutter frame and a cylinder group for controlling the cutter frame to move are arranged on the machine tool, the automatic pipe cutting machine further comprises a feeding device with a feeding direction aligned with the feeding pipe and an automatic clamping device arranged on the machine tool, the feeding device comprises a rack, a material storage frame, a material distributing device, a clamping mechanism and a material pushing device, the inclined material storage frame is arranged at the top of the rack, at least one group of material distributing device is arranged on the rack below the lower end of the material storage frame, the clamping mechanism for clamping pipe materials is arranged on the rack on one side of the material distributing device, the clamping mechanism is provided with a plurality of material pushing devices which are sequentially arranged at the top of the rack along the feeding direction of the pipe materials, the material pushing device for driving the pipe materials to; the automatic clamping device comprises a hollow pipe, a spring chuck and a tensioner, the hollow pipe is sleeved in the feeding pipe, one end, close to the tool rest, of the hollow pipe is connected with the spring chuck for clamping the pipe, the tensioner for driving the hollow pipe to reciprocate in the feeding pipe is installed at the other end of the hollow pipe, and a pressing ring matched with the spring chuck is arranged at one end, close to the tool rest, of the feeding pipe.
The feed divider is including keeping off the material cylinder and dialling the material cylinder, keep off the material cylinder and dial the distance that leaves a pipe material width between the material cylinder, and keep off the piston rod of material cylinder and be in the state of stretching out, dial the end that stretches out of material cylinder and install the spike pole that is used for pipe material propelling movement to clamping mechanism.
And the adjacent intervals of the plurality of clamping mechanisms along the feeding direction are gradually reduced.
The clamping mechanism comprises a base, supporting wheels, a stand column, a pressing plate and a pressing wheel, wherein the base is fixed on a lower section of a rack of the material storage rack, the base is provided with the supporting wheels which are horizontally arranged, the stand column is installed on the side wall of one side, away from the material storage rack, of the base, the upper portion of the stand column is hinged with the pressing plate with adjustable height, the side wall of the stand column is provided with a pressing cylinder which drives the pressing plate to rotate, and the pressing plate is provided with the pressing wheel which is matched.
The pushing device comprises a feeding cylinder, a shaft rod, articulated arms, torsional springs and electromagnets, wherein the feeding cylinder is horizontally arranged on the rack, the extending direction of the feeding cylinder is parallel to the feeding direction of the pipe materials, the extending end of the feeding cylinder is provided with the shaft rod vertically arranged, the two articulated arms which are rotatably arranged on the shaft rod are arranged on the shaft rod above the feeding cylinder, the torsional springs for opening the articulated arms are arranged between the two articulated arms, and the electromagnets for clamping the pipe materials are arranged at the top of each articulated arm.
The tensioner comprises a sleeve arranged on the hollow pipe, a bearing sleeved on the sleeve and a handle arranged on the bearing, wherein one end of the handle is connected with a positioning ring hinged with the outer wall of the bearing, the middle part of the handle is hinged with a machine tool, and a boss is machined on the end face of the sleeve, which is close to one side of the feeding device.
The pipe clamping device is further arranged on the rack on one side, close to the feeding device, of the tensioner, the pipe clamping device comprises a support ring and clamping jaws, the support ring is rotatably mounted on the machine tool and is coaxial with the hollow pipe, a plurality of clamping jaws used for clamping pipe materials are arranged between the support ring and the hollow pipe, and the clamping jaws can be driven to open by the tensioner through a boss.
A plurality of limit blocks which are arranged in an annular mode are processed on the inner wall of a feeding pipe of the machine tool, and limit grooves for the limit blocks to slide are processed on the outer wall of the hollow pipe.
The lathe inlet pipe is close to the one end of tensioning ware and installs the belt pulley, is equipped with on the lathe of belt pulley below and drives belt pulley pivoted motor.
The pipe material cutting machine is characterized in that the cutter frame is provided with a material blocking cutter and a cutting cutter, the material blocking cutter and the cutting cutter are telescopically arranged on the cutter frames on two sides of a pipe material through a cylinder group, and the machine tool is further provided with a cylinder group for driving the cutter frame to move along the length direction of the pipe material.
The invention has the following effects:
(1) the feeding device and the automatic clamping device for clamping the pipe materials are arranged on the machine tool to clamp the pipe materials, and then the pipe materials are cut through the tool rest on the machine tool, so that the pipe materials can be continuously cut, and meanwhile, the input cost of equipment is reduced;
(2) the rack is provided with the material storage rack, the material distributing device, the clamping mechanism and the material pushing mechanism, so that longer pipes can be stably fed into the pipe cutting machine, and the pipes can be prevented from shaking while being fed, so that the stability of the pipes is improved;
(3) by arranging the clamping mechanism, the pipe can be ensured to move along a straight line, so that the pipe is prevented from being clamped due to bending;
(4) through the supporting wheels and the pressing wheels on the clamping mechanism, the straightness of the pipe can be ensured when the pipe rotates, so that the pipe is prevented from being bent to cause clamping, and the processing efficiency and the flatness of the port of the cut pipe are ensured;
(5) through the arranged material distributing device, the single pipe material can be fed into the clamping mechanism, so that the pipe material is prevented from sliding to cause unstable clamping;
(6) by arranging the pushing mechanism, the pipe materials can be continuously fed into the pipe cutting machine, and the stroke of a pushing cylinder of the pushing mechanism is greater than the cutting length of the pipe materials, so that the feeding precision of the pipe materials can be ensured, and uneven cutting length caused by insufficient feeding of the pipe materials can be prevented;
(7) the cutting device is characterized in that a hollow pipe is arranged, a spring chuck is arranged at one end of the hollow pipe, a pipe clamping device is arranged at the other end of the hollow pipe, and a tensioner for driving the hollow pipe to move along the length direction is arranged on the hollow pipe, so that a pipe material can be conveniently clamped, and the cutting efficiency is ensured;
(8) the feeding pipe of the machine tool is provided with the limiting block which is matched with the limiting groove on the hollow pipe, so that the machine tool can drive the hollow pipe to rotate when rotating, and the hollow pipe can be prevented from slipping, thereby ensuring the rotating speed of the pipe material and improving the precision of the pipe material cutting opening;
(9) by arranging the material blocking cutter and the cutting cutter on two sides of the cutter rest, the cutter can be controlled to work through the corresponding air cylinder so as to realize automatic processing, thereby avoiding the labor intensity of workers;
(10) simple structure, high reliability, low production cost and high degree of automation.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the material distributing device of the present invention.
Fig. 3 is a schematic structural diagram of the material storage rack and the material distribution device of the invention.
Fig. 4 is a schematic structural view of the clamping mechanism of the present invention.
Fig. 5 is a schematic structural view of the pushing device of the present invention.
Fig. 6 is a schematic structural view of the automatic clamping device of the present invention.
FIG. 7 is another schematic structural diagram of the automatic clamping device of the present invention.
Figure 8 is a cross-sectional view of the present invention taken along the length of the hollow tube.
Fig. 9 is a schematic diagram of the tensioner of the present invention.
Reference numerals: 1. a machine tool; 1001. a feed pipe; 1002. a tool holder; 1003. a material blocking knife; 1004. a cutting knife; 1005. a cylinder group; 1006. pressing the ring tightly; 1007. a limiting block; 1008. a belt pulley; 2. a feeding device; 3. a frame; 4. a material storage rack; 5. a material distributing device; 51. a material blocking cylinder; 52. a material poking cylinder; 53. a pricking rod; 6. a clamping mechanism; 61. a base; 62. a riding wheel; 63. a column; 64. pressing a plate; 65. a pinch roller; 66. a material pressing cylinder; 7. a material pushing device; 71. a feeding cylinder; 72. a shaft lever; 73. an articulated arm; 74. a torsion spring; 75. an electromagnet; 76. a rubber sheet; 8. a photoelectric switch; 9. an automatic clamping device; 10. a hollow tube; 101. a limiting groove; 11. a collet chuck; 12. a tensioner; 121. a sleeve; 122. a bearing; 123. a handle; 124. a positioning ring; 125. a boss; 13. a pipe clamping device; 131. a support ring; 132. a clamping jaw; 133. a pressure spring; 14. an electric motor.
Detailed Description
Examples
As shown in fig. 1, the automatic pipe cutting machine provided in this embodiment includes a machine tool 1, the machine tool 1 is provided with a feeding pipe 1001, a tool rest 1002, a cylinder group 1005 for controlling the movement of the tool rest 1002, and further includes a feeding device 2 aligned with the feeding pipe in a feeding direction and an automatic clamping device 9 installed on the machine tool 1, the feeding device 2 includes a rack 3, a material storage rack 4, a material distribution device 5, a clamping mechanism 6 and a material pushing device 7, the top of the rack 3 is provided with the inclined material storage rack 4, the rack 3 below the lower end of the material storage rack 4 is provided with at least one group of material distribution device 5, the rack 3 on one side of the material distribution device 5 is provided with a clamping mechanism 6 for clamping pipe materials, the clamping mechanism 6 is provided with a plurality of clamping mechanisms 6 and sequentially installed on the top of the rack 3 in the feeding direction of pipe materials, the plurality of clamping mechanisms 6 are gradually decreased in adjacent intervals in the feeding direction, a photoelectric switch 8 for detecting the pipe materials is arranged on one side of the material pushing device 7; the automatic clamping device 9 comprises a hollow tube 10, a spring chuck 11 and a tensioner 12, the hollow tube 10 is sleeved in a feed tube 1001, a plurality of limit blocks 1007 which are arranged in an annular mode are processed on the inner wall of the feed tube 1001 of the machine tool 1, limit grooves 101 for the limit blocks 1007 to slide are processed on the outer wall of the hollow tube 10, one end, close to a tool rest 1002, of the hollow tube 10 is connected with the spring chuck 11 for clamping a tube material, the tensioner 12 for driving the hollow tube 10 to reciprocate in the feed tube 1001 is installed at the other end of the hollow tube 10, and a pressing ring 1006 matched with the spring chuck 11 is arranged at one end.
As shown in fig. 2 and 3, the material distributing device 5 includes a material blocking cylinder 51 with a controller and a material stirring cylinder 52 with a controller, a distance of a tube width is left between the material blocking cylinder 51 and the material stirring cylinder 52, and a piston rod of the material blocking cylinder 51 is in an extending state, a spike rod 53 for pushing the tube to the clamping mechanism 6 is installed at an extending end of the material stirring cylinder 52, the material blocking cylinder 51 and the material stirring cylinder 52 are in linkage control, and when the piston rod of the material blocking cylinder 51 is retracted, the material stirring cylinder 52 drives the spike rod 53 to move upwards for pushing the tube between the material blocking cylinder 51 and the material stirring cylinder 52 into the clamping mechanism 6.
As shown in fig. 4, the clamping mechanism 6 includes a base 61, a supporting roller 62, a stand column 63, a pressing plate 64 and a pressing wheel 65, the base 61 is fixed on a section of the lower rack 3 of the material storage rack 4, the supporting roller 62 horizontally arranged is arranged on the base 61, the stand column 63 is installed on the side wall of the base 61 far away from one side of the material storage rack 4, the upper part of the stand column 63 is hinged with the pressing plate 64 with adjustable height, a material pressing cylinder 66 for driving the pressing plate 64 to rotate is arranged on the side wall of the stand column 63, the pressing plate 64 is provided with the pressing wheel 65 matched with the two supporting rollers 62, and the clamping device can be suitable for pipes with different diameters due to the.
As shown in fig. 5, the pushing device 7 includes a feeding cylinder 71, a shaft rod 72, hinge arms 73, torsion springs 74 and electromagnets 75, the feeding cylinder 71 is horizontally installed on the frame 3, the extending direction of the feeding cylinder 71 is parallel to the feeding direction of the tube, the extending end of the feeding cylinder 71 is installed with the shaft rod 72 vertically arranged, two hinge arms 73 rotatably installed on the shaft rod 72 above the feeding cylinder 71 are arranged on the shaft rod 72, the torsion springs 74 for opening the hinge arms 73 are arranged between the two hinge arms 73, the top of each hinge arm 73 is installed with the electromagnet 75 for clamping the tube, rubber sheets 76 for increasing the friction force with the tube are adhered on the side walls opposite to the two electromagnets 75, a support rod for keeping the hinge arms 73 horizontal is arranged on the frame 3, the feeding cylinder 71 is linked with the pressing cylinder 66, when the feeding cylinder 71 is telescopic, the pressing cylinder 66 drives the pressing plate 64 to rotate, for releasing the tube so that the electromagnet 75 clamps the tube and moves under the action of the feeding cylinder 71. Preferably, the working stroke of the feeding cylinder 71 is larger than the pipe cutting length of the pipe material.
As shown in fig. 5, the photoelectric switch 8 installed at one side of the pushing device 7 is also connected with the material blocking cylinder 51, the material stirring cylinder 52 and the material pressing cylinder 66, when the photoelectric switch 8 detects that no tube material exists on the pushing device 7, the photoelectric switch 8 sends a high-frequency signal to the controller, at this time, the piston rods of the material blocking cylinder 51 and the material pressing cylinder 66 are retracted, and the piston rod of the material stirring cylinder 52 is extended; when the photoelectric switch 8 detects that the material pushing device 7 has the tube material, the piston rod of the material pushing cylinder 52 is retracted, and the piston rods of the material blocking cylinder 51 and the material pressing cylinder 66 are extended.
As shown in fig. 6 to 9, the tensioner 12 includes a sleeve 121 mounted on the hollow tube 10, a bearing 122 sleeved on the sleeve 121, and a handle 123 mounted on the bearing 122, one end of the handle 123 is connected with a positioning ring 124 hinged to the outer wall of the bearing 122, the middle of the handle 123 is hinged to the machine tool 1, one end of the handle 123 far from the positioning ring 124 can be connected with a cylinder for automatic control, and a boss 125 is machined on the end surface of the sleeve 121 on the side close to the feeding device 2. The pipe clamping device 13 is further arranged on the frame 3 of the tensioner 12 close to the feeding device 2, the pipe clamping device 13 comprises a support ring 131 and clamping jaws 132, the support ring 131 is rotatably mounted on the machine tool 1, the support ring 131 and the hollow pipe 10 are coaxially arranged, a plurality of clamping jaws 132 for clamping pipe materials are arranged between the support ring 131 and the hollow pipe 10, and the tensioner 12 can drive the clamping jaws 132 to open through the boss 125.
A belt pulley 1008 is installed at one end, close to the tensioner 12, of the feeding pipe 1001 of the machine tool 1, and a motor 14 for driving the belt pulley 1008 to rotate is arranged on the machine tool 1 below the belt pulley 1008.
The tool rest 1002 is provided with a material blocking knife 1003 and a cutting knife 1004, the material blocking knife 1003 and the cutting knife 1004 are telescopically arranged on the tool rest 1002 on two sides of the tube material through a cylinder group 1005, and the machine tool 1 is further provided with a cylinder group 1005 for driving the tool rest 1002 to move along the length direction of the tube material.
The using method of the invention is as follows:
the pipe to be cut is placed on the material storage frame 4 in a manner of being matched with the collet chuck 11, the pipe faces to one end close to the photoelectric switch 8, the pipe slides to the material blocking cylinder 51 under rolling and is blocked by a piston rod of the material blocking cylinder 51, then the power supply of the photoelectric switch 8 is switched on, at the moment, piston rods of the material blocking cylinder 51 and the material pressing cylinder 66 are retracted, a piston rod of the material poking cylinder 52 extends out, the pipe close to the material blocking cylinder 51 is pushed to the clamping mechanism 6, then, a piston rod of the material poking cylinder 52 retracts, piston rods of the material blocking cylinder 51 and the material pressing cylinder 66 extend out, the piston rod of the material blocking cylinder 51 blocks the downward sliding pipe, a piston rod of the material pressing cylinder 66 drives the pressing plate 64 to move downwards, the pipe is pressed by a pressing roller on the pressing plate 64, then, the material feeding cylinder 71 feeds the pipe into the pipe cutting machine along the advancing direction of the pipe, and during feeding, the piston rod, then the power supply of the electromagnet 75 is switched on, the tube material is clamped by the two electromagnets 75, then the piston rod of the feeding cylinder 71 extends out to drive the tube material to move forward, so that the tube material is sent into the hollow tube 10, then the electromagnets 75 are de-energized, the two electromagnets 75 release the tube under the action of the torsion spring 74, and subsequently the piston rod of the feed cylinder 71 is retracted, and waiting for the next feeding, the handle 123 drives the sleeve 121 to move towards the machine tool 1 under the action of the cylinder after the pipe material enters the hollow pipe 10, at this time, the pressure spring 133 is restored to the original state, so that the clamping jaw 132 is opened, a gap for the pipe material to pass through is reserved, meanwhile, the sleeve 121 drives the hollow pipe 10 to move right, then the collet chuck 11 is separated from the pressing ring 1006, the collet chuck 11 is restored to the original state, so that the pipe can normally pass through, and the material blocking knife 1003 extends out under the driving of the cylinder group 1005 when the pipe passes through, so as to block the pipe and control the cut size of the pipe; when a pipe material abuts against the material blocking knife 1003, the handle 123 moves towards the support ring 131 under the action of the air cylinder, at the moment, the boss 125 on the sleeve 121 is matched with the clamping jaw 132, the clamping jaw 132 compresses the pipe material, meanwhile, the hollow pipe 10 drives the spring chuck 11 to move towards the pressing ring 1006 for clamping the pipe material close to one end of the knife rest 1002, then the material blocking knife 1003 is retracted under the control of the air cylinder, then the cutting knife 1004 cuts the pipe material under the action of the air cylinder for cutting the pipe material into small sections, when the automatic clamping device 9 clamps the pipe material, the pipe material can rotate in a gap enclosed by the two carrier rollers 62 and the pressing wheel 65 in the part of the feeding device 2, and finally, the steps are repeated, the pipe material is fed into a machine tool through the feeding device, and meanwhile, the material blocking knife 1003 measures, clamps the pipe material, and the pipe material is cut by the cutting knife 1004, so.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any modification and replacement based on the technical solution and inventive concept provided by the present invention should be covered within the scope of the present invention.

Claims (7)

1. The automatic pipe cutting machine comprises a machine tool, wherein a feeding pipe, a tool rest and a cylinder group for controlling the tool rest to move are arranged on the machine tool, the automatic pipe cutting machine further comprises a feeding device with a feeding direction aligned with the feeding pipe and an automatic clamping device arranged on the machine tool, the feeding device comprises a rack, a material storage rack, a material distributing device, a clamping mechanism and a material pushing device, the material storage rack is inclined at the top of the rack, at least one group of material distributing device is arranged on the rack below the lower end of the material storage rack, the clamping mechanism for clamping pipe materials is arranged on the rack on one side of the material distributing device, the clamping mechanism is provided with a plurality of material pushing devices which are sequentially arranged at the top of the rack along the feeding direction of the pipe materials, the material pushing device for driving the pipe materials to be quantitatively conveyed is arranged behind the clamping mechanism at the, the extension direction of the feeding cylinder is parallel to the feeding direction of the pipe materials, the extension end of the feeding cylinder is provided with a vertically arranged shaft lever, two articulated arms which can be rotatably arranged on the shaft lever are arranged on the shaft lever above the feeding cylinder, a torsional spring for opening the articulated arms is arranged between the two articulated arms, the top of each articulated arm is provided with an electromagnet for clamping the pipe materials, and one side of the material pushing device is provided with a photoelectric switch for detecting the pipe materials; the automatic clamping device comprises a hollow pipe, a spring chuck and a tensioner, wherein the hollow pipe is sleeved in the feeding pipe, one end of the hollow pipe close to the tool rest is connected with the spring chuck for clamping the pipe, the other end of the hollow pipe is provided with the tensioner for driving the hollow pipe to reciprocate in the feeding pipe, the tensioner comprises a sleeve arranged on the hollow pipe, a bearing sleeved on the sleeve and a handle arranged on the bearing, one end of the handle is connected with a positioning ring hinged with the outer wall of the bearing, the middle part of the handle is hinged with a machine tool, a boss is processed on the end surface of one side of the sleeve close to the feeding device, a pipe clamping device is further arranged on a machine frame of one side of the tensioner close to the feeding device, the pipe clamping device comprises a support ring and clamping jaws, the support ring is rotatably arranged on the machine, the tensioning ware accessible boss drives the clamping jaw and opens, and the inlet pipe is close to knife rest one end and is equipped with the tight clamping ring with the collet chuck adaptation.
2. The automatic pipe cutter of claim 1, wherein: the feed divider is including keeping off the material cylinder and dialling the material cylinder, keep off the material cylinder and dial the distance that leaves a pipe material width between the material cylinder, and keep off the piston rod of material cylinder and be in the state of stretching out, dial the end that stretches out of material cylinder and install the spike pole that is used for pipe material propelling movement to clamping mechanism.
3. The automatic pipe cutter of claim 1, wherein: and the adjacent intervals of the plurality of clamping mechanisms along the feeding direction are gradually reduced.
4. The automatic pipe cutter as claimed in claim 1, 2 or 3, wherein: the clamping mechanism comprises a base, supporting wheels, a stand column, a pressing plate and a pressing wheel, wherein the base is fixed on a lower section of a rack of the material storage rack, the base is provided with the supporting wheels which are horizontally arranged, the stand column is installed on the side wall of one side, away from the material storage rack, of the base, the upper portion of the stand column is hinged with the pressing plate with adjustable height, the side wall of the stand column is provided with a pressing cylinder which drives the pressing plate to rotate, and the pressing plate is provided with the pressing wheel which is matched.
5. The automatic pipe cutter of claim 1, wherein: a plurality of limit blocks which are arranged in an annular mode are processed on the inner wall of a feeding pipe of the machine tool, and limit grooves for the limit blocks to slide are processed on the outer wall of the hollow pipe.
6. The automatic pipe cutter of claim 1, wherein: the lathe inlet pipe is close to the one end of tensioning ware and installs the belt pulley, is equipped with on the lathe of belt pulley below and drives belt pulley pivoted motor.
7. The automatic pipe cutter of claim 1, wherein: the pipe material cutting machine is characterized in that the cutter frame is provided with a material blocking cutter and a cutting cutter, the material blocking cutter and the cutting cutter are telescopically arranged on the cutter frames on two sides of a pipe material through a cylinder group, and the machine tool is further provided with a cylinder group for driving the cutter frame to move along the length direction of the pipe material.
CN201911397444.2A 2019-12-30 2019-12-30 Automatic pipe cutting machine Active CN111055314B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911397444.2A CN111055314B (en) 2019-12-30 2019-12-30 Automatic pipe cutting machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911397444.2A CN111055314B (en) 2019-12-30 2019-12-30 Automatic pipe cutting machine

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CN203061886U (en) * 2013-01-30 2013-07-17 盐城双佳电气有限公司 Full-automatic pipe cutting machine
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