CN206795244U

CN206795244U - The two-tube double end integral type bending machine that pipe end is molded before and after band

Info

Publication number: CN206795244U
Application number: CN201720675164.3U
Authority: CN
Inventors: 白尊敏
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-06-10
Filing date: 2017-06-10
Publication date: 2017-12-26
Anticipated expiration: 2027-06-10

Abstract

It the utility model is related to a kind of two-tube double end integral type bending machine of the front and rear material end shaping of band, including frame, frame is provided with Pipe Cutting production line, Pipe Cutting production line includes preceding pipe clamping device, pipe installation, rear pipe clamping device, pipe-conveying device and straightening device successively from front to back, the front of preceding pipe clamping device is provided with preceding forming apparatus for forming pipe end, forming apparatus for forming pipe end after being equipped with one group at left and right sides of preceding pipe clamping device, one group of swan neck system and a unloading arm are equipped with the outside of forming apparatus for forming pipe end after every group；The bending machine is additionally provided with two and respectively can pinched pipeline section to the feeding arm for directly unloading body corresponding to it in rear forming apparatus for forming pipe end and swan neck system or by pipeline section from its corresponding front tube gripping after lower from its corresponding front tube.The utility model production efficiency is high, advantageously reduces production and purchase cost, its each function part can multi-scheme combines, branch operates, and using flexible is high.

Description

The two-tube double end integral type bending machine that pipe end is molded before and after band

Technical field

It the utility model is related to angle pipe equipment, and in particular to a kind of bending machine.

Background technology

First, traditional bending machine, can only piece materials in the tube of time processing, processing efficiency is low；Secondly, traditional bending machine, do not have Pipe end shaping function before pipe end is molded function or only had, if the both ends of bend pipe are both needed to shaping it is necessary to borrow special trimmer Device, while processing efficiency is further reduced, it also add cost；Third, traditional bending machine, its each function part can not combine Into the materials in the tube processing machine with difference in functionality, lack using flexible.

Utility model content

The utility model discloses a kind of bending machine, it is intended to improves the drawbacks described above present in existing bending machine.

The technical solution of the utility model is as follows：

The two-tube double end integral type bending machine that pipe end is molded before and after a kind of band, including frame, frame produce provided with Pipe Cutting Line, Pipe Cutting production line include preceding pipe clamping device, pipe installation, rear pipe clamping device, pipe-conveying device and stretch dress successively from front to back Put；

Straightening device includes being fixedly installed in frame stretching seat, and the top surface for stretching seat is provided with two groups for biscuit to be drawn Wheel directly is stretched into what is directly expected, two groups of importings stretched in wheel can be directed at by two reel material respectively provided with two by stretching the rear of wheel Pipe, the front for stretching wheel are provided with the delivery line that two straight material that respectively can be stretched two groups through stretching seat are directed to pipe-conveying device；

What pipe-conveying device included being slidably connected to frame top surface send base, send base to be provided with two groups and can clamp respectively and is led from two The feed clamp for the straight material that outlet pipe is exported, this send base to be moved forward and backward between rear pipe clamping device and straightening device, and it moves ahead When can carry feed clamp by clamped straight material toward front convey；

Pipe clamping device includes being fixedly installed in the rear clamp base of frame top surface afterwards, and rear clamp base can be in Pipe Cutting provided with two groups Device carries out the rear pipe clamp for respectively clamping the back segment that two are directly expected during Pipe Cutting operation；

Pipe installation includes the Pipe Cutting seat for being fixedly installed in frame top surface, and being provided with two groups in Pipe Cutting seat can be straight by two respectively The leading portion of material carries out ring cutting and is allowed to continuous cutter mechanism；

Preceding pipe clamping device includes being slidably connected to the preceding clamp base of the top surface of frame, and preceding clamp base is provided with two groups and can filled in Pipe Cutting Put the preceding pipe clamp for respectively leading portion that two are directly expected being clamped when cut working pipe, the preceding clamp base can be relative to pipe installation Move forward and backward, it can drive preceding pipe clamp by clamped through pipe installation ring cutting but not disconnected straight material leading portion from materials in the tube when moving ahead Shut down and form pipeline section；

The front of preceding pipe clamping device is provided with the preceding forming apparatus for forming pipe end that shaping can be carried out to the front port of two pipeline sections；

The one group of rear pipe end that can be processed to the rear port of single pipeline section shaping is equipped with left and right sides of preceding pipe clamping device Device；

Being equipped with one group after every group on the outside of forming apparatus for forming pipe end can be by the swan neck system and one of single pipeline section bending and molding The individual unloading arm that molded bend pipe in the lateral bending pipe device can be unloaded to body；

The bending machine is additionally provided with two and respectively can pinched pipeline section to rear pipe end shaping corresponding to it from its corresponding front tube The feeding arm of body is directly unloaded in device and swan neck system or by pipeline section from its corresponding front tube gripping after lower.

As improvement project, ingress pipe on Pipe Cutting production line, wheel, delivery line, feed clamp, rear pipe clamp, cutter machine are stretched Structure and preceding pipe clamp can to being divided into Liang Ge Pipe Cuttings working group, Liang Ge Pipe Cuttings working group both can two materials in the tube of synchronous processing, also can be by appointing All pipe working groups individually process a materials in the tube.

As improvement project, Pipe Cutting production line can combine operating with feeding arm, form the Pipe Cutting for not having pipe end shaping function Machine.

As improvement project, Pipe Cutting production line can fill together with feeding arm with preceding forming apparatus for forming pipe end and/or the shaping of rear pipe end Combination operating is put, forms the pipe cutting machine with pipe end shaping function.

As improvement project, Pipe Cutting production line can combine operating together with feeding arm with swan neck system and unloading arm, form nothing Pipe end is molded the bending machine of function.

As improvement project, Pipe Cutting production line can be with preceding forming apparatus for forming pipe end together with feeding arm, swan neck system and unloading arm And/or rear forming apparatus for forming pipe end combination operating, form the bending machine with pipe end shaping function.

As improvement project, the front of preceding pipe clamping device is provided with the preceding pipe end that shaping can be carried out to the front port of two pipeline sections Shaped device；The preceding forming apparatus for forming pipe end includes preceding molding seat；Preceding molding seat is provided with the preceding shaping bar for pointing to rear；

Preceding molding seat is slidably connected to the top surface of a slide, and is driven by a cylinder and moved forward and backward along slide, and it can when moving ahead The front port of pipeline section before shaping bar approaches before drive clamped by pipe clamp is to carry out plastic operation；

Slide is slidably connected to the front face of the riser set by frame front end, and is driven by another cylinder and transported up and down along riser It is dynamic, its load can be driven to avoid the forward path of pipeline section when it comes downwards to bottom, can be made preceding shaping bar face when it goes upward to top The front port of pipeline section clamped by preceding clamp base.

As improvement project, rear forming apparatus for forming pipe end includes the aftershaping seat for being fixedly installed in frame front end, aftershaping seat Front end be provided with groove, the holder for being used for clamping pipeline section is provided with groove；The rear piston bar of aftershaping seat is frontward fixed to pacify Equipped with a cylinder, the front end of the cylinder is provided with rear shaping bar, and rear shaping bar enters after passing through through hole set on aftershaping seat In groove, it is driven by the cylinder and moves forward and backward, its pipeline section rear port that can be approached clamped by holder when moving ahead carries out shaping to it Operation.

The utility model has the advantages that：

1st, the utility model can two materials in the tube of synchronous processing, compared to traditional bending machine, in machine run speed identical In the case of, processing efficiency can improve 50%；

2nd, the utility model is provided with forward and backward forming apparatus for forming pipe end, processes the Pipe Cutting needed for bend pipe, front and rear pipe end is molded and curved Pipe operation can be completed by a machine, without being processed respectively using plurality of devices, be advantageous to improve processing efficiency, reduce production Cost and acquisition cost；

3rd, each function part of the present utility model can flexible combination, branch operating, formed with difference in functionality materials in the tube process Machine, it is specific as follows：

1 Pipe Cutting production line can combine with feeding arm forms the pipe cutting machine without pipe end shaping function, and the pipe cutting machine both can be synchronous Two materials in the tube are processed, once can only process a materials in the tube again；

2 Pipe Cutting production lines can form a Pipe Cutting with preceding pipe end shaping function with feeding arm and preceding forming apparatus for forming pipe end Machine, the pipe cutting machine both can two materials in the tube of synchronous processing, once can only process a materials in the tube again；

3 Pipe Cutting production lines can form a Pipe Cutting with rear pipe end shaping function with feeding arm and rear forming apparatus for forming pipe end Machine, the pipe cutting machine both can two materials in the tube of synchronous processing, once can only process a materials in the tube again；

4 Pipe Cutting production lines can form one with feeding arm and forward and backward forming apparatus for forming pipe end has forward and backward pipe end shaping function Pipe cutting machine, the pipe cutting machine both can two materials in the tube of synchronous processing, once can only process a materials in the tube again；

5 Pipe Cutting production lines can form a bending machine for not having pipe end shaping with feeding arm, swan neck system and unloading arm, should Bending machine both can two materials in the tube of synchronous processing, once can only process a materials in the tube again；

6 Pipe Cutting production lines can form pipe end before a tool with feeding arm, preceding forming apparatus for forming pipe end, swan neck system and unloading arm Be molded function bending machine, the bending machine both can two materials in the tube of synchronous processing, once can only process a materials in the tube again；

7 Pipe Cutting production lines can form pipe end after a tool with feeding arm, rear forming apparatus for forming pipe end, swan neck system and unloading arm Be molded function bending machine, the bending machine both can two materials in the tube of synchronous processing, once can only process a materials in the tube again；

8 Pipe Cutting production lines can with feeding arm, forward and backward forming apparatus for forming pipe end, swan neck system and unloading arm form one tool before, Afterwards pipe end shaping function bending machine, the bending machine both can two materials in the tube of synchronous processing, once can only process a materials in the tube again.

Brief description of the drawings

Fig. 1 is the general structure schematic diagram of the utility model embodiment

Fig. 2 is the partial structural diagram of the utility model embodiment

Fig. 3 is the pipe-conveying device structural representation of the utility model embodiment

Fig. 4 is the rear pipe clamping device structural representation of the utility model embodiment

Fig. 5 is the pipe installation structural representation of the utility model embodiment

Fig. 6 is the preceding pipe clamping device structural representation of the utility model embodiment

Fig. 7 is the preceding forming apparatus for forming pipe end structural representation of the utility model embodiment

Fig. 8 is the rear forming apparatus for forming pipe end structural representation of the utility model embodiment

Embodiment

The utility model is illustrated with specific embodiment below in conjunction with the accompanying drawings.

Reference picture 1-8：

The two-tube double end integral type bending machine that pipe end is molded before and after a kind of band, including frame 1, frame 1 are given birth to provided with Pipe Cutting Producing line, Pipe Cutting production line include preceding pipe clamping device 6, pipe installation 5, rear pipe clamping device 4, the and of pipe-conveying device 3 successively from front to back Straightening device 2.

What straightening device 2 included being fixedly installed in the rear end top surface of frame 1 stretches a 2-1, stretches the top surface of a 2-1 laterally simultaneously Row be provided with two groups be used for biscuit is stretched into directly expect stretch wheel 2-2, stretch wheel 2-2 rear accordingly be provided with two can distinguish Two reel material are directed at two groups of ingress pipe 2-3 stretched in wheel 2-2, stretching wheel 2-2 front can accordingly distinguish provided with two The straight material that two groups are stretched through stretching a 2-2 is directed to the delivery line 2-4 of pipe-conveying device 3.

Pipe-conveying device 3 includes sending base 3-1, and sending base 3-1 to be provided with two groups can clamp from two delivery line 2-4 institutes respectively The feed clamp 3-2 of the straight material of output；Every group is sent pipe clamp 3-2 to include the first upper fixture block 3-21, the first lower fixture block 3-22 and be used for The the first cylinder 3-23 for driving the first upper fixture block 3-21 to be moved up and down relative to the first lower fixture block 3-22；First lower fixture block 3-22 is horizontal To the top surface for being located at material feeding seat 3-1 side by side, the first cylinder 3-23 is upside down located at the first support 3- set by material feeding seat 3-1 top surfaces 10 tops, the first upper fixture block 3-22 are located at the first cylinder 3-23 piston rod bottom, the first upper fixture block 3-21 and the first lower fixture block 3-22 opposite face is accordingly provided with the semicircle groove that can synthesize a pore.

Base 3-1 is sent slideably to be socketed on the first slide guide bar 3-4, after being located at moving towards before and after the first slide guide bar 3-4 The top surface of frame 1 between pipe clamping device 4 and straightening device 2；Base 3-1 is sent to be fixedly connected with screw mandrel 3-5, screw mandrel 3-5's is front and rear Both ends are rotatably mounted in two pole socket 3-11 set by frame 1, and the rear end of screw mandrel is fixedly connected on driven pulley 3-6, Driven pulley 3-6 is connected by transmission belt 3-7 with driving wheel 3-8, and driving wheel 3-8 is fixedly connected on motor 3-9 output shaft, electricity Machine 3-8 is installed on the longitudinally mounted plate 3-12 set by the lower section of frame 1；Motor 3-9 by driving wheel 3-8, transmission belt 3-7 and from Driving wheel 3-6 drive screws 3-5 is rotated, and screw mandrel 3-5 drives material feeding seat 3-1 along the first slide guide bar 3-4 in rear pipe clamping device 4 and drawing Front-rear reciprocation movement between straight device 2, it can carry feed clamp 3-2 and convey clamped straight material toward front when moving ahead.

Pipe clamping device 4 includes the rear clamp base 4-1 for being fixedly installed in the top surface of frame 1 afterwards, and rear clamp base 4-1 is provided with two groups The rear pipe clamp 4-2 that respectively can be clamped the back segment that two are directly expected in the progress Pipe Cutting operation of pipe installation 5；Pipe clamp 4- after every group 2 include the second upper fixture block 4-21, the second lower fixture block 4-22 and for driving the second upper fixture block 4-21 relative to second time folder The second cylinder 4-23 that block 4-22 moves up and down；Second lower fixture block 4-22 is located at rear clamp base 4-1 top surface, the second cylinder 4-23 Upside down at the top of the second support 4-3 set by rear clamp base 4-1 top surfaces, the second upper fixture block 4-22 is located at the second cylinder 4-23 Piston rod bottom, the second upper fixture block 4-21 and the first lower fixture block 4-22 opposite face, which are accordingly provided with, can synthesize pore Semicircle groove.

Pipe installation 5 includes the Pipe Cutting seat 5-1 for being fixedly installed in the top surface of frame 1, is provided with laterally side by side in Pipe Cutting seat 5-1 Two groups of cutter mechanisms 5-2, every group of cutter mechanism 5-2 include tool rest 5-21, and tool rest 5-21 is provided with the front and rear pore 5- communicated 23, tool rest 5-21 front end face be equipped with a rotary cutter 5-22 centered on pore 5-23 and two be socketed with bearing, can The support bar 5-24 of materials in the tube, rotary cutter 5-22 and two support bar 5-24 is supported from side to be driven by same drive division and same Step diametrically reciprocates relative to the materials in the tube in pore 5-23, and rotary cutter 5-22 and two support bar 5-24 can when inwardly moving Approach materials in the tube, and by another drive division drive and it is synchronous rotated around materials in the tube, rotary cutter 5-22 is two support bar 5-24's Ring cutting is carried out to materials in the tube under cooperation and is allowed to continuous.

Preceding pipe clamping device 6 includes preceding clamp base 6-1, and preceding clamp base 6-1 is provided with two groups and can carry out cutting work in pipe installation 5 The preceding pipe clamp 6-2 for respectively clamping the leading portion that two are directly expected during industry pipe；Pipe clamp 6-2 includes the first geometrical clamp 6-21 before every group Groove set by being located at the top of fore-clamp base 6-1 with the first activity folder 6-22, the first fixing clip 6-21 and the first activity folder Interior, the first geometrical clamp 6-21 is fixedly installed in the madial wall of groove, before the first activity folder 6-22 is fixedly installed in outside clamp base 6-1 On the piston rod of the 3rd cylinder 6-23 set by end face, driven by the 3rd cylinder 6-23 and transported relative to the first geometrical clamp 6-21 Dynamic, the activity folders of the first geometrical clamp 6-21 and first 6-22 opposite face is accordingly provided with the semicircle groove that can synthesize a pore.

Preceding clamp base 6-1 is slidably connected on the first slide rail 6-3 of the front and rear trend set by the front end of the top surface of frame 1, its bottom The front end of the 4th cylinder 6-4 piston rod is fixedly connected on, the 4th cylinder 6-4 piston rods are frontward fixedly installed in frame 1, Clamp base 6-1 moves forward and backward relative to pipe installation 5 before 4th cylinder 6-4 drivings, and preceding clamp base 6-1 can drive front tube when moving ahead Clamped through the ring cutting of pipe installation 5 but not disconnected straight material leading portion is shut down and forms pipeline section by folder 6-2 from materials in the tube；

The front of preceding pipe clamping device 6 is provided with the preceding forming apparatus for forming pipe end 7 that shaping can be carried out to the front port of two pipeline sections；Should Preceding forming apparatus for forming pipe end 7 includes preceding molding seat 7-1；Preceding molding seat 7-1 is provided with the preceding shaping bar 7-2 for pointing to rear, preceding shaping Seat 7-1 is slidably connected on the second slide rail 7-4 of the front and rear trend set by the top of slide 7-3, and slide 7-3 rear end is provided with the 5th cylinder 7-5, the 5th cylinder 7-5 piston rod are fixedly connected with preceding molding seat 7-1 forward, are led for molding seat 7-1 before driving along second Rail 7-4 is moved forward and backward, and shaping bar 7-2 approaches pipeline section front port to carry out shaping to it before preceding molding seat 7-1 can drive when moving ahead Operation；

Slide 7-3 is slidably connected on longitudinal slide rail 7-7 set on a riser 7-6, and riser 7-6 bottom is provided with the 6th cylinder 7-8, the 6th cylinder 7-8 piston rods are fixedly connected with slide 7-3 upward, for driving slide 7-3 along above and below longitudinal slide rail 7-7 Motion, can be by preceding shaping when molding seat 7-1 can avoid pipeline section forward path when coming downwards to bottom, go upward to top before slide 7-3 is carried Pipe end before pipeline section before bar 7-2 faces clamped by clamp base 6-1.

The preceding left and right sides of pipe clamping device 6 is equipped with the one group of rear pipe end that can be processed to the rear port of single pipeline section shaping Device 8；Forming apparatus for forming pipe end 8 includes the aftershaping seat 8-1 for being fixedly installed in the front end of frame 1 afterwards, and aftershaping seat 8-1 front end is set The holder being made up of the 3rd upper fixture block 8-2 and the 3rd lower fixture block 8-3, the 3rd upper fixture block are provided with fluted 8-11, groove 8-11 8-2 and the 3rd lower fixture block 8-3 opposite face are accordingly provided with the semicircle groove that can synthesize a pore；3rd upper fixture block 8-2 consolidates Surely on the piston rod for the 7th cylinder 8-4 being connected to set by the top of aftershaping seat 8-1, after the 3rd lower fixture block 8-3 is fixedly connected on On the piston rod of the 8th cylinder 8-5 set by molding seat 8-1 bottoms, the 3rd upper fixture block 8-2 and the 3rd lower fixture block 8-3 respectively can be by 7th, the 8th cylinder 8-4,8-5 is driven and synchronous opposite or motion backwards, and the short tube for carrying out rear end plastic operation is clamped Firmly.

Aftershaping seat 8-1 rear piston bar is frontward installed with the 9th cylinder 8-6, the 9th cylinder 8-6 front end Provided with rear shaping bar 8-7, rear shaping bar 8-7 through aftershaping seat 8-1 it is upper set by through hole after enter in groove 8-11, by the Nine cylinder 8-6 drive and moved forward and backward, and its pipeline section rear port that can be approached clamped by holder when moving ahead carries out plastic operation to it.

Being equipped with one group in the frame 1 in the outside of forming apparatus for forming pipe end 8 after every group can be by the bend pipe of single pipeline section bending and molding Device 9.

The front end top surface of frame 1 is installed with door frame 12, and the top both ends of door frame 12 are respectively equipped with one can be by the side Molded bend pipe on swan neck system 9 unloads the unloading arm 10 of body.

Door frame 1 is provided with horizontal guide rod 12-1, slipped on guide rod 12-1 have two can be respectively by corresponding to pipeline section from its After preceding pipe clamp 6-2 is delivered to corresponding to it in forming apparatus for forming pipe end 8 and swan neck system 9 or by pipe clamp 6-2 before corresponding to pipeline section from its Remove the feeding arm 11 for directly unloading body afterwards.

The course of work of the present utility model is：Two automatic to put pipe support two biscuits is sent into straightening devices 2 simultaneously, two Coil pipe is sent forward after straightening device 2 pulls into straight material by feed device 3, and going out length before directly material front end reaches the first setting value When, feed device 3 suspends, and forward and backward pipe clamp 6-2,4-2 respectively clamp the front and rear section directly expected, the 6th cylinder 7-8 driving slides 7-3 goes upward to pipe end before the pipeline section before top makes before molding seat upper two preceding shaping bar 7-2 faces of 7-1 clamped by clamp base 6-1, the Two preceding shaping bar 7-2 are exercised before five cylinder 7-5 drivings before molding seat 7-1 approach two front ports directly expected respectively and it is carried out Plastic operation.

After preceding pipe end shaping, the 6th cylinder 7-8 drivings slide 7-3 comes downwards to bottom to avoid the forward path of straight tube； Forward and backward pipe clamp 6-2,4-2 are opened, and feed device 3 continues to send before straight material, until going out length before directly expecting reaches the second setting value When, stop feeding, forward and backward pipe clamp 6-2,4-2 clamp the front and rear section directly expected and clamped respectively, and two in cutoff device 5 group cut Cutter mechanism 5-2 is synchronous to carry out ring cutting to two straight material and is allowed to continuous.

Clamp base 6-1 moves ahead before 4th cylinder 6-4 drivings, before drive pipe clamp 6-2 by the not disconnected straight material leading portion of ring cutting from straight Shut down on material and form pipeline section.

Preceding pipe clamp 6-2 is opened, and feeding arm 11 removes pipeline section from preceding pipe clamp 6-2 and it is sent into rear forming apparatus for forming pipe end 8 In groove 8-11, holder clamps pipeline section, and shaping bar 8-7 moves ahead after the 9th cylinder 8-6 drivings, and rear shaping bar 8-7 approaches pipeline section Rear port carry out plastic operation.

Afterwards after pipe end shaping, the swan neck system 9 that feeding arm 11 delivers to the pipeline section of respective side this homonymy carries out bend pipe Pipeline section is converted into bend pipe by operation, swan neck system 9.

Unloading arm 10 removes bend pipe from swan neck system 9, and bend pipe is put into setting container.

Claims

1. the two-tube double end integral type bending machine that pipe end is molded before and after a kind of band, including frame, frame are provided with Pipe Cutting production line, Pipe Cutting production line includes preceding pipe clamping device, pipe installation, rear pipe clamping device, pipe-conveying device and straightening device successively from front to back； It is characterized in that：

Straightening device includes being fixedly installed in frame stretching seat, and the top surface for stretching seat is provided with two groups for biscuit to be stretched into That directly expects stretches wheel, stretches the rear of wheel and two reel material can be directed at into two groups of ingress pipes stretched in wheel respectively provided with two, draws The front of through ship is provided with the delivery line that two straight material that respectively can be stretched two groups through stretching seat are directed to pipe-conveying device；

What pipe-conveying device included being slidably connected to frame top surface send base, and sending base to be provided with two groups can clamp from two delivery lines respectively The feed clamp of the straight material exported, this send base to be moved forward and backward between rear pipe clamping device and straightening device, and it can when moving ahead Feed clamp is carried to convey clamped straight material toward front；

Pipe clamping device includes being fixedly installed in the rear clamp base of frame top surface afterwards, and rear clamp base can be in pipe installation provided with two groups Carry out the rear pipe clamp for respectively back segment that two are directly expected being clamped during Pipe Cutting operation；

Pipe installation includes the Pipe Cutting seat for being fixedly installed in frame top surface, respectively can directly expect two provided with two groups in Pipe Cutting seat Leading portion carries out ring cutting and is allowed to continuous cutter mechanism；

Preceding pipe clamping device includes being slidably connected to the preceding clamp base of the top surface of frame, and preceding clamp base, which is provided with two groups, to be entered in pipe installation The preceding pipe clamp that row respectively clamps the leading portion that two are directly expected when cutting working pipe, before and after the preceding clamp base can be relative to pipe installation Motion, pipe clamp shuts down clamped through pipe installation ring cutting but not disconnected straight material leading portion from materials in the tube before it can drive when moving ahead And form pipeline section；

One group of rear forming apparatus for forming pipe end that can be processed to the rear port of single pipeline section is equipped with left and right sides of preceding pipe clamping device；

Being equipped with one group after every group on the outside of forming apparatus for forming pipe end can by the swan neck system of single pipeline section bending and molding and one Molded bend pipe in the lateral bending pipe device is unloaded to the unloading arm of body；

The bending machine is additionally provided with two and respectively can pinched pipeline section to rear forming apparatus for forming pipe end corresponding to it from its corresponding front tube With the feeding arm for directly unloading body in swan neck system or by pipeline section from its corresponding front tube gripping after lower.

2. the two-tube double end integral type bending machine that pipe end is molded before and after a kind of band according to claim 1, it is characterised in that： Ingress pipe on Pipe Cutting production line, stretch wheel, delivery line, feed clamp, rear pipe clamp, cutter mechanism and preceding pipe clamp can be to being divided into two Pipe Cutting working group, Liang Ge Pipe Cuttings working group both can two materials in the tube of synchronous processing, also can by any Pipe Cutting working group individually processing one Root materials in the tube.

3. the two-tube double end integral type bending machine that pipe end is molded before and after a kind of band according to claim 1, it is characterised in that： Pipe Cutting production line can combine operating with feeding arm, form the pipe cutting machine for not having pipe end shaping function.

4. the two-tube double end integral type bending machine that pipe end is molded before and after a kind of band according to claim 1, it is characterised in that： Pipe Cutting production line can combine operating together with feeding arm with preceding forming apparatus for forming pipe end and/or rear forming apparatus for forming pipe end, and being formed has pipe The pipe cutting machine of end shaping function.

5. the two-tube double end integral type bending machine that pipe end is molded before and after a kind of band according to claim 1, it is characterised in that： Pipe Cutting production line can combine operating together with feeding arm with swan neck system and unloading arm, form the bending machine of no pipe end shaping function.

6. the two-tube double end integral type bending machine that pipe end is molded before and after a kind of band according to claim 1, it is characterised in that： Pipe Cutting production line can be with preceding forming apparatus for forming pipe end and/or rear forming apparatus for forming pipe end group together with feeding arm, swan neck system and unloading arm Operating is closed, forms the bending machine with pipe end shaping function.

7. the two-tube double end integral type bending machine that pipe end is molded before and after a kind of band according to claim 1, it is characterised in that： The front of preceding pipe clamping device is provided with the preceding forming apparatus for forming pipe end that shaping can be carried out to the front port of two pipeline sections；The preceding pipe end shaping Device includes preceding molding seat；Preceding molding seat is provided with the preceding shaping bar for pointing to rear；

Preceding molding seat is slidably connected to the top surface of a slide, and is driven by a cylinder and moved forward and backward along slide, and it can drive when moving ahead The front port of pipeline section clamped by pipe clamp is to carry out plastic operation before preceding shaping bar approaches；

Slide is slidably connected to the front face of the riser set by frame front end, and is driven by another cylinder and moved up and down along riser, Its load can be driven to avoid the forward path of pipeline section when it comes downwards to bottom, can be made preceding shaping bar face fore-clamp when it goes upward to top The front port of pipeline section clamped by base.

8. the two-tube double end integral type bending machine that pipe end is molded before and after a kind of band according to claim 1, it is characterised in that： Forming apparatus for forming pipe end includes being fixedly installed in the aftershaping seat of frame front end afterwards, and the front end of aftershaping seat is provided with groove, in groove Provided with the holder for clamping pipeline section；The rear piston bar of aftershaping seat is frontward installed with a cylinder, before the cylinder End is provided with rear shaping bar, and rear shaping bar is driven by the cylinder and preceding through entering in groove after the through hole set by aftershaping seat After move, the pipeline section rear port that can approach clamped by holder carries out plastic operation to it when it moves ahead.