CN111036756A

CN111036756A - Multi-head double-mold pipe end machine

Info

Publication number: CN111036756A
Application number: CN201911281528.XA
Authority: CN
Inventors: 祝金波; 伍嘉亮
Original assignee: Guangzhou Jisun Automation Co ltd
Current assignee: Guangzhou Jisun Automation Co ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-04-21

Abstract

The invention discloses a double-head multi-die pipe end machine which comprises a rack, a feeding mechanism, a positioning mechanism and a clamping mechanism, wherein the feeding mechanism is positioned on one side of the rack and is used for conveying a pipe fitting to be processed; the necking mechanism is positioned on the left side of the feeding mechanism and is used for necking the pipe fitting; the chamfering mechanism is positioned on the left side of the necking mechanism and is used for chamfering the pipe fitting; the necking and looping mechanism is positioned on the left side of the chamfering mechanism and is used for carrying out necking and looping processing on the pipe fitting; and the station transfer mechanism is positioned above the feeding mechanism and used for moving the pipe fittings to each station for processing. The invention has high automation degree, reduces the labor intensity of workers, skillfully integrates the necking, chamfering, necking and looping processes into one device, replaces the traditional mode that a plurality of devices are matched to complete processing, and improves the production efficiency.

Description

Multi-head double-mold pipe end machine

Technical Field

The invention relates to the field of pipe end machines, in particular to a multi-head double-die pipe end machine.

Background

With the development of society and the progress of science and technology, pipe fitting engineering develops towards the direction of high strength and high toughness, the requirements for pipe fitting quality are continuously improved, and pipe manufacturing technology and equipment are also continuously developed. The pipe end forming machine is widely used in pipe making and is used for forming the end of a pipe fitting, and is suitable for forming and processing various shapes of connecting parts of pipe insertion, automobile oil pipes, air pipes, water pipes and air-conditioning pipes.

The existing pipe end machine equipment has a single processing function, and most of the equipment is of a machine type which finishes one process. If a plurality of working procedures are to be finished, all products which finish the previous working procedure need to be collected manually, then the products are loaded to another device again for processing the next working procedure, and one working procedure is processed by one device alternately, so that all the working procedures which need to finish the products need to be converted into a plurality of devices, more manpower is needed, the labor intensity is high, and the processing efficiency is relatively low.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides a double-head multi-die pipe end machine which can finish all working procedures required by a product on one device, reduce the labor intensity and improve the processing efficiency.

The technical scheme adopted by the invention for solving the technical problems is as follows: a multi-head double-die pipe end machine, which comprises a frame,

the feeding mechanism is positioned on one side of the rack and used for conveying the pipe fitting to be processed;

the necking mechanism is positioned on the left side of the feeding mechanism and is used for necking the pipe fitting;

the chamfering mechanism is positioned on the left side of the necking mechanism and is used for chamfering the pipe fitting;

the necking and looping mechanism is positioned on the left side of the chamfering mechanism and is used for carrying out necking and looping processing on the pipe fitting;

and the station transfer mechanism is positioned above the feeding mechanism and used for moving the pipe fittings to each station for processing.

According to the preferable scheme, the feeding mechanism comprises a vibrating disc, an upper material plate, a rodless cylinder, a first clamping cylinder, an upper clamping block and a lower clamping block, a conveying groove is formed in the upper end of the upper material plate, one end of the conveying groove is connected with the discharging end of the vibrating disc, a supporting seat is arranged at the other end of the conveying groove, the rodless cylinder is vertically arranged on the supporting seat, the first clamping cylinder is fixed on the surface of the rodless cylinder, a sliding groove is formed in the front end of the first clamping cylinder, and the upper clamping block and the lower clamping block are slidably connected in the sliding groove.

Preferably, the necking mechanism comprises a motor, a necking piece, a first clamping assembly and a first pushing cylinder for driving the first clamping assembly to move, a supporting strip is fixed on the frame, a groove is arranged on the supporting strip, two ends of the necking piece are movably arranged in the groove, a driving cylinder for pushing the necking piece is connected with the rear part of the necking piece and is fixed on the frame, the rear end of the necking piece is connected with a driven wheel, the output end of the motor is connected with a driving wheel matched with the driven wheel, the motor is arranged above the necking piece, a first slide rail is arranged in front of the necking piece, a first slide block is connected on the first slide rail in a sliding way, the first sliding block is fixedly connected with the first clamping assembly, the rear surface of the first clamping assembly is connected with a jacking assembly, and the first pushing cylinder is located behind the first clamping assembly and fixed on the rack.

As preferred scheme, first clamping component includes first mounting panel, first left clamp splice, first right clamp splice and first die clamping cylinder, the lower surface and the first slider of first mounting panel are connected, be equipped with first draw runner on the upper surface of first mounting panel, first right clamp splice sliding connection on first draw runner, first right clamp splice is connected with first die clamping cylinder's piston rod, the right side at the mounting panel surface is fixed to first die clamping cylinder, the left side at first mounting panel surface is fixed to first left clamp splice.

As preferred scheme, chamfering mechanism includes left chamfer subassembly, right chamfer subassembly and is located the second clamping components between left chamfer subassembly and the right chamfer subassembly, left side chamfer subassembly and right chamfer subassembly all include second push cylinder, rotating electrical machines and chamfer subassembly, be fixed with the second slide rail in the frame, sliding connection has the second slider on the second slide rail, be fixed with the backup pad on the second slider, the upper surface at the backup pad is fixed to rotating electrical machines, rotating electrical machines's output and chamfer subassembly are connected, the rear end of backup pad is fixed with the connecting piece, the piston rod and the connecting piece fixed connection of second push cylinder, second push cylinder is located the rear end of backup pad.

As preferred scheme, the second clamping unit includes second mounting panel, the left clamp splice of second, the right clamp splice of second and second die clamping cylinder, the lower fixed surface of second mounting panel is in the frame, be equipped with the second draw runner on the upper surface of mounting panel, the right clamp splice of second is sliding connection on the second draw runner, the right clamp splice of second is connected with second die clamping cylinder's piston rod, the right side at second mounting panel surface is fixed to second die clamping cylinder, the left clamp splice of second is fixed in the left side at second mounting panel surface.

As preferred scheme, the throat looper mechanism includes third clamping component and sets up the throat subassembly and looper subassembly in third clamping component both sides, the throat subassembly includes throat cylinder, fixed block and throat cutter, be equipped with the third slide rail in the frame, sliding connection has the third slider on the third slide rail, the third slider is connected with the lower surface of fixed block, the rear end and the piston rod of throat cylinder of fixed block are connected, the front end of fixed block is fixed with the throat cutter, the directional third clamping component of throat cutter.

As a preferred scheme, the ring beating assembly comprises a ring beating cylinder, a connecting block and a ring beating cutter, a fourth sliding rail is arranged on the rack and is located on the opposite side of the third sliding rail, a fourth sliding block is slidably connected onto the fourth sliding rail and is fixedly connected with the lower surface of the connecting block, the rear end of the connecting block is connected with a piston rod of the ring beating cylinder, the ring beating cutter is fixed to the front end of the connecting block, and the ring beating cutter points to a third clamping assembly.

As the preferred scheme, station shift mechanism includes support, anchor clamps fixed plate, servo motor and servo lead screw, the upper end of support is fixed with the fifth slider, but sliding connection has the third draw runner on the fifth slider, the rear surface at the anchor clamps fixed plate is fixed to the third draw runner, the anchor clamps fixed plate is connected with the slide, slide slidable ground is connected on servo lead screw, servo lead screw fixes the upper end at the support, servo lead screw's one end is equipped with first synchronizing wheel, servo motor's output is equipped with the second synchronizing wheel, servo motor fixes on the support, the front surface of anchor clamps fixed plate has set gradually first anchor clamps, second anchor clamps, third anchor clamps and fourth anchor clamps.

As a preferred scheme, first anchor clamps, second anchor clamps, third anchor clamps and fourth anchor clamps all include that cylinder fixed plate, lift cylinder, second press from both sides and get cylinder and clamping jaw, the cylinder fixed plate is fixed on the anchor clamps fixed plate, the lift cylinder is fixed on the cylinder fixed plate, the piston rod of lift cylinder is connected with the second and gets the cylinder, the front end that the cylinder was got to the second clamp is connected with the clamping jaw, the clamping jaw is vertical downwards.

Compared with the prior art, the invention has the beneficial effects that: the pipe fitting to be processed is conveyed forwards through the feeding mechanism, then the pipe fitting is clamped from the feeding mechanism and conveyed to a necking station through a first clamp in the station conveying mechanism, then the necking mechanism performs necking processing on the pipe fitting, after the pipe fitting is processed in a necking process, a second clamp in the station transferring mechanism clamps the processed pipe fitting from the necking station, then the pipe fitting is conveyed to a chamfering station, so that the chamfering mechanism performs chamfering processing on the pipe fitting, after the chamfering process is completed, a third clamp in the station mechanism clamps the processed pipe fitting from the chamfering station, then the pipe fitting is conveyed to a necking looping station, so that the necking looping mechanism performs necking and looping on the pipe fitting, after the pipe fitting mechanism is completed, a fourth clamp in the station transferring mechanism clamps the processed pipe fitting from the necking looping station, and then the processed pipe fitting is placed in a collecting area for collection, the automatic necking and chamfering machine has the advantages that the operation is convenient, the automation degree is high, the labor intensity of workers is reduced, the necking, chamfering, necking and looping processes are skillfully integrated on one device, the traditional mode that multiple devices are matched to complete machining is replaced, and the production efficiency is improved; the first clamp, the second clamp, the third clamp and the fourth clamp adopt the servo motor and the servo screw rod to simultaneously control the movement of the first clamp, the second clamp, the third clamp and the fourth clamp, so that the clamping tools can be synchronously carried out, the processing time is shortened, and the production efficiency is greatly improved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view of the double-ended, multi-mode pipe end machine of the present invention.

Fig. 2 is a schematic view of a feed mechanism.

Fig. 3 is another schematic view of the feeding mechanism.

Fig. 4 is a schematic view of the necking mechanism.

Fig. 5 is a schematic view of a first clamping assembly.

Fig. 6 is a schematic view of the chamfering mechanism.

FIG. 7 is a schematic view of the left chamfer assembly.

Fig. 8 is a schematic view of a second clamping assembly.

Fig. 9 is a schematic view of a throat looping mechanism.

Fig. 10 is a schematic view of a throat assembly.

FIG. 11 is a schematic view of a looper assembly.

FIG. 12 is a schematic view of a station transfer mechanism.

Fig. 13 is a schematic view of a first clamp.

1-a frame; 2-a control panel; 3-a feeding mechanism; 31-a vibrating disk; 32-feeding plate; 33-a support base; 34-rodless cylinders; 35-a first gripper cylinder; 36-an upper clamping block; 37-a lower clamping block; 38-a conveying trough; 4-a necking mechanism; 41-a motor; 42-a necking piece; 43-a first clamping assembly; 431-a first mounting plate; 432-a first slider; 433 — a first clamping cylinder; 434-first right clamp splice; 435-a first left clamp block; 44-a first push cylinder; 45-driving the cylinder; 46-support bar; 47-a driven wheel; 48-driving wheel; 49 — first slider; 410-a first slide rail; 411-a puller assembly; 5-chamfering mechanism; 51-left chamfer assembly; 511-a second slide rail; 512-second slider; 513-a support plate; 514-rotating electric machine; 515-a chamfer assembly; 516-a connector; 517-a second pushing cylinder; 52-a second clamping assembly; 51-a second mounting plate; 522-a second slider; 523-second clamping cylinder; 524-a second left clamp block; 525-a second right clamp block; 53-right chamfer assembly; 6-a necking and looping mechanism; 61-a third clamping assembly; 62-a necking down assembly; 621-a third slide rail; 622-third slider; 623-a necking cylinder; 624-fixed block; 625-necking tool; 63-a looper assembly; 631-a fourth slide rail; 632-a fourth slider; 633-looping cylinder; 634-connecting block; 635-looping cutters; 7-station transfer mechanism; 71-a scaffold; 72-clamp fixing plate; 73-a servo motor; 74-second synchronizing wheel; 75-a servo screw rod; 76-a slide seat; 77-a first synchronizing wheel; 78-a fourth clamp; 79-third clamp; 710-a second clamp; 711-first clamp; 7111-cylinder fixing plate; 7112-lifting cylinder; 7113-second gripper cylinder; 7114-jaws; 712-third slider.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

In the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, which are merely for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention; the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1, a multi-head double-mold pipe end machine includes a frame 1,

the feeding mechanism 3 is positioned on one side of the rack 1 and used for conveying the pipe fitting to be processed;

the necking mechanism 4 is positioned on the left side of the feeding mechanism 3 and is used for necking the pipe fitting;

the chamfering mechanism 5 is positioned on the left side of the necking mechanism 4 and is used for chamfering the pipe fitting;

the necking and looping mechanism 6 is positioned on the left side of the chamfering mechanism 5 and is used for carrying out necking and looping processing on the pipe fitting;

the station transfer mechanism 7 is positioned above the feeding mechanism 2 and used for moving the pipe fittings to each station for processing;

and the control panel 2 is fixed on the rack 1 and used for controlling the feeding mechanism 3, the necking mechanism 4, the chamfering mechanism 5, the necking and looping mechanism 6 and the station transfer mechanism 7.

Specifically, referring to fig. 2-3, the feeding mechanism 3 includes a vibrating plate 31, a feeding plate 32, a rodless cylinder 34, a first clamping cylinder 35, an upper clamping block 36, and a lower clamping block 37, wherein a conveying groove 38 is formed at the upper end of the feeding plate 32, one end of the conveying groove 38 is connected to the discharge end of the vibrating plate 31, a support seat 33 is formed at the other end of the conveying groove 38, the rodless cylinder 34 is vertically arranged on the support seat 33, the first clamping cylinder 35 is fixed on the surface of the rodless cylinder 34, a sliding groove is formed at the front end of the first clamping cylinder 35, and the upper clamping block 36 and the lower clamping block 37 are slidably connected in the sliding groove.

Adopt above-mentioned scheme, the pipe fitting that will wait to process is placed on vibration dish 31, enter into the conveyer trough 38 through the reason material of vibration dish 31 and carry forward in, then press from both sides the cylinder 35 downstream through the rodless cylinder 34 drive that is located the conveyer trough 38 discharge end, make on press from both sides tight piece 36 and press from both sides the mouth and the conveyer trough 38 department of getting of tight piece 37 down, press from both sides tight piece 36 and press from both sides tight piece 37 mutually supporting and get the pipe fitting of pressing from both sides from the conveyer trough 38 on the drive of first clamp and press from both sides tight cylinder 35 after pressing from both sides tight pipe fitting, rodless cylinder 34 drive is pressed from both sides tight cylinder 35 upward movement, and then the pipe fitting upward movement of pressing from both sides is got in the drive, thereby accomplish the automatic feeding to the pipe fitting, the degree of automation is high, workman's intensity.

Specifically, referring to fig. 4-5, the necking mechanism includes a motor 41, a necking piece 42, a first clamping assembly 43, and a first pushing cylinder 44 for driving the first clamping assembly 43 to move, a supporting bar 46 is disposed on the frame 1, the supporting bar 46 is provided with a groove, two ends of the necking piece 42 are movably disposed in the groove, a driving cylinder 45 for pushing the necking piece 42 is connected to the rear of the necking piece 42, the driving cylinder 45 is fixed on the frame 1, the rear end of the necking piece 42 is connected with a driven wheel 47, the output end of the motor 41 is connected with a driving wheel 48 matched with the driven wheel 47, the motor 41 is disposed above the necking piece 42, a first sliding rail 410 is disposed in front of the necking piece 42, a first sliding block 49 is slidably connected to the first sliding rail 410, the first sliding block 49 is fixedly connected to the first clamping assembly 43, the rear surface of the first clamping assembly 43 is connected with a tightening assembly 411, the first push cylinder 44 is located behind the first clamping assembly 43 and is fixed to the frame 1.

More specifically, the first clamping assembly 43 includes a first mounting plate 431, a first left clamping block 435, a first right clamping block 434, and a first clamping cylinder 433, wherein the lower surface of the first mounting plate 431 is connected with the first slider 49, the upper surface of the first mounting plate 431 is provided with a first slide 432, the first right clamping block 434 is slidably connected on the first slide 432, the first right clamping block 434 is connected with the piston rod of the first clamping cylinder 433, the first clamping cylinder 433 is fixed on the right side of the surface of the first mounting plate 431, and the first left clamping block 435 is fixed on the left side of the surface of the first mounting plate 431.

By adopting the scheme, after the pipe fitting is fed through the feeding mechanism 3, the station transfer mechanism 7 clamps the conveyed pipe fitting from the feeding mechanism 3, and then conveys the clamped pipe fitting to the first mounting plate 431 in the necking mechanism 4, at the moment, the pipe fitting is positioned between the first left clamping block 435 and the first right clamping block 434, then the first clamping cylinder 433 drives the first right clamping block 434 to move towards the first left clamping block 435, so that the first left clamping block 435 and the first right clamping block 434 are matched with each other to clamp the pipe fitting, after the pipe fitting is clamped, the first pushing cylinder 44 pushes the first mounting plate 434 to move towards the necking piece 42, so that one end of the clamped pipe fitting extends into the necking piece 42, and then the jacking assembly 411 jacks the other end of the pipe fitting, so that the machining of the necking piece 42 on the pipe fitting is more stable, and deflection cannot occur.

Specifically, referring to fig. 6 to 8, the chamfering mechanism 5 includes a left chamfering assembly 51, a right chamfering assembly 53, and a second clamping assembly 52 located between the left chamfering assembly 51 and the right chamfering assembly 53, each of the left chamfering assembly 51 and the right chamfering assembly 53 includes a second pushing cylinder 517, a rotating electrical machine 514, and a chamfering assembly 515, a second sliding rail 511 is fixed on the frame 1, a second sliding block 512 is slidably connected on the second sliding rail 511, a supporting plate 513 is fixed on the second sliding block 512, the rotating electrical machine 514 is fixed on the upper surface of the supporting plate 513, an output end of the rotating electrical machine 514 is connected with the chamfering assembly 515, a connecting member 516 is fixed at a rear end of the supporting plate 513, a piston rod of the second pushing cylinder 517 is fixedly connected with the connecting member 516, and the second pushing cylinder 517 is located at a rear end of the supporting plate 513.

More specifically, the second clamping assembly 52 includes a second mounting plate 521, a second left clamping block 525, a second right clamping block 524, and a second clamping cylinder 523, a lower surface of the second mounting plate 521 is fixed on the frame 1, a second slide 522 is disposed on an upper surface of the second mounting plate 521, the second right clamping block 524 is slidably connected on the second slide 522, the second right clamping block 524 is connected with a piston rod of the second clamping cylinder 523, the second clamping cylinder 523 is fixed on a right side of a surface of the second mounting plate 521, and the second left clamping block 525 is fixed on a left side of the surface of the second mounting plate 521.

By adopting the scheme, after the pipe fitting is machined in the reducing mechanism 4, the station moving mechanism 7 clamps the machined pipe fitting from the reducing mechanism 4, then conveys the clamped pipe fitting to the second mounting plate 521 in the chamfering mechanism 2, at the moment, the pipe fitting is positioned between the second left clamping block 525 and the second right clamping block 524, then the second clamping cylinder 523 drives the second right clamping block 524 to move towards the second left clamping block 525, so that the second left clamping block 525 and the second right clamping block 524 are matched with each other to clamp the pipe fitting, after the pipe fitting is clamped, the second pushing cylinders 517 in the left chamfering assembly 51 and the right chamfering assembly 53 respectively push the supporting plate 513 to move towards the pipe fitting, and further drive the rotating motor 514 fixed on the supporting plate 513 to move, so that the chamfering assembly 515 fixed at the conveying end of the rotating motor 513 is contacted with the end part of the pipe fitting, and then the chamfering assembly 515 is driven by the rotating motor 514 to chamfer the two ends of the pipe fitting, simple structure, degree of automation is high, and processing is more accurate.

Specifically, referring to fig. 9-11, the necking and looping mechanism 6 includes a third clamping assembly 61, and a necking assembly 62 and a looping assembly 63 disposed on two sides of the third clamping assembly 61; wherein, throat subassembly 62 includes throat cylinder 621, fixed block 624 and throat cutter 625, is equipped with third slide rail 621 on frame 1, and sliding connection has third slider 622 on third slide rail 621, and third slider 622 is connected with the lower surface of fixed block 624, and the rear end of fixed block 624 is connected with the piston rod of throat cylinder 623, and the front end of fixed block 624 is fixed with throat cutter 625, and the directional third clamping component 61 of throat cutter 625.

Foretell looper subassembly 63 includes looper cylinder 633, connecting block 634 and looper cutter 635, be equipped with fourth slide rail 631 in frame 1, fourth slide rail 631 is located the offside of third slide rail 621, sliding connection has fourth slider 632 on the fourth slide rail 631, fourth slider 632 and connecting block 634's lower surface fixed connection, the rear end of connecting block 634 is connected with the piston rod of looper cylinder 633, the front end of connecting block 634 is fixed with looper cutter 635, the directional third clamping component 61 of looper cutter 635.

By adopting the scheme, after the pipe fitting is machined in the chamfering mechanism 5, the station moving mechanism 7 clamps the machined pipe fitting from the chamfering mechanism 5, then conveys the clamped pipe fitting to the third clamping component 61 in the necking and looping mechanism 6 for clamping, and after the pipe fitting is clamped, the necking cylinder 623 and the looping cylinder 633 respectively drive the fixed block 624 and the connecting block 634 to move towards the end part of the pipe fitting, so that the necking tool 625 and the looping tool 635 which are respectively fixed at the front ends of the fixed block 624 and the connecting block 634 respectively machine the two ends of the pipe fitting, and thus the necking and looping machining of the pipe fitting is completed.

Specifically, referring to fig. 12 to 13, the station transferring mechanism 7 includes a bracket 71, a clamp fixing plate 72, a servo motor 73 and a servo screw 45, a fifth slider (not shown) is fixed at an upper end of the bracket 71, the fifth slider is slidably connected with a third slide bar 712, the third slide bar 712 is fixed on a rear surface of the clamp fixing plate 72, the clamp fixing plate 72 is connected with a slide carriage 76, the slide carriage 76 is slidably connected to the servo screw 75, the servo screw 75 is fixed at an upper end of the bracket 71, one end of the servo screw 75 is provided with a first synchronizing wheel 77, an output end of the servo motor 73 is provided with a second synchronizing wheel 74, the servo motor 73 is fixed on the bracket 71, and a first clamp 711, a second clamp 710, a third clamp 709 and a fourth clamp 708 are sequentially arranged on a front surface of the clamp fixing plate 72.

The first clamp 711, the second clamp 710, the third clamp 709 and the fourth clamp 708 comprise a cylinder fixing plate 7111, a lifting cylinder 7112, a second clamping cylinder 7113 and a clamping jaw 7114, the cylinder fixing plate 7111 is fixed on the clamp fixing plate 72, the lifting cylinder 7112 is fixed on the cylinder fixing plate 7111, a piston rod of the lifting cylinder 7112 is connected with the second clamping cylinder 7113, the front end of the second clamping cylinder 7113 is connected with the clamping jaw 7114, and the clamping jaw 7114 faces downwards vertically.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. a multi-head dual-mode pipe end machine is characterized in that: comprise a frame,

The feeding mechanism, located on one side of the frame, is used to transport the pipe to be processed;

The necking mechanism, located on the left side of the feeding mechanism, is used for necking processing of pipe fittings;

The chamfering mechanism, located on the left side of the necking mechanism, is used to chamfer the pipe fittings;

The necking and ringing mechanism is located on the left side of the chamfering mechanism, which is used for necking and ringing processing of pipe fittings;

The station transfer mechanism, located above the feeding mechanism, is used to move the pipe to each station for processing.

2. The multi-head dual-die tube end machine according to claim 1, wherein the feeding mechanism comprises a vibrating plate, a feeding plate, a rodless cylinder, a first clamping cylinder, an upper clamping block and a lower clamping The upper end of the feeding plate is provided with a conveying slot, one end of the conveying slot is connected with the discharging end of the vibrating plate, and the other end of the conveying slot is provided with a support seat, which is vertically arranged on the support seat. There is a rodless cylinder, the surface of the rodless cylinder is fixed with a first clamping cylinder, the front end of the first clamping cylinder is provided with a chute, and the upper clamping block and the lower clamping block are slidably connected in the chute.

3. The multi-head dual-die tube end machine according to claim 1, wherein the necking mechanism comprises a motor, a necking part, a first clamping assembly and a first pushing cylinder for driving the movement of the first clamping assembly , a support bar is fixed on the frame, a groove is opened on the support bar, both ends of the constriction piece are movably arranged in the groove, and a push constriction is connected to the rear of the constriction piece The driving cylinder is fixed on the frame, the rear end of the necking part is connected with a driven wheel, the output end of the motor is connected with a driving wheel matched with the driven wheel, and the motor is arranged on the A first sliding rail is arranged above the necking piece and in front of the necking piece, a first sliding block is slidably connected to the first sliding rail, and the first sliding block is fixedly connected with the first clamping assembly, The rear surface of the first clamping assembly is connected with a jacking assembly, and the first pushing cylinder is located behind the first clamping assembly and is fixed on the frame.

4. The multi-head dual-die tube end machine according to claim 3, wherein the first clamping assembly comprises a first mounting plate, a first left clamping block, a first right clamping block and a first clamping cylinder , the lower surface of the first mounting plate is connected with the first sliding block, the upper surface of the first mounting plate is provided with a first sliding bar, and the first right clamping block is slidably connected on the first sliding bar, The first right clamping block is connected with the piston rod of the first clamping cylinder, the first clamping cylinder is fixed on the right side of the surface of the mounting plate, and the first left clamping block is fixed on the left side of the surface of the first mounting plate. side.

5. The multi-head dual-die tube end machine according to claim 1, wherein the chamfering mechanism comprises a left chamfering assembly, a right chamfering assembly and a first chamfering assembly located between the left chamfering assembly and the right chamfering assembly Two clamping assemblies, the left chamfering assembly and the right chamfering assembly each include a second pushing cylinder, a rotating motor and a chamfering assembly, a second slide rail is fixed on the frame, and slides on the second slide rail A second sliding block is connected, a supporting plate is fixed on the second sliding block, the rotating motor is fixed on the upper surface of the supporting plate, the output end of the rotating motor is connected with the chamfering component, and the back of the supporting plate is A connecting piece is fixed at the end, the piston rod of the second pushing cylinder is fixedly connected with the connecting piece, and the second pushing cylinder is located at the rear end of the support plate.

6. The multi-head dual-die tube end machine according to claim 5, wherein the second clamping assembly comprises a second mounting plate, a second left clamping block, a second right clamping block and a second clamping cylinder , the lower surface of the second mounting plate is fixed on the rack, the upper surface of the mounting plate is provided with a second sliding bar, the second right clamping block is slidably connected on the second sliding bar, the first Two right clamping blocks are connected with the piston rod of the second clamping cylinder, the second clamping cylinder is fixed on the right side of the surface of the second mounting plate, and the second left clamping block is fixed on the left side of the surface of the second mounting plate .

7 . The multi-head dual-die tube end machine according to claim 1 , wherein the necking and ringing mechanism comprises a third clamping assembly and a necking assembly and a ringing assembly arranged on both sides of the third clamping assembly. 8 . The shrinking assembly includes a shrinking cylinder, a fixing block and a shrinking tool, a third sliding rail is provided on the frame, and a third sliding block is slidably connected to the third sliding rail. The sliding block is connected with the lower surface of the fixed block, the rear end of the fixed block is connected with the piston rod of the shrinking cylinder, the front end of the fixed block is fixed with a shrinking cutter, and the shrinking cutter points to the third clamping assembly.

8. The multi-head dual-die tube end machine according to claim 7, wherein the ringing assembly comprises a ringing cylinder, a connecting block and a ringing cutter, and the frame is provided with a fourth slide rail, so that the The fourth sliding rail is located on the opposite side of the third sliding rail, a fourth sliding block is slidably connected to the fourth sliding rail, the fourth sliding block is fixedly connected with the lower surface of the connecting block, and the rear of the connecting block is The end is connected with the piston rod of the ringing cylinder, the front end of the connecting block is fixed with a ringing tool, and the ringing tool points to the third clamping assembly.

9. The multi-head dual-die tube end machine according to claim 1, wherein the station transfer mechanism comprises a bracket, a fixture fixing plate, a servo motor and a servo screw, and the upper end of the bracket is fixed with a fifth slide A third sliding bar is slidably connected to the fifth sliding block, the third sliding bar is fixed on the rear surface of the fixture fixing plate, the fixture fixing plate is connected with a sliding seat, and the sliding seat is slidable Connected to the servo screw, the servo screw is fixed on the upper end of the bracket, one end of the servo screw is provided with a first synchronizing wheel, the output end of the servo motor is provided with a second synchronizing wheel, and the servo motor Fixed on the bracket, the front surface of the clamp fixing plate is sequentially provided with a first clamp, a second clamp, a third clamp and a fourth clamp.

10. The multi-head dual-die tube end machine according to claim 9, wherein the first clamp, the second clamp, the third clamp and the fourth clamp all comprise a cylinder fixing plate, a lifting cylinder, a second clamping Cylinder and clamping jaw, the cylinder fixing plate is fixed on the fixture fixing plate, the lifting cylinder is fixed on the cylinder fixing plate, the piston rod of the lifting cylinder is connected with a second clamping cylinder, the second clamping cylinder The front end of the device is connected with a clamping claw, and the clamping claw is vertically downward.