CN205660067U

CN205660067U - Tight bending machine of throat package

Info

Publication number: CN205660067U
Application number: CN201620542113.9U
Authority: CN
Inventors: 杨雷刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-06-03
Filing date: 2016-06-03
Publication date: 2016-10-26
Anticipated expiration: 2026-06-03

Abstract

The utility model discloses a tight bending machine of throat package, including board and electrical control box, be equipped with in proper order on the board: the doffer for put pipe fitting and fixed with pipe fitting transmission to next station, the throat device, two throat device heads are relative, and are located the low reaches station of doffer, and the throat device uses the throat mould to carry out throat processing at the both ends of pipe fitting head to carry out throat and closure fastening with the pipe fitting, the dysmorphism swan neck system is located the low reaches station of throat device, has curved mould, and special -shaped swan neck system uses curved mould to suppress the pipe fitting into predetermined shape. This tight bending machine of throat package, the throat that can accomplish the electrothermal tube in same platform equipment simultaneously is crooked with the dysmorphism, and degree of automation is high from this, can save the manual work, has improved production efficiency, has reduceed manufacturing cost. The device can also automatic crooked electrothermal tube draw the stick, after the bending to draw the stick wiring easy, the short circuit can not take place, all the more so to annular electrothermal tube.

Description

Reducing packs tightly bending machine

Technical field

This utility model relates to electrothermal tube machine-shaping device, packs tightly bending machine particularly to a kind of reducing.

Background technology

It is ubiquitous that electrothermal tube can be said in our life, such as the electrothermal tube inside soy bean milk making machine, the electricity in electric cooker Heat pipe, electrothermal tube inside water heater etc..

Electrothermal tube, in order to adapt to the interior shape of different heating device housing, often bends to different forms.Along with tubing adds The development of industrial and commercial bank's industry, pipe shape is increasingly sophisticated, and degree of crook and bend pipe shape need to electrothermal tube are more and more diversified, phase The angle pipe equipment answered is also required to constantly update transformation.

The device bending electrothermal tube in prior art is divided into manual and semi-automatic two kinds, making of hand electric heat pipe apparatus for bending Generally manually being placed in apparatus for bending by electrothermal tube by mode, utilization is fixed on by the way of hinged on bending platform and can be Electrothermal tube is pressed in the fixed block coordinated with hand bending tool on bending platform by the hand bending tool rotated on bending platform, Afterwards with the pin joint of hand bending tool and bending platform for fulcrum hand bending tool, electrothermal tube is bent to certain Shape.

The operation principle of semi-automatic electrothermal tube apparatus for bending is: utilize the bending plate controlled by cylinder or folded block to be placed on Electrothermal tube on correspondence position is curved, and replaces manual operation.

But, described bending step is only once, it is impossible to make the complete molding of electrothermal tube, still needs to lower a kind of bending machine to electric heating Pipe bends again, wastes the production time, reduces production efficiency, and each bender side all still needs to personnel and sees Keep and place, electrothermal tube of taking, waste human resources.

And, electrothermal tube is typically by metal tube, heating wire and the insulating powder with good heat resistance, heat conductivity and insulating properties End is constituted.Wherein heating wire is located at inside metal tube.Heating wire both ends have draws rod.Draw rod for being connected with wire.Insulation Powder is filled in the gap between surrounding and heating wire and the metal tube of heating wire.Insulating powder is generally magnesium oxide (MgO) powder.

Electrothermal tube is before processing and forming, in addition it is also necessary to be processed two ends, makes to draw rod two ends and exposes, then puts end-blocking porcelain Ring, finally recycling reducing device carries out reducing to electrothermal tube.The electrothermal tube that reducing completes, just can be bent processing.Electricity Heat pipe carries out reducing it is generally required to special sealing device.Each sealing device side be also both needed to personnel carry out guarding and place, Waste human resources, reduce production efficiency.

The pipe end phase drawing rod majority and electrothermal tube at the electrothermal tube two ends of the equipment brake forming of existing bending electrothermal tube Parallel, for the electrothermal tube of annular, often because two ends draw that rod leans on the nearest, cause wiring difficult, the most easily It is short-circuited.

Utility model content

The purpose of this utility model is to provide a kind of reducing and packs tightly bending machine.

According to an aspect of the present utility model, it is provided that a kind of reducing packs tightly bending machine, including board and electrical control Case, board is sequentially provided with:

Doffer, for putting pipe fitting and the pipe fitting after filling porcelain bead being transferred to next station and fixed；

Reducing device, two reducing device heads are relative, and are positioned at the downstream process of doffer, and reducing device uses rotation The two ends head of the necking die turned pipe fitting after filling porcelain bead carries out reducing processing, thus pipe fitting is carried out reducing and closing Fixing；

Abnormity swan neck system, is positioned at the downstream process of reducing device, and abnormity swan neck system has curved mould, abnormity swan neck system Curved mould is used to be pressed into predetermined shape by closing fixing pipe fitting in reducing device.

The reducing using above technical scheme packs tightly bending machine, can complete the contracting of electrothermal tube in same equipment simultaneously Mouth and abnormity bending, thus automaticity is high, can save manually, improve production efficiency, reduce production cost.

In some embodiments, doffer includes blanking rack, gear pipe cylinder and pressure pipe cylinder, is provided with below blanking rack For holding the porcelain bead dish of porcelain bead, pipe fitting is placed on blanking rack by blanking rack one end, uses staff or machinery by porcelain bead dish In porcelain bead be seated in pipe fitting head end, pipe fitting has loaded the backward blanking rack other end and has moved, and the blanking rack other end is provided with processing Seat, processing seat once can be laid a pipe fitting, keep off pipe cylinder and be fixed on processing seat side, in the gear each course of processing of pipe cylinder Being blocked by second pipe fitting, so that the most only first pipe fitting enters processing seat, pressure pipe cylinder can be by first pipe fitting pressure It is tightly fixed on processing seat.After pipe fitting is placed on blanking rack, use the porcelain bead in staff or machinery filling porcelain bead dish.Gear pipe Cylinder each course of processing action once, the most only allows a pipe fitting to pass through.

In some embodiments, reducing device includes motor, advance and retreat cylinder and motor fixing plate, and motor is fixed on motor In fixed plate, motor fixing plate is connected with board by sliding track mechanism, and advance and retreat cylinder is connected with motor fixing plate, is used for driving Motor fixing plate moves back and forth on board along sliding track mechanism, and the motor shaft of motor is provided with necking die, necking die by Driven by motor rotates, and by driving along sliding track mechanism near pipe fitting head end, thus the head end of pipe fitting is carried out reducing processing.Contracting Mouth die tool can be the necking die of sleeve, it is also possible to is taken turns by the reducings of more than three and forms.The head end of pipe fitting contracts After mouth processing, porcelain bead is tightly connected with pipe fitting.

In some embodiments, necking die includes the fixing seat of reducing wheel and at least three reducing wheel, and reducing wheel is fixing Seat and the fixed installation of the motor shaft of motor, the fixing seat of reducing wheel is fixed with reducing wheel shaft, and reducing wheel shaft takes turns 1 a pair with reducing Should, reducing wheel is connected by bearing with reducing wheel shaft, and each reducing wheel is being fixed while seat revolves round the sun also with respectively with reducing wheel From reducing wheel shaft be that axle carries out rotation.Reducing wheel can avoid reducing wheel to produce with pipe fitting outer wall with rotation when reducing It is high and easy to wear that excessive friction causes choke megadyne temperature to be spent, thus the better quality of reducing processing.

In some embodiments, abnormity swan neck system includes the first swan neck system and the second swan neck system, the first bend pipe Device is arranged on one end or the two ends of pipe fitting, and the second swan neck system is arranged at the side of pipe fitting, and the first swan neck system includes a left side Right bend pipe cylinder and the bend pipe wheel being fixed on the bend pipe cylinder of left and right, the second swan neck system includes bend pipe cylinder, bend pipe support, cunning Dynamic plate and press moulding mechanism, sliding panel is connected with bend pipe bracket slide, and bend pipe cylinder is connected with sliding panel, is used for driving sliding panel edge Bend pipe bracket slide, sliding panel is fixed with curved mould, and press moulding mechanism is positioned at curved mould side and fixes with sliding panel, press moulding mechanism bag Including pressing mold cylinder and pressing die head, during pressing mold air cylinder driven pressing mold crown pressure pipe part, pipe fitting is fixed with curved mould, and pipe fitting enters station After, pressing die head is fixed on curved mould, and curved mould extrudes in the middle part of pipe fitting under the driving of bend pipe cylinder, and bend pipe is taken turns at left and right bend pipe The head end of the lower extruding pipe fitting of the effect of cylinder, the first swan neck system and the second swan neck system synergism, thus pipe fitting is bent Molding.Thus, abnormity swan neck system is processed to the electrothermal tube of more different size requirement, and versatility is more preferable.

In some embodiments, the second swan neck system also includes drawing rod bending apparatus, draws rod bending apparatus for bending Pipe fitting two ends after molding draw rod, draw rod bending apparatus and include drawing rod bending cylinder and be arranged on and draw drawing on rod bending cylinder Rod pressure head, draws rod pressure head corresponding with the position drawing rod.After bending to draw rod wiring easy, will not be short-circuited, for annular For electrothermal tube all the more so.

In some embodiments, the second swan neck system also includes ejecting cylinder, ejects cylinder for by the pipe fitting of molding Eject from curved mould.Thus can realize automatic material returning, production efficiency is higher.

In some embodiments, also including centralising device, centralising device is arranged near the second bending mould device, and centering fills Putting two aligning arms including centering cylinder and being connected with centering cylinder, two aligning arms lay respectively at pipe fitting two ends, centering gas During cylinder stretching motion, two aligning arms close to each other with identical speed or away from, during centralising device works, its In aligning arm the most inconsistent with pipe fitting, pipe fitting moves with aligning arm, until with the conflict of another root aligning arm, now centering Cylinder single direction stroke is covered, and starts to move to opposite direction, and pipe fitting and two aligning arms disengage, and position is fixed, due to centering The speed of arm is identical, so the center line of the distance between the center line along two aligning arm directions of motion of pipe fitting and two aligning arms Overlap.Thus, every pipe fitting can determine at same position, it is simple to processing.

In some embodiments, two aligning arms further respectively have the centering block that can contact mutually with pipe fitting, centering block with Aligning arm is connected by screw thread, and the initial separation of two aligning arms can regulate.Thus, centralising device goes for difference Length and the electrothermal tube of specification.

In some embodiments, also including pipe-conveying device, the station of pipe-conveying device is positioned at reducing device and abnormity bend pipe Between device, pipe-conveying device is clamped and is transported to abnormity swan neck system for pipe fitting reducing completed by the station of reducing device Station, pipe-conveying device includes machinery tong and for ordering about the machinery tong upper therapeutic method to keep the adverse QI flowing downwards that the most vertically moves and move forward and backward Cylinder and send pipe cylinder.The pipe fitting that reducing can be completed by pipe-conveying device is clamped and is transported to abnormity swan neck system by reducing device.

In some embodiments, also including adjusting means, adjusting means is arranged in doffer, and adjusting means includes The adjustable plate that two pieces of positions are corresponding, adjustable plate is slidably connected with board, and reducing device is fixed on adjustable plate, and adjustable plate is respectively Being provided with the regulation screw mandrel for regulating its position, during turn regulation screw mandrel, adjustable plate is loaded with reducing device and is slided along board.By This, this reducing packs tightly bending machine and goes for the electrothermal tube of different length and specification.

Accompanying drawing explanation

Fig. 1 is the course of processing schematic diagram of annular electric heating tube.

Fig. 2 is the structural representation that the reducing of a kind of embodiment of this utility model packs tightly bending machine.

Fig. 3 is the exploded view that reducing shown in Fig. 2 packs tightly bending machine figure.

Fig. 4 is the structural representation in one direction of doffer in Fig. 2.

Fig. 5 is the enlarged drawing of part shown in A in Fig. 4.

Fig. 6 is the structural representation in another direction of doffer shown in Fig. 4.

Fig. 7 is the structural representation of reducing device in Fig. 2.

Fig. 8 is the enlarged drawing of part shown in B in Fig. 7.

Fig. 9 is the installation diagram of reducing device shown in Fig. 7.

Figure 10 is the profile of reducing wheel in Fig. 9.

Figure 11 is the structural representation of the first swan neck system in Fig. 2.

Figure 12 is the structural representation of the second swan neck system in Fig. 2.

Figure 13 is the enlarged drawing of part shown in C in Figure 12.

Figure 14 is the structural representation of centralising device in Fig. 2.

Figure 15 is the structural representation of pipe-conveying device in Fig. 2.

Detailed description of the invention

Below in conjunction with the accompanying drawings this utility model is described in further detail.

Fig. 1 show schematically show the course of processing of electrothermal tube 11 in this utility model.As it can be seen, make electrothermal tube 11 liang End draw rod 111 expose after, then put end-blocking porcelain ring 112, recycling reducing device electrothermal tube is carried out reducing, then to reducing The electrothermal tube completed is curved processing, after brake forming, then is bent downwardly by the rod 111 that draws at electrothermal tube 11 two ends.

The reducing that Fig. 2 to Figure 15 show schematically show according to a kind of embodiment of the present utility model packs tightly bending machine. This reducing packs tightly bending machine, can complete reducing and abnormity bending, the thus automatization of electrothermal tube in same equipment simultaneously Degree is high, can save artificial, improve production efficiency, reduce production cost.

As it is shown on figure 3, this device includes board 1 and electric control box 2.Doffer 3, reducing it is sequentially provided with on board 1 Device the 4, first swan neck system the 5, second swan neck system 6, centralising device 7, pipe-conveying device 8 and adjusting means 9.

The doffer 3 electrothermal tube 11 after putting electrothermal tube 11 and loading porcelain bead is transferred to next station and consolidates Fixed.

As shown in Figures 4 to 6, doffer 3 includes blanking rack 31, gear pipe cylinder 33 and pressure pipe cylinder 34.Blanking rack 31 Lower section is provided with the porcelain bead dish 32 for holding porcelain bead 12.Blanking rack 31 slopes inwardly.Electrothermal tube 11 is put by blanking rack 31 one end On blanking rack 31, use staff or machinery that the porcelain bead 12 in porcelain bead dish 32 is seated in electrothermal tube 11 head end.Electrothermal tube 11 The blanking rack 31 having loaded tailing edge inclination moves to the other end.Blanking rack 31 other end is provided with processing seat 35.Processing seat 35 1 Secondary can lay an electrothermal tube 11, gear pipe cylinder 33 is fixed on processing seat 35 side.In the gear each course of processing of pipe cylinder 33 Second electrothermal tube 11 is blocked, so that the most only first electrothermal tube 11 enters processing seat 35.Pressure pipe cylinder 34 can be by First electrothermal tube 11 is fixed on processing seat 35.After electrothermal tube 11 is placed on blanking rack 31, use staff or machine Porcelain bead in tool filling porcelain bead dish 32.Gear pipe cylinder 33 each course of processing action once, the most only allows an electrothermal tube 11 Pass through.

Two reducing device 4 heads are relative, and are positioned at the downstream process of doffer 3.The station of reducing device 4 is positioned at and adds At work seat 35.Reducing device 4 uses the two ends head of the necking die rotated electrothermal tube 11 after filling porcelain bead 12 to contract Mouth processing, thus electrothermal tube 11 is carried out reducing and closes fixing

As shown in Figure 7 to 9, reducing device 4 includes motor 41, advance and retreat cylinder 44, base 43 and motor fixing plate 42.The end Seat 43 is fixed on board 1.Motor 41 is fixed on motor fixing plate 42.Motor fixing plate 42 is by sliding track mechanism 10 and base 43 are connected.The telescopic shaft of advance and retreat cylinder 44 is connected with motor fixing plate 42, is used for driving motor fixing plate 42 along sliding track mechanism 10 move back and forth on board 1.On the motor shaft of motor 41, necking die is installed.Necking die is rotated by motor 41, And by driving along sliding track mechanism 10 near electrothermal tube 11 head end, thus the head end of electrothermal tube 11 is carried out reducing processing..

In the present embodiment, necking die includes the fixing seat 45 of reducing wheel and three reducing wheels 47.The fixing seat 45 of reducing wheel Fixedly mount with the motor shaft of motor 41.It is fixed with reducing wheel shaft 46 on the fixing seat 45 of reducing wheel.Reducing wheel shaft 46 is taken turns with reducing 47 one_to_one corresponding.Reducing wheel 47 is connected by bearing 48 with reducing wheel shaft 46.Each reducing wheel 47 is with the fixing seat of reducing wheel Also rotation is carried out with respective reducing wheel shaft 46 for axle while 45 revolution.Reducing wheel 47 can be able to be kept away with rotation when reducing Exempting from reducing wheel 47 and the excessive frictions of generation of electrothermal tube 11 outer wall, to cause choke megadyne temperature to be spent high and easy to wear, thus reducing adds The better quality of work.

In other examples, necking die can also be made up of four or five reducing wheels 47, and necking die is also It can be the necking die of sleeve.

As shown in Figure 10, reducing is taken turns and is made up of front-wheel part 472 and trailing wheel part 471 in 47 structures.Front-wheel part 472 Diameter is less than trailing wheel part 471, and the circumferential wall of front-wheel part 472 and trailing wheel part 471 junction is provided with arc transiting surface R.

Abnormity swan neck system is positioned at the downstream process of reducing device 4, including the first swan neck system 5 and the second swan neck system 6. Second swan neck system 6 has curved mould 64.Abnormity swan neck system uses curved mould 64 will to close fixing electrothermal tube in reducing device 4 11 are pressed into predetermined shape.First swan neck system 5 is arranged on the two ends of electrothermal tube 11, and the second swan neck system 6 is arranged at electric heating The side of pipe 11.Abnormity swan neck system is processed to the electrothermal tube of more different size requirement, and versatility is more preferable.

As shown in figure 11, the first swan neck system 5 includes left and right bend pipe cylinder 51 and is fixed on stretching of left and right bend pipe cylinder 51 Bend pipe wheel 52 on contracting axle.

As shown in Figure 12 and Figure 13, the second swan neck system 6 includes bend pipe cylinder 61, bend pipe support 62, sliding panel 63 and pressure Mold mechanism 65.Sliding panel 63 is slidably connected with bend pipe support 62.The telescopic shaft of bend pipe cylinder 61 is connected with sliding panel 63, is used for driving Dynamic sliding panel 63 slides along bend pipe support 62.Curved mould 64 it is fixed with on sliding panel 63.Press moulding mechanism 65 be positioned at curved mould 64 side and Fix with sliding panel 63.Press moulding mechanism 65 includes pressing mold cylinder 651 and pressing die head 652.Pressing mold cylinder 651 driving pressure die head 652 During the piezoelectricity heat pipe 11 of top, electrothermal tube 11 is fixed with curved mould 64.After electrothermal tube 11 enters station, pressing die head 652 is fixed in curved On mould 64, curved mould 64 extrudes in the middle part of electrothermal tube 11 under the driving of bend pipe cylinder 61, and bend pipe wheel 52 is at left and right bend pipe cylinder 51 The lower head extruding electrothermal tube 11 of effect.

First swan neck system 5 and the second swan neck system 6 synergism, thus by electrothermal tube 11 bent into shape.

Second swan neck system 6 also includes ejecting cylinder 67, eject cylinder 67 for by the electrothermal tube 11 of molding from curved mould 64 On eject.Thus can realize automatic material returning, production efficiency is higher.

Board 1 below curved mould 64 is additionally provided with splicing storehouse 12.Side, splicing storehouse 12 is provided with baffle plate 13, and baffle plate 13 is for ejecting Cylinder 67.Eject after the electrothermal tube 11 of molding ejects from curved mould 64 by cylinder 67, after electrothermal tube 11 is blocked by baffle plate 13, fall into In splicing storehouse 12.

Second swan neck system 6 also includes drawing rod bending apparatus 66.Draw the rod bending apparatus 66 electric heating after brake forming Pipe 11 two ends draw rod 111.Draw excellent bending apparatus 66 and include that drawing rod bending cylinder 661 draws excellent bending on cylinder 661 with being arranged on Draw rod pressure head 662.Draw rod pressure head 662 corresponding with the position drawing rod 111.Draw rod pressure head 662 to be turned under drawing rod 111 Bent certain angle.After bending to draw excellent 111 wiring easy, will not be short-circuited, all the more so for annular electric heating tube.

As shown in figure 14, centralising device 7 is arranged near the second bending mould device 6.Centralising device 7 includes centering cylinder 71 He Two aligning arms 73 being connected with centering cylinder 71.Article two, aligning arm 73 lays respectively at electrothermal tube 11 two ends.Centering 11 is with centering Arm 73 moves, until conflicting with another root aligning arm 73, now centering cylinder 71 single direction stroke is covered, and starts to transport to opposite direction Dynamic, electrothermal tube 11 disengages with two aligning arms 73, and position is fixed.Owing to the speed of aligning arm 73 is identical, so electrothermal tube The center line of the distance between the center line along two aligning arm 73 directions of motion and two aligning arms 73 of 11 overlaps.Thus, every Electrothermal tube 11 can determine at same position, it is simple to processing.

Two aligning arms 73 further respectively have the centering block 72 that can contact with electrothermal tube 11 phase.Centering block 72 and aligning arm 73 Being connected by screw thread, the initial separation of two aligning arms 73 can regulate.Thus, centralising device 7 goes for different long Degree and the electrothermal tube of specification.

As shown in figure 15, the station of pipe-conveying device 8 is between reducing device 4 and the first swan neck system 5.Pipe-conveying device 8 Electrothermal tube 11 for reducing being completed is clamped and is transported to the first swan neck system 5 and the second bend pipe by the station of reducing device 4 The station of device 6.Pipe-conveying device 8 includes machinery tong 81 and the most vertically moves for ordering about machinery tong 81 and front and back move Dynamic upper and lower air cylinders 82 and send pipe cylinder 83.

As shown in Figures 3 to 6, in adjusting means 9 is arranged on doffer 3.Adjusting means 9 includes that two pieces of positions are corresponding Adjustable plate 91.Adjustable plate 91 is slidably connected with board 1.Two reducing devices 4 are individually fixed on two pieces of adjustable plates 91.Regulation Plate 91 is respectively provided with the regulation screw mandrel 92 regulating its position.During turn regulation screw mandrel 92, adjustable plate 91 loads with reducing device 4 Slide along board 1.Thus, this reducing packs tightly bending machine and goes for the electrothermal tube of different length and specification.

Above-described is only embodiments more of the present utility model.For the person of ordinary skill of the art, On the premise of creating design without departing from this utility model, it is also possible to making some deformation and improvement, these broadly fall into this practicality Novel protection domain.

Claims

1. reducing packs tightly bending machine, including board and electric control box, it is characterised in that be sequentially provided with on described board:

Reducing device, two described reducing device heads are relative, and are positioned at the downstream process of described doffer, and described reducing fills The two ends head putting the pipe fitting using the necking die rotated after described filling porcelain bead carries out reducing processing, thus by described pipe Part carries out reducing and closes fixing；

Abnormity swan neck system, is positioned at the downstream process of described reducing device, and described abnormity swan neck system has curved mould, described abnormity Swan neck system uses described curved mould to be pressed into predetermined shape by closing fixing described pipe fitting in described reducing device.

Reducing the most according to claim 1 packs tightly bending machine, it is characterised in that described doffer includes blanking rack, gear Pipe cylinder and pressure pipe cylinder, be provided with the porcelain bead dish for holding porcelain bead below described blanking rack, described pipe fitting is by described blanking rack One end is placed on described blanking rack, uses staff or machinery that the porcelain bead in described porcelain bead dish is seated in described pipe fitting head End, described pipe fitting has loaded the backward described blanking rack other end and has moved, and the described blanking rack other end is provided with processing seat, described in add Work seat once can lay a described pipe fitting, and described gear pipe cylinder is fixed on described processing seat side, and described gear pipe cylinder is each All second pipe fitting is blocked in the course of processing, so that the most only first described pipe fitting enters described processing seat, described First described pipe fitting can be fixed on described processing seat by pressure pipe cylinder.

Reducing the most according to claim 1 packs tightly bending machine, it is characterised in that described reducing device includes motor, advance and retreat Cylinder and motor fixing plate, described motor is fixed on described motor fixing plate, described motor fixing plate by sliding track mechanism with Described board is connected, and described advance and retreat cylinder is connected with described motor fixing plate, is used for driving described motor fixing plate along described Sliding track mechanism moves back and forth on described board, and the motor shaft of described motor is provided with necking die, described necking die by Described driven by motor rotates, and by described driving along described sliding track mechanism near described pipe fitting head end, thus by described pipe fitting Head end carry out reducing processing.

Reducing the most according to claim 3 packs tightly bending machine, it is characterised in that described necking die includes that reducing wheel is fixing Seat and at least three reducing are taken turns, and described reducing wheel fixes the motor shaft fixed installation of seat and described motor, and described reducing wheel is fixing Being fixed with reducing wheel shaft on Zuo, one_to_one corresponding, described reducing wheel and described reducing wheel shaft are taken turns in described reducing wheel shaft and described reducing Being connected by bearing, each described reducing wheel is being fixed while seat revolves round the sun also with respective reducing wheel shaft with described reducing wheel Rotation is carried out for axle.

Reducing the most according to claim 1 packs tightly bending machine, it is characterised in that described abnormity swan neck system includes that first is curved Pipe device and the second swan neck system, described first swan neck system is arranged on one end or the two ends of described pipe fitting, described second curved Pipe device is arranged at the side of described pipe fitting, and described first swan neck system includes left and right bend pipe cylinder and to be fixed on described left and right curved Bend pipe wheel on pipe cylinder, described second swan neck system includes bend pipe cylinder, bend pipe support, sliding panel and press moulding mechanism, described Sliding panel is connected with described bend pipe bracket slide, and described bend pipe cylinder is connected with described sliding panel, is used for driving described sliding panel Along described bend pipe bracket slide, described sliding panel is fixed with curved mould, described press moulding mechanism be positioned at described curved mould side and with institute Stating sliding panel to fix, described press moulding mechanism includes pressing mold cylinder and pressing die head, pressing mold crown pressure described in described pressing mold air cylinder driven During described pipe fitting, described pipe fitting is fixed with described curved mould, and after described pipe fitting enters station, described pressing die head is fixed in described On curved mould, described curved mould extrudes in the middle part of described pipe fitting under the driving of described bend pipe cylinder, and described bend pipe wheel is curved in described left and right The lower head end extruding described pipe fitting of the effect of pipe cylinder, described first swan neck system and the second swan neck system synergism, thus By described pipe fitting bent into shape.

Reducing the most according to claim 5 packs tightly bending machine, it is characterised in that described second swan neck system also includes drawing rod Bending apparatus, described in draw rod bending apparatus pipe fitting two ends after brake forming draw rod, described in draw rod bending apparatus include Draw rod bending cylinder and draw described in being arranged on and draw rod pressure head on rod bending cylinder, described in draw rod pressure head and the described position drawing rod Corresponding.

Reducing the most according to claim 1 packs tightly bending machine, it is characterised in that also include centralising device, and described centering fills Putting and be arranged near described second bending mould device, described centralising device includes centering cylinder and be connected two with described centering cylinder Bar aligning arm, two described aligning arms lay respectively at described pipe fitting two ends, and during the motion of described centering Telescopic-cylinder, two described right Middle arm close to each other with identical speed or away from, during centralising device works, a described aligning arm therein First and described pipe fitting is inconsistent, described pipe fitting moves with described aligning arm, until conflicting with aligning arm described in another root, and now institute Stating centering cylinder single direction stroke to cover, start to move to opposite direction, described pipe fitting and two described aligning arms disengage, position Fixing, owing to the speed of described aligning arm is identical, so the center line along described two aligning arm directions of motion of described pipe fitting with The center line of the distance between described two aligning arms overlaps.

Reducing the most according to claim 7 packs tightly bending machine, it is characterised in that described two aligning arms further respectively have energy The centering block contacted mutually with described pipe fitting, described centering block is connected by screw thread with described aligning arm, two described aligning arms Initial separation can regulate.

Reducing the most according to claim 1 packs tightly bending machine, it is characterised in that also include pipe-conveying device, described in send pipe to fill The station put is between described reducing device and described abnormity swan neck system, and described pipe-conveying device is for pipe reducing completed Part is clamped and is transported to the station of described abnormity swan neck system by the station of described reducing device, and described pipe-conveying device includes machinery Tong and for ordering about the described machinery tong upper and lower air cylinders that the most vertically moves and move forward and backward and sending pipe cylinder.

Reducing the most according to claim 1 packs tightly bending machine, it is characterised in that also include adjusting means, and described regulation fills Putting and be arranged in described doffer, described adjusting means includes the adjustable plate that two pieces of positions are corresponding, described adjustable plate and institute Stating board to be slidably connected, described reducing device is fixed on described adjustable plate, and described adjustable plate is respectively provided with its position of regulation The regulation screw mandrel put, when regulating screw mandrel described in turn, described adjustable plate is loaded with described reducing device and is slided along described board.