CN202291093U

CN202291093U - Computer-control full-hydraulic steel tube drawing and expanding integrated machine

Info

Publication number: CN202291093U
Application number: CN2011204325451U
Authority: CN
Inventors: 潘晓曙; 张宪强
Original assignee: SONGYANG HONGYUAN MACHINERY CO Ltd
Current assignee: SONGYANG HONGYUAN MACHINERY CO Ltd
Priority date: 2011-11-04
Filing date: 2011-11-04
Publication date: 2012-07-04
Anticipated expiration: 2021-11-04

Abstract

The utility model relates to a computer-control full-hydraulic steel tube drawing and expanding integrated machine which comprises a steel tube clamping bracket, a core rod, a core rod bracket, a main oil cylinder, a pair of pincers, a hydraulic workstation and a controller, wherein one end of the steel tube clamping bracket is connected with a pincer sliding bracket; the pair of pincers can be driven by the main oil cylinder to slide back and forth axially along the pincer sliding bracket; the other end of the steel tube clamping bracket is provided with a core rod sliding bracket; and the core rod is slidably arranged on the core rod sliding bracket, and the other end of the core rod penetrates through a vertical template to reach the interior of the steel tube clamping bracket. The whole machine adopts hydraulic pressure as power, and uses a PLC (Programmable Logic Controller) for controlling, so that the working tensile and speed of the device are subjected to infinite adjustment through a computer, the intelligent degree is high, the most reasonable tensile and speed can be matched with each link conveniently, high efficiency and energy conservation can be realized, and the labor intensity of workers can be reduced.

Description

Computer is controlled all-hydraulic steel pipe expansion and is drawn all-in-one

Technical field

The utility model relates to a kind of steel pipe processing equipment, specifically is that a kind of computer is controlled all-hydraulic steel pipe and expanded and draw all-in-one.

Background technology

At present, stainless-steel pipe processing producer equipment is simpler and cruder, and the steel pipe expansion draws processing equipment relatively simple for structure, mainly is made up of powerful motor, decelerator, chain and clamping device.Powerful motor is through decelerator deceleration rear drive chain, and clamping device spurs steel pipe or mould is accomplished expander and subtracted wall thereby drive.But the expansion of the steel pipe of this structure draws the common decelerator of processing equipment bulky, and chain is very heavy, and price is very high, and intelligent degree is low, and gear teeth fracture often appears in no overload protection, and maintenance cost is very high.Secondly, in the steel pipe process, each link all is to rely on manual work to operate clamping, has very big potential safety hazard, and the bad quality that influences product quality of clamping, such as the unequal problem of thickness of steel pipe.The 3rd, traditional mechanical formula steel pipe process equipment relies on reductor to shift gears and adjusts pulling force and trombone slide speed, owing to the reductor gear is limited, is drawing, accurate pulling force and speed can not be provided in the expander process, and energy consumption is bigger.

Summary of the invention

The purpose of the utility model is that a kind of intelligent degree is higher, rational in infrastructure, the steel pipe of reliable operation expands machine drawing for the deficiency that overcomes prior art provides.

In order to achieve the above object; The utility model discloses a kind of computer controls all-hydraulic steel pipe and expands and draw all-in-one; Comprise steel pipe clamp bracket, plug and plug support, master cylinder, clamp, hydraulic workstation and controller; Said steel pipe clamp bracket comprises that the vertical formwork at two ends and two ends are connected holding frame entablature, holding frame sill on the vertical formwork; Also be provided with the hydraulic steel pipe clamping device on said holding frame entablature, the holding frame sill, an end of said steel pipe clamp bracket is connected with the clamp slippage bracket, and be connected with the clamp slippage bracket vertical formwork of a side of said steel pipe clamp bracket is provided with the window that supplies steel pipe to pass through; Be provided with clamp in the said clamp slippage bracket; Said clamp is driven and can axially be slidably reciprocated along the clamp slippage bracket by master cylinder, and the other end of said steel pipe clamp bracket is provided with the plug slippage bracket, and said plug is slidably disposed on the plug slippage bracket; The plug other end passes in vertical formwork to the steel pipe clamp bracket; Also be provided with the power set and the transmission mechanism that drive plug on the said plug slippage bracket, the dead in line of said master cylinder, plug, clamp slippage bracket and steel pipe clamp bracket, said hydraulic workstation is that computer is controlled all-hydraulic steel pipe and expanded and draw the Hydraulic Elements in the all-in-one that operating pressure is provided as power; The pressure and the speed of said controller control Hydraulic Elements, said controller adopts PLC control.

This computer is controlled all-hydraulic steel pipe and is expanded when drawing all-in-one work, steel pipe to be processed is placed the hydraulic steel pipe clamping device and the clamping of steel pipe clamp bracket.Compared with prior art, this computer control all-hydraulic steel pipe expand draw all-in-one with hydraulic pressure as power, adopt PLC control; Hydraulic system adopts high response pressure flow proportional PQ valve; Make the working pulling force and the speed of equipment have computer to realize step-less adjustment, intelligent degree is higher, and each link can be mated the most reasonably pulling force and speed easily; Realize energy-efficiently, alleviate working strength of workers.

To combine accompanying drawing and specific embodiment that the utility model is done further explain below.

Description of drawings

Fig. 1 is the utility model specific embodiment structural representation;

Fig. 2 is the utility model specific embodiment structure opposite side sketch map;

Fig. 3 is the utility model clamp specific embodiment structural representation;

Fig. 4 is the utility model grip finger specific embodiment structural representation;

Fig. 5 subtracts wall voltage regulator tube mechanism specific embodiment structural representation for the utility model;

Fig. 6 is the utility model steel pipe clamp bracket part specific embodiment structural representation;

Fig. 7-9 is that Fig. 6 B-B is to voltage regulator tube mechanism voltage regulator tube process cross-sectional schematic;

Figure 10 is the utility model clamp slippage bracket part specific embodiment structural representation;

Figure 11 is that Figure 10 A-A is to the structure cutaway view.

The specific embodiment

Like Fig. 1, shown in 2, computer is controlled all-hydraulic steel pipe expansion and is drawn all-in-one to comprise steel pipe clamp bracket 1, plug 2 and plug slippage bracket 3, master cylinder 4, clamp 5, hydraulic workstation 6 and controller 7.Said steel pipe clamp bracket 1 comprises that the vertical formwork 101 at two ends and two ends are connected holding frame entablature 102, holding frame sill 103 on the vertical formwork 101; Vertical formwork 101 will have enough thickness to reach enough mechanical strengths, and is in the present embodiment, as shown in Figure 2; Said holding frame entablature 102 is made up of a quadrangular shape section bar; Holding frame sill 103 is made up of two I-steel that laterally arrange, and is provided with between two I-steel somely to be parallel to each other and to become vertically disposed reinforcement 104 with I-steel, and holding frame entablature 102 and holding frame sill 103 two ends are separately fixed on the vertical formwork 101 at two ends and form tower structure; The middle steel pipe that will have enough spaces and length to hold the processing front and back; Two open side types make things convenient for steel pipe from the machine side access, so both can have enough mechanical strengths; Again can weight reduction, reduce material consumption.As Fig. 1,2 and Fig. 7-9 shown in; The hydraulic steel pipe clamping device is arranged on holding frame entablature 102, the holding frame sill 103; Said steel pipe clamping device comprises clamping plate 108, following clamping plate 105, clamping cylinder 106 and following clamping cylinder 107 on several; The piston rod direction of last clamping cylinder 106 and following clamping cylinder 107 is relative; Said clamping plate 108 and the following clamping plate 105 gone up is to be provided with and the match strip member of groove of steel pipe; The cross sectional shape of groove can be V-arrangement or arc; To be fit to the steel pipe of different-diameter, the said clamping cylinder 106 of going up is separately fixed on holding frame entablature 102 and the holding frame sill 103 with the axial distribution of following clamping cylinder 107 along steel pipe clamp bracket 1, and last clamping cylinder 106 and following clamping cylinder 107 are generally evenly to be distributed as suitable along steel pipe clamp bracket 1 central axis; Said upward clamping plate 108 and following clamping plate 105 also are separately fixed on the piston rod end of clamping cylinder 106 and following clamping cylinder 107; The groove of last clamping plate 108 and following clamping plate 105 is oppositely arranged, and adopts the last clamping plate 108 of bar shaped can make the clamping force of steel pipe more even with following clamping plate 105 as clamping part, compares the more difficult generation local deformation of clamping mode of point-like.In order to adapt to the processing of multiple length of tubing, energy savings, the said clamping plate 108 of going up can be divided into two, carries out clamping and gets final product when the pipe of processing more in short-term can be only cooperates with following clamping plate 105 with wherein one like this.One end of said steel pipe clamp bracket 1 also is connected with clamp slippage bracket 8; Said clamp slippage bracket 8 is provided with vertical formwork 101 and slippage frame entablature 801, slippage frame sill 802 equally; One end of slippage frame entablature 801, slippage frame sill 802 is fixed on vertical formwork 101; Clamp slippage bracket 8 other ends can with said steel pipe clamp bracket 1 a shared vertical formwork 101; Said slippage frame sill 802 is made up of two I-steel that laterally arrange equally; Be provided with some reinforcements that laterally arrange 803 between two I-steel, said slippage frame entablature 801 is made up of two steel pipes that laterally arrange, and slippage frame entablature 801 is fixed on the vertical formwork 101 with slippage frame sill 802 two ends; Be connected with clamp slippage bracket 8 vertical formwork 101 of a side of said steel pipe clamp bracket 1 is that clamp slippage bracket 8 is provided with the window that supplies steel pipe to pass through with steel pipe clamp bracket 1 shared vertical formwork 101; Window is generally circle, is provided with clamp 5 in the said clamp slippage bracket 8, and said clamp 5 is driven and can axially be slidably reciprocated along clamp slippage bracket 8 by master cylinder 4.Clamp 5 comprises left grip finger 501, right grip finger 502, left drive rod 503 and right drive rod 504 and clamp oil cylinder 505.Like Fig. 3, shown in 4; Left side grip finger 501 and right grip finger 502 shapes symmetry; Roughly be fan-shaped; A bigger end of said left grip finger 501 and right grip finger 502 is a bare terminal end; The less other end is a drive end, and said left grip finger 501 and right grip finger 502 drive end side are equipped with the line of rabbet joint 507 perpendicular with clamp bearing pin 506, make said left grip finger 501 and right grip finger 502 drive end side form by the part of two opposing parallel; Said left grip finger 501 drive ends pass the other side's line of rabbet joint 507 with one-sided mutual intersection of right grip finger 502 drive ends, and the middle part of said left grip finger 501 and right grip finger 502 is through the scissor structure of clamp bearing pin 506 hinged formations.The line of rabbet joint 507 is set and intersects the structural design of passing the other side's line of rabbet joint 507 each other, can be so that clamp 5 stressed balanced and reasonable more, and clamp 5 integral thickness sizes are less.Said left drive rod 503 is a flat-shaped with right drive rod 504; One end of left side drive rod 503 and right drive rod 504 is hinged with the drive end of said left grip finger 501 and right grip finger 502 respectively; The other end of said left drive rod 503 and right drive rod 504 is hinged through drive rod bearing pin 508; Above-mentioned drive rod bearing pin 508 and drive rod all should be parallel with clamp bearing pin 506 with the jointed shaft of drive end, and the cylinder body of said clamp oil cylinder 505 and oil cylinder piston bar are connected to the opening and closing that are used to drive clamp 5 on clamp bearing pin 506 and the drive rod bearing pin 508.Said main piston rod joint is provided with the connecting portion 509 that a cross section becomes the U type, and the U type connecting portion 509 of the main piston rod joint of master cylinder 4 is provided with pin-and-hole and matches with the hinged end of said left drive rod 503 and right drive rod 504, is fixedly connected with its formation.Like Fig. 1, shown in 2; In order to reduce resistance, and make that the force direction of trombone slide is more accurate, two I-steel of said composition slippage frame sill 802 are provided with horizontal rail 804; Track 804 is along the trombone slide direction; Slideway 804 is provided with Plan sliding transporting vehicle 9, and the roller of Plan sliding transporting vehicle 9 rolls along horizontal rail 804, and said clamp 5 fixedly places on the Plan sliding transporting vehicle 9.The other end in said steel pipe clamp bracket 1 is provided with plug slippage bracket 3; Plug slippage bracket 3 comprises slide rail of being made up of two U type channel-section steels that laterally arrange 301 and the some legs 302 that are used to support slide rail 301; Said plug slippage bracket 3 is provided with plug coaster 303; The perforation slide opening that plug coaster 303 is provided with pulley and slides and match with the bar portion of plug 2; Said pulley is in the groove of U type channel-section steel, and the bar portion tail end of plug 2 fixedly is located in the slide opening, and plug 2 other ends are that head passes in vertical formwork 101 to the steel pipe clamp bracket 1; Said plug slippage bracket 3 one sides also are provided with motor, and said plug slippage bracket 3 belows are provided with driving chain 304 and motor 304 and plug coaster 303 and are connected and drive plug 2 and be slidably disposed on the plug slippage bracket 3.The dead in line of said master cylinder 4, plug 2, clamp 5 and steel pipe clamp bracket 1; Said hydraulic workstation 6 is that computer controls that all-hydraulic steel pipe expands the Hydraulic Elements such as the master cylinder 4 that draw in the all-in-one, goes up clamping cylinder 106, clamping cylinder 107 and clamp oil cylinder 505 etc. provide operating pressure down as power; The pressure and the speed of said controller 7 control Hydraulic Elements; Said controller 7 adopts PLC control, and hydraulic system adopts high response pressure flow proportional PQ valve, makes the working pulling force of equipment and speed have computer to realize step-less adjustment; Make each the most rational pulling force of link coupling and speed of equipment work, realize energy-efficient.Hydraulic workstation 6 is arranged on an end of complete machine.

In order to reduce labor intensity; The convenient steel pipe that unloads completion of processing from machine; This computer control all-hydraulic steel pipe expand draw that all-in-one is provided with also on said clamp slippage bracket 8 that the steel pipe that completion is subtracted the wall operation shifts out steel pipe clamp bracket 1 subtract wall voltage regulator tube mechanism 10, on steel pipe clamp bracket 1, also be provided with the expander voltage regulator tube mechanism 11 that the steel pipe of accomplishing the expander operation is shifted out steel pipe clamp bracket 1.Like Fig. 2, shown in 5; The said wall voltage regulator tube mechanism 10 that subtracts comprises that several (generally are no less than 2; Steel pipe clamp bracket 1 end to end each one) through being pivotally mounted in the voltage regulator tube plate 1001 on the clamp slippage bracket 8 holding frame sills 103; Voltage regulator tube plate 1001 is arranged between the reinforcement, is preferably even distribution, said pivot 1002 average level settings; Be parallel to each other and with processing steel pipe axis perpendicular; Two ends are journaled on the I-steel of both sides, and said voltage regulator tube plate 1001 tilts with pivot 1002 relative another sides and said pivot 1002 is a low-angle angle, and the plate of voltage regulator tube described in this specific embodiment 1001 is trapezoidal; All be fixedly connected with activation lever 1003 on the described pivot 1002; All activation lever 1003 preferably are connected the same side of pivot 1002, are provided with voltage regulator tube connecting rod 1004 between the said activation lever 1003 and are connected and make all pivots 1002 and voltage regulator tube plate 1001 constitute interlock, and the said wall voltage regulator tube mechanism 10 that subtracts also is provided with and subtracts wall voltage regulator tube oil cylinder 1005 and connect and compose driving with said voltage regulator tube connecting rod 1004.When all said voltage regulator tube plates 1001 were vertically established, said voltage regulator tube plate 1001 should be in same plane with pivot 1002 relative another sides, and becomes a low-angle angle with horizontal plane, and the direction of inclination is towards the opposite side of operator present position.

Shown in Fig. 6-9; Said expander voltage regulator tube mechanism 11 comprises that the bar shaped supporting plate 1102 in the groove that is arranged on down clamping plate 105 is fixedly installed on down the expander voltage regulator tube oil cylinder 1101 of clamping plate 105 belows with several; Bar shaped supporting plate 1102 should be not when bottom portion of groove with following clamping plate 105 on steel pipe contact, said clamping plate 105 down is provided with through hole with expander voltage regulator tube oil cylinder 1101 corresponding positions, the piston rod of said expander voltage regulator tube oil cylinder 1101 passes through hole, and also to pass through bindiny mechanism and bar shaped supporting plate 1102 hinged; Jointed shaft 1103 parallels with bar shaped supporting plate 1102 central axis and is under it; The piston rod top of said expander voltage regulator tube oil cylinder 1101 is provided with block 1104, and said block 1104 is resisted against the bottom of said bar shaped supporting plate 1102 central axis the same sides, also can be with block 1104 tops to lopsidedness; Like this; When expander voltage regulator tube oil cylinder 1101 during with bar shaped supporting plate 1102 jack-up, bar shaped supporting plate 1102 will incline to a rollover, and the steel pipe on it will one sidewinder the completion voltage regulator tube to what tilt.

The expander voltage regulator tube oil cylinder 1101 that subtracts in wall voltage regulator tube oil cylinder 1005 and the expander voltage regulator tube mechanism 11 that subtracts in the wall voltage regulator tube mechanism 10 provides power and control by hydraulic workstation 6 and controller 7.

Computer is controlled all-hydraulic steel pipe expansion and is drawn the all-in-one course of work following: when expander; Steel pipe to be expanded is pushed down clamp bracket from the platform of a side (this platform a little more than clamp bracket) down; Through clamp bracket height under the support cylinder adjustment, make the die hole essentially concentric in steel pipe center line and the template; Clamp bracket in the driving makes clamp bracket push down steel pipe; Pass through a plug 2 at steel pipe away from die end, plug 2 one ends are clamped by clamp 5 and are passed steel pipe, pass mould simultaneously and fix mould with nut; Start master cylinder 4 and drive clamp 5, make slowly distending steel pipe completion expander of round mould, accomplish rear drive voltage regulator tube device and pour steel pipe into the opposite side platform.When subtracting wall; The center is put and adjusted to the steel pipe that will have plumb joint well by the expander step; Startup plug 2 moves sends subtracting the wall inner mold into steel pipe, and until outer wall of steel pipe is held out against external mold, the plumb joint of clamping steel pipe with clamp 5 makes the whole piece steel pipe slowly pass outer mold.Completion subtracts wall, drives voltage regulator tube mechanism again and pours steel pipe into the opposite side platform.

Claims

1. computer is controlled all-hydraulic steel pipe expansion and is drawn all-in-one; It is characterized in that: comprise steel pipe clamp bracket, plug and plug support, master cylinder, clamp, hydraulic workstation and controller; Said steel pipe clamp bracket comprises that the vertical formwork at two ends and two ends are connected holding frame entablature, holding frame sill on the vertical formwork; Also be provided with the hydraulic steel pipe clamping device on said holding frame entablature, the holding frame sill; One end of said steel pipe clamp bracket is connected with the clamp slippage bracket; Be connected with the clamp slippage bracket vertical formwork of a side of said steel pipe clamp bracket is provided with the window that supplies steel pipe to pass through, and is provided with clamp in the said clamp slippage bracket, and said clamp is driven and can axially be slidably reciprocated along the clamp slippage bracket by master cylinder; The other end of said steel pipe clamp bracket is provided with the plug slippage bracket; Said plug is slidably disposed on the plug slippage bracket, and the plug other end passes in vertical formwork to the steel pipe clamp bracket, also is provided with the power set and the transmission mechanism that drive plug on the said plug slippage bracket; The dead in line of said master cylinder, plug, clamp slippage bracket and steel pipe clamp bracket; Said hydraulic workstation is that computer is controlled all-hydraulic steel pipe and expanded and draw the Hydraulic Elements in the all-in-one that operating pressure is provided as power, the pressure and the speed of said controller control Hydraulic Elements, and said controller adopts PLC control.

2. computer according to claim 1 is controlled all-hydraulic steel pipe expansion and is drawn all-in-one; It is characterized in that: said steel pipe clamping device comprises clamping plate, following clamping plate, clamping cylinder and following clamping cylinder on several; The said clamping cylinder of going up is separately fixed on holding frame entablature and the holding frame sill with the axial distribution of following clamping cylinder along the steel pipe clamp bracket; The said clamping plate of going up is provided with the groove that matches with steel pipe with following clamping plate, and the said groove of going up clamping plate and following clamping plate is relative and be separately fixed on the piston rod end of clamping cylinder and following clamping cylinder.

3. computer according to claim 1 is controlled all-hydraulic steel pipe expansion and is drawn all-in-one, and it is characterized in that: said clamp slippage bracket upper edge trombone slide direction is provided with horizontal slideway, and slideway is provided with Plan sliding transporting vehicle, and said clamp places on the Plan sliding transporting vehicle.

4. computer according to claim 1 is controlled all-hydraulic steel pipe and expanded and draw all-in-one, it is characterized in that: what be provided with also on the said clamp slippage bracket that the steel pipe that completion is subtracted the wall operation shifts out the steel pipe clamp bracket subtracts wall voltage regulator tube mechanism.

5. computer according to claim 4 is controlled all-hydraulic steel pipe expansion and is drawn all-in-one; It is characterized in that: the said wall voltage regulator tube mechanism that subtracts comprises that several are through being pivotally mounted in the voltage regulator tube plate on the clamp slippage bracket holding frame sill; Said pivot is parallel mutually and perpendicular with the axis of steel pipe; The another side that said voltage regulator tube plate is relative with pivot tilts and said pivot is a low-angle angle; All be fixedly connected with activation lever on the described pivot, be provided with the voltage regulator tube connecting rod between the said activation lever and be connected and make all pivots constitute interlock, the said wall voltage regulator tube mechanism that subtracts also is provided with and subtracts wall voltage regulator tube oil cylinder and said voltage regulator tube connecting rod connects and composes driving.

6. computer according to claim 2 is controlled all-hydraulic steel pipe expansion and is drawn all-in-one, it is characterized in that: also be provided with the expander voltage regulator tube mechanism that the steel pipe of accomplishing the expander operation is shifted out the steel pipe clamp bracket on the said steel pipe clamp bracket.

7. computer according to claim 6 is controlled all-hydraulic steel pipe expansion and is drawn all-in-one; It is characterized in that: said expander voltage regulator tube mechanism comprises that the bar shaped supporting plate in the groove that is arranged on down clamping plate is fixedly installed on down the expander voltage regulator tube oil cylinder below the clamping plate with several; Said clamping plate down is provided with through hole with the corresponding position of expander voltage regulator tube oil cylinder; The piston rod of said expander voltage regulator tube oil cylinder passes through hole and hinged through bindiny mechanism and bar shaped supporting plate; Jointed shaft and bar shaped supporting plate central axis parallel and are under it; Also the close neighbour is to being provided with some blocks in the below of said bar shaped supporting plate, and said block is resisted against the bottom of said bar shaped supporting plate central axis the same side.

8. computer according to claim 1 is controlled all-hydraulic steel pipe expansion and is drawn all-in-one; It is characterized in that: said clamp comprises left grip finger, right grip finger, left drive rod and right drive rod and clamp oil cylinder; The middle part of said left grip finger and right grip finger is through the scissor structure of the hinged formation of clamp bearing pin; One end of said left grip finger and right grip finger is a bare terminal end; The other end is a drive end; The drive end of said left grip finger and right grip finger is hinged with an end of left drive rod and right drive rod respectively, and the other end of said left drive rod and right drive rod is fixedly connected with the main piston rod joint after being hinged through the drive rod bearing pin, and the cylinder body of said clamp oil cylinder and oil cylinder piston bar are connected on clamp bearing pin and the drive rod bearing pin.

9. computer according to claim 8 is controlled all-hydraulic steel pipe expansion and is drawn all-in-one; It is characterized in that: said left grip finger and right grip finger drive end side are equipped with and the perpendicular line of rabbet joint of clamp bearing pin; Make said left grip finger and right grip finger drive end side form by the part of two opposing parallel, said left grip finger drive end passes the other side's line of rabbet joint with one-sided mutual intersection of right grip finger drive end.