CN2486232Y

CN2486232Y - Multifunction hydraulic tube making machine

Info

Publication number: CN2486232Y
Application number: CN 01223255
Authority: CN
Inventors: 李德惠
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-05-11
Filing date: 2001-05-11
Publication date: 2002-04-17
Anticipated expiration: 2011-05-11

Abstract

The utility model pertains to a machine for machining metal pipes. This proposal is worked out to remove the problems of excessively large equipment, high cost and incomplete range of process operations for pipe machining in the prior art. The utility model consists of two stationary frames, two movable frames, three operating cylinders, a heating means and a roller die frame. The three operating cylinders are arranged in a triangle of which one side is perpendicular to the floor and the rollers of the moving parts are combined with a guide rail. A mandrel bar is provided on the stationary frame and the front movable frame, and a bar in the steel pipe on the movable frame. In conjunction with the various types of tools and dies, this machine allows rolling, drawing, extruding, reaming and other process operations, thereby improving the efficiency and reducing the cost.

Description

The multifunction hydraulic tuber

The utility model belongs to metal pipe material processing equipment class, and it is specifically related to a kind of structure of Multifunction hydraulic pressure tuber.

Along with the progress of science and the development of industrial technology, the user is more and more higher to the requirement of steel pipe, develop towards high strength and the light-duty direction of thin-walled as the gas cylinder shell, and existing hot rolled alloy steel pipe does not reach this specification requirement, can only carry out secondary operations to the tubing of hot-rolled pipe, do the processing that thermal expansion and cold-drawn subtract wall, make cost increase substantially; And for example mine hydraulic prop pipe, oil well submersible electric pump pipe, oil well pump pump barrel pipe etc. all need be used the special-purpose tubing of cold-drawn, they are higher to the linearity and the dimension precision requirement of pipe orifice, if the employing seamless steel pipe must be through cold-drawn and cold rolling processing, and the huge cost height of cold-rolling equipment structure, then operation is many, metal consumption is big and interior hole dimension is difficult to reach requirement as if processing with cold-drawn; For the difficult steel grade of those plasticity difference distortion, require to use warm process technology to improve plasticity and to reduce resistance of deformation as austenitic stainless steel, realize but on existing equipment, be difficult to repacking.Know still do not have in the prior art and have multiple working ability and good apparatus operating concurrently through investigation.Two steps of hydraulic pressure of finding 98221393.X in picking up rope advance tuber, and it is with two hydraulic jacks promotions, and with two slide bar correctings, this machine structurally has not easy-operating problem.

The purpose of this utility model is that the structure that tuber exists in the prior art is big, cost is high and special this programme---the multifunction hydraulic tuber that proposes of the problem of bad operation in order to overcome, and it has simple in structure, easy to operate advantage.

By as above design; the multifunction hydraulic tuber that this programme provided includes the movable support that the hydraulic power oil cylinder is promoting; the fixedly support at two ends; at movable support and the fixing power frequency heater between support; the actuator cylinder that it is characterized in that it is the oil cylinder of three hydraulic double-acting formulas; three oil cylinders become the equilateral triangle positional alignment; its oil cylinder is installed on the back fixedly support; plunger rod with three oil cylinders is connected with the movable support in back; the movable support in back is connected with preceding movable support with the extension rod of three plunger rods; between preceding fixedly support and preceding movable support, also be provided with the roller die support; reverse rollers is housed in the front of preceding fixedly support squeezes the plug clamp; fixedly the plug clamp all is equipped with in the back of support and the back of preceding movable support in the back, in the front of two movable supports the steel pipe toll bar is housed.

In this programme, fixedly there are two guide rails front and back between the support, and two movable supports, heater and roller die support all are placed on the guide rail by roller.It all is a plate that has elongated slot that its plug clamp and reverse rollers are squeezed the plug clamp, and they all are to move up and down along the dovetail guide that is provided with on the support with hydraulic control.Its steel pipe toll bar is to be connected with movable support with hinge, has torsion spring on axle, and it is two valve of splitting that can close automatically.Roller die on its roller die support is made up of front and back two frames, all is made up of orthogonal two groups of pair rollers for every, and the center line of roller die distributes and differs 45 ° between two.Its three oil cylinder triangularities are arranged, and its leg-of-mutton one side is perpendicular to the ground.

Adopt this programme can embody following superiority: 1. this multifunction hydraulic tuber is fixedly installed three hydraulic power oil cylinders on the support in the back, two oil cylinders and two guide posts of having replaced the horizontal positioned in the preceding patented technology, can make the operator easily near lathe, also can operate easily; 2. increased roller die support part behind this machine mmi machine seat, newly expanded the crowded processing technology of forward and reverse roller of utilizing plug, it not only can improve the dimensional accuracy of endoporus, thereby has also replaced sliding friction to reduce power consumption and cost of manufacture because of the mode that adopts roller to squeeze with rolling friction; 3. fixedly call in front and back the movable support up conversion of support, front and back various tool, mould or plug can realize integrating roll, pull out, squeeze, the multifunctional characteristics of kinds of processes such as expansion, improved utilization rate of equipment and installations and reduced processing charges; 4. these facility have simple in structure, easy for operation, can realize kinds of processes operation, can be significantly reduced to this and expense, be worth of widely use.

Fig. 1, Fig. 2, Fig. 3, Fig. 4 are the structural representations of this programme multifunction hydraulic tuber.

Fig. 5, Fig. 6 are the schematic diagrames of this machine cold-drawing technology.

Fig. 7 is the schematic diagram of the cold expansion technology of this machine.

Fig. 8 is the schematic diagram of this machine forward roller extruding process.

Fig. 9, Figure 10 are the K among Fig. 8 _1-k1 and K _2-k2 cutaway views illustrate the distribution situation and the structure of roller.

Figure 11 is the schematic diagram of this machine reverse rollers extruding process.

Figure 12 is that this machine roller squeezes pipe is taken off in the back from plug schematic diagram.

Figure 13 is the schematic diagram that this machine thermal expansion subtracts wall technology.

The embodiment of existing accompanying drawings this programme.This multifunction hydraulic tuber is improvement and the development on the prior art basis; it includes ground 1; the hydraulic jack 2 of three double-acting types; the back is support 3 fixedly; preceding fixedly support 10; preceding movable support 7; the movable support 5 in back; power frequency heater 8; roller die support 9; guide rail 17; roller 16 parts such as grade are formed; three oil cylinders are installed on the back fixedly support; the plunger rod 4 of three oil cylinders is connected with the movable support in back; the extension rod 6 of three plunger rods is connected with preceding movable support; guide rail 17 is arranged on front and back fixedly between the support; before and after fixedly support and guide rail all are contained on the ground 1 each movable support; the roller of heater and roller die support below can both roll along guide rail.In the back of back support and the back of preceding movable support plug clamp 14 is housed all; reverse rollers is housed in the front of preceding fixedly support squeezes plug clamp 13, in the front of two movable supports steel pipe toll bar 15 be housed all, roller die support 9 is placed in the preceding fixedly back of support.Their plug clamp and reverse rollers are squeezed the plate that the plug clamp all is middle belt length groove, move up and down along the dovetail guide on the support with hydraulic control.Their steel pipe toll bar is a valve that two fans are split, and is contained on the support with hinge, also has torsion spring on the axle, can close automatically.Have two roller die moulds on the roller die support of this machine, all be made up of orthogonal two groups of pair rollers for every, the center line of roll differs 45 ° between two.Three oil cylinder triangularities of this tuber are arranged, and its leg-of-mutton one side is perpendicular to the ground.Because these facility have aforesaid various device, realize the kinds of processes operation with the transducing of joining of multiple tool and mould:

1. cold-drawn: as Fig. 5 and Fig. 6, Fig. 5 is that the moving cold-drawn mould of pipe is motionless; Fig. 6 is that the cold-drawn mould is moving and pipe is motionless;

2. cold expansion:, pipe is blocked the motion of pulling expander plug as Fig. 7;

3. the forward roller squeezes: as Fig. 8, with positive roller squeeze plug 18 be installed on the back fixedly on the support steel pipe toll bar 15 promotion pipes 11 with movable support travel forward, heat pusher to roller die through heater, roll-in through twice pair roller under the support of plug makes the tube wall attenuate, and mechanical performance is obviously improved;

4. reverse rollers is squeezed: as Figure 11; the front of movable support before the roller die support leans against; processed pipe 11 is enclosed within reverse rollers to be squeezed on the plug 19; plug is fixedly fixed on the support in the back with toll bar 14; roll-in plug and workpiece are motionless during work; promote roller die with preceding movable support and travel forward, the mobile metal that rolled distortion produces turns round and moves, so claim reverse rollers to squeeze.Roller is decontroled roll-in plug and back fixedly being connected of support after squeezing EO, with the backward extrusion plug clamp 13 on the preceding fixedly support reverse rollers being squeezed plug 19 is connected with preceding fixedly support, pipe after will processing with the steel pipe toll bar 15 on the preceding movable support is taken off backward, as Figure 12.

5. warm hole enlargement subtracts wall: as Figure 13, hole enlargement plug 20 is fixing on the plug toll bar 15 of back fixedly support, promotes pipe forward with movable support, and hole enlargement subtracts wall under heated condition.

The preproduction of this machine the experiment proved that: the reasonable in design of this machine, can realize the kinds of processes operation, especially subtract wall etc. to reverse extruding and reaming and be difficult to the technological operation that realizes in the past, thereby improved usage ratio of equipment, reduced manufacturing cost and processing charges.

Claims

1. multifunction hydraulic tuber; it includes the movable support that the hydraulic power oil cylinder is promoting; the fixedly support at two ends; at movable support and the fixing power frequency heater between support; the actuator cylinder (2) that it is characterized in that it is the oil cylinder of three hydraulic double-acting formulas; three oil cylinders become the equilateral triangle positional alignment; its oil cylinder is installed on the back fixedly support (3); plunger rod (4) with three oil cylinders is connected with the movable support in back (5); the movable support in back is connected with preceding movable support (7) with the extension rod (6) of three plunger rods; between preceding fixedly support (10) and preceding movable support, also be provided with roller die support (9); reverse rollers is housed in the front of preceding fixedly support squeezes plug clamp (13); fixedly plug clamp (14) all is equipped with in the back of support and the back of preceding movable support in the back, and steel pipe toll bar (15) is housed in the front of two movable supports.

2. according to the described tuber of claim 1, it is characterized in that in front and back two guide rails (17) are fixedly arranged between the support, two movable supports, heater and roller die support all are placed on the guide rail by roller.

3. according to the described tuber of claim 1, it is characterized in that its plug clamp (14) and the crowded plug clamp (13) of reverse rollers all are plates that has elongated slot, they all are to move up and down along the dovetail guide that is provided with on the support with hydraulic control.

4. according to the described tuber of claim 1, the steel pipe toll bar that it is characterized in that it is to be connected with movable support with hinge, has torsion spring on axle, and it is two valve of splitting that can close automatically.

5. according to the described tuber of claim 1, it is characterized in that the roller die on its roller die support is made up of front and back two frames, all form for every by orthogonal two groups of pair rollers, the center line of roller die distributes and differs 45 ° between two.

6. according to the described tuber of claim 1, it is characterized in that its three oil cylinder triangularities are arranged, its leg-of-mutton one side is perpendicular to the ground.