CN109848239A

CN109848239A - The heavy dies preheating of multidirectional double acting hydraulic extrusion press and fast replacement system and method

Info

Publication number: CN109848239A
Application number: CN201811539255.XA
Authority: CN
Inventors: 郭玉玺; 张利; 陈海山
Original assignee: NANJING DEVELOP HIGH-END MANUFACTURING Co Ltd
Current assignee: NANJING DEVELOP HIGH-END MANUFACTURING Co Ltd
Priority date: 2018-12-17
Filing date: 2018-12-17
Publication date: 2019-06-07
Anticipated expiration: 2038-12-17
Also published as: CN109848239B

Abstract

The invention discloses the preheating of the heavy dies of multidirectional double acting hydraulic extrusion press and fast replacement system and method, which includes mold automatic clamping device, mold mobile station apparatus, mold transport dual U-shaped trolley, die preheating furnace bottom device, mold assembly platform device and longitudinal rail assemblies；This method is automated exchanged cutter of the mold in replacement process and loosens, and conveys and loads and unloads automatically between hydraulic press, preheating furnace and mold assembling position.The present invention has initiated from mold and has been assembled into preheating, handling, the integrated fast automatic replacement integrated system of heavy dies of transport, realize automation, intelligent operation, improve the rate of load condensate of equipment, shorten mold assembling, heating and turnover process and die change time, save manpower, reduce production run cost, the configuration of workshop crane ability and workshop cost, particularly suitable for large-scale multidirectional double acting hydraulic extrusion press vertically and horizontally heavy dies while quick-replaceable requirement.

Description

The heavy dies preheating of multidirectional double acting hydraulic extrusion press and fast replacement system and method

Technical field

The present invention relates to the preheating of the heavy dies of multidirectional double acting hydraulic extrusion press and fast replacement system and methods, belong to gold Belong to Plastic Forming hydraulic press technical field.

Background technique

The mold of large-scale stamp forging hydraulic press or multidirectional double acting hydraulic extrusion press is the tool for shaping precision workpiece, is into The shape of shape metal material and a kind of processing for changing its mechanical property are known as the title of " industry is female ".When work, need first by mould Tool is preheating to certain temperature, then, the metal material of heating is put into wherein, die forging or extrusion molding are carried out.

Simplest die forging is up or down monolithic mold with mold, and complicated is then sectional die, or includes punching Head and mandril.Multidirectional double acting extrusion die is then increasingly complex, when vertical molding, other than up or down vertical mold, also includes Lateral extrusion mold and horizontal perforated die；When level molding, other than left or right lateral extrusion mold, also squeezed comprising vertical Compression mould and vertical perforated die.Therefore, the assembly of mold, preheating and replacement operation are put forward higher requirements.

Currently, the dress of the mold of large-scale stamp forging hydraulic press/to tear open be manual mode of operation by means of suspender mostly, mold is pre- Heat is usually to carry out after installing in machine, is heated to red heat by manually utilizing the preheating of flame heating method, or by one piece Bloom is placed between upper/lower die and preheats；Some preheats in the preheating furnace outside machine, is hung in mold using driving lifting method In mobile work platform, by manually installed；Also some transports mold using mold-change trolley, but preheats and lift by crane and still carry out by driving. The assembly of these molds, preheating and substitute mode are all relatively backward, and preheating temperature is very uneven, and it is strong that die change fills/tear open labour Big, low efficiency is spent, the productivity requirement of the large-scale die forging tinuous production of scale cannot be adapted to, weight is less adapted to and reach The preheating of the heavy dies of 100t or more and quick-replaceable requirement.It is multidirectional for the large size of small mount, multi items double acting compound crowded Hydraulic fluid press vertically and horizontally double acting mold while replace, more have no precedent to go by.

Summary of the invention

To solve the above problems, the invention discloses large-scale stamp forging hydraulic press or multidirectional double acting Compound Extrusion liquid The heavy dies of press preheat and fast replacement system and method, propose a kind of heavy dies assembling, preheating, handling, carry Integrated fast replacement system technology, the heavy type for large-scale stamp forging hydraulic press or multidirectional double acting Compound Extrusion shaping hydraulic machine The quick-replaceable of mold.Its specific technical solution is as follows:

The heavy dies of multidirectional double acting hydraulic extrusion press preheat and fast replacement system, including mold automatic clamping device, mold Mobile station apparatus, mold transport dual U-shaped trolley, die preheating furnace bottom device, mold assembly platform device and longitudinal rail assemblies； Mold mobile station apparatus, die preheating furnace bottom device, mold assembly platform device are sequentially arranged in the side of longitudinal rail assemblies, And it is connected to longitudinal rail assemblies.

The mold automatic clamping device include 1-8 set automatic clamping device, be individually fixed in moved cross beam backing plate, on In pecker support, lower pecker support, the horizontal master cylinder of left/right and the end of cylinder plug of perforating, lower beam；Mold automated exchanged cutter Device (1) is respectively Wedge-type, V-type ring type and T connector rod-pulling type, respectively by 1 or 2 Driven by Hydraulic Cylinder, when mold is in hydraulic When the center of machine, under conditions of meeting given, by corresponding mold cramping or release.

The mold mobile station apparatus includes mold moving bedplate, oil motor driving device, travel control device, mobile station Lifting device, positioning device and clamping device make mold carry out lateral shifting between hydraulic press and mold transport dual U-shaped trolley It is dynamic, and can be in the automatic center locating of the two and in hydraulic press center Automatic-clamping.

The mold transport dual U-shaped trolley includes 2 U-shaped trolleies, walking system, each U-shaped connected by dumpling pin device Trolley is provided with respective lifting device, hydraulic control device, electric control gear, power supply unit and positioning device, and mold is made to exist Longitudinal fast transportation, automatic positioning and automatic loading and unloading are carried out between hydraulic press, preheating furnace and mold assembling position.

Die preheating furnace bottom device includes the bottom device of 1-4 platform resistance preheating furnace, motor gear driving device, row Process control device and positioning device make mold carry out transverse shifting between preheating furnace and dual U-shaped trolley, and can be in the two Heart automatic positioning.

The mold assembly platform device include 1-2 assembly platform, motor gear driving device, travel control device and Positioning device assembles mold in mold and carries out transverse shifting between position and dual U-shaped trolley, and can be automatically fixed at the center of the two Position.

The longitudinal rail assemblies will pass in and out the transverse rails of hydraulic press, 1-4 platform preheating furnace and 1-2 mold assembling station Road connection together, enables dual U-shaped trolley to fast move and be accurately positioned between each station, ensure that mobile station, furnace Bottom and platform can accurately be docked with dual U-shaped trolley.

The structure and installation site of mold automatic clamping device are furtherd elucidate, the mold automatic clamping device includes 8 Automatic clamping device is covered, successively are as follows:

1 set of 4 Wedge-type automatic clamping device of the backing plate two sides of moved cross beam are installed on, are respectively driven by a piston-type hydraulic cylinder It is dynamic, when voussoir stretches out, can the both sides of the upper extrusion die after positioning be fixed and be clamped, when voussoir retracts, upper extrusion die Backing plate can be spontaneously decoupled；

It is installed on 6 sets of V-type rings of the end of pecker support, lower pecker support, the horizontal master cylinder of left/right and cylinder plug of perforating It is horizontal to be respectively used to pecker, lower pecker, left/right respectively by 2 dual Piston Driven by Hydraulic Cylinder for formula automatic clamping device The fixation and clamping of extrusion die and pecker, 6 sets of V-type ring type automatic clamping devices clamp outer diameter according to the V-type of mold, are designed to Two V-type semi-rings of corresponding diameter, any end of two V-type semi-rings is hinged with the piston rod of a double piston cylinder, dual-active Plunger type hydraulic cylinder is fixed on the ring diameter of each pecker support or cylinder plug of perforating, and is moved by two piston reverses directions by two halves The V-type diameter of ring becomes larger, i.e. release mold, and the V-type diameter of two semi-rings becomes smaller conversely, two pistons move toward one another, that is, clamps Mold, the installation of all molds are located through the taper male half coupling an of proper diameter and corresponding pecker support or cylinder plug The taper concave mouth of the respective diameters of end cooperates positioning；

1 set of 4 T connector pull rod automatic clamping device being installed in lower beam, 4 T connector pull rod automatic clamping devices respectively by One piston-type hydraulic cylinder driving, fixation and clamping for lower extrusion die and mobile station and lower bolster；4 T connector pull rods Automatic clamping device is respectively rotated by a piston type rack cylinder driving with the coaxial gear shaft of T connector pull rod, draws T connector After bar is rotated by 90 °, decline is retracted into lower bolster, so that lower extrusion die and mobile station pass in and out hydraulic press in more mold exchange.

Mold mobile station apparatus is furtherd elucidate, the mold mobile station apparatus is able to bear for installing lower mold The service load of hydraulic press, meanwhile, a full set of mold can be turned to be transported into hydraulic press center from dual U-shaped trolley, it also can be from hydraulic press It transports out to dual U-shaped trolley.

The mold mobile station apparatus includes moving bedplate, is oriented to below moving bedplate equipped with two-wheel edge heavily loaded from motor-car Wheel, runs on 2 cross tracks being fixed on hydraulic press lower beam backing plate, is equipped with below moving bedplate close to both sides of the edge 2 rack gears are driven by the adjustable oil motor with gear reduction box of 2 speed being fixed on hydraulic press frame-geared system.

It is orthogonal with the long rails of dual U-shaped trolley with the machine outside track extension of 2 cross track docking, for moving bedplate Transverse shifting and handling mold between hydraulic press and dual U-shaped trolley.

Cross track corresponds to the position of 4 groups of 8 wheels in lower beam backing plate, is equipped with 4 groups of 8 short stroke hydraulic cylinders Lifting and guiding device meet moving bedplate and the disengaging of lower beam backing plate and are bonded to adapt to the lifting of moving bedplate.

It is equipped with lateral keyway below moving bedplate transverse center, cooperates with the key being arranged on lower beam backing plate, realizes and move The longitudinal register of dynamic platen is additionally provided with 2 longitudinal keyways below moving bedplate, be arranged on lower bolster by 4 short strokes The key of Driven by Hydraulic Cylinder cooperates, and realizes the located lateral of mobile station.

It is equipped with mold positioning key at the top of moving bedplate, so that mold is located in shifting by the keyway under positioning key and die backing plate On dynamic platen.

Moving bedplate, together with die backing plate, is pressed from both sides automatically at hydraulic press center by 4 T connector pull rod automatic clamping devices Tightly, it is fixed by 4 clamping device through-holes with lower beam backing plate.

Be coaxially installed with encoder with oil motor-geared system, the stroke for moving bedplate controls, can in hydraulic press and The automatic center locating of both dual U-shaped trolleies, meanwhile, it is equipped at the front/rear end of moving bedplate close to switch signal transmitter, in liquid Safety overflow valve and pressure sensor are equipped in pressure system.

The front end and/or rear end of moving bedplate are equipped with the orbital plane cleaning device of spinning.

Mold transport dual U-shaped trolley is furtherd elucidate, the mold transport dual U-shaped trolley is 2 U-shaped lead frame structures Rail heavy duty trolley one entirety is connected by dumpling pin device there are two parking stall.

Each mold transport dual U-shaped trolley is mounted on two-wheel edge and is oriented to heavily loaded adhesion wheel and heavily loaded driven wheel, respectively Be connected to gear-box by corresponding synchronizing shaft, using frequency control the direct wheel drive of motor-gear transmission device and push away certainly It is run into formula.

Each included 1 set of hydraulic power unit of mold transport dual U-shaped trolley, high-pressure pump, fuel tank, valve comprising compact, Part flow arrangement, filter, pipeline, hose and nipple and air cleaner transport each mold by part flow arrangement 4 molds jacking short stroke hydraulic cylinder on dual U-shaped trolley moves synchronously, and is used for die center, jacking and holding, works as short stroke When hydraulic cylinder is in extreme lower position, platform, furnace bottom and the mobile station of mold assembly platform device either carry mold or sky Carry any one parking stall that can free in and out mold transport dual U-shaped trolley；When short stroke hydraulic cylinder is in extreme higher position, Mold can be jacked up, so that the platform, furnace bottom and mobile station of mold assembly platform device exit corresponding parking stall；When short row During journey hydraulic cylinder heads on mold from extreme higher position backhaul to extreme lower position, mold can be unloaded to mold assembly platform dress In platform, furnace bottom or the mobile station set；Mold has either been unloaded, mold or mold jacking short stroke hydraulic cylinder are still carried In extreme lower position, it is in extreme higher position, dual U-shaped trolley can longitudinal free-running operation.

Each mold transport small car of dual U-shaped is equipped with 1 set of vertical taper pin positioning device for use, is driven by short stroke hydraulic cylinder Cone pin extends downwardly, be inserted into be fixed on track foundation frame in the matched positioning orifice plate of cone pin, for operating in liquid Positioning before press, preheating furnace and mold assembling position.

Mold transport dual U-shaped trolley have power supplier, including power switch cabinet, overhead cable drag chain device, And electric control gear, electric control gear are arranged in the control cabinet of mold transport dual U-shaped trolley, can pass through the station of forging operation room It is operated with with vehicle controller.

It is coaxially installed with encoder with motor-gear transmission device, the stroke for mold transport dual U-shaped trolley controls, It can assemble in hydraulic press, preheating furnace and mold and be automatically positioned before position.

The both ends of mold transport dual U-shaped trolley moving direction are also equipped with limit journey protective device and the orbital plane of spinning is clear Clean device.

Die preheating furnace bottom device is furtherd elucidate, the furnace bottom of die preheating furnace bottom device is rigid lead frame Moveable structure is equipped with mold vertical and horizontal positioning key and bearing beam, is inserted into the keyway of die backing plate, is made by positioning key Mold is located on furnace bottom, and furnace bottom upper surface is laid with refractory fiber block, and mechanical labyrinth formula and ceramics are used between furnace bottom and furnace body The band-like sealing of glue sticking fiber.

Several two-wheel edge are installed on the chassis of furnace bottom and are oriented to heavily loaded driven wheel, in 2 cross being fixed on ground It is run on track, cross track extends out orthogonal with long rails out of preheating furnace, is filled below furnace bottom close to both sides of the edge There are 2 rack gears, by the direct wheel drive of motor-gear transmission device of 2 frequency control fixed on the ground, makes furnace bottom pre- Transverse shifting is carried out between hot stove and mold transport dual U-shaped trolley and mold fills/come out of the stove operation.

It is coaxially installed with encoder with motor-gear transmission device, the stroke for furnace bottom controls, can be in preheating furnace and double The automatic center locating of both U-shaped trolleies, meanwhile, it is equipped in the front end of furnace bottom and/or rear end close to switch signal transmitter.

Furnace bottom front end and/or rear end are equipped with the orbital plane cleaning device of spinning.

Furnace bottom is operated by the electric control gear by furnace is arranged in, and electric control gear is connected with power supplier.

Mold assembly platform device is furtherd elucidate, it is removable that the mold assembly platform device is rigid lead frame Formula structure is equipped with mold vertical and horizontal positioning key and platform, passes through the key of mold vertical and horizontal positioning key and die backing plate Slot is located in mold on platform.

Two-wheel edge is installed below mold assembly platform and is oriented to heavily loaded driven wheel, in 2 cross being fixed on ground It is run on track, cross track extends to orthogonal with the long rails of dual U-shaped trolley from platform, and 2 teeth are housed below platform Item assembles platform in mold by the direct wheel drive of motor-gear transmission device of 2 frequency control fixed on the ground Transverse shifting is carried out between position and dual U-shaped trolley and mould handling is run.

It is coaxially installed with encoder with motor-gear transmission device, the stroke for platform controls, and can assemble position in mold With the automatic center locating of both dual U-shaped trolleies, meanwhile, be equipped in the front end of platform and/or rear end close to switch signal transmitter.

Mold assembly platform front end and/or rear end are equipped with the orbital plane cleaning device of spinning.

The electric control gear that mold assembly platform is set on by platform by 1 operates, which is connected with power supply Device.

The longitudinal rail assemblies of dual U-shaped trolley are furtherd elucidate, the longitudinal rail assemblies of the dual U-shaped trolley include track Foundation frame, track, rail pressing plate, washer and bolt, rail end elastic buffer, and be fixed on track foundation frame with it is double The transverse direction of the matched positioning orifice plate of two cone pins on U-shaped trolley, long rails and hydraulic press, preheating furnace and mold assembling position Track is orthogonal, and their connection are got up, for the phloem-xylem transport before and after die change.

The heavy dies of multidirectional double acting hydraulic extrusion press preheat and quick change method, comprising the following steps:

Step 1: the trolley in name dual U-shaped trolley close to mold assembly platform device side is the parking stall 1#, mobile close to mold The trolley of platform device side is the parking stall 2#, assembles position in mold, by manually mold is assembled on platform, the platform is by motor tooth Wheel apparatus driving, runs to the center of the parking stall dual U-shaped trolley 1# before having been located at mold assembly platform, and be automatically positioned, The mold on platform is jacked up by the parking stall 1# jacking apparatus, then, platform is assembled by the driving of motor gear device back to mold Position；

Step 2: carrying the parking stall dual U-shaped trolley 1# of mold, under walking system driving, it is automatically fixed before any preheating furnace to run to Position, the furnace bottom of preheating furnace are driven by motor gear device, run to the lower section of the parking stall dual U-shaped trolley 1# center die, and automatic Positioning, the parking stall 1# jacking apparatus drop to mold on furnace bottom, and then, furnace bottom carries mold and drives return by motor gear device It is automatically positioned in preheating furnace, fire door, which is closed, starts preheated mold；

Step 3: after mold is preheating to set temperature in preheating furnace, furnace bottom carries mold and is driven by motor gear device, operation It to having been located at the dual U-shaped parking stall the trolley 1# center before preheating furnace, and is automatically positioned, by the parking stall 1# jacking apparatus by mold top It rises, then, furnace bottom is returned in preheating furnace by the driving of motor gear device；

Step 4: the parking stall 1# of dual U-shaped trolley carries the mold after preheating, under walking system driving, the parking stall 2# is made to run to liquid It is automatically positioned before press；

Step 5: the horizontal or vertical mold that replace hydraulic press will be in setting position, the automatic clamping device difference of mold Mold is unclamped, mobile station clamping device unclamps mobile station, and mobile station rises automatically, driven by oil motor, and it is small to run to dual U-shaped The parking stall vehicle 2# center, and be automatically positioned, replaced mold is jacked up by the parking stall 2# jacking apparatus, then, mobile station is in oil Motor driving is lower to return to hydraulic press center；

Step 6: the parking stall 2# of dual U-shaped trolley carries replaced mold, under walking system driving, makes after carrying preheating It before the parking stall 1# of mold runs to hydraulic press, and is automatically positioned, mobile station is driven by oil motor, runs to dual U-shaped trolley 1# vehicle The lower section of position center die, and be automatically positioned, the mold after preheating is dropped in mobile station by the parking stall 1# jacking apparatus, so Afterwards, mobile station carries the mold after preheating under oil motor driving back to hydraulic press center；

Step 7: carrying the parking stall dual U-shaped trolley 2# of replaced mold, under walking system driving, run to any in advance Before hot stove, need preheating furnace furnace bottom for mold and transport furnace inside holding back, to use next time, or run to mold assembling position before, There is pedestal to be assembled to transport mold the dismantling of back assembling position；

Step 8: mobile station carries the mold after preheating at hydraulic press center, and after being positioned by key, is filled by the clamping in lower beam It sets fixed and is clamped on lower bolster, then, the automatic clamping device of each corresponding mechanism is clamped respective mould by program respectively Tool so far completes installation and the quick-replaceable of mold.

Further elucidate the detailed process before mold assembles position for dual U-shaped trolley loading or unloading mold are as follows:

When before the longitudinally running position to mold assembling in the parking stall 1# of dual U-shaped trolley, the parking stall the 1# vertical taper pin of the small car of dual U-shaped Stretching is inserted into track foundation frame positioning orifice plate, positions the parking stall 1#, and contactless limit switch sender assembles the flat of mold Platform is by electric gear motor and chain wheel drive, and into the parking stall 1# center, encoder sender, the horizontal taper pin of the parking stall 1#, which stretches out, to be inserted Enter into the dowel hole of platform, position platform, the mold jacking short stroke hydraulic cylinder of limit switch sender, the parking stall 1# jacks up The horizontal taper pin of mold on platform, limit switch sender, the parking stall 1# is extracted out of platform dowel hole, limit switch hair News, platform outputs the parking stall 1#, stops back to mold assembling position and sender, and then, the parking stall 1# vertical taper pin is from track foundation Frame is positioned in orifice plate and is extracted, and it is longitudinally running to preheating furnace prelocalization that the parking stall dual U-shaped trolley 1# carries mold, waits the furnace of preheating furnace Bottom unloads mold.

When the parking stall 2# of dual U-shaped trolley, which is carried, to be run to before mold assembling position from the replaced mold of hydraulic press, double U The parking stall the 2# vertical taper pin stretching of the small car of shape is inserted into track foundation frame positioning orifice plate, positions the parking stall 2#, contactless Limit switch sender, assembly platform is by electric gear motor and chain wheel drive, into the lower section of the parking stall 2# center die, encoder The parking stall the 2# horizontal taper pin stretching of sender, the small car of dual U-shaped is inserted into the dowel hole of platform, is positioned platform, is limited Sender is switched, the mold jacking short stroke hydraulic cylinder of the parking stall 2# falls, mold is unloaded on platform, limit switch sender, 2# Parking stall horizontal taper pin is extracted out of platform dowel hole, and limit switch sender, platform outputs the parking stall 2#, returns to set of molds It fills position and stops simultaneously sender, the parking stall 2# vertical taper pin is extracted out of track foundation frame positioning orifice plate, and the parking stall dual U-shaped trolley 1# is longitudinal Preheating furnace prelocalization is run to, the furnace bottom loading mold of preheating furnace is waited.

Further elucidate the detailed process before hydraulic press for dual U-shaped trolley loading or unloading mold are as follows:

When the parking stall 1# of dual U-shaped trolley, which is carried, to be run from the mold after the preheating that preheating furnace loads to hydraulic press, make the parking stall 2# Before stopping at hydraulic press, the parking stall the 2# vertical taper pin stretching of the small car of dual U-shaped is inserted into track foundation frame positioning orifice plate, is made The parking stall 2# positions, contactless limit switch sender, and the clamping device of each mold has unclamped mold in hydraulic press, mobile station The mold unloaded down from hydraulic press is carried, by the driving driving of oil motor-geared system, into the parking stall 2# center, encoder sender, The parking stall the 2# horizontal taper pin stretching of the small car of dual U-shaped is inserted into the dowel hole of mobile station, makes mobile position estimation, limit is opened Sender is closed, the mold jacking short stroke hydraulic cylinder of the parking stall 2# jacks up the mold in mobile station, limit switch sender, the parking stall 2# level Cone pin is extracted out of mobile station dowel hole, and limit switch sender, mobile station outputs the parking stall 2#, back to hydraulic press in stop Only and sender.

Then, vertical taper pin is extracted out of track foundation frame positioning orifice plate, and the parking stall 1# of dual U-shaped trolley is made to run and stop Only before hydraulic press, the vertical taper pin stretching of the parking stall 1# is inserted into track foundation frame positioning orifice plate, positions the parking stall 1#, nothing Limit switch sender is contacted, mobile station is compiled by oil motor-geared system driving driving into below the centrical mold of 1# vehicle Code device sender, the stretching of the parking stall 1# horizontal taper pin are inserted into the dowel hole of mobile station, make mobile position estimation, limit switch hair The mold jacking short stroke hydraulic cylinder of news, the parking stall 1# is fallen on mold to mobile station, limit switch sender, the parking stall 1# horizontal taper Pin is extracted out of mobile station dowel hole, and limit switch sender, mobile station outputs the parking stall 2#, is stopped simultaneously back to hydraulic press is interior Sender.

Later, vertical taper pin in the parking stall 1# is extracted out of track foundation frame positioning orifice plate, and the parking stall dual U-shaped trolley 2# carries more The mold changed is longitudinally running, or in preheating furnace prelocalization, mold is unloaded in preheating furnace, or determines before mold assembles position Position, mold is unloaded on assembly platform.

When mobile station carries mold back to 4 groups of 8 short rows after stopping in hydraulic press and sender, in hydraulic press lower bolster The decline of journey hydraulic cylinder, the wheel of mobile station decline therewith, are bonded mobile station with lower bolster, meanwhile, under mobile station transverse center The lateral keyway of side cooperates with the key on lower bolster, realizes the longitudinal register of moving bedplate, longitudinal keyway below mobile station, With with the key of 2 short stroke hydraulic cylinders driving, realize the located lateral of mobile station, then, by 4 T-types on lower bolster Hydraulic clamp is by die backing plate together with mobile station Automatic-clamping.

Hereafter, each main-cylinder stroke is contacted to setting position with corresponding mold, by corresponding mold automatic clamping device Clamping mold respectively, then, each master cylinder backhaul, so as to complete the quick-replaceable of new and old mold.

The beneficial effects of the present invention are:

The present invention is different from the die-changing apparatus and method of existing any large-scale stamp forging hydraulic press, in large-scale stamp forging hydraulic press Be on multidirectional double acting Compound Extrusion hydraulic press it is pioneering, have significant novelty, innovation and practicality.

The present invention has been initiated and has been assembled from mold according to the design feature of multidirectional double acting Compound Extrusion and contour forging technique mold To preheating, handling, the integrated fast automatic replacement system of heavy dies is carried, by mold assembling, preheating, handling, transported, more Change as an Integration System Design, compared with traditional design, bring it is many utility model has the advantages that

(1) automation, intelligent operation can be achieved, improve the gentle rate of load condensate of Automated water of equipment, substantially shorten die change Time can complete in 10 minutes, save manpower, reduce artificial replacement labor intensity；

(2) uniformity that mold preheating temperature can be improved reduces mold temperature drop, is conducive to extend the service life of mold, drop Low production run cost is suitable for the large batch of continuous production of large-scale stamp forging hydraulic press, especially meets small mount, multi items Vertically and horizontally 2-8 covers quick-replaceable while weight reaches the heavy dies of 120t and wants large-scale multidirectional double acting Compound Extrusion hydraulic press It asks；

(3) it is laid out more compact and reasonable, to shorten mold assembling, heat and have enough to meet the need process, reduces accounting for for apparatus for production line Ground area makes plant working area be fully used, and reduces the configuration of workshop crane ability, reduces workshop cost；

(4) be conducive to enhance product performance and quality, attenuating energy consumption reduce cost, reduce maintenance cost etc..

Detailed description of the invention

Fig. 1 is general arrangement schematic diagram of the invention, reference signs list:

1-mold automatic clamping device, 2-mold mobile station apparatus, 3-molds transport dual U-shaped trolley,

4-die preheating furnace bottom devices, 5-mold assembly platforms, the longitudinal rail assemblies of 6-dual U-shaped trolleies,

7-hydraulic presses, 8-die preheating furnaces (4), 9-mold assembly platforms；

Fig. 2 is mold automatic clamping device schematic diagram of the invention,

Wherein: Fig. 2 (a) is Wedge-type automatic clamping device schematic diagram,

Fig. 2 (b) is V-type ring type automatic clamping device schematic diagram,

Fig. 2 (c) is the A-A of Fig. 2 (b) to section view,

Fig. 2 (d) is T connector pull rod automatic clamping device schematic diagram,

Fig. 2 (e) is the B-B direction section view of Fig. 2 (d),

Reference signs list:

111-Wedge-type automatic clamping device piston-type hydraulic cylinders, 112-voussoirs,

121-V-type ring type automatic clamping device dual Piston hydraulic cylinders, 122-piston rods are hinged,

123-V-type semi-rings, 124-extrusion dies and pecker, 125-master cylinders and perforation cylinder plug

131-T connector pull rod automatic clamping device pull rods, 132-piston-type hydraulic cylinders,

133-piston type rack cylinders, 134-gear shafts；

Fig. 3 is mold mobile station apparatus schematic diagram of the invention,

Wherein: Fig. 3 (a) is the vertical cross-section view of mold mobile station apparatus,

Fig. 3 (b) is the top view of mold mobile station apparatus,

Reference signs list:

211-moving bedplates, 212-wheels, 213-rack gears/gear, 214-tracks, 215-lower beam backing plates,

216-oil motors-geared system, the lifting of 217-mobile stations and guiding device,

218-moving bedplate longitudinal register keys, the located lateral key of 219-mobile stations, 220-mold positioning keys,

221-strokes control encoder apparatus, 222-clamping device through-holes；

Fig. 4 is mold transport dual U-shaped trolley schematic diagram of the invention,

Wherein: Fig. 4 (a) is the horizontal view of mold transport dual U-shaped trolley,

Fig. 4 (b) is the top view of mold transport dual U-shaped trolley,

Reference signs list:

311-1#U type parking stalls, the U-shaped parking stall 312-2#, 313-dumpling pin devices, 314-gear-boxes,

315-variable-frequency motors-gear assembly, 316-hydraulic power units, 317-molds jack hydraulic cylinder,

318-taper pin positioning device for use, 319-power suppliers, 320-with vehicle controller,

321-strokes control encoder apparatus；

Fig. 5 is die preheating furnace bottom schematic device of the invention,

Wherein: Fig. 5 (a) is the horizontal view of die preheating furnace bottom device,

Fig. 5 (b) is the top view of die preheating furnace bottom device,

Reference signs list:

411-furnace bottoms, 412-positioning keys, 413-bearing beams, 414-refractory fibres are fast, 415-furnace bodies,

416-band-like sealings, 417-wheels, 418-tracks, 419-rack gears, 420-motor-gear transmission devices,

421-strokes control encoder apparatus；

Fig. 6 is mold assembly platform schematic diagram of the invention,

Wherein: Fig. 6 (a) is the horizontal view of mold assembly platform,

Fig. 6 (b) is the top view of mold assembly platform,

Reference signs list:

421-strokes control encoder apparatus.

Specific embodiment

The technical means disclosed in the embodiments of the present invention is not limited to the technical means disclosed in the above technical means, and further includes Technical solution consisting of any combination of the above technical features.With reference to the accompanying drawings and detailed description, it furthers elucidate The present invention.It should be understood that following specific embodiments are merely to illustrate the present invention, rather than limit the scope of the invention.

In conjunction with Fig. 1, the present invention includes mold automatic clamping device 1, mold mobile station apparatus 2, mold transport dual U-shaped trolley 3, die preheating furnace bottom device 4, mold assembly platform device 5, longitudinal rail assemblies 6.

The function of various pieces is specifically described below:

1) combine Fig. 2 as it can be seen that mold automatic clamping device

Mold automatic clamping device includes 8 sets of automatic clamping devices:

1 set of 4 Wedge-type automatic clamping device of the backing plate two sides of moved cross beam are installed on, respectively by a piston-type hydraulic cylinder The both sides of upper extrusion die after positioning can be fixed and be clamped when voussoir 112 stretches out by 111 drivings, when voussoir retracts, on Extrusion die can be spontaneously decoupled backing plate.

It is installed on the 6 of the end of pecker support, lower pecker support, the horizontal master cylinder of left/right and cylinder plug 125 of perforating Cover V-type ring type automatic clamping device, respectively driven by 2 dual Piston hydraulic cylinders 121, be respectively used to pecker, lower pecker, The fixation and clamping of left/right lateral extrusion mold and pecker 124.6 sets of V-type ring type automatic clamping devices are pressed from both sides according to the V-type of mold Outer diameter is held, is designed to two V-type semi-rings 123 of different-diameter；The each piston rod with a double piston cylinder of one of two semi-rings Hinged 122, double piston cylinder is fixed on the ring diameter of each pecker support or cylinder plug；It is moved by two piston reverses directions by two The V-type diameter of semi-ring becomes larger, i.e. release mold, and the V-type diameter of two semi-rings becomes smaller conversely, two pistons move toward one another, that is, presss from both sides Tight mold.The installation of all molds is located through the taper male half coupling an of proper diameter and corresponding pecker support or cylinder column The taper concave mouth for filling in the respective diameters of end cooperates positioning.

1 set of 4 T connector pull rod automatic clamping device 131 being installed in lower beam, respectively by a piston-type hydraulic cylinder 132 drivings, for the fixation and clamping of lower extrusion die and mobile station together with lower bolster；It is respectively hydraulic by a piston type rack gear Cylinder 133 drives the gear shaft 134 coaxial with T connector pull rod to rotate, and after being rotated by 90 ° T connector pull rod, decline is retracted into lower bolster It is interior, so that lower extrusion die and mobile station pass in and out hydraulic press in more mold exchange.

2) combine Fig. 3 as it can be seen that mold mobile station apparatus

Mold mobile station apparatus is able to bear the service load of hydraulic press for installing lower mold.Meanwhile it can be by a full set of mold Turn to be transported into hydraulic press center from U-shaped double trolley, can also be transported out from hydraulic press to U-shaped double trolley.

Moving bedplate 211 is oriented to heavily loaded driven wheel 212 equipped with the two-wheel edge of 4 groups of 8 diameter 250-360mm, in fixation It is run on 2 cross tracks 214 on hydraulic press lower beam backing plate 215；2 rack gears 213 are housed, by solid below moving bedplate Adjustable oil motor-the geared system 216 with gear reduction box of 2 speed being scheduled on hydraulic press frame drives.

It is orthogonal with the long rails of dual U-shaped trolley with the machine outside track extension of 2 cross track docking, so that mobile station exists Transverse shifting and handling mold between hydraulic press and dual U-shaped trolley.

Cross track corresponds to the position of 4 groups of 8 wheels in lower beam backing plate, is equipped with 4 groups of 8 short stroke hydraulic cylinders Lifting and guiding device 217 meet moving bedplate and the disengaging of lower beam backing plate and are bonded to adapt to the lifting of mobile station.

It is equipped with lateral keyway below mobile station transverse center, cooperates with the key 219 being arranged on lower beam backing plate, realizes and move The longitudinal register of dynamic platen is additionally provided with 2 longitudinal keyways below mobile station, be arranged on lower bolster by 4 short stroke liquid The key 218 of cylinder pressure driving cooperates, and realizes the located lateral of mobile station.

It is equipped with mold positioning key 220 at the top of mobile station, is located in mold by positioning key and the keyway under die backing plate In mobile station.

Mobile station passes through 4 by 4 T-type hydraulic clamp Automatic-clampings together with die backing plate at hydraulic press center A clamping device through-hole 222 is fixed together with lower beam backing plate.

It is coaxially installed with encoder 221 with oil motor-geared system, the stroke for moving bedplate controls, can be hydraulic The automatic center locating of both machine and dual U-shaped trolley.Meanwhile it being equipped with close switch signal transmitter at the front/rear end of mobile station, Safety overflow valve and pressure sensor are equipped in hydraulic system.

The front/rear end of mold mobile station is equipped with the orbital plane cleaning device of spinning.

3) Fig. 4 is combined as it can be seen that mold transports dual U-shaped trolley

Mold transport dual U-shaped trolley be respectively the parking stall 1# or 2#, respectively be 120t maximum load-carrying capacity 2 U-shaped lead frame The rail heavy duty trolley of structure connects into an entirety by dumpling pin device.

Each U-shaped trolley equipped with 2 two-wheel edge that diameter is 450-630mm be oriented to heavily loaded adhesion wheel and 2 heavy duties from Motor car wheel is respectively connected to gear-box by 1 synchronizing shaft, using the direct wheel drive of motor-gear transmission device of frequency control It is run with self-propelled.

Each U-shaped trolley carries 1 set of hydraulic power unit, high-pressure pump, fuel tank comprising compact, valve, part flow arrangement, mistake Filter, pipeline, hose and nipple and air cleaner.Make 4 molds on each U-shaped trolley by part flow arrangement Jacking short stroke hydraulic cylinder moves synchronously, and is used for die center, jacking and holding.When short stroke hydraulic cylinder is in extreme lower position When, platform, furnace bottom or mobile station, which either carry mold or zero load, can free in and out the parking stall 1# or 2#；Work as short stroke When hydraulic cylinder is in extreme higher position, mold can be jacked up, so that platform, furnace bottom or mobile station exit the parking stall 1# or 2#；When During short stroke hydraulic cylinder heads on mold from extreme higher position backhaul to extreme lower position, mold can be unloaded platform, furnace bottom, Or in mobile station；Mold has either been unloaded, mold has still been carried or mold jacking short stroke hydraulic cylinder is in extreme lower position, It is in extreme higher position, dual U-shaped trolley can longitudinal free-running operation.

Each small car of U-shaped is equipped with 1 set of vertical taper pin positioning device for use, downward by short stroke hydraulic cylinder driving cone pin Stretch out, be inserted into be fixed on track foundation frame in the matched positioning orifice plate of cone pin, for operating in hydraulic press, preheating furnace With the positioning before mold assembling position.

Dual U-shaped trolley has 1 set of power supplier, includes the overhead cable-pulling chain dress of 1 power switch cabinet and 1 It sets；With 1 set of electric control gear, it is arranged in the control cabinet of trolley, and can controls by the station of forging operation room and with vehicle Device is operated.

It is coaxially installed with encoder 321 with motor-gear transmission device, the stroke for dual U-shaped trolley controls, can be in liquid It is automatically positioned before press, preheating furnace and mold assembling position.

The two sides of dual U-shaped trolley are also equipped with the orbital plane cleaning device of limit journey protective device and spinning.

4) combine Fig. 5 as it can be seen that die preheating furnace bottom device

The furnace bottom 411 of die preheating furnace bottom device is rigid lead frame moveable structure, is equipped with mold vertical and horizontal Positioning key 412 and bearing beam 413 are located in mold on furnace bottom by the keyway of positioning key and die backing plate；Furnace bottom top is laid with Certain thickness refractory fiber block 414；Mechanical labyrinth formula and ceramic glue bondable fibers band are used between furnace bottom 411 and furnace body 415 Shape sealing 416.Maximum load-carrying capacity is 120t.

Two-wheel edge equipped with 16 diameter 200-250mm on the chassis of furnace bottom is oriented to heavily loaded driven wheel 417, is being fixed on It is run on 2 cross tracks 418 on ground, track 418 is extended out out of preheating furnace with the long rails of dual U-shaped trolley just It hands over；2 rack gears 419 are housed below furnace bottom, it is straight by the motor-gear transmission device 420 of 2 frequency control fixed on the ground Cock wheel driving, makes that furnace bottom carries out transverse shifting between preheating furnace and dual U-shaped trolley and mold takes on furnace and runs.

It is coaxially installed with encoder 421 with motor-gear transmission device, the stroke for furnace bottom controls, can be in preheating furnace With the automatic center locating of both dual U-shaped trolleies.Meanwhile it being equipped at the front/rear end of furnace bottom close to switch signal transmitter.

The front/rear end of furnace bottom is equipped with the orbital plane cleaning device of spinning.

The electric control gear that furnace bottom is set on by furnace by 1 operates, and includes 1 set of power supplier.

5) combine Fig. 6 as it can be seen that mold assembly platform

Mold assembly platform 511 is rigid lead frame moveable structure, is equipped with 512 He of mold vertical and horizontal positioning key Platform 513 is located in mold on platform by the keyway of positioning key and die backing plate.Maximum load-carrying capacity is 120t.

Two-wheel edge equipped with 4 groups of 8 diameter 250-360mm on platform is oriented to heavily loaded driven wheel 514, is being fixed on ground On 2 cross tracks 515 on run, track 515 extends to orthogonal with the long rails of dual U-shaped trolley from platform；Under platform Side is equipped with 2 rack gears 516, by the direct wheel drive of motor-gear transmission device 517 of 2 frequency control fixed on the ground, It assembles platform in mold and carries out transverse shifting and mould handling operation between position and dual U-shaped trolley.

It is coaxially installed with encoder 518 with motor-gear transmission device, the stroke for platform controls, can be in set of molds Fill the automatic center locating of both position and dual U-shaped trolley.Meanwhile it being equipped at the front/rear end of platform close to switch signal transmitter.

The front/rear end of platform is equipped with the orbital plane cleaning device of spinning.

The electric control gear that platform is set on by platform by 1 operates, and includes 1 set of power supplier.

6) longitudinal rail assemblies of dual U-shaped trolley

The longitudinal rail assemblies of dual U-shaped trolley include track foundation frame, track, rail pressing plate, washer and bolt, rail end bullet Property buffer, and be fixed on track foundation frame and the № 1 and the matched positioning orifice plate of 2 cone pin of № on dual U-shaped trolley；It is vertical It is orthogonal with hydraulic press, preheating furnace and mold the assembling cross track of position to track, and their connection are got up, it is used for die change The phloem-xylem transport of front and back.

7) mold preheating and quick-replaceable process description

1. being dual U-shaped trolley loading or unloading mold before mold assembles position

When before the longitudinally running position to mold assembling in the parking stall 1# of dual U-shaped trolley, the 1 vertical taper pin of № of the small car of dual U-shaped is stretched It is inserted into track foundation frame positioning orifice plate out, positions the parking stall 1#, contactless limit switch sender；Assemble the platform of mold By electric gear motor and chain wheel drive, into the parking stall 1# center, encoder sender, the 1 horizontal taper pin of № of the small car of dual U-shaped Stretching is inserted into the dowel hole of platform, positions platform, limit switch sender；The mold of the parking stall 1# jacks short-stroke hydraulic Cylinder jacks up the mold on platform, limit switch sender；1 horizontal taper pin of № is extracted out of platform dowel hole, limit switch Sender, platform output the parking stall 1#, stop simultaneously sender back to mold assembling position.Then, 1 vertical taper pin of № is from track foundation frame It positions in orifice plate and extracts, the parking stall dual U-shaped trolley 1# carries mold can be longitudinally running to preheating furnace prelocalization, waits preheating furnace Furnace bottom unloads mold.

When the parking stall 2# of dual U-shaped trolley, which is carried, to be run to before mold assembling position from the replaced mold of hydraulic press, double U 2 vertical taper pin of the № stretching of the small car of shape is inserted into track foundation frame positioning orifice plate, positions the parking stall 2#, contactless limit Switch sender；Assembly platform is by electric gear motor and chain wheel drive, into the lower section of the parking stall 2# center die, encoder hair 2 horizontal taper pin of the № stretching of news, the small car of dual U-shaped is inserted into the dowel hole of platform, positions platform, limit switch hair News；The mold jacking short stroke hydraulic cylinder of the parking stall 2# is fallen, and mold is unloaded on platform, limit switch sender；The horizontal cone of № 2 Shape pin is extracted out of platform dowel hole, and limit switch sender, platform outputs the parking stall 2#, is stopped simultaneously back to mold assembling position Sender.Then, 2 vertical taper pin of № is extracted out of track foundation frame positioning orifice plate, and the parking stall dual U-shaped trolley 1# can be longitudinally running To preheating furnace prelocalization, the furnace bottom loading mold of preheating furnace is waited.

2. being dual U-shaped trolley loading or unloading mold before die preheating furnace position

Be in mold assembling position dual U-shaped trolley loading or unloading mold process it is essentially identical, be double U in die preheating furnace position Shape trolley loading or unloading mold, only the former is before mold assembles position, and handling are downloaded on platform, and the latter is to preheat Stokehold handling are downloaded on furnace bottom.

3. being dual U-shaped trolley loading or unloading mold before hydraulic press

When the parking stall 1# of dual U-shaped trolley, which is carried, to be run from the mold after the preheating that preheating furnace loads to hydraulic press, make the parking stall 2# Before stopping at hydraulic press, 2 vertical taper pin of the № stretching of the small car of dual U-shaped is inserted into track foundation frame positioning orifice plate, makes 2# Parking stall positioning, contactless limit switch sender；The clamping device of each mold has unclamped mold in hydraulic press, and mobile station carries The mold unloaded down from hydraulic press, by the driving driving of oil motor-geared system, into the parking stall 2# center, encoder sender is double 2 horizontal taper pin of the № stretching of the small car of U-shaped is inserted into the dowel hole of mobile station, makes mobile position estimation, limit switch hair News；The mold jacking short stroke hydraulic cylinder of the parking stall 2# jacks up the mold in mobile station, limit switch sender；2 horizontal taper pin of № It is extracted out of mobile station dowel hole, limit switch sender, mobile station outputs the parking stall 2#, stops concurrently back to hydraulic press is interior News.

Then, vertical taper pin is extracted out of track foundation frame positioning orifice plate, and the parking stall 1# of dual U-shaped trolley is made to run and stop Only before hydraulic press, the stretching of 1 vertical taper pin of № is inserted into track foundation frame positioning orifice plate, positions the parking stall 1#, contactless Limit switch sender；Mobile station is by oil motor-geared system driving driving, into below the centrical mold of 1# vehicle, encoder Sender；The stretching of 1 horizontal taper pin of № is inserted into the dowel hole of mobile station, makes mobile position estimation, limit switch sender；1# vehicle The mold jacking short stroke hydraulic cylinder of position is fallen on mold to mobile station, limit switch sender；1 horizontal taper pin of № is from mobile station Dowel hole in extract, limit switch sender, mobile station outputs the parking stall 2#, back to hydraulic press in stop and sender.

Later, 1 vertical taper pin of № is extracted out of track foundation frame positioning orifice plate, and the parking stall dual U-shaped trolley 2# carries replacement The mold to get off is longitudinally running, or in preheating furnace prelocalization, mold is unloaded in preheating furnace, or determines before mold assembles position Position, mold is unloaded on assembly platform.

When mobile station carries mold back to 4 groups of 8 short rows after stopping in hydraulic press and sender, in hydraulic press lower bolster The decline of journey hydraulic cylinder, the wheel of mobile station decline therewith, are bonded mobile station with lower bolster；Meanwhile under mobile station transverse center The lateral keyway of side cooperates with the key on lower bolster, realizes the longitudinal register of moving bedplate；Longitudinal keyway below mobile station, With with the key of 2 short stroke hydraulic cylinders driving, realize the located lateral of mobile station on lower bolster；Then, by 4 T-types Hydraulic clamp is by die backing plate together with mobile station Automatic-clamping.

Working procedure of the invention are as follows:

Position is assembled in mold, by manually mold is assembled on platform, which is driven by motor gear device, is run to The center of the parking stall dual U-shaped trolley 1# before being located in mold assembling position, and be automatically positioned；It will be on platform by the parking stall 1# jacking apparatus Mold jack up, then, platform by motor gear device driving back to mold assemble position；

The parking stall dual U-shaped trolley 1# for carrying mold is automatically positioned before running to any preheating furnace under walking system driving；In advance The furnace bottom of hot stove is driven by motor gear device, runs to the lower section of the parking stall dual U-shaped trolley 1# center die, and is automatically positioned, The parking stall 1# jacking apparatus drops to mold on furnace bottom, and then, furnace bottom carries mold by the driving of motor gear device back in advance Automatic positioning in hot stove, fire door, which is closed, starts preheated mold；

After mold is preheating to set temperature in preheating furnace, furnace bottom carries mold and is driven by motor gear device, runs to The dual U-shaped parking stall trolley 1# center before being located in preheating furnace, and be automatically positioned, mold is jacked up by the parking stall 1# jacking apparatus, so Afterwards, furnace bottom is returned in preheating furnace by the driving of motor gear device；

The parking stall 1# of dual U-shaped trolley carries the mold after preheating, under walking system driving, before so that the parking stall 2# is run to hydraulic press Automatic positioning；

The horizontal or vertical mold that replace hydraulic press will be in setting position, and the automatic clamping device of mold unclamps mould respectively Tool, mobile station clamping device unclamp mobile station, and mobile station rises certain altitude automatically, driven by oil motor, run to dual U-shaped The parking stall trolley 2# center, and be automatically positioned, replaced mold is jacked up by the parking stall 2# jacking apparatus, then, mobile station exists Oil motor driving is lower to return to hydraulic press center；

The parking stall 2# of dual U-shaped trolley carries replaced mold, under walking system driving, makes to carry the mold after preheating It before the parking stall 1# runs to hydraulic press, and is automatically positioned, mobile station is driven by oil motor, runs to the dual U-shaped parking stall trolley 1# center The lower section of mold, and be automatically positioned, the mold after preheating is dropped in mobile station by the parking stall 1# jacking apparatus, it is then, mobile Platform carries the mold after preheating under oil motor driving back to hydraulic press center；

The parking stall dual U-shaped trolley 2# for carrying replaced mold runs to any preheating furnace under walking system driving Before, need preheating furnace furnace bottom for mold and transport furnace inside holding back, to use next time, or run to mold assembling position before, need Assembling pedestal transports mold the dismantling of back assembling position；

Mobile station carries the mold after preheating at hydraulic press center, and after being positioned by key, is fixed by the clamping device in lower beam Be clamped on lower bolster, then, the automatic clamping device of each corresponding mechanism is clamped respective mold by program respectively, so far Complete installation and the quick-replaceable of mold.

Embodiment

Be given below a concrete application of the invention, the present invention develop the mold assembling of 120t weight, preheating, handling, Carry, fast replacement system complete set technology, heavy dies for the multidirectional double acting Compound Extrusion shaping hydraulic machine of 350MN it is quick Replacement.

(2) uniformity that mold preheating temperature can be improved reduces mold temperature drop, is conducive to extend the service life of mold；Drop Low production run cost is suitable for the large batch of continuous production of large-scale stamp forging hydraulic press, especially meets small mount, multi items Vertically and horizontally 2-8 covers quick-replaceable while weight reaches the heavy dies of 120t and wants large-scale multidirectional double acting Compound Extrusion hydraulic press It asks；

Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.

Claims

1. the heavy dies of multidirectional double acting hydraulic extrusion press preheat and fast replacement system, which is characterized in that automatic including mold Clamping device (1), mold mobile station apparatus (2), mold transport dual U-shaped trolley (3), die preheating furnace bottom device (4), set of molds Assembling platform device (5) and longitudinal rail assemblies (6), mold mobile station apparatus (2), die preheating furnace bottom device (4) and set of molds Assembling platform device (5) is sequentially arranged in the side of longitudinal rail assemblies (6), and is connected to longitudinal rail assemblies (6)；

The mold automatic clamping device (1) include 1-8 set automatic clamping device, be individually fixed in moved cross beam backing plate, on In pecker support, lower pecker support, the horizontal master cylinder of left/right and the end of cylinder plug of perforating, lower beam；Mold automated exchanged cutter Device (1) is respectively Wedge-type, V-type ring type and T connector rod-pulling type, respectively by 1 or 2 Driven by Hydraulic Cylinder, when mold is in hydraulic When the center of machine, under conditions of meeting given, by corresponding mold cramping or release；

The mold mobile station apparatus (2) includes mold moving bedplate, oil motor driving device, travel control device, mobile station Lifting device, positioning device and clamping device carry out mold laterally between hydraulic press and mold transport dual U-shaped trolley (3) It is mobile, and can be in the automatic center locating of the two and in hydraulic press center Automatic-clamping；

Mold transport dual U-shaped trolley (3) includes that the 2 U-shaped trolleies, walking system, each U-shaped that are connected by dumpling pin device are small Vehicle is provided with respective lifting device, hydraulic control device, electric control gear, power supply unit and positioning device, makes mold in liquid Longitudinal fast transportation, automatic positioning and automatic loading and unloading are carried out between press, preheating furnace and mold assembling position；

Die preheating furnace bottom device (4) includes the bottom device of 1-4 platform resistance preheating furnace, motor gear driving device, row Process control device and positioning device make mold carry out transverse shifting between preheating furnace and dual U-shaped trolley, and can be in the two Heart automatic positioning；

The mold assembly platform device (5) include 1-2 assembly platform, motor gear driving device, travel control device and Positioning device assembles mold in mold and carries out transverse shifting between position and dual U-shaped trolley, and can be automatically fixed at the center of the two Position；

The longitudinal rail assemblies (6) will pass in and out the transverse rails of hydraulic press, 1-4 platform preheating furnace and 1-2 mold assembling station Road connection together, enables dual U-shaped trolley to fast move and be accurately positioned between each station, ensure that mobile station, furnace Bottom and platform can accurately be docked with dual U-shaped trolley.

2. the heavy dies of multidirectional double acting hydraulic extrusion press according to claim 1 preheat and fast replacement system, special Sign is that the mold automatic clamping device (1) includes 8 sets of automatic clamping devices, successively are as follows:

1 set of 4 Wedge-type automatic clamping device of the backing plate two sides of moved cross beam are installed on, respectively by a piston-type hydraulic cylinder (111) it drives, when voussoir (112) stretches out, can the both sides of the upper extrusion die after positioning be fixed and be clamped, voussoir (112) When retraction, upper extrusion die can be spontaneously decoupled backing plate；

It is installed on 6 sets of pecker support, lower pecker support, the horizontal master cylinder of left/right and the end of perforation cylinder plug (125) V-type ring type automatic clamping device is respectively driven by 2 dual Piston hydraulic cylinders (121), be respectively used to pecker, lower pecker, The fixation and clamping of left/right lateral extrusion mold and pecker (124), 6 sets of V-type ring type automatic clamping devices according to mold V-type Clamp outer diameter, be designed to two V-type semi-rings (123) of corresponding diameter, any end of two V-type semi-rings (123) with one Hingedly, dual Piston hydraulic cylinder (121) is fixed on each pecker support or perforation cylinder plug to the piston rod (122) of double piston cylinder (125) on ring diameter, the V-type diameter of two semi-rings is become larger by two piston reverses direction movements, i.e. release mold, conversely, two Piston, which moves toward one another, becomes smaller the V-type diameter of two semi-rings, i.e. clamping mold, and it is suitable for straight that the installation of all molds, which is located through one, The taper male half coupling of diameter cooperates with the taper concave mouth of corresponding pecker support or the respective diameters of cylinder plug end to be positioned；

1 set of 4 T connector pull rod automatic clamping device (131) being installed in lower beam, 4 T connector pull rod automatic clamping devices (131) it is respectively driven by a piston-type hydraulic cylinder (132), fixation and folder for lower extrusion die and mobile station and lower bolster Tightly；4 T connector pull rod automatic clamping devices (131) are respectively by piston type rack cylinder (133) driving and T connector pull rod Coaxial gear shaft (134) rotation, after being rotated by 90 ° T connector pull rod, decline is retracted into lower bolster, so as to lower extrusion die Hydraulic press is passed in and out in more mold exchange with mobile station.

3. the heavy dies of multidirectional double acting hydraulic extrusion press according to claim 1 preheat and fast replacement system, special Sign is that the mold mobile station apparatus (2) is able to bear the service load of hydraulic press for installing lower mold, meanwhile, energy A full set of mold is turned to be transported into hydraulic press center from dual U-shaped trolley, can also be transported out from hydraulic press to dual U-shaped trolley；

The mold mobile station apparatus (2) includes moving bedplate (211), is oriented to below moving bedplate (211) equipped with two-wheel edge heavy It carries driven wheel (212), is run on 2 cross tracks (214) being fixed on hydraulic press lower beam backing plate (215), it is mobile 2 rack gears (213) are housed close to both sides of the edge below platen (211), it is adjustable by 2 speed being fixed on hydraulic press frame Oil motor-geared system (216) driving with gear reduction box；

It is orthogonal with the long rails of dual U-shaped trolley with the machine outside track extension of 2 cross track docking, for moving bedplate (211) transverse shifting between hydraulic press and dual U-shaped trolley and handling mold；

Cross track (214) corresponds to the position of 4 groups of 8 wheels in lower beam backing plate, is equipped with 4 groups of 8 short-stroke hydraulics Cylinder lifting meets moving bedplate (211) and lower beam backing plate with guiding device (217) to adapt to the lifting of moving bedplate (211) Disengaging and fitting；

It is equipped with lateral keyway below moving bedplate (211) transverse center, cooperates with the key (219) being arranged on lower beam backing plate, It realizes the longitudinal register of moving bedplate (211), 2 longitudinal keyways is additionally provided with below moving bedplate (211), with setting in lower bolster On from 4 short stroke hydraulic cylinders driving key (218) with, realize the located lateral of mobile station；

Mold positioning key (220) are equipped at the top of moving bedplate (211), are made by positioning key (220) with the keyway under die backing plate Mold is located on moving bedplate (211)；

Moving bedplate (211) at hydraulic press center together with die backing plate, by 4 T connector pull rod automatic clamping devices (131) Automatic-clamping is fixed by 4 clamping device through-holes (222) with lower beam backing plate；

Encoder (221) are coaxially installed with oil motor-geared system, the stroke for moving bedplate (211) controls, can be in liquid The automatic center locating of both press and dual U-shaped trolley, meanwhile, it is equipped at the front/rear end of moving bedplate (211) close to switch hair Device is interrogated, safety overflow valve and pressure sensor are equipped in hydraulic system；

The front end and/or rear end of moving bedplate (211) are equipped with the orbital plane cleaning device of spinning.

4. the heavy dies of multidirectional double acting hydraulic extrusion press according to claim 1 preheat and fast replacement system, special Sign is that mold transport dual U-shaped trolley (3) is the rail heavy duty trolley of 2 U-shaped lead frame structures, and there are two vehicles Position, connects into an entirety by dumpling pin device；

Each mold transport dual U-shaped trolley (3) is mounted on two-wheel edge and is oriented to heavily loaded adhesion wheel and heavily loaded driven wheel, each logical It crosses corresponding synchronizing shaft and is connected to gear-box, using the direct wheel drive of motor-gear transmission device of frequency control and self-propelled Formula operation；

Each mold transport dual U-shaped trolley (3) carries 1 set of hydraulic power unit, and high-pressure pump, fuel tank, valve comprising compact divide Device, filter, pipeline, hose and nipple and air cleaner are flowed, so that each mold is transported double U by part flow arrangement 4 molds jacking short stroke hydraulic cylinder on shape trolley (3) moves synchronously, and is used for die center, jacking and holding, works as short stroke When hydraulic cylinder is in extreme lower position, platform, furnace bottom and the mobile station of mold assembly platform device (5) either carry mold still Zero load can free in and out any one parking stall of mold transport dual U-shaped trolley (3)；When short stroke hydraulic cylinder is in highest order When setting, mold can be jacked up, so that platform, furnace bottom and the mobile station of mold assembly platform device (5) exit corresponding vehicle Position；During short stroke hydraulic cylinder heads on mold from extreme higher position backhaul to extreme lower position, mold can be unloaded mold In the platform of assembly platform device (5), furnace bottom or mobile station；Mold has either been unloaded, mold or mold jacking are still carried Short stroke hydraulic cylinder is in extreme lower position, is in extreme higher position, and dual U-shaped trolley can longitudinal free-running operation；

1 set of vertical taper pin positioning device for use is installed in each mold transport dual U-shaped trolley (3), is driven by short stroke hydraulic cylinder Cone pin extends downwardly, be inserted into be fixed on track foundation frame in the matched positioning orifice plate of cone pin, for operating in liquid Positioning before press, preheating furnace and mold assembling position；

Mold transport dual U-shaped trolley (3) have power supplier, including power switch cabinet, overhead cable drag chain device and Electric control gear, electric control gear setting can pass through the operation of forging operation room in the control cabinet of mold transport dual U-shaped trolley (3) It platform and and is operated with vehicle controller；

Encoder (321) are coaxially installed with motor-gear transmission device, the stroke control for mold transport dual U-shaped trolley (3) System can be assembled in hydraulic press, preheating furnace and mold and is automatically positioned before position；

The both ends of mold transport dual U-shaped trolley (3) moving direction are also equipped with limit journey protective device and the orbital plane of spinning is clear Clean device.

5. the heavy dies of multidirectional double acting hydraulic extrusion press according to claim 1 preheat and fast replacement system, special Sign is that the furnace bottom (411) of die preheating furnace bottom device (4) is rigid lead frame moveable structure, is equipped with mould Have vertical and horizontal positioning key (412) and bearing beam (413), is inserted by positioning key in the keyway of die backing plate, positions mold On furnace bottom (411), furnace bottom (411) upper surface is laid with refractory fiber block (414)；It is used between furnace bottom (411) and furnace body (415) Mechanical labyrinth formula and ceramic glue bondable fibers (416) band-like sealing；

Several two-wheel edge are installed on the chassis of furnace bottom (411) and are oriented to heavily loaded driven wheel (417), on being fixed on ground Run on 2 cross tracks (418), cross track (418) extend out out of preheating furnace it is orthogonal with long rails, below furnace bottom 2 rack gears (419) are housed close to both sides of the edge, by the motor-gear transmission device of 2 frequency control fixed on the ground (420) direct wheel drive, make furnace bottom preheating furnace and mold transport dual U-shaped trolley (3) between carry out transverse shifting and mold dress/ It comes out of the stove operation；

Encoder (421) are coaxially installed with motor-gear transmission device (420), the stroke for furnace bottom (411) controls, can In the automatic center locating of both preheating furnace and dual U-shaped trolley, meanwhile, it is equipped in the front end of furnace bottom and/or rear end close to switch Signal transmitter；

Furnace bottom (411) front end and/or rear end are equipped with the orbital plane cleaning device of spinning；

Furnace bottom (411) is operated by the electric control gear by furnace is arranged in, and electric control gear is connected with power supplier.

6. the heavy dies of multidirectional double acting hydraulic extrusion press according to claim 1 preheat and fast replacement system, special Sign is that the mold assembly platform device (5) is rigid lead frame moveable structure, is equipped with mold vertical and horizontal Positioning key (512) and platform (513) determine mold by mold vertical and horizontal positioning key (512) and the keyway of die backing plate Position is on platform (513)；

Two-wheel edge is installed below mold assembly platform (511) and is oriented to heavily loaded driven wheel (514), on being fixed on ground It is run on 2 cross tracks (515), cross track (515) is extended to the long rails of dual U-shaped trolley just from platform (513) It hands over, 2 rack gears (516) is housed below platform (513), by the motor-gear transmission dress of 2 frequency control fixed on the ground (517) direct wheel drive is set, platform (513) is assembled in mold and carries out transverse shifting and mold dress between position and dual U-shaped trolley Unload operation；

Encoder (518) are coaxially installed with motor-gear transmission device, the stroke for platform (513) controls, can be in mold The automatic center locating of both position and dual U-shaped trolley is assembled, meanwhile, close open is equipped in the front end of platform (513) and/or rear end Close signal transmitter；

Mold assembly platform (511) front end and/or rear end are equipped with the orbital plane cleaning device of spinning；

The electric control gear that mold assembly platform (511) is set on by platform by 1 operates, which is connected with power supply Device.

7. the heavy dies of multidirectional double acting hydraulic extrusion press according to claim 1 preheat and fast replacement system, special Sign is that the longitudinal rail assemblies of the dual U-shaped trolley include track foundation frame, track, rail pressing plate, washer and bolt, rail Road end elastic buffer, and be fixed on track foundation frame and two matched location holes of cone pin on dual U-shaped trolley Plate, long rails are orthogonal with hydraulic press, preheating furnace and mold the assembling cross track of position, and their connection are got up, and are used for mould The phloem-xylem transport of tool replacement front and back.

8. the heavy dies of multidirectional double acting hydraulic extrusion press preheat and quick change method, which comprises the following steps:

9. the heavy dies of multidirectional double acting hydraulic extrusion press according to claim 8 preheat and quick change method, special Sign is, is the detailed process of dual U-shaped trolley loading or unloading mold before mold assembles position are as follows:

When before the longitudinally running position to mold assembling in the parking stall 1# of dual U-shaped trolley, the parking stall the 1# vertical taper pin of the small car of dual U-shaped Stretching is inserted into track foundation frame positioning orifice plate, positions the parking stall 1#, and contactless limit switch sender assembles the flat of mold Platform is by electric gear motor and chain wheel drive, and into the parking stall 1# center, encoder sender, the horizontal taper pin of the parking stall 1#, which stretches out, to be inserted Enter into the dowel hole of platform, position platform, the mold jacking short stroke hydraulic cylinder of limit switch sender, the parking stall 1# jacks up The horizontal taper pin of mold on platform, limit switch sender, the parking stall 1# is extracted out of platform dowel hole, limit switch hair News, platform outputs the parking stall 1#, stops back to mold assembling position and sender, and then, the parking stall 1# vertical taper pin is from track foundation Frame is positioned in orifice plate and is extracted, and it is longitudinally running to preheating furnace prelocalization that the parking stall dual U-shaped trolley 1# carries mold, waits the furnace of preheating furnace Bottom unloads mold；

When the parking stall 2# of dual U-shaped trolley, which is carried, to be run to before mold assembling position from the replaced mold of hydraulic press, dual U-shaped is small The interior parking stall 2# vertical taper pin stretching is inserted into track foundation frame positioning orifice plate, positions the parking stall 2#, contactless limit Sender is switched, assembly platform is by electric gear motor and chain wheel drive, into the lower section of the parking stall 2# center die, encoder hair The parking stall the 2# horizontal taper pin stretching of news, the small car of dual U-shaped is inserted into the dowel hole of platform, positions platform, limit is opened Sender is closed, the mold jacking short stroke hydraulic cylinder of the parking stall 2# falls, mold is unloaded on platform, limit switch sender, 2# vehicle Position horizontal taper pin is extracted out of platform dowel hole, and limit switch sender, platform outputs the parking stall 2#, is assembled back to mold Position stops and sender, and the parking stall 2# vertical taper pin is extracted out of track foundation frame positioning orifice plate, and the parking stall dual U-shaped trolley 1# is longitudinally transported Row arrives preheating furnace prelocalization, waits the furnace bottom loading mold of preheating furnace.

10. the heavy dies of multidirectional double acting hydraulic extrusion press according to claim 8 preheat and quick change method, special Sign is, is the detailed process of dual U-shaped trolley loading or unloading mold before hydraulic press are as follows:

When the parking stall 1# of dual U-shaped trolley, which is carried, to be run from the mold after the preheating that preheating furnace loads to hydraulic press, make the parking stall 2# Before stopping at hydraulic press, the parking stall the 2# vertical taper pin stretching of the small car of dual U-shaped is inserted into track foundation frame positioning orifice plate, is made The parking stall 2# positions, contactless limit switch sender, and the clamping device of each mold has unclamped mold in hydraulic press, mobile station The mold unloaded down from hydraulic press is carried, by the driving driving of oil motor-geared system, into the parking stall 2# center, encoder sender, The parking stall the 2# horizontal taper pin stretching of the small car of dual U-shaped is inserted into the dowel hole of mobile station, makes mobile position estimation, limit is opened Sender is closed, the mold jacking short stroke hydraulic cylinder of the parking stall 2# jacks up the mold in mobile station, limit switch sender, the parking stall 2# level Cone pin is extracted out of mobile station dowel hole, and limit switch sender, mobile station outputs the parking stall 2#, back to hydraulic press in stop Only and sender；

Then, vertical taper pin is extracted out of track foundation frame positioning orifice plate, and the parking stall 1# of dual U-shaped trolley is made to run and stop at Before hydraulic press, the vertical taper pin stretching of the parking stall 1# is inserted into track foundation frame positioning orifice plate, positions the parking stall 1#, contactless Limit switch sender, mobile station is by oil motor-geared system driving driving, into below the centrical mold of 1# vehicle, encoder Sender, the stretching of the parking stall 1# horizontal taper pin are inserted into the dowel hole of mobile station, make mobile position estimation, limit switch sender, The mold jacking short stroke hydraulic cylinder of the parking stall 1# is fallen on mold to mobile station, limit switch sender, the parking stall 1# horizontal taper pin It is extracted out of mobile station dowel hole, limit switch sender, mobile station outputs the parking stall 2#, stops concurrently back to hydraulic press is interior News；

Later, vertical taper pin in the parking stall 1# is extracted out of track foundation frame positioning orifice plate, and the parking stall dual U-shaped trolley 2# carries under replacement The mold come is longitudinally running, or in preheating furnace prelocalization, mold is unloaded in preheating furnace, or assembles position prelocalization in mold, Mold is unloaded on assembly platform；

When mobile station carries mold back to 4 groups of 8 short stroke liquid after stopping in hydraulic press and sender, in hydraulic press lower bolster Cylinder pressure decline, the wheel of mobile station decline therewith, are bonded mobile station with lower bolster, meanwhile, below mobile station transverse center Lateral keyway cooperates with the key on lower bolster, realizes the longitudinal register of moving bedplate, longitudinal keyway below mobile station, under On backing plate from 2 short stroke hydraulic cylinders driving key with, realize the located lateral of mobile station, it is then, hydraulic by 4 T-types Clamping device is by die backing plate together with mobile station Automatic-clamping；

Hereafter, each main-cylinder stroke is contacted to setting position with corresponding mold, is distinguished by corresponding mold automatic clamping device Clamping mold, then, each master cylinder backhaul, so as to complete the quick-replaceable of new and old mold.