CN106890919A - Can cold forging machine capable of forging two ends - Google Patents

Abstract

Can cold forging machine capable of forging two ends the present invention relates to one kind.Mainly solving existing Cold header can not realize the disposable completion technique upset to blank two.It includes frame, Material moving device, upset head mould, first die mechanism, drive mechanism, the charging hole stretched into for blank is provided with frame, the Material moving device is made up of the first thrust gear and the second thrust gear, also include the mould heart, second die mechanism, the mould heart is made up of for clamping blank the left half module heart and the right half module heart, the straight reciprocating motion end of first thrust gear is fixedly connected with the left half module heart, the straight reciprocating motion end of second thrust gear is fixedly connected with the right half module heart, second die mechanism is used to drive lower mould to do straight reciprocating motion；First die mechanism and second die mechanism are engaged end simultaneously equal with blank and form the cooperation of first time top pressure, and the second die mechanism is additionally operable to lower mould and the blank forms second top pressure, blank is departed from lower mould.

Description

Can cold forging machine capable of forging two ends

Technical field

The present invention relates to a kind of Cold header, specifically one kind can cold forging machine capable of forging two ends.

Background technology

, it is necessary to two of the blank of cylinder is upset, diameter of the formation two diameter slightly larger than middle part in the processing technology of annular rigging.To realize This purpose, is first first processed into only one upset embryo material using Cold header by blank, then the embryo material punch press is upset by other end embryo material. This processing technology is complicated and production cost is high.

Cold header in the market includes frame, drive mechanism, mould, feed mechanism, cutting machine structure, Material moving device, die mechanism.Its In, drive mechanism is mainly made up of motor, reducing gear, bent axle.Die mechanism is mainly made up of connecting rod, ram.Mould is located in frame, sliding Pillow slides with frame and coordinates, and drive mechanism is used to drive ram to be slided in frame.It is circular that feed mechanism is used for section is processed by straightening Steel wire is sent to specified cutting machine structure station, and cutting machine structure is used to cutting off the blank that steel wire forms cylinder, Material moving device by blank be transplanted on dynamic model and Between quiet mould, die mechanism is used to that blank to be advanced in mould and upset by one of blank, the Cold header of the formation punching of one mould two.This structure Cold header can only be upset by one end of blank, also need to use punch press again that the other end of blank is upset to form all upset embryo material in two, no Can reach directly pass through Cold header by all upset purpose in two of blank.

The content of the invention

In order to overcome the shortcomings of background technology, the present invention provide one kind can cold forging machine capable of forging two ends, it can be all upset by blank two.

The technical solution adopted by the present invention is that one kind can cold forging machine capable of forging two ends, including frame, die mechanism, Material moving device, upset head mould, driving machine Structure, is provided with the charging hole stretched into for blank in frame, and the Material moving device is made up of the first thrust gear and the second thrust gear, the punch die By the first die mechanism and the second die mechanism, also including the mould heart, the mould heart is made up of the left half module heart and the right half module heart, the left half module for mechanism The heart and the right half module heart are offseted with frame, and semi-circular recesses, the left half module heart are equipped with the heart in the left half module heart, the right half module It is engaged for clamping blank with the right half module heart, the straight reciprocating motion end of first thrust gear is fixedly connected with the left half module heart, is used for Drive the left half module heart to move back and forth, the groove of the left half module heart have be right against charging hole position, be right against the position of upset head mould with And relative to the upset head mould slightly toward first thrust gear position, straight reciprocating motion end and the right half module of second thrust gear The heart is fixedly connected, and for driving the right half module heart to move back and forth, the groove of the right half module heart has and is right against charging hole and is right against upset head mould Position, upset head mould is mainly made up of upper die and lower die, and first die mechanism, second die mechanism are respectively positioned at the two of the mould heart Side, the straight reciprocating motion end of first die mechanism is fixedly connected with upper mould, and lower mould is arranged in frame, and lower mould forms sliding and matches somebody with somebody with frame Close, second die mechanism is used to drive lower mould to do straight reciprocating motion；Blank is in the position for being right against upset head mould, first punch die Mechanism and second die mechanism are engaged, and the end for making upper die and lower die simultaneously equal with blank respectively forms first time top pressure and coordinates, phase For the upset head mould slightly toward first thrust gear position, the second die mechanism is additionally operable to lower mould and the blank and forms second to push up Pressure, makes blank depart from lower mould.

On the basis of such scheme and as the preferred scheme of such scheme：Second die mechanism is main by the first cam, rocking arm, coupling bar, pendulum Arm, arm shaft, the second cam, swing arm bracing strut, heading swing arm, heading oscillating arm bracket, stage clip, extension spring composition, swing arm bracing strut and frame It is fixedly connected, arm shaft can circumferentially rotate connection relative to swing arm bracing strut, the second cam is connected and the second cam and heading swing arm with arm shaft Form top pressure to coordinate, the first cam is connected with the transmission of crankshaft of drive mechanism, and rocking arm is hinged with frame, and rocking arm can the company of circumferentially rotating relative to frame Connect and rocking arm and the first cam form top pressure and coordinate, the two ends of coupling bar are hinged with rocking arm, swing arm respectively, and heading oscillating arm bracket is fixed with frame and connected Connect, heading swing arm is hinged with heading oscillating arm bracket, mould coordinates into top pressure under the end of heading swing arm, the two ends of stage clip respectively with frame and guide rod phase To making guide rod to heading swing arm side shifting, the two ends of extension spring are connected with frame and swing arm respectively.

On the basis of such scheme and as the preferred scheme of such scheme：First cam have the first convex portion and the second convex portion, the first convex portion, Second convex portion is used to make heading swing arm form top pressure cooperation respectively with lower mould.

Specific embodiment

The present invention can cold forging machine capable of forging two ends, including frame, die mechanism, Material moving device, upset head mould, drive mechanism are provided with frame and supply hair The charging hole that base is stretched into, the Material moving device is made up of the first thrust gear and the second thrust gear, and the die mechanism is by the first die mechanism and Two die mechanisms, also including the mould heart, the mould heart is made up of the left half module heart and the right half module heart, and the left half module heart and the right half module heart are and frame Offset, semi-circular recesses are equipped with the heart in the left half module heart, the right half module, the left half module heart and the right half module heart are engaged for pressing from both sides Blank is held, the straight reciprocating motion end of first thrust gear is fixedly connected with the left half module heart, for driving the left half module heart to move back and forth, The groove of the left half module heart have be right against charging hole position, be right against upset head mould position and relative to the upset head mould slightly toward The position of first thrust gear, the straight reciprocating motion end of second thrust gear is fixedly connected with the right half module heart, for driving described right half The mould heart is moved back and forth, and, with being right against charging hole and being right against the position of upset head mould, upset head mould is mainly by upper die and lower die for the groove of the right half module heart Composition, first die mechanism, second die mechanism are respectively positioned at the both sides of the mould heart, the linear reciprocation fortune of first die mechanism Moved end is fixedly connected with upper mould, and lower mould is arranged in frame, and lower mould forms sliding and coordinates with frame, and second die mechanism is used to drive lower mould to do Straight reciprocating motion；Blank is in the position for being right against upset head mould, and first die mechanism and second die mechanism are engaged, are used for Make upper die and lower die end simultaneously equal with blank respectively form first time top pressure to coordinate, relative to the upset head mould slightly toward the described first passage machine The position of structure, the second die mechanism is additionally operable to lower mould and forms second top pressure with the blank, blank is departed from lower mould.The course of work of the invention is： Blank enters in frame from charging hole, and now the groove of the right half module heart is located at just to the position of charging hole, and the first thrust gear drives the left half module heart to move The groove for moving the left half module heart is just engaged and for blank to be fixed on the chamber that two grooves are formed to the position of charging hole, the left half module heart and the right half module heart It is interior；Afterwards, a pusher and the second thrust gear are pushed away while driving the left half module heart and the right half module heart to be moved to upset head mould direction respectively, now, The suitable damped part of the left half module heart, for coordinating the left half module heart that blank is fixed in groove, in this moving process, blank is cut off in realization (being provided with carbide bit in the end of charging hole, this is as good as with prior art), blank is finally moved into and is right against the position of upset head mould simultaneously And blank is detained on the position, during the delay, the first die mechanism drives upper mould to form top pressure to blank, and by the other end of blank Release groove；Now the second die mechanism also forms top pressure to lower mould, forms the first die mechanism and the second die mechanism and blank is entered simultaneously respectively Row upsetting；After completing upsetting, the second thrust gear drives the right half module heart to be moved to the position for being right against charging hole；To realize smooth blanking, the One thrust gear then drive the left half module heart to relative to the upset head mould slightly toward first thrust gear position, i.e., it is anti-with the right half module heart To motion；During the left half module heart deviates just to upset head mould, the second die mechanism forms top pressure and coordinates with lower mould again, makes after upsetting section Blank depart from lower mould；After the completion of, the first thrust gear drives the left half module heart to be moved to the position just to charging hole again.The present invention is by setting First die mechanism, the second die mechanism and Material moving device, not only realize the purpose to blank two ends all jumping-ups, and the first die mechanism and Second die mechanism carries out upsetting to the two ends of blank respectively, makes the two ends upsetting formation effect of blank good.In the present invention, in the mould heart and frame Between can also increase backing plate to avoid frame from wearing and tearing.

First die mechanism is mainly made up of connecting rod, ram, and it is as good as with prior art, and the two ends of connecting rod are connected with ram and bent axle respectively, ram peace In frame, bent axle, connecting rod, ram form slider-crank mechanism.In this implementation row, ram is straight reciprocating motion end.As this reality The direct deformation of example is applied, the first die mechanism can also be formed by cylinder or hydraulic cylinder.Controller controlled by controlling magnetic valve cylinder or Hydraulic cylinder works, make cylinder or the second die mechanism of hydraulic cylinder cooperation carry out upsetting to blank.Wherein, the piston of ram, cylinder or hydraulic cylinder Bar is straight reciprocating motion end.

Claims (3)

1. one kind can cold forging machine capable of forging two ends, including frame, die mechanism, Material moving device, upset head mould, drive mechanism are provided with frame and supply blank The charging hole for stretching into, it is characterised in that：The Material moving device is made up of the first thrust gear and the second thrust gear, and the die mechanism is by first Die mechanism and the second die mechanism, also including the mould heart, the mould heart is made up of the left half module heart and the right half module heart, the left half module heart and described right half The mould heart is offseted with frame, and semi-circular recesses, the left half module heart and the right half module heart are equipped with the heart in the left half module heart, the right half module It is engaged for clamping blank, the straight reciprocating motion end of first thrust gear is fixedly connected with the left half module heart, for driving the left half module heart Move back and forth, the groove of the left half module heart has and is right against the position of charging hole, is right against the position of upset head mould and relative to the heading mould Has the position slightly toward first thrust gear, the straight reciprocating motion end of second thrust gear is fixedly connected with the right half module heart, for band Move the right half module heart to move back and forth, the groove of the right half module heart is with being right against charging hole and being right against the position of upset head mould, and upset head mould is main It is made up of upper die and lower die, first die mechanism, second die mechanism are respectively positioned at the both sides of the mould heart, first die punching machine The straight reciprocating motion end of structure is fixedly connected with upper mould, and lower mould is arranged in frame, and lower mould forms sliding and coordinates with frame, second die mechanism For driving lower mould to do straight reciprocating motion；Blank is in the position for being right against upset head mould, first die mechanism and second die punching machine Structure is engaged, and the end for making upper die and lower die simultaneously equal with blank respectively forms first time top pressure and coordinates, slightly biased relative to the upset head mould To the position of first thrust gear, the second die mechanism is additionally operable to lower mould and forms second top pressure with the blank, blank is departed from lower mould.

2. according to claim 1 can cold forging machine capable of forging two ends, it is characterised in that：Second die mechanism is main by the first cam, rocking arm, connection Extension bar, swing arm, arm shaft, the second cam, swing arm bracing strut, heading swing arm, heading oscillating arm bracket, stage clip, extension spring composition, arm shaft branch Frame is fixedly connected with frame, and arm shaft can circumferentially rotate connection relative to swing arm bracing strut, and the second cam is connected and the second cam with arm shaft Top pressure is formed with heading swing arm to coordinate, the first cam is connected with the transmission of crankshaft of drive mechanism, and rocking arm is hinged with frame, and rocking arm can relative to frame Circumferentially rotate connection and rocking arm and the first cam form top pressure and coordinate, the two ends of coupling bar are hinged with rocking arm, swing arm respectively, heading oscillating arm bracket and Frame is fixedly connected, and heading swing arm is hinged with heading oscillating arm bracket, and mould coordinates into top pressure under the end of heading swing arm, the two ends of stage clip respectively with machine Frame and guide rod offset makes guide rod to heading swing arm side shifting, and the two ends of extension spring are connected with frame and swing arm respectively.

3. according to claim 2 can cold forging machine capable of forging two ends, it is characterised in that：First cam has the first convex portion and the second convex portion, and first is convex Portion, the second convex portion are used to make heading swing arm form top pressure cooperation respectively with lower mould.