CN205926976U - Forging press with ejection mechanism - Google Patents

Abstract

The utility model discloses a forging press with ejection mechanism, its technical scheme main points are, including the workstation, be equipped with the bed die on the workstation, the bed die top is equipped with the mould, is equipped with in the bed die to be used for the start building ejector pin of piece of top, is connected with the driving piece that is used for driving the ejector pin up -and -down motion on the ejector pin, and the tip of ejector pin is equipped with the ejecting head that flushes with the bed die inner wall, and the ejector pin tip inserts ejecting first bottom surface, is equipped with the mutual through -hole that corresponds on ejecting head and the ejector pin, is equipped with the adapter sleeve in the through -hole, and the adapter sleeve passes ejecting head and ejector pin. Ejecting head is inserted with the ejector pin and is closed, and head ejecting so only needs the adapter sleeve of the inside to take out in the use if when deformation etc. Need to be changed, just can accomplish the dismantlement, and then load onto new ejecting head, reinserts the connector and just can accomplish the installation, has realized its detachable ability, and its simple structure effect is obvious, and the adapter sleeve can use repeatedly moreover, the change be ejecting head.

Description

Forging press with ejecting mechanism

Technical field

This utility model is related to forging equipment, particularly to a kind of forging press with ejecting mechanism.

Background technology

Forging press is the hydraulic press or punching machine that thermal state metal is forged, and is widely used in precision forging, Efficiency high, precision is good.In forging, need workpiece to be forged is placed in lower mould, pressure end drives mold to push, Workpiece press forging is finished enough processing effects.

After to workpiece press forging, need to take out workpiece using fire tongs, because the workpiece that just press forging finishes can be tighter Being stuck under in mould, need extra carrying out to eject when taking-up.Existing notification number is that the China of CN204603187U is special Profit discloses a kind of forging press of leukorrhagia material jacking mechanism, its can pass through push rod effect by the good workpiece of mould press forging from Eject on lower mould, but in actual applications, because push rod pushes effect to workpiece, be easily locally subject in the end of push rod Heat is serious, and during long-time use, surface easily produces deformation, is like this accomplished by replacing whole push rod, causes The increase of production cost.

Utility model content

In view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of push rod position easy to wear permissible The forging press changed.

Above-mentioned technical purpose of the present utility model technical scheme is that：One kind carries ejecting mechanism Forging press, including workbench, described workbench is provided with lower mould, is provided with mold above described lower mould, described It is provided with the push rod for pushing workpiece in lower mould, described push rod is connected with the actuator for driving push rod to move up and down, The end of described push rod is provided with the ejection head flushing with lower mould inner wall, described push rod end insertion described ejection head bottom surface, institute State ejection head and be provided with mutually corresponding through hole with described push rod, be provided with adapter sleeve in described through hole, described adapter sleeve passes through institute State ejection head and push rod.

By technique scheme, eject head and plug together with push rod, so eject head in use if there is It is only necessary to the adapter sleeve of the inside is extracted out when deformation etc. needs to change, just can complete to dismantle, then again by new ejection head Install, then union joint is reinserted just can complete to install it is achieved that its dismountable ability, its structure simple effects is bright Aobvious, and adapter sleeve can be with Reusability, the simply ejection head of replacing.

This utility model is further arranged to：Described adapter sleeve outer wall and described through-hole wall are coordinated by screw thread.

By technique scheme, the attachment structure of screw thread, it is easy to the dismounting of adapter sleeve it is only necessary to incite somebody to action using die nut Its rotation just can complete to extract out, eliminates the process being knocked out using hammer etc..

This utility model is further arranged to：The section structure in T shape of described ejection head.

By technique scheme, because its section is T-shaped, the upper edge of therefore ejection head protrudes, this If sample it is ensured that ejection the crown go out after can be stable return so as to return to original position after plane can be with lower mould thereon The inner chamber of tool keeps flushing.

This utility model is further arranged to：It is arranged with the middle guide fixing with lower mould outside described push rod.

By technique scheme, the structure of middle guide it can be avoided that push rod and the directly friction with lower mould of ejection head, Avoid mould under push rod is scratched during pushing with ejection head, middle guide can be in order to changing it is ensured that unitary mould Structure.

This utility model is further arranged to：Described push rod is made up of beryllium-bronze.

By technique scheme, beryllium-bronze has extremely excellent heat conductivility, also has both enough structural strengths simultaneously, complete The weight that must play workpiece all can enough be supported, such beryllium-bronze is easily walked the heat absorption of ejection head surface it is ensured that ejecting It is higher that the temperature of head will not rise.

This utility model is further arranged to：Described actuator is cylinder.

By technique scheme, the actuating speed of cylinder is very fast, quickly can rise push rod, then quickly Push rod is lowered, compared to this actuating speed of hydraulic cylinder can accelerate workman by workpiece take out on lower mould when Between, improve the production efficiency of forging.

In sum, this utility model having the beneficial effect that in contrast to prior art：During forging, can be by Ejection head through deformation is changed, and changes very convenient.And section is T-shaped ejection head cooperation upper cylinder Structure, ejection head, when return, can steadily return to accordingly inside middle guide, and cylinder can be pulled by push rod and eject Head so that its lower surface is fitted with middle guide upper surface all the time it is also possible to its upper surface is and lower mould after ensureing to eject head return Tool inwall laminating it is ensured that accurate when its press forging.The radiating of its push rod is excellent simultaneously, can effectively ejection head be carried out Radiating, reduces the replacement frequency of ejection head.

Brief description

Fig. 1 is the structure chart of embodiment；

Fig. 2 is the partial sectional view at the push rod of embodiment.

Reference：1st, workbench；2nd, lower mould；31st, push rod；32nd, eject head；33rd, through hole；34th, adapter sleeve；4th, lead in Cylinder；5th, actuator.

Specific embodiment

Below in conjunction with accompanying drawing, this utility model is described in further detail.

A kind of forging press with ejecting mechanism, including workbench 1, described workbench 1 is provided with lower mould 2, institute State and be provided with mold above lower mould 2, above mold, be connected with pressure end, pressure end can be under the driving of motor, up and down Motion, can drive the up and down motion of mold simultaneously, be provided with the push rod 31 for pushing workpiece in described lower mould 2, described Actuator 5 for driving push rod 31 to move up and down is connected with push rod 31, the end of described push rod 31 be provided with lower mould 2 in The ejection 32 that wall flushes.

When forging, need to put the workpiece in mould, then pressure end declines, drive mold and lower mould 2-in-1 hold together, press forging workpiece, after press forging completes, on mold move, thus separating with lower mould 2, then actuator 5 drive push rod Workpiece is separated above lower mould 2 inwall by 31 cooperation ejections 32, and workpiece clamp is being walked by workman using fire tongs, then ejects head 32 continue aforesaid operations so that forging and stamping cycle of operation is reciprocal with push rod 31 return, the next workpiece of workman's clamping.

The end of described push rod 31 is provided with the ejection 32 flushing with lower mould 2 inwall, and institute is inserted in described push rod 31 end State ejection 32 bottom surface, described ejection 32 is provided with mutually corresponding through hole 33 with described push rod 31, sets in described through hole 33 There is adapter sleeve 34, described adapter sleeve 34 passes through described ejection 32 and push rod 31.

As shown in Fig. 2 the described ejection of described push rod 31 end insertion 32 bottom surface, push rod 31 top is provided with a protrusion End, is inserted into inside ejection 32, both plug together together.It is radially provided with described ejection 32 and push rod 31 cooperation and pass through Wear both through holes 33, adapter sleeve 34 outer wall is coordinated by screw thread with described through hole 33 inwall.When changing ejection 32, Need first to rise push rod 31 and separate with lower mould 2 so that eject 32, then using die nut by adapter sleeve 34 from ejection 32 screw out a part above, and adapter sleeve 34 can be allowed to separate with the through hole 33 on push rod 31, then will eject 32 from push rod 31 Upper spiral is back-outed just permissible.If necessary to new ejection 32 is installed it is only necessary to will return just in said process It is capable of.It is only necessary to be dismantled when so ejection 32 needs to change if there is deformation etc. in use Get off, just can complete to dismantle, then just can complete to install it is achieved that its dismountable ability by new screwing back up again. Push rod 31 is multiple with the quantity of ejection 32, is distributed in the inwall of lower mould 2, during ejection, being capable of strength More uniformly the ejection of whole workpiece is carried out the stability it is ensured that in its ejection process.

Wherein, it is arranged with middle guide 4, described middle guide 4 inwall and the ejection fixing with lower mould 2 outside described push rod 31 32, push rod 31 is in that gapless is arranged.The structure of middle guide 4 is it can be avoided that push rod 31 is direct with ejection 32 and lower mould 2 Friction, it is to avoid push rod 31 scratch during pushing with ejection 32 under mould 2, middle guide 4 can in order to changing it is ensured that The structure of unitary mould.And eject 32 section structure in T shape, ejection 32 when return lower surface just with Middle guide 4 is fitted, and because its section is T-shaped, the upper edge of therefore ejection 32 protrudes, like this it is ensured that Return that can be stable after ejection 32 ejection so as to return to original position after plane can be with the inner chamber of lower mould 2 thereon Holding flushes.

Further, actuator 5 is cylinder, and described push rod 31 is made up of beryllium-bronze, and the piston rod of cylinder is directly welded with push rod 31 It is connected together.Beryllium-bronze has extremely excellent heat conductivility, also has both enough structural strengths simultaneously, is fully able to support and must play work The weight of part, such beryllium-bronze is easily walked the heat absorption on ejection 32 surface it is ensured that the temperature ejecting 32 will not Rise is higher.Cylinder is to be connected with air pump in Factory Building, and workbench 1 is provided with the switch for controlling air pump work, Ren Menke The flexible of push rod 31 is controlled with operation cylinder.The actuating speed of cylinder is very fast, can quickly by push rod 31 liters get up, Then quickly push rod 31 is lowered, workman can be accelerated by workpiece from lower mould 2 compared to this actuating speed of hydraulic cylinder The time of upper taking-up, improve the production efficiency of forging.

The above is only exemplary embodiment of the present utility model, not for restriction protection model of the present utility model Enclose, protection domain of the present utility model is determined by appended claim.

Claims (2)

1. a kind of forging press with ejecting mechanism, including workbench（1）, described workbench（1）It is provided with lower mould （2）, described lower mould（2）Top is provided with mold, described lower mould（2）Inside it is provided with the push rod for pushing workpiece（31）, institute State push rod（31）On be connected with for driving push rod（31）The actuator moving up and down（5）, it is characterized in that：Described push rod（31）'s End is provided with and lower mould（2）The ejection head that inwall flushes（32）, described push rod（31）Described ejection head is inserted in end（32）Bottom Face, described ejection head（32）With described push rod（31）It is provided with mutually corresponding through hole（33）, described through hole（33）The inside company of being provided with Female connector（34）, described adapter sleeve（34）Through described ejection head（32）With push rod（31）, described adapter sleeve（34）Outer wall with described Through hole（33）Inwall is coordinated by screw thread, described push rod（31）Outside is arranged with and lower mould（2）Fixing middle guide（4）.

2. the forging press with ejecting mechanism according to claim 1, is characterized in that：Described actuator（5）For gas Cylinder.