A kind of liftout attachment that is used for forcing press
Technical field:
The utility model belongs to machinery manufacturing technology field, refers in particular to a kind of liftout attachment that makes forcing press eject workpiece automatically.
Background technology:
Forcing press is the machinery that carries out pressure processing, in use generally need control material forming with mould, after shaping, usually need product be ejected from mould, therefore requires preferably to be equipped with on the forcing press liftout attachment.In practical application, most of medium-and-large-sized forcing presses can dispose liftout attachment, and baby press often do not dispose liftout attachment with simplified structure, reduce cost, this makes troubles with regard to the application of giving baby press.
The solution of this problem has two types usually: the one, and the mechanical liftout attachment of design special is accomplished and is ejected on mould, and the 2nd, on equipment, install liftout attachments such as liftout tank additional.The former can increase the complexity of mould, the more important thing is that each replacing new die all need increase liftout attachment in mould; The latter can disposable solution eject problem, but complex structure, cost is higher, and economy is relatively poor.
Summary of the invention:
The purpose of the utility model is to propose a kind of cost liftout attachment that is used for forcing press very low, simple in structure, quick for installation.
The utility model is achieved in that
A kind of liftout attachment that is used for forcing press, the slide block below is fixed with patrix, and counterdie is fixed on the workbench, is formed with the Workpiece shaping chamber after patrix and the counterdie pressing, the moving ejecting mechanism that ejects workpiece of shipper pole on being provided with by slide block below the workbench.
Above-mentioned ejecting mechanism is: the bottom in the Workpiece shaping chamber on counterdie is provided with necking part; Be formed with step between necking part and the Workpiece shaping chamber; Workbench is provided with the through hole with the necking part coaxial line; Step is provided with movable block; Be provided with axis in the both sides of through hole parallel with through-bore axis and run through the through hole of workbench, patrix and counterdie, and the position corresponding to through hole on slide block is respectively arranged with screwed hole, and the upper end of push rod is arranged in the through hole, through hole is stretched out in the bottom; Push rod is connected through an end of supporting plate and long bolt, and the through hole that the other end of long bolt passes on workbench, counterdie and the patrix successively is screwed onto in the screwed hole on the slide block.
The concrete structure that the end of above-mentioned push rod through supporting plate and long bolt is connected is: be provided with the installing hole with the bottom interference fit of push rod at the middle part of supporting plate; The bottom of push rod is connected through the installing hole interference fit with supporting plate; The both sides of installing hole are respectively arranged with the long bolt via hole on supporting plate, and long bolt is sleeved in the long bolt via hole.
Be provided with locking device between the above-mentioned long bolt.
Above-mentioned locking device is: the head at two long bolts is provided with through hole, in through hole, is equipped with the iron wire that two long bolts are locked.
Above-mentioned patrix is fixed on the slide block below through press plate mechanism, and counterdie is fixed on the workbench through press plate mechanism.
The utility model is compared the outstanding advantage of prior art:
1, the utility model is realized ejecting by slide block power, need not to increase power, saves the energy;
2, the utility model is simple in structure, is easy to make, and need simply transform equipment: on upper die and lower die, slide block, punch, improvement cost is low;
3, the frame for movement of the ejecting mechanism of the utility model is detachable, installs additional when needing, and can unload when not required, and equipment still can original state work, and it is convenient to load and unload, and need not complicated operations in the use, easy and simple to handle;
4, the ejecting mechanism highly versatile of the utility model goes for different dies;
5, the ejecting force of the utility model is bigger, can correspondingly reduce the depanning gradient, improves the product precision;
6, the utility model is used for ejecting automatically the product in the mould.
Description of drawings:
Fig. 1 is the cutaway view of the utility model.
The specific embodiment:
With specific embodiment the utility model is further described below, referring to Fig. 1:
A kind of liftout attachment that is used for forcing press, slide block 1 below is fixed with patrix 2, and counterdie 3 is fixed on the workbench 4, is formed with the Workpiece shaping chamber after patrix 2 and counterdie 3 pressings, the moving ejecting mechanism that ejects workpiece 5 of shipper pole on being provided with by slide block 1 below the workbench 4.
Above-mentioned ejecting mechanism is: the bottom in the Workpiece shaping chamber on counterdie 3 is provided with necking part; Be formed with step between necking part and the Workpiece shaping chamber; Workbench 4 is provided with the through hole with the necking part coaxial line; Step is provided with movable block 6; Be provided with axis in the both sides of through hole parallel with through-bore axis and run through the through hole of workbench 4, patrix 2 and counterdie 3, and the position corresponding to through hole on slide block 1 is respectively arranged with screwed hole, and the upper end of push rod 7 is arranged in the through hole, through hole is stretched out in the bottom; Push rod 7 is connected through the end of supporting plate 8 with long bolt 9, and the through hole that the other end of long bolt 9 passes on workbench 4, counterdie 3 and the patrix 2 successively is screwed onto in the screwed hole on the slide block 1.
The concrete structure that the end of above-mentioned push rod 7 through supporting plate 8 and long spiral shell 9 bars is connected is: be provided with the installing hole with the bottom interference fit of push rod 7 at the middle part of supporting plate 8; The bottom of push rod 7 is connected with the installing hole interference fit of supporting plate 8; Both sides at the installing hole of supporting plate 8 are respectively arranged with the long bolt via hole, and long bolt 9 is sleeved in the long bolt via hole.
Be provided with locking device between the above-mentioned long bolt 9.
Above-mentioned locking device is: the head at two long bolts 9 is provided with through hole, in through hole, is equipped with the iron wire that two long bolts 9 are locked.
Above-mentioned patrix 2 is fixed on slide block 1 below through press plate mechanism, and counterdie 3 is fixed on the workbench 4 through press plate mechanism.Press plate mechanism comprises pressing plate 10, screw 11, nut 12 and cushion block 13.
The utility model utilizes slide block 1 backhaul of forcing press to drive the liftout attachment action, and frame for movement is simple, need not to be provided with devices such as liftout tank.For the forcing press that does not have liftout attachment, can obtain to eject function with this device.Ejection stroke is bigger, and maximum can equal ram travel, especially is fit to ejecting of dark die cavity formed product.
Method for using of the utility model and hints on operation:
(1) the utility model is a detachable apparatus, when needs eject, installs, and can unload when not required.
(2) eject action and lean on long bolt 9 to transmit, on slide block 1, need make a call to two screwed holes, in mould, will reserve the long bolt hole and supply its existence and mobile.
(3) through the screw-in depth of adjustment long bolt 9 in slide block 1, can adjust effective ejection stroke of liftout attachment, eject needs to adapt to.
(4) supporting plate 8 is passed to push rod 7 with ejecting force, and workbench 4 need be reserved the hole that supplies push rod 7 and long bolt 9 to pass through, and the distance between workbench 4 and the supporting plate 8 must be enough big simultaneously, can not hindered by workbench when up with assurance supporting plate 8.
(5) can produce downward active force in the process that mould forms workpiece 5, this power is born by the counterdie 3 of mould and movable blocks 6 in the counterdie 3, is not delivered on the push rod 7.
The foregoing description is merely one of preferred embodiment of the utility model; It is not the practical range that limits the utility model with this; So: the equivalence that all shapes according to the utility model, structure, principle are done changes, and all should be covered by within the protection domain of the utility model.