The present invention relates to decompressor field, particularly relate to a kind of punching die.
In stamping parts production process, part needs to need individually designed one secondary punching die during punching, completes on part
The processing in hole.Traditional punching die structure includes upper bolster, material pressing core, drift, punching concave die, die shoe etc., when running into shape
Such as the type semienclosed part of " several " word of Fig. 1, punching position is when feature side-wall, in addition it is also necessary to carry out side blow processing, increases wedge
Device, it is complicated that this results in punching die structure, and installation and debugging difficulty increases, and the time cycle of Design and Machining assembling increases.Special
It not then to need to process drift and punching concave die when the hole size of some part needs design alteration, carry out again repeating
Bedding-in and processing.
This traditional punching die structure is complicated, relatively costly, installation and debugging difficulty, the adaptability to product demand
Difference, it is impossible to switch the size of punching as required, motility is not enough.This case devises a kind of half envelope for " several " word
The cantilever type punching die tool of closed form part, it is not necessary to side blow is processed, and square impact can complete the needs of part punching, and design spy
Levy middle die and drift can switch very easily, thus can as required punching size flexibility within the specific limits regulation
Different drifts and cavity die structure, be reduced to produce different pore size stamping parts and repeat to process the cost even repeating die sinking.This kind
Cantilever switchable type punching die structure is simple, manufactures processing cost low, flexible can mate different punching demands, greatly local
Traditional punching die, for such as font part 1a a few in Fig. 1, generally uses the processing mode of side blow, needs volume
Outer increasing installs side blow Cam device, and mould structure is more complicated, and manufacturing cost is high.
Summary of the invention
The present invention provides a kind of punching die, more multiple to mould during a few font parts punching to solving in prior art
The present invention provides a kind of punching die to achieve these goals, and it is used for the parts punching of several fonts, including:
Die shoe；Upper bolster；Upper fixed block, it is fixed on the bottom surface of upper bolster；Lower fixed block, it is arranged on the end face of die shoe；Punching
Hole die, described punching concave die protrudes horizontally up along the middle part of described lower fixed block, longitudinal offering in described punching concave die
One hole, location；Piercing punch, described piercing punch hangs down and is located at the bottom of fixed piece and is just arranging hole, described location, institute
Stating piercing punch is the column construction matched with hole, location.
Preferably, also including the feeding pressure mechanism being located on described piercing punch, described feeding pressure mechanism includes being located at described punching
The binder block at die top, hole, the bottom surface of described binder block is its lower binder surface, offers via in the middle part of described binder block, described
Piercing punch freely passes along described via；On piercing punch between upper fixed block and binder block, pretension is provided with a bullet
Preferably, being provided with a flange on the top of piercing punch, the middle part of upper fixed block offers installing hole, installing hole
Top communicates with the first stopper slot of a upward opening；Upper fixed block is stretched out along described installing hole in the bottom of described piercing punch,
The flange of described piercing punch is fastened in the first stopper slot.
Preferably, it is provided with a second downwardly open stopper slot along the edge of installing hole in the bottom surface of upper fixed block, described
The top of spring is connected with upper fixed block after stretching into upper fixed block along the second stopper slot, the bottom of described spring and binder block phase
Preferably, described punching concave die is a rectangular block, and it includes that fixed part and binder portion, the end face in described binder portion are
Binder surface on it, offers a rectangular opening in the middle part of lower fixed block, in described binder portion plug-in mounting to described rectangular opening.
Preferably, also including lock-screw, offer screw at rectangular opening sidewall, the end of described lock-screw passes institute
State after screw with described fixed part against.
Preferably, the described location Kong Weiyi diameter of axle from top to bottom becomes big second order shoulder hole, and its top is and piercing punch
The spacing hole of the sum that matches, bottom is for the dumping pit of discharging after punching.
Preferably, described lower binder surface and described upper binder surface are all processed into the punch side conformal being punched.
Preferably, at die shoe, upper bolster side is provided with multiple lead, offer at the top of die shoe with
The pilot hole that described lead matches, is provided with guide pin bushing in pilot hole.
Effect of the invention is that: in this programme, a few font parts match with punching concave die, upper bolster drives punching
Punch moves downward, and piercing punch sequentially passes through and is punched part and hole, location, it is achieved the punching to a few font parts.This device
Simple in construction, easy to use.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present application or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing used is needed to be briefly described, it should be apparent that, the accompanying drawing in describing below is only described in the present invention
A little embodiments, for those of ordinary skill in the art, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of a few font parts in prior art.
Fig. 2 is the overall structure schematic diagram of punching die in the embodiment of the present invention.
Fig. 3 is the sectional view of Fig. 2.
Fig. 4 is the structural representation of punching concave die.
In prior art diagram: 1a-a few font part
In figure of the present invention: on 1-upper bolster 2-die shoe 3-lead 4-fairlead 5-, fixed block 51-first is spacing
Groove 52-the second stopper slot 6-piercing punch 7-spring 8-binder block 9-punching concave die 91-spacing hole 92-dumping pit
93-binder portion 94-fixed part 95-screw 10-is punched fixed block under part 11-lock-screw 12-
Detailed description of the invention
In order to make those skilled in the art be more fully understood that technical scheme, below in conjunction with accompanying drawing to this
Bright it is further detailed.
As in Figure 2-4, a kind of punching die provided for the embodiment of the present invention, it is for the parts punching of several fonts
Using, it specifically includes:
Die shoe 2, it is punched part 10 for carrying；
Upper bolster 1, it is used for driving piercing punch 9, it is achieved with coordinating of punching concave die 9, it is achieved to being punched part 10
Punching, being wherein punched part is a few font parts；
Upper fixed block 5, it is fixed on the bottom surface of upper bolster 1；
Lower fixed block 12, it is arranged on the end face of die shoe 2；
Punching concave die 9, punching concave die 9 protrudes horizontally up along the middle part of lower fixed block 12, longitudinal offering in punching concave die 9
Having a hole, location, it coordinates piercing punch to realize punching；
Piercing punch 6, piercing punch 6 is the column construction matched with hole, location, and piercing punch 6 hangs down and is located at fixed block 5
Bottom and just to location hole arrange.A few font parts match with punching concave die, and upper bolster drives piercing punch to transport downwards
Dynamic, piercing punch 6 sequentially passes through and is punched 10 and hole, location, it is achieved the punching to a few font parts.The letter of this apparatus structure
Single, easy to use.
It addition, combine shown in Fig. 2 and Fig. 3, also setting up a feeding pressure mechanism on piercing punch, it includes being placed in lower fixing
The binder block 8 at block 12 top, offers via in the middle part of binder block 8, piercing punch 6 freely passes along via, in the present embodiment, and pressure
The bottom surface of material block 8 is its lower binder surface；On piercing punch 6 between upper fixed block 5 and binder block 12, pretension is provided with a bullet
Spring 7, the contact of binder block 8 lower surface is punched part 10, and spring 7 coordinates binder block 8 to play binder effect so that punch side is tightr
Fit with punching concave die 9, improve the accuracy of punching.If there being shape binder block to need conformal to process on part.Wherein,
Spring 7 is connected with binder block 8 so that while upper bolster 1 drives piercing punch 6 punching, give acting force of the spring, and then spring
It is applied on binder block 8 realize binder.
So that during punching, the relative motion between upper bolster and die shoe is steady, at die shoe towards upper bolster one
Side is provided with multiple lead 3, offers the pilot hole matched with lead 3 at the top of die shoe 2, is provided with in pilot hole
Guide pin bushing 4.The motion guide of upper and lower mould is realized by coordinating of lead 3 and pilot hole.
In the present embodiment, being provided with a flange on the top of piercing punch 6, the middle part of upper fixed block offers installing hole, peace
The top in dress hole communicates with the first stopper slot 51 of a upward opening, and upper fixed block is stretched out along installing hole in the bottom of piercing punch,
The flange of piercing punch is fastened in the first stopper slot 51；Realize piercing punch 6 with this to be connected with upper the fixing of fixed block 5, its
On in, fixed block can use welding or screw connecting mode to be fixed on upper bolster.
It addition, be provided with a second downwardly open stopper slot 52 along the edge of installing hole in the bottom surface of upper fixed block 5, its
In, the top of spring 7 is connected with upper fixed block 5 after stretching into upper fixed block 5 along the second stopper slot 52, and the second stopper slot 52 is to spring
The fixed installation of 7 its to positioning action, spring can use welding or bolt connecting mode to be connected with upper fixed block 5.
As shown in Figure 4, punching concave die 9 is a rectangular block in the present embodiment, and it includes fixed part 94 and binder portion 93, pressure
The end face in material portion 93 is binder surface on it, and punching concave die 9 is connected with lower fixed block 12, can use Type of Welding, in the present embodiment,
Offer a rectangular opening at the middle part of lower fixed block 12, offer screw at rectangular opening sidewall, when punching concave die 9 is fixed, along square
Shape hole is inserted in lower fixed hole, then realizes the sealed fixing of punching concave die 9 by a lock-screw 11 after screw 95, when
So, punching concave die 9 may be used without Type of Welding and is connected with lower fixed block.Wherein, in the present embodiment, the location downward axle of Kong Weiyi
Footpath becomes big second order shoulder hole, its top be match with piercing punch 6 and spacing hole 91, spacing hole 91 has to pass through heat treatment
Improving hardness, bottom is for the dumping pit 92 of discharging after punching.
If part punch side has shape, binder block and piercing punch just being processed into a lateral adaptation of punch side should be made
The shape matched therewith, that is, in the present embodiment, the lower binder surface of binder block 8 and the upper binder surface of punching concave die 9 all with rushed
Punch side conformal between hole is processed into, and it can carry out Adjusting Shape to adapt to be punched part according to the punch side being punched part
Punch side shape, with the requirement of satisfied different parts.
Wherein, a secondary mould can be equipped with different punching concave die structures, and in different punching concave die, unique difference exists
The size of spacing hole, by adjusting the aperture of spacing hole, adapts to different punch size needs, and it can be equipped with various sizes of punching
Hole punch.The piercing punch of different punch size and punching concave die is supporting deposits and labelling, is convenient for changing use.
During work, after opening mould upper and lower mould, the opening of the type semienclosed part of " several " word is positioned over punching concave die 9
On lower binder surface, first upper mold pressing binder block contacts part, and spring 7 compresses conducting pressure makes binder block start binder, simultaneously
Piercing punch 6 moves downward the hole, location of the via entrance punching concave die 9 through binder block 8, completes the punching operation to part,
Waste material is discharged by material-dropping hole.When various sizes of punching processed by needs, drift and the punching of finding out required punch size are recessed
Mould distribution assembly, original piercing punch and punching concave die on mold removal, change installation respectively, i.e. can produce various sizes of
The part in aperture.
By the way of explanation, only describe some one exemplary embodiment of the present invention above, undoubtedly, for ability
The those of ordinary skill in territory, in the case of without departing from the spirit and scope of the present invention, can be by various different modes to institute
The embodiment described is modified.Therefore, above-mentioned accompanying drawing and description are the most illustrative, should not be construed as the present invention
The restriction of claims.