CN208680342U - A kind of high-precision stamping mould - Google Patents

Abstract

The utility model creation provides a kind of high-precision stamping mould, and backing plate is fixed on the lower end of upper die holder；Punch retainer is fixed on backing plate lower end；Punch-pin is fixedly installed on punch retainer；The upper end of lower die holder is fixedly installed die block, and cavity plate is provided on die block, and lower die holder corresponds to cavity plate and is provided with discharge port；Positive stripper is located at the upside of die block, and there are two plate guide plates, two plate guide plates to pass through screw, be fixed between positive stripper and die block for setting between positive stripper and die block；The space that plate passes through is formed between two plate guide plates；Positive stripper corresponds to punch-pin and is provided with through-hole.The utility model structure is simple, and positive stripper and plate guide plate can both be made as split type, can also be made as integral type, it only need to be according to the width and height of plate, the relative position of positive stripper and two plate guide plates is set, so that plate be fixed, is easy to carry out punching operation.

Description

A kind of high-precision stamping mould

Technical field

The invention belongs to stamping die field, more particularly, to a kind of high-precision stamping mould.

Background technique

Stamping die is that material (metal or nonmetallic) is processed into the one of part (or semi-finished product) in Cold Press Working Kind special process equipment.When existing stamping die carries out stamping press, can't see setting is worrying thing, this is The shortcomings that positive stripper structure.Stamping die is guaranteed to guarantee precision by the cooperation of setting guide upright post and guide sleeve The precision that upper mold falls, but stamping die does not fix the accessory of plate, the position that plate is easily led in punching course generates Offset, to reduce the precision of stamping die punching press plate, causes product qualification rate low.Therefore, now it is badly in need of being able to cooperate plate A kind of size high-precision stamping mould that plate is fixed.

Summary of the invention

In view of this, the invention is intended to overcome above-mentioned defect existing in the prior art, a kind of high-precision punching is proposed Compression mould.

In order to achieve the above objectives, the technical solution of the invention is achieved in that

A kind of high-precision stamping mould, including upper die component and lower mold assemblies, upper die component include upper die holder, backing plate and convex Mould fixed plate；Lower mold assemblies include lower die holder, die block and positive stripper；The quadrangle of the upper die holder, which is provided with, leads Set, the quadrangle of lower die holder corresponds to guide sleeve and is provided with guide post；The backing plate is fixed on the lower end of upper die holder；The punch retainer is solid It is scheduled on backing plate lower end；Punch-pin is fixedly installed on the punch retainer；It is solid that the upper end of the lower die holder is fixedly installed cavity plate Fixed board is provided with cavity plate on die block, and lower die holder corresponds to cavity plate and is provided with discharge port；The positive stripper is located at cavity plate The upside of fixed plate, there are two plate guide plate, two plate guide plates are equal for setting between positive stripper and die block By screw, it is fixed between positive stripper and die block；Plate is formed between two plate guide plates to pass through Space；The positive stripper corresponds to punch-pin and is provided with through-hole.

Further, the open end of the guide sleeve has expansion mouth.

Further, the backing plate is made of hard alloy.

Further, there are two observe slot for the rear and front end setting of the positive stripper.

Further, the plate guide plate further includes guiding prelaminar part and guiding flaring, and guiding prelaminar part and cavity plate are solid The long side of fixed board is ipsilateral.

Further, two plate guide plates are oppositely arranged.

Compared with the existing technology, the invention has the advantage that

A kind of automobile component stamping die of the present invention, positive stripper and plate guide plate can be both made as point Body formula can also be made as integral type, only need to be according to the width and height of plate, positive stripper and two plate guiding is arranged The relative position of plate is easy to carry out stamping press so that plate be fixed.Positive stripper corresponds to there are two guide channel settings Slot is observed, staff when Sheet Metal Processing can be convenient for observe plate, the precision of manual operation can be improved, and can moment access panel Operating condition between material and mold avoids that industrial injury occurs.The open end of guide sleeve has expansion mouth, is more convenient between guide sleeve and guide post Docking, even if shifting between upper die holder and lower die holder, guide post can also be inserted into guide sleeve along the inclined-plane of expansion mouth and realize docking.

Detailed description of the invention

The attached drawing for constituting a part of the invention is used to provide to further understand the invention, present invention wound The illustrative embodiments and their description made are used to explain the present invention creation, do not constitute the improper restriction to the invention.? In attached drawing:

Fig. 1 is structure cut-away view of the invention on cavity plate position；

Fig. 2 is the structural schematic diagram of the invention lower mold assemblies；

The structural schematic diagram of the position Fig. 3 the invention lower die holder.

Description of symbols:

1- upper die holder, 2- backing plate, 3- punch retainer, 4- punch-pin, 5- guide sleeve, 6- expansion mouth, 7- lower die holder, 8- discharging Mouthful, 9- die block, 10- cavity plate, 11- plate guide plate, 12- guide post, 13- positive stripper, 14- through-hole, 15- observation Slot, 16- are oriented to prelaminar part, 17- guiding flaring.

Specific embodiment

It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the invention can To be combined with each other.

In the description of the invention, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description the invention and simplifies description, rather than indicate Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand For the limitation to the invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result, Feature can explicitly or implicitly include one or more of the features.In the description of the invention, unless separately It is described, the meaning of " plurality " is two or more.

In the description of the invention, it should be noted that unless otherwise clearly defined and limited, term " peace Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition State concrete meaning of the term in the invention.

The present invention will be described in detail below with reference to the accompanying drawings and embodiments creates.

As shown in Figure 1 to Figure 3, a kind of high-precision stamping mould, including upper die component and lower mold assemblies, upper die component include Upper die holder 1, backing plate 2 and punch retainer 3；Lower mold assemblies include lower die holder 7, die block 9 and positive stripper 13；It is described The quadrangle of upper die holder 1 is provided with guide sleeve 5, and the quadrangle of lower die holder 7 corresponds to guide sleeve 5 and is provided with guide post 12.

The backing plate 2 is fixed on the lower end of upper die holder 1；The punch retainer 3 is fixed on 2 lower end of backing plate；The punch-pin Punch-pin 4 is fixedly installed in fixed plate 3；The upper end of the lower die holder 7 is fixedly installed die block 9, on die block 9 It is provided with cavity plate 10, the corresponding cavity plate 10 of lower die holder 7 is provided with discharge port 8；The positive stripper 13 is located at die block 9 Upside, there are two plate guide plate 11, two plate guide plates 11 are logical for setting between positive stripper 13 and die block 9 Screw is crossed, is fixed between positive stripper 13 and die block 9；It is logical that plate is formed between two plate guide plates 11 The space crossed；The corresponding punch-pin 4 of the positive stripper 11 is provided with through-hole 14.

In use, upper die holder is fixed in the mechanism of the pushing of press machine, lower die holder is fixed on the workbench of press machine On face, the two is correspondingly arranged up and down.When punching press, plate to be processed is protruded into guide channel from guiding prelaminar part, is placed in cavity plate The upper surface of fixed plate allows plate to be fixed between two plate guide plates, starts press machine, and press machine is made to push upper die holder band The dynamic downward punching press of punch-pin, punch-pin pass through through-hole, and plate is corresponded in the position indentation cavity plate of cavity plate.After punching press, punch-pin is by pressure Machine drive moves up, and when the plate being engaged on punch-pin moves up, stops plate to move up by positive stripper, allows plate Material falls off from punch-pin.The waste material that punching press is fallen from plate is dropped out from the discharge port of cavity plate lower end.

The quadrangle of the upper die holder 1 is provided with guide sleeve 5, and the quadrangle of lower die holder 7 corresponds to guide sleeve 5 and is provided with guide post 12.When upper Die holder is mounted on when being driven on press machine by press machine, and upper die holder moves down, and covers guide sleeve on guide post, guarantees punch-pin to turning Cavity plate.Mold is influenced that deformation can be generated by pressure, and deformation can allow the merging precision of guide pillars and bushes to reduce, and influences production effect Rate.To avoid production efficiency after mold generation deformation from reducing, expansion mouth 6 is set in the open end of guide sleeve 5.When guide post and guide sleeve are sent out When raw dislocation, guide post can be inserted into guide sleeve along the inclined-plane of expansion mouth, even if being aligned between punch-pin and cavity plate after being used for a long time Precision be lower, guide post still can be inserted guide sleeve, guarantee that production efficiency will not reduce.

The backing plate 2 is made of hard alloy.Processing plate hardness now is gradually increased, the hardness of hard alloy and Wearability is higher than other any kind of mould steel, is very suitable to the big mold of impact and uses.

The positive stripper 13 is located at the upside of die block 9.Positive stripper can play the plate after stopping punching press Expect the effect moved up, the related plate on punch-pin is allowed to be detached from punch-pin.

When carrying out stamping press, the shortcomings that setting is positive stripper structure can not be observed.Unwanted portion should be cut off Point, to ensure to see setting as far as possible.Therefore, there are two observe slot 16 for the rear and front end setting of the positive stripper 13.

There are two plate guide plate 11, two plate guide plates 11 for setting between positive stripper 13 and die block 9 By screw, it is fixed between positive stripper 13 and die block 9；Before the plate guide plate 11 further includes guide plate Portion 16 and guiding flaring 17, are oriented to prelaminar part 16 and the long side of die block 9 are ipsilateral；Two plate guide plates 11 are opposite Setting.The space that passes through of plate is formed between the downside and plate guide plate of positive stripper, only need to according to the width of plate and Highly, corresponding to determine the space size formed between positive stripper and two plate guide plates, and then institute is passed through according to plate The space needed can then make plate from guiding prelaminar part the link position of positive stripper and two plate guide plates is arranged Guiding flaring is precisely in insertion mold.

It should be noted that positive stripper and plate guide plate can both be made as split type, it can also make and be integrated Formula only need to form the size in space according to the width and height of plate needed for determining.Wherein, each component of the present invention Between fixed form, existing technological means can be used, those skilled in the art can be according to the difficulty of processing of mould parts And cost is not specifically limited in this embodiment to determine production method.

In conclusion the invention structure is simple, positive stripper and plate guide plate can both be made as it is split type, It can be also made as integral type, it only need to be according to the width and height of plate, positive stripper and two plate guide plates is arranged Relative position is easy to carry out stamping press so that plate be fixed.Expansion mouth is set on guide sleeve, accurate guiding can be played Effect, when guide post misplaces with guide sleeve, guide post can be inserted into guide sleeve along the inclined-plane of expansion mouth, even if after being used for a long time The precision being aligned between punch-pin and cavity plate is lower, and guide sleeve still can be inserted in guide post, guarantees production efficiency.

It is obvious to a person skilled in the art that the invention is not limited to the details of above-mentioned exemplary embodiment, and And without departing substantially from the spirit or essential attributes of the invention, wound that the present invention can be realized in other specific forms It makes.

Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this The range of innovation and creation is indicated by the appended claims rather than the foregoing description, it is intended that equally wanting for claim will be fallen in All changes in the meaning and scope of part are included in the invention.Any appended drawing reference in claim should not be regarded To limit the claims involved.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (6)

1. a kind of high-precision stamping mould, including upper die component and lower mold assemblies, upper die component includes upper die holder, backing plate and punch-pin Fixed plate；Lower mold assemblies include lower die holder, die block and positive stripper；The quadrangle of the upper die holder is provided with guide sleeve, The quadrangle of lower die holder corresponds to guide sleeve and is provided with guide post；It is characterized by: the backing plate is fixed on the lower end of upper die holder；The punch-pin Fixed plate is fixed on backing plate lower end；Punch-pin is fixedly installed on the punch retainer；The upper end of the lower die holder is fixedly installed There is die block, cavity plate is provided on die block, lower die holder corresponds to cavity plate and is provided with discharge port；The positive stripper Positioned at the upside of die block, there are two plate guide plate, two plates for setting between positive stripper and die block Guide plate passes through screw, is fixed between positive stripper and die block；It is formed between two plate guide plates The space that plate passes through；The positive stripper corresponds to punch-pin and is provided with through-hole.

2. a kind of high-precision stamping mould according to claim 1, it is characterised in that: the open end of the guide sleeve, which has, to be expanded Oral area.

3. a kind of high-precision stamping mould according to claim 1, it is characterised in that: the backing plate uses hard alloy system At.

4. a kind of high-precision stamping mould according to claim 1, it is characterised in that: the front and back two of the positive stripper There are two observe slot for end setting.

5. a kind of high-precision stamping mould according to claim 1, it is characterised in that: the plate guide plate further includes leading To prelaminar part and guiding flaring, the long side for being oriented to prelaminar part and die block is ipsilateral.

6. a kind of high-precision stamping mould according to claim 5, it is characterised in that: two plate guide plates are opposite Setting.