CN104550417B - Two-way die cutting die for magnalium die casting - Google Patents

Two-way die cutting die for magnalium die casting Download PDF

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Publication number
CN104550417B
CN104550417B CN201510038271.0A CN201510038271A CN104550417B CN 104550417 B CN104550417 B CN 104550417B CN 201510038271 A CN201510038271 A CN 201510038271A CN 104550417 B CN104550417 B CN 104550417B
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CN
China
Prior art keywords
die
bolster
stamping knife
rod
limited post
Prior art date
Application number
CN201510038271.0A
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Chinese (zh)
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CN104550417A (en
Inventor
刘伟革
童海林
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昆山旭正精密机械有限公司
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Priority to CN201510038271.0A priority Critical patent/CN104550417B/en
Publication of CN104550417A publication Critical patent/CN104550417A/en
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Publication of CN104550417B publication Critical patent/CN104550417B/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00Shaping by press-cutting; Perforating
    • B21D28/02Punching blanks or articles with or without obtaining scrap; Notching
    • B21D28/14Dies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D31/00Cutting-off surplus material, e.g. gates; Cleaning and working on castings

Abstract

The invention discloses a kind of two-way die cutting die for magnalium die casting, including: upper blanking units and lower blanking units, described upper blanking units includes top mold frame (top block, upper bolster, cope match-plate pattern, guide pin bushing, first limited post), on re-pack attachment means, upper stamping knife and on to stamping knife, described lower blanking units include lower mold holder (bottom seat pad, die shoe, lower bolster, guide pillar, the second limited post), under re-pack attachment means, lower stamping knife and lower to stamping knife.By the way, the present invention, for the two-way die cutting die of magnalium die casting, can carry out the die-cut of upper-lower position simultaneously, be substantially reduced die cost and workman's workload, thus the efficiency of production is greatly improved die casting product, convenient use.

Description

Two-way die cutting die for magnalium die casting

Technical field

The present invention relates to machinery hardware dies field, particularly relate to a kind of two-way die cutting die for magnalium die casting.

Background technology

Die casting is the part of a kind of compression casting, it it is the compression casting machinery die casting machine using and installing casting die, what the metal being heated to be liquid poured into die casting machine enters cast gate, through die casting machine die casting, cast out the copper of shape and size, zinc, aluminum part or aluminum alloy part that mould limits, such part, magnalium die casting is exactly relatively conventional one.

Producing magnalium die casting when, the edge of die casting also has some the most unnecessary stub bar cinder ladle and burrs with entering on cast gate, be at this time accomplished by being punched out die casting removing unnecessary part.

But, the most all use unidirectional shaving die, unidirectional edger to have a following drawback:

Burr on one direction of die casting product (front or the back side) and stub bar, cinder ladle can only be entered cast gate and are punched out burr removing by the most unidirectional shaving die.So when be required in product both direction die-cut remove redundance time, two molds or the artificial deburring of one side, the most die-cut deburring need to be done, workman's workload and expense can be greatly increased;

2. more crisp because of the quality of magnalium die casting, and internal structure is unstable.So when product because of molding need into cast gate blocked up time unidirectional blanking die die-cut time can cause product misrun because die-cut pulling force is excessive, cause product rejection, so people need more to meet the die cutting die of requirement.

Summary of the invention

The technical problem that present invention mainly solves is to provide a kind of two-way die cutting die for magnalium die casting, there is the advantages such as unfailing performance height, registration, compact conformation, work efficiency is high, multiple spot is die-cut, simultaneously machinery hardware dies application and universal on have market prospect widely.

For solving above-mentioned technical problem, the technical scheme that the present invention uses is:

A kind of two-way die cutting die for magnalium die casting is provided, comprising: upper blanking units and lower blanking units, described upper blanking units includes top mold frame, on re-pack attachment means, upper stamping knife and on to stamping knife, described top mold frame includes top block, upper bolster, cope match-plate pattern, guide pin bushing, first limited post, described top block is respectively arranged at the both sides above described upper bolster, described upper bolster end face is connected with described top block, described guide pin bushing, the bottom that described first limited post is arranged at described upper bolster with described cope match-plate pattern is connected with upper bolster respectively, and described guide pin bushing and described first limited post are arranged at the both sides of described cope match-plate pattern, the described through upper bolster of upper connecting rod via and described cope match-plate pattern.

The attachment means that re-packs on described includes contour screw, upper spring, on re-pack, upper connecting rod, stripper and upper inner guiding post, described upper ring spring is around in outside described contour screw, and described contour screw is by the compressing end face at described upper bolster that re-packs on described, the top of described upper connecting rod is connected on described re-pack bottom surface through cope match-plate pattern and upper bolster connecting rod via, the bottom of described upper connecting rod is connected with described stripper, the upper end of described upper inner guiding post is fixed on inside cope match-plate pattern, the lower end of described upper inner guiding post and described stripper are slidably matched correcting effect,

Described upper stamping knife and described on stamping knife is arranged at the bottom surface of described cope match-plate pattern, and described upper stamping knife and described on stamping knife is respectively arranged at the periphery of described stripper,

Described lower blanking units include lower mold holder, under re-pack attachment means, lower stamping knife and lower to stamping knife.

Described lower mold holder includes bottom seat pad, die shoe, lower bolster, guide pillar, the second limited post, described bottom seat pad is arranged at the both sides of described die shoe, described die shoe is connected with described bottom seat pad, described lower bolster is arranged at described die shoe upper surface, described guide pillar is respectively arranged at the both sides of described lower bolster with described second limited post and is connected with die shoe respectively, and described guide pillar is arranged at the underface of described guide pin bushing, described second limited post is arranged at the underface of described first limited post, and described lower link via runs through and affiliated die shoe and lower bolster.

The attachment means that re-packs under described is contour screw under including, lower spring, under re-pack, lower connecting rod, loading plate, 3rd limited post and lower inner guiding post, described lower spring be surrounded on described under contour screw peripheral, under described contour screw and described 3rd limited post be arranged at described under the bottom that re-packs, and contour screw re-packs compressing on the surface of described die shoe under described under described, the bottom of described lower connecting rod re-packs through affiliated die shoe and lower bolster and is connected under described, the top of described lower connecting rod is connected with described loading plate, the lower end of described lower inner guiding post is fixed on inside lower bolster, the upper end of described lower inner guiding post is connected with described loading plate,

Described lower stamping knife and described lower stamping knife is arranged on described lower bolster, described lower stamping knife and the described lower periphery that stamping knife is respectively arranged at described loading plate, and described lower stamping knife is arranged at the underface of described product cinder ladle, described lower stamping knife is arranged on described the underface to stamping knife.

In a preferred embodiment of the present invention, the described upper connecting rod via on described upper bolster and the described upper connecting rod via on described cope match-plate pattern coincide.

In a preferred embodiment of the present invention, described guide pillar and described guide pin bushing are slidable connection correcting position.

In a preferred embodiment of the present invention, when described first limited post is collided with described second limited post, punch die stop motion completes die-cut.

In a preferred embodiment of the present invention, connect connecting rod via under described on described lower link via on described die shoe and described lower bolster and coincide.

The invention has the beneficial effects as follows: die casting product can be carried out the die-cut of upper-lower position simultaneously, be substantially reduced die cost and workman's workload, thus the efficiency of production is greatly improved, convenient use.

Accompanying drawing explanation

For the technical scheme being illustrated more clearly that in the embodiment of the present invention, in describing embodiment below, the required accompanying drawing used is briefly described, apparently, accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings, wherein:

Fig. 1 be the present invention background technology in the texture edge schematic diagram of magnalium die casting;

Fig. 2 is the structural representation of two-way die cutting die one preferred embodiment for magnalium die casting of the present invention;

Fig. 3 is the die-cut view of the two-way die cutting die for magnalium die casting of the present invention;

Fig. 4 be the present invention described on re-pack the structural representation of attachment means;

Fig. 5 be the present invention described under re-pack the structural representation of attachment means.

Detailed description of the invention

Technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, all other embodiments that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.

Referring to Fig. 1-5, the embodiment of the present invention includes:

A kind of two-way die cutting die for magnalium die casting, including: upper blanking units and lower blanking units.

Described upper blanking units include top mold frame 1, on re-pack attachment means 2, upper stamping knife 3 and on to stamping knife 4.

Described top mold frame 1 includes top block 12, upper bolster 13, cope match-plate pattern 17, guide pin bushing 14, first limited post 15, described top block 12 is respectively arranged at described upper bolster 13 both sides above, described upper bolster 13 end face is connected with described top block 12, the bottom that described guide pin bushing 14, described first limited post 15 are arranged at described upper bolster 13 with described cope match-plate pattern 17 is connected with upper bolster 13 respectively, and described guide pin bushing 14 and described first limited post 15 are arranged at the both sides of described cope match-plate pattern 17, the described through upper bolster of upper connecting rod via 16 and described cope match-plate pattern.

The attachment means that re-packs on described 2 include contour screw 21, upper spring 22, on re-pack 23, upper connecting rod 24, stripper 25 and upper inner guiding post 26.

It is outside that described upper spring 22 is surrounded on described contour screw 21, and described contour screw 21 is by 23 compressings end face at described upper bolster 13 that re-packs on described, the top of described upper connecting rod 24 is connected on described, through the connecting rod via of cope match-plate pattern 17 and upper bolster 13,23 bottom surfaces that re-pack, the bottom of described upper connecting rod 24 is connected with described stripper 25, it is internal that described cope match-plate pattern 17 is fixed in the upper end of described upper inner guiding post 26, and the lower end of described upper inner guiding post 26 and described stripper 25 are slidably matched correcting effect.

The advantage of the attachment means that re-packs on described is:

(1) external spring can overcome because the die-cut stroke of product is too high to die-cut problem, facilitates basis

Die-cut requirement changes its length and size;

(2) use external spring structure, the product (such as: die casting product) of die-cut strength, fast changeable spring size and strength cannot be estimated for some, reach the demand of die-cut strength.Avoid the loss of time and the expenses caused because of mould amendment, thus be greatly shortened the cycle of repairing a die and the expense that repairs a die.

Described upper stamping knife 3 and described on stamping knife 4 is arranged at the bottom surface of described cope match-plate pattern 17, and described upper stamping knife 3 and described on stamping knife 4 is respectively arranged at the outside of described stripper 25.

Described lower blanking units include lower mold holder 5, under re-pack attachment means 6, lower stamping knife 7 and lower to stamping knife 8.

Described lower mold holder includes bottom seat pad 52, die shoe 53, guide pillar 54, lower connecting rod via the 55, second limited post, lower bolster 57,

Described bottom seat pad 52 is arranged at the both sides of described die shoe 53, described die shoe 53 is fixedly connected with described bottom seat pad 52, described lower bolster 57 is arranged at described die shoe 53 upper surface, described guide pillar 54 is respectively arranged at the both sides of described lower bolster 57 with described second limited post 56 and is connected with die shoe 53 respectively, and described guide pillar 54 is arranged at the underface of described guide pin bushing 14, described second limited post 56 is arranged at the underface of described first limited post 15, and described lower link via 55 runs through and affiliated die shoe 53 and lower bolster 57.

Described guide pillar 54 and described guide pin bushing 14 play the effect of a location, and described first limited post 15 and described second limited post 56 are also to play a spacing effect of short transverse, prevent blanking units to be moved through greatly.

The attachment means that re-packs under described 6 contour screw 61 under including, lower spring 62, under re-pack 63, lower connecting rod 64, loading plate the 65, the 3rd limited post 66 and lower inner guiding post 67.

Described lower spring 62 be surrounded on described under contour screw 61 peripheral, under described contour screw 61 and described 3rd limited post 66 be arranged at described under re-pack 63 bottom, and under described contour screw 61 by 63 compressings surface at described die shoe 53 that re-packs under described, the bottom of described lower connecting rod 64 re-packs through affiliated die shoe 53 and lower bolster 57 and 63 is connected under described, the top of described lower connecting rod 64 is connected with described loading plate 65, it is internal that lower bolster 64 is fixed in the lower end of described lower inner guiding post 67, the upper end of described lower inner guiding post 67 is connected with described loading plate 65,

Described lower stamping knife 7 and described lower stamping knife 8 is arranged on described lower bolster 57, described lower stamping knife 7 and the described lower periphery that stamping knife 8 is respectively arranged at described loading plate 65, and described lower stamping knife 7 is arranged at the underface of described product cinder ladle, described lower stamping knife 8 is arranged on described the underface to stamping knife 4.

The length of described upper stamping knife 3 and described lower stamping knife 7 is determined according to the position of cinder ladle, described on lower relevant to the length of stamping knife 8 and the position dimension of glue-feeder to described to the length of punching cutter 4,

On described, the point of a knife to punching cutter 4 is sheared entering cast gate, and the described lower point of a knife to punching cutter 8 is supported entering cast gate, prevents product misrun.

The described die-cut state for the two-way die cutting die of magnalium die casting is schematically illustrate as follows:

(1) first the two-way die cutting die being used for magnalium die casting being installed on punch press, upper blanking units is fixed on punch press moving platen part, and lower blanking units is fixed on the quiet template part of punch press;

(2) when the described two-way die cutting die for magnalium die casting is in static condition, upper blanking units separates with lower blanking units, at this moment, magnalium die casting is placed on loading plate according to correct position, then guide pillar guide pin bushing correcting upper and lower stamping knife position, up and down need die-cut stub bar part on stamping knife alignment die casting, on to stamping knife with lower stamping knife alignment die casting is entered cast gate;

(3) two-way die cutting die is started, entering kinestate, upper blanking units moves downward, and utilizes stripper to be pressed on loading plate by die casting, the spring strength re-packed under Yin in attachment means is less than the spring strength in attachment means that above re-packs, so upper blanking units continues to move downward;

(4) continue to move downward time, when product encountered by stamping knife, entering die-cut state, lower stamping knife cuts away the stub bar on die casting bottom margin, lower is supported punching cutter to glue-feeder thicker part, under stamping knife both can have been played supported the effect into cast gate, again can play auxiliary shear effect, and be not easy destroy die casting internal structure, the 3rd limited post complete die-cut after spacing, prevent blanking units from continuing to move downward and damaged by pressure by lower module, the service life of extension device;

(5) when the 3rd limited post complete spacing after, part of the lower die stop motion, be supported, when upper blanking units continue motion time, upper stamping knife cuts away the stub bar in die casting top, and now product completes die-cut;

(6) complete die-cut after, upper blanking units moves upward with punch press moving platen part, the spring of blanking units completes demoulding action to stripper and loading plate up and down, thus product deviates from the upper and lower edge of a knife, so by controlling the upper and lower spring strength upper and lower die-cut sequencing of control, make the die-cut stability of product high, simultaneously by die cutting techniques while of up and down to needing the most all to need die-cut die casting product to complete clamped one time, one-step punching, reduces workload.

Described upper connecting rod via on described upper bolster and the described upper connecting rod via on described cope match-plate pattern coincide.

Described guide pillar and described guide pin bushing are slidable connection correcting position.

When described first limited post is collided with described second limited post, punch die stop motion completes die-cut.

Connect connecting rod via under described on described lower link via on described die shoe and described lower bolster to coincide.

The present invention provides the benefit that for the two-way die cutting die of magnalium die casting:

1. need clamping that top and bottom once can all need die-cut die casting product one-step punching complete;

2. without making two set edger clampings again, to complete product twice die-cut, is substantially reduced die cost and workman

Workload, thus it is greatly improved production efficiency;

3. completing die-cut after under the product thicker for entering cast gate can support stamping knife, product will not misrun.

The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the invention content to be made or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical field, the most in like manner it is included in the scope of patent protection of the present invention.

Claims (5)

  1. null1. the two-way die cutting die for magnalium die casting,It is characterized in that,Including: upper blanking units and lower blanking units,Described upper blanking units includes top mold frame、On re-pack attachment means、Upper stamping knife and on to stamping knife,Described top mold frame includes top block、Upper bolster、Cope match-plate pattern、Guide pin bushing,First limited post,Described top block is respectively arranged at the both sides above described upper bolster,Described upper bolster end face is connected with described top block,Described guide pin bushing、The bottom that described first limited post is arranged at described upper bolster with described cope match-plate pattern is connected with upper bolster respectively,And described guide pin bushing and described first limited post are arranged at the both sides of described cope match-plate pattern,The through upper bolster of upper connecting rod via and described cope match-plate pattern,The attachment means that re-packs on described includes contour screw、Upper spring、On re-pack、Upper connecting rod、Stripper and upper inner guiding post,Described upper ring spring is around in outside described contour screw,And described contour screw is by the compressing end face at described upper bolster that re-packs on described,The top of described upper connecting rod is connected on described re-pack bottom surface through the upper connecting rod via of cope match-plate pattern and upper bolster,The bottom of described upper connecting rod is connected with described stripper,The upper end of described upper inner guiding post is fixed on inside cope match-plate pattern,The lower end of described upper inner guiding post and described stripper are slidably matched and play correcting effect,Described upper stamping knife and described on stamping knife is arranged at the bottom surface of described cope match-plate pattern,And described upper stamping knife and described on stamping knife is respectively arranged at the periphery of described stripper,Described lower blanking units includes lower mold holder、Under re-pack attachment means、Lower stamping knife and lower to stamping knife,Described lower mold holder includes bottom seat pad、Die shoe、Lower bolster、Guide pillar、Second limited post,Described bottom seat pad is arranged at the both sides of described die shoe,Described die shoe is connected with described bottom seat pad,Described lower bolster is arranged at described die shoe upper surface,Described guide pillar is respectively arranged at the both sides of described lower bolster with described second limited post and is connected with die shoe respectively,And described guide pillar is arranged at the underface of described guide pin bushing,Described second limited post is arranged at the underface of described first limited post,Lower connecting rod via runs through described die shoe and lower bolster,The attachment means that re-packs under described is contour screw under including、Lower spring、Under re-pack、Lower connecting rod、Loading plate、3rd limited post and lower inner guiding post,Described lower spring be surrounded on described under contour screw peripheral,Under described contour screw and described 3rd limited post be arranged at described under the bottom that re-packs,And contour screw re-packs compressing on the surface of described die shoe under described under described,Described die shoe and lower bolster are run through in the bottom of lower connecting rod,And re-pack and be connected under described,The top of described lower connecting rod is connected with described loading plate,The lower end of described lower inner guiding post is fixed on inside lower bolster,The upper end of described lower inner guiding post is connected with described loading plate,Described lower stamping knife and described lower stamping knife is arranged on described lower bolster,Described lower stamping knife and the described lower periphery that stamping knife is respectively arranged at described loading plate,And described lower stamping knife is arranged at the underface of product cinder ladle,Described lower stamping knife is arranged on described the underface to stamping knife.
  2. Two-way die cutting die for magnalium die casting the most according to claim 1, it is characterised in that the described upper connecting rod via on described upper bolster and the described upper connecting rod via on described cope match-plate pattern coincide.
  3. Two-way die cutting die for magnalium die casting the most according to claim 1, it is characterised in that described guide pillar and described guide pin bushing are slidable connection correcting position.
  4. Two-way die cutting die for magnalium die casting the most according to claim 1, it is characterised in that when die-cut completing, described first limited post is connected with described second limited post.
  5. Two-way die cutting die for magnalium die casting the most according to claim 1, it is characterised in that the described lower connecting rod via on described die shoe and the described lower connecting rod via on described lower bolster coincide.
CN201510038271.0A 2015-01-27 2015-01-27 Two-way die cutting die for magnalium die casting CN104550417B (en)

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Application Number Priority Date Filing Date Title
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CN104550417B true CN104550417B (en) 2016-08-24

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106735126A (en) * 2017-02-24 2017-05-31 深圳市铭利达精密机械有限公司 A kind of spout device that handle casting is adjusted for removing automotive seat
CN108480466A (en) * 2018-04-09 2018-09-04 安徽江淮汽车集团股份有限公司 A kind of novel machine for rolling parts stripping mouth mold tool
CN110586744A (en) * 2019-08-27 2019-12-20 昆山精诚得精密五金模具有限公司 Continuous stamping die of automobile alternating current generator cover

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JPS6083726A (en) * 1983-10-12 1985-05-13 Toyota Motor Corp Deburring device
CN2923091Y (en) * 2006-06-17 2007-07-18 铜陵三佳科技股份有限公司 Mould-mounting device convenient for dismounting cutter edge piece
CN201711522U (en) * 2010-02-08 2011-01-19 广东鸿特精密技术股份有限公司 Punching shear mechanism for pouring gates and cinder ladles on casting
CN202479318U (en) * 2012-01-19 2012-10-10 宁波久腾车灯电器有限公司 Sprue-removing trimming die of aluminum alloy die-castings
CN203737798U (en) * 2014-02-25 2014-07-30 中国重汽集团济南动力有限公司 Trimming die
CN204700120U (en) * 2015-01-27 2015-10-14 昆山旭正精密机械有限公司 For the two-way die cutting die of magnadure die casting

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6083726A (en) * 1983-10-12 1985-05-13 Toyota Motor Corp Deburring device
CN2923091Y (en) * 2006-06-17 2007-07-18 铜陵三佳科技股份有限公司 Mould-mounting device convenient for dismounting cutter edge piece
CN201711522U (en) * 2010-02-08 2011-01-19 广东鸿特精密技术股份有限公司 Punching shear mechanism for pouring gates and cinder ladles on casting
CN202479318U (en) * 2012-01-19 2012-10-10 宁波久腾车灯电器有限公司 Sprue-removing trimming die of aluminum alloy die-castings
CN203737798U (en) * 2014-02-25 2014-07-30 中国重汽集团济南动力有限公司 Trimming die
CN204700120U (en) * 2015-01-27 2015-10-14 昆山旭正精密机械有限公司 For the two-way die cutting die of magnadure die casting

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