CN207238869U - A kind of novel precise blanking die - Google Patents

A kind of novel precise blanking die Download PDF

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Publication number
CN207238869U
CN207238869U CN201721094525.1U CN201721094525U CN207238869U CN 207238869 U CN207238869 U CN 207238869U CN 201721094525 U CN201721094525 U CN 201721094525U CN 207238869 U CN207238869 U CN 207238869U
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China
Prior art keywords
punch
blanking
plate
material returned
centre bore
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CN201721094525.1U
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马明越
卢建伟
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Jiangsu Lile Automobile Components Co Ltd
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Jiangsu Lile Automobile Components Co Ltd
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Abstract

The utility model belongs to technical field of mechanical processing, and in particular to a kind of novel precise blanking die, including upper mold portion and lower mold portion;Upper mold portion convexity membrane module includes punch-pin fixing sleeve, blanking punch, centre bore material returned part and the first transmission rod, and blanking punch is housed in punch-pin fixing sleeve, and centre bore material returned part is equipped with blanking punch, the first transmission rod is housed at the top of centre bore material returned part;Cavity plate component in lower mold portion includes die case, blanking material returned part, centre bore punch, the second transmission rod and locking device, blanking material returned part is housed in die case, withstood on below blanking material returned part on the second transmission rod, centre bore punch is equipped among blanking material returned part, is fixed on below centre bore punch on locking device.The beneficial effects of the utility model are:Punching, blanking multiple operation are integrated, and replace die assembly conveniently, and shaping workpiece precision is high, cost is low and efficient.

Description

A kind of novel precise blanking die
Technical field
The utility model belongs to technical field of mechanical processing, and in particular to a kind of novel precise blanking die.
Background technology
With the extensive use and development of stamping technology, every profession and trade all be unable to do without stamping die, especially automobile, electric appliance, Motor, instrument and daily necessities industry, its product quality, production efficiency, production cost and the speed of model change etc., all exist Stamping die is heavily dependent on, and mould structure is the soul of stamping die, it not only determines the function of mould, together When also determine the cost and the security of manufacturing cycle and operation of mould, and can guarantee that every technical requirements of product parts. Common stamping mould is there are the shortcomings of precision is low, poor flatness, poor and less efficient finish, particularly common stamping mould one Bodyization design is not easy to replace, and wastes substantial amounts of manufacture cost, so common stamping mould will slowly step down from the stage of history, And rapid proliferation will be obtained using fine-blanking die, and a kind of special-shaped pinion gear molded part particularly as shown in Figure 1, bag Gear mass 100 and irregularly-shaped hole 200 are included, with greater need for using fine-blanking die.
Utility model content
The problem of being not easy to replace the purpose of the utility model is to overcome integrated design existing in the prior art, there is provided one Kind punching, blanking multiple operation are integrated, and replacement die assembly is convenient, and it is high, smooth to be molded special-shaped pinion gear precision Novel precise blanking die spent and efficient.
Technical solution is used by the utility model solves its technical problem:A kind of novel precise blanking die, including Upper mold portion and lower mold portion;Upper mold portion, including top mold frame, stripper mould bases, discharging plate, punch assemblies, upper mold transmission rod and lead Column, top mold frame underside are connected with stripper mould bases, and through hole is offered among stripper mould bases, stripper is fixed with through hole Part, there is upper mold transmission rod on top above discharging plate, and upper mold profiled holes are offered on discharging plate, punch-pin is housed in upper mold profiled holes Component, punch assemblies include punch-pin fixing sleeve, blanking punch, centre bore material returned part and the first transmission rod, and punch-pin fixing sleeve is built-in There is blanking punch, centre bore material returned part is equipped with blanking punch, the first transmission rod is housed at the top of centre bore material returned part;Lower mold portion, Including lower mold holder, concave template and cavity plate component, concave template is fixed with lower mold holder, lower die profiled holes are offered on concave template, under Cavity plate component be housed in mould profiled holes, cavity plate component including die case, blanking material returned part, centre bore punch, the second transmission rod and Locking device, die case is interior to be equipped with blanking material returned part, is withstood on below blanking material returned part on the second transmission rod, among blanking material returned part Equipped with centre bore punch, it is fixed on below centre bore punch on locking device;Wherein, it is right above and below punch assemblies and cavity plate component Should, guide post is fixed in top mold frame, and pilot hole and guide post clearance fit are offered on stripper mould bases and lower mold holder.
Further, punch assemblies and cavity plate component are at least two pairs.The mould can disposably be molded at least two at the same time Workpiece, greatly improves work efficiency.
Further, stepped hole is offered in top mold frame, contour set is housed in stepped hole, contour set top is equipped with packing ring, Bolt passes through packing ring and contour set, and is screwed onto on stripper mould bases.Bolt is screwed onto on stripper mould bases, plays support discharging The effect of template die frame, when the mould operates, can keep the active state of stripper mould bases, meanwhile, adjusting bolt upper end The distance between packing ring can change the space length between top mold frame and stripper mould bases, adjust easy.
Further, discharging backing plate is housed, discharging backing plate is located in through hole, and top mold frame bottom is equipped with punch-pin on discharging plate Backing plate, convex mould pad is corresponding to discharging backing plate, and blanking punch runs through discharging backing plate, is fixed on convex mould pad, upper mold transmission rod Acted against through convex mould pad on discharging backing plate.Convex mould pad can extend distance of the upper mold transmission rod in hole so that upper mold Transmission rod is more stablized in loading, and for blanking punch through the stability of discharging backing plate increase blanking punch, punch-pin fixing sleeve can It is fixed on discharging backing plate, accurate spacing punch assemblies can be played the role of, and facilitates later maintenance, replaces.
Further, cavity plate backing plate is housed between lower mold holder and concave template.Cavity plate backing plate is installed on lower mold holder and concave template Between, the directly contact of lower mold holder and concave template is reduced, abrasion is reduced, increases service life.
Further, on stripper mould bases and discharging plate through having upper mold balancing pole, lower mold holder, cavity plate backing plate and cavity plate Through there is lower die balancing pole on plate, upper mold balancing pole and lower die balancing pole are corresponding.When the mould operates, upper mold portion and lower die Portion contacts, and component is played the role of in upper mold balancing pole and the contact of lower die balancing pole, and multipair upper mold balancing pole and lower die balancing pole are equal Even distribution, auxiliary balance, extends the die life, while the direct hardness of discharging plate and concave template can be avoided to connect Touch.
Further, also extended through on stripper mould bases and discharging plate equipped with lockweight, run through on concave template and be equipped with closing The corresponding locking plug of lock pin, locking plug lower section are provided with rebound part.When the mould operates, lockweight touches locking and blocks up On head, and down moved with locking plug, when lockweight departs from locking plug, rebound part can spring back locking plug To initial position, lockweight plays the role of relative positioning.
A kind of beneficial effect of novel precise blanking die of the utility model is:
1. punch assemblies and cavity plate component split-type design are simultaneously separately mounted to upper mold portion and lower mold portion, run in mould When, punch assemblies and cavity plate component are used for the shaping of workpiece, are commonly used, and internal component parts is easily damaged, its is split type to set Meter, for repair or replace inside component parts it is very convenient, meanwhile, split-type design blanking easy to implement, punching etc. are more Process is processed, and easy to operate, cost is relatively low;Multipair punch assemblies and cavity plate component can be designed on the mould, while are molded multiple Workpiece, improves work efficiency;
2. upper mold portion is equipped with guide post and lockweight, pilot hole and locking plug are correspondingly provided with lower mold portion, can be played The effect being precisely oriented to, precisely aligns easy to punch assemblies and cavity plate component, ensure that the quality of workpieces processing and processes steady It is qualitative;Upper mold portion is equipped with convex mould pad and discharging backing plate, can play the role of accurate spacing punch assemblies, and lower mold portion is equipped with recessed Die-cushion plate, reduces the directly contact of lower mold holder and concave template, reduces the abrasion between them, increase its service life;
3. bolt is screwed onto on stripper mould bases by contour set, play the role of supporting stripper mould bases, meanwhile, adjust The distance between bolt upper end and packing ring can change the space length between top mold frame and stripper mould bases, adjust more simple Just;When the mould operates, upper mold portion is contacted with lower mold portion, and upper mold balancing pole and lower die balancing pole contact the work for playing component With multipair upper mold balancing pole and lower die balancing pole are uniformly distributed, and auxiliary balance, extends the die life, while can keep away Exempt from the direct hard contact of discharging plate and concave template.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the schematic diagram of the pinion gear molded part of the utility model;
Fig. 2 is a kind of positive view of novel precise blanking die of the utility model;
Fig. 3 is a kind of stereogram of novel precise blanking die of the utility model.
Wherein:11. top mold frame;111. stepped hole;112. contour set;113. packing ring;114. bolt;12. discharging template die Frame;121. through hole;13. discharging plate;131. upper mold profiled holes;141. punch-pin fixing sleeves;142. blanking punch;143. centre bore Material returned part;144. first transmission rods;15. upper mold transmission rod;16. guide post;17. discharging backing plate;18. convex mould pad;19. upper mold Balancing pole;20. lockweight;21. lower mold holder;211. pilot hole;22. concave template;231. die case;232. blanking material returned parts; 233. centre bore punches;234. second transmission rods;235. locking device;24. cavity plate backing plate;25. lower die balancing pole;26. locking Plug;27. spring back part;100. gear mass;200. irregularly-shaped hole.
Embodiment
The utility model is described in further detail presently in connection with attached drawing.These attached drawings are simplified schematic diagram, Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows the composition related with the utility model.
A kind of specific embodiment of novel precise blanking die of the utility model as shown in Fig. 2-Fig. 3, it includes Mould portion and lower mold portion;Upper mold portion, including top mold frame 11, stripper mould bases 12, discharging plate 13, punch assemblies, upper mold transmission rod 15 and guide post 16,11 underside of top mold frame be connected with stripper mould bases 12, through hole 121 offered among stripper mould bases 12, Discharging plate 13 is fixed with through hole 121, discharging plate 13 pushes up above upper mold transmission rod 15, is offered on discharging plate 13 Mould profiled holes 131, upper mold profiled holes 131 are interior to be equipped with punch assemblies, and punch assemblies include punch-pin fixing sleeve 141, blanking punch 142nd, 143 and first transmission rod 144 of centre bore material returned part, punch-pin fixing sleeve 141 is interior to be equipped with blanking punch 142, blanking punch 142 Interior to be equipped with centre bore material returned part 143, the top of centre bore material returned part 143 is equipped with the first transmission rod 144;Lower mold portion, including lower mold holder 21st, concave template 22 and cavity plate component, are fixed with concave template 22 on lower mold holder 21, lower die profiled holes are offered on concave template 22, under Cavity plate component is housed in mould profiled holes, preferred embodiment, in order to avoid 22 direct hard contact of lower mold holder 21 and concave template, Cavity plate backing plate 24 is installed between lower mold holder 21 and concave template 22, the material hardness of cavity plate backing plate 24 is with respect to lower mold holder 21 and cavity plate Plate 22 wants softer, can so reduce the abrasion of lower mold holder 21 and concave template 22, increases service life.Cavity plate component includes recessed Die sleeve 231, blanking material returned part 232, centre bore punch 233, the second transmission rod 234 and locking device 235, die case 231 are built-in There is blanking material returned part 232, the lower section of blanking material returned part 232 withstands on the second transmission rod 234, is equipped among blanking material returned part 232 Centre bore punch 233, the lower section of centre bore punch 233 are fixed on locking device 235, and locking device 235 is preferably bolt, is passed through Bolt is spirally connected with centre bore punch 233, and centre bore punch 233 is locked on cavity plate backing plate 24;Wherein, punch assemblies and cavity plate Component is corresponding up and down, and guide post 16 is fixed in top mold frame 11, and dust is fallen into order to prevent, and sealing dress can be set on 11 top of guide post Put, pilot hole 211 and 16 clearance fit of guide post are offered on stripper mould bases 12 and lower mold holder 21, in order to obtain more preferable guiding Effect, can set multiple guide posts 11 and multiple pilot holes 211.Further, imitated to more preferably improve the formed in mould work Rate, punch assemblies and cavity plate component are two pairs, in the case where die size allows, can be designed on the mould more convex Membrane module and cavity plate component, for this this would be even more beneficial to improve molding work efficiency.
Further, stepped hole 111 is offered in top mold frame 11, contour set 112, contour set 112 are housed in stepped hole 111 Top is equipped with packing ring 113, and bolt 114 is screwed onto on stripper mould bases 12 through packing ring 113 and contour set 112.Bolt 114 It is screwed onto on stripper mould bases 12, plays the role of supporting stripper mould bases 12, when the mould operates, stripper can be kept The active state of mould bases 12, meanwhile, the distance between 114 upper end of adjusting bolt and packing ring 113 can change top mold frame 11 with Space length between stripper mould bases 12, is preferably hexagon socket head cap screw, and flexible adjustment is convenient, is made to obtain preferably support With multiple stepped holes 111 and corresponding contour set 112, packing ring 113 and bolt 114 can be set.
Further, discharging backing plate 17 is housed, discharging backing plate 17 is located in through hole 121, top mold frame 11 on discharging plate 13 Bottom is equipped with convex mould pad 18, and convex mould pad 18 is corresponding to discharging backing plate 17, and blanking punch 142 runs through discharging backing plate 17, fixed On convex mould pad 18, upper mold transmission rod 15 is acted against on discharging backing plate 17 through convex mould pad 18.Convex mould pad 18 can prolong Distance of the long upper mold transmission rod 15 in hole so that upper mold transmission rod 15 is more stablized, blanking punch 142 runs through in loading Discharging backing plate 17 increases the stability of blanking punch 142, and punch-pin fixing sleeve 141 can be fixed on discharging backing plate 17, can play The effect of accurate spacing punch assemblies, and facilitate later maintenance, replace.
Further, on stripper mould bases 12 and discharging plate 13 through having upper mold balancing pole 19, lower mold holder 21, die supporter Through there is lower die balancing pole 25 on plate 24 and concave template 22, upper mold balancing pole 19 and lower die balancing pole 25 are corresponding.In the mould During running, upper mold portion is contacted with lower mold portion, and component is played the role of in upper mold balancing pole 19 and the contact of lower die balancing pole 25, multipair Upper mold balancing pole 19 and lower die balancing pole 25 are uniformly distributed, auxiliary balance, extend the die life, while can avoid unloading The direct hard contact of flitch part 13 and concave template 22, in order to reach more preferable component effect, can set multiple upper mold balancing poles 19 and corresponding lower die balancing pole 25.
Further, also extend through on stripper mould bases 12 and discharging plate 13 equipped with lockweight 20, run through on concave template 22 Equipped with locking plug 26 corresponding with lockweight 20, the lower section of locking plug 26 is provided with rebound part 27.When the mould operates, close Lock pin 20 is touched on locking plug 26, and is down moved with locking plug 26, when lockweight 20 departs from locking plug 26 When, locking plug 26 can be sprung back to initial position by rebound part 27, and lockweight 20 plays the role of relative positioning, in order to obtain Obtain and more accurately position, multiple lockweights 20 and corresponding locking plug 26 can be set.
A kind of course of work of novel precise blanking die of the present embodiment is:When the mould operates, molding plate Material is positioned between upper mold portion and lower mold portion, and upper mold portion pressure, discharging plate 13 touches plate, 13 stress of discharging plate first Move up and withstand the feeding lathe of upper mold transmission rod 15 top oil cylinder, while because it is there are certain power, so that plate is pushed down, and Blanking punch 142 downwards by plate press-in lower mold portion cavity plate component in, reach blanking purpose, gear mass 100 completes shaping, 232 stress of blanking material returned part withstands the second transmission rod 234 at the same time, and it is sent into the oil cylinder of lathe lower part, by certain anti- Pressure withstands gear mass 100 and ensures shape and flatness;While blanking, due to being removed under blanking material returned part 232, in cavity plate component Centre bore punch 233 head into gear mass 100, play the role of punching, complete the shaping of profiled holes 200;Treat blanking, punching After the completion of hole, lathe applies the flaw that multidirectional forces release pinion gear molded part and punching is gone out, and four 16 lower gaps of guide post are matched somebody with somebody Suitable pilot hole 211, plays accurate guiding role, and so as to upper mold portion and the smooth work of lower mold portion, it is straight to stamp out the qualified products come Pusher was connected with the mode blown from 22 parallel release of concave template, qualified product is blown out into mould with air gun after product is released Face, ensures product quality, meets customer requirement, and conventional workpiece produces for single die, and efficiency is low, flatness is bad, product matter The problems such as unstable, die life is low are measured, which can improve production efficiency, reduce production originally, ensure product quality.
It should be appreciated that specific embodiment described above is only used for explaining the utility model, it is not used to limit this reality With new.Protection by the obvious changes or variations that the spirit of the utility model is extended out still in the utility model Among scope.

Claims (7)

  1. A kind of 1. novel precise blanking die, it is characterised in that:Including upper mold portion and lower mold portion;
    The upper mold portion, including top mold frame (11), stripper mould bases (12), discharging plate (13), punch assemblies, upper mold transmission rod (15) and guide post (16), top mold frame (11) underside are connected with the stripper mould bases (12), the stripper mould bases (12) through hole (121) is offered among, the discharging plate (13), the discharging plate are fixed with the through hole (121) (13) there is the upper mold transmission rod (15) on top above, offers upper mold profiled holes (131) on the discharging plate (13), it is described on Mould profiled holes (131) are built-in the punch assemblies, and the punch assemblies include punch-pin fixing sleeve (141), blanking punch (142), centre bore material returned part (143) and the first transmission rod (144), the punch-pin fixing sleeve (141) is built-in to have the blanking convex Mould (142), the blanking punch (142) is interior to be equipped with the centre bore material returned part (143), centre bore material returned part (143) top Portion is equipped with first transmission rod (144);
    The lower mold portion, including lower mold holder (21), concave template (22) and cavity plate component, are fixed with the lower mold holder (21) described Concave template (22), offers lower die profiled holes on the concave template (22), and the lower die profiled holes are built-in the cavity plate component, The cavity plate component include die case (231), blanking material returned part (232), centre bore punch (233), the second transmission rod (234) and Locking device (235), the die case (231) is built-in a blanking material returned part (232), under the blanking material returned part (232) Side is withstood on second transmission rod (234), and the centre bore punch (233), institute are equipped among the blanking material returned part (232) State below centre bore punch (233) on the fixed locking device (235);Wherein
    The punch assemblies and the cavity plate component are corresponding up and down, and the guide post (16) is fixed in the top mold frame (11), institute State and pilot hole (211) and the guide post (16) clearance fit are offered on stripper mould bases (12) and the lower mold holder (21).
  2. 2. novel precise blanking die according to claim 1, it is characterised in that:The punch assemblies and the cavity plate group Part is at least two pairs.
  3. 3. novel precise blanking die according to claim 1, it is characterised in that:Platform is offered on the top mold frame (11) Rank hole (111), the stepped hole (111) is interior to be equipped with packing ring (113) equipped with contour set (112), described contour set (112) top, Bolt (114) is screwed onto on the stripper mould bases (12) through the packing ring (113) and contour set (112).
  4. 4. novel precise blanking die according to claim 1, it is characterised in that:It is equipped with and unloads on the discharging plate (13) Backing strap plate (17), the discharging backing plate (17) are located in the through hole (121), and top mold frame (11) bottom is equipped with convex mould pad (18), the convex mould pad (18) is corresponding to the discharging backing plate (17), and the blanking punch (142) runs through the discharging backing plate (17), it is fixed on the convex mould pad (18), the upper mold transmission rod (15) acts against institute through the convex mould pad (18) State on discharging backing plate (17).
  5. 5. novel precise blanking die according to claim 4, it is characterised in that:The lower mold holder (21) and the cavity plate Cavity plate backing plate (24) is housed between plate (22).
  6. 6. novel precise blanking die according to claim 5, it is characterised in that:The stripper mould bases (12) and described Running through on discharging plate (13) has upper mold balancing pole (19), the lower mold holder (21), the cavity plate backing plate (24) and the cavity plate Through there is lower die balancing pole (25) on plate (22), the upper mold balancing pole (19) and the lower die balancing pole (25) are corresponding.
  7. 7. novel precise blanking die according to claim 6, it is characterised in that:The stripper mould bases (12) and described Also extended through on discharging plate (13) equipped with lockweight (20), run through being equipped with and the lockweight (20) phase on the concave template (22) The locking plug (26) answered, locking plug (26) lower section are provided with rebound part (27).
CN201721094525.1U 2017-08-29 2017-08-29 A kind of novel precise blanking die Active CN207238869U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721094525.1U CN207238869U (en) 2017-08-29 2017-08-29 A kind of novel precise blanking die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721094525.1U CN207238869U (en) 2017-08-29 2017-08-29 A kind of novel precise blanking die

Publications (1)

Publication Number Publication Date
CN207238869U true CN207238869U (en) 2018-04-17

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CN201721094525.1U Active CN207238869U (en) 2017-08-29 2017-08-29 A kind of novel precise blanking die

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108655271A (en) * 2018-06-25 2018-10-16 江苏科思朗科技有限公司 A kind of high-precision extrusion molding dies
CN112605265A (en) * 2020-12-01 2021-04-06 成都宏明双新科技股份有限公司 Thin material drawing and shaping die

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108655271A (en) * 2018-06-25 2018-10-16 江苏科思朗科技有限公司 A kind of high-precision extrusion molding dies
CN112605265A (en) * 2020-12-01 2021-04-06 成都宏明双新科技股份有限公司 Thin material drawing and shaping die

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