CN207746291U - A kind of mold for carrying out punching press hole flanging - Google Patents

A kind of mold for carrying out punching press hole flanging Download PDF

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Publication number
CN207746291U
CN207746291U CN201721859840.9U CN201721859840U CN207746291U CN 207746291 U CN207746291 U CN 207746291U CN 201721859840 U CN201721859840 U CN 201721859840U CN 207746291 U CN207746291 U CN 207746291U
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CN
China
Prior art keywords
punch
hole
flange
mold
hole flanging
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CN201721859840.9U
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Chinese (zh)
Inventor
卢楚鹏
王玉杰
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FOSHAN SHUNDE WANHE ELECTRICAL FITTINGS Co Ltd
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FOSHAN SHUNDE WANHE ELECTRICAL FITTINGS Co Ltd
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Abstract

The utility model provides a kind of mold for carrying out punching press hole flanging, it includes upper mould body and lower die main body, processing punch is fixedly connected in the upper mould body, the lower die main body includes processing punch flange cavity plate positioned opposite with described, the mould bottom of the flange cavity plate offers the location hole for blanking, the processing punch includes the first punch for hole flanging being linked in sequence successively from top to bottom and the second punch for punching, and the internal diameter of the inlet of the location hole is equal with the diameter of the first punch.The mold of the carry out punching press hole flanging can be while completing to workpiece hole flanging, the waste material being adhered near the oral area of flange is directly cut off, optimize flange hole technology, the effective actual mechanical process for simplifying flange hole technology, it improves the quality of production of product and rushes hole flanging processing efficiency, reduce the labor intensity of staff.

Description

A kind of mold for carrying out punching press hole flanging
Technical field
The utility model is related to metal stamping die processing technique fields more particularly to a kind of for carrying out punching press hole flanging Mold.
Background technology
Hole flanging is the processing method for stamping for the peritreme on plank being translated into using mold vertical edge, is one of flange in shaping mould Kind, belong to the plastic deformation process in punching press basic working procedure, is mainly used for making the part equipped with other parts, or in order to carry The rigidity of high part, and the specific shape gone out under adding.It with this method can be complex with machining shape and with good rigid The three-dimensional part of degree and proportional space shape, also can be when large-scale sheet metal component be shaped as control rupture or the means of wrinkle.It is existing Have in technology using diel when being sheet metal component hole flanging, the waste material generated in punch process is often adhered to the oral area of flange Near, form the defect of shape of ears.After product comes into operation, these waste materials on the one hand can squeeze the component contacted with each other therewith or Accessory influences the aesthetics or damage product of product;On the other hand, it is also possible to be taken off at random under the operating mode vibrated or shaken It falls, causes safety accident;Or be also possible to be adhered on mold, the precision of mold is reduced, the smooth of subsequent job is influenced Carry out.The excision of waste material is generally carried out using dedicated cutting mould in production at present or is finally completed product by manually Cut and polish work, and labor intensity is big and complex procedures, unstable quality.
Utility model content
In order to solve the above technical problems, the purpose of this utility model is to provide a kind of mold carrying out punching press hole flanging, it should The mold for carrying out punching press hole flanging can be while completing to workpiece hole flanging, and by being adhered to, the waste material near the oral area of flange is direct It is cut off, optimizes flange hole technology, the effective actual mechanical process for simplifying flange hole technology improves the quality of production and the punching of product Hole flanging processing efficiency reduces the labor intensity of staff.
Based on this, the utility model proposes a kind of molds for carrying out punching press hole flanging, which is characterized in that including upper mold Main body and lower die main body are fixedly connected with processing punch in the upper mould body, and the lower die main body includes and the processing is rushed Flange cavity plate positioned opposite, the mould bottom of the flange cavity plate offers the location hole for blanking, the processing punch packet The first punch for hole flanging being linked in sequence successively from top to bottom and the second punch for punching are included, the location hole enters Internal diameter at mouthful is equal with the diameter of the first punch.
Optionally, it is formed for being positioned to flange material between the mould bottom and the location hole of the flange cavity plate Step.
Optionally, the width of the step is equal with the thickness of flange formed in the flange cavity plate.
Further, the diameter of first punch is more than the diameter of second punch.
Optionally, it is connected using arc surface transition between first punch and second punch.
Optionally, the location hole is straight hole or bellmouth or stepped hole.
Optionally, the location hole is bellmouth, and the angular range of the taper angle theta of the bellmouth meets 1 °≤θ≤5 °.
Further, the lower die main body includes lower die holder, and the hole flanging cavity plate is fixedly connected on the lower die holder, institute It states and is provided at least a pair of support element for being divided into hole flanging cavity plate both sides on lower die holder.
Optionally, the support element is jigger pin, and the jigger pin is telescopically connected on the lower die holder.
Optionally, the upper mould body includes upper die holder and the upper pressure that is flexibly connected with the upper die holder by elastic component Plate, the processing punch are fixedly connected on the upper die holder, and the processing punch is vertically arranged on the top board.
Implement the mold provided by the utility model for carrying out punching press hole flanging, has the advantages that:
The utility model includes upper mould body and lower die main body, the upper mould body for carrying out the mold of punching press hole flanging On be fixedly connected with processing punch, the lower die main body includes the flange cavity plate positioned opposite with the processing punch, described to turn over The mould bottom of edge die offers the location hole for blanking, and the processing punch includes being used for of being linked in sequence successively from top to bottom First punch of hole flanging and the second punch for punching, the internal diameter of the inlet of the location hole are straight with first punch Diameter is equal.Processing punch in upper mould body is right against on flange cavity plate, can be to the work to be processed on flange cavity plate Part is punched out the work with flange, and processing punch includes the first punch and the second punch being linked in sequence successively from top to bottom, When upper mould body and lower die main body are molded, the second punch can pass through the surface of workpiece to be processed to enter flange cavity plate In, processing hole is formed on workpiece to be processed, waste material is adhered to around processing hole at this time, when upper mould body and lower die main body When continuing molding, the first punch is gradually downwardly into flange cavity plate, processes the material around hole at this time in the first punch Momentum effect under, gradually bent and be plastically deformed into flange cavity plate, to be formed and turned over around processing hole Thus side completes the hole flanging processing to workpiece to be processed, ensures the machining accuracy of hole flanging, prevent the oral area cracking of hole flanging With serious thinning phenomenon, simplify the operating procedure of hole flanging;Waste material remains adhered to around the oral area of flange at this time, and at this time first Punch, which continues to move downwardly to, to be entered in location hole, at this time shape between the end of the first punch and the entrance convex edge of location hole At cutting structure, the waste material being adhered to around the oral area of flange is directly cut off, the mold is used so as to greatly simplify The flow for carrying out hole flanging processing, waste material while completing hole flanging directly cut and be discharged, the effective production for improving product Quality and hole flanging processing efficiency is rushed, can also reduce the labor intensity of staff.
Description of the drawings
Fig. 1 is the structural schematic diagram when upper mould body described in the present embodiment is detached with lower die main body;
Fig. 2 is the enlarged structure schematic diagram at A in Fig. 1;
Fig. 3 is that the first punch is located at the knot in flange cavity plate when the upper mould body described in the present embodiment is molded with lower die main body Structure schematic diagram;
Fig. 4 is the enlarged structure schematic diagram at B in Fig. 3;
Fig. 5 is that the first punch is located at location hole when the upper mould body for rushing hole flanging mold described in the present embodiment is molded with cavity plate Interior structural schematic diagram;
Fig. 6 is the enlarged structure schematic diagram at C in Fig. 5.
Reference sign:
1, upper mould body, 11, upper die holder, 12, elastic component, 13, top board, 2, processing punch, the 21, first punch, 22, the Two punches, 3, lower die main body, 31, flange cavity plate, 32, location hole, 33, lower die holder, 4, waste material, 5, workpiece, 51, flange, 6, branch Support member.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts The every other embodiment obtained, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation of the instructions such as term "upper", "lower", "left", "right" Or position relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model and simplification is retouched It states, does not indicate or imply the indicated device or element must have a particular orientation, with specific azimuth configuration and operation, Therefore it should not be understood as limiting the present invention.
Referring to Fig. 1 to Fig. 6, the mold for carrying out punching press hole flanging described in the preferred embodiment of the utility model includes Mould main body 1 and lower die main body 3, are fixedly connected with processing punch 2 in the upper mould body 1, the lower die main body 3 include with it is described 51 cavity plate 31 of flange positioned opposite of punch 2 is processed, the mould bottom of 51 cavity plate 31 of the flange offers the location hole for blanking 32, the processing punch 2 includes the first punch 21 for hole flanging and for punching being linked in sequence successively from top to bottom Two punches 22, the internal diameter of the inlet of the location hole 32 are equal with the diameter of first punch 21.
Workpiece to be processed 5 is placed on flange 51 when carrying out hole flanging processing to workpiece to be processed 5 based on the above structure It on cavity plate 31, rushes in the upper mould body 1 of hole flanging mold and is fixedly connected with processing punch 2, processing punch 2 includes from top to bottom successively The first punch 21 and the second punch 22 of connection, 51 cavity plate 31 of flange that lower die main body 3 includes and processing punch 2 is positioned opposite, The mould bottom of 51 cavity plate 31 of flange offers the location hole 32 for blanking, in the mistake that upper mould body 1 and lower die main body 3 are molded Cheng Zhong, the second punch 22 are first contacted with the workpiece to be processed 5 on 51 cavity plate 31 of flange and across the workpiece 5 to be formed Hole is processed, can be that hole flanging process processes pre-manufactured hole, the waste material 4 on workpiece 5 be adhered to around processing hole at this time;Upper mold During main body 1 continues molding with lower die main body 3, when the second punch 22 passes through processing hole to enter location hole 32, the first punch 21 are downwardly into 51 cavity plate 31 of flange, process hole around material take place under the impulse force of the first punch 21 deformation and it is curved Folding, can form step between the bottom and location hole 32 of 51 cavity plate 31 of flange, the material of bending be located in the step and by It is gradually plastically deformed, ultimately forms the flange 51 around processing hole, but waste material 4 remains adhered to the port of flange 51 at this time On;First punch 21 continues to move downwardly to when will enter location hole 32, and the end of the first punch 21 is convex with location hole 32 Cutting structure can be formed between, the waste material 4 of adherency is cut off from the port of flange 51, to complete the hole flanging of workpiece 5 With cut shaping, whole operation process is very simple, and principle is reliable, can greatly improve workpiece 5 implement flange hole technology plus Work efficiency rate improves the processing quality of workpiece 5, simplifies operating procedure, reduces the labor intensity of staff.
Wherein, the internal diameter of 51 cavity plate 31 of flange is more than the internal diameter of location hole 32, so the bottom of 51 cavity plate 31 of flange can The step for being positioned to 51 material of flange is formed between the inner wall of location hole 32, to be provided for the flange 51 of formation The space of positioning squeezes the flange 51 obtained by the first punch 21 and is positioned and be plastically deformed in step, it is ensured that flange 51 Molding it is reliable;The width of difference, that is, step of the internal diameter of 51 cavity plate 31 of flange and the internal diameter of location hole 32 is equal to 51 cavity plate 31 of flange The thickness of the flange 51 of middle formation, that is, the material after bending can be between the inner wall and the first punch 21 of 51 cavity plate 31 of flange Accurate positioning is realized in space, and the width of the step formed between 51 cavity plate 31 of flange and location hole 32 can be to flange 51 Verticality reliably determined, ensure flange hole technology during formed hole flanging quality.The diameter of first punch 21 is more than The diameter of second punch 22 carries out hole flanging processing for the first punch 21 convenient for the second punch 22 and provides precondition, and diameter is smaller The processing hole that is initially formed on workpiece 5 of the second punch 22, for follow-up first punch 21 can carry out hole flanging processing provide it is prefabricated Hole, convenient for being smoothed out for following process process.Circular arc is used between the end of second punch 22 and the end of the first punch 21 Face transition connection can effectively avoid the hole flanging oral area at processing mouth cracking or serious thinning defect, ensure flange 51 machining accuracy simplifies the operating procedure of hole flanging process, ensures the quality that hole flanging processing is carried out to workpiece 5.It needs herein Bright, in the present embodiment, location hole 32 can be straight hole, can also be bellmouth or stepped hole, as long as ensureing location hole 32 entrance hole diameter is less than the internal diameter of 51 groove of flange and equal with the diameter of the first punch 21, i.e., when the first punch 21 into When entering location hole 32, the end of the first punch 21 can form cutting structure between the convex edge of location hole 32, so that viscous It is attached to the waste material 4 at the port of flange 51 can directly be cut, and is discharged from location hole 32, thus realizing hole flanging The waste material 4 of adherency is cut off simultaneously, completes the processing of cutting and reforming process of workpiece 5, the effective processing work for simplifying workpiece 5 Skill improves the shaping efficiency of flange hole technology, improves the processing quality of product;When location hole 32 is using bellmouth is selected, taper The internal diameter in hole is gradually to be increased to exit by the entrance of location hole 32, consequently facilitating cutting the waste material 4 to get off by hole flanging cropping Fallen out of this bellmouth, prevent waste material 4 be stuck in can not be fallen in location hole 32 and cause location hole 32 block show As avoiding impacting the efficiency and quality of process, the angular range of the taper angle theta of bellmouth is preferably 1 °≤θ≤5 °. In other embodiments, the shape of location hole 32 is not limited by the present embodiment, suitable when that can be selected according to actual needs Shape.
Referring to Fig. 1 to Fig. 6, lower die main body 3 includes lower die holder 33, and hole flanging cavity plate is fixedly connected on lower die holder 33, lower die A pair of support element 6 for being divided into hole flanging cavity plate both sides is provided on seat 33, support element 6 is telescopically connect with lower die holder 33, When being installed to workpiece 5, support element 6 is in ejection state, and workpiece 5 is directly placed on support element 6 and carries out by staff Positioning, it is convenient and efficient;After the completion of the work that hole flanging and waste material 4 to workpiece 5 are cut off, support element 6 can be directly by workpiece 5 Ejection, facilitates staff to dismantle the workpiece 5 processed, improves the installation and removal efficiency of workpiece 5.The present embodiment In, support element 6 can ensure the stability of 5 ejection process of workpiece using jigger pin.Upper mould body 1 includes upper die holder 11 With the top board 13 being flexibly connected with upper die holder 11 by elastic component 12, processing punch 2 is fixedly connected on upper die holder 11, and is added Work punch 2 is vertically arranged on top board 13, when upper mould body 1 and lower die main body 3 are molded, top board 13 at first with peace Workpiece 5 on hole flanging cavity plate contacts, and workpiece 5 is flattened, and ensures the stability that workpiece 5 positions in process, in elasticity Under the action of part 12, upper die holder 11 gradually pushes, and drives processing punch 2 to move downwardly to across top board 13, and processing is made to rush First 2 the second punch 22 is in contact with workpiece 5, and during upper module gradually pushes, the second punch 22 carries out workpiece 5 pre- Punching forms processing hole, and by the material around processing hole squeeze when the first punch 21 enters 51 cavity plate 31 of flange makes its bending Flange 51 is formed, flange 51 is located in 51 cavity plate 31 of flange, and after completing the processing of flange 51, processing punch is driven by upper die holder 11 2 leave workpiece 5, until top board 13 leaves workpiece 5 to cancel limitation to workpiece 5, the support element 6 on lower die holder 33 extend by Workpiece 5 ejects, and staff is facilitated to be collected the workpiece 5 machined.
The utility model includes upper mould body and lower die main body, the upper mould body for carrying out the mold of punching press hole flanging On be fixedly connected with processing punch, the lower die main body includes the flange cavity plate positioned opposite with the processing punch, described to turn over The mould bottom of edge die offers the location hole for blanking, and the processing punch includes being used for of being linked in sequence successively from top to bottom First punch of hole flanging and the second punch for punching, the internal diameter of the inlet of the location hole are straight with first punch Diameter is equal.Processing punch in upper mould body is right against on flange cavity plate, can be to the work to be processed on flange cavity plate Part is punched out the work with flange, and processing punch includes the first punch and the second punch being linked in sequence successively from top to bottom, When upper mould body and lower die main body are molded, the second punch can pass through the surface of workpiece to be processed to enter flange cavity plate In, processing hole is formed on workpiece to be processed, waste material is adhered to around processing hole at this time, when upper mould body and lower die main body When continuing molding, the first punch is gradually downwardly into flange cavity plate, processes the material around hole at this time in the first punch Momentum effect under, gradually bent and be plastically deformed into flange cavity plate, to be formed and turned over around processing hole Thus side completes the hole flanging processing to workpiece to be processed, ensures the machining accuracy of hole flanging, prevent the oral area cracking of hole flanging With serious thinning phenomenon, simplify the operating procedure of hole flanging;Waste material remains adhered to around the oral area of flange at this time, and at this time first Punch, which continues to move downwardly to, to be entered in location hole, at this time shape between the end of the first punch and the entrance convex edge of location hole At cutting structure, the waste material being adhered to around the oral area of flange is directly cut off, the mold is used so as to greatly simplify The flow for carrying out hole flanging processing, waste material while completing hole flanging directly cut and be discharged, the effective production for improving product Quality and hole flanging processing efficiency is rushed, can also reduce the labor intensity of staff.
It should be understood that describing various information, but these using term " first ", " second " etc. in the utility model Information should not necessarily be limited by these terms, these terms are only used for same type of information being distinguished from each other out.For example, not departing from this In the case of utility model range, " first " information can also be referred to as " second " information, similar, and " second " information can also It is referred to as " first " information.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art For personnel, without departing from the principle of this utility model, several improvement and deformations can also be made, these improve and become Shape is also considered as the scope of protection of the utility model.

Claims (10)

1. a kind of mold for carrying out punching press hole flanging, which is characterized in that including upper mould body and lower die main body, the upper mold master It is fixedly connected with processing punch on body, the lower die main body includes the flange cavity plate positioned opposite with the processing punch, described The mould bottom of flange cavity plate offers the location hole for blanking, and the processing punch includes the use being linked in sequence successively from top to bottom The first punch in hole flanging and the second punch for punching, the internal diameter of the inlet of the location hole and first punch Diameter is equal.
2. the mold according to claim 1 for carrying out punching press hole flanging, which is characterized in that the mould bottom of the flange cavity plate The step for being positioned to flange material is formed between the location hole.
3. the mold according to claim 2 for carrying out punching press hole flanging, which is characterized in that the width of the step and institute The thickness for stating the flange formed in flange cavity plate is equal.
4. the mold according to any one of claims 1 to 3 for carrying out punching press hole flanging, which is characterized in that described first The diameter of punch is more than the diameter of second punch.
5. according to claim 4 for carrying out the mold of punching press hole flanging, which is characterized in that first punch with it is described It is connected using arc surface transition between second punch.
6. according to claim 5 for carrying out the mold of punching press hole flanging, which is characterized in that the location hole be straight hole or Bellmouth or stepped hole.
7. the mold according to claim 6 for carrying out punching press hole flanging, which is characterized in that the location hole is taper Hole, and the angular range of the taper angle theta of the bellmouth meets 1 °≤θ≤5 °.
8. the mold according to claim 4 for carrying out punching press hole flanging, which is characterized in that under the lower die main body includes Die holder, the hole flanging cavity plate are fixedly connected on the lower die holder, be provided on the lower die holder at least a pair be divided into it is described The support element of hole flanging cavity plate both sides.
9. the mold according to claim 8 for carrying out punching press hole flanging, which is characterized in that the support element is liftout Pin, the jigger pin are telescopically connected on the lower die holder.
10. according to claim 1 for carrying out the mold of punching press hole flanging, which is characterized in that the upper mould body includes Upper die holder and the top board being flexibly connected with the upper die holder by elastic component, the processing punch are fixedly connected on the upper mold On seat, and the processing punch is vertically arranged on the top board.
CN201721859840.9U 2017-12-26 2017-12-26 A kind of mold for carrying out punching press hole flanging Active CN207746291U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721859840.9U CN207746291U (en) 2017-12-26 2017-12-26 A kind of mold for carrying out punching press hole flanging

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Application Number Priority Date Filing Date Title
CN201721859840.9U CN207746291U (en) 2017-12-26 2017-12-26 A kind of mold for carrying out punching press hole flanging

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109482739A (en) * 2018-12-04 2019-03-19 贵州航天新力铸锻有限责任公司 Formed punch blank holder integrated mould
CN110732591A (en) * 2019-10-31 2020-01-31 宁波奥克斯厨电制造有限公司 punch head structure and punching method
CN110947836A (en) * 2019-11-28 2020-04-03 中国第一汽车股份有限公司 Die structure for punching and flanging hole at one time and forming method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109482739A (en) * 2018-12-04 2019-03-19 贵州航天新力铸锻有限责任公司 Formed punch blank holder integrated mould
CN110732591A (en) * 2019-10-31 2020-01-31 宁波奥克斯厨电制造有限公司 punch head structure and punching method
CN110947836A (en) * 2019-11-28 2020-04-03 中国第一汽车股份有限公司 Die structure for punching and flanging hole at one time and forming method

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