CN101306452A - Forming die of porous flanging stamping procedure and forming method thereof - Google Patents
Forming die of porous flanging stamping procedure and forming method thereof Download PDFInfo
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- CN101306452A CN101306452A CNA200710152713XA CN200710152713A CN101306452A CN 101306452 A CN101306452 A CN 101306452A CN A200710152713X A CNA200710152713X A CN A200710152713XA CN 200710152713 A CN200710152713 A CN 200710152713A CN 101306452 A CN101306452 A CN 101306452A
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Abstract
The invention relates to a forming die of a multi-hole flanging punching process and the forming method thereof. The forming die comprises an upper die holder and a lower die holder which are assembled together via a guide component; an upper padding plate, an upper fixing plate, an upper pressing plate and a forming male die are arranged on the bottom surface of the upper die holder, a forming female die corresponding to the forming male die is arranged on the upper surface of the lower die holder, and a padding iron is arranged on the bottom surface of the lower die holder. The invention changes the conventional punching method that requires two processes and two sets of dies to punch the bottom holes and flange the holes, and designs a punching method which comprises the steps of firstly deep drawing forming and then extrusion-shearing forming in one working position and requires only one process and one set of dies. The forming die of the invention realizes the one-shot punching forming of shutter holes, and the formed hole-flanging has smooth and neat edge without flash or burr; and after hole flanging, the outer surface of the whole panel is smooth without drawing deformation or corrugation, thereby conforming to the product technical requirements.
Description
Technical field
The present invention relates to a kind of mould of porous flanging stamping procedure of blinds fenestra of refrigerator-freezer panel, simultaneously, also relate to a kind of this and utilize the porous flanging forming method of this mould, belong to cold stamping and make the field.
Technical background
Usually design the panel that the blinds fenestra is arranged on the refrigerator-freezer, be furnished with multi-step forming processes on it, the blinds fenestra that wherein is shaped is last procedure, and the blinds fenestra plays heat radiation, ventilates.According to the size dimension and the correlation computations of product appearance, on all serial refrigerator panels, this blinds fenestra can be designed to one or more groups pattern.Refrigerator panel material therefor is a cold-rolled steel sheet, and expecting thick is 0.45mm, and its main technical requirements had following 2 points after the blinds fenestra was shaped: (1) hole flanging edge light requirement is sliding, and is clean and tidy; Overlap must not be arranged, burr; The rib sword of hindering hand can not be arranged.(2) the whole front panel outer surface must not have deep-drawing deformation behind the hole flanging, and the phenomenon that local convex-concave, wrinkling etc. influences presentation quality takes place.
Existing impact forming method can determine that this hole flanging moulding needs two procedures to finish: (1) is towards bottom outlet; (2) hole flanging is shaped.Corresponding mould is independently moulds of two cover difference: porcupine die and hole flanging shaping mould.Promptly need to arrange 2 punch presses on producing, 2-4 operative employee works simultaneously and just can finish the production of blinds fenestra.If the mode of production according to " many kinds; many specifications; small lot " is carried out scheduling of production, only blinds fenestra operation promptly needs to take workshop extensive capital equipment and producers, especially outstanding especially in this problem of busy season, existing forming method and mould have badly influenced the production efficiency of enterprise, and production efficiency is reduced greatly.
Summary of the invention
At the problems referred to above, the object of the present invention is to provide a kind of mould of porous flanging stamping procedure, to realize one time punching molded to the blinds fenestra.
Simultaneously, the present invention also aims to provide a kind of forming method that utilizes the mould of porous flanging stamping procedure,, enhanced productivity greatly to simplify production process.
To achieve these goals, technical program of the present invention lies in adopting a kind of mould of porous flanging stamping procedure, comprise upper bolster and die shoe, upper bolster and die shoe are assembled together by guidance set, the bottom surface of upper bolster is provided with upper padding plate, upper mounted plate, top board and forming convax mould, upper surface at die shoe is provided with the molding concave die corresponding with forming convax mould, and the bottom surface of die shoe is provided with parallels.
Described guidance set includes slidingtype guide pillar and guide pin bushing.
Being disposed with upper padding plate, upper mounted plate and top board on the bottom surface of described upper bolster is assembled together by binder screw and upper bolster.
Be provided with spring between described upper mounted plate and the top board.
Described spring is the Polyurethane spring.
Described die mouth is the arc chord angle structure.
Described die pull and stretch bottom is provided with squeezes the cutting blade mouth.
Simultaneously, technical program of the present invention also lies in adopting a kind of porous flanging forming method that utilizes the mould of this porous flanging stamping procedure, may further comprise the steps: the slider of punch setting in motion, and power is passed to the upper bolster of mould; Forming convax mould that is provided with on the upper bolster bottom surface and top board are pressed on the blank material on the upper surface of die by the pressure that the Polyurethane spring is produced, and begin the blank material is carried out the ironing moulding; Finish to begin to enter behind the drawing and forming to squeeze and be cut into the type stage, the blank material is cut punch and cutting edge of die crowded and is finished die-cut to bottom outlet under the effect.
Described drawing and forming is to finish under punch and die gap are the condition of 1.1t.
The present invention has changed traditional method for punching that bottom outlet and hole flanging need two procedures, two molds that dashes, at first carry out the then crowded only process for stamping of need one procedure of shape that is cut into of drawing and forming and be designed to the same station of a mold, realized the one time punching molded of blinds fenestra.Mould of the present invention is when work, power from slider of punch passes to upper bolster, thus the described coupling part of upper bolster part by with the described coupling part of die shoe part by contacting one by one and along with the drawing and forming of deeply finishing cold-rolled steel sheet blank material in succession of contact one by one-squeeze and be cut into the shape action.The present invention only needs can realize drawing and forming and crowded cutting the end of towards once secondary mould that production efficiency not only is doubled, and greatly reduces all kinds of means of production, more can show its advantage when the busy season.Use mould of the present invention and forming method thereof not only to solve the problem of producing in batches, the hole flanging edge that molds simultaneously is smooth, and is clean and tidy, non-trimming, burr; And the whole front panel outer surface does not have deep-drawing deformation behind the hole flanging, and is smooth, wrinkle resistant, meets the product technology requirement; This method also has very big versatility, is applicable to all kinds of product types with porous flanging operation, has solved a great problem of enterprise, has good social benefit and economic benefit, is easy to apply.
Description of drawings
Fig. 1 is the structural representation of mould of the present invention;
Fig. 2 is the structural representation of die;
Fig. 3 is a die type hole circle angle clamp for machining installation diagram.
The specific embodiment
As shown in Figure 1 and Figure 2, the mould of porous flanging stamping procedure of the present invention, comprise upper bolster 10 and die shoe 2, upper bolster 10 is assembled together by slidingtype guide pillar and guide pin bushing with die shoe 2, the upper padding plate 8 that sets gradually on the bottom surface of upper bolster 10, upper mounted plate 6 and top board 4 are assembled together by binder screw 12 and upper bolster 10, upper surface at die shoe 2 is provided with the molding concave die corresponding with forming convax mould 3, and the bottom surface of die shoe 2 is provided with parallels 1.Be provided with Polyurethane spring 11 between upper mounted plate 6 and the top board 4, the die mouth is the arc chord angle structure, and die pull and stretch bottom is provided with squeezes the cutting blade mouth.
For finishing described drawing and forming operation, at first to punch, die and before cold-rolled steel sheet blank 13 contacts, the pressure that produces by 11 pairs of top boards of Polyurethane spring 4 tightly is pressed in blank 13 on the upper surface of die 3 mould at the punch press setting in motion.
Secondly, the punch of mould, die begin cold-rolled steel sheet blank material is carried out drawing and forming.At clearance between punch and die is under the situation of 1.1t, punch, die to cold-rolled steel sheet blank material acting in conjunction finish drawing and forming, this moment punch forming belong to the ironing moulding.For preventing that blank material deformation requirements when the drawing and forming from increasing the precompressed area as far as possible under the Product License condition, promptly the die upper surface area increases as far as possible.
At last, mould begins to enter crowded being cut into the shape stage behind the drawing and forming of finishing cold-rolled steel sheet blank material.Because having secondary, die squeezes the cutting blade mouth, so the bottom outlet blank is finished the die-cut of bottom outlet crowded cutting protruding, cutting edge of die under the effect.
The absolute dimension relation of utilizing fabrication hole and type hole in to each part type hole process is finished the processing and the manufacturing of fabrication hole by clamping.Die part as shown in Figure 3, clamping of 2-φ 12H7 and 16 type holes is finished processing by the electric wire cutting equipment.Other major part fabrication holes also all adopt the same processing method of same benchmark to finish.As shown in Figure 4, the machine-shaping device comprises cover half mandrel 14, electrospark electrode location-plate 15 and die 16, and this structure has guaranteed the machining accuracy of each parts.
It should be noted last that: above embodiment is the unrestricted technical scheme of the present invention in order to explanation only, although the present invention is had been described in detail with reference to the foregoing description, those of ordinary skill in the art is to be understood that: still can make amendment or be equal to replacement the present invention, and not breaking away from any modification or partial replacement of the spirit and scope of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (9)
1, a kind of mould of porous flanging stamping procedure, it is characterized in that: comprise upper bolster and die shoe, upper bolster and die shoe are assembled together by guidance set, the bottom surface of upper bolster is provided with upper padding plate, upper mounted plate, top board and forming convax mould are provided with the molding concave die corresponding with forming convax mould at the upper surface of die shoe, and the bottom surface of die shoe is provided with parallels.
2, the mould of porous flanging stamping procedure according to claim 1 is characterized in that: described guidance set includes slidingtype guide pillar and guide pin bushing.
3, the mould of porous flanging stamping procedure according to claim 2 is characterized in that: the upper padding plate that sets gradually on the bottom surface of described upper bolster, upper mounted plate and top board are assembled together by binder screw and upper bolster.
4, the mould of porous flanging stamping procedure according to claim 3 is characterized in that: be provided with spring between described upper mounted plate and the top board.
5, the mould of porous flanging stamping procedure according to claim 4 is characterized in that: described spring is the Polyurethane spring.
6, the mould of porous flanging stamping procedure according to claim 5 is characterized in that: described die mouth is the arc chord angle structure.
7, the mould of porous flanging stamping procedure according to claim 6 is characterized in that: described die pull and stretch bottom is provided with squeezes the cutting blade mouth.
8, a kind of porous flanging forming method that utilizes the mould of arbitrary described porous flanging stamping procedure among the claim 1-7 is characterized in that: may further comprise the steps: the slider of punch setting in motion, and power is passed to the upper bolster of mould; Forming convax mould that is provided with on the upper bolster bottom surface and top board are pressed on the blank material on the upper surface of die by the pressure that the Polyurethane spring is produced, and begin the blank material is carried out the ironing moulding; Finish to begin to enter behind the drawing and forming to squeeze and be cut into the type stage, the blank material is cut punch and cutting edge of die crowded and is finished die-cut to bottom outlet under the effect.
9, forming method according to claim 8 is characterized in that: described drawing and forming is to finish under punch and die gap are the condition of 1.1t.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200710152713XA CN101306452A (en) | 2007-05-17 | 2007-09-11 | Forming die of porous flanging stamping procedure and forming method thereof |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710054415 | 2007-05-17 | ||
| CN200710054415.7 | 2007-05-17 | ||
| CNA200710152713XA CN101306452A (en) | 2007-05-17 | 2007-09-11 | Forming die of porous flanging stamping procedure and forming method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101306452A true CN101306452A (en) | 2008-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200710152713XA Pending CN101306452A (en) | 2007-05-17 | 2007-09-11 | Forming die of porous flanging stamping procedure and forming method thereof |
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| CN (1) | CN101306452A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101585065B (en) * | 2009-06-11 | 2011-04-20 | 崔学君 | Method for producing metal protection member stabbed hole flanging |
| CN103316999A (en) * | 2013-07-02 | 2013-09-25 | 无锡微研有限公司 | Inclined wedge structure of louver die |
| CN104209399A (en) * | 2014-08-22 | 2014-12-17 | 无锡柯马机械有限公司 | Method for processing stainless steel plate hole with flange |
| CN104338848A (en) * | 2013-08-07 | 2015-02-11 | 江苏博俊工业科技股份有限公司 | Cracking-free stamping die for hole flanging of stainless steel thick plate |
| CN113000647A (en) * | 2021-02-26 | 2021-06-22 | 临沂大学 | Method and equipment for manufacturing small-diameter slotted cylindrical metal part with one end flanged |
-
2007
- 2007-09-11 CN CNA200710152713XA patent/CN101306452A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101585065B (en) * | 2009-06-11 | 2011-04-20 | 崔学君 | Method for producing metal protection member stabbed hole flanging |
| CN103316999A (en) * | 2013-07-02 | 2013-09-25 | 无锡微研有限公司 | Inclined wedge structure of louver die |
| CN104338848A (en) * | 2013-08-07 | 2015-02-11 | 江苏博俊工业科技股份有限公司 | Cracking-free stamping die for hole flanging of stainless steel thick plate |
| CN104338848B (en) * | 2013-08-07 | 2017-02-15 | 江苏博俊工业科技股份有限公司 | Cracking-free stamping die for hole flanging of stainless steel thick plate |
| CN104209399A (en) * | 2014-08-22 | 2014-12-17 | 无锡柯马机械有限公司 | Method for processing stainless steel plate hole with flange |
| CN113000647A (en) * | 2021-02-26 | 2021-06-22 | 临沂大学 | Method and equipment for manufacturing small-diameter slotted cylindrical metal part with one end flanged |
| CN113000647B (en) * | 2021-02-26 | 2023-08-29 | 临沂大学 | Method and equipment for manufacturing small-diameter slotted cylindrical metal piece with one end turned |
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Open date: 20081119 |