CN100486729C - Zipper type cold stamping method, and splitting die - Google Patents
Zipper type cold stamping method, and splitting die Download PDFInfo
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- CN100486729C CN100486729C CNB2007100218853A CN200710021885A CN100486729C CN 100486729 C CN100486729 C CN 100486729C CN B2007100218853 A CNB2007100218853 A CN B2007100218853A CN 200710021885 A CN200710021885 A CN 200710021885A CN 100486729 C CN100486729 C CN 100486729C
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- metal material
- material belt
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Abstract
A zipper-type cold punching method features that a raw metallic band is continuously cut in the direction perpendicular to its length direction and alternatively cut in the direction parallel to its length direction to make the workpiece be linked to the excessive material, and a dividing die is used to separate the workpiece from the excessive material in zipper mode. Said dividing die has left and right material guiding chambers with different heights and consisting of left and right guide plates and central dividing head.
Description
Technical field
The present invention relates to the method and the diel thereof of punching parts on sheet metal, relate in particular to the method and the diel thereof of punching press miniature precision part on sheet metal strip.
Background technology
Be extensive use of the miniature precision metal parts in the manufacturing of industrial products, generally utilize punch press and mould, punch process makes the miniature precision metal parts on sheet metal strip.The method of punch process described in the prior art generally has two kinds: a kind of method is to utilize a few cover single modes to the punching press of strip substep, makes above-mentioned metal parts.Though this method stock utilization height needs a large amount of equipment and manpower, particularly in stamping procedure to the location of strip, waste time and energy more, production efficiency is low, the manufacturing cost height.Above-mentioned punching press single mode will have several covers, complex structure, and manufacturing cost is also high.Another kind method is to adopt the continuous punching press strip of punch die, make above-mentioned metal parts, production efficiency is greatly improved, but according to existing technological level, behind the continuous presswork metal parts of this method, between the punching on the strip, leave big spacing, also leave certain spacing between punching and the strip left and right edges, therefore its stock utilization is very low, also causes the manufacturing cost height.
Summary of the invention
During at above-mentioned existing two kinds of process for stamping punching out metal parts, waste time and energy, production efficiency is low or stock utilization is low and the diel complex structure, ineffective problem, the applicant studies and tests, the another kind of zipper type cold stamping method that utilizes the continuous punching press precision component of punch die on metal material belt is provided, during this method punching press precision component, it is time saving and energy saving to have, the advantage of high efficiency and high stock utilization, meanwhile, the present invention also provides a kind of splitting die when implementing above-mentioned process for stamping, this splitting die is simple in structure, high efficiency.
The technical scheme of the inventive method is as follows:
A kind of zipper type cold stamping method that on metal material belt, utilizes decompressor and diel punching parts, it comprises following processing step and process,
(1) metal material belt is inserted in the locating part of cold punching die, utilize diel in metal material belt upper punch correcting hole, the guide device that utilizes diel is to metal material belt correcting and location;
(2) remove a part of unnecessary material in the metal material belt upper punch;
(3) joint-cutting of punching parts on metal material belt;
(4) metal material belt of handling through step (3) is carried out sub-material, the metal material belt that has half-finished parts through sub-material is flattened shaping;
(5) half-finished parts on step (4) metal material belt is carried out integer;
(6) blanking: the part after the integer is separated with the unnecessary material of residue;
The inventive method also comprises following processing step and process:
(7) described unnecessary material of step (2) and the unnecessary material level of the described residue of step (6) are in the both sides of described metal material belt;
(8) set by step (3) during the joint-cutting of punching parts, perpendicular to the continuous joint-cutting of metal material belt length direction, are being parallel to the staggered joint-cutting of metal material belt length direction on metal material belt, make one side and the adhesion mutually of the unnecessary material of the described residue of step (6) of described part;
(9) sub-material: with the described part of step (8) and with the unnecessary material of residue of its adhesion by dividing right and left, become the described metal material belt that has half-finished parts of step (4) through sub-material.
If the part to punching press has stamping forming step, can carry out punch forming earlier to the described half-finished parts of step (4), enter processing step (5) again.
The technical scheme of splitting die of the present invention is as follows:
The splitting die that is used for zipper type cold stamping method, it comprises die holder, sequence unit backing plate and template on the die holder, in die holder, install plug screw, in die holder and backing plate, on plug screw, install spring, device buoyance lift pin in template, one end of buoyance lift pin and described spring butt, on template, install left stock guide and right stock guide respectively in the both sides of buoyance lift pin, it is characterized in that device has sub butt ends between described left stock guide and right stock guide, the sub-material end of sub butt ends is for splitting shape, and the cross section of sub butt ends is a T shape, and the left side of T shape sub butt ends and right side constitute left guide chamber and right guide chamber with left stock guide and right stock guide respectively.
The height of described left guide chamber and right guide chamber does not wait.
Substantive distinguishing features that the present invention gives prominence to and significant technique effect are:
When utilizing the joint-cutting of decompressor and diel punching parts on metal material belt, perpendicular to the continuous joint-cutting of metal material belt length direction, be parallel to the staggered joint-cutting of metal material belt length direction, make one side and the unnecessary material adhesion of staying in the metal material belt both sides mutually of required metal parts, metal material belt after the joint-cutting can be torn with splitting die, is divided into two metal material belts that have half-finished parts as slide fastener.By above-mentioned joint-cutting method, between adjacent two metal parts, do not stay spacing, there is not unnecessary material, at the unnecessary material of metal material belt both sides also seldom, have high stock utilization, and have high die-cut efficient, die-cut laborsaving saving time.Splitting die of the present invention is simple in structure, the continuous continuous sub-material of punching press, and as the sub-material of tearing slide fastener, not only laborsaving saving time, and also operating efficiency is high.
Description of drawings
Fig. 1 is the front view with the inventive method and the die-cut part embodiment of feeding-distribution device thereof;
Fig. 2 is the cutaway view with the inventive method and the die-cut part embodiment of feeding-distribution device thereof;
Fig. 3 is the schematic diagram of the inventive method;
Fig. 4 looks schematic diagram (containing metal strip) for the left side of splitting die structure of the present invention, and the A from Fig. 5 looks left;
Fig. 5 is the schematic top plan view (not containing metal strip) of splitting die structure of the present invention;
Fig. 6 is the schematic top plan view (containing metal strip) of splitting die structure of the present invention.
For knowing expression structure, more than the ratio of each figure not the same.
The specific embodiment
Enforcement below in conjunction with description of drawings the inventive method and splitting die thereof.
Comprise decompressor (as punch press), diel and Sheet Metal Forming Technology method according to the inventive method punching press on metal material belt as shown in Figure 1 and Figure 2 during the embodiment part.
Decompressor wherein can be used conventional punch press.Diel is except that splitting die, other can use conventional diel, for example, by existing punch press and conventional die assembly, wherein conventional mould comprises mold device and bed die device, and the upper end of mold device is connected with the Slipper of punch press, and its lower end is connected with the discharging material pressing device, the location guide device of strip is installed on mold device and discharging material pressing device and visits the mistake device, described spy mistake device is connected with the control system of punch press; The bed die device is connected with buoyance lift material lift device; Guide pillar guide pin bushing, i.e. guider are installed between described mold device, discharging material pressing device, buoyance lift material lift device and bed die device; The locating part of metal material belt is installed on bed die; Left and right direction at the bed die device is installed feeder and collecting machine respectively; On mold and bed die, install the punch die and the edge of a knife respectively; Above-mentioned each device all is quotidian known technology in commercially available punch press and mould, and for its concrete structure, the applicant no longer illustrates.
Process wherein is described as follows referring to Fig. 3:
1. pre-punched hole: utilize continuous die-cut of punch die to portal 2 on metal material belt 1, it is as the correcting hole to the metal material belt location, and by Fig. 1, shown in Figure 2, this pre-punched hole 2 is again the intrinsic hole of processing parts;
2., 3. correcting: the location guide device is made of the pilot pin, spring, the plug screw that are installed in the mold device, is stretched in the above-mentioned pre-punched hole 2 position of correcting metal material belt by pilot pin;
4. smart punching: make pre-punched hole 2 more accurately die-cut;
5., 6.: further correcting metal material belt 1 position;
7., 8.: adopt the punching mode to excise the unnecessary material 3 of a periphery of part part, this unnecessary material 3 is positioned at the both sides of metal material belt 1;
9., 10.: the joint-cutting of punching parts on metal material belt: see Fig. 3 and shown in Figure 1, perpendicular to the continuous joint-cutting 4 of metal material belt 1 length direction, be parallel to the staggered joint-cutting 5 or 6 of metal material belt 1 length direction, make one side 5 of part shown in Figure 1 and the unnecessary rim charge 8 maintenance adhesions of another part (remainder), and make the another side 6 of part shown in Figure 1 and unnecessary rim charge 7 keep adhesions.
Sub-material method: metal material belt 1 is torn along above-mentioned joint-cutting 4,5,6, make the unnecessary material of the residue of half-finished parts 9,10 and phase adhesion thereof 7,8 separate to both sides, half-finished parts 9,10 wherein interlocks and separates to both sides, becomes the semi-finished product strip 17 and 19 through sub-material respectively.
Feeding-distribution device: adopt splitting die to implement above-mentioned sub-material work, its structure is seen Fig. 4 and Fig. 5: it comprises die holder 13, sequence unit backing plate 14 and concave template 15 on the die holder 13.Device plug screw 23 in die holder 13, device spring 22 in die holder 13 and backing plate 14, device buoyance lift pin 21 in concave template 15, one end of buoyance lift pin 21 and spring 22 butts, buoyance lift pin 21 and spring 22 and plug screw 23 constitute the buoyancy device of metal material belts, Fig. 4, Fig. 5 and Fig. 6 illustrate described buoyancy device, the die holder 13 among the Fig. 4 that wherein do not draw among Fig. 5.Not sub-material station I and sub-material station III that Fig. 6 is illustrated in metal material belt have a row and two row's buoyance lift pins, spring and plug screw structure respectively.See Fig. 4, Fig. 5, on the concave template 15 in about the both sides of two row's buoyance lift pins 21 install left stock guide 16 and right stock guide 20 respectively, device has sub butt ends 18 between left and right stock guide, Fig. 5 illustrates the sub-material end of sub butt ends 18 for splitting shape, the cross section that Fig. 4 illustrates sub butt ends 18 is a T shape, and the left side of T shape sub butt ends and right side constitute left guide chamber 24 and right guide chamber 25 with the left stock guide and the right stock guide of rectangular shaped respectively.
The course of work of feeding-distribution device below is described: see Fig. 4 and Fig. 6, wherein Fig. 6 is for packing metal material belt on the basis of Fig. 5,9., 10. the joint-cutting step is finished and mold device and the complete after separating of bed die device in Fig. 3, buoyance lift pin 21 in the buoyancy device in above-mentioned not sub-material section district (station I) is with metal material belt 1 jack-up, after floating to specified altitude, autoloader send a step pitch forward with metal material belt, sends into station II from station I.Metal material belt 1 is limited in the stock guide 16 and 20 of both sides when station I; When station II, no longer include stock guide, in Fig. 3 step 9., 10. the metal material belt 1 of joint-cutting under the effect of internal stress and shear stress, can split to both sides along joint-cutting voluntarily, splitting becomes two semi-finished product strips 17 and 19, sees Fig. 6 and Fig. 4, two semi-finished product strips 17 that will split and 19 import in the left guide chamber 24 and right guide chamber 25 of station III, along with the feeding forward of strip 17 and 19, sub butt ends constantly carries out sub-material, the similar manner of execution that unzips of its sub-material action.As most preferred embodiment, should there be different height above-mentioned left guide chamber 24 and right guide chamber 25, make strip 17 and 19 that different height be arranged, and so sub-material is quick.The height a of the chamber of left guide shown in Fig. 4 24 is greater than the height b of right guide chamber 25, and this can realize by the corresponding size that changes stock guide 16,20 and sub butt ends;
Integer improves the precision of whole processing parts, becomes fabricated part 11 and 12;
In above-mentioned technical process, adopt existing autoloader feeding, adopt existing automatic material receiving machine rewinding.
According to the difference of processing parts structure, above-mentioned forming step can increase or reduce.
Claims (4)
1. zipper type cold stamping method that on metal material belt, utilizes decompressor and diel punching parts, it comprises following processing step and process,
(1) metal material belt is inserted in the locating part of cold punching die, utilize diel in metal material belt upper punch correcting hole, the guide device that utilizes diel is to metal material belt correcting and location;
(2) remove a part of unnecessary material in the metal material belt upper punch;
(3) joint-cutting of punching parts on metal material belt;
(4) metal material belt of handling through step (3) is carried out sub-material, the metal material belt that has half-finished parts through sub-material is flattened shaping;
(5) half-finished parts on step (4) metal material belt is carried out integer;
(6) blanking: the part after the integer is separated with the unnecessary material of residue;
It is characterized in that also comprising following processing step and process:
(7) described unnecessary material of step (2) and the unnecessary material level of the described residue of step (6) are in the both sides of described metal material belt;
(8) set by step (3) during the joint-cutting of punching parts, perpendicular to the continuous joint-cutting of metal material belt length direction, are being parallel to the staggered joint-cutting of metal material belt length direction on metal material belt, make one side and the adhesion mutually of the unnecessary material of the described residue of step (6) of described part;
(9) sub-material: with the described part of step (8) and with the unnecessary material of residue of its adhesion by dividing right and left, become the described metal material belt that has half-finished parts of step (4) through sub-material.
2. by the described zipper type cold stamping method of claim 1, it is characterized in that the described half-finished parts of step (4) is carried out moulding earlier, enter processing step (5) again.
3. splitting die that is used for zipper type cold stamping method as claimed in claim 1, it comprises die holder, sequence unit backing plate and template on the die holder, in die holder, install plug screw, in die holder and backing plate, on plug screw, install spring, device buoyance lift pin in template, one end of buoyance lift pin and described spring butt, on template, install left stock guide and right stock guide respectively in the both sides of buoyance lift pin, it is characterized in that device has sub butt ends between described left stock guide and right stock guide, the sub-material end of sub butt ends is for splitting shape, the cross section of sub butt ends is a T shape, and the left side of T shape sub butt ends and right side constitute left guide chamber and right guide chamber with left stock guide and right stock guide respectively.
4. by the described splitting die that is used for zipper type cold stamping method of claim 3, it is characterized in that the height of described left guide chamber and right guide chamber does not wait.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100218853A CN100486729C (en) | 2007-05-09 | 2007-05-09 | Zipper type cold stamping method, and splitting die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100218853A CN100486729C (en) | 2007-05-09 | 2007-05-09 | Zipper type cold stamping method, and splitting die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101049622A CN101049622A (en) | 2007-10-10 |
| CN100486729C true CN100486729C (en) | 2009-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100218853A Expired - Fee Related CN100486729C (en) | 2007-05-09 | 2007-05-09 | Zipper type cold stamping method, and splitting die |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4211099A (en) * | 1976-07-30 | 1980-07-08 | Western Electric Company, Inc. | Apparatus for making slotted beam contact elements |
| DE3319175C1 (en) * | 1983-05-26 | 1984-11-08 | Karges-Hammer-Maschinen Gmbh & Co Kg, 3300 Braunschweig | Method for dividing up a metal sheet into zig-zag strips |
| US4688415A (en) * | 1984-06-04 | 1987-08-25 | Usm Corporation | Method of manufacturing metal fasteners |
| US5078001A (en) * | 1990-06-01 | 1992-01-07 | Amp Incorporated | Manufacture, slitting, and reeling of two-out terminal strip |
| DE19637807A1 (en) * | 1996-09-17 | 1998-03-19 | Beierling Hans Juergen Dipl In | Progressive tool for punching and cutting out flange adaptors having stepped diameters lying within one another |
| CN1929935A (en) * | 2004-03-03 | 2007-03-14 | 工业纸折品有限公司 | Sheet material with bend controlling displacements and method for forming the same |
| CN201058354Y (en) * | 2007-05-09 | 2008-05-14 | 无锡市杰美特模具技术有限公司 | Zip mode cold stamping material-marking mold |
-
2007
- 2007-05-09 CN CNB2007100218853A patent/CN100486729C/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4211099A (en) * | 1976-07-30 | 1980-07-08 | Western Electric Company, Inc. | Apparatus for making slotted beam contact elements |
| DE3319175C1 (en) * | 1983-05-26 | 1984-11-08 | Karges-Hammer-Maschinen Gmbh & Co Kg, 3300 Braunschweig | Method for dividing up a metal sheet into zig-zag strips |
| US4688415A (en) * | 1984-06-04 | 1987-08-25 | Usm Corporation | Method of manufacturing metal fasteners |
| US5078001A (en) * | 1990-06-01 | 1992-01-07 | Amp Incorporated | Manufacture, slitting, and reeling of two-out terminal strip |
| DE19637807A1 (en) * | 1996-09-17 | 1998-03-19 | Beierling Hans Juergen Dipl In | Progressive tool for punching and cutting out flange adaptors having stepped diameters lying within one another |
| CN1929935A (en) * | 2004-03-03 | 2007-03-14 | 工业纸折品有限公司 | Sheet material with bend controlling displacements and method for forming the same |
| CN201058354Y (en) * | 2007-05-09 | 2008-05-14 | 无锡市杰美特模具技术有限公司 | Zip mode cold stamping material-marking mold |
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| Publication number | Publication date |
|---|---|
| CN101049622A (en) | 2007-10-10 |
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Granted publication date: 20090513 Termination date: 20120509 |