CN213763640U - Thin-wall part blanking die - Google Patents
Thin-wall part blanking die Download PDFInfo
- Publication number
- CN213763640U CN213763640U CN202022210485.0U CN202022210485U CN213763640U CN 213763640 U CN213763640 U CN 213763640U CN 202022210485 U CN202022210485 U CN 202022210485U CN 213763640 U CN213763640 U CN 213763640U
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- Prior art keywords
- die
- thin
- punch
- blanking
- female
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- 238000004080 punching Methods 0.000 claims abstract description 40
- 239000003292 glue Substances 0.000 claims description 5
- 229920002635 polyurethane Polymers 0.000 claims description 5
- 239000004814 polyurethane Substances 0.000 claims description 5
- 229910052755 nonmetal Inorganic materials 0.000 abstract description 6
- 230000008439 repair process Effects 0.000 abstract description 5
- 239000002184 metal Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 description 11
- 238000005520 cutting process Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 239000007769 metal material Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 230000001771 impaired effect Effects 0.000 description 3
- 238000007669 thermal treatment Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 208000017740 grade III prostatic intraepithelial neoplasia Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
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Abstract
The utility model belongs to the technical field of hardware mould, a thin wall spare blanking mould is disclosed, including the die and with die complex punch-die, the die with the punch-die sets up relatively, the die with the blanking clearance of punch-die is the negative number, and when the blanking state, the die with unilateral clearance between the punch-die is 0-0.02mm, the hardness of punch-die is below the HRC10 degree, the rockwell hardness of die is between HRC 58-62. Before products are punched, the female die and the punch pin punch the male die, and the punching gap between the female die and the male die is basically in a gapless state. Compared with the prior art, the utility model relates to a thin wall spare blanking mould is applicable to the blanking of the thin wall spare of metal and nonmetal, and the blanking precision is high, and mould long service life, and easily repair the mould.
Description
[ technical field ] A method for producing a semiconductor device
The utility model belongs to the technical field of hardware mould, especially, relate to a thin wall spare blanking mould.
[ background of the invention ]
In the thin-wall part formed by punching, when the punched product is a metal or non-metal material with a thin thickness, the product punching can be realized only by a very small die gap, due to the influence of the die processing precision, the guide part matching gap, the punching equipment precision and the like, the die is very easy to crack in the production process of the male die and the female die matching small gap, the punching of the non-metal material with the thickness of less than 0.2mm can be realized only by approaching the gap of the die to zero blanking, the common punching die can not realize, for the thin-wall non-metal material, a cutting die is needed, the cutting edge is easy to curl due to the cutting die being in a cutting edge type, the service life is short, the cutting die is not easy to meet the product size requirement due to the soft and deformation of the material, and the cutting die is punching without the female die and needs to process a large amount of cost for punched waste materials.
Therefore, it is necessary to provide a new thin-wall part blanking die to solve the above technical problems.
[ Utility model ] content
The utility model discloses the technical problem that needs to solve is: the thin-wall part blanking die is suitable for blanking of metal and nonmetal thin-wall parts, and is high in blanking precision, long in die service life and easy to repair.
For realizing above-mentioned technological effect, the utility model provides a thin wall spare blanking mould, including the die and with die complex punch-die, the die with the punch-die sets up relatively, the die with the blanking clearance of punch-die is the negative number, and when the blanking state, the die with unilateral clearance between the punch-die is 0-0.02mm, the hardness of punch-die is below HRC10 degree, the rockwell hardness of die is between HRC 58-62.
Preferably, the thin-wall part blanking die further comprises an upper die holder, an upper padding plate and an upper die fixing plate which are sequentially connected from top to bottom, and the female die is fixed on the female die fixing plate.
Preferably, the thin-wall part blanking die further comprises a lower male die fixing plate and a lower die base, and the male die and the female die are fixed on the lower die base through the lower male die fixing plate.
Preferably, the thin-walled workpiece blanking die further comprises an inner stripper plate, the inner stripper plate is arranged over the male and female dies, and the thin-walled workpiece blanking die further comprises an ejector rod which is connected with the inner stripper plate and is arranged over the inner stripper plate.
Preferably, the thin-wall part blanking die further comprises an outer stripper plate, the outer stripper plate is arranged on the outer side of the punch-die, and an elastic part is arranged below the outer stripper plate.
Preferably, the elastic member is made of polyurethane glue.
Preferably, the thin-walled workpiece blanking die further comprises a guide pillar, the lower part of the guide pillar is fixed to the lower die holder, the upper die fixing plate and the female die are provided with guide sleeve holes formed by sinking, and the upper end of the guide pillar extends into the guide sleeve holes.
Preferably, the upper die fixing plate is provided with a plurality of punching pieces which are opposite to the punch-die, the punching pieces penetrate through the punch-die, and the Rockwell hardness of the punching pieces is HRC 58-62.
Preferably, the thin-wall part blanking die further comprises a knockout frame plate, and the knockout frame plate is arranged between the upper die base and the upper base plate.
Compared with the prior art, the utility model has the advantages that:
(1) the utility model discloses because the punch-die is not through heat treatment, it is simple to repair the mould, can effectively reduce mould processing and cost of maintenance.
(2) The utility model discloses compare with the cutting die, life is high, and can the circulated repairing die use.
(3) Utilize the utility model relates to a thin wall spare blanking mould carries out the product blanking, and the punching press back waste material separates with ordinary die is the same, need not the back process and removes the waste material and handle, improves production efficiency, reduces the processing cost.
(4) Do benefit to the utility model discloses the product size precision of production is high, thereby effectively increases the product production qualification rate further reduction in production cost.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts. Wherein:
fig. 1 is a front view of a thin-walled workpiece blanking die of the present invention;
fig. 2 is a left side view of the thin-walled workpiece blanking die of the present invention.
In the figure:
01. the punch die comprises an upper die base, 02, a guide post, 03, a first punching needle, 04, a third punching head, 05, an equal-height sleeve, 06, an ejector rod, 07, an inner stripper plate, 08, a second punching needle, 09, a female die, 10, an upper backing plate, 11, an upper die fixing plate, 12, an outer stripper plate, 13, polyurethane glue, 14, a lower punch fixing plate, 15, a male-female die, 16, a lower die base, 17, a first inner hexagon screw, 18, a knockout frame plate, 19, a lower male die, 20, a first punching head, 21, a stripper plate, 22, a second punching head, 23, a pin and 24, a second inner hexagon screw.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to the attached drawings 1-2, the thin-wall part blanking die comprises a female die 09 and a male die 15 matched with the female die 09, wherein the female die 09 is opposite to the male die 15, and the Rockwell hardness of the female die 09 is HRC 58-62. Before products are punched, the female die 09 and the punch pin punch the male die 15, and the punching gap between the female die 09 and the male die 15 is basically in a gapless state.
The blanking clearance between the female die 09 and the punch-die 15 is negative, the unilateral clearance between the female die 09 and the punch-die 15 is 0-0.02mm in the blanking state, the hardness of the punch-die 15 is HRC10 degrees or less, and the Rockwell hardness of the female die 09 is HRC 58-62.
It should be noted that: the male die and the female die are in a soft material state without heat treatment, and the hardness is HRC10 degrees or less. The blanking clearance between the female die and the male die is negative number and is as follows: the punch-die, the die and the punching piece (the punching piece comprises a punching needle 03, a punch head three 04, a punch head one 20 and a punch head two 22) are in a negative clearance state before production, namely, a negative clearance punching method is adopted. The punch and die 15 is first blanked by the die 09 and the punch to make the die gap substantially 0-0.02mm, i.e., almost no gap, thereby realizing blanking of the sheet material.
The utility model relates to an among thin wall spare blanking mould, punch-die 15 does not do thermal treatment or does thermal refining, adopt the structure of soft mould, its hardness is lower, the hardness of punch-die 15 and the hardness of die 09 differ greatly, the hardness of punch-die 15 and the hardness of towards the needle also differ greatly, die 09 and towards the needle can cut the periphery and the hole of punch-die 15, and the blanking clearance is very little or do not leave the clearance, if under the impaired condition of terrace die, strike impaired position, make its micro-rise, the part that rises with die 09, make the impaired position of punch-die 15 obtain sharp blade again like this, accomplish the self-repairing of mould promptly.
More specifically, the utility model relates to a thin wall spare blanking mould is still including the upper die base 01, upper padding plate 10, the upper fixed die plate 11 that from top to bottom links to each other in order, on die 09 was fixed in upper fixed die plate 11, the utility model relates to a thin wall spare blanking mould still included lower punch plate 14 and die holder 16, and punch and die 15 is fixed in die holder 16 through lower punch plate 14.
The utility model relates to a thin wall spare blanking mould still includes interior material returned board 07, interior material returned board 07 is just setting up the top of punch-die 15, the utility model relates to a thin wall spare blanking mould still includes the ejector pin 06 that links to each other and just set up in interior material returned board 07 top with interior material returned board 07.
The utility model relates to a thin wall spare blanking mould still wraps outer material returned board 12, and the outside of punch-die 15 is located to outer material returned board 12, and the below of outer material returned board 12 is equipped with the elastic component. The elastic member is made of polyurethane glue 13.
The utility model relates to a thin wall spare blanking mould still includes guide pillar 02, and the lower part of guide pillar 02 is fixed in die holder 16, is equipped with the guide pin bushing hole that sunken formation on punch plate 11 and the die 09, and it is downthehole that the upper end of guide pillar 02 extends to the guide pin bushing.
The upper die fixing plate 11 is provided with a plurality of punching pieces which are arranged right opposite to the punch-die 15, and the punching pieces penetrate through the punch-die 15. The punching part comprises: the punching machine comprises a punching needle I03, a punching head III 04, a punching head I20 and a punching head II 22.
The blanking die for thin-wall parts of the utility model also comprises a knockout frame plate 18, the knockout frame plate 18 is arranged between the upper die base 01 and the upper backing plate 10,
in FIGS. 1-2: a thin-wall part blanking die comprises: the stamping die comprises an upper die base 01, a guide pillar 02, a first stamping pin 03, a third stamping head 04, an equal-height sleeve 05, a mandril 06, an inner stripper plate 07, a second stamping pin 08, a female die 09, an upper padding plate 10, an upper die fixing plate 11, an outer stripper plate 12, polyurethane glue 13, a lower die fixing plate 14, a male-female die 15, a lower die base 16, a first inner hexagonal screw 17, a knockout frame plate 18, a lower stamping die 19, a first stamping head 20, a stripper plate 21, a second stamping head 22, a pin 23 and a second inner hexagonal screw 24.
Use the utility model relates to a before thin wall spare blanking mould produces, punch the piece (towards needle 03, three 04 of drift, drift one 20, drift two 22) and punch to punch and die 15 by die 09 after the thermal treatment and thermal treatment back, make between die 09 and the punch and die 15, the clearance between towards needle and the punch and die 15 reach the zero clearance effect. The thin-wall part blanking die can be used for producing metal and non-metal material cooking below 0.2 mm.
The utility model relates to a thin wall spare blanking mould's working process: the female die 09 moves downwards under the driving of the press sliding block, the female die 09 firstly contacts with the blank and presses the blank under the combined action of the female die 09 and the outer stripper plate 12, the female die 09 continues to move downwards, the outer stripper plate 12 moves downwards along with the female die 09, the male die 15 contacts with the blank and cuts into the female die 09, the punching needle 03, the punching head three 04, the punching head one 20 and the punching head two 22 synchronously cut into the hole of the male die 15, the press reaches a bottom dead center, the press drives the female die 09 to return, and one-step punching process is completed. The die guide part adopts a precise guide pillar 02 structure, so that the guide precision of the die is ensured.
When the cutting edge of the die is damaged and not sharp, the die edge of the edge-collapsing or non-sharp part is knocked to deform, and the die 09 or punching parts (the punch pin I03, the punch pin III 04, the punch pin I20 and the punch pin II 22) are used for punching the punch and die 15, so that the sharp cutting edge is generated at the damaged part of the punch and die 15, and the die is simple and convenient to repair.
Compared with the prior art, the utility model has the advantages that:
(1) the utility model discloses because the punch-die is not through heat treatment, it is simple to repair the mould, can effectively reduce mould processing and cost of maintenance.
(2) The utility model discloses compare with the cutting die, life is high, and can the circulated repairing die use.
(3) Utilize the utility model relates to a thin wall spare blanking mould carries out the product blanking, and the punching press back waste material separates with ordinary die is the same, need not the back process and removes the waste material and handle, improves production efficiency, reduces the processing cost.
(4) Do benefit to the utility model discloses the product size precision of production is high, thereby effectively increases the product production qualification rate further reduction in production cost.
The above embodiments of the present invention are only described, and it should be noted that, for those skilled in the art, modifications can be made without departing from the inventive concept, but these all fall into the protection scope of the present invention.
Claims (9)
1. The thin-wall part blanking die is characterized by comprising a female die and a male and female die matched with the female die, wherein the female die and the male and female die are arranged oppositely, the blanking gap between the female die and the male and female die is a negative number, the unilateral gap between the female die and the male and female die is 0-0.02mm in the blanking state, the hardness of the male and female die is HRC10 degrees or less, and the Rockwell hardness of the female die is HRC 58-62.
2. A thin-walled workpiece blanking die as claimed in claim 1, wherein the thin-walled workpiece blanking die further comprises an upper die holder, an upper backing plate and an upper die fixing plate which are connected in sequence from top to bottom, and the female die is fixed on the female die fixing plate.
3. A thin-walled workpiece blanking die as claimed in claim 2, wherein the thin-walled workpiece blanking die further comprises a lower punch holder and a lower die holder, and the punch and die are fixed on the lower die holder through the lower punch holder.
4. A thin-walled workpiece blanking die as claimed in claim 3 further comprising an inner stripper plate disposed over and facing the male and female dies, and a push rod connected to the inner stripper plate and disposed over and facing the inner stripper plate.
5. A thin-wall part blanking die according to claim 4, wherein the thin-wall part blanking die further comprises an outer stripper plate, the outer stripper plate is arranged on the outer side of the punch-die, and an elastic part is arranged below the outer stripper plate.
6. A thin-walled piece blanking die according to claim 5, wherein the elastic member is made of polyurethane glue.
7. A thin-walled workpiece blanking die as claimed in claim 6, wherein the thin-walled workpiece blanking die further comprises a guide pillar, the lower part of the guide pillar is fixed on the lower die holder, the upper die fixing plate and the female die are provided with a guide sleeve hole formed by sinking, and the upper end of the guide pillar extends into the guide sleeve hole.
8. A thin-wall part blanking die as claimed in claim 7, wherein a plurality of punching parts are arranged on the upper die fixing plate and face the punch and die, the punching parts penetrate through the punch and die, and Rockwell hardness of the punching parts is HRC 58-62.
9. A thin-walled workpiece blanking die according to claim 8, wherein the thin-walled workpiece blanking die further comprises a knockout frame plate, and the knockout frame plate is arranged between the upper die base and the upper base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022210485.0U CN213763640U (en) | 2020-09-30 | 2020-09-30 | Thin-wall part blanking die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022210485.0U CN213763640U (en) | 2020-09-30 | 2020-09-30 | Thin-wall part blanking die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213763640U true CN213763640U (en) | 2021-07-23 |
Family
ID=76907602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022210485.0U Expired - Fee Related CN213763640U (en) | 2020-09-30 | 2020-09-30 | Thin-wall part blanking die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213763640U (en) |
-
2020
- 2020-09-30 CN CN202022210485.0U patent/CN213763640U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210723 |