CN203751139U - Cold punching die - Google Patents
Cold punching die Download PDFInfo
- Publication number
- CN203751139U CN203751139U CN201420117770.XU CN201420117770U CN203751139U CN 203751139 U CN203751139 U CN 203751139U CN 201420117770 U CN201420117770 U CN 201420117770U CN 203751139 U CN203751139 U CN 203751139U
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- China
- Prior art keywords
- die
- stripper
- cold
- counterdie
- punching
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- Punching Or Piercing (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The utility model discloses a cold punching die which comprises a die body. The die body comprises an upper die body and a lower die body. The upper die body comprises an upper die base and an upper die fixing plate mounted below the upper die base, the lower die body comprises an lower die base and a lower die fixing plate mounted above the lower die base, the upper die fixing plate is provided with a male die, a blanking female die is arranged on the lower portion of the upper die fixing plate, a lower base plate is mounted on the upper portion of the lower die base, a female-male die is arranged on the lower base plate and arranged inside the lower die fixing plate in a penetrating mode, elastic discharge parts are arranged on the two sides of the female-male die, a material discharge plate is provided with a material blocking device, and the die body is provided with a YG-type hard alloy protective layer in a welded mode. The cold punching die is good in punching effect, high in production efficiency, convenient to discharge and accurate in bar stock feed-in control.
Description
Technical field
The utility model relates to mould applications, relates in particular to a kind of cold-punching mold.
Background technology
Cold-punching mold is application one of mould comparatively widely in manufacturing industry, it is to utilize the pressure-acting of stamping machine on mould, make the metal that is placed in mould produce variation in shape, can impose the processing such as punching, moulding, bending, stretching, compression to sheet metal, produce various industrial and home plate metal parts and goods.At present, growing due to metallic article, the blanking and punching process requirements that is directed to sheet metal is also more and more, and work in-process usually needs punching after the first blanking of sheet material, uses existing mould to need first in blanking die workpiece blanking, then put into perforating die punching, so not only operation is many, and production efficiency is low, and workpiece also needs sheet material resetting in addition, affect precision and the quality of product, very inconvenient.
The utility model that is 201220540924.7 in the patent No. discloses a kind of guide type blanking die, this blanking die, comprise successively from top to bottom: die shank, convex mould base, upper padding plate, fixed head, punch, stripper, die and die socket, it is characterized in that: between described convex mould base and die socket, be provided with guide pillars and bushes, described die is provided with alignment pin in billot direction of feed and side thereof; Amplify on described punch top, and upper end is set in case the band shoulder structure of leaving behind; Punch and fixed head closely cooperate.The blanking die that this utility model provides, simple in structure, easy to use, automation efficiency is high, good product quality, discharging is effective, easy to operate.
But, the mould of above-mentioned design can only carry out blanking processing to sheet material at every turn, can not complete two steps of blanking and punching simultaneously, and easily there are burr in workpiece, easily because large impact power is pulled scuffing, in the process of mould running, also can produce very large noise, discharging and feeding aspect are very imperfect yet.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of punching press effective for the above-mentioned state of the art, and production efficiency is high, and discharging is convenient, controls billot and sends cold-punching mold accurately to.
For achieving the above object, the utility model provides following technical scheme: a kind of cold-punching mold, comprise die ontology, described die ontology comprises patrix, counterdie, described patrix comprises upper bolster and is arranged on the upper mould fixed plate of upper bolster below, described counterdie comprises die shoe and is arranged on the counterdie fixed head of die shoe top, described upper bolster below is fixedly connected with guide pin bushing, on described die shoe, guide pillar is installed, described guide pin bushing is movably connected on guide pillar and drives patrix and counterdie carries out matched moulds, on described upper mould fixed plate, be fixed with punch, described upper mould fixed plate below is provided with blanking die, described die shoe top is provided with lower bolster, on described lower bolster, concave-convex mold is installed, described concave-convex mold is located in described counterdie fixed head, described concave-convex mold both sides are provided with elasticity discharging portion, on described stripper, be provided with stop gauge, on described die ontology, be welded with one deck YG type hard alloy layer.
Adopt the cold-punching mold of this structure, can make mould one action just can solve blanking and two steps of punching, greatly saved the production time, improved production efficiency, and avoided secondary to locate the error causing.
As concrete technical scheme of the present utility model, described elasticity discharging portion comprises unloading bolt, spring, stripper, the setting of described stripper laminating concave-convex mold, on described stripper, be provided with the screw suitable with described unloading bolt, described unloading bolt is located in stripper, described unloading bolt one end is fixed in die shoe, and the other end is connected with the workpiece conflict being placed between upper die and lower die, and described spring housing is located at described unloading bolt outside.
By making discharging convenient at the outside sheathed spring of unloading bolt, and increase the steadiness of mould, vibrations while utilizing the pooling feature of spring to reduce mould running, and can bring very large noise while shaking due to mould, long-time work in the very large environment of this noise can affect and damage staff's hearing system, arranged and can be improved to a certain extent working environment by this.
As concrete technical scheme of the present utility model, described stop gauge comprises movable backgauge portion and fixing backgauge portion, described movable backgauge portion comprises movable pin stop, offers the pin-and-hole suitable with described movable pin stop on described stripper, and described movable pin stop below is provided with support spring.
Further, described fixing backgauge portion comprises fixing pin stop, offers suitable pin-and-hole on described stripper.
Be provided with different pin stop in different positions, Each performs its own functions to make it, and branch's work, carries out backgauge more effectively.
As preferably, described YG type hard alloy layer is consistent with die ontology contact-making surface shape size and by hermetically sealed die ontology parcel.
YG type carbide alloy is made up of tungsten and cobalt, has higher bending strength toughness, and thermal conductivity is good, is highly suitable for processing cast iron, steel and non-ferrous metal one class sheet material.
Compared with prior art, the utility model has the advantage of: be also welded with YG type carbide alloy at die ontology skin, increase the intensity of mould, the goods that process do not have burr and burr, little to product surface damage, in addition, this mould is provided with elasticity discharging portion, discharging is convenient, more safe and reliable in the process of releasing, and being provided with fixing pin stop and movable pin stop, that billot is sent to is more accurate.
Brief description of the drawings
Fig. 1 is cold-punching mold structural representation in the utility model embodiment;
Fig. 2 is the local enlarged diagram of the utility model embodiment Elastic discharging portion;
Fig. 3 is the local enlarged diagram of stop gauge in the utility model embodiment.
Reference numeral: 1, die ontology; 2, push rod; 3, pushing block; 4, patrix cushion block; 5, upper mould fixed plate; 6, blanking die; 7, punch; 8, workpiece; 9, spring; 10, unloading bolt; 11, concave-convex mold; 12, counterdie fixed head; 13, guide pillar; 14, die shoe; 15, support spring; 16, movable pin stop; 17, stripper; 18, fixing pin stop; 19, guide pin bushing; 20, upper bolster; 21, elasticity discharging portion; 22, stop gauge; 23, pushing block; 24, promote; 25, ejector block.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, cold-punching mold of the present utility model is described in further detail.
Consult cold-punching mold structural representation in the utility model shown in Fig. 1, a kind of cold-punching mold, comprise die ontology 1, die ontology 1 comprises patrix, counterdie, described patrix comprises upper bolster 20, upper mould fixed plate 5, described counterdie comprises die shoe 14, counterdie fixed head 12, between described upper bolster 20 and die shoe 14, be connected with guide pillar 13, described guide pillar 13 outer cover are provided with guide pin bushing 19, both coordinate and play the guiding role for mould, on die shank, be equipped with push rod 2, described push rod 2 one end are connected with pushing block 3, the other end is connected with die ontology 1 is extraneous, described upper mould fixed plate 5 is arranged on upper bolster 20 belows, on described upper mould fixed plate 5, punch 7 is installed, described upper mould fixed plate 20 belows are provided with blanking die 6, blanking die 6 lower surfaces have die hole, described die shoe 14 tops are provided with lower bolster, on described lower bolster, be provided with concave-convex mold 11, the position of concave-convex mold 11 is corresponding with die hole, on concave-convex mold 11, have punching hole type hole, punching hole type hole is up-small and down-big shoulder hole, facilitate the discharge of waste material.Described concave-convex mold 11 is located in described counterdie fixed head 12, the flexible discharging of described concave-convex mold 11 arranged outside portion 21, as shown in Figure 2, described elasticity discharging portion 21 comprises unloading bolt 10, spring 9, stripper 17, described stripper 17 is arranged on concave-convex mold 11 both sides, on described stripper 17, be provided with the screw suitable with described unloading bolt 10, described unloading bolt 10 is located in stripper 17.Described unloading bolt 10 one end are fixed in die shoe 14, and the other end is conflicted and is connected with workpiece 8, and described spring 9 is set in outside described unloading bolt 10.When spring 9 is during in uncompressed state, the upper surface of stripper 17 is higher than concave-convex mold 11.On described stripper 17, be respectively arranged with stop gauge 22, as shown in Figure 3, described stop gauge 22 comprises movable backgauge portion and fixing backgauge portion, described movable backgauge portion comprises movable pin stop 16, on described stripper, offer suitable pin-and-hole, described movable pin stop below is provided with support spring 15.Described fixing backgauge portion comprises fixing pin stop 18, on described stripper 17, offers suitable pin-and-hole.On described die ontology 1, be welded with YG type hard alloy layer, described YG type hard alloy layer is consistent with die ontology phase-contact surface shape size and by hermetically sealed die ontology parcel, described YG type carbide alloy layer thickness can be determined according to actual conditions, does not limit.
When described cold-punching mold work, workpiece 8 is to fix pin stop 18 and movable pin stop 16 is located, patrix presses down, coordinated into punching with punch 7 by concave-convex mold 11, and concave-convex mold 11 and blanking die 6 coordinate sheet metal blanking are gone out to required appearance profile, after punching press, patrix is up, push rod 2, pushing block 23, distribution 24 promote ejector blocks 25 and release workpiece 8, and waste material is directly released from concave-convex mold 11 endoporus by punch 7, wherein movable pin stop 16 is depressed in the time of work, upper end is mutually concordant with workpiece 8, in the time of inoperative stroke, by support spring 15 jack-up, can supply location.
The above is only preferred embodiment of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment, and all technical schemes belonging under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. a cold-punching mold, comprise die ontology, described die ontology comprises patrix, counterdie, described patrix comprises upper bolster and is arranged on the upper mould fixed plate of upper bolster below, described counterdie comprises die shoe and is arranged on the counterdie fixed head of die shoe top, described upper bolster below is fixedly connected with guide pin bushing, on described die shoe, guide pillar is installed, described guide pin bushing is movably connected on guide pillar and drives patrix and counterdie carries out matched moulds, it is characterized in that: on described upper mould fixed plate, be fixed with punch, described upper mould fixed plate below is provided with blanking die, described die shoe top is provided with lower bolster, on described lower bolster, concave-convex mold is installed, described concave-convex mold is located in described counterdie fixed head, described concave-convex mold both sides are provided with elasticity discharging portion, on described stripper, be provided with stop gauge, on described die ontology, be welded with one deck YG type hard alloy layer.
2. cold-punching mold according to claim 1, it is characterized in that: described elasticity discharging portion comprises unloading bolt, spring, stripper, the setting of described stripper laminating concave-convex mold, on described stripper, be provided with the screw suitable with described unloading bolt, described unloading bolt is located in stripper, described unloading bolt one end is fixed in die shoe, and the other end is connected with the workpiece conflict being placed between upper die and lower die, and described spring housing is located at described unloading bolt outside.
3. cold-punching mold according to claim 2, it is characterized in that: described stop gauge comprises movable backgauge portion and fixing backgauge portion, described movable backgauge portion comprises movable pin stop, on described stripper, offer the pin-and-hole suitable with described movable pin stop, described movable pin stop below is provided with support spring.
4. cold-punching mold according to claim 3, is characterized in that: described fixing backgauge portion comprises fixing pin stop, offers suitable pin-and-hole on described stripper.
5. cold-punching mold according to claim 1, is characterized in that: described YG type hard alloy layer is consistent with die ontology contact-making surface shape size and by hermetically sealed die ontology parcel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420117770.XU CN203751139U (en) | 2014-03-14 | 2014-03-14 | Cold punching die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420117770.XU CN203751139U (en) | 2014-03-14 | 2014-03-14 | Cold punching die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203751139U true CN203751139U (en) | 2014-08-06 |
Family
ID=51246450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420117770.XU Expired - Fee Related CN203751139U (en) | 2014-03-14 | 2014-03-14 | Cold punching die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203751139U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104942125A (en) * | 2015-06-06 | 2015-09-30 | 安徽美吉汽车零部件有限公司 | Blanking die |
| CN105856324A (en) * | 2016-05-13 | 2016-08-17 | 旌德县皖星电子电器厂 | Compound punching die for films |
| CN107413914A (en) * | 2017-09-12 | 2017-12-01 | 鑫鸿交通工业（安徽）有限公司 | The special bolster of automobile steel template die and its application method |
| CN108188215A (en) * | 2017-11-30 | 2018-06-22 | 江苏华电铁塔制造有限公司 | A kind of sheet material bending mould |
| CN113103003A (en) * | 2020-10-11 | 2021-07-13 | 李文彬 | Cold stamping die capable of automatically tapping in die |
-
2014
- 2014-03-14 CN CN201420117770.XU patent/CN203751139U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104942125A (en) * | 2015-06-06 | 2015-09-30 | 安徽美吉汽车零部件有限公司 | Blanking die |
| CN105856324A (en) * | 2016-05-13 | 2016-08-17 | 旌德县皖星电子电器厂 | Compound punching die for films |
| CN107413914A (en) * | 2017-09-12 | 2017-12-01 | 鑫鸿交通工业（安徽）有限公司 | The special bolster of automobile steel template die and its application method |
| CN108188215A (en) * | 2017-11-30 | 2018-06-22 | 江苏华电铁塔制造有限公司 | A kind of sheet material bending mould |
| CN113103003A (en) * | 2020-10-11 | 2021-07-13 | 李文彬 | Cold stamping die capable of automatically tapping in die |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20140806 Termination date: 20160314 |