CN203778581U - Rhombus piece punching die - Google Patents
Rhombus piece punching die Download PDFInfo
- Publication number
- CN203778581U CN203778581U CN201420185495.5U CN201420185495U CN203778581U CN 203778581 U CN203778581 U CN 203778581U CN 201420185495 U CN201420185495 U CN 201420185495U CN 203778581 U CN203778581 U CN 203778581U
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- CN
- China
- Prior art keywords
- die
- plate
- stripper
- punch
- upper side
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Punching Or Piercing (AREA)
Abstract
The utility model discloses a rhombus piece punching die which comprises an upper die base, a lower die base, a male die and a female die. The lower side face of the upper die base is connected with a base plate. The lower side face of the base plate is connected with a fixing plate. The male die is connected to the fixing plate and perpendicularly stretches out from the lower side face of the fixing plate. A pressing rod is further arranged on the fixing plate and perpendicularly stretches out from the lower side face of the fixing plate. The upper side face of the lower die base is connected with the female die. The upper side face of the female die is connected with a positioning plate. A stripper plate is arranged above the positioning plate. A plurality of connecting screws are arranged between the stripper plate and the lower die base. Screw caps of the connecting screws are located on the upper side face of the stripper plate. The lower ends of the connecting screws are fixed to the lower die base. Springs are arranged on the outer rings of the connecting screws. The springs are located between the stripper plate and the lower die base. Four through holes are punched at a time, working efficiency is greatly improved, no burrs exist after the holes are punched, no follow-up finishing procedures are needed, labor hours are reduced, and hole punching precision is higher than hole drilling precision.
Description
Technical field
The utility model relates to technical field of mold, relates in particular to a kind of rhombus part punching die.
Background technology
A kind of rhombus part as shown in Figure 3, there are four through holes above, its plate is thicker, conventionally adopts the method processing through hole that bores processing in production, bores and adds man-hour, need through hole one by one to process successively, inefficiency, the through hole boring after processing is also jagged, needs the subsequent handlings such as deburring, expend man-hour, and the through hole precision of brill processing is lower.
Utility model content
Problem to be solved in the utility model is, inefficiency while producing for prior art rhombus part through hole, expends man-hour, and the defect that through hole precision is low, provides a kind of operating efficiency high, saves man-hour, the rhombus part perforating die that through hole precision is high.
The purpose of this utility model is achieved through the following technical solutions.Rhombus part perforating die, comprise upper bolster, die shoe, punch and die, described punch comprises several first punch and the second punch, the downside connection backing plate of upper bolster, the downside of backing plate is connected and fixed plate, the first punch and the second punch are connected on fixed head and from the downside of fixed head and vertically stretch out, on fixed head, be also provided with depression bar, depression bar vertically stretches out from the downside of fixed head, the upper side of die shoe connects die, the upper side connected positioning plate of die, the top of location-plate is provided with stripper, between stripper and die shoe, be provided with some attachment screws, the head of a nail of attachment screw is positioned at the upper side of stripper, the lower end of attachment screw is fixed on die shoe, the outer ring of attachment screw is provided with spring, spring is between stripper and die shoe.On rhombus part, have four through holes and need processing, the through hole of both sides is larger, two middle through holes are less, on this punch die, have two the first punch, two the second punch, be respectively used to two large through holes of punching press and two small through hole, the blank of rhombus part is placed on location-plate, punch and depression bar are descending, depression bar is pushed down stripper, stripper is along with depression bar and punch continue descending, punch presses to rhombus part blank, punch is pressed into die, go out four through holes on rhombus part, punch and depression bar are up, stripper is up under the elastic force effect of spring, punching completes, a punching press completes four through holes, operating efficiency is greatly improved, and after punching without burr, do not need follow-up finishing process, save man-hour, the precision of the ratio of precision boring of institute's punching is high.
As preferably, between described stripper and location-plate, be provided with two guide fingers, the upper end of guide finger is positioned at the through hole of stripper, the lower end of guide finger is through location-plate and die, accurate positioning when this structure makes the descending punching of punch, reduce the friction of punch and die, improve the service life of punch die.
As preferably, described upper bolster is provided with die shank, and die shank vertically stretches out from the upper side of upper bolster.Upper bolster is arranged on forcing press by die shank, makes to install accurate positioning.
As preferably, the downside of described upper bolster is provided with two guide pin bushings, and guide pin bushing is vertical with the downside of upper bolster, die shoe is provided with two guide pillars, and guide pillar is vertical with the upper side of die shoe, and guide pin bushing is corresponding with the position of guide pillar, the upper end of guide pillar is positioned at guide pin bushing, both matched in clearance.
The beneficial effects of the utility model are, operating efficiency is high, save man-hour, and the precision of through hole is high, simple for structure, and cost is low, easy to operate.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model counterdie.
Fig. 3 is the structural representation of rhombus part.
The specific embodiment
Below the utility model is described in further detail in conjunction with the accompanying drawings and embodiments:
Embodiment, as shown in Fig. 1 to Fig. 2, rhombus part perforating die, comprises patrix and counterdie, patrix is comprised of upper bolster 1, fixed head 2, two the first punch 4, two the second punch 3, die shank 12 etc., and counterdie is comprised of die shoe 8, die 7, location-plate 6 and stripper 5 etc.The upper side of upper bolster is fixedly connected with die shank, die shank vertically stretches out from the upper side of upper bolster, die shank is threaded with upper bolster, patrix is connected on the slide block of forcing press by die shank, a backing plate reclines on the downside of upper bolster, fixed head reclines on the downside of backing plate, upper bolster, backing plate and fixed head connect by four screws, two the first punch and two the second punch are fixed on fixed head, the position distribution of the through hole shown in Fig. 3 is pressed in the position of four punch, two the first punch are distributed in respectively both sides, in the middle of two the second punch are distributed in, on fixed head, also fix two depression bars 10, depression bar is distributed in the outside of the first punch, on the downside of upper bolster, be fixedly connected with two guide pin bushings 11, guide pin bushing is vertical with the downside of upper bolster, guide pin bushing is distributed on two diagonal angles of upper bolster.On the upper side of die shoe, by four screws, be fixedly connected with die, die is provided with four die holes corresponding with punch position, die shoe is provided with four blanking through holes, four blanking through holes lay respectively at four die holes under, the upper side of die is by two screw connected positioning plates, and location-plate is provided with groove 61, and the basic configuration of groove 61 is identical with rhombus part, one side is provided with opening, and opening is for the rhombus part of conveniently placing and take.The top of location-plate is provided with stripper, between stripper and die shoe, be provided with four attachment screws, the head of a nail of attachment screw is positioned at the upper side of stripper, attachment screw through stripper and with its matched in clearance, the lower end of attachment screw is fixed on die shoe, the outer ring of attachment screw is provided with spring, and spring is between stripper and die shoe.Between stripper and location-plate, be provided with two guide fingers, stripper is provided with guide finger through hole, is also provided with guide finger through hole on location-plate, die and die shoe, and the upper end of guide finger is positioned at the through hole of stripper, and the lower end of guide finger is through location-plate and die.Die shoe is provided with two guide pillars 9, and guide pillar is vertical with the upper side of die shoe, and guide pillar is corresponding with the position of guide pin bushing, and the upper end of guide pillar is positioned at guide pin bushing, both matched in clearance.The blank of rhombus part is as shown in Figure 3 placed in the groove on location-plate, punch and depression bar are descending, depression bar is pushed down stripper, stripper is along with depression bar and punch continue descending, punch presses to rhombus part blank, punch is pressed into die, goes out the through hole on rhombus part, and punch and depression bar are up, stripper is up under the elastic force effect of spring, punching completes, and a punching press completes four through holes, and operating efficiency is greatly improved, and after punching without burr, do not need follow-up finishing process, save man-hour, the precision of the ratio of precision boring of institute's punching is high.
The above is the preferably specific embodiment of the utility model, not with this, limits practical range of the present utility model.The utility model can also have other embodiment, only otherwise deviate from spirit of the present utility model, and within no matter in form what kind of conversion all drops on protection domain of the present utility model.
Claims (4)
1. rhombus part perforating die, comprise upper bolster, die shoe, punch and die, it is characterized in that, described punch comprises several first punch and the second punch, the downside connection backing plate of upper bolster, the downside of backing plate is connected and fixed plate, the first punch and the second punch are connected on fixed head and from the downside of fixed head and vertically stretch out, on fixed head, be also provided with depression bar, depression bar vertically stretches out from the downside of fixed head, the upper side of die shoe connects die, the upper side connected positioning plate of die, the top of location-plate is provided with stripper, between stripper and die shoe, be provided with some attachment screws, the head of a nail of attachment screw is positioned at the upper side of stripper, the lower end of attachment screw is fixed on die shoe, the outer ring of attachment screw is provided with spring, spring is between stripper and die shoe.
2. rhombus part perforating die according to claim 1, is characterized in that, is provided with two guide fingers between described stripper and location-plate, and the upper end of guide finger is positioned at the through hole of stripper, and the lower end of guide finger is through location-plate and die.
3. rhombus part perforating die according to claim 1, is characterized in that, described upper bolster is provided with die shank, and die shank vertically stretches out from the upper side of upper bolster.
4. according to the rhombus part perforating die described in claim 1 or 2 or 3, it is characterized in that, the downside of described upper bolster is provided with two guide pin bushings, guide pin bushing is vertical with the downside of upper bolster, die shoe is provided with two guide pillars, and guide pillar is vertical with the upper side of die shoe, and guide pin bushing is corresponding with the position of guide pillar, the upper end of guide pillar is positioned at guide pin bushing, both matched in clearance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420185495.5U CN203778581U (en) | 2014-04-17 | 2014-04-17 | Rhombus piece punching die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420185495.5U CN203778581U (en) | 2014-04-17 | 2014-04-17 | Rhombus piece punching die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203778581U true CN203778581U (en) | 2014-08-20 |
Family
ID=51314809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420185495.5U Expired - Fee Related CN203778581U (en) | 2014-04-17 | 2014-04-17 | Rhombus piece punching die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203778581U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104190786A (en) * | 2014-09-18 | 2014-12-10 | 苏州市天隆链条有限公司 | Escalator stair chain plate fine-punching hole die |
-
2014
- 2014-04-17 CN CN201420185495.5U patent/CN203778581U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104190786A (en) * | 2014-09-18 | 2014-12-10 | 苏州市天隆链条有限公司 | Escalator stair chain plate fine-punching hole 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 |
Granted publication date: 20140820 Termination date: 20150417 |
|
| EXPY | Termination of patent right or utility model |