CN2451257Y

CN2451257Y - Perforating die

Info

Publication number: CN2451257Y
Application number: CN 00257396
Authority: CN
Inventors: 宋余华
Original assignee: Inst Of Printing Science And Technology Beijing
Current assignee: Inst Of Printing Science And Technology Beijing
Priority date: 2000-11-01
Filing date: 2000-11-01
Publication date: 2001-10-03
Anticipated expiration: 2010-11-01

Abstract

The utility model discloses a perforating die. A guide plate, an upper die plate, a reinforcing plate and a compressed spring post are arranged orderly on the upper part of a lower die plate, and a positioning pin is arranged on the inner side of a lower die sleeve; the lower die plate is provided with a die sinking spring and a downward pressing spring of the guide plate, wherein the other end of the die sinking spring is close to the upper die plate and the compressed spring post, and the other end of the downward pressing spring of the guide plate is close to the guide plate; the upper part of the guide plate is provided with an upward pressing spring of the guide plate, the other end of which is close to the reinforcing plate and the compressed spring post. The utility model has the characteristics of high precision, long service life, and simple structure, wherein sheets with different bore diameters and different bore distances can be punched out by replacing different dies with the advantages of high punching speed and high efficiency.

Description

Punching die

The utility model relates to the special-purpose platemaking equipment that version is hung in a kind of PS version printing, the punching die of using on especially a kind of electronic PS version puncher, and the mould of the various passes of other light sheet material and paper.

At present, because 0.15 millimeter little PS version printing manufacturer is used in foreign procurement, they require is the hole of accomplishing fluently various multi-form, different sizes, and purpose is that convenient printing is hung version and used, therefore in order to satisfy the needs of users at home and abroad, the punching of PS version is exactly an indispensable technological requirement.Beat at present the device of hanging the version hole and mainly contain two kinds on the PS version: a kind of is hand punch, and another is an electric perforator.The former utilizes lever principle, is provided with row's drift, utilizes eccentric axial compression, only is applicable to individual PS plate punching, and the small size punching, and efficient is low, can not satisfy the production needs.The latter is applicable to the PS version punching of various areas, its primary structure is: on the relevant position of puncher template is set, because the formwork structure design is reasonable inadequately, usually has the adhesion problems of PS version aluminium bits, because continuous cutting, the mould heating causes chip removal not smooth, the molding difficulty, and be coated with prefabricated photosensitive layer owing to PS version surface has sun, can not add lubricant again during therefore die-cut PS version, be afraid of PS version surface quality and outward appearance dirty, the punching precision is low, speed is slow, efficient is low; In addition, a kind of pass needs a template, and template is expensive big, and versatility is poor, the incompatible production in enormous quantities in enormous quantities, can not satisfy the production needs.

The purpose of this utility model provides a kind of punching die, its precision height, life-span length, simple in structure only need to change the PS version that different moulds just can be gone out different apertures, the requirement of different pitch-row, thereby satisfy the requirement of different passes, punching speed is fast, efficient is high, can adapt to production in enormous quantities.

The purpose of this utility model is achieved in that a kind of perforating mold, comprise cope match-plate pattern, lower bolster and drift, lower bolster is provided with die case, be provided with guide plate, cope match-plate pattern, stiffener and stage clip post above lower bolster successively, described die case inboard is provided with the alignment pin that several protrude its upper surface; Stage clip under several die sinking springs and the guide plate is set on the lower bolster, and die sinking spring one end and lower bolster offset, and the other end and cope match-plate pattern and stage clip post offset, and stage clip one end and lower bolster offset under the guide plate, and the other end and guide plate offset; The guide plate top is provided with the guide plate compression spring, and one end and guide plate offset, and the other end and stiffener and stage clip post offset.

Lower bolster is provided with lead, and lead passes guide plate and cope match-plate pattern is fixed.

At the middle part of lower bolster several die sinking springs are set at interval, are being provided with stage clip under two guide plates that vertically distribute between the two die sinking springs.

Cope match-plate pattern is provided with lead hole, drift fixing hole, guide plate compression spring hole and die sinking spring eye, is stage clip post hole above the die sinking spring eye.

Be respectively equipped with on the guide plate and the corresponding through hole of die sinking spring, lead and alignment pin, in addition, also be provided with on it and the corresponding drift through hole of the die case of lower bolster.

Drift is fixed in the cope match-plate pattern by the drift pressing plate.

Described lead is four, be located at respectively lower bolster around.

Punch shape is circular, oval or square.

On lower bolster, be provided with two row's die cases, on cope match-plate pattern, be provided with two corresponding with it row's drifts, have two row's drifts to pass guide plate.

On lower bolster, be provided with row's die case, on cope match-plate pattern, be provided with corresponding with it row's drift, have row's drift to pass guide plate.

The utility model plays the not spring of same-action owing to reasonably designed the precompressed guide plate with several, after guide plate was pushed down the PS version before this, moment drift the hole is gone out, drift withdraws from bed die then, guide plate lifts again, finish the one-step punching process, the gap between hole and the drift is not more than 0.03 millimeter, and die-cut cutting edge of die is thin and sharp, solved the adhesion problems of PS version aluminium bits, molding is easy, but the mould continuous cutting, and chip removal is unobstructed; The run duration that has solved simultaneously between guide plate and the drift is poor, and guide plate is fallen prior to drift, and lift in drift the back, make the mould motion more reasonable, thereby guarantee die-cut precision, reduce and burr, flange occur after die-cut, avoided drift to sweep away, lift the flange of being taken out of; This mould and punch press organically combine, and installation is simple, mould is stable by force, die life is long, safe in utilization; Solved the large batch of punching needs of PS version producer, the efficient height, general one time 2, but also 4-6 opens together punching, and punching quality is stable.

Below in conjunction with concrete structure and the operation principle of accompanying drawing detailed description according to a kind of punching die that the utility model proposes.

Fig. 1 is a front view of the present utility model;

Fig. 2 is a vertical view of the present utility model;

Fig. 3 is the A-A cutaway view of Fig. 1;

Fig. 4 is the B-B cutaway view of Fig. 1;

Fig. 5 is the C-C cutaway view of Fig. 1.

As shown in Figure 1, 2, perforating mold described in the utility model mainly comprises stiffener 7, cope match-plate pattern 3, guide plate 8 and lower bolster 9.

Shown in Fig. 3,4,5, lower bolster 9 is a cuboid, and it is fixed on the work top of puncher, and two long limits of lower bolster 9 respectively are provided with row's die case 12, side is respectively equipped with several alignment pins that protrudes its upper surface 13 within it, and the effect of alignment pin 13 is the location, long limit that make the PS plate.At the middle part of lower bolster 9 several die sinking springs 14 are set at interval, be provided with stage clip 6 under two guide plates that vertically distribute between two die sinking springs 14, four jiaos of lower bolsters, one lead 1 respectively is set, lead 1 passes guide plate 8 and cope match-plate pattern 3, fix by nut, the effect of lead 1 is the combined pressure precision that guarantees that guide plate 8 is downward.

Guide plate 8 is positioned at the top of lower bolster 9, and it also is and lower bolster 9 corresponding cuboids, is respectively equipped with on it and die sinking spring 14, lead 1 and alignment pin 13 corresponding through holes, in addition, also is provided with die case 12 corresponding drift 11 through holes with lower bolster 9 on it.

Be provided with cope match-plate pattern 3 above guide plate 8, it also is and lower bolster 9 corresponding cuboids that cope match-plate pattern 3 is provided with lead 1 hole, drift 11 fixing holes, guide plate compression spring 5 holes and die sinking spring 14 holes, is stage clip post 4 holes above die sinking spring 14 holes.

Be provided with stiffener 7 above cope match-plate pattern 3, which is provided with several stage clip posts 4, stiffener 7 can play the booster action to cope match-plate pattern 3, prevents its distortion.

Drift 11 is fixed in the cope match-plate pattern 3 by drift pressing plate 2, and after using a period of time, drift 11 can be changed, and drift pressing plate 2 is removed the drift 11 that can replace with in the template.

Stage clip 6 one ends and lower bolster 9 offset under the guide plate, and the other end and guide plate 8 offset.

Guide plate compression spring 5 one ends and guide plate 8 offset, and the other end and stiffener 7 and stage clip post 4 offset.

Die sinking spring 14 1 ends and lower bolster 9 offset, and the other end and cope match-plate pattern 3 and stage clip post 4 offset.

Operation principle of the present utility model is as follows:

This mould is installed on the mini-type punching lathe, during punching, two relative PS plates of aluminium sheet powder is placed between lower bolster 9 and the guide plate 8, level is put well, and the long limit of PS plate is by alignment pin 13 location.The first step is at work, and when the stamping machine slide block moved downward, slide block was at first pushed down stage clip post 4, acts on simultaneously on the stage clip 5 on the guide plate, and to pressing down, punched (PS version) pushed down in stage clip 6 stressed contractions under the guide plate with guide plate 8; The lathe slide block continues to move downward, moment drift 11 with punched (PS version) die-cut finishing, scrap is discharged by die case 12 by guide plate 8 guiding.

Second step was that when slider of punch moved upward, die sinking spring 14 was under the effect of elastic force, cope match-plate pattern 3 upspring be with drift 11 to regain in the guide plates 8, withdraw from die case 12, jack-up return under the effect of moment guide plate 8 stage clip 6 under guide plate, open mould, finish the overall process of punching.

The use overall process of mould is a back and forth movement under the accurate location of four leads 1.

Another embodiment of the present utility model is: also can not establish lead 1, and directly utilize alignment pin 13 to lead.

The die punching number can be: 18-45, the die punching diameter series is: Φ 4mm, Φ 4.5mm and elliptical aperture or the like.

Pitch-row can be: 12.5mm, 12.7mm, 29.65mm or the like.

Owing to be provided with two row's die case 12 and drifts 11, after a row uses a period of time, can re-use another row, improve the utilization rate of mould like this.

Also can make single die case 12 and drift 11, make reduce relative of cost of mould like this, but the utilization rate of mould be low slightly with difficulty of processing.

Claims

1. perforating mold, comprise cope match-plate pattern, lower bolster and drift, lower bolster is provided with die case, it is characterized in that: be provided with guide plate, cope match-plate pattern, stiffener and stage clip post above lower bolster successively, described die case inboard is provided with the alignment pin that several protrude its upper surface; Stage clip under several die sinking springs and the guide plate is set on the lower bolster, and die sinking spring one end and lower bolster offset, and the other end and cope match-plate pattern and stage clip post offset, and stage clip one end and lower bolster offset under the guide plate, and the other end and guide plate offset; The guide plate top is provided with the guide plate compression spring, and one end and guide plate offset, and the other end and stiffener and stage clip post offset.

2. perforating mold as claimed in claim 1 or 2, it is characterized in that: lower bolster is provided with lead, and lead passes guide plate and cope match-plate pattern is fixed.

3. perforating mold as claimed in claim 1 or 2 is characterized in that: at the middle part of lower bolster several die sinking springs are set at interval, are being provided with stage clip under two guide plates that vertically distribute between the two die sinking springs.

4. perforating mold as claimed in claim 2 is characterized in that: cope match-plate pattern is provided with lead hole, drift fixing hole, guide plate compression spring hole and die sinking spring eye, is stage clip post hole above the die sinking spring eye.

5. perforating mold as claimed in claim 2 is characterized in that: be respectively equipped with on the guide plate and the corresponding through hole of die sinking spring, lead and alignment pin, in addition, also be provided with on it and the corresponding drift through hole of the die case of lower bolster.

6. perforating mold as claimed in claim 1 or 2 is characterized in that: drift is fixed in the cope match-plate pattern by the drift pressing plate.

7. perforating mold as claimed in claim 2 is characterized in that: described lead is four, be located at respectively lower bolster around.

8. perforating mold as claimed in claim 1 or 2 is characterized in that: punch shape is for circular, oval or square.

9. perforating mold as claimed in claim 1 or 2 is characterized in that: be provided with two row's die cases on lower bolster, be provided with two corresponding with it row's drifts on cope match-plate pattern, have two row's drifts to pass guide plate.

10. perforating mold as claimed in claim 1 or 2 is characterized in that: be provided with row's die case on lower bolster, be provided with corresponding with it row's drift on cope match-plate pattern, have row's drift to pass guide plate.