CN102172926A

CN102172926A - Negative pressure popup-proof device for stamping die

Info

Publication number: CN102172926A
Application number: CN2011100302826A
Authority: CN
Inventors: 李玉龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-01-27
Filing date: 2011-01-27
Publication date: 2011-09-07

Abstract

The invention relates to a negative pressure popup-proof device for a stamping die. At present, composite materials such as paper, paper foil or paper-plastic foil and the like are die-cut by using a movable knife; and when different materials are die-cut, phenomena such as bending, electrostatic adosorption and the like of the die-cut materials in a fixed knife occur frequently, and the die-cut finished products drop and are clamped between die-cutting knife dies, so that the subsequent die-cut materials cannot be normally die-cut and halt is caused. The invention aims to research and manufacture the negative pressure popup-proof device for the stamping die, which consists of a movable knife fixing plate (5), the fixed knife (13) and a negative pressure adsorption system (20); and a negative pressure air inlet a formed at the closed annular edge of the fixed knife (13), an air groove b communicated with the negative pressure air inlet a and an annular fixed knife cavity c form the negative pressure adsorption system (20). The invention has the advantages of improving a die-cutting knife mechanism, ensuring that the die-cut finished products do not easily drop, reducing the reject rate of the die-cut finished products, and greatly improving the production efficiency.

Description

The anti-device that ejects of punch die negative pressure

One, described field

The present invention relates to die set, especially refer to the die-cut cutter people's of platen the anti-device that ejects of negative pressure.

Two, background technology

Present platen blanking units is: eccentric shaft is moved back and forth by the moving knife on the line shaft rotating band moving knife plate, die-cut paper, composites such as paper paper tinsel or paper paper tinsel, these composites are called punched material here, stationary knife is fixed on the frame on moving knife opposite, during along with the die-cut downwards punched material of moving knife, punched material is pressed in the cavity on the stationary knife simultaneously under the promotion of moving knife, moving knife withdraws from simultaneously, finish the one-step punching working cycles, go round and begin again, punched material continuously is pushed in the cavity on the stationary knife, realizes the continuous cutting of punched material.But because different punched material; it is crooked or produce reason such as Electrostatic Absorption with moving knife and deviate from from the stationary knife cavity in the stationary knife cavity punched material after die-cut to occur through regular meeting; it can not normally be collected; at this moment the material that comes off that produces can be interfered with the conveying material production of adjacent contact, causes fault and by forced-stopping machine.In sum, present platen blanking units exists in the use, unreasonable structure, shortcomings such as equipment fault is many, waste of material is big, percent defective is high, production efficiency is low, production cost height.

Three, summary of the invention

The objective of the invention is the problem that exists in the above-mentioned background technology, design the anti-device that ejects of a kind of punch die negative pressure.Adopt a kind of brand-new thinking, improved die-cut cutter mechanism, when discharge, increased a negative pressure annular groove; deepened anti-back saw blade in the stationary knife, made die-cut back finished product difficult drop-off, the die-cut thing of reason finished product does not come off and produces shutdown; reduce the percent defective of die-cut finished product, improved production efficiency greatly.Practical simple, convenient and reliable method and device, having eliminated because of die-cut material comes off influences the problem of machine operate as normal, enhances productivity, reduced production cost greatly, adapts to the needs of large-scale industrial production.

Technical solution of the present invention is as follows: for convenience of the understanding technology, simultaneously referring to accompanying drawing, the parts label is represented with bracket among the figure.

The anti-device that ejects of punch die negative pressure is made up of moving knife fixed head (5), stationary knife (13), negative-pressure adsorption system (20), and it is characterized in that: stationary knife (13) is installed on the moving knife fixed head (5); The negative pressure inlet mouth a that the blade place of the last closed circular of stationary knife (13) opens and the stationary knife inner chamber c of air drain b that is connected with negative pressure inlet mouth a and ring-type form negative-pressure adsorption system (20).

Technical solution of the present invention also comprises:

The anti-device that ejects of described punch die negative pressure, it is characterized in that: stationary knife (13) is gone up the stationary knife inner chamber c periphery of closed circular, just stationary knife (13) is gone up in the air drain b of ring-type to distribute in horizontal mode at interval location tooth bar (17) is installed, and vertically trend is vertical with stationary knife (13) blade and align to have location tooth bar (17) crown end that unidirectional tooth plays fixation.

Advantage of the present invention and effect are as follows:

1, this punch die negative-pressure adsorption device is simple in structure, solved easily platen when die-cut because of material bending, the machine halt trouble that the Electrostatic Absorption reason causes has improved production efficiency.

2, this punch die negative-pressure adsorption method and apparatus has and makes easily, and easy to process, low cost of manufacture is used easy to maintenance.

Four, description of drawings

Accompanying drawing of the present invention is the structural representation of punch die negative-pressure adsorption device.Wherein Fig. 1 is the agent structure schematic diagram of punch die cutter; Fig. 2 is the side direction cross section view of punch die cutter, also is that A-A among Fig. 1 is to cutaway view; Fig. 3 is one group of fixedly structural representation of knife plate, also is that B-B among Fig. 1 is to view; Fig. 4 is the structural representation of single fixedly knife plate, also is C place partial enlarged view among Fig. 3; Fig. 5 is the section eyesight figure of single fixedly knife plate, also is the D-D cutaway view of Fig. 4; Fig. 6 is the structural representation of location tooth bar, also is E partial enlarged view among Fig. 5.

Number in the figure is described as follows: the 1-spring stop; The 2-spring; 3-moving knife fixed head; The accurate linear slide guiding element of 4-; 5-stationary knife fixed head; 6-strengthens base plate; The 7-screw; The 8-locknut; The 9-guide pin bushing; The 10-spring; The 11-holding pad; The 12-moving knife; The 13-stationary knife; The 14-infill panel; 15-finished product guide post; The die-cut material of 16-; 17-locatees tooth bar; 18-is knife plate fixedly; The movable knife plate of 19-; 20-negative-pressure adsorption system; The 21-frame; The die-cut power of 22-; A-negative pressure inlet mouth; The b-air drain; C-stationary knife inner chamber.

Five, the specific embodiment

Following adjoint is described in further detail:

Shown in Fig. 1-2, the anti-device that ejects of punch die negative pressure is made up of moving knife fixed head 5, stationary knife 13, negative-pressure adsorption system 20.Stationary knife fixed head 5 is installed on the machine 21, is that stationary knife 13 is installed, the basis of location.Stationary knife 13 is installed in the front of stationary knife fixed head 5.Strengthen the back side that base plate 6 is installed in stationary knife fixed head 5, be used for increasing the rigidity of stationary knife fixed head 5.Finished product guide post 15 is installed in the back side of stationary knife fixed head 5, is used for the die-cut material 16 of finished product of locating, leading and punching out.

As Fig. 3, Fig. 4, shown in Figure 5, around the stationary knife inner chamber c that design has the location tooth bar 17 of unidirectional tooth to distribute to be installed in stationary knife 13, be used for fixing the die-cut material 16 of the finished product that punches out, prevent that it from dropping out from the stationary knife inner chamber c of stationary knife 13.Moving knife fixed head 5, reinforcement base plate 6, stationary knife 13, finished product guide post 15, the location tooth bar 17 common dead knife plates 18 of forming; Die-cut power 22 is installed on the frame 21, is used for driving dynamic fixation plate 3 and back and forth moves along the direction of arrow.Moving knife fixed head 3 is connected with stationary knife fixed head 5 by the accurate linear slide guiding element 4 of many groups, and moving knife fixed head 3 is that moving knife 12 is installed, the basis of location.The die-cut quality of fit that the accurate linear slide guiding element 4 of many groups guarantees between each moving knife 12 and the stationary knife 13.Moving knife 12 is fixed on the moving knife fixed head 3, with the stationary knife 13 common Punching Technology that realize die-cut material 16.Holding pad 11 is installed on the moving knife fixed head 3 by screw 7, guide pin bushing 9, spring 10, locknut 8, holding pad 11 is used with moving knife 12, parallel and keep certain spacing between above holding pad 11 and the moving knife 12, holding pad 11 is by guide pin bushing 18 guiding when die-cut, rely on spring 10 to push down die-cut material 16 earlier, moving knife 12 carries out die-cut again, when moving knife 12 is finished when die-cut, holding pad 11 is still pushed down die-cut material 16, after breaking away from die-cut fully Deng moving knife 12, holding pad 11 is thrown off with moving knife base plate 3 and die-cut material 16, finishes the one-step punching operation.Spring 2 is bearing on the accurate linear slide guiding element 4 by spring bearer plate 1, is used for reducing the vibration of moving knife fixed head 3 in die-cut process.Spring stop 1, spring 2, moving knife fixed head 3, accurate linear slide guiding element 4, screw 7, nut 8, guide pin bushing 9, spring 10, holding pad 11, moving knife 12 have been formed movable knife plate 19 jointly; Processing one ring-shaped groove air drain b on the internal chamber wall of each stationary knife inner chamber c when die-cut material 16 is die-cut, has formed a ring-shaped ventilation groove, has the function of quick exhaust.When die-cut moving knife 12 separates, by negative pressure generator product negative pressure, by the negative pressure inlet mouth a that opens on the stationary knife 13, in air drain b, form negative pressure, the die-cut material 16 that downcuts is adsorbed in the stationary knife inner chamber c of stationary knife 13, when preventing that moving knife 12 from separating, die-cut material 16 is deviate from the inner chamber body of stationary knife 13.Negative pressure inlet mouth a, air drain b, stationary knife inner chamber c have formed negative-pressure adsorption system 2 jointly.Fixedly knife plate 18, movable knife plate 19, negative-pressure adsorption system 20 and die-cut power 22 have been formed the anti-ejection system of the die-cut cutter negative pressure of big platen jointly.The interior distribution in horizontal mode at interval of the air drain b of closed circular installed location 0 tooth bar 17 on the stationary knife 13, it is vertical with stationary knife (13) blade to have location tooth bar 17 trend (the crown end vertically moves towards) that unidirectional tooth plays fixation, locatees tooth bar 17 crown ends and aligns with stationary knife (13) blade.

The course of work is: referring to accompanying drawing 1, Fig. 2, Fig. 3, Fig. 4, a die-cut material 16 is positioned and is transported to die-cut position, and how moving die-cut power 22 promotion activity knife plates 19 to the right, and holding pad 11 is pressed in die-cut material 16 fixedly on the knife plate 18.Die-cut power 22 continues promotion activity knife plate 19 and moves right, compression spring 10, moving knife 12 cuts out die-cut material 16 with stationary knife 13 pressings, and die-cut material 16 is pressed among the stationary knife inner chamber c, simultaneously two-layer gas between the die-cut material 16 is in addition discharged from negative pressure inlet mouth a by air drain b, guarantees that two-layer die-cut material 16 fits tightly.During die-cut finishing, negative pressure by the negative pressure generator product, by the negative pressure inlet mouth a that opens on the stationary knife 13, in air drain b, form negative pressure, the die-cut material 16 that downcuts is adsorbed in the stationary knife inner chamber c of stationary knife 13, when preventing that the moving movable knife plate 19 of die-cut power 22 pullings is moved to the left, die-cut material 16 centre a variety of causes are deviate from from stationary knife inner chamber c.Thereby realized the anti-device that ejects of punch die negative pressure.

Claims

1. the anti-device that ejects of punch die negative pressure is made up of moving knife fixed head (5), stationary knife (13), negative-pressure adsorption system (20), and it is characterized in that: stationary knife (13) is installed on the moving knife fixed head (5); The negative pressure inlet mouth a that the blade place of the last closed circular of stationary knife (13) opens and the stationary knife inner chamber c of air drain b that is connected with negative pressure inlet mouth a and ring-type form negative-pressure adsorption system (20).

2. the anti-device that ejects of punch die negative pressure according to claim 1, it is characterized in that: stationary knife (13) is gone up the stationary knife inner chamber c periphery of closed circular, just stationary knife (13) is gone up in the air drain b of ring-type to distribute in horizontal mode at interval location tooth bar (17) is installed, and it is vertical with stationary knife (13) blade and align to have location tooth bar (17) crown end trend that unidirectional tooth plays fixation.