CN1636688A - Method and equipment for cutting sheet materials - Google Patents
Method and equipment for cutting sheet materials Download PDFInfo
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- CN1636688A CN1636688A CNA2004101048517A CN200410104851A CN1636688A CN 1636688 A CN1636688 A CN 1636688A CN A2004101048517 A CNA2004101048517 A CN A2004101048517A CN 200410104851 A CN200410104851 A CN 200410104851A CN 1636688 A CN1636688 A CN 1636688A
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- cut
- flaky material
- mould
- loading stage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/01—Means for holding or positioning work
- B26D7/02—Means for holding or positioning work with clamping means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/40—Cutting-out; Stamping-out using a press, e.g. of the ram type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/44—Cutters therefor; Dies therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D2007/0012—Details, accessories or auxiliary or special operations not otherwise provided for
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- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Details Of Cutting Devices (AREA)
Abstract
The invention provide a method for cutting a sheet material which included: fixup shear slice which connect to shear mould cut off slice material which on the imbark desk, so it is easy to slice up workpiece from and its device capable of preventing sheets punched from the sheet material from slice material; at least a time from shear's start to finish pressurized air is supplied to a space between a cutting die and a placing table.
Description
Technical field
The present invention relates to a kind of method and apparatus that cuts off flaky material, and particularly relate to a kind of cut off flaky material in case from the flaky material die-cut technology with sheet-like workpiece of reservation shape.
Background technology
For cutting off flaky material, in association area, there are many employing shearing devices, laser or analog to cut off or die-cut known technology.Wherein, use the die-cut technology of Thomson mould having advantage aspect process velocity or the processing cost, and be widely used (document 1 sees reference).
Here, the example of flaky material comprises polarizing plate or retardation plate, phase shift films, reflector plate and any other known flaky material.
Formation has the banded Thomson blade of die-cut shapes usually as die-cut cutter blades.For die-cut shapes, the cut-out sword of cutter blades forms annular shape usually.Die-cut shapes can not only form rectangle or round-shaped, but also can be required irregularly shaped according to using formation.
On the other hand, the groove with die-cut shapes is formed in the punch die that is fixed with cutter blades.The Thomson blade is fixedly mounted in the groove.At this on the one hand, punch die refers to " die cutting die ", but as broad as long with known punch die.
When cutting off, owing to have the cut-out mould motion up and down of Thomson blade, the flaky material that is installed on the loading stage is cut off, so that die-cut by the Thomson blade.
[list of references 1] JP 2002-11697A
But when in a single day the Thomson blade moved downward with the cut-out flaky material and then move upward, the flaky material of cut-out (sheet-like workpiece) can float and leave loading stage.This state will be described with reference to figure 6.
Fig. 6 is the vertical cross-section diagram of major part when cutting off of the sheet material cutting equipment in the background technology.The Thomson blade 51 that is used to cut off flaky material P is fixedly mounted in and cuts off in the mould 53.Cut off mould 53 and pass through dynamic pressure plate 55 in face side maintenance thereafter.Dynamic pressure plate 55 is bearing on the unshowned driving mechanism, so that on Thomson blade 51 and cut-out mould 53/motion down.
Loading stage 57 and the 51 relative fixed settings of Thomson blade.Liner film 59 is arranged on the upper surface of loading stage 57.Flaky material P is arranged on the liner film 59, and cuts off so that carry out die-cut by the Thomson blade.After flaky material P cut off, flaky material P is the feeding preset distance on the dotted arrow direction, made the part that will cut off subsequently be arranged on the position relative with the Thomson blade.
Fig. 6 represents that Thomson blade 51 moves downward and cuts off flaky material P so that from flaky material P upper punch section shape workpiece P0 and the state that then moves upward once more.In this case, the sheet-like workpiece P0 of cut-out or P1 can float as shown in the figure.In addition, sheet-like workpiece P1 and P2 shown in Figure 6 obtain by cutting off in action in the end and the last last action of moving.When therefore sheet-like workpiece P0 or other workpiece floated, sheet-like workpiece P0 or other workpiece broke away from sheet-like workpiece P0 or the cut position of other workpiece, made sheet-like workpiece P0 or analog to be cut off (so-called repeated cutting action) once more.
When sheet-like workpiece broke away from the cut position of sheet-like workpiece, on processing stand, becoming was difficult to correctly to carry out subsequently step (for example, the pick-up operation of sheet-like workpiece).Therefore loss appears.In addition, if repeated cutting action, even can not correctly carry out rupturing operation as key step.
Develop the present invention under the circumstances.The object of the present invention is to provide a kind of method and apparatus that cuts off flaky material, wherein prevent from the die-cut sheet-like workpiece come-up of flaky material, even perhaps the sheet-like workpiece come-up also can make it drop near the cut position of flaky material.
Summary of the invention
The present inventor investigates further so that examine bright described problem.Therefore, have been found that from the reason of the die-cut sheet-like workpiece of flaky material come-up or whereabouts disengaging configuration it is owing to cut off the air-flow that occurs between mould and the loading stage.In addition, think owing to cut off moving upward of mould in the space that cuts off between mould and the loading stage, to have negative pressure, make air from flowing into this space on every side with respect to ambient atmosphere.By described discovery, realize the present invention.
The present invention is primarily aimed at the following:
(1) method of cut-out flaky material: cut off the flaky material that is arranged on the loading stage by being fixedly attached to the cutter blades of cutting off on the mould, so that from the die-cut sheet-like workpiece of flaky material, and beginning from start-up operation at least one time point compressed gas supplying of its end in the space that cuts off mould and the loading stage.
(2) as the method for item 1 described cut-out flaky material, wherein Compressed Gas towards the sheet-like workpiece supply so that pressure is applied on the sheet-like workpiece.
(3) as the method for item 1 or 2 described cut-out flaky materials, wherein compressed gas supplying begins when flaky material cuts off by cutter blades.
(4) as the method for item 1 or 2 described cut-out flaky materials, wherein flaky material cuts off by the motion up and down of cutter blades, and compressed gas supplying is after the moving downward of cutter blades and be about to begin before it moves upward.
(5) as the method for item 1 or 2 described cut-out flaky materials, wherein when flaky material workpiece compressed gas supplying when loading stage floats to predetermined altitude or come-up and reaches predetermined period.
(6) a kind of equipment that is used to cut off flaky material comprises: have the cut-out member that is arranged in the cutter blades in the cut-out mould, its cut-out is arranged on the flaky material on the loading stage, so that from flaky material upper punch section shape workpiece; Be fixedly mounted on the locational loading stage relative with cutter blades; And be used for gas delivery member begin from rupturing operation in at least one time point compressed gas supplying of its end to the space that cuts off mould and the loading stage.
(7) as the equipment of item 6 described cut-out flaky materials, wherein the gas delivery member comprises: be used for the gas supply opening of compressed gas supplying in this space; Be communicated to the gas feed line on the gas supply opening; Wherein the gas supply opening is arranged in and cuts off in the mould, and the gas feed line is arranged to be contained in the groove part that is formed in the cut-out mould.
(8) a kind of method that is used to cut off flaky material comprises: cut off the flaky material that is arranged on the loading stage by being fixedly attached to the cutter blades of cutting off on the mould, so that from flaky material upper punch section shape workpiece; And be used for preventing during the rupturing operation or avoiding cutting off in the space between mould and the loading stage and negative pressure occurs with respect to ambient atmosphere.
(9) as item 8 described methods, wherein prevent or the step avoided comprises: by in cutting off mould or loading stage, setting in advance opening, allow air to enter this space, make this space be communicated with atmosphere.
According to the described embodiment of item (1), cut off flaky material so that from least one time point of the die-cut sheet-like workpiece of flaky material, Compressed Gas is fed in the space that cuts off between mould and the loading stage in cutter blades.Thus, even when cutter blades moves upward, can prevent that also this space has negative pressure with respect to ambient atmosphere.Therefore can prevent air from around flow on the loading stage.Therefore, owing to air-flow on loading stage, do not occur, can prevent to leave loading stage from the die-cut sheet-like workpiece come-up of flaky material.
In addition, in the present invention, comprise the cycle of rupturing operation between beginning and finishing break time.For example, when on the cutter blades/down during motion, mean break time from cutter blades to begin to move downward and move upward once more and return cycle in precalculated position up to cutter blades from the precalculated position.Preferably sheet-like workpiece by cutter blades after flaky material is die-cut and be about in cutter blades moment compressed gas supplying before the motion upwards in this cycle.In addition, as described in embodiment (5), present invention resides in supply gas when cutting off the sheet-like workpiece come-up and leaving loading stage predetermined altitude or come-up and reach the scheduled time.
Therefore, when sheet-like workpiece come-up occurring and leave the situation of loading stage, can be in the precalculated position or in the predetermined instant compressed gas supplying, so that make sheet-like workpiece drop near the cut position of sheet-like workpiece.
In addition, in each described embodiment,, can keep production capacity owing to do not need to reduce process velocity Compressed Gas is fed in the space that cuts off between mould and the loading stage.
Therefore,, keep production capacity, prevent simultaneously from the die-cut sheet-like workpiece come-up of flaky material, even perhaps the sheet-like workpiece come-up also makes it drop near the cut position of sheet-like workpiece according to the present invention.Therefore can correctly carry out the cutting-off process of flaky material.
In addition, in any embodiment of the invention, the example of flaky material comprises polarizing plate or retardation plate, phase shift films, reflector plate and any other known optical flaky material, or for example paper or the film of cloth and the thin slice of sheet material.Meaning under the situation of the die-cut parts of flaky material, using term " sheet-like workpiece " especially.
According to the described embodiment of item (2), except the sheet-like workpiece that the cut-out in this cut-out action is cut off constantly, cut off the workpiece that cuts off constantly in last cut-out action and can be present in the space that cuts off between mould and the loading stage.Because the influence of air-flow, each sheet-like workpiece are tending towards come-up.According to the embodiment of item (2), Compressed Gas is on cutting off the sheet-like workpiece that constantly is fed in this space.Therefore, prevent that this space has negative pressure, can suppress air-flow.In addition, pressure is applied directly on each sheet-like workpiece, prevents the sheet-like workpiece come-up.
In the time of in Compressed Gas is fed to the space that cuts off between mould and the loading stage, pressure vertically upward is applied to and cuts off on the mould.Action direction with cut off mould to move downward direction opposite.Here, according to the described embodiment of item (3), cut off moving downward before flaky material cuts off by cutter blades of mould and finish.Therefore, compressed gas supplying is not disturbed rupturing operation.In addition, in case be cut off and during compressed gas supplying, be enough to prevent that the space that cuts off between mould and the loading stage has negative pressure when flaky material.
On the other hand, when Compressed Gas is fed to when being cut off the hollow space that blade centers on, carry out following operation.When flaky material had been cut off the blade cut-out, the supply of Compressed Gas was for not influence of the rupturing operation of carrying out in the same manner.In addition, pressure more early is applied on the sheet-like workpiece of cut-out, can suppress the phenomenon that the sheet-like workpiece come-up is left loading stage more.Therefore,, flaky material cuts off in case being cut off blade, the compressed gas supplying that will begin in a minute, and pressure can effectively and very early be applied on the sheet-like workpiece.
According to the described embodiment of item (4), when cutter blades was moved up and down, the moment before moving upward was positioned at nethermost position to cutter blades after moving downward and soon.At this constantly, flaky material is cut off.Therefore, when when this begins compressed gas supplying constantly,, but can prevent that the space that cuts off between mould and the loading stage has negative pressure in the stage very early for not influence of rupturing operation.
According to the described embodiment of item (6),, cutter blades can prevent that also the space that cuts off between mould and the loading stage has negative pressure with respect to ambient atmosphere even moving upward.Therefore can prevent air from around flow on the loading stage.Therefore, air-flow on loading stage, do not occur, can prevent to leave loading stage from the die-cut sheet-like workpiece come-up of flaky material.
According to the described embodiment of item (7), from being arranged in the source of the gas supply opening that cuts off in mould compressed gas supplying vertically downward.Therefore, pressure can be applied directly on the sheet-like workpiece.In addition, the gas feed line is arranged to be contained in and is formed in the groove that cuts off in the mould.Therefore, can avoid the interference of gas feed line and any other parts or analog.
According to the described embodiment of item (8), can prevent that the space that cuts off between mould and the loading stage has negative pressure.Therefore can prevent that air-flow is from flowing in this space on every side.Therefore, can prevent the flaky material come-up,, it is dropped near the cut position of flaky material even perhaps flaky material floats.
Atmosphere is led in the space that cuts off between mould and the loading stage at first.But this space can have negative pressure temporarily.According to the described embodiment of item (9), the spatial design of cutting off between mould and the loading stage becomes further to lead to atmosphere, can prevent that this space has negative pressure.Therefore, can prevent the flaky material come-up.
Description of drawings
Fig. 1 is the schematic diagram according to the embodiment of sheet material cutting equipment of the present invention;
Fig. 2 is the plane that cuts off mould from the present invention that its rear side is watched;
Fig. 3 A is the vertical cross-section diagram at the cut-out mould of Fig. 2 arrow A-A intercepting;
Fig. 3 B is the front view of only representing cutter blades in Fig. 2 arrow A-A intercepting;
Fig. 4 is that the major part of sheet material cutting equipment is being cut off vertical cross-section diagram constantly;
Fig. 5 is that the major part of sheet material cutting equipment is being cut off vertical cross-section diagram constantly;
Fig. 6 is that the major part of prior art sheet material cutting equipment is being cut off vertical cross-section diagram constantly.
The specific embodiment
With reference now to accompanying drawing, describes embodiments of the invention in detail, but should be appreciated that the present invention does not constitute its restriction.
Fig. 1 is the schematic diagram of the embodiment of sheet material cutting equipment of the present invention.
The sheet material cutting equipment of this embodiment has the movable cut-off parts 1 and the loading stage 2 that are used to cut off flaky material P, be used at the gas supply section 3 that cuts off compressed gas supplying constantly and be used to control the control member 4 of Compressed Gas supply rate.Movable cut-off parts 1 is corresponding with cut-out member of the present invention, and gas supply section 3 is corresponding with gas delivery member of the present invention.
Movable cut-off parts 1 has Thomson blade 11 and is used for cutting off in face side maintenance thereafter the dynamic pressure plate 17 of mould 13.Dynamic pressure plate 17 is by unshowned crank mechanism supporting.Cutting off constantly, dynamic pressure plate 17 is because the driving force of transmission crank mechanism is wherein carried out motion up and down.In this case, Thomson blade 11 and 13 same and dynamic pressure plate 17 motions up and down together of cut-out mould.
Here, the driving force of dynamic pressure plate 17 is not limited to crank mechanism.The mechanism that makes dynamic pressure plate move up and down preferably is used as drive source.The example of drive source comprises cylinder mechanism.
In addition, Thomson blade 11 is corresponding with cutter blades of the present invention.
In the description of this specification, the surface that is furnished with the cut-out mould 13 of Thomson blade 11 is called " front surface " that cuts off mould 13, and the surface that is bearing in the cut-out mould 13 on the dynamic pressure plate 17 is called " rear surface " that cuts off mould 13.
Fixed placement loading stage 2 below movable cut-off parts 1.In order to prevent Thomson blade 11 and loading stage 2 collisions, cutting off damage constantly thus, liner film 21 is arranged on the upper surface of loading stage 2.In this embodiment, polyethylene terephthalate (PET) is as liner film 21.As liner,, the suitable hardness that PET has, good durability Thomson blade 11 also produces seldom advantages such as external substance even corroding PET.
Here, the gas by gas supply source 31 supplies is not limited to Compressed Gas.Can suitably select gas according to environment for use.The example of gas comprises inert gas.
Owing to mist separator 32 is set, can eliminates fine particle contained in the Compressed Gas, oil component etc.
In addition, tracheae 35 is corresponding with gas feed line of the present invention.
Control member 4 receives detection signal from the unshowned position-detection sensor of Thomson blade 11.According to the position of Thomson blade 11, the control member 4 described electromagnetic switch valves 33 of operation are so that the control Compressed Gas is fed to the moment of movable cut-off parts 1.Control member 4 is gone back the operation of controllable flow adjustable valve 34.
In addition, equipment of the present invention has unshowned flaky material feed mechanism, by the feeding flaky material P of this mechanism.For example, when the flaky material P that will cut off was reels of material, this equipment had the flaky material feed mechanism that constitutes by the cylindrical shell of rotatably support reel or analog, made and can supply out flaky material P.
In addition, equipment according to this embodiment has unshowned flaky material conveying mechanism, cut off action for each, by this mechanism flaky material P is transported on the loading stage 2 with predetermined feeding distance, and on the relative position of the part that is installed in the flaky material P that will cut off and Thomson blade 11.
Here with movable cut-off parts 1 of more detailed description and gas supply section 3.Fig. 2 is the plane according to the cut-out mould of this embodiment.Fig. 3 A is the vertical cross-section diagram at the cut-out mould of Fig. 2 arrow A-A intercepting.Fig. 3 B is a front view of only representing cutter blades.
Cut off mould 13 and made by the rectangle glued board, its further groove forms along shape that will be die-cut.In this embodiment, will die-cut shape be rectangle.The Thomson blade 11 of each self-forming rectangle is installed in the groove so that fix wherein.In this embodiment, four rectangle Thomson blades 11 are arranged in the cut-out mould 13.The shape of each Thomson blade 11 is not limited to rectangle, and can form circle, polygon or another is irregularly shaped.
Each Thomson blade 11 is arranged to towards forming the direction of miter angle degree with respect to cut-out mould 13 1 sides, so that form a line at the middle body that cuts off mould 13.In this embodiment, polarizing plate is handled as flaky material P.Thus, the absorption axis of the polarizing plate that will cut off tilts with 45 degree.Therefore, the angle of each Thomson blade 11 be can appropriate change design considerations.
In addition, four through hole 14a that tracheae 35 inserts wherein are set in this embodiment.These through holes 14a is arranged vertically to its front surface from the rear surface that cuts off mould 13, and the hollow space that forms with Thomson blade 11 separately is central corresponding.In addition, through hole 14b is being arranged on the throughput direction of flaky material P on the position of parallel offset through hole 14a, and is corresponding with its feeding distance.Here feeding distance is the distance of flaky material feeding in each cuts off action.Therefore, the sheet-like workpiece that cuts off by last cut-out action is placed vertically below through hole 14b.
In addition, the groove part 15 that is placed with tracheae 35 ordinatedly is arranged on the rear surface that cuts off mould 13.Each groove 15 forms from each through hole 14a, 14b and extends to the sidepiece that cuts off mould 13.Each groove part 15 has slightly the degree of depth and the width greater than the overall diameter of each tracheae 35.
Here, shown in Fig. 3 A and 3B, on the position that each groove part 15 Thomson blade 11 corresponding with it intersects, breach 12 is pre-formed on Thomson blade 11.
Its reason is as follows.That is, as shown in Figure 3A, on the position of the rear surface that is installed to the Thomson blade 11 arrival cut-out moulds 13 that cut off on the mould 13, form groove part 15 usually.
Therefore, on the position that will form groove part 15 at Thomson blade 11 back cutting U-shaped breach 12.Therefore, avoid the interference of Thomson blade 11 and groove part 15.
In this way, eight tracheaes 35 hold and are placed among through hole 14a and the 14b and are formed in the groove part 15 in the rear surface that cuts off mould 13.The tracheae 35 that inserts through hole 14a and 14b is communicated on gas supply opening 37a and the 37b, so that be communicated with it.On the other hand, although in Fig. 2, do not illustrate, flow control valve 34 and electromagnetic switch valve 33 be arranged on another of each tracheae 35 distolateral on.
In this embodiment, the glued board with 18 millimeters thickness is as cutting off mould 13, and the pipe with 6 millimeters overall diameters is as each tracheae 35.The breach 12 that is formed on each Thomson blade 11 back is 8 mm wides.
Therefore, do not need to be provided with separately any space of placing tracheae 35, for example increasing under the situation of the thickness that cuts off mould 13, can prevent dynamic pressure plate 17 and tracheae 35 interference.
Then, will operation according to the sheet material cutting equipment of this embodiment be described with reference to Figure 4 and 5.Figure 4 and 5 are to cut off vertical cross-section diagram constantly according to the major part of the sheet material cutting equipment of this embodiment.
Flaky material P carries by unshowned material transport mechanism structure, and will cut-off parts locatees exactly and be arranged on the position relative with Thomson blade 11.In this case, the sheet-like workpiece P1 that cuts off in last cut-out action is placed on and cuts off between mould 13 and the loading stage 2.
Then, a series of rupturing operation of following beginning.
At first, as shown in Figure 4, dynamic pressure plate 17 drives by unshowned crank mechanism so that downwards towards the flaky material P motion that is installed on the loading stage 2.In this case, each Thomson blade 11 and motion mould 13 are with dynamic pressure plate 17 operations.
The cut-out sword contact flaky material P of Thomson blade 11, and Thomson blade 11 cuts off flaky material P so that it is die-cut at once.
When dynamic pressure plate 17 moved downward the precalculated position, dynamic pressure plate 17 stopped moving downward.
The motion that detects dynamic pressure plate 17 when the unshowned position-detection sensor of Thomson blade 11 stops, and the position-detection sensor output signal is to control member 4.
When the signal input control member 4 from position-detection sensor, control member 4 is opened electromagnetic switch valve 33.In addition, flow control valve 34 is adjusted in advance and has suitable opening according to test or similar approach.
Compressed Gas by gas supply source 31 supplies sends to gas supply opening 37 by tracheae 35.Therefore, Compressed Gas is fed in the space that cuts off between mould 13 and the loading stage 2, shown in the dotted line that Fig. 5 has arrow.
That is, control section 4 operation and control electromagnetic switch valve 33 will be so that also soon begin supply gas before it moves upward after the moving downward of Thomson blade 11.Supply gas is carved in 3 beginnings of gas supply section at this moment.
After the experience scheduled time, control section 4 closed electromagnetic switch valves 33.Then, the stop supplies Compressed Gas is to gas supply opening 37a and 37b.In this embodiment, finish setting, make at stop supplies Compressed Gas 0.5 second the time from the beginning compressed gas supplying to experience.Supply time, its supply according to test or similar approach adjustment and suitable selection Compressed Gas stop the moment, its supply rate etc.
On the other hand, after moving downward termination, dynamic pressure plate 17 begins to move upward by unshowned crank mechanism.Thomson blade 11 and dynamic pressure plate 17 move upward together.
In this case, Compressed Gas has been fed in the space that cuts off between mould 13 and the loading stage 2.Therefore, even dynamic pressure plate 17 moves upward, prevent that this space has negative pressure.Therefore, can prevent that gas is from flowing into this space on every side.In addition, because Compressed Gas, pressure is applied on sheet-like workpiece P0 and the P1.Therefore, prevent sheet-like workpiece P0 and P1 come-up.Therefore can correctly carry out rupturing operation.
When dynamic pressure plate 17 turned back to its initial position and stops moving upward, a series of rupturing operations stopped.
Be arranged on the relative position of flaky material P on the loading stage 2 is installed in the flaky material P that then will cut off once more by unshowned flaky material conveying mechanism a part and Thomson blade 11.
Beginning rupturing operation subsequently, and repeat described cutting-off process.
The present invention is not limited to described embodiment, but can following modification implement.
Although embodiment 1 has represented gas supply opening 37a, 37b and has been arranged in equally on the position that each Thomson blade 11 centers on that the present invention is not limited to this structure.That is,, gas supply opening 37a can only be set if Compressed Gas can be fed in the space that cuts off between mould 13 and the loading stage 2.
In addition, gas supply opening 37a and 37b can be evenly arranged on the front surface that cuts off mould 13.
In addition, gas supply opening 37 can be arranged in the peripheral part that cuts off mould 13.Therefore, can prevent the end swing of flaky material.
The shape of each gas supply opening 37a, 37b among the embodiment 2 can change so that the radial spray Compressed Gas.In addition, the open area of each gas supply opening 37a, 37b can be expanded so that spray Compressed Gas at two-dimensional direction.
The shape of each through hole 14a, 14b can be according to shape or the direction appropriate change of each air supply opening 37a, 37b.For example, through hole 14a, 14b can be arranged to respect to the surperficial shape of cutting off mould 13 at an angle.
Embodiment 4
Although this embodiment be illustrated in dynamic pressure plate 17 move downward after and soon before it moves upward, begin compressed gas supplying, the present invention is not limited to this structure.For example, the supply of Compressed Gas can will begin in a minute when flaky material P cuts off, or will begin in a minute when the contact pad designed film 21 of Thomson blade 11.Therefore, but control section 4 shown in this embodiment and unshowned position-detection sensor appropriate change.
In addition, the supply of Compressed Gas can begin when sheet-like workpiece P0 floats.Therefore, can obtain the only structure of compressed gas supplying when sheet-like workpiece P0 must fall.For detecting the float method of this situation of flaky material P, can or highly detect according to the position of flaky material P come-up, perhaps the time of having left loading stage 2 according to flaky material P is detected.
In addition, can Compressed Gas without interruption during cutting off action.Therefore, can omit control section 4.
The present invention also discloses following modification.That is, the opening that space and atmosphere are communicated with between feasible cut-out mould 13 and the loading stage 2 can be arranged on and cut off in mould 13 and the dynamic pressure plate 17.Therefore, even interim, can prevent that also the space that cuts off between mould 13 and the loading stage 2 has negative pressure owing to cut off moving up of mould 13 and dynamic pressure plate 17.
Whether opening is positioned at hollow space that Thomson blade 11 forms does not influence and prevents negative pressure.Therefore, opening can be arranged in the hollow space that Thomson blade 11 forms or on the position beyond the hollow space.
In addition, opening can be arranged in loading stage 2 and the spacer block 21, and perhaps opening can be arranged on loading stage 2 grades and cut off mould 13 and wait in both.
Adopt this structure, can prevent flaky material P come-up.In addition, can omit gas supply section 3 and control section 4.In addition, need in cutting off mould 13, not form through hole 14 and groove part 15, perhaps need breach 12 be set at the predetermined rear side of Thomson blade 11.Therefore can be so that structure be very simple.
According to the present invention, cutting off constantly, Compressed Gas is fed in the space that cuts off between mould and the loading stage.Therefore, can prevent that this space has negative pressure, make to prevent that air is from inflow space on every side.Therefore, can prevent that sheet-like workpiece come-up die-cut from the flaky material from leaving loading stage.Therefore, keep production capacity, prevent the sheet-like workpiece come-up simultaneously, even perhaps the workpiece come-up also can make it drop near the cut position of sheet-like workpiece.Therefore can correctly carry out the cutting-off process of flaky material.
Though described the present invention in detail and carried out reference for its specific embodiment, those of ordinary skills will understand can carry out multiple remodeling and modification and without departing from the spirit and scope of the present invention.
The Japanese patent application NO.2003-427450 that this application was submitted to based on December 24th, 2003, and the content of this patent is hereby expressly incorporated by reference.
Claims (9)
1. method that is used to cut off flaky material comprises:
By being fixedly attached to the cutter blades of cutting off on the mould, from flaky material upper punch section shape workpiece, it is characterized in that, during cut-out, Compressed Gas is fed in the space between described cut-out mould and the described loading stage.
2. the method for cut-out flaky material as claimed in claim 1 is characterized in that, Compressed Gas towards cut described sheet-like workpiece supply so that pressure is applied on the described sheet-like workpiece.
3. the method for cut-out flaky material as claimed in claim 1 or 2 is characterized in that, compressed gas supplying begins when flaky material cuts off by cutter blades.
4. the method for cut-out flaky material as claimed in claim 1 or 2, it is characterized in that, the up and down motion of flaky material by cutter blades cut off, and compressed gas supplying is after the moving downward of cutter blades and be about to begin before it moves upward.
5. the method for cut-out flaky material as claimed in claim 1 or 2 is characterized in that, when flaky material workpiece compressed gas supplying when loading stage floats to predetermined altitude or come-up and reaches predetermined period.
6. equipment that is used to cut off flaky material comprises:
Have and be arranged in the cut-out member that cuts off the cutter blades in the mould, the fixedly loading stage of flaky material; Described cut-out member is characterized in that from being contained in the flaky material upper punch section shape workpiece on the described loading stage, has when cutting off the gas delivery member in the space that Compressed Gas is fed between described cut-out mould and the described loading stage.
7. the equipment of cut-out flaky material as claimed in claim 6 is characterized in that,
Described gas delivery member comprises:
Be used for the gas supply opening of compressed gas supplying in the described space;
Be communicated to the gas feed line on the described gas supply opening;
Wherein the gas supply opening is arranged in the described cut-out mould, and described gas feed line is arranged to be contained in the groove part that is formed in the described cut-out mould.
8. method that is used to cut off flaky material comprises:
Cut off the flaky material that is arranged on the loading stage by being fixedly attached to the cutter blades of cutting off on the mould, so that from flaky material upper punch section shape workpiece; And
Be used for preventing during the rupturing operation or avoiding cutting off in the space between mould and the loading stage and negative pressure occurs with respect to ambient atmosphere.
9. method as claimed in claim 8 is characterized in that, prevents or the step avoided comprises:
By in cutting off mould or loading stage, setting in advance opening, allow air to enter this space, make this space be communicated with atmosphere.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP427450/03 | 2003-12-24 | ||
| JP2003427450A JP2005186173A (en) | 2003-12-24 | 2003-12-24 | Method for cutting sheet material and its device |
| JP427450/2003 | 2003-12-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1636688A true CN1636688A (en) | 2005-07-13 |
| CN100448634C CN100448634C (en) | 2009-01-07 |
Family
ID=34786721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004101048517A Expired - Fee Related CN100448634C (en) | 2003-12-24 | 2004-12-24 | Method and equipment for cutting sheet materials |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2005186173A (en) |
| KR (3) | KR100816699B1 (en) |
| CN (1) | CN100448634C (en) |
| TW (1) | TWI270449B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105722797A (en) * | 2013-11-15 | 2016-06-29 | 旭硝子株式会社 | Method for producing glass plate and device for producing glass plate |
| CN106003234A (en) * | 2016-06-20 | 2016-10-12 | 苏州市相城区陆慕鑫诚精密模具厂 | Fixing mechanism used for stamping mould |
| CN108687863A (en) * | 2018-05-17 | 2018-10-23 | 河南威浦仕医疗科技有限公司 | Hydrogel eye plaster patch cutter device |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200460127Y1 (en) * | 2010-03-11 | 2012-05-04 | 김범회 | Thomson Molding Device |
| KR101141973B1 (en) * | 2010-04-22 | 2012-05-04 | 김범회 | Thomson Molding Device |
| KR101382269B1 (en) * | 2013-05-30 | 2014-04-08 | 주식회사 알앤에프케미칼 | Complex sheet for use of punching process for optical film |
| CN111989357B (en) | 2018-04-19 | 2023-08-11 | 东洋纺株式会社 | Polyester film for surface protection film of folding display and use thereof |
| KR102309156B1 (en) | 2021-06-18 | 2021-10-08 | 주식회사 메사 | Multi function one touch tent set |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61199397U (en) * | 1985-05-30 | 1986-12-13 | ||
| JPH0632319Y2 (en) * | 1988-12-21 | 1994-08-24 | 株式会社島津製作所 | Test piece punching die |
| JPH06328397A (en) * | 1993-05-20 | 1994-11-29 | Ricoh Co Ltd | Manufacturing device of liquid crystal display element and fixing of its blade |
| JP3163029B2 (en) | 1997-02-20 | 2001-05-08 | エヌ・ディ・シー株式会社 | Die cutter |
-
2003
- 2003-12-24 JP JP2003427450A patent/JP2005186173A/en active Pending
-
2004
- 2004-12-22 TW TW093139995A patent/TWI270449B/en not_active IP Right Cessation
- 2004-12-24 KR KR1020040111717A patent/KR100816699B1/en not_active IP Right Cessation
- 2004-12-24 CN CNB2004101048517A patent/CN100448634C/en not_active Expired - Fee Related
-
2007
- 2007-08-03 KR KR1020070078285A patent/KR20070083232A/en active Search and Examination
-
2008
- 2008-06-27 KR KR1020080061821A patent/KR20080066651A/en not_active Application Discontinuation
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105722797A (en) * | 2013-11-15 | 2016-06-29 | 旭硝子株式会社 | Method for producing glass plate and device for producing glass plate |
| CN106003234A (en) * | 2016-06-20 | 2016-10-12 | 苏州市相城区陆慕鑫诚精密模具厂 | Fixing mechanism used for stamping mould |
| CN108687863A (en) * | 2018-05-17 | 2018-10-23 | 河南威浦仕医疗科技有限公司 | Hydrogel eye plaster patch cutter device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005186173A (en) | 2005-07-14 |
| KR20070083232A (en) | 2007-08-23 |
| CN100448634C (en) | 2009-01-07 |
| KR100816699B1 (en) | 2008-03-27 |
| TW200524720A (en) | 2005-08-01 |
| KR20080066651A (en) | 2008-07-16 |
| KR20050065406A (en) | 2005-06-29 |
| TWI270449B (en) | 2007-01-11 |
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Granted publication date: 20090107 Termination date: 20101224 |