Die cutting device and die cutting material belt machined by die cutting device

Abstract

The utility model discloses a die cutting device and a die cutting material belt processed by the die cutting device, and relates to the field of die cutting, the die cutting device comprises a protective film material belt and a plurality of sheet parts arranged on the protective film material belt, the sheet parts are arranged on the upper surface of the protective film material belt in an end-to-end connection mode, the sheet parts are provided with a plurality of first hollow parts, and a groove is formed in the center of the upper surface of a release layer. The protective film material belt is provided with a plurality of first hollowed-out parts, the first hollowed-out parts are arranged around the groove, the protective film material belt is provided with a plurality of second hollowed-out parts, the second hollowed-out parts and the first hollowed-out parts are arranged in a one-to-one correspondence mode, and projections of the first hollowed-out parts in the thickness direction of the protective film material belt are contained in the second hollowed-out parts. The protective transparent layer is surrounded by the release layer and the protective film material belt, the bearing film is borne on the protective film material belt, the bearing film cannot fall off from the protective film material belt, and the scraper is located between the waste material belt and the release layer. Continuous and automatic forming of the bearing film is facilitated, and the formed bearing film is high in flatness and free of burrs and scratches.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of die cutting, in particular to a die cutting device and die cutting material belt processed by the same. BACKGROUND

[0002] Optical composite film, in short, is two or more optical films pasted into one film, so that one film can integrate two or more optical functions. When die cutting the carrier film in the processing of optical composite film, since the carrier film will be used in optical devices, its surface cannot have scratches, and its flatness is required to be high.

[0003] After die cutting processing, in order to reduce waste and improve the utilization rate of protective film material belt, part of the carrier film has small spacing or is even connected with each other on the protective film material belt. When using a metal sheet as a scraper to separate the carrier film from the waste material belt, due to the influence of the position accuracy of the scraper, the carrier film separated by the scraper has defects such as insufficient flatness, burrs and scratches.

[0004] Therefore, the utility model provides a die cutting device and die cutting material belt processed by the same, so that the carrier film can be prevented from being scratched during the separation processing by the scraper. SUMMARY

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a die cutting material belt, comprising a protective film material belt and a plurality of sheet parts arranged on the protective film material belt, the sheet parts are arranged on the upper surface of the protective film material belt in a head-to-tail manner, the sheet parts are provided with a plurality of first hollow parts, the center position of the upper surface of the release layer is provided with a groove, the first hollow parts are arranged around the groove, the protective film material belt is provided with a plurality of second hollow parts, the second hollow parts are arranged one by one corresponding to the first hollow parts, and the projection of the first hollow part along the thickness direction of the protective film material belt is contained in the second hollow part.

[0006] Preferably, the second hollow part and the first hollow part each comprise a first opening and a second opening, the first opening and the groove are each a rounded rectangle, the second opening is a circular arc, the first openings are uniformly arranged on both sides of the groove, and the second opening and the end angle position of the groove are concentrically arranged.

[0007] Preferably, the sheet part is an OPP protective film, the sheet part comprises a release layer and a transparent layer, and the release layer, the transparent layer and the protective film material belt are sequentially pasted.

[0008] Preferably, the projection of the first hollow part along the thickness direction of the protective film material belt coincides with the second hollow part.

[0009] Preferably, the transparent layer is a transparent PET protective film, and the thickness of the transparent layer is 0.1 mm.

[0010] Preferably, the release layer is a transparent release film, and the thickness of the release layer is 0.05mm.

[0011] Preferably, the protective film strip is a transparent acrylic film strip, and the thickness of the protective film strip is 0.075mm.

[0012] Preferably, the die-cutting strip further comprises a protective film, the protective film is arranged inside the groove, the protective film is a release film, the protective film is a rounded rectangle, and the thickness of the protective film is 0.05mm.

[0013] The utility model also provides a die cutting device for processing the die cutting strip, the die cutting device comprises a rack, upper adsorption roller, lower adsorption roller, bearing seat, support shaft, threaded rod, scraper, the upper adsorption roller and lower adsorption roller are sequentially rotatablely arranged in the rack along the vertical direction, the scraper is detachably arranged in the middle part of support shaft, the both ends of support shaft are rotatablely arranged in bearing seat, bearing seat is slidably arranged in the rack, the included angle between the sliding direction of bearing seat and vertical direction is acute angle, the threaded rod is screwly connected in the rack, and the threaded rod is connected with bearing seat one by one.

[0014] The support shaft comprises a main shaft and a fixed block, the main shaft is provided with a center hole, a through groove is formed in the middle part of the circumferential surface of the main shaft, the middle part of the through groove is communicated with the upper end of the center hole, the fixed block is detachably arranged in the through groove, and the scraper is clamped between the fixed block and the groove bottom of the through groove.

[0015] The utility model discloses the beneficial effect is: through release layer and protective film strip surround protection transparent layer, and the bearing film is borne on the protective film strip, and the bearing film will not fall off from the protective film strip, and the waste material strip is separated with the protective film strip through the scraper, and the scraper is located between the waste material strip and release layer, avoids scratching the bearing film. BRIEF DESCRIPTION OF DRAWINGS

[0016] The drawings further illustrate the utility model, but the embodiments in the drawings do not constitute any limitation to the utility model.

[0017] Figure 1 The utility model provides a die cutting strip's perspective drawing for an embodiment of the utility model;

[0018] Figure 2 The utility model provides a sheet part's structural schematic view for an embodiment of the utility model.

[0019] Figure 3 The structure diagram of the die cutting device is provided for an embodiment of the utility model.

[0020] The drawings show that: 1 is a protective film strip; 2 is a sheet part; 3 is a release layer; 4 is a transparent layer; 5 is a rack; 6 is an upper suction roller; 7 is a lower suction roller; 8 is a bearing seat; 9 is a supporting shaft; 10 is a threaded rod. DETAILED DESCRIPTION

[0021] The specific embodiments of the utility model are described in detail below in combination with the drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the utility model, and are not used to limit the utility model.

[0022] It should be noted that in the utility model, when an element is referred to as "connected to" or "provided on" another element, it can be directly on the other element or there can be a middle element. "Inner" and "outer" refer to the inner and outer of the specific contour.

[0023] As shown in the utility model, an embodiment of the utility model provides a die cutting strip, which comprises a protective film strip and a plurality of sheet parts provided on the protective film strip 1. Figures 1-2 The sheet parts 2 are sequentially provided on the upper surface of the protective film strip 1, the sheet parts 2 are provided with a plurality of first hollow parts, the center position of the upper surface of the release layer 3 is provided with a groove, the first hollow part is provided around the groove, the protective film strip 1 is provided with a plurality of second hollow parts, the second hollow parts are provided one by one corresponding to the first hollow parts, and the projection of the first hollow part along the thickness direction of the protective film strip 1 is contained in the second hollow part.

[0024] The second hollow part and the first hollow part each comprise a first opening and a second opening, the first opening and the groove are each a rounded rectangle, the second opening is a circular arc, the first openings are uniformly and separately provided on both sides of the groove, and the second opening and the end angle position of the groove are concentrically provided.

[0025] The sheet part 2 is an OPP protective film, the sheet part 2 comprises a release layer 3 and a transparent layer 4, and the release layer 3, the transparent layer 4 and the protective film strip 1 are sequentially attached.

[0026] The projection of the first hollow part along the thickness direction of the protective film strip 1 coincides with the second hollow part.

[0027] The transparent layer 4 is a transparent PET protective film, and the thickness of the transparent layer 4 is 0.1 mm.

[0028] The release layer 3 is a transparent release film, and the thickness of the release layer 3 is 0.05 mm.

[0029] The protective film strip 1 is a transparent acrylic film strip, and the thickness of the protective film strip 1 is 0.075 mm.

[0030] The die-cutting strip further comprises a protective film, the protective film is arranged inside the groove, the protective film is a release film, the protective film is a rounded rectangle, and the thickness of the protective film is 0.05 mm.

[0031] As shown in Figure 3 An embodiment of the utility model provides a kind of die-cutting device for processing die-cutting strip as described above, the die-cutting device includes rack 5, upper adsorption roller 6, lower adsorption roller 7, bearing seat 8, support shaft 9, threaded rod 10, doctor blade, the upper adsorption roller 6 and lower adsorption roller 7 are sequentially rotatable arranged in rack 5 along vertical direction, the doctor blade is detachably arranged in the middle of support shaft 9, the both ends of support shaft 9 are rotatably arranged in bearing seat 8, the bearing seat 8 is slidably arranged in rack 5, the included angle between the sliding direction of bearing seat 8 and vertical direction is acute angle, the threaded rod 10 is screw connected in rack 5, and the threaded rod 10 is connected with bearing seat 8 one by one.

[0032] The support shaft 9 includes main shaft and fixed block, the main shaft is provided with central hole, the circumferential surface middle part of the main shaft is provided with through slot, the middle part of the through slot is communicated with the upper end of central hole, the fixed block is detachably arranged in the through slot, and the doctor blade is clamped between fixed block and the groove bottom of through slot.

[0033] The technical features of the above-described embodiments can be combined arbitrarily, and to make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. It should be noted that, for those skilled in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which should be considered as falling within the scope of the present disclosure.

Claims

1. A die-cut strip, characterized by: The protective film strip comprises a plurality of sheet portions arranged on the upper surface of the protective film strip in a head-to-tail manner, the sheet portions are provided with a plurality of first hollow portions, a groove is arranged at the center position of the upper surface of the release layer, the first hollow portions are arranged around the groove, the protective film strip is provided with a plurality of second hollow portions, the second hollow portions are arranged in one-to-one correspondence with the first hollow portions, and the projection of the first hollow portion along the thickness direction of the protective film strip is contained in the second hollow portion.

2. The die-cut tape of claim 1, wherein: The second hollow portion and the first hollow portion each comprise a first opening and a second opening, the first opening and the groove are each a rounded rectangle, the second opening is a circular arc, the first openings are uniformly arranged on both sides of the groove, and the second opening and the end angle position of the groove are arranged in concentricity.

3. The die-cut strip of claim 2, wherein: The sheet portion is an OPP protective film, the sheet portion comprises a release layer and a transparent layer, and the release layer, the transparent layer and the protective film strip are sequentially attached.

4. The die-cut strip of claim 3, wherein: The projection of the first hollow portion along the thickness direction of the protective film strip coincides with the second hollow portion.

5. The die-cut strip of claim 4, wherein: The transparent layer is a transparent PET protective film, and the thickness of the transparent layer is 0.1 mm.

6. The die-cut strip of claim 5, wherein: The release layer is a transparent release film, and the thickness of the release layer is 0.05 mm.

7. The die-cut strip of claim 6, wherein: The protective film strip is a transparent acrylic film, and the thickness of the protective film strip is 0.075 mm.

8. The die-cut strip of claim 7, wherein: Further comprising a protective film arranged in the groove, the protective film is a release film, and the thickness of the protective film is 0.05 mm.

9. A die cutting apparatus characterized by: The die cutting device is used for processing the die cutting strip of any one of claims 1 to 8, and the die cutting device comprises a rack, an upper suction roller, a lower suction roller, a bearing seat, a support shaft, a threaded rod and a scraper, the upper suction roller and the lower suction roller are sequentially arranged in the vertical direction and can be rotated in the rack, the scraper is detachably arranged in the middle part of the support shaft, the both ends of the support shaft are rotatably arranged in the bearing seat, the bearing seat is slidably arranged in the rack, the included angle between the sliding direction of the bearing seat and the vertical direction is an acute angle, the threaded rod is threadedly connected to the rack, and the threaded rod is connected to the bearing seat in one-to-one correspondence.

10. The die cutting apparatus of claim 9, wherein: The support shaft comprises a main shaft and a fixing block, the main shaft is provided with a center hole, a through groove is arranged in the middle part of the circumferential surface of the main shaft, the middle part of the through groove is in communication with the upper end of the center hole, the fixing block is detachably arranged in the through groove, and the scraper is clamped between the fixing block and the groove bottom of the through groove.

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