CN111252603A - Glass interlayer material PVB (polyvinyl butyral) membrane die cutting device and die cutting process - Google Patents
Glass interlayer material PVB (polyvinyl butyral) membrane die cutting device and die cutting process Download PDFInfo
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- CN111252603A CN111252603A CN202010143587.7A CN202010143587A CN111252603A CN 111252603 A CN111252603 A CN 111252603A CN 202010143587 A CN202010143587 A CN 202010143587A CN 111252603 A CN111252603 A CN 111252603A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/26—Registering, tensioning, smoothing or guiding webs longitudinally by transverse stationary or adjustable bars or rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
- B65H29/24—Delivering or advancing articles from machines; Advancing articles to or into piles by air blast or suction apparatus
- B65H29/241—Suction devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
- B65H35/04—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
- B65H35/06—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators from or with blade, e.g. shear-blade, cutters or perforators
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- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Joining Of Glass To Other Materials (AREA)
Abstract
The invention relates to a die cutting device and a die cutting process for a PVB (polyvinyl butyral) membrane of a glass interlayer material. The invention can solve the problems that the cutting effect is poor, the adjustment is inconvenient, the cutting size of the membrane cannot be rapidly adjusted and the cutting effect of the membrane is reduced when the membrane is cut by the conventional equipment, meanwhile, the membrane is usually cut into a sheet structure and cannot be wound when the membrane is cut by the conventional equipment, so that the cut membrane is inconvenient to collect, and the membrane cannot be effectively protected and fixed during cutting, so that the membrane is easy to displace during cutting, the accuracy of membrane cutting is influenced and the like.
Description
Technical Field
The invention relates to the field of processing of glass interlayer materials, in particular to a die cutting device and a die cutting process for a PVB (polyvinyl butyral) membrane of a glass interlayer material.
Background
The PVB film is a semitransparent film, has good adhesive force to quartz glass, has the characteristics of transparency, heat resistance, cold resistance, high mechanical strength and the like, and is an excellent adhesive material for manufacturing laminated glass. The PVB film can absorb impact energy and reduce the splash of broken pieces, and the safety glass is widely applied to automobiles, buildings, showcases, various bulletproof glasses and the like. The glass has safety performance, excellent sound insulation, heat insulation, safety protection, shock resistance, sun shading and other performances, and is an ideal safe glass processing material in the market.
At present, the existing PVB film has the following defects in the cutting process: 1. when the existing equipment is used for cutting the membrane, the cutting effect is poor, the adjustment is inconvenient, the cutting size of the membrane cannot be rapidly adjusted, and the cutting efficiency of the membrane is reduced; 2. current equipment is cutting the diaphragm when the cutting, is cutting into sheet structure with the diaphragm usually, can not convolute the diaphragm, and it is inconvenient to lead to the diaphragm after the cutting to collect, moreover when the cutting, can not effectually protect the diaphragm fixedly for the diaphragm is easily taken place the displacement when the cutting, influences the accuracy of diaphragm cutting.
Disclosure of Invention
Technical problem to be solved
The invention can solve the problems that the cutting effect is poor, the adjustment is inconvenient, the cutting size of the membrane cannot be rapidly adjusted and the cutting effect of the membrane is reduced when the membrane is cut by the conventional equipment, meanwhile, the membrane is usually cut into a sheet structure and cannot be wound when the membrane is cut by the conventional equipment, so that the cut membrane is inconvenient to collect, and the membrane cannot be effectively protected and fixed during cutting, so that the membrane is easy to displace during cutting, the accuracy of membrane cutting is influenced and the like.
(II) technical scheme
In order to achieve the purpose, the invention adopts the following technical scheme that the die cutting device for the PVB membrane made of the glass interlayer material comprises a fixing frame, feeding devices and a cutting device, wherein the fixing frame is of a U-shaped structure, the feeding devices are uniformly arranged in the fixing frame, the cutting device is arranged between the feeding devices, and the cutting device is arranged in the middle of the inside of the fixing frame.
The cutting device comprises a transverse plate, a driving cylinder, an adjusting mechanism, a cutting knife rest, a lower template and a jacking mechanism, wherein the transverse plate is arranged in the middle of the upper end of a fixing frame, the driving cylinder is symmetrically arranged at the lower end of the transverse plate, the top end of the driving cylinder is connected with the adjusting mechanism through a flange, the cutting knife rest is arranged at the lower end of the adjusting mechanism, the lower template is arranged below the cutting knife rest and is arranged on the jacking mechanism, the jacking mechanism is arranged in the fixing frame, when the cutting device works specifically, the driving cylinder drives the cutting knife rest to move downwards to cut the PVB membrane, the adjusting mechanism can adjust the space between blades on the cutting knife rest, so that the accurate cutting function of the membranes with different sizes can be realized, when the adjusting mechanism moves downwards, the adjusting mechanism drives the lower template to move upwards through the jacking mechanism, meanwhile, the cutting tool rest can be limited.
The jacking mechanism comprises a sliding frame, moving blocks, connecting springs, a shell frame, piston rods and return springs, wherein the sliding frame is symmetrically arranged inside the fixed frame, the moving blocks are connected inside the sliding frame in a sliding fit mode, the connecting springs are arranged at the lower end inside the sliding frame, a lower die plate is arranged between the moving blocks, the shell frame is arranged between the sliding frames, the shell frame is arranged on the fixed frame, the piston rods are arranged inside the shell frame and are of a T-shaped structure, the lower ends of the piston rods are hermetically connected with the inside of the shell frame through piston plates, the return springs are arranged between the lower ends of the piston rods and the shell frame, the upper ends of the piston rods are connected with the moving blocks through steel wire ropes, the middle part of the shell frame is connected with the lower die plate through elastic tubes, the movable block can further drive the lower template to move upwards, meanwhile, the piston rod moves downwards to drive gas inside the shell frame to change, and the shell frame can further adsorb and fix the diaphragm through the vacuum chuck.
As a preferred technical scheme of the invention, the feeding device comprises a fixed roller, a movable roller, a sliding block and a fixed spring, the fixed roller is uniformly arranged in the fixed frame through a bearing, the movable roller is arranged above the fixed roller, the movable roller is arranged on the sliding block through the bearing, the sliding block is connected with a sliding chute in the fixed frame in a sliding fit mode, the fixed spring is arranged at the upper end in the sliding chute, and when the feeding device works specifically, the fixed spring can drive the movable roller to be always attached to the fixed roller, so that the effect of pressing the membrane can be realized, and the phenomenon that the membrane is wrinkled is prevented.
As a preferred technical scheme of the invention, the adjusting mechanism comprises an adjusting frame, a rectangular groove, a driving motor, a screw rod and a pressing plate, the adjusting frame is arranged at the top end of a driving cylinder, the outer side of the adjusting frame is connected with a groove in the middle of a fixed frame in a sliding fit manner, the rectangular groove is arranged in the adjusting frame, the driving motor is arranged at the right end in the rectangular groove through a motor base, the screw rod is connected onto an output shaft of the driving motor through a coupler, the left end of the screw rod is connected with the adjusting frame through a bearing, threaded bases are symmetrically arranged on the screw rod, the lower end of each threaded base is connected with a cutting knife rest, the pressing plate is symmetrically arranged at the lower end of the adjusting frame, the lower end of the pressing plate is tightly attached to the jacking mechanism, when the adjusting mechanism works, the driving motor drives the cutting knife rest to adjust through the screw, and then can play the effect of linkage, reduce external power source, guarantee the accuracy of diaphragm cutting.
As a preferred technical scheme of the invention, the cutting knife rest comprises a transverse knife rest, a longitudinal knife rest and a cutting branched chain, the transverse knife rest is arranged at the lower end of the adjusting frame, the longitudinal knife rest is symmetrically arranged at the upper end of the outer side of the transverse knife rest, the middle part of the longitudinal knife rest is in sliding fit with the transverse knife rest, clamping grooves are formed in the middle parts of the transverse knife rest and the longitudinal knife rest, and the cutting branched chain is arranged in the clamping grooves.
As a preferred technical scheme of the invention, the cutting branch chain comprises a telescopic rod, a telescopic spring and a cutting plate, the telescopic rod is uniformly arranged in the clamping groove, the telescopic spring is arranged on the outer side of the telescopic rod, and the cutting plate is arranged at the lower end of the telescopic rod.
As a preferred technical scheme of the invention, the lower template is of a rectangular structure, the upper end of the lower template is provided with a cutter groove matched with the cutting tool rest, the lower template is uniformly provided with vacuum suckers, and the vacuum suckers are communicated with the jacking mechanism.
As a preferred technical scheme of the invention, the lower end face of the cutting plate is uniformly provided with cutting knives, and the cross sections of the cutting knives are of a diamond structure.
In addition, the invention also provides a die cutting process for the PVB film of the glass sandwich material, which is specifically completed by matching the die cutting device for the PVB film of the glass sandwich material, and comprises the following steps:
the first step is as follows: the PVB film to be cut is manually placed into the feeding device, the end part of the PVB film is connected with the existing winding equipment, the winding equipment drives the PVB film to be wound in an intermittent mode, the moving roller is always attached to the fixed roller, the film can be pressed tightly, and the film is prevented from being wrinkled;
the second step is that: firstly, a driving motor drives a cutting knife rest to adjust through a lead screw, the cutting knife rest can realize the function of cutting diaphragms with different sizes, and then a driving air cylinder drives the cutting knife rest to move downwards through an adjusting mechanism to cut the PVB diaphragm, so that the cut diaphragms are connected in a point-breaking manner;
the third step: when the pressing plate in the adjusting mechanism moves downwards to extrude the piston rod, the piston rod drives the moving block to move upwards through the steel wire rope, the moving block can then drive the lower template to move upwards, meanwhile, the piston rod moves downwards to drive gas inside the shell frame to change, and the shell frame can then adsorb and fix the diaphragm through the vacuum chuck.
(III) advantageous effects
1. The PVB membrane die cutting device for the glass interlayer material, which is provided by the invention, adopts a point-breaking type cutting mode, so that the cut membranes are thrown and adhered together, the rolling and fixing of the membranes are facilitated, and the phenomenon that the cut membranes are inconvenient to collect is avoided;
2. according to the glass interlayer material PVB membrane die cutting device, the adjusting mechanism can effectively adjust the cutting knife rest, so that the cutting knife rest can cut membranes with any size, the cutting effect is good, the efficiency is high, and the membrane processing is facilitated;
3. according to the glass interlayer material PVB membrane die cutting device provided by the invention, the jacking mechanism can effectively protect and fix the membrane, prevent the membrane from easily displacing during cutting, prevent deviation during cutting, ensure the accuracy of membrane cutting, and facilitate the subsequent processing and use of the membrane.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic perspective view of the present invention; (ii) a
FIG. 2 is a schematic cross-sectional view of FIG. 1 in accordance with the present invention;
FIG. 3 is a bottom view of the present invention between the mounting bracket, cross plate, adjustment mechanism and cutting blade holder;
FIG. 4 is a schematic cross-sectional view of the present invention between a transverse blade carrier and a cutting arm;
FIG. 5 is a schematic plan view of the lower template of the present invention;
fig. 6 is a schematic cross-sectional view between the fixing frame and the jacking mechanism.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 6, a glass sandwich material PVB membrane cutting device comprises a fixing frame 1, a feeding device 2 and a cutting device 3, wherein the fixing frame 1 is of a U-shaped structure, the feeding device 2 is uniformly arranged inside the fixing frame 1, the cutting device 3 is arranged between the feeding device 2, and the cutting device 3 is arranged in the middle inside the fixing frame 1.
The cutting device 3 comprises a transverse plate 31, a driving cylinder 32, an adjusting mechanism 33, a cutting knife rest 34, a lower template 35 and a jacking mechanism 36, wherein the transverse plate 31 is arranged in the middle of the upper end of a fixed frame 1, the driving cylinder 32 is symmetrically arranged at the lower end of the transverse plate 31, the top end of the driving cylinder 32 is connected with the adjusting mechanism 33 through a flange, the cutting knife rest 34 is arranged at the lower end of the adjusting mechanism 33, the lower template 35 is arranged below the cutting knife rest 34, the lower template 35 is arranged on the jacking mechanism 36, the jacking mechanism 36 is arranged inside the fixed frame 1, the lower template 35 is of a rectangular structure, the upper end of the lower template 35 is provided with a knife groove matched with the cutting knife rest 34, vacuum suction cups are uniformly arranged on the lower template 35 and communicated with the jacking mechanism 36, during specific work, the driving cylinder 32 drives the cutting knife rest 34 to move downwards to cut PVB membranes, and the adjusting, and then can realize carrying out the function of accurate cutting to the diaphragm of equidimension not, when adjustment mechanism 33 downstream, adjustment mechanism 33 passes through climbing mechanism 36 and drives lower bolster 35 upward movement, and lower bolster 35 can play adsorbs the support to the diaphragm, can carry on spacingly to cutting knife rest 34 simultaneously.
The adjusting mechanism 33 comprises an adjusting frame 331, a rectangular groove 332, a driving motor 333, a screw rod 334 and a pressing plate 335, the adjusting frame 331 is installed at the top end of the driving cylinder 32, the outer side of the adjusting frame 331 is connected with a groove in the middle of the fixing frame 1 in a sliding fit manner, the rectangular groove 332 is arranged inside the adjusting frame 331, the driving motor 333 is installed at the right end inside the rectangular groove 332 through a motor base, the screw rod 334 is connected to an output shaft of the driving motor 333 through a coupler, the left end of the screw rod 334 is connected with the adjusting frame 331 through a bearing, screw bases are symmetrically installed on the screw rod 334, the lower end of the screw base is connected with the cutting knife rest 34, the pressing plate 335 is symmetrically installed at the lower end of the adjusting frame 331, the lower end of the pressing plate 335 is tightly attached to the jacking mechanism 36, during specific work, the driving motor 333 drives the cutting knife rest, the pressing plate 335 can drive the jacking mechanism 36 to move, so that a linkage effect can be achieved, an external power source is reduced, and the accuracy of membrane cutting is guaranteed.
The cutting knife rest 34 comprises a transverse knife rest 341, a longitudinal knife rest 342 and a cutting branched chain 343, the transverse knife rest 341 is installed at the lower end of an adjusting frame 331, the longitudinal knife rest 342 is symmetrically arranged at the upper end of the outer side of the transverse knife rest 341, the middle part of the longitudinal knife rest 342 is in sliding fit with the transverse knife rest 341, clamping grooves are formed in the middle parts of the transverse knife rest 341 and the longitudinal knife rest 342, and the cutting branched chain 343 is installed inside the clamping grooves.
The jacking mechanism 36 comprises a sliding frame 361, a moving block 362, a connecting spring 363, a housing frame 364, a piston rod 365 and a return spring 366, the sliding frame 361 is symmetrically installed inside the fixed frame 1, the moving block 362 is connected inside the sliding frame 361 in a sliding fit manner, the connecting spring 363 is installed at the lower end inside the sliding frame 361, the lower template 35 is installed between the moving blocks 362, the housing frame 364 is arranged between the sliding frames 361, the housing frame 364 is installed on the fixed frame 1, the piston rod 365 is arranged inside the housing frame 364, the piston rod 365 is in a T-shaped structure, the lower end of the piston rod 365 is hermetically connected with the inside of the housing frame 364 through a piston plate, the return spring 366 is arranged between the lower end of the piston rod 365 and the housing frame 364, the upper end of the piston rod 365 is connected with the moving block 362 through, when the driving cylinder 32 extrudes the piston rod 365 through the adjusting mechanism 33, the piston rod 365 drives the moving block 362 to move upwards through the steel wire rope, the moving block 362 can further drive the lower template 35 to move upwards, meanwhile, the piston rod 365 moves downwards to drive the gas inside the shell frame 364 to change, and the shell frame 364 can further adsorb and fix the diaphragm through the vacuum chuck.
In addition, the invention also provides a die cutting process for the PVB film of the glass sandwich material, which is specifically completed by matching the die cutting device for the PVB film of the glass sandwich material, and comprises the following steps:
the first step is as follows: manually placing the whole PVB membrane to be cut into the feeding device 2, connecting the end part of the PVB membrane with the existing winding equipment, driving the PVB membrane to be wound intermittently by the winding equipment, and enabling the moving roller 22 to be always attached to the fixed roller 21, so that the membrane can be pressed tightly, and the phenomenon that the membrane is wrinkled is prevented;
the second step is that: firstly, the cutting knife rest 34 is driven by the driving motor 333 through the screw 334 to adjust, the cutting knife rest 34 can realize the function of cutting diaphragms with different sizes, and then the driving cylinder 32 drives the cutting knife rest 34 to move downwards through the adjusting mechanism 33 to cut the PVB diaphragm, so that the cut diaphragms are connected in a point-break manner;
the third step: when the pressing plate 335 in the adjusting mechanism 33 moves downward to extrude the piston rod 365, the piston rod 365 drives the moving block 362 to move upward through the steel wire rope, the moving block 362 can further drive the lower mold plate 35 to move upward, meanwhile, the piston rod 365 moves downward to drive the gas inside the housing frame 364 to change, and the housing frame 364 can further adsorb and fix the diaphragm through the vacuum chuck.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a glass sandwich material PVB diaphragm cutting device, includes mount (1), material feeding unit (2) and cutting device (3), its characterized in that: mount (1) be U type structure, mount (1) inside evenly installs material feeding unit (2), is provided with cutting device (3) between material feeding unit (2), cutting device (3) are installed in the middle of mount (1) is inside, wherein:
the cutting device (3) comprises a transverse plate (31), a driving cylinder (32), an adjusting mechanism (33), a cutting knife rest (34), a lower template (35) and a jacking mechanism (36), wherein the transverse plate (31) is installed in the middle of the upper end of the fixing frame (1), the driving cylinders (32) are symmetrically installed at the lower end of the transverse plate (31), the top end of each driving cylinder (32) is connected with the adjusting mechanism (33) through a flange, the cutting knife rest (34) is installed at the lower end of the adjusting mechanism (33), the lower template (35) is arranged below the cutting knife rest (34), the lower template (35) is installed on the jacking mechanism (36), and the jacking mechanism (36) is installed inside the fixing frame (1);
the jacking mechanism (36) comprises a sliding frame (361), moving blocks (362), connecting springs (363), a shell frame (364), piston rods (365) and return springs (366), the sliding frame (361) is symmetrically installed inside the fixing frame (1), the moving blocks (362) are connected inside the sliding frame (361) in a sliding fit mode, the connecting springs (363) are installed at the lower end inside the sliding frame (361), lower templates (35) are installed between the moving blocks (362), the shell frame (364) is arranged between the sliding frames (361), the shell frame (364) is installed on the fixing frame (1), the piston rods (365) are arranged inside the shell frame (364), the piston rods (365) are of a T-shaped structure, the lower ends of the piston rods (365) are connected with the inside of the shell frame (364) in a sealing mode through piston plates, the return springs (366) are arranged between the lower ends of the piston rods (365, the upper end of the piston rod (365) is connected with the moving block (362) through a steel wire rope, and the middle part of the shell frame (364) is connected with the lower template (35) through an elastic pipe.
2. The PVB film sheet die-cutting apparatus of claim 1, wherein: material feeding unit (2) including fixed roll (21), remove roller (22), slider (23) and fixed spring (24), mount (1) inside evenly install fixed roll (21) through the bearing, fixed roll (21) top is provided with removes roller (22), removes roller (22) and installs on slider (23) through the bearing, slider (23) are connected with the inside spout of mount (1) through sliding fit's mode, fixed spring (24) are installed to the inside upper end of spout.
3. The PVB film sheet die-cutting apparatus of claim 1, wherein: the adjusting mechanism (33) comprises an adjusting frame (331), a rectangular groove (332), a driving motor (333), a screw rod (334) and a pressing plate (335), adjusting bracket (331) install the top of driving actuating cylinder (32), adjusting bracket (331) outside is connected with the recess at mount (1) middle part through sliding fit's mode, inside rectangular channel (332) that is provided with of adjusting bracket (331), driving motor (333) are installed through the motor cabinet to the inside right-hand member of rectangular channel (332), there is lead screw (334) through the coupling joint on the output shaft of driving motor (333), lead screw (334) left end is connected with adjusting bracket (331) through the bearing, the screw base is installed to the symmetry on lead screw (334), the screw base lower extreme is connected with cutting knife rest (34), clamp plate (335) are installed to adjusting bracket (331) lower extreme symmetry, clamp plate (335) lower extreme and climbing mechanism (36) are hugged closely.
4. The PVB film sheet die-cutting apparatus of claim 1, wherein: the cutting knife rest (34) comprises a transverse knife rest (341), a longitudinal knife rest (342) and a cutting branched chain (343), the transverse knife rest (341) is installed at the lower end of the adjusting frame (331), the longitudinal knife rest (342) is symmetrically arranged at the upper end of the outer side of the transverse knife rest (341), the middle of the longitudinal knife rest (342) is in sliding fit with the transverse knife rest (341), clamping grooves are formed in the middle of the transverse knife rest (341) and the longitudinal knife rest (342), and the cutting branched chain (343) is installed inside the clamping grooves.
5. The PVB film sheet die-cutting apparatus of claim 4, wherein: cutting branch chain (343) include telescopic link (344), expanding spring (345) and cutting board (346), draw-in groove inside evenly install telescopic link (344), telescopic link (344) outside is provided with expanding spring (345), cutting board (346) are installed to telescopic link (344) lower extreme.
6. The PVB film sheet die-cutting apparatus of claim 1, wherein: the lower template (35) is of a rectangular structure, a cutter groove matched with the cutting tool rest (34) is formed in the upper end of the lower template (35), vacuum suckers are uniformly arranged on the lower template (35), and the vacuum suckers are communicated with the jacking mechanism (36).
7. The PVB film sheet die-cutting apparatus of claim 5, wherein: the lower end face of the cutting plate (346) is uniformly provided with cutting knives, and the cross sections of the cutting knives are of diamond structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010143587.7A CN111252603B (en) | 2020-03-04 | 2020-03-04 | Glass interlayer material PVB (polyvinyl butyral) membrane die cutting device and die cutting process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010143587.7A CN111252603B (en) | 2020-03-04 | 2020-03-04 | Glass interlayer material PVB (polyvinyl butyral) membrane die cutting device and die cutting process |
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| Publication Number | Publication Date |
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| CN111252603A true CN111252603A (en) | 2020-06-09 |
| CN111252603B CN111252603B (en) | 2021-05-25 |
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| CN202010143587.7A Active CN111252603B (en) | 2020-03-04 | 2020-03-04 | Glass interlayer material PVB (polyvinyl butyral) membrane die cutting device and die cutting process |
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| CN113334671A (en) * | 2021-05-19 | 2021-09-03 | 烟台吉兴汽车部件有限公司 | Automatic fabric laying mechanism on automobile rear shelf production line |
| CN114055853A (en) * | 2021-11-05 | 2022-02-18 | 昆明频安印务有限公司 | Windowing production equipment and production method of windowing envelope |
| CN114516526A (en) * | 2022-03-22 | 2022-05-20 | 湖北谷拓光电科技有限公司 | Laminated glass preliminary pressing production line |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113334671A (en) * | 2021-05-19 | 2021-09-03 | 烟台吉兴汽车部件有限公司 | Automatic fabric laying mechanism on automobile rear shelf production line |
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| CN114055853B (en) * | 2021-11-05 | 2023-11-28 | 昆明频安印务有限公司 | Windowing production equipment and method for windowing envelope |
| CN114516526A (en) * | 2022-03-22 | 2022-05-20 | 湖北谷拓光电科技有限公司 | Laminated glass preliminary pressing production line |
| CN114516526B (en) * | 2022-03-22 | 2024-06-07 | 湖北谷拓光电科技有限公司 | Laminated glass initial pressure production line |
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