CN103722863B - PVC floor laminating apparatus - Google Patents
PVC floor laminating apparatus Download PDFInfo
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- CN103722863B CN103722863B CN201410006885.6A CN201410006885A CN103722863B CN 103722863 B CN103722863 B CN 103722863B CN 201410006885 A CN201410006885 A CN 201410006885A CN 103722863 B CN103722863 B CN 103722863B
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Abstract
The present invention relates to a kind of PVC floor laminating apparatus, comprise high speed make-up machine, the feed end of high speed make-up machine is provided with plane materiel material loading glue spreading apparatus and base material material loading glue spreading apparatus, and its discharge end is furnished with belt conveyor line and pressurization pressure-maintaining machine; Plane materiel material loading glue spreading apparatus and base material material loading glue spreading apparatus comprise feeder, glue spreader and conveyer respectively; High speed make-up machine comprises the plane materiel laminating roller that is arranged in parallel and base material is fitted roller; Plane materiel laminating roller and base material roller of fitting is rotatably installed in fit roller travel mechanism and base material of plane materiel respectively and fits in roller travel mechanism; The outside of plane materiel laminating roller is furnished with plane materiel conveying roll and plane materiel feed mechanism respectively; The outside of base material conveying roll is furnished with base material conveying roll and base material feed mechanism.The present invention adopts the high speed make-up machine being provided with two rotatable laminating rollers positioned opposite to complete the laminating of product, and material loading and blanking can be carried out simultaneously, improve the production efficiency of laminating.
Description
Technical field
The present invention relates to PVC floor production equipment, specifically a kind of PVC floor laminating apparatus.
Background technology
The conventional production process of PVC floor is as follows: base material and plane materiel bi-material through feed system forward monolithic carry; Base material through gluing portion, through glue spreader quantitative glue in the roller coating of base material one side; Plane materiel is cementing not, is directly fed forward to position and waits for; After the base material coating glue puts in place, vacuum system absorption plane materiel moves laterally to and reaches above base material, presses down, completes the laminating of plane materiel and base material; The product posted is fed forward, and through roll extrusion portion, completes product pressurization; Output of products after having pressurizeed.
The major defect of this production technology has: 1, the laminating of plane materiel and base material adopts vacuum system, and production efficiency is low, and Anawgy accuracy is poor; 2, because base material adopts single spreading, plane materiel is cementing not, certainly will will strengthen the spread of base material like this, after spread strengthens, just there will be the possibility that glue overflows from base material, thus can affect the quality of product; 3, roll extrusion portion adopts pressurization roller to pressurize to the product posted, and likely leave impression at product surface, and product may occur phenomenons such as bending, thus affect the presentation quality of product.
Summary of the invention
The present invention is directed to the problems referred to above, a kind of high efficiency PVC floor laminating apparatus is provided.
According to technical scheme of the present invention: a kind of PVC floor laminating apparatus, comprise high speed make-up machine, the feed end of described high speed make-up machine is provided with the plane materiel material loading glue spreading apparatus and base material material loading glue spreading apparatus that are arranged in parallel, and the discharge end of described high speed make-up machine is furnished with belt conveyor line and pressurization pressure-maintaining machine successively; Described plane materiel material loading glue spreading apparatus comprises the plane materiel feeder, plane materiel glue spreader and the plane materiel conveyer that are arranged in order; Described base material material loading glue spreading apparatus comprises the base material feeder, base material glue spreader and the substrate conveyor that are arranged in order; Described high speed make-up machine comprises the plane materiel laminating roller that is arranged in parallel and base material is fitted roller; Described plane materiel laminating roller is rotatably installed in plane materiel laminating roller travel mechanism, the outside of described plane materiel laminating roller is furnished with plane materiel conveying roll and plane materiel feed mechanism, and the plane materiel on described plane materiel conveying roll is shifted onto on described plane materiel laminating roller by described plane materiel feed mechanism; Described base material laminating roller is rotatably installed in base material laminating roller travel mechanism, the outside of described base material conveying roll is furnished with base material conveying roll and base material feed mechanism, and the base material on described base material conveying roll is shifted onto on described base material laminating roller by described base material feed mechanism; Described plane materiel laminating roller and described base material fit roller respectively described plane materiel fit roller travel mechanism and described base material fit roller travel mechanism drive under do relatively to divide resultant motion.
Described plane materiel feeder and described base material feeder are symmetrical arranged, comprise workbench respectively, described workbench is fixed with along two pieces of feedstock direction setting parallel deflector aprons, be furnished with pusher between two pieces of described deflector aprons, the discharge end of two pieces of described deflector aprons is furnished with binder cylinder.
Described plane materiel laminating roller and described base material roller of fitting is symmetrical arranged, comprise the tubular roller body that cross section is regular polygon respectively, each side of described roller body is furnished with product orientation pin and clamping product chuck, the two ends of described roller body are fixed with roller shaft respectively, and wherein a described roller shaft is connected with electric rotating machine; Described electric rotating machine adopts servomotor.
The cross section of described roller body is square.
Described plane materiel feed mechanism and described base material feed mechanism are symmetrical arranged, comprise charging ram respectively, described charging ram is furnished with multiple pushing head perpendicular to described charging ram, described charging ram is arranged on slide plate, described slide plate slides is engaged on linear guide poles, and described slide plate is provided with the stepper motor driving described slide plate slides.
Be provided with elevating mechanism between described charging ram and described slide plate, described elevating mechanism comprises cylinder and is distributed in the extension sleeve of described cylinder both sides.
Described plane materiel laminating roller travel mechanism and the described base material roller travel mechanism that fits is symmetrical arranged, and comprises ball wire bar pair respectively and drives the laminating motor of described ball wire bar pair action; Described laminating motor adopts servomotor.
Described pressurization pressure-maintaining machine comprises frame, and described frame is provided with platen, is provided with hold-down devices above described platen; Described hold-down devices has two covers, is arranged in juxtaposition in described frame; Often overlap described hold-down devices and comprise the air cylinder support be fixed in described frame, described air cylinder support is fixed with the pressurized cylinder that piston rod stretches out downwards, the piston rod of described pressurized cylinder is fixed with the pressing plate paralleled with described platen.
Described pressing plate is fixed with guide pillar, and described guide pillar is slidably fitted on described air cylinder support; Described guide pillar has four, is distributed on four angles of described pressing plate.
Described pressurized cylinder has three, and be a main pressurized cylinder and two auxiliary pressurized cylinders respectively, described main pressurized cylinder is positioned at the centre of described air cylinder support, and described two auxiliary pressurized cylinders are symmetrically arranged in the both sides of described main pressurized cylinder.
Technique effect of the present invention is: the present invention adopts the high speed make-up machine being provided with two rotatable laminating rollers positioned opposite to complete the laminating of product, material loading and blanking can be carried out simultaneously, substantially reduce the time of production, improve the production efficiency of laminating, adopt servo-drive and locating clip clamping system, ensure that the Anawgy accuracy of base material and plane materiel; Adopt plane materiel glue spreader and base material glue spreader facestock and base material gluing simultaneously, can spread be reduced, increase the fastness of laminating, ensure the quality of product; Use pressing plate pressurizes, and adopts plane contact, can ensure that product surface does not have impression and occurs, and there will not be buckling phenomenon, thus ensure the presentation quality of product well.
Accompanying drawing explanation
Fig. 1 is structure schematic top plan view of the present invention.
Fig. 2 is the structural representation of the feeder in the present invention.
Fig. 3 is the top view of Fig. 2.
Fig. 4 is the structure schematic top plan view of the high speed make-up machine in the present invention.
Fig. 5 is the structural representation of the feed mechanism in Fig. 4.
Fig. 6 is the top view of Fig. 5.
Fig. 7 is the structural representation of the laminating roller travel mechanism in Fig. 4.
Fig. 8 is the structural representation of the laminating roller in Fig. 4.
Fig. 9 is the structural representation of the pressurization pressure-maintaining machine in the present invention.
Figure 10 is the top view of Fig. 9.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is further described.
In Fig. 1 ~ Figure 10, comprise plane materiel feeder 100, plane materiel glue spreader 200, plane materiel conveyer 300, high speed make-up machine 400, belt conveyor line 500, pressurization pressure-maintaining machine 600, substrate conveyor 700, base material glue spreader 800, base material feeder 900, plane materiel feed mechanism 1, plane materiel conveying roll 2, plane materiel laminating roller 3, base material laminating roller 4, base material conveying roll 5, base material feed mechanism 6, base material laminating roller electric rotating machine 7, base material laminating roller travel mechanism 8, plane materiel laminating roller electric rotating machine 9, plane materiel laminating roller travel mechanism 10, pushing head 11, charging ram 12, linear guide poles 13, stepper motor 14, cylinder 15, slide plate 16, extension sleeve 17, ball wire bar pair 18, laminating motor 19, roller bearing 20, roller shaft 21, roller body 22, product orientation pin 23, clamping product chuck 24, product 25, binder cylinder 26, deflector apron 27, pusher 28, workbench 29, pusher cylinder 30, frame 31, platen 32, pressing plate 33, air cylinder support 34, guide pillar 35, auxiliary pressurized cylinder 36, main pressurized cylinder 37 etc.
As shown in Figure 1, the present invention is a kind of PVC floor laminating apparatus, comprise high speed make-up machine 400, the feed end of high speed make-up machine 400 is provided with the plane materiel material loading glue spreading apparatus and base material material loading glue spreading apparatus that are arranged in parallel, and the discharge end of high speed make-up machine 400 is furnished with belt conveyor line 500 and pressurization pressure-maintaining machine 600 successively; Plane materiel material loading glue spreading apparatus comprises the plane materiel feeder 100, plane materiel glue spreader 200 and the plane materiel conveyer 300 that are arranged in order; Base material material loading glue spreading apparatus comprises the base material feeder 900, base material glue spreader 800 and the substrate conveyor 700 that are arranged in order;
Plane materiel feeder 100 and base material feeder 900 are symmetrical arranged.As shown in Figure 2 and Figure 3, plane materiel feeder 100 and base material feeder 900 comprise workbench 29 respectively, workbench 29 is fixed with between two pieces of parallel deflector apron 27, two pieces of deflector aprons 27 arranging along feedstock direction and is furnished with pusher 28, pusher 28 comprises pusher cylinder 30.The discharge end of two pieces of deflector aprons 27 is furnished with binder cylinder 26.
As shown in Figure 4, high speed make-up machine 400 comprises the plane materiel laminating roller 3 that is arranged in parallel and base material and to fit roller 4.
Plane materiel laminating roller 3 is rotatably installed in plane materiel laminating roller travel mechanism 10 by roller bearing 20, the outside of plane materiel laminating roller 3 is furnished with plane materiel conveying roll 2 and plane materiel feed mechanism 1, and the plane materiel on plane materiel conveying roll 2 is shifted onto on plane materiel laminating roller 3 by plane materiel feed mechanism 1.
Base material laminating roller 4 is rotatably installed in base material laminating roller travel mechanism 8 by roller bearing 20, the outside of base material conveying roll 5 is furnished with base material conveying roll 5 and base material feed mechanism 6, and the base material on base material conveying roll 5 is shifted onto on base material laminating roller 4 by base material feed mechanism 6.
Plane materiel laminating roller 3 and base material fit roller 4 respectively plane materiel fit roller travel mechanism 10 and base material fit roller travel mechanism 8 drive under do relatively to divide resultant motion.
As shown in Figure 4, plane materiel laminating roller 3 and base material roller 4 of fitting is symmetrical arranged.As shown in Figure 8, plane materiel laminating roller 3 and base material roller 4 of fitting comprises the tubular roller body 22 that cross section is regular polygon respectively, and the cross section of roller body 22 is generally square.Each side of roller body 22 is furnished with product orientation pin 23 and clamping product chuck 24, product orientation pin 23 and clamping product chuck 24 are used for positioning and clamping product 25.The two ends of roller body 22 are fixed with roller shaft 21 respectively, and wherein a roller shaft 21 is connected with electric rotating machine, and electric rotating machine preferably adopts servomotor.Plane materiel laminating roller 3 is by plane materiel laminating roller electric rotating machine 9 driven rotary, and base material laminating roller 4 is by base material laminating roller electric rotating machine 7 driven rotary.
As shown in Figure 4, plane materiel feed mechanism 1 and base material feed mechanism 6 are symmetrical arranged.As shown in Figure 5, Figure 6, plane materiel feed mechanism 1 and base material feed mechanism 6 comprise charging ram 12 respectively, charging ram 12 is furnished with multiple pushing head 11 perpendicular to charging ram 12, charging ram 12 is arranged on slide plate 16, slide plate 16 is slidably fitted on linear guide poles 13, and slide plate 16 is provided with the stepper motor 14 driving slide plate 16 to slide.
Can also be provided with elevating mechanism between charging ram 12 and slide plate 16, elevating mechanism is for adjusting the height of pushing head 11 to adapt to the product of different-thickness.Elevating mechanism comprises cylinder 15 and is distributed in the extension sleeve 17 of cylinder 15 both sides.
As shown in Figure 4, plane materiel laminating roller travel mechanism 10 and the base material roller travel mechanism 8 that fits is symmetrical arranged.As shown in Figure 7, plane materiel laminating roller travel mechanism 10 and the base material roller travel mechanism 8 that fits comprises ball wire bar pair 18 respectively and drives the laminating motor 19 of ball wire bar pair 18 action.Laminating motor 19 preferably adopts servomotor.
As shown in Figure 9, Figure 10, pressurization pressure-maintaining machine 600 comprises frame 31, frame 31 is provided with platen 32, is provided with hold-down devices above platen 32; Hold-down devices is provided with two covers, is arranged in juxtaposition in frame 31.
Often overlap hold-down devices and comprise the air cylinder support 34 be fixed in frame 31, air cylinder support 34 is fixed with the pressurized cylinder that piston rod stretches out downwards, the piston rod of pressurized cylinder is fixed with the pressing plate 33 paralleled with platen 32.
Pressing plate 33 is also fixed with guide pillar 35, and guide pillar 35 has four, is distributed on four angles of pressing plate 33.Guide pillar 35 is slidably fitted on air cylinder support 34.Guide pillar 35 pairs of pressing plates 33 play the guiding role.
Pressurized cylinder has three, is a main pressurized cylinder 37 and two auxiliary pressurized cylinders 36 respectively.Main pressurized cylinder 37 is positioned at the centre of air cylinder support 34, and two auxiliary pressurized cylinders 36 are symmetrically arranged in the both sides of main pressurized cylinder 37.
The course of work of the present invention is as follows: manually ready plane materiel and base material are put into plane materiel feeder 100 respectively with base material feeder 900, completed the monolithic feeding of plane materiel and base material by them; Plane materiel and base material are respectively through plane materiel glue spreader 200 and base material glue spreader 800 gluing; Plane materiel after gluing and base material are delivered to high speed make-up machine 400 by plane materiel conveyer 300 and substrate conveyor 700 respectively; Plane materiel after gluing and base material enter plane materiel conveying roll 2 and the base material conveying roll 5 of high speed make-up machine 400 respectively, send into station to be fit by conveying roll; By plane materiel feed mechanism 1 and base material feed mechanism 6, product to be fit being delivered to fit roller 3 and base material of plane materiel respectively fits on roller 4, locates, clamped by clamping product chuck 24 by product orientation pin 23; So latter two laminating roller is respectively by electric rotating machine driven rotary 90 °, makes the plane materiel of first-class glue and base material forming surface to surface state; Made together with two laminating rollers overlay, plane materiel and base material to be fitted mutually by plane materiel roller travel mechanism 10 and the base material roller travel mechanism 8 that fits that fits again; After product posts, two laminating rollers are opened, two feed mechanism material loadings, then distinguish half-twist, expect belt conveyor line 500 under the product simultaneously posted; Product is delivered to pressurization pressure-maintaining machine 600 by belt conveyor line 500, pressurized cylinder action, band dynamic pressure plate 33 moves downwards along guide pillar 35, pressurizes to the product be placed on platen 32, and pressurize certain hour, make the glue between the plane materiel in product and base material contact solidification well.
The present invention adopts the high speed make-up machine 400 being provided with two rotatable laminating rollers positioned opposite to complete the laminating of product, two laminating rollers are driven relatively to divide resultant motion by roller travel mechanism, material loading and blanking can be carried out simultaneously, substantially reduce the time of production, improve the production efficiency of laminating; Product is fixed by alignment pin and clamping collet, and positioning precision is high; The rotation of laminating roller drives by servomotor with mobile, accurately can locate, complete high efficiency, high-precision laminating process; The present invention adopts plane materiel glue spreader 200 and base material glue spreader 800 facestock and base material gluing simultaneously, can reduce spread, increase the fastness of laminating, does not have glue simultaneously and overflows, can not affect the quality of product; The present invention uses pressing plate 33 to pressurize, and adopts plane contact, can ensure that product surface does not have impression and occurs, and there will not be buckling phenomenon, thus ensure the presentation quality of product well; The present invention utilizes the redundancy of two pressure-maintaining machines 600 that pressurize, and both ensure that press pressing time, and has met again the requirement that front road overlays speed.
Claims (10)
1. a PVC floor laminating apparatus, it is characterized in that: comprise high speed make-up machine (400), the feed end of described high speed make-up machine (400) is provided with the plane materiel material loading glue spreading apparatus and base material material loading glue spreading apparatus that are arranged in parallel, and the discharge end of described high speed make-up machine (400) is furnished with belt conveyor line (500) and pressurization pressure-maintaining machine (600) successively; Described plane materiel material loading glue spreading apparatus comprises the plane materiel feeder (100), plane materiel glue spreader (200) and the plane materiel conveyer (300) that are arranged in order; Described base material material loading glue spreading apparatus comprises the base material feeder (900), base material glue spreader (800) and the substrate conveyor (700) that are arranged in order; Described high speed make-up machine (400) comprises plane materiel laminating roller (3) be arranged in parallel and to fit roller (4) with base material; Described plane materiel laminating roller (3) is rotatably installed on plane materiel laminating roller travel mechanism (10), the outside of described plane materiel laminating roller (3) is furnished with plane materiel conveying roll (2) and plane materiel feed mechanism (1), and the plane materiel on described plane materiel conveying roll (2) is shifted onto on described plane materiel laminating roller (3) by described plane materiel feed mechanism (1); Described base material laminating roller (4) is rotatably installed on base material laminating roller travel mechanism (8), the outside of described base material conveying roll (5) is furnished with base material conveying roll (5) and base material feed mechanism (6), and the base material on described base material conveying roll (5) is shifted onto on described base material laminating roller (4) by described base material feed mechanism (6); Described plane materiel laminating roller (3) and described base material fit roller (4) respectively described plane materiel fit roller travel mechanism (10) and described base material fit roller travel mechanism (8) drive under do relatively to divide resultant motion.
2. according to PVC floor laminating apparatus according to claim 1, it is characterized in that: described plane materiel feeder (100) and described base material feeder (900) are symmetrical arranged, comprise workbench (29) respectively, described workbench (29) is fixed with along two pieces of feedstock direction setting parallel deflector aprons (27), be furnished with pusher (28) between two pieces of described deflector aprons (27), the discharge end of two pieces of described deflector aprons (27) is furnished with binder cylinder (26).
3. according to PVC floor laminating apparatus according to claim 1, it is characterized in that: described plane materiel laminating roller (3) and described base material roller (4) of fitting is symmetrical arranged, comprise the tubular roller body (22) that cross section is regular polygon respectively, each side of described roller body (22) is furnished with product orientation pin (23) and clamping product chuck (24), the two ends of described roller body (22) are fixed with roller shaft (21) respectively, and wherein a described roller shaft (21) is connected with electric rotating machine; Described electric rotating machine adopts servomotor.
4. according to PVC floor laminating apparatus according to claim 3, it is characterized in that: the cross section of described roller body (22) is square.
5. according to PVC floor laminating apparatus according to claim 1, it is characterized in that: described plane materiel feed mechanism (1) and described base material feed mechanism (6) are symmetrical arranged, comprise charging ram (12) respectively, described charging ram (12) is furnished with multiple pushing head perpendicular to described charging ram (12) (11), described charging ram (12) is arranged on slide plate (16), described slide plate (16) is slidably fitted on linear guide poles (13), and described slide plate (16) is provided with the stepper motor (14) driving described slide plate (16) to slide.
6. according to PVC floor laminating apparatus according to claim 5, it is characterized in that: be provided with elevating mechanism between described charging ram (12) and described slide plate (16), described elevating mechanism comprises cylinder (15) and is distributed in the extension sleeve (17) of described cylinder (15) both sides.
7. according to PVC floor laminating apparatus according to claim 1, it is characterized in that: described plane materiel laminating roller travel mechanism (10) and the described base material roller travel mechanism (8) that fits is symmetrical arranged, comprise ball wire bar pair (18) respectively and drive the laminating motor (19) of described ball wire bar pair (18) action; Described laminating motor (19) adopts servomotor.
8. according to PVC floor laminating apparatus according to claim 1, it is characterized in that: described pressurization pressure-maintaining machine (600) comprises frame (31), described frame (31) is provided with platen (32), described platen (32) top is provided with hold-down devices; Described hold-down devices has two covers, is arranged in juxtaposition in described frame (31); Often overlap described hold-down devices and comprise the air cylinder support (34) be fixed in described frame (31), described air cylinder support (34) is fixed with the pressurized cylinder that piston rod stretches out downwards, the piston rod of described pressurized cylinder is fixed with the pressing plate (33) paralleled with described platen (32).
9. according to PVC floor laminating apparatus according to claim 8, it is characterized in that: described pressing plate (33) is fixed with guide pillar (35), described guide pillar (35) is slidably fitted on described air cylinder support (34); Described guide pillar (35) has four, is distributed on four angles of described pressing plate (33).
10. according to PVC floor laminating apparatus according to claim 8, it is characterized in that: described pressurized cylinder has three, a main pressurized cylinder (37) and two auxiliary pressurized cylinders (36) respectively, described main pressurized cylinder (37) is positioned at the centre of described air cylinder support (34), and described two auxiliary pressurized cylinders (36) are symmetrically arranged in the both sides of described main pressurized cylinder (37).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410006885.6A CN103722863B (en) | 2014-01-07 | 2014-01-07 | PVC floor laminating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410006885.6A CN103722863B (en) | 2014-01-07 | 2014-01-07 | PVC floor laminating apparatus |
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| Publication Number | Publication Date |
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| CN103722863A CN103722863A (en) | 2014-04-16 |
| CN103722863B true CN103722863B (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410006885.6A Active CN103722863B (en) | 2014-01-07 | 2014-01-07 | PVC floor laminating apparatus |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108608716A (en) * | 2018-03-19 | 2018-10-02 | 黄立卓 | A kind of plastic floor turns over conjunction mounting device |
| CN109454741B (en) * | 2018-12-31 | 2023-10-03 | 山西万锐液压机械有限公司 | Wooden door veneering production line and wooden door veneering method |
| CN110253742B (en) * | 2019-06-11 | 2020-11-20 | 广东友力智能科技有限公司 | Integration wallboard automation line |
| CN112267632B (en) * | 2020-10-15 | 2021-09-10 | 四川海聚环保科技有限责任公司 | Building outer wall insulation decorative board preparation system of processing |
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| US6453963B1 (en) * | 1999-07-29 | 2002-09-24 | Hitachi Techno Engineering Co., Ltd. | Vacuum film laminating apparatus |
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| CN203358004U (en) * | 2013-05-15 | 2013-12-25 | 深圳市广南电子有限公司 | Laminating machine |
| CN203666082U (en) * | 2014-01-07 | 2014-06-25 | 无锡沃格软件有限公司 | PVC (polyvinyl chloride) floor laminating machine |
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- 2014-01-07 CN CN201410006885.6A patent/CN103722863B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6453963B1 (en) * | 1999-07-29 | 2002-09-24 | Hitachi Techno Engineering Co., Ltd. | Vacuum film laminating apparatus |
| CN201136328Y (en) * | 2007-10-31 | 2008-10-22 | 寇国模 | Machine for affixing surface layer of composite floor |
| CN202071473U (en) * | 2011-06-03 | 2011-12-14 | 常州丽宝第帝彩新材料有限公司 | Laminating machine of PVC (polyvinyl chloride) coil floors |
| CN102632021A (en) * | 2012-05-02 | 2012-08-15 | 新乡市鼎鑫机械有限公司 | Automatic fabric placing and laminating device of artificial leather and PVC (polyvinyl chloride) floor |
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| CN103722863A (en) | 2014-04-16 |
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