CN112192928A - Anti-foaming device for preparing antibacterial wall cloth - Google Patents
Anti-foaming device for preparing antibacterial wall cloth Download PDFInfo
- Publication number
- CN112192928A CN112192928A CN202010840995.8A CN202010840995A CN112192928A CN 112192928 A CN112192928 A CN 112192928A CN 202010840995 A CN202010840995 A CN 202010840995A CN 112192928 A CN112192928 A CN 112192928A
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- Prior art keywords
- heat conduction
- groove body
- pressing plate
- wall cloth
- roller
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/0007—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding involving treatment or provisions in order to avoid deformation or air inclusion, e.g. to improve surface quality
- B32B37/003—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding involving treatment or provisions in order to avoid deformation or air inclusion, e.g. to improve surface quality to avoid air inclusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
- B32B37/1054—Regulating the dimensions of the laminate, e.g. by adjusting the nip or platen gap
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- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Building Environments (AREA)
Abstract
The invention discloses an anti-foaming device for preparing antibacterial wall cloth, which comprises an upper heat conduction pressing plate and a lower heat conduction pressing plate which are arranged in parallel at intervals from top to bottom, wherein the upper heat conduction pressing plate and the lower heat conduction pressing plate are integrally assembled and arranged on the end surface of the bottom opening of an upper groove body and the end surface of the top opening of a lower groove body respectively, U-shaped circulating heat conduction pipes are arranged in the inner cavities of the upper groove body and the lower groove body respectively, the lower groove body is assembled and connected with an operating platform through a plurality of uniformly distributed buffering supporting mechanisms, upper convex sleeves are symmetrically arranged on two sides of the top wall of the upper groove body, the tail ends of telescopic rods of hydraulic cylinders are fixedly connected in the upper convex sleeves which are symmetrical from two sides respectively, the hydraulic cylinders are fixedly arranged on a top beam plate, and the top beam plate is supported and connected with the. By adopting the technical scheme, the laminating machine is simple in structure, convenient to assemble and install and convenient to compound and press the forming, and avoids the foaming phenomenon caused by uneven extrusion of the laminated adhesive.
Description
Technical Field
The invention relates to the technical field of preparation of antibacterial wall cloth, in particular to an anti-foaming device for preparing antibacterial wall cloth.
Background
The wall cloth is also called wall cloth. And (3) pasting the fabric of the wall surface. The cotton cloth is used as a base fabric, and the base fabric is applied with printing or embossing embossments, and is also woven by jacquard. The patterns are mostly geometric figures and flower patterns. As the name suggests, the wall cloth is a special paper and cloth which are pasted on the wall surface for decoration, and is a commonly used decoration material for the inner wall and the wall surface of a building, the existing wall cloth can not meet the requirements of people on the performance, in the preparation process of the antibacterial wall cloth, the water-proof bottom base layer film and the antibacterial surface layer film are pressed and compositely processed, but the composite processed wall cloth is easy to generate the problem of foaming or wrinkling, so that the phenomenon of uneven appearance of the antibacterial wall cloth is caused, the loss of the wall cloth is wasted, and the economic loss is caused. Therefore, the anti-foaming device for preparing the antibacterial wall cloth is designed.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention discloses an anti-foaming device for preparing antibacterial wall cloth.
The invention discloses an anti-foaming device for preparing antibacterial wall cloth, which comprises an upper heat conduction pressing plate and a lower heat conduction pressing plate which are arranged in parallel at intervals from top to bottom, wherein the upper heat conduction pressing plate and the lower heat conduction pressing plate are integrally assembled and arranged on the end surface of the bottom opening of an upper groove body and the end surface of the top opening of a lower groove body respectively, U-shaped circulating heat conduction pipes are arranged in the inner cavities of the upper groove body and the lower groove body respectively, the lower groove body is assembled and connected with an operating platform through a plurality of uniformly distributed buffering supporting mechanisms, upper convex sleeves are symmetrically arranged on two sides of the top wall of the upper groove body, the tail ends of telescopic rods of hydraulic cylinders are fixedly connected in the upper convex sleeves symmetrically arranged on two sides respectively, the hydraulic cylinders are fixedly arranged on a top beam plate, the top beam plate is supported and connected with the operating platform through positioning screw rods inserted and arranged at four corners, upper heat conduction rollers and lower heat conduction rollers are arranged on the right sides, And the left sides of the upper heat-conducting pressing plate and the lower heat-conducting pressing plate are provided with an upper pressing roller and a lower pressing roller at intervals in parallel.
Preferably, the roll shaft ends at two sides of the upper heat-conducting roller, the lower heat-conducting roller, the upper press roller and the lower press roller are respectively provided with an L-shaped support plate in a rotating fit mode.
Preferably, the L-shaped support plate is slidably sleeved on the positioning screw rod, and the slidably mounted position of the L-shaped support plate is locked and connected with the positioning screw rod through a nut I which is tightly clamped on the upper side and the lower side.
Preferably, the two ends of the U-shaped circulation heat conduction pipe are respectively provided with an input joint end and an output joint end in an integrated structure.
Preferably, the buffering support mechanism is assembled by a positioning cylinder, a guide pillar, a spring and a lower convex sleeve.
Preferably, the positioning cylinder and the lower convex sleeve are respectively and uniformly arranged on the operating platform and the lower concave groove body, the bottom of the guide pillar is arranged at the top of the inner cavity of the positioning cylinder in a sliding mode, and the top end of the guide pillar is fixedly inserted into the lower convex sleeve.
Preferably, a spring is assembled and installed at the bottom of the inner cavity of the positioning cylinder, and the spring is in supporting connection with the bottom end face of the guide pillar in a propping manner.
Preferably, the support mounting position of the top beam plate is locked and connected with the positioning screw rod through nuts II which are clamped at the upper side and the lower side.
The beneficial effects are that:
1. the upper heat-conducting roller and the lower heat-conducting roller which are arranged in parallel at intervals on the right side are used for respectively preparing and inputting the waterproof base layer film and the antibacterial surface layer film, so that the preheating and conveying effects on the laminating adhesive are achieved, and the composite pressing operation is facilitated.
2. Through last heat conduction clamp plate and lower heat conduction clamp plate be close to extrusion water-proof bed film, fungi-proofing surface course membrane mutually, go up heat conduction clamp plate and heat conduction clamp plate down and pass through the heating of U-shaped circulation heat pipe even for the tectorial membrane suppression is even, is convenient for make waterproof subbase, fungi-proofing surface course between the tectorial membrane glue the heat conduction be in the mobile state, and the compound press forming of being convenient for avoids gluing the foaming phenomenon of inhomogeneous causing because of the tectorial membrane.
3. In addition, in the composite pressing process, the upper heat-conducting pressing plate and the lower heat-conducting pressing plate are extruded to move downwards to buffer the allowance, so that the phenomenon that the corrugated plate is not easy to repair due to the fact that rigid contact pressing is unsuccessful is avoided.
4. Go up between heat conduction roller and the lower heat conduction roller and go up between compression roller and the lower compression roller parallel interval about mutually and be convenient for adjust the application, only need through L shape mounting plate on the positioning screw rod slidable mounting position adjust can, be applicable to different thickness specification laminating layers and suppress the use, the range of application is wide.
Drawings
FIG. 1 is a schematic structural diagram of an anti-foaming device for preparing antibacterial wall cloth according to the present invention;
FIG. 2 is an assembled bottom view of the upper groove body of the anti-foaming device for preparing the antibacterial wall cloth of the present invention;
FIG. 3 is a schematic side view of the upper and lower heat-conducting rollers of the anti-foaming device for preparing antibacterial wall cloth according to the present invention;
fig. 4 is a schematic cross-sectional view of a buffering and supporting mechanism of the anti-foaming device for preparing the antibacterial wall cloth.
Wherein: 1-upper heat conducting pressure plate; 2-lower heat-conducting pressure plate; 3-upper groove body; 4-a lower concave groove body; 5-U-shaped circulation heat conduction pipe; 6-input connector end; 7-output connector end; 8-an operation table; 9-upward convex sleeve; 10-a hydraulic cylinder; 11-a roof beam panel; 12-positioning screw rod; 13-upper heat conducting roller; 14-a lower heat-conducting roll; 15-upper press roll; 16-a lower press roll; 17-L-shaped bracket plates; 18-nut one; 19-positioning the cylinder; 20-guide column; 21-a spring; 22-lower convex sleeve; 23-nut two.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-4, the invention discloses an anti-foaming device for preparing antibacterial wall cloth, which comprises an upper heat-conducting pressing plate 1 and a lower heat-conducting pressing plate 2 which are arranged in parallel at intervals from top to bottom, wherein the upper heat-conducting pressing plate 1 and the lower heat-conducting pressing plate 2 are respectively integrally assembled and arranged on the end surface of the bottom opening of an upper groove body 3 and the end surface of the top opening of a lower groove body 4, the inner cavities of the upper groove body 3 and the lower groove body 4 are respectively provided with a U-shaped circulating heat-conducting pipe 5, the two ends of the U-shaped circulating heat-conducting pipe 5 are respectively integrally provided with an input joint end 6 and an output joint end 7, so that the input joint end 6 and the output joint end 7 are externally connected with an energizing coil, the U-shaped circulating heat-conducting pipe 5 is energized and heated, and the generated heat conducts heat-conducting pressing.
Lower groove body 4 is through the buffering supporting mechanism assembled joint operation panel 8 that a plurality of equipartitions set up, the symmetrical installation in roof both sides of upper groove body 3 is equipped with protruding cover 9, bilateral symmetry last protruding cover 9 in respectively fastening connection pneumatic cylinder 10 the telescopic link tail end, pneumatic cylinder 10 fixed mounting sets up on roof beam board 10, roof beam board 10 supports between inserting the location lead screw 12 of establishing the installation through four corners position department and the operation panel 8 and is connected mutually, the support mounted position of roof beam board 11 is through the tight nut two 23 that set up of upper and lower both sides clamp and location lead screw 12 between being connected mutually, is convenient for pass through pneumatic cylinder 10 and drives upper groove body 3 and be close to the suppression action to lower groove body 4.
The buffering and supporting mechanism is formed by assembling a positioning cylinder 19, a guide pillar 20, a spring 21 and a lower convex sleeve 22, the positioning cylinder 19 and the lower convex sleeve 22 are respectively and uniformly distributed on the operating platform 1 and the lower concave groove body 4, the bottom of the guide pillar 20 is arranged at the top of an inner cavity of the positioning cylinder 19 in a sliding installation mode, the top end of the guide pillar 20 is fixedly inserted into the lower convex sleeve 22, the spring 21 is arranged at the bottom of the inner cavity of the positioning cylinder 19 in an assembling and installing mode, the spring 21 is in supporting and connecting with the bottom end face of the guide pillar 20 in a butting mode, and the buffering and supporting mechanism is convenient to play a role of buffering and supporting on the lower concave groove body 4, so that a downward moving buffering allowance is formed when the waterproof underlayer and the antibacterial surface layer are subjected to composite pressing, and wrinkling caused by unsuccessful rigid contact.
The right sides of the upper heat-conducting pressing plate 1 and the lower heat-conducting pressing plate 2 are provided with an upper heat-conducting roller 13 and a lower heat-conducting roller 14 at intervals in parallel, the left sides of the upper heat-conducting pressing plate 1 and the lower heat-conducting pressing plate 2 are provided with an upper press roller 15 and a lower press roller 16 at intervals in parallel, the two side roller shaft ends of the upper heat-conducting roller 13, the lower heat-conducting roller 14, the upper press roller 15 and the lower press roller 16 are respectively provided with an L-shaped support plate 17 in a rotating fit manner, the L-shaped support plate 17 is slidably sleeved on the positioning screw rod 12, the sliding installation position of the L-shaped support plate 17 is locked and connected with the positioning screw rod 12 through a first nut 18 which is clamped at the upper side and the lower side, the upper heat-conducting roller 13 and the lower heat-conducting roller 14 are respectively guided to be input into the waterproof underlayer and the antibacterial surface layer for use at intervals in parallel at the right side, the, the foaming phenomenon caused by uneven extrusion of the laminating adhesive is avoided, and the upper pressing roller 15 and the lower pressing roller 16 which are arranged on the left side in parallel at intervals perform the rolling output effect on the wall cloth subjected to composite pressing.
The invention is implemented as follows: when in use, the upper heat conducting roller 13 and the lower heat conducting roller 14 which are arranged in parallel at intervals on the right side are used for respectively guiding and inputting a waterproof underlayer and an antibacterial surface layer, the upper heat conducting pressing plate 1 and the lower heat conducting pressing plate 2 which are arranged in parallel at intervals are pushed by the hydraulic cylinder 10 to drive the upper groove body 3 to move downwards in the process of outputting to the left side, so that the upper heat conducting pressing plate 1 moves downwards to be pressed and compounded with the lower heat conducting pressing plate 2 to the waterproof underlayer and the antibacterial surface layer, the U-shaped circulating heat conducting pipes 5 are respectively arranged in the inner cavities of the upper groove body 3 and the lower groove body 4, the U-shaped circulating heat conducting pipes 5 are respectively connected with an electrified coil through the input connector end 6 and the output connector end 7, so that the U-shaped circulating heat conducting pipes 5 are electrified and heated, the generated heat respectively conducts heat conduction and pressing construction on the upper heat conducting pressing plate 1 and the lower heat conducting pressing plate 2, the composite pressing molding is convenient, and the foaming phenomenon caused by uneven extrusion of the laminating adhesive is avoided; in addition, in the composite pressing process, the upper heat-conducting pressing plate 1 and the lower heat-conducting pressing plate 2 generate extrusion and downward movement buffer allowance, so that the phenomenon that wrinkling is difficult to repair due to unsuccessful rigid contact pressing is avoided. By adopting the technical scheme, the waterproof bottom base layer film and the antibacterial surface layer film are respectively prepared and input through the upper heat-conducting roller and the lower heat-conducting roller which are arranged on the right side in parallel at intervals, so that the preheating and conveying effects on the laminating adhesive are achieved, the composite pressing operation is facilitated, the upper heat-conducting pressing plate and the lower heat-conducting pressing plate are close to the waterproof bottom base layer film and the antibacterial surface layer film in an extruding manner, the upper heat-conducting pressing plate and the lower heat-conducting pressing plate are uniformly heated through the U-shaped circulating heat-conducting pipes, the laminating adhesive is uniformly pressed, the heat conduction of the laminating adhesive between the waterproof bottom base layer and the antibacterial surface layer is in a flowing state, the composite pressing molding is facilitated, and the foaming phenomenon caused; in addition, in the composite pressing process, the upper heat-conducting pressing plate and the lower heat-conducting pressing plate are extruded to move downwards to buffer the allowance, so that the phenomenon that the corrugated plate is not easy to repair due to the fact that rigid contact pressing is unsuccessful is avoided.
Finally, it should be noted that: the above embodiments are only used to illustrate the present invention and do not limit the technical solutions described in the present invention; thus, while the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted; all such modifications and variations are intended to be included herein within the scope of this disclosure and the present invention and protected by the following claims.
Claims (8)
1. The utility model provides an antibiotic wall paper preparation is with preventing sparger, includes upper heat conduction clamp plate (1), lower heat conduction clamp plate (2) that upper and lower looks parallel interval set up, its characterized in that, upper heat conduction clamp plate (1), lower heat conduction clamp plate (2) integrative assembly installation respectively set up on the end face of the end opening of last groove body (3), the end face of the top opening of lower groove body (4), equally divide respectively in the inner chamber of last groove body (3), lower groove body (4) and be provided with U-shaped circulation heat pipe (5), lower groove body (4) are through the buffering supporting mechanism assembly connection operation panel (8) that a plurality of equipartitions set up, the symmetrical installation of roof both sides of last groove body (3) is equipped with protruding cover (9), bilateral symmetry last protruding cover (9) in respectively the telescopic link tail end of fastening connection pneumatic cylinder (10), pneumatic cylinder (10) fixed mounting sets up on roof beam board (10), the roof beam plate (10) is connected with the operating platform (8) in a supporting mode through a positioning screw rod (12) which is inserted and installed at four corners, an upper heat conduction roller (13) and a lower heat conduction roller (14) are arranged on the right sides of the upper heat conduction pressing plate (1) and the lower heat conduction pressing plate (2) in a parallel mode at intervals, and an upper compression roller (15) and a lower compression roller (16) are arranged on the left sides of the upper heat conduction pressing plate (1) and the lower heat conduction pressing plate (2) in a parallel mode at intervals.
2. The anti-foaming device for preparing antibacterial wall cloth of claim 1, wherein: and the roll shaft ends at two sides of the upper heat-conducting roller (13), the lower heat-conducting roller (14), the upper press roller (15) and the lower press roller (16) are respectively provided with an L-shaped support plate (17) in a rotating fit manner.
3. The anti-foaming device for preparing antibacterial wall cloth of claim 2, wherein: the L-shaped support plate (17) is slidably sleeved on the positioning screw rod (12), and the slidably mounted position of the L-shaped support plate (17) is locked and connected with the positioning screw rod (12) through a first nut (18) which is clamped on the upper side and the lower side.
4. The anti-foaming device for preparing antibacterial wall cloth of claim 1, wherein: and the two ends of the U-shaped circulating heat-conducting pipe (5) are respectively provided with an input joint end (6) and an output joint end (7) in an integrated structure.
5. The anti-foaming device for preparing antibacterial wall cloth of claim 1, wherein: the buffer supporting mechanism is assembled by a positioning cylinder body (19), a guide post (20), a spring (21) and a lower convex sleeve (22).
6. The anti-foaming device for preparing antibacterial wall cloth of claim 5, wherein: the positioning cylinder (19) and the lower convex sleeve (22) are respectively and uniformly arranged on the operating platform (1) and the lower concave groove body (4), the top of an inner cavity of the positioning cylinder (19) is slidably arranged at the bottom of the guide pillar (20), and the top end of the guide pillar (20) is fixedly inserted into the lower convex sleeve (22).
7. The anti-foaming device for preparing antibacterial wall cloth of claim 6, wherein: the bottom of the inner cavity of the positioning cylinder (19) is provided with a spring (21) in an assembling and installing mode, and the spring (21) is in supporting connection with the bottom end face of the guide pillar (20) in a propping mode.
8. The anti-foaming device for preparing antibacterial wall cloth of claim 1, wherein: the supporting and mounting position of the top beam plate (11) is connected with the positioning screw rod (12) in a locking way through a second nut (23) which is clamped at the upper side and the lower side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010840995.8A CN112192928A (en) | 2020-08-20 | 2020-08-20 | Anti-foaming device for preparing antibacterial wall cloth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010840995.8A CN112192928A (en) | 2020-08-20 | 2020-08-20 | Anti-foaming device for preparing antibacterial wall cloth |
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| Publication Number | Publication Date |
|---|---|
| CN112192928A true CN112192928A (en) | 2021-01-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010840995.8A Pending CN112192928A (en) | 2020-08-20 | 2020-08-20 | Anti-foaming device for preparing antibacterial wall cloth |
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| Country | Link |
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| CN (1) | CN112192928A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113879627A (en) * | 2021-09-24 | 2022-01-04 | 江苏中大包装材料有限公司 | Automatic separation blanking type plastic film heat sealing mechanism and heat sealing process thereof |
| CN114953423A (en) * | 2022-05-24 | 2022-08-30 | 深圳市科达利实业股份有限公司 | Hot pressing tectorial membrane mechanism |
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| CN109177425A (en) * | 2018-09-20 | 2019-01-11 | 东莞奥得时精密电子有限公司 | A kind of waterproof and breathable membrane structure material and thermal-adhering equipment |
| CN110126431A (en) * | 2019-06-24 | 2019-08-16 | 赵妍 | A kind of antifalsification label outer surface laminating machine |
| CN209320430U (en) * | 2018-10-15 | 2019-08-30 | 广东天进新材料有限公司 | A kind of thin film adhering machine |
| CN210705655U (en) * | 2019-06-04 | 2020-06-09 | 扬州丽丰内饰件有限公司 | Non-woven fabric hot-pressing device for production of car body ceiling |
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2020
- 2020-08-20 CN CN202010840995.8A patent/CN112192928A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109177425A (en) * | 2018-09-20 | 2019-01-11 | 东莞奥得时精密电子有限公司 | A kind of waterproof and breathable membrane structure material and thermal-adhering equipment |
| CN209320430U (en) * | 2018-10-15 | 2019-08-30 | 广东天进新材料有限公司 | A kind of thin film adhering machine |
| CN210705655U (en) * | 2019-06-04 | 2020-06-09 | 扬州丽丰内饰件有限公司 | Non-woven fabric hot-pressing device for production of car body ceiling |
| CN110126431A (en) * | 2019-06-24 | 2019-08-16 | 赵妍 | A kind of antifalsification label outer surface laminating machine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113879627A (en) * | 2021-09-24 | 2022-01-04 | 江苏中大包装材料有限公司 | Automatic separation blanking type plastic film heat sealing mechanism and heat sealing process thereof |
| CN113879627B (en) * | 2021-09-24 | 2023-02-14 | 江苏中大包装材料有限公司 | Automatic separation blanking type plastic film heat sealing mechanism and heat sealing process thereof |
| CN114953423A (en) * | 2022-05-24 | 2022-08-30 | 深圳市科达利实业股份有限公司 | Hot pressing tectorial membrane mechanism |
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Application publication date: 20210108 |
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