CN112519381B - Manufacturing method of folding seat cushion - Google Patents
Manufacturing method of folding seat cushion Download PDFInfo
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- CN112519381B CN112519381B CN202011251471.1A CN202011251471A CN112519381B CN 112519381 B CN112519381 B CN 112519381B CN 202011251471 A CN202011251471 A CN 202011251471A CN 112519381 B CN112519381 B CN 112519381B
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- cushion
- die body
- convex
- composite sheet
- concave
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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
- B32B37/10—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
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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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0036—Heat treatment
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- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
A manufacturing method of a folding cushion comprises the following steps: preparing a composite sheet body; placing the composite sheet body in an oven for baking and softening, placing the softened composite sheet body in a mold for pressing and molding, wherein the mold is a cold pressing mold, and the temperature of the lower molding surface and the upper molding surface of the mold is reduced to be less than 50 ℃ before the composite sheet body is placed for pressing; concave-convex surfaces are distributed on the lower molding surface of the mold, and concave surface is also distributed on the upper molding surface of the mold. The invention has the advantages that: the production energy consumption is reduced, and the manufacturing cost is saved; the molding precision is high; the formed cushion is convenient to take out and the die is convenient to clean; the cushion has the advantages of few steps for manufacturing the cushion, simple process, realization of one-step molding of the upper concave-convex surface and the lower concave-convex surface of the concave-convex surface cushion, satisfaction of the molding requirement of the cushion, complete concave-convex surface, smooth transition and good manufacturing effect.
Description
Technical Field
The invention relates to the technical field of cushion manufacturing, in particular to a manufacturing method of a folding cushion.
Background
The traditional Chinese patent application with the application number of CN201610718105.X named as 'a concave-convex aluminum film moisture-proof pad and manufacturing process thereof' discloses a concave-convex aluminum film moisture-proof pad and a manufacturing process thereof. The preparation process comprises the steps of uniformly mixing aluminum powder and an adhesive, and then uniformly spraying the mixture on the bonding layer; casting an aluminum film protective layer on the surface of the aluminum film; and bonding and compounding a composite layer consisting of the aluminum film protective layer, the aluminum film and the bonding layer on the moisture-proof pad base material. The single-side moisture-proof base material layer reduces the thickness of the moisture-proof pad, and the surface of the moisture-proof pad is easier to clean; the moisture-proof pad can be used for moisture prevention, and can also be used as a reflective warning board during outdoor rescue and a reflective light supplementing board during outdoor photographing, so that one pad is multipurpose; the arrangement of the connecting grooves facilitates the storage and carrying of the moisture-proof pad, and the process is simple. However, the moisture-proof pad needs a casting process, so that the efficiency is low, and meanwhile, the forming mold is always kept at 130-250 ℃, so that the energy consumption is high, and the manufacturing cost is high, so that the manufacturing process needs to be further improved.
Disclosure of Invention
The invention aims to solve the technical problem of providing a manufacturing method of a folding cushion, which has the advantages of low production energy consumption, low manufacturing cost, simple process and high manufacturing efficiency, and can realize one-step molding of the concave-convex surface of the cushion.
The technical scheme adopted by the invention for solving the technical problems is as follows: the manufacturing method of the folding cushion comprises the following steps:
firstly, compounding a surface film on the surface of a foaming substrate to prepare a composite sheet to be formed;
secondly, placing the composite sheet body in a mould for compression molding to obtain the required concave-convex cushion;
the method is characterized in that: placing the composite sheet body in an oven to be baked and softened before the second step, placing the softened composite sheet body in a mold to be pressed and molded, wherein the mold in the second step is a cold pressing mold, and the temperature of the lower molding surface and the upper molding surface of the mold is reduced to be less than 50 ℃ before the composite sheet body is placed into the mold to be pressed;
the lower molding surface of the mold is distributed with arc concave parts which are regularly arranged in a grid shape, the top surface of each strip-shaped bulge between every two adjacent arc concave parts is an arc surface, cross-shaped cross parts which are jointly connected with one ends of the four strip-shaped bulges are spherical bulges which are spherical surfaces, and the top surfaces of the spherical bulges are higher than the top surfaces of the strip-shaped bulges;
the bottom surface of each convex strip between every two adjacent circular arc concave parts is an circular arc surface, cross-shaped cross parts connected with one ends of the four convex strips are spherical convex parts, and the bottom surfaces of the spherical convex parts are lower than the bottom surfaces of the convex strips.
As an improvement, the specific method for reducing the temperature of the lower molding surface and the upper molding surface of the mold to be less than 50 ℃ is that cooling cavities capable of being filled with cooling water are respectively arranged in the upper mold body and the lower mold body of the mold, the cooling cavities are respectively communicated with respective cooling water pipelines, and when the composite sheet body is pressed, the cooling water is circularly filled into the cooling cavities of the upper mold body and the lower mold body to reduce the temperature of the lower molding surface and the upper molding surface to be less than 50 ℃; or before the composite sheet body is placed in the die, spraying cooling spray to the lower forming surface and the upper forming surface of the die to reduce the temperature of the lower forming surface and the upper forming surface to less than 50 ℃.
As a refinement, the surface film is a PE film printed with a metal color.
As an improvement, the composite sheet body is placed in an oven for 1-30 seconds, and the temperature in the oven is 100-200 ℃.
As an improvement, a plane part which can be printed with trademarks without concave-convex surfaces is arranged on the lower molding surface, and a second plane part is arranged on the upper molding surface and corresponds to the plane part.
As an improvement, the lower forming surface and the upper forming surface are provided with rib tightening convex strips capable of dividing the composite sheet body into cushion blocks at intervals, and after the composite sheet body is pressed in a die, the cushion gaps capable of enabling adjacent cushion blocks to be folded together are pressed on the concave-convex surface cushion corresponding to the rib tightening convex strips.
As the improvement, the mould includes die body and the last die body that can lower die body reciprocated relatively, it is connected with die body actuating mechanism to go up the die body the bottom of going up the die body is provided with the design piece, and the last shaping face that goes up surface looks adaptation with the concave-convex cushion is located the bottom surface of design piece the top of die body is provided with down the design piece down, is located the top surface of lower design piece with the lower shaping face of concave-convex cushion lower surface looks adaptation, die body actuating mechanism is connected with the controller through the circuit.
The improved structure is characterized in that an upper cooling cavity is arranged in the upper shaping block, the upper cooling cavity is in continuous S-shaped bending, openings at two ends of the upper cooling cavity are formed in the side wall of the upper shaping block, a lower cooling cavity is arranged in the lower shaping block, the lower cooling cavity is in continuous S-shaped bending, and openings at two ends of the lower cooling cavity are formed in the side wall of the lower shaping block.
The further improvement is that the bottom surface of the upper shaping block around the upper shaping surface is distributed with a limiting block which can prevent the bottom surface of the upper positioning block from being directly attached to the top surface of the lower shaping block.
The improved structure is characterized in that a group of limiting blocks arranged diagonally are provided with limiting convex columns, and the top surfaces of the lower shaping blocks corresponding to the limiting convex columns are provided with inserting concave parts capable of being inserted into the limiting convex columns.
The die body driving mechanism is a driving oil cylinder, a guide rail column is arranged on the top surface of the lower die body, the upper die body is arranged on the guide rail column in a manner of moving up and down relative to the guide rail column, the cylinder body of the driving oil cylinder is fixed on a fixing plate at the top of the guide rail column, and the oil cylinder rod of the driving oil cylinder is connected with the upper die body.
Compared with the prior art, the invention has the advantages that: the adopted die is a cold pressing die, so that the die does not need to be kept at a high temperature of 130-250 ℃, the production energy consumption is reduced, and the manufacturing cost is saved; the cold-pressing die is not easy to be subjected to thermal deformation, the die making precision is high, and the service life of the die is prolonged; the cold pressing reduces the probability that the surface of the composite sheet is melted and stuck on the die, and is convenient for taking out the formed cushion and cleaning the die; the cushion has the advantages that the steps for manufacturing the cushion are few, the process is simple, the softened composite sheet body is only placed on a die to be pressed, the operation is very simple, the upper concave-convex surface and the lower concave-convex surface of the concave-convex cushion are formed in one step, the molding requirement of the cushion is met, the concave-convex surfaces are complete and smooth in transition, and the manufacturing effect is good; the concave-convex cushion manufactured by the method has the advantages that the concave parts and the convex parts are regularly arranged on each cushion block, and the surfaces of the convex parts formed by the partition bars and the partition bars for partitioning the concave parts are all cambered surfaces, so that the outer surface of the cushion block is smooth and tidy on the whole, a user cannot be hurt, the user feels comfortable when leaning on the cushion block, the concave parts and the convex parts which are regularly arranged can play a certain massage function, further, the top surfaces of the convex parts on the upper surface of the same cushion block are higher than the top surfaces of the partition bars, and the bottom surfaces of the spherical convex parts on the lower surface of the same cushion block are lower than the bottom surfaces of the partition bars, so that the convex feeling of the convex parts can be highlighted, the massage effect on the surface of the cushion block can be more obviously felt when the user leans on the cushion block, and the use comfort level is further improved; in addition, the rib convex strips can be preferably arranged on the forming surface, the cushion is pressed into a foldable structure, the concave parts of the top surfaces of the cushion blocks can be correspondingly inserted into the convex parts of the bottom surfaces of the adjacent cushion blocks during folding, and similarly, the convex parts of the top surfaces of the cushion blocks can be correspondingly inserted into the concave parts of the bottom surfaces of the adjacent cushion blocks, so that the top surfaces of the folded cushion blocks and the bottom surfaces of the adjacent cushion blocks can be seamlessly attached together, the occupied space of the folded cushion blocks is remarkably reduced, and the folding cushion is very convenient to carry and transport.
Drawings
Fig. 1 is a perspective view of a seat cushion manufacturing apparatus employed in an embodiment of the present invention;
FIG. 2 is a perspective view of FIG. 1 at step one;
FIG. 3 is a perspective view of FIG. 1 at another angle;
FIG. 4 is a perspective view of FIG. 3 at another angle;
FIG. 5 is a perspective view of the composite sheet of FIG. 1 positioned on a bottom mold body;
FIG. 6 is a perspective view of FIG. 5 in a compressed state;
FIG. 7 is a perspective view of the molded seat cushion of FIG. 6 after compression has been completed and removed;
FIG. 8 is a top view of FIG. 1 with the oven removed;
FIG. 9 is a cross-sectional view taken along line A-A of FIG. 8;
FIG. 10 is an enlarged view of portion I of FIG. 1;
fig. 11 is a perspective view of the seat cushion manufactured in fig. 1.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1 to 10, the method for manufacturing a foldable seat cushion of the present embodiment includes the following steps:
firstly, compounding a surface film on the surface of a foaming substrate to prepare a composite sheet body 10 to be molded;
secondly, the composite sheet body 10 is placed in a mould to be pressed and formed, and the required concave-convex cushion 1 is obtained;
before the second step, the composite sheet body 10 is placed in an oven 2 to be baked and softened, then the softened composite sheet body 10 is placed in a die to be pressed and formed, the die in the second step is a cold pressing die, and before the composite sheet body 10 is placed in the die to be pressed, the temperature of a lower forming surface 3 and an upper forming surface 4 of the die is reduced to be less than 50 ℃; the lower molding surface 3 of the mold is distributed with arc concave parts 31 which are regularly arranged in a grid shape, the top surface of the strip-shaped bulge 32 between every two adjacent arc concave parts 31 is an arc surface, a cross-shaped cross part which is connected with one end of the four strip-shaped bulges 32 together is a spherical bulge 33, and the top surface of the spherical bulge 33 is higher than the top surface of the strip-shaped bulge 32; the upper forming surface 4 of the mould and the corresponding part of the spherical bulge 33 of the lower forming surface 3 are distributed with arc depressed parts which are regularly arranged in a grid shape, the bottom surface of the convex strip between every two adjacent arc depressed parts is an arc surface, the cross-shaped cross part which is connected with one end of the four convex strips together is a spherical convex part of the spherical surface, and the bottom surface of the spherical convex part is lower than the bottom surface of the convex strip.
The specific method for reducing the temperature of the lower molding surface 3 and the upper molding surface 4 of the mold to be less than 50 ℃ is that cooling cavities capable of being filled with cooling water are respectively arranged in the upper mold body 40 and the lower mold body 30 of the mold, the cooling cavities are respectively communicated with respective cooling water pipelines, and when the composite sheet body 10 is pressed, the cooling water is circularly filled into the cooling cavities of the upper mold body 40 and the lower mold body 30 to reduce the temperature of the lower molding surface 3 and the upper molding surface 4 to be less than 50 ℃; alternatively, before placing the composite sheet 10 into the mold, a cooling spray is sprayed onto the lower molding surface 3 and the upper molding surface 4 of the mold to lower the temperature of the lower molding surface 3 and the upper molding surface 4 to less than 50 ℃. The top film is a PE film printed with a metallic color. The composite sheet body 10 is placed in the oven 2 for 1-30 seconds, and the temperature in the oven 2 is 100-200 ℃. The lower molding surface 3 is provided with a plane portion 34 on which a trademark can be printed without a concave-convex surface, and the upper molding surface 4 is provided with a second plane portion at a position corresponding to the plane portion 34. Rib-tightening convex strips capable of dividing the composite sheet body 10 into cushion blocks are arranged on the lower forming surface 3 and the upper forming surface 4 at intervals, and after the composite sheet body 10 is pressed in a die, cushion notches 14 capable of enabling adjacent cushion blocks to be folded together are pressed on the concave-convex surface cushion corresponding to the rib-tightening convex strips, as shown in fig. 11.
The mould includes die body 30 down and the last die body 40 that can reciprocate relatively die body 30 down, it is connected with die body actuating mechanism to go up die body 40, be provided with design piece 401 in the bottom of last die body 40, be located the bottom surface of design piece 401 with last shaping surface 4 of 1 upper surface looks adaptation of concavo-convex cushion, be provided with down design piece 301 at the top of die body 30 down, be located down the top surface of design piece 301 with the lower shaping surface 3 of 1 lower surface looks adaptation of concavo-convex cushion, die body actuating mechanism is connected with controller 5 through the circuit. An upper cooling cavity 402 is arranged in the upper shaping block 401, the upper cooling cavity 402 is in a continuous S-shaped bend, openings at two ends of the upper cooling cavity 402 are arranged on the side wall of the upper shaping block 401, a lower cooling cavity 302 is arranged in the lower shaping block 301, the lower cooling cavity 302 is in a continuous S-shaped bend, and openings at two ends of the lower cooling cavity 302 are arranged on the side wall of the lower shaping block 301. The limiting blocks 44 capable of preventing the bottom surface of the upper positioning block 401 from being directly attached to the top surface of the lower shaping block 301 are distributed on the bottom surface of the upper shaping block 401 around the upper shaping surface 4. A set of limiting convex columns 441 are arranged on the limiting blocks 44 which are arranged diagonally, and an inserting concave part 35 which can be inserted into the limiting convex columns 441 is arranged on the top surface of the lower shaping block 301 corresponding to the limiting convex columns 441. The die body driving mechanism is a driving oil cylinder 37, a guide rail column 36 is arranged on the top surface of the lower die body 30, the upper die body 40 can be arranged on the guide rail column 36 in a mode of moving up and down relative to the guide rail column 36, the cylinder body of the driving oil cylinder 37 is fixed on a fixing plate at the top of the guide rail column 36, and the oil cylinder rod of the driving oil cylinder 37 is connected with the upper die body 40. The specific circuit structure of the controller 5 is well known in the art and will not be described in detail.
Claims (9)
1. A manufacturing method of a folding cushion comprises the following steps:
firstly, compounding a surface film on the surface of a foaming base material to prepare a compound sheet body (10) to be molded;
secondly, the composite sheet body (10) is placed in a mould to be pressed and formed, and the required concave-convex surface cushion (1) is obtained;
the method is characterized in that: placing the composite sheet body (10) in an oven (2) for baking and softening before the second step, placing the softened composite sheet body (10) in a mould for pressing and forming, wherein the mould in the second step is a cold pressing mould, and the temperature of a lower forming surface (3) and an upper forming surface (4) of the mould is reduced to be less than 50 ℃ before the composite sheet body (10) is placed for pressing; the lower molding surface (3) of the mold is distributed with arc concave parts (31) which are regularly arranged in a grid shape, the top surfaces of the strip-shaped bulges (32) between every two adjacent arc concave parts (31) are arc surfaces, the crossed parts which are commonly connected with one ends of the four strip-shaped bulges (32) are spherical surface bulges (33), and the top surfaces of the spherical surface bulges (33) are higher than the top surfaces of the strip-shaped bulges (32); arc concave parts which are regularly arranged in a grid shape are distributed on the upper forming surface (4) of the die and correspond to the spherical protrusions (33) of the lower forming surface (3), the bottom surface of each convex strip between every two adjacent arc concave parts is an arc surface, cross-shaped cross parts which are connected with one ends of the four convex strips together are spherical convex parts of a spherical surface, and the bottom surfaces of the spherical convex parts are lower than the bottom surfaces of the convex strips; the mould includes die body (30) down and last die body (40) that can reciprocate relatively die body (30) down, it is connected with die body actuating mechanism to go up die body (40) the bottom of going up die body (40) is provided with sizing block (401), is located sizing block (401) on with last shaping surface (4) of unsmooth face cushion (1) upper surface looks adaptation the bottom surface of die body (30) down the top of die body (30) is provided with down sizing block (301), is located down on the top surface of sizing block (301) with lower shaping surface (3) of unsmooth face cushion (1) lower surface looks adaptation, die body actuating mechanism is connected with controller (5) through the circuit.
2. The method of manufacturing according to claim 1, wherein: the specific method for reducing the temperature of the lower forming surface (3) and the upper forming surface (4) of the die to be less than 50 ℃ is that cooling cavities capable of being filled with cooling water are respectively arranged in the upper die body (40) and the lower die body (30) of the die, the cooling cavities are respectively communicated with respective cooling water pipelines, and when the composite sheet body (10) is pressed, the cooling water is circularly filled into the cooling cavities of the upper die body (40) and the lower die body (30) to reduce the temperature of the lower forming surface (3) and the upper forming surface (4) to be less than 50 ℃; or before the composite sheet body (10) is placed in the mold, cooling spray is sprayed on the lower molding surface (3) and the upper molding surface (4) of the mold to reduce the temperature of the lower molding surface (3) and the upper molding surface (4) to be less than 50 ℃.
3. The method of manufacturing according to claim 1, wherein: the surface film is a PE film printed with a metal color.
4. The method of manufacturing according to claim 1, wherein: the composite sheet body (10) is placed in the oven (2) for 1-30 seconds, and the temperature in the oven (2) is 100-200 ℃.
5. The method of manufacturing according to claim 1, wherein: the lower molding surface (3) is provided with a plane part (34) which is removed with concave-convex surfaces and can print trademarks, and the upper molding surface (4) is provided with a second plane part at a position corresponding to the plane part (34).
6. The method of manufacturing according to claim 1, wherein: the interval is provided with the muscle sand grip that reines that can divide into the cushion with compound lamellar body (10) on lower shaping face (3) and last shaping face (4), presses the back when compound lamellar body (10) in the mould, is pushed out on the concave convex surface cushion that corresponds with reining in the muscle sand grip and enables adjacent cushion folding together cushion breach (14).
7. The manufacturing method according to any one of claims 1 to 5, characterized in that: be provided with in last contour block (401) and cool off chamber (402), it is crooked to go up cooling chamber (402) and is continuous S type, the both ends opening of going up cooling chamber (402) all sets up on the lateral wall of last contour block (401), be provided with down cooling chamber (302) down in contour block (301), cooling chamber (302) are crooked in continuous S type down, the both ends opening of cooling chamber (302) all sets up under on the lateral wall of contour block (301) down.
8. The manufacturing method according to any one of claims 1 to 5, characterized in that: the bottom surfaces of the upper shaping blocks (401) on the periphery of the upper shaping surface (4) are distributed with limiting blocks (44) which can prevent the bottom surfaces of the upper shaping blocks (401) from being directly attached to the top surface of the lower shaping block (301); a group of limit blocks (44) which are arranged diagonally are provided with limit convex columns (441), and the top surface of the lower shaping block (301) corresponding to the limit convex columns (441) is provided with an inserting concave part (35) which can be inserted into the limit convex columns (441).
9. The manufacturing method according to any one of claims 1 to 5, characterized in that: the die body driving mechanism is a driving oil cylinder (37), a guide rail column (36) is arranged on the top surface of the lower die body (30), the upper die body (40) can be arranged on the guide rail column (36) in a manner of moving up and down relative to the guide rail column (36), the cylinder body of the driving oil cylinder (37) is fixed on a fixing plate at the top of the guide rail column (36), and the oil cylinder rod of the driving oil cylinder (37) is connected with the upper die body (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011251471.1A CN112519381B (en) | 2020-11-11 | 2020-11-11 | Manufacturing method of folding seat cushion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011251471.1A CN112519381B (en) | 2020-11-11 | 2020-11-11 | Manufacturing method of folding seat cushion |
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| Publication Number | Publication Date |
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| CN112519381A CN112519381A (en) | 2021-03-19 |
| CN112519381B true CN112519381B (en) | 2022-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011251471.1A Active CN112519381B (en) | 2020-11-11 | 2020-11-11 | Manufacturing method of folding seat cushion |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2621041Y (en) * | 2003-07-01 | 2004-06-23 | 王永盛 | Massage plate with convex |
| CN203280209U (en) * | 2013-05-20 | 2013-11-13 | 林彬 | Floor mat with concave-convex structures |
| CN106427174A (en) * | 2016-10-09 | 2017-02-22 | 广东富利时实业有限公司 | Production process of composite mat |
| CN210540639U (en) * | 2019-09-20 | 2020-05-19 | 宁波市甬陵橡塑有限公司 | Portable cushion |
-
2020
- 2020-11-11 CN CN202011251471.1A patent/CN112519381B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2621041Y (en) * | 2003-07-01 | 2004-06-23 | 王永盛 | Massage plate with convex |
| CN203280209U (en) * | 2013-05-20 | 2013-11-13 | 林彬 | Floor mat with concave-convex structures |
| CN106427174A (en) * | 2016-10-09 | 2017-02-22 | 广东富利时实业有限公司 | Production process of composite mat |
| CN210540639U (en) * | 2019-09-20 | 2020-05-19 | 宁波市甬陵橡塑有限公司 | Portable cushion |
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| Publication number | Publication date |
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| CN112519381A (en) | 2021-03-19 |
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