CN210082391U - Hot-pressing mould with multiple heat conduction effects in different areas - Google Patents
Hot-pressing mould with multiple heat conduction effects in different areas Download PDFInfo
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- CN210082391U CN210082391U CN201920570449.XU CN201920570449U CN210082391U CN 210082391 U CN210082391 U CN 210082391U CN 201920570449 U CN201920570449 U CN 201920570449U CN 210082391 U CN210082391 U CN 210082391U
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Abstract
The utility model discloses the different regional hot pressing mould that has multiple heat conduction effect belongs to the different regional positions of the contact surface of upper and lower mould and has multiple heat conduction effect, makes the mould produce different contact temperature to being pressed the material, obtains the hot pressing mould of different shaping effects. In the plane area of one or more formed products in or outside the product forming frame of the die steel lower die, the die steel lower die is provided with a recess in which an elastic cushion layer and a low heat conduction cushion layer are arranged; the bottom of the recess is adjacent to the elastic cushion layer, and the low heat conduction cushion layer is positioned on the elastic cushion layer. The advantages are that: the mould generates different heating temperatures for different areas of the processed plate, and particularly can not heat the areas of the processed plate, so that the areas of the processed plate keep the original flatness unchanged, and heat and press other areas of the processed plate into a required concave-convex pattern.
Description
Technical Field
The utility model belongs to the technical field of the mould pressing becomes shaped plate mould, especially relate to when the mould pressing takes shape, there are multiple heat conduction effects in the different regional positions of the contact surface of upper and lower mould, make the mould produce different contact temperature or radiating rate to being pressed the material different regions, obtain the hot pressing mould of different shaping effects.
Background
The existing hot pressing die is mostly made of steel with good heat conduction performance and fast heat conduction, the effect of the hot pressing die is that the hot pressing forming process of the plate needs higher temperature and consumes a large amount of heat energy, the steel has the characteristics of fast self-heating and fast heat energy transfer to a pressed plate, and the steel also has the characteristic of fast heat absorption of the pressed plate. The pressed plate is hot-pressed and formed by the mold, the pressed plate can be quickly deformed into the shape specified by the mold only by being heated, when the pressed plate is cold and heated by the mold, or the heat is absorbed by the mold, the pressed plate can be deformed, if a formed product of the pressed plate has a large area without patterns, but is a large-area plane, the deformation of the pressed plate can cause the large-area plane area in the formed product to have the unsmooth and unaesthetic effect by the deformation of the pressed plate when the temperature is changed quickly.
Disclosure of Invention
The utility model aims at providing a mould has different contact temperature or different radiating rate to producing different regions by the clamp plate material, and the large tracts of land plane of product heaies up or the speed of cooling is slow in the hot briquetting in-process, makes the large tracts of land plane of hot briquetting product not have unsmooth, and indeformable keeps the hot pressing mould by the original planarization of clamp plate material.
The utility model discloses a structure:
[ first ] A first type: the hot pressing die that mould steel lower mould different regions has multiple heat conduction effect constructs including matched with mould steel upper die (1), mould steel lower mould (2), and mould steel upper die (1) is located mould steel lower mould 2's top, its characterized in that: in the plane area of one or more formed products inside or outside the product forming frame of the die steel lower die 2, the die steel lower die 2 is provided with a recess 3 in the plane area of the formed products, and an elastic cushion layer 4 and a low heat-conducting cushion layer 5 are arranged in the recess 3; the bottom of the recess 3 is adjacent to the elastic cushion layer 4, the low heat conduction cushion layer 5 is positioned on the elastic cushion layer 4, and the low heat conduction cushion layer 5 protrudes out of the product forming plane of the die steel lower die 2 by 0.5-3.0 cm.
First preferred: the elastic modulus of the elastic cushion layer 4 is 0.070-0.200/E/Gpa.
First preferred: the elastic cushion 4 is one of a rubber sheet and a soft plastic sheet.
First preferred: the thermal conductivity of the low thermal conductivity cushion 5 is 0.100-0.250/W/m deg.C.
First preferred: the low heat-conducting cushion layer 5 is one of a wood board, a composite material blockboard and a plastic board.
[ second ] second: mould steel goes up the hot pressing mould that the mould different regions had multiple heat conduction effect, constructs mould 1, mould steel lower mould 2 on matched with mould steel, and mould steel is gone up mould 1 and is located the top of mould steel lower mould 2, its characterized in that: in the plane area of one or more formed products inside or outside the product forming frame of the upper die 1 made of die steel, the upper die 1 made of die steel is provided with a recess 3 in the plane area of the formed products, and an elastic cushion layer 4 and a low heat-conducting cushion layer 5 are arranged in the recess 3; an elastic cushion layer 4 is pasted at the bottom of the recess 3, a low heat conduction cushion layer 5 is positioned on the elastic cushion layer 4 and pasted with the elastic cushion layer 4, and the low heat conduction cushion layer 5 protrudes out of the product forming plane of the upper die 1 of the die steel by 0.5-3.0 cm.
Second preferred: the elastic modulus of the elastic cushion layer 4 is 0.070-0.200/E/Gpa.
Second preferred: the elastic cushion 4 is one of a rubber sheet and a soft plastic sheet.
Second preferred: the thermal conductivity of the low thermal conductivity cushion 5 is 0.100-0.250/W/m deg.C.
Second preferred: the low heat-conducting cushion layer 5 is one of a wood board, a composite material blockboard and a plastic board.
The principle of the utility model is as follows:
A. to the process of hot die pressing cold plate, with the effect of low thermal conductivity cushion 5: the utility model uses the wood board or other boards with heat conductivity coefficient lower than the die steel in the area of the existing die, uses the low heat conduction cushion layer 5 as the contact surface of the special areas of the upper die 1 and the lower die 2 of the die steel as the pressed board, makes the special areas not heated or little heated to the processed board formed by hot pressing, makes the processed board not deformed into the concave-convex surface by high temperature, makes the processed board keep the flat surface before hot pressing, especially has the pattern formed product of the processed board without hot pressing deformation, and when the area without hot pressing deformation in large area is to keep the original flatness, uses the low heat conduction cushion layer 5 to isolate the die steel, makes the die steel indirectly contact the area to keep the original flatness, then the areas to keep the original flatness can not be deformed by high temperature, the area which needs to be heated, deformed and hot-pressed into the pattern can be heated and pressed into the pattern normally, and the area which does not need to be deformed keeps the original flatness. Reach mould steel and go up mould 1 and punch the action under same hot pressing, to the different regions production different shaping effect that will warp and indeformable by the processing board, both the utility model discloses a mould is once to being processed board hot pressing in-process, produces different heating temperature to the different regions of being processed the board in the different domains of mould to produce different hot briquetting effects, especially can not heat, make to be processed these regions of board and keep original planarization unchangeable by some regions of processing board, and heat the intensification to other regions by the processing board and press into the concave-convex pattern that needs.
B. For the cold-die hot plate process, the low thermal conductive cushion 5 acts: the original flatness of the processed plate is still kept in the area of the low heat conduction cushion layer 5 of the die, and the other areas of the processed plate are rapidly cooled and fixed to form the needed concave-convex pattern. The low-thermal-conductivity surface layer 3 is used as a contact surface of special areas of the upper die 1 and the lower die 2, so that the heat dissipation speed of the special areas to the heated processed plate is obviously slower than that of the steel surface of the die, the heated processed plate is slowly cooled in the area with the low-thermal-conductivity surface layer 3, the surface of the processed plate in the areas is uniformly cooled and shrunk by a slow cooling mode, random uneven surfaces caused by rapid cooling are not generated, and the smoothness and the attractiveness of the slow cooling areas of the processed plate are improved. The area of the processed plate contacted with the surface layer 3 with low thermal conductivity is kept to be a flat plane, especially, a formed product of the processed plate has a large area which does not need to be deformed into a pattern, when the area which does not need to be deformed has the original flatness, the surface layer 3 with low thermal conductivity is used for isolating the die steel, so that the die steel is indirectly contacted with the area which needs to be kept with the original flatness, the heated area of the processed plate which needs to be kept with the original flatness is slowly cooled, the area which needs to be hot-pressed into the pattern by the die can be normally pressed by the die, meanwhile, the area which does not need to be deformed is quickly cooled and formed into a concave-convex pattern by the die steel, and the original flatness is. Reach and push down the action under same time, to being processed the board will warp and the not different region of deformation produce different shaping effect, both the utility model discloses a mould is once to being processed board hot pressing in-process, produces different radiating rate, different cooling shaping effects to being processed the different regions of board at the different domains of mould.
With the function of the elastic cushion 4: in order to realize that the mold does not heat the processed plate in some areas, the surface of the areas of the mold is provided with the concave 3, the concave 3 is provided with the low heat conduction cushion layer 5, and the low heat conduction cushion layer 5 is contacted with the processed plate, so that the low heat conduction cushion layer 5 does not heat the processed plate, or the temperature reduction speed of the heated processed plate in the area of the low heat conduction cushion layer 5 is slow. After the low heat conduction cushion layer 5 is hot-pressed for many times, the position of each corner of the low heat conduction cushion layer 5 which is far away is easy to generate flatness error which is not on a plane, in order to eliminate the flatness error, the surface of the low heat conduction cushion layer 5 and the surface of the upper die 1 or the lower die 2 of the die steel are completely on the same plane in the hot-pressing process of the upper die 1 and the lower die 2 of the die steel, the utility model discloses an elastic cushion layer 4 is arranged between the bottom surfaces of the low heat conduction cushion layer 5 and the die recess 3, the upper die 1 and the lower die 2 of the die steel are in the hot-pressing contact process, the part of the low heat conduction cushion layer 5 which is protruded on the surface of the die is firstly contacted with the upper die 1 of the die steel [ or contacted with the lower die 2 of the die steel ] by the elastic cushion layer 4, the processed plate is firstly pressed and fixed by the low heat conduction cushion layer 5 which is protruded on the, the processed plate pressed by the low thermal conductive pad layer 5 is not heated, and is not deformed by pressing to form a concave-convex pattern.
Therefore, the elastic cushion 4 has two functions: firstly, eliminate the planarization error of low heat conduction bedding course 5 and two mould contact surfaces, secondly prevent that the regional board of being processed of low heat conduction bedding course 5 is drawn by the region that will hot pressing warp and warp. And the low heat conduction cushion layer 5 is used for preventing the processed plate from being deformed unevenly when heated or radiating.
The elastic modulus of the rubber sheet or the soft plastic sheet selected for the elastic cushion layer 4 is 0.070-0.200/E/Gpa, and the requirement that the low heat-conducting cushion layer 5 protrudes out of the surface of the mold by 0.5-3.0 cm is taken as the basis for selecting the elastic modulus, generally, when the low heat-conducting cushion layer 5 protrudes out of the surface of the mold by 0.5-1.0 cm, the elastic modulus of the rubber sheet or the soft plastic sheet is 0.150-0.200/E/Gpa; when the low heat-conducting cushion layer 5 protrudes out of the surface of the mould by 2.0-3.0 cm, the elastic modulus of the selected rubber sheet or soft plastic sheet is 0.070-0.100/E/Gpa. And the specific height of the low heat conduction cushion layer 5 protruding from the surface of the mould by 0.5-3.0 cm is determined by the thickness of the processed plate, the heat conductivity coefficient of the processed plate and the heat conductivity coefficient of the processed plate.
Preferably, when the low thermal conductive pad layer 5 protrudes from the surface of the mold by 0.8 cm, the other plates are selected as follows:
the processed plate is a PVC non-toxic plastic plate with the thickness of 0.5 cm and the heat conductivity coefficient of 0.180/W/mK;
the low heat-conducting cushion layer 5 is a composite material blockboard, the thickness of the low heat-conducting cushion layer is 2.0 cm, and the heat-conducting coefficient is 0.130/W/m ℃;
the elastic cushion layer 4 is a rubber sheet with the thickness of 2.0 cm and the elastic modulus of 0.140/E/Gpa.
Next, the die steel upper die 1 is provided with a recess 3, and the recess 3 is provided with an elastic cushion layer 4 and a low heat conduction cushion layer 5, which are the same as the above-mentioned "principle of the present invention", and is not repeated.
The utility model has the advantages that: the upper die 1 and the lower die 2 of the die steel generate different heating temperatures or heat dissipation speeds on different areas of the processed plate in the process of hot pressing the processed plate at one time, so that the processed plate generates different hot-press forming effects. The cooling device has the advantages that the cooling device has quick and slow effects on different areas of a heated processed plate, so that the concave-convex pattern steel area of the processed plate is quickly cooled and is easy to form and fix, and the flat low-heat-conduction cushion area of the processed plate is slowly cooled and is kept flat without deformation. In the whole bearing area of specially adapted mould, there are a plurality of independent concave-convex patterns that have spacing distance, and these each concave-convex pattern are at coplanar's level surface, like the plastic slab thermoforming that has a plurality of concave-convex pattern doors that the house was used, use the utility model discloses enable to be processed these concave-convex patterns of board plastic door rapid prototyping, can make the flat region of plastic door not produce the uneven deformation of heat dissipation again, also not by the regional tensile deformation that has concave-convex pattern, the flat region of door keeps by the original planarization plane of processing board. The utility model discloses a this kind of mould is suitable for the concave and convex pattern of hot pressing on the outsourcing plastics top layer of room door very much and processes.
Drawings
FIG. 1 is a schematic sectional structure diagram of a portion of an upper die 1 of die steel protruding from a flat surface of the die steel firstly contacting a processed plate;
fig. 2 is a schematic sectional structure diagram of the upper die 1 and the lower die 2 of the die steel of the present invention, which are used for hot-pressing the middle portion of the processed plate into the concave-convex pattern, and heating the peripheral portion of the concave-convex pattern of the processed plate without deformation and maintaining the original flatness;
FIG. 3 is a schematic cross-sectional structure diagram of the portion of the upper die 1 protruding from the flat surface of the die steel of the present invention, which first contacts the processed plate;
fig. 4 is a schematic cross-sectional structure diagram of the utility model, in which the part of the upper die 1 protruding from the flat surface of the die steel presses a part of the processed plate, so that the flat surface of the upper die 1 of the die steel is in contact with the low thermal conductive cushion layer 5, the flat surface of the upper die 1 of the die steel and the low thermal conductive cushion layer 5 tightly press the flat surface of the processed plate, and the flat surface area of the processed plate is prevented from being deformed by the concave-convex pattern area;
fig. 5 is the utility model discloses a mould steel goes up mould 1 and mould steel lower mould 2 and is become the concave-convex pattern to the middle part regional hot pressing of processed board, to the section structure sketch map that the concave-convex pattern peripheral part regional plane of processed board can not warp, keeps original planarization.
In the figure, 1 is an upper die of die steel, 2 is a lower die of die steel, 3 is a recess, 4 is an inner elastic cushion layer and 5 is a low heat conduction cushion layer.
Detailed Description
Example 1 hot-pressing die with low heat conduction cushion layer 5 and elastic cushion layer 4 in plane area outside product frame of die steel lower die 2
Referring to fig. 1, 2, 3, 4 and 5, the hot-pressing mold with multiple heat conduction effects in different areas comprises an upper mold steel mold 1 and a lower mold steel mold 2 which are matched, wherein the upper mold steel mold 1 is arranged above the lower mold steel mold 2, the flat areas of one or more formed products in or outside a product forming frame of the lower mold steel mold 2 are provided with a recess 3 in the flat areas of the formed products, and an elastic cushion layer 4 and a low heat conduction cushion layer 5 are arranged in the recess 3; the bottom of the recess 3 is adjacent to the elastic cushion 4, and the low thermal conductive cushion 5 is located on the elastic cushion 4.
When the low heat-conducting cushion layer 5 protrudes 0.8 cm from the surface of the mould, or the low heat-conducting cushion layer 5 protrudes 0.5-3.0 cm from the surface of the mould according to the thickness of the low heat-conducting cushion layer 5 and the elastic cushion layer 4,
other plates were selected as follows:
the processed plate is a PVC non-toxic plastic plate with the thickness of 0.5 cm and the heat conductivity coefficient of 0.180/W/mK;
the low heat-conducting cushion layer 5 is a composite material blockboard, the thickness of the low heat-conducting cushion layer is 2.0 cm, and the heat-conducting coefficient is 0.130/W/m ℃;
the elastic cushion layer 4 is a rubber sheet with the thickness of 2.0 cm and the elastic modulus of 0.140/E/Gpa.
Example 2 hot-pressing die with low heat conduction cushion layer 5 and elastic cushion layer 4 on flat area outside product frame of die steel upper die 1
The hot-pressing die with multiple heat conduction effects in different areas comprises an upper die steel die 1 and a lower die steel die 2 which are matched, wherein the upper die steel die 1 is arranged above the lower die steel die 2, one or more plane areas of formed products are arranged in a product forming frame or outside the product forming frame of the upper die steel die 1, the upper die steel die 1 is provided with a recess 3 in the plane area of the formed products, and an elastic cushion layer 4 and a low heat conduction cushion layer 5 are arranged in the recess 3; the bottom of the recess 3 is adhered with an elastic cushion layer 4, and a low heat conduction cushion layer 5 is positioned on the elastic cushion layer 4 and adhered with the elastic cushion layer 4.
When the low heat-conducting cushion layer 5 protrudes 0.8 cm from the surface of the mould, or the low heat-conducting cushion layer 5 protrudes 0.5-3.0 cm from the surface of the mould according to the thickness of the low heat-conducting cushion layer 5 and the elastic cushion layer 4,
other plates were selected as follows:
the processed plate is a PVC non-toxic plastic plate with the thickness of 0.5 cm and the heat conductivity coefficient of 0.180/W/mK;
the low heat-conducting cushion layer 5 is a composite material blockboard, the thickness of the low heat-conducting cushion layer is 2.0 cm, and the heat-conducting coefficient is 0.130/W/m ℃;
the elastic cushion layer 4 is a rubber sheet with the thickness of 2.0 cm and the elastic modulus of 0.140/E/Gpa.
Claims (10)
1. Different regions have multiple heat conduction effect's heated press mold, construct mould (1), mould steel lower mould (2) on including matched with mould steel, mould steel upper die (1) is located the top of mould steel lower mould (2), its characterized in that on the mould steel: in the plane area of one or more formed products in the product forming frame or outside the product forming frame of the die steel lower die (2), the die steel lower die (2) is provided with a recess (3) in the plane area of the formed products, and an elastic cushion layer (4) and a low heat conduction cushion layer (5) are arranged in the recess (3); the bottom of the recess (3) is adjacent to the elastic cushion layer (4), the low heat conduction cushion layer (5) is positioned on the elastic cushion layer (4), and the low heat conduction cushion layer (5) protrudes out of the product forming plane of the lower die (2) of the die steel by 0.5-3.0 cm.
2. The hot pressing mold with multiple heat conduction effects in different areas according to claim 1, wherein: the elastic modulus of the elastic cushion layer (4) is 0.070-0.200/E/Gpa.
3. The hot pressing mold with multiple heat conduction effects in different areas according to claim 1, wherein: the elastic cushion layer (4) is one of a rubber sheet or a soft plastic sheet.
4. The hot pressing mold with multiple heat conduction effects in different areas according to claim 1, wherein: the heat conductivity coefficient of the low heat conduction cushion layer (5) is 0.100-0.250/W/m ℃.
5. The hot pressing mold with multiple heat conduction effects in different areas according to claim 1, wherein: the low heat conduction cushion layer (5) is one of a wood board, a composite material blockboard and a plastic board.
6. Different regions have multiple heat conduction effect's heated press mold, construct mould (1), mould steel lower mould (2) on including matched with mould steel, mould steel upper die (1) is located the top of mould steel lower mould (2), its characterized in that on the mould steel: in the plane area of one or more formed products in the product forming frame or outside the product forming frame of the upper die (1) made of die steel, the upper die (1) made of die steel is provided with a recess (3) in the plane area of the formed products, and an elastic cushion layer (4) and a low heat conduction cushion layer (5) are arranged in the recess (3); an elastic cushion layer (4) is pasted at the bottom of the recess (3), the low heat conduction cushion layer (5) is positioned on the elastic cushion layer (4) and pasted with the elastic cushion layer, and the low heat conduction cushion layer (5) protrudes out of a product forming plane of the upper die (1) of the die steel by 0.5-3.0 cm.
7. The hot pressing mold with multiple heat conduction effects in different areas according to claim 6, wherein: the elastic modulus of the elastic cushion layer (4) is 0.070-0.200/E/Gpa.
8. The hot pressing mold with multiple heat conduction effects in different areas according to claim 6, wherein: the elastic cushion layer (4) is one of a rubber sheet or a soft plastic sheet.
9. The hot pressing mold with multiple heat conduction effects in different areas according to claim 6, wherein: the heat conductivity coefficient of the low heat conduction cushion layer (5) is 0.100-0.250/W/m ℃.
10. The hot pressing mold with multiple heat conduction effects in different areas according to claim 6, wherein: the low heat conduction cushion layer (5) is one of a wood board, a composite material blockboard and a plastic board.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920570449.XU CN210082391U (en) | 2019-04-18 | 2019-04-18 | Hot-pressing mould with multiple heat conduction effects in different areas |
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| CN201920570449.XU CN210082391U (en) | 2019-04-18 | 2019-04-18 | Hot-pressing mould with multiple heat conduction effects in different areas |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110936589A (en) * | 2019-04-18 | 2020-03-31 | 陈鹏 | Hot-pressing mould with multiple heat conduction effects in different areas |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110936589A (en) * | 2019-04-18 | 2020-03-31 | 陈鹏 | Hot-pressing mould with multiple heat conduction effects in different areas |
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Effective date of registration: 20220830 Address after: 523000 Industrial Zone, Baisha three village, Humen Town, Guangdong, Dongguan Patentee after: DONGGUAN YUESHUO BUILDING FACTORY Co.,Ltd. Address before: Group 9, Songbai Village, Hexing Township, Zhongjiang County, Sichuan Province 618100 Patentee before: Chen Peng |