CN210792383U - Even hot pressboard of heating - Google Patents
Even hot pressboard of heating Download PDFInfo
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- CN210792383U CN210792383U CN201921617634.6U CN201921617634U CN210792383U CN 210792383 U CN210792383 U CN 210792383U CN 201921617634 U CN201921617634 U CN 201921617634U CN 210792383 U CN210792383 U CN 210792383U
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- heat medium
- pipe
- heat
- pipes
- heating
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Abstract
The utility model discloses a heat pressing plate with even heating, including the heat pressing plate body, be equipped with two on the heat pressing plate body and parallel and from left to right zigzag extension's heat medium passageway, heat medium supply line, heat medium return line are connected respectively to one of them heat medium passageway left and right sides both ends, heat medium return line is connected respectively to the left and right sides both ends of another heat medium passageway, heat medium supply line, the heat medium supply line that is located the right side, be connected with communicating pipe between the heat medium return line and install first control flap, second control flap respectively, install third control flap on communicating pipe. The utility model discloses following beneficial effect has: the heat medium circulates along the two heat medium circulation paths during hot pressing, so that the temperature reduction caused by heat dissipation in the circulation process can be mutually compensated, the temperatures of all parts of the hot pressing plate are the same, and the processing quality of the workpiece is improved; the circulation path of the heating medium can be lengthened during heat preservation, heat is fully utilized, and energy loss is reduced.
Description
Technical Field
The utility model relates to a hot press field, specific heating platen that heats is even that says so.
Background
The hot press is a mechanical device for producing composite materials by pressurizing and heating, and generally comprises two or more layers of hot press plates, wherein the hot press plates have a heating function, and the materials are heated and pressurized by utilizing the extrusion between the hot press plates, and are shaped to form the required composite materials.
The hot press plate is the core component of the hot press, and the heating performance of the hot press plate directly influences the quality of the produced composite material. Current hot pressboard is mostly the heat medium heating formula, and it includes the hot pressboard body, and this internal heat medium passageway that is equipped with from the one end of hot pressboard to the tortuous extension of the other end of hot pressboard, heat medium confession pipeline is connected to the one end of heat medium passageway, and heat medium return line is connected to the other end of heat medium passageway.
The disadvantages of such hot pressboards are: the temperature of the heating medium is gradually reduced in the flowing process of the heating medium in the heating medium channel, so that the heating of the hot pressing plate is uneven, and the processing quality of the workpiece is affected.
Disclosure of Invention
The utility model aims at the above-mentioned problem provide an even hot pressboard of heating, realize the even heating to the work piece.
In order to achieve the purpose, the utility model discloses a hot pressboard body, its structural feature is be equipped with two parallels on the hot pressboard body and from left to right zigzag the heat medium passageway that extends, heat medium supply line, heat medium return line are connected respectively to both ends about one of them heat medium passageway, and heat medium return line, heat medium supply line are connected respectively to both ends about another heat medium passageway. The working mode of the hot pressing plate is as follows: one of the heat medium channels and the heat medium supply pipeline and the heat medium return pipeline connected with the heat medium channel form a heat medium circulation path, the other of the heat medium channels and the heat medium supply pipeline and the heat medium return pipeline connected with the heat medium channel form another heat medium circulation path, and the two heat medium circulation paths can simultaneously circulate heat media, such as high-temperature water, heating oil and the like. The heating media circulate in the opposite directions in the two parallel heating medium circulation paths, so that the problem of temperature reduction caused by heat dissipation in the circulation process can be mutually solved, the heating uniformity of the hot pressing plate body is kept, the temperatures of all parts of the hot pressing plate are the same, the workpiece is uniformly heated, and the processing quality of the workpiece is improved.
A plurality of mounting holes penetrating through the front side and the rear side are formed in the hot pressing plate body at intervals on the left and right, and the number of the mounting holes is an integral multiple of four; the heat medium channel comprises heat medium pipes inserted in the mounting holes and U-shaped connecting pipes for connecting the heat medium pipes; on the rear side of the hot pressing plate body, the two leftmost heating medium pipes and the two rightmost heating medium pipes form a group, the group of heating medium pipes is sequentially connected with a heating medium supply pipeline, a heating medium return pipeline, a heating medium supply pipeline and a heating medium return pipeline from left to right, and the rest heating medium pipes are respectively communicated with one another through a U-shaped connecting pipe; on the front side of the hot pressing plate body, every four heat medium pipes form a group, and the two heat medium pipes on the outermost side and the two heat medium pipes on the innermost side in each group are respectively communicated through a U-shaped connecting pipe. After the structure is adopted, two parallel heat medium channels are formed by utilizing the special connection mode of the U-shaped connecting pipe and the heat medium pipe. The hot pressing plate body is heated by circulating a heat medium in the heat medium pipe, and the U-shaped connecting pipe is used for connecting the heat medium pipes. The U-shaped connecting pipe can be dismantled from the heat medium pipe, and the heat medium pipe is taken out from the mounting hole, and the installation of heat medium pipe and U-shaped connecting pipe is all more convenient with the dismantlement, and it can clear up the dirt in its hole to pull down the heat medium pipe, convenient maintenance.
The hot pressing plate comprises a hot pressing plate body and is characterized in that buckle covers are respectively arranged on the front side face and the rear side face of the hot pressing plate body, accommodating cavities are formed in the buckle covers, and U-shaped connecting pipes located on the two sides of the hot pressing plate body are respectively located in the accommodating cavities of different buckle covers. The hot pressboard body is the main part of hot pressboard, and its upper surface or lower surface do not contact with the work piece direct contact at the both sides of hot pressboard body, buckle closure mainly used protection U-shaped connecting pipe, and the buckle closure can be dismantled, makes things convenient for the dismouting of U-shaped connecting pipe.
The buckle cover is fixed on the hot pressing plate body through a screw. The mode of adopting the screw connection makes the dismouting of buckle closure more convenient.
A first control valve and a second control valve are respectively arranged on the heat medium supply pipeline and the heat medium return pipeline which are positioned on the right side, a communicating pipe is connected between the heat medium supply pipeline and the heat medium return pipeline, one end of the communicating pipe is connected with the position, between the first control valve and the heat medium pipe, of the heat medium supply pipeline, the other end of the communicating pipe is connected with the position, between the second control valve and the heat medium pipe, of the heat medium return pipeline, and a third control valve is arranged on the communicating pipe. After adopting above-mentioned structure, this hot pressboard has two kinds of operating condition. In one working state, the first control valve and the second control valve are opened, and the third control valve is closed, so that two parallel heating medium circulation paths with opposite flow directions are formed for hot pressing. When the hot press plate is in another working state, the first control valve and the second control valve are closed, the third control valve is opened, the original two parallel hot medium circulation paths are connected in series to form a longer hot medium circulation path, the circulation time of the hot medium in the hot press plate is increased, the hot press plate can be insulated when no workpiece is machined, the circulation time of the hot medium is increased due to the lengthened hot medium circulation path, heat can be fully utilized, and energy loss is reduced.
The U-shaped connecting pipe is connected with the heat medium pipe through a connecting nut, one end of the connecting nut is rotatably connected onto the U-shaped connecting pipe, the other end of the connecting nut is screwed on the heat medium pipe, a sealing washer is installed in the connecting nut, and the sealing washer is located between the U-shaped connecting pipe and the heat medium pipe. After the structure is adopted, the pipe orifice of the U-shaped connecting pipe can be opposite to the pipe orifice of the heating medium pipe when the U-shaped connecting pipe is installed, the U-shaped connecting pipe and the heating medium pipe are connected together by screwing the connecting nut, and the sealing washer is extruded between the U-shaped connecting pipe and the heating medium pipe after being screwed to play a good sealing role.
To sum up, the utility model discloses following beneficial effect has: during hot pressing, the heat medium circulates along two parallel heat medium circulation paths with opposite flow directions, so that the temperature reduction caused by heat dissipation in the circulation process can be mutually compensated, the temperatures of all parts of the hot pressing plate are the same, and the processing quality of the workpiece is improved; when in heat preservation, the two heat medium circulation paths can be connected in series, the circulation paths of the heat medium are lengthened, heat can be fully utilized, and energy loss is reduced.
Drawings
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings:
fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second embodiment of the present invention;
FIG. 3 is a schematic structural view of a connection mode between a U-shaped pipe and a heat medium pipe according to the present invention;
FIG. 4 is a schematic view of a heating medium flow path in one of the operating states of the present invention;
fig. 5 is a schematic view of the heat medium flow path in another operating state of the present invention.
Detailed Description
Referring to fig. 1, in the first embodiment of the present invention, the hot pressing plate with uniform heating includes a hot pressing plate body 1, two parallel hot medium channels 2 extending from left to right are arranged on the hot pressing plate body 1, a hot medium supply pipeline 3 and a hot medium return pipeline 4 are respectively connected to both ends of one of the hot medium channels 2, and a hot medium return pipeline 4 and a hot medium supply pipeline 3 are respectively connected to both ends of the other hot medium channel 2.
Referring to fig. 1 and 4, the hot press plate operates as follows: one of the heat medium passages 2 and the heat medium supply passage 3 and the heat medium return passage 4 connected thereto form a heat medium flow path, and the other of the heat medium passages 2 and the heat medium supply passage 3 and the heat medium return passage 4 connected thereto form another heat medium flow path, and the two heat medium flow paths can simultaneously flow heat media such as high-temperature water, heating oil, and the like. Arrows in fig. 1 indicate the direction of inflow and outflow of the heat medium, and paths and arrows in fig. 4 indicate two heat medium flow paths and the flow direction of the heat medium. The heating media circulate in the opposite directions in the two parallel heating medium circulation paths, so that the problem of temperature reduction caused by heat dissipation in the circulation process can be mutually solved, the heating uniformity of the hot pressing plate body 1 is kept, the temperatures of all parts of the hot pressing plate are the same, the workpiece is uniformly heated, and the processing quality of the workpiece is improved.
Referring to fig. 2, the second embodiment of the present invention is further improved on the basis of the first embodiment, a plurality of mounting holes 5 penetrating through the front and rear sides are arranged on the improved hot pressboard body 1 at intervals from left to right, and the number of the mounting holes 5 is an integral multiple of four; the heat medium channel 2 comprises heat medium pipes 6 inserted in the mounting holes 5 and U-shaped connecting pipes 7 for connecting the heat medium pipes 6; on the rear side of the hot pressing plate body 1, the two leftmost heating medium pipes 6 and the two rightmost heating medium pipes 6 form a group, the group of heating medium pipes 6 are sequentially connected with a heating medium supply pipeline 3, a heating medium return pipeline 4, a heating medium supply pipeline 3 and a heating medium return pipeline 4 from left to right, and every four other heating medium pipes 6 form a group, and the two outermost heating medium pipes 6 and the two innermost heating medium pipes 6 in each group are respectively communicated through a U-shaped connecting pipe 7; on the front side of the hot press plate body 1, every four heat medium pipes 6 are grouped in one group and the outermost two heat medium pipes 6 and the innermost two heat medium pipes 6 in each group are respectively communicated through a U-shaped connecting pipe 7. After the structure is adopted, two parallel heat medium channels 2 are formed by utilizing the special connection mode of the U-shaped connecting pipe 7 and the heat medium pipe 6. A heat medium flows through the heat medium pipes 6 to heat the hot press plate body 1, and the U-shaped connecting pipe 7 is used for connecting the heat medium pipes 6. U-shaped connecting pipe 7 can be followed heat medium pipe 6 and dismantled, and heat medium pipe 6 is taken out from mounting hole 5, and the installation of heat medium pipe 6 and U-shaped connecting pipe 7 is all more convenient with the dismantlement, and it can clear up the dirt in its hole to pull down heat medium pipe 6, convenient maintenance.
Referring to fig. 2, in a further modification of the second embodiment, a buckle cover 8 is respectively installed on the front and rear side surfaces of the hot pressboard body 1, an accommodating cavity is formed on the buckle cover 8, and the U-shaped connecting pipes 7 located on the two sides of the hot pressboard body 1 are respectively located in the accommodating cavities of different buckle covers 8. The hot pressboard body 1 is the main part of hot pressboard, and its upper surface or lower surface are with work piece direct contact, and buckle closure 8 is installed and is not contacted with the work piece in the both sides of hot pressboard body 1, and buckle closure 8 mainly used protects U-shaped connecting pipe 7, and buckle closure 8 can be dismantled, makes things convenient for the dismouting of U-shaped connecting pipe 7. The buckle cover 8 is fixed on the hot pressing board body 1 through a screw 9. The mode of adopting screw 9 to connect makes buckle closure 8's dismouting more convenient.
Referring to fig. 2, the second embodiment of the present invention is further modified as follows: a first control valve 10 and a second control valve 11 are respectively installed on the heat medium supply pipeline 3 and the heat medium return pipeline 4 which are positioned on the right side, a communicating pipe 12 is connected between the heat medium supply pipeline 3 and the heat medium return pipeline 4, one end of the communicating pipe 12 is connected with the part of the heat medium supply pipeline 3 which is positioned between the first control valve 10 and the heat medium pipe 6, the other end of the communicating pipe 12 is connected with the part of the heat medium return pipeline 4 which is positioned between the second control valve 11 and the heat medium pipe 6, and a third control valve 13 is installed on the communicating pipe 12. After adopting above-mentioned structure, this hot pressboard has two kinds of operating condition. In one of the operating states, the first control valve 10 and the second control valve 11 are opened, and the third control valve 13 is closed, thereby forming two parallel heat medium flow paths with opposite flow directions for hot pressing. In another working state, the first control valve 10 and the second control valve 11 are closed, the third control valve 13 is opened, the original two parallel heating medium flow paths are connected in series to form a longer heating medium flow path, the series-connected heating medium flow paths can be referred to as figure 5, the circulation time of the heating medium in the hot pressing plate can be prolonged after the heating medium flow paths are changed, the hot pressing plate can be insulated when no workpiece is machined, the circulation time of the heating medium is prolonged due to the fact that the circulation time of the heating medium is prolonged, heat can be fully utilized, and energy loss is reduced.
Referring to fig. 3, in order to connect the U-shaped connection pipe 7 and the heat medium pipe 6 through the connection nut 14, one end of the connection nut 14 is rotatably connected to the U-shaped connection pipe 7, the other end of the connection nut 14 is screwed to the heat medium pipe 6, a sealing washer 15 is installed in the connection nut 14, and the sealing washer 15 is located between the U-shaped connection pipe 7 and the heat medium pipe 6. After the structure is adopted, when the U-shaped connecting pipe 7 is installed, the pipe orifice of the U-shaped connecting pipe 7 is opposite to the pipe orifice of the heat medium pipe 6, the U-shaped connecting pipe 7 and the heat medium pipe 6 are connected together by screwing the connecting nut 14, and the sealing washer 15 is extruded between the U-shaped connecting pipe 7 and the heat medium pipe 6 after being screwed to play a good sealing role. Of course, the connection between the U-shaped connection pipe 7 and the heat medium pipe 6 may be made in other manners, for example, by providing a connector between the U-shaped connection pipe 7 and the heat medium pipe 6, and connecting the two together by using the connector.
To sum up, the present invention is not limited to the above-mentioned specific embodiments. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and all such changes and modifications are intended to be within the scope of the present invention.
Claims (6)
1. The utility model provides a heat pressboard that heating is even, includes hot pressboard body (1), characterized by be equipped with two parallels and from left to right zigzag extension heat medium passageway (2) on hot pressboard body (1), heat medium supply line (3), heat medium return line (4) are connected respectively to both ends about one of them heat medium passageway (2), and heat medium return line (4), heat medium supply line (3) are connected respectively to both ends about another heat medium passageway (2).
2. The uniformly heated hot press plate according to claim 1, wherein a plurality of mounting holes (5) penetrating through the front and rear sides are formed in the hot press plate body (1) at intervals in the left and right direction, and the number of the mounting holes (5) is an integral multiple of four; the heat medium channel (2) comprises heat medium pipes (6) inserted in the mounting holes (5) and U-shaped connecting pipes (7) for connecting the heat medium pipes (6); on the rear side of the hot pressing plate body (1), the two heat medium pipes (6) on the leftmost side and the two heat medium pipes (6) on the rightmost side are in a group, the group of heat medium pipes (6) is sequentially connected with a heat medium supply pipeline (3), a heat medium return pipeline (4), the heat medium supply pipeline (3) and the heat medium return pipeline (4) from left to right, the rest heat medium pipes (6) are in four groups, and the two heat medium pipes (6) on the outermost side and the two heat medium pipes (6) on the innermost side in each group are respectively communicated through a U-shaped connecting pipe (7); on the front side of the hot pressing plate body (1), every four heat medium pipes (6) form a group, and the two heat medium pipes (6) on the outermost side and the two heat medium pipes (6) on the innermost side in each group are respectively communicated through a U-shaped connecting pipe (7).
3. The uniformly heated hot press plate according to claim 2, wherein the hot press plate body (1) is provided with a buckle cover (8) on each of the front and rear sides thereof, the buckle cover (8) is provided with an accommodating cavity, and the U-shaped connecting pipes (7) on both sides of the hot press plate body (1) are respectively arranged in the accommodating cavities of different buckle covers (8).
4. A hot press plate with uniform heating according to claim 3, characterized in that the cover (8) is fixed on the hot press plate body (1) by screws (9).
5. The uniformly heated hot press plate according to claim 2, wherein the heat medium supply line (3) and the heat medium return line (4) on the right side are respectively provided with a first control valve (10) and a second control valve (11), a communication pipe (12) is connected between the heat medium supply line (3) and the heat medium return line (4), one end of the communication pipe (12) is connected with a portion of the heat medium supply line (3) between the first control valve (10) and the heat medium pipe (6), the other end of the communication pipe (12) is connected with a portion of the heat medium return line (4) between the second control valve (11) and the heat medium pipe (6), and the communication pipe (12) is provided with a third control valve (13).
6. The uniformly heated hot press plate as claimed in any one of claims 2 to 5, wherein the U-shaped connecting pipe (7) is connected to the heating medium pipe (6) through a connecting nut (14), one end of the connecting nut (14) is rotatably connected to the U-shaped connecting pipe (7), the other end of the connecting nut (14) is screwed to the heating medium pipe (6), a sealing washer (15) is installed in the connecting nut (14), and the sealing washer (15) is located between the U-shaped connecting pipe (7) and the heating medium pipe (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921617634.6U CN210792383U (en) | 2019-09-26 | 2019-09-26 | Even hot pressboard of heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921617634.6U CN210792383U (en) | 2019-09-26 | 2019-09-26 | Even hot pressboard of heating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210792383U true CN210792383U (en) | 2020-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921617634.6U Expired - Fee Related CN210792383U (en) | 2019-09-26 | 2019-09-26 | Even hot pressboard of heating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210792383U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112440350A (en) * | 2020-12-11 | 2021-03-05 | 青岛国森机械有限公司 | Method for preventing deformation of hot pressing plate in forming process of recombination material |
-
2019
- 2019-09-26 CN CN201921617634.6U patent/CN210792383U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112440350A (en) * | 2020-12-11 | 2021-03-05 | 青岛国森机械有限公司 | Method for preventing deformation of hot pressing plate in forming process of recombination material |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200619 Termination date: 20210926 |
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| CF01 | Termination of patent right due to non-payment of annual fee |