CN210210748U - Hot press for producing composite board - Google Patents
Hot press for producing composite board Download PDFInfo
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- CN210210748U CN210210748U CN201920719194.9U CN201920719194U CN210210748U CN 210210748 U CN210210748 U CN 210210748U CN 201920719194 U CN201920719194 U CN 201920719194U CN 210210748 U CN210210748 U CN 210210748U
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Abstract
The utility model discloses a hot press for producing composite sheet uses at plank processing technology field, and its technical scheme main points are: the hot pressing plate comprises an upper pressing plate and a lower pressing plate, a containing groove for placing a composite plate is formed between the upper pressing plate and the lower pressing plate, a hydraulic cylinder for lifting the upper pressing plate is mounted on the rack, the output end of the hydraulic cylinder is connected to the upper pressing plate, cavities, an oil inlet and an oil outlet which are communicated with the cavities and used for circulating flow of heat conduction oil are formed in the upper pressing plate and the lower pressing plate, the oil inlet and the oil outlet are connected to the heating station through an oil pipeline, and a metal hose is connected between the oil inlet in the upper pressing plate and the oil pipeline through a flange; has the technical effects that: the melamine impregnated paper is more smoothly and compactly bonded on the composite board through the high-temperature hot-press molding of the hot press.
Description
Technical Field
The utility model relates to a plank processing technology field, in particular to a hot press for producing composite sheet.
Background
Nowadays, composite boards are increasingly used in people's daily life. The manufacturing method is characterized in that the melamine impregnated paper is often matched with the melamine impregnated paper in the manufacturing process of the plate, the gluing surfaces of the melamine impregnated paper are firstly paved on two sides of the composite plate, then the composite plate paved with the melamine impregnated paper is placed between hot press plates of a hot press, and the melamine impregnated paper is enabled to be more smoothly and compactly bonded on the composite plate through high-temperature hot press molding. Because of the difficulty of artificially producing the composite board, a hot press capable of rapidly producing the composite board is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a hot press for producing composite sheet, its advantage is: the melamine impregnated paper is more smoothly and compactly bonded on the composite board through the high-temperature hot-press molding of the hot press.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a hot press for producing composite sheet, includes heating station, frame, hot pressboard and oil pipe way, the hot pressboard includes top board and holding down plate, be formed with the holding tank of placing the composite sheet between top board and the holding down plate, install the pneumatic cylinder that is used for going up and down the top board in the frame, the output of pneumatic cylinder is connected on the top board, all be equipped with the cavity in top board and the holding down plate to and the oil inlet and the oil-out that supply the conduction oil circulation flow with the cavity intercommunication, oil inlet and oil-out are connected to the heating station through oil pipe way, flange joint has metal collapsible tube between oil inlet on the top board and the oil pipe way.
According to the technical scheme, heat conducting oil enters cavities of the upper pressing plate and the lower pressing plate from an oil inlet through an oil pipeline and flows out of an oil outlet to a heating station to form a heating circulation system, the heating pressing plate is continuously heated, an operator firstly lays glue coated surfaces of melamine impregnated paper on two sides of the composite plate, then places the composite plate with the well laid melamine impregnated paper on a workbench of a hot press, then pushes the composite plate into a containing groove between the upper pressing plate and the lower pressing plate, the upper pressing plate moves downwards to the composite plate through a driving hydraulic cylinder and further applies pressure to the composite plate, the composite plate is firmly compacted between the upper pressing plate and the lower pressing plate at the moment, the hot pressing plate transmits heat to the surface of the composite plate, the composite plate is subjected to high-temperature hot press molding, the melamine impregnated paper is flatly and densely adhered to the composite plate, and then the hydraulic cylinder is driven, so that the upper pressing plate moves upwards, and at the moment, the operator takes the composite plate out of the accommodating groove onto the workbench to finish production.
The utility model discloses further set up to: the oil inlet on the hot pressboard has been seted up a plurality ofly, one side that holding tank was kept away from to top board and holding down plate all is equipped with an oil collecting pipe, two a plurality of branch oil pipe of being connected with the oil inlet one-to-one are seted up towards the one end of hot pressboard to the oil collecting pipe, two oil collecting pipe deviates from the one end of hot pressboard and has seted up delivery oil pipe, is located delivery oil pipe and the metal collapsible tube flange joint of top board one side are located delivery oil pipe and the oil pipe way flange joint of holding down plate one side.
Through above-mentioned technical scheme, in the conduction oil can get into the collection oil pipe from carrying oil pipe, evenly flows to a plurality of oil inlets through branch oil pipe to in flowing into the hot pressboard, a plurality of oil inlets help the conduction oil evenly to fill in the cavity of top board and holding down plate, realize the quick even intensification of hot pressboard, guaranteed the hot pressing quality of the composite sheet between the hot pressboard.
The utility model discloses further set up to: one side cladding that is used for the pressfitting composite sheet on the hot pressboard has one deck corrosion resistant plate, be equipped with the buffer layer between corrosion resistant plate and the hot pressboard, the buffer layer material is high temperature silica gel.
Through the technical scheme, the buffer layer is beneficial to the stainless steel plate to be attached to the composite plate without gaps under the effect of the hot pressing plate, the effect of increasing the flatness of the hot pressing plate is achieved, the hot pressing plate is convenient to press the composite plate better, the melamine impregnated paper is enabled to be bonded to the composite plate more smoothly and compactly, and the quality of the composite plate is improved.
The utility model discloses further set up to: manual ball valves are connected between the oil inlets and the oil distribution pipe and between the oil outlets and the oil pipelines through flanges.
Through above-mentioned technical scheme, when needs overhauld or change the work to top board or holding down plate, operating personnel can the twist grip close manual ball valve, and then has blockked the circulation flow of conduction oil in top board and holding down plate cavity, and operating personnel can dismantle oil inlet and oil-out from manual ball valve this moment, makes the separation of top board and pneumatic cylinder junction simultaneously, then takes out top board or holding down plate from the frame. The manual ball valve is arranged to help an operator to cut off the circulation of the heat conducting oil in the pipeline at any time, so that the overhaul or replacement work of the upper pressing plate or the lower pressing plate can be better realized.
The utility model discloses further set up to: first cooling coil pipes are uniformly arranged in cavities of the upper pressing plate and the lower pressing plate, and the inlet and the outlet of each first cooling coil pipe extend out of the upper pressing plate and the lower pressing plate and are connected with a three-way ball valve through flanges.
Through above-mentioned technical scheme, after the composite sheet is pressed into the molding between top board and holding down plate, lead to the cooling water toward first cooling coil intraductal, can make the composite sheet under the high temperature state at the faster cooling under the effect of cooling water, avoided the composite sheet not yet to be taken out under the refrigerated state and cause scald to the staff, reduced the time that the composite sheet cooled down the wait naturally simultaneously, improved the work efficiency of hot press.
The utility model discloses further set up to: the lateral wall of top board and holding down plate all is equipped with one deck sandwich panel along the periphery, install temperature sensor on the sandwich panel, the equipartition has been put between sandwich panel and top board, the holding down plate second cooling coil, outside second cooling coil's exit extends top board and holding down plate, and flange joint is in on the tee bend ball valve.
Through above-mentioned technical scheme, when the temperature that temperature sensor shows exceeded 60 ℃, just lead to the cooling water in the second cooling coil for sandwich panel surface temperature falls to about 30 ℃ fast, then stops to lead to the cooling water in the second cooling coil, under the condition of guaranteeing the normal operating temperature of hot press, the lateral wall temperature of control top board and holding down plate is in human adaptable within range, has reduced the possibility that operating personnel was scalded, has improved the security in the hot press working process.
The utility model discloses further set up to: and the upper pressing plate and the lower pressing plate are both provided with sewage outlets communicated with the cavity, and the sewage outlets are in threaded connection with screw thread ball valves.
Through above-mentioned technical scheme, set up the drain and can make the conduction oil in top board and the lower pressure plate cavity discharge away, be convenient for wash the inside long-term remaining greasy dirt of conduction oil of cavity, ensure the heat transfer effect of hot pressboard to guarantee the pressfitting quality of composite sheet.
The utility model discloses further set up to: the oil collecting pipe, the oil distributing pipe, the oil conveying pipe and the oil pipeline are wrapped with heat insulating layers, and a layer of galvanized plate is laid on the outer surface of each heat insulating layer.
Through above-mentioned technical scheme, the heat preservation set up the side and play certain heat preservation effect to the conduction oil in the pipeline, reduce calorific loss to satisfy the normal operating temperature's of hot press demand, on the other hand plays thermal-insulated effect, reduces the temperature of heat preservation surface, avoids the emergence of scald accident.
To sum up, the utility model discloses following beneficial effect has:
1. an operator pushes the composite board paved with the melamine impregnated paper into the accommodating groove from the workbench, the upper pressing plate moves downwards and applies pressure to the composite board by driving the hydraulic cylinder, the composite board is compacted between the upper pressing plate and the lower pressing plate at the moment, the hot pressing plate transmits heat to the surface of the composite board, and the composite board is subjected to high-temperature hot-press molding;
2. the buffer layer helps the stainless steel plate to be attached to the composite board without gaps under the effect of the hot pressing board, the effect of improving the flatness of the hot pressing board is achieved, the hot pressing board can be conveniently pressed to the composite board better, the melamine impregnated paper can be bonded to the composite board more smoothly and compactly, and the quality of the composite board is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present embodiment.
Fig. 2 is a schematic structural diagram for embodying the upper platen and the lower platen in the present embodiment.
Fig. 3 is a schematic diagram of the present embodiment for embodying the structure of the cooling coil.
Fig. 4 is a schematic diagram for showing the internal structure of the upper platen and the lower platen in the present embodiment.
Reference numerals: 1. a heating station; 2. a frame; 3. hot pressing plate; 31. an upper pressure plate; 32. a lower pressing plate; 4. accommodating grooves; 5. a hydraulic cylinder; 6. a cavity; 7. an oil inlet; 8. an oil outlet; 9. an oil conduit; 10. a metal hose; 11. an oil collecting pipe; 12. an oil distributing pipe; 13. a delivery tubing; 14. a stainless steel plate; 15. a buffer layer; 16. a manual ball valve; 17. a first cooling coil; 18. a three-way ball valve; 19. a sandwich panel; 20. a temperature sensor; 21. a second cooling coil; 22. a sewage draining outlet; 23. a threaded ball valve; 24. a heat-insulating layer; 25. a galvanized sheet.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b): a hot press for producing composite plates is disclosed, as shown in figures 1 and 2, and comprises a heating station 1, a frame 2, a hot press plate 3 and an oil pipeline 9, wherein the hot press plate 3 comprises an upper press plate 31 and a lower press plate 32, a containing groove 4 for placing the composite plates is formed between the upper press plate 31 and the lower press plate 32, a hydraulic cylinder 5 for lifting the upper press plate 31 is installed on the frame 2, the output end of the hydraulic cylinder 5 is connected to the upper press plate 31, cavities 6 (as shown in figure 4) are respectively arranged in the upper press plate 31 and the lower press plate 32, an oil inlet 7 and an oil outlet 8 which are communicated with the cavities 6 and are used for circulating and flowing of heat conducting oil, the oil inlet 7 and the oil outlet 8 are connected to the heating station 1 through the oil pipeline 9, a metal hose 10 is connected between the oil inlet 7 on the upper press plate 31 and the oil pipeline 9 in a flange manner, one side of the hot press plate 3 used for pressing the composite plates is coated, the buffer layer 15 is made of high-temperature silica gel, the temperature resistance of the high-temperature silica gel can reach 350 ℃, the buffer layer is prepared by refining phenyl silicone rubber and fumed silica serving as main raw materials and a high-temperature-resistant auxiliary agent, and the buffer layer is soft in texture and high in resilience.
As shown in fig. 1 and fig. 2, heat conducting oil enters a cavity 6 (as shown in fig. 4) of an upper pressing plate 31 and a lower pressing plate 32 from an oil inlet 7 through an oil pipeline 9 and flows out of an oil outlet 8 to a heating station 1 to form a heating circulation system, the heating pressing plate 3 is continuously heated, an operator firstly lays glue-coated surfaces of melamine impregnated paper on two sides of a composite board, then places the composite board with the laid melamine impregnated paper on a workbench of a hot press, then pushes the composite board into a holding tank 4, drives a hydraulic cylinder 5 to enable the upper pressing plate 31 to move downwards to the composite board and further presses the composite board, at the moment, the composite board is firmly compacted between the upper pressing plate 31 and the lower pressing plate 32, the hot pressing plate 3 transfers heat to the surface of the composite board, and carries out high-temperature hot-press molding on the composite board, so that the melamine impregnated paper is flatly and densely, and then the hydraulic cylinder 5 is driven to enable the upper pressing plate 31 to move upwards, and at the moment, the operator takes the composite plate out of the accommodating groove 4 to the workbench to finish production. The buffer layer 15 is helpful for the stainless steel plate 14 to be attached to the composite plate without a gap under the action of the hot pressing plate 3, so that the flatness of the hot pressing plate 3 is increased, the hot pressing plate 3 can be conveniently and better pressed to the composite plate, and the quality of the composite plate is improved.
As shown in fig. 1 and 2, four oil inlets 7 are formed in the hot press plate 3, oil collecting pipes 11 are respectively arranged on one sides of the upper press plate 31 and the lower press plate 32 away from the accommodating groove 4, four oil distributing pipes 12 connected with the oil inlets 7 in a one-to-one correspondence are formed in one ends of the two oil collecting pipes 11 facing the hot press plate 3, oil conveying pipes 13 are formed in one ends of the two oil collecting pipes 11 away from the hot press plate 3, the oil conveying pipes 13 located on one side of the upper press plate 31 are connected with the metal hose 10 in a flange mode, the oil conveying pipes 13 located on one side of the lower press plate 32 are connected with the oil pipeline 9 in a flange mode, and manual ball valves 16 are connected between the oil inlets 7. The heat conduction oil can enter the oil collecting pipe 11 from the oil conveying pipe 13 and uniformly flow to the four oil inlets 7 through the oil distributing pipe 12, so that the heat conduction oil can flow into the hot pressing plate 3, the four oil inlets 7 are beneficial to uniformly filling the heat conduction oil in the cavity 6 (shown in figure 4), the hot pressing plate 3 is rapidly and uniformly heated, and the hot pressing quality of the composite plate between the hot pressing plates 3 is ensured. An operator can rotate the handle to close the manual ball valve 16, and further the circulation flow of heat conduction oil in the cavity 6 is blocked, at the moment, the oil inlet 7 and the oil outlet 8 are detached from the manual ball valve 16, the joint of the upper pressure plate 31 and the hydraulic cylinder 5 is separated, finally, the upper pressure plate 31 and the lower pressure plate 32 are taken out from the rack 2, the manual ball valve 16 is arranged to help the operator to cut off the circulation of the heat conduction oil in the pipeline at any time, and the maintenance or replacement work of the upper pressure plate 31 and the lower pressure plate 32 is better realized.
As shown in fig. 2 and 3, first cooling coils 17 are uniformly arranged in the cavities 6 of the upper platen 31 and the lower platen 32, the inlet and outlet of the first cooling coils 17 extend out of the upper platen 31 and the lower platen 32 and are connected with the three-way ball valve 18 in a flange manner, the side walls of the upper platen 31 and the lower platen 32 are respectively provided with a sandwich plate 19 along the periphery, a temperature sensor 20 is arranged on the sandwich plate 19, second cooling coils 21 are uniformly arranged between the sandwich plate 19 and the upper platen 31 and between the sandwich plate 19 and the lower platen 32, and the inlet and outlet of the second cooling coils 21 extend out of the upper platen 31 and the lower platen 32 and are connected with the three-way ball valve 18 in a flange manner. After the composite board is pressed and molded between the upper pressing plate 31 and the lower pressing plate 32, cooling water is introduced into the first cooling coil 17, so that the composite board in a high-temperature state can be cooled quickly under the action of the cooling water, the composite board is prevented from being taken out in a state without being cooled to scald workers, the time for waiting for natural cooling of the composite board is shortened, and the working efficiency of the hot press is improved.
As shown in fig. 2 and fig. 3, when the temperature displayed by the temperature sensor 20 exceeds 60 ℃, the cooling water is introduced into the second cooling coil 21, so that the temperature of the outer surface of the sandwich plate 19 is rapidly reduced to about 30 ℃, and then the introduction of the cooling water into the second cooling coil 21 is stopped, under the condition that the normal working temperature of the hot press is ensured, the temperature of the side walls of the upper pressing plate 31 and the lower pressing plate 32 is controlled within the range adaptable to the human body, the possibility that the operator is scalded is reduced, the safety in the working process of the hot press is improved, the three-way ball valve 18 is convenient for the operator to switch the direction of the water flow of the cooling water at any time, and the temperature is reduced by matching the first cooling coil 17 and the second cooling coil 21.
As shown in fig. 1 and 2, the oil collecting pipe 11, the oil distributing pipe 12, the oil conveying pipe 13 and the oil pipeline 9 are wrapped with a heat insulating layer 24, and a layer of galvanized plate 25 (not shown in the figure) is laid on the outer surface of the heat insulating layer 24, so that on one hand, a certain heat insulating effect is achieved on heat conducting oil in the pipeline, heat loss is reduced, the requirement of the hot press on normal working temperature is met, on the other hand, a heat insulating effect is achieved, the temperature of the outer surface of the heat insulating layer 24 is reduced, and scalding accidents are avoided. All be equipped with the drain 22 with cavity 6 (as figure 4) intercommunication on top board 31 and the holding down plate 32, threaded connection has screw thread ball valve 23 on the drain 22, can make the conduction oil in top board 31 and the holding down plate 32 cavity 6 discharge away, is convenient for wash the long-term remaining greasy dirt of 6 inside conduction oils of cavity, ensures the heat transfer effect of hot pressboard 3 to guarantee the pressfitting quality of composite sheet.
The operation process is as follows: the operating personnel pushes up the composite sheet of well paved melamine impregnated paper to holding tank 4 in from the workstation, through driving hydraulic cylinder 5, make top board 31 downstream to the composite sheet on, and further exert pressure to the composite sheet, the composite sheet is by firm compaction at this moment between top board 31 and lower pressure plate 32, hot pressboard 3 is with heat transfer to composite sheet surface, carry out high temperature hot briquetting to the composite sheet, make melamine impregnated paper level and smooth and closely bond on the composite sheet, then drive hydraulic cylinder 5 again, make top board 31 rebound, operating personnel takes out the composite sheet to the workstation from holding tank 4 this moment, accomplish production.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment with inventive contribution as required after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a hot press for producing composite sheet, includes heating station (1), frame (2), hot pressboard (3) and oil pipe way (9), its characterized in that: hot pressboard (3) include top board (31) and holding down plate (32), be formed with between top board (31) and holding down plate (32) and place holding tank (4) of composite sheet, install hydraulic cylinder (5) that are used for going up and down top board (31) on frame (2), the output of hydraulic cylinder (5) is connected on top board (31), all be equipped with cavity (6) and supply oil inlet (7) and oil-out (8) that the conduction oil circulation of cavity (6) intercommunication in top board (31) and holding down plate (32), oil inlet (7) and oil-out (8) are connected to heating station (1) through oil pipeline (9), flange joint has metal collapsible tube (10) between oil inlet (7) and oil pipeline (9) on top board (31).
2. The press for producing composite panels according to claim 1, characterized in that: oil inlet (7) on hot pressboard (3) have been seted up a plurality ofly, one side that holding tank (4) were kept away from in top board (31) and holding down plate (32) all is equipped with collection oil pipe (11), two collection oil pipe (11) are seted up towards the one end of hot pressboard (3) a plurality of branch oil pipe (12) of being connected with oil inlet (7) one-to-one, two collection oil pipe (11) deviate from the one end of hot pressboard (3) and have been seted up delivery oil pipe (13), are located delivery oil pipe (13) and metal collapsible tube (10) flange joint of top board (31) one side are located delivery oil pipe (13) and oil pipeline (9) flange joint of holding down plate (32) one side.
3. The press for producing composite panels according to claim 2, characterized in that: one side cladding that is used for the pressfitting composite sheet on hot pressboard (3) has one deck corrosion resistant plate (14), be equipped with buffer layer (15) between corrosion resistant plate (14) and hot pressboard (3), buffer layer (15) material is high temperature silica gel.
4. The press for producing composite panels according to claim 1 or 2, characterized in that: manual ball valves (16) are connected between the oil inlets (7) and the oil distribution pipe (12) and between the oil outlets (8) and the oil pipelines (9) in a flange mode.
5. The press for producing composite panels according to claim 1, characterized in that: first cooling coil pipes (17) are uniformly arranged in cavities (6) of the upper pressing plate (31) and the lower pressing plate (32), and an inlet and an outlet of each first cooling coil pipe (17) extend out of the upper pressing plate (31) and the lower pressing plate (32) and are connected with a three-way ball valve (18) in a flange mode.
6. The press for producing composite boards according to claim 5, wherein: the lateral wall of top board (31) and holding down plate (32) all is equipped with one deck sandwich panel (19) along the periphery, install temperature sensor (20) on sandwich panel (19), second cooling coil (21) have been put to the equipartition between sandwich panel (19) and top board (31), holding down plate (32), the exit of second cooling coil (21) extends outside top board (31) and holding down plate (32) to flange joint is in on three-way ball valve (18).
7. The press for producing composite boards according to claim 5, wherein: and the upper pressing plate (31) and the lower pressing plate (32) are both provided with a sewage draining outlet (22) communicated with the cavity (6), and the sewage draining outlet (22) is connected with a screw thread ball valve (23) in a threaded manner.
8. The press for producing composite panels according to claim 2, characterized in that: the oil collecting pipe (11), the oil distributing pipe (12), the oil conveying pipe (13) and the oil pipeline (9) are wrapped with a heat insulating layer (24), and a layer of galvanized plate (25) is laid on the outer surface of the heat insulating layer (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920719194.9U CN210210748U (en) | 2019-05-17 | 2019-05-17 | Hot press for producing composite board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920719194.9U CN210210748U (en) | 2019-05-17 | 2019-05-17 | Hot press for producing composite board |
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| Publication Number | Publication Date |
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| CN210210748U true CN210210748U (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920719194.9U Active CN210210748U (en) | 2019-05-17 | 2019-05-17 | Hot press for producing composite board |
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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
- 2019-05-17 CN CN201920719194.9U patent/CN210210748U/en active Active
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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