CN212737032U - Hot-pressing forming equipment for plastic cover plate - Google Patents
Hot-pressing forming equipment for plastic cover plate Download PDFInfo
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- CN212737032U CN212737032U CN202021370650.2U CN202021370650U CN212737032U CN 212737032 U CN212737032 U CN 212737032U CN 202021370650 U CN202021370650 U CN 202021370650U CN 212737032 U CN212737032 U CN 212737032U
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- cooling
- plate
- pressing
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- station
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- 238000007731 hot pressing Methods 0.000 title claims abstract description 46
- 239000004033 plastic Substances 0.000 title claims abstract description 21
- 229920003023 plastic Polymers 0.000 title claims abstract description 21
- 238000001816 cooling Methods 0.000 claims abstract description 79
- 238000003825 pressing Methods 0.000 claims abstract description 30
- 238000010438 heat treatment Methods 0.000 claims abstract description 26
- 238000007723 die pressing method Methods 0.000 claims abstract description 13
- 238000007599 discharging Methods 0.000 claims abstract description 6
- 238000009413 insulation Methods 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000000498 cooling water Substances 0.000 claims description 3
- 238000005485 electric heating Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 8
- 239000000463 material Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
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- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model provides a plastic cover plate hot-press molding device, which comprises a machine table, a plurality of lower forming dies and a conveying device for driving the lower forming dies to circularly drive along a stepping station, wherein six groups of hot-press stations, at least four groups of die-press cooling stations and a feeding and discharging station are sequentially arranged on the machine table; a lower heating plate is arranged below the lower forming die corresponding to each group of hot pressing stations, and a hot pressing device is arranged above the lower forming die; and a lower cooling plate is arranged below the lower forming die corresponding to each die pressing cooling station, and a die pressing cooling device is arranged above the lower forming die. The equipment adopts six groups of electrically heated hot pressing stations to carry out gradual hot pressing, the mould pressing force is kept while heating, so that the temperature in the hot pressing process is not too high, sufficient mould pressing time can be ensured, the forming quality is higher, and meanwhile, the six groups of hot pressing stations are adopted to carry out gradual hot pressing, so that the production efficiency can be improved; and at least four groups of mould pressing cooling stations are adopted for cooling step by step, and mould pressing force is kept while cooling, so that warping deformation can be avoided.
Description
Technical Field
The utility model relates to a hot pressing equipment technical field specifically indicates a plastic cover plate hot briquetting equipment.
Background
With the development of the design of electronic products such as mobile phones, the parts such as curved screens or curved cover plates come into production, and the corresponding production process and equipment also need to be developed synchronously. The curved surface cover plate (such as a decorative cover plate after a mobile phone) has higher requirements on the forming attractiveness and the assembling precision, but when the cover plate is made of plastic materials such as PET (polyethylene terephthalate), the structural characteristics and the material characteristics of the curved surface cover plate enable the production of the curved surface cover plate to be more suitable for a hot-press forming process. However, the characteristics of the plastic sheet not only make the heating and pressing time not easy to balance, but also make the plastic sheet easy to have the defects of rebound and buckling during cooling, and how to stabilize the production quality is a problem to be solved by the hot-pressing equipment.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a production stable in quality and the higher plastic apron hot briquetting equipment of efficiency.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides a plastic apron hot briquetting equipment, includes the board, arranges in along step-by-step station a plurality of under forming die on the board and drive the under forming die along step-by-step station endless drive's conveyer, it has set gradually to correspond each step-by-step station on the board: six groups of hot pressing stations for carrying out hot pressing on the plastic cover plate in an electric heating mode, at least four groups of mould pressing cooling stations for cooling the plastic cover plate, and a feeding and discharging station; a lower heating plate is arranged below the lower forming die corresponding to each group of hot pressing stations, and a hot pressing device which can cover the upper surface of the lower forming die in a lifting manner is arranged above the corresponding lower forming die; a lower cooling plate is arranged below the lower forming die corresponding to each die pressing cooling station, and a die pressing cooling device which can cover the upper surface of the lower forming die in a lifting way is arranged above the corresponding lower forming die.
The beneficial effect of above-mentioned scheme lies in: the equipment adopts six groups of electrically heated hot pressing stations to carry out gradual hot pressing, the mould pressing force is kept while heating, so that the temperature in the hot pressing process is not too high, sufficient mould pressing time can be ensured, the forming quality is higher, and meanwhile, the six groups of hot pressing stations are adopted to carry out gradual hot pressing, so that the production efficiency can be improved; at least four sets of mould pressing cooling stations are adopted for cooling step by step, mould pressing force is kept while cooling is carried out, and warping deformation caused by too fast cooling of the plastic material can be avoided.
According to a preferable scheme, the hot-pressing station and the die-pressing cooling station are respectively arranged on two sides of the top surface of the machine table, and a heat insulation baffle is arranged in the middle of the hot-pressing station and the die-pressing cooling station; the conveying device comprises two groups of X axial pushing devices positioned at two sides and two groups of Y axial pushing devices positioned at two ends; the X-axis pushing device and the Y-axis pushing device both comprise an air cylinder transmission assembly and a pushing plate driven by the air cylinder transmission assembly.
In the scheme, the hot-pressing station and the die-pressing cooling station are respectively arranged on two sides of the top surface of the machine table, so that the whole machine is compact in structure, and the heat-insulating baffle can avoid mutual interference of two functional areas; and the conveying device has simple structure and is easy to arrange.
In a preferable scheme, a heat insulation plate and a water cooling plate are arranged between the lower heating plate and the top surface of the machine table; and cooling water which circularly flows is arranged in the water cooling plate.
In this scheme, water-cooling board and heat insulating board can prevent that the heat conduction of hot plate to board down, can avoid the water-cooling board to reduce the low hot plate temperature again.
According to the preferable scheme, the hot-pressing device comprises an upper heating plate, a heat insulation plate fixed on the top surface of the upper heating plate, a connecting plate connected to the upper side of the heat insulation plate through uniformly distributed springs, and a driving cylinder which drives the connecting plate to lift and is vertically fixed.
In the scheme, the heat insulation plate can not only prevent the heat of the upper heating plate from being conducted upwards, but also facilitate the arrangement of a mould pressing structure and a heating structure on the upper heating plate, the installation and fixation and the like; set up connecting plate and spring between drive actuating cylinder and the heat insulating board for hot press unit has certain elastic buffer at the in-process that pushes down, avoids influencing the shaping quality because of slight unevenness, still is convenient for the installation of each structure simultaneously.
According to a preferable scheme, the die pressing cooling device comprises an upper cooling plate, a connecting plate connected to the top surface of the upper cooling plate through a plurality of uniformly distributed springs, and a driving cylinder which is vertically fixed and used for driving the connecting plate to lift.
In this scheme, set up the spring between connecting plate and cooling plate for mould pressing cooling device has certain elastic buffer at the in-process that pushes down, avoids influencing the shaping quality because of uneven.
In a preferred embodiment, the mold cooling stations are four groups, and each group of mold cooling devices corresponds to two groups of mold cooling stations.
In the scheme, the two groups of mould pressing cooling stations share one group of mould pressing cooling devices, so that the equipment structure is simplified, and the cost is reduced.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a perspective view of the overall structure of a hot press molding apparatus in an embodiment;
FIG. 2 is a schematic top view of the overall structure of the hot press molding apparatus in the embodiment;
FIG. 3 is a schematic diagram of a step-by-step station layout structure of the hot press molding apparatus in the embodiment;
FIG. 4 is a schematic structural diagram of one side of the hot pressing station and the X-axis pushing device in the embodiment;
FIG. 5 is a schematic structural diagram of a hot press apparatus according to an embodiment;
FIG. 6 is a schematic view showing the structure of the molded cooling device in the example.
Detailed Description
The invention is further explained below with reference to the drawings:
referring to fig. 1 to 4, a hot press molding apparatus for plastic cover plates includes a machine table 1, a plurality of lower forming dies 2 disposed on the machine table along a stepping station, and a conveying device 3 for driving the lower forming dies 2 to circularly drive along the stepping station, wherein the machine table 1 is sequentially provided with: six groups of hot pressing stations 4 for carrying out hot pressing on the plastic cover plate in an electric heating mode, at least four groups of mould pressing cooling stations 5 for cooling the plastic cover plate, and a feeding and discharging station 6; a lower heating plate 41 is arranged below the lower forming die 2 corresponding to each group of hot pressing stations 4, and a hot pressing device 42 which can cover the upper surface of the lower forming die in a lifting manner is arranged above the corresponding lower forming die 2; a lower cooling plate 51 is provided below the lower mold 2 corresponding to each mold pressing cooling station 5, and a mold pressing cooling device 52 which is adapted to cover the upper surface of the lower mold 2 so as to be movable upward and downward is provided above the corresponding lower mold 2.
When the plastic cover plate is produced in a hot pressing mode, the cover plate to be hot pressed is placed into the feeding and discharging station 6, the cover plate and the corresponding lower forming die 2 are conveyed to six groups of hot pressing stations 4 through the conveying device 3, and the cover plate and the corresponding lower forming die are sequentially subjected to pressurizing and heating forming; and after hot press forming is completed, the plastic cover plate enters a die pressing cooling station 5 to be sequentially subjected to pressure cooling until the plastic cover plate is cooled to be not deformed, and then the plastic cover plate is taken out from a feeding and discharging station 6 to be sequentially subjected to circular operation.
In the embodiment, the equipment adopts six groups of electrically heated hot pressing stations 4 for gradual hot pressing, the mould pressure is kept while heating, so that the temperature is not too high in the hot pressing process, sufficient mould pressing time can be ensured, the forming quality is high, and meanwhile, the six groups of hot pressing stations 4 are adopted for gradual hot pressing, so that the production efficiency can be improved; and at least four sets of mould pressing cooling stations 5 are adopted for cooling step by step, and mould pressing force is kept while cooling, so that the plastic material can be prevented from being warped and deformed due to too fast cooling, the cooling time of each step station can be shortened, and the cooling efficiency is improved.
Referring to fig. 2 and 3, in an embodiment, the hot pressing station 4 and the mold pressing cooling station 5 are respectively arranged at two sides of the top surface of the machine table 1, and a heat insulation baffle 100 is arranged in the middle; the conveying device 3 comprises two groups of X axial pushing devices 31 arranged at two sides and two groups of Y axial pushing devices 32 arranged at two ends; the X-axis pushing device 31 and the Y-axis pushing device 32 both comprise an air cylinder transmission assembly and a pushing plate driven by the air cylinder transmission assembly. Taking the X-axis pushing device 31 as an example, referring to fig. 4, the X-axis pushing device 31 includes a transverse rodless cylinder 311, a fixing rod 312 driven by the rodless cylinder 311, and a plurality of pushing plates 313 vertically mounted on the fixing rod 312, and the intervals of the pushing plates 313 are set according to the step-by-step distance; furthermore, a jacking cylinder 314 for driving the rodless cylinder 311 to ascend and descend is fixedly arranged below the rodless cylinder 311, and the jacking cylinder 314 enables the material pushing plate 313 to ascend and descend so as to convey the lower forming die 2 in a stepping mode. In this embodiment, the hot-pressing station 4 and the mold-pressing cooling station 5 are separately disposed on two sides of the top surface of the machine table 1, so that the whole structure is compact, and the heat-insulating baffle 100 can avoid the mutual interference of the two functional areas; and the conveying device 3 has simple structure and is easy to arrange.
Referring to fig. 4, in an embodiment, a heat insulation plate 411 and a water cooling plate 412 are further disposed between the lower heating plate 41 and the top surface of the machine table 1; the water-cooling plate 412 is provided with cooling water that circulates. In this embodiment, the water cooling plate 412 and the heat insulation plate 411 may prevent heat of the lower heating plate 41 from being conducted to the machine 1, and may prevent the water cooling plate 412 from lowering the temperature of the lower heating plate 41.
Referring to fig. 5, in one embodiment, the hot press apparatus 42 includes an upper heating plate 421, a heat insulation plate 422 fixed to a top surface of the upper heating plate 421, a connection plate 424 connected to an upper side of the heat insulation plate 422 by uniformly distributed springs 423, and a vertically fixed driving cylinder 425 driving the connection plate 424 to ascend and descend. In this embodiment, the heat insulation plate 422 not only can prevent the heat of the upper heating plate 421 from being conducted upwards, but also can facilitate the arrangement of the molding structure and the heating structure of the upper heating plate 421, the installation and fixation, and the like; the connecting plate 424 and the spring 423 are arranged between the driving cylinder 425 and the heat insulation plate 422, so that the hot pressing device 42 has certain elastic buffering in the pressing process, the molding quality is prevented from being influenced due to slight unevenness, and meanwhile, the installation of each structure is facilitated.
Referring to fig. 6, in one embodiment, the mold cooling device 52 includes an upper cooling plate 521, a connecting plate 523 connected to a top surface of the upper cooling plate 521 by a plurality of uniformly distributed springs 522, and a vertically fixed driving cylinder 524 for driving the connecting plate 523 to ascend and descend. In this embodiment, a spring 522 is disposed between the connecting plate 523 and the cooling plate 521, so that the mold pressing cooling device 52 has a certain elastic buffer during the pressing process, and the molding quality is prevented from being affected by unevenness.
Referring to fig. 1, in one embodiment, the mold cooling stations 5 are four sets, and each set of the mold cooling devices 52 corresponds to two sets of the mold cooling stations 5. In this embodiment, the two molding cooling stations 5 share one molding cooling device 52, so that the equipment structure is simplified and the cost is reduced.
The above description is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a plastic cover plate hot briquetting equipment which characterized in that, includes the board, along step-by-step station arrange in a plurality of under forming die on the board, and drive the conveyer of under forming die along step-by-step station endless drive, it has set gradually to correspond each step-by-step station on the board: six groups of hot pressing stations for carrying out hot pressing on the plastic cover plate in an electric heating mode, at least four groups of mould pressing cooling stations for cooling the plastic cover plate, and a feeding and discharging station; a lower heating plate is arranged below the lower forming die corresponding to each group of hot pressing stations, and a hot pressing device which can cover the upper surface of the lower forming die in a lifting manner is arranged above the corresponding lower forming die; a lower cooling plate is arranged below the lower forming die corresponding to each die pressing cooling station, and a die pressing cooling device which can cover the upper surface of the lower forming die in a lifting way is arranged above the corresponding lower forming die.
2. The apparatus of claim 1, wherein: the hot pressing station and the die pressing cooling station are respectively arranged at two sides of the top surface of the machine table, and a heat insulation baffle is arranged in the middle of the hot pressing station and the die pressing cooling station; the conveying device comprises two groups of X axial pushing devices positioned at two sides and two groups of Y axial pushing devices positioned at two ends; the X-axis pushing device and the Y-axis pushing device both comprise an air cylinder transmission assembly and a pushing plate driven by the air cylinder transmission assembly.
3. The apparatus of claim 1, wherein: a heat insulation plate and a water cooling plate are arranged between the lower heating plate and the top surface of the machine table; and cooling water which circularly flows is arranged in the water cooling plate.
4. The apparatus of claim 1, wherein: the hot-pressing device comprises an upper heating plate, a heat insulation plate fixed on the top surface of the upper heating plate, a connecting plate connected above the heat insulation plate through uniformly distributed springs, and a vertically fixed driving cylinder for driving the connecting plate to lift.
5. The apparatus of claim 1, wherein: the mould pressing cooling device comprises an upper cooling plate, a connecting plate and a driving cylinder, wherein the connecting plate is connected to the top surface of the upper cooling plate through a plurality of uniformly distributed springs, and the driving cylinder is vertically fixed and used for driving the connecting plate to ascend and descend.
6. The apparatus of claim 5, wherein: the mould pressing cooling stations are four groups, and each group of mould pressing cooling device corresponds to two groups of mould pressing cooling stations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021370650.2U CN212737032U (en) | 2020-07-13 | 2020-07-13 | Hot-pressing forming equipment for plastic cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021370650.2U CN212737032U (en) | 2020-07-13 | 2020-07-13 | Hot-pressing forming equipment for plastic cover plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212737032U true CN212737032U (en) | 2021-03-19 |
Family
ID=75022310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021370650.2U Expired - Fee Related CN212737032U (en) | 2020-07-13 | 2020-07-13 | Hot-pressing forming equipment for plastic cover plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212737032U (en) |
-
2020
- 2020-07-13 CN CN202021370650.2U patent/CN212737032U/en not_active Expired - Fee Related
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Legal Events
| 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: 20210319 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |