CN211227873U - Water pressing system applied to high-density fiberboard - Google Patents
Water pressing system applied to high-density fiberboard Download PDFInfo
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- CN211227873U CN211227873U CN201922066091.XU CN201922066091U CN211227873U CN 211227873 U CN211227873 U CN 211227873U CN 201922066091 U CN201922066091 U CN 201922066091U CN 211227873 U CN211227873 U CN 211227873U
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Abstract
A water pressing system applied to a high-density fiberboard comprises a feeder, a water pressing machine and a discharging machine; the feeder is positioned at one side of the water pressing machine and is used for conveying a plurality of vertically distributed high-density fiberboards into the water pressing machine for water pressing operation; the discharging machine is positioned at the other side of the water pressing machine and is used for outputting a plurality of vertically distributed high-density fiber boards after water pressing operation in the water pressing machine is completed; the water press comprises a plurality of groups of pressing plate groups distributed in the vertical direction, an internal blanket conveying device and a pressing plate lifting driving device; each pressing plate group comprises two hot pressing plates which are adjacent in the vertical direction and are an upper hot pressing plate and a lower hot pressing plate respectively; the internal blanket conveying device comprises a plurality of conveying blankets, and each conveying blanket is respectively covered on the pressure-receiving surface of the corresponding hot pressing plate; the utility model discloses can carry out the pressurized-water to polylith high density fiberboard simultaneously, improve pressurized-water efficiency, can realize that the feeding and the ejection of compact to polylith high density fiberboard are synchronous, improve the business turn over material efficiency of high density fiberboard.
Description
Technical Field
The utility model relates to a high density fiberboard pressurized-water equipment field especially relates to a be applied to pressurized-water system of high density fiberboard.
Background
At present, the production mode of high density fiberboard adopts intermittent type formula production more, including a plurality of processes such as wet plate pile up neatly, pressurized-water, sunning (or stoving), hot pressing, press polish, side cut, and in the middle of traditional high density fiberboard pressurized-water equipment, can not carry out feeding, pressurized-water and ejection of compact operation to polylith high density fiberboard simultaneously, and pressurized-water inefficiency, the pressurized-water effect is poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a be applied to pressurized-water system of high density fiberboard can carry out the pressurized-water to polylith high density fiberboard simultaneously, improves pressurized-water efficiency to, can realize that the feeding and the ejection of compact to polylith high density fiberboard are synchronous, improve the business turn over material efficiency of high density fiberboard.
To achieve the purpose, the utility model adopts the following technical proposal:
a water pressing system applied to a high-density fiberboard comprises a feeder, a water pressing machine and a discharging machine; the feeder is positioned at one side of the water press and is used for conveying a plurality of vertically distributed high-density fiberboards into the water press for water pressing operation;
the discharging machine is positioned at the other side of the water pressing machine and is used for outputting a plurality of vertically distributed high-density fiberboards after water pressing operation in the water pressing machine is completed;
the water press comprises a plurality of groups of pressing plate groups distributed in the vertical direction, an internal blanket conveying device and a pressing plate lifting driving device;
each pressing plate group comprises two hot pressing plates which are adjacent in the vertical direction and are an upper hot pressing plate and a lower hot pressing plate respectively;
the internal blanket conveying device comprises a plurality of conveying blankets, and each conveying blanket covers the pressure surface of the corresponding hot pressing plate;
when the water pressing operation is carried out, the water pressing machine is matched, the pressing plate lifting driving device drives the lower hot pressing plates and the upper hot pressing plates of the pressing plate groups to be pressed, and the high-density fiber boards between the lower hot pressing plates and the upper hot pressing plates in each pressing plate group are pressed.
Furthermore, the feeder comprises a plurality of layers of hydraulic lifting type feeding conveying layers, and each layer of feeding conveying layer is provided with a conveying belt independently.
Further, the structure of the feeding machine is the same as that of the discharging machine.
Furthermore, a multi-loop in-and-out heating structure is arranged in the hot pressing plate, and the hot pressing plate is made of QBQ345B low-alloy structural steel.
Furthermore, the bottom of the lower hot pressing plate is provided with a drainage channel, and the top of the lower hot pressing plate is provided with an air blowing hole.
Further, a negative pressure suction device is further included and communicated to the drainage channel.
Further, the internal blanket conveying device also comprises a roller, a blanket cleaning device, a blanket drying vacuum box and a tensioning device;
the number of the rollers is multiple, and the rollers are respectively arranged on the feeding side and the discharging side of the pressing plate group;
the conveying blankets are wound on the surfaces of the rollers, so that each conveying blanket is covered on the pressed surface of each hot pressing plate to form a double-layer blanket structure;
the blanket cleaning device is positioned on one side of the hot pressing plate and is used for cleaning the conveyed blanket;
the blanket drying vacuum box is positioned on one side of the hot pressing plate and is used for carrying out adsorption drying operation on the conveyed blanket cleaned by the blanket cleaning device;
the tensioning device is used for tensioning the conveying blanket.
Furthermore, the water press also comprises a pressure plate support frame and a lifting plate;
the pressure plate support frames are arranged in pairs;
in the vertical direction, the thickness of the pressure plate support frame is gradually reduced from inside to outside, the inner wall surface of the pressure plate support frame is inclined from inside to outside, and step bearing surfaces are arranged on the inner wall surface at intervals from bottom to top;
the number of the lifting plates is multiple, the length of each lifting plate is increased from bottom to top, and two ends of each lifting plate are respectively placed at the tops of the step bearing surfaces of the two opposite pressure plate supporting frames;
the hot pressing plate is fixed on the top surface of the lifting plate positioned at the bottommost layer, and the hot pressing plates are fixed on the top surfaces and the bottom surfaces of the rest lifting plates.
The utility model provides a be applied to pressurized-water system of high density fiberboard according to the aforesaid, can carry out the pressurized-water to polylith high density fiberboard simultaneously, improve pressurized-water efficiency to, can realize that the feeding and the ejection of compact to polylith high density fiberboard are synchronous, improve the business turn over material efficiency of high density fiberboard.
Drawings
FIG. 1 is a schematic structural diagram of one embodiment of the present invention;
FIG. 2 is a schematic view of a partial structure of a water pump according to an embodiment of the present invention;
FIG. 3 is a schematic partial structure diagram of one embodiment of the present invention;
fig. 4 is a schematic view of the matching relationship between the lifting plate and the pressing plate support frame according to one embodiment of the present invention.
Wherein: the device comprises a feeder 1, a feeding and conveying layer 11, a conveying belt 111, a hydraulic cylinder 101, a water press 2, a press plate group 21, an upper hot press plate 211, a lower hot press plate 212, a first press plate group 201, a second press plate group 202, a third press plate group 203, a fourth press plate group 204, a conveying felt 221, a roller 222, a felt cleaning device 223, a felt drying vacuum box 224, a press plate lifting driving device 23, a driving end 231, a press plate supporting frame 24, an inner wall surface 241, a step bearing surface 2411, a lifting plate 25, a first lifting plate 251, a second lifting plate 252, a third lifting plate 253, a fourth lifting plate 254, a fixing plate 26 and a discharging machine 3.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
As shown in fig. 1-4, a water pressing system applied to a high-density fiberboard comprises a feeder 1, a water pressing machine 2 and a discharging machine 3; the feeder 1 is positioned at one side of the water press 2 and is used for conveying a plurality of vertically distributed high-density fiberboards into the water press 2 for water pressing operation;
the discharging machine 3 is positioned on the other side of the water pressing machine 2 and is used for outputting a plurality of vertically distributed high-density fiberboards after water pressing operation in the water pressing machine 2 is completed;
the water press 2 comprises a plurality of groups of pressing plate groups 21 distributed in the vertical direction, an internal blanket conveying device and a pressing plate lifting driving device 23;
each of the pressing plate groups 21 includes two vertically adjacent hot pressing plates, namely an upper hot pressing plate 211 and a lower hot pressing plate 212;
the internal blanket conveying device comprises a plurality of conveying blankets 221, and each conveying blanket 221 is respectively covered on the pressure-receiving surface of the corresponding hot pressing plate;
when the pressing operation is performed, the pressing machine 2 is closed, and the pressing plate lifting driving device 23 drives the lower hot pressing plate 212 and the upper hot pressing plate 211 of the plurality of pressing plate groups 21 to be pressed, so that the high-density fiber board between the lower hot pressing plate 212 and the upper hot pressing plate 211 in each pressing plate group 21 is pressed.
The high-density fiberboard referred to in this embodiment refers to high-density fiberboard, and the feeder 1 can receive four high-density fiberboards slit in a previous process, so that the four high-density fiberboards are vertically distributed on the feeder 1.
And each layer of the feeder 1 is provided with a travel switch, the state of each layer is controlled by a PLC instruction, a signal is returned, and the position state is displayed in real time.
After receiving a signal that the mold opening of the water pressing machine is in place, the feeder 1 is synchronously started with the conveying of the water pressing machine 2, the conveying blanket 221 conveys four high-density fiberboards into the water pressing machine 2 for positioning, and the water pressing machine 2 starts to close the mold.
In this embodiment, the press machine 2 includes four sets of press plates 21 distributed in the vertical direction, and the high-density fiberboard is conveyed between the lower hot press plate 212 and the upper hot press plate 211 in each press plate set 21, and therefore, when the die assembly is performed, the platen lifting/lowering driving device 23 drives the four sets of the lower and upper hot press plates 212 and 211 of the platen group 21 to press, so that the high-density fiberboard between the lower and upper hot press plates 212 and 211 in each platen group 21 can be pressed, since each of the transporting blankets 221 is covered on the pressure-receiving surface of the corresponding hot press plate, in this embodiment, the pressure surfaces of the hot press plates, the top surface of the lower hot press plate 212 and the bottom surface of the upper hot press plate 211, when the high-density fiberboard is pressed, the water in the high-density fiberboard can be squeezed out by the cooperation of the lower hot press plate 212, the upper hot press plate 211 and the conveying felt 221.
After a period of pressure maintaining and dewatering, the water press 2 is opened to unload, when the water press 2 is allowed to unload, the conveying blanket 221 in the water press 2 is started to convey the high-density fiberboard to the discharging machine 3, and the high-density fiberboard is output to the next process through the discharging machine 3.
Feeder 1 and ejection of compact machine 3 are the four layers of structures that rise and fall of hydraulic pressure, and the ejection of compact of water pressing machine 2 is synchronous with the feeding of water pressing machine 2, and the conveyor belt 111 of feeder 1 and the conveyor belt 111 of ejection of compact machine 3 open and stop the control in step around, and when no high density fibreboard on conveyor belt 111, the ejection of compact of water pressing machine 2 is allowed.
By the aid of the water pressing system applied to the high-density fiberboard, a plurality of high-density fiberboards can be pressed simultaneously, and water pressing efficiency is improved; meanwhile, the discharging of the water press 2 is synchronous with the feeding of the water press 2, so that the feeding and discharging efficiency of the high-density fiberboard is improved.
Further, the feeder 1 comprises a plurality of layers of hydraulic lifting type feeding conveying layers 11, and each layer of feeding conveying layer 11 is independently provided with a conveying belt 111.
In this embodiment, the feeder 1 has four vertically distributed feeding and conveying layers 11, the feeding and conveying layers 11 are fixed on a frame, and the hydraulic cylinder 101 drives the frame to lift, so as to drive the feeding and conveying layers 11 to lift; every layer feeding transport layer 11 all is provided with conveyor belt 111 independently, guarantees to be located every layer feeding transport layer 11's high density fiberboard can independently be carried.
Further, the structure of the feeder 1 is the same as that of the discharger 3.
Through setting the feeder 1 and the discharger 3 to the same structure, the discharging of the water press 2 and the feeding of the water press 2 are more facilitated to be carried out synchronously.
Furthermore, a multi-loop in-and-out heating structure is arranged in the hot pressing plate, and the hot pressing plate is made of Q345B low-alloy structural steel.
The hot pressing plate adopts a multi-loop in-and-out heating structure and is matched with a stable heat source, the uniformity of the temperature of the working surface of the hot pressing plate can be ensured, the difference between the highest point temperature and the lowest point temperature is within 6 ℃, when the lower hot pressing plate 212 and the upper hot pressing plate 211 of the pressing plate group 21 are pressed, the water molecule movement activity in the high-density fiber plate during pressing can be increased, and the rapid extrusion of water in the high-density fiber plate is facilitated.
The hot pressing plate is made of Q345B low-alloy structural steel, so that the strength is high, the hot pressing plate is not easy to deform, the surface of the hot pressing plate is ground, and the form and position tolerance and the surface roughness (not less than Ra 1.6 mu m) of the hot pressing plate meet the requirements of the national standard GB/T5856.
Further, a drainage channel is formed at the bottom of the lower hot pressing plate 212, and a gas blowing hole is formed at the top of the lower hot pressing plate 212; and the negative pressure suction pipeline is communicated to the drainage channel.
The water pump 2 performs water pumping operation, when the mold is closed, the negative pressure suction device is started simultaneously, and the negative pressure suction pipeline in the negative pressure suction device is communicated to the drainage channel, so that the drainage channel can form negative pressure, after the mold is closed, water in the high-density fiberboard is extruded and then is pumped out by the drainage pipeline through the conveying blanket 221, so that the water content of the conveying blanket 221 is in an unsaturated state, the high-density fiberboard is prevented from sucking back the extruded water when the mold is opened, and the drying efficiency of the high-density fiberboard is improved.
After a period of pressure maintaining and dehydration, the water press 2 opens the die and unloads the materials; in the mold opening process, the valve at the end of the drainage channel of the lower hot pressing plate 212 is opened, so that a large amount of air enters the drainage channel from the end, the residual water in the channel is emptied by large airflow, after a plurality of seconds, the valve at the end and the negative pressure pipeline valve are closed, positive pressure air is injected into the drainage channel at the moment, the conveying blanket 221 and the high-density fiberboard are blown away through the drainage hole, the high-density fiberboard is conveniently separated from the conveying blanket 221, and the process is finished before the high-density fiberboard is sent out of the water press 2.
Further, the felt conveying device in the machine further comprises a roller 222, a felt cleaning device 223, a felt drying vacuum box 224 and a tensioning device;
the number of the rollers 222 is multiple, and the rollers are respectively arranged on the feeding side and the discharging side of the pressing plate group 21;
the conveying blankets 221 are wound on the surfaces of the rollers 222, so that each conveying blanket 221 is covered on the pressed surface of each hot pressing plate to form a double-layer blanket structure;
the blanket washing device 223 is located at one side of the hot pressing plate, and is used for washing the conveying blanket 221;
the felt drying vacuum box 224 is located at one side of the hot press plate, and is used for performing adsorption drying operation on the conveying felt 221 cleaned by the felt cleaning device 223;
the tensioning device is used for tensioning the conveying felt 221.
The rollers 222 are respectively arranged on the feeding side and the discharging side of the pressing plate group 21, so that the rollers are more beneficial to winding the conveying blanket 221, and the conveying blanket 221 covers the pressure-receiving surface of each hot pressing plate; because every carry the blanket 221 to cover and be double-deck blanket structure at every the pressurized surface of hot pressboard, then, can with blanket belt cleaning device 223 set up in one side of hot pressboard, specifically can with it sets up every carry inside the double-deck blanket structure of blanket 221, the blanket belt cleaning device 223 of this embodiment is including removing the spray pipe.
When the water press 2 is allowed to discharge, the delivery blanket 211 in the water press 2 is started to deliver the high-density fiberboard out, and the high-density fiberboard is delivered into the water press 2 in the next period.
When the conveying blanket 211 in the water pump 2 runs, the blanket cleaning device 223 is started, the movable water spray pipe cleans the conveying blanket 211, paper scraps are cleaned from the conveying blanket 211, and meanwhile, the cleaned conveying blanket 211 can be sucked and dried due to the connection of the negative pressure pipeline of the blanket drying vacuum box 224; when the transportation of the transporting felt 211 in the water pump 2 is stopped, the felt washing device 223 and the felt drying vacuum box 224 are also closed.
The tensioning device comprises a plurality of tensioning rollers, the tensioning device is controlled by a servo, when the water press is matched, the tensioning rollers retract, so that the conveying blanket 211 is loosened, and the phenomenon that the conveying blanket 211 is damaged due to increased tensioning force when the conveying blanket 211 is pressed is avoided; the feeding blanket 211 is also servo controlled to facilitate positioning of the high density fiberboard feeding.
Further, the water press 2 further comprises a pressure plate support frame 24, a lifting plate 25 and a fixing plate 26;
the pressure plate support frames 24 are arranged in pairs;
in the vertical direction, the thickness of the pressure plate support frame 24 is gradually reduced from inside to outside, the inner wall surface 241 of the pressure plate support frame 24 is inclined from inside to outside, and step bearing surfaces 2411 are arranged on the inner wall surface 241 at intervals from bottom to top;
the number of the lifting plates 25 is multiple, the length of each lifting plate 25 increases from bottom to top, and two ends of each lifting plate 25 are respectively placed at the tops of the step bearing surfaces 2411 of the two opposite pressure plate supporting frames 24;
the hot pressing plate is fixed on the top surface of the lifting plate 25 positioned at the bottommost layer, and the hot pressing plates are fixed on the top surfaces and the bottom surfaces of the other lifting plates 25;
the fixing plate 26 is located above the topmost lifting plate 25, and the hot press plate is fixed to the bottom surface of the fixing plate 26.
The platen lift driving device 23 is a hydraulic cylinder, and is located below the lowermost lift plate 25. The present embodiment has four pressure plate groups 21, which are a first pressure plate group 201, a second pressure plate group 202, a third pressure plate group 203 and a fourth pressure plate group 204 from bottom to top; similarly, the present embodiment also includes four lifting plates 25, which are a first lifting plate 251, a second lifting plate 252, a third lifting plate 253, and a fourth lifting plate 254 from bottom to top.
As shown in fig. 2, only the top surface of the first lifting plate 251 is fixed with a hot pressing plate, the hot pressing plate is a lower hot pressing plate 212 in the first pressing plate group 201, the top surfaces and the bottom surfaces of the second lifting plate 252, the third lifting plate 253 and the fourth lifting plate 254 are fixed with hot pressing plates, and the hot pressing plate at the bottom of the second lifting plate 252 is an upper hot pressing plate 211 in the first pressing plate group 201.
The hot platens are fixed to the fixed plate 26 only at the bottom surface, which is the upper hot platen 211 of the fourth platen group 204, and the hot platen at the top surface of the fourth lifter plate 254 is the lower hot platen 212 of the fourth platen group 204. As shown in fig. 2, the second platen set 202 and the third platen set 203 are composed of other hot platens.
When the water press 2 is closed, the driving end 231 of the pressing plate lifting driving device 23 pushes the first lifting plate 251 to ascend from bottom to top, so that the lower hot pressing plate 212 and the upper hot pressing plate 211 in the first pressing plate group 201 are closed; by analogy, the driving end of the pressing plate lifting driving device 23 continuously pushes from bottom to top, and since the fixing plate 26 is located above the lifting plate 25 at the topmost layer, the fixing plate 26 is relatively fixed in the vertical direction, and finally, the four pressing plate groups 21 are all in a closed state to perform water pressing operation.
When the water press 2 is opened, the driving end 231 of the pressing plate lifting driving device 23 retracts, and each lifting plate 25 can fall to the corresponding step bearing surface 2411, so that the distance between the upper hot pressing plate 211 and the lower hot pressing plate 212 in each pressing plate group 21 is increased, and the opening of the mold is realized.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (8)
1. The utility model provides a be applied to pressurized-water system of high density fiberboard which characterized in that: comprises a feeder, a water press and a discharging machine; the feeder is positioned at one side of the water press and is used for conveying a plurality of vertically distributed high-density fiberboards into the water press for water pressing operation;
the discharging machine is positioned at the other side of the water pressing machine and is used for outputting a plurality of vertically distributed high-density fiberboards after water pressing operation in the water pressing machine is completed;
the water press comprises a plurality of groups of pressing plate groups distributed in the vertical direction, an internal blanket conveying device and a pressing plate lifting driving device;
each pressing plate group comprises two hot pressing plates which are adjacent in the vertical direction and are an upper hot pressing plate and a lower hot pressing plate respectively;
the internal blanket conveying device comprises a plurality of conveying blankets, and each conveying blanket covers the pressure surface of the corresponding hot pressing plate;
when the water pressing operation is carried out, the water pressing machine is matched, the pressing plate lifting driving device drives the lower hot pressing plates and the upper hot pressing plates of the pressing plate groups to be pressed, and the high-density fiber boards between the lower hot pressing plates and the upper hot pressing plates in each pressing plate group are pressed.
2. The water pressing system applied to the high-density fiberboard of claim 1, wherein: the feeder comprises a plurality of layers of hydraulic lifting type feeding conveying layers, and each layer of feeding conveying layer is provided with a conveying belt independently.
3. The water pressing system applied to the high-density fiberboard of claim 1, wherein: the structure of the feeding machine is the same as that of the discharging machine.
4. The water pressing system applied to the high-density fiberboard of claim 1, wherein: the hot pressing plate is internally provided with a multi-loop in-and-out heating structure and is made of QBQ345, 345 and 345B low-alloy structural steel materials.
5. The water pressing system applied to the high-density fiberboard of claim 1, wherein: the bottom of the lower hot pressing plate is provided with a drainage channel, and the top of the lower hot pressing plate is provided with an air blowing hole.
6. The water pressing system applied to the high-density fiberboard of claim 5, wherein: and the negative pressure suction device is communicated to the drainage channel.
7. The water pressing system applied to the high-density fiberboard of claim 1, wherein: the internal blanket conveying device also comprises a roller, a blanket cleaning device, a blanket drying vacuum box and a tensioning device;
the number of the rollers is multiple, and the rollers are respectively arranged on the feeding side and the discharging side of the pressing plate group;
the conveying blankets are wound on the surfaces of the rollers, so that each conveying blanket is covered on the pressed surface of each hot pressing plate to form a double-layer blanket structure;
the blanket cleaning device is positioned on one side of the hot pressing plate and is used for cleaning the conveyed blanket;
the blanket drying vacuum box is positioned on one side of the hot pressing plate and is used for carrying out adsorption drying operation on the conveyed blanket cleaned by the blanket cleaning device;
the tensioning device is used for tensioning the conveying blanket.
8. The water pressing system applied to the high-density fiberboard of claim 1, wherein: the water press also comprises a pressure plate support frame and a lifting plate;
the pressure plate support frames are arranged in pairs;
in the vertical direction, the thickness of the pressure plate support frame is gradually reduced from inside to outside, the inner wall surface of the pressure plate support frame is inclined from inside to outside, and step bearing surfaces are arranged on the inner wall surface at intervals from bottom to top;
the number of the lifting plates is multiple, the length of each lifting plate is increased from bottom to top, and two ends of each lifting plate are respectively placed at the tops of the step bearing surfaces of the two opposite pressure plate supporting frames;
the hot pressing plate is fixed on the top surface of the lifting plate positioned at the bottommost layer, and the hot pressing plates are fixed on the top surfaces and the bottom surfaces of the rest lifting plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922066091.XU CN211227873U (en) | 2019-11-26 | 2019-11-26 | Water pressing system applied to high-density fiberboard |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922066091.XU CN211227873U (en) | 2019-11-26 | 2019-11-26 | Water pressing system applied to high-density fiberboard |
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| CN211227873U true CN211227873U (en) | 2020-08-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110761117A (en) * | 2019-11-26 | 2020-02-07 | 广东华凯科技股份有限公司 | Water pressing system applied to high-density fiberboard |
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2019
- 2019-11-26 CN CN201922066091.XU patent/CN211227873U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110761117A (en) * | 2019-11-26 | 2020-02-07 | 广东华凯科技股份有限公司 | Water pressing system applied to high-density fiberboard |
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