CN104552503A - Continuous pneumatic floating-press short-cycle veneering hot press - Google Patents
Continuous pneumatic floating-press short-cycle veneering hot press Download PDFInfo
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- CN104552503A CN104552503A CN201510051630.6A CN201510051630A CN104552503A CN 104552503 A CN104552503 A CN 104552503A CN 201510051630 A CN201510051630 A CN 201510051630A CN 104552503 A CN104552503 A CN 104552503A
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 105
- 239000010959 steel Substances 0.000 claims abstract description 105
- 238000007731 hot pressing Methods 0.000 claims abstract description 64
- 229910052751 metal Inorganic materials 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 20
- 239000004809 Teflon Substances 0.000 claims 2
- 229920006362 Teflon® Polymers 0.000 claims 2
- 238000010438 heat treatment Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000003825 pressing Methods 0.000 abstract description 7
- 238000004026 adhesive bonding Methods 0.000 abstract description 6
- 238000001125 extrusion Methods 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 9
- -1 polytetrafluoroethylene Polymers 0.000 description 7
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 7
- 239000004810 polytetrafluoroethylene Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000002023 wood Substances 0.000 description 4
- 239000011094 fiberboard Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011120 plywood Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008570 general process Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D3/00—Veneer presses; Press plates; Plywood presses
- B27D3/02—Veneer presses; Press plates; Plywood presses with a plurality of press plates, i.e. multi- platen hot presses
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- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
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- Veneer Processing And Manufacture Of Plywood (AREA)
Abstract
本发明涉及木质板材装饰贴面加工技术领域，尤其涉及一种连续气动浮压短周期贴面热压机。该连续热压机包括上热压板和下热压板，上下相对设置的上钢带和下钢带，以及上输送驱动件、下输送驱动件和上挤压驱动件，下热压板支撑在下钢环带的下面，上热压板由设置在其上方的上压驱动件驱动而压在上钢带的上面，上钢带和下钢带带之间形成挤压板坯的通道，板坯在上钢带和下钢带间向前连续运行时被加热加压胶合；上下热压板与钢带间通入热空气，热空气使钢带产生浮动，同时减少钢带与热压板间的摩擦，这样连续自动进料热压，省去了多层热压机装卸料的时间，提高了热压速度和生产效率，板坯在热压机中没有无压受热时间，加热加压均匀，胶合质量提高。
The invention relates to the technical field of decorative veneer processing of wooden boards, in particular to a short-cycle veneer hot press with continuous pneumatic floating pressure. The continuous hot press machine includes an upper hot press plate and a lower hot press plate, an upper steel belt and a lower steel belt arranged up and down oppositely, and an upper conveying drive, a lower conveying drive and an upper extrusion drive, and the lower hot press supports Under the lower steel ring belt, the upper hot-pressing plate is driven by the upper pressing driver arranged above it to press on the upper steel belt, and the channel for extruding the slab is formed between the upper steel belt and the lower steel belt. The billet is heated and pressurized and glued together when it runs forward continuously between the upper steel belt and the lower steel belt; hot air is passed between the upper and lower hot-pressed plates and the steel belt, and the hot air makes the steel belt float, and at the same time reduces the pressure of the steel belt and the hot-pressed plate. The friction between them, so that the continuous automatic feeding hot pressing saves the loading and unloading time of the multi-layer hot pressing machine, improves the hot pressing speed and production efficiency, and the slab has no pressure-free heating time in the hot pressing machine, heating and pressing Even, the quality of gluing is improved.
Description
技术领域technical field
本发明涉及板材装饰贴面加工技术领域，尤其涉及一种连续气动浮压短周期贴面热压机。The invention relates to the technical field of panel decorative veneer processing, in particular to a continuous pneumatic floating pressure short-cycle veneer hot press.
背景技术Background technique
目前，木材加工生产中，在木质复合板材表面贴敷装饰板是常用的工艺方法，主要目的是提高板材表面的装饰效果。一般基材采用多层胶合板、刨花板或中密度纤维板，表面贴敷装饰板后板材外观达到珍贵高品质木材的效果。目前采用的通用工艺是板材组坯、预压或不预压，进入多层热压机热压胶合，由于板材是一张张装入热压机的热压板，热压机闭合对板坯加热加压完成胶合，因为贴敷的装饰板很薄，热压周期短，而装卸板坯时间相对热压时间要长很多，热压速度和生产效率低，同时，板坯在热压机中无压受热时间长，预先放入热压机中的板坯的胶黏剂会提前凝固，这样在影响了生产效率的同时，也降低了胶合质量。At present, in wood processing and production, it is a common process to apply decorative panels on the surface of wood composite panels, the main purpose of which is to improve the decorative effect of the surface of the panels. Generally, the base material is multi-layer plywood, particle board or medium density fiberboard, and the appearance of the board after the decorative board is applied on the surface achieves the effect of precious high-quality wood. The general process currently used is to form the blanks of the plates, pre-press or not pre-press, and enter the multi-layer hot press for hot-pressing and gluing. Since the plates are hot-pressed plates loaded into the hot press one by one, the hot press is closed to the slab. Heat and press to complete the gluing, because the applied decorative board is very thin, the hot pressing cycle is short, and the time for loading and unloading the slab is much longer than the hot pressing time, and the hot pressing speed and production efficiency are low. At the same time, the slab is in the hot press If the pressureless heating time is long, the adhesive of the slabs put into the hot press in advance will solidify in advance, which affects the production efficiency and also reduces the bonding quality.
因此，针对以上不足，本发明提供了一种连续气动浮压短周期贴面热压机。Therefore, aiming at the above deficiencies, the present invention provides a short-cycle veneer hot press with continuous pneumatic floating pressure.
发明内容Contents of the invention
(一)要解决的技术问题(1) Technical problems to be solved
本发明的目的是提供一种连续气动浮压短周期贴面热压机以解决现有的热压方式生产效率低和胶合质量差的问题。The purpose of the present invention is to provide a short-period veneer hot press with continuous pneumatic floating pressure to solve the problems of low production efficiency and poor gluing quality in the existing hot pressing method.
(二)技术方案(2) Technical solutions
为了解决上述技术问题，本发明提供了一种连续气动浮压热压机，其包括上下相对设置的上热压板和下热压板，上下相对设置的上金属环带和下金属环带，以及上输送驱动件、下输送驱动件和上挤压驱动件，上金属环带和下金属环带分别由上输送驱动件和下输送驱动件驱动，下热压板支撑在下金属环带的下面，上热压板由设置在其上方的上挤压驱动件驱动而压在上金属环带的上面，上金属环带和下金属环带之间形成挤压板坯的通道。In order to solve the above technical problems, the present invention provides a continuous pneumatic floating pressure heat press, which includes an upper heat press plate and a lower heat press plate set up and down oppositely, an upper metal ring belt and a lower metal ring belt set up and down oppositely, And the upper conveying driving part, the lower conveying driving part and the upper extruding driving part, the upper metal endless belt and the lower metal endless belt are respectively driven by the upper conveying driving part and the lower conveying driving part, and the lower hot pressing plate is supported under the lower metal endless belt The upper hot pressing plate is driven by an upper extruding driver arranged above it to press on the upper metal ring belt, and a channel for extruding the slab is formed between the upper metal ring belt and the lower metal ring belt.
其中、所述上热压板和下热压板中均开设有热介质孔道，所述热介质孔道与热介质输送源连接；所述上热压板的底面设置有上衬板，所述下热压板的顶面设置有下衬板。Wherein, heat medium channels are opened in the upper heat press plate and the lower heat press plate, and the heat medium channels are connected with heat medium delivery sources; the bottom surface of the upper heat press plate is provided with an upper liner, and the lower The top surface of the hot pressing plate is provided with a lower liner.
其中、所述上衬板的上表面设置有热压缩空气通道，所述上衬板的底面开设有与所述热压缩空气通道相连通的槽孔。Wherein, the upper surface of the upper liner is provided with a hot compressed air channel, and the bottom surface of the upper liner is provided with a slot communicating with the hot compressed air channel.
其中、所述上衬板的底面开设有纵横交错长槽，所述长槽中镶嵌有聚四氟乙烯密封条。Wherein, the bottom surface of the upper liner is provided with criss-cross long grooves, and polytetrafluoroethylene sealing strips are embedded in the long grooves.
其中、所述下衬板的下表面设置有热压缩空气通道，所述下衬板的顶面开设有与所述热压缩空气通道相连通的槽孔。Wherein, the lower surface of the lower liner is provided with a hot compressed air channel, and the top surface of the lower liner is provided with a slot communicating with the hot compressed air channel.
其中、所述下衬板的顶面开设有纵横交错长槽，所述长槽中镶嵌有聚四氟乙烯密封条。Wherein, the top surface of the lower liner is provided with criss-cross long grooves, and polytetrafluoroethylene sealing strips are embedded in the long grooves.
其中、所述上金属环带和下金属环带分别为上钢带和下钢带，所述上钢带和下钢带之间的通道随进板的方向逐渐变窄。Wherein, the upper metal ring belt and the lower metal ring belt are respectively an upper steel belt and a lower steel belt, and the channel between the upper steel belt and the lower steel belt gradually narrows with the direction of the plate entering.
其中、所述上钢带和上热压板组件沿进板方向倾斜。Wherein, the upper steel strip and the upper hot-pressed plate assembly are inclined along the plate-feeding direction.
其中、还包括皮带输送机、自动升降台和气动推进装置，所述皮带输送机设置在上钢带和下钢带的进板端，所述自动升降台设置在皮带输送机的上板端，所述气动推进装置设置在自动升降台的侧边，以将自动升降台上上升到位的板坯推送至皮带输送机上。Wherein, it also includes a belt conveyor, an automatic lifting platform and a pneumatic propulsion device, the belt conveyor is arranged at the plate-feeding end of the upper steel belt and the lower steel belt, and the automatic lifting platform is arranged at the upper plate end of the belt conveyor, The pneumatic propulsion device is arranged on the side of the automatic lifting platform, so as to push the slab raised on the automatic lifting platform to the belt conveyor.
其中、所述皮带输送机包括依次设置的第一皮带输送机和第二皮带输送机，所述第一皮带输送机靠近上钢带和下钢带的进板端，所述第二皮带输送机的输送速度大于第一皮带输送机的输送速度。Wherein, the belt conveyor includes a first belt conveyor and a second belt conveyor arranged in sequence, the first belt conveyor is close to the end of the upper steel belt and the lower steel belt, and the second belt conveyor The conveying speed is greater than the conveying speed of the first belt conveyor.
(三)有益效果(3) Beneficial effects
本发明的上述技术方案具有如下优点：本发明提供的连续气动浮压短周期贴面热压机中，上下相对设置上钢制环带和下钢制环带，下热压板支撑在下钢带的下面，上热压板由设置在其上方的上压驱动件驱动而压在上钢带的上面，从而上钢带和下钢带之间形成挤压板坯的通道，热压板在上钢带和下钢带输送板坯的同时，会将热量传递给上钢带带和下钢带，上钢带和下钢带将热量传递给板坯，板坯在上钢带和下钢带夹持下向前连续运行时被加热加压胶合，这样连续自动进料热压，省去了多层热压机装卸料的时间，提高了热压速度和生产效率，板坯在热压机中没有无压受热时间，加热加压均匀，胶合质量提高。The above-mentioned technical scheme of the present invention has the following advantages: In the continuous pneumatic floating pressure short-cycle veneer hot press provided by the present invention, an upper steel ring belt and a lower steel ring belt are arranged up and down oppositely, and the lower hot pressing plate is supported on the lower steel belt The upper hot-pressing plate is driven by the upper-pressing driver arranged above it to press on the upper steel belt, so that a channel for extruding the slab is formed between the upper steel belt and the lower steel belt, and the hot-pressing plate is on the upper When the steel belt and the lower steel belt convey the slab, the heat will be transferred to the upper steel belt and the lower steel belt, and the upper steel belt and the lower steel belt will transfer the heat to the slab. It is heated, pressurized and glued when it is clamped and moved forward continuously. In this way, the continuous automatic feeding and hot pressing saves the time for loading and unloading materials of the multi-layer hot press, and improves the hot pressing speed and production efficiency. There is no pressure-free heating time, the heating and pressure are uniform, and the bonding quality is improved.
附图说明Description of drawings
图1是本发明实施例连续气动浮压短周期贴面热压机的结构示意图；Fig. 1 is a schematic structural view of a continuous pneumatic buoyancy short cycle veneer heat press according to an embodiment of the present invention;
图2是本发明实施例连续气动浮压短周期贴面热压机中上热压板和上钢带的结构示意图。Fig. 2 is a schematic structural view of the upper hot-pressing plate and the upper steel belt in the continuous pneumatic floating pressure short-cycle veneer hot press according to the embodiment of the present invention.
图中，1：上热压板；2：下热压板；3：上钢带；4：下钢带；5：钢带驱动滚筒；6：驱动电机；7：热介质孔道；8：上衬板；9：热压缩空气通道；10：槽孔；11：密封条；12：上压驱动件；13：下压驱动件；14：热空气聚气区域。In the figure, 1: upper hot pressing plate; 2: lower hot pressing plate; 3: upper steel belt; 4: lower steel belt; 5: steel belt driving drum; 6: driving motor; 7: heat medium channel; 8: upper Lining plate; 9: hot compressed air channel; 10: slot hole; 11: sealing strip; 12: upper pressure driving part; 13: lower pressure driving part; 14: hot air gas accumulation area.
具体实施方式Detailed ways
下面结合附图和实施例对本发明的具体实施方式作进一步详细描述。以下实施例用于说明本发明，但不用来限制本发明的范围。The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
如图1和图2所示所示，本发明提供连续气动浮压短周期贴面热压机包括上下相对设置的上热压板1和下热压板2，上下相对设置的上钢制环带3和下钢制环带4，以及上钢带驱动件、下钢带驱动件和上压驱动件12，上钢带3和下钢带4分别由上钢带驱动件和下刚带驱动件驱动，下热压板2支撑在下刚带带4的下面，上热压板1由设置在其上方的上压驱动件12驱动而压在上钢带3的上面，上钢带3和下钢带4之间形成挤压板坯的通道。As shown in Figures 1 and 2, the present invention provides a continuous pneumatic floating pressure short-cycle veneer hot press comprising an upper hot pressing plate 1 and a lower hot pressing plate 2 arranged up and down oppositely, and an upper steel ring arranged up and down oppositely. Belt 3 and lower steel endless belt 4, and upper steel belt driver, lower steel belt driver and upper pressure driver 12, upper steel belt 3 and lower steel belt 4 are respectively driven by upper steel belt driver and lower steel belt The lower hot pressing plate 2 is supported under the lower steel belt 4, and the upper hot pressing plate 1 is driven by the upper pressing driver 12 arranged above it to press on the upper steel belt 3, and the upper steel belt 3 and the lower The channels for extruding the slab are formed between the steel belts 4 .
其中，上钢带和下钢带；上钢带驱动件包括两个滚筒5和一个驱动电机6，下钢带驱动件包括两个滚筒5和一个驱动电机6，上钢带3和下钢带4分别由相应的两个滚筒5张紧，然后滚筒5由相应的电机驱动，进而带动钢带运转，以带动板坯前进，滚筒5和驱动电机6安装在相应的安装架上。Among them, the upper steel belt and the lower steel belt; the upper steel belt driving part includes two drums 5 and a driving motor 6, the lower steel belt driving part includes two drums 5 and a driving motor 6, the upper steel belt 3 and the lower steel belt 4 are respectively tensioned by two corresponding rollers 5, and then the rollers 5 are driven by corresponding motors, and then drive the steel belt to run, so as to drive the slab forward, and the rollers 5 and the driving motors 6 are installed on the corresponding mounting frames.
具体地，本发明中对板坯施压的部件是上下连续运行的钢带和在钢带内侧与钢带接触热压板，其中，下钢带和下热压板2高度位置固定，上钢带和上热压板1通过上压驱动件12向下施压，该上压驱动件12具体为油缸。其中，热压板在钢带输送板坯的同时，会将热量传递给钢带，钢带的热量传递给板坯，板坯在上下钢带夹持下向前连续运行时被加热加压胶合。Specifically, in the present invention, the components for applying pressure to the slab are the steel strip running continuously up and down and the hot pressing plate in contact with the steel strip inside the steel strip, wherein the height of the lower steel strip and the lower hot pressing plate 2 are fixed, and the upper steel strip The belt and the upper hot-pressing plate 1 are pressed downward through the upper-press driving member 12, and the upper-press driving member 12 is specifically an oil cylinder. Among them, when the steel belt conveys the slab, the hot-pressing plate will transfer heat to the steel belt, and the heat of the steel belt will be transferred to the slab, and the slab will be heated and pressurized and glued when it is continuously running forward under the clamping of the upper and lower steel belts. .
进一步地，所述上热压板1和下热压板2中均开设有热介质孔道7，所述热介质孔道7与热介质输送源连接，通过热介质源向热压板中通入热介质以加热热压板。其中，热介质可以是导热油、热水或蒸汽，热介质加热热压板，热压板传递热能给钢带，钢带通过接触加热板坯。所述热压板表面衬以铜质或铝合金衬板，所述上热压板1的底面设置有上衬板8，所述下热压板2的顶面设置有下衬板。Further, heat medium channels 7 are provided in the upper heat press plate 1 and the lower heat press plate 2, and the heat medium channels 7 are connected to the heat medium supply source, and heat is introduced into the heat press plate through the heat medium source. medium to heat the heat platen. Wherein, the heat medium can be heat conduction oil, hot water or steam. The heat medium heats the hot pressing plate, and the hot pressing plate transfers heat energy to the steel strip, and the steel strip heats the slab through contact. The surface of the hot-pressing plate is lined with a copper or aluminum alloy lining, the bottom of the upper hot-pressing plate 1 is provided with an upper lining 8 , and the top of the lower hot-pressing plate 2 is provided with a lower lining.
所述上热压板1的底面与所述上衬板8连接的位置设置有热压缩空气通道9，所述上衬板8的底面开设有与所述热压缩空气通道9相连通的孔10；所述上衬板8的底面开设有纵横交错长槽，所述长槽中镶嵌有密封条11，从而纵横的密封条11形成块状热空气聚气区域14，热压缩空气中的热气通过孔10吹向热空气聚气区域14，从而对上钢带产生浮压。The position where the bottom surface of the upper hot pressing plate 1 is connected to the upper liner 8 is provided with a hot compressed air channel 9 , and the bottom surface of the upper liner 8 is provided with a hole 10 communicating with the hot compressed air channel 9 The bottom surface of the upper liner 8 is provided with criss-cross long grooves, and the sealing strips 11 are inlaid in the long grooves, so that the vertical and horizontal sealing strips 11 form a block-shaped hot air gas gathering area 14, and the hot gas in the hot compressed air passes through The holes 10 blow to the hot air accumulation area 14, thereby creating a buoyant pressure on the upper steel belt.
所述下热压板2的顶面与所述下衬板连接的位置设置有热压缩空气通道9，所述下衬板的顶面开设有与所述热压缩空气通道9相连通的孔10；所述下衬板的顶面开设有纵横交错长槽，所述长槽中镶嵌有密封条11，从而纵横的密封条11形成块状热空气聚气区域14，热压缩空气中的热气通过槽孔10吹向热空气聚气区域14，从而对下钢带产生浮压。The position where the top surface of the lower hot pressing plate 2 is connected to the lower liner is provided with a hot compressed air channel 9, and the top surface of the lower liner is provided with a hole 10 communicating with the hot compressed air channel 9 The top surface of the lower liner is provided with criss-cross long grooves, and the sealing strips 11 are inlaid in the long grooves, so that the vertical and horizontal sealing strips 11 form a block-shaped hot air gas gathering area 14, and the hot gas in the hot compressed air passes through The slots 10 are blown towards the hot air accumulating area 14, thereby creating floating pressure on the lower steel strip.
具体地，通过衬板内部设置热压缩空气通道9，垂直衬板板面加工有小直径通孔10，孔10内喷出一定压力和温度的热空气，一定压力的热空气充入热压板与钢带间，钢带产生浮压，以减小热压板与钢带的接触摩擦。上、下热压板2上的上、下衬板8表面加工纵向和横向槽，槽内镶嵌的密封条11优选为聚四氟乙烯条，聚四氟乙烯在热压板和钢带之间起润滑和密封作用，热压板表面的纵横镶嵌的聚四氟乙烯条将热压板表面分割为若干充气空间(热空气聚气区域14)，聚四氟乙烯条在热压板和钢带之间起密封作用。Specifically, the hot compressed air channel 9 is set inside the lining board, and the vertical lining board surface is processed with a small-diameter through hole 10. Hot air of a certain pressure and temperature is sprayed out from the hole 10, and the hot air of a certain pressure is filled into the hot pressing plate. Between the steel belt and the steel belt, the steel belt generates floating pressure to reduce the contact friction between the hot pressing plate and the steel belt. The surface of the upper and lower liners 8 on the upper and lower hot pressing plates 2 is processed with longitudinal and transverse grooves, and the sealing strip 11 embedded in the grooves is preferably a polytetrafluoroethylene strip, and the polytetrafluoroethylene is between the hot pressing plate and the steel strip. It plays the role of lubrication and sealing. The polytetrafluoroethylene strips inlaid vertically and horizontally on the surface of the hot pressing plate divide the surface of the hot pressing plate into several air-filled spaces (hot air gathering area 14). seal between them.
这样，上、下热压板2与钢带间通入一定压力的热空气，热空气在钢带和热压板间使钢带产生浮动，同时减少钢带与热压板间的摩擦，板坯在上、下钢带夹持下向前连续运行，在板坯运行期间被加热加压胶合。In this way, a certain pressure of hot air is introduced between the upper and lower hot-pressing plates 2 and the steel strip, and the hot air causes the steel strip to float between the steel strip and the hot-pressing plate, and at the same time reduces the friction between the steel strip and the hot-pressing plate. The slab runs forward continuously under the clamping of the upper and lower steel belts, and is glued together by heating and pressure during the running of the slab.
进一步地，还包括下压驱动件13，下压驱动件13连接在下热压板2的下方，以调节下热压板2的位置和平整度。Further, it also includes a pressing driving member 13 , which is connected under the lower hot pressing plate 2 to adjust the position and flatness of the lower hot pressing plate 2 .
进一步地，本发明还包括皮带输送机、自动升降台和气动推进装置，所述皮带输送机设置在上钢带3和下钢带4的进板端，所述自动升降台设置在皮带输送机的上板端，所述气动推进装置设置在自动升降台的侧边，以将自动升降台上上升到位的板坯推送至皮带输送机上；所述皮带输送机包括依次设置的第一皮带输送机和第二皮带输送机，所述第一皮带输送机靠近上钢带3和下钢带4的进板端，所述第二皮带输送机的输送速度大于第一皮带输送机的输送速度。Further, the present invention also includes a belt conveyor, an automatic lifting platform and a pneumatic propulsion device, the belt conveyor is arranged at the plate feeding end of the upper steel belt 3 and the lower steel belt 4, and the automatic lifting platform is arranged on the belt conveyor The upper end of the upper plate, the pneumatic propulsion device is arranged on the side of the automatic lifting platform, so as to push the slab that has risen to the position on the automatic lifting platform to the belt conveyor; the belt conveyor includes the first belt conveyor arranged in sequence And the second belt conveyor, the first belt conveyor is close to the plate-feed end of the upper steel belt 3 and the lower steel belt 4, and the delivery speed of the second belt conveyor is greater than the delivery speed of the first belt conveyor.
上述技术方案中，板坯垛置于自动升降台上，气动推进装置推动板坯进料，板坯进入皮带运输机，由于所述皮带输送机包括依次设置的第一皮带输送机和第二皮带输送机，所述第二皮带输送机的输送速度大于第一皮带输送机的输送速度，以消除多个板坯之间的间距，达到连续进料。In the above technical solution, the slabs are stacked on the automatic lifting platform, the pneumatic propulsion device pushes the slabs to feed, and the slabs enter the belt conveyor, because the belt conveyor includes the first belt conveyor and the second belt conveyor arranged in sequence. Machine, the conveying speed of the second belt conveyor is greater than the conveying speed of the first belt conveyor, so as to eliminate the distance between multiple slabs and achieve continuous feeding.
所述上钢带3和下钢带4之间的通道随进板的方向逐渐变窄，从而上钢带和上热压板1施加的压力在钢带长度方向上随板坯的进给逐渐增大，进而实现对板坯的进一步压合。The channel between the upper steel strip 3 and the lower steel strip 4 narrows gradually with the direction of the plate feeding, so that the pressure exerted by the upper steel strip and the upper hot pressing plate 1 gradually increases with the feeding of the slab in the length direction of the steel strip. Increase, and then realize the further pressing of the slab.
本发明可以实现中密度纤维板、刨花板等木质人造板浸渍木纹纸连续热压饰面，或经过预压成型的单板饰面胶合板、中密度纤维板和刨花板等的热压胶合。The invention can realize continuous hot-pressing veneering of wood-based panels such as medium-density fiberboards and particleboards impregnated with wood-grain paper, or hot-pressing bonding of pre-pressed veneer veneer plywood, medium-density fiberboards and particleboards.
本发明的工作原理为：热介质加热热压板，热压板传递热能给钢带，钢带通过接触加热板坯，上热压板的底面和下热压板的顶面加工纵向和横向槽，槽内镶嵌聚四氟乙烯条，聚四氟乙烯在热压板和钢带之间起润滑和密封作用，衬板内部设置热空气通道，垂直衬板板面加工有小直径槽孔10，槽孔10内喷出一定压力和温度的热空气，一定压力的热空气充入热压板与钢带间，钢带产生浮压，以减小热压板与钢带的接触摩擦。钢带运行速度可调，板坯进入热压机后被钢带夹持加热加压，热压时间由钢带运行速度确定。The working principle of the present invention is: the heat medium heats the hot pressing plate, the hot pressing plate transfers heat energy to the steel strip, the steel strip heats the slab through contact, the bottom surface of the upper hot pressing plate and the top surface of the lower hot pressing plate process longitudinal and transverse grooves , inlaid polytetrafluoroethylene strips in the groove, polytetrafluoroethylene acts as a lubricant and seal between the hot-pressed plate and the steel belt, a hot air passage is set inside the lining plate, and small-diameter slots 10 are processed on the vertical lining plate surface, Hot air of a certain pressure and temperature is ejected from the slot 10, and the hot air of a certain pressure is filled between the hot pressing plate and the steel strip, and the steel strip generates floating pressure to reduce the contact friction between the hot pressing plate and the steel strip. The running speed of the steel belt is adjustable. After the slab enters the hot press machine, it is clamped by the steel belt and heated and pressurized. The hot pressing time is determined by the running speed of the steel belt.
本发明提供的连续输送热压机具有以下优点：The continuous delivery hot press provided by the present invention has the following advantages:
1、提高了热压速度和生产效率，由于连续进料热压，省去了多层热压机装卸料的时间，自动进料，生产效率高；1. Improve the hot pressing speed and production efficiency. Due to the continuous feeding hot pressing, the time for loading and unloading materials of the multi-layer hot pressing machine is saved, and the feeding is automatic, and the production efficiency is high;
2、提高了胶合质量，板坯在热压机中没有无压受热时间，加热加压均匀，胶合质量提高；2. The gluing quality is improved, the slab has no pressure-free heating time in the hot press, the heating and pressure are uniform, and the gluing quality is improved;
3、钢带提供的板面单位压力不高，适合于表面装饰加工。3. The unit pressure of the plate surface provided by the steel belt is not high, which is suitable for surface decoration processing.
4、板坯垛置于自动升降台上，快速进料，板坯由前、后依次设置的第一皮带输送机和第二皮带输送机进给，第二皮带输送机运行速度大于第一皮带输送机，从而消除板坯之间的间距，达到连续进料；4. The slabs are stacked on the automatic lifting platform, and the materials are fed quickly. The slabs are fed by the first belt conveyor and the second belt conveyor arranged in front and rear in sequence. The second belt conveyor runs faster than the first belt conveyor. Conveyor, thereby eliminating the spacing between slabs and achieving continuous feeding;
5、自动进料，降低劳动强度，减少用工数量。5. Automatic feeding, reducing labor intensity and labor quantity.
以上所述仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明技术原理的前提下，还可以做出若干改进和变型，这些改进和变型也应视为本发明的保护范围。7 -->The above is only a preferred embodiment of the present invention, it should be pointed out that for those of ordinary skill in the art, without departing from the technical principle of the present invention, some improvements and modifications can also be made, these improvements and modifications It should also be regarded as the protection scope of the present invention. 7 -->
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