TWI607865B - Composite board molding machine - Google Patents
Composite board molding machine Download PDFInfo
- Publication number
- TWI607865B TWI607865B TW105131952A TW105131952A TWI607865B TW I607865 B TWI607865 B TW I607865B TW 105131952 A TW105131952 A TW 105131952A TW 105131952 A TW105131952 A TW 105131952A TW I607865 B TWI607865 B TW I607865B
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- pipe
- injection
- discharge
- template
- main
- Prior art date
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- 239000002131 composite material Substances 0.000 title claims description 64
- 238000000465 moulding Methods 0.000 title description 6
- 238000002347 injection Methods 0.000 claims description 72
- 239000007924 injection Substances 0.000 claims description 72
- 238000010438 heat treatment Methods 0.000 claims description 24
- 238000004891 communication Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 239000000498 cooling water Substances 0.000 claims description 10
- 238000002485 combustion reaction Methods 0.000 claims description 8
- 230000007246 mechanism Effects 0.000 claims description 7
- 239000003086 colorant Substances 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 239000010720 hydraulic oil Substances 0.000 description 22
- 239000002994 raw material Substances 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 238000009834 vaporization Methods 0.000 description 4
- 230000008016 vaporization Effects 0.000 description 4
- 238000009415 formwork Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000010902 straw Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
- B30B1/32—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by plungers under fluid pressure
- B30B1/34—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by plungers under fluid pressure involving a plurality of plungers acting on the platen
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
- B30B11/22—Extrusion presses; Dies therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/34—Heating or cooling presses or parts thereof
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Description
本發明涉及板材成型設備領域，具體而言，涉及複合板成型機。 The present invention relates to the field of sheet metal forming equipment, and in particular to a composite sheet forming machine.
習知的高壓複合板成型機一般含有機架、工作臺、柱塞油缸、上模、左運送裝置和右運送裝置。上模通過連板設置在柱塞油缸的柱塞上，柱塞油缸設置在機架的上部，左運送裝置和右運送裝置分別位於高壓成型機工作臺的左側和右側，左運送裝置和右運送裝置的形狀及構造相同，均含有下模和模框，下模位於模框的下方。所述機架的左側和右側分別設有左脫模裝置和右脫模裝置，左脫模裝置和右脫模裝置結構相同。 Conventional high pressure composite panel forming machines generally include a frame, a table, a plunger cylinder, an upper die, a left conveyor, and a right conveyor. The upper mold is disposed on the plunger of the plunger cylinder through the connecting plate, the plunger cylinder is disposed at the upper portion of the frame, and the left conveying device and the right conveying device are respectively located at the left and right sides of the high pressure molding machine table, the left conveying device and the right conveying The device has the same shape and construction, and both have a lower die and a mold frame, and the lower die is located below the mold frame. The left side and the right side of the frame are respectively provided with a left stripping device and a right stripping device, and the left stripping device and the right stripping device have the same structure.
但是，上述高壓複合板成型機的液壓油由於需要在液壓箱和液壓缸之間往返多次，且主油缸內的液壓油容量較大，伸縮速度較慢，導致下模上升速度慢，板材成型效率低，同時液壓油產生的摩擦力會很大，導致液壓油容易加壓升溫，功能減低，受用壽命縮短。 However, the hydraulic oil of the above-mentioned high-pressure composite plate forming machine needs to be reciprocated a plurality of times between the hydraulic tank and the hydraulic cylinder, and the hydraulic oil in the main cylinder has a large capacity, and the expansion speed is slow, resulting in a slow rise of the lower mold, and sheet forming. The efficiency is low, and the friction generated by the hydraulic oil is large, which causes the hydraulic oil to be easily pressurized and heated, the function is reduced, and the service life is shortened.
本發明的目的在於提供一種工作效率較高的複合板成型機，以改善上述問題。 It is an object of the present invention to provide a composite sheet forming machine with high work efficiency to improve the above problems.
本發明是這樣實現的：本發明的複合板成型機包括機架、加熱裝置、主液壓缸、兩個輔助液壓缸以及液壓箱。所述機架上固定連接有頂模板且滑動連接有底模板，所述頂模板和底模板分別與加熱裝置連接，所述頂模板和底模板共同形成用於成型複合板的擠壓機構。所述主液壓缸以及兩個輔助液壓缸的缸筒分別與液壓箱連通，所述主液壓缸以及兩個輔助液壓缸的活塞桿分別與所述底模板連接，兩個輔助液壓缸分別位於主液壓缸的兩側，兩個輔助液壓缸的缸筒的直徑均小於所述主液壓缸。 The present invention is achieved in that the composite sheet forming machine of the present invention comprises a frame, a heating device, a master cylinder, two auxiliary hydraulic cylinders, and a hydraulic tank. A top template is fixedly coupled to the frame and a bottom plate template is slidably coupled, and the top plate and the bottom plate are respectively connected to a heating device, and the top plate and the bottom plate form together to form a pressing mechanism for molding the composite plate. The cylinders of the main hydraulic cylinder and the two auxiliary hydraulic cylinders are respectively communicated with the hydraulic tank, and the piston rods of the main hydraulic cylinder and the two auxiliary hydraulic cylinders are respectively connected with the bottom template, and the two auxiliary hydraulic cylinders are respectively located at the main On both sides of the hydraulic cylinder, the cylinders of the two auxiliary hydraulic cylinders are smaller in diameter than the main hydraulic cylinder.
較佳地，所述頂模板和底模板之間設置有複數個中模板，複數個中模板沿豎直方向間隔設置。所述機架上設置有用於支撐各個中模板的凸台，各個中模板均能垂直向上滑動，各個中模板均與加熱裝置連接。所述頂模板、複數個中模板以及底模板共同形成用於成型複合板的擠壓機構。 Preferably, a plurality of middle templates are disposed between the top template and the bottom template, and the plurality of middle templates are spaced apart in a vertical direction. The frame is provided with a boss for supporting each middle template, and each of the middle templates can slide vertically upward, and each of the middle templates is connected with the heating device. The top template, the plurality of middle stencils, and the bottom stencil together form a squeezing mechanism for forming the composite panel.
設置複數個中模板的目的在於強化本複合板成型機的功能，使其能夠同時成型複數張複合板，大大提高本複合板成型機的工作效率。 The purpose of setting a plurality of middle templates is to strengthen the function of the composite sheet forming machine, so that it can simultaneously form a plurality of composite sheets, thereby greatly improving the working efficiency of the composite sheet forming machine.
較佳地，所述頂模板、複數個中模板以及底模板內均設置有熱交換管道。所述加熱裝置包括注入管和排出管，所述注入管一端與熱交換管道的進口連通，另一端連通有蒸汽源，所述排出管與熱交換管道的出口連通。 Preferably, a heat exchange conduit is disposed in the top template, the plurality of middle templates, and the bottom template. The heating device includes an injection pipe and a discharge pipe, one end of which is in communication with an inlet of the heat exchange pipe, and the other end is connected to a steam source, and the discharge pipe is in communication with an outlet of the heat exchange pipe.
這樣設置加熱裝置的目的在於其結構簡單，製造方便，可以有效實現對頂模板、中模板以及底模板的直接加熱，從而實現對複合板原材料的間接加熱，提高複合板成品的質品質。 The purpose of the heating device is that the structure is simple and the manufacturing is convenient, and the direct heating of the top template, the middle template and the bottom template can be effectively realized, thereby indirectly heating the raw material of the composite board and improving the quality of the finished product.
較佳地，所述注入管包括注入主管和複數根注入支管，複 數根注入支管分別與所述注入主管連通，各根注入支管遠離注入主管的一端分別連通有注入軟管，複數根注入軟管遠離注入支管的一端分別與所述頂模板、複數個中模板以及底模板內的熱交換管道的進口連通；所述排出管包括排出主管和複數根排出支管，複數根排出支管分別與所述排出主管連通，各根排出支管遠離排出主管的一端均連通有複數根排出軟管，複數根排出軟管的一端分別與所述頂模板、複數個中模板以及底模板內的熱交換管道的出口連通，另一端分別與排出主管連通。 Preferably, the injection tube comprises an injection main pipe and a plurality of injection branch pipes, a plurality of injection branches are respectively connected to the injection main pipe, and one end of each injection branch pipe away from the injection main pipe is respectively connected with an injection hose, and one end of the plurality of injection hoses away from the injection branch pipe respectively respectively with the top template and the plurality of middle templates An inlet of the heat exchange pipe in the bottom plate is connected; the discharge pipe includes a discharge main pipe and a plurality of discharge branch pipes, and the plurality of discharge branch pipes are respectively communicated with the discharge main pipe, and one end of each of the discharge branch pipes away from the discharge main pipe is connected with a plurality of roots The discharge hose has one end connected to the outlet of the top plate, the plurality of middle plates and the heat exchange pipe in the bottom plate, and the other end respectively communicating with the discharge main pipe.
這樣設置注入管和排出管的目的在於其結構緊湊，節約空間，方便設置。 The purpose of the injection tube and the discharge tube is that the structure is compact, space-saving, and convenient to set.
較佳地，通過注入軟管相互連通的注入支管和中模板的外壁上塗有相同的顏色，各組相互連通的注入支管和中模板的顏色各不相同。 Preferably, the injection branch and the intermediate wall of the intermediate plate are connected to each other by the injection hose to have the same color, and the colors of the injection branch and the intermediate plate which are connected to each other are different.
設置多種顏色的目的在於使得使用者可以根據實際需求，對照顏色對各個模板進行單獨加熱處理，提高本複合板成型機操作的便捷性。 The purpose of setting a plurality of colors is to enable the user to individually heat the respective templates according to actual needs and to control the convenience of the operation of the composite sheet forming machine.
較佳地作為優選的，所述注入主管和排出主管均為四通管，所述注入主管的一根分管與多根注入支管連通，另外三根分管分別與蒸汽源、冷卻水源以及空氣源連通，所述排出主管的其中一根分管與多根排出支管連通，另外三根分管分別用於排出蒸汽、冷卻水以及空氣。 Preferably, the injection main pipe and the discharge main pipe are all four-way pipes, one branch pipe of the injection main pipe is connected with a plurality of injection branch pipes, and the other three branch pipes are respectively connected with a steam source, a cooling water source and an air source. One of the discharge main pipes is in communication with a plurality of discharge branch pipes, and the other three separate pipes are respectively used for discharging steam, cooling water, and air.
這樣設置注入主管和排出主管的目的在於對成型後的高溫的複合板進行冷卻處理，從而提高複合板成品的品質。 The purpose of providing the injection main pipe and the discharge main pipe in this way is to cool the formed high-temperature composite plate, thereby improving the quality of the composite plate finished product.
作為優選的，所述蒸汽源為鍋爐，所述鍋爐的蒸汽發生腔與所述注入管連通，燃燒用水腔與所述排出管連通。 Preferably, the steam source is a boiler, and a steam generating chamber of the boiler is in communication with the injection pipe, and a combustion water chamber is in communication with the discharge pipe.
選用鍋爐的目的在於獲得穩定的蒸汽源，保證複合板成型機的正常運行；這樣設置排出管的目的在於使得高溫蒸汽在排出模板外時會回收到鍋爐燃燒用水內，令其水溫增高，以利於鍋爐在燃燒成蒸汽，燃燒速度加快，節省燃料從而達到節能效應。 The purpose of selecting the boiler is to obtain a stable steam source and ensure the normal operation of the composite sheet forming machine; the purpose of setting the discharge pipe is to recover the high temperature steam into the boiler combustion water when it is discharged outside the formwork, so that the water temperature is increased, so that the water temperature is increased. Conducive to the combustion of the boiler into steam, the burning speed is accelerated, saving fuel and achieving energy saving effect.
作為優選的，所述底模板和每個中模板的上表面上均設置有分層頂模彈簧。 Preferably, a layered top mold spring is disposed on the upper surface of the bottom plate and each of the middle plates.
設置分層頂模彈簧的目的在於方便排汽。 The purpose of the layered top mold spring is to facilitate the exhaust.
作為優選的，本複合板成型機還包括排汽裝置，所述排汽裝置包括排汽管，所述排汽管的進氣端設置有排氣扇和集氣罩，所述集氣罩對應所述機架的頂部。 Preferably, the composite panel forming machine further comprises a steam exhausting device, wherein the steam exhausting device comprises a steam exhausting pipe, wherein an exhausting end of the steam exhausting pipe is provided with an exhaust fan and a gas collecting cover, and the gas collecting cover corresponds to The top of the rack.
設置排汽裝置的目的在於方便原材料中汽化產生的水汽的集中排放。 The purpose of the exhaust device is to facilitate the concentrated discharge of water vapor generated by vaporization in the raw materials.
作為優選的，所述液壓箱的位置高於所述主液壓缸和兩個輔助液壓缸。 Preferably, the hydraulic tank is positioned higher than the main hydraulic cylinder and the two auxiliary hydraulic cylinders.
這樣設置的目的在於利用液壓缸和液壓箱內液壓油的勢能差，使得液壓油能自行注入主液壓缸內，上述設置使得生產速度加快，具有節電效果，更令液壓油的油溫緩慢增加，保證液壓油的使用效果，使用壽命增長。 The purpose of this setting is to utilize the potential energy difference of the hydraulic oil in the hydraulic cylinder and the hydraulic tank, so that the hydraulic oil can be injected into the main hydraulic cylinder by itself, and the above setting makes the production speed faster, has the effect of saving electricity, and the oil temperature of the hydraulic oil is slowly increased. Guarantee the use of hydraulic oil and increase the service life.
本發明的有益效果是：本複合板成型機採用增設兩個輔助液壓缸的結構，可以有效提高底模板的上升速度和複合板的生產效率，大大降低液壓油產生的摩擦力，維持液壓油的使用功能，延長液壓油的使用壽命，彌補現有技術的缺陷。 The invention has the beneficial effects that the composite plate forming machine adopts the structure of adding two auxiliary hydraulic cylinders, can effectively improve the rising speed of the bottom plate and the production efficiency of the composite plate, greatly reduce the friction generated by the hydraulic oil, and maintain the hydraulic oil. Use the function to extend the service life of the hydraulic oil and make up for the defects of the prior art.
100‧‧‧機架 100‧‧‧Rack
200‧‧‧頂模板 200‧‧‧ top template
220‧‧‧中模板 220‧‧‧ template
240‧‧‧底模板 240‧‧‧ bottom template
300‧‧‧主液壓缸 300‧‧‧Main hydraulic cylinder
400‧‧‧輔助液壓缸 400‧‧‧Auxiliary hydraulic cylinder
500‧‧‧液壓箱 500‧‧‧ hydraulic tank
600‧‧‧注入主管 600‧‧‧Injection supervisor
700‧‧‧排出主管 700‧‧‧Export supervisor
800‧‧‧凸台 800‧‧‧Boss
900‧‧‧排汽管 900‧‧‧Exhaust pipe
為了更清楚地說明本發明實施例的技術方案，下面將對實施例中所需要使用的附圖作簡單地介紹，應當理解，以下附圖僅示出了本發明的某些實施例，因此不應被看作是對範圍的限定，對於本領域普通技術人員來講，在不付出創造性勞動的前提下，還可以根據這些附圖獲得其他相關的附圖。 In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments will be briefly described below. It should be understood that the following drawings show only certain embodiments of the present invention, and therefore It should be seen as a limitation on the scope, and those skilled in the art can obtain other related drawings according to these drawings without any creative work.
圖1為本發明實施例提供的複合板成型機的結構示意圖；圖2為本發明實施例提供的複合板成型機另一角度的結構示意圖；圖3為本發明實施例提供的中模板和凸台的安裝示意圖。 1 is a schematic structural view of a composite panel forming machine according to an embodiment of the present invention; FIG. 2 is a schematic structural view of a composite panel forming machine according to an embodiment of the present invention; FIG. 3 is a schematic diagram of a template and a convex body according to an embodiment of the present invention; The installation diagram of the station.
為使本發明實施例的目的、技術方案和優點更加清楚，下面將結合本發明實施例中的附圖，對本發明實施例中的技術方案進行清楚、完整地描述，顯然，所描述的實施例是本發明一部分實施例，而不是全部的實施例。通常在此處附圖中描述和示出的本發明實施例的元件可以以各種不同的配置來佈置和設計。因此，以下對在附圖中提供的本發明的實施例的詳細描述並非旨在限制要求保護的本發明的範圍，而是僅僅表示本發明的選定實施例。基於本發明中的實施例，本領域普通技術人員在沒有作出創造性勞動前提下所獲得的所有其他實施例，都屬於本發明保護的範圍。 The technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. It is a partial embodiment of the invention, and not all of the embodiments. The elements of the embodiments of the invention, which are generally described and illustrated in the figures herein, may be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the invention in the claims All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.
在本發明的描述中，需要說明的是，術語“中心”、 “上”、“下”、“左”、“右”、“垂直”、“水平”、“內”、“外”等指示的方位或位置關係為基於附圖所示的方位或位置關係，或者是該發明產品使用時慣常擺放的方位或位置關係，僅是為了便於描述本發明和簡化描述，而不是指示或暗示所指的裝置或元件必須具有特定的方位、以特定的方位構造和操作，因此不能理解為對本發明的限制。此外，術語“第一”、“第二”、“第三”等僅用於區分描述，而不能理解為指示或暗示相對重要性。 In the description of the present invention, it should be noted that the term "center", The orientation or positional relationship of the indications of "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or positional relationship shown in the drawings. Or the orientation or positional relationship that is conventionally placed when the product of the invention is used, for the convenience of the description of the invention and the simplified description, rather than indicating or implying that the device or component referred to has a specific orientation, is constructed in a specific orientation, and The operation is therefore not to be construed as limiting the invention. Moreover, the terms "first", "second", "third", and the like are used merely to distinguish a description, and are not to be construed as indicating or implying a relative importance.
在本發明的描述中，還需要說明的是，除非另有明確的規定和限定，術語“設置”、“安裝”、“相連”、“連接”應做廣義理解，例如，可以是固定連接，也可以是可拆卸連接，或一體地連接；可以是機械連接，也可以是電連接；可以是直接相連，也可以通過中間媒介間接相連，可以是兩個元件內部的連通。對於所屬技術領域具有通常知識者而言，可以具體情況理解上述術語在本發明中的具體含義。 In the description of the present invention, it should be noted that the terms "set", "install", "connected", and "connected" are to be understood broadly, and may be fixed connections, for example, unless otherwise specifically defined and defined. It can also be a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and can be internal communication between the two elements. The specific meaning of the above terms in the present invention can be understood in a specific case for those having ordinary skill in the art.
參照圖1-3，本複合板成型機包括機架100、加熱裝置、主液壓缸300、兩個輔助液壓缸400以及液壓箱500。所述機架100上固定連接有頂模板200且滑動連接有底模板240，所述頂模板200和底模板240分別與加熱裝置連接，所述頂模板200和底模板240共同形成用於成型複合板的擠壓機構。所述主液壓缸300以及兩個輔助液壓缸400的缸筒分別與液壓箱500連通，所述主液壓缸300以及兩個輔助液壓缸400的活塞桿分別與所述底模板240連接，兩個輔助液壓缸400分別位於主液壓缸300的兩側，兩個輔助液壓缸400的缸筒的直徑均小於所述主液壓缸300。 Referring to Figures 1-3, the composite panel forming machine includes a frame 100, a heating device, a master cylinder 300, two auxiliary hydraulic cylinders 400, and a hydraulic tank 500. A top template 200 is fixedly coupled to the frame 100 and slidably connected to the bottom template 240. The top template 200 and the bottom template 240 are respectively connected to a heating device. The top template 200 and the bottom template 240 are jointly formed for molding compounding. The extrusion mechanism of the board. The master cylinder 300 and the cylinders of the two auxiliary hydraulic cylinders 400 are respectively communicated with the hydraulic tank 500, and the piston rods of the master cylinder 300 and the two auxiliary hydraulic cylinders 400 are respectively connected to the bottom plate 240, two The auxiliary hydraulic cylinders 400 are respectively located on both sides of the main hydraulic cylinder 300, and the cylinders of the two auxiliary hydraulic cylinders 400 are all smaller than the main hydraulic cylinders 300.
其中，所述機架100包括長方體形的頂板和立柱，所述立柱有四根，分別垂直設置於所述頂板下表面的四個角上；所述頂模板200 和底模板240均呈長方體形，所述底模板240能在主液壓缸300和輔助液壓缸400的活塞桿的驅動下沿立柱長度方向往復滑動；所述加熱裝置為習知技術，主要用於直接對頂模板200和底模板240進行加熱，從而實現對複合板原料的加熱，促進和保證複合板的穩定成型；所述液壓箱500內充滿液壓油，所述主液壓缸300、兩個輔助液壓缸400分別通過油管與液壓箱500連接，且油管上設置有液壓泵，從而為液壓油的輸送提供動力，保證主液壓缸300和輔助液壓缸400的正常工作；所述輔助液壓缸400的缸筒的直徑為主液壓缸300的1/5-1/10；本複合板成型機還包括用於實現整個設備自動運行的電氣控制箱，所述電氣控制箱設置於所述機架100的背面。 The rack 100 includes a rectangular parallelepiped top plate and a column, and the uprights have four, which are respectively vertically disposed on four corners of the lower surface of the top plate; the top template 200 And the bottom template 240 has a rectangular parallelepiped shape, and the bottom template 240 can reciprocally slide along the longitudinal direction of the column under the driving of the piston rods of the main hydraulic cylinder 300 and the auxiliary hydraulic cylinder 400; the heating device is a conventional technology, and is mainly used for Directly heating the top template 200 and the bottom template 240 to achieve heating of the composite sheet material, promoting and ensuring stable molding of the composite sheet; the hydraulic tank 500 is filled with hydraulic oil, the main hydraulic cylinder 300, two auxiliary The hydraulic cylinders 400 are respectively connected to the hydraulic tank 500 through the oil pipes, and the hydraulic pipes are disposed on the oil pipes, thereby powering the delivery of the hydraulic oil to ensure the normal operation of the main hydraulic cylinders 300 and the auxiliary hydraulic cylinders 400; the auxiliary hydraulic cylinders 400 are The diameter of the cylinder is 1/5-1/10 of the main hydraulic cylinder 300; the composite panel forming machine further includes an electrical control box for realizing automatic operation of the entire apparatus, and the electrical control box is disposed at the rack 100 back.
本複合板成型機主要用於秸稈複合板的加工成型，其工作原理和過程是這樣的：首先將複合板原材料(秸稈)放入底模板240上，然後啟動主液壓缸300和兩個輔助液壓缸400，底模板240在上述三個液壓缸的驅動下上升逐漸靠近頂模板200，直到複合板原材料(秸稈)被壓縮至需要的厚度，之後啟動加熱裝置對具有一定形狀的複合板原材料進行加熱，使複合板原材料和預先混入其中的膠體材料受熱軟化，以便得到相對穩定和規則的複合板成品。 The composite sheet forming machine is mainly used for processing and forming a straw composite board, and the working principle and process thereof are as follows: firstly, the composite board raw material (straw) is placed on the bottom template 240, and then the main hydraulic cylinder 300 and the two auxiliary hydraulic pressures are started. The cylinder 400 and the bottom plate 240 are lifted by the above three hydraulic cylinders to gradually approach the top die plate 200 until the composite plate raw material (straw) is compressed to a required thickness, and then the heating device is activated to heat the composite plate raw material having a certain shape. The composite board raw material and the colloidal material previously mixed therein are softened by heat to obtain a relatively stable and regular composite board product.
與習知的複合板成型機相比，本發明提供的複合板成型機增設了兩個輔助液壓缸400以配合主液壓缸300，由於輔助液壓缸400的缸徑較小，因此其注入同樣容積的液壓油的情況下，向上驅動底模板240的速度相對更快，當輔助液壓缸400上升時，會將主液壓缸300提升相同高度的行程，這就可以提高複合板生產的效率；同時由於輔助液壓缸400的液壓油容積相對較小，相應地摩擦力也就相對減小，從而有效減弱液壓油加壓升溫的速度和程度。 Compared with the conventional composite plate forming machine, the composite plate forming machine provided by the present invention adds two auxiliary hydraulic cylinders 400 to cooperate with the main hydraulic cylinder 300. Since the auxiliary hydraulic cylinder 400 has a small bore diameter, it is injected into the same volume. In the case of hydraulic oil, the speed of driving the bottom plate 240 upward is relatively faster, and when the auxiliary hydraulic cylinder 400 is raised, the main hydraulic cylinder 300 is lifted by the same height stroke, which can improve the efficiency of the composite plate production; The hydraulic oil volume of the hydraulic cylinder 400 is relatively small, and accordingly the frictional force is relatively reduced, thereby effectively reducing the speed and extent of the hydraulic oil pressure heating.
本實施例中，所述頂模板200和底模板240之間設置有複數個中模板220，複數個中模板220沿垂直方向間隔設置。所述機架100上設置有用於支撐各個中模板220的凸台800，各個中模板220均能垂直向上滑動，各個中模板220均與加熱裝置連接，所述頂模板200、複數個中模板220以及底模板240共同形成用於成型複合板的擠壓機構。 In this embodiment, a plurality of middle templates 220 are disposed between the top template 200 and the bottom template 240, and the plurality of middle templates 220 are spaced apart in the vertical direction. The frame 100 is provided with a boss 800 for supporting each of the middle templates 220. Each of the middle templates 220 can slide vertically upwards, and each of the middle templates 220 is connected with a heating device. The top template 200 and the plurality of middle templates 220 And the bottom template 240 together form a pressing mechanism for forming the composite panel.
其中，複數個中模板220均呈長方體形，其四個角上分別設置有與凸台800配合的凸條，所述凸條與所述中模板220通過螺栓連接，複數個中模板220分別通過凸條放置於凸台800上；各個中模板220對應的四個凸台800的相對位置和距離均不相同，同一層的複數個凸台800之間的距離應該足夠大以防止其阻擋低一層的中模板220上升，即各層的複數個凸台800之間的距離從上到下依次減小，這樣可以使得低層的模板可以穿過高層的模板對應的凸台800而不會被阻擋，從而保證底模板240和複數個中模板220能夠自由上升而不會被高處的凸台800阻擋，進而保證整個擠壓機構的正常工作；操作時，只需要將原材料放置於相鄰的模板(包括頂模板200、複數個中模板220以及底模板240)之間，然後進行後續操作即可同時完成複數張複合板的加工成型。 The plurality of middle templates 220 are each in the shape of a rectangular parallelepiped, and the four corners are respectively provided with ridges that cooperate with the bosses 800. The ridges are connected with the middle stencil 220 by bolts, and the plurality of middle stencils 220 are respectively passed. The ridges are placed on the boss 800; the relative positions and distances of the four bosses 800 corresponding to the middle template 220 are different, and the distance between the plurality of bosses 800 of the same layer should be large enough to prevent the lower layer from being blocked. The middle template 220 rises, that is, the distance between the plurality of bosses 800 of each layer decreases from top to bottom, so that the template of the lower layer can pass through the corresponding boss 800 of the high-level template without being blocked. It is ensured that the bottom template 240 and the plurality of middle templates 220 can rise freely without being blocked by the elevated boss 800, thereby ensuring the normal operation of the entire pressing mechanism; in operation, only the raw materials need to be placed in adjacent templates (including Between the top template 200, the plurality of middle templates 220, and the bottom template 240), the subsequent processing can be performed simultaneously to complete the processing of the plurality of composite sheets.
設置複數個中模板220的目的在於強化本複合板成型機的功能，使其能夠同時成型複數張複合板，大大提高本複合板成型機的工作效率。 The purpose of setting a plurality of middle templates 220 is to strengthen the function of the composite sheet forming machine, so that it can simultaneously form a plurality of composite sheets, thereby greatly improving the working efficiency of the composite sheet forming machine.
本實施例中，所述頂模板200、複數個中模板220以及底模板240內均設置有熱交換管道，所述加熱裝置包括注入管和排出管，所述注入管一端與熱交換管道的進口連通，另一端連通有蒸汽源，所述排出管與熱交換管道的出口連通。 In this embodiment, the top template 200, the plurality of middle templates 220, and the bottom template 240 are each provided with a heat exchange pipe, and the heating device includes an injection pipe and a discharge pipe, and one end of the injection pipe and the inlet of the heat exchange pipe Connected, the other end is connected to a steam source, and the discharge pipe is in communication with the outlet of the heat exchange pipe.
其中，所述熱交換管道呈彎曲狀，以延長其在模板內的路 徑，提高模板的導熱性能；所述注入管和所述排出管分別與複數個模板可拆卸連接，且與熱交換管道的連通處進行密封處理，以防止加熱介質(高溫蒸汽)的洩漏；所述注入管由兩個，分別設置於模板的側壁的兩端，相應地，熱交換管道的進口也有兩個，且分別與兩個注入管對應。 Wherein the heat exchange conduit is curved to extend its path within the template a diameter, which improves the thermal conductivity of the template; the injection tube and the discharge tube are respectively detachably connected to the plurality of templates, and are sealed with the heat exchange tube to prevent leakage of the heating medium (high temperature steam); The injection pipe is provided by two, which are respectively disposed at two ends of the side wall of the template, and correspondingly, there are two inlets of the heat exchange pipe, and respectively correspond to the two injection pipes.
這樣設置加熱裝置的目的在於其結構簡單，製造方便，可以有效實現對頂模板200、中模板220以及底模板240的直接加熱，從而實現對複合板原材料的間接加熱，提高複合板成品的質品質。 The purpose of the heating device is that the structure is simple and the manufacturing is convenient, and the direct heating of the top plate 200, the middle plate 220 and the bottom plate 240 can be effectively realized, thereby indirectly heating the raw material of the composite plate and improving the quality of the finished product. .
本實施例中，所述注入管包括注入主管600和複數根注入支管，複數根注入支管分別與所述注入主管600連通，各根注入支管遠離注入主管600的一端分別連通有注入軟管，複數根注入軟管遠離注入支管的一端分別與所述頂模板200、複數個中模板220以及底模板240內的熱交換管道的進口連通；所述排出管包括排出主管700和複數根排出支管，複數根排出支管分別與所述排出主管700連通，每根排出支管遠離排出主管700的一端均連通有複數根排出軟管，複數根排出軟管的一端分別與所述頂模板200、複數個中模板220以及底模板240內的熱交換管道的出口連通，另一端分別與排出主管700連通。 In this embodiment, the injection pipe includes an injection main pipe 600 and a plurality of injection branch pipes, and the plurality of injection branch pipes are respectively communicated with the injection main pipe 600, and one end of each injection branch pipe remote from the injection main pipe 600 is respectively connected with an injection hose, and the plurality An end of the root injection hose away from the injection branch pipe is respectively communicated with the inlet of the top plate 200, the plurality of middle plates 220, and the heat exchange pipe in the bottom plate 240; the discharge pipe includes a discharge main pipe 700 and a plurality of discharge branch pipes, plural The root discharge branch pipes are respectively communicated with the discharge main pipe 700, and one end of each of the discharge branch pipes away from the discharge main pipe 700 is connected with a plurality of discharge hoses, one end of the plurality of discharge hoses respectively and the top template 200 and a plurality of middle templates 220 and the outlet of the heat exchange conduit in the bottom plate 240 are in communication, and the other end is in communication with the discharge main pipe 700, respectively.
其中，所述注入主管600和複數根注入支管均為剛性材質且一體成型，所述排出主管700和複數根排出支管均為剛性材質且一體成型；所述注入主管600、注入支管、排出主管700以及排出支管均為圓管；所述注入軟管套設于注入支管上且連接處進行密封處理，所述排出軟管套設于排出支管上且連接處進行密封處理；高溫蒸汽從注入主管600進入，然後分流如複數根注入支管，之後通過複數根注入軟管分別進入每個模板內加熱，之後流出模板進入排出軟管內，最終穿過排出支管並在排出主管700匯流集中排出。 Wherein, the injection main pipe 600 and the plurality of injection branch pipes are both rigid and integrally formed, and the discharge main pipe 700 and the plurality of discharge branch pipes are both rigid materials and integrally formed; the injection main pipe 600, the injection branch pipe, and the discharge main pipe 700 And the discharge branch pipe is a round pipe; the injection hose is sleeved on the injection branch pipe and the joint is sealed, the discharge hose is sleeved on the discharge branch pipe and the joint is sealed; the high temperature steam is injected from the main pipe 600 Into, and then split, such as a plurality of injection branches, and then into each of the templates through a plurality of injection hoses respectively, and then flow out of the template into the discharge hose, and finally through the discharge branch and discharged at the discharge main 700 confluence.
這樣設置注入管和排出管的目的在於其結構緊湊，節約空間，方便設置。 The purpose of the injection tube and the discharge tube is that the structure is compact, space-saving, and convenient to set.
本實施例中，通過注入軟管相互連通的注入支管和中模板220的外壁上塗有相同的顏色，各組相互連通的注入支管和中模板220的顏色各不相同。 In this embodiment, the injection branch pipes that communicate with each other through the injection hose and the outer wall of the middle die plate 220 are coated with the same color, and the colors of the injection branch pipes and the intermediate die plates 220 that are in communication with each other are different.
其中，所述顏色的選擇有白、藍、綠、紅、黃等，具體根據使用者需求設計和排列；所述顏色的載體為油漆，所述油漆塗抹於頂模板200、中模板220以及底模板240的側壁上和注入支管的外壁上，以便用戶輕鬆觀察。 Wherein, the color is selected from white, blue, green, red, yellow, etc., and is specifically designed and arranged according to user requirements; the carrier of the color is paint, and the paint is applied to the top template 200, the middle template 220, and the bottom. The side wall of the template 240 is placed on the outer wall of the injection branch for easy viewing by the user.
設置多種顏色的目的在於使得使用者可以根據實際需求，對照顏色對各個模板進行單獨加熱處理，提高本複合板成型機操作的便捷性。 The purpose of setting a plurality of colors is to enable the user to individually heat the respective templates according to actual needs and to control the convenience of the operation of the composite sheet forming machine.
本實施例中，所述注入主管600和排出主管700均為四通管，所述注入主管600的一根分管與複數根注入支管連通，另外三根分管分別與蒸汽源、冷卻水源以及空氣源連通，所述排出主管700的其中一根分管與複數根排出支管連通，另外三根分管分別用於排出蒸汽、冷卻水以及空氣。 In this embodiment, the injection main pipe 600 and the discharge main pipe 700 are all four-way pipes, one pipe of the injection main pipe 600 is connected with a plurality of injection pipe branches, and the other three pipes are respectively connected with a steam source, a cooling water source and an air source. One of the branch pipes of the discharge main pipe 700 is in communication with a plurality of branch pipes, and the other three pipes are respectively used for discharging steam, cooling water, and air.
這樣設置注入主管600和排出主管700的目的在於對成型後的高溫的複合板進行冷卻處理，從而提高複合板成品的品質。複合板材料成型後，目前市場上的做法都直是接在高溫下打開模板取出高溫成型材料，目的是節省熱能加快生產速度，不在冷卻後開模取成品，為的是下一輪生產的快速加溫，然而這樣操作的缺陷也很明顯，成品複合板在高溫下遇見常溫的環境，其表面溫度瞬間變化，中心內部與表面溫度變化不一致，很容易造成複合板平整彎曲與回潮不穩定。 The purpose of providing the injection main pipe 600 and the discharge main pipe 700 in this manner is to cool the formed high-temperature composite plate, thereby improving the quality of the composite plate product. After the composite sheet material is formed, the current practice on the market is to open the template at high temperature and take out the high-temperature molding material. The purpose is to save heat and speed up the production speed, and not to open the mold to take the finished product after cooling, in order to quickly add the next round of production. Temperature, however, the defects of this operation are also obvious. The finished composite panel meets the normal temperature environment at high temperature, the surface temperature changes instantaneously, and the internal and surface temperature changes are inconsistent, which easily causes the flatness of the composite panel to be flat and unstable.
針對上述情況，本發明採用先將模板內空氣熱能(及蒸汽的熱能)排出，再以高速迴圈冷卻水注入模板內空氣管道，令模板本身降溫，複合板成品的溫度反過來會傳達給模板，複合板在固定壓力模板內平壓，均勻降溫，降到設定的溫度再打開模板取出成品。此時板材與環境相差不大，再下一輪上料成型時，將高壓空氣注入模板管道內，將管道內預留冷卻水排出，以防止餘留的冷卻水遇到高溫蒸汽產生汽爆而對模板內管道焊接處造成破壞力。 In view of the above situation, the present invention firstly discharges the air heat energy (and the heat energy of the steam) in the template, and then injects the cooling water into the air pipe in the template with high-speed circulating cooling water, so that the temperature of the template itself is lowered, and the temperature of the finished product of the composite board is reversely transmitted to the template. The composite plate is flat pressed in the fixed pressure template, and the temperature is evenly lowered, and the temperature is lowered to the set temperature, and then the template is opened to take out the finished product. At this time, the plate and the environment are not much different. When the next round of feeding is formed, high-pressure air is injected into the template pipe, and the cooling water is reserved in the pipe to prevent the remaining cooling water from encountering high-temperature steam to generate steam explosion. Destructive forces are caused by pipe welds in the formwork.
本實施例中，所述蒸汽源為鍋爐，所述鍋爐的蒸汽發生腔與所述注入管連通，燃燒用水腔與所述排出管連通。 In this embodiment, the steam source is a boiler, and a steam generating chamber of the boiler is in communication with the injection pipe, and a combustion water chamber is in communication with the discharge pipe.
其中，所述鍋爐為常用的蒸汽發生器，所述蒸汽發生腔和燃燒用水腔均為鍋爐的組成部分。 Wherein, the boiler is a common steam generator, and the steam generating chamber and the combustion water chamber are both components of the boiler.
選用鍋爐的目的在於獲得穩定的蒸汽源，保證複合板成型機的正常運行；這樣設置排出管的目的在於使得高溫蒸汽在排出模板外時會回收到鍋爐燃燒用水內，令其水溫增高，以利於鍋爐在燃燒成蒸汽，燃燒速度加快，節省燃料從而達到節能效應。 The purpose of selecting the boiler is to obtain a stable steam source and ensure the normal operation of the composite sheet forming machine; the purpose of setting the discharge pipe is to recover the high temperature steam into the boiler combustion water when it is discharged outside the formwork, so that the water temperature is increased, so that the water temperature is increased. Conducive to the combustion of the boiler into steam, the burning speed is accelerated, saving fuel and achieving energy saving effect.
本實施例中，所述底模板240和每個中模板220的上表面上均設置有分層頂模彈簧。 In this embodiment, a layered top mold spring is disposed on the upper surface of the bottom template 240 and each of the middle templates 220.
其中，各層分層頂模彈簧均有四個，分別設置於所述底模板240和每個中模板220的四個角上；各層分層頂模彈簧均固定連接於相應的底模板240或者中模板220上。 Wherein, each layer of the layered top mold spring has four, respectively disposed on the bottom template 240 and each of the four corners of the template 220; each layer of the layered top mold spring is fixedly connected to the corresponding bottom template 240 or Template 220.
設置分層頂模彈簧的目的在於方便排汽。在本複合板成型機的模板和原材料加溫的同時，因原材料本身在攪和膠體時，會有一定比例的水分，上述比例因個人設計的不同而選擇。原材料內所含水分，會因為高溫而汽化，此時必須將材料內的水分汽化後排出(即排汽)， 排汽的原理是把原材料用主液壓缸300壓縮至預定厚度後，待汽化開始形成，將主液壓缸300卸壓，並使模板與模板之間距離稍微加大，模板與模板之間距離的壓縮材料會因為主液壓缸300卸壓而加大，加上汽化的內在膨脹力，材料會自行膨脹，此膨脹後增加的厚度空間，是排氣空間，模板與模板之間的微小距離分開稱之為排氣開模，簡稱排汽。而分層頂模彈簧的設置可以實現主液壓缸300卸壓後模板與模板之間的緩慢降壓，為相鄰的模板之間提供反向推力，從而大大方便和利於上述排汽空間的形成，提高本複合板成型機的排汽效果，同時，各層的分層頂模彈簧的承載強度根據需要承載的負荷(從上到下依次增大)決定，這樣設置可以保證多組相鄰模板之間的距離盡可能相同，從而保證複合板成型後的厚度盡可能相同，提高複合板成品的品質。 The purpose of the layered top mold spring is to facilitate the exhaust. At the same time as the template and the raw material of the composite sheet forming machine are heated, a certain proportion of moisture is present when the raw material itself is stirred, and the above ratio is selected depending on the individual design. The moisture content in the raw material will vaporize due to the high temperature. At this time, the moisture in the material must be vaporized and discharged (ie, exhausted). The principle of exhausting steam is to compress the raw material by the main hydraulic cylinder 300 to a predetermined thickness, and the vaporization starts to be formed, the main hydraulic cylinder 300 is depressurized, and the distance between the template and the template is slightly increased, and the distance between the template and the template is increased. The compressed material will be enlarged due to the pressure relief of the main hydraulic cylinder 300, and the internal expansion force of the vaporization will expand the material by itself. The increased thickness space after the expansion is the exhaust space, and the minute distance between the template and the template is separately called It is the exhaust mold opening, referred to as exhaust steam. The setting of the layered top mold spring can realize the slow pressure reduction between the template and the template after the main hydraulic cylinder 300 is depressurized, and provide the reverse thrust between the adjacent templates, thereby greatly facilitating and facilitating the formation of the above-mentioned exhaust space. To improve the steam exhausting effect of the composite sheet forming machine, at the same time, the bearing strength of the layered top mold springs of each layer is determined according to the load to be carried (in order from top to bottom), so that the setting can ensure multiple sets of adjacent templates. The distance between the two is as equal as possible, so as to ensure that the thickness of the composite sheet after molding is as equal as possible, and the quality of the finished composite sheet is improved.
本實施例中，本複合板成型機還包括排汽裝置，所述排汽裝置包括排汽管900，所述排汽管900的進氣端設置有排氣扇和集氣罩，所述集氣罩對應所述機架100的頂部。 In this embodiment, the composite plate forming machine further includes a steam exhausting device, and the steam exhausting device includes a steam exhausting pipe 900, and the exhausting end of the exhausting steam pipe 900 is provided with an exhaust fan and a gas collecting cover, the set A hood corresponds to the top of the frame 100.
其中，所述排汽管900呈L形，通過支架固定；所述集氣罩為中空的四棱臺罩，其籠罩機架100的頂部，從而保證水汽的排出。 Wherein, the exhaust pipe 900 is L-shaped and fixed by a bracket; the gas collecting cover is a hollow quadrangular cover, which covers the top of the frame 100 to ensure the discharge of water vapor.
設置排汽裝置的目的在於方便原材料中汽化產生的水汽的集中排放。 The purpose of the exhaust device is to facilitate the concentrated discharge of water vapor generated by vaporization in the raw materials.
本實施例中，所述液壓箱500的位置高於所述主液壓缸300和兩個輔助液壓缸400。 In the present embodiment, the hydraulic tank 500 is positioned higher than the master cylinder 300 and the two auxiliary cylinders 400.
這樣設置的目的在於利用液壓缸和液壓箱500內液壓油的勢能差，使得液壓油能自行注入主液壓缸300內，上述設置使得生產速度加快，具有節電效果，更令液壓油的油溫緩慢增加，保證液壓油的使用效果，使用壽命增長。 The purpose of this arrangement is to utilize the potential difference of the hydraulic oil in the hydraulic cylinder and the hydraulic tank 500, so that the hydraulic oil can be injected into the main hydraulic cylinder 300 by itself. The above setting makes the production speed faster, has the effect of saving electricity, and makes the oil temperature of the hydraulic oil slow. Increase, ensure the use of hydraulic oil, and increase the service life.
本複合板成型機採用增設兩個輔助液壓缸400的結構，可以有效提高底模板240的上升速度和複合板的生產效率，大大降低液壓油產生的摩擦力，維持液壓油的使用功能，延長液壓油的使用壽命，彌補現有技術的缺陷。 The composite plate forming machine adopts the structure of adding two auxiliary hydraulic cylinders 400, which can effectively increase the rising speed of the bottom plate 240 and the production efficiency of the composite plate, greatly reduce the friction generated by the hydraulic oil, maintain the function of using the hydraulic oil, and prolong the hydraulic pressure. The service life of the oil makes up for the shortcomings of the prior art.
以上所述僅為本發明的較優實施例而已，並不用於限制本發明，對於所屬技術領域具有通常知識者來說，本發明可以有各種更改和變化。凡在本發明的精神和原則之內，所作的任何修改、等同替換、改進等，均應包含在本發明的保護範圍之內。 The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.
100‧‧‧機架 100‧‧‧Rack
200‧‧‧頂模板 200‧‧‧ top template
220‧‧‧中模板 220‧‧‧ template
240‧‧‧底模板 240‧‧‧ bottom template
300‧‧‧主液壓缸 300‧‧‧Main hydraulic cylinder
400‧‧‧輔助液壓缸 400‧‧‧Auxiliary hydraulic cylinder
500‧‧‧液壓箱 500‧‧‧ hydraulic tank
900‧‧‧排汽管 900‧‧‧Exhaust pipe
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| CN118456588B (en) * | 2024-07-10 | 2024-09-10 | 四川竹元科技有限公司 | Mould pressing floor hot press |
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| JP2008137291A (en) * | 2006-12-01 | 2008-06-19 | Matsushita Electric Works Ltd | Laminate production method |
| CN102371606A (en) * | 2010-08-04 | 2012-03-14 | 乔秀娟 | Hydraulic driving system for hot pressing machine of plywood |
| CN103786196A (en) * | 2014-02-27 | 2014-05-14 | 鲍成基 | Multilayer board hot press |
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