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WO2008043279A1 - Procédé pour raccorder un panneau pressé à chaud à un cylindre hydraulique de presse et de levage et dispositif associé - Google Patents

Procédé pour raccorder un panneau pressé à chaud à un cylindre hydraulique de presse et de levage et dispositif associé Download PDF

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Publication number
WO2008043279A1
WO2008043279A1 PCT/CN2007/002910 CN2007002910W WO2008043279A1 WO 2008043279 A1 WO2008043279 A1 WO 2008043279A1 CN 2007002910 W CN2007002910 W CN 2007002910W WO 2008043279 A1 WO2008043279 A1 WO 2008043279A1
Authority
WO
WIPO (PCT)
Prior art keywords
hydraulic cylinder
piston rod
insulation pad
trapezoidal
hot
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2007/002910
Other languages
English (en)
Chinese (zh)
Inventor
Shaokun Li
Rongqi Zhang
Li Zhou
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Wood Based Panel Machinery Co Ltd
Original Assignee
Shanghai Wood Based Panel Machinery Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CNB2006101169633A external-priority patent/CN100434248C/zh
Application filed by Shanghai Wood Based Panel Machinery Co Ltd filed Critical Shanghai Wood Based Panel Machinery Co Ltd
Publication of WO2008043279A1 publication Critical patent/WO2008043279A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/06—Platens or press rams
    • B30B15/068—Drive connections, e.g. pivotal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/02—Dies; Inserts therefor; Mounting thereof; Moulds
    • B30B15/026—Mounting of dies, platens or press rams

Definitions

  • the invention relates to a technology for flat pressing continuous press hot pressing plate in a wood-based panel production equipment, in particular to a joining technology of a super long hot pressing plate and a pressurized lifting hydraulic cylinder in a continuous press.
  • the invention is mainly used in the flat-press continuous press designed and developed in China for the first time, the length of the hot press plate of the continuous press is long, and the elongation after heating is large.
  • the method and device for connecting the general pressure lifting hydraulic cylinder and the hot pressing plate adopt the method of fixing the ends at both ends: or fixing the flange and the machine member at one end of the piston rod; or fixing the spherical bearing at the other end (ie, the hinge)
  • Such a connection method will transfer the heat of the hot plate to the pressurizing lifting hydraulic cylinder, or the joint interference with the pressurizing lifting hydraulic cylinder due to the heating and elongation of the hot pressing plate, which occurs on the extra long hot pressing plate. Will be prominent, which directly leads to the substandard accuracy of the wood-based panel products. Summary of the invention
  • the technical proposal of the method and device for connecting the hot press plate and the pressurizing lifting hydraulic cylinder of the continuous press according to the present invention is to design a device to ensure the continuous press hot plate and the premise of ensuring the precision of the continuous press product.
  • the pressurized lifting hydraulic cylinder has a simple and reliable device in actual installation adjustment and smooth operation.
  • the technical solution of the present invention is specifically implemented by the following technical measures: a method for coupling a hot plate and a pressurizing lifting hydraulic cylinder of a continuous press of a wood-based panel, characterized in that two strips of left and right strips are used
  • the L-shaped plate 3 is embedded in the double hook groove at the top end of the piston rod 2, and is fixed on the hot pressing plate S by bolts 8.
  • the heat insulating pad 6 is placed between the top end of the piston rod 2 and the hot pressing plate S, and is connected with the hot pressing plate S.
  • the L-shaped plate 3 and the piston rod 2 are separated by a trapezoidal insulation pad 4, so that the hydraulic cylinder block 1 and the piston rod 2 are not subjected to heat conduction by the high-temperature hot platen S, and the L-shaped plate integrally assembled with the hot platen S is provided.
  • the installation position of the hydraulic cylinder is determined. After the pressurized hydraulic cylinder 1 and the piston rod 2 are installed in position, the hydraulic cylinder 1 is located in the middle of the L-shaped plate 3 via the crane, that is, the double hook on the piston rod 2. The groove is properly matched with the left and right L-shaped plates 3. After the piston rod 2 is in place, the pressurized hydraulic cylinder block 1 is connected to the frame G by the lifting mechanism D.
  • the hot platen S Since the hot platen S generates a high temperature of up to 220 ° C or higher during operation, the top end of the piston rod 2 is separated from the hot platen S by the heat insulating pad 4 to prevent heat conduction, and the L shape is in contact with the hot platen S.
  • the plate 3 thus transfers heat to the piston rod 2, damaging the seal in the hydraulic cylinder.
  • a trapezoidal groove is left between the L-shaped plate 3 and the double hook groove, and the trapezoidal groove is embedded in the trapezoidal insulation pad 4, which is effective The ground prevents heat transfer and loss.
  • a device for realizing the above-mentioned method for coupling a hot plate and a pressure lifting hydraulic cylinder characterized in that it is composed of a pressurized hydraulic cylinder 1, a piston rod 2, an L-shaped plate 3, a trapezoidal insulation pad 4, a baffle 5, and a heat insulation
  • the pad 6, the screw 7, and the bolt 8 are composed of: the heat insulating pad 6 capable of withstanding the rated pressure of the hydraulic cylinder and having a temperature resistance above 250 ° C is first placed on the hot plate S below the piston rod 2, and the left and right sections are respectively
  • the L-shaped plates 3 for inverting the L shape are symmetrically placed on both sides of the heat insulating mat 6, and the upper ends thereof are respectively embedded in the left and right slots of the piston rod 2, and are connected to the hot platen S through the eight hexagon socket bolts 8.
  • the L-shaped plate 3 is made of 45 steel. Because it is in direct contact with the hot platen, and the hydraulic cylinder is lifted, the L-shaped plate 3 is subjected to a certain impact load. The quenching and tempering treatment HB220-250 is used to improve the toughness and strength.
  • the connected hexagon bolt 8 is made of carbon steel and has a mechanical property rating of 10. 9.
  • the trapezoidal insulation pad 4 having the same properties and requirements as the insulation pad 6 is mounted on the inner side of the left and right L-shaped plates 3 for easy installation and disassembly.
  • the plates 5 are respectively fixed to the front and rear pistons of the heat insulating mat 6 by two screws 7
  • the front and rear ends of the rod 2, the piston rod 2 is made of 45 # forged steel, and the overall quenching and tempering treatment of HB220-250, so that it has good comprehensive mechanical properties, can withstand heavy loads and impact, the head is processed into a double hook groove shape,
  • the trapezoidal insulation mat 4 provides a good installation environment, increases its contact surface, and effectively protects the internal structure of the piston rod 2 when the operating temperature is too high.
  • a gap of 1.5 mm - 5.5 mm is left between the trapezoidal insulation pad 4 and the insulation pad 6 and the L-shaped plate 3 to ensure the amount of expansion and effectively use air to isolate and prevent heat transfer.
  • the installation step of the joint structure of the present invention is: First, the installation position of the hydraulic cylinder is determined. After the pressurized hydraulic cylinder block 1 and the piston rod 2 are installed in position, the hydraulic cylinder 1 is located on the L-shaped plate 3 via the crane, and the piston rod 2 at this time The upper double hook groove is properly matched with the L-shaped plate 3. After the piston rod 2 is in place, the pressurized hydraulic cylinder block 1 is connected to the frame G by the lifting mechanism D. Since the hot platen S can generate a high temperature of up to 220 ° C or higher during operation, the top of the piston rod 2 is separated from the hot platen S by the heat insulating pad 4 to prevent heat conduction, and the L shape is in contact with the hot platen S.
  • the plate 3 thus transfers heat to the piston rod 2, damaging the seal in the hydraulic cylinder, At this time, a trapezoidal groove is left between the L-shaped plate 3 and the double hook groove, and the trapezoidal heat insulating pad 4 is embedded in the trapezoidal groove, thereby effectively preventing heat transfer and loss.
  • the baffle 5 and the piston rod 2 are connected by a screw 7, which functions to block the trapezoidal heat insulating mat 4.
  • the positive effect of the invention is that the structure is simple and reliable, the installation is convenient, and the heat insulation effect is obvious.
  • the pressure lifting hydraulic cylinder and the hot pressing plate are still connected reliably, and the lifting is in place, thereby avoiding unnecessary
  • the hinge structure ensures the normal operation of the pressurizing lifting hydraulic cylinder and the hot pressing plate, so that the continuous press can be continuously and smoothly operated.
  • Figure 1 Front view of the coupling structure of the hot plate and the pressurized lifting hydraulic cylinder of the present invention
  • Figure 3 is a cross-sectional view taken along line A-A of Figure 1 of the present invention (enlarged);
  • FIG. 4 Schematic diagram of the double-hook groove of the piston rod of the hot plate and the pressurized lifting hydraulic cylinder of the present invention (enlarged)
  • Figure 5 is a cross-sectional view taken along line B-B of Figure 4 of the present invention.
  • This embodiment is a joint of a continuous press hot plate and a pressurizing lifting hydraulic machine for producing 8-foot particle board.
  • the structure as shown in the structure of Fig. 1, is mainly composed of a pressurized hydraulic cylinder 1, a piston rod 2, an L-shaped plate 3, a trapezoidal insulation pad 4, a baffle 5, a heat insulating mat 6, a screw 7, and a bolt 8. composition.
  • the heat insulating mat 6 is placed between the hot pressing plate and the piston rod 2, so it has special requirements for its material, the temperature resistance must be above 250 ,, and it can withstand the extreme surface pressure, and can withstand the rated pressure of the hydraulic lifting cylinder 300Kg. Pressure, this embodiment uses a 3424 laminated glass cloth board that meets the above conditions, and the left and right L-shaped plates 3 are used.
  • the trapezoidal insulation pad 4 has the same properties and requirements as the insulation pad 6, and its shape is convenient for installation and disassembly.
  • the piston rod 2 (Fig. 4) adopts 45 # forged steel and adopts the overall quenching and tempering treatment HB220-250.
  • the piston rod 2 has good comprehensive mechanical properties, can withstand heavy loads and impacts, and the head is processed into a double hook groove shape.
  • the insulating mat 4 provides a good installation environment, increases its contact surface, and effectively protects the internal structure of the piston rod 2 when the operating temperature is too high.
  • the front and rear two baffles 5 are respectively fixed at the front and rear ends of the piston rod 2 with two M16X45mm screws 7 for blocking the insulation pad 6 and the trapezoidal insulation pad 4, between the trapezoidal insulation pad 4 and the insulation pad 6 and the L-shaped plate 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Veneer Processing And Manufacture Of Plywood (AREA)

Abstract

L'invention concerne un procédé pour raccorder un panneau pressé à chaud à un cylindre hydraulique de presse et de levage dans une presse à plateaux en continu et un dispositif associé. Le dispositif comprend un cylindre hydraulique de presse (1), une tige de piston (2), des plateaux en L (3), une plaque calorifuge trapézoïdale (4), un déflecteur (5) et un panneau calorifuge (6), etc. La plaque calorifuge est disposée dans la rainure formée entre le plateau en L et la tige de piston de façon à réduire le transfert et la perte de chaleur et à assurer une protection efficace dans la structure intérieure de la tige du piston. La présente invention présente plusieurs avantages caractérisés par la simplicité et la fiabilité de sa structure, la performance en matière d'isolation thermique et la capacité d'assurer le bon déroulement d'une opération dans une presse à plateaux en continu.
PCT/CN2007/002910 2006-10-10 2007-10-10 Procédé pour raccorder un panneau pressé à chaud à un cylindre hydraulique de presse et de levage et dispositif associé Ceased WO2008043279A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN200610116963.3 2006-10-10
CN200620046657.2 2006-10-10
CN200620046657 2006-10-10
CNB2006101169633A CN100434248C (zh) 2006-10-10 2006-10-10 热压板和加压提升液压缸的联接方法及装置

Publications (1)

Publication Number Publication Date
WO2008043279A1 true WO2008043279A1 (fr) 2008-04-17

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2007/002910 Ceased WO2008043279A1 (fr) 2006-10-10 2007-10-10 Procédé pour raccorder un panneau pressé à chaud à un cylindre hydraulique de presse et de levage et dispositif associé

Country Status (1)

Country Link
WO (1) WO2008043279A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202012104004U1 (de) 2012-10-18 2012-11-15 Siempelkamp Maschinen- Und Anlagenbau Gmbh & Co. Kg Taktpresse
EP2527135A1 (fr) * 2011-05-27 2012-11-28 Siempelkamp Maschinen- und Anlagenbau GmbH & Co. KG Presse cadencée
CN103302944A (zh) * 2013-06-08 2013-09-18 上海朗华科贸有限公司 一种压合系统及其压合方法
US10011084B2 (en) 2011-05-27 2018-07-03 Siempelkamp Maschinen-Und Anlagenbau Gmbh & Co. Kg Cycle press
CN108481513A (zh) * 2018-06-12 2018-09-04 安徽安真木业有限公司 一种密度板压制装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07185897A (ja) * 1993-12-28 1995-07-25 Hitachi Techno Eng Co Ltd ガス圧付加プレス
US5555798A (en) * 1992-11-09 1996-09-17 Hitachi Techno Engineering Co., Ltd. Hot press for producing a multilayered substrate
CN1420264A (zh) * 2001-11-15 2003-05-28 金昌宣 绝热发动机、能再利用排出能量的发动机和高压喷射组件
CN1549906A (zh) * 2001-08-31 2004-11-24 ��Ч�� 制动器汽缸活塞用隔热屏及使用隔热屏的制动传动装置
CN1827326A (zh) * 2005-03-01 2006-09-06 西姆佩尔坎普机械设备制造有限责任公司和两合公司 连续式压制机

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5555798A (en) * 1992-11-09 1996-09-17 Hitachi Techno Engineering Co., Ltd. Hot press for producing a multilayered substrate
JPH07185897A (ja) * 1993-12-28 1995-07-25 Hitachi Techno Eng Co Ltd ガス圧付加プレス
CN1549906A (zh) * 2001-08-31 2004-11-24 ��Ч�� 制动器汽缸活塞用隔热屏及使用隔热屏的制动传动装置
CN1420264A (zh) * 2001-11-15 2003-05-28 金昌宣 绝热发动机、能再利用排出能量的发动机和高压喷射组件
CN1827326A (zh) * 2005-03-01 2006-09-06 西姆佩尔坎普机械设备制造有限责任公司和两合公司 连续式压制机

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2527135A1 (fr) * 2011-05-27 2012-11-28 Siempelkamp Maschinen- und Anlagenbau GmbH & Co. KG Presse cadencée
WO2012163734A1 (fr) * 2011-05-27 2012-12-06 Siempelkamp Maschinen- Und Anlagenbau Gmbh & Co. Kg Presse à alimentation intermittente
US10011084B2 (en) 2011-05-27 2018-07-03 Siempelkamp Maschinen-Und Anlagenbau Gmbh & Co. Kg Cycle press
DE202012104004U1 (de) 2012-10-18 2012-11-15 Siempelkamp Maschinen- Und Anlagenbau Gmbh & Co. Kg Taktpresse
CN103302944A (zh) * 2013-06-08 2013-09-18 上海朗华科贸有限公司 一种压合系统及其压合方法
CN103302944B (zh) * 2013-06-08 2016-02-10 上海朗华科贸有限公司 一种压合系统及其压合方法
CN108481513A (zh) * 2018-06-12 2018-09-04 安徽安真木业有限公司 一种密度板压制装置

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