CN116587378A - Multilayer wood board and processing technology thereof - Google Patents

Multilayer wood board and processing technology thereof Download PDF

Info

Publication number
CN116587378A
CN116587378A CN202310535795.5A CN202310535795A CN116587378A CN 116587378 A CN116587378 A CN 116587378A CN 202310535795 A CN202310535795 A CN 202310535795A CN 116587378 A CN116587378 A CN 116587378A
Authority
CN
China
Prior art keywords
wood board
plate
face
panel
pressing
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.)
Pending
Application number
CN202310535795.5A
Other languages
Chinese (zh)
Inventor
张伏元
夏燕
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.)
Hunan Yanglin Wood Co ltd
Original Assignee
Hunan Yanglin Wood 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
Application filed by Hunan Yanglin Wood Co ltd filed Critical Hunan Yanglin Wood Co ltd
Priority to CN202310535795.5A priority Critical patent/CN116587378A/en
Publication of CN116587378A publication Critical patent/CN116587378A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/13Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board all layers being exclusively wood
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27DWORKING VENEER OR PLYWOOD
    • B27D1/00Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
    • B27D1/04Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27DWORKING VENEER OR PLYWOOD
    • B27D1/00Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
    • B27D1/04Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
    • B27D1/08Manufacture of shaped articles; Presses specially designed therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27DWORKING VENEER OR PLYWOOD
    • B27D3/00Veneer presses; Press plates; Plywood presses
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/14Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood board or veneer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/30Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04Interconnection of layers
    • B32B7/12Interconnection of layers using interposed adhesives or interposed materials with bonding properties

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Forests & Forestry (AREA)
  • Manufacturing & Machinery (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)

Abstract

The invention relates to the technical field of wood board processing, in particular to a multilayer wood board, which comprises a substrate, wherein an upper panel is arranged at the upper end of the substrate, a lower panel is arranged at the lower end of the substrate, a reinforced structure board is arranged between the upper panel and the substrate and between the substrate and the lower panel, and vertical protrusions are arranged on the upper end face and the lower end face of the reinforced structure board at intervals; the invention also discloses a processing technology of the multilayer wood board. The invention adopts a combined forming mode from inside to outside, so that repeated pressing from top to bottom is avoided, and the bottom plate is damaged due to overpressure; the reinforced structural plate can be pressed into the multi-layer wood plate more conveniently and reliably through a unique processing technology of matched molding of the pressing device.

Description

Multilayer wood board and processing technology thereof
Technical Field
The invention relates to the technical field of wood board processing, in particular to a multilayer wood board and a processing technology thereof.
Background
The multi-layered wood board is generally referred to as plywood. The plywood is made up by cutting wood segment into single boards or cutting wood Fang Bao into Cheng Baomu, and then using adhesive to glue them to form three-layer or multi-layer plate material, usually using odd-layer single boards, and making the fibre directions of adjacent layers of single boards mutually perpendicular and glue them together.
In the prior art, the multi-layer wood board is generally formed by one-step hot press molding or cold press molding in the production process; the hot pressing has the advantages of high production efficiency, good product forming quality and high speed, and the defects of large wood compression loss and large internal stress in each plate and among the plates; the cold pressing has the advantages of small internal stress, small deformation, small wood compression loss and low molding speed. In order to further improve the structural strength of the multi-layer wood board, a plurality of structural layers or reinforcing plates made of metal are further arranged in a plurality of templates, a plurality of bulges are required to be arranged on the board, on one hand, the contact area between the bulges and the board is increased, on the other hand, the bulges extend into the board to have the effects of supporting and bending resistance, but the board is difficult to form at one time and needs to be pressed in batches.
The existing pressing process is to perform pressing forming in a step from bottom to top, but the process can lead to repeated hot pressing of the bottom plate, so that the wood compression loss of the bottom plate is large, and the overall structural strength is reduced; meanwhile, the bulge on the plate can be damaged by directly pressing the reinforcing plate by adopting a common hot press, and the effect of reinforcing the structural strength of the multi-layer wood plate by the plate is damaged.
Disclosure of Invention
The invention provides a multi-layer wood board and a processing technology thereof, which are used for solving the technical problems in the background design.
In order to solve the problems, the invention adopts the following technical scheme: the utility model provides a multilayer plank, includes the base plate, the base plate upper end is provided with the top panel, the base plate lower extreme is provided with the lower panel, is provided with the additional strengthening board between top panel and the base plate and between base plate and the lower panel, the interval is provided with vertical protruding on the upper and lower two terminal surfaces of additional strengthening board.
As a further improvement of the present invention, the technical problem to be solved is: it is desirable that the multi-layered wood board not damage the lower panel due to excessive pressure and excessive heat during the hot press molding process.
In order to solve the technical problems, the invention further adopts the following technical scheme: the method comprises the following steps:
step one: preprocessing the raw materials of the upper panel, the substrate and the lower panel; a. removing the wood Mao Damo from the surface by a sander; b. cutting the ground wood board by a cutting machine according to the requirements;
step two: loading a pair of reinforcing structure plates into a pressing device and heating;
step three: uniformly coating the adhesive on the end face of the substrate obtained in the first step, and putting the substrate into a pressing device to be pressed and molded between a pair of reinforced structural plates;
step four: loading the upper panel obtained in the first step and the substrate obtained in the third step into a pressing device according to the sequence from top to bottom for hot press molding processing, standing for 5-10 min after hot press is finished, and naturally cooling;
step five: loading the plate obtained in the fourth step and the lower panel obtained in the first step into a pressing device according to the sequence from top to bottom for hot press molding processing, standing for 5-10 min after hot pressing is finished, and naturally cooling;
step six: taking out the multi-layer wood board in the pressing device, polishing the end face and the edge of the multi-layer wood board by using a polisher, and spraying finishing paint.
The improved beneficial effects are as follows: through the inside and outside compression molding process, the multi-layer wood board is molded to avoid the damage of the lower panel caused by excessive pressure and overheating caused by repeated compression of the lower panel, and the structural strength of the multi-layer wood board is further improved.
As a further improvement of the present invention, the technical problem to be solved is: there is a need for a pressing device that can be used in conjunction with the present multi-layer board forming process.
In order to solve the technical problems, the invention further adopts the following technical scheme: the pressing device comprises a bottom plate and a top plate, the bottom plate is connected with the top plate through a hydraulic cylinder, a lower mounting seat is arranged at the upper end face of the bottom plate, an upper mounting seat is arranged at the lower end face of the top plate, a pressing die is arranged on the upper end face of the lower mounting seat and the lower end face of the upper mounting seat, and a heater is arranged in the pressing die.
The improved beneficial effects are as follows: through the setting of bottom plate, lower mount pad, last mount pad, roof, pneumatic cylinder, make suppression device can cooperate the technological process of multilayer plank to carrying out the compression moulding between each board.
As a further improvement of the present invention, the technical problem to be solved is: it is necessary that the pressing device is able to adapt the pressing process of the reinforcing structure plate.
In order to solve the technical problems, the invention further adopts the following technical scheme: and mounting grooves matched with the vertical protrusions of the reinforcing structure plates are formed in the end faces, contacted with the materials, of the pressing dies at intervals.
The improved beneficial effects are as follows: through the setting of mounting groove, make suppression device can not crush the vertical protruding on the reinforced structure board when pressing the reinforced structure board, improve the effect that the reinforced structure board can play the improvement bending resistance.
As a further improvement of the present invention, the technical problem to be solved is: it is desirable that the device be able to grip the reinforcing structural panel for compression.
In order to solve the technical problems, the invention further adopts the following technical scheme: the mounting groove is internally provided with a movable groove, the movable groove is internally provided with a pair of fixed blocks, a spring is arranged between the fixed blocks and the movable groove, and the fixed blocks are mutually tightly attached under the influence of the spring.
The improved beneficial effects are as follows: through the arrangement of the movable groove, the fixed block and the spring, the pressing die of the pressing device can stably clamp the reinforcing structure plate arranged on the pressing device so as to match the forming process of the multilayer wood board.
As a further improvement of the present invention, the technical problem to be solved is: the pressing device is required to be capable of further conveniently positioning and installing the upper panel, the base plate and the lower panel.
In order to solve the technical problems, the invention further adopts the following technical scheme: the upper end face of the bottom plate is provided with positioning blocks which are matched with the plate in size at intervals at the corners of the lower mounting seat.
The improved beneficial effects are as follows: through the setting of locating piece, make suppression device can convenient and fast fix a position each board of upper panel, base plate, lower panel that needs the suppression, further improved work efficiency.
As a further improvement of the present invention, the technical problem to be solved is: the adhesive is required to be able to adapt to the hot pressing process in the present process.
In order to solve the technical problems, the invention further adopts the following technical scheme: the adhesive is thermoplastic resin adhesive.
The improved beneficial effects are as follows: through the arrangement of the resin adhesive, the adhesive can be melted under the heating condition, and is solidified to generate extremely strong adhesive effect when in quenching, so that the resin adhesive is suitable for hot pressing operation of the processing procedure of the multilayer wood board.
The beneficial effects of the invention are as follows: the method of combining and forming from inside to outside is adopted, so that repeated pressing from top to bottom is avoided, and the bottom plate is damaged due to overpressure; the reinforced structural plate can be pressed into the multi-layer wood plate more conveniently and reliably through a unique processing technology of matched molding of the pressing device.
Drawings
Fig. 1 is a schematic cross-sectional view of a wood board according to the present invention.
Fig. 2 is a schematic front view of the press molding machine according to the present invention.
Fig. 3 is a schematic top view of the press molding machine of the present invention.
FIG. 4 is a schematic cross-sectional view of a press die of a press molding machine according to the present invention.
Fig. 5 is a schematic structural diagram of the present invention a.
Fig. 6 is a process flow diagram of a wood board according to the invention.
The text labels in the figures are expressed as: 1. an upper panel; 2. a substrate; 3. a lower panel; 4. reinforcing the structural panel; 5. a bottom plate; 6. a lower mounting seat; 7. pressing; 71. a mounting groove; 72. a heater; 73. a fixed block; 74. a movable groove; 75. a spring; 8. an upper mounting seat; 9. a top plate; 10. a positioning block; 11. and a hydraulic cylinder.
Detailed Description
In order that those skilled in the art may better understand the technical solutions of the present invention, the following detailed description of the present invention with reference to the accompanying drawings is provided for exemplary and explanatory purposes only and should not be construed as limiting the scope of the present invention.
Example 1:
as shown in fig. 1, a multi-layer wood board comprises a substrate 2, an upper panel 1 is arranged at the upper end of the substrate 2, a lower panel 3 is arranged at the lower end of the substrate 2, a reinforcing structure plate 4 is arranged between the upper panel 1 and the substrate 2 and between the substrate 2 and the lower panel 3, and vertical protrusions are arranged on the upper end face and the lower end face of the reinforcing structure plate 4 at intervals. The reinforcing structure plates 4 arranged at intervals are arranged between the base plate 2 and the upper panel 1 and between the base plate 2 and the lower panel 3, so that the bending resistance and the structural strength of the multi-layer wood board can be effectively improved, and the multi-layer wood board is not easy to deform in the use process.
Example 2:
as shown in fig. 1 and 6, a processing technology of a multi-layer wood board comprises: the method comprises the following steps:
step one: pretreatment of the raw materials of the upper panel 1, the substrate 2 and the lower panel 3; a. removing the wood Mao Damo from the surface by a sander; b. cutting the ground wood board by a cutting machine according to the requirements;
step two: loading a pair of reinforcing structure plates 4 into a pressing device and heating;
step three: uniformly coating an adhesive on the end face of the substrate 2 obtained in the first step, and putting the substrate into a pressing device to be pressed and molded between a pair of reinforced structural plates 4; the adhesive is thermoplastic resin adhesive. The bonding surface between the heated reinforcing structure plate 4 and the thermoplastic resin adhesive can be dissolved and permeated firstly, and then the substrate 2 and the reinforcing structure plate 4 are tightly bonded in the cooling process of the reinforcing structure plate 4, which is different from the hot pressing performed by the common adhesive and the pressing device, and is equivalent to the cold pressing of the two heated reinforcing structure plates 4, and the flatness of the substrate 2 can be improved in the process without influencing the subsequent process.
Step four: loading the upper panel 1 obtained in the first step and the substrate 2 obtained in the third step into a pressing device according to the sequence from top to bottom for hot press molding processing, standing the bottom plate for 5-positioning blocks for 10min after hot press is finished, and naturally cooling;
step five: loading the plate obtained in the fourth step and the lower panel 3 obtained in the first step into a pressing device according to the sequence from top to bottom for hot press molding processing, standing the bottom plate for 5-10 min after hot pressing is finished, and naturally cooling;
step six: taking out the multi-layer wood board in the pressing device, polishing the end face and the edge of the multi-layer wood board by using a polisher, and spraying finishing paint.
The process adopts a combined forming mode from inside to outside (from the base plate 2 to the upper panel 1 and the lower panel 3), so that repeated pressing from top to bottom is avoided, and the base plate 5 is damaged due to overpressure; the reinforcing structure plate 4 can be pressed into the multi-layer wood board more conveniently and reliably through a unique processing technology of matched molding of the pressing device.
Example 3:
as shown in fig. 2-5, the pressing device comprises a bottom plate 5 and a top plate 9, the bottom plate 5 and the top plate 9 are connected through a hydraulic cylinder 11, a lower mounting seat 6 is arranged at the upper end face of the bottom plate 5, an upper mounting seat 8 is arranged at the lower end face of the top plate 9, a pressing die 7 is arranged on the upper end face of the lower mounting seat 6 and the lower end face of the upper mounting seat 8, and a heater 72 is arranged in the pressing die 7. Through the setting of bottom plate 5, lower mount pad 6, upper mount pad 8, roof 9, pneumatic cylinder 11, make the suppression device can cooperate the technological process of multilayer plank to carrying out the compression moulding between each board. When the pressing machine is used, a material to be pressed is placed between the pressing dies 7 of the lower mounting seat 6 and the upper mounting seat 8, the hydraulic cylinder 11 is started to lower the top plate 9 to start pressing, and after the pressing is finished, the hydraulic cylinder 11 is started to lift the east top plate 9 to finish the pressing process.
The end surface of the pressing die 7 contacted with the material is provided with mounting grooves 71 which are matched with the vertical protrusions of the reinforced structural plate 4 at intervals. By providing the mounting groove 71, the pressing device does not crush the vertical protrusions on the reinforcing structure plate 4 when pressing the reinforcing structure plate 4, and the effect of improving the bending resistance of the reinforcing structure plate 4 can be improved. That is, when the reinforcing-structure plate 4 is mounted on the stamper 7, the vertical protrusions on the reinforcing-structure plate 4 are inserted into the mounting grooves 71, and the end surfaces of the reinforcing-structure plate 4 and the end surfaces of the stamper 7 are bonded to each other.
The mounting groove 71 is internally provided with a movable groove 74, the movable groove 74 is internally provided with a pair of fixed blocks 73, a spring 75 is arranged between the fixed blocks 73 and the movable groove 74, and the fixed blocks 73 are mutually tightly attached under the influence of the spring 75. The pressing die 7 of the pressing device can stably clamp the reinforcing structure plate 4 arranged on the pressing device through the arrangement of the movable groove 74, the fixed block 73 and the spring 75 so as to match the forming process of the multi-layer wood board. The upper end face of the bottom plate 5 is provided with positioning blocks 10 which are matched with the plate in size at intervals at the corners of the lower mounting seat 6. Through the setting of locating piece 10, make the suppression device can be convenient and fast fix a position each board of upper panel 1, base plate 2, lower panel 3 that needs the suppression, further improved work efficiency.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present invention and its core ideas. The foregoing is merely illustrative of the preferred embodiments of the invention, and it is noted that there is virtually no limit to the specific structure which may be imposed by those skilled in the art without departing from the spirit of the invention, and that modifications, adaptations, or variations of the foregoing features may be combined in a suitable manner; such modifications, variations and combinations, or the direct application of the inventive concepts and aspects to other applications without modification, are contemplated as falling within the scope of the present invention.

Claims (7)

1. A multi-layered wood board, characterized in that: including base plate (2), base plate (2) upper end is provided with top panel (1), base plate (2) lower extreme is provided with bottom panel (3), is provided with reinforced structure board (4) between top panel (1) and base plate (2) and between base plate (2) and bottom panel (3), the interval is provided with vertical protruding on the upper and lower two terminal surfaces of reinforced structure board (4).
2. A process for the production of a multi-layered wood board according to claim 1, wherein: the method comprises the following steps:
step one: pretreating the raw materials of the upper panel (1), the substrate (2) and the lower panel (3); a. removing the wood Mao Damo from the surface by a sander; b. cutting the ground wood board by a cutting machine according to the requirements;
step two: loading a pair of reinforcing structure plates (4) into a pressing device and heating;
step three: uniformly coating the adhesive on the end face of the substrate (2) obtained in the first step, and putting the substrate into a pressing device to be pressed and molded between a pair of reinforced structural plates (4);
step four: loading the upper panel (1) obtained in the first step and the substrate (2) obtained in the third step into a pressing device according to the sequence from top to bottom for hot press molding processing, standing for 5-10 min after hot press is finished, and naturally cooling;
step five: loading the plate obtained in the fourth step and the lower panel (3) obtained in the first step into a pressing device according to the sequence from top to bottom for hot press molding processing, standing for 5-10 min after hot pressing is finished, and naturally cooling;
step six: taking out the multi-layer wood board in the pressing device, polishing the end face and the edge of the multi-layer wood board by using a polisher, and spraying finishing paint.
3. A process for the production of a multi-layered wood board according to claim 2, wherein: the pressing device comprises a bottom plate (5) and a top plate (9), wherein the bottom plate (5) and the top plate (9) are connected through a hydraulic cylinder (11), a lower mounting seat (6) is arranged at the upper end face of the bottom plate (5), an upper mounting seat (8) is arranged at the lower end face of the top plate (9), a pressing die (7) is arranged on the upper end face of the lower mounting seat (6) and the lower end face of the upper mounting seat (8), and a heater (72) is arranged in the pressing die (7).
4. A process for the production of a multi-layered wood board according to claim 3, wherein: and mounting grooves (71) matched with the vertical protrusions of the reinforced structural plates (4) are formed in the end face, contacted with the material, of the pressing die (7) at intervals.
5. A process for producing a multi-layered wood board according to claim 4, wherein: the mounting groove (71) is internally provided with a movable groove (74), the movable groove (74) is internally provided with a pair of fixed blocks (73), a spring (75) is arranged between the fixed blocks (73) and the movable groove (74), and the fixed blocks (73) are tightly adhered to each other under the influence of the spring (75).
6. A process for producing a multi-layered wood board according to claim 5, wherein: the upper end face of the bottom plate (5) is provided with positioning blocks (10) which are matched with the plate in size at intervals at the corners of the lower mounting seat (6).
7. A process for the production of a multi-layered wood board according to claim 2, wherein: the adhesive is thermoplastic resin adhesive.
CN202310535795.5A 2023-05-12 2023-05-12 Multilayer wood board and processing technology thereof Pending CN116587378A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310535795.5A CN116587378A (en) 2023-05-12 2023-05-12 Multilayer wood board and processing technology thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310535795.5A CN116587378A (en) 2023-05-12 2023-05-12 Multilayer wood board and processing technology thereof

Publications (1)

Publication Number Publication Date
CN116587378A true CN116587378A (en) 2023-08-15

Family

ID=87598511

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310535795.5A Pending CN116587378A (en) 2023-05-12 2023-05-12 Multilayer wood board and processing technology thereof

Country Status (1)

Country Link
CN (1) CN116587378A (en)

Similar Documents

Publication Publication Date Title
CN201009315Y (en) Multipurpose high-frequency panel binding apparatus
WO2020122260A1 (en) Production method for fiber-reinforced resin molded article
CN103085338A (en) Manufacturing method of mold pressing combined paper winding drum
CN107182170B (en) A kind of printed wiring board manufacture craft of the nut containing extruding
CN114559680B (en) Forming die and forming method for ship propeller composite material blade autoclave
CN111716761A (en) Special-shaped curved surface aramid fiber paper honeycomb simple pre-setting die and manufacturing method thereof
US20230241800A1 (en) Board edge casting process and application thereof
CN116587378A (en) Multilayer wood board and processing technology thereof
CN114474287B (en) All-bamboo bent chair leg integrated forming production method and cooling and shaping mold
CN201483617U (en) Arc bamboo sheet radial gluing device
CN114878266A (en) Honeycomb sandwich structure tensile test block curing forming device and curing forming process
CN114889220A (en) Processing technology of hot-press welding formed paper holder of multilayer paper card precoated with hot melt adhesive
CN204869434U (en) Preceding hot briquetting mould that gives sound insulation and fill up that encloses
CN109227174B (en) CNC (computerized numerical control) multi-piece integrated machining combined clamp and clamping method
CN209781392U (en) Automatic line for gluing and bonding automobile spoiler
CN217621156U (en) Die capable of extruding molded door plate with glass holes
CN112590246A (en) DR flat bed with edge strips, flat bed forming die and forming method
CN105305004B (en) Crack source array waveguide insertion fixed bonding moulding process
CN215202445U (en) Hot press
CN218020311U (en) Laminating device for component plates
CN221271806U (en) Press fit die for silica gel full encapsulation
CN218139828U (en) Leather products hot pressing mold
CN218020098U (en) Temperature control mold for in-mold labeling
CN216803833U (en) Pressing device of soft forming edge bonding machine
CN221429198U (en) PI film laminating jig

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination