CN114043664A - Wood fiber composite material extrusion molding equipment - Google Patents

Wood fiber composite material extrusion molding equipment Download PDF

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Publication number
CN114043664A
CN114043664A CN202111392625.3A CN202111392625A CN114043664A CN 114043664 A CN114043664 A CN 114043664A CN 202111392625 A CN202111392625 A CN 202111392625A CN 114043664 A CN114043664 A CN 114043664A
Authority
CN
China
Prior art keywords
fiber composite
mould
composite material
die
wood fiber
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
CN202111392625.3A
Other languages
Chinese (zh)
Inventor
陈波
罗恒
黄家胜
周彩芬
吴正国
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.)
Zhejiang Xinmu Material Technology Co ltd
Original Assignee
Zhejiang Xinmu Material Technology 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 Zhejiang Xinmu Material Technology Co ltd filed Critical Zhejiang Xinmu Material Technology Co ltd
Priority to CN202111392625.3A priority Critical patent/CN114043664A/en
Publication of CN114043664A publication Critical patent/CN114043664A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/03—Injection moulding apparatus
    • B29C45/04—Injection moulding apparatus using movable moulds or mould halves
    • B29C45/0408—Injection moulding apparatus using movable moulds or mould halves involving at least a linear movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0001—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor characterised by the choice of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/1761—Means for guiding movable mould supports or injection units on the machine base or frame; Machine bases or frames
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/2602—Mould construction elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/64—Mould opening, closing or clamping devices
    • B29C45/67—Mould opening, closing or clamping devices hydraulic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/1761—Means for guiding movable mould supports or injection units on the machine base or frame; Machine bases or frames
    • B29C2045/1764—Guiding means between the movable mould plate and tie rods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2311/00—Use of natural products or their composites, not provided for in groups B29K2201/00 - B29K2309/00, as reinforcement
    • B29K2311/14—Wood, e.g. woodboard or fibreboard

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)

Abstract

The invention provides a wood fiber composite material extrusion molding device, which comprises a circuit component and a control component, the control component comprises a mould bearing platform and a conveying pipe, an oil cylinder and a valve platform are arranged on the mould bearing platform, the oil cylinder is externally connected with a moving die, the surface of the moving die is provided with a plurality of fixed main bodies for limiting the displacement of the die, the fixing main body is provided with the inclined block, adopts a split structure, realizes the characteristics of small structure and large function, for the composite material with good fluidity, low-pressure molding can be realized, a transverse mold closing structure is adopted, so that the occupied area of a mold locking part is reduced by more than half, thereby reducing the whole occupied volume of the device, the transverse mould clamping mechanism is combined with a movable working platform which can move back and forth, the die is more convenient to mount and replace, the ultra-large product can be automatically taken in the horizontal direction, and the transverse die-closing mechanism can easily realize large die plate and large-tonnage die-closing force.

Description

Wood fiber composite material extrusion molding equipment
Technical Field
The invention relates to the technical field of material forming, in particular to wood fiber composite material extrusion and injection forming equipment.
Background
In the existing processing technology, the main processes of the processing method of the composite material are hot pressing, special-shaped die pressing and the like, the hot pressing process mainly utilizes plant composite materials to manufacture plates, if fine plant composite material products are manufactured, the special-shaped die pressing technology is required to be used, the special-shaped die pressing technology is a new process for manufacturing products by utilizing the plant composite materials, but the existing plant composite materials are fiber flocculent substances and have no ductility, the density of the products manufactured by the method is difficult to achieve consistency, patterns on the surfaces of furniture pieces are crisp and easy to wear, the application range has great limitations, meanwhile, the processing steps are multiple, the operation steps are complicated, and corresponding composite material extrusion and injection equipment needs to be integrated again.
Disclosure of Invention
The extruding and molding equipment for the wood fiber composite material has the advantages that the production and manufacturing line for extruding and molding the wood fiber composite material is automatic, the mold changing and molding assembly line is formed, and the operation efficiency is greatly improved.
The utility model provides a wood fiber composite material extrusion moulding equipment, includes circuit subassembly and control assembly, control assembly includes mould bearing platform and conveyer pipe, install hydro-cylinder and valve platform on the mould bearing platform, the external mould that moves that is provided with of hydro-cylinder, a plurality of fixed main parts of limiting the mould displacement are installed to the mould surface that moves, be equipped with the sloping block in the fixed main part.
Preferably, the inclined block is arranged on the side surface and the top surface of the inner surface of the fixing main body.
Preferably, the valve stands and the mold moving plate are arranged in a straight line in series, the number of the valve stands and the number of the mold moving plate are three, and the valve stands and the mold moving plate are arranged oppositely.
Preferably, the fixed main body is provided with an injection system, the injection system comprises an oil cylinder, a fixed plate and a guide pillar, the guide pillar is fixed below the fixed plate, the bottom of the guide pillar is connected with a pressing plate, and the pressing plate is connected with the fixed main body.
Preferably, the control assembly comprises an extrusion mechanism, the extrusion mechanism is located at the upper half part of the mold bearing platform, the extrusion mechanism comprises a servo motor and a speed reducer, the servo motor and the speed reducer are matched with each other, a synchronous belt is movably connected to the speed reducer, and a synchronous wheel is connected to the synchronous belt.
Preferably, the bottom of the extrusion mechanism is provided with a piece taking clamp die, and the number of the piece taking clamp dies is 4.
Preferably, the bottom of the shifting template is provided with a wear-resistant block.
Preferably, the side of the movable template is provided with a Gollin column for limiting linear motion.
Preferably, the side of the movable template is provided with an inserting block for increasing the positioning accuracy.
Compared with the prior art, after the mechanism is adopted, the following advantages are achieved:
1. the split structure is adopted, the characteristics of small structure and large function are realized, and low-pressure molding can be realized for the composite material with good fluidity.
2. The transverse die assembly mechanism is adopted, so that the occupied area of the die locking part is reduced by more than half, the whole occupied volume of the equipment is further reduced, the transverse die assembly mechanism is combined with the movable workbench which can move back and forth, the die is more convenient to mount and replace, the horizontal direction of the super-large-size product is convenient to automatically take the workpiece, and the transverse die assembly mechanism is easy to realize large-template and large-tonnage die assembly force.
3. The precision of the split frame type mold closing mechanism is obviously improved, the guide precision of the whole frame plate type mold closing mechanism is better due to high rigidity, and the parallelism error of the mold can be further ensured to be less than 1 mm.
4. The split frame type mould closing mechanism is easy to process, transport and install; the whole frame plate type clamping mechanism has few parts, the whole weight is reduced, and the cost is reduced.
5. The product processing technology adopts a digital control storage and die assembly stroke, automatic production is realized, and the manual operation amount is reduced.
Drawings
FIG. 1 is a perspective view of the present invention.
FIG. 2 is a second perspective view of the present invention.
FIG. 3 is a third perspective view of the present invention.
FIG. 4 is a fourth perspective view of the present invention.
FIG. 5 is a fifth perspective view of the present invention.
Fig. 6 is an enlarged view of a portion a in fig. 5.
Fig. 7 is a schematic view of a mold used in cooperation therewith.
Detailed Description
The invention is further illustrated below with reference to figures 1-7.
Along with social development, wood fiber composite materials gradually replace materials of traditional furniture, the traditional furniture materials are high in consumption, environment-friendly and incapable of meeting requirements, sustainable development is not facilitated, the wood fiber composite materials gradually enter the public vision, the wood fiber composite materials have the characteristics of being suitable in density, non-toxic, environment-friendly, capable of being degraded rapidly, compact and wear-resistant in surface, capable of being formed into complex shapes and the like, various performance parameters are far superior to those of products made of solid wood products and other plant composite materials, the cost is far lower than that of the solid wood products and not higher than that of the other plant composite materials, the wood fiber composite materials can be suitable for general household furniture industries and can be widely applied to industrial production, and at present, extrusion injection forming equipment suitable for the wood fiber composite materials is lacked.
Therefore, the invention provides wood fiber composite material extrusion molding equipment which comprises a circuit component 12 and a control component, wherein the control component comprises a mould bearing platform and a conveying pipe 1, an oil cylinder and a valve table 4 are arranged on the mould bearing platform, and an inclined block is arranged on a fixing main body 6.
The invention needs to be matched with wood fiber composite materials for use, firstly, the installation and debugging of equipment are needed, and the equipment is divided into two blocks: mechanical, electronic control (the equipment does not use gas), and electronic control part includes the electronic box, and the electronic component includes inside the electronic box: circuit breakers, switches, transformers, filters, power supplies, PLCs, expansion modules, servo drives, terminal blocks, etc., sensors (pressure sensors, temperature sensors, etc.) at various parts of the device, position sensors (pull wires, limit switches, proximity switches, etc.) at various moving parts.
The mechanical part includes hydraulic part (system, hydro-cylinder), mechanical part (main part, notes pressure, drawing a mould, moving die, loose core), and wherein the hydro-cylinder is the notes pressure hydro-cylinder: pressure 42 tons, stroke 1200mm, core-pulling oil cylinder 5: the pressure stroke is according to the mould demand, the mould positioning cylinder that moves: pressure 5 tons, stroke 50mm, mould moving main cylinder: pressure 37 tons, stroke 1200mm, mould moving auxiliary cylinder: pressure 16 tons, stroke 1200mm, mould taking and clamping oil cylinder 8: pressure 2 tons, stroke 50mm, mould taking/lifting push-down oil cylinder: pressure 10 tons, stroke 1300mm, mould stub bar clearance hydro-cylinder is got: the pressure is 2 tons, and the stroke is 600 mm.
As shown in fig. 1, the injection cylinders are distributed at the top of the mold supporting platform 2, in this embodiment, three injection cylinders work simultaneously, the injection cylinders are provided with pressing cylinders beside for mold removal, and corresponding parts cooperating with the injection cylinders are provided with an upper fixing plate, a lower fixing plate, a movable plate, a guide pillar, an injection rod, a pressing plate, and an injection part for position adjustment according to the requirement of a product feeding port.
The top of the mould bearing platform 2 is provided with a guide wheel groove which is matched with a gear rack, is convenient to match with a moving platform, and is provided with a C-shaped fastener which can control the distance between the plates and play a role in reinforcing and supporting.
The linear motion of the movable mould plate 7 is limited by two adjacent tie columns 13 as guide rails, four oil cylinders are arranged at the bottom of the movable mould plate 7, the power for opening and closing the mould is generated by the oil cylinders, and meanwhile, in order to increase the service durability of the movable mould plate 7, wear-resisting blocks 11 are embedded at the bottom of the movable mould plate 7, and the wear-resisting blocks 11 are also embedded on the bottom plate.
Further, servo motor 31, speed reducer 32, hold-in range 33 and synchronizing wheel are taken at the top of mould load-bearing platform 2, and hold-in range 33 is driven by the synchronizing wheel drive behind with the synchronizing wheel parcel, and including four direction guide pillars simultaneously, the gyro wheel is six, and the gyro wheel sets up in the injection mechanism bottom and is used for the removal on mould load-bearing platform, and the bottom sets up the drawing die clamp mould simultaneously.
Furthermore, the small oil cylinders on the two sides of the base are provided with locking insertion blocks, after the moving die plate 7 is pushed, in order to ensure accurate positioning of the die, on the other hand, the insertion blocks and the concave blocks are made of hardened steel after heat treatment, and the backward movement of the die due to the die expansion force in the die forming process is also prevented.
Furthermore, the mould on the mould bearing platform 2 in the device is a special mould, and the following description is related to the mould, and comprises an upper mould a and a lower mould b, wherein the upper mould a is movably connected with the lower mould, and the mould is characterized in that a plurality of wedge blocks c are arranged on the working surface of the upper mould a, a wedge block cylinder d is arranged between the wedge blocks c, a runner port is connected below the wedge block cylinder d, the lower mould b comprises a side core pulling and a rear core pulling, core seats for enabling the side core pulling and the rear core pulling to generate displacement are connected on the side core pulling and the rear core pulling, a core pulling pressing plate is arranged on the rear core pulling, a core pulling track matched with the core pulling pressing plate to slide is arranged on the lower mould b, wherein the wedge blocks c on the mould correspond to wedge blocks on a fixed main body 6, the wedge blocks c and the wedge blocks have corresponding slopes, a wedge block is arranged on the inner working surface of the fixed main body 6, the thickness of the wedge blocks is gradually reduced from one end to the other end, so that the wedge blocks c and the wedge blocks are placed in a complementary way, the thicker end of the wedge block c is placed at the thinner end of the wedging block, and the thinner end of the wedge block c is placed at the thicker end of the wedging block.
The device of the invention is described as follows:
as shown in figure 1, the invention comprises an extrusion-injection machine equipment part and a mould part, wherein a mould is required to be installed in the extrusion-injection equipment, the top surface of a movable mould plate 7 is provided with two positioning blocks, an oil cylinder seat of the equipment is taken down to prevent the damage to the mould during installation, a heat insulation plate is arranged between the mould and an equipment moving platform, the groove of the mould corresponds to the positioning block on the top surface of the movable mould plate 7 to prevent the displacement of the mould, a lower mould on the mould is provided with a pressure plate groove, the pressure plate groove is connected and fixed with the lower mould through a fixing buckle, meanwhile, a rear core of the mould is in threaded connection with a pull rod, the pull rod is installed through an equipment baffle, a core-pulling oil cylinder 5 system is additionally installed after the mould is installed, and then a heat-conducting oil pipe is additionally installed around the mould.
Furthermore, two wedge blocks and a circular material barrel wedge block are arranged on the fixing main body 6, the wedge blocks on the die are aligned with the wedge blocks and assembled, the wedge blocks are arranged on the side face of the fixing main body 6, the die is placed into the fixing main body 6 to be fixed, and the pressing plate 15 is arranged on the fixing main body.
Further, the wood fiber composite material is placed into a feeding port and injected into a mold cavity through an injection pressing rod, the material is heated, cured and molded, after molding, the equipment pulls out the movable mold plate 7 through an oil cylinder, the mold is moved out, at the moment, the upper mold is required to be separated from the lower mold, when the upper mold is not opened, one end of the clamping plate is pressed downwards to be tilted through a pressing rod, an oil cylinder rod penetrates into an inclined block, the number of the part taking clamping molds 10 is four, the mold taking plates start to press, a lifting oil cylinder starts to work, the lifting plate 9 is pressed against the mold through a guide column, four clamping oil cylinders fixed on the lifting plate 9 push the movable block into four grooves of the upper mold, a T-shaped groove is formed in the lifting plate 9, the structure can adjust the positions of the oil cylinder seats according to different molds, the clamped oil cylinder seats are installed on the lifting plate 9, the lifting plate 9 lifts the upper mold, after the upper mold is lifted, the pressing rod of the upper mold is separated from one end of the clamping plate, the cardboard receives self eccentric gravity to make another push down to the hydro-cylinder pole on, is blocked by the card when the hydro-cylinder pole withdraws again, can not rebound, and both sides face slider and preceding big slider are taken out and are advanced to the closed state again after taking out the product, repeats above-mentioned step, and four grip blocks are returned, and lifting plate 9 returns to the top, and wherein the cardboard has been pressed once more to the depression bar, and the cardboard is the open mode, and the hydro-cylinder pole can return.
The embodiments described above are intended to illustrate the technical solutions of the present invention in detail, and it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modification, supplement or similar substitution made within the scope of the principles of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. The utility model provides a crowded former that annotates of wood fibre combined material, includes circuit subassembly (12) and control assembly, a serial communication port, control assembly includes mould load-bearing platform (2) and conveyer pipe (1), hydro-cylinder and valve platform (4) are established to mould load-bearing platform (2) facial make-up, the external template (7) that moves that is provided with of hydro-cylinder, move adjacent a plurality of fixed main parts (6) of installing the restriction mould displacement of template (7), be equipped with sloping block (61) on fixed main part (6), move template (7) and fixed main part (6) subtend arrangement, be equipped with the cavity of fixed mould in fixed main part (6).
2. The extrusion molding apparatus of a wood fiber composite material according to claim 1, wherein the inclined block (61) is provided on the side surface and the top surface of the inner surface of the fixing body (6).
3. The extrusion-injection molding equipment for wood fiber composite materials according to claim 1, wherein the valve stands (4) and the movable mold plates (7) are arranged in a straight line in series, the number of the valve stands is three, and the valve stands (4) and the movable mold plates (7) are arranged oppositely.
4. The wood fiber composite material extrusion molding device according to claim 1, wherein the fixing body (6) is provided with an injection system (3), the injection system (3) comprises a mold clamping cylinder (8), a fixing plate and a guide pillar, the bottom of the guide pillar is connected with a pressing plate (15), and the pressing plate (15) is connected with the fixing body (6).
5. The extrusion molding device for wood fiber composite material according to claim 1, wherein the control assembly comprises an extrusion mechanism, the extrusion mechanism is located in the upper half portion of the mold carrying platform (2), the extrusion mechanism comprises a servo motor (31) and a speed reducer (32), the servo motor (31) and the speed reducer (32) are matched with each other, the speed reducer (32) is movably connected with a synchronous belt (33), and the synchronous belt (33) is connected with a synchronous wheel.
6. A wood fiber composite material extrusion molding device according to claim 1, wherein the mold carrying platform (2) is provided with four piece taking clamping molds (10), and the number of the piece taking clamping molds (10) is four.
7. A wood fiber composite material extrusion molding device as claimed in claim 1, wherein the bottom of the movable mold plate (7) is provided with a wear-resistant block.
8. An extrusion molding machine for fiber composite material according to claim 1, characterized in that the side of the movable mold plate (7) is provided with a tie bar (13) for restricting linear movement.
9. An extrusion molding machine for fiber composite materials according to claim 1, characterized in that the side of the movable mold plate (7) is provided with a wear-resistant block.
CN202111392625.3A 2021-11-23 2021-11-23 Wood fiber composite material extrusion molding equipment Pending CN114043664A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111392625.3A CN114043664A (en) 2021-11-23 2021-11-23 Wood fiber composite material extrusion molding equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111392625.3A CN114043664A (en) 2021-11-23 2021-11-23 Wood fiber composite material extrusion molding equipment

Publications (1)

Publication Number Publication Date
CN114043664A true CN114043664A (en) 2022-02-15

Family

ID=80210461

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111392625.3A Pending CN114043664A (en) 2021-11-23 2021-11-23 Wood fiber composite material extrusion molding equipment

Country Status (1)

Country Link
CN (1) CN114043664A (en)

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