CN109968688B - Fiber hot-pressing deformable mold - Google Patents

Fiber hot-pressing deformable mold Download PDF

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Publication number
CN109968688B
CN109968688B CN201711440926.2A CN201711440926A CN109968688B CN 109968688 B CN109968688 B CN 109968688B CN 201711440926 A CN201711440926 A CN 201711440926A CN 109968688 B CN109968688 B CN 109968688B
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China
Prior art keywords
sliding
die
mold
plate
mould
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CN201711440926.2A
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Chinese (zh)
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CN109968688A (en
Inventor
张洪生
祝颖丹
涂丽艳
陈刚
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Ningbo Institute of Material Technology and Engineering of CAS
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Ningbo Institute of Material Technology and Engineering of CAS
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Priority to CN201711440926.2A priority Critical patent/CN109968688B/en
Publication of CN109968688A publication Critical patent/CN109968688A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00Moulds or cores; Details thereof or accessories therefor
    • B29C33/02Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means
    • B29C33/04Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means using liquids, gas or steam
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00Moulds or cores; Details thereof or accessories therefor
    • B29C33/42Moulds or cores; Details thereof or accessories therefor characterised by the shape of the moulding surface, e.g. ribs or grooves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00Moulds or cores; Details thereof or accessories therefor
    • B29C33/44Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28Shaping operations therefor
    • B29C70/30Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
    • B29C70/34Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
    • B29C70/345Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation using matched moulds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28Shaping operations therefor
    • B29C70/54Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing

Abstract

The invention discloses a fiber hot-pressing deformable mould which comprises an upper mould and a lower mould which are oppositely arranged, wherein sliding tables are fixedly arranged on the upper edges of the left side and the right side of the lower mould respectively, a first sliding plate capable of horizontally sliding inwards and outwards is connected to each of the two sliding tables in a sliding manner, and a second sliding plate capable of longitudinally sliding is arranged on each first sliding plate; two sides of the concave structure bottom surface on the lower die surface are respectively provided with a sliding die plate, the two sliding die plates are arranged in a mirror image mode, a first inclined plane is formed on one side facing the upper die, and second inclined planes attached to the first inclined planes are formed on two sides of the lower portion of the upper die respectively. The technical scheme can solve the problems of difficult edge folding forming, difficult edge folding pattern forming and difficult demoulding in the continuous fiber compression molding, and is suitable for the continuous fiber compression molding piece of a special-shaped piece with a small upper opening and a large lower end.

Description

Fiber hot-pressing deformable mold
Technical Field
The invention relates to the technical field of resin fiber forming, in particular to a fiber hot-pressing deformable mold.
Background
The current continuous resin fiber forming method mainly comprises the following steps: the method comprises the following steps of mould pressing, hand pasting, vacuum bag hot pressing, winding forming and extrusion-drawing forming. The resin fiber forming and pressing method mainly has wide application in short fiber and long and short fiber resin forming, and the performance of the resin continuous fiber forming part is higher than that of the short fiber resin forming part, but due to the limitation of continuous fibers, the appearance structure of the forming part is simple, only simple shapes can be formed, and particularly for the special-shaped continuous fiber forming part with a small upper opening and a large lower end, the problems of difficult edge folding forming, difficult edge folding and pattern forming and difficult demoulding exist.
Disclosure of Invention
Aiming at the problems in the prior art, the fiber hot-pressing deformable mold is provided for solving the problems of difficult edge folding forming, difficult edge folding pattern forming and difficult demolding in continuous fiber compression molding, and is used for overcoming the technical defects.
The specific technical scheme is as follows:
a fiber hot-pressing deformable mould comprises an upper mould and a lower mould which are oppositely arranged, wherein sliding tables are fixedly arranged on the upper edges of the left side and the right side of the lower mould respectively, a first sliding plate capable of horizontally sliding inwards and outwards is connected to each of the two sliding tables in a sliding manner, and a second sliding plate capable of longitudinally sliding is arranged on each first sliding plate;
two sides of the bottom surface of the concave structure on the surface of the lower die are respectively provided with a sliding die plate, the two sliding die plates are arranged in a mirror image mode, one side facing the upper die is provided with a first inclined surface, and two sides of the lower part of the upper die are respectively provided with a second inclined surface attached to the first inclined surface;
and the outer sides of the two first sliding plates are fixedly connected with the functional end of at least one first power source respectively, and the upper surfaces of the two second sliding plates are fixedly connected with the functional end of at least one second power source respectively.
Preferably, the upper die is provided with a plurality of strip-shaped through grooves parallel to the second inclined plane, each strip-shaped through groove is internally provided with a limiting part, the head end of each limiting part penetrates through the second inclined plane and is fixedly connected with the sliding die plate, and the limiting parts can slide along the strip-shaped through grooves.
Preferably, a first limiting surface is formed on the upper surface of the sliding die plate on one side of the upper die in a longitudinal direction, and first abutting surfaces opposite to the first limiting surface are arranged on two sides of the upper die.
Preferably, a second limiting surface is formed on the upper end surface of the sliding die plate, and a second abutting surface opposite to the second limiting surface is formed on the lower surfaces of the two sides of the upper die.
Preferably, the lower die is internally provided with a plurality of groups of heating and cooling holes, and the heating and cooling holes penetrate through the front end face and the rear end face of the lower die, or can be arranged in the direction penetrating through the left side face and the right side face.
Preferably, a plurality of groups of heating and cooling holes are formed in the two sliding die plates, and the heating and cooling holes penetrate through the front end face and the rear end face of the sliding die plate.
Preferably, the sliding table is provided with a sliding rail, and the lower end of the first sliding plate is provided with a sliding sleeve connected with the sliding rail.
Preferably, the first power source is disposed on the sliding table.
Preferably, the first sliding plate is further provided with a plurality of groups of longitudinally arranged positioning slide bars, and the positioning slide bars are matched with a plurality of groups of sliding sleeves arranged on the second sliding plate.
Preferably, the first power source and the second power source are oil cylinders or electric cylinders, and output rod parts of the oil cylinders are used as functional ends.
The beneficial effects of the above technical scheme are that:
the fiber hot-pressing deformable mould comprises an upper mould and a lower mould which are oppositely arranged, sliding tables are fixedly arranged on two sides of the upper edge of the lower mould, the two sliding tables are respectively connected with a first sliding plate in a sliding manner, and a second sliding plate is arranged on the first sliding plate; set up the slip mould board in the indent structure on lower mould surface for can reduce last mould or reduction model, solve the drawing of patterns difficulty that exists in the continuous fibers compression molding, the fixed slip table that sets up in lower mould top edge both sides, first slide of sliding connection respectively on two slip tables, set up the second slide on the first slide and can solve hem shaping difficulty, hem pattern forming difficulty, the difficult problem of drawing of patterns, and be applicable to the big dysmorphism piece continuous fibers mould pressing formed part of the little lower extreme of upper jaw equally.
Drawings
FIG. 1 is a perspective view of a fiber hot-pressing deformable mold of the present invention;
fig. 2 is a perspective enlarged view of a part of the structure of the fiber hot-pressing deformable mold of the invention.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the following embodiments are specifically described with reference to the accompanying drawings 1 to 2.
Referring to fig. 1, a perspective view of a fiber hot-pressing deformable mold is shown; and with reference to fig. 2, a three-dimensional enlarged view of a part of the structure of the fiber hot-pressing deformable mold is shown. The direction of the opening of the lower mold shown in fig. 1 is defined as the front-rear end direction in the present embodiment, and the directions facing and departing from the upper mold (i.e., the left-right direction with the front end of the lower mold being the positive direction) are the inner-outer direction in the present embodiment, respectively.
The invention provides a fiber hot-pressing deformable mould which comprises an upper mould 2 and a lower mould 1 which are oppositely arranged, wherein the integral cross section of the lower mould 1 is in a concave shape, the integral cross section of the upper mould 2 is in a convex shape, sliding tables 13 are fixedly arranged on the upper edges of the left side and the right side of the lower mould 1 respectively, a first sliding plate 5 which can horizontally slide inwards and outwards is connected to each sliding table 13 in a sliding manner, and a second sliding plate 4 which can slide longitudinally is arranged on each first sliding plate 5; two sides of the bottom surface of the concave structure on the surface of the lower die 1 are respectively provided with a sliding die plate 3, the two sliding die plates 3 are arranged in a mirror image mode, a first inclined plane (not shown in the figure) is formed on one side facing the upper die 2, and a second inclined plane (not shown in the figure) which is attached to the first inclined plane is formed on two sides of the lower portion of the upper die 2;
the outer sides of the two first sliding plates 5 are fixedly connected with at least one functional end of a first power source 8 respectively and used for driving the sliding plates to slide in the horizontal inner and outer directions relative to the sliding table 13, and the upper surfaces of the two second sliding plates 4 are fixedly connected with at least one functional end of a second power source 9 respectively and used for driving the sliding plates to slide longitudinally relative to the first sliding plates 5.
In a preferred embodiment, a plurality of sets of heating and cooling holes 11 are provided in the lower mold 1, and the heating and cooling holes 11 penetrate the front end surface and the rear end surface of the lower mold 1 to heat and rapidly switch cooling of the mold by high-pressure hot water and water. Furthermore, a sliding rail is arranged on the sliding table 13, and a sliding sleeve connected with the sliding rail is arranged at the lower end of the first sliding plate 5, so that the first sliding plate 5 can slide relative to the sliding rail conveniently. Further, first power supply 8 sets up on slip table 13, and first power supply 8 promotes first slide 5 and removes the locking and loosen about the horizontal direction, and locking makes first slide 5 become a mould part, and the loosening makes and gets out the piece and lets out the space with last mould 2, the drawing of patterns of being convenient for. Furthermore, a plurality of sets of longitudinally arranged positioning slide bars 10 are further arranged on the first sliding plate 5, and the positioning slide bars 10 are matched with a plurality of sets of sliding sleeves arranged on the second sliding plate 4, so that the second power source 9 pushes the second sliding plate 4 to vertically move along the sliding sleeves and the positioning slide bars 10 in a matching manner, and the second sliding plate moves downwards to become a part of the mold and moves upwards to release the product. The first power source 8 and the second power source 9 may be cylinders or electric power sources, the output rod of the cylinders may be the functional end, and a multi-rod cylinder or an electric push rod may be used as the power sources.
In the specific application, the first sliding plate 5 locks the second sliding plate 4 to move downwards vertically according to the direction of the die, and the working surface of the port of the second sliding plate 4 is processed into different shapes, so that the fiber product is molded into vertical patterns with different shapes on the folded edge. The second slide 4 is moved vertically upwards and the first slide 5 is moved horizontally outwards to release the mould and leave the article with a space for demoulding.
As a further preferred embodiment, a plurality of elongated through slots 6 parallel to the second inclined plane are formed in the upper die 2, each elongated through slot 6 accommodates a limiting member 7 therein, a head end of each limiting member 7 penetrates through the second inclined plane and is fixedly connected with the sliding die plate 3, and the limiting members 7 can slide along the waist-shaped through slots 6. So that the longitudinal restraining sliding die plate 3 moves longitudinally on the upper die 2. Further, all be provided with multiunit heating and cooling hole 12 on two sliding die board 3, and heating cooling hole 12 runs through sliding die board 3's preceding terminal surface and rear end face, switches through high-pressure hot water and cooling water, realizes the mould cooling of heating fast, realizes goods rapid prototyping and drawing of patterns. Furthermore, a first limiting surface 16 is formed on the sliding mold plate 3 facing one side of the upper mold 2 in the longitudinal direction, and first abutting surfaces 15 opposite to the first limiting surface 16 are formed on two sides of the upper mold 2 to limit the limit position of the sliding mold plate 3 sliding downwards relative to the upper mold 2, so that the mold is reduced to the limit. Further, a second limiting surface 18 is formed on the upper end surface of the sliding mold plate 3, and a second abutting surface 17 is formed on the lower surface of the upper mold 2 at a position opposite to the second limiting surface 18, so as to limit the lowest position where the upper mold 2 is pressed down, and form a complete mold shape. The limiting part is preferably a limiting pin.
In the concrete application, the limiting part 7 can slide along the direction of the inclined plane of the upper die 2, the lifting force is lifted through the upper die 2, and the sliding plate of the lower die 1 stops the lifting force, the sliding die plate 3 slides downwards along the inclined plane of the upper die 2, the width direction of the upper die 2 is reduced, a product is separated, and the lower die 1 is separated. The first limiting face 16 of the sliding die plate 3 and the first abutting face 15 of the upper die 2 are in a corresponding tight state, the reducing position is fixed, the die is reduced and shaped, the sliding die plate 3 slides upwards along the inclined face of the upper die 2 through the pressing of the upper die 2, the width direction of the upper die 2 is opened, the upper die 2 is expanded, the second limiting face 18 of the sliding die plate 3 and the second abutting face 17 of the upper die 2 are in a corresponding tight state, the upper die 2 becomes a product inner cavity shape, and the product inner cavity shape becomes a complete upper die 2. And the two sliding die plates 3 are arranged symmetrically with the upper die 2.
Based on the technical scheme, the fiber hot-pressing deformable mould comprises an upper mould 2 and a lower mould 1 which are oppositely arranged, sliding tables 13 are fixedly arranged on two sides of the upper edge of the lower mould 1, a first sliding plate 5 is respectively connected to the two sliding tables 13 in a sliding manner, and a second sliding plate 4 is arranged on the first sliding plate 5; the lower surface of the upper die 2 is also suitable for a special-shaped continuous fiber die-pressed forming part with a small upper opening and a large lower end.
The foregoing is merely a preferred embodiment of the invention, which is intended to be illustrative and not limiting. It will be understood by those skilled in the art that various changes, modifications and equivalents may be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (8)

1. A fiber hot-pressing deformable mould comprises an upper mould (2) and a lower mould (1) which are oppositely arranged, and is characterized in that sliding tables (13) are respectively and fixedly arranged on the upper edges of the left side and the right side of the lower mould (1), a first sliding plate (5) which can horizontally slide inwards and outwards is respectively connected on the two sliding tables (13) in a sliding manner, and a second sliding plate (4) which can longitudinally slide is arranged on each first sliding plate (5);
two sides of the bottom surface of the convex structure on the surface of the upper die (2) are respectively provided with a sliding die plate (3), the two sliding die plates (3) are arranged in a mirror image mode, a first inclined plane is formed on one side facing the upper die (2), and second inclined planes attached to the first inclined planes are respectively formed on two sides of the lower portion of the upper die (2);
the outer sides of the two first sliding plates (5) are fixedly connected with a functional end of at least one first power source (8) respectively, and the upper surfaces of the two second sliding plates (4) are fixedly connected with a functional end of at least one second power source (9) respectively;
a plurality of strip-shaped through grooves (6) parallel to the second inclined plane are formed in the upper die (2), a limiting piece (7) is accommodated in each strip-shaped through groove (6), the head end of each limiting piece (7) penetrates through the second inclined plane and is fixedly connected with the sliding die plate (3), and the limiting pieces (7) can slide along the strip-shaped through grooves (6);
a plurality of groups of heating and cooling holes (12) are arranged on the two sliding die plates (3); a sliding rail is arranged on the sliding table (13), and a sliding sleeve connected with the sliding rail is arranged at the lower end of the first sliding plate (5).
2. The fiber hot-pressing deformable mold according to claim 1, characterized in that a first limiting surface (16) arranged longitudinally is formed on one side of the sliding mold plate (3) facing the upper mold (2), and first abutting surfaces (15) opposite to the first limiting surface (16) are arranged on two sides of the upper mold (2).
3. The fiber hot-pressing deformable mold according to claim 2, characterized in that a second limiting surface (18) horizontally arranged is formed on the upper end surface of the sliding mold plate (3), and a second abutting surface (17) opposite to the second limiting surface (18) is formed on the lower surface of the upper mold (2) at two sides.
4. The fiber hot-pressing deformable mold according to claim 1 or 3, characterized in that a plurality of groups of heating and cooling holes (11) are arranged in the lower mold (1), and the heating and cooling holes (11) penetrate through the front end face and the rear end face of the lower mold (1).
5. The fiber thermo-compression deformable mold according to claim 4, characterized in that the heating and cooling holes (12) penetrate through the front and rear end faces of the sliding mold plate (3).
6. A hot-pressing deformable mould for fibres, according to claim 5, characterized in that said first power source (8) is arranged on said slide (13).
7. The hot-press deformable mould for fibres according to claim 6, characterized in that said first sliding plate (5) is further provided with a plurality of sets of longitudinally arranged positioning sliding bars (10), said positioning sliding bars (10) being associated with a plurality of sets of sliding sleeves provided on said second sliding plate (4).
8. The hot-press deformable mould for fibres as claimed in claim 6, characterized in that said first (8) and second (9) power sources are both cylinders or electric power sources, with the rod of said cylinders or electric power sources acting as said functional end.
CN201711440926.2A 2017-12-27 2017-12-27 Fiber hot-pressing deformable mold Active CN109968688B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711440926.2A CN109968688B (en) 2017-12-27 2017-12-27 Fiber hot-pressing deformable mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711440926.2A CN109968688B (en) 2017-12-27 2017-12-27 Fiber hot-pressing deformable mold

Publications (2)

Publication Number Publication Date
CN109968688A CN109968688A (en) 2019-07-05
CN109968688B true CN109968688B (en) 2020-11-24

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US5874033A (en) * 1997-02-05 1999-02-23 Owens Corning Fiberglas Technology, Inc. Process for preparing a laminar structure
CN102581141B (en) * 2012-03-22 2014-07-23 苏州工业园区金鑫模具制造有限公司 Mold with swing type stripping structure
JP5686194B2 (en) * 2012-06-12 2015-03-18 三菱レイヨン株式会社 Method for molding fiber reinforced plastic structure and vehicle wheel
DE102013004962A1 (en) * 2012-09-21 2014-03-27 Audi Ag Method for manufacturing fiber-reinforced plastic component for vehicle chassis, involves melting plastic material of carrier film, by impregnating and hardening semi-finished fiber product
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