CN102990866A - Glass fiber reinforced plastic mold with replaceable mold surface - Google Patents
Glass fiber reinforced plastic mold with replaceable mold surface Download PDFInfo
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- CN102990866A CN102990866A CN2012105160830A CN201210516083A CN102990866A CN 102990866 A CN102990866 A CN 102990866A CN 2012105160830 A CN2012105160830 A CN 2012105160830A CN 201210516083 A CN201210516083 A CN 201210516083A CN 102990866 A CN102990866 A CN 102990866A
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Abstract
The invention discloses a glass fiber reinforced plastic mold with a replaceable mold surface. The glass fiber reinforced plastic mold comprises an upper mold and a lower mold, wherein the lower mold comprises a main mold, a back mold and a vacuum system used for detachably and fixedly adhering the main mold and the back mold through a vacuum negative pressure function; a lower mold cavity is arranged on the back mold; the main mold and the back mold are connected to form a sealing cavity in a sealing mode; and the vacuum system comprises a vacuum generator and a communicating pipe which is communicated with an extraction opening of the vacuum generator and the sealing cavity. According to the glass fiber reinforced plastic mold with the replaceable mold surface, after the mold surface is damaged and scraped, only the back mold is replaced, the mold is not required to be opened again, the mold cost can be reduced, the resource waste is reduced, and the production cycle is guaranteed; and moreover, an opened and closed space is formed between the main mold and the back mold, a heating device is positioned in the space and the product can be heated and cured, the production efficiency of the product and the product quality are effectively improved, the defective rate is reduced, and compared with the traditional buried electrical heating tube, hot water pipes and other heating structures, the glass fiber reinforced plastic mold has high maintenance performance.
Description
Technical field
The present invention relates to a kind of injection mold, relate in particular to a kind of fiber reinforced plastic mold of replaceable die face.
Background technology
Injection mo(u)lding is that the material that melts that is heated is injected mold cavity, after solidifying, obtain the process of formed products, in order to reduce die cost, alleviate mold weight, injection mold is changed towards composite material mould by metal die gradually, wherein be most widely used for fiber reinforced plastic mold, have mechanical strength height, light weight and the multifrequency natures such as hard, corrosion-resistant and insulation.The damage of fiber reinforced plastic mold concentrates on die face usually, this is to some apparent products, such as all types of industries product casing, sanitaryware, automobile component is unacceptable, therefore fiber reinforced plastic mold in use need keep in repair repeatedly, and maintenance repeatedly causes the die face breakage more and more serious, until mould is scrapped, in the real world applications of fiber reinforced plastic mold, the mould cost that is used for the large product such as processing wind power engine room cover is hundreds of thousands and even up to a million easily, repeat the significant wastage that die sinking has not only caused resource and fund owing to die surface is damaged, also incur loss through delay man-hour.
Therefore, for addressing the above problem the fiber reinforced plastic mold that needs a kind of replaceable die face, realize the quick-replaceable of die face, avoid reducing die cost because die surface damages the again die sinking that causes, reduce the wasting of resources, guarantee the production cycle.
Summary of the invention
In view of this, the fiber reinforced plastic mold that the purpose of this invention is to provide a kind of replaceable die face, counterdie is arranged to the fabricated structure that consisted of by main mould and the removable lining mould that is fixed in main mould, the counterdie die cavity is located at the lining mould, after die face damage is scrapped more the rebush mould get final product, need not again die sinking, can reduce die cost, reduce the wasting of resources, guarantee the production cycle.
The fiber reinforced plastic mold of replaceable die face of the present invention comprises upper die and lower die; Described counterdie comprises main mould, lining mould and is used for by the negative pressure of vacuum effect main mould and the fixing vacuum system of the removable applying of lining mould; The counterdie die cavity is located at the lining mould; Described main mould and the salable annular seal space that is connected to form of lining mould; Described vacuum system comprises vacuum generator and is communicated in the communicating pipe of vacuum generator bleeding point and described annular seal space.
Further, described main mould end face coincide with lining mould bottom surface structure, and lining mould bottom surface limit section is provided with for being tightly connected with main mould and forms the annular sealing strip of described annular seal space, main mould end face be provided with can with the annular seal groove of described annular sealing strip interference fits;
Further, be located at main mould bottom surface described communicating pipe, comprise trunk line and branched pipe communicating pipe, described branched pipe is the four-way pipe structure, each arm is corresponding one by one to be connected and to be communicated with annular seal space with main mould longitudinal end two places and lateral middle two places, main mould is provided with the aspirating hole of managing each arm for connected component, and described trunk line is communicated in the bleeding point of branched pipe and vacuum generator;
Further, described counterdie comprises also that for the heating system that it is heated described heating system comprises the electric calorifie installation that is arranged in the described annular seal space, and described main mould is provided be used to the heating tank that holds electric calorifie installation;
Further, described electric calorifie installation is electrothermal carbon fibre membrane, and the described heating tank degree of depth equates with the carbon fiber electric heating film thickness;
Further, described electrothermal carbon fibre membrane and heating tank are positioned at counterdie die cavity below and vertically are strip along main mould and arrange three groups, and each electrothermal carbon fibre membrane is in parallel;
Further, laterally middle part two aspirating holes are along main mould laterally successively alternately on described electrothermal carbon fibre membrane and heating tank and the main mould;
Further, described heating system also comprises for the temperature controller of automatically controlling the carbon fiber electric heating film temperature, described temperature controller is fixed in main mould bottom surface limit section, its temperature-sensitive partly passes main mould and communicates with annular seal space, main mould is provided with the via hole that the temperature-sensitive for temperature controller partly passes, and the temperature-sensitive of described via hole and temperature controller partly is tightly connected;
Further, described vacuum generator and temperature controller are fixed in main mould bottom surface limit section side by side;
Further, be provided with leg bottom the described main mould.
The invention has the beneficial effects as follows: the fiber reinforced plastic mold of replaceable die face of the present invention, counterdie is arranged to the fabricated structure that consisted of by main mould and the removable lining mould that is fixed in main mould, the counterdie die cavity is located at the lining mould, after die face damage is scrapped more the rebush mould get final product, need not again die sinking, can reduce die cost, reduce the wasting of resources, guarantee the production cycle, and form space to be opened/closed between main mould and the lining mould, being positioned at this space layout heater can be to the product curing that heats up, Effective Raise production efficient and product quality, reduction in the numbers of seconds, and with traditional pre-buried electrothermal tube, the heating arrangements such as hot-water line are compared has preferably maintenanceability energy.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples:
Fig. 1 is the front view of counterdie among the present invention;
Fig. 2 is the left view of counterdie among the present invention;
Fig. 3 is the top perspective view of counterdie among the present invention;
Fig. 4 is the face upwarding stereogram of counterdie among the present invention;
Fig. 5 is A place zoomed-in view among Fig. 1.
The specific embodiment
Fig. 1 is the front view of counterdie among the present invention, Fig. 2 is the left view of counterdie among the present invention, Fig. 3 is the top perspective view of counterdie among the present invention, Fig. 4 is the face upwarding stereogram of counterdie among the present invention, Fig. 5 is A place zoomed-in view among Fig. 1, as shown in the figure: the fiber reinforced plastic mold of replaceable die face of the present invention comprises patrix (not indicating among the figure) and counterdie; Described counterdie comprises main mould 1, lining mould 2 and is used for by the negative pressure of vacuum effect main mould 1 and the fixing vacuum system of lining mould 2 removable applyings; Counterdie die cavity 8 is located at lining mould 2; Described main mould 1 and the lining mould 2 salable annular seal spaces 7 that are connected to form; Described vacuum system comprises vacuum generator 3 and is communicated in the communicating pipe 4 of vacuum generator 3 bleeding points and described annular seal space 7, by the negative pressure of vacuum effect main mould 1 being carried out removable applying with lining mould 2 fixes, not only be convenient to serve as a contrast the fixing and dismounting of mould 2, and be set to and the fit clearance that serves as a contrast structure that mould 2 bottom surfaces match and can eliminate main mould 1 and lining mould 2 by main mould 1 end face, guarantee the supporting role of 1 pair of lining of main mould mould 2, improve lining mould 2 rigidity, guarantee to process the product size precision.
In the present embodiment, described main mould 1 end face coincide with lining mould 2 bottom surface structures, lining mould 2 bottom surface limit section is provided with for being tightly connected with main mould 1 and forms the annular sealing strip 5 of described annular seal space 7, main mould 1 end face be provided with can with the annular seal groove 6 of described annular sealing strip 5 interference fits, as shown in Figure 1, lining mould 2 middle concave parts become described counterdie die cavity 8, annular sealing strip 5 is around counterdie die cavity 8 peripheral settings, make annular seal space 7 be formed at whole counterdie die cavity 8 bottoms, can make at least die cavity part of lining mould 2 and main mould 1 effectively fit fixing after opening vacuum system, can partly effectively strengthen by 1 pair of lining of main mould mould, 2 die cavities, improve its rigidity, assurance processes the product size precision, and annular sealing strip 5 cross sections are rectangle, annular seal groove 6 is set to the rectangular channel identical with annular sealing strip 5 cross sections, annular seal groove 6 bottoms are provided with a passage (not indicating among the figure) at least, when being installed on main mould 1 for lining mould 2 annular seal groove 6 interior air are derived, by annular sealing strip 5 and cooperating of annular seal groove 6 constructing described annular seal space 7, can also carry out horizontal location to lining mould 2 and main mould 1, guarantee that lining mould 2 is fixed in the positioning accuracy of main mould 1.
In the present embodiment, be located at main mould 1 bottom surface described communicating pipe 4, comprise trunk line 9 and branched pipe 10 communicating pipe 4, described branched pipe 10 is the four-way pipe structure, each arm is corresponding one by one to be connected and to be communicated with annular seal space 7 with main mould 1 longitudinal end, two places and lateral middle two places, main mould 1 is provided with the aspirating hole 11 for connected component's pipe 10 each arm, described trunk line 9 is communicated in the bleeding point of branched pipe 10 and vacuum generator 3, as shown in Figure 4, main mould 1 longitudinal end two place's aspirating holes 11 are positioned at outside the counterdie die cavity 8 vertical projection scopes and along main mould 1 and vertically are symmetrical arranged; Main mould 1 lateral middle two place's aspirating holes 11 are positioned at counterdie die cavity 8 vertical projection scopes and along main mould 1 lateral symmetry setting, main mould 1 and lining mould 2 and annular seal space 7 corresponding parts are effectively fitted fix and stressed more even, eliminate fit clearance, guarantee the rigidity of lining mould 2.
In the present embodiment; described counterdie also comprises for the heating system that it is heated; described heating system comprises the electric calorifie installation 12 that is arranged in the described annular seal space 7; described main mould 1 is provided be used to the heating tank that holds electric calorifie installation 12;, heating system can be convenient to realize the intensification curing of product by being set; Effective Raise production efficient and product quality; reduction in the numbers of seconds; traditional fiber reinforced plastic mold with heating system; for realizing the effective intensification heating to product; on the low thermal conductivity basis of considering glass steel material; usually adopt the pre-buried structure of electrothermal tube or hot-water line; this class heating system design in case its internal structure goes wrong, is difficult to repair usually; can only do management in idle time; and heater is arranged in main mould 1 and the annular seal space 7 of lining between the mould 2 among the present invention, can by with main mould 1 with serve as a contrast mould 2 and separate and carry out inspection and maintenance to it, can guarantee heating function when breaking down.
In the present embodiment, described electric calorifie installation 12 is electrothermal carbon fibre membrane, and the described heating tank degree of depth equates with the carbon fiber electric heating film thickness, adopts membranaceous heating material, has promoted main mould 1 and the realization that serves as a contrast mould 2 isolating constructions.
In the present embodiment, described electrothermal carbon fibre membrane and heating tank are positioned at counterdie die cavity 8 belows and vertically are strip along main mould 1 and arrange three groups, and each electrothermal carbon fibre membrane is in parallel, and homogeneous heating is beneficial to product integral body and is heating and curing.
In the present embodiment, horizontal middle part two aspirating holes 11 along main mould 1 laterally successively alternately on described electrothermal carbon fibre membrane and heating tank and the main mould 1, rationally distributed, on the main mould 1 bleed and be not subjected to blocking of electrothermal carbon fibre membrane in horizontal middle part two, good with annular seal space 7 connectivities.
In the present embodiment, described heating system also comprises for the temperature controller 13 of automatically controlling the carbon fiber electric heating film temperature, described temperature controller 13 is fixed in main mould 1 bottom surface limit section, its temperature-sensitive partly passes main mould 1 and communicates with annular seal space 7, main mould 1 is provided with the via hole that the temperature-sensitive for temperature controller 13 partly passes, the temperature-sensitive of described via hole and temperature controller 13 partly is tightly connected, injecting products need to keep heating-up temperature to continue 3 ~ 6 hours within the specific limits when being heating and curing, can realize the automatic control of heating-up temperature and keep within the required range by the thermoregulation range of set temperature controller 13, can guarantee that heating-up temperature reaches desired value, also can avoid because of the heater excess Temperature accidents caused, automaticity is high, and serviceability is good.
In the present embodiment, described vacuum generator 3 is fixed in main mould 1 bottom surface limit section side by side with temperature controller 13, and is rationally distributed, and main mould 1 limit section can protect vacuum generator 3 and temperature controller 13.
In the present embodiment, described main mould 1 bottom is provided with leg 14, by leg 14 main mould 1 is supported and ground between form the space can hold communicating pipe 4, vacuum generator 3 and temperature controller 13, reasonable in design.
Explanation is at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although with reference to preferred embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (10)
1. the fiber reinforced plastic mold of a replaceable die face comprises upper die and lower die, it is characterized in that: described counterdie comprises main mould, lining mould and is used for by the negative pressure of vacuum effect main mould and the fixing vacuum system of the removable applying of lining mould; The counterdie die cavity is located at the lining mould; Described main mould and the salable annular seal space that is connected to form of lining mould; Described vacuum system comprises vacuum generator and is communicated in the communicating pipe of vacuum generator bleeding point and described annular seal space.
2. the fiber reinforced plastic mold of replaceable die face according to claim 1, it is characterized in that: described main mould end face coincide with lining mould bottom surface structure, lining mould bottom surface limit section is provided with for being tightly connected with main mould and forms the annular sealing strip of described annular seal space, main mould end face be provided with can with the annular seal groove of described annular sealing strip interference fits.
3. the fiber reinforced plastic mold of replaceable die face according to claim 2, it is characterized in that: be located at main mould bottom surface described communicating pipe, comprise trunk line and branched pipe communicating pipe, described branched pipe is the four-way pipe structure, each arm is corresponding one by one to be connected and to be communicated with annular seal space with main mould longitudinal end two places and lateral middle two places, main mould is provided with the aspirating hole of managing each arm for connected component, and described trunk line is communicated in the bleeding point of branched pipe and vacuum generator.
4. the fiber reinforced plastic mold of replaceable die face according to claim 3; it is characterized in that: described counterdie also comprises for the heating system that it is heated; described heating system comprises the electric calorifie installation that is arranged in the described annular seal space, and described main mould is provided be used to the heating tank that holds electric calorifie installation.
5. the fiber reinforced plastic mold of replaceable die face according to claim 4, it is characterized in that: described electric calorifie installation is electrothermal carbon fibre membrane, the described heating tank degree of depth equates with the carbon fiber electric heating film thickness.
6. the fiber reinforced plastic mold of replaceable die face according to claim 5 is characterized in that: described electrothermal carbon fibre membrane and heating tank are positioned at counterdie die cavity below and vertically are strip along main mould and arrange three groups, and each electrothermal carbon fibre membrane is in parallel.
7. the fiber reinforced plastic mold of replaceable die face according to claim 6 is characterized in that: laterally middle part two aspirating holes are along main mould laterally successively alternately on described electrothermal carbon fibre membrane and heating tank and the main mould.
8. the fiber reinforced plastic mold of replaceable die face according to claim 7, it is characterized in that: described heating system also comprises for the temperature controller of automatically controlling the carbon fiber electric heating film temperature, described temperature controller is fixed in main mould bottom surface limit section, its temperature-sensitive partly passes main mould and communicates with annular seal space, main mould is provided with the via hole that the temperature-sensitive for temperature controller partly passes, and the temperature-sensitive of described via hole and temperature controller partly is tightly connected.
9. the fiber reinforced plastic mold of replaceable die face according to claim 8, it is characterized in that: described vacuum generator and temperature controller are fixed in main mould bottom surface limit section side by side.
10. the fiber reinforced plastic mold of replaceable die face according to claim 9 is characterized in that: be provided with leg bottom the described main mould.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210516083.0A CN102990866B (en) | 2012-12-04 | 2012-12-04 | Glass fiber reinforced plastic mold with replaceable mold surface |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210516083.0A CN102990866B (en) | 2012-12-04 | 2012-12-04 | Glass fiber reinforced plastic mold with replaceable mold surface |
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| Publication Number | Publication Date |
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| CN102990866A true CN102990866A (en) | 2013-03-27 |
| CN102990866B CN102990866B (en) | 2015-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210516083.0A Active CN102990866B (en) | 2012-12-04 | 2012-12-04 | Glass fiber reinforced plastic mold with replaceable mold surface |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108136639A (en) * | 2015-10-12 | 2018-06-08 | Ppg工业俄亥俄公司 | The method and apparatus for manufacturing the aircraft luffer boards of polymer |
| CN114603884A (en) * | 2022-02-25 | 2022-06-10 | 株洲时代新材料科技股份有限公司 | Method for ensuring smooth surface of lower die during manufacturing of carriage composite top plate |
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| US5256366A (en) * | 1991-01-08 | 1993-10-26 | Richard Wejrock | Method of molding fiberglass |
| JPH08174649A (en) * | 1994-12-21 | 1996-07-09 | Ikeda Bussan Co Ltd | Manufacture of vehicular glass fiver product |
| CN2261322Y (en) * | 1996-05-09 | 1997-09-03 | 张茂安 | Mould for fiber enhanced plastics |
| WO1998056562A1 (en) * | 1997-06-13 | 1998-12-17 | Pleasant, Ronald, E. | Molding apparatus |
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2012
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5256366A (en) * | 1991-01-08 | 1993-10-26 | Richard Wejrock | Method of molding fiberglass |
| JPH08174649A (en) * | 1994-12-21 | 1996-07-09 | Ikeda Bussan Co Ltd | Manufacture of vehicular glass fiver product |
| CN2261322Y (en) * | 1996-05-09 | 1997-09-03 | 张茂安 | Mould for fiber enhanced plastics |
| WO1998056562A1 (en) * | 1997-06-13 | 1998-12-17 | Pleasant, Ronald, E. | Molding apparatus |
Non-Patent Citations (2)
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| 克鲁肯巴赫，佩顿: "《航空航天复合材料结构件树脂传递模塑成形技术》", 31 December 2009, 航空工业出版社 * |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108136639A (en) * | 2015-10-12 | 2018-06-08 | Ppg工业俄亥俄公司 | The method and apparatus for manufacturing the aircraft luffer boards of polymer |
| US11110634B2 (en) | 2015-10-12 | 2021-09-07 | Ppg Industries Ohio, Inc. | Method and apparatus for making a polymeric aircraft window panel |
| CN114603884A (en) * | 2022-02-25 | 2022-06-10 | 株洲时代新材料科技股份有限公司 | Method for ensuring smooth surface of lower die during manufacturing of carriage composite top plate |
| CN114603884B (en) * | 2022-02-25 | 2023-08-25 | 株洲时代新材料科技股份有限公司 | Method for ensuring smooth die surface of lower die during manufacturing carriage composite roof |
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| CN102990866B (en) | 2015-04-15 |
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Application publication date: 20130327 Assignee: CHONGQING HAIQING NEW MATERIAL Co.,Ltd. Assignor: CHONGQING SEAWIND POWER TECHNOLOGY Co.,Ltd. Contract record no.: 2015500000006 Denomination of invention: Glass fiber reinforced plastic mold with replaceable mold surface Granted publication date: 20150415 License type: Exclusive License Record date: 20150507 |
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Effective date of registration: 20170112 Address after: 409100 Chongqing Tujia Autonomous County of golden Zhangcun road in the town of friendship group Patentee after: CHONGQING HAIQING NEW MATERIAL Co.,Ltd. Address before: 400700 Beibei section of Chongqing Feng Qi Zhen Caijiaying Road No. 6 Patentee before: CHONGQING SEAWIND POWER TECHNOLOGY Co.,Ltd. Effective date of registration: 20170112 Address after: 409100 Chongqing Tujia Autonomous County of golden Zhangcun road in the town of friendship group Patentee after: CHONGQING HAIQING NEW MATERIAL Co.,Ltd. Address before: Feng Qi Zhen Caijiaying road 400700 Chongqing city Beibei District No. 6 Patentee before: CHONGQING SEAWIND POWER TECHNOLOGY Co.,Ltd. |