CN111361172B - Hand-pasted glass fiber reinforced plastic punching device and manufacturing method thereof - Google Patents
Hand-pasted glass fiber reinforced plastic punching device and manufacturing method thereof Download PDFInfo
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- CN111361172B CN111361172B CN202010166448.6A CN202010166448A CN111361172B CN 111361172 B CN111361172 B CN 111361172B CN 202010166448 A CN202010166448 A CN 202010166448A CN 111361172 B CN111361172 B CN 111361172B
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- glass fiber
- fiber reinforced
- reinforced plastic
- positioning pin
- female die
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- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping 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
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- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
- B29C70/545—Perforating, cutting or machining during or after moulding
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- Moulding By Coating Moulds (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a hand-pasted glass fiber reinforced plastic perforating device and a manufacturing method thereof, and relates to the technical field of hand-pasted glass fiber reinforced plastic manufacturing, wherein the device comprises a glass fiber reinforced plastic female die embedded with a female die positioning pin sleeve, and a central hole of the female die positioning pin sleeve is a positioning die hole; the manufacturing method comprises the following steps: processing a positioning hole on the hand-pasted glass fiber reinforced plastic male die, and inserting a male die positioning pin sleeve into the positioning hole of the glass fiber reinforced plastic male die to enable the limiting end of the male die positioning pin sleeve to be flush with the pasted base surface; positioning the female mold positioning pin sleeve on the male mold positioning pin sleeve by connecting the female mold positioning pin sleeve of the positioning pin with the male mold positioning pin sleeve; pasting a glass fiber reinforced plastic female die from the pasted base surface of the glass fiber reinforced plastic male die, and pasting a female die positioning pin sleeve in the glass fiber reinforced plastic female die; and after molding, pulling out the connecting positioning pin, and taking down the glass fiber reinforced plastic female die together with the female die positioning pin sleeve to obtain the glass fiber reinforced plastic female die. The invention solves the problems of low size precision and high drilling tool cost of the existing hand-pasted glass fiber reinforced plastic drilling.
Description
Technical Field
The invention relates to the technical field of hand-pasted glass fiber reinforced plastic manufacturing, in particular to a hand-pasted glass fiber reinforced plastic punching device and a manufacturing method thereof.
Background
The manufacturing process of the glass fiber reinforced plastic comprises hand lay-up, winding, pultrusion, mould pressing and the like, wherein the glass fiber reinforced plastic manufactured by the hand lay-up process is still widely applied to various fields due to the advantages that the cost is low, and the manufactured Fiber Reinforced Plastic (FRP) product is not limited by the size and the shape. The small-batch production of manually pasted glass fiber reinforced plastics is usually to manually paste a glass fiber reinforced plastic product, and then to copy the same glass fiber reinforced plastic product on a mold by using the glass fiber reinforced plastic product as the mold. When the hole sites of the hand-pasted glass fiber reinforced plastic product need to be opened, hole site marks are generally made on a mold, and after the hand-pasted glass fiber reinforced plastic product is formed, the hand-pasted glass fiber reinforced plastic product is taken out of the mold and is drilled manually. Traditional marking off drilling is influenced too greatly by the manual work, and the size deviation through the hole site is about 5mm, and the uniformity is poor, does not satisfy the assembly demand of current hand lay-up glass steel product. In order to solve the problem of scribing and drilling, the existing hand-pasted glass fiber reinforced plastic product is drilled through a drilling profiling, however, the drilling mode has the following defects: 1. the hand-pasted glass fiber reinforced plastic product needs to be positioned for the first time when being copied, and needs to be positioned for the first time when being placed in a drilling explorator for drilling, and the secondary positioning increases a size control chain ring, so that the size precision of the product is reduced; 2. the drilling explorator increases the investment cost of the drilling tool.
Disclosure of Invention
The invention aims to provide a hand-pasted glass fiber reinforced plastic punching device and a manufacturing method thereof, and the device and the manufacturing method thereof can solve the problems of low size precision and high drilling tool cost of the conventional hand-pasted glass fiber reinforced plastic drilling.
In order to solve the problems, the invention adopts the technical scheme that: the hand-pasted glass fiber reinforced plastic perforating device comprises a glass fiber reinforced plastic female die, wherein a female die positioning pin sleeve is embedded on the glass fiber reinforced plastic female die, and a central hole of the female die positioning pin sleeve is a positioning die hole which is matched with the hole position and the size of a hole to be processed of a glass fiber reinforced plastic product.
In the technical scheme of the above hand-pasted glass fiber reinforced plastic perforating device, a more specific technical scheme may also be that: one end of the female die positioning pin sleeve is flush with the molding surface of the glass fiber reinforced plastic female die, and the other end of the female die positioning pin sleeve extends out of the glass fiber reinforced plastic female die.
Furthermore, the protruding end of the female die positioning pin sleeve exceeds the glass fiber reinforced plastic female die by at least 2 mm.
Further, one end of the female die positioning pin sleeve, which is flush with the molding surface of the glass fiber reinforced plastic female die, is provided with a flange protruding outwards in the radial direction.
Further, the distance from the outer periphery of the flange to the inner hole wall of the positioning die hole is more than 5 mm.
Furthermore, the peripheral surface of the female die positioning pin sleeve is provided with a limiting plane.
The manufacturing method of the hand-pasted glass fiber reinforced plastic punching device comprises the following steps:
A. manually pasting a glass fiber reinforced plastic male die, and machining a positioning hole on the formed glass fiber reinforced plastic male die through CNC;
B. inserting the male die positioning pin bush into the positioning hole of the glass fiber reinforced plastic male die to enable the limiting end of the male die positioning pin bush to be flush with the pasted base surface;
C. abutting the female mold positioning pin sleeve with the male mold positioning pin sleeve, inserting the extending end of the female mold positioning pin sleeve into the male mold positioning pin sleeve by using a connecting positioning pin, and positioning the female mold positioning pin sleeve on the male mold positioning pin sleeve;
D. pasting a glass fiber reinforced plastic female die from the pasted base surface of the glass fiber reinforced plastic male die to the extending end of the female die positioning pin sleeve, and pasting the female die positioning pin sleeve in the glass fiber reinforced plastic female die;
E. and after the glass fiber reinforced plastic female die is molded, pulling out the connecting positioning pin, and taking down the glass fiber reinforced plastic female die and the female die positioning pin sleeve from the glass fiber reinforced plastic male die to obtain the glass fiber reinforced plastic male die.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following beneficial effects:
1. the glass fiber reinforced plastic female die with the female die positioning pin sleeve is arranged, a glass fiber reinforced plastic product can be turned on the glass fiber reinforced plastic female die, the glass fiber reinforced plastic product can be accurately positioned and drilled by drilling and guiding the positioning die hole of the female die positioning pin sleeve after the product is formed, and the forming and drilling only need one-time positioning, so that the hole site precision of the product is improved, and the consistency of the hole sites of the product can be ensured; the drilling tool and the hand pasting die are integrated, so that the drilling tool does not need to be developed by additional investment, the development cost of the drilling tool is saved, and the development investment cost of the tool is reduced.
2. One end of the female die positioning pin sleeve is flush with the forming surface of the glass fiber reinforced plastic female die, so that the glass fiber reinforced plastic product can be prevented from being copied, and the other end of the female die positioning pin sleeve extends out of the glass fiber reinforced plastic female die, so that the female die can not be damaged by drilling equipment during drilling.
3. The female die positioning pin sleeve is provided with a radial outward flange, so that the limiting effect of the pin sleeve is achieved, the sealing effect with the male die positioning pin sleeve is achieved, the distance from the periphery of the flange to the inner wall of the film hole is larger than 5mm, and the good sealing performance between the female die positioning pin sleeve and the male die positioning pin sleeve can be improved.
4. The outer peripheral surface of the female die positioning pin sleeve is provided with the limiting plane, so that the bonding force between the female die positioning pin sleeve and the female die can be increased, and the service life of the die is prolonged.
5. The manufacturing method of the device is that the female die with the accurate positioning die hole is pasted by pasting the male die and finely machining the positioning hole and combining the positioning pin sleeve and the connecting positioning pin, so that the female die can be quickly copied on the basis of the male die to meet the requirement that the glass fiber reinforced plastic die needs to be replaced due to the fact that the glass fiber reinforced plastic die is soft in material.
Drawings
FIG. 1 is a schematic structural diagram of a hand lay-up glass fiber reinforced plastic perforating device.
FIG. 2 is a schematic structural view of a master mold dowel sleeve.
FIG. 3 is a schematic diagram of the manufacturing steps of the hand lay-up FRP perforating device.
Reference numerals in the drawings indicate: 1. a glass fiber reinforced plastic female die; 1-1, molding surface; 2. a female die positioning pin sleeve; 2-1, positioning a die hole; 2-2, flanges; 2-3, a limit plane; 3. a glass fiber reinforced plastic male die; 3-1, positioning holes; 3-2 pasting a base surface; 4. a male die locating pin bush; 5. and connecting the positioning pin.
Detailed Description
The invention will be further described in detail with reference to the following examples:
the hand-pasted glass fiber reinforced plastic perforating device shown in figure 1 mainly comprises a glass fiber reinforced plastic female die 1 and a female die positioning pin sleeve 2 embedded in the glass fiber reinforced plastic female die 1, wherein a central hole of the female die positioning pin sleeve 2 is a positioning die hole 2-1 which is matched with the hole position and size of a hole to be processed of a glass fiber reinforced plastic product. As shown in fig. 2, one end of the female die positioning pin sleeve 2 is provided with a flange 2-2 protruding outwards in the radial direction, the flange 2-2 and the outer wall of the pin sleeve main sleeve form a shoulder to realize axial limiting, and the limiting end is flush with the molding surface 1-1 of the glass fiber reinforced plastic female die 1 to avoid influencing the pasting of the glass fiber reinforced plastic product; in order to increase the bonding force between the master die positioning pin sleeve 2 and the glass fiber reinforced plastic master die 1 and prolong the service life of the die, when the master die positioning pin sleeve 2 is manufactured, one surface of the outer peripheral surface of the master die positioning pin sleeve is flattened to form a limiting plane 2-3, so that the master die positioning pin sleeve 2 can be prevented from rotating relative to the glass fiber reinforced plastic master die 1; meanwhile, in order to improve the sealing performance, the distance from the periphery of the flange 2-2 of the female die positioning pin sleeve 2 to the inner hole wall of the positioning die hole 2-1 is more than 5 mm. The other end of the female die positioning pin sleeve 2 extends out of the glass fiber reinforced plastic female die 1, and the extending end of the female die positioning pin sleeve 2 extends out of the glass fiber reinforced plastic female die 1 by at least 2mm, so that the glass fiber reinforced plastic female die 1 can be effectively prevented from being damaged in drilling.
As shown in fig. 3, the manufacturing method of the hand-pasted glass fiber reinforced plastic perforating device comprises the following steps:
A. manually pasting the glass fiber reinforced plastic male die 3, and machining a positioning hole of the male die positioning pin sleeve 4 on the formed glass fiber reinforced plastic male die 3 through CNC according to the size and position data of the hole to be machined of the glass fiber reinforced plastic product and the male die positioning pin sleeve 4;
B. inserting the male die positioning pin sleeve 4 into the positioning hole 3-1 of the glass fiber reinforced plastic male die 3, so that the limiting end of the male die positioning pin sleeve 4 is flush with the pasted base surface 3-2;
C. the limiting end of the female die positioning pin sleeve 2 is abutted against the limiting end of the male die positioning pin sleeve 4, a connecting positioning pin 5 is inserted into the male die positioning pin sleeve 4 from the extending end of the female die positioning pin sleeve 2, and the female die positioning pin sleeve 2 is positioned on the male die positioning pin sleeve 4;
D. pasting a glass fiber reinforced plastic female die 1 from the pasted base surface 3-2 of the glass fiber reinforced plastic male die 3 to the extending end of the female die positioning pin sleeve 2, wherein the female die positioning pin sleeve 2 is pasted in the glass fiber reinforced plastic female die 1;
E. and after the glass fiber reinforced plastic female die 1 is molded, pulling out the connecting positioning pin 5, and taking the glass fiber reinforced plastic female die 1 together with the female die positioning pin sleeve 2 from the glass fiber reinforced plastic male die 3 to obtain the hand-pasted glass fiber reinforced plastic perforating device.
The manufacturing method can improve the hole site precision of the female die and can ensure the size consistency of the female die copied by the male die. The female die positioning pin bush 2, the male die positioning pin bush 4 and the connecting positioning pin 5 of the present embodiment are all made of Cr 12.
When the hand-pasted glass fiber reinforced plastic perforating device is used, the sticker is firstly pasted on the molding surface 1-1 of the glass fiber reinforced plastic female die 1 to seal the hole position of the female die positioning pin sleeve 2, and then the hand-pasted glass fiber reinforced plastic product is pasted according to the normal process; after pasting the product, inserting a drill into the hole position of the female die positioning pin sleeve 2 from one end back to the forming surface of the glass fiber reinforced plastic female die 1 before stripping, and drilling the pasted product; and pulling out the drill bit, and then pulling out the product from the die.
Claims (4)
1. The utility model provides a hand is pasted glass steel perforating device which characterized in that: the glass fiber reinforced plastic positioning device comprises a glass fiber reinforced plastic female die, wherein a female die positioning pin sleeve is embedded on the glass fiber reinforced plastic female die, and a central hole of the female die positioning pin sleeve is a positioning die hole which is adaptive to the hole position and the size of a hole to be processed of a glass fiber reinforced plastic product; one end of the female die positioning pin sleeve is flush with the molding surface of the glass fiber reinforced plastic female die, and the other end of the female die positioning pin sleeve extends out of the glass fiber reinforced plastic female die; one end of the female die positioning pin sleeve, which is flush with the molding surface of the glass fiber reinforced plastic female die, is provided with a flange protruding outwards in the radial direction, and the peripheral surface of the female die positioning pin sleeve is provided with a limiting plane.
2. The perforating device for hand-pasted glass fiber reinforced plastics according to claim 1, characterized in that: and the extending end of the female die positioning pin sleeve exceeds the glass fiber reinforced plastic female die by at least 2 mm.
3. The perforating device for hand-pasted glass fiber reinforced plastics as claimed in claim 2, wherein: the distance from the outer periphery of the flange to the inner hole wall of the positioning die hole is more than 5 mm.
4. The manufacturing method of the hand lay-up glass fiber reinforced plastic perforating device of claim 3 is characterized by comprising the following steps of:
A. manually pasting a glass fiber reinforced plastic male die, and machining a positioning hole on the formed glass fiber reinforced plastic male die through CNC;
B. inserting the male die positioning pin bush into the positioning hole of the glass fiber reinforced plastic male die to enable the limiting end of the male die positioning pin bush to be flush with the pasted base surface;
C. abutting the female mold positioning pin sleeve with the male mold positioning pin sleeve, inserting the extending end of the female mold positioning pin sleeve into the male mold positioning pin sleeve by using a connecting positioning pin, and positioning the female mold positioning pin sleeve on the male mold positioning pin sleeve;
D. pasting a glass fiber reinforced plastic female die from the pasted base surface of the glass fiber reinforced plastic male die to the extending end of the female die positioning pin sleeve, and pasting the female die positioning pin sleeve in the glass fiber reinforced plastic female die;
E. and after the glass fiber reinforced plastic female die is molded, pulling out the connecting positioning pin, and taking down the glass fiber reinforced plastic female die and the female die positioning pin sleeve from the glass fiber reinforced plastic male die to obtain the glass fiber reinforced plastic male die.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010166448.6A CN111361172B (en) | 2020-03-11 | 2020-03-11 | Hand-pasted glass fiber reinforced plastic punching device and manufacturing method thereof |
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| CN202010166448.6A CN111361172B (en) | 2020-03-11 | 2020-03-11 | Hand-pasted glass fiber reinforced plastic punching device and manufacturing method thereof |
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| CN111361172B true CN111361172B (en) | 2021-11-19 |
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| CN114274502A (en) * | 2021-12-28 | 2022-04-05 | 重庆交通大学绿色航空技术研究院 | Method for rapidly preparing female die and copying glass fiber reinforced plastic die by using 3D printing technology |
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| JPH0733032B2 (en) * | 1987-02-03 | 1995-04-12 | 日産自動車株式会社 | Injection mold |
| EP1508429A1 (en) * | 2003-08-21 | 2005-02-23 | Alcan Technology & Management Ltd. | Joining member made of composite material for joining two structural plastic parts |
| IT1401106B1 (en) * | 2010-07-02 | 2013-07-12 | Automobili Lamborghini Spa | PROCESS, MOLDS, DEVICES AND KITS FOR MANUFACTURING PRODUCTS IN COMPOSITE MATERIALS, AS WELL AS PRODUCTS MANUFACTURED WITH THIS PROCESS AND / OR WITH THESE MEANS |
| CN103240888A (en) * | 2013-04-27 | 2013-08-14 | 哈尔滨飞机工业集团有限责任公司 | Glass steel die positioning hole processing method |
| CN103612402B (en) * | 2013-10-29 | 2016-06-08 | 山东双一科技股份有限公司 | There is the built-in fitting localization method of threaded hole |
| US10589837B2 (en) * | 2016-02-08 | 2020-03-17 | Bell Helicopter Textron Inc. | Spar for a composite wing structure |
| CN205767503U (en) * | 2016-05-26 | 2016-12-07 | 长春路通轨道车辆配套装备有限公司 | Fiberglass hyperboloid product reinforcement positioning molding mould structure |
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