CN214774130U - Thermoplastic carbon fiber prepreg tape laminated plate sample preparation device - Google Patents
Thermoplastic carbon fiber prepreg tape laminated plate sample preparation device Download PDFInfo
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- CN214774130U CN214774130U CN202121147749.0U CN202121147749U CN214774130U CN 214774130 U CN214774130 U CN 214774130U CN 202121147749 U CN202121147749 U CN 202121147749U CN 214774130 U CN214774130 U CN 214774130U
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Abstract
The utility model relates to a thermoplasticity carbon fiber preimpregnation area plywood system appearance device belongs to combined material contour machining field. The thermoplastic carbon fiber prepreg tape laminated plate sample preparation device comprises an installation base, a sample preparation mold, a hot-pressing block, a pressing assembly and a pressing sheet; the sample preparation mold is provided with a sample preparation groove which has the same width as the carbon fiber prepreg tape lamination layer to be processed and is used for positioning the carbon fiber prepreg tape lamination layer, and the pressing sheet is detachably connected with the sample preparation mold through a pressing bolt so as to press the carbon fiber prepreg tape lamination layer extending out of the sample preparation groove; the hot-pressing block is used for placing in the sample preparation groove to melt resin on the carbon fiber prepreg tape; the pressing assembly is fixed on the hot pressing block and used for performing hot pressing operation under the action of manpower and taking out the hot pressing block from the sample preparation groove under the action of manpower. The sample preparation device can ensure the consistency of the fiber direction and the tension of the thermoplastic carbon fiber prepreg tape laminated plate, and improves the operation safety.
Description
Technical Field
The utility model belongs to combined material contour machining field especially relates to a thermoplasticity carbon fiber preimpregnation area laminated board system appearance device.
Background
The carbon fiber prepreg tape is an essential intermediate for preparing the carbon fiber composite material, and can be divided into a thermoplastic prepreg tape and a thermosetting prepreg tape according to different resin matrixes. Compared with the traditional thermosetting carbon fiber prepreg tape, the thermoplastic carbon fiber prepreg tape has the advantages of short molding period, recyclability, environmental friendliness, high efficiency, high performance and the like, and is widely applied to the fields of aerospace, wind power blades, automobiles, sports equipment and the like.
When the thermoplastic carbon fiber prepreg tape is used for preparing a carbon fiber composite material product, resin is required to be heated to be molten, then prepreg tape laying at corresponding angles is carried out according to the stress direction of the product, and in the laying process of the fiber tape, the consistency of the fiber direction, the tension and the like can influence the service performance of a final product. In foreign countries, the automatic tape laying technology of the prepreg is quite mature, so that the tape laying quality and the tape laying efficiency can be improved, and the labor cost and the raw material cost can be greatly reduced. In China, due to the fact that the cost of automatic tape laying equipment is extremely high, tape laying is often carried out in a traditional manual or semi-manual mode, and prepreg laminates often have the defects of uneven laying gaps, poor laying precision, bubbles, folds and the like.
When the performance of the thermoplastic prepreg tape laminated plate is detected, a manual layering mode is generally adopted for sample preparation, a hot air gun is adopted as a heat source to heat the prepreg tape, and then the heated prepreg tapes are laminated together by a compression roller. The sample preparation method can not effectively ensure the consistency of the fiber tension and direction between different layers of the prepreg tape laminated plate, and a hot air gun is very easy to scald operators in the manufacturing process.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a thermoplasticity carbon fiber preimpregnation area laminated plate system appearance device to when solving among the prior art to thermoplasticity preimpregnation area laminated plate system appearance, be difficult to effectively guarantee the technical problem of the uniformity of fibre tension and spacing direction between the different layers of preimpregnation area laminated plate and system appearance security.
In order to achieve the above object, the utility model adopts the following technical scheme:
a thermoplastic carbon fiber prepreg tape laminate sample preparation device comprising:
the installation base defines the length direction of the installation base as the left-right direction and the thickness direction as the up-down direction;
the sample preparation mold is fixed on the mounting base, a sample preparation groove which penetrates through the sample preparation mold along the left-right direction is formed in the sample preparation mold, the width of the sample preparation groove is the same as that of the thermoplastic carbon fiber prepreg tape lamination to be processed so as to be used for positioning and placing the thermoplastic carbon fiber prepreg tape lamination, and the sample preparation mold is also provided with two pressing ports which penetrate through the sample preparation groove along the front-back direction, wherein the two pressing ports are respectively positioned at the left end and the right end of the sample preparation groove;
the hot-pressing block can conduct heat, the length of the hot-pressing block is the same as the length of the sample preparation groove, a heating element which extends along the left-right direction and penetrates through the hot-pressing block is arranged in the hot-pressing block, the heating element is connected with the temperature control component to adjust the temperature of the hot-pressing block, the hot-pressing block is used for being placed in the sample preparation groove to be used for downwards pressing the thermoplastic carbon fiber prepreg tape lamination in the tensioning state placed in the sample preparation groove, and resin on the thermoplastic carbon fiber prepreg tape lamination is melted;
the pressing assembly is fixed on the hot-pressing block and used for enabling the hot-pressing block to downwards press the thermoplastic carbon fiber prepreg tape lamination to be processed under the action of manpower and taking the hot-pressing block out of the sample preparation groove under the action of the manpower;
the preforming is equipped with two, and sets up respectively in the department that compresses tightly that corresponds, and the preforming passes through housing bolt and system appearance mould releasable connection, and the preforming is used for compressing tightly downwards and stretches out the outer thermoplasticity carbon fiber preimpregnation area stromatolite of system appearance groove.
The beneficial effects of the above technical scheme are: the thermoplastic carbon fiber prepreg tape laminated plate sample preparation device of the utility model places the thermoplastic carbon fiber prepreg tape lamination in a tensioning state in the sample preparation groove when in use, the pressing plate is used for pressing and positioning, the hot-pressing block is heated until the temperature of the hot-pressing block is gradually raised to the melting point of the resin, the pressing component can play a role in compressing the thermoplastic carbon fiber prepreg tape lamination when being pressed manually, so as to ensure that the pressure of the hot pressing block on each position of the thermoplastic carbon fiber prepreg tape lamination is consistent, because the temperature of different positions on the hot-pressing block is consistent, the resin on the thermoplastic carbon fiber prepreg tape lamination in the sample preparation groove can be fused together from different directions, and the hot-pressing block is matched with the length of the sample preparation groove, so that the consistency of the fiber direction and the tension on the molded thermoplastic carbon fiber prepreg tape laminated plate can be ensured in the melting process. In addition, at the in-process that carries out the melting to thermoplastic carbon fiber prepreg tape stromatolite, need not operating personnel and carry out manual operation, need not to adopt hot-blast rifle to heat promptly, and then avoid taking place the risk that the high temperature of hot-blast rifle led to the fact the scald to operating personnel, improved system appearance security and system appearance efficiency.
Further, the pressing assembly is provided with two sets of pressing assemblies and arranged at intervals along the left and right directions, and each set of pressing assembly comprises two handle supports fixed on the front side and the rear side of the hot pressing block respectively and a handle connected between the two handle supports.
Has the advantages that: when the manual force is applied to the pressing assembly, the uniformity of the laminated transfer force of the thermoplastic carbon fiber prepreg tape by the hot pressing block is ensured.
Furthermore, a heat insulation cushion block is arranged between the hot pressing block and the handle bracket.
Has the advantages that: the heat insulation cushion block can block heat from the hot pressing block to the handle support and further transmit the heat to the handle, and safety during manual operation at high temperature is guaranteed.
Furthermore, the cross-section of system appearance mould is "protruding" font, including the kicking block of bottom piece and protrusion bottom piece, the length of kicking block on the left right direction is less than the length of bottom piece on the left right direction, and the space between kicking block and the bottom piece forms compress tightly mouth, preforming and bottom piece releasable connection, system appearance groove sets up on the kicking block to the tank bottom in system appearance groove and the upper surface parallel and level of bottom piece.
Has the advantages that: the processing of the manufacturing die is convenient, the manufacturing material of the manufacturing die is saved, and the cost is saved.
Further, the heating member is a graphite heating rod, and the temperature control component is a PID temperature control component.
Has the advantages that: the graphite heating rod is lower in cost, and the PID temperature control assembly is adopted, so that the rapid and accurate temperature rise of the hot pressing block can be realized, and the hot press forming quality of the final thermoplastic carbon fiber prepreg tape laminated plate is higher.
Further, the sample preparation mold is made of mold steel, and the roughness of the inner surface of the sample preparation groove is not more than 0.4.
Has the advantages that: the mold has high hardness and strength, is not easy to deform in a higher temperature range, and the surface of the sample preparation groove has certain roughness, so that the mold is favorable for ensuring the film removing performance of the thermoplastic carbon fiber prepreg tape laminated plate.
Further, the hot-pressing block is made of die steel, and the roughness of the lower surface of the hot-pressing block is not more than 0.4.
Has the advantages that: the mold is high in hardness and strength, deformation is not prone to occurring in a high temperature range, the lower surface of the hot-pressing block has certain roughness, and the film removing performance of the thermoplastic carbon fiber prepreg tape laminated plate is guaranteed.
Furthermore, a heat insulation layer with the area larger than the bottom area of the sample preparation mold is integrally formed on the bottom surface of the sample preparation mold, and the sample preparation mold is fixed on the mounting base through the heat insulation layer.
Has the advantages that: the heat insulating layer can block the sample preparation mould from being further transferred to the mounting base by the heat transferred by the hot pressing block, thereby ensuring the safety of the related equipment structure.
Drawings
Fig. 1 is a schematic structural diagram of a thermoplastic carbon fiber prepreg tape laminate sample preparation device according to the present invention.
Reference numerals: 1-mounting a base, 2-a heat insulation layer, 3-a sample preparation mold, 4-a pressing sheet, 5-a graphite heating rod, 6-a hot pressing block, 7-a handle, 8-a handle bracket, 9-a heat insulation cushion block, 10-a fixing bolt, 11-a pressing bolt, 12-a fastening bolt, 13-a thermoplastic carbon fiber prepreg tape lamination and 14-a pressing opening.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The utility model discloses a thermoplastic carbon fiber preimpregnation takes plywood system appearance device's embodiment:
as shown in fig. 1, the apparatus for preparing a thermoplastic carbon fiber prepreg tape laminate sample comprises: the device comprises a mounting base 1, a sample preparation mold 3, a hot-pressing block 6, a pressing assembly and a pressing sheet 4.
The length direction of the mounting base 1 is defined as the left-right direction, and the thickness direction is defined as the up-down direction. The sample preparation mold 3 is made of mold steel and can be suitable for processing various resin matrixes such as PA, PPS, PEEK and the like. The bottom surface integrated into one piece of system appearance mould 3 has the insulating layer 2 that the area is greater than 3 bottom areas of system appearance mould, insulating layer 2 passes through fastening bolt 12 to be fixed on installation base 1, thereby fix system appearance mould 3 on installation base 1, in this embodiment, the cross-section of system appearance mould 3 is "protruding" font, including integrated into one piece's bottom block and the kicking block of protrusion bottom block, the length of kicking block on the left and right sides direction is less than the length of bottom block on the left and right sides direction, the space size between the both ends of kicking block and the bottom block is the same, and form a hold-down mouth 14 respectively. Be equipped with on the kicking block along the left and right directions and link up the system appearance groove of system appearance mould 3, the tank bottom in system appearance groove is parallel and level with the upper surface of bottom block, also the upper surface of bottom block acts as the tank bottom in system appearance groove promptly. Two are pressed tightly the mouth and are located the both ends about system appearance groove respectively to all run through system appearance groove along the fore-and-aft direction. The width of the sample preparation groove is the same as that of the thermoplastic carbon fiber prepreg tape laminate 13 to be processed for positioning and placing the thermoplastic carbon fiber prepreg tape laminate 13.
The two pressing sheets 4 are respectively arranged at the corresponding pressing openings. As shown in fig. 1, the pressing sheet 4 is detachably connected with the bottom block of the sample preparation mold 3 through a pressing bolt 11, so as to be used for pressing downwards the thermoplastic carbon fiber prepreg tape lamination 13 extending out of the sample preparation groove, and ensure that the tension of the thermoplastic carbon fiber prepreg tape lamination 13 in the sample preparation groove is consistent.
The hot pressing block 6 can conduct heat, is made of die steel, specifically uses hot working die steel, has higher hardness, strength and high-temperature compression resistance, can effectively ensure that the hot pressing block does not deform at the temperature of 400 ℃, and the length of the hot pressing block 6 is the same as the groove length of the sample preparation groove. The central part of hot pressing piece 6 is equipped with the heating member that extends and link up hot pressing piece 6 along left and right sides direction, and the heating member is connected with temperature control component in order to adjust the temperature of hot pressing piece 6. The heat and pressure block 6 is placed in the sample well for pressing down the thermoplastic carbon fiber prepreg tape laminate 13 placed in the sample well in a tensioned state when in use, and is capable of melting the resin on the thermoplastic carbon fiber prepreg tape laminate 13 when the temperature of the heat and pressure block 6 rises to the melting point of the resin. In order to ensure the hot-press forming quality of the thermoplastic carbon fiber prepreg tape laminated plate and the operation safety of personnel, a pressing assembly is fixed on the hot-pressing block 6, and the pressing assemblies are provided with two groups which are respectively positioned at the left end and the right end of the hot-pressing block 6. Each group of pressing components comprises two handle brackets 8 which are respectively fixed on the front side and the rear side of the hot pressing block 6 and a handle 7 connected between the two handle brackets 8. An operator holds the two handles 7 by hands and presses downwards, so that the hot-pressing block 6 presses downwards the thermoplastic carbon fiber prepreg tape lamination 13 to be processed, the handles 7 are lifted upwards, and the hot-pressing block 6 can be taken out of the sample preparation groove. In order to prevent the handle 7 from slipping when being held by hands, a rubber sleeve for increasing friction force is sleeved on the handle 7.
In this embodiment, the heating member in the hot pressing block 6 is graphite heating rod 5, and the one end of graphite heating rod 5 is connected with PID temperature control component, and PID temperature control technology is comparatively ripe technique, and no longer expresses in detail here. Adopt PID temperature control subassembly can be quick, accurate control graphite heating rod 5's heating temperature, and then realize that hot pressing piece 6 is quick, accurate intensifies. When the graphite heating rod 5 is used for heating, the whole hot-pressing block 6 can be uniformly heat-transferred, namely, the temperatures of different positions on the hot-pressing block 6 are the same.
In order to avoid the heat transfer of the hot pressing block 6 to the handle bracket 8 and the handle 7 when heating, the handle bracket 8 and the handle 7 are both made of materials with low heat conductivity, and a heat insulation cushion block is arranged between the handle bracket 8 and the hot pressing block 6. The handle bracket 8 and the heat insulation cushion block are fixedly connected with the hot pressing block 6 through a fixing bolt 10 which simultaneously penetrates through the handle bracket and the heat insulation cushion block. The heat insulation cushion block is made of ceramic and can prevent heat and insulate heat, and in other embodiments, bakelite can be adopted, so that heat is effectively prevented from being conducted to the handle, and the safety of operation of a person at high temperature is guaranteed.
In order to effectively ensure the demoulding performance of the thermoplastic carbon fiber prepreg tape laminated plate, in the embodiment, the roughness of the inner surface of the sample preparation groove is not more than 0.4, and the roughness of the lower surface of the hot-pressing block is not more than 0.4.
The utility model discloses a system appearance process of thermoplasticity carbon fiber preimpregnation area plywood system appearance device: place the stromatolite of thermoplasticity carbon fiber prepreg tape in system appearance inslot, it is fixed the sample with the preforming under the state of guaranteeing that the sample is in the tensioning, open the switch of graphite heating rod afterwards, heat the hot pressing piece, reach the fusing point of settlement temperature (prepreg tape resin organism) at the temperature after, operating personnel holds the handle and carries out the hot pressing to the sample, accomplish the pre-compaction work of thermoplasticity carbon fiber prepreg tape lamination, the pre-compaction piece of preparing can carry out final hot briquetting through the hot press afterwards. The whole sample preparation device can effectively improve the sample preparation efficiency of a thermoplastic prepreg tape tensile sample with the thickness not greater than 30mm, and realize the quick prepressing of the thermoplastic carbon fiber prepreg tape laminated plate; meanwhile, the operation safety of operators is improved, and the consistency of the fiber direction and the tension of the thermoplastic carbon fiber prepreg tape laminated plate is ensured.
In other embodiments, the pressing assembly may have other configurations, such as a T-bar attached to the upper surface of the heat press block, and the heat press may be performed by pressing the T-bar downward.
In other embodiments, the sample preparation mold may also have other structures, such as a complete block, in which two compression ports are formed by two through grooves penetrating through the block in the left-right direction, and the vertical section is in a horizontal "E" shape.
In other embodiments, the heating element may also be an electric heating tube, and the electric heating tube is connected with a common temperature controller.
In other embodiments, when the handle support and the handle are made of materials with low thermal conductivity or heat insulation, and the heat on the hot-pressing block is transmitted to the handle support little or not, the heat-insulation cushion block is not needed.
In other embodiments, the hot press blocks and/or the sample molds may also be made of one of pearlitic, martensitic, austenitic, or ferritic steel.
The above-described embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (8)
1. Thermoplastic carbon fiber preimpregnation area plywood system appearance device which characterized in that includes:
the installation base defines the length direction of the installation base as the left-right direction and the thickness direction as the up-down direction;
the sample preparation mold is fixed on the mounting base, a sample preparation groove which penetrates through the sample preparation mold along the left-right direction is formed in the sample preparation mold, the width of the sample preparation groove is the same as that of the thermoplastic carbon fiber prepreg tape lamination to be processed so as to be used for positioning and placing the thermoplastic carbon fiber prepreg tape lamination, and the sample preparation mold is also provided with two pressing ports which penetrate through the sample preparation groove along the front-back direction, wherein the two pressing ports are respectively positioned at the left end and the right end of the sample preparation groove;
the hot-pressing block can conduct heat, the length of the hot-pressing block is the same as the length of the sample preparation groove, a heating element which extends along the left-right direction and penetrates through the hot-pressing block is arranged in the hot-pressing block, the heating element is connected with the temperature control component to adjust the temperature of the hot-pressing block, the hot-pressing block is used for being placed in the sample preparation groove to be used for downwards pressing the thermoplastic carbon fiber prepreg tape lamination in the tensioning state placed in the sample preparation groove, and resin on the thermoplastic carbon fiber prepreg tape lamination is melted;
the pressing assembly is fixed on the hot-pressing block and used for enabling the hot-pressing block to downwards press the thermoplastic carbon fiber prepreg tape lamination to be processed under the action of manpower and taking the hot-pressing block out of the sample preparation groove under the action of the manpower;
the preforming is equipped with two, and sets up respectively in the department that compresses tightly that corresponds, and the preforming passes through housing bolt and system appearance mould releasable connection, and the preforming is used for compressing tightly downwards and stretches out the outer thermoplasticity carbon fiber preimpregnation area stromatolite of system appearance groove.
2. The device for preparing the thermoplastic carbon fiber prepreg tape laminate sample according to claim 1, wherein the pressing assemblies are arranged in two groups and are arranged at intervals in the left-right direction, and each group of the pressing assemblies comprises two handle supports fixed on the front side and the rear side of the hot-pressing block respectively and a handle connected between the two handle supports.
3. The device for preparing the thermoplastic carbon fiber prepreg tape laminated plate sample according to claim 2, wherein a heat insulation cushion block is further arranged between the heat pressing block and the handle bracket.
4. The device for preparing a thermoplastic carbon fiber prepreg tape laminate according to any one of claims 1 to 3, wherein the sample preparation mold has a cross section in a shape of a letter "convex", and comprises a bottom block and a top block protruding from the bottom block, the length of the top block in the left-right direction is smaller than that of the bottom block in the left-right direction, the space between the top block and the bottom block forms the hold-down opening, the pressing piece is detachably connected with the bottom block, the sample preparation groove is arranged on the top block, and the bottom of the sample preparation groove is flush with the upper surface of the bottom block.
5. The apparatus as claimed in any one of claims 1 to 3, wherein the heating element is a graphite heating rod and the temperature control module is a PID temperature control module.
6. The device for preparing the thermoplastic carbon fiber prepreg tape laminate according to any one of claims 1 to 3, wherein the sample preparation mold is made of mold steel, and the roughness of the inner surface of the sample preparation groove is not more than 0.4.
7. The apparatus according to any one of claims 1 to 3, wherein the heat press block is made of die steel and has a lower surface roughness of no more than 0.4.
8. The device for preparing the thermoplastic carbon fiber prepreg tape laminate plate sample according to any one of claims 1 to 3, wherein a heat insulating layer having an area larger than that of the bottom surface of the sample preparation mold is integrally formed on the bottom surface of the sample preparation mold, and the sample preparation mold is fixed to the mounting base through the heat insulating layer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121147749.0U CN214774130U (en) | 2021-05-26 | 2021-05-26 | Thermoplastic carbon fiber prepreg tape laminated plate sample preparation device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121147749.0U CN214774130U (en) | 2021-05-26 | 2021-05-26 | Thermoplastic carbon fiber prepreg tape laminated plate sample preparation device |
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| CN214774130U true CN214774130U (en) | 2021-11-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114801257A (en) * | 2021-05-26 | 2022-07-29 | 大连理工大学重大装备设计与制造郑州研究院 | Thermoplastic carbon fiber prepreg tape laminated board system appearance device |
-
2021
- 2021-05-26 CN CN202121147749.0U patent/CN214774130U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114801257A (en) * | 2021-05-26 | 2022-07-29 | 大连理工大学重大装备设计与制造郑州研究院 | Thermoplastic carbon fiber prepreg tape laminated board system appearance device |
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Effective date of registration: 20220520 Address after: No.102, building 2, Xinghua building, 58 Second Street, Zhengzhou Economic and Technological Development Zone, Henan Province Patentee after: Dalian University of Technology's Grand Equipments design and manufacture Zhengzhou Research Institute Patentee after: DALIAN University OF TECHNOLOGY Address before: No.102, building 2, Xinghua building, 58 Second Street, Zhengzhou Economic and Technological Development Zone, Henan Province Patentee before: Dalian University of Technology's Grand Equipments design and manufacture Zhengzhou Research Institute Patentee before: Zhengzhou great Gong high and new technologies Co.,Ltd. |
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Effective date of registration: 20230111 Address after: 102, Building B, Luoyang Research Institute, Dalian University of Technology, No. 265, Kaiyuan Avenue, Luolong District, Luoyang City, Henan Province, 471000 Patentee after: Dagong Carbon Ding Technology Luoyang Co.,Ltd. Address before: No.102, building 2, Xinghua building, 58 Second Street, Zhengzhou Economic and Technological Development Zone, Henan Province Patentee before: Dalian University of Technology's Grand Equipments design and manufacture Zhengzhou Research Institute Patentee before: DALIAN University OF TECHNOLOGY |