CN216610140U - Fiber reinforced composite material processing mold and processing system - Google Patents
Fiber reinforced composite material processing mold and processing system Download PDFInfo
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- CN216610140U CN216610140U CN202122490686.5U CN202122490686U CN216610140U CN 216610140 U CN216610140 U CN 216610140U CN 202122490686 U CN202122490686 U CN 202122490686U CN 216610140 U CN216610140 U CN 216610140U
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Abstract
The utility model provides a fiber reinforced composite material processing mold and a processing system, wherein the fiber reinforced composite material processing mold comprises a first mold and a second mold which are oppositely arranged, and further comprises a vacuum pump, the first mold comprises a mold core, a vacuum adsorption part is arranged on the mold core, and the vacuum adsorption part is connected with the vacuum pump. According to the utility model, the vacuum adsorption part is arranged on the first mold and is connected with the vacuum pump, when the vacuum pump works, negative pressure is generated in the vacuum adsorption part, the substrate material can be adsorbed on the mold core through the vacuum adsorption effect, the substrate material is prevented from being positioned and fixed by using a positioning needle, a pressure rod or a pressing block mode, the substrate material cannot be damaged, and meanwhile, the fiber reinforced composite material processing mold provided by the utility model is simple in structure and accurate in positioning.
Description
Technical Field
The utility model relates to the technical field of processing dies, in particular to a processing die and a processing system for a fiber reinforced composite material.
Background
Fiber-reinforced composites are typically molded articles obtained by co-injection molding or die-pressing a matrix material with relatively fluid, short fiber-reinforced particles. Generally, after the substrate material is transferred to the mold, the position of the substrate material is usually fixed by a positioning pin, a pressing rod or a pressing block. However, holes can be formed in the base material by adopting the positioning pins, so that the base material is easily damaged, and the die is complicated in structural design, high in cost and difficult to maintain due to the fact that the die needs to consider the exit of the pressing rod or the pressing block when the die is closed by adopting a fixing mode of the pressing rod or the pressing block, and on the other hand, the positioning pins are few, so that accurate positioning is difficult to achieve.
SUMMERY OF THE UTILITY MODEL
The utility model solves the problem of no damage to materials, and the die has simple structure and accurate positioning.
In order to solve at least one of the above problems, the present invention provides a fiber reinforced composite material processing mold, which includes a first mold, a second mold, and a vacuum pump, wherein the first mold includes a core, a vacuum adsorption part is disposed on the core, and the vacuum adsorption part is connected to the vacuum pump.
Preferably, the plurality of vacuum suction parts are uniformly distributed on the core.
Preferably, a plurality of adsorption holes are formed in the vacuum adsorption part, the adsorption holes are through holes penetrating through the vacuum adsorption part, and the adsorption holes are connected with a vacuum pump.
Preferably, the fiber reinforced composite material processing mold further comprises a connecting pipe, and the vacuum adsorption part is connected with the vacuum pump through the connecting pipe.
Preferably, the fiber reinforced composite material processing mold further comprises a sealing ring, and the sealing ring is arranged at the joint of the vacuum adsorption part and the mold core.
Preferably, the fiber reinforced composite material processing mold further comprises a sliding structure provided at an end of the core, and the sliding structure is adapted to move in a width direction of the core.
Preferably, the sliding structure includes a first slider and a second slider, the first slider and the second slider are perpendicular to each other, the second slider is disposed at the end of the core, the first slider is movably connected with the second slider, the first slider is suitable for reciprocating in the up-down direction, and the first slider is suitable for driving the second slider to move in the thickness direction of the first mold.
Preferably, the surface of the first sliding block and the surface of the second sliding block, which are contacted with each other, are wedge-shaped surfaces.
Preferably, the fiber reinforced composite material processing mold further comprises an oil cylinder, wherein the oil cylinder is connected with the sliding structure, and the oil cylinder is suitable for driving the sliding structure to move.
According to the utility model, the vacuum adsorption part is arranged on the first mold and is connected with the vacuum pump, when the vacuum pump works, negative pressure is generated in the vacuum adsorption part, the substrate material can be adsorbed on the mold core through the vacuum adsorption effect, the substrate material is prevented from being positioned and fixed by using a positioning needle, a pressure rod or a pressing block mode, the substrate material cannot be damaged, and meanwhile, the fiber reinforced composite material processing mold provided by the utility model is simple in structure and accurate in positioning.
Another object of the present invention is to provide a fiber reinforced composite material processing system, which includes a robot arm for clamping a substrate material and the fiber reinforced composite material processing mold.
According to the utility model, the mechanical arm is matched with the fiber reinforced composite material processing mold to form the fiber reinforced composite material processing system, the base material is transferred to the surface of the fiber reinforced composite material processing mold through the mechanical arm, the processing mold can give way for the mechanical arm, and the base material is fixed on the surface of the processing mold in a vacuum adsorption mode, so that the processing efficiency is improved, and the base material cannot be damaged.
Drawings
FIG. 1 is a schematic view of a first mold and a second mold in accordance with an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a first mold according to an embodiment of the present invention;
FIG. 3 is an enlarged view of area A of FIG. 2;
FIG. 4 is a cross-sectional view of a first mold in an embodiment of the utility model;
FIG. 5 is an enlarged view of area B of FIG. 4;
FIG. 6 is a front view of a first mold in an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a slider according to an embodiment of the present invention;
FIG. 8 is a schematic diagram of a robot arm configured to grip a substrate in accordance with an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a second mold in the embodiment of the present invention.
Description of reference numerals:
1-a first mold; 11-a mould base; 111-fixation holes; 112-connecting tube; 12-a core; 121-vacuum adsorption section; 1211-adsorption wells; 122-a sliding structure; 1221-a first slider; 1222-a second slider; 123-sealing ring; 13-oil cylinder; 2-a second mold; 21-a fixed pin; 3, a mechanical arm; 4-base material.
Detailed Description
The fiber-reinforced composite material is generally a molded article obtained by injection molding or die-molding a matrix material together with other short fiber-reinforced particles having good flowability. The preparation process of the fiber reinforced composite material generally comprises the steps of transferring a base material to a mold for positioning after heating pretreatment, carrying out mold closing, then injecting short fiber reinforced particles subjected to heating, plasticizing and mixing pretreatment, and filling the residual cavity part in the mold closing to obtain a fiber reinforced composite material molded product.
In the preparation process of the fiber reinforced composite material, a processing mold is needed to position and fix the matrix material, and in the processing mold in the prior art, the position of the matrix material is fixed by adopting a method of a positioning needle, a pressing rod or a pressing block. However, the mode of using the positioning pin easily causes damage to the base material, and the fixing mode of using the pressing rod or the pressing block causes complex structural design of the die, high cost, difficult maintenance, fewer positioning points and difficult realization of accurate positioning.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the coordinate system XYZ provided herein, the forward direction of the X axis represents the left direction, the reverse direction of the X axis represents the right direction, the forward direction of the Y axis represents the front direction, the reverse direction of the Y axis represents the rear direction, the forward direction of the Z axis represents the upper direction, and the reverse direction of the Z axis represents the lower direction. Also, it is noted that the terms "first," "second," and the like in the description and claims of the present invention and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the utility model described herein are capable of operation in sequences other than those illustrated or described herein.
As shown in fig. 1 to 3, an embodiment of the present invention provides a fiber reinforced composite material processing mold, which includes a first mold 1 and a second mold 2 that are oppositely disposed, a core 12 is disposed on the first mold 1, a cavity adapted to accommodate the core 12 is disposed on the second mold 2, both of which are adapted to form a mold closing mold, the fiber reinforced composite material processing mold further includes a vacuum pump, a plurality of vacuum suction portions 121 are disposed on the core 12, the vacuum suction portions 121 are connected to the vacuum pump, and the vacuum suction portions 121 are adapted to fix a base material 4 on the core 12 in a vacuum suction manner.
Specifically, as shown in fig. 2, the first mold 1 is provided with a vacuum suction part 121, the vacuum suction part 121 may be a through hole penetrating the core 12, the vacuum suction part 121 is connected to a vacuum pump, negative pressure is generated in the vacuum suction part 121 when the vacuum pump is operated, and when the substrate 4 for manufacturing the fiber reinforced composite material is close to the core 12, the substrate 4 can be sucked on the first mold 1 by the vacuum suction part 121 to fix the substrate 4.
By arranging the vacuum adsorption part 121 on the first mold 1 and connecting the vacuum adsorption part 121 with the vacuum pump, when the vacuum pump works, negative pressure is generated in the vacuum adsorption part, the base material 4 can be adsorbed on the mold core 12 through the vacuum adsorption effect, the base material 4 is prevented from being positioned and fixed by using a positioning needle, a pressure rod or a pressing block mode, the base material 4 cannot be damaged, and meanwhile, the fiber reinforced composite material processing mold provided by the utility model is simple in structure and accurate in positioning.
The fiber reinforced composite material processing mold comprises a plurality of vacuum adsorption parts 121, and the vacuum adsorption parts 121 are uniformly distributed on the mold core 12, so that the adsorption capacity and the fixing capacity are improved.
In one embodiment, the vacuum absorption part 121 includes a first absorption body, the first absorption body is provided with an absorption hole 1211, and the first absorption body is a solid cylinder. Specifically, as shown in fig. 3, the vacuum suction unit 121 is provided with a plurality of suction holes 1211, and the suction holes 1211 are connected to a vacuum pump. Each of the vacuum adsorption parts 121 is provided with a plurality of adsorption holes 1211, and the base material 4 is adsorbed on the first mold 1 through the adsorption holes 1211. Illustratively, the vacuum-adsorbing portions 121 are solid cylinders disposed through the core 12, each of the vacuum-adsorbing portions 121 is provided with four adsorbing holes 1211, the adsorbing holes 1211 are through holes axially penetrating the vacuum-adsorbing portion 121, the four adsorbing holes 1211 are distributed on an end surface of the vacuum-adsorbing portion 121, and by providing a plurality of adsorbing holes 1211 on each of the vacuum-adsorbing portions 121, an adsorbing area can be increased, thereby enhancing an adsorbing capability of the vacuum-adsorbing portion 121.
In another embodiment, the vacuum absorption portion 121 includes a second absorption body and an absorption needle tube disposed inside the second absorption body, the second absorption body is a hollow cylinder, the absorption needle tubes are connected to a vacuum pump, and the vacuum pump is turned on to generate negative pressure inside the absorption needle tubes, so as to absorb the substrate 4 on the surface of the mold core 12, thereby achieving the purpose of positioning and fixing.
As shown in fig. 4, the fiber reinforced composite material processing mold further includes a connection pipe 112, and the vacuum suction part 121 is connected to a vacuum pump through the connection pipe 112. Specifically, the connection pipe 112 is disposed in the mold base 11, the bottom of the vacuum absorption portion 121 is communicated with one end of the connection pipe 112, and the other end of the connection pipe 112 is communicated with the vacuum pump, so that when the vacuum pump operates, a negative pressure is generated in the vacuum absorption portion 121, and the vacuum absorption portion 121 can absorb and fix the base material 4.
As shown in fig. 5, in order to ensure that the vacuum absorption part 121 is in a negative pressure environment, the fiber reinforced composite material processing mold further includes a sealing ring 123, and the sealing ring 123 is located at a connection position of the vacuum absorption part 121 and the mold core 12. For example, the sealing ring 123 is made of rubber, and the sealing ring 123 made of rubber is located at a connection position between the rear end of the vacuum absorption part 121 and the core 12, so that the stability of connection between the vacuum absorption part 121 and the core 12 can be improved, air leakage can be prevented, the inside of the vacuum absorption part 121 is in a negative pressure environment, and the vacuum absorption part 121 is ensured to have sufficient absorption force.
As shown in fig. 2, 4, 6-7, the fiber reinforced composite material processing mold further includes a sliding structure 122, the sliding structure 122 is disposed at an end of the core 12, the sliding structure 122 is adapted to move along a thickness direction of the core 12, and the sliding structure 122 is adapted to give way to the robot arm 3 that clamps the matrix material 4, wherein the thickness direction of the core 12 is a direction of a Y axis in fig. 2. Specifically, as shown in fig. 5, there are two sliding structures 122, which are respectively located at the left and right sides of the upper end of the core 12, and the sliding structures 122 can move in the front-rear direction. When the sliding structure 122 moves forward, the front end of the sliding structure 122 is in the same plane with the front end of the core 12, which can provide support for the base material 4 adsorbed on the core 12; when the sliding structure 122 moves backward, the front end of the sliding structure 122 gives way to the left and right sides of the upper end of the core 12, and can give way to the robot arm 3 for clamping the substrate 4.
Illustratively, the robot arm 3 has a structure as shown in fig. 8, and both ends of the robot arm 3 respectively clamp both left and right ends of the base material 4. When the base material 4 needs to be placed on the first mold 1, the sliding structure 122 is moved backwards to make the space on the left side and the right side of the upper end of the mold core 12, the mechanical arm 3 clamps the base material 4 to be close to the mold core 12, the left end and the right end of the mechanical arm 3 enter the space made by the sliding structure 122, the base material 4 is made to be close to the surface of the mold core 12, the vacuum pump is started, the base material 4 is adsorbed and fixed on the mold core 12 through the adsorption effect of the vacuum adsorption part 121, then the mechanical arm 3 is released, the mechanical arm 3 is made to be far away from the mold core 12, the sliding structure 122 is made to move forwards until the front end of the sliding structure 122 and the front end of the mold core 12 are located on the same plane, and the base material 4 is adsorbed and fixed on the plane formed by the mold core 12 and the sliding structure 122.
The sliding structure 122 includes a first slider 1221 and a second slider 1222, the first slider 1221 and the second slider 1222 are perpendicular to each other, the second slider 1222 is disposed at an end of the core 12, the first slider 1221 is movably connected to the second slider 1222, the first slider 1221 is suitable for reciprocating in an up-and-down direction, and the first slider 1221 is suitable for driving the second slider 1222 to move in a thickness direction of the first mold 1. The vertical direction is a direction indicated by the Z axis in fig. 2, and the thickness direction of the first mold 1 is a front-back direction, i.e., a direction indicated by the Y axis in fig. 2.
Specifically, as shown in fig. 7, one end of the first slider 1221 and the second slider 1222 is wedge-shaped, and the surface of the first slider 1221 and the second slider 1222 contacting each other is wedge-shaped, wherein the thickness of the wedge-shaped portion of the first slider 1221 decreases from top to bottom, the thickness of the wedge-shaped portion of the second slider 1222 decreases from front to back, and the wedge-shaped portions of the first slider 1221 and the second slider 1222 contact each other, and when the first slider 1221 moves up and down, the thickness of the wedge-shaped portion of the first slider 1221 and the second slider 1222 contacting each other changes, which can drive the second slider 1222 to move back and forth.
Illustratively, a first sliding groove is arranged on the wedge-shaped portion of the first sliding block 1221, a second sliding groove is arranged on the mold core 12, a first sliding rail is arranged on the wedge-shaped portion of the second sliding block 1222, a second sliding rail is further arranged on the second sliding block 1222, the first sliding rail is slidably connected with the first sliding groove, and the second sliding rail is connected with the second sliding groove. When the first sliding block 1221 moves downwards, the second sliding block 1222 moves forwards while sliding along the first sliding slot, and the first sliding rail and the first sliding slot cooperate with each other, so as to further limit the sliding direction and the sliding range of the second sliding block 1222 while ensuring the relative sliding of the first sliding block 1221 and the second sliding block 1222; similarly, when the first slider 1221 moves upward, the second slider 1222 moves backward.
The fiber reinforced composite material processing mold further comprises an oil cylinder 13, the oil cylinder 13 is connected with the sliding structure 122, and the oil cylinder 13 is suitable for driving the sliding structure 122 to move. The oil cylinder 13 drives the sliding structure 122 to move, so that the automation degree of the die can be improved. Illustratively, the oil cylinder 13 is connected with the first slider 1221, and drives the first slider 1221 to move up and down, so as to drive the second slider 1222 to move back and forth.
As shown in fig. 1 and 9, a first mold 1 and a second mold 2 of the fiber reinforced composite material processing mold are detachably connected, and the first mold 1 and the second mold 2 are adapted to constitute a clamping mold. Illustratively, the first mold 1 is provided with a fixing hole 111, and the second mold 2 is provided with a fixing pin 21, wherein the fixing pin 21 is suitable for being clamped into the fixing hole 111. Through fixed pin 21 and fixed orifices 111, can fix a position the connection of first mould 1 and second mould 2, guarantee the accuracy of connecting, when second mould 2 is pressed and is detained to first mould 1 on, constitute the compound die mould, can mould pressing and mould plastics base member 4.
Another embodiment of the present invention provides a fiber reinforced composite material processing system, which includes a robot arm 3 and the fiber reinforced composite material processing mold, wherein the robot arm 3 is used for clamping the matrix material 4.
Through using arm 3 and the cooperation of above-mentioned fiber reinforced composite mold processing, constitute fiber reinforced composite processing system, shift matrix material 4 to fiber reinforced composite mold processing surface through arm 3, the mold processing can step down for arm 3 to fix matrix material 4 on the mold processing surface through vacuum adsorption's mode, improved machining efficiency, and can not cause matrix material 4 to damage.
In order to make the embodiment of the present invention clearer, a method for using the above fiber reinforced composite material processing mold is described, including the following steps:
firstly, separating a first die 1 and a second die 2, and enabling a second sliding block 1222 to slide backwards through a control oil cylinder 13 to make the left side and the right side of the upper end of a core 12;
secondly, clamping a pretreated base material 4 by using a mechanical arm 3 and enabling the base material 4 to be close to a mold core 12, wherein the base material 4 comprises thermoplastic resin or thermosetting resin, the pretreatment mode comprises heating treatment, and the treated base material 4 is in a soft or hard state;
thirdly, starting a vacuum pump, and adsorbing the pretreated base material 4 on the mold core 12 by a plurality of groups of vacuum adsorption parts 121 distributed on the mold core 12;
fourthly, loosening the mechanical arm 3, enabling the mechanical arm 3 to leave the first die 1, and simultaneously controlling the oil cylinder 13 to enable the second sliding block 1222 to move forwards to provide support for the base material 4;
and fifthly, pressing and buckling the second mold 2 onto the first mold 1 to form a mold closing mold, injecting reinforcing fibers into the mold closing mold, performing mold pressing, performing injection molding when the mold pressing is to be completed, so that the fiber reinforced composite material is formed in one step, cooling and shaping, and separating the mold closing mold to obtain the fiber reinforced composite material, wherein the reinforcing fibers comprise at least one of glass fibers, carbon fibers, aramid fibers, basalt fibers and chemical fibers, and the reinforcing fibers comprise chopped strand mats, continuous mats, unidirectional fabrics, multidirectional fabrics or square fabrics.
Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to be within the scope of the present disclosure.
Claims (10)
1. The utility model provides a fibre reinforced composite mold processing, includes relative first mould (1) and second mould (2) that set up, characterized in that, still includes the vacuum pump, first mould (1) includes core (12), be provided with vacuum adsorption portion (121) on core (12), vacuum adsorption portion (121) with vacuum pump connection.
2. The mold for processing fiber-reinforced composite material according to claim 1, wherein the plurality of vacuum suction portions (121) are uniformly distributed on the mandrel (12).
3. The mold for processing fiber reinforced composite material according to claim 2, wherein the vacuum absorption part (121) is provided with a plurality of absorption holes (1211), the absorption holes (1211) are through holes penetrating through the vacuum absorption part (121), and the absorption holes (1211) are connected with the vacuum pump.
4. The mold for processing fiber reinforced composite material according to claim 3, further comprising a connection pipe (112), wherein the vacuum suction part (121) is connected to the vacuum pump through the connection pipe (112).
5. The processing mold for fiber reinforced composite material according to claim 1, further comprising a sealing ring (123), wherein the sealing ring (123) is disposed at the connection of the vacuum absorption part (121) and the core (12).
6. The fiber reinforced composite material processing mold according to claim 1, further comprising a sliding structure (122), wherein the sliding structure (122) is provided at an end of the mandrel (12), and the sliding structure (122) is adapted to move in a thickness direction of the mandrel (12).
7. The processing die for the fiber reinforced composite material according to claim 6, wherein the sliding structure (122) comprises a first sliding block (1221) and a second sliding block (1222), the first sliding block (1221) and the second sliding block (1222) are perpendicular to each other, the second sliding block (1222) is arranged at the end of the mold core (12), the first sliding block (1221) and the second sliding block (1222) are movably connected, the first sliding block (1221) is suitable for reciprocating in the up-and-down direction, and the first sliding block (1221) is suitable for driving the second sliding block (1222) to move in the thickness direction of the first mold (1).
8. The mold for processing fiber reinforced composite material according to claim 7, wherein the surfaces of the first slider (1221) and the second slider (1222) contacting each other are wedge-shaped surfaces.
9. The fiber reinforced composite mold tooling of claim 6 further comprising a ram (13), the ram (13) being connected to the slide structure (122), the ram (13) being adapted to drive the slide structure (122) in movement.
10. A fibre-reinforced composite processing system, characterized in that it comprises a robot arm (3) and a fibre-reinforced composite processing mould according to any of claims 1-9, said robot arm (3) being adapted to hold a matrix material (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202122490686.5U CN216610140U (en) | 2021-10-13 | 2021-10-13 | Fiber reinforced composite material processing mold and processing system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122490686.5U CN216610140U (en) | 2021-10-13 | 2021-10-13 | Fiber reinforced composite material processing mold and processing system |
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| CN216610140U true CN216610140U (en) | 2022-05-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116621595A (en) * | 2023-07-21 | 2023-08-22 | 浙江德鸿碳纤维复合材料有限公司 | Carbon fiber reinforced graphite ring and preparation method thereof |
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2021
- 2021-10-13 CN CN202122490686.5U patent/CN216610140U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116621595A (en) * | 2023-07-21 | 2023-08-22 | 浙江德鸿碳纤维复合材料有限公司 | Carbon fiber reinforced graphite ring and preparation method thereof |
| CN116621595B (en) * | 2023-07-21 | 2023-10-27 | 浙江德鸿碳纤维复合材料有限公司 | Carbon fiber reinforced graphite ring and preparation method thereof |
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