CN215970205U - Compression molding die for fiber reinforced composite material tooth-shaped part - Google Patents
Compression molding die for fiber reinforced composite material tooth-shaped part Download PDFInfo
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- CN215970205U CN215970205U CN202121331543.3U CN202121331543U CN215970205U CN 215970205 U CN215970205 U CN 215970205U CN 202121331543 U CN202121331543 U CN 202121331543U CN 215970205 U CN215970205 U CN 215970205U
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Abstract
The utility model discloses a compression molding die for a fiber reinforced composite material tooth-shaped part, and belongs to the field of die design. The compression molding die comprises an upper die and a lower die; the upper die is a male die, a strip-shaped tooth-shaped bulge is arranged in the middle of the upper die and used for forming a tooth part structure of a workpiece, and trapezoidal grooves are respectively formed at two ends of the upper die; the lower die is a female die, and a first loose piece and a second loose piece are respectively arranged at two ends of the lower die; the periphery of the die cavity of the lower die is provided with a glue overflow groove; when the die is closed, the trapezoidal groove of the upper die is matched with the first movable block and the second movable block of the lower die, so that the upper die and the lower die are fixed. The die is simple in structure and easy and quick to assemble; the upper die and the lower die can be used independently, and prepreg can be simultaneously paved in the die cavities of the upper die and the lower die, so that the operation time is saved; the periphery of the die cavity of the lower die is provided with a glue overflow groove for discharging redundant resin, so that the weight of the workpiece is reduced, and meanwhile, the glue overflow groove plays a role in air guide in the forming process, so that the quality of the workpiece is improved.
Description
Technical Field
The utility model belongs to the field of mold design, and particularly relates to a compression molding mold for a fiber reinforced composite material tooth-shaped part.
Background
The tooth-like structural component is widely used in the industrial field with its excellent structural strength and dimensional accuracy. The traditional tooth structure parts are all made of metal materials, but the application range of the traditional tooth structure parts is gradually limited due to the defects of high processing cost, insufficient light weight under special working conditions, poor wear-resisting and corrosion-resisting properties and the like.
In recent years, fiber reinforced resin matrix composite materials gradually replace traditional metal materials due to the characteristics of light weight, high strength, high molding dimensional precision, wear resistance, corrosion resistance and the like, and are widely applied to tooth parts. The continuous fiber reinforced resin matrix composite material is widely applied to the processing of various high-precision parts and equipment due to the excellent designability of structural strength. In the process of machining and manufacturing tooth parts, due to the particularity of the tooth groove structure and the limitation of the forming process, especially for some complex and high-precision workpieces, other machining methods are often needed for reprocessing after forming to obtain the final workpiece, for example: turning, grinding and milling.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a compression molding die for a fiber reinforced composite material tooth-shaped part.
In order to achieve the purpose, the utility model adopts the following technical scheme to realize the purpose:
a compression molding mould for a fiber reinforced composite material tooth-shaped part comprises an upper mould and a lower mould;
the upper die is a male die, the axial direction of a die cavity of the upper die is of a tooth groove structure, and the tooth groove structure is used for forming a tooth-shaped structure of the fiber reinforced resin matrix composite part; trapezoidal grooves are respectively arranged at the two ends of the upper die;
the lower die is a female die, the axial area of the lower die is a part molding die cavity, and a first loose piece and a second loose piece are respectively arranged at two ends of the lower die;
the periphery of the die cavity of the lower die is provided with a glue overflow groove;
when the die is closed, the trapezoidal groove of the upper die is matched with the first movable block and the second movable block of the lower die, so that the upper die and the lower die are fixed.
Furthermore, the side surface of the trapezoidal groove is provided with a pattern drawing slope.
Furthermore, the two ends of the lower die are provided with sinking platforms, the sinking platforms are provided with positioning pin holes, and a first movable block and a second movable block are arranged in the positioning pin holes.
Furthermore, 4 positioning holes are formed in the parting surface of the upper die, and positioning guide sleeves are arranged in the positioning holes;
4 positioning pin holes are formed in the parting surface of the lower die, and positioning pins are arranged in the positioning pin holes;
when the die is closed, the positioning pin is matched with the positioning guide sleeve to position the upper die and the lower die.
Furthermore, the parting surface of lower mould is equipped with 2 counter bores, the counter bore is used for the fixed of lower mould.
Furthermore, the counter bores realize the fixation of the lower die and the template through bolts.
Further, the upper die is welded with a handle.
Further, a handle is welded on the lower die.
Further, the second loose piece is composed of an upper half part and a lower half part.
Compared with the prior art, the utility model has the following beneficial effects:
the compression molding die for the fiber reinforced composite material tooth-shaped part is simple in structure and comprises an upper die, a lower die and 2 detachable loose pieces on the lower die, wherein the loose pieces are fixed on the lower die, and the assembly is simple and rapid; the upper die and the lower die can be used independently, and prepreg can be simultaneously paved in the die cavities of the upper die and the lower die, so that the operation time is saved; the periphery of the die cavity of the lower die is provided with a glue overflow groove for discharging redundant resin, so that the weight of the workpiece is reduced, and meanwhile, the glue overflow groove has the function of air guide in the forming process, so that the resin flow is facilitated, and the quality of the workpiece is improved. The mould is combined, and by means of the detachable loose piece design, on the basis of meeting the realizability of the product layering structure design, the forming difficulty of the product is reduced, and the structural strength and the dimensional precision of the final product can meet the design requirements.
Drawings
FIG. 1 is a schematic structural view of the mold of the present invention during opening;
FIG. 2 is a schematic view of the mold of the present invention in a closed configuration;
fig. 3 is a cross-sectional view of the mold of the present invention.
Wherein: 1-upper die, 2-positioning guide sleeve, 3-workpiece, 4-first movable block, 5-lower die, 6-positioning pin and 7-second movable block.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above 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. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The utility model is described in further detail below with reference to the accompanying drawings:
referring to fig. 1, fig. 1 is a structural diagram of a die opening of the die of the utility model, and the die forming die for a fiber reinforced composite material tooth-shaped part consists of an upper die 1, a positioning guide sleeve 2, a first movable block 4, a lower die 5, a positioning pin 6 and a second movable block 7; the upper die 1 is a female die, and the middle part of the upper die is a strip-shaped tooth-shaped bulge which is used for forming a tooth part structure of the workpiece 3; the two ends of the upper die 1 are provided with trapezoidal grooves, and the side surfaces of the trapezoidal grooves are provided with die drawing slopes for sliding fit with the first movable blocks 4 and the second movable blocks 7 on the lower die 5; and a positioning hole is formed in the parting surface of the upper die 1, and a positioning guide sleeve 2 is arranged in the positioning guide sleeve and is used for being matched with a positioning pin 6 on the parting surface of the lower die 5 to carry out die assembly. The upper die 1 is welded with a handle for carrying the upper die. The lower die 5 is a female die, two ends of the lower die 5 are provided with sinking platforms, and the sinking platforms are provided with positioning pin holes which are respectively used for installing the first movable block 4 and the second movable block 7; the parting surface of the lower die 5 is provided with 4 positioning pin holes and 2 counter bores, and positioning pins 6 are arranged in the positioning pin holes; the counter sink is used for fixing the lower die 5 and is fixed with the template through a bolt; the periphery of the die cavity of the lower die 5 is provided with a glue overflow groove for discharging redundant resin, reducing the weight of the workpiece, and simultaneously playing a role in air guide in the forming process, being beneficial to the flow of the resin and improving the quality of the workpiece. The lower die 5 is welded with a handle for carrying the die.
Referring to fig. 2, fig. 2 is a schematic structural view of the mold of the present invention when closing, it can be seen that a workpiece 3 is disposed between an upper mold 1 and a lower mold 5, and trapezoidal grooves at two ends of the upper mold 1 are matched with a first loose piece 4 and a second loose piece 7 to realize the positioning of the two; the positioning hole of the upper die 1 is matched with the positioning pin 6 of the lower die 5 through the positioning guide sleeve 2, so that the upper die and the lower die are fixed.
Referring to fig. 3, fig. 3 is a cross-sectional view of the present invention, it can be seen that the second loose piece 7 is composed of an upper half part and a lower half part, when the prepreg is filled, the first loose piece 4 and the second loose piece 7 are fixed on the lower die 5 by the positioning pin, when the workpiece is molded and the die is opened, the first loose piece 4 is pulled out along the axis of the workpiece, the upper half part of the second loose piece 7 is pulled out along the axis of the workpiece, and the lower half part is lifted by a predetermined height or pulled out in an oblique direction. The loose block structure is convenient for demoulding and easy to operate.
The using method of the die comprises the following specific steps:
separating the upper die 1 from the lower die 5, and fixedly installing the first movable block 4 and the second movable block 7 on the lower die 5;
respectively filling the prepreg in the die cavities of the upper die 1 and the lower die 5, and forming the tooth part and the appearance surface of the workpiece through a forming tool;
after the tooth part and the appearance surface of the workpiece are formed, the surface of a die is cleaned, then an upper die 1 is transferred and installed on a lower die 5, a press is started to compact the die, and the die is formed under the forming process condition, so that the fiber reinforced resin matrix composite material tooth-shaped part with the characteristics of light weight, high strength, high forming size precision, wear resistance, corrosion resistance and the like can be prepared.
The utility model has high working efficiency, the die is fixed on the press, and after the preforming is finished, the upper die is only needed to be placed on the lower die for assembly, and then the press is started for extrusion forming.
The forming precision and the strength are high, the die is a metal die, the size precision of a product can be guaranteed, the product is extruded and formed by a press, the internal structure of the part becomes compact under the action of pressure, and the overall strength is improved.
The fiber reinforced composite material tooth-shaped part has a complex structure, and the tooth-shaped area and the front and rear end curved surface structural areas are all key structural characteristics of the product. By means of the traditional one-time machining molding die with the integral structure, the designability advantage of the layer structure of the fiber reinforced composite material is difficult to play in the process of the product preparation technology, and the structural strength and the size precision of the characteristic structure area are difficult to guarantee. The mould is combined, and by means of the detachable loose piece design, on the basis of meeting the realizability of the product layering structure design, the forming difficulty of the product is reduced, and the structural strength and the dimensional precision of the final product can meet the design requirements; on the other hand, the die can be fixed on a pre-designed die plate, multiple cavities are formed in one die, and multiple parts can be formed at one time.
The above-mentioned contents are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modification made on the basis of the technical idea of the present invention falls within the protection scope of the claims of the present invention.
Claims (9)
1. A compression molding mould for a fiber reinforced composite material tooth-shaped part is characterized by comprising an upper mould (1) and a lower mould (5);
the upper die (1) is a male die, and the axial direction of a die cavity of the upper die (1) is of a tooth groove structure and is used for forming a tooth-shaped structure of the fiber reinforced resin matrix composite part; two ends of the upper die (1) are respectively provided with a trapezoidal groove;
the lower die (5) is a female die, the axial area of the lower die (5) is a part molding die cavity, and a first loose piece (4) and a second loose piece (7) are respectively arranged at two ends of the lower die (5);
the periphery of the die cavity of the lower die (5) is provided with a glue overflow groove;
when the die is closed, the trapezoidal groove of the upper die (1) is matched with the first movable block (4) and the second movable block (7) of the lower die, so that the upper die (1) and the lower die (5) are fixed.
2. A compression molding die for a fiber reinforced composite material toothed part according to claim 1, wherein the side surface of the trapezoidal groove is provided with draft.
3. The compression molding die for the fiber reinforced composite material toothed part according to claim 1, wherein the two ends of the lower die (5) are provided with sunken platforms, positioning pin holes are formed in the sunken platforms, and a first loose piece (4) and a second loose piece (7) are installed in the positioning pin holes.
4. The compression molding die for the fiber reinforced composite material toothed part according to claim 1, wherein the parting surface of the upper die (1) is provided with 4 positioning holes, and positioning guide sleeves (2) are arranged in the positioning holes;
4 positioning pin holes are formed in the parting surface of the lower die (5), and positioning pins (6) are arranged in the positioning pin holes;
when the die is closed, the positioning pin (6) is matched with the positioning guide sleeve (2) to position the upper die (1) and the lower die (5).
5. A compression molding die for a fiber reinforced composite material toothed part according to claim 4, characterized in that the parting surface of the lower die (5) is provided with 2 counter bores for fixing the lower die (5).
6. A compression moulding mould for fibre reinforced composite toothed parts according to claim 5, characterised in that the counter-bore provides fixation of the lower mould (5) to the template by means of bolts.
7. A compression molding die for a fiber reinforced composite material toothed part according to claim 1, characterized in that a handle is welded to the upper die (1).
8. A compression molding die for a fiber reinforced composite material toothed part according to claim 1, characterized in that a handle is welded to the lower die (5).
9. A compression molding die for a fiber reinforced composite material toothed part according to claim 1, wherein the second loose piece (7) is composed of two parts, an upper half and a lower half.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121331543.3U CN215970205U (en) | 2021-06-15 | 2021-06-15 | Compression molding die for fiber reinforced composite material tooth-shaped part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121331543.3U CN215970205U (en) | 2021-06-15 | 2021-06-15 | Compression molding die for fiber reinforced composite material tooth-shaped part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215970205U true CN215970205U (en) | 2022-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121331543.3U Active CN215970205U (en) | 2021-06-15 | 2021-06-15 | Compression molding die for fiber reinforced composite material tooth-shaped part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215970205U (en) |
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2021
- 2021-06-15 CN CN202121331543.3U patent/CN215970205U/en active Active
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