CN218197065U - Composite material pultrusion section bar preforming tool - Google Patents
Composite material pultrusion section bar preforming tool Download PDFInfo
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- CN218197065U CN218197065U CN202222189829.3U CN202222189829U CN218197065U CN 218197065 U CN218197065 U CN 218197065U CN 202222189829 U CN202222189829 U CN 202222189829U CN 218197065 U CN218197065 U CN 218197065U
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Abstract
The application provides a composite material pultrusion section bar pre-forming tool which comprises a die set, wherein a first space is arranged in the die set, and the first space is provided with a first end and a second end; the first yarn threading plate is arranged at the first end and connected with the die carrier, a first yarn threading hole for fiber tows to pass through and a first cloth threading hole for fiber cloth to pass through are formed in the first yarn threading plate, and the second yarn threading plate is arranged at the second end and connected with the die carrier; the second yarn threading plate is provided with a first forming hole, and the first forming hole is used for providing a pulling-out channel for the composite material preformed product; two core rods distributed along a second direction, wherein a gap is formed between the two core rods, and the second direction is vertical to the first direction; two core rods penetrate through the first forming holes in the second yarn threading plate respectively, one end, far away from the second yarn threading plate, of each core rod is connected with the first yarn threading plate, and the two core rods are used for enhancing the strength of a produced composite material finished product and preventing the composite material from being broken easily during use.
Description
Technical Field
The application relates to the technical field of composite material type pultrusion equipment, in particular to a composite material pultrusion profile pre-forming tool.
Background
With the continuous development of economy, new energy automobiles become the first choice of many people, in the manufacture of new energy automobiles, composite material products play a crucial role, the cross section of products produced by the existing composite material pre-forming tool is mostly of a rectangular frame structure, the cross section of the products is shown in fig. 1, and the existing composite material products are low in strength and easy to break in the using process. For this reason, this application proposes a combined material pultrusion section bar preforming frock.
Disclosure of Invention
The utility model aims at above problem, provide a combined material pultrusion section bar preforming frock.
The application provides a combined material pultrusion section bar preforming frock includes:
the die carrier is of a frame structure, a first space is formed in the die carrier, and the first space is provided with a first end and a second end;
the first yarn threading plate and the second yarn threading plate are arranged along a first direction, the first yarn threading plate is arranged at the first end and is connected with the die carrier, a first yarn threading hole for fiber tows to pass through and a first cloth threading hole for fiber cloth to pass through are formed in the first yarn threading plate, and the second yarn threading plate is arranged at the second end and is connected with the die carrier; a first forming hole is formed in the second yarn threading plate and used for providing a pulling-out channel for the composite material preformed product;
two core rods distributed along a second direction, wherein a gap is formed between the two core rods, and the second direction is perpendicular to the first direction; and the two core rods respectively penetrate through the first forming holes in the second yarn threading plate, and one end of each core rod, which is far away from the second yarn threading plate, is connected with the first yarn threading plate.
According to the technical scheme provided by the embodiment of the application, the core rod comprises a straight section, a transition section and a forming section which are sequentially connected along the first direction, the distance between the straight sections of the two core rods is greater than the distance between the transition sections, and the distance between the transition sections of the two core rods is greater than the distance between the forming sections.
According to the technical scheme provided by the embodiment of the application, the distance between the forming sections of the two core rods is 3mm.
According to the technical scheme provided by the embodiment of the application, the transition section comprises a first subsection connected with the straight section, a second subsection connected with the forming section and a third subsection connecting the first subsection with the second subsection; the distance between the two first subsections of the two core rods is gradually reduced along the direction far away from the straight section; the distance between the two second parts of the two core rods is gradually reduced along the direction close to the forming section; the distance between the two third subsections of the two core rods is constant.
According to the technical scheme provided by the embodiment of the application, the composite material pultrusion profile pre-forming tool further comprises a third yarn threading plate arranged between the first yarn threading plate and the second yarn threading plate; two first through holes are formed in the third yarn threading plate, the two first through holes are distributed along the second direction, second yarn threading holes are formed in the periphery of the two first through holes, and second yarn threading holes are formed in the periphery of the second yarn threading holes.
According to the technical scheme provided by the embodiment of the application, the composite material pultrusion profile pre-forming tool further comprises a fourth yarn threading plate arranged between the second yarn threading plate and the third yarn threading plate, a second through hole is formed in the fourth yarn threading plate, and the second through hole is used for allowing a fiber tow, a fiber cloth and the core rod to pass through.
According to the technical scheme provided by the embodiment of the application, a felt guiding piece is further installed on one side, close to the fourth threading plate, of the second threading plate, a felt guiding hole extending along the second direction is formed in the felt guiding piece, and the felt guiding piece is used for guiding fiber cloth into the second threading plate from the felt guiding hole; and a second cloth guiding hole is formed in the second yarn threading plate and is far away from the upper part of the first forming hole, and the second cloth guiding hole is parallel to the felt guiding hole.
Compared with the prior art, the beneficial effect of this application: according to the composite material drawing-in die set, the first yarn threading plate and the second yarn threading plate are arranged at two ends of the first space of the die set, the two core rods are further arranged in the first space, one ends of the two core rods penetrate through the first forming hole formed in the second yarn threading plate, the other ends of the two core rods are fixed on the first yarn threading plate, the two core rods are used for enabling the cross section of a composite material finished product obtained through drawing-drawing to be of a structure shown in a figure 10, the shape of the produced product is rectangular, the reinforcing plate is arranged in the middle of the rectangle and divides the rectangle into two small rectangles which are connected with each other, the cross section of the original composite material finished product is of a rectangular shape, the product shape is shown in a figure 1 and only has one first cavity, the strength of the composite material finished product produced by the composite material drawing-in die set is larger than that the composite material finished product with the rectangular cross section, the strength of the composite material is improved to a great extent when the composite material is used, and the composite material is not prone to break.
Drawings
FIG. 1 is a block diagram of a composite product produced by a composite pultrusion profile preforming tool in the prior art;
fig. 2 is a schematic structural diagram of a composite material pultrusion profile preforming tool provided in an embodiment of the present application;
FIG. 3 is a side view of a composite pultrusion profile pre-forming tool;
fig. 4 is a schematic structural diagram of a core rod of a composite material pultrusion section preforming tool provided in an embodiment of the present application;
FIG. 5 is a schematic structural view of a first threading plate;
FIG. 6 is a schematic view of a third drawing-in plate;
FIG. 7 is a schematic structural view of a fourth threading plate;
FIG. 8 is a schematic structural view of a second threading plate;
FIG. 9 is a side view of a second threader plate;
fig. 10 is a structural view of a composite product produced by the composite pultrusion profile preforming tool in the present application.
The text labels in the figures are represented as:
1. a mold frame; 2. a core rod; 3. a straight section; 4. a forming section; 5. a first section; 6. a second section; 7. a third subsection; 8. a first threading plate; 9. a third threading plate; 10. a fourth threading plate; 11. a second threading plate; 12. a first yarn threading hole; 13. a first cloth passing hole; 14. a second yarn threading hole; 15. a felt guide; 16. a first chamber; 17. the second cloth passing hole.
Detailed Description
The following detailed description of the present application is given in conjunction with the accompanying drawings for the purpose of enabling those skilled in the art to better understand the technical solution of the present application, and the description in this section is only exemplary and explanatory, and should not be taken as limiting the scope of the present application in any way.
Referring to fig. 1 to 10, the present embodiment provides a composite material pultrusion section preforming tool, including:
the die carrier 1 is of a frame structure, a first space is arranged in the die carrier 1, and the first space is provided with a first end and a second end;
the first yarn threading plate 8 and the second yarn threading plate 11 are arranged along a first direction, the first yarn threading plate 8 is arranged at the first end and is connected with the die carrier 1, a yarn threading hole 12 for fiber tows to pass through and a first cloth threading hole 13 for fiber cloth to pass through are formed in the first yarn threading plate 8, and the second yarn threading plate 11 is arranged at the second end and is connected with the die carrier 1; a first forming hole is formed in the second yarn threading plate 11 and used for providing a pulling-out channel for the composite material preform;
two core rods 2 distributed along a second direction, wherein a gap is formed between the two core rods 2, and the second direction is perpendicular to the first direction; the two core rods 2 respectively penetrate through the first forming holes in the second yarn threading plate 11, and one end, far away from the second yarn threading plate 11, of each core rod 2 is connected with the first yarn threading plate 8.
Specifically, in this embodiment, the mold frame 1 is a frame structure, a first space is provided in the mold frame 1, the first space has a first end and a second end, and the first space is in a rectangular parallelepiped shape; two wear the yarn board, two wear the yarn board and arrange along first direction in proper order, first direction is the horizontal direction, from left right side direction in this figure 2 promptly, two wear the yarn board and be first wear yarn board 8 and second respectively and wear yarn board 11, first wear the yarn board 8 setting and be in the first end in first space is connected with die carrier 1, for example can use the mode of bolt will first wear yarn board 8 with die carrier 1 links together.
The first yarn threading plate 8 is provided with a plurality of yarn threading holes 12, the yarn threading holes 12 are all round through holes, the yarn threading holes 12 are used for providing channels for fiber tows to pass through, the first yarn threading holes 12 are divided into four groups, and the four groups of yarn threading holes jointly enclose an approximately rectangular outline.
The first yarn threading plate 8 is further provided with a first cloth threading hole 13, the first cloth threading hole 13 is in an approximate crescent shape, and the first cloth threading hole 13 is used for providing a passage for fiber cloth to pass through; the number of the first cloth penetrating holes 13 is five, wherein four first cloth penetrating holes 13 are positioned inside an approximately rectangular outline surrounded by four groups of the first cloth penetrating holes 12, every two of the four first cloth penetrating holes 13 form a group, two first cloth penetrating holes 13 which are mutually a group are oppositely arranged and form an approximately rectangular outline together, two rectangular outlines formed by the four first cloth penetrating holes 13 are arranged along the second direction, and the second direction is a horizontal direction and is perpendicular to the first direction; the other first cloth through hole 13 is positioned at the lowest part of the approximate rectangular outline enclosed by the four groups of first yarn through holes 12.
The second yarn threading plate 11 is arranged at the second end of the first space and connected with the die carrier 1, the second yarn threading plate 11 is detachably connected with the die carrier 1, a first forming hole is formed in the second yarn threading plate 11 and used for providing a pull-out channel for a composite material preform, the first forming hole is irregular and comprises a rectangle and extension parts formed by downward extending of two ends of a long edge of the rectangle, and the two ends of the long edge of the rectangle are located on the lower side.
The two core rods 2 are distributed along a second direction, the second direction is perpendicular to the first direction, a gap is formed between the two core rods 2, one ends of the two core rods 2 respectively penetrate through the first forming holes of the second yarn threading plate 11, and one ends of the two core rods 2 far away from the second yarn threading plate 11 are fixedly connected with the first yarn threading plate 8, for example, bolts can be used.
In the use process, the fiber tows and the fiber cloth soaked with the resin penetrate through the first yarn threading plate and then penetrate through the second yarn threading plate, the fiber tows and the fiber cloth are pulled out from the second yarn threading plate, and in the process from the first yarn threading plate to the second yarn threading plate, the fiber tows and the fiber cloth wrap the two core rods all the time, so that the finally pulled-out product is shown in the figure 10, the produced product is in an irregular shape and comprises a rectangle, two first cavities are formed in the rectangle, and the two ends of the long side of the lower side of the rectangle extend downwards to form extension parts.
Further, the core rod 2 comprises a straight section 3, a transition section and a forming section 4 which are sequentially connected along the first direction, the distance between two straight sections 3 of the two core rods 2 is greater than the distance between two transition sections, and the distance between two transition sections of the two core rods 2 is greater than the distance between two forming sections 4.
Specifically, in this embodiment, the two core rods 2 each include a straight section 3, the straight section 3 is a first section where the fiber tows and the fiber cloth need to pass through, the transition section provides a buffering space for the fiber tows and the fiber cloth, the transition section further includes a forming section 4 connected to the transition section, a distance between the straight sections 3 of the two core rods 2 and a distance between the forming sections 4 are not changed, the straight sections 3, the transition section, and the forming sections 4 are sequentially connected along the first direction, a distance between the straight sections 3 of the two core rods 2 is greater than a distance between the transition sections, and a distance between the transition sections of the two core rods 2 is greater than a distance between the forming sections 4.
Further, the distance between the forming sections 4 of the two core rods 2 is 3mm.
Specifically, in this embodiment, the distance between the forming sections 4 of the two core rods 2 is 3mm, which is smaller than the distance between the straight sections 3, and the transition section plays a role in buffering between the straight sections 3 and the forming sections 4, so as to prevent the fiber tows and the fiber cloth from breaking in the process of entering the forming sections 4 from the straight sections 3.
Further, the transition section comprises a first subsection 5 connected with the straight section 3, a second subsection 6 connected with the forming section 4, and a third subsection 7 connecting the first subsection 5 with the second subsection 6; the distance between the two first subsections 5 of the two core rods 2 decreases gradually in the direction away from the straight section 3; the distance between the two second sections 6 of the two core rods 2 decreases gradually in the direction approaching the forming section 4; the distance between the two third partial sections 7 of the two core rods 2 is constant.
Specifically, in the present embodiment, the transition section includes a first subsection 5 and a second subsection 6, and a third subsection 7 connecting the first subsection 5 and the second subsection 6, and the distance between the two first subsections 5 of the two core rods 2 gradually decreases along the direction gradually away from the straight section 3; the distance between the two second subsections 6 of the two core rods 2 decreases gradually in the direction of approaching the forming section 4, and the distance between the two third subsections 7 of the two core rods 2 is constant; the distance between the two first partial sections 5 of two core rods 2 is greater than the distance between the two third partial sections 7 of two core rods 2, and the distance between the two third partial sections 7 of two core rods 2 is greater than the distance between the two second partial sections 6 of two core rods 2.
When the fiber tows and the fiber cloth enter the forming section 4 from the straight section 3, the gap between the forming section 4 is 3mm and is far smaller than the distance between the straight sections 3, so the transition section is further divided into the first sub-section 5, the first sub-section 5 can play a role of buffering the fiber tows and the fiber cloth on one hand, and also can promote the forming of the fiber tows and the fiber cloth on the other hand, when the fiber tows and the fiber cloth exit from the first sub-section 5 and enter the third sub-section 7, the third sub-section 7 can reinforce the shape of the composite material exiting from the first sub-section 5, and prevent the composite material which is just formed from being damaged and then enter the second sub-section 6 to further compress the composite material in size until the forming section 4, and the size of the final composite material finished product is 3mm.
Further, the composite material pultrusion profile pre-forming tool further comprises a third yarn threading plate 9 arranged between the first yarn threading plate 8 and the second yarn threading plate 11; two first through holes are formed in the third yarn threading plate 9 and distributed along the second direction, second cloth threading holes 17 are formed in the periphery of the two first through holes, and second yarn threading holes 14 are formed in the periphery of the second cloth threading holes 17.
Specifically, in this embodiment, the composite material pultrusion profile pre-forming tool further includes a third yarn threading plate 9, the third yarn threading plate 9 is disposed between the first yarn threading plate 8 and the yarn threading plate 11, two first through holes are formed in the third yarn threading plate 9, the two first through holes are used for two core rods 2 to pass through, second cloth threading holes 17 are distributed around the two first through holes, the second cloth threading holes 17 are approximately crescent-shaped, and the second cloth threading holes 17 are used for providing a passage for fiber cloth to pass through; the number of the second cloth penetrating holes 17 is five, four second cloth penetrating holes 17 are grouped in pairs, two second cloth penetrating holes 17 which are grouped with each other are oppositely arranged and form an approximate rectangular outline together, two rectangular outlines formed by the four second cloth penetrating holes 17 are arranged along the second direction, and the second direction is the horizontal direction and is perpendicular to the first direction; the two first through holes are respectively positioned inside the two rectangular outlines;
the third yarn threading plate 9 is further provided with four second yarn threading holes 14, the four second yarn threading holes 14 jointly enclose an approximate rectangular outline, and four of the second cloth threading holes 17 are located inside the approximate rectangular outline enclosed by the four second yarn threading holes 14; the other second cloth passing hole 17 is positioned at the lowest part of the approximate rectangular outline formed by the four second yarn passing holes 14.
Furthermore, the composite material pultrusion section preforming tool further comprises a fourth yarn threading plate 10 arranged between the second yarn threading plate 11 and the third yarn threading plate 9, wherein a second through hole is formed in the fourth yarn threading plate 10, and the second through hole is used for allowing the fiber tows, the fiber cloth and the core rod 2 to pass through.
Specifically, in this embodiment, the composite material pultrusion profile preforming tool further includes a fourth yarn threading plate 10, the fourth yarn threading plate 10 is disposed between the second yarn threading plate 11 and the third yarn threading plate 9, a second through hole is formed in the fourth yarn threading plate 10, during pultrusion, the fiber tows and the fiber cloth soaked with the resin firstly respectively pass through the first yarn threading hole 12 and the first fabric threading hole 13 on the first yarn threading plate 8, the fiber tows pulled out through the first yarn threading hole 12 are in a fiber column shape, the fiber tows in the fiber column shape are respectively threaded into the corresponding second yarn threading holes 14 of the third yarn threading plate 9, correspondingly, the fiber cloth pulled out through the first yarn threading plate 8 respectively pass through the corresponding second yarn threading holes 17, since the second yarn threading holes 14 are in a fiber column shape, the fiber tows pulled out through the second yarn threading holes 14 are changed into the fiber tows in the fiber plate shape, the fiber tows in the fiber board shape and the fiber tows pulled out from the second yarn threading hole 17 are bonded with the fiber pre-forming board, and the two elongated fiber tows are bonded with the composite material through the core rod 10 and the fiber cloth, so as a composite material.
Further, a felt guiding piece 15 is further installed on one side, close to the fourth threading plate 10, of the second threading plate 11, a felt guiding hole extending along the second direction is formed in the felt guiding piece 15, and the felt guiding piece 15 is used for guiding fiber cloth into the second threading plate 11 from the felt guiding hole; and a second cloth guiding hole is formed in the second yarn threading plate 11 above the first forming hole, and the second cloth guiding hole is parallel to the felt guiding hole.
Specifically, in this embodiment, a felt guiding member 15 is further installed on the fourth yarn threading plate, the felt guiding member 15 is disposed on one side of the fourth yarn threading plate 10 close to the second yarn threading plate 11, a felt guiding hole is formed in the felt guiding member 15, the felt guiding hole extends along the second direction, a second cloth guiding hole is further disposed on the second yarn threading plate 11, the second cloth guiding hole is disposed above the first forming hole, and the second cloth guiding hole and the felt guiding hole are parallel to each other, the felt guiding member 15 is used for guiding a fiber cloth onto the second yarn threading plate 11, so that the fiber cloth participates in a last process of forming a composite material, the thickness of the composite material preform is increased, a shape of a finally pultruded product is as shown in fig. 10, a cross-sectional area of the product has two first cavities 16, and a shape of an existing product is as shown in fig. 1, and a cross-sectional area of the product has only one first cavity 16.
Before formal production, fiber tows and fiber cloth pass through a first yarn penetrating hole and a first cloth penetrating hole of a first yarn penetrating plate, then the fiber tows and the fiber cloth pass through a second yarn penetrating hole and a second cloth penetrating hole of a third yarn penetrating plate together into a second through hole of a fourth yarn penetrating plate, then the fiber tows and the fiber cloth pass through a first forming hole formed in the second yarn penetrating plate, meanwhile, the last fiber cloth is led into the first forming hole through a felt guiding hole until the fiber tows are pulled out from the other end of a die carrier, after the preparation of the preorder work is finished, the fiber tows positioned in front of the first yarn penetrating plate are soaked with resin glue, the fiber tows soaked with the resin are led into the first yarn penetrating hole of the first yarn penetrating plate, the fiber cloth is led into the first yarn penetrating hole, the fiber tows pulled out through the first yarn penetrating plate are in a fiber column shape, the fiber bundles in a fiber column shape and the fiber cloth are led into the second yarn penetrating hole and the second cloth penetrating hole of the third yarn penetrating plate together with the fiber cloth, in the process, the fiber tows and the fiber cloth wrap two core rods, the fiber tows pulled out by the second yarn threading plate are in the shape of a fiber plate, the fiber tows in the shape of the fiber plate and the fiber cloth are jointly penetrated into a second through hole in a fourth yarn threading plate, the fiber tows in the shape of the fiber plate and the fiber cloth are bonded together through the action of resin adhesive inside the second through hole, the fiber tows and the fiber cloth pulled out by the fourth yarn threading plate are preformed products of composite materials, the distance between the two core rods is kept unchanged in the process that the fiber tows and the fiber cloth pass from the first yarn threading plate to the fourth yarn threading plate, when the preformed products of the composite materials enter the first forming hole formed in the second yarn threading plate, the felt guide piece arranged on the second yarn threading plate leads the last fiber cloth into the first forming hole through the felt guide hole, so that the fiber cloth and the preformed products of the composite materials form a semi-finished product of the composite materials under the action of the resin adhesive, and in the process from the fourth threading plate to the second threading plate, the distance between the two core rods is gradually reduced, the composite material semi-finished product is continuously pulled out, the composite material semi-finished product sequentially comprises a first subsection, a third subsection and a second subsection in the transition section in the process of continuously pulling out, the distance between the two core rods is changed into 3mm in the second subsection, the composite material semi-finished product with the distance of 3mm is continuously pulled out and subjected to curing molding, and finally the composite material semi-finished product is pulled out.
The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. The foregoing is only a preferred embodiment of the present application, and it should be noted that there are no specific structures which are objectively limitless due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the technical features mentioned above can be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention in other instances, which may or may not be practiced, are intended to be within the scope of the present application.
Claims (7)
1. The utility model provides a combined material pultrusion section bar preforming frock which characterized in that includes:
the die carrier (1), the die carrier (1) is of a frame structure, a first space is arranged in the die carrier (1), and the first space is provided with a first end and a second end;
the yarn guide device comprises a first yarn threading plate (8) and a second yarn threading plate (11) which are arranged along a first direction, wherein the first yarn threading plate (8) is arranged at a first end and is connected with a mold frame (1), a first yarn threading hole (12) for fiber tows to pass through and a first cloth threading hole (13) for fiber cloth to pass through are formed in the first yarn threading plate (8), and the second yarn threading plate (11) is arranged at a second end and is connected with the mold frame (1); a first forming hole is formed in the second yarn threading plate (11), and the first forming hole is used for providing a pulling-out channel for the composite material preform;
two core rods (2) distributed along a second direction, wherein a gap is formed between the two core rods (2), and the second direction is perpendicular to the first direction; the two core rods (2) respectively penetrate through the first forming holes in the second yarn threading plate (11), and one end, far away from the second yarn threading plate (11), of each core rod (2) is connected with the first yarn threading plate (8).
2. The composite material pultrusion profile preforming tool according to claim 1, characterized in that the core rod (2) comprises a straight section (3), a transition section and a forming section (4) which are connected in sequence along the first direction, a distance between two straight sections (3) of two core rods (2) is larger than a distance between two transition sections, and a distance between two transition sections of two core rods (2) is larger than a distance between two forming sections (4).
3. The composite pultrusion profile preforming tool according to claim 2, characterized in that the spacing between the profiled sections (4) of the two mandrels (2) is 3mm.
4. The composite pultrusion profile preforming tool as claimed in claim 3, characterized in that the transition section comprises a first subsection (5) connected with the straight section (3), a second subsection (6) connected with the profiled section (4), and a third subsection (7) connecting the first subsection (5) with the second subsection (6); the distance between the two first subsections (5) of the two core rods (2) is gradually reduced along the direction far away from the straight section (3); the distance between the two second parts (6) of the two core rods (2) is gradually reduced along the direction close to the forming section (4); the distance between the two third subsections (7) of the two core rods (2) is constant.
5. The composite pultrusion profile preforming tool as claimed in claim 4, further comprising a third threading plate (9) disposed between the first threading plate (8) and the second threading plate (11); two first through holes are formed in the third yarn threading plate (9), the two first through holes are distributed along the second direction, second yarn threading holes (17) are formed in the periphery of the two first through holes, and second yarn threading holes (14) are formed in the periphery of the second yarn threading holes (17).
6. The composite material pultrusion profile preforming tool according to claim 5, further comprising a fourth threading plate (10) arranged between the second threading plate (11) and the third threading plate (9), wherein a second through hole is formed in the fourth threading plate (10), and the second through hole is used for a fiber tow, a fiber cloth and the core rod (2) to pass through.
7. The composite material pultrusion profile preforming tool according to claim 6, characterized in that a felt guiding piece (15) is further installed on one side of the second threading plate (11) close to the fourth threading plate (10), a felt guiding hole extending in the second direction is formed in the felt guiding piece (15), and the felt guiding piece (15) is used for guiding a fiber cloth into the second threading plate (11) from the felt guiding hole; and a second cloth guiding hole is formed in the second yarn threading plate (11) above the first forming hole, and the second cloth guiding hole is parallel to the felt guiding hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222189829.3U CN218197065U (en) | 2022-08-19 | 2022-08-19 | Composite material pultrusion section bar preforming tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222189829.3U CN218197065U (en) | 2022-08-19 | 2022-08-19 | Composite material pultrusion section bar preforming tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218197065U true CN218197065U (en) | 2023-01-03 |
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ID=84658308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222189829.3U Active CN218197065U (en) | 2022-08-19 | 2022-08-19 | Composite material pultrusion section bar preforming tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218197065U (en) |
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2022
- 2022-08-19 CN CN202222189829.3U patent/CN218197065U/en active Active
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