Special-shaped carbon twisted wire extrusion forming tool for filling
By designing a tooling for extruding and forming irregularly shaped carbon twisted wire, which includes components such as a base, a tray support, and a guide wheel support, the problems of poor filling quality and low efficiency of carbon twisted wire were solved, and stable mass production of parts was achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHANGHE AIRCRAFT INDUSTRIES CORPORATION
- Filing Date
- 2025-04-08
- Publication Date
- 2026-04-24
AI Technical Summary
In existing technologies, the filling quality of carbon twisted wire in the molding process of composite parts cannot be guaranteed, resulting in low efficiency, unstable quality, and difficulty in achieving mass production.
A tooling for extruding and forming irregularly shaped carbon twisted yarns for filling is adopted, including components such as a base, a material tray support, a guide wheel support, an extrusion die support, a guide rail, a slide table, a pressure plate, a hand crank support, a wire rope reel, and a handle. Stable production is achieved by precisely controlling the shape and amount of carbon twisted yarns.
This ensured the shape and amount of carbon twisted wire, improved filling quality and efficiency, and enabled stable mass production of parts.
Smart Images

Figure CN224158916U_ABST
Abstract
Description
Technical Field
[0001] This invention belongs to the field of helicopter parts processing, specifically relating to a tooling for extruding and molding irregularly shaped carbon twisted wire for filling. Background Technology
[0002] Carbon twisted wire is a material that needs to be filled during the molding process of composite parts. For example, carbon twisted wire is needed to fill the corner areas of some I-beam parts, T-shaped parts, and cross-shaped parts, and the cross-sectional shape is also very diverse.
[0003] The current method involves workers filling the layers according to the site conditions during the part layup process. The amount and quality of the filling are entirely controlled by the workers themselves, which can lead to vastly different results depending on each person's skill level.
[0004] Such situations can lead to compromised filling quality, poor filling results, low efficiency, difficulty in quality control, and unstable quality. Summary of the Invention
[0005] This application provides a tooling for extruding and molding irregularly shaped carbon twisted wires for filling, which can solve the problems of inability to guarantee quality, poor filling effect and low efficiency during filling.
[0006] Technical solution: A tooling for extruding and forming profiled carbon twisted yarn for filling, comprising a base 1, a material tray support 2, a material tray 3, a guide wheel support 4, a guide wheel 5, an extrusion die support 6, an extrusion die 7, a guide rail 8, a slide table 9, a pressure plate 10, a hand crank support 11, a wire rope reel 12, a handle 13, a roller 14, and a wire rope 15, wherein:
[0007] The base 1 is rectangular, with a rectangular panel on top and four pairs of supporting legs below, forming a rectangular tabletop shape. The tray support 2 is an L-shaped support with screw and pin holes at the bottom and a straight rod on the side. One end of the straight rod connects to the side of the support, and the other end has a movable switch. The guide wheel support 4 is roughly shaped like an inverted π, with screw and pin holes on the base plate for connection to the base 1. It has square pillars on both sides with through holes at the top, in which a rotating shaft is installed. The extrusion mold support 6 is U-shaped with a groove in the middle and screw holes on the surface for extrusion. The pressing die is fixed with screw and pin holes on both sides for connection with the base 1; the extrusion die 7 consists of three parts, the shape of the middle inner cavity is determined by the shape of the part being extruded, and the size of one side is the same as the size of the part being extruded, while the size of the other side is larger than the shape of the part being extruded, forming a cone shape to facilitate the passage of the extruded material; the hand crank bracket 11 is a convex block with a circular hole at the top for mounting the roller 14 and a bolt hole at the bottom for connection with the base 1; the handle 13 is an oblong plate with a cylindrical rod mounted at one end and a circular hole at the other end for connection with the roller 14.
[0008] Specifically, a material tray bracket 2 is installed at the upper left corner of the base 1, a material tray 3 is installed on one side of the material tray bracket 2, and a guide wheel bracket 4 is installed at a position 100mm away from the material tray bracket 2 along the length direction of the base 1 to the right, with a guide wheel 5 installed on the guide wheel bracket 4.
[0009] Specifically, an extrusion mold support 6 is installed along the length of the base 1 to the right at a position 4100mm away from the guide wheel bracket, and an extrusion mold 7 is installed on the extrusion mold support 6.
[0010] Specifically, the height of the material hole of the extrusion die 7 is roughly the same as the height of the guide wheel 5, and a guide rail 8 is installed about 100mm away from the extrusion die support 6 along the length of the base 1 to the right.
[0011] Specifically, the guide rail 8 is approximately 4 meters long, and its length direction is consistent with that of the base 1; the center of the guide rail 8 is consistent with the center of the material hole of the extrusion die 7.
[0012] Specifically, a slide table 9 is installed on the guide rail 8. The slide table 9 moves left and right on the guide rail 8. A pressure plate 10 is installed on the slide table 9. A hand crank bracket 11 is installed 100mm away from the right side of the guide rail 8 along the length direction of the base 1 to the right.
[0013] Specifically, a roller 14 is installed on the hand crank bracket 11, and a wire rope reel 12 is installed on the roller 14 between the hand crank brackets 11.
[0014] Specifically, a wire rope 15 is wound on the wire rope reel 12, and the other end of the wire rope 15 is connected to the slide table 9. On one side of the hand crank bracket 11, a handle 13 is installed on one end of the roller 14.
[0015] In summary, the extrusion molding tool for shaped carbon twisted wire provided in this application extrudes carbon twisted wire with the required cross-sectional shape by using a dedicated extrusion tool. Compared with existing technical solutions, this ensures both the shape and quantity of carbon twisted wire, achieving stable production of parts and improving filling efficiency, thus enabling mass production of parts. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of a composite material part;
[0017] Figure 2 A schematic diagram of a tooling for extruding and molding profiled carbon twisted yarn for filling, provided in this application;
[0018] Among them: 1-base, 2-material tray support, 3-material tray, 4-guide wheel support, 5-guide wheel, 6-extrusion mold support, 7-extrusion mold, 8-guide rail, 9-slide table, 10-pressure plate, 11-hand crank support, 12-wire rope reel, 13-hand handle, 14-roller, 15-wire rope. Detailed Implementation
[0019] This invention proposes a tooling for extruding and molding irregularly shaped carbon twisted wire for filling, which manufactures the required pre-made parts, pre-forms them into the shape to be filled, greatly improves the filling quality, and also greatly improves the efficiency.
[0020] like Figure 1 As shown, the part to be extruded is a long strip with a small cross-section, consisting of three sides, two of which are arc-shaped and convex inward, forming a triangle overall. The length can be cut as needed.
[0021] Example 1
[0022] like Figure 2 As shown, this application provides a tooling for extruding and molding profiled carbon twisted yarn for filling, including a base 1, a material tray support 2, a material tray 3, a guide wheel support 4, a guide wheel 5, an extrusion die support 6, an extrusion die 7, a guide rail 8, a slide table 9, a pressure plate 10, a hand crank support 11, a wire rope reel 12, a handle 13, a roller 14, and a wire rope 15, wherein:
[0023] The base 1 is rectangular, with a rectangular panel on top and four pairs of supporting legs below, forming a rectangular tabletop shape. The tray support 2 is an L-shaped support with screw and pin holes at the bottom and a straight rod on the side. One end of the straight rod connects to the side of the support, and the other end has a movable switch. The guide wheel support 4 is roughly shaped like an inverted π, with screw and pin holes on the base plate for connection to the base 1. It has square pillars on both sides with through holes at the top, in which a rotating shaft is installed. The extrusion mold support 6 is U-shaped with a groove in the middle and screw holes on the surface for extrusion. The pressing die is fixed with screw and pin holes on both sides for connection with the base 1; the extrusion die 7 consists of three parts, the shape of the middle inner cavity is determined by the shape of the part being extruded, and the size of one side is the same as the size of the part being extruded, while the size of the other side is larger than the shape of the part being extruded, forming a cone shape to facilitate the passage of the extruded material; the hand crank bracket 11 is a convex block with a circular hole at the top for mounting the roller 14 and a bolt hole at the bottom for connection with the base 1; the handle 13 is an oblong plate with a cylindrical rod mounted at one end and a circular hole at the other end for connection with the roller 14.
[0024] Specifically, a material tray bracket 2 is installed at the upper left corner of the base 1, a material tray 3 is installed on one side of the material tray bracket 2, and a guide wheel bracket 4 is installed at a position 100mm away from the material tray bracket 2 along the length direction of the base 1 to the right, with a guide wheel 5 installed on the guide wheel bracket 4.
[0025] Specifically, an extrusion mold support 6 is installed along the length of the base 1 to the right at a position 4100mm away from the guide wheel bracket, and an extrusion mold 7 is installed on the extrusion mold support 6.
[0026] Specifically, the height of the material hole of the extrusion die 7 is roughly the same as the height of the guide wheel 5, and a guide rail 8 is installed about 100mm away from the extrusion die support 6 along the length of the base 1 to the right.
[0027] Specifically, the guide rail 8 is approximately 4 meters long, and its length direction is consistent with that of the base 1; the center of the guide rail 8 is consistent with the center of the material hole of the extrusion die 7.
[0028] Specifically, a slide table 9 is installed on the guide rail 8. The slide table 9 moves left and right on the guide rail 8. A pressure plate 10 is installed on the slide table 9. A hand crank bracket 11 is installed 100mm away from the right side of the guide rail 8 along the length direction of the base 1 to the right.
[0029] Specifically, a roller 14 is installed on the hand crank bracket 11, and a wire rope reel 12 is installed on the roller 14 between the hand crank brackets 11.
[0030] Specifically, a wire rope 15 is wound on the wire rope reel 12, and the other end of the wire rope 15 is connected to the slide table 9. On one side of the hand crank bracket 11, a handle 13 is installed on one end of the roller 14.
[0031] In summary, the extrusion molding tool for shaped carbon twisted wire provided in this application extrudes carbon twisted wire with the required cross-sectional shape by using a dedicated extrusion tool. Compared with existing technical solutions, this ensures both the shape and quantity of carbon twisted wire, achieving stable production of parts and improving filling efficiency, thus enabling mass production of parts.
[0032] Example 2
[0033] like Figure 2 As shown, this application provides an extrusion molding method using a tooling for extruding and molding profiled carbon twisted yarn for filling, comprising:
[0034] Step 1: When working, turn on the switch on the straight rod on one side of the tray support 2, install the tray 3 on the straight rod on one side of the tray support 2, and turn off the switch.
[0035] The strip material passes through guide roller 5 and extrusion die 7;
[0036] Step 2: Pull out one end of the material on the material tray 3 and pass it through the lower edge of the guide wheel 5 on the guide wheel bracket 4. The width of the guide wheel 5 is the same as the width of the material on the material tray 3.
[0037] Step 3: Pass the material end on the material tray 3 through the lower edge of the guide wheel 5 on the guide wheel bracket 4, and continue through the material hole of the extrusion die 7 on the extrusion die bracket 6.
[0038] Step 4: Move the slide 9 to the leftmost end of the guide rail 8.
[0039] Step 5: The end of the material on the tray 3, which passes through the material hole of the extrusion die 7 on the extrusion die support 6, is pressed onto the slide table 9 by the pressure plate 10.
[0040] Step 6: By rotating the handle 13, the wire rope 15 on the wire rope reel 12 is driven, and the slide table 9 is pulled by the wire rope 15, so that the slide table 9 moves from the leftmost end to the rightmost end of the guide rail 8. The material end on the material tray 3 also moves from the leftmost end to the rightmost end of the guide rail 8, moving nearly 4m. The material pulled out from the material tray 3 is extruded into parts with the corresponding cross-section by the extrusion die 7.
[0041] Step 7: Cut off the extruded strip.
[0042] Step 8: Repeat the above steps to extrude a strip of material.
Claims
1. A shaped carbon thread filling extrusion forming tool, characterized by, Includes a base (1), a tray support (2), a tray (3), a guide wheel support (4), a guide wheel (5), an extrusion die support (6), an extrusion die (7), a guide rail (8), a slide table (9), a pressure plate (10), a hand crank support (11), a wire rope reel (12), a handle (13), a roller (14), and a wire rope (15), wherein: The base (1) is rectangular, with a rectangular panel on top and four pairs of supporting feet below, forming a rectangular tabletop shape. The tray support (2) is an L-shaped support with screw and pin holes at the bottom and a straight rod on the side. One end of the straight rod is connected to the side of the support, and the other end of the straight rod has a movable switch. The guide wheel support (4) is roughly shaped like an inverted π. The base plate has screw and pin holes for connecting with the base (1). There are square columns on both sides with through holes at the top, and a rotating shaft is installed in the holes. The extrusion mold support (6) is U-shaped with a groove in the middle and screw holes on the surface for the extrusion mold. The tool is fixed with screw and pin holes on both sides for connection with the base (1); the extrusion mold (7) consists of three parts, the shape of the inner cavity in the middle is determined by the shape of the part being extruded, and the size of one side is the same as the size of the part being extruded, while the size of the other side is larger than the shape of the part being extruded, forming a cone shape to facilitate the passage of the extruded material; the hand crank bracket (11) is a convex block with a circular hole at the top for installing the roller (14) and a bolt hole at the bottom for connection with the base (1); the handle (13) is an oblong plate with a cylindrical rod installed at one end and a circular hole at the other end for connection with the roller (14).
2. The shaped carbon thread filling extrusion forming tooling of claim 1, wherein, A tray support (2) is installed at the upper left corner of the base (1), a tray (3) is installed on one side of the tray support (2), and a guide wheel support (4) is installed 100mm away from the tray support (2) along the length of the base (1) to the right. A guide wheel (5) is installed on the guide wheel support (4).
3. The shaped carbon thread filling extrusion forming tooling of claim 1, wherein, An extrusion die bracket (6) is installed 100 mm away from the guide wheel bracket (4) along the length direction of the base (1). An extrusion die (7) is installed on the extrusion die bracket (6).
4. The shaped carbon thread filling extrusion forming tooling of claim 1, wherein, The height of the material hole of the extrusion die (7) is roughly the same as the height of the guide wheel (5). A guide rail (8) is installed about 100 mm away from the extrusion die bracket (6) along the length of the base (1) to the right.
5. The shaped carbon thread filling extrusion forming tooling of claim 1, wherein, The guide rail (8) is about 4 meters long, and the length direction of the guide rail (8) is consistent with the length direction of the base (1); the center of the guide rail (8) is consistent with the center of the material hole of the extrusion die (7).
6. The shaped carbon thread filling extrusion forming tooling of claim 1, wherein, A slide (9) is installed on the guide rail (8). The slide (9) moves left and right on the guide rail (8). A pressure plate (10) is installed on the slide (9). A hand crank bracket (11) is installed 100mm away from the right side of the guide rail (8) along the length direction of the base (1).
7. The shaped carbon thread filling extrusion forming tooling of claim 1, wherein, A roller (14) is installed on the hand crank bracket (11), and a wire rope reel (12) is installed on the roller (14) between the hand crank brackets (11).
8. The shaped carbon thread filling extrusion forming tooling of claim 1, wherein, A wire rope (15) is wound on a wire rope reel (12), and the other end of the wire rope (15) is connected to a slide (9). On one side of the hand crank bracket (11), a handle (13) is installed on one end of a roller (14).