Multi-axial warp knitting machine for knitting carbon fiber fabric

Abstract

The utility model discloses a multiaxial warp knitting machine for weaving carbon fiber fabrics, which comprises a frame and a sliding frame arranged on the frame, a rotating mechanism is arranged on the sliding frame, a warp frame is connected onto the rotating mechanism, the rotating mechanism comprises a rotating wheel and a rack, the rotating wheel is rotatably connected to the sliding frame, and the rack is connected with the sliding frame. The rack is in transmission connection with the rotating wheel, and the warp creel is driven by the rotating mechanism to keep rotating. According to the multi-axial warp knitting machine for knitting the carbon fiber fabric, the rack of the rotating mechanism drives the rotating wheel to keep rotating and can drive the warp frame connected to the rotating mechanism to keep rotating, so that the warp knitting angle in the carbon fiber knitting process can be adjusted, the warp knitting angle can be adjusted more conveniently, and the warp knitting efficiency is improved. And the carbon fiber fabric can be conveniently woven.

Description

Technical Field

[0001] The utility model relates to the technical field of carbon fiber weaving equipment production, and more specifically to a multi-axial warp knitting machine for carbon fiber fabric weaving. Background Art

[0002] Carbon fiber has good fatigue resistance, a small coefficient of thermal expansion, good corrosion resistance, and low density. Therefore, it is lightweight and has been used in new energy vehicle battery boxes.

[0003] According to the invention patent application with the patent number: CN103334221B and the publication date of December 17, 2014, the carbon fiber multi-axial warp knitting machine includes a headstock component, a front-end working mechanism of the headstock, and a weft laying mechanism. The headstock component is arranged between the front-end working mechanism of the headstock and the weft laying mechanism. The front-end working mechanism of the headstock includes a cutting mechanism, a pulling mechanism, and a winding mechanism. A cloth support and a cloth support transmission component are arranged on the weft laying frame of the weft laying mechanism. Yarn clamping needle rows are arranged on both sides of the cloth support, and the yarn clamping needle rows are fixed on a chain conveying component; A plurality of weft laying and fiber spreading yarn racks are arranged beside the weft laying frame, and the weft laying and fiber spreading yarn racks form an angle with the weft laying frame; A cross beam spanning the weft laying frame is connected to the front end of the weft laying and fiber spreading yarn rack, and a weft laying trolley that can reciprocate on the cross beam is arranged on the cross beam; A weft breaking component is fixed on the weft laying frame beside each weft laying and fiber spreading yarn rack; The weft laying trolley is connected to the guide rail on the cross beam through rollers, and the weft laying trolley is connected to a motor through a synchronous belt; A ball screw nut is fixed on the weft laying trolley, and a yarn clamp is fixed on the nut of the ball screw nut; The weft breaking component includes a base, and the base is fixed on the weft laying yarn rack; Two ball screws that can move up and down are fixed on the base, a slider is connected between the two ball screws, and a weft breaking blade is connected to the lower end of the slider. Its main technical effect is: By arranging weft laying and fiber spreading yarn racks with angles of -45°, 90°, and 45° to lay three layers of carbon fiber yarns at different angles on the cloth support respectively, and finally laying the fourth layer of carbon fiber yarn through the 0° yarn let-off head, and feeding these four layers of carbon fiber yarns into the headstock component. The headstock component bundles the four layers of carbon fiber with binding yarns to form a carbon fiber woven fabric.

[0004] When weaving carbon fiber, due to the production of different carbon fiber woven fabrics, it is necessary to adjust the warp knitting angle during the weaving process. In the prior art, most of the warp beam frames of warp knitting machines are set at fixed angles. Therefore, a multi-axial warp knitting machine for carbon fiber fabric weaving is proposed, aiming to solve the problem that most of the warp beam frames of warp knitting machines in the prior art are set at fixed angles and cannot flexibly adjust the angle of the warp beam frame according to production requirements. Summary of the Utility Model

[0005] The purpose of the present utility model is to provide a multi-axial warp knitting machine for carbon fiber fabric weaving, aiming to solve the problem that in the prior art, most of the warp beam supports of warp knitting machines are set at a fixed angle and cannot flexibly adjust the angle of the warp beam support according to production requirements.

[0006] To achieve the above purpose, the present utility model provides the following technical solutions:

[0007] A multi-axial warp knitting machine for carbon fiber fabric weaving includes a frame, and further includes a sliding frame arranged on the frame. A rotating mechanism is arranged on the sliding frame, and a warp beam support is connected to the rotating mechanism. The rotating mechanism includes a rotating wheel and a rack. The rotating wheel is rotatably connected to the sliding frame, and the rack is in transmission connection with the rotating wheel. The warp beam support is driven to rotate by the rotating mechanism.

[0008] Preferably, a connecting shaft is fixedly installed on the sliding frame. The rotating wheel is rotatably connected to the connecting shaft. A plug-in shaft is arranged on the outer wall of the rotating wheel, and a plug-in groove is arranged on the outer wall of one side of the warp beam support. The warp beam support is plugged with the plug-in shaft through the plug-in groove.

[0009] Preferably, a support member is arranged on the sliding frame. A plug-in rod is fixedly installed on the outer wall of one side of one end of the warp beam support. A rotating rod is rotatably connected to the support member. A sliding groove is arranged at the end of the rotating rod. The rotating rod is slidably connected with the plug-in rod through the sliding groove.

[0010] Preferably, the rotating mechanism further includes a driving unit. The driving unit is fixedly installed on the outer wall of one side of the sliding frame. A connecting block is arranged at the output end of the driving unit. The connecting block is fixedly connected to the rack. A tooth opening is arranged on the outer wall of the rotating wheel. The rack meshes with the rotating wheel.

[0011] In the above technical solution, the multi-axial warp knitting machine for carbon fiber fabric weaving provided by the present utility model has the following beneficial effects:

[0012] In this utility model, the rotation of the rotating wheel is driven by the rack of the rotating mechanism, so that the warp beam support connected to the rotating mechanism can be driven to rotate, thereby the warp knitting angle in the carbon fiber weaving process can be adjusted, the warp knitting angle can be adjusted more conveniently, and further the carbon fiber fabric weaving can be facilitated. Description of the Drawings

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings.

[0014] Figure 1 Schematic diagram of the overall structure provided by an embodiment of the present utility model;

[0015] Figure 2 Schematic diagram of the rotating structure of the warp beam provided by an embodiment of the present utility model;

[0016] Figure 3 Schematic diagram of the mounting structure of the warp beam provided by an embodiment of the present utility model;

[0017] Figure 4 Schematic diagram of the disassembled structure of the warp beam provided by an embodiment of the present utility model.

[0018] Explanation of reference numerals:

[0019] 1, frame; 2, sliding frame; 23, support member; 24, rotating rod; 25, chute; 3, rotating mechanism; 31, rotating wheel; 32, rack; 33, insertion shaft; 34, drive unit; 35, connecting block; 4, warp beam; 41, insertion rod; 43, insertion groove. Specific embodiments

[0020] In order to enable those skilled in the art to better understand the technical solutions of the present utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0021] Please refer to Figure 1 —4, a multi-axial warp knitting machine for carbon fiber fabric weaving, including a frame 1, and further including a sliding frame 2 provided on the frame 1, a rotating mechanism 3 is provided on the sliding frame 2, a warp beam 4 is connected to the rotating mechanism 3, the rotating mechanism 3 includes a rotating wheel 31 and a rack 32, the rotating wheel 31 is rotatably connected to the sliding frame 2, the rack 32 is in driving connection with the rotating wheel 31, and the warp beam 4 is driven to rotate by the rotating mechanism 3.

[0022] Specifically, a sliding frame 2 is slidably connected to the frame 1. The sliding structure between the sliding frame 2 and the frame 1 is a prior art and will not be elaborated here. A rotating mechanism 3 is provided on the sliding frame 2, and a warp beam 4 is provided on the rotating mechanism 3. Specifically, the rotating mechanism 3 includes a rotating wheel 31 and a rack 32. The rotating wheel 31 is rotatably connected to the sliding frame 2, and the rack 32 is slidably connected to the sliding frame 2. The rotating wheel 31 can be driven to rotate by the rack 32. Specifically, the warp beam 4 is connected to the rotating wheel 31. As a further embodiment provided by the present utility model, a connecting shaft is fixedly installed at the mid-axis of the outer wall on one side of the sliding frame 2, and the rotating wheel 31 is rotatably connected to the connecting shaft, and the rotating wheel 31 can freely rotate on the connecting shaft. Further, a plug shaft 33 is fixed on the outer wall on one side of the rotating wheel 31, and a plug slot 43 is provided on the warp beam 4. The warp beam 4 is plugged with the plug shaft 33 through the plug slot 43, so that the rotating wheel 31 can drive the warp beam 4 to rotate while rotating, thereby being able to change the warp knitting angle.

[0023] Further, as Figure 2 shown, support members 23 are provided at both ends of the sliding frame 2. Plug rods 41 are fixedly installed on the outer walls at both ends of the warp beam 4. A rotating rod 24 is rotatably connected to the outer wall of the support member 23 through a bearing. A sliding groove 25 is formed on the outer wall of the rotating rod 24 away from the support member 23. The warp beam 4 is slidably connected to the inside of the sliding groove 25 through the plug rod 41 provided on the outer wall of the end portion. When the rotating wheel 31 drives the warp beam 4 to rotate, the rotating rod 24 can be synchronously driven to rotate by the rotation of the warp beam 4, thereby being able to play a certain supporting role on both ends of the warp beam 4 and reducing the shaking during use.

[0024] As an embodiment provided by the present utility model, as Figure 3 shown, the rotating mechanism 3 further includes a driving unit 34. Specifically, the driving unit 34 is fixedly installed on the outer wall on one side of the sliding frame 2. The output end of the driving unit 34 is fixedly connected to a connecting block 35, and the connecting block 35 is fixedly connected to the rack 32, so that the connecting block 35 can be driven to rotate by the driving unit 34 and finally drive the warp beam 4 to rotate. Specifically, the driving unit 34 can be a conventional mechanical driving component such as a lead screw motor or a cylinder.

[0025] In this utility model, the rotating wheel 31 is driven to rotate by the rack 32 of the rotating mechanism 3, which can drive the warp beam 4 connected to the rotating mechanism 3 to rotate, thereby being able to adjust the warp knitting angle during the carbon fiber knitting process, being able to more conveniently adjust the warp knitting angle, and further being able to facilitate the carbon fiber fabric knitting.

[0026] It should be noted that only the rotation driving structure of the warp beam 4 is provided in the present utility model embodiment. The specific structure and working principle of the warp beam 4 are prior arts, so the description is omitted.

[0027] Those skilled in the art can understand that other similar connection methods can also implement the present utility model. For example, methods such as welding, bonding or screwing.

[0028] Only some exemplary embodiments of the present utility model have been described above by way of illustration. Without doubt, for those of ordinary skill in the art, the described embodiments can be modified in various different ways without departing from the spirit and scope of the present utility model. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the protection scope of the claims of the present utility model.

Claims

1. A multi-axial warp knitting machine for weaving carbon fiber fabrics, comprising a frame (1), characterized in that: The machine also comprises a sliding frame (2) arranged on the frame (1), the sliding frame (2) being provided with a rotating mechanism (3), the rotating mechanism (3) being connected to a warp frame (4), the rotating mechanism (3) comprising a rotating wheel (31) and a rack (32), the rotating wheel (31) being rotatably connected to the sliding frame (2), the rack (32) being in transmission connection with the rotating wheel (31), and the warp frame (4) being driven to rotate by the rotating mechanism (3).

2. A multi-axial warp knitting machine for weaving carbon fiber fabric according to claim 1, characterized in that: A connecting shaft is fixedly mounted on the sliding frame (2), the rotating wheel (31) is rotatably connected to the connecting shaft, a plug-in shaft (33) is arranged on the outer wall of the rotating wheel (31), a plug-in groove (43) is arranged on the outer wall of one side of the warp frame (4), and the warp frame (4) is plugged with the plug-in shaft (33) through the plug-in groove (43).

3. A multi-axial warp knitting machine for weaving carbon fiber fabric according to claim 2, characterized in that: The sliding frame (2) is provided with a support member (23), and a plug-in rod (41) is fixedly installed on the outer wall of one side of one end of the warp frame (4). A rotating rod (24) is rotatably connected to the support member (23), and a sliding groove (25) is provided at the end of the rotating rod (24). The rotating rod (24) maintains a sliding connection with the plug-in rod (41) through the sliding groove (25).

4. A multi-axial warp knitting machine for weaving carbon fiber fabric according to claim 1, characterized in that: The rotating mechanism (3) further comprises a driving unit (34), the driving unit (34) being fixedly mounted on an outer wall of one side of the sliding frame (2), a connecting block (35) being provided at an output end of the driving unit (34), the connecting block (35) being fixedly connected to a rack (32), a tooth opening being provided on an outer wall of the rotating wheel (31), and the rack (32) being meshed with the rotating wheel (31).

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