Forming tool platform for bionic three-dimensional fabric and working method of forming tool platform

Abstract

The invention relates to the technical field of textile machinery, in particular to a forming tool platform for bionic three-dimensional fabric and a working method of the forming tool platform. The forming tool platform comprises a base, a three-degree-of-freedom positioning mechanism and a positioning auxiliary mechanism, the three-degree-of-freedom positioning mechanism and the positioning auxiliary mechanism are installed on the base, and the base is used for supporting the three-degree-of-freedom positioning mechanism and the positioning auxiliary mechanism and used for flatly laying cloth to be formed. The three-degree-of-freedom positioning mechanism is used for pressing the surface of the to-be-formed cloth so as to control the forming node position of the bionic fabric, and the positioning auxiliary mechanism is used for supporting the three-degree-of-freedom positioning mechanism. According to the technical scheme provided by the invention, the preparation of the high-layer bionic three-dimensional fabric can be realized.

Description

Technical Field

[0001] The invention relates to the technical field of textile machinery, and in particular to a bionic three-dimensional fabric forming tooling platform and a working method thereof. Background Art

[0002] Bionic composite materials are a new type of structural core material that is lightweight, high-performance and can be matched with design. They can meet the requirements of lightweight, high strength and high stiffness of composite sandwich structure systems. They are an important manifestation of the advanced nature of high-performance lightweight composite structures.

[0003] At present, bionic three-dimensional fabrics are usually formed by machine weaving technology. Although there is no restriction in the length direction, they are limited by the capacity of the yarn storage mechanism. Usually, the number of bionic layers does not exceed 10, making it difficult to be widely used.

[0004] Therefore, there is an urgent need for a bionic three-dimensional fabric forming tooling platform and a working method thereof to solve the above technical problems. Summary of the invention

[0005] The embodiment of the present invention provides a bionic three-dimensional fabric forming tooling platform and a working method thereof, which can realize the preparation of a bionic three-dimensional fabric with a high number of layers.

[0006] In the first aspect, an embodiment of the present invention provides a bionic three-dimensional fabric forming tooling platform, comprising a base, a three-degree-of-freedom positioning mechanism and a positioning auxiliary mechanism, wherein the three-degree-of-freedom positioning mechanism and the positioning auxiliary mechanism are installed on the base, and the base is used to support the three-degree-of-freedom positioning mechanism and the positioning auxiliary mechanism and to flatten the fabric to be formed, the three-degree-of-freedom positioning mechanism is used to press the surface of the fabric to be formed to control the forming node position of the bionic fabric, and the positioning auxiliary mechanism is used to support the three-degree-of-freedom positioning mechanism.

[0007] In some possible designs, the base includes a module positioning plate, a work surface, a connecting plate and a guide rail positioning plate, the module positioning plate, the work surface and the guide rail positioning plate are installed on the connecting plate, the module positioning plate and the guide rail positioning plate are located on both sides of the work surface, the three-degree-of-freedom positioning mechanism is installed on the module positioning plate, the positioning auxiliary mechanism is installed on the guide rail positioning plate, and the work surface is used to lay the fabric to be formed.

[0008] In some possible designs, the three-degree-of-freedom positioning mechanism includes an X-axis adjustment module, a Z-axis adjustment module and a Y-axis ruler. The X-axis adjustment module is installed on the module positioning plate, the Z-axis adjustment module is installed on the X-axis adjustment module, one end of the Y-axis ruler is installed on the Z-axis adjustment module, and the other end is connected to the positioning auxiliary mechanism. The X-axis adjustment module is used to control the forming row spacing of the bionic fabric, the Z-axis adjustment module is used to adjust the thickness of the paving fabric on the work surface, and the Y-axis ruler is used to control the forming node spacing of the bionic fabric and cooperate with the Z-axis adjustment module to press the paving fabric.

[0009] In some possible designs, the X-axis adjustment module includes an X-axis linear guide and an X-axis module slider, the Z-axis adjustment module includes a Z-axis linear guide and a Z-axis module slider, the X-axis linear guide is installed on the module positioning plate, the X-axis module slider can slide along the X-axis linear guide, the Z-axis linear guide is installed on the X-axis module slider, the Z-axis module slider can slide along the Z-axis linear guide, and one end of the Y-axis scale is installed on the Z-axis module slider.

[0010] In some possible designs, the positioning auxiliary mechanism includes a positioning auxiliary guide rail, a positioning auxiliary slider, a transfer block, an adjusting nut, a locking nut and an adjusting screw. The positioning auxiliary guide rail is installed on the guide rail positioning plate, the positioning auxiliary slider can slide along the positioning auxiliary guide rail, the transfer block is installed on the positioning auxiliary slider, the adjusting screw is installed on the transfer block and is perpendicular to the upper surface of the base, the adjusting screw passes through the other end of the Y-axis scale, the adjusting nut is installed on the lower surface of the Y-axis scale, and the locking nut is installed on the upper surface of the Y-axis scale.

[0011] In a second aspect, an embodiment of the present invention provides a working method of a forming tooling platform as described in any one of the above embodiments, comprising:

[0012] S1, laying a first layer of fabric to be formed on the work surface and fixing it, and then laying a second layer of fabric to be formed on the first layer of fabric to be formed and fixing it;

[0013] S2, loosen the adjusting nut, and adjust the Z-axis module slider to make the Y-axis ruler drop to a preset height above the second layer of fabric to be formed;

[0014] S3, adjusting the X-axis module slider to move the Y-axis scale to the initial molding position;

[0015] S4, adjusting the Z-axis module slider so that the lower surface of the Y-axis ruler is in close contact with the upper surface of the second layer of fabric to be formed;

[0016] S5, tightening the adjusting nut and the locking nut so that the Y-axis ruler presses flatly against the upper surface of the second layer of fabric to be formed;

[0017] S6, controlling the fiber introduction position, and forming the first layer of the fabric to be formed and the second layer of the fabric to be formed into a single-layer honeycomb bionic fabric;

[0018] S7, using the second layer of fabric to be formed as a new first layer of fabric to be formed, using the third layer of fabric to be formed as a new second layer of fabric to be formed, and looping steps S1 to S6 until the weaving of the bionic three-dimensional fabric is completed.

[0019] The embodiment of the present invention provides a bionic three-dimensional fabric forming tooling platform and a working method thereof. By installing a three-degree-of-freedom positioning mechanism and a positioning auxiliary mechanism on a base, the three-degree-of-freedom positioning mechanism can press the surface of the fabric to be formed to control the position of the forming node of the bionic fabric, and the positioning auxiliary mechanism is used to support the three-degree-of-freedom positioning mechanism. In this way, precise control of the nodes can be achieved, the regularity of the bionic structure can be ensured, and the product quality can be improved; and the preparation of large-size and high-layer bionic three-dimensional fabrics can be achieved; in addition, this solution can achieve multiple groups of simultaneous operations on bionic three-dimensional fabrics, significantly improving product production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 It is a structural schematic diagram of a forming tooling platform of a bionic three-dimensional fabric provided in an embodiment of the present invention;

[0022] Figure 2 yes Figure 1 A schematic diagram of the structure of the base in the molding tooling platform shown;

[0023] Figure 3 yes Figure 1 A schematic diagram of the structure of a three-degree-of-freedom positioning mechanism in the molding tooling platform shown;

[0024] Figure 4 yes Figure 1 The structural schematic diagram of the positioning auxiliary mechanism in the forming tooling platform shown. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0026] like Figure 1 As shown, an embodiment of the present invention provides a bionic three-dimensional fabric forming tooling platform, which includes a base 1, a three-degree-of-freedom positioning mechanism 2 and a positioning auxiliary mechanism 3, the three-degree-of-freedom positioning mechanism 2 and the positioning auxiliary mechanism 3 are installed on the base 1, the base 1 is used to support the three-degree-of-freedom positioning mechanism 2 and the positioning auxiliary mechanism 3 and to flatten the fabric to be formed, the three-degree-of-freedom positioning mechanism 2 is used to press the surface of the fabric to be formed to control the forming node position of the bionic fabric, and the positioning auxiliary mechanism 3 is used to support the three-degree-of-freedom positioning mechanism 2.

[0027] In this embodiment, by installing the three-degree-of-freedom positioning mechanism 2 and the positioning auxiliary mechanism 3 on the base 1, the three-degree-of-freedom positioning mechanism 2 can press the surface of the fabric to be formed to control the position of the forming node of the bionic fabric, and the positioning auxiliary mechanism 3 is used to support the three-degree-of-freedom positioning mechanism 2. In this way, the nodes can be precisely controlled, the regularity of the bionic structure can be ensured, and the product quality can be improved; and the preparation of large-size and high-layer bionic three-dimensional fabrics can be realized; in addition, this solution can realize multiple groups of simultaneous operations on the bionic three-dimensional fabric, significantly improving the product production efficiency.

[0028] like Figure 2 As shown, in one embodiment of the present invention, the base 1 includes a module positioning plate 11, a work surface 12, a connecting plate 13 and a guide rail positioning plate 14, the module positioning plate 11, the work surface 12 and the guide rail positioning plate 14 are installed on the connecting plate 13, the module positioning plate 11, the work surface 12 and the guide rail positioning plate 14 are arranged completely parallel, the module positioning plate 11 and the guide rail positioning plate 14 are located on both sides of the work surface 12, the three-degree-of-freedom positioning mechanism 2 is installed on the module positioning plate 11, the positioning auxiliary mechanism 3 is installed on the guide rail positioning plate 14, and the work surface 12 is used for flattening the fabric to be formed.

[0029] like Figure 3As shown, in one embodiment of the present invention, the three-degree-of-freedom positioning mechanism 2 includes an X-axis adjustment module 21, a Z-axis adjustment module 22 and a Y-axis scale 23. The X-axis adjustment module 21 is installed on the module positioning plate 11, the Z-axis adjustment module 22 is installed on the X-axis adjustment module 21, one end of the Y-axis scale 23 is installed on the Z-axis adjustment module 22, and the other end is connected to the positioning auxiliary mechanism 3. The X-axis adjustment module 21 is used to control the forming line spacing of the bionic fabric, the Z-axis adjustment module 22 is used to adjust the thickness of the paving fabric on the work table 12, and the Y-axis scale 23 is used to control the forming node spacing of the bionic fabric, and cooperates with the Z-axis adjustment module 22 to press the paving fabric.

[0030] In this embodiment, the Z-direction adjustment module 22 and the Y-direction scale 23 in the three-degree-of-freedom positioning mechanism 2 are at least one group.

[0031] In one embodiment of the present invention, the X-axis adjustment module 21 includes an X-axis linear guide 211 and an X-axis module slider 212, and the Z-axis adjustment module 22 includes a Z-axis linear guide 221 and a Z-axis module slider 222. The X-axis linear guide 211 is installed on the module positioning plate 11, and the X-axis module slider 212 can slide along the X-axis linear guide 211. The Z-axis linear guide 221 is installed on the X-axis module slider 212, and the Z-axis module slider 222 can slide along the Z-axis linear guide 221. One end of the Y-axis scale 23 is installed on the Z-axis module slider 222.

[0032] In this embodiment, the X-axis adjustment module 21 adopts a gear rack transmission mechanism, wherein multiple X-axis module sliders 212 can be installed simultaneously on the X-axis linear guide rail 211, and the Z-axis adjustment module 22 adopts but is not limited to gear racks, screw nuts, synchronous belts and other transmission mechanisms. Each X-axis module slider 211 carries a set of Z-axis adjustment modules 22 and Y-axis scale 23, which move horizontally along the X-axis to a specified position to complete the control of the bionic fabric forming line spacing; the Z-axis module slider 222 carries a Y-axis scale 23 and moves vertically along the Z-axis to the surface of the layered fabric and brakes, completing the adaptation to the thickness of the layered fabric and the pressing of the layered fabric; the needle falls close to the scale on the Y-axis scale 23 to complete the introduction of the node fiber.

[0033] In some embodiments, the X-axis module slider 212 and the Z-axis module slider 222 are driven by, but not limited to, manual or motor.

[0034] like Figure 4As shown, in one embodiment of the present invention, the positioning auxiliary mechanism 3 includes a positioning auxiliary guide rail 31, a positioning auxiliary slider 32, a transfer block 33, an adjusting nut 34, a locking nut 35 and an adjusting screw 36. The positioning auxiliary guide rail 31 is installed on the guide rail positioning plate 14, the positioning auxiliary slider 32 can slide along the positioning auxiliary guide rail 31, the transfer block 33 is installed on the positioning auxiliary slider 32, the adjusting screw 36 is installed on the transfer block 33 and is perpendicular to the upper surface of the base 1, and moves with the X-axis module slider 212, the adjusting screw 36 passes through the other end of the Y-axis scale 23, the adjusting nut 34 is installed on the lower surface of the Y-axis scale 23, and the locking nut 35 is installed on the upper surface of the Y-axis scale 23.

[0035] In this embodiment, the adjusting nut 34 is adjusted as the height of the Y-axis scale changes, and its height position is adjusted so that the Y-axis scale 23 is flat and close to the surface of the laid fabric; tightening the locking nut 35 presses the upper surface of the Y-axis scale 23 to achieve the function of fixing the end of the Y-axis scale 23.

[0036] In some application scenarios, such as during the forming process of honeycomb bionic fabrics, it is often necessary to precisely control the width of the honeycomb core nest edge, the straightness of the forming stitches, and the spacing between the forming nodes.

[0037] In addition, an embodiment of the present invention further provides a working method of the forming tooling platform as mentioned in any of the above embodiments, comprising:

[0038] S1, laying a first layer of fabric to be formed flat on the work surface 13 and fixing it, and then laying a second layer of fabric to be formed flat on the first layer of fabric to be formed and fixing it;

[0039] S2, loosen the adjustment nut 34, adjust the Z-axis module slider 222, and make the Y-axis scale 23 drop to a preset height above the second layer of fabric to be formed;

[0040] S3, adjusting the X-axis module slider 212 to move the Y-axis scale 23 to the initial molding position;

[0041] S4, adjusting the Z-axis module slider 222 so that the lower surface of the Y-axis ruler 23 is in close contact with the upper surface of the second layer of fabric to be formed;

[0042] S5, tighten the adjusting nut 34 and the locking nut 35 so that the Y-axis scale 23 presses flatly against the upper surface of the second layer of fabric to be formed;

[0043] S6, controlling the fiber introduction position, and forming the first layer of the fabric to be formed and the second layer of the fabric to be formed into a single-layer honeycomb bionic fabric;

[0044] S7, using the second layer of fabric to be formed as a new first layer of fabric to be formed, using the third layer of fabric to be formed as a new second layer of fabric to be formed, and looping steps S1 to S6 until the weaving of the (honeycomb-type) bionic three-dimensional fabric is completed.

[0045] It can be understood that the method embodiment and the embodiment of the forming tooling platform provided by the present invention are based on the same inventive concept, and both have the same beneficial effects, and the beneficial effects of the method embodiment will not be elaborated herein.

[0046] It should be noted that, in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical factors in the process, method, article or device including the elements.

[0047] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A bionic three-dimensional fabric forming tooling platform, characterized in that: The invention comprises a base (1), a three-degree-of-freedom positioning mechanism (2) and a positioning auxiliary mechanism (3), wherein the three-degree-of-freedom positioning mechanism (2) and the positioning auxiliary mechanism (3) are mounted on the base (1), the base (1) is used to support the three-degree-of-freedom positioning mechanism (2) and the positioning auxiliary mechanism (3) and to lay out the fabric to be formed, the three-degree-of-freedom positioning mechanism (2) is used to press the surface of the fabric to be formed so as to control the position of the forming node of the bionic fabric, and the positioning auxiliary mechanism (3) is used to support the three-degree-of-freedom positioning mechanism (2).

2. The forming tooling platform according to claim 1, characterized in that: The base (1) comprises a module positioning plate (11), a work surface (12), a connecting plate (13) and a guide rail positioning plate (14); the module positioning plate (11), the work surface (12) and the guide rail positioning plate (14) are mounted on the connecting plate (13); the module positioning plate (11) and the guide rail positioning plate (14) are located on both sides of the work surface (12); the three-degree-of-freedom positioning mechanism (2) is mounted on the module positioning plate (11); the positioning auxiliary mechanism (3) is mounted on the guide rail positioning plate (14); and the work surface (12) is used for laying out the fabric to be formed.

3. The forming tooling platform according to claim 2, characterized in that: The three-degree-of-freedom positioning mechanism (2) comprises an X-direction adjustment module (21), a Z-direction adjustment module (22) and a Y-direction scale (23); the X-direction adjustment module (21) is mounted on the module positioning plate (11); the Z-direction adjustment module (22) is mounted on the X-direction adjustment module (21); one end of the Y-direction scale (23) is mounted on the Z-direction adjustment module (22) and the other end is connected to the positioning auxiliary mechanism (3); the X-direction adjustment module (21) is used to control the forming line spacing of the bionic fabric; the Z-direction adjustment module (22) is used to adjust the thickness of the layered fabric on the work surface (12); and the Y-direction scale (23) is used to control the forming node spacing of the bionic fabric and cooperate with the Z-direction adjustment module (22) to press the layered fabric.

4. The forming tooling platform according to claim 3, characterized in that: The X-axis adjustment module (21) comprises an X-axis linear guide rail (211) and an X-axis module slider (212); the Z-axis adjustment module (22) comprises a Z-axis linear guide rail (221) and a Z-axis module slider (222); the X-axis linear guide rail (211) is mounted on the module positioning plate (11); the X-axis module slider (212) can slide along the X-axis linear guide rail (211); the Z-axis linear guide rail (221) is mounted on the X-axis module slider (212); the Z-axis module slider (222) can slide along the Z-axis linear guide rail (221); and one end of the Y-axis scale (23) is mounted on the Z-axis module slider (222).

5. The forming tooling platform according to claim 4, characterized in that: The positioning auxiliary mechanism (3) comprises a positioning auxiliary guide rail (31), a positioning auxiliary slider (32), a transfer block (33), an adjusting nut (34), a locking nut (35) and an adjusting screw (36); the positioning auxiliary guide rail (31) is mounted on the guide rail positioning plate (14); the positioning auxiliary slider (32) can slide along the positioning auxiliary guide rail (31); the transfer block (33) is mounted on the positioning auxiliary slider (32); the adjusting screw (36) is mounted on the transfer block (33) and is perpendicular to the upper surface of the base (1); the adjusting screw (36) passes through the other end of the Y-axis scale (23); the adjusting nut (34) is mounted on the lower surface of the Y-axis scale (23); and the locking nut (35) is mounted on the upper surface of the Y-axis scale (23).

6. A method for operating the forming tooling platform according to claim 5, characterized in that: include: S1, laying a first layer of fabric to be formed flat on the work surface (13) and fixing it, and then laying a second layer of fabric to be formed flat on the first layer of fabric to be formed and fixing it; S2, loosening the adjusting nut (34), adjusting the Z-axis module slider (222), and lowering the Y-axis scale (23) to a preset height above the second layer of fabric to be formed; S3, adjusting the X-axis module slider (212) to move the Y-axis scale (23) to the initial molding position; S4, adjusting the Z-direction module slider (222) so that the lower surface of the Y-direction ruler (23) is in close contact with the upper surface of the second layer of fabric to be formed; S5, tightening the adjusting nut (34) and the locking nut (35) so that the Y-axis scale (23) presses flatly against the upper surface of the second layer of fabric to be formed; S6, controlling the fiber introduction position, and forming the first layer of the fabric to be formed and the second layer of the fabric to be formed into a single-layer honeycomb bionic fabric; S7, using the second layer of fabric to be formed as a new first layer of fabric to be formed, using the third layer of fabric to be formed as a new second layer of fabric to be formed, and looping steps S1 to S6 until the weaving of the bionic three-dimensional fabric is completed.

Images