A high-performance special fiber multi-layer loom weft insertion mechanism

Abstract

The application discloses a weft hanging mechanism of a high-performance special fiber multi-layer loom, which comprises a weft hanging component mounting seat, wherein a KNK module is arranged on the weft hanging component mounting seat, a sword head guide groove is arranged on the right side of the initial end of the slider stroke of the KNK module, a weft sword head is arranged on the right side of the sword head guide groove through a group of rigid sword rods, and a weft thread clamp is arranged on the right side of the terminal end of the slider stroke of the KNK module; a weft thread push rod is arranged on the slider of the KNK module, a fully-closed sliding table module is arranged on the left side of the weft hanging component mounting seat, a sliding table of the fully-closed sliding table module is connected with the weft hanging component mounting seat through a movable connecting component, a sliding table module mounting seat is arranged on the main body of the fully-closed sliding table module, and a rotating shaft component is arranged on the weft hanging component mounting seat. The weft thread of the high-performance special fiber multi-layer fabric can be hung and fixed when the weft thread is introduced, so that the problem of local bending of the high-performance special fiber multi-layer fabric caused by insufficient weft thread tension is solved.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of high-performance fiber multi-layer loom, and relates to a weft hanging mechanism of a high-performance special fiber multi-layer loom. BACKGROUND

[0002] At present, the weft insertion mechanism of the loom is a free end at both ends, which has little influence on ordinary fabrics, but for the multi-layer fabric of high-performance special fibers (carbon fibers, glass fibers, quartz fibers and basalt fibers), the weft will locally bend due to insufficient weft tension in the beating-up process, which will cause uneven fabric organization. Therefore, in the production process of high-performance special fiber multi-layer fabric required in some confidential special fields, artificial weft hanging is still used to meet the production needs, which is not only labor-intensive, but also low in efficiency. SUMMARY

[0003] In order to overcome the shortcomings of the prior art, the present application provides a weft hanging mechanism of a high-performance special fiber multi-layer loom to solve the problem of local bending of the organization in the beating-up process due to insufficient weft tension.

[0004] To solve the above technical problems and achieve the above technical effects, the present application realizes the following technical scheme:

[0005] A weft hanging mechanism of a high-performance special fiber multi-layer loom, comprising a weft hanging assembly mounting seat, a KNK module with a sliding block movable back and forth along the Y direction is arranged on the weft hanging assembly mounting seat, a sword head guide groove for allowing the weft insertion sword head to extend into or exit along the X direction and allowing the weft to move out horizontally along the Y direction is arranged on the right side of the sliding block stroke start end of the KNK module, and the sword head guide groove is fixedly connected with the weft hanging assembly mounting seat, the weft insertion sword head is arranged on the right side of the sword head guide groove through a group of rigid sword rods, and the weft insertion sword head realizes extension into or exit from the sword head guide groove along the X direction through the rigid sword rods, a weft clip for temporarily storing the closed end of several layers of weft is arranged on the right side of the sliding block stroke end of the KNK module, and the weft clip is fixedly connected with the weft hanging assembly mounting seat through a weft clip mounting seat; a weft push rod for translating the closed end of the weft from the weft insertion sword head extending into the sword head guide groove into the weft clip is arranged on the sliding block of the KNK module, a fully-closed sliding table module with a sliding table movable back and forth along the Z direction is arranged on the left side of the weft hanging assembly mounting seat, the sliding table of the fully-closed sliding table module is connected with the weft hanging assembly mounting seat through a movable connection assembly, a sliding table module mounting seat for fixed connection with the loom rack is arranged on the main body of the fully-closed sliding table module, and a rotating shaft assembly for rotating connection with the loom rack is arranged on the weft hanging assembly mounting seat.

[0006] Further, the weft pushing rod comprises a weft pushing rod main plate for connecting with the slider of the KNK module, and a weft closing end hook is arranged on the rear end of the right side of the weft pushing rod main plate.

[0007] Further, the weft pushing rod comprises a weft pushing rod main plate for connecting with the slider of the KNK module, and a weft closing end hook is arranged on the rear end of the right side of the weft pushing rod main plate.

[0008] Further, when the weft sword head is inserted into the sword head guide groove, the position height of the gap between the two tabs corresponds to the position height of the weft closing end hook, and the gap distance between the two tabs is greater than the thickness of the weft closing end hook.

[0009] Further, the sword head guide groove comprises a sword head guide groove vertical plate parallel to the KNK module, the lower part of the sword head guide groove vertical plate is fixedly connected with the weft mounting seat, the upper part of the sword head guide groove vertical plate is provided with a sword head guide through hole penetrating through the left and right surfaces thereof, the diameter of the sword head guide through hole is greater than the diameter of the sword head body, and a weft forward movement gap is arranged on the sword head guide through hole and communicates with the front edge end surface of the sword head guide groove vertical plate.

[0010] Further, when the sword head guide groove is fixed on the weft mounting seat, the position height of the weft forward movement gap corresponds to the position height of the weft closing end hook, and the opening size of the weft forward movement gap is greater than the diameter of the weft.

[0011] Further, the weft clip comprises a weft clip vertical plate parallel to the KNK module, the lower part of the weft clip vertical plate is fixedly connected with the weft clip mounting seat, a horizontal weft clamping groove is arranged on the upper part of the rear side of the weft clip vertical plate, an oval opening is arranged on the front side of the upper part of the weft clip vertical plate to facilitate the expansion of the weft clamping groove gap, an arc surface guide opening is arranged on the rear edge end surface of the weft clip vertical plate to facilitate the smooth embedding of the weft into the weft clamping groove, the front end of the weft clamping groove communicates with the oval opening, and the rear end of the weft clamping groove communicates with the arc surface guide opening.

[0012] Further, when the weft clip is fixed on the weft mounting seat, the position height of the weft clamping groove corresponds to the position height of the weft closing end hook, and the gap distance of the weft clamping groove is less than the diameter of the weft.

[0013] Further, the active connection assembly is composed of a universal joint bearing, a joint bearing guide block, a weft hanging rod shaft, a straight sleeve type bearing, a universal joint bearing mounting plate and a weft hanging rod shaft mounting plate, the weft hanging rod shaft mounting plate is fixed on the weft hanging assembly mounting seat, the universal joint bearing mounting plate is fixed on the slide table of the full-closed slide table module, the connecting rod end of the universal joint bearing is arranged in the universal joint bearing mounting plate, the connecting rod end of the joint bearing guide block is arranged in the spherical hole end of the universal joint bearing, the weft hanging rod shaft is arranged in the through hole end of the joint bearing guide block through the straight sleeve type bearing, and one end of the weft hanging rod shaft is connected with the weft hanging rod shaft mounting plate on the weft hanging assembly mounting seat.

[0014] Further, the straight sleeve type bearing is a copper alloy inlaid solid lubrication straight sleeve type bearing.

[0015] Further, the rotating shaft assembly is composed of a rotating shaft seat, a rotating shaft and a rotating shaft connecting plate, the rotating shaft seat is fixed on the weft hanging assembly mounting seat, the shaft hole end of the rotating shaft connecting plate is rotationally connected with the rotating shaft seat through the rotating shaft, and the flat plate end of the rotating shaft connecting plate is fixedly connected with the loom frame through a screw.

[0016] The present application has the following advantages:

[0017] The present application has the following advantages:

[0018] The above description is only a summary of the technical scheme of the present application, in order to more clearly understand the technical means of the present application, and the content of the specification can be implemented, the following preferred embodiments of the present application are described in detail with the help of the drawings. The specific embodiments of the present application are given in detail by the following examples and drawings. BRIEF DESCRIPTION OF DRAWINGS

[0019] The drawings described herein are used to provide further understanding of the present application, and form a part of the present application, the schematic embodiments of the present application and the description thereof are used to explain the present application, and do not constitute improper limitation on the present application. In the drawings:

[0020] Figure 1 It is a right side structure perspective view of the present application;

[0021] Figure 2 It is a left side structure perspective view of the present application;

[0022] Figure 3The installation schematic diagram of the components of the present application except the weft insertion sword head and its push-pull rod assembly on the weft hanging side of the loom frame;

[0023] Figure 4 The installation schematic diagram of the weft insertion sword head and its push-pull rod assembly of the present application on the weft insertion side of the loom frame;

[0024] Figure 5 The structural schematic diagram of the weft insertion push rod of the present application;

[0025] Figure 6 The structural schematic diagram of the weft insertion sword head of the present application;

[0026] Figure 7 The structural schematic diagram of the sword head guide slot of the present application;

[0027] Figure 8 The structural schematic diagram of the weft insertion sword head of the present application;

[0028] Figure 9 The structural schematic diagram of the movable connection assembly of the present application;

[0029] Figure 10 The structural schematic diagram of the pivot assembly of the present application. DETAILED DESCRIPTION

[0030] The present application will be described in detail below with reference to the accompanying drawings and embodiments. The description here is used to provide further understanding of the present application, and forms a part of the present application. The illustrative embodiments of the present application and their description are used to explain the present application, and do not constitute improper limitation of the present application.

[0031] Reference is made to Figures 1-4As shown, a high-performance special fiber multi-layer loom weft mechanism, including a weft component mounting seat 1, the weft component mounting seat 1 is provided with a KNK module 2, the slider of which can move back and forth along the Y direction, the right side of the slider stroke start of the KNK module 2 is provided with a sword head guide groove 4 for allowing the weft sword head 3 to extend into or exit along the X direction and allowing the weft to move out horizontally along the Y direction, and the sword head guide groove 4 is fixedly connected with the weft component mounting seat 1, the weft sword head 3 is arranged on the right side of the sword head guide groove 4 through a group of rigid sword rods 5, and the weft sword head 3 is realized by the rigid sword rod 5 to extend into or exit the sword head guide groove 4 along the X direction, the right side of the slider stroke end of the KNK module 2 is provided with a weft clip 6 for temporarily storing several layers of weft closed end, the weft clip 6 is fixedly connected with the weft component mounting seat 1 through the weft clip mounting seat 12; the slider of the KNK module 2 is provided with a weft push rod 7 for translating the weft closed end from the weft sword head 3 extending into the sword head guide groove 4 into the weft clip 6, the left side of the weft component mounting seat 1 is provided with a fully enclosed sliding platform module 8, the sliding platform of which can move back and forth along the Z direction, the sliding platform of the fully enclosed sliding platform module 8 is connected with the weft component mounting seat 1 through a movable connection assembly 9, the main body of the fully enclosed sliding platform module 8 is provided with a sliding platform module mounting seat 10 for fixedly connecting with the loom rack, the weft component mounting seat 1 is provided with a rotating shaft assembly 11 for rotatingly connecting with the loom rack.

[0032] Further, referring to Figure 5 As shown, the weft push rod 7 includes a weft push rod main plate 701 for connecting with the slider of the KNK module 2, the rear end of the right side of the weft push rod main plate 701 is provided with a weft closed end hook 702 bent forward.

[0033] Further, referring to Figure 6 As shown, the weft sword head 3 includes a sword head body 301, the right end of the sword head body 301 is provided with a sword head push-pull connecting rod connecting part 302, the left end of the sword head body 301 is provided with two tabs 303 symmetrical upward and downward, two weft through holes 304 are formed in the two tabs 303, and the positions of the two weft through holes 304 correspond upward and downward.

[0034] Further, when the weft sword head 3 extends into the sword head guide groove 4, the position height of the gap between the two tabs 303 corresponds to the position height of the weft closed end hook 702, and the gap distance between the two tabs 303 is greater than the thickness of the weft closed end hook 702.

[0035] Further, referring to Figure 7As shown, the sword head guide groove 4 includes a sword head guide groove vertical plate 401 parallel to the KNK module 2, the lower part of the sword head guide groove vertical plate 401 is fixedly connected with the weft mounting seat 1, the upper part of the sword head guide groove vertical plate 401 is provided with a sword head guide through hole 402 penetrating through the left and right surfaces thereof, and the aperture of the sword head guide through hole 402 is greater than the diameter of the sword head body 301, and the sword head guide through hole 402 is provided with a weft forward movement gap 403 in communication with the front edge end surface of the sword head guide groove vertical plate 401.

[0036] Further, when the sword head guide groove 4 is fixed on the weft mounting seat 1, the position height of the weft forward movement gap 403 corresponds to the position height of the weft closed end hook 702, and the opening size of the weft forward movement gap 403 is greater than the diameter of the weft.

[0037] Further, referring to Figure 8 As shown, the weft clip 6 includes a weft clip vertical plate 601 parallel to the KNK module 2, the lower part of the weft clip vertical plate 601 is fixedly connected with the weft clip mounting seat 12, the upper part of the rear side of the weft clip vertical plate 601 is provided with a horizontal weft clip groove 602, the upper part of the front side of the weft clip vertical plate 601 is provided with an oval opening 603 facilitating the gap expansion of the weft clip groove 602, the rear edge end surface of the weft clip vertical plate 601 is provided with an arc surface guide port 604 facilitating the smooth embedding of the weft into the weft clip groove 602, the front end of the weft clip groove 602 is in communication with the oval opening 603, and the rear end of the weft clip groove 602 is in communication with the arc surface guide port 604.

[0038] Further, when the weft clip 6 is fixed on the weft mounting seat 1, the position height of the weft clip groove 602 corresponds to the position height of the weft closed end hook 702, and the gap distance of the weft clip groove 602 is less than the diameter of the weft.

[0039] Further, referring to Figure 9As shown, the active connection assembly 9 is composed of a universal joint bearing 901, a joint bearing guide block 902, a weft hanging rod shaft 903, a straight sleeve type bearing 904, a universal joint bearing mounting plate 905 and a weft hanging rod shaft mounting plate 906, the weft hanging rod shaft mounting plate 906 is fixed on the weft hanging assembly mounting seat 1, the universal joint bearing mounting plate 905 is fixed on the slide table of the fully-enclosed slide table module 8, the connecting rod end of the universal joint bearing 901 is arranged in the universal joint bearing mounting plate 905, the connecting rod end of the joint bearing guide block 902 is arranged in the spherical hole end of the universal joint bearing 901, the weft hanging rod shaft 903 is arranged in the through hole end of the joint bearing guide block 902 through the straight sleeve type bearing 904, and one end of the weft hanging rod shaft 903 is connected with the weft hanging rod shaft mounting plate 906 on the weft hanging assembly mounting seat 1.

[0040] Further, the straight sleeve type bearing 904 is a copper alloy inlaid solid lubricating straight sleeve type bearing 904.

[0041] Further, referring to Figure 10 As shown, the rotating shaft assembly 11 is composed of a rotating shaft seat 1101, a rotating shaft 1102 and a rotating shaft connecting plate 1103, the rotating shaft seat 1101 is fixed on the weft hanging assembly mounting seat 1, the shaft hole end of the rotating shaft connecting plate 1103 is rotationally connected with the rotating shaft seat 1101 through the rotating shaft 1102, and the flat plate end of the rotating shaft connecting plate 1103 is fixedly connected with the loom frame through a screw.

[0042] The working process of the present application is as follows:

[0043] The weft insertion sword head 3 and the rigid sword rod 5 of the present application are located on the weft insertion side of the loom frame, and the remaining components are located on the weft hanging side of the loom frame. When the weft yarn passes through the two weft yarn through holes 304 on the weft insertion sword head 3, a closed end required for weft yarn hanging is formed in the gap between the two weft yarn through holes 304.

[0044] The weft sword head 3 is pushed by the rigid sword rod 5 to send the weft into the sword head guide through hole 402 of the sword head guide slot 4, the weft push rod 7 is driven by the slider of the KNK module 2 to move a distance from the initial position to the direction of the weft clamp 6, so that the weft closed end hook 702 hooks the weft closed end in the gap between the two weft through holes 304 of the weft sword head 3, then the weft sword head 3 is pulled out from the sword head guide through hole 402 of the sword head guide slot 4 to the right under the pull of the rigid sword rod 5, so as to complete the weft leading work from the loom rack weft leading side to the weft hanging side; in the process of the weft sword head 3 retreat, the weft push rod 7 is further driven by the slider of the KNK module 2 to move to the direction of the weft clamp 6, the weft closed end is dragged out of the weft forward gap 403 of the sword head guide slot 4 and translated to the weft clamp groove 602 of the weft clamp 6, thus the weft leading of the layer is completed, and at the same time, the whole layer of weft is moved forward under the cooperation of the weft shifting mechanism in the initial position of the weft sword head 3, finally the weft push rod 7 is reset to the initial position under the drive of the slider of the KNK module 2, waiting for the next weft hanging work.

[0045] When the next layer of weft leading work is needed, the full-closed sliding table module 8 moves the weft hanging assembly mounting seat 1 and the components above it by a layer height distance along the Z direction through the sliding table and the movable connection assembly 9, at the same time, the weft hanging assembly mounting seat 1 is rotatably connected with the loom rack through the rotating shaft assembly 11, so as to ensure the stability of the mechanism, then the weft sword head 3 is pushed by the rigid sword rod 5 to send the weft into the sword head guide through hole 402 of the sword head guide slot 4, to complete the next layer of weft hanging and weft leading work, after the whole layer of weft is embedded in the weft clamp groove 602 of the weft clamp 6, then a beat-up work is carried out.

[0046] The mechanism can hang and fix one end of the high-performance special fiber weft when leading the multi-layer fabric of high-performance special fibers such as carbon fiber, glass fiber, quartz fiber and basalt fiber, so as to ensure the tension of the high-performance special fiber weft, avoid the local bending of the high-performance special fiber weft due to insufficient tension in the process of reed beat-up, and effectively solve the problem of local bending of the multi-layer fabric of high-performance special fibers.

[0047] The above only describes the preferred embodiments of the present application and is not used to limit the present application, and the present application can have various changes and variations for those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A weft hanging mechanism for a high-performance special fiber multilayer loom, characterized in that: The system includes a weft insertion assembly mounting base (1), on which a KNK module (2) is mounted, the slider of which can move back and forth in the Y direction. A guide groove (4) is provided on the right side of the beginning of the slider stroke of the KNK module (2) to allow the weft insertion rapier (3) to extend or retract in the X direction and to allow the weft yarn to move horizontally out in the Y direction. The guide groove (4) is fixedly connected to the weft insertion assembly mounting base (1). The weft insertion rapier (3) is mounted on the right side of the guide groove (4) via a set of rigid rapier rods (5), and the weft insertion rapier (3) extends or retracts in the guide groove (4) in the X direction via the rigid rapier rods (5). A weft clip (6) is provided on the right side of the end of the slider stroke of the KNK module (2) to temporarily store the closed ends of several layers of weft yarn. The weft clip (6) is fixedly connected to the weft hanging component mounting base (1) via the weft clip mounting base (12); the slider of the KNK module (2) is provided with a weft push rod (7) for moving the closed end of the weft yarn from the weft insertion scissor (3) that extends into the scissor guide groove (4) and hanging it into the weft clip (6); the left side of the weft hanging component mounting base (1) is provided with a fully enclosed slide module (8) whose slide table can move back and forth in the Z direction; the slide table of the fully enclosed slide module (8) is connected to the weft hanging component mounting base (1) via a movable connecting component (9); the main body of the fully enclosed slide module (8) is provided with a slide module mounting base (10) for fixed connection with the loom frame; the weft hanging component mounting base (1) is provided with a rotating shaft assembly (11) for rotating connection with the loom frame. The weft push rod (7) includes a weft push rod main board (701) for connecting with the slider of the KNK module (2), and a forward-bent weft closing end hook (702) is provided at the rear end of the right side of the weft push rod main board (701). The rotating shaft assembly (11) consists of a rotating shaft seat (1101), a rotating shaft (1102), and a rotating shaft connecting plate (1103). The rotating shaft seat (1101) is fixed on the weft mounting bracket (1). The shaft hole end of the rotating shaft connecting plate (1103) is rotatably connected to the rotating shaft seat (1101) through the rotating shaft (1102). The flat end of the rotating shaft connecting plate (1103) is fixedly connected to the loom frame by screws.

2. The weft hanging mechanism of the high-performance special fiber multilayer loom according to claim 1, characterized in that: The weft insertion scissor head (3) includes a scissor head body (301). The right end of the scissor head body (301) is provided with a scissor head push-pull connecting rod connection part (302). The left end of the scissor head body (301) is provided with two symmetrical protrusions (303). Each of the two protrusions (303) is provided with a weft yarn through hole (304). The positions of the two weft yarn through holes (304) are vertically corresponding.

3. The weft hanging mechanism of the high-performance special fiber multilayer loom according to claim 2, characterized in that: When the weft insertion scimitar (3) is inserted into the scimitar guide groove (4), the position height of the gap between the two protrusions (303) corresponds to the position height of the weft yarn closing end hook (702), and the gap distance between the two protrusions (303) is greater than the thickness of the weft yarn closing end hook (702).

4. The weft hanging mechanism of the high-performance special fiber multilayer loom according to claim 2, characterized in that: The sword tip guide groove (4) includes a sword tip guide groove upright plate (401) parallel to the KNK module (2). The lower part of the sword tip guide groove upright plate (401) is fixedly connected to the weft mounting bracket (1). The upper part of the sword tip guide groove upright plate (401) is provided with a sword tip guide through hole (402) penetrating its left and right surfaces. The diameter of the sword tip guide through hole (402) is larger than the diameter of the sword tip body (301). A weft yarn forward movement notch (403) is provided on the sword tip guide through hole (402) and communicates with the front edge end face of the sword tip guide groove upright plate (401).

5. The weft hanging mechanism of the high-performance special fiber multilayer loom according to claim 4, characterized in that: When the sword tip guide groove (4) is fixed on the weft hanging assembly mounting base (1), the position height of the weft yarn forward movement notch (403) corresponds to the position height of the weft yarn closed end hook (702), and the opening size of the weft yarn forward movement notch (403) is larger than the diameter of the weft yarn.

6. The weft hanging mechanism of the high-performance special fiber multilayer loom according to claim 2, characterized in that: The weft clip (6) includes a weft clip upright plate (601) parallel to the KNK module (2). The lower part of the weft clip upright plate (601) is fixedly connected to the weft clip mounting base (12). A horizontal weft clip groove (602) is provided on the upper rear side of the weft clip upright plate (601). An elliptical opening (603) is provided on the upper front side of the weft clip upright plate (601) to facilitate the expansion of the gap of the weft clip groove (602). An arc-shaped guide opening (604) is provided on the rear edge end face of the weft clip upright plate (601) to facilitate the smooth insertion of the weft yarn into the weft clip groove (602). The front end of the weft clip groove (602) is connected to the elliptical opening (603), and the rear end of the weft clip groove (602) is connected to the arc-shaped guide opening (604).

7. The weft hanging mechanism of the high-performance special fiber multilayer loom according to claim 6, characterized in that: When the weft clip (6) is fixed on the weft hanging assembly mounting base (1), the position height of the weft clip groove (602) corresponds to the position height of the weft closed end hook (702), and the gap of the weft clip groove (602) is smaller than the diameter of the weft yarn.

8. The weft hanging mechanism of the high-performance special fiber multilayer loom according to claim 1, characterized in that: The movable connection assembly (9) consists of a universal joint bearing (901), a joint bearing guide block (902), a weft shaft (903), a straight sleeve bearing (904), a universal joint bearing mounting plate (905), and a weft shaft mounting plate (906). The weft shaft mounting plate (906) is fixed on the weft assembly mounting base (1), and the universal joint bearing mounting plate (905) is fixed on the slide of the fully enclosed slide module (8). The connecting rod end of the bearing (901) passes through the universal joint bearing mounting plate (905), the connecting rod end of the joint bearing guide block (902) passes through the spherical hole end of the universal joint bearing (901), the weft rod shaft (903) passes through the through hole end of the joint bearing guide block (902) through the straight sleeve bearing (904), and one end of the weft rod shaft (903) is connected to the weft rod shaft mounting plate (906) on the weft assembly mounting base (1).

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