阅读说明：本技术 一种单向高速经编机 (one-way high-speed warp knitting machine ) 是由 吴超 谈源 沈蓝江 李春惠 陈香伟 王志强 *** 黄娟 葛飞虎 于 2019-10-18 设计创作，主要内容包括：本发明提供了一种单向高速经编机,包括：碳纤经纱纱架、送经装置、展纤装置、第一铺纬站、第二铺纬站、第三铺纬站、编织装置,其中,所述碳纤经纱纱架用以碳纤放卷；所述送经装置用以将碳纤竖直送入所述展纤装置中；所述第一铺纬站设置在所述展纤装置靠近所述编织装置的一侧,所述第二铺纬站和所述第三铺纬站设置在所述展纤装置远离所述编织装置的一侧,且,所述第二铺纬站转动设置。与现有技术相比,本发明提供的单向高速经编机,能够同时满足多种规格纤维织物的铺设,且,在不同规格切换时,只需要调整第二铺纬站的铺设角度,与转动碳纤经纱纱架相比,调整工作量小,且,占用面积小,节省空间。(the invention provides a unidirectional high-speed warp knitting machine, which comprises: the device comprises a carbon fiber warp yarn rack, a let-off device, a fiber spreading device, a first weft laying station, a second weft laying station, a third weft laying station and a weaving device, wherein the carbon fiber warp yarn rack is used for unreeling carbon fibers; the let-off device is used for vertically feeding carbon fibers into the fiber spreading device; the first weft laying station is arranged on one side, close to the weaving device, of the fiber spreading device, the second weft laying station and the third weft laying station are arranged on one side, far away from the weaving device, of the fiber spreading device, and the second weft laying station is arranged in a rotating mode. Compared with the prior art, the unidirectional high-speed warp knitting machine provided by the invention can simultaneously meet the laying requirements of fiber fabrics with various specifications, and only the laying angle of the second weft laying station needs to be adjusted when different specifications are switched.)

1. A unidirectional high speed warp knitting machine, comprising: the device comprises a carbon fiber warp yarn creel (1), a let-off device (2), a fiber spreading device (3), a first weft laying station (4), a second weft laying station (5), a third weft laying station (6) and a weaving device (7);

The carbon fiber warp yarn creel (1) is used for unreeling carbon fibers;

the let-off device (2) is used for vertically feeding carbon fibers into the fiber spreading device (3);

The first weft laying station (4) is arranged on one side, close to the weaving device (7), of the fiber spreading device (3), the second weft laying station (5) and the third weft laying station (6) are arranged on one side, far away from the weaving device (7), of the fiber spreading device (3), and the second weft laying station (5) is arranged in a rotating mode.

2. A unidirectional high-speed warp knitting machine according to claim 1, characterized in that when laying +85 °, 0 °, -85 ° fiber fabric, the second laying weft station (5) lays the +85 ° fiber yarn of the bottom layer, the fiber spreading device (3) lays the 0 ° fiber yarn of the middle layer, the first laying weft station (4) lays the-85 ° fiber yarn of the upper layer; when the fiber fabrics with the angle of +60 degrees, -60 degrees and 0 degrees are paved, the third weft paving station (6) paves the fiber yarns with the angle of +60 degrees of the bottom layer, the second weft paving station (5) paves the fiber yarns with the angle of-60 degrees of the middle layer, and the fiber spreading device (3) paves the fiber yarns with the angle of 0 degrees of the bottom layer.

3. A unidirectional high speed warp knitting machine according to claim 2, characterized by further comprising a yarn collecting device (8) to collect the fiber yarns on a plurality of said carbon fiber warp creels (1) within a preset width.

4. a unidirectional high-speed warp knitting machine according to claim 3, characterized in that it further comprises a yarn guiding device (9) for feeding the fiber yarn passing through the yarn collecting device (8) horizontally into the warp feeding device (2), the yarn guiding device (9) comprising a vertical yarn guiding unit (91) for controlling the position of the fiber yarn in the width direction, and a traverse yarn guiding unit (92), the traverse yarn guiding unit (92) for feeding the fiber yarn horizontally into the warp feeding device (2) after being layered uniformly.

5. unidirectional high-speed warp knitting machine according to claim 4, characterized in that said vertical yarn guiding unit (91) comprises several pairs of sets of parallel arranged yarn guiding rollers (911) for twisting fiber yarns.

6. A unidirectional high speed warp knitting machine according to claim 1, characterized in that the fiber spreading device (3) comprises a heating bar group (31), a vibrating bar group (32), a cylinder (33);

The heating rod groups (31) and the vibrating rod groups (32) are arranged alternately and in parallel in the vertical direction;

the air cylinder (33) is used for driving the heating rod group (31) to integrally slide along the horizontal direction.

7. A unidirectional high-speed warp knitting machine according to claim 6, characterized in that the heating bar group (31) comprises a plurality of heating bars (311) arranged longitudinally and parallel to each other, sliding plates (312) arranged at both ends of the heating bar group (31), and slide rails (313) for guiding the sliding direction of the sliding plates (312).

Technical Field

The invention relates to the technical field of fiber weaving, in particular to a unidirectional high-speed warp knitting machine.

background

The carbon fiber warp-knitted fabric has good overall performance, flexible design, good tensile property and tear resistance, and is widely applied to the fields of aerospace, wind power generation, light-weight construction of tracks and the like.

The existing warp knitting machines produce a single carbon fiber warp knitting fabric, that is, one warp knitting machine can produce only one type of carbon fiber warp knitting fabric, for example, warp knitting fabrics of +85 ° (glass fiber), 0 ° (carbon fiber), -85 ° (glass fiber) and warp knitting fabrics of +60 ° (glass fiber), -60 ° (glass fiber), 0 ° (carbon fiber) cannot be produced at the same time. And the use of two sets of equipment increases the cost of the enterprise.

In view of the above-mentioned drawbacks, the present designer is actively making research and innovation to create a unidirectional high-speed warp knitting machine, so as to make it more practical.

disclosure of Invention

In view of the above, the invention provides a unidirectional high-speed warp knitting machine, and aims to solve the technical problem that in the prior art, a warp knitting fabric produced by a warp knitting machine is single, and multiple types of warp knitting fabrics cannot be produced simultaneously.

The invention provides a unidirectional high-speed warp knitting machine, which comprises: the device comprises a carbon fiber warp yarn creel, a let-off device, a fiber spreading device, a first weft laying station, a second weft laying station, a third weft laying station and a weaving device;

The carbon fiber warp creel is used for unreeling carbon fibers;

The let-off device is used for vertically feeding carbon fibers into the fiber spreading device;

the first weft laying station is arranged on one side, close to the weaving device, of the fiber spreading device, the second weft laying station and the third weft laying station are arranged on one side, far away from the weaving device, of the fiber spreading device, and the second weft laying station is arranged in a rotating mode.

Further, when the fiber fabrics of +85 degrees, 0 degrees and-85 degrees are laid, the second weft laying station lays the fiber yarns of +85 degrees at the bottom layer, the fiber spreading device lays the fiber yarns of 0 degrees at the middle layer, and the first weft laying station lays the fiber yarns of-85 degrees at the upper layer; when the plus 60 degrees, -60 degrees and 0 degrees fiber fabrics are paved, the plus 60 degrees fiber yarns of the bottom layer are paved by the third weft paving station, the minus 60 degrees fiber yarns of the middle layer are paved by the second weft paving station, and the 0 degrees fiber yarns of the bottom layer are paved by the fiber paving device.

further, the device comprises a yarn collecting device used for collecting the fiber yarns on a plurality of the carbon fiber warp yarn creels within a preset width.

The yarn guide device comprises a vertical yarn guide unit and a transverse yarn guide unit, wherein the vertical yarn guide unit is used for controlling the position of the fiber yarns in the width direction, and the transverse yarn guide unit is used for horizontally conveying the fiber yarns into the let-off device after the fiber yarns are uniformly layered.

furthermore, the vertical yarn guide unit comprises a plurality of pairs of yarn guide roller sets which are arranged in parallel and are used for twisting fiber yarns.

Further, the fiber spreading device comprises a heating rod group, a vibrating rod group and a cylinder;

The heating rod groups and the vibrating rod groups are alternately and parallelly arranged in the vertical direction;

The air cylinder is used for driving the heating rod group to integrally slide along the horizontal direction.

Furthermore, the heating rod group comprises a plurality of heating rods which are longitudinally arranged and are parallel to each other, sliding plates which are arranged at two ends of the heating rod group, and sliding rails which are used for guiding the sliding direction of the sliding plates.

Compared with the prior art, the unidirectional high-speed warp knitting machine has the advantages that the first weft laying station and the second weft laying station lay +85 degrees, 0 degrees and-85 degrees of fiber fabrics, the second weft laying station and the third weft laying station lay +60 degrees, 60 degrees and 0 degrees of fiber fabrics, the laying of the fiber fabrics with various specifications can be simultaneously met, in addition, only the laying angle of the second weft laying station needs to be adjusted when different specifications are switched, and compared with a rotating carbon fiber warp yarn frame, the unidirectional high-speed warp knitting machine is small in adjusting workload, small in occupied area and space-saving.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

FIG. 1 is a schematic overall structure diagram of a unidirectional high-speed warp knitting machine according to an embodiment of the invention;

FIG. 2 is a partially enlarged view of a fiber spreading device according to an embodiment of the present invention;

Figure 3 is an enlarged view of a portion of a yarn guide roller set provided in accordance with an embodiment of the present invention;

reference numerals: 1. a carbon fiber warp yarn creel; 2. a let-off device; 3. a fiber spreading device; 31. a set of heating rods; 311. a heating rod; 312. a slide plate; 313. a slide rail; 32. a vibrating bar set; 33. a cylinder; 4. a first weft laying station; 5. a second weft laying station; 6. a third weft laying station; 7. a knitting device; 8. a yarn collecting device; 9. a yarn guide device; 91. a vertical yarn guide unit; 911. a yarn guide roller group; 92. and a traverse guide unit.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1 to 3, since it can be seen that the unidirectional high-speed warp knitting machine according to the embodiment of the present invention includes: carbon fiber warp yarn creel 1, let-off device 2, exhibition fine device 3, first shop's latitude station 4, second shop's latitude station 5, third shop's latitude station 6, weaving device 7, wherein, carbon fiber warp yarn creel 1 is used for the carbon fiber to unreel, let-off device 2 is used for sending into the exhibition fine device 3 with the carbon fiber is vertical, first shop's latitude station 4 sets up in the one side that exhibition fine device 3 is close to weaving device 7, second shop's latitude station 5 and third shop's latitude station 6 set up in the one side that exhibition fine device 3 keeps away from weaving device 7, and, second shop's latitude station 5 sets up in rotation. Compared with the prior art, the space layout is more reasonable, the adjustment of the carbon fiber warp yarn creel 1 is not needed when the fiber fabrics of various specifications are woven, the labor intensity during adjustment is reduced, and too much factory area cannot be occupied.

Taking the +85 degrees, 0 degrees, -85 degrees fiber fabrics and +60 degrees, -60 degrees and 0 degrees fiber fabrics as examples, when the +85 degrees, 0 degrees and-85 degrees fiber fabrics are laid, the second weft laying station 5 lays the +85 degrees fiber yarns of the bottom layer, the fiber spreading device 3 lays the 0 degrees fiber yarns of the middle layer, and the first weft laying station 4 lays the-85 degrees fiber yarns of the upper layer; when the plus 60 degrees, -60 degrees and 0 degrees fiber fabrics are paved, the third weft paving station 6 paves the plus 60 degrees fiber yarns of the bottom layer, the second weft paving station 5 paves the middle layer-60 degrees fiber yarns, and the fiber spreading device 3 paves the 0 degrees fiber yarns of the bottom layer. When weaving fiber fabrics with different specifications, only the laying angle of the second weft laying station 5 needs to be adjusted. The whole switching process is quick, convenient and safe.

as a preferred embodiment, since the height of the whole carbon fiber warp creel 1 is high, there is a certain danger that the platform fence needs to be reinforced and heightened particularly because the ladder is required to be operated up and down during threading.

As a preferred embodiment, each bobbin of the carbon fiber warp creel 1 is provided with an individual tension adjusting mechanism, and the tension adjusting mechanism may adopt an air expansion shaft in cooperation with a magnetic powder brake or adopt a spring and a belt, which is prior art and will not be described in detail herein.

In this embodiment, the let-off device 2 adopts four-roller let-off, the yarn collecting device 8 and the yarn guiding device 9 are sequentially arranged between the let-off device 2 and the carbon fiber warp creel 1, the yarn guiding device 9 comprises a vertical yarn guiding unit 91 and a transverse yarn guiding unit 92, wherein the vertical yarn guiding unit 91 comprises a plurality of pairs of yarn guiding roller sets 911 arranged in parallel, and during specific work, fiber yarns firstly pass through the yarn collecting device 8 to be collected in a certain width range. And then the position of the fiber yarn in the width direction is controlled by the S-shaped yarn guide roller group 911 of the vertical yarn guide unit 91, and the fiber yarn is twisted at the same time, so that the yarn is not split. Finally, the fiber yarns of 8 layers are concentrated into 4 layers by the transverse yarn guide unit 92, the height of each layer is ensured to be consistent with the warp feeding height of the four rollers, and the fiber yarns are horizontally fed into the warp feeding device 2.

In this embodiment, the fiber spreading device 3 includes a heating rod set 31, a vibration rod set 32, and a cylinder 33, wherein the heating rod set 31 and the vibration rod set 32 are alternately and parallelly disposed in the vertical direction, and the cylinder 33 is used to drive the heating rod set 31 to integrally slide along the horizontal direction. Specifically, the heating rod set 31 includes a plurality of heating rods 311 arranged longitudinally and parallel to each other, sliding plates 312 arranged at two ends of the heating rod set 31, and a sliding rail 313 for guiding a sliding direction of the sliding plates 312. The setting of cylinder 33 for when carrying out the wire winding, need not S-shaped threading, before the threading, cylinder 33 can push away heater bar group 31 rightmost end, and then, can leave about 80mm between the vibrating spear of heater bar 311 and next layer and thread the clearance, and fibre yarn can directly wear to the bottom from the top, and after the threading is accomplished, cylinder 33 pulls back heater bar group 31 again, forms the wave, heats exhibition fibre. The whole process is greatly convenient for threading.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.