CN211142385U - Glass fiber warp knitting machine - Google Patents

Abstract

The utility model provides a glass fiber warp knitting machine, include: the short-cutting device can cut the short-cut yarns to obtain short-cut fibers; a conveying assembly capable of receiving and conveying chopped fibers; the let-off component is provided with a plurality of mounting parts arranged at intervals, and each mounting part can be used for mounting a yarn drum wound with yarn; the yarn guide assembly can guide out the yarns on each yarn drum and sew the chopped fibers conveyed by the conveying assembly to obtain grey cloth; and a winding device capable of winding the raw fabric. According to the utility model discloses a glass fiber warp knitting machine has reduced place usable floor area, has reduced corresponding manual operation simultaneously, and the cost is reduced has improved rate of opening and production efficiency to yarn on every yarn section of thick bamboo can be adjusted wantonly according to sending the yarn demand, has improved the qualification rate of fabric.

Description

Glass fiber warp knitting machine

Technical Field

The utility model relates to a yarn warp knitting field especially relates to a glass fiber warp knitting machine.

Background

The machine for knitting glass fiber fabrics is generally composed of a transmission mechanism, a let-off mechanism, a traversing mechanism, a scutching mechanism, a chopping mechanism, a conveying belt mechanism and a drawing and winding mechanism, and is used for knitting glass fiber fabric products, such as chopped strand mat fabrics.

At present, the pan head let-off device of the common glass fiber warp knitting machine is used for warping hundreds of yarns onto the pan head by the warping machine, and then the pan heads are strung on warp beams, and the yarn feeding amount of each warp beam is controlled by a program. The prior glass fiber warp knitting machine has the following defects:

1. the product fabric has thickness, different yarn consumption and inconsistent yarn tension occur in the weaving process, so that the yarns shake, and defects are easily generated on the cloth surface;

2. the warping machine and the pan head are required to be used for preprocessing the yarns, so that a large workshop area is occupied;

3. in the production and operation process, warping workers and loading and unloading workers of the complete process need to be equipped, so that the labor cost is high;

4. after the pan head is used up, the pan head needs to be stopped to replace and thread, so that the starting rate is influenced, and the production efficiency is low;

5. the yarn is warped by adopting a pan head, so that the loss is large each time, and the cost is increased;

6. the cloth cover horizontal strips can be generated when the pan head is replaced every time, and more waste cloth is generated.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a glass fiber warp knitting machine, this glass fiber warp knitting machine simple structure, occupation space is little, and is with low costs, production efficiency is high.

According to the utility model discloses glass fiber warp knitting machine, include: a chopping device capable of chopping the yarn to obtain chopped fibers; a conveyor assembly capable of receiving and conveying the chopped fibers; the let-off component is provided with a plurality of mounting parts arranged at intervals, and each mounting part can be used for mounting a yarn drum wound with yarns; the yarn guide assembly can guide out yarns on each yarn drum and sew the chopped fibers conveyed by the conveying assembly to obtain grey cloth; a winding device capable of winding the raw fabric.

According to the utility model discloses glass fiber warp knitting machine installs respectively through the yarn section of thick bamboo that will convolute the yarn and send the warp subassembly on directly sending the yarn, need not drop into complete machine equipment in addition and coiled hair and carry out the preliminary treatment to the yarn, has reduced the place usable floor area, has reduced corresponding manual operation simultaneously, and the cost is reduced has improved rate of opening and production efficiency to yarn on every yarn section of thick bamboo can be according to sending the yarn demand to adjust wantonly, has improved the qualification rate of fabric.

According to an embodiment of the utility model, the conveying subassembly includes the conveyer belt, the conveyer belt movably is established short the below of device in order to receive and carry short fibre.

According to the utility model discloses an embodiment, the let-off subassembly forms the rectangle framework that extends along vertical direction, every the installation department forms respectively into the body of rod that extends along the horizontal direction, and is a plurality of vertical direction spaced apart distribution is followed to the installation department, every the one end of installation department with the let-off subassembly links to each other, every the unsettled installation that is used for of the other end of installation department the yarn section of thick bamboo.

According to the utility model discloses an embodiment, the installation department is two sets of and establishes respectively on two montants that extend along vertical direction of let-off subassembly, two sets of the installation department sets up relatively.

According to the utility model discloses an embodiment, the middle part of let-off subassembly is equipped with and extends and be located along vertical direction the epaxial bracing piece of symmetry of let-off subassembly, the installation department is established on the bracing piece.

According to the utility model discloses an embodiment, the installation department is two sets of and the symmetry is established the both sides of bracing piece.

According to the utility model discloses an embodiment, every apex angle punishment of let-off subassembly is equipped with the dead lever respectively, every the both ends of dead lever respectively with two adjacent limits of let-off subassembly link to each other.

According to the utility model discloses an embodiment, it includes to lead the yarn subassembly: a tensioner connectable to the yarn of each of the bobbins and adjusting a tension of each of the yarns; and the threading plate is arranged at the downstream of the tensioner, and a plurality of yarns pass through the threading plate and are gathered by the threading plate.

According to the utility model discloses an embodiment, it still includes to lead the yarn subassembly: the yarn guide compensation device is arranged at the downstream of the yarn threading plate; the yarn dividing needle can divide the yarns passing through the yarn guide compensation device; and the yarn guide needle is used for respectively guiding out the yarns subjected to yarn splitting and sewing the chopped fibers.

According to an embodiment of the present invention, the chopped fibers are glass fibers.

Drawings

FIG. 1 is a schematic view of a partial structure of a prior art glass fiber warp knitting machine;

FIG. 2 is a schematic view of the structure of FIG. 1 at another angle;

FIG. 3 is a schematic structural view of a glass fiber warp knitting machine according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a let-off assembly of a glass fiber warp knitting machine according to an embodiment of the present invention;

fig. 5 is a schematic structural view of another let-off assembly of the glass fiber warp knitting machine according to the embodiment of the present invention.

Reference numerals:

a glass fiber warp knitting machine 100;

a chopping device 10; a delivery assembly 20; a conveyor belt 21;

a let-off assembly 30; a mounting portion 31; a support bar 32; a fixing lever 33;

a yarn guide assembly 40; a tensioner 41; a threading plate 42; a yarn guide compensation device 43; a yarn separating needle 44; a yarn guide needle 45;

a winding device 50; a bobbin 60.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention is an invention and creation made by the inventors of the present application based on the following facts.

As shown in fig. 1 and 2, in a conventional glass fiber warp knitting machine, a pan head warp feeding device 1 feeds yarns, the pan head warp feeding device 1 warps hundreds of yarns onto a pan head 2 by a warping machine, and then several pan heads 2 are strung on a warp beam 3, and the yarn feeding amount of each warp beam is controlled by a program.

However, when weaving a glass fiber product, since the chopped fibers fall on the conveyor belt in the free falling process, the deviation of the local yarn splitting performance is easy to exist, the gram weight of the chopped yarns fluctuates in real time in the programming process, when the chopped yarns are thick, more binding yarns are needed, and when the chopped yarns are thin, less binding yarns are needed. When the pan head let-off device 1 is used for yarn feeding, the condition that the actual yarn consumption of the cloth surface is inconsistent exists, and the active yarn feeding mode is only suitable for integral adjustment, is not suitable for adjustment of local single yarn and is not suitable for real-time adjustment. This has resulted in the prior art glass fiber warp knitting machines having a number of drawbacks as noted in the background.

Based on the above technical problems in the prior art, the inventors of the present application have made extensive studies and experiments to provide a novel glass fiber warp knitting machine 100.

A glass fiber warp knitting machine 100 according to an embodiment of the present invention will be described in detail below with reference to the drawings.

As shown in fig. 3 to 5, a glass fiber warp knitting machine 100 according to an embodiment of the present invention includes: a chopping device 10, a conveying assembly 20, a let-off assembly 30, a yarn guide assembly 40 and a winding device 50.

Specifically, the chopping device 10 can chop the yarn to obtain chopped fibers, the conveying module 20 can receive and convey the chopped fibers, the let-off module 30 is provided with a plurality of mounting parts 31 arranged at intervals, each mounting part 31 can be used for mounting a yarn drum 60 wound with the yarn, the yarn guide module 40 can lead out the yarn on each yarn drum 60 and sew the chopped fibers conveyed by the conveying module 20 to obtain grey cloth, and the winding device 50 can wind the grey cloth.

In other words, as shown in fig. 3, the glass fiber warp knitting machine 100 according to the embodiment of the present invention mainly comprises a chopping mechanism, a yarn feeding mechanism, a conveying mechanism, and a winding mechanism, wherein the chopping mechanism may be a chopping device 10, the chopping device 10 may cut chopped yarns to obtain chopped fibers, the conveying mechanism may be a conveying assembly 20, the conveying assembly 20 may convey the chopped fibers cut by the chopping device 10 to a desired warp knitting position, the yarn feeding mechanism includes a let-off assembly 30 and a yarn guiding assembly 40, a plurality of independent yarn drums 60 may be mounted on the let-off assembly 30, yarns are respectively wound on each yarn drum 60, each yarn may be independently guided out to the warp knitting position through the yarn guiding assembly 40, so as to stitch the chopped fibers conveyed on the conveying assembly 20 to obtain a grey fabric, the winding device 50 may wind the stitched grey fabric, and obtaining a finished product.

It should be noted that, when the glass fiber warp knitting machine 100 according to the embodiment of the present invention works, a plurality of independent yarn drums 60 can be directly mounted on the mounting portion 31 corresponding to the let-off assembly 40, then the yarn on each yarn drum 60 is connected with the guiding assembly 40, the yarn is led out through the guiding assembly 40 and is directly sewn on the chopped fiber on the conveying assembly 20, in the operation process, the gauze on the yarn drum 60 is not required to be pretreated, i.e. a plurality of yarns are not required to be warped onto the pan head, then the pan head is strung on the warp beam and then led out for yarn feeding, the investment of equipment such as warping machine and pan head can be saved, the workshop area is greatly reduced, corresponding workers are also reduced, and corresponding operation process is omitted, the process that the pan head needs to be stopped to be changed after the use of the pan head, the process of yarn threading is overcome, the loss caused by the warp head warping and the waste cloth generated by changing the pan head is reduced, in addition, the yarns on each yarn barrel 60 can be independently led out through the yarn guide assembly 40, the yarn tension is adjustable, and the qualification rate of the fabric can be improved. In some embodiments of the present invention, the chopped fibers may be glass fibers.

From this, according to the utility model discloses glass fiber warp knitting machine installs respectively through the yarn section of thick bamboo 60 that will convolute the yarn and send the direct yarn that send on the warp subassembly 30, need not drop into complete machine equipment in addition and pan head and carry out the preliminary treatment to the yarn, has reduced the place usable floor area, has reduced corresponding manual operation simultaneously, and the cost is reduced has improved rate of opening and production efficiency to yarn on every yarn section of thick bamboo 60 can be adjusted wantonly according to sending the yarn demand, has improved the qualification rate of fabric.

According to one embodiment of the present invention, the conveyor assembly 20 includes a conveyor belt 21, the conveyor belt 21 being movably disposed below the chopping device 10 to receive and convey chopped fibers.

As shown in fig. 3, that is, the conveyor belt 21 of the conveyor assembly 20 is disposed below the chopping device 10, the chopped fibers cut by the chopping device 10 can fall onto the conveyor belt 21 by free fall, and the conveyor belt 21 can be driven by a transmission mechanism such as a transmission wheel, so as to convey the chopped fibers to the warp knitting position in the horizontal direction.

In some embodiments of the present invention, the let-off assembly 30 is formed as a rectangular frame extending along the vertical direction, each of the installation parts 31 is formed as a rod extending along the horizontal direction, the installation parts 31 are distributed along the vertical direction at intervals, one end of each installation part 31 is connected with the let-off assembly 30, and the other end of each installation part 31 is suspended for installing the yarn bobbin 60.

Specifically, the let-off assembly 30 may be formed as a rectangular frame structure on the ground as a whole, the mounting portion 31 may be formed as a long bar structure, one end of the mounting portion 31 is disposed on the let-off assembly 30, and the yarn drum 60 may be directly sleeved on the mounting portion 31 from the other end of the mounting portion 31.

The mode of arranging of installation department 31 on let-off subassembly 30 can have the multiple, optionally, according to the utility model discloses an embodiment, installation department 31 is two sets of and establishes respectively on two montants that extend along vertical direction of let-off subassembly 30, and two sets of installation departments 31 set up relatively.

As shown in fig. 3, two vertical rods of the let-off assembly 30 extending in the vertical direction are respectively provided with a set of mounting portions 31, a plurality of mounting portions 31 of each set are respectively arranged at intervals in the vertical direction, and the two sets of mounting portions 31 are arranged oppositely. The let-off component 30 has a simple structure, and yarns of a plurality of yarn drums 60 can all extend out from the middle position of the let-off component 30, so that threading is convenient.

In other embodiments of the present invention, the middle of the let-off assembly 30 is provided with a support rod 32 extending along the vertical direction and located on the symmetry axis of the let-off assembly 30, and the mounting portion 31 is provided on the support rod 32. Preferably, the mounting portions 31 are provided in two sets and symmetrically at both sides of the support bar 32.

Specifically, as shown in fig. 4, in this embodiment, the middle of the let-off assembly 30 is provided with a support bar 32 structure, the left and right sides of the let-off assembly 30 are symmetrically arranged relative to the support bar 32, and the number of the mounting portions 31 may also be two, and the two mounting portions 31 are both provided on the support bar 32 but are respectively located on the two sides of the support bar 32. The let-off assembly 30 with the structure can reduce the mutual interference among the yarn drums 60 when the yarn drums 60 are installed, and avoid the yarn from winding.

As shown in fig. 5, in another embodiment of the present invention, only one set of the mounting portions 31 may be provided in addition to the requirement of warp knitting.

Further, according to the utility model discloses an embodiment, every apex angle department of let-off subassembly 30 is equipped with dead lever 33 respectively, and the both ends of every dead lever 33 link to each other with two adjacent limits of let-off subassembly 30 respectively.

As shown in fig. 3 and 4, the four vertex angles of the let-off assembly 30 are respectively provided with a fixing rod 33 which is inclined relative to the horizontal direction, one end of the fixing rod 33 is connected with one of the adjacent cross bar and the adjacent vertical bar of the let-off assembly 30, and the other end is connected with the other of the adjacent cross bar and the adjacent vertical bar, so that the stability of the overall structure of the let-off assembly 30 can be ensured.

In some embodiments of the present invention, the yarn guide assembly 40 may include: a tensioner 41, a threading plate 42, a yarn guide compensation device 43, a yarn dividing needle 44 and a yarn guide needle 45.

Specifically, a tensioner 41 is connected to the yarn of each bobbin 60 to adjust the tension of each yarn, a threading plate 42 is provided downstream of the tensioner 41, a plurality of yarns pass through the threading plate 42 and are gathered by the threading plate 42, a yarn guide compensation device 43 is provided downstream of the threading plate, a yarn dividing needle 44 is capable of dividing the yarn passing through the yarn guide compensation device 43, the yarn guide needle 45 guides the divided yarns out respectively and stitches the chopped fibers, and the yarn is guided by the yarn guide needle 45, and is matched with the groove needle and the needle core of the glass fiber warp knitting machine 100 to perform proper traversing movement, so that the chopped fibers are stitched to form a gray fabric.

To sum up, according to the utility model discloses glass fiber warp knitting machine 100 has reduced the place usable floor area, has reduced corresponding manual operation simultaneously, and the cost is reduced has improved the rate of opening and production efficiency to yarn on every yarn section of thick bamboo 60 can be adjusted wantonly according to the yarn demand of sending, has improved the qualification rate of fabric.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. A glass fiber warp knitting machine is characterized by comprising:

a chopping device capable of chopping the yarn to obtain chopped fibers;

a conveyor assembly capable of receiving and conveying the chopped fibers;

the let-off component is provided with a plurality of mounting parts arranged at intervals, and each mounting part can be used for mounting a yarn drum wound with yarns;

the yarn guide assembly can guide out yarns on each yarn drum and sew the chopped fibers conveyed by the conveying assembly to obtain grey cloth;

a winding device capable of winding the raw fabric.

2. The glass fiber warp knitting machine of claim 1, wherein the conveyor assembly includes a conveyor belt movably disposed below the chopping device to receive and convey the chopped fibers.

3. The glass fiber warp knitting machine according to claim 1, wherein the let-off assembly is formed as a rectangular frame body extending in a vertical direction, each of the mounting portions is formed as a rod body extending in a horizontal direction, a plurality of the mounting portions are distributed at intervals in the vertical direction, one end of each of the mounting portions is connected to the let-off assembly, and the other end of each of the mounting portions is suspended for mounting the bobbin.

4. The warp knitting machine for glass fibers as claimed in claim 3, wherein the mounting portions are provided in two sets respectively on two vertical bars extending in a vertical direction of the let-off member, the two sets of the mounting portions being disposed oppositely.

5. The warp knitting machine for glass fiber according to claim 3, wherein a support bar extending in a vertical direction and located on a symmetry axis of the let-off assembly is provided at a middle portion of the let-off assembly, and the mounting portion is provided on the support bar.

6. The warp knitting machine for glass fiber according to claim 5, wherein the mounting portions are provided in two sets and symmetrically on both sides of the support bar.

7. The warp knitting machine for glass fiber according to claim 3, wherein a fixing bar is provided at each top corner of the let-off assembly, and both ends of each fixing bar are connected to two adjacent sides of the let-off assembly.

8. The glass fiber warp knitting machine of any of claims 1 to 7, characterized in that the yarn guide assembly comprises:

a tensioner connectable to the yarn of each of the bobbins and adjusting a tension of each of the yarns;

and the threading plate is arranged at the downstream of the tensioner, and a plurality of yarns pass through the threading plate and are gathered by the threading plate.

9. The glass fiber warp knitting machine of claim 8 wherein the yarn guide assembly further comprises:

the yarn guide compensation device is arranged at the downstream of the yarn threading plate;

the yarn dividing needle can divide the yarns passing through the yarn guide compensation device;

and the yarn guide needle is used for respectively guiding out the yarns subjected to yarn splitting and sewing the chopped fibers.

10. The glass fiber warp knitting machine according to any one of claims 1 to 7, characterized in that the chopped fibers are glass fibers.

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