CN115247311A

CN115247311A - Horizontal moving type coiling process

Info

Publication number: CN115247311A
Application number: CN202210008530.5A
Authority: CN
Inventors: 应志平; 郝凯新; 吴震宇; 程晓颖; 向忠
Original assignee: Zhejiang Sci Tech University ZSTU
Current assignee: Zhejiang Sci Tech University ZSTU
Priority date: 2022-01-05
Filing date: 2022-01-05
Publication date: 2022-10-28
Anticipated expiration: 2042-01-05
Also published as: CN115247311B

Abstract

The invention relates to the technical field of spinning, in particular to a translation type coiling process, which comprises a yarn pressing assembly, wherein the yarn pressing assembly comprises a plurality of layers of pressing strips, and warp yarns are clamped between the pressing strips; the transmission assembly comprises two rows of chains which rotate circularly in parallel, and the yarn pressing assembly is arranged on the chains and moves horizontally along with the chains; the protective assembly comprises a protective film wound on the unwinding shaft, the protective film is also pulled by the pressing strip, and the upper side and the lower side of the warp are both provided with a layer of protective film for protection. After the scheme is adopted, the yarn pressing assembly can be used for clamping the yarn, and the weaving and reeling requirements of the thick three-dimensional fabric are met by horizontally moving and dragging.

Description

Horizontal moving type coiling process

Technical Field

The invention relates to the technical field of spinning, in particular to a translation type coiling process.

Background

The high-performance fiber three-dimensional weaving technology is an important component of modern weaving equipment, complex and various space interweaving structures of three-dimensional fabrics are completed by means of a special weaving machine, quantitative coiling is completed through a roller by a traditional weaving machine traction coiling device, woven fabrics are coiled into a cloth roller, and the coiling mode is not suitable for three-dimensional fabrics with larger thickness. The three-dimensional fabric cannot be bent, which would otherwise cause a difference in take-up length between the inside and outside and cause deformation of the fabric.

Therefore, the inventors further studied this and developed a translational coiling process, and the present invention was made from this.

Disclosure of Invention

The invention aims to provide a translation type coiling process, which utilizes a yarn pressing assembly to clamp yarns and meets weaving and coiling requirements of thick three-dimensional fabrics through translation pulling.

In order to achieve the purpose, the technical scheme of the invention is as follows:

a translational coiling process comprises

The yarn pressing assembly comprises a plurality of layers of pressing strips, and warp yarns are clamped between the pressing strips;

the transmission assembly comprises two rows of chains which rotate circularly in parallel, and the yarn pressing assembly is arranged on the chains and moves horizontally along with the chains;

the protective assembly comprises a protective film wound on the unwinding shaft, the protective film is also pulled by the pressing bar, and the upper side and the lower side of the warp are both provided with a layer of protective film for protection;

the coiling method comprises coiling trigger signal processing and coiling action execution, and comprises the following steps:

step 1: the warp state is initialized, the warps are uniformly clamped in the yarn pressing assembly in a layered mode, and the upper protective film and the lower protective film are respectively fixed at the upper laminating strip and the lower laminating strip;

step 2: locking a motor of the transmission assembly, waiting for a coiling trigger signal, and rotating the motor by a set angle when the coiling trigger signal is triggered;

and 3, step 3: and judging whether the specified winding amount is finished or not, and if so, stopping and locking the motor.

The three-dimensional fabric is not bent, and meanwhile, the fabric can be prevented from being polluted by oil stains and dust of the chain.

Furthermore, rubber pads are arranged between the pressing strips, the warp yarns are clamped between the two layers of rubber pads, the pressing strips and the rubber pads are fastened through bolts, and the bolts are evenly distributed in the length direction of the pressing strips.

The rubber may increase the yarn friction.

Furthermore, the transmission assembly comprises a motor, a speed reducer, a chain wheel and a chain, the chain is driven by the chain wheel to do circular motion, and the motor amplifies torque through the speed reducer to drive the chain wheel to rotate.

Further, the transmission assembly comprises a tension chain wheel which is arranged in the middle area of the chain.

The chain wrap angle of the chain can be increased by adjusting the tension chain wheel up and down, and the chain is prevented from loosening.

Furthermore, the support assembly is divided into an upper rectangular frame and a lower rectangular frame, the upper rectangular frame and the lower rectangular frame are connected through vertical beams, the lower layer of the lower rectangular frame is connected with a height-adjustable foot pad, and the upper rectangular frame plays a supporting role.

Furthermore, the pressing strip is fixed on the chain through a bolt, and the chain is in a lug type.

After adopting the scheme, compared with the prior art, the invention has the following advantages:

the yarn pressing assembly is utilized to clamp the yarns, the yarns are pulled in a translation mode through the double rows of chains, the fabric keeps straight in the coiling process, the coiling amount can be adjusted in real time according to the fabric structure, and the weaving requirement of the special three-dimensional woven structure is met.

Drawings

FIG. 1 is a perspective view of an embodiment of the present invention;

FIG. 2 is a top view of an embodiment of the present invention;

FIG. 3 is a side view of an embodiment of the present invention;

FIG. 4 is a schematic view of an embodiment of a shield assembly;

FIG. 5 is a side view of an embodiment yarn pressing assembly;

FIG. 6 is a top view of an example yarn pressing assembly;

FIG. 7 is a flowchart of an exemplary control method.

Description of the reference symbols

With letter references after the reference numerals for the arrangement of the same structural part in different positions

Detailed Description

The invention is further described with reference to the following figures and specific embodiments.

As shown in the drawings, referring to fig. 1, fig. 2 and fig. 3, the present embodiment provides a translational winding process, which includes a bracket assembly, a transmission assembly, a protection assembly and a yarn pressing assembly.

The bracket assembly comprises cross beams (11-1, 11-2, 11-5 and 11-6) and vertical beams (11-3), wherein the cross beams and the vertical beams are fixedly connected into a rectangular frame through corner connectors. The rectangular frame is divided into an upper layer and a lower layer, the lower layer is connected with the height-adjustable foot pads 11-4, and the upper layer rectangular frame is used for supporting the reeling platform.

The transmission assembly comprises a motor 21, a speed reducer 22, a chain wheel 23 and a chain 26, the motor amplifies torque through the speed reducer 22, the chain wheel 23 is arranged on a rotating shaft of the speed reducer, the chain wheels are respectively provided with the chain 26, the rotating shaft on the other side is correspondingly provided with the chain wheel and the chain, therefore, a double-row chain is formed, and the two parallel rows of the chain 26 can do circular motion under the driving of the chain wheels (23, 24).

The chain is in a lug shape, a yarn pressing component is fixedly arranged above the chain, and the yarn pressing component is formed by laminating a plurality of layers of pressing strips and rubber pads. Referring to fig. 5 and 6, rubber pads are arranged between the layers of the multi-layer batten 41, and the warp yarns 40 are clamped between the two layers of rubber pads and play a role in increasing yarn friction. The pressing strip and the rubber pad are fastened through bolts, and the bolts are uniformly distributed in the length direction of the pressing strip. The pressing bar 41 is fixed on the chain with the lugs through bolts, and when the chain is dragged, the pressing bar drags along with the chain, namely, the warp translation dragging effect is achieved.

Preferably, the transmission assembly comprises a tension sprocket 25 arranged in the middle area of the chain, and the tension sprocket 25 can increase the wrap angle of the chain by adjusting up and down to prevent the chain from loosening.

In order to prevent the chain from being contaminated by oil and dust, a protective film is arranged on the unwinding shaft, the protective film is mounted on the unwinding shaft 34 in a winding drum manner and synchronously translates along with the fabric from the unwinding shaft, and protective films (35, 36) are respectively mounted on the lower side and the upper side of the fabric. One end of the protective film is arranged on the yarn pressing assembly and translates with the fabric from the unwinding shafts (34, 33) in a winding manner.

Referring to fig. 4, the protective assembly further includes sprocket protective plates (31, 32) respectively provided on the sprocket groups at both ends of the winding platform, and the protective plates isolate the fabric from the sprockets to prevent the fabric from contaminating the sprockets with oil.

step 1: the warp state is initialized, the warps are uniformly clamped in the yarn pressing assembly in a layered mode, and the upper film and the lower film are respectively fixed under an upper layer pressing strip and a lower layer pressing strip;

step 2: the motor is locked, a coiling trigger signal is waited, and when the coiling trigger signal is triggered, the motor rotates for a certain angle;

The above description is only an embodiment of the present invention, and all the terms such as "upper", "lower", "left", "right", "middle", etc. in the present invention are used as reference and not absolutely limited, and all the insubstantial modifications made by the present invention shall fall within the scope of infringing the present invention.

Claims

1. A translational coiling process is characterized by comprising

the coiling method comprises the following steps of coiling trigger signal processing and coiling action execution:

step 1: initializing warp yarn states, uniformly clamping the warp yarns in a yarn pressing assembly in a layering manner, and respectively fixing an upper protective film and a lower protective film at an upper layer pressing strip and a lower layer pressing strip;

and step 3: and judging whether the specified winding amount is finished or not, and if so, stopping and locking the motor.

2. A translatory coiling process as defined in claim 1 wherein: rubber pads are arranged between the pressing strips, warp yarns are clamped between the two layers of rubber pads, the pressing strips and the rubber pads are fastened through bolts, and the bolts are evenly distributed in the length direction of the pressing strips.

3. A translatory coiling process as defined in claim 1 wherein: the transmission assembly comprises a motor, a speed reducer, a chain wheel and a chain, the chain is driven by the chain wheel to do circular motion, and the motor amplifies torque through the speed reducer to drive the chain wheel to rotate.

4. A translatory reeling process according to claim 3, characterized in that: the transmission assembly comprises a tension chain wheel which is arranged in the middle area of the chain.

5. A translatory coiling process as defined in claim 1 wherein: the support assembly is divided into an upper rectangular frame and a lower rectangular frame, the upper rectangular frame and the lower rectangular frame are connected in a two-layer mode through vertical beams, the lower layer of the lower rectangular frame is connected with a foot pad with adjustable height, and the upper rectangular frame plays a supporting role.

6. A translatory coiling process as defined in claim 3 wherein: the pressing strip is fixed on the chain through a bolt, and the chain is in a lug shape.