阅读说明：本技术 一种高效篷布生产工艺 (Efficient tarpaulin production process ) 是由 张明华 赵加强 张峰杰 居凌霄 姚炜威 于 2019-11-13 设计创作，主要内容包括：本发明公开民一种高效篷布生产工艺,包括如下步骤：挤出塑化；剖丝；收卷；采用篷布用整经装置对扁丝进行整经成若干经轴；编织；淋膜；包装。整经装置包括整经机主体,整经机主体上设有经轴、纱架,纱架上设有若干侧向延伸的固定轴,固定轴上套设有相对其作转动的外筒体、限制所述外筒体相对固定轴作转动的制动装置。本发明所涉及的一种高效篷布生产工艺,在剖丝定型和编织的步骤中间增加了预处理整经,形成张力均匀的经轴,各个经轴的单丝张力一致。在编织的步骤中,经线的张力一致可以织出密度更高的布,同时降低了局部出现疵点的概率,也使得布面在遇到外力的时候受力更加均匀,承受更高的负荷,拉伸强度、撕破强力都得到了显著提高。(The invention discloses a production process of high-efficiency tarpaulin, which comprises the following steps: extruding and plasticizing; cutting into filaments; rolling; warping the flat yarns into a plurality of warp beams by adopting a warping device for tarpaulin; weaving; film spraying; and (6) packaging. The warping device comprises a warping machine main body, a warp beam and a creel are arranged on the warping machine main body, a plurality of laterally extending fixed shafts are arranged on the creel, and a relative outer barrel and a relative limit are sleeved on the fixed shafts and used for rotating the outer barrel and the relative fixed shafts to serve as rotating braking devices. The invention relates to a high-efficiency tarpaulin production process, which adds pretreatment warping in the middle of the steps of cutting, shaping and weaving to form warp beams with uniform tension, and the single yarn tension of each warp beam is consistent. In the weaving step, the cloth with higher density can be woven by consistent tension of the warp threads, the probability of local defects is reduced, the cloth surface is stressed more uniformly when encountering external force, higher load is borne, and the tensile strength and tearing strength are obviously improved.)

1. A production process of high-efficiency tarpaulin is characterized by comprising the following steps:

a. plasticizing polyolefin composite plastic through an extruder, extruding or blow-molding the plastic into a planar or cylindrical film, and cooling the film;

b. cutting the cooled film into flat wires by a blade on a wire cutting knife rest, and heating, stretching, cooling and shaping the flat wires;

c. winding the filament into a filament ingot by using a winding machine;

d. warping the flat yarns into a plurality of warp beams by adopting a warping device for tarpaulin;

e. weaving on a weaving machine;

f. film spraying;

h. packaging a finished product;

the warping device in the step d comprises a warping machine main body, wherein a warp yarn traction device, a warp beam and a coiling device are arranged on the warping machine main body, the warping machine further comprises a creel for supplying yarns to the warp beam, a plurality of fixed shafts extending laterally are arranged on the creel, and an outer barrel rotating relative to the fixed shafts is sleeved on the fixed shafts; the tension adjusting device is used for limiting the outer cylinder body to rotate relative to the fixed shaft.

2. A high-efficiency tarpaulin production process according to claim 1, wherein: a warp feeding roller which is horizontally arranged is arranged between the warping machine main body and the creel.

3. A high-efficiency tarpaulin production process according to claim 2, wherein: a wiring board for the yarn to pass through is arranged between the let-off roll and the creel, and a thread hole is arranged on the wiring board.

4. A high-efficiency tarpaulin production process according to any one of the claim 1 to 3, wherein: the tension adjusting device comprises a friction plate close to the outer side wall of the outer cylinder and an air pressure tension control mechanism for controlling the friction plate to abut against or be far away from the outer cylinder.

5. A high-efficiency tarpaulin production process according to claim 4, wherein: the air pressure tension control mechanism is a telescopic push rod.

6. A high-efficiency tarpaulin production process according to claim 5, wherein: and a yarn disc is arranged at one end of the outer barrel body close to the creel and rotates along with the outer barrel body.

7. A high-efficiency tarpaulin production process according to claim 6, characterized in that: the outer cylinder body is sleeved with a first rubber ring attached to the end face of the yarn disc; and a second rubber ring far away from the end of the yarn frame is sleeved on the outer barrel.

8. A high-efficiency tarpaulin production process according to claim 6, characterized in that: the surface of yarn dish covers there is the sponge that gives sound insulation, and the sponge that gives sound insulation is lamellar and pastes and establish the surface of yarn dish.

9. A high-efficiency tarpaulin production process according to claim 1, wherein: the bearing is embedded in the outer cylinder body, the fixed shaft is inserted in the bearing, and the outer cylinder body rotates relative to the fixed shaft through the bearing.

10. A high-efficiency tarpaulin production process according to claim 1, wherein: and a brake frame for fixing the tension adjusting device is arranged on the creel.

Technical Field

The invention relates to the technical field of tarpaulin production, in particular to a high-efficiency tarpaulin production process.

Background

The technical process for weaving the polypropylene and polyethylene composite plastic cloth is developed in China for decades, the process and the technology are relatively mature, and the process flow comprises the steps of extrusion, cutting and shaping, weaving, film spraying, finished product packaging and the like.

The composite woven cloth produced by the process has the advantages of water resistance, no toxicity, environmental protection, light weight, low temperature resistance and recycling, and is widely applied to the fields of geotechnical impermeable cloth, building construction, tents, agriculture and forestry, industry, transportation and the like. The traditional woven cloth woven by flat filaments has hard hand feeling, and meanwhile, the cloth cover is easy to wrinkle because the tension of the single filaments is uneven during weaving. The monofilament tension is uneven, the probability of defect formation in the weaving process is increased to a great extent, the defect formation has a great influence on the product appearance qualification rate, the defects can also cause the condition that the local fabric surface is damaged first, the use experience of a user is influenced, and the applicable range of the fabric is limited.

Disclosure of Invention

The invention aims to provide an efficient tarpaulin production process, which can greatly reduce defects on the surface of the produced tarpaulin and improve the breaking strength of the tarpaulin.

In order to solve the technical problem, the invention aims to realize that:

the invention relates to a high-efficiency tarpaulin production process, which comprises the following steps:

a. plasticizing polyolefin composite plastic through an extruder, extruding or blow-molding the plastic into a planar or cylindrical film, and cooling the film;

b. cutting the cooled film into flat wires by a blade on a wire cutting knife rest, and heating, stretching, cooling and shaping the flat wires;

c. winding the filament into a filament ingot by using a winding machine;

d. warping the flat yarns into a plurality of warp beams by adopting a warping device for tarpaulin;

e. weaving on a weaving machine;

f. film spraying;

h. packaging a finished product;

the warping device in the step d comprises a warping machine main body, wherein a warp yarn traction device, a warp beam and a coiling device are arranged on the warping machine main body, the warping machine further comprises a creel for supplying yarns to the warp beam, a plurality of fixed shafts extending laterally are arranged on the creel, and an outer barrel rotating relative to the fixed shafts is sleeved on the fixed shafts; the tension adjusting device is used for limiting the outer cylinder body to rotate relative to the fixed shaft.

As a further explanation of the above-mentioned scheme, a horizontally arranged let-off roll is provided between the warper body and the creel.

As a further explanation of the above-mentioned means, a wiring board through which the yarn passes is provided between the let-off roll and the creel, and the wiring board is provided with a yarn hole.

As a further explanation of the above scheme, the tension adjusting device includes a friction plate proximate to the outer sidewall of the outer cylinder and an air pressure tension control mechanism controlling the friction plate to abut against or be away from the outer cylinder.

As a further explanation of the above aspect, the pneumatic tension control mechanism is a telescopic push rod.

As a further explanation of the above scheme, a yarn disc is arranged at one end of the outer cylinder body close to the creel, and the yarn disc rotates along with the outer cylinder body.

As a further explanation of the above scheme, a first rubber ring attached to the end face of the yarn disc is sleeved on the outer cylinder; and a second rubber ring far away from the end of the yarn frame is sleeved on the outer barrel.

As a further explanation of the above-mentioned scheme, the surface of the yarn reel is covered with a sound-proof sponge, and the sound-proof sponge is in a sheet shape and is attached to the surface of the yarn reel.

As a further explanation of the above scheme, a bearing is embedded in the outer cylinder, the fixed shaft is inserted into the bearing, and the outer cylinder rotates relative to the fixed shaft through the bearing.

As a further explanation of the above scheme, a brake frame for fixing the tension adjusting device is provided on the creel.

The invention has the beneficial effects that: the invention relates to a high-efficiency tarpaulin production process, which adds a step of pretreatment warping between the steps of cutting, shaping and weaving, wherein warps are pretreated by a roller with certain tension to form warp beams with uniform tension, and the single-yarn tension of each warp beam is consistent. In the weaving step, the cloth with higher density can be woven by consistent tension of the warp threads, the probability of local defects is reduced, the cloth surface is stressed more uniformly when encountering external force, higher load is borne, and the tensile strength and tearing strength are obviously improved.

Drawings

FIG. 1 is a front view of a warping apparatus;

FIG. 2 is a schematic top view of the warper;

FIG. 3 is a schematic view of a portion of the warping apparatus;

FIG. 4 is a schematic view of the structure of FIG. 3 from another perspective;

fig. 5 is a schematic view of the structure of the tension device.

Detailed Description

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