CN221589068U - Papermaking blanket - Google Patents
Papermaking blanket Download PDFInfo
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- CN221589068U CN221589068U CN202322817030.9U CN202322817030U CN221589068U CN 221589068 U CN221589068 U CN 221589068U CN 202322817030 U CN202322817030 U CN 202322817030U CN 221589068 U CN221589068 U CN 221589068U
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- 239000010410 layer Substances 0.000 claims abstract description 126
- 239000000835 fiber Substances 0.000 claims abstract description 40
- 238000003466 welding Methods 0.000 claims abstract description 17
- 239000002356 single layer Substances 0.000 claims abstract description 14
- 239000004952 Polyamide Substances 0.000 claims description 9
- 229920002647 polyamide Polymers 0.000 claims description 9
- 229920000728 polyester Polymers 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 21
- 239000004677 Nylon Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 229920001778 nylon Polymers 0.000 description 5
- 238000009960 carding Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000009941 weaving Methods 0.000 description 4
- 239000011265 semifinished product Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002052 molecular layer Substances 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000009999 singeing Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 210000002268 wool Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a papermaking blanket, and relates to the technical field of papermaking blankets. The two ends of the single-layer base net are formed into rings through ultrasonic welding after being folded, the surface fiber net layer combination and the back fiber net layer combination are respectively connected to two sides of the middle framework layer, the middle framework layer is set into the laminated structure formed after the single-layer base net is folded, the two ends of the single-layer base net are formed into the rings through ultrasonic welding after being folded, equipment investment is low, production flow is greatly shortened, production efficiency is remarkably improved, a seam is more straight and easier to put on a loom, labor capacity of a loom operator is effectively reduced, and production efficiency of the loom operator is improved.
Description
Technical Field
The utility model relates to the technical field of papermaking felts, in particular to a papermaking felt.
Background
Most of the traditional papermaking blankets are of endless annular structures, and later, seam papermaking blankets are of open-ended, and the papermaking blankets are connected into an annular structure by means of first engaging loops arranged at two end ports and then penetrating connecting wires. The method can greatly reduce the difficulty of the paper making blanket on-machine, save the time of the on-machine, save the labor force of the on-machine and greatly improve the running efficiency of the paper making machine.
The present inventors found that there are at least the following technical problems in the prior art: the looping at the end opening is a key link of the papermaking blanket in the production process, most of the traditional end-seamed papermaking blankets adopt a loop loom or a diagonal weaving technology for looping, but the investment cost of looping equipment is extremely high, the production efficiency is very low, the seam opening is difficult to be straight, while the equipment adopting the diagonal weaving technology is low in investment, but needs a little-to-little stitch removal, the production efficiency is difficult to be improved, and the seam opening is difficult to control to be straight.
Disclosure of utility model
The utility model aims to provide a papermaking felt, which solves the technical problems that equipment and process for looping at ports in the prior art are low in production efficiency, and a seam is difficult to control to be flat. The preferred technical solutions of the technical solutions provided by the present utility model can produce a plurality of technical effects described below.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The utility model provides a papermaking blanket, includes surface fiber web layer combination, middle skeleton layer and reverse side fiber web layer combination, middle skeleton layer is the stacked structure that the doubling back formed of individual layer base web and the both ends of individual layer base web are passed through ultrasonic welding after the doubling back and are formed the ring, surface fiber web layer combination with reverse side fiber web layer combination is connected respectively the both sides of middle skeleton layer.
Preferably, the surface web layer comprises a surface web layer connected to one side of the intermediate carcass layer.
Preferably, the surface web layer combination comprises a surface web layer and at least one first inner web layer connected between the surface web layer and the intermediate carcass layer.
Preferably, the reverse web layer comprises a reverse web layer connected to one side of the intermediate carcass layer.
Preferably, the reverse web layer combination comprises a reverse web layer and at least one second inner web layer connected between the reverse web layer and the intermediate carcass layer.
Preferably, the surface web layer combination, the intermediate carcass layer and the reverse web layer combination are needled together.
Preferably, the surface web layer is made of polyamide or polyester fibers.
Preferably, the reverse-side fibrous web layer composition is made of polyamide fibers or polyester fibers.
The beneficial effects of the utility model are as follows: through setting up the intermediate skeleton layer into the stacked structure that the formation behind the single-layer base net fifty percent discount and the both ends of single-layer base net are through ultrasonic welding formation ring behind the fifty percent discount, not only equipment input is low, and production flow shortens by a wide margin moreover, and production efficiency obtains showing and promotes, and the seam mouth is more straight also easier loom on-machine simultaneously, has effectively reduced loom operator's amount of labour, has improved loom operator's production efficiency.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a cross-sectional view of a papermaking felt of the present utility model;
In the figure 1, a surface web layer combination; 11. a surface fibrous web layer; 12. a first inner web layer;
2. an intermediate carcass layer;
3. Combining the reverse side fiber web layers; 31. a reverse side fibrous web layer; 32. a second inner web layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.
In the description of the present utility model, it should be understood that the terms "center", "side", "length", "width", "height", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "side", etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in fig. 1 are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood as appropriate by those of ordinary skill in the art.
Example 1
Referring to fig. 1, the utility model provides a papermaking felt, which comprises a surface fiber net layer combination 1, an intermediate framework layer 2 and a reverse fiber net layer combination 3, wherein the intermediate framework layer 2 is a laminated structure formed by folding a single-layer base net, two ends of the single-layer base net are folded into rings by ultrasonic welding, and the surface fiber net layer combination 1 and the reverse fiber net layer combination 3 are respectively connected to two sides of the intermediate framework layer 2.
The ultrasonic welding is to utilize high-frequency vibration wave to transmit to two object surfaces that need to weld, under the condition of pressurization, make two object surfaces rub each other and form the fusion between the molecular layer, ultrasonic welding's dry time is very fast, the material need not to stay in the anchor clamps for a long time waiting for seam drying or solidification, consequently be arranged in this embodiment, can promote production efficiency by a wide margin, the welded part is very clean simultaneously, hardly need any repair work, consequently be applied to in this embodiment, can make the seam allowance more straight, ultrasonic welding is a swift, clean and effective assembly process, in this embodiment, ultrasonic welding is the operation through ultrasonic welder and accomplish preferably.
By using the ultrasonic welding technology for looping, the equipment investment is low, the production flow is greatly shortened, the production efficiency is obviously improved, and the seam is more straight and easier to put on the loom, so that the labor of the loom operator is effectively reduced, and the production efficiency of the loom operator is improved.
As an alternative embodiment, the surface web layer combination 1 comprises a surface web layer 11, the surface web layer 11 being connected to one side of the intermediate frame layer 2, the surface web layer 11 preferably being made of polyamide fibers or polyester fibers.
As an alternative embodiment, the surface web layer combination 1 comprises a surface web layer 11 and at least one first inner web layer 12, the first inner web layer 12 is connected between the surface web layer 11 and the middle skeleton layer 2, the surface web layer 11 and the first inner web layer 12 are preferably made of polyamide fibers or polyester fibers, and the number of the first inner web layers 12 can be flexibly selected according to practical use requirements.
As an alternative embodiment, the back web layer combination 3 comprises a back web layer 31, the back web layer 31 being connected to one side of the intermediate frame layer 2, the back web layer 31 preferably being made of polyamide fibers or polyester fibers.
As an alternative embodiment, the back side web layer combination 3 comprises a back side web layer 31 and at least one second inner web layer 32, the second inner web layer 32 is connected between the back side web layer 31 and the middle skeleton layer 2, the back side web layer 31 and the second inner web layer 32 are preferably made of polyamide fibers or polyester fibers, and the number of the second inner web layers 32 can be flexibly selected according to practical use requirements.
As an alternative embodiment, the surface web layer combination 1, the middle frame layer 2 and the opposite web layer combination 3 are needle punched and connected together, where a needle punching machine may be preferred to perform a needle punching flocking operation, and all web layers are needle punched and flocked with the middle frame layer 2 to form a felt fabric with a certain tightness and a more compact paper.
As an alternative embodiment, the single layer base web is a nylon Long Siji web woven by a loom, where the nylon yarn base web may be woven from a single nylon yarn or from multiple strands of nylon yarn.
Example two
The utility model also provides a production process of the papermaking felt, which comprises the following steps:
S1, manufacturing a surface fiber net layer combination 1 and a reverse fiber net layer combination 3, manufacturing a single-layer base net, and welding two ends of the single-layer base net into a ring through ultrasonic after being folded in half to form an intermediate framework layer 2;
S2, respectively paving a surface fiber net layer combination 1 and a reverse fiber net layer combination 3 on two sides of the middle framework layer 2, and connecting the surface fiber net layer combination 1, the middle framework layer 2 and the reverse fiber net layer combination 3 together by needling to form a semi-finished product of the papermaking felt;
S3, shaping the semi-finished product of the papermaking felt obtained in the step S2, wherein the shaping specifically comprises a singeing step and a water washing step, the singeing step can sinter and melt a plush layer formed on the surface of the fabric, and the water washing step can hydrolyze soluble fiber yarns;
S4, cutting the semi-finished product of the papermaking felt obtained in the step S3, and then removing stitches to form the papermaking felt;
S5, performing finished product inspection on the papermaking felt obtained in the step S4 so as to ensure the delivery quality of the papermaking felt.
The ultrasonic welding is to utilize high-frequency vibration wave to transmit to two object surfaces that need to weld, under the condition of pressurization, make two object surfaces rub each other and form the fusion between the molecular layer, ultrasonic welding's dry time is very fast, the material need not to stay in the anchor clamps for a long time waiting for seam drying or solidification, consequently be arranged in this embodiment, can promote production efficiency by a wide margin, the welded part is very clean simultaneously, hardly need any repair work, consequently be applied to in this embodiment, can make the seam allowance more straight, ultrasonic welding is a swift, clean and effective assembly process, in this embodiment, ultrasonic welding is the operation through ultrasonic welder and accomplish preferably.
By using the ultrasonic welding technology for looping, the equipment investment is low, the production flow is greatly shortened, the production efficiency is obviously improved, and the seam is more straight and easier to put on the loom, so that the labor of the loom operator is effectively reduced, and the production efficiency of the loom operator is improved.
As an alternative embodiment, the making of the surface web layer combination 1 and the reverse web layer combination 3 in step S1 includes: the nylon staple fibers are subjected to staple mixing and carding, wherein the carding can be preferably performed by a carding machine, then the carding is performed by pre-needling treatment to form fiber wool net flakes, and the fiber wool net flakes are paved into a net to be rolled.
As an alternative embodiment, the making of the single-layer base web in step S1 includes: the method comprises the steps of warping polyamide fiber monofilaments or polyester fiber monofilaments through a warping machine, reeling weft through a reeling machine, and weaving through a weaving machine to form a single-layer base net.
The foregoing is merely illustrative embodiments of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the technical scope of the present utility model, and the utility model should be covered. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (8)
1. The papermaking felt is characterized by comprising a surface fiber net layer combination (1), an intermediate skeleton layer (2) and a reverse fiber net layer combination (3), wherein the intermediate skeleton layer (2) is a laminated structure formed by folding a single-layer base net, two ends of the single-layer base net are formed into rings by ultrasonic welding after being folded, and the surface fiber net layer combination (1) and the reverse fiber net layer combination (3) are respectively connected to two sides of the intermediate skeleton layer (2).
2. Papermaking felt according to claim 1, characterised in that the surface web layer (1) comprises a surface web layer (11), the surface web layer (11) being connected to one side of the intermediate carcass layer (2).
3. Papermaking felt according to claim 1, characterized in that the surface web layer (1) comprises a surface web layer (11) and at least one first inner web layer (12), the first inner web layer (12) being connected between the surface web layer (11) and the intermediate carcass layer (2).
4. Papermaking felt according to claim 1, characterised in that the reverse web layer (3) comprises a reverse web layer (31), the reverse web layer (31) being connected to one side of the intermediate carcass layer (2).
5. Papermaking felt according to claim 1, characterised in that the opposite web layer combination (3) comprises an opposite web layer (31) and at least one second inner web layer (32), the second inner web layer (32) being connected between the opposite web layer (31) and the intermediate carcass layer (2).
6. Papermaking felt according to claim 1, characterized in that the surface web layer (1), the intermediate frame layer (2) and the reverse web layer (3) are needle punched together.
7. Papermaking felt according to claim 1, characterized in that the surface web layer (1) is made of polyamide or polyester fibers.
8. Papermaking felt according to claim 1, characterized in that the reverse fibrous web layer (3) is made of polyamide or polyester fibers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322817030.9U CN221589068U (en) | 2023-10-19 | 2023-10-19 | Papermaking blanket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322817030.9U CN221589068U (en) | 2023-10-19 | 2023-10-19 | Papermaking blanket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221589068U true CN221589068U (en) | 2024-08-23 |
Family
ID=92405404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322817030.9U Active CN221589068U (en) | 2023-10-19 | 2023-10-19 | Papermaking blanket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221589068U (en) |
-
2023
- 2023-10-19 CN CN202322817030.9U patent/CN221589068U/en active Active
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