Bundling and liquid squeezing device for producing high-strength and high-modulus PVA (Polyvinyl Alcohol) fibers
By increasing the number of guide rods and adjusting the height difference between them, the bundled liquefaction device was improved, solving the problems of insufficient liquefaction and uneven fiber bundles. This resulted in more efficient fiber production and improved product quality and production efficiency.
Patent Information
- Application Number
- CN202520385522.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-06
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-06
AI Technical Summary
In the current production of high-strength, high-modulus PVA fibers, insufficient liquefaction leads to fuzzy and misaligned fiber bundles, resulting in inadequate washing and affecting product quality.
Design a cluster liquefaction device by increasing the number of guide rods and adjusting the height difference between them. Use U-shaped slots to fix the guide rods and increase the distance between them. The bottom of the clustering tank is sloped to facilitate liquid backflow. The guide rods are 3 cm long and 37 cm apart. The clustering tank is 260 cm long, 42 cm wide, and 20 cm high.
It improves the extraction efficiency, reduces fibrous material production, ensures smooth fiber bundles, reduces the consumption of sulfuric acid, sodium sulfate, and caustic soda, and improves production efficiency and washing quality.
Smart Images

Figure CN223852860U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to PVA fiber production and processing technical field, specifically is a kind of high-strength high-modulus PVA fiber production is gathered and is pressed liquid device. BACKGROUND
[0002] High-strength high-modulus polyvinyl alcohol fiber has the advantages of high strength, high modulus, strong adhesion, good dispersibility and low price, and is widely used in road construction and building industry. In the production of high-strength high-modulus polyvinyl alcohol fiber, 7-9 spindles of jetting head on each side of the production line simultaneously ejects the filament bundle, and after dehydration in one bath, the surface of the filament bundle contains a large amount of sodium hydroxide and sodium sulfate. Then the filament bundle is stretched by guide roller into neutralization and washing process, neutralizing sodium hydroxide and washing away sodium sulfate, sodium acetate and boric acid and other impurities on the surface of the filament bundle. In order to ensure the quality and efficiency of the washing of the filament bundle, the filament bundle needs to be fully squeezed before entering the neutralization and washing process, and the excess sodium sulfate and sodium hydroxide on the surface of the fiber is squeezed out, and a certain width and good flatness are maintained, so that the subsequent neutralization and washing is more sufficient and efficient.
[0003] At present, the existing bundle device has 4-5 guide rods, which has the following disadvantages: 1. The number of guide rods is small, and the squeezing is not sufficient; 2. The distance between the guide rods is too small, which causes the filament bundle to be easy to be rough and deviate; 3. Insufficient squeezing leads to large consumption of sulfuric acid, mirabilite and caustic soda, and low production efficiency; 4. The filament bundle is not flat, which leads to insufficient washing and appearance of yellow and black stripes, affecting the product quality. CONTENT OF THE UTILITY MODEL
[0004] The utility model aims at solving one of the technical problems existing in the prior art. Therefore, the utility model provides a high-strength high-modulus PVA fiber production bundle squeezing device, which solves the problems of insufficient squeezing, easy roughness and deviation of the filament bundle in the prior art.
[0005] In order to achieve the above object, the utility model provides a kind of high-strength high-modulus PVA fiber production is gathered and is pressed liquid device, including cluster tank, first pad bottom guide rod, first liquid extraction guide rod, second pad bottom guide rod, second liquid extraction guide rod, third pad bottom guide rod, third liquid extraction guide rod, fourth pad bottom guide rod and reflux hole are arranged in the cluster tank;The first pad bottom guide rod, first liquid extraction guide rod, second pad bottom guide rod, second liquid extraction guide rod, third pad bottom guide rod, third liquid extraction guide rod, fourth pad bottom guide rod are sequentially arranged from right to left in the cluster tank;U-shaped slot is fixedly arranged in the cluster tank, the first pad bottom guide rod, first liquid extraction guide rod, second pad bottom guide rod, second liquid extraction guide rod, third pad bottom guide rod, third liquid extraction guide rod, fourth pad bottom guide rod are fixed in the cluster tank by the U-shaped slot, the U-shaped slot notch of installing the second pad bottom guide rod and the third pad bottom guide rod is upwards, the U-shaped slot notch of installing the first pad bottom guide rod, first liquid extraction guide rod, second liquid extraction guide rod, third liquid extraction guide rod and fourth pad bottom guide rod is right.
[0006] As a further scheme of the utility model: the first pad bottom guide rod, first liquid extraction guide rod, second liquid extraction guide rod and third liquid extraction guide rod are located at 5 centimeters below the cluster tank along the mouth.
[0007] As a further scheme of the utility model: the second pad bottom guide rod and third pad bottom guide rod are located at 6 centimeters below the cluster tank along the mouth.
[0008] As a further scheme of the utility model: the lower end of the fourth pad bottom guide rod is flush with the cluster tank along the mouth.
[0009] As a further scheme of the utility model: the cluster tank bottom is inclined.
[0010] As a further scheme of the utility model: the reflux hole is arranged on the right side of the cluster tank, i.e. the bottom of the inclined surface.
[0011] As a further scheme of the utility model: the cluster tank length is 260 centimeters, width is 42 centimeters, and height is 20 centimeters.
[0012] As a further scheme of the utility model: the first pad bottom guide rod, first liquid extraction guide rod, second pad bottom guide rod, second liquid extraction guide rod, third pad bottom guide rod, third liquid extraction guide rod, fourth pad bottom guide rod length are all 42 centimeters, and diameter is 3 centimeters;The distance between each guide rod is 37 centimeters.
[0013] As a further scheme of the utility model: the highest point of the inclined surface in the cluster tank is 12 centimeters.
[0014] As a further scheme of the utility model: the U-shaped slot depth is 37 millimeters.
[0015] Compared with the prior art, the utility model has the beneficial effects that:
[0016] 1、 The utility model discloses change the height difference between guide rod, increase the distance between guide rod, improve the effect of liquid extraction, reduce the production of hair silk at the same time.
[0017] 2、 The utility model discloses increase the quantity of guide rod, and the silk cluster of each unit is more even after coming, reduces the overlapping and the occurrence of the phenomenon of the silk cluster, makes neutralization and washing more fully.
[0018] 3、 The utility model discloses good liquid extraction effect, reduce the bath liquid of taking out and entering next bath, reduce the consumption of mirabilite, caustic soda, sulfuric acid, further improve production efficiency.
[0019] 4、 The utility model discloses high operability, and the operator can adjust the quantity of guide rod and guide rod height according to the liquid extraction and silk cluster state at any time, and the safety, reliability are high. DRAWINGS
[0020] Fig. 1 It is the overhead structure schematic diagram of the utility model;
[0021] Fig. 2 It is the overall profile side view of the utility model.
[0022] In the drawing: 1, first pad bottom guide rod;2, first liquid extraction guide rod;3, second pad bottom guide rod;4, second liquid extraction guide rod;5, third pad bottom guide rod;6, third liquid extraction guide rod;7, fourth pad bottom guide rod;8, cluster groove;9, backflow hole. SPECIFIC IMPLEMENTATION
[0023] The technical scheme of the utility model will be described clearly and completely in combination with embodiments, and obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of the utility model protection.
[0024] As Figs. 1-2As shown in the high-strength high-modulus PVA fiber production with a set of squeeze liquid device, including a set of groove 8, the set of groove 8 is provided with a first pad bottom guide rod 1, the first squeeze liquid guide rod 2, the second pad bottom guide rod 3, the second squeeze liquid guide rod 4, the third pad bottom guide rod 5, the third squeeze liquid guide rod 6, the fourth pad bottom guide rod 7 and backflow hole 9; The first pad bottom guide rod 1, the first squeeze liquid guide rod 2, the second pad bottom guide rod 3, the second squeeze liquid guide rod 4, the third pad bottom guide rod 5, the third squeeze liquid guide rod 6, the fourth pad bottom guide rod 7 are sequentially arranged from right to left in the set of groove 8; The set of groove 8 is fixedly provided with a U-shaped clamping groove, the first pad bottom guide rod 1, the first squeeze liquid guide rod 2, the second pad bottom guide rod 3, the second squeeze liquid guide rod 4, the third pad bottom guide rod 5, the third squeeze liquid guide rod 6, the fourth pad bottom guide rod 7 are fixed in the set of groove 8 through the U-shaped clamping groove, the U-shaped clamping groove slot of the second pad bottom guide rod 3 and the third pad bottom guide rod 5 is upward, the U-shaped clamping groove slot of the first pad bottom guide rod 1, the first squeeze liquid guide rod 2, the second squeeze liquid guide rod 4, the third squeeze liquid guide rod 6 and the fourth pad bottom guide rod 7 is right,
[0025] As an embodiment in the present embodiment, the first pad bottom guide rod 1, the first squeeze liquid guide rod 2, the second squeeze liquid guide rod 4 and the third squeeze liquid guide rod 6 are located at 5 cm below the edge of the set of groove 8, the second pad bottom guide rod 3 and the third pad bottom guide rod 5 are located at 6 cm below the edge of the set of groove 8, the lower end of the fourth pad bottom guide rod 7 is flush with the edge of the set of groove 8; The backflow hole 9 is located on the right side of the set of groove 8; The groove bottom of the set of groove 8 is inclined, which facilitates the squeezed liquid to flow to the backflow hole 9 and then back to a bath adding system for reuse.
[0026] As an embodiment in the present embodiment, except for the fourth pad bottom guide rod 7, every two guide rods form a group, and there are three groups (the first pad bottom guide rod 1 and the first squeeze liquid guide rod 2, the second pad bottom guide rod 3 and the second squeeze liquid guide rod 4, the third pad bottom guide rod 5 and the third squeeze liquid guide rod 6). The distance between the pad bottom guide rod and the squeeze liquid guide rod of each group is 37 cm, which can effectively avoid the generation of hair due to the large tension of the filament caused by the small distance, and avoid insufficient squeezing caused by the large distance.
[0027] In this embodiment, the corresponding structural parameters are: the length of the bundling groove 8 is 260 cm, the width is 42 cm, and the height is 20 cm; the length of the guide rod is 42 cm, and the diameter is 3 cm; the highest point of the slope in the groove is 12 cm; the distance between each guide rod is 37 cm; and the depth of the U-shaped clamping groove is 37 mm. In actual application, the heights of the yarn bundles from the spinning machine are different, so the yarns are first gathered into a bundle by the first bottom pad guide rod 1 and the first liquid extraction guide rod 2, and the traveling direction of the yarn bundle is correctly guided, the width of the yarn bundle is fixed, so that overlapping or large gaps do not occur between each yarn. Then the yarn bundle enters the second bottom pad guide rod 3, and the height difference between the second bottom pad guide rod 3 and the second liquid extraction guide rod 4 generates pressure on the surface of the traveling yarn, and the liquid contained in the yarn bundle is extracted. Similarly, the second bottom pad guide rod 3 and the second liquid extraction guide rod 4 always generate pressure on the surface of the yarn bundle, so that overlapping does not occur during the traveling of the yarn bundle, the yarn bundle is kept flat and open, and the liquid extraction effect is further improved. The fourth bottom pad guide rod 7 plays a role of a bottom pad before the yarn enters the bath tank, effectively preventing the generation of loose yarns. The liquid extracted by the liquid extraction guide rod flows into the backflow hole along the slope at the bottom of the bundling groove 8, and is finally collected into the coagulation bath system for recycling.
[0028] Working principle:
[0029] The yarn bundles from the spinning machine are first gathered into a bundle by the first bottom pad guide rod 1 and the first liquid extraction guide rod 2, and the traveling direction of the yarn bundle is correctly guided, the width of the yarn bundle is fixed, so that overlapping or large gaps do not occur between each yarn. Then the yarn bundle enters the second bottom pad guide rod 3, and the height difference between the second bottom pad guide rod 3 and the second liquid extraction guide rod 4 generates pressure on the surface of the traveling yarn, and the liquid contained in the yarn bundle is extracted. Similarly, the second bottom pad guide rod 3 and the second liquid extraction guide rod 4 always generate pressure on the surface of the yarn bundle, so that overlapping does not occur during the traveling of the yarn bundle, the yarn bundle is kept flat and open, and the liquid extraction effect is further improved. The fourth bottom pad guide rod 7 plays a role of a bottom pad before the yarn enters the bath tank, effectively preventing the generation of loose yarns. The liquid extracted by the liquid extraction guide rod flows into the backflow hole along the slope at the bottom of the bundling groove 8, and is finally collected into the coagulation bath system for recycling.
[0030] In the description of the present application, it should be pointed out that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" and the like should be broadly understood, for example, it can be fixed connection, or detachable connection, or integrated connection, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0031] The above has carried out the detailed description to one embodiment of the utility model, but the content described is only the preferred embodiment of the utility model, cannot be considered for limiting the implementation scope of the utility model. All equal changes and improvements etc. that are made in the utility model application scope should still belong to the patent coverage scope of the utility model.
Claims
1. A high-strength high-modulus PVA fiber production cluster liquid squeezing device, characterized by, It comprises a cluster groove (8), the first pad bottom guide rod (1), the first liquid guide rod (2), the second pad bottom guide rod (3), the second liquid guide rod (4), the third pad bottom guide rod (5), the third liquid guide rod (6), the fourth pad bottom guide rod (7) and the backflow hole (9) are arranged in the cluster groove (8); The first pad bottom guide rod (1), the first liquid guide rod (2), the second pad bottom guide rod (3), the second liquid guide rod (4), the third pad bottom guide rod (5), the third liquid guide rod (6), the fourth pad bottom guide rod (7) are sequentially arranged from right to left in the cluster groove (8); The U-shaped clamping groove is fixedly arranged in the cluster groove (8), the first pad bottom guide rod (1), the first liquid guide rod (2), the second pad bottom guide rod (3), the second liquid guide rod (4), the third pad bottom guide rod (5), the third liquid guide rod (6), the fourth pad bottom guide rod (7) are fixed in the cluster groove (8) through the U-shaped clamping groove, the U-shaped clamping groove of the second pad bottom guide rod (3) and the third pad bottom guide rod (5) is installed upwards, and the U-shaped clamping groove of the first pad bottom guide rod (1), the first liquid guide rod (2), the second liquid guide rod (4), the third liquid guide rod (6) and the fourth pad bottom guide rod (7) is installed to the right.
2. The high-strength high-modulus PVA fiber production cluster liquid squeezing device according to claim 1, characterized in that, The first pad bottom guide rod (1), the first liquid guide rod (2), the second liquid guide rod (4) and the third liquid guide rod (6) are located below the cluster groove lip by 5cm.
3. The high-strength high-modulus PVA fiber production cluster liquid squeezing device according to claim 1, characterized in that, The second pad bottom guide rod (3) and the third pad bottom guide rod (5) are located below the cluster groove lip by 6cm.
4. The high-strength high-modulus PVA fiber production cluster liquid squeezing device according to claim 1, characterized in that, The lower end of the fourth pad bottom guide rod (7) is flush with the cluster groove lip.
5. The high-strength high-modulus PVA fiber production cluster liquid squeezing device according to claim 1, characterized in that, The cluster groove (8) is inclined.
6. The high-strength high-modulus PVA fiber production cluster liquid squeezing device according to claim 5, characterized in that, The backflow hole (9) is arranged on the right side of the cluster groove (8), that is, the bottom of the inclined surface.
7. The high-strength high-modulus PVA fiber production cluster liquid squeezing device according to claim 1, characterized in that, The length of the cluster groove (8) is 260cm, the width is 42cm, and the height is 20cm.
8. The high-strength high-modulus PVA fiber production cluster liquid squeezing device according to claim 1, characterized in that, The length of the first pad bottom guide rod (1), the first liquid guide rod (2), the second pad bottom guide rod (3), the second liquid guide rod (4), the third pad bottom guide rod (5), the third liquid guide rod (6) and the fourth pad bottom guide rod (7) is 42cm, and the diameter is 3cm; The distance between each guide rod is 37cm.
9. The high-strength high-modulus PVA fiber production cluster liquid squeezing device according to claim 1, characterized in that, The highest point of the inclined surface in the cluster groove (8) is 12cm.
10. The high-strength high-modulus PVA fiber production cluster liquid squeezing device according to claim 1, characterized in that, The depth of the U-shaped clamping groove is 37mm.