Raw material grinding and gelatinizing device for preparing flame-retardant fiber non-woven fabric

By impacting starch granules through the up-and-down movement of grinding balls, the problem of small contact area between starch granules and water is solved, achieving efficient starch gelatinization and improving the efficiency of nonwoven fabric preparation.

CN223800640UActive Publication Date: 2026-01-16SICHUAN SHENGSHAN BAIYULAN IND CO LTD
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Patent Information

Application Number
CN202520124221.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-20
Publication Date
2026-01-16
Estimated Expiration
2035-01-20

AI Technical Summary

Technical Problem

When preparing starch-based plastics for use in nonwoven fibers, the small contact area between starch granules and water leads to a reduced gelatinization rate, which affects the efficiency of subsequent stirring.

Method used

A grinding and gelatinization device for raw materials used in the preparation of flame-retardant fiber nonwoven fabric is designed. By driving the grinding balls to rotate in the grinding chamber and using the rebound force of the spring to move the grinding balls up and down, the starch particles are efficiently ground, ensuring that the starch is in powder form before entering the reaction vessel.

Benefits of technology

This improves the grinding efficiency of starch, ensuring that the starch is in powder form before entering the reactor, thus enhancing the efficiency of the subsequent gelatinization process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a raw material grinding and gelatinizing device for preparing a flame-retardant fiber non-woven fabric. The raw material grinding and gelatinizing device comprises a hopper, wherein the bottom of the hopper is fixedly connected with a stirring reaction kettle through a bolt. The motor, the belt pulley and the belt are matched to drive the columnar block to rotate through the rotating shaft, so that the columnar block grinds particles in an inner cavity of the grinding cavity through the sliding plate, the sliding rod and the grinding ball, meanwhile, vibration generated when the grinding ball grinds is transmitted to the spring through the sliding rod and the sliding plate, and then the grinding ball moves up and down to impact the particles; the granular starch grinding device improves the grinding effect of granular starch and ensures that the granular starch can enter the inner cavity of the grinding cavity, and then ground starch powder enters the stirring reaction kettle through the blanking groove under the action of gravity, so that blocky particles in the starch can be ground before the starch enters the reaction kettle, and the starch entering the reaction kettle is ensured to be powdery; therefore, the aim of ensuring the subsequent stirring to gelatinization efficiency of the starch is fulfilled.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to non - woven fabric preparation technical field, especially, it relates to a kind of preparation raw material grinding paste device of flame-retardant fiber non-woven fabric. BACKGROUND

[0002] With the improvement of production and living standard, the traditional non-woven fabric cannot meet the needs, at this time functional textile gets rapid development, among them, the flame-retardant fiber non-woven fabric made of flame-retardant masterbatch is more common variety, usually flame-retardant non-woven fabric has the following characteristics: high strength, good elasticity, good heat resistance, smooth surface and the like, and the currently commonly used functional non-woven fabric material of flame-retardant non-woven fabric is mainly polypropylene high-speed spinning or melt-blown spinning to obtain fiber, starch-based plastic is to modify starch by chemical reaction, reduce the hydroxyl group of starch and change its original structure, so as to change the corresponding performance of starch, and change the original starch into thermoplastic starch, starch plastic is currently a low-cost bioplastic, which has been widely used in plastic products such as film, injection molding and sheet, and starch plastic can be used in spinning to prepare non-woven fabric, which can meet the needs of many non-woven fabric products for environmental protection.

[0003] When preparing starch-based plastic, starch needs to be mixed with water and stirred until the starch is completely gelatinized, then other ingredients are added and a block of material is obtained after a series of reactions in the reaction kettle, and then the block of material is output from the kettle body and processed by subsequent processes, so that starch plastic for non-woven fabric fiber can be obtained, but when starch is added to the reaction kettle, the contact area between the starch and water may be reduced due to the blocky particles of the starch itself, which affects the mixing rate of the starch and water to gelatinization, so a preparation raw material grinding paste device for flame-retardant fiber non-woven fabric is needed, which can grind the blocky particles before the starch enters the reaction kettle, so that the starch entering the reaction kettle is in powder form, and the efficiency of subsequent stirring and gelatinization of the starch is ensured. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of preparation raw material grinding paste device for flame-retardant fiber non-woven fabric, which drives grinding ball to rotate in the inner cavity of grinding cavity to grind granular starch, and at the same time, granular particles drive grinding ball to move upwards and drive spring to deform, at this time, the resilience of spring can drive grinding ball to move up and down, the efficiency of grinding granular starch can be improved by the up-and-down impact of grinding ball, and it is ensured that granular starch can enter the inner cavity of grinding cavity, so that the blocky particles in the starch can be ground before entering the reaction kettle, so that the starch entering the reaction kettle is in powder form, to solve the technical problems proposed in the above background art.

[0005] The utility model discloses a technical scheme that solves the above technical problems as follows: a kind of preparation raw material grinding paste device of flame-retardant fiber non-woven fabric, it includes hopper: the bottom of the hopper is fixedly connected with stirring reaction kettle by bolt, the bottom of the stirring reaction kettle is equipped with discharging device, the inner chamber of the hopper is transversely welded with cross bar, the bottom of the cross bar is rotatably connected with rotating shaft, the bottom of the rotating shaft is welded with columnar block, the inside of the columnar block is equipped with rectangular cavity, the inner wall of the rectangular cavity is slidably connected with sliding plate, the top of the sliding plate and the inner wall of rectangular cavity are fixedly connected with spring between, the bottom of the sliding plate is fixedly connected with slide rod by bolt, the bottom of the slide rod is passed through to the below of columnar block and is fixedly connected with grinding ball by flange, the left side of the hopper is fixedly installed with motor, the surface of the output shaft of the motor and rotating shaft is fixedly connected with belt disc by flange, transmission is connected with belt between two belt discs, grinding cavity and blanking groove are set up on the hopper.

[0006] Preferably, the side view cross section of the cross bar is triangular, and the cross bar is a stainless steel member.

[0007] Preferably, the bottom of the columnar block is provided with a sliding hole matched with the slide rod, and the left side of the hopper is provided with a through hole matched with the belt.

[0008] Preferably, the left side of the hopper is fixedly connected with a box body by bolts, and the box body is located outside the motor and the left side belt disc.

[0009] Preferably, the grinding cavity is located at the bottom of the inner chamber of the hopper, the grinding ball is located in the inner chamber of the grinding cavity, and the blanking groove is in communication with the interior of the stirring reaction kettle.

[0010] 1, the utility model discloses the beneficial effect is: the utility model discloses the cooperation of motor, belt disc and belt is rotated by rotating shaft and makes columnar block rotate, so that columnar block is ground to the particle in the inner chamber of grinding cavity by sliding plate, slide rod and grinding ball, simultaneously, the vibration of grinding ball grinding is conducted to spring through slide rod and sliding plate, then the upper and lower movement of grinding ball impacts the particle, improves the grinding effect of granular starch and guarantees that it can enter the inner chamber of grinding cavity, subsequently, starch powder after grinding enters stirring reaction kettle through blanking groove under the action of gravity, that is, can reach the purpose that the blocky particle in starch is ground before entering the reaction kettle, thereby guaranteeing that the starch entering the reaction kettle is all in powder form, and further guaranteeing the purpose of subsequent stirring to paste of starch.

[0011] 2, the utility model discloses the triangular setting of cross bar, the starch of cross bar top can fall down, avoids the situation that starch is extremely gathered on the top of cross bar when pouring.

[0012] 3. The utility model discloses a box's setting is protected to the outside of motor and left side's belt disc, avoids the condition of bite to foreign matter between both, and then has guaranteed the smooth operation between both. BRIEF DESCRIPTION OF DRAWINGS

[0013] Among them:

[0014] Figure 1 It is structural schematic diagram of an embodiment of the utility model;

[0015] Figure 2 It is an embodiment of the utility model Figure 1 The local enlarged view of A point in an embodiment of the utility model;

[0016] Figure 3 It is the stereogram cutaway view of hopper of an embodiment of the utility model;

[0017] Figure 4 It is an embodiment of the utility model Figure 3 The local enlarged view of B point in an embodiment of the utility model.

[0018] In the drawing, the component list represented by each sign is as follows:

[0019] 1, hopper, 2, stirring reaction kettle, 3, discharge device, 4, cross bar, 5, rotating shaft, 6, columnar block, 7, rectangular cavity, 8, slide plate, 9, spring, 10, slide rod, 11, grinding ball, 12, motor, 13, belt disc, 14, belt, 15, box, 16, grinding cavity, 17, blanking groove. DETAILED DESCRIPTION

[0020] In the following, the embodiment of the device for grinding and gelatinizing the raw material of the preparation of the flame-retardant fiber non-woven fabric of the utility model will be described with reference to the drawings.

[0021] Example one:

[0022] Figures 1-4The utility model discloses a kind of preparation raw materials grinding paste devices of flame-retardant fiber nonwoven fabric of an embodiment of the utility model, it includes hopper 1: the bottom of hopper 1 is fixedly connected with stirring reaction kettle 2 by bolt, discharging device 3 is installed at the bottom of stirring reaction kettle 2, the inner chamber of hopper 1 is transversely welded with cross bar 4, the side view cross section of cross bar 4 is triangle, cross bar 4 is stainless steel component, by the triangle setting of cross bar 4, starch on the top of cross bar 4 can fall down, avoid the starch when pouring extremely gather in the top of cross bar 4 Occurs, the bottom of cross bar 4 is rotatably connected with shaft 5, shaft 5 bottom is welded with columnar block 6, rectangular cavity 7 is arranged in the inside of columnar block 6, the inner wall of rectangular cavity 7 is slidably connected with sliding plate 8, sliding plate 8 top and the inner wall of rectangular cavity 7 between fixedly connected with spring 9, the bottom of sliding plate 8 is fixedly connected with slide bar 10 by bolt, the bottom of slide bar 10 is fixedly connected with grinding ball 11 by flange and is passed through to the below of columnar block 6, the left side of hopper 1 is fixedly installed with motor 12, the surface of the output shaft of motor 12 and shaft 5 is fixedly connected with belt disc 13 by flange, transmission is connected with belt 14 between two belt discs 13, the bottom of columnar block 6 is equipped with the sliding hole of adaptation with slide bar 10, the left side of hopper 1 is equipped with the perforation of adaptation with belt 14, grinding cavity 16 and blanking groove 17 are set up on hopper 1.

[0023] Example two:

[0024] Figures 1-4 The utility model discloses a kind of preparation raw materials grinding paste devices of flame-retardant fiber nonwoven fabric of an embodiment of the utility model, it includes hopper 1: the bottom of hopper 1 is fixedly connected with stirring reaction kettle 2 by bolt, discharging device 3 is installed at the bottom of stirring reaction kettle 2, the inner chamber of hopper 1 is transversely welded with cross bar 4, the side view cross section of cross bar 4 is triangle, cross bar 4 is stainless steel component, by the triangle setting of cross bar 4, starch on the top of cross bar 4 can fall down, avoid the starch when pouring extremely gather in the top of cross bar 4 Occurs, the bottom of cross bar 4 is rotatably connected with shaft 5, shaft 5 bottom is welded with columnar block 6, rectangular cavity 7 is arranged in the inside of columnar block 6, the inner wall of rectangular cavity 7 is slidably connected with sliding plate 8, sliding plate 8 top and the inner wall of rectangular cavity 7 between fixedly connected with spring 9, the bottom of sliding plate 8 is fixedly connected with slide bar 10 by bolt, the bottom of slide bar 10 is fixedly connected with grinding ball 11 by flange and is passed through to the below of columnar block 6, the left side of hopper 1 is fixedly installed with motor 12, the surface of the output shaft of motor 12 and shaft 5 is fixedly connected with belt disc 13 by flange, transmission is connected with belt 14 between two belt discs 13, the left side of hopper 1 is fixedly connected with box 15 by bolt, box 15 is located at the outside of motor 12 and left side belt disc 13, by the setting of box 15, the outside of motor 12 and left side belt disc 13 is protected, avoid the engagement between the two between external object occurs, further guarantee the smooth operation between the two, grinding cavity 16 and blanking groove 17 are set up on hopper 1, grinding cavity 16 is located at the bottom of the inner chamber of hopper 1, grinding ball 11 is located in the inner chamber of grinding cavity 16, blanking groove 17 is communicated with the inside of stirring reaction kettle 2.

[0025] Work principle: the utility model uses, the user adds starch raw materials to the hopper 1 through starting motor 12, at the moment motor 12 drives the left side's belt disc 13 rotation, makes the left side's belt disc 13 drive the right side's belt disc 13 rotation through belt 14, in turn the right side's belt disc 13 drives cylindrical block 6 rotation through pivot 5, makes cylindrical block 6 drive grinding ball 11 rotation and carries out grinding to the starch granule in the inner chamber of grinding chamber 16 through sliding plate 8 and slide rod 10, simultaneously the vibration of grinding ball 11 being carried by starch granule when grinding is conducted to spring 9 through slide rod 10 and sliding plate 8 conduction, then the rebound force of spring 9 drives grinding ball 11 to move down, in turn the up-and-down movement of grinding ball 11 impacts the granule, improves the grinding effect of granular starch and guarantees that it can enter the inner chamber of grinding chamber 16, then the starch powder after grinding under the action of gravity enters stirring reactor 2 through the blanking groove 17, then adds the water of proper amount to stirring reactor 2 and opens stirring reactor 2 and carries out the stirring to starch powder to paste, then adds other ingredients and can obtain blocky material, then through discharge device 3 and output the material to the outside, realizes the grinding to the blocky granule in starch before entering the reactor, thereby guarantees that the starch entering the reactor is all in powder form, and then guarantees the efficiency of subsequent stirring to gelatinization of starch.

[0026] In conclusion: the preparation raw material grinding and gelatinization device of the flame-retardant fiber non-woven fabric, through the cooperation of motor 12, belt disc 13 and belt 14, cylindrical block 6 is driven to rotate through pivot 5, so that cylindrical block 6 grinds the granule in the inner chamber of grinding chamber 16 through sliding plate 8, slide rod 10 and grinding ball 11, simultaneously the vibration of grinding ball 11 when grinding is conducted to spring 9 through slide rod 10 and sliding plate 8, in turn the up-and-down movement of grinding ball 11 impacts the granule, improves the grinding effect of granular starch and guarantees that it can enter the inner chamber of grinding chamber 16, then the starch powder after grinding under the action of gravity enters stirring reactor 2 through blanking groove 17, can achieve the grinding to the blocky granule in starch before entering the reactor, thereby guarantees that the starch entering the reactor is all in powder form, and then guarantees the purpose of the efficiency of subsequent stirring to gelatinization of starch.

Claims

1. A grinding and gelatinizing device for raw materials used in the preparation of flame-retardant fiber nonwoven fabric, characterized in that, Including hopper (1): the bottom of the hopper (1) is fixedly connected with the stirring reaction kettle (2) through bolts, the bottom of the stirring reaction kettle (2) is provided with a discharging device (3), the inner cavity of the hopper (1) is transversely welded with a cross bar (4), the bottom of the cross bar (4) is rotatably connected with a rotating shaft (5), the bottom of the rotating shaft (5) is welded with a columnar block (6), a rectangular cavity (7) is formed in the columnar block (6), a sliding plate (8) is slidably connected with the inner wall of the rectangular cavity (7), a spring (9) is fixedly connected between the top of the sliding plate (8) and the inner wall of the rectangular cavity (7), the bottom of the sliding plate (8) is fixedly connected with a sliding rod (10) through bolts, the bottom end of the sliding rod (10) penetrates to the lower side of the columnar block (6) and is fixedly connected with a grinding ball (11) through flanges, a motor (12) is fixedly installed on the left side of the hopper (1), the output shaft of the motor (12) and the surface of the rotating shaft (5) are both fixedly connected with a belt pulley (13) through flanges, a belt (14) is drivingly connected between the two belt pulleys (13), a grinding cavity (16) and a blanking groove (17) are formed in the hopper (1).

2. The device according to claim 1, wherein the device is characterized by: The side view cross section of the cross bar (4) is triangular, and the cross bar (4) is a stainless steel component.

3. The device according to claim 2, wherein the device is characterized by: The bottom of the columnar block (6) is provided with a sliding hole matched with the sliding rod (10), and the left side of the hopper (1) is provided with a perforation matched with the belt (14).

4. The device according to claim 3, wherein the device is characterized by: The left side of the hopper (1) is fixedly connected with a box body (15) through bolts, and the box body (15) is located outside the motor (12) and the left side belt pulley (13).

5. The device according to claim 4, wherein the device is characterized by: The grinding cavity (16) is located at the bottom of the inner cavity of the hopper (1), the grinding ball (11) is located in the inner cavity of the grinding cavity (16), and the blanking groove (17) is in communication with the inside of the stirring reaction kettle (2).