Integrated hemp rod opening, loosening and impurity removing machine

By employing a vibrating conveyor and a staggered radial steel nail design in the integrated machine for opening, loosening, and removing impurities from hemp stalks, combined with a fiber elevator and internal and external auxiliary roller structures, the problem of poor impurity removal effect has been solved, thus improving the product quality of hemp fiber.

CN224337815UActive Publication Date: 2026-06-09WUXI QIANZHOU YAODA MACHINERY FACTORY

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
WUXI QIANZHOU YAODA MACHINERY FACTORY
Filing Date
2025-06-03
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

The existing integrated machine for opening, loosening, and removing impurities from hemp stalks has poor impurity removal effect, resulting in a high content of hemp stalk fragments in the hemp fiber and low product quality.

Method used

The design employs a vibrating conveyor and staggered radial steel nails, combined with a fiber elevator and internal and external auxiliary roller structures, to improve the impurity removal effect.

Benefits of technology

It significantly improved the impurity removal effect and product quality of hemp fiber, and reduced the content of hemp stalk fragments.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224337815U_ABST
    Figure CN224337815U_ABST
Patent Text Reader

Abstract

This utility model relates to an integrated machine for unpacking / loosening / removing impurities from hemp stalks. It includes a rectangular, horizontally arranged chassis with inlet and outlet ports at the front and rear ends, respectively. A conveyor is located inside the chassis. A main roller is positioned above the conveyor, perpendicular to the longitudinal direction of the chassis, with both ends of its shaft rotatably connected to the side wall of the chassis. Inner front auxiliary rollers and inner rear auxiliary rollers are located above the main roller on both sides. Radial steel nails are evenly distributed on the rolling surfaces of the main roller, inner front auxiliary rollers, and inner rear auxiliary rollers, and these radial steel nails are arranged in an alternating pattern. The key feature is that the conveyor is a vibrating conveyor, and the conveyor belt is a wire mesh conveyor belt. Using this utility model to extract hemp fibers can improve the impurity removal effect and product quality. It is suitable for extracting hemp fibers from bundled hemp stalks.
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Description

Technical Field

[0001] This utility model relates to a hemp fiber production device. Specifically, it is an integrated machine for unpacking / loosening / removing hemp stalks to extract hemp fibers by unpacking, loosening, and removing impurities from bundles of hemp stalks. Background Technology

[0002] In the hemp fiber production industry, it is well known that hemp fiber is extracted from bundles of hemp stalks using a bale-opening, loosening, and impurity-removing machine. A traditional integrated hemp stalk bale-opening, loosening, and impurity-removing machine includes a rectangular, horizontally arranged casing with inlet and outlet ports at the front and rear ends, respectively. A first conveyor precedes the inlet. Inside the casing are a second and third conveyor, arranged sequentially. The heights of the first, second, and third conveyors decrease sequentially, and they are spaced apart at their adjacent ends. Above the rear of the second conveyor is a main roller, perpendicular to the longitudinal direction of the casing, with both ends rotatably connected to the side walls of the casing. Above the main roller on both sides are inner front auxiliary rollers and inner rear auxiliary rollers, respectively. The main roller and inner front auxiliary rollers, and the main roller and inner rear auxiliary rollers, respectively constitute the bale-opening section and the impurity-removing section. The third conveyor uses a wire mesh conveyor belt. The main roller, inner front auxiliary roller, and inner rear auxiliary roller are all evenly distributed with radial steel nails, which are staggered between the main roller and the inner front and rear auxiliary rollers. During operation, the first conveyor feeds bundles of hemp stalks into the machine housing from the feed inlet at the front and onto the second conveyor. The second conveyor then feeds them to the main roller. Through the clockwise rotation of the main roller, the inner front auxiliary roller, and the inner rear auxiliary roller, the main roller lifts the hemp stalks and passes them between the main roller and the inner front auxiliary roller, breaking them up. A portion of the broken hemp stalks is further broken up and crushed as the main roller rotates clockwise, passing between the main roller and the inner auxiliary roller. The hemp fibers are discharged by the third conveyor through the machine housing's outlet, while a large amount of impurities fall onto the third conveyor and then pass through the wire mesh conveyor belt to the bottom of the machine housing. Because the unpacking section and the impurity removal section are only composed of a main roller and an inner front auxiliary roller, and a main roller and an inner rear auxiliary roller, respectively, the impurity removal effect is poor. Furthermore, since the conveyor belt of the third conveyor is only a wire mesh conveyor belt, only a small portion of the hemp fibers and stalk fragments from the main roller and inner rear auxiliary roller that fall onto the conveyor belt automatically pass through the belt and fall to the bottom of the machine box. This results in a still high content of stalk fragments in the hemp fibers produced from the main roller and inner rear auxiliary roller, leading to low product quality. Utility Model Content

[0003] The problem this invention aims to solve is to provide an integrated machine for opening, loosening, and removing impurities from hemp stalks. Using this integrated machine to extract hemp fibers can improve the impurity removal effect and product quality.

[0004] The above-mentioned problems to be solved by this utility model are achieved by the following technical solution:

[0005] This utility model discloses an integrated machine for unpacking / loosening / removing impurities from hemp stalks. It includes a rectangular box arranged horizontally, with inlet and outlet ports at the front and rear ends, respectively. A conveyor is located inside the box; a main roller is positioned above the conveyor, perpendicular to the longitudinal direction of the box, with both ends of its shaft rotatably connected to the side wall of the box. Inner front auxiliary rollers and inner rear auxiliary rollers are located above both sides of the main roller. Radial steel nails are evenly distributed on the rolling surfaces of the main roller, inner front auxiliary rollers, and inner rear auxiliary rollers, and the radial steel nails on the main roller and the inner front and rear auxiliary rollers are arranged in an alternating pattern. The key feature is that the conveyor is a vibrating conveyor, and the conveyor belt of the vibrating conveyor is a wire mesh conveyor belt.

[0006] A further improvement of this utility model is that there is a vibrating roller between the upper and lower conveyor belts at both ends of the conveyor. The cross-section of the vibrating roller is triangular, and the roller shafts at both ends are connected to the side wall of the machine box by means of bearings.

[0007] A further improvement of this utility model is that the outer sides of the inner front auxiliary roller and the inner rear auxiliary roller are respectively provided with outer front auxiliary roller and outer rear auxiliary roller, and radial steel nails are evenly distributed on the outer front auxiliary roller and the outer rear auxiliary roller. The steel nails on the outer front auxiliary roller and the inner front auxiliary roller, and the radial steel nails on the outer rear auxiliary roller and the inner rear auxiliary roller are arranged in an alternating manner.

[0008] A further improvement of this utility model is that the outer sides of the outer front auxiliary roller and the outer sides of the outer rear auxiliary roller are respectively provided with a front baffle and a rear baffle, and the upper edges of the front baffle and the rear baffle are both connected to the top plate of the chassis.

[0009] A further improvement of this utility model is that a fiber elevator is located inside the housing following the conveyor. This fiber elevator includes a lower roller and an upper roller. The upper roller is located above and behind the lower roller, and a tension roller is located below and adjacent to the upper roller. The ends of the roller shafts of the upper roller, tension roller, and lower roller are all connected to the corresponding side walls of the housing by bearings. Each end of the upper roller, tension roller, and lower roller inside the housing has a sprocket, and a lifting chain is fitted between the sprockets at the same end. The width of the lifting chain is adapted to the width of the conveyor, and it is evenly distributed with steel nails inclined in the forward direction. On the upper two sides of the lifting chain are uniform hemp rollers and brushing hemp rollers, respectively. The ends of the roller shafts of the uniform hemp rollers and brushing hemp rollers are all connected to the corresponding side walls of the housing by bearings, and their rolling surfaces are evenly distributed with radial steel nails.

[0010] A further improvement of this utility model is that a fourth conveyor is located inside the housing below the rear of the conveyor. This fourth conveyor is a belt conveyor, and a built-in screw conveyor is located below its rear end. The longitudinal direction of the built-in screw conveyor is perpendicular to the longitudinal direction of the fourth conveyor. It contains a long groove with a semi-circular cross-section. One end of the long groove is connected to the housing wall of the corresponding side of the housing, and the other end protrudes outside the housing wall of the other side of the housing. A screw shaft is located inside the long groove, and both ends of the screw shaft are connected to the two end walls of the long groove by means of bearings.

[0011] A further improvement of this utility model is that the conveyor includes a second conveyor and a third conveyor, with the second conveyor being higher than the third conveyor. Both are vibrating conveyors, and their adjacent ends are fitted together with a gap. The main roller is located above and behind the second conveyor.

[0012] A further improvement of this utility model is that there is a first conveyor in front of the feed inlet of the chassis, the height of the first conveyor is higher than that of the second conveyor, and their adjacent ends are fitted together in a gap-like manner.

[0013] As can be seen from the above scheme, the conveyor is a vibrating conveyor, and the conveyor belt of this vibrating conveyor is a wire mesh conveyor belt. Vibrating rollers are installed between the upper and lower conveyor belts at both ends of the conveyor. These vibrating rollers have a triangular cross-section, and both ends of their shafts are connected to the side walls of the machine casing via bearings. Through the action of the vibrating rollers, the wire mesh conveyor belt vibrates significantly up and down, dislodging impurities (fragments of hemp stalks) from the hemp fibers and allowing them to fall to the bottom of the machine casing, thereby greatly improving the impurity removal effect and product quality.

[0014] Furthermore, outer front auxiliary rollers and outer rear auxiliary rollers are respectively installed on the outer sides of the inner front auxiliary roller and the inner rear auxiliary roller. Radial steel nails are evenly distributed on both the outer front and outer rear auxiliary rollers, and the radial steel nails on the outer front auxiliary roller and the outer rear auxiliary roller are arranged in an alternating pattern. The outer front auxiliary rollers prevent hemp fibers and broken hemp stalks from becoming entangled on the main roller. The outer rear auxiliary rollers further loosen and disperse the hemp stalks thrown from the main roller, facilitating the separation of impurities from the hemp fibers. This further improves the impurity removal effect and product quality. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the integrated machine for unpacking / loosening / removing impurities from hemp stalks according to this utility model. Detailed Implementation

[0016] like Figure 1As shown, the integrated hemp stalk unpacking / loosening / impurity removal machine of this utility model includes a housing 2, which is a cuboid arranged horizontally, with a feed inlet and a discharge outlet machined at its front and rear ends, respectively. A conveyor is installed inside the housing 2. A main roller 6 is positioned above the conveyor, perpendicular to the longitudinal direction of the housing 2, with both ends of its shaft rotatably connected to the side wall of the housing 2 via bearings. Inner front auxiliary rollers 5 and inner rear auxiliary rollers 7 are respectively positioned above the sides of the main roller 6. Radial steel nails 19 are evenly distributed on the rolling surfaces of the main roller 6, inner front auxiliary rollers 5, and inner rear auxiliary rollers 7, and the radial steel nails 19 on the main roller 6, inner front auxiliary rollers 5, and inner rear auxiliary rollers 7 are arranged in an alternating pattern. The conveyor is a vibrating conveyor, and the conveyor belt of the vibrating conveyor is a wire mesh conveyor belt. Vibrating rollers 17 are installed between the upper and lower conveyor belts at both ends of the conveyor. The cross-section of the vibrating rollers 17 is triangular, and the rollers at both ends are connected to the side wall of the housing 2 by means of bearings.

[0017] To improve the efficiency of unpacking, loosening and impurity removal, outer front auxiliary roller 4 and outer rear auxiliary roller 8 are respectively provided on the outer sides of the inner front auxiliary roller 5 and the inner rear auxiliary roller 7. Radial steel nails 19 are evenly distributed on the outer front auxiliary roller 4 and the outer rear auxiliary roller 8. The steel nails on the outer front auxiliary roller 4 and the inner front auxiliary roller 5, and the radial steel nails 19 on the outer rear auxiliary roller 8 and the inner rear auxiliary roller 7 are arranged in an alternating pattern.

[0018] A front baffle 22 and a rear baffle 23 are respectively provided on the outer side of the outer front auxiliary roller 4 and the outer side of the outer rear auxiliary roller 8. The upper edges of the front baffle 22 and the rear baffle 23 are both connected to the top plate of the chassis 2.

[0019] The housing 2 following the conveyor contains a fiber elevator, which includes a lower roller 14 and an upper roller 11. The upper roller 11 is located above and behind the lower roller 14, and a tension roller 13 is positioned below the upper roller 11. The rollers of the upper roller 11, tension roller 13, and lower roller 14 are all connected to their respective side walls of the housing 2 via bearings. Each of the upper roller 11, tension roller 13, and lower roller 14 within the housing 2 is connected to a sprocket at both ends, and a lifting chain 9 is fitted between the sprockets at the same end. The width of the lifting chain 9 is adapted to the width of the conveyor, and it is evenly distributed with steel nails inclined in the forward direction. On the upper sides of the lifting chain 9, a hemp-leveling roller 10 and a hemp-brushing roller 12 are respectively positioned. The rollers of the hemp-leveling roller 10 and the hemp-brushing roller 12 are also connected to their respective side walls of the housing 2 via bearings, and their rolling surfaces are evenly distributed with radial steel nails 19.

[0020] A fourth conveyor 16 is located within the housing 2 below the rear of the conveyor. This fourth conveyor 16 is a belt conveyor, and a built-in screw conveyor is located below its rear end. The longitudinal direction of the built-in screw conveyor is perpendicular to the longitudinal direction of the fourth conveyor 16. It contains a long groove 25 with a semi-circular cross-section. One end of the long groove 25 is connected to the wall of the housing 2 on the corresponding side, and the other end protrudes beyond the wall of the housing 2 on the other side. A screw shaft 24 is installed inside the long groove 25, and both ends of the screw shaft 24 are connected to the two end walls of the long groove 25 by bearings.

[0021] The conveyor system includes a second conveyor 20 and a third conveyor 18. The second conveyor 20 is higher than the third conveyor 18. Both are vibrating conveyors, and their adjacent ends are fitted together with a gap. The main roller 6 is located above and behind the second conveyor 20.

[0022] To facilitate the feeding of bundled hemp stalks 26 into the machine housing 2, a first conveyor 1 is installed before the feed inlet of the machine housing 2. The height of the first conveyor 1 is higher than that of the second conveyor 20, and their adjacent ends are fitted together in a gap-like manner.

Claims

1. A hemp stalk unpacking / loosening / impurity removal integrated machine, comprising a machine housing (2), which is a cuboid and horizontally arranged, with inlet and outlet ports at its front and rear ends respectively; a conveyor is located inside the machine housing (2); a main roller (6) is located above the conveyor, which is perpendicular to the longitudinal direction of the machine housing (2), and both ends of its roller shaft are rotatably connected to the side wall of the machine housing (2); an inner front auxiliary roller (5) and an inner rear auxiliary roller (7) are located above the two sides of the main roller (6), and radial steel nails (19) are evenly distributed on the rolling surfaces of the main roller (6), the inner front auxiliary roller (5) and the inner rear auxiliary roller (7), and the radial steel nails (19) on the main roller (6) and the inner front auxiliary roller (5) and the inner rear auxiliary roller (7) are arranged in an alternating manner; characterized in that: The conveyor is a vibrating conveyor, and the conveyor belt of the vibrating conveyor is a wire mesh conveyor belt.

2. The integrated machine for unpacking / loosening / removing impurities from hemp stalks according to claim 1, characterized in that: There is a vibrating roller (17) between the upper and lower conveyor belts at both ends of the conveyor. The cross-section of the vibrating roller (17) is triangular, and the rollers at both ends are connected to the side wall of the housing (2) by means of bearings.

3. The integrated machine for unpacking / loosening / removing impurities from hemp stalks according to claim 1, characterized in that: The outer sides of the inner front auxiliary roller (5) and the inner rear auxiliary roller (7) are respectively provided with outer front auxiliary roller (4) and outer rear auxiliary roller (8). Radial steel nails (19) are evenly distributed on the outer front auxiliary roller (4) and the outer rear auxiliary roller (8). The steel nails on the outer front auxiliary roller (4) and the inner front auxiliary roller (5), and the radial steel nails (19) on the outer rear auxiliary roller (8) and the inner rear auxiliary roller (7) are arranged in an alternating manner.

4. The integrated machine for unpacking / loosening / removing impurities from hemp stalks according to claim 3, characterized in that: The outer side of the outer front auxiliary roller (4) and the outer side of the outer rear auxiliary roller (8) are respectively provided with a front baffle (22) and a rear baffle (23), the upper sides of which are connected to the top plate of the chassis (2).

5. The integrated machine for unpacking / loosening / removing impurities from hemp stalks according to claim 1, characterized in that: The housing (2) following the conveyor contains a fiber elevator, which includes a lower roller (14) and an upper roller (11). The upper roller (11) is located above and behind the lower roller (14), and a tension roller (13) is located below the upper roller (11). The ends of the rollers of the upper roller (11), tension roller (13), and lower roller (14) are all connected to the corresponding side walls of the housing (2) by means of bearings. The upper roller (11), tension roller (13), and lower roller (14) inside the housing (2) (14) There are sprockets at both ends, and a lifting chain (9) is fitted between the sprockets at the same end; the width of the lifting chain (9) is adapted to the width of the conveyor, and steel nails inclined in the forward direction are evenly distributed on it; there are uniform hemp rollers (10) and brush hemp rollers (12) on the upper two sides of the lifting chain (9), and the roller shafts of the uniform hemp roller (10) and the brush hemp roller (12) are connected to the corresponding side walls of the machine box (2) by means of bearings, and radial steel nails (19) are evenly distributed on their rolling surfaces.

6. The integrated machine for unpacking / loosening / removing impurities from hemp stalks according to claim 1, characterized in that: The fourth conveyor (16) is located in the housing (2) below the rear of the conveyor. The fourth conveyor (16) is a belt conveyor with a built-in screw conveyor below its rear end. The longitudinal direction of the built-in screw conveyor is perpendicular to the longitudinal direction of the fourth conveyor (16). It contains a long groove (25) with a semi-circular cross-section. One end of the long groove (25) is connected to the wall of the corresponding side housing (2), and the other end protrudes outside the wall of the other side housing (2). There is a screw shaft (24) in the long groove (25). Both ends of the screw shaft (24) are connected to the two end walls of the long groove (25) by means of bearings.

7. The integrated machine for unpacking / loosening / removing impurities from hemp stalks according to claim 1, characterized in that: The conveyor includes a second conveyor (20) and a third conveyor (18). The second conveyor (20) is higher than the third conveyor (18). They are both vibrating conveyors and are fitted together with gaps at their adjacent ends. The main roller (6) is located above the rear of the second conveyor (20).

8. The integrated machine for unpacking / loosening / removing impurities from hemp stalks according to any one of claims 1 to 7, characterized in that: There is a first conveyor (1) in front of the feed inlet of the chassis (2), the height of which is higher than that of the second conveyor (20), and their adjacent ends are fitted together in a gap.