Adhesive tobacco leaf loosening and separating device and method

Abstract

The invention discloses an adhesive tobacco leaf loosening and separating device and method. The adhesive tobacco leaf loosening and separating device comprises a rack, a stirring box is arranged on the rack, a feeding port is formed in the upper portion of the stirring box, a discharging port is formed in the bottom of the stirring box, a flexible rubbing mechanism is arranged in the stirring box, a separating box is arranged below the discharging port, and a separator and a conveyor connected with the separator are arranged at the discharging port of the separating box. The device is simple in structure, low in cost and high in operation convenience, adhered tobacco leaves can be rubbed and loosened through the flexible rubbing mechanism and the separator used in cooperation with the flexible rubbing mechanism, then the loosened tobacco leaves are separated through a leaf rubbing process to achieve leaf-by-leaf conveying, the separation effect is good, damage to the tobacco leaves is small, time and labor are saved in operation, the separation efficiency is high, and the device is suitable for popularization and application. The economic practicability is good.

Description

Technical Field

[0001] The invention relates to a device and method for loosening and separating adhered tobacco leaves, belonging to the technical field of tobacco leaf loosening equipment. Background Art

[0002] In the tobacco processing industry, tobacco raw materials often stick together during harvesting, transportation and storage due to factors such as humidity and pressure, forming a lumpy structure. Traditional processing methods mainly rely on manual sorting, which has problems such as low efficiency and high labor intensity.

[0003] At present, many processing factories use tobacco loosening equipment to separate tobacco leaves, such as mechanical separation devices based on the principle of mechanical beating, which have a simple structure and can improve the efficiency of loosening and separating tobacco leaves, but the tobacco leaf breakage rate is high. Patent document CN 112089084 A discloses a tobacco leaf loosening vibration unit and a tobacco leaf discharging device and production line, which uses a tobacco leaf loosening vibration unit to loosen tobacco leaves that are stuck or agglomerated, which can reduce the breakage rate of tobacco leaves, improve the efficiency of loosening and separating tobacco leaves, and reduce the intensity of manual labor. However, the separation effect on dense adhesions is poor. For deep adhesion tobacco leaves formed in a high humidity environment, conventional vibration separation has a high residual adhesion rate.

[0004] Therefore, the industry is in urgent need of an intelligent loose separation device that can achieve low damage and high separation effect. Summary of the invention

[0005] In view of this, an object of the present invention is to provide a device and method for loosely separating adhering tobacco leaves, so as to at least solve the problems mentioned in the background technology.

[0006] The objective of the present invention is achieved through the following technical solutions: A device for loosening and separating stuck tobacco leaves comprises a frame, a stirring box is arranged on the frame, a feeding port is arranged at the top of the stirring box, a discharging port is arranged at the bottom, a flexible kneading mechanism is arranged in the stirring box, a separation box is arranged below the discharging port, and a conveyor connected to the separator is arranged at the discharging port of the separation box.

[0007] Furthermore, the frame includes a vertical rectangular frame and a horizontal rectangular frame arranged on one side of the vertical rectangular frame; the stirring box is composed of a left stirring box and a right stirring box which can be closed or separated from each other, the left stirring box includes a left box frame arranged on the top of the vertical rectangular frame, the left box frame is slidably connected to the top of the vertical rectangular frame through a first telescopic mechanism, and a half of the left stirring box body is provided on the side of the left box frame close to the right stirring box; the right stirring box includes a right box frame arranged on the top of the horizontal rectangular frame, the right box frame is slidably connected to the top of the horizontal rectangular frame through a second telescopic mechanism, and a half of the right stirring box body is provided on the side of the right box frame close to the left stirring box body and is positioned opposite to it.

[0008] Furthermore, the flexible kneading mechanism comprises a left kneading mechanism and a right kneading mechanism which are respectively arranged in the left stirring box and the right stirring box on two opposite sides, and the left kneading mechanism and the right kneading mechanism have the same or similar structures.

[0009] Further, the left kneading mechanism includes a first flexible belt body, a first stirring mechanism is provided on the back of the first flexible belt body, the first stirring mechanism includes a left stirring roller, a plurality of left stirring blades distributed in a spiral shape are provided on the left stirring roller, a left circular kneading end abutting against the first flexible belt body is provided at the end of the left stirring blade, and the left stirring roller is connected to the third motor through a first belt transmission structure; the right kneading mechanism includes a second flexible belt body, a second stirring mechanism is provided on the back of the second flexible belt body, the second stirring mechanism includes a right stirring roller, a plurality of right stirring blades distributed in a spiral shape are provided on the right stirring roller, a right circular kneading end abutting against the second flexible belt body is provided at the end of the right stirring blade, and the right stirring roller is connected to the fourth motor through a second belt transmission structure.

[0010] Furthermore, the first stirring mechanism is arranged on the outside of the left stirring box and is fixedly connected to the left box frame, and a plurality of first avoidance grooves opposite to the position of the left stirring blade are provided on the left stirring box, so that the left stirring blade extends into the left stirring box, and the left circular kneading end at the end thereof abuts against the first flexible belt body; the second stirring mechanism is arranged on the outside of the right stirring box and is fixedly connected to the right box frame, and a plurality of second avoidance grooves opposite to the position of the right stirring blade are provided on the right stirring box, so that the right stirring blade extends into the right stirring box, and the right circular kneading end at the end thereof abuts against the second flexible belt body.

[0011] Furthermore, the left stirring blades and the right stirring blades are both double-helical arc plates, there are at least three groups of double-helical arc plates evenly spaced on the left stirring roller, there are at least two groups of double-helical arc plates evenly spaced on the right stirring roller, and the double-helical arc plates on the left stirring roller are staggered with the double-helical arc plates on the right stirring roller.

[0012] Furthermore, a lifting plate mechanism is provided at the bottom of the separation box, and a discharge port is provided on one side of the top. The separator includes a separation roller arranged at the discharge port of the separation box and a separation motor connected thereto. A plurality of arc-shaped impellers are evenly distributed on the separation roller, and an arc-shaped scraper structure for use therewith is provided on the upper side of the arc-shaped impeller.

[0013] Furthermore, it also includes a spray nozzle arranged on the stirring box, and the spray nozzle is connected to the atomization device through a spray pipe system.

[0014] Furthermore, it also includes an automatic feeding mechanism, and the discharge port of the automatic feeding mechanism is connected to the feed port of the stirring box.

[0015] The method for loosening and separating the stuck tobacco leaves based on the above device firstly adopts a flexible kneading process to loosen the stuck tobacco leaves, and then adopts a leaf rubbing process to separate the loosened tobacco leaves to realize leaf-by-leaf transportation.

[0016] Compared with the prior art, the beneficial effects of the present invention are: The invention has the advantages of simple structure, low cost and convenient operation. Through the flexible kneading mechanism and the separator used therewith, the adhered tobacco leaves can be kneaded to loosen them first, and then the loosened tobacco leaves can be separated through the leaf kneading process to realize leaf-by-leaf transportation. The separation effect is good, and it also has a good loosening effect on the deep-layer adhered tobacco leaves formed in a high humidity environment, and the damage to the tobacco leaves is small. The operation is time-saving and labor-saving, the separation efficiency is high, and the invention has good economic practicality.

[0017] Other advantages, objectives and features of the present invention will be described in the following description to some extent, and to some extent, will be obvious to those skilled in the art based on the following examination and study, or can be taught from the practice of the present invention. The objectives and other advantages of the present invention can be realized and obtained through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention will be further described in detail below with reference to the accompanying drawings, in which: Figure 1 The front structure of the present invention is shown in FIG. Figure 1 ; Figure 2 The front structure of the present invention is shown in FIG. Figure 2 ; Figure 3 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 4 It is the front structural schematic diagram of the left stirring box; Figure 5 for Figure 4 Schematic diagram of the three-dimensional structure; Figure 6 is a front structural schematic diagram of the first stirring mechanism; Figure 7 for Figure 6 Schematic diagram of the three-dimensional structure; Figure 8 It is a front structural schematic diagram of the right stirring box; Fig. 9 for Figure 8 Schematic diagram of the three-dimensional structure; Fig.10 is a front structural schematic diagram of the second stirring mechanism; Fig.11 for Fig.10 Schematic diagram of the three-dimensional structure; Fig.12 It is a schematic diagram of the front connection structure of the separation box and the separator; Fig.13 for Fig.12 Schematic diagram of the three-dimensional structure; Fig.14 It is a schematic diagram of the three-dimensional structure of the separation roller; Fig.15 It is a schematic diagram of the three-dimensional structure of the conveyor.

[0019] In the figure: 1. Frame; 101. Vertical rectangular frame; 102. Horizontal rectangular frame; 2. stirring box; 201. left box frame; 202. first telescopic mechanism; 203. left stirring box body; 2031. first avoidance groove; 204. right box frame; 2041. support platform; 2042. right frame structure; 205. second telescopic mechanism; 206. right stirring box body; 2061. second avoidance groove; 207. first guide rail; 208. second guide rail; 3. Flexible kneading mechanism; 301. First flexible belt body; 302. Left stirring roller; 303. Left stirring blade; 304. Left circular kneading end; 305. First belt transmission structure; 306. Third motor; 307. Second flexible belt body; 308. Right stirring roller; 309. Right stirring blade; 310. Right circular kneading end; 311. Second belt transmission structure; 312. Fourth motor; 4. Separation box; 5. Separator; 501. Separation roller; 502. Arc-shaped impeller; 503. Arc-shaped scraper structure; 504. Separation motor; 6. Conveyor; 601. Conveyor frame; 602. Conveyor belt conveyor; 7. Lifting plate mechanism; 701. Support plate; 702. Third telescopic mechanism; 703. Fifth motor; 704. Frame; 705. Third guide rail; 8. Spray nozzle; 9. Automatic feeding mechanism; 10 tobacco leaves. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] Example 1 like Figure 1-Figure 15As shown, the present invention provides a loose separation device for adhering tobacco leaves, including a frame 1, on which a stirring box 2 is provided, the stirring box 2 is provided with a feed inlet at the top, and a discharge outlet at the bottom, a flexible kneading mechanism 3 is provided in the stirring box 2, a separation box 4 is provided below the discharge outlet, and a separator 5 and a conveyor 6 connected thereto are provided at the discharge outlet of the separation box 4.

[0022] The frame 1 includes a vertical rectangular frame 101 and a horizontal rectangular frame 102 arranged on one side of the vertical rectangular frame 101. This structure facilitates the arrangement and installation of the subsequent separator 5 and the conveyor 6. The vertical rectangular frame 101 and the horizontal rectangular frame 102 are composed of a plurality of rods.

[0023] The stirring box 2 is composed of a left stirring box and a right stirring box which can be closed or separated. The left stirring box includes a left box frame 201 arranged on the top of the vertical rectangular frame 101, the left box frame 201 is slidably connected to the top of the vertical rectangular frame 101 through a first telescopic mechanism 202, and a half of a left stirring box body 203 is arranged on the side of the left box frame 201 close to the right stirring box; the right stirring box includes a right box frame 204 arranged on the top of the horizontal rectangular frame, the right box frame 204 is slidably connected to the top of the horizontal rectangular frame 102 through a second telescopic mechanism 205, and a half of a right stirring box body 206 is arranged on the side of the right box frame close to the left stirring box body 203 and opposite to it.

[0024] The left box frame 201 is a frame structure composed of a plurality of rods, with first guide rails 207 provided on both sides of the bottom of the left box frame, and a first telescopic mechanism 202 provided in the middle, wherein the first telescopic mechanism 202 is a first electric telescopic mechanism and a first motor connected thereto. When the first telescopic mechanism 202 performs telescopic movement, it can drive the left box frame 201 to slide along the first guide rails 207.

[0025] The right box frame 204 includes a support platform 2041 and a right frame structure 2042 arranged on the support platform 2041, wherein the right frame structure 2042 is symmetrically arranged with the left box frame 201, the support platform 2041 and the vertical rectangular frame 1 form a cavity of the separation box 4, the two sides of the right frame structure 2042 are slidably connected with the support platform 2041 through the second guide rail 208, and the middle part is provided with a second telescopic mechanism 205, which is a second electric telescopic mechanism and a second motor connected thereto. When the second telescopic mechanism 205 performs telescopic movement, it can drive the right frame structure 2042 to slide along the second guide rail 208.

[0026] The flexible kneading mechanism 3 includes a left kneading mechanism and a right kneading mechanism which are respectively arranged in the left stirring box and the right stirring box and on two opposite sides. The left kneading mechanism and the right kneading mechanism have the same or similar structures. Specifically, the left kneading mechanism includes a first flexible belt body 301, a first stirring mechanism is arranged on the back of the first flexible belt body 301, the first stirring mechanism includes a left stirring roller 302, a plurality of left stirring blades 303 distributed in a spiral shape are arranged on the left stirring roller 302, a left circular kneading end 304 abutting against the first flexible belt body 301 is arranged at the end of the left stirring blade 303, and the left stirring roller 302 is connected to the third motor 306 through a first belt transmission structure 305. The first stirring mechanism is arranged outside the left stirring box 203 and fixedly connected to the left box frame 201, and is easy to disassemble and assemble. A plurality of first avoidance grooves 2031 are provided on the left stirring box 203, which are opposite to the positions of the left stirring blades 303, so that the left stirring blades 303 can extend into the left stirring box 203, and the left circular kneading end 304 at the end thereof abuts against the first flexible belt body 301. The right kneading mechanism includes a second flexible belt body 307, and a second stirring mechanism is provided on the back of the second flexible belt body 307. The second stirring mechanism includes a right stirring roller 308, and a plurality of right stirring blades 309 distributed in a spiral shape are provided on the right stirring roller 308. A right circular kneading end 310 abutting against the second flexible belt body 307 is provided at the end of the right stirring blade 309, and the right stirring roller 308 is connected to the fourth motor 312 through a second belt transmission structure 311. The second stirring mechanism is arranged outside the right stirring box 206 and fixedly connected to the right box frame 204, and is easy to disassemble and assemble. A plurality of second avoidance grooves 2061 are provided on the right stirring box 206, which are opposite to the position of the right stirring blade 309, so that the right stirring blade 206 can extend into the right stirring box 206, and the right circular kneading end 310 at the end thereof abuts against the second flexible belt 307. Preferably, the left stirring blade 303 and the right stirring blade 309 are both double helical arc plates, at least three groups of double helical arc plates are evenly spaced on the left stirring roller 302, at least two groups of double helical arc plates are evenly spaced on the right stirring roller 308, and the double helical arc plates on the left stirring roller 302 and the double helical arc plates on the right stirring roller 308 are staggered.

[0027] The first flexible belt body 301 and the second flexible belt body 307 can be rubber cloth, plastic cloth, textile cloth, etc.

[0028] The separation box 4 has a lifting plate mechanism 7 at the bottom and a discharge port at one side of the top. The separator 5 includes a separation roller 501 arranged at the discharge port of the separation box 4 and a separation motor 504 connected thereto. A plurality of arc-shaped impellers 502 are evenly distributed on the separation roller 501, and an arc-shaped scraper structure 503 used in conjunction with the arc-shaped impeller 502 is provided on the upper side thereof.

[0029] The lifting plate mechanism 7 includes a support plate 701 disposed at the bottom of the separation box 4, a third telescopic mechanism 702 and a fifth motor 703 connected thereto are disposed at the bottom of the support plate 701, and the third telescopic mechanism 702 and the fifth motor 703 are connected to the horizontal rectangular frame 102 through a frame 704. Specifically, the frame 704 can be connected to the horizontal rectangular frame 102 through a bolt connection structure, a third guide rail 705 is disposed on both sides of the frame 704, and the third telescopic mechanism 702 is disposed between the two third guide rails 705 to achieve stable lifting of the support plate 701. The third telescopic mechanism 702 can be an electric telescopic rod structure.

[0030] The support plate 701 includes a movable bottom plate and a guide plate arranged on the movable bottom plate and tilted downward relative to one side of the separator.

[0031] The conveyor 6 includes a conveyor frame 601 connected to the horizontal rectangular frame 102 , and a conveyor belt 602 connected to the separator 5 is provided on the conveyor frame 601 .

[0032] Example 2 Based on Example 1, the present invention provides a loosening and separating device for adhering tobacco leaves, further comprising a spray nozzle 8 provided on the stirring box, the spray nozzle 8 being connected to the atomizing device through a spray pipe system. When the humidity of the tobacco leaves is low, the humidity of the tobacco leaves can be increased by spraying into the stirring box through the spray nozzle 8 to avoid damage to the tobacco leaves during the rubbing process.

[0033] Example 3 On the basis of embodiments 1 and 2, the present invention provides a loosening and separating device for adhering tobacco leaves, further comprising an automatic feeding mechanism 9, the discharge port of which is connected to the feed port of the stirring box. The automatic feeding mechanism 9 is a hoist.

[0034] Method for loosening and separating stuck tobacco leaves based on the above device: (1) The right stirring box and the left stirring box are driven to move toward the middle, so that the lower openings of the two are closed to form an empty box body, and the elevator lifts the adhering tobacco leaves into the empty cavity. The left stirring roller 302 and the right stirring roller 308 rotate under the drive of the motor, respectively pushing the first flexible belt body 301 and the second flexible belt body 307 to continuously rub the tobacco leaves, so that the adhering tobacco leaves become loose; When the humidity of tobacco leaves is low, the humidity of tobacco leaves can be increased by spraying into the stirring box through the spray nozzle to avoid damage to the tobacco leaves during the rubbing process; (2) After the specified kneading time is reached, the right stirring box and the left stirring box are separated to the left and right sides respectively, and an opening appears in the lower part of the two. The loose tobacco leaves fall into the separation box 4 along the opening under the action of gravity. Initially, the support plate 701 drops to the lowest point, and then moves upward layer by layer, so that the top layer of tobacco leaves is close to the separation roller 501. The separation roller rotates and separates the tobacco leaves through the rubbing impeller 502. Like a printer feeding paper, the tobacco leaves are rolled out piece by piece and fall onto the conveyor belt 602 of the conveyor for output, finally achieving the function of loosening and separating the adhering tobacco leaves.

[0035] The above description is only a preferred embodiment of the present invention and does not constitute any form of confidentiality restriction on the present invention. Any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the technical solution of the present invention still falls within the scope of the technical solution of the present invention.

Claims

1. A device for loosening and separating adhering tobacco leaves, characterized in that: The invention comprises a frame (1), a stirring box (2) is provided on the frame (1), a feeding port is provided at the top of the stirring box (2), a discharging port is provided at the bottom, a flexible kneading mechanism (3) is provided in the stirring box (2), a separation box (4) is provided below the discharging port, and a separator (5) and a conveyor (6) connected thereto are provided at the discharging port of the separation box (4).

2. The device for loosening and separating adhering tobacco leaves according to claim 1, characterized in that: The frame (1) comprises a vertical rectangular frame (101) and a horizontal rectangular frame (102) arranged on one side of the vertical rectangular frame (101); the stirring box (2) is composed of a left stirring box and a right stirring box which are two halves that can be closed or separated from each other; the left stirring box comprises a left box frame (201) arranged on the top of the vertical rectangular frame; the left box frame (201) is slidably connected to the top of the vertical rectangular frame (101) through a first telescopic mechanism (202); a half of a left stirring box body (203) is provided on the side of the left box frame (201) close to the right stirring box; the right stirring box comprises a right box frame (204) arranged on the top of the horizontal rectangular frame; the right box frame (204) is slidably connected to the top of the horizontal rectangular frame (102) through a second telescopic mechanism (205); a half of a right stirring box body (206) is provided on the side of the right box frame close to the left stirring box body (203) and is opposite to the left stirring box body (203).

3. The device for loosening and separating adhering tobacco leaves according to claim 2, characterized in that: The flexible kneading mechanism (3) comprises a left kneading mechanism and a right kneading mechanism which are respectively arranged on two opposite sides of the left stirring box and the right stirring box, and the left kneading mechanism and the right kneading mechanism have the same or similar structures.

4. The device for loosening and separating adhering tobacco leaves according to claim 3, characterized in that: The left kneading mechanism comprises a first flexible belt body (301), a first stirring mechanism is arranged on the back of the first flexible belt body (301), the first stirring mechanism comprises a left stirring roller (302), a plurality of left stirring blades (303) distributed in a spiral shape are arranged on the left stirring roller (302), a left circular kneading end (304) abutting against the first flexible belt body (301) is arranged at the end of the left stirring blade (303), and the left stirring roller (302) is connected to a third motor (306) via a first belt transmission structure (305); The right kneading mechanism comprises a second flexible belt body (307), a second stirring mechanism is arranged on the back of the second flexible belt body (307), the second stirring mechanism comprises a right stirring roller (308), a plurality of right stirring blades (309) distributed in a spiral shape are arranged on the right stirring roller (308), a right circular kneading end (310) abutting against the second flexible belt body (307) is arranged at the end of the right stirring blade (309), and the right stirring roller (308) is connected to a fourth motor (312) via a second belt transmission structure (311).

5. The device for loosening and separating adhering tobacco leaves according to claim 4, characterized in that: The first stirring mechanism is arranged on the outside of the left stirring box (203) and is fixedly connected to the left box frame (201); a plurality of first avoidance grooves (2031) are provided on the left stirring box (203) and are opposite to the position of the left stirring blade (303), so that the left stirring blade (303) extends into the left stirring box (203), and the left circular kneading end (304) at the end thereof abuts against the first flexible belt (301); the second stirring mechanism is arranged on the outside of the right stirring box (206) and is fixedly connected to the right box frame (204); a plurality of second avoidance grooves (2061) are provided on the right stirring box (206) and are opposite to the position of the right stirring blade (309), so that the right stirring blade (206) extends into the right stirring box (206), and the right circular kneading end (310) at the end thereof abuts against the second flexible belt (307).

6. The device for loosening and separating adhering tobacco leaves according to claim 5, characterized in that: The left stirring blade (303) and the right stirring blade (309) are both double-helical arc plates. At least three groups of double-helical arc plates are evenly spaced on the left stirring roller (302), and at least two groups of double-helical arc plates are evenly spaced on the right stirring roller (308). The double-helical arc plates on the left stirring roller (302) and the double-helical arc plates on the right stirring roller (308) are staggered.

7. The device for loosening and separating adhering tobacco leaves according to claim 1, characterized in that: The separation box (4) is provided with a lifting plate mechanism (7) at the bottom and a discharge port at one side of the top. The separator (5) comprises a separation roller (501) arranged at the discharge port of the separation box (4) and a separation motor (504) connected thereto. A plurality of arc-shaped impellers (502) are evenly distributed on the separation roller (501), and an arc-shaped scraper structure (503) for use with the arc-shaped impeller is provided on the upper side of the arc-shaped impeller.

8. The device for loosening and separating adhering tobacco leaves according to any one of claims 1 to 7, characterized in that: It also includes a spray nozzle (8) arranged on the stirring box, and the spray nozzle (8) is connected to the atomization device through a spray pipe system.

9. The device for loosening and separating adhering tobacco leaves according to claim 8, characterized in that: It also comprises an automatic feeding mechanism (9), wherein the discharge port of the automatic feeding mechanism (9) is connected to the feed port of the stirring box.

10. A method for loosening and separating adhering tobacco leaves based on the device of claim 1, characterized in that: First, a flexible kneading process is used to loosen the stuck tobacco leaves, and then a leaf rubbing process is used to separate the loosened tobacco leaves for leaf-by-leaf transportation.

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