Material guiding device in winnowing box of in-situ winnowing machine

By installing a material guiding device inside the air separator and adjusting the angle and width of the guide plate to increase the air separation area, the problem of poor air separation effect is solved, and efficient separation of impurities and improvement of tobacco purity are achieved.

CN223875535UActive Publication Date: 2026-02-06HONGYUN HONGHE TOBACCO (GRP) CO LTD
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Patent Information

Application Number
CN202520284397.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-21
Publication Date
2026-02-06
Estimated Expiration
2035-02-21

AI Technical Summary

Technical Problem

The air separation area of ​​the air separation box in the local air separator is too small, resulting in poor air separation effect, low impurity rate, low tobacco purity, and affecting the quality of cigarettes.

Method used

A material guiding device, including an adjustment mechanism and a guide plate, is installed inside the air classifier. By adjusting the angle and width of the guide plate, the air classification area is increased and the material path is extended, so that the impurities fall into the secondary air classifier for re-air classification.

Benefits of technology

It improves air separation efficiency, increasing the impurity removal rate from 0.25% to over 0.35%, improving the purity of tobacco shreds, and reducing the probability of yellow-spotted tobacco and stems puncturing the cigarette.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a material guiding device in a winnowing box of an in-situ winnowing machine, the material guiding device is arranged in the material guiding device, the material guiding device comprises an adjusting mechanism and a guide plate, the adjusting mechanism is composed of a rotating shaft, a rotating arm and a fixed seat, and a 1 / 6 arc limiting guide rail of the fixed seat is matched with an extension section of the rotating arm to realize rotation adjustment of the rotating shaft; the guide plate comprises a fixed guide plate body and a movable guide plate body, the fixed guide plate body is connected with the rotating shaft through a U-shaped connecting piece, the movable guide plate body is connected with the fixed guide plate body through a kidney-shaped hole, and the width of the guide plate can be adjusted. Part of the tobacco shreds containing impurities slide to the secondary winnowing box, winnowing paths and areas are increased, winnowing efficiency is improved, the impurity removal rate of slivers, wet clusters and other impurities is increased to 0.35% or above from 0.25%, the purity of the tobacco shreds is improved, the problems of yellow spot cigarettes, punctured cigarettes and the like are reduced, and practicability is high.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of cigarette processing equipment, relates to the improvement of the internal structure of the winnowing box of the on-site winnower, in particular to a material guiding device in the winnowing box of the on-site winnower. BACKGROUND

[0002] In the cigarette processing industry, in order to improve the purity of cut tobacco, prevent the generation of yellow spot tobacco and stem plug that pierces the cigarette, and ensure product quality, an on-site winnower is generally arranged after the cut tobacco drying machine to remove the wet lumps, stem plugs and other impurities in the dried cut tobacco.

[0003] However, in actual use, the winnowing area in the winnowing box of the on-site winnower is too small, only 800 mm wide, and the cut tobacco sent by the high-speed belt from the inlet end is easy to cross this area and enter the discharge conveying belt, and only the large and heavy wet lumps, stem plugs and other impurities will enter the secondary selection box for re-winnowing, which leads to poor winnowing effect, low impurity removal rate, low purity of cut tobacco, and thus affects the quality of the cigarette product. SUMMARY

[0004] To solve the problem of poor winnowing effect and low impurity removal rate caused by the too small winnowing area in the winnowing box of the on-site winnower, the utility model provides a material guiding device in the winnowing box of the on-site winnower to solve the quality problem caused by the on-site winnower.

[0005] To achieve the above-mentioned purpose, the utility model is implemented according to the following technical solutions:

[0006] A material guiding device in the winnowing box of the on-site winnower, the material guiding device is installed above the outlet end rotating shaft in the winnowing box of the on-site winnower, and the material guiding device comprises an adjusting mechanism and a guide plate installed in the winnowing box through the adjusting mechanism.

[0007] The adjusting mechanism comprises a rotating shaft and a rotating arm for rotating the rotating shaft, and the rotating arm swings in the arc-shaped slot on the circular arc-shaped limiting guide rail of the fixed seat arranged outside the winnowing box body to adjust the inclination angle of the guide plate.

[0008] The guide plate is installed inside the winnowing box and comprises a fixed guide plate and a movable guide plate, the movable guide plate is connected to the fixed guide plate and connected to the rotating shaft of the adjusting mechanism through the fixed guide plate, and is used for guiding the wind inward to increase the winnowing area.

[0009] The movable guide plate comprises a panel and an arc-shaped plate, and the panel is provided with a connecting hole connected to the fixed guide plate.

[0010] The fixed guide plate is connected to the rotating shaft through the connecting piece.

[0011] Further, the rotating shaft penetrates through the box walls on both sides of the winnowing box, and a bearing with a seat adapted to the rotating shaft is installed in the perforation of the box wall.

[0012] Further, the rotating arm is connected at the end of the rotating shaft, and one end of the rotating arm is connected with the rotating shaft, and the other end is connected with a hand-holding section for adjusting the inclination of the guide plate by rotating the rotating shaft.

[0013] Further, the limiting guide rail is installed outside the winnowing box and is provided with a gap between the winnowing box.

[0014] Further, the arc-shaped slot is a same-arc slot provided on the limiting guide rail, and the length of the arc-shaped slot is 1 / 6 of a circle.

[0015] Further, the top of the hand-holding section is provided with an extension section, the end of the extension section extends into the arc-shaped slot of the limiting guide rail, and the extension section is fixedly connected with the arc-shaped slot of the limiting guide rail through a nut.

[0016] Further, the connecting piece of the fixed guide plate back plate is a "U"-shaped connecting piece matched with the rotating shaft, and the side wall of the connecting piece is provided with a mounting hole connected with the rotating shaft.

[0017] Further, the connecting hole on the movable guide plate is a waist-shaped hole, and the waist-shaped hole is used for adjusting the width of the guide plate.

[0018] The working principle of the utility model is as follows: a material guiding device in a winnowing box of an in-situ winnowing machine, the material guiding device is installed above the rotating shaft at the outlet end of the winnowing box of the in-situ winnowing machine, the material guiding device comprises an adjusting mechanism (1) and a guide plate installed in the winnowing box (5) through the adjusting mechanism (1); the guide plate can be adjusted at will in the winnowing box (5) through the adjusting mechanism (1) according to requirements, the path of material falling is prolonged, the winnowing area of the winnowing box (5) of the in-situ winnowing machine is increased,

[0019] Initial installation and preparation: the rotating shaft (11) is installed through the wall of the wind box (5) on both sides, fixed in the wall hole by the matched bearing (4) (4), ensuring the flexible rotation of the rotating shaft (11) and the horizontality of the rotating shaft (11). The rotating arm (12) is connected to the end of the rotating shaft (11) on either side, perpendicular to the rotating shaft (11) and fixedly connected to the rotating shaft (11) at one end, and provided with a hand-held section (13) at the other end. The limiting guide rail (151) of the fixed seat (15) is installed outside the wind box (5) through the connecting column (152), so that there is a space between the limiting guide rail (151) and the wall for the tool or hand to enter, and the extension section does not contact and damage the wall of the wind box (5). The limiting guide rail (151) is in the shape of 1 / 6 arc, and the included angle between the intersection points of the extension lines at both ends of the arc-shaped groove (1511) is 60°. The rotating arm is swung in the arc-shaped groove (1511), and the guide plate can be adjusted. The extension section (14) at the top of the hand-held section (13) extends to the arc-shaped groove (1511) of the limiting guide rail (151), and is fixed by a nut, providing guidance and positioning for the rotation of the rotating arm (12). The fixed guide plate (2) is connected to the rotating shaft (11) through the "U"-shaped connecting piece (21), and the mounting hole in the side wall of the "U"-shaped connecting piece (21) is matched with the rotating shaft (11), and the connecting piece (21) is fastened by bolts. The movable guide plate (3) is connected to the fixed guide plate (2) through the adjusting connecting hole (33) (waist-shaped hole), and the width of the guide plate can be adjusted.

[0020] Adjusting the angle of the guide plate: the operator rotates the rotating shaft (11) by holding the hand-held section (13) of the rotating arm (12). The rotating arm (12) rotates around the rotating shaft (11), and the extension section (14) moves in the arc-shaped groove (1511) of the limiting guide rail (151), thereby driving the fixed guide plate (2) and the movable guide plate (3) to rotate, adjusting the inclination angle of the guide plate. After adjusting to the required angle, the rotating arm (12) is fixed by the thread cooperation between the nut and the tip of the extension section (14), so as to further fix the angle of the guide plate (2).

[0021] The guide plate is at the required angle, and the tobacco containing wet lumps, stems and other sundries which should originally enter the discharge conveying belt (7) falls on the guide plate and slides downward to the air supplementing funnel of the secondary air separating box (5), the path of the material air separation is increased, the air separation area of the air separator is increased, in this process, the lighter and looser tobacco is lifted upward again by the air supplement and is separated, and the heavier wet lumps, stems and bunched tobacco continue to slide downward and are separated in the secondary air separating box (5).

[0022] Compared with the prior art, the beneficial effects of the present application are:

[0023] The material guide device increases the air separation area of the air separator, the tobacco containing wet lumps, stems and other sundries which should originally enter the discharge conveying belt falls on the guide plate and slides downward to the secondary air separating box for air separation again, the air separation efficiency is improved, the stem and wet lump sundry removal rate is increased from 0.25% to 0.35% or more, the purity of the tobacco is further improved, and the probability of yellow spot tobacco and broken tobacco caused by the wet lumps and stems in the tobacco is effectively reduced. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 The structure diagram of the material guide device added in the air separating box of the air separator;

[0025] Figure 2 The exploded view of the material guide device of the air separating box of the air separator;

[0026] Figure 3 The schematic view of the material guide device at 90 degrees;

[0027] Figure 4 The adjustment schematic view of the material guide device;

[0028] Figure 5 The sectional view of the air separating box of the air separator;

[0029] Figure 6 The internal view of the air separating box of the air separator;

[0030] Figure 7 The air separation and discharging schematic view in the air separating box of the air separator;

[0031] Figure 8 The front view of the air separating box of the air separator;

[0032] In the figure, 1 - adjustment mechanism; 11 - rotating shaft; 12 - rotating arm; 13 - handheld section; 14 - extension section; 15 - fixed seat; 151 - limiting guide rail; 1511 - arc-shaped groove; 152 - connecting column; 2 - fixed guide plate; 21 - connecting piece; 3 - movable guide plate; 31 - panel; 32 - arc-shaped plate; 33 - connecting hole; 4 - bearing with seat; 5 - winnowing box; 6 - incoming material conveying belt; 7 - outgoing material conveying belt. DETAILED DESCRIPTION

[0033] To make the objectives, technical solutions and advantages of the present application clearer, further detailed description will be made to the present application with specific embodiments and in reference to the drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the present application. In addition, in the following description, the description of well-known structures and technologies will be omitted to avoid unnecessary confusion of the concept of the present application.

[0034] Example 1: A material guiding device in a winnowing box of an in-situ winnower, which is installed above the rotating shaft at the outlet end of the winnowing box 5 of the in-situ winnower, between the incoming material conveying belt 6 and the outgoing material conveying belt 7, and is used to make the wet tobacco containing material, stem and other sundries that should have fallen onto the outgoing material conveying belt 7 first fall onto the material guiding plate and slide downward to the air supplementing hopper of the secondary winnowing box 5 for re-winnower, and then part of the relatively light and loose tobacco is lifted upward and selected, while the heavy wet material, stem and bunched tobacco continue to fall downward and are sorted in the secondary winnowing box 5.

[0035] The material guiding device comprises an adjustment mechanism 1 and a guide plate installed in the winnowing box 5 through the adjustment mechanism 1, which is composed of a rotating arm 12, an arc-shaped fixed seat 15, a rotating shaft 11, a rotating arm 12, a connecting piece 21, a fixed guide plate 2, a movable guide plate 3, a bearing with seat 4 at both ends of the rotating shaft 11, etc.

[0036] Among them, the adjustment mechanism 1 comprises a rotating shaft 11 and a rotating arm 12 for rotating the rotating shaft 11, the rotating shaft 11 is fixed through the bearing with seat 4 installed by punching holes on the side walls of the winnowing box 5, one side of the rotating shaft 11 is provided with the rotating arm 12, and the rotating arm 12 is perpendicular to the rotating shaft 11, the other end of the rotating arm 12 is further provided with a handheld section 13 for easy holding, when the angle of the material guiding device needs to be adjusted, the handheld section 13 is rotated by the handheld section 13 to drive the rotating arm 12 to rotate, and further rotate the rotating shaft 11.

[0037] The guide plate comprises a fixed guide plate 2 and a movable guide plate 3, the width of the fixed guide plate 2 is slightly smaller than the width of the wind selection box 5 (the width in the incoming direction), a connecting piece 21 for connecting with the rotating shaft 11 is arranged on the back of the fixed guide plate 2, the connecting piece 21 is a "U"-shaped connecting piece 21 matched with the rotating shaft 11, mounting holes for connecting with the rotating shaft 11 are arranged on the side wall of the connecting piece 21, and the fixed guide plate 2 is fixed on the rotating shaft 11 by cooperating with the threaded holes on the rotating shaft 11 through bolts. The movable guide plate 3 is a detachable guide plate connected on the fixed guide plate 2 through bolts, the movable guide plate 3 comprises a flat panel 31 and an arc-shaped plate 32, connecting holes 33 for connecting with the fixed guide plate 2 are arranged on the flat panel 31, the connecting holes 33 are vertical waist-shaped holes, the number and position of the connecting holes 33 correspond to the holes arranged on the fixed guide plate 2, and the waist-shaped holes are arranged for adjusting the overlapping width of the fixed guide plate 2 and the movable guide plate 3 to change the width of the guide plate; the arc-shaped plate 32 of the movable guide plate 3 is a smooth arc plate arranged at the end of the movable guide plate 3, which can effectively prevent the material from piling up and causing blockage.

[0038] In the embodiment 2, the adjusting mechanism 1 of the material guiding device in the wind selection box of the in-situ wind selection machine is consistent with that in the embodiment 1, the fixed seat 15 of the adjusting mechanism 1 comprises a limiting guide rail 151 and a connecting column 152 for mounting the limiting guide rail 151, the limiting guide rail 151 is a 1 / 6 arc, a hollow arc-shaped groove 1511 is arranged in the middle of the limiting guide rail 151, the limiting device is mounted on the outer box body of the wind selection box 5 through the connecting column 152, and a gap for facilitating the entry of tools or hands is arranged on the side wall of the wind selection box 5; a hand-held section 13 connected with the rotating arm 12 is provided with an extension section 14 at the top, the end of the extension section 14 extends into the arc-shaped groove 1511 of the limiting guide rail 151, the tip of the extension section 14 extending into the arc-shaped groove 1511 of the limiting guide rail 151 is a threaded column, the extension section 14 can be fixed at a fixed position in the arc-shaped groove 1511 of the limiting guide rail 151 through a nut, and the angle of the guide plate in the wind selection box 5 can be adjusted between 0-60 degrees, when the hand-held section 14 is rotated to the top end of the arc-shaped groove 1511, the guide plate is adjusted to 60°, when the hand-held section 14 is rotated to the bottom end of the arc-shaped groove 1511, the guide plate is adjusted to 0°, and the commonly used angle in daily production is 60°.

[0039] Specifically, a material guiding device in a secondary wind selection box of an in-situ wind selection machine, a rotating arm is mounted on one side of the rotating shaft, the rotating of the rotating arm can drive the rotating of the guide plate in the wind selection box, and the rotating arm and the arc-shaped fixed seat are fixed through bolt connection, so that the angle of the guide plate in the inner selection box can be adjusted between 0-60 degrees.

[0040] In daily production, the guide plate of 0 degree has no actual guiding significance for production guidance, and in the case of keeping the length of the limiting guide rail 151 unchanged, the device can also be set to the angle of intersection of the extension lines of the two ends of the arc-shaped groove 1511 of the guide rail being 60 degrees. The extension line (vertical extension line) of the upper end of the arc-shaped groove 1511 is perpendicular to the ground, and the extension line (horizontal extension line) of the lower end of the arc-shaped groove 1511 is at an angle of 30 degrees with the ground, so that the angle of the guide plate in the wind separation box 5 can be adjusted between 30 degrees and 90 degrees. When the handheld section 14 is rotated to the upper top end of the arc-shaped groove 1511, the guide plate is adjusted to 90 degrees, and when the handheld section 14 is rotated to the lower bottom end of the arc-shaped groove 1511, the guide plate is adjusted to 30 degrees.

[0041] In daily production, the guide plate of 0 degree has no actual guiding significance for production guidance, and in the case of keeping the length of the limiting guide rail 151 unchanged, the device can also be set to the angle of intersection of the two ends of the arc-shaped groove 1511 of the guide rail being 60 degrees. The extension line (vertical extension line) of the upper end of the arc-shaped groove 1511 is perpendicular to the ground, and the extension line (horizontal extension line) of the lower end of the arc-shaped groove 1511 is at an angle of 30 degrees with the ground, so that the angle of the guide plate in the wind separation box 5 can be adjusted between 30 degrees and 90 degrees. When the handheld section 14 is rotated to the upper top end of the arc-shaped groove 1511, the guide plate is adjusted to 90 degrees, and when the handheld section 14 is rotated to the lower bottom end of the arc-shaped groove 1511, the guide plate is adjusted to 30 degrees.

[0042] It should be understood that the above specific embodiments of the present application are only used for illustrative or explanatory purposes of the principles of the present application, and do not constitute a limitation on the present application. Therefore, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present application shall be included in the protection scope of the present application. In addition, the appended claims of the present application are intended to cover all changes and modifications falling within the scope and boundary of the appended claims, or the equivalent forms of such scope and boundary.

Claims

1. A material guiding device in a wind box of an in-place air separator, characterized in that The material guiding device is installed above the rotating shaft at the outlet end of the wind sifting box of the on-site wind sifting machine, and comprises an adjusting mechanism (1) and a guide plate installed in the wind sifting box (5) through the adjusting mechanism (1). The adjusting mechanism (1) comprises a rotating shaft (11) and a rotating arm (12) for rotating the rotating shaft (11), and the rotating arm (12) swings to adjust the inclination of the guide plate in the arc-shaped slot (1511) on the circular arc-shaped limiting guide rail (151) of the fixed seat (15) arranged outside the box body of the wind sifting box (5). The guide plate is installed inside the wind sifting box (5) and comprises a fixed guide plate (2) and a movable guide plate (3), the movable guide plate (3) is connected to the fixed guide plate (2) and connected to the rotating shaft (11) of the adjusting mechanism (1) through the fixed guide plate (2), and is used for guiding the wind sifting inward to increase the wind sifting area. The movable guide plate (3) comprises a panel (31) and an arc-shaped plate (32), and the panel (31) is provided with a connecting hole (33) connected to the fixed guide plate (2). The fixed guide plate (2) is connected to the rotating shaft (11) through a connecting piece (21).

2. A material guiding device in the air separation box of an on-site air separator according to claim 1, characterized in that, The rotating shaft (11) penetrates through the box walls on both sides of the wind sifting box (5), and a seat bearing (4) matched with the rotating shaft (11) is installed in the through hole of the box wall.

3. A material guiding device in the air separation box of an on-site air separator according to claim 1, characterized in that, The rotating arm (12) is connected to the end of the rotating shaft (11), one end of the rotating arm (12) is connected to the rotating shaft (11), and the other end is connected to a hand-held section (13) for rotating the rotating shaft (11) to adjust the inclination of the guide plate.

4. A material guiding device in the air separation box of an on-site air separator according to claim 1, characterized in that, The limiting guide rail (151) is installed between the box body outside the wind sifting box (5) and the wind sifting box (5) through a connecting column (152) and is provided with a gap.

5. A material guiding device in the air separation box of an air separator according to claim 4, characterized in that The arc-shaped slot (1511) is a same-arc empty slot arranged on the limiting guide rail, and the length of the arc-shaped slot is 1 / 6 of a circle.

6. A material guiding device in the air separation box of an on-site air separator according to claim 3, characterized in that, The top of the hand-held section (13) is provided with an extension section (14), the end of the extension section (14) extends into the arc-shaped slot (1511) of the limiting guide rail (151), and the extension section (14) is fixedly connected to the arc-shaped slot (1511) of the limiting guide rail (151) through a nut.

7. A material guiding device in the air separation box of an on-site air separator according to claim 1, characterized in that, The connecting piece (21) of the back plate of the fixed guide plate (2) is a "U"-shaped connecting piece (21) matched with the rotating shaft (11), and the sidewall of the connecting piece (21) is provided with a mounting hole connected to the rotating shaft (11).