Adjustable density of tobacco device

By designing a flue-curing device with adjustable tobacco density, the problem of adjusting the spacing between flue-curing rods was solved, improving the quality and efficiency of tobacco curing and achieving stable positioning and flexible operation of the tobacco leaves.

CN123037521APending Publication Date: 2026-11-06YUNNAN TOBACCO CO CHUXIONG PREFECTURE CO
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Patent Information

Application Number
CN202611252544.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-08-18
Publication Date
2026-11-06

AI Technical Summary

Technical Problem

In existing technologies, it is difficult for workers to properly adjust the spacing between tobacco curing rods, and the tobacco leaves to be cured and those already cured cannot be placed or removed at the same time, affecting the quality and efficiency of curing.

Method used

An adjustable tobacco curing device was designed, including a connecting suspension unit, a density adjustment unit, an installation support unit, a movable support unit, a guide connection unit, and an elastic limiting unit. Through the combination of these units, the spacing and height of the tobacco curing rods can be flexibly adjusted and stably positioned.

Benefits of technology

It enables flexible control over the spacing between tobacco curing rods, ensuring the quality of tobacco curing, and allows tobacco leaves to be placed or removed simultaneously before and after curing, thus improving curing efficiency.

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Abstract

This invention provides an adjustable tobacco curing device, relating to the field of tobacco curing technology, comprising: a density adjustment unit, an installation support unit, a movable support unit, a guide connection unit, and an elastic limiting unit; the density adjustment unit has two rows, and the two rows of density adjustment units are installed on a connecting suspension unit; the installation support unit has two sets, and the two sets of installation support units are located below the connecting suspension unit; the movable support unit has two sets, and the two sets of movable support units are located below the two sets of installation support units; this invention facilitates workers to adjust the distance between two adjacent density adjustment seats according to the tobacco curing requirements, and also facilitates workers to adjust the distance between the installation support seat and the movable support seat according to the tobacco curing requirements; it solves the problem that it is inconvenient for workers to adjust the spacing between tobacco curing rods appropriately, and that when the gaps between tobacco leaves are too small or too large, it will affect the curing quality of the tobacco leaves.
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Description

Technical Field

[0001] This invention belongs to the field of tobacco curing technology, and more specifically, relates to a tobacco curing device with adjustable tobacco density. Background Technology

[0002] Fresh tobacco leaves contain a large amount of water and incompletely converted starch, protein and other substances, making them extremely prone to mold and spoilage if stored directly. Electric curing barns, through precise control of temperature, humidity and ventilation conditions in the high-temperature zone, complete the core processes of yellowing, color fixing and drying in stages. This not only allows the tobacco leaves to be fully dehydrated, stabilizing the final moisture content within the safe range of 14%-16%, but also promotes the full conversion of internal substances, fixing the golden color and forming a unique caramel-sweet aroma. This avoids quality defects such as green leaves and ash residue, ultimately resulting in a raw tobacco product that is resistant to storage and of uniform quality.

[0003] Currently, the following problems still exist in the curing of fresh tobacco leaves: 1. It is inconvenient for staff to adjust the spacing between the tobacco curing rods appropriately. When the gaps between the tobacco leaves are too small or too large, it will affect the curing quality of the tobacco leaves; 2. The tobacco leaves to be cured and the cured tobacco leaves cannot be placed or removed at the same time, which affects the curing efficiency of the tobacco leaves. Summary of the Invention

[0004] This disclosure relates to an adjustable tobacco curing device, which includes a connecting suspension unit, a density adjustment unit, an installation support unit, a movable support unit, a guide connection unit, and an elastic limiting unit. It allows workers to easily adjust the distance between two adjacent density adjustment seats according to the tobacco curing requirements, and also allows them to easily adjust the distance between the installation support seat and the movable support seat, thus controlling the spacing of the tobacco curing rods. The two installation support seats and two movable support seats facilitate the installation and removal of the connecting suspension frame. This solves the problems of inconvenience for workers to adjust the spacing between the tobacco curing rods and the inability to simultaneously place or remove tobacco leaves to be cured and cured tobacco leaves.

[0005] This invention provides a tobacco curing device with adjustable tobacco density, comprising: a connecting suspension unit, a density adjustment unit, an installation support unit, a movable support unit, a guide connection unit, and an elastic limiting unit; the density adjustment unit has two rows, and the two rows of density adjustment units are installed on the connecting suspension unit, and the two sets of density adjustment units are used to adjust the front-to-back distance between adjacent tobacco rods; the installation support unit has two sets, and the two sets of installation support units are located below the connecting suspension unit; the movable support unit has two sets, and the two sets of movable support units are located below the two sets of installation support units, and the two sets of movable support units are used to adjust the vertical distance between adjacent tobacco rods; the guide connection unit has two sets, and the two sets of guide connection units are installed on the two sets of installation support units and the two sets of movable support units; the elastic limiting unit has two sets, and the two sets of elastic limiting units are installed on the two sets of guide connection units, and the two sets of elastic limiting units are used to limit the two sets of guide connection units after adjustment.

[0006] In at least some embodiments, the connecting suspension unit includes: a connecting suspension frame and a control ear plate; the connecting suspension frame has two rows of rectangular connecting holes, and the bottom of the connecting suspension frame has four circular insertion slots; the control ear plate is fixedly installed on the connecting suspension frame.

[0007] In at least some embodiments, the density adjustment unit includes: a density adjustment seat and a density adjustment plate; the density adjustment seat is inserted into a corresponding rectangular connecting hole, and the outer end of the density adjustment seat is chamfered; there are two density adjustment plates, and the two density adjustment plates are fixedly installed on the front and rear sides of the density adjustment seat.

[0008] In at least some embodiments, the density adjustment unit further includes: a semi-circular positioning head and a helical spring a; there are two semi-circular positioning heads, and the two semi-circular positioning heads are slidably mounted on the density adjustment seat, and the outer ends of the two semi-circular positioning heads are in contact with the connecting suspension frame; the helical spring a is installed inside the density adjustment seat, and the helical spring a is located between the two semi-circular positioning heads.

[0009] In at least some embodiments, the mounting support unit includes: a mounting support base and a circular plug-in block a; the top of the mounting support base contacts the bottom of the connecting suspension frame, and a row of mounting holes is provided on the mounting support base; there are two circular plug-in blocks a, and the two circular plug-in blocks a are fixedly installed on the top of the mounting support base; the circular plug-in blocks a are the same size as the circular plug-in slots, and the two circular plug-in blocks a are inserted into the corresponding two circular plug-in slots, and the top of the two circular plug-in blocks a is provided with a chamfer.

[0010] In at least some embodiments, the movable support unit includes: a movable support base and a circular plug-in block b; the inner side of the movable support base is flush with the inner side of the mounting support base; there are two circular plug-in blocks b, and the two circular plug-in blocks b are fixedly installed on the top of the movable support base, and the top of the two circular plug-in blocks b is provided with a chamfer.

[0011] In at least some embodiments, the two circular plug blocks b are located directly below the two circular plug blocks a, and the two circular plug blocks b are the same size as the two circular plug blocks a.

[0012] In at least some embodiments, the guide connection unit includes: a guide connection frame a and a guide connection frame b; the guide connection frame a is fixedly installed on the mounting support; the guide connection frame b is fixedly installed on the movable support, and the top end of the guide connection frame b is slidably installed in the guide connection frame a, and a row of limiting slots is provided on the outer side of the guide connection frame b.

[0013] In at least some embodiments, the elastic limiting unit includes: a V-shaped limiting seat and a movable limiting pin; the V-shaped limiting seat is fixedly installed on the outside of the guide connecting frame a; the movable limiting pin is slidably installed on the V-shaped limiting seat and the guide connecting frame a, and the inner end of the movable limiting pin is inserted into the corresponding limiting slot, and the inner end of the movable limiting pin is provided with a chamfer.

[0014] In at least some embodiments, the elastic limiting unit further includes: a circular force-bearing plate and a helical spring b; the circular force-bearing plate is fixedly installed outside the movable limiting pin, and the inner side of the circular force-bearing plate contacts the guide connecting frame a; the helical spring b is sleeved outside the movable limiting pin, and the helical spring b is located between the V-shaped limiting seat and the circular force-bearing plate.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. In this invention, because the outer end of the density adjustment seat is chamfered and two density adjustment plates are fixedly installed on the front and rear sides of the density adjustment seat, it is convenient for the staff to adjust the distance between two adjacent density adjustment seats according to the tobacco curing requirements, which plays a role in controlling the spacing of the tobacco curing rods; and because two semi-circular positioning heads are slidably installed on the density adjustment seat, and the outer ends of the two semi-circular positioning heads are in contact with the connecting suspension frame, and the helical spring a is located between the two semi-circular positioning heads, it plays an elastic limiting role for the density adjustment seat after the position is adjusted, so that the density adjustment seat can be in a stable state after the position is adjusted; when the staff moves the density adjustment seat, the two semi-circular positioning heads can automatically move inward after being subjected to force.

[0016] 2. In this invention, because a row of mounting holes is provided on the mounting support, it is convenient for workers to fix the mounting support to the electric oven with screws; and because two circular plug-in blocks a are fixedly installed on the top of the mounting support, and the circular plug-in blocks a are the same size as the circular plug-in slots, and the two circular plug-in blocks a are inserted into the corresponding two circular plug-in slots, they play a positioning and support role for the connecting suspension frame. Furthermore, because the inner side of the movable support is flush with the inner side of the mounting support, and the movable support is located below the mounting support, it is convenient for staff to adjust the distance between the mounting support and the movable support appropriately according to the tobacco curing requirements, thus controlling the spacing of the tobacco curing rods. Also, because the two circular plug-in blocks b are fixedly installed on the top of the movable support, and the two circular plug-in blocks b are located directly below the two circular plug-in blocks a, and the two circular plug-in blocks b are the same size as the two circular plug-in blocks a, the movable support also provides support for the connecting suspension frame while ensuring vertical movement.

[0017] 3. In this invention, because the guide connecting frame a is fixedly installed on the mounting support, and the guide connecting frame b is fixedly installed on the movable support, and the top end of the guide connecting frame b is slidably installed in the guide connecting frame a, the movable support can move upward or downward along a straight line; and because the V-shaped limiting seat is fixedly installed on the outside of the guide connecting frame a, and the movable limiting pin is slidably installed on the V-shaped limiting seat and the guide connecting frame a, and the inner end of the movable limiting pin is inserted into the corresponding limiting slot, it plays a limiting role on the guide connecting frame b after the position is adjusted, so that the height of the movable support can be in a stable state after adjustment; In addition, since the circular force plate is fixedly installed on the outside of the movable limit pin, and the helical spring b is sleeved on the outside of the movable limit pin, and the helical spring b is located between the V-shaped limit seat and the circular force plate, it plays an elastic support role for the movable limit pin, preventing the movable limit pin from falling off the guide connecting frame b, so that the movable limit pin will only move when it is subjected to force. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings of the embodiments will be briefly described below.

[0019] The accompanying drawings described below are only related to some embodiments of the invention and are not intended to limit the invention.

[0020] In the attached diagram: Figure 1 A three-dimensional structural schematic diagram of the present invention is shown; Figure 2 A schematic diagram of the structure of the suspension unit of the present invention is shown; Figure 3 The present invention is shown. Figure 1A magnified schematic diagram of a portion of region A in the middle; Figure 4 The present invention is shown. Figure 1 A schematic diagram of the central cross-section structure; Figure 5 The present invention is shown. Figure 4 A magnified schematic diagram of a portion of region B in the middle; Figure 6 The present invention is shown. Figure 1 A schematic diagram of the bottom view structure; Figure 7 A schematic diagram of the mounting support unit of the present invention is shown; Figure 8 A schematic diagram of the structure of the movable support unit of the present invention is shown; Figure 9 This diagram shows a central cross-sectional view of the guide connection unit and the elastic limiting unit of the present invention. Figure 10 The present invention is shown. Figure 9 A magnified schematic diagram of the structure of region C in the middle.

[0021] List of reference numerals in the attached diagram: 100. Connecting suspension unit; 101. Connecting suspension bracket; 1011. Rectangular connecting hole; 1012. Circular insertion slot; 102. Control ear plate; 200. Density adjustment unit; 201. Density adjustment seat; 202. Density adjustment plate; 203. Semi-circular positioning head; 204. Helical spring a; 300. Install support unit; 301. Install support base; 302. Circular plug-in block a; 400. Movable support unit; 401. Movable support base; 402. Circular plug-in block b; 500. Guide connection unit; 501. Guide connection frame a; 502. Guide connection frame b; 5021. Limiting slot; 600, Elastic limiting unit; 601, V-shaped limiting seat; 602, Movable limiting pin; 603, Circular force plate; 604, Helical spring b. Detailed Implementation

[0022] To make the objectives, solutions, and advantages of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Unless otherwise stated, the terms used herein have their ordinary meanings in the art. The same reference numerals in the drawings represent the same parts.

[0023] Example: Please refer to Figures 1 to 10As shown: This invention provides a tobacco curing device with adjustable tobacco density, comprising: a connecting suspension unit 100, a density adjustment unit 200, a mounting support unit 300, a movable support unit 400, a guide connection unit 500, and an elastic limiting unit 600; the density adjustment unit 200 has two rows, and the two rows of density adjustment units 200 are mounted on the connecting suspension unit 100, and the two sets of density adjustment units 200 are used to adjust the front-to-back distance between adjacent tobacco curing rods; the mounting support unit 300 has two sets, and the two sets of mounting support units 300 are located below the connecting suspension unit 100; the movable support unit 400... There are two sets of support units 400, and the two sets of movable support units 400 are located below the two sets of mounting support units 300. The two sets of movable support units 400 are used to adjust the vertical distance between adjacent tobacco rods. There are two sets of guide connection units 500, and the two sets of guide connection units 500 are installed on the two sets of mounting support units 300 and the two sets of movable support units 400. There are two sets of elastic limiting units 600, and the two sets of elastic limiting units 600 are installed on the two sets of guide connection units 500. The two sets of elastic limiting units 600 are used to limit the two sets of guide connection units 500 after adjustment.

[0024] In this embodiment of the disclosure, such as Figure 2 , Figure 3 and Figure 5 As shown, the connecting suspension unit 100 includes: a connecting suspension frame 101 and a control ear plate 102; the connecting suspension frame 101 has two rows of rectangular connecting holes 1011 and four circular insertion slots 1012 at the bottom; the control ear plate 102 is fixedly installed on the connecting suspension frame 101.

[0025] The density adjustment unit 200 includes: a density adjustment seat 201 and a density adjustment plate 202; the density adjustment seat 201 is inserted into the corresponding rectangular connecting hole 1011, and the outer end of the density adjustment seat 201 is chamfered; there are two density adjustment plates 202, and the two density adjustment plates 202 are fixedly installed on the front and rear sides of the density adjustment seat 201; the density adjustment unit 200 also includes: a semi-circular positioning head 203 and a helical spring a204; there are two semi-circular positioning heads 203, and the two semi-circular positioning heads 203 are slidably installed on the density adjustment seat 201, and the outer ends of the two semi-circular positioning heads 203 are in contact with the connecting suspension bracket 101; the helical spring a204 is installed inside the density adjustment seat 201, and the helical spring a204 is located between the two semi-circular positioning heads 203.

[0026] The specific functions of the connecting suspension unit 100 and density adjustment unit 200 are as follows: Because the outer end of the density adjustment seat 201 is chamfered, and the two density adjustment plates 202 are fixedly installed on the front and rear sides of the density adjustment seat 201, it is convenient for staff to adjust the distance between adjacent density adjustment seats 201 appropriately according to the tobacco curing requirements, thus controlling the spacing of the tobacco curing rods. Furthermore, because the two semi-circular positioning heads 203 are slidably installed on the density adjustment seat 201, and the outer ends of the two semi-circular positioning heads 203 are in contact with the connecting suspension frame 101, and the spiral spring a204 is located between the two semi-circular positioning heads 203, it provides elastic limiting for the density adjustment seat 201 after position adjustment, ensuring that the density adjustment seat 201 remains stable after position adjustment. When the staff moves the density adjustment seat 201, the two semi-circular positioning heads 203 automatically move inward under force.

[0027] In this embodiment of the disclosure, such as Figures 6 to 8 As shown, the mounting support unit 300 includes: a mounting support base 301 and a circular plug-in block a302; the top of the mounting support base 301 contacts the bottom of the connecting suspension bracket 101, and a row of mounting holes is provided on the mounting support base 301; there are two circular plug-in blocks a302, and the two circular plug-in blocks a302 are fixedly installed on the top of the mounting support base 301; the circular plug-in blocks a302 are the same size as the circular plug-in slots 1012, and the two circular plug-in blocks a302 are inserted into the corresponding two circular plug-in slots 1012, and the top of the two circular plug-in blocks a302 are provided with chamfers.

[0028] The movable support unit 400 includes: a movable support base 401 and a circular plug-in block b402; the inner side of the movable support base 401 is flush with the inner side of the mounting support base 301; there are two circular plug-in blocks b402, and the two circular plug-in blocks b402 are fixedly installed on the top of the movable support base 401, and the top of the two circular plug-in blocks b402 is chamfered; the two circular plug-in blocks b402 are located directly below the two circular plug-in blocks a302, and the two circular plug-in blocks b402 are the same size as the two circular plug-in blocks a302.

[0029] The specific functions of the mounting support unit 300 and the movable support unit 400 are as follows: Since a row of mounting holes is provided on the mounting support base 301, it is convenient for workers to fix the mounting support base 301 to the electric oven with screws; Since two circular plug-in blocks a302 are fixedly installed on the top of the mounting support base 301, and the circular plug-in blocks a302 are the same size as the circular plug-in slots 1012, and the two circular plug-in blocks a302 are inserted into the corresponding two circular plug-in slots 1012, they play a positioning and support role for the connecting suspension frame 101. Furthermore, since the inner side of the movable support 401 is flush with the inner side of the mounting support 301, and the movable support 401 is located below the mounting support 301, it is convenient for staff to adjust the distance between the mounting support 301 and the movable support 401 appropriately according to the tobacco curing requirements, thus playing a role in controlling the spacing of the tobacco curing rods. Also, since the two circular plug-in blocks b402 are fixedly installed on the top of the movable support 401, and the two circular plug-in blocks b402 are located directly below the two circular plug-in blocks a302, and the two circular plug-in blocks b402 are the same size as the two circular plug-in blocks a302, the movable support 401 also provides support for the connecting suspension frame 101 while ensuring vertical movement.

[0030] In this embodiment of the disclosure, such as Figure 1 , Figure 9 and Figure 10 As shown, the guide connection unit 500 includes: a guide connection frame a501 and a guide connection frame b502; the guide connection frame a501 is fixedly installed on the mounting support 301; the guide connection frame b502 is fixedly installed on the movable support 401, and the top end of the guide connection frame b502 is slidably installed in the guide connection frame a501, and a row of limiting slots 5021 is opened on the outer side of the guide connection frame b502.

[0031] The elastic limiting unit 600 includes: a V-shaped limiting seat 601 and a movable limiting pin 602; the V-shaped limiting seat 601 is fixedly installed on the outside of the guide connecting frame a501; the movable limiting pin 602 is slidably installed on the V-shaped limiting seat 601 and the guide connecting frame a501, and the inner end of the movable limiting pin 602 is inserted into the corresponding limiting slot 5021, and the inner end of the movable limiting pin 602 is chamfered; the elastic limiting unit 600 also includes: a circular force plate 603 and a helical spring b604; the circular force plate 603 is fixedly installed on the outside of the movable limiting pin 602, and the inner side of the circular force plate 603 is in contact with the guide connecting frame a501; the helical spring b604 is sleeved on the outside of the movable limiting pin 602, and the helical spring b604 is located between the V-shaped limiting seat 601 and the circular force plate 603.

[0032] The specific functions of the guide connecting unit 500 and the elastic limiting unit 600 are as follows: Since the guide connecting frame a501 is fixedly installed on the mounting support 301 and the guide connecting frame b502 is fixedly installed on the movable support 401, and the top end of the guide connecting frame b502 is slidably installed in the guide connecting frame a501, the movable support 401 can move upward or downward in a straight line; Since the V-shaped limiting seat 601 is fixedly installed on the outside of the guide connecting frame a501 and the movable limiting pin 602 is slidably installed on the V-shaped limiting seat 601 and the guide connecting frame a501, and the inner end of the movable limiting pin 602 is inserted into the corresponding limiting slot 5021, it plays a limiting role on the guide connecting frame b502 after the position is adjusted, so that the height of the movable support 401 can be in a stable state after adjustment; Furthermore, since the circular force-bearing plate 603 is fixedly installed on the outside of the movable limit pin 602, and the helical spring b604 is sleeved on the outside of the movable limit pin 602, and the helical spring b604 is located between the V-shaped limit seat 601 and the circular force-bearing plate 603, it plays an elastic support role for the movable limit pin 602, preventing the movable limit pin 602 from falling off the guide connecting frame b502, so that the movable limit pin 602 will only move when it is subjected to force.

[0033] The specific usage and function of this embodiment are as follows: In use, the operator first secures the two mounting supports 301 to the tobacco curing chamber using two rows of screws. Then, the operator adjusts the distance between adjacent density adjustment seats 201 according to the tobacco curing requirements, thus controlling the spacing of the tobacco curing rods. When the operator moves the density adjustment seats 201, the two semi-circular positioning heads 203 automatically move inward under pressure. The operator then pulls the two movable limit pins 602 outward. Afterward, the operator adjusts the distance between the mounting supports 301 and the movable support seats 401 according to the tobacco curing requirements, thus controlling the spacing of the tobacco curing rods. Function: The movable support base 401 provides support for the connecting suspension frame 101 while ensuring vertical movement. Two movable limit pins 602 are inserted into corresponding limit slots 5021, limiting the position of the guide connecting frame b502 after adjustment, ensuring the movable support base 401 remains stable after height adjustment. The helical spring b604 provides elastic support for the movable limit pins 602, preventing them from detaching from the guide connecting frame b502, ensuring the movable limit pins 602 only move under load.

[0034] The following points should be noted in this article: 1. The accompanying drawings of the embodiments disclosed herein only relate to the structures involved in the embodiments disclosed herein; other structures can be referred to in a general design.

[0035] 2. Where there is no conflict, the embodiments of this disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.

[0036] The above are merely specific embodiments of this disclosure, but the scope of protection of this disclosure is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this disclosure should be included within the scope of protection of this disclosure. Therefore, the scope of protection of this disclosure should be determined by the scope of the claims.

Claims

1. A device for curing tobacco leaves with adjustable density of tobacco loading, comprising: The system comprises a suspension unit (100), a density adjustment unit (200), a mounting support unit (300), a movable support unit (400), a guide connection unit (500), and an elastic limiting unit (600); characterized in that the density adjustment unit (200) has two rows, and the two rows of density adjustment units (200) are installed on the suspension unit (100), and the two sets of density adjustment units (200) are used to adjust the front-to-back distance between adjacent tobacco rods; the mounting support unit (300) has two sets, and the two sets of mounting support units (300) are located below the suspension unit (100); the movable support unit (400) has a total of Two sets of movable support units (400) are provided, and the two sets of movable support units (400) are located below the two sets of mounting support units (300). The two sets of movable support units (400) are used to adjust the vertical distance between adjacent tobacco rods. Two sets of guide connection units (500) are provided, and the two sets of guide connection units (500) are installed on the two sets of mounting support units (300) and the two sets of movable support units (400). Two sets of elastic limiting units (600) are provided, and the two sets of elastic limiting units (600) are installed on the two sets of guide connection units (500). The two sets of elastic limiting units (600) are used to limit the two sets of guide connection units (500) after adjustment.

2. The adjustable bulk density loading apparatus for tobacco curing according to claim 1, wherein, The connecting suspension unit (100) includes: a connecting suspension frame (101) and a control ear plate (102); the connecting suspension frame (101) has two rows of rectangular connecting holes (1011) and four circular insertion slots (1012) at the bottom; the control ear plate (102) is fixedly installed on the connecting suspension frame (101).

3. The tobacco curing device with adjustable tobacco density according to claim 2, characterized in that, The density adjustment unit (200) includes: a density adjustment seat (201) and a density adjustment plate (202); the density adjustment seat (201) is inserted into the corresponding rectangular connecting hole (1011), and the outer end of the density adjustment seat (201) is provided with a chamfer; there are two density adjustment plates (202), and the two density adjustment plates (202) are fixedly installed on the front and rear sides of the density adjustment seat (201).

4. The tobacco curing device with adjustable tobacco density according to claim 3, characterized in that, The density adjustment unit (200) further includes: a semi-circular positioning head (203) and a helical spring a (204); there are two semi-circular positioning heads (203), and the two semi-circular positioning heads (203) are slidably mounted on the density adjustment seat (201), and the outer ends of the two semi-circular positioning heads (203) are in contact with the connecting suspension frame (101); the helical spring a (204) is installed inside the density adjustment seat (201), and the helical spring a (204) is located between the two semi-circular positioning heads (203).

5. The tobacco curing device with adjustable tobacco density according to claim 2, characterized in that, The mounting support unit (300) includes: a mounting support base (301) and a circular plug-in block a (302); the top of the mounting support base (301) contacts the bottom of the connecting suspension frame (101), and a row of mounting holes is provided on the mounting support base (301); there are two circular plug-in blocks a (302), and the two circular plug-in blocks a (302) are fixedly installed on the top of the mounting support base (301); the circular plug-in blocks a (302) are the same size as the circular plug-in slots (1012), and the two circular plug-in blocks a (302) are inserted into the corresponding two circular plug-in slots (1012), and the top of the two circular plug-in blocks a (302) is provided with chamfers.

6. The tobacco curing apparatus with adjustable tobacco density according to claim 5, characterized in that, The movable support unit (400) includes: a movable support base (401) and a circular plug-in block b (402); the inner side of the movable support base (401) is flush with the inner side of the mounting support base (301); there are two circular plug-in blocks b (402), and the two circular plug-in blocks b (402) are fixedly installed on the top of the movable support base (401), and the top of the two circular plug-in blocks b (402) is chamfered.

7. The tobacco curing apparatus with adjustable tobacco density according to claim 6, characterized in that, The two circular plug-in blocks b (402) are located directly below the two circular plug-in blocks a (302), and the two circular plug-in blocks b (402) are the same size as the two circular plug-in blocks a (302).

8. The tobacco curing apparatus with adjustable tobacco density according to claim 6, characterized in that, The guide connection unit (500) includes: guide connection frame a (501) and guide connection frame b (502); the guide connection frame a (501) is fixedly installed on the mounting support (301); the guide connection frame b (502) is fixedly installed on the movable support (401), and the top end of the guide connection frame b (502) is slidably installed in the guide connection frame a (501), and a row of limiting slots (5021) is opened on the outer side of the guide connection frame b (502).

9. The tobacco curing apparatus with adjustable tobacco density according to claim 8, characterized in that, The elastic limiting unit (600) includes: a V-shaped limiting seat (601) and a movable limiting pin (602); the V-shaped limiting seat (601) is fixedly installed on the outside of the guide connecting frame a (501); the movable limiting pin (602) is slidably installed on the V-shaped limiting seat (601) and the guide connecting frame a (501), and the inner end of the movable limiting pin (602) is inserted into the corresponding limiting slot (5021), and the inner end of the movable limiting pin (602) is provided with a chamfer.

10. The tobacco curing apparatus with adjustable tobacco density according to claim 9, characterized in that, The elastic limiting unit (600) further includes: a circular force plate (603) and a helical spring b (604); the circular force plate (603) is fixedly installed on the outside of the movable limiting pin (602), and the inner side of the circular force plate (603) is in contact with the guide connecting frame a (501); the helical spring b (604) is sleeved on the outside of the movable limiting pin (602), and the helical spring b (604) is located between the V-shaped limiting seat (601) and the circular force plate (603).