Tobacco leaf screening device for threshing and redrying

Abstract

The utility model relates to the technical field of tobacco leaf screening, in particular to a tobacco leaf screening device for threshing and redrying, which comprises a middle end connecting structure elastically connected to a device supporting base and used for vibrating screening, and is characterized in that the outer side of the bottom of the middle end connecting structure is fixedly connected with a bottom fixing ring used for fixing; the outer side of the upper end of the middle end connecting structure is fixedly connected with an upper end fixing ring used for fixing. According to the device, by arranging the device supporting base, the device is more stable during operation, by arranging the middle end connecting structure, the device can conduct vibration screening, the screening effect of the device is improved, noise is greatly reduced, by arranging the bottom fixing ring and the upper end fixing ring, the device can be firmly spliced, and the safety of the device is improved; the expansibility of the device can be improved through splicing, the device can be rapidly disassembled through the arrangement of the vibration screening device, a screen is convenient to replace, and different screening requirements are met.

Description

Technical Field

[0001] The utility model relates to the technical field of tobacco leaf screening, in particular to a tobacco leaf screening device for beating and re-roasting. Background Art

[0002] Leaf threshing and re-drying is an important step in the tobacco leaf processing process, which includes grading and screening the tobacco leaves in order to achieve the desired taste and quality in tobacco products. However, general screening devices are noisy, affecting others, are not environmentally friendly, and are difficult to clean after screening.

[0003] Chinese Patent Announcement No. CN219424911U, the utility model discloses a tobacco screening device for leaf beating and redrying, including a box, a screen, a rotating rod and a fork, one side of the inner wall of the box is fixedly connected with an L-shaped plate, the other side of the inner wall of the box is fixedly connected with a mounting box, the screen is arranged between the mounting box and the L-shaped plate, the top of the screen is provided with screen holes at equal intervals, a motor is fixedly installed on one side of the box, a vibration assembly is arranged at the output end of the motor, the top of the inner wall of the box is rotatably connected with a fixed shaft, the rotating rod is fixedly connected to the bottom of the fixed shaft and is located above the screen, and the fork is fixedly connected to the bottom of the rotating rod at equal intervals. The utility model solves the problem that when feeding, it is easy to add too much material, which causes tobacco leaves to accumulate on the surface of the screen, and at this time the filtering speed of the screen holes is certain, so that the tobacco leaves are blocked in the screen holes, and further manual cleaning is required, which reduces the working efficiency of the screening equipment and increases the limitations of the device, which is not conducive to practical use.

[0004] However, the utility model has the following problems when actually used:

[0005] 1. The device is noisy when in use, has high requirements on the production environment, and is not environmentally friendly;

[0006] 2. The device is difficult to clean during use and has low scalability. Utility Model Content

[0007] 1. Technical issues to be resolved

[0008] In order to overcome the above-mentioned defects of the prior art, the utility model provides a tobacco leaf screening device for beating and re-roasting, which solves the problems raised in the above-mentioned background technology:

[0009] 1. The device is noisy when in use, has high requirements on the production environment, and is not environmentally friendly;

[0010] 2. The device is difficult to clean during use and has low scalability.

[0011] (II) Technical solution

[0012] To achieve the above objectives, the utility model is implemented through the following technical solutions: a tobacco screening device for leaf beating and re-roasting, comprising: a middle-end connecting structure elastically connected to a supporting base of the device for vibration screening, characterized in that: a bottom fixing ring for fixing is fixedly connected to the outer side of the bottom of the middle-end connecting structure, an upper fixing ring for fixing is fixedly connected to the outer side of the upper end of the middle-end connecting structure, a first fixing structure for fixing the upper connecting structure is sleeved on the outer side of the upper end of the middle-end connecting structure, and a vibration screening device for screening is arranged inside the middle-end connecting structure and the upper-end connecting structure.

[0013] Optionally, a fixing groove that fits under the motor is opened inside the device support base, thereby reducing device noise.

[0014] Optionally, the middle-end connecting structure includes a connecting and fixing structure, a trumpet-shaped connecting port is arranged inside the connecting and fixing structure, an array of vibration transmission springs are fixedly connected around the bottom of the connecting and fixing structure, a motor fixing cover is fixedly arranged inside the trumpet-shaped connecting port, and a vibration motor cylinder is arranged at the bottom of the motor fixing cover, so that the device can be screened by a rotary vibrating screen.

[0015] Optionally, the trumpet-shaped connection port opens downward, and a groove that fits under the motor fixing cover is provided inside the upper end of the trumpet-shaped connection port, so that the device can be firmly connected.

[0016] Optionally, the middle connecting structure and the upper connecting structure are provided with outlet channels matching the vibration screening device to allow the device to circulate.

[0017] Optionally, a first fixing structure is sleeved at the connection between the middle connecting structure and the upper connecting structure, and the first fixing structure includes a fixing sleeve ring, and two groups of fixing blocks are connected to both ends of the fixing sleeve ring. The two groups of fixing blocks are fixed by first fixing bolts, so that the device can be firmly spliced.

[0018] Optionally, the fixing sleeve ring and the fixing blocks at both ends are provided with grooves matching the bottom fixing ring and the upper fixing ring, and the fixing blocks at both ends are provided with bolt connection grooves matching under the first fixing bolt, so that the device can adapt to the structure.

[0019] Optionally, the vibrating screening device includes an internal support ring, which is connected to an upper connecting ring via a second fixing bolt, an internal screening net is inserted into the upper connecting ring, and a tobacco connection outlet is fixedly provided on the outer side of the internal screening net, so that the device can screen and circulate.

[0020] Optionally, the internal support ring is provided with a fixing groove that cooperates with the second fixing bolt, and the tobacco connection outlet is provided with a groove hole that cooperates with the tobacco circulation. The vibration screening device in the middle connection structure and the vibration screening device in the upper connection structure are staggered so that the device structure will not affect the circulation.

[0021] Three beneficial effects

[0022] The utility model provides a tobacco leaf screening device for threshing and re-drying, which has the following beneficial effects:

[0023] 1. The device is provided with a device support base to make the device more stable during operation. The middle-end connecting structure allows the device to vibrate and screen, thereby increasing the screening effect of the device and greatly reducing noise. The bottom fixing ring and the upper fixing ring allow the device to be firmly spliced ​​to increase the safety of the device. The splicing can also increase the expansibility of the device. The vibrating screening device allows the device to be quickly disassembled, which is convenient for replacing the screen to meet different screening requirements.

[0024] 2. The device is provided with a second fixing bolt and an internal screening net, so that the device can be easily disassembled and cleaned, thereby increasing the cleaning efficiency of the device, and different screening requirements can be achieved by replacing the internal screening net. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure on the left side of the utility model;

[0026] Figure 2 It is a schematic diagram of the overall structure of the right side of the utility model;

[0027] Figure 3 This is a schematic diagram of the middle end connection structure of the utility model;

[0028] Figure 4 This is a schematic diagram of the first fixed structure of the utility model;

[0029] Figure 5 This is a schematic diagram of the structure of the vibrating screening device of the utility model;

[0030] Figure 6 This is a schematic diagram of the second fixed structure of the utility model;

[0031] Figure 7 This is a schematic diagram of the third fixed structure of the utility model.

[0032] In the figure: 1. Device support base; 2. Middle end connecting structure; 21. Connecting and fixing structure; 22. Trumpet-shaped connecting port; 23. Vibration transmission spring; 24. Motor fixing cover; 25. Vibration motor cylinder; 3. Bottom fixing ring; 4. Upper end fixing ring; 5. First fixing structure; 51. Fixed sleeve ring; 52. Two end fixing blocks; 53. First fixing bolt; 6. Upper end connecting structure; 7. Vibration screening device; 71. Internal support ring; 72. Second fixing bolt; 73. Upper end connecting ring; 74. Internal screening net; 75. Tobacco leaf connection outlet; 8. Second fixing structure; 9. Third fixing structure. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] See also Figures 1 to 3 The utility model provides a technical solution: a tobacco leaf screening device for beating and redrying, comprising: a middle-end connecting structure 2 elastically connected to a supporting base 1 of the device for vibrating and screening, characterized in that: a bottom fixing ring 3 for fixing is fixedly connected to the outer side of the bottom of the middle-end connecting structure 2, an upper fixing ring 4 for fixing is fixedly connected to the outer side of the upper end of the middle-end connecting structure 2, a first fixing structure 5 for fixing and connecting to the upper connecting structure 6 is sleeved on the outer side of the upper end of the middle-end connecting structure 2, and a vibrating screening device 7 for screening is arranged inside the middle-end connecting structure 2 and the upper connecting structure 6;

[0035] In order to allow the device to use a rotary vibrating screen, so that the device can achieve a specified screening effect and greatly reduce noise, a fixed groove that matches the motor is opened inside the device support base 1, and the middle-end connecting structure 2 includes a connecting and fixing structure 21, and a trumpet-shaped connecting port 22 is arranged inside the connecting and fixing structure 21. An array of vibration transmission springs 23 are fixedly connected around the bottom of the connecting and fixing structure 21, and a motor fixing cover 24 is fixedly arranged inside the trumpet-shaped connecting port 22. A vibration motor cylinder 25 is arranged at the bottom of the motor fixing cover 24. The trumpet-shaped connecting port 22 opens downward, and a groove that matches the motor fixing cover 24 is opened inside the upper end of the trumpet-shaped connecting port 22. The middle-end connecting structure 2 and the upper-end connecting structure 6 are provided with outlet channels that match the vibration screening device 7. The above-mentioned settings achieve the effect;

[0036] See also Figure 1 and Figure 5In order to allow the device to quickly circulate the screened tobacco leaves and facilitate cleaning, the vibrating screening device 7 includes an internal support ring 71, the internal support ring 71 is connected to an upper connecting ring 73 through a second fixing bolt 72, an internal screening net 74 is inserted inside the upper connecting ring 73, a tobacco connection outlet 75 is fixedly arranged on the outer side of the internal screening net 74, the internal support ring 71 is provided with a fixing groove matched with the second fixing bolt 72, and the tobacco connection outlet 75 is provided with a groove hole matched with the circulation of tobacco leaves, the vibrating screening device 7 in the middle connecting structure 2 and the vibrating screening device 7 in the upper connecting structure 6 are staggered, and the above arrangement achieves an ideal effect;

[0037] Embodiment 1:

[0038] See also Figure 2 and Figure 4 In order to make the device structure easy and firm to splice, the middle connection structure 2 and the upper connection structure 6 are connected with a first fixing structure 5, the first fixing structure 5 includes a fixing sleeve ring 51, and two sets of two-end fixing blocks 52 are connected at both ends of the fixing sleeve ring 51. The two sets of two-end fixing blocks 52 are fixed by first fixing bolts 53. The fixing sleeve ring 51 and the two-end fixing blocks 52 are provided with grooves that match the bottom fixing ring 3 and the upper fixing ring 4, and the two-end fixing blocks 52 are provided with bolt connection grooves that match the first fixing bolts 53, so that the device can be quickly and firmly spliced;

[0039] Embodiment 2:

[0040] See also Figure 6 In order to make the device structure easy and firm to splice, the upper connecting structure 6 is provided with a second fixing structure 8 around the bottom, and the middle connecting structure 2 is provided with a cylindrical plug-in groove matched with the second fixing structure 8, which can be quickly and firmly spliced ​​by plugging;

[0041] Embodiment three:

[0042] See also Figure 7 In order to make the device structure easy and firm to splice, a third fixing structure 9 is arranged around the bottom of the upper connection structure 6, and a ring-shaped plug-in groove matching the third fixing structure 9 is opened in the middle connection structure 2, which can be quickly and firmly spliced ​​by plugging.

[0043] In the utility model, the working steps of the device are as follows:

[0044] First, the device is spliced, and a suitable internal screening net 74 is replaced and fixed with the second fixing bolt 72. Then, the middle connection structure 2 and the upper connection structure 6 are spliced ​​and fixed through the first fixing structure 5, and the power is turned on to start use.

[0045] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A tobacco leaf screening device for threshing and redrying, comprising: a middle end connecting structure (2) elastically connected to a device support base (1) for vibrating screening, characterized in that: A bottom fixing ring (3) for fixing is fixedly connected to the outer side of the bottom of the middle-end connecting structure (2), an upper fixing ring (4) for fixing is fixedly connected to the outer side of the upper end of the middle-end connecting structure (2), a first fixing structure (5) for fixing the upper end connecting structure (6) is sleeved on the outer side of the upper end of the middle-end connecting structure (2), and a vibrating screening device (7) for screening is arranged inside the middle-end connecting structure (2) and the upper end connecting structure (6).

2. A tobacco leaf screening device for threshing and redrying according to claim 1, characterized in that: The device support base (1) is provided with a fixing groove which fits under the motor.

3. The tobacco leaf screening device for threshing and redrying according to claim 1, characterized in that: The middle end connection structure (2) comprises a connection fixing structure (21), a trumpet-shaped connection port (22) is arranged inside the connection fixing structure (21), a group of vibration transmission springs (23) are fixedly connected around the bottom of the connection fixing structure (21), a motor fixing cover (24) is fixedly arranged inside the trumpet-shaped connection port (22), and a vibration motor cylinder (25) is arranged at the bottom of the motor fixing cover (24).

4. A tobacco leaf screening device for threshing and redrying according to claim 3, characterized in that: The trumpet-shaped connection opening (22) opens downward, and a groove matching the motor fixing cover (24) is provided inside the upper end of the trumpet-shaped connection opening (22).

5. The tobacco leaf screening device for threshing and redrying according to claim 1, characterized in that: The middle end connection structure (2) and the upper end connection structure (6) are provided with outlet passages matching with the vibration screening device (7).

6. The tobacco leaf screening device for threshing and redrying according to claim 1, characterized in that: A first fixing structure (5) is sleeved at the connection between the middle end connection structure (2) and the upper end connection structure (6), the first fixing structure (5) comprising a fixing sleeve ring (51), two ends of the fixing sleeve ring (51) are connected to two groups of fixing blocks (52), and the two groups of fixing blocks (52) are fixed by first fixing bolts (53).

7. A tobacco leaf screening device for threshing and redrying according to claim 6, characterized in that: The fixing sleeve ring (51) and the fixing blocks (52) at both ends are provided with grooves that fit under the bottom fixing ring (3) and the upper fixing ring (4), and the fixing blocks (52) at both ends are provided with bolt connection grooves that fit under the first fixing bolt (53).

8. The tobacco leaf screening device for threshing and redrying according to claim 1, characterized in that: The vibrating screening device (7) comprises an internal support ring (71), the internal support ring (71) is connected to an upper connecting ring (73) via a second fixing bolt (72), an internal screening net (74) is inserted into the upper connecting ring (73), and a tobacco leaf connecting outlet (75) is fixedly provided on the outer side of the internal screening net (74).

9. A tobacco leaf screening device for threshing and redrying according to claim 8, characterized in that: The internal support ring (71) is provided with a fixing groove that fits under the second fixing bolt (72), the tobacco connection outlet (75) is provided with a groove hole that fits with the tobacco flow, and the vibration screening device (7) in the middle end connection structure (2) and the vibration screening device (7) in the upper end connection structure (6) are staggered in position.

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