Fixed code scanning device for tobacco warehouse

Abstract

The invention relates to the technical field of tobacco warehousing, in particular to a fixed code scanning device for a tobacco warehouse, which comprises a conveyor belt, an adjusting assembly arranged on one side of the conveyor belt and a code scanning frame arranged right above the adjusting assembly, a vibration motor is arranged on one side of the conveyor belt, and the adjusting assembly comprises a positioning frame and an adjusting frame. The multiple adjusting frames are annularly and evenly installed on the inner side of the positioning frame, the positioning frame rotates along the annular center position formed by the adjusting frames, each adjusting frame comprises a positioning frame and a clamping plate used for clamping a tobacco bale, the positioning frames are annular, arc-shaped moving grooves are formed in the positioning frames, and the clamping plates move along the inner walls of the moving grooves. By arranging the vibration motor and conducting angle inclination on the conveying belt, the conveying belt can push the tobacco leaf bags to the specific direction in the conveying process, and the tobacco leaf bags can be directionally adjusted till the identification work of the tobacco leaf bags can be completed.

Description

Technical Field

[0001] The present invention relates to the technical field of tobacco storage, and in particular to a fixed code scanning device for a tobacco warehouse. Background Art

[0002] Tobacco leaves usually refer to the raw materials for manufacturing various tobacco products, and the packaging of tobacco leaves is usually done after they are dried in the sun, and the finished products are usually stored in sacks and other packaging. When entering the warehouse, it is usually necessary to scan and record all tobacco packages, and the labels are usually fixed on the outer surface of the tobacco packages when bagging. When scanning and recording the tobacco packages, they are usually transported by conveyor belts and scanned and recorded by fixed scanning devices. This identification operation requires workers to assist nearby. This is because when unloading, the placement of tobacco packages is not fixed, which may cause the position of the identified label to be uncertain. In this case, the position needs to be manually adjusted to ensure that the scanning device can accurately identify the scanning position. Although this equipment can complete the scanning of tobacco packages, it requires manual assistance and has a low degree of automation. Summary of the invention

[0003] The present invention aims at the deficiencies in the prior art and provides the following technical solutions:

[0004] A fixed code scanning device for a tobacco warehouse comprises: a conveyor belt, an adjustment component arranged on one side of the conveyor belt, and a code scanning frame arranged directly above the adjustment component.

[0005] Specifically, the angle between the surface of the conveyor belt and the horizontal plane is less than 85° and greater than 45°. A vibration motor is provided on one side of the conveyor belt. The adjustment component includes a positioning frame and an adjustment frame. There are several adjustment frames, which are evenly installed on the inner side of the positioning frame in a ring shape. The positioning frame rotates along the center position of the ring formed by the adjustment frame. The adjustment frame includes a positioning frame and a clamping plate for clamping the tobacco package. The positioning frame is ring-shaped, and an arc-shaped moving groove is opened inside the positioning frame. The clamping plate moves along the inner wall of the moving groove. The code scanning frame is used to scan the label on the tobacco package. When the conveyor belt moves the tobacco package to a position close to the adjustment frame, the clamping plate clamps the tobacco package and rotates until the code scanning frame completes scanning the tobacco package.

[0006] As an improvement of the above technical solution, it also includes a base plate, the upper end surface of which is detachably fixed with a bracket one, there are at least two groups of the bracket one, and at least two groups of the bracket one are respectively arranged on both sides of the positioning frame, and a rotatable positioning shaft is fixed to the upper end of the bracket one, and the positioning shaft is connected to the rotation center key of the bracket one.

[0007] As an improvement of the above technical solution, a bracket three is detachably fixed to the upper end surface of the base plate, a telescopic rod one is fixed to the upper end surface of the bracket three, a support plate is fixed to the telescopic end of the telescopic rod one, and the support plate is used to receive the tobacco leaf package pushed down from the conveyor belt. When the support plate is extended, it is located below the adjustment frame.

[0008] As an improvement of the above technical solution, a bracket 2 is detachably fixed to the upper end surface of the base plate, and both sides of the conveyor belt are detachably fixed to the upper end of the bracket 2. The bracket 2 is inclined, and the angle between the bracket 2 and the horizontal plane is less than 85° and greater than 45°.

[0009] As an improvement of the above technical solution, a plurality of baffles are fixed to the upper end face of the bracket 2, and the other end of the baffle has a protrusion extending toward the surface of the conveyor belt. The distance between the protrusion and the side wall of the conveyor belt away from the baffle is less than the length of the tobacco package and greater than the width of the tobacco package. A stepper motor 2 is connected to one side of the conveyor belt.

[0010] As an improvement of the above technical solution, the positioning frame includes a connecting frame, a concentrically arranged ring body 1 and a ring body 2, wherein the ring body 1 and the ring body 2 are fixed on both sides of the connecting frame, a stepper motor 1 is fixed on one side of the bracket 1, and the power end of the stepper motor 1 is fixed to the center position of the connecting frame.

[0011] As an improvement of the above technical solution, the adjustment frame is arranged between ring body one and ring body two, and the adjustment frame includes two groups of positioning frames. The positioning frames and the internal movable grooves are semi-arc-shaped, and the ends of the two groups of positioning frames are against each other to form an annular frame.

[0012] As an improvement of the above technical solution, a movable plate is arranged inside the movable groove, a retractable clamping plate is connected to the lower end of the movable plate, and a movable wheel is connected to the upper end of the movable plate.

[0013] As an improvement of the above technical solution, a semi-arc side groove is opened on one side of the movable groove, the outer surface of the movable wheel is in close contact with the inner wall of the movable groove, and the other side of the movable wheel passes through the side groove to the outside of the movable groove, and a telescopic rod 2 is penetrated on the lower end surface of the movable plate, and the power end of the telescopic rod 2 is fixedly connected to the clamping plate.

[0014] As an improvement of the above technical solution, one side of the positioning frame is provided with adjustment motors with the same number as the adjustment frames, one end of the adjustment motor is inserted into the interior of ring body one and connected to one of the positioning frames, a rotatable positioning pin is inserted into the interior of ring body two, and the other end of the positioning pin is fixed to the other positioning frame.

[0015] Beneficial effects of the present invention:

[0016] By setting up a vibration motor and tilting the conveyor belt at an angle, the conveyor belt can push the tobacco bale in a specific direction during the conveying process. Combined with the adjustment function of the adjustment frame, the tobacco bale can be directional adjusted until the tobacco bale can complete the identification work. When the identification work can be completed, the direction of the tobacco bale itself can be guaranteed, so that the direction of the tobacco bale can be adjusted while scanning the code, which is convenient for subsequent stacking and sorting. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural diagram of the present invention at a first viewing angle;

[0018] Figure 2 is a three-dimensional structural diagram of the present invention under a second viewing angle;

[0019] Figure 3 A top view of the present invention;

[0020] Figure 4 for Figure 3 Isometric section view at AA;

[0021] Figure 5 for Figure 4 The enlarged structure diagram at C in the middle;

[0022] Figure 6 for Figure 3 Isometric section view at the middle BB;

[0023] Figure 7 for Figure 6 The enlarged structure diagram at D in the middle;

[0024] Figure 8 It is a right view structural diagram of the present invention;

[0025] Fig. 9 Schematic diagram of the positions of cigarette packs and scanning points during detection by the barcode scanning stand of the present invention.

[0026] 1. The bottom plate; 2. The bracket 1; 3. The bracket 3; 4. The telescopic rod 1; 5. The support plate; 6. The conveyor belt; 7. The baffle; 8. The stepper motor 2; 9. The vibration motor; 10. The adjustment assembly; 11. The positioning frame; 12. The ring body 1; 13. The connecting frame; 14. The positioning frame; 15. The positioning frame; 16. The moving groove; 17. The side groove; 18. The moving plate; 19. The moving wheel; 20. The clamp; 21. The telescopic rod 2; 22. The positioning pin; 23. The adjustment motor; 24. The moving plate; 25. The moving wheel; 26. The clamp; 27. The telescopic rod 2; 28. The positioning pin; 29. ​​The adjustment motor; 30. The adjustment assembly; 31. The positioning frame; 311. The ring body 1; 312. The ring body 2; 313. The connecting frame; 32. The adjustment frame; 321. The positioning frame; 322. The moving groove; 323. The side groove; 324. The moving plate; 325. The moving wheel; 326. The clamp; 327. The telescopic rod 2; 328. The positioning pin; 33. The adjustment motor. DETAILED DESCRIPTION

[0027] The following describes the embodiments of the present invention through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention.

[0028] Labels are usually fixed on the outer surface of tobacco bales when they are bagged. When scanning and recording tobacco bales, they are usually transported by a conveyor belt and scanned and recorded by a fixed scanning device. This identification operation requires workers to assist nearby. This is because the placement of tobacco bales is not fixed during unloading, which may cause the position of the identified label to be uncertain. In this case, manual adjustment is required to ensure that the scanning device can accurately identify the scanning position. Although this equipment can scan tobacco bales, it requires manual assistance and has a low degree of automation.

[0029] To solve the above problems, see Figure 1-Figure 8 , provides a fixed code scanning device for a tobacco warehouse, including: a conveyor belt 20, an adjustment component 30 arranged on one side of the conveyor belt 20, and a code scanning frame 111 arranged directly above the adjustment component 30.

[0030] Specifically, the angle between the surface of the conveyor belt 20 and the horizontal plane is less than 85° and greater than 45°. A vibration motor 23 is provided on one side of the conveyor belt 20. The adjustment component 30 includes a positioning frame 31 and an adjustment frame 32. There are several adjustment frames 32, which are evenly installed on the inner side of the positioning frame 31 in a ring shape. The positioning frame 31 rotates along the center position of the ring formed by the adjustment frame 32. The adjustment frame 32 includes a positioning frame 321 and a clamping plate 326 for clamping the tobacco package. The positioning frame 321 is annular, and an arc-shaped moving groove 322 is opened inside the positioning frame 321. The clamping plate 326 moves along the inner wall of the moving groove 322. The code scanning frame 111 is used to scan the label on the tobacco package. When the conveyor belt 20 moves the tobacco package to a position close to the adjustment frame 32, the clamping plate 326 clamps the tobacco package and rotates until the code scanning frame 111 completes scanning the tobacco package.

[0031] During transportation, the tobacco bale is placed on the conveyor belt 20. Since the entire conveyor belt 20 is in an inclined state, when the tobacco bale is placed on the surface of the conveyor belt 20, it will move toward the inclined side due to gravity until it touches the edge of the conveyor belt 20. In order to prevent the tobacco bale from being unable to move due to excessive friction, a vibration motor 23 is provided on the side to provide vibration, thereby assisting the transportation of the conveyor belt 20. When the tobacco bale is transported to the edge, the tobacco bale is clamped by the clamping plate 326. Since the position and direction of the tobacco bale are unknown at this time, the entire direction is adjusted by adjusting the position of the clamping plate 326. After the orientation of the tobacco bale is adjusted, the entire adjustment frame 32 is rotated to the top, and the label of the tobacco bale is identified by the code scanning frame 111. The scanning position of the code scanning frame 111 is fixed, that is, the code scanning frame 111 can only scan labels at specific positions, for example, it can only identify the upper right corner of the tobacco bale. In this way, as long as the code scanning operation can be performed, the position of the entire tobacco bale can be determined, so that the orientation of all tobacco bales after scanning can be consistent. In this case, keeping this orientation unchanged after scanning can directly stack the tobacco bales in subsequent transportation operations.

[0032] To further ensure the integrity of the above scheme, its supporting structure characteristics are provided, please refer to Figure 1 , including: a base plate 10, a bracket 11 is detachably fixed to the upper end surface of the base plate 10, there are at least two groups of brackets 11, at least two groups of brackets 11 are respectively arranged on both sides of the positioning frame 31, and a rotatable positioning shaft is fixed to the upper end of the bracket 11, and the positioning shaft is connected to the rotation center key of the bracket 11.

[0033] The positioning frame 31 is fixed and supported by the bracket 11. The purpose of setting the bracket 11 into two groups is to facilitate the disassembly of the structural parts of the entire device in subsequent operations. When structural damage occurs, the damaged part of the structure can be removed and replaced, which is convenient for subsequent maintenance.

[0034] In the above scheme, the clamping plate 326 is required to clamp the tobacco leaf package on the conveyor belt 20. This method requires high accuracy and requires speed coordination between programs, which will increase the complexity of the program. In order to reduce the initial debugging work, please refer to Figure 1 Specifically, a bracket three 13 is detachably fixed to the upper end surface of the bottom plate 10, a telescopic rod 131 is fixed to the upper end surface of the bracket three 13, a support plate 132 is fixed to the telescopic end of the telescopic rod 131, and the support plate 132 is used to receive the tobacco leaf package pushed down from the conveyor belt 20. When the support plate 132 is extended, it is located below the adjustment frame 32.

[0035] That is, a separate supporting structure is provided at the end of the conveyor belt 20 to receive the tobacco bales sent down from the conveyor belt 20. The received tobacco bales can be pushed to a specific position by adjusting the extension length of the telescopic rod 131. Under this design, it is only necessary to control the feeding speed of the conveyor belt 20.

[0036] In order to prevent the inclined conveyor belt 20 from affecting the bottom support plate 132, please refer to Figure 1 The upper end surface of the bottom plate 10 is detachably fixed with a bracket 2 12, and both sides of the conveyor belt 20 are detachably fixed to the upper end of the bracket 2 12. The bracket 2 12 is inclined, and the angle between the bracket 2 12 and the horizontal plane is less than 85° and greater than 45°.

[0037] By additionally providing a support 2 12 to support the conveyor belt 20, the separation of the supporting structure can prevent the vibrating conveyor belt 20 from affecting the entire support 3 13, thereby ensuring that the tobacco bales dropped onto the support plate 132 can be stably supported.

[0038] In the aforementioned scheme, although it can ensure that the tobacco bale can accurately slide to the edge position, if the tobacco bale is initially in an inclined state, vibration alone cannot ensure that its orientation is exactly the same. This method may cause the tobacco bale to still be in an inclined state after falling on the support plate 132, and the inclined tobacco bale may be excessively squeezed by the clamping plate 326. In order to reduce the damage to the tobacco bale, a plurality of baffles 21 are fixed to the upper end face of the bracket 21, and the other end of the baffle 21 has a protrusion extending toward the surface of the conveyor belt 20. The distance between the protrusion and the side wall of the conveyor belt 20 away from the baffle 21 is less than the length of the tobacco bale and greater than the width of the tobacco bale. A stepper motor 22 is connected to one side of the conveyor belt 20.

[0039] When the tobacco bale moves on the conveyor belt 20, the baffle plate 21 is used to limit the tobacco bale. The tobacco bale will hit the baffle plate 21 during the movement. Since the distance between the protrusion and the side wall of the conveyor belt 20 away from the baffle plate 21 is less than the length of the tobacco bale and greater than the width of the tobacco bale, the tobacco bale will not be prevented from moving. Instead, it will be in a state of being moved, pushing the tobacco bale into a horizontal position. In this state, not only is the clamping operation more convenient, but it can also ensure that the orientation of the tobacco bale is the same. When the tobacco bale is subsequently moved to the support plate 132, the direction of the tobacco bale will change slightly, and this change can be achieved by adjusting the direction of the clamp 326.

[0040] In one embodiment, see Figure 1 and Figure 2The positioning frame 31 includes a connecting frame 313, a concentrically arranged ring body 1 311 and a ring body 2 312, the ring body 1 311 and the ring body 2 312 are fixed on both sides of the connecting frame 313, a stepper motor 112 is fixed on one side of the bracket 11, and the power end of the stepper motor 112 is fixed to the center position of the connecting frame 313.

[0041] By cooperating with the ring body 1 311 and the ring body 2 312, a certain space can be reserved at the position of the outer ring, so that the exit position of the conveyor belt 20 can be closer to the positioning frame 31, so that the tobacco bale can be restricted by the ring body 1 311 and the ring body 2 312 on both sides when falling, thereby preventing the vibration of the conveyor belt 20 from causing the tobacco bale to fall to an unexpected position.

[0042] To increase the adjustable range between the bottom cleats 326, see Figure 1 and Figure 2 The adjustment frame 32 is disposed between the ring body 1 311 and the ring body 2 312 . The adjustment frame 32 includes two sets of positioning frames 321 . The positioning frames 321 and the internal moving grooves 322 are both semi-arc-shaped. The ends of the two sets of positioning frames 321 abut against each other to form an annular frame.

[0043] A complete ring structure is formed by the cooperation between the two positioning frames 321. This ring structure can give the bottom clamp 326 an approximately semi-circular movement range. When the two semi-rings are connected, an approximately complete ring is formed. The clamp 326 can complete the adjustment function within the ring, thereby achieving the steering adjustment function of the clamped tobacco package.

[0044] In the above solution, the adjustment frame 32 itself cannot rotate, which results in that when the entire positioning frame 31 rotates, the adjustment frame 32 at each position points in a different direction. In order to ensure that the direction of the adjustment frame 32 can be adjusted, please refer to Figures 1 to 7 Specifically, one side of the positioning frame 31 is provided with adjusting motors 33 of the same number as the adjusting frame 32, one end of the adjusting motor 33 is inserted into the interior of the ring body 1 311 and connected to one of the positioning frames 321, a rotatable positioning pin 328 is inserted into the interior of the ring body 2 312, and the other end of the positioning pin 328 is fixed to the other positioning frame 321.

[0045] Each adjustment frame 32 can be adjusted by adding a separate adjustment motor 33. The difference is that only the ring body 1 311 on one side needs to be adjusted, and the ring body 2 312 on the other side only needs to be fixed by the positioning pin 328. The positioning pin 328 can adopt an inserted rotatable connection method, and its structure only serves as a limit, and the rotation limitation is achieved by the adjustment motor 33. Therefore, the adjustment motor 33 is preferably a motor type with a self-locking function.

[0046] During the rotation process, the orientation of the entire tobacco package is changed by continuously adjusting the position of the clamping plate 326, and when the package is rotated to the highest point, the level of the entire tobacco package is adjusted by adjusting the motor 33. When the package is completely horizontal, the label is usually scanned on one side. Different from the traditional linear scanning, the label scanning position is set to an inclined state, that is, to adapt to the position of the moving slot 322, so that the label can be adjusted within a certain range, and the label can still be identified when the label is detected on one side in the symmetrical direction. Fig. 9 As shown, the circle position in the figure represents the scanning point. When the label is on the other side of its center symmetry, the point scanning can be achieved by simply adjusting the motor 33 to flip the entire tobacco bag.

[0047] For further information on the entire adjustment rack 32, please see Figure 4 and Figure 5 A moving plate 324 is disposed inside the moving groove 322 , a retractable clamping plate 326 is connected to the lower end of the moving plate 324 , and a moving wheel 325 is connected to the upper end of the moving plate 324 .

[0048] The moving wheel 325 is used to provide the overall rotation function. The moving wheel 325 can adopt a wheel with teeth, which can ensure the overall positioning function and avoid the moving wheel 325 being unable to stop accurately at the appropriate position due to the inertia of movement after rotation. The clamping plate 326 clamps the tobacco bag in a telescopic manner. Since the entire clamping plate 326 is arranged below the adjustment frame 32, it will not affect the clamping of the tobacco bag and can stably clamp the tobacco bag itself.

[0049] In order to further restrict the position of the moving wheel 325 and facilitate the subsequent disassembly function, please refer to Figures 4 to 7 Specifically, a semi-arc-shaped side groove 323 is opened on one side of the moving groove 322, the outer surface of the moving wheel 325 is in close contact with the inner wall of the moving groove 322, and the other side of the moving wheel 325 passes through the side groove 323 and out of the outer side of the moving groove 322.

[0050] The moving wheel 325 can be inserted into the moving groove 322 from the side groove 323, and then the clamping plate 326 and its connecting structure can be inserted upward from the bottom of the moving groove 322. Finally, the structure can be fixed by bolts to complete the installation work. When disassembling, only the reverse operation is required.

[0051] In order to further improve the clamping structure of the clamping plate 326, please refer to Figures 4 to 7 A second telescopic rod 327 is provided through the lower end surface of the movable plate 324 , and a power end of the second telescopic rod 327 is fixedly connected to the clamping plate 326 .

[0052] The telescopic function of the splint 326 is controlled by the telescopic rod 2 327. When moved to a suitable position, the splint 326 can clamp the tobacco bag by extending the telescopic rod 2 327. When disassembly is required, the clamping function of the tobacco bag can be released by contracting the telescopic rod 2 327.

[0053] The above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them. Anyone familiar with the technology can modify or change the above embodiments without violating the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical ideas disclosed by the present invention should still be covered by the claims of the present invention.

Claims

1. A fixed code scanning device for a tobacco warehouse, characterized in that: include: A conveyor belt (20), wherein the angle between the surface of the conveyor belt (20) and a horizontal plane is less than 85° and greater than 45°, and a vibration motor (23) is provided on one side of the conveyor belt (20); An adjusting assembly (30) is arranged on one side of the conveyor belt (20), the adjusting assembly (30) comprising a positioning frame (31) and an adjusting frame (32), the number of the adjusting frames (32) being multiple and being evenly installed in a ring shape on the inner side of the positioning frame (31), the positioning frame (31) rotating along the center position of the ring formed by the adjusting frame (32), the adjusting frame (32) comprising a positioning frame (321) and a clamping plate (326) for clamping a tobacco leaf package, the positioning frame (321) being ring-shaped, an arc-shaped moving groove (322) being provided inside the positioning frame (321), and the clamping plate (326) moving along the inner wall of the moving groove (322); A code scanning frame (111) is arranged directly above the adjustment component (30), and the code scanning frame (111) is used to scan the labels on the tobacco leaf packages; When the conveyor belt (20) moves the tobacco leaf package to a position close to the adjustment frame (32), the clamping plate (326) clamps the tobacco leaf package and rotates until the code scanning frame (111) completes code scanning of the tobacco leaf package.

2. A fixed code scanning device for a tobacco warehouse according to claim 1, characterized in that: include: A base plate (10), the upper end surface of which is detachably fixed with a bracket one (11), the bracket one (11) having at least two groups, the at least two groups of the bracket one (11) being respectively arranged on both sides of the positioning frame (31), the upper end of the bracket one (11) being fixed with a rotatable positioning shaft, the positioning shaft being connected with a rotation center key of the bracket one (11).

3. A fixed code scanning device for a tobacco warehouse according to claim 2, characterized in that: A bracket three (13) is detachably fixed to the upper end surface of the bottom plate (10), a telescopic rod one (131) is fixed to the upper end surface of the bracket three (13), a support plate (132) is fixed to the telescopic end of the telescopic rod one (131), the support plate (132) is used to receive the tobacco leaf package pushed down from the conveyor belt (20), and the support plate (132) is located below the adjustment frame (32) when extended.

4. A fixed code scanning device for a tobacco warehouse according to claim 2, characterized in that: The upper end surface of the base plate (10) is detachably fixed with a bracket 2 (12), and the two sides of the conveyor belt (20) are detachably fixed to the upper end of the bracket 2 (12), and the bracket 2 (12) is inclined, and the angle between the bracket 2 (12) and the horizontal plane is less than 85° and greater than 45°.

5. A fixed code scanning device for a tobacco warehouse according to claim 4, characterized in that: A plurality of baffles (21) are fixed to the upper end surface of the bracket 2 (12); the other end of the baffle (21) has a protrusion extending toward the surface of the conveyor belt (20); the distance between the protrusion and the side wall of the conveyor belt (20) away from the baffle (21) is less than the length of the tobacco package and greater than the width of the tobacco package; one side of the conveyor belt (20) is connected to a stepper motor 2 (22).

6. A fixed code scanning device for a tobacco warehouse according to any one of claims 1 to 5, characterized in that: The positioning frame (31) comprises a connecting frame (313), a ring body 1 (311) and a ring body 2 (312) which are arranged concentrically, wherein the ring body 1 (311) and the ring body 2 (312) are fixed to two sides of the connecting frame (313), a stepping motor 1 (112) is fixed to one side of the bracket 1 (11), and a power end of the stepping motor 1 (112) is fixed to the center position of the connecting frame (313).

7. A fixed code scanning device for a tobacco warehouse according to claim 6, characterized in that: The adjustment frame (32) is arranged between the first ring body (311) and the second ring body (312), and the adjustment frame (32) includes two groups of positioning frames (321). The positioning frames (321) and the internal moving grooves (322) are both semi-arc-shaped, and the ends of the two groups of positioning frames (321) are pressed against each other to form an annular frame.

8. A fixed code scanning device for a tobacco warehouse according to claim 7, characterized in that: A moving plate (324) is arranged inside the moving groove (322), a retractable clamping plate (326) is connected to the lower end of the moving plate (324), and a moving wheel (325) is connected to the upper end of the moving plate (324).

9. A fixed code scanning device for a tobacco warehouse according to claim 8, characterized in that: A semi-arc-shaped side groove (323) is provided on one side of the movable groove (322); the outer surface of the movable wheel (325) is in close contact with the inner wall of the movable groove (322); the other side of the movable wheel (325) passes through the side groove (323) and out of the outer side of the movable groove (322); a second telescopic rod (327) is provided through the lower end surface of the movable plate (324); and the power end of the second telescopic rod (327) is fixedly connected to the clamping plate (326).

10. A fixed code scanning device for a tobacco warehouse according to claim 7, characterized in that: One side of the positioning frame (31) is provided with adjusting motors (33) whose number is the same as that of the adjusting frames (32); one end of the adjusting motor (33) is inserted into the interior of the first ring body (311) and connected to one of the positioning frames (321); a rotatable positioning pin (328) is inserted into the interior of the second ring body (312); the other end of the positioning pin (328) is fixed to another positioning frame (321).

Images