Paper scrap removing device

Abstract

The utility model provides a paper scrap removing device which comprises a material collecting box and a plurality of pneumatic conveyors, the material collecting box is arranged over a conveying belt, a plurality of partition plates are arranged in an inner cavity of the upper portion of the material collecting box, the inner cavity of the upper portion of the material collecting box is divided into a plurality of conveying cavities by the partition plates, and the pneumatic conveyors are arranged in the conveying cavities. The lower end of each conveying cavity communicates with a lower inner cavity of the material collecting box, and a discharging opening communicating with the lower inner cavity is formed in a front side plate of the material collecting box. And the pneumatic conveyors are located on the left side of the material collecting box, air outlets of the pneumatic conveyors are communicated with the conveying cavities through conveying pipes, air inlets of the pneumatic conveyors are connected with a compressed air source, and adsorption openings of the pneumatic conveyors face the conveying belt. According to the utility model, the paper scraps in the recovered tobacco shreds can be well removed, and the quality of the recovered tobacco shreds is effectively improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of tobacco manufacturing, and particularly relates to a paper scrap removing device. Background Art

[0002] To avoid waste of raw materials, cigarette processing machines are typically used to process waste cigarettes to recover shredded tobacco. However, even after laser impurity removal, the recycled tobacco still contains a certain amount of paper scraps, which can affect the quality of the recycled tobacco. Therefore, how to effectively remove paper scraps from the recycled tobacco and improve its quality has become a pressing technical challenge for those skilled in the art. Utility Model Content

[0003] The purpose of the utility model is to provide a paper scrap removing device to solve the above technical problems in the prior art.

[0004] To achieve the above objectives, the present invention provides the following technical solutions:

[0005] A paper scrap removal device, which includes a collection box and multiple pneumatic conveyors. The collection box is arranged directly above the conveyor belt. Multiple partitions are provided in the upper inner cavity of the collection box. Each partition divides the upper inner cavity of the collection box into multiple conveying cavities. The lower end of each conveying cavity is respectively connected with the lower inner cavity of the collection box. A discharge port connected with the lower inner cavity is provided on the front side panel of the collection box; each of the pneumatic conveyors is located on the left side of the collection box, and the air outlet of each of the pneumatic conveyors is respectively connected with the conveying cavity through a conveying pipe, and the air inlet of each of the pneumatic conveyors is respectively connected to a compressed air source, and the suction port of each of the pneumatic conveyors is respectively facing the conveyor belt.

[0006] Preferably, a discharge cover extending forward is provided at the discharge port, and a waste box is provided at the front end of the discharge cover.

[0007] Preferably, the bottom plate of the collecting box extends forward to the front of the conveyor belt, and the lower end of the discharge port extends to the bottom plate; the lower end of the discharge cover is connected to the bottom plate, and the rear end of the discharge cover is connected to the front side plate.

[0008] Preferably, the bottom plate is arranged to be inclined downward.

[0009] Preferably, the discharge cover is an inverted U-shaped structure.

[0010] Preferably, the pneumatic conveyors are arranged in two rows, and the pneumatic conveyors in different rows are staggered.

[0011] Preferably, the air inlet of each of the pneumatic conveyors is connected to one end of its own air supply pipe through a quick connector, and the other end of each of the air supply pipes is used to be connected to the compressed air source, and each of the air supply pipes is provided with a solenoid valve for controlling the air flow interruption; an industrial camera is provided directly above the conveyor belt, and each of the solenoid valves and the industrial camera is electrically connected to the controller respectively.

[0012] The beneficial effects of the present invention are:

[0013] The paper scrap removal device of the present invention, when in use, utilizes the suction ports of each pneumatic conveyor to suck paper scraps at different positions in the recycled tobacco shreds conveyed on the conveyor belt into the device. The paper scraps are then blown into each conveying cavity through each conveying pipe. The paper scraps then enter the lower inner cavity of the collection box through the lower end of each conveying cavity, thereby effectively removing paper scraps from the recycled tobacco shreds and effectively improving the quality of the recycled tobacco shreds. At the same time, due to the presence of partitions between the conveying cavities, the mutual influence of airflows can be effectively avoided, and the paper scraps can be better ensured to enter the lower inner cavity of the collection box more smoothly, thereby achieving the collection of the paper scraps. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the embodiments, and further describe the specific embodiments of the present invention in detail in conjunction with the drawings, wherein

[0015] Figure 1 An axonometric view of a paper scrap removal device provided in an embodiment of the present utility model;

[0016] Figure 2 A front view of a paper scrap removal device provided in an embodiment of the present utility model;

[0017] Figure 3 for Figure 2 Cross-sectional view along the AA axis;

[0018] Figure 4 A left side view of the paper scrap removal device provided in an embodiment of the present invention;

[0019] Figure 5 This is a schematic diagram of the distribution positions of the pneumatic conveyors provided in an embodiment of the present utility model.

[0020] Markings in the accompanying drawings:

[0021] 11. Collecting box, 12. Discharge cover, 13. Bottom plate, 14. Partition, 15. Lower cavity,

[0022] 16. Discharge port, 17. Conveying chamber; 21. Pneumatic conveyor, 22. Adsorption port;

[0023] 31. Conveyor pipe; 41. Quick connector; 51. Conveyor belt; 61. Paper scraps. DETAILED DESCRIPTION

[0024] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that unless otherwise specifically stated, the relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention.

[0025] The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the present invention, its application, or uses.

[0026] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered part of the specification.

[0027] In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not limiting. Therefore, other examples of the exemplary embodiments may have different values.

[0028] like Figures 1 to 5 As shown, an embodiment of the present invention provides a paper scrap removal device, which includes a collection box 11 and multiple pneumatic conveyors 21. The collection box 11 is arranged directly above the conveyor belt 51, and multiple partitions 14 are provided in the upper inner cavity of the collection box 11. Each of the partitions 14 divides the upper inner cavity of the collection box into multiple conveying cavities 17. The lower end of each conveying cavity 17 is respectively connected with the lower inner cavity 15 of the collection box, and a discharge port 16 connected with the lower inner cavity is provided on the front side panel of the collection box 11; each of the pneumatic conveyors 21 is located on the left side of the collection box, and the air outlet of each of the pneumatic conveyors is respectively connected with the conveying cavity 17 through the conveying pipe 31, and the air inlet of each of the pneumatic conveyors 21 is respectively connected to the compressed air source, and the suction port 22 of each of the pneumatic conveyors is respectively facing the conveyor belt 51.

[0029] The paper scrap removal device provided by the embodiment of the present invention, when in use, utilizes the adsorption port 22 of each pneumatic conveyor to suck paper scraps at different positions in the recycled tobacco shreds transported on the conveyor belt 51, and then the paper scraps are blown into each conveying cavity 17 through each conveying pipe 31, and then the paper scraps enter the lower inner cavity 15 of the collection box through the lower end of each conveying cavity, thereby better achieving the removal of paper scraps 61 in the recycled tobacco shreds and effectively improving the quality of the recycled tobacco shreds. At the same time, since there are partitions between each conveying cavity, it is possible to better avoid the mutual influence of airflows, better ensure that paper scraps can enter the lower inner cavity of the collection box more smoothly, and realize the collection of paper scraps. In addition, the paper scraps in the collection box can be collected through the discharge port 16 and then processed centrally.

[0030] Furthermore, a discharging cover 12 extending forward is provided at the discharging port 16, and a waste box is provided at the front end of the discharging cover 12. This solution facilitates the collection of paper scraps into the waste box for centralized processing.

[0031] In one embodiment, the bottom plate 13 of the collection box extends forward to the front of the conveyor belt, and the lower end of the discharge port extends to the bottom plate. The lower end of the discharge cover 12 is connected to the bottom plate, and the rear end of the discharge cover is connected to the front side plate. This solution facilitates the collection of paper scraps using the waste bin.

[0032] Specifically, the bottom plate 13 is tilted downward so that the paper scraps and the sucked-in waste tobacco in the collection box 11 can slide quickly along the tilted bottom plate 13 into the waste box under the action of their own gravity and compressed air flow, thereby realizing rapid collection of the paper scraps.

[0033] Preferably, the discharge cover 12 is an inverted U-shaped structure.

[0034] Specifically, the pneumatic conveyors 21 are arranged in two rows, with the pneumatic conveyors 21 in different rows staggered, thereby enabling each pneumatic conveyor to better remove paper scraps from different locations within the recovered tobacco shreds on the conveyor belt. It is understood that, in this case, it is preferable that the pneumatic conveyors 21 in the same row be evenly distributed across the width of the conveyor belt; that each conveying tube is in one-to-one communication with each conveying cavity; and that the suction port of each pneumatic conveyor is positioned close to the conveyor belt to facilitate suction of paper scraps. Pneumatic conveyors are commonly used components in the prior art, and their structure and operating principle are not further described here.

[0035] Furthermore, the air inlet of each pneumatic conveyor 21 is connected to one end of its own air supply pipe through its own quick connector 41, and the other end of each air supply pipe is used to connect to a compressed air source. Each air supply pipe is provided with a solenoid valve for controlling the flow of compressed air in the air supply pipe; an industrial camera is provided directly above the conveyor belt 51, and each solenoid valve and industrial camera is electrically connected to the controller. With this solution, when in use, the industrial camera is used to take real-time photos of the recycled tobacco conveyed on the conveyor belt 51, and then the image obtained by taking the photo is transmitted to the controller. The controller processes and analyzes the image to determine whether there are paper scraps in the recycled tobacco. If there are paper scraps, the coordinate position of the paper scraps on the conveyor belt is calculated, and this is used to determine which pneumatic conveyor should adsorb the paper scraps. Then, based on the running speed of the conveyor belt 51 and the horizontal distance L between the paper scraps 61 and the adsorption port 22 of the pneumatic conveyor, the time T1 for the paper scraps to reach the adsorption port is calculated, and the controller is controlled. The device tracks the position of the paper scraps in real time. When time T1 is reached, the controller controls the solenoid valve corresponding to the pneumatic conveyor 21 to operate, opening the corresponding air supply pipe, allowing compressed air to enter the pneumatic conveyor through the air inlet and flow into the conveying pipe from the air outlet of the pneumatic conveyor. At this time, negative pressure suction is generated at the suction port of the pneumatic conveyor, causing the paper scraps to be sucked into the conveying pipe 31, and then the paper scraps are blown into the collection box 11 along with the compressed air. After reaching the set time T2, the controller controls the solenoid valve to close the corresponding air supply pipe, completing the paper scrap removal process. It can be understood that quick connectors are commonly used components in the prior art and will not be described in detail here.

[0036] The paper scrap removing device of the utility model adopts a negative pressure adsorption method to more accurately suck the paper scraps in the identified recycled tobacco into the collecting box, thereby better achieving the removal of the paper scraps in the recycled tobacco.

[0037] Although some specific embodiments of the present invention have been described in detail through examples, those skilled in the art will appreciate that the above examples are for illustration only and are not intended to limit the scope of the present invention. Those skilled in the art will appreciate that modifications may be made to the above embodiments without departing from the scope and spirit of the present invention. The scope of the present invention is defined by the appended claims.

Claims

1. A paper scrap removal device, characterized in that: It includes an aggregate box and multiple pneumatic conveyors. The aggregate box is arranged directly above the conveyor belt. Multiple partitions are provided in the upper inner cavity of the aggregate box. Each partition divides the upper inner cavity of the aggregate box into multiple conveying cavities. The lower end of each conveying cavity is respectively connected with the lower inner cavity of the aggregate box. A discharge port connected with the lower inner cavity is provided on the front side panel of the aggregate box; each pneumatic conveyor is located on the left side of the aggregate box, and the air outlet of each pneumatic conveyor is respectively connected with each conveying cavity through a conveying pipe, and the air inlet of each pneumatic conveyor is respectively connected to a compressed air source, and the suction port of each pneumatic conveyor is respectively facing the conveyor belt.

2. The paper scrap removal device according to claim 1, characterized in that: A discharge cover extending forward is provided at the discharge port, and a waste box is provided at the front end of the discharge cover.

3. The paper scrap removal device according to claim 2, characterized in that: The bottom plate of the collecting box extends forward to the front of the conveyor belt, and the lower end of the discharge port extends to the bottom plate; the lower end of the discharge cover is connected to the bottom plate, and the rear end of the discharge cover is connected to the front side plate.

4. The paper scrap removal device according to claim 3, characterized in that: The bottom plate is arranged to be tilted downward.

5. The paper scrap removing device according to claim 3, characterized in that: The discharge cover is an inverted U-shaped structure.

6. The paper scrap removing device according to claim 1, characterized in that: The pneumatic conveyors are arranged in two rows, and the pneumatic conveyors in different rows are staggered.

7. The paper scrap removing device according to any one of claims 1 to 6, characterized in that: The air inlet of each pneumatic conveyor is connected to one end of its own air supply pipe through a quick connector, and the other end of each air supply pipe is used to be connected to the compressed air source. Each air supply pipe is provided with a solenoid valve for controlling the air flow interruption; an industrial camera is provided directly above the conveyor belt, and each solenoid valve and the industrial camera are electrically connected to the controller respectively.

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