Sand screening fragment recovery device for threshing and redrying
By designing a sand sieve fragment recovery device for leaf-beating and re-baking, using vibrating screening machine, belt machine and other auxiliary devices, the problem of waste in the recycling and waste of sand sieve fragments in the prior art is solved, and efficient fragment screening and recycling is achieved.
Patent Information
- Application Number
- CN202420224277.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-30
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-01-30
AI Technical Summary
The existing recycling method of sifting sand fragments in tobacco leaves is wasteful. Adding it back to the production line after simple sieving will affect product quality. However, packing and disposing it as waste after simple sieving will lead to a large amount of recyclable fragments being wasted.
A leaf-beating and re-baked sand debris recovery device including the first and second stage vibrating screening machine, belt machine and blanking machine is designed. Through the combination of the vibrating screening machine and belt machine, combined with the straw nozzle, air filling port and material picking device, the effective screening and cleaning of debris is achieved.
The device can effectively screen and recover qualified shapes and sizes, pure fragments, reduce waste of tobacco leaf raw materials, improve product quality, and achieve efficient recycling of sand sifting.
Smart Images
Figure CN222625285U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of tobacco leaf processing equipment, in particular to a device for recovering sand screening fragments used for leaf threshing and re-roasting. Background Art
[0002] At present, there are two main ways to recycle the screening sand fragments in the tobacco leaf threshing and re-roasting process: adding them back to the production line directly after simple screening, and packaging them as waste after simple screening. Adding them back to the production line after simple screening has a serious impact on product quality due to the presence of many non-tobacco substances; packaging them as waste after simple screening results in a large amount of recyclable fragments being treated as waste, resulting in waste. Utility Model Content
[0003] In view of this, the purpose of the utility model is to provide an easy-to-use and practical device for recovering sand and debris from leaf beating and re-roasting, which can well complete the screening and recovery of useful debris and reduce the waste of tobacco raw materials.
[0004] The utility model is implemented by the following scheme: a device for recovering leaf beating and re-baking sand screening fragments, comprising a first-stage vibrating screening machine, a second-stage vibrating screening machine, a belt conveyor and a dropper, wherein the second-stage vibrating screening machine is located below the discharge end of the belt conveyor, the dropper is located above the belt conveyor, and a centrifugal fan is provided on the upper part of the dropper; a suction pipe nozzle is provided at the discharge port at the rear end of the first-stage vibrating screening machine, and the centrifugal fan and the suction pipe nozzle are connected by an air duct.
[0005] Furthermore, the suction tube nozzle is in the shape of a tube with a rectangular cross-section, the upper and lower ends of the suction tube nozzle are open, a feed port is provided at the lower part of the suction tube nozzle facing the side of the first-stage vibrating screening machine, and the rear end discharge port of the first-stage vibrating screening machine extends into the feed port of the suction tube nozzle; an adjustment plate is provided at the feed port of the suction tube nozzle for adjusting the opening of the feed port.
[0006] Furthermore, the adjustment plate has two vertical long holes, and the adjustment plate is fixed to the suction pipe nozzle by bolts passing through the vertical production control; the suction pipe nozzle is provided with an air supply port above the feed port, and an air supply baffle is hingedly installed at the air supply port.
[0007] Furthermore, an S-shaped curved pipe section is provided on the air duct.
[0008] Furthermore, the discharging end of the belt conveyor is provided with an inverted cone-shaped guide cover, and a material-beating device is provided in the middle of the guide cover; the material-beating device includes a rotating shaft driven to rotate by a motor, and a plurality of material-beating blades are provided on the rotating shaft.
[0009] Furthermore, a discharging belt conveyor is provided below the discharging port at the rear end of the second-stage vibrating screening machine, and a roller is rotatably installed at the upper front part of the discharging belt conveyor, and the roller is covered with Velcro; a strip of Velcro is horizontally arranged along the upper rear part of the discharging belt conveyor.
[0010] Compared with the prior art, the utility model has the following beneficial effects: the device for recovering sand screening fragments after beating and re-roasting of the utility model has novel structure, established design, convenient use and strong practicality, can well complete the screening and recovery of useful fragments, and reduces the waste of tobacco raw materials. Through various conveying methods and according to the characteristics of the fragments during the conveying process, it can effectively screen and clean out unqualified fragments, sundries, tobacco stems, sand and soil, etc. in the fragments, and finally obtain pure fragments with qualified shape and size, so that the fragments meet the recycling requirements and realize the recovery of sand screening fragments.
[0011] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail below through specific embodiments and related drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the utility model;
[0013] Figure 2 This is a schematic diagram of the structure of the suction nozzle of an embodiment of the utility model;
[0014] Figure 3 This is a schematic diagram of the structure of the material shooting device in the embodiment of the utility model;
[0015] Figure 4 A top view of the second-stage vibrating screening machine of an embodiment of the utility model;
[0016] Figure 5 This is a schematic diagram of the top view of the discharging belt conveyor according to an embodiment of the utility model;
[0017] Explanation of the numbers in the figure: 1-first-stage vibration screening machine; 2-first-stage vibration screening machine frame; 3-first-stage vibration screening machine screen; 4-side discharge port of the first-stage vibration screening machine; 5-first-stage vibration screening machine driving motor; 6-first-stage vibration screening machine rear end discharge port; 7-suction pipe nozzle; 8-suction pipe nozzle frame; 9-adjustment plate; 10-air supply baffle; 11-air duct; 12-S-shaped bend section; 13-dropper; 14-dropper frame; 15-dropper motor; 16-centrifugal fan; 17-centrifugal fan Motor; 18-belt conveyor; 19-belt conveyor frame; 20-motor; 21-guide cover; 22-material beating device; 23-second-stage vibration screening machine; 24-second-stage vibration screening machine frame; 25-second-stage vibration screening machine drive motor; 26-second-stage vibration screening machine screen; 27-second-stage vibration screening machine side discharge port; 28-second-stage vibration screening machine rear end discharge port; 29-discharge belt conveyor; 30-discharge belt conveyor frame; 31-discharge belt conveyor motor; 32-roller; 33-strip Velcro. DETAILED DESCRIPTION
[0018] It should be noted that the following detailed descriptions are exemplary and are intended to provide further explanation of the present application. Unless otherwise specified, all technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the art to which the present application belongs.
[0019] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.
[0020] like Figures 1 to 5 As shown, a device for recovering leaf beating, re-baking and sand screening fragments comprises a first-stage vibrating screening machine 1, a second-stage vibrating screening machine 23, a belt conveyor 18 and a dropper 13, wherein the second-stage vibrating screening machine 23 is located below the discharge end of the belt conveyor, the dropper 13 is located above the belt conveyor 18, and a centrifugal fan 16 is provided on the upper part of the dropper 13; a suction pipe nozzle 7 is provided at the discharge port at the rear end of the first-stage vibrating screening machine 1, the centrifugal fan 16 and the suction pipe nozzle 7 are connected by an air duct 11, the dropper 13 is supported by a dropper frame 14, and a driving force is provided by a motor 15, and the fragments sent from the air duct 11 fall onto the belt conveyor 18 through the action of the dropper.
[0021] The first-stage vibrating screening machine is supported by the first-stage vibrating screening machine frame 2 and driven by the first-stage vibrating screening machine drive motor 5. The mesh of the first-stage vibrating screening machine screen 3 is circular with an aperture of 3mm. It is mainly used to screen the sand and fragments with a diameter less than 3mm in the sand screening fragments. The screened materials are separated through the side discharge port 4 of the first-stage vibrating screening machine, and the screened materials are sent out through the rear end discharge port of the first-stage vibrating screening machine and are sucked into the suction pipe nozzle 7 connected to the rear end of the first-stage vibrating screening machine, while the heavier parts such as the tobacco stems fall out from under the suction pipe nozzle 7, and the sand screening fragments complete the first process.
[0022] The second-stage vibration screening machine 23 is supported by the second-stage vibration screening machine frame 24 and driven by the second-stage vibration screening machine drive motor 25. The fragments falling on the second-stage vibration screening machine 23 pass through the second-stage vibration screening machine screen, which has a width of 6 mm and is in the shape of long strips. The fragments with a diameter less than 6 mm or long strips can be screened out. The screened fragments with a diameter less than 6 mm are separated through the side discharge port 27 at the rear end of the second-stage vibration screening machine, and the other fragments are transported to the discharge belt conveyor 29 through the discharge port 28 at the rear end of the second-stage vibration screening machine.
[0023] In this embodiment, the suction tube nozzle 7 is in the shape of a tube with a rectangular cross-section. The upper and lower ends of the suction tube nozzle 7 are open, and a feed port is provided at the lower part of the suction tube nozzle 7 facing the side of the first-stage vibrating screening machine 1, and the rear end discharge port of the first-stage vibrating screening machine 1 extends into the feed port of the suction tube nozzle 7; an adjustment plate 9 for adjusting the opening of the feed port is provided at the feed port of the suction tube nozzle 7, and the gap between the suction tube nozzle 7 and the first-stage vibrating screening machine 1 is adjusted by moving the adjustment plate up and down.
[0024] In this embodiment, there are two vertical long holes on the adjustment plate 9, and the adjustment plate 9 is fixed to the suction pipe nozzle 7 by bolts passing through the vertical production control; the suction pipe nozzle 7 is provided with an air supply port above the feed port, and an air supply baffle 10 is hingedly installed at the air supply port. The size of the air supply port opening can be adjusted by rotating the air supply baffle 10 to adjust the angle. The air supply baffle 10 can be adjusted according to actual needs to adjust the debris suction situation.
[0025] The suction pipe nozzle 7 is supported by the suction pipe nozzle frame 8, and the negative pressure generated by the centrifugal fan 16 provides suction. The lower end of the suction pipe nozzle 7 wraps the rear end discharge port of the first-stage vibration screening machine 1. The bolts of the tension adjustment plate 9 can adjust the adjustment plate 9 up and down, and adjust the fragments according to actual needs to achieve the best suction effect; the air supply baffle 10 can further adjust the suction situation of the fragments according to actual needs, and the top of the suction pipe nozzle 7 is connected to the air duct 11. By adjusting the adjustment plate 9 and the air supply baffle 10, the tobacco stems and fragments in the sand screening fragments can achieve an ideal separation effect, and the sand screening fragments are further processed.
[0026] In this embodiment, an S-shaped curved pipe section 12 is provided on the air duct 11. The main function of the S-shaped curved pipe section 12 is to increase the friction and collision between the fragments and the inner wall of the air duct, strengthen the separation of sand, dust and the like attached to the fragments from the fragments, and further improve the purity of the fragments.
[0027] In this embodiment, the discharging end of the belt conveyor 18 is provided with an inverted cone-shaped guide cover 21 to receive the fragments separated by the dropper, and a material-shooting device 22 is provided in the middle of the guide cover 21; the material-shooting device 22 includes a rotating shaft driven by a motor 20, and a plurality of material-shooting blades are provided on the rotating shaft. The belt conveyor 18 is supported by a belt conveyor frame 19 and driven by a motor 20. The fragments falling on the belt conveyor 18 fall into the second-stage vibrating screening machine 23 through the guide cover 21. During this period, the fragments pass through the material-shooting device 22. The rotating material-shooting device 22 can further shoot off the sand, dust, etc. attached to the fragments, further improving the purity of the fragments. The material-shooting device 22 is driven by the motor 20, and the two ends of the rotating shaft are fixed to the two sides of the cover opening through bearings and bearing seats.
[0028] In this embodiment, a discharging belt conveyor 29 is provided below the discharging port 28 at the rear end of the second-stage vibrating screening machine. A roller 32 is rotatably installed at the upper front position of the discharging belt conveyor 29, and the roller 32 is covered with Velcro; a strip Velcro 33 is horizontally arranged along the upper rear edge of the discharging belt conveyor 29. The discharging belt conveyor is supported by the discharging belt conveyor frame 30, and the driving force is provided by the discharging belt conveyor motor 31. The discharging belt conveyor 29 is equipped with a roller 32 covered with Velcro and a strip Velcro 33, which can effectively adhere the hemp silk, hemp wool, animal hair, etc. in the fragments, greatly improving the purity of the fragments and ensuring the quality of the recovered fragments. Finally, the rear end of the discharging belt conveyor 29 is connected to the main line equipment to complete the recovery of the fragments.
[0029] The utility model is used for the recycling device of sand screening fragments for beating and re-roasting. Through various conveying methods, and in the conveying process according to the characteristics of the fragments, the unqualified fragments, sundries, tobacco stems, sand and soil, etc. in the fragments are effectively screened and cleaned out, and finally the fragments with qualified shapes and sizes and purity are obtained, so that the fragments meet the recycling requirements, and the recycling of sand screening fragments is realized. The device has a simple structure, a clever design, and is easy to use. It can well complete the screening and recycling of useful fragments, and reduce the waste of tobacco raw materials.
[0030] Unless otherwise stated, any technical solution disclosed in the above utility model, if it discloses a numerical range, then the disclosed numerical range is a preferred numerical range. Any technician in the field should understand that the preferred numerical range is only a numerical value with a more obvious technical effect or representative value among many feasible numerical values. Since there are too many numerical values to be exhaustive, the utility model discloses only some numerical values to illustrate the technical solution of the utility model, and the numerical values listed above should not constitute a limitation on the scope of protection of the utility model.
[0031] If the present invention discloses or involves components or structures that are fixedly connected to each other, then, unless otherwise stated, the fixed connection can be understood as: a detachable fixed connection (for example, connection using bolts or screws), and can also be understood as: a non-detachable fixed connection (for example, riveting, welding). Of course, the mutual fixed connection can also be replaced by an integrated structure (for example, manufactured by one-piece molding using a casting process) (except when it is obviously impossible to use an one-piece molding process).
[0032] In addition, unless otherwise stated, the terms used to indicate positional relationships or shapes in any of the technical solutions disclosed in the above utility model include states or shapes that are approximate, similar or close thereto.
[0033] Any component provided by the utility model can be assembled from multiple separate components, or can be a separate component manufactured by an integrated molding process.
[0034] The above is only the preferred embodiment of the utility model, and does not limit the utility model in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the technical solution of the utility model still belongs to the protection scope of the technical solution of the utility model.
Claims
1. A device for recovering sand fragments from leaf threshing and re-baking, characterized in that: It includes a first-stage vibrating screening machine, a second-stage vibrating screening machine, a belt conveyor and a dropper. The second-stage vibrating screening machine is located below the discharging end of the belt conveyor, the dropper is located above the belt conveyor, and a centrifugal fan is provided on the top of the dropper; a suction pipe nozzle is provided at the discharging port at the rear end of the first-stage vibrating screening machine, and the centrifugal fan and the suction pipe nozzle are connected by an air duct; an inverted cone-shaped guide cover is provided at the discharging end of the belt conveyor, and a material-beating device is provided in the middle of the guide cover; the material-beating device includes a rotating shaft driven to rotate by a motor, and a plurality of material-beating blades are provided on the rotating shaft; a discharging belt conveyor is provided below the discharging port at the rear end of the second-stage vibrating screening machine, and a roller is rotatably installed at the upper front part of the discharging belt conveyor, and the roller is covered with Velcro; a strip of Velcro is horizontally provided along the upper rear edge of the discharging belt conveyor.
2. The device for recovering sand fragments after leaf threshing and re-baking according to claim 1 is characterized in that: The suction tube nozzle is in the shape of a tube with a rectangular cross-section. The upper and lower ends of the suction tube nozzle are open. A feed port is provided at the lower part of the suction tube nozzle facing the side of the first-stage vibrating screening machine. The rear end discharge port of the first-stage vibrating screening machine extends into the feed port of the suction tube nozzle. An adjustment plate for adjusting the opening of the feed port is provided at the feed port of the suction tube nozzle.
3. The device for recovering sand fragments after leaf threshing and re-baking according to claim 2 is characterized in that: The adjustment plate has two vertical long holes, and the adjustment plate is fixed to the suction pipe nozzle by bolts passing through the vertical production control; the suction pipe nozzle is provided with an air supply port above the feed port, and an air supply baffle is hingedly installed at the air supply port.
4. The device for recovering sand fragments after leaf threshing and re-baking according to claim 1 is characterized in that: The air duct is provided with an S-shaped curved pipe section.