Mixing mechanism for tobacco shred mixing equipment

Abstract

The utility model discloses a material mixing mechanism for tobacco shred material mixing equipment, which comprises a material mixing cylinder, the upper part and the lower part of the material mixing cylinder are respectively and fixedly provided with a sealing cover and a conical hopper which correspond to each other, the sealing cover is provided with a feeding pipe and an exhaust pipe which correspond to each other, and the bottom of the conical hopper is provided with a corresponding discharging opening; the material mixing mechanism comprises a through circulating pipe which is driven by a corresponding driving motor to rotate and is installed on the lower side of the sealing cover, the upper end and the lower end of the through circulating pipe are arranged at intervals with the discharging opening and the sealing cover respectively, and a circulating channel communicating the upper end and the lower end of the through circulating pipe is arranged in the through circulating pipe; and the pneumatic circulating mechanism is used for controlling the opening and closing of the discharging opening of the conical hopper, and air is supplied to the circulating channel of the hollow circulating pipe through the pneumatic circulating mechanism. According to the tobacco shred mixing device, the uniformity and filling power of tobacco shred mixing are effectively improved, and the automation degree of tobacco shred mixing can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a cut tobacco production equipment technical field, specifically point to a kind of mixing mechanism for cut tobacco mixing equipment. BACKGROUND

[0002] Cut tobacco refers to tobacco leaf is cut into silk, granular, sheet, end or other shape, then add auxiliary material, after stirring, fermentation, storage, without rolling can be sold and used tobacco products.Cut tobacco needs to be mixed and stirred after cutting to ensure the uniformity of cut tobacco quality and the bulkiness of cut tobacco.

[0003] Traditionally, cut tobacco is mainly mixed by manual mixing and mechanical mixing. Manual mixing has low processing efficiency and poor mixing quality, and the labor cost is high, which is very troublesome. The mechanical mixing at the present stage generally uses a roller-type stirring barrel to realize overturning and uniform mixing by low-speed rotation, but the mixing efficiency is low, the mixing effect is poor, and it is not easy to stir the entangled cut tobacco, which can easily lead to clumping and is not conducive to subsequent processing, and cannot meet the requirements of cut tobacco mixing. The high-speed rotating mixing machine can break the cut tobacco and reduce the quality, and is not suitable for mixing high-quality tobacco.

[0004] Therefore, the research purpose of the utility model is to design a mixing mechanism for cut tobacco mixing equipment that can effectively improve the uniformity and bulkiness of cut tobacco mixing and improve the automation level of cut tobacco mixing. SUMMARY

[0005] In view of the technical problems existing in the prior art, the utility model provides a mixing mechanism for cut tobacco mixing equipment, which can effectively solve the technical problems existing in the prior art.

[0006] The technical scheme of the utility model is as follows:

[0007] A mixing mechanism for cut tobacco mixing equipment, comprising:

[0008] A mixing barrel, a corresponding cover and a conical hopper are fixedly installed on the upper and lower parts of the mixing barrel, a corresponding feed pipe and exhaust pipe are arranged on the cover, and a corresponding discharge port is arranged at the bottom of the conical hopper;

[0009] The mixing mechanism comprises a through-core circulating pipe driven to rotate by a corresponding drive motor and installed on the lower side of the cover, the upper and lower ends of the through-core circulating pipe are arranged at a distance from the discharge port and the cover, and a circulating channel is arranged in the through-core circulating pipe and communicates with the upper and lower ends of the through-core circulating pipe.

[0010] A pneumatic circulating mechanism is used to control the opening and closing of the discharge port of the conical hopper, and the pneumatic circulating mechanism is used to send gas to the circulating channel of the through-core circulating pipe.

[0011] The mixing mechanism further comprises a material loosening assembly for loosening the tobacco, which comprises at least one frame-shaped loosening member fixedly installed on the lower outer surface of the through circulation pipe.

[0012] The pneumatic circulation mechanism comprises a trachea cover member rotatably installed on the outside of the discharge port of the conical hopper and used for closing the discharge port, the inside of the trachea cover member is provided with a gas guide channel communicating with the mixing cylinder and the turbine fan; when discharging, the trachea cover member is turned downward to make the discharge port communicate with the outside, when mixing, the trachea cover member is turned upward to close the discharge port, and the gas outlet of the gas guide channel is opposite to the circulation channel of the through circulation pipe.

[0013] A guide mechanism communicating with the mixing cylinder and the circulation channel is arranged between the top of the through circulation pipe and the cover, the guide mechanism comprises a plurality of guide grooves arranged in an annular array on the top of the through circulation pipe and communicating with the circulation channel, the guide grooves are arranged in a spiral arc shape from bottom to top, and the guide mechanism further comprises a material guide member arranged in space above the through circulation pipe and coaxial with the through circulation pipe and rotating synchronously.

[0014] The top of the material guide member is connected with the output shaft of the driving motor and rotatably installed on the cover through a corresponding bearing, the bottom of the material guide member extends downward below the cover and is arranged in an inverted conical slope shape; the through circulation pipe and the material guide member are connected through a linking cylinder member, a plurality of discharge ports are arranged on the outer side wall of the linking cylinder member in a circumferential interval between the material guide member and the through circulation pipe.

[0015] The bottom of the linking cylinder member is sleeved on the outside of the upper part of the through circulation pipe and fixed by corresponding bolts, the top of the linking cylinder member is sleeved on the material guide member and fixed by corresponding bolts, and the material guide member drives the through circulation pipe and the linking cylinder member to rotate synchronously when the material guide member rotates.

[0016] A corresponding spring and double-layer nylon sealing ring are sleeved on the outside of the material guide member between the top of the linking cylinder member and the cover; an installation cylinder part for installing the driving motor and the bearing is integrally formed on the top of the cover and fixed outward, a through hole for penetrating and installing the material guide member is coaxially arranged in the installation cylinder part, a corresponding annular groove is coaxially arranged on the bottom of the installation cylinder part, and the spring and the upper nylon sealing ring are installed in the annular groove.

[0017] A group of installation plates are fixedly installed on the outer side wall of the conical hopper in space, the trachea cover member is rotatably installed on the group of installation plates by a corresponding power motor, and the gas guide channel in the trachea cover member is connected with the air outlet of the turbine fan through a corresponding trachea.

[0018] The tobacco mixing device comprises a supporting frame for mounting the mixing cylinder, mixing mechanism and pneumatic circulating mechanism, a protective partition plate wrapped outside the supporting frame, and a control system connected with the driving motor, turbine fan and power motor, and the control system is connected with a display touch screen arranged on the supporting frame.

[0019] The end of the exhaust pipe located in the mixing cylinder is detachably provided with a corresponding filter screen through a corresponding fixing ring.

[0020] The utility model discloses a kind of tobacco mixing devices, which comprises mixing cylinder, mixing mechanism, pneumatic circulating mechanism, driving motor, turbine fan and power motor.

[0021] 1) The utility model discloses a rotating through heart circulating pipe and pneumatic circulating mechanism cooperate, utilize Bernoulli's principle in the conical hopper discharge port of mixing cylinder longitudinal upward input high-speed airflow, produce negative pressure, and then centrifugal throw after longitudinal upward conveying material, return conical hopper again by gravity effect, and form longitudinal three-dimensional circulating mixing, improve mixing uniformity, and further blow apart tobacco while realizing mixing, and then improve its mixed bulkiness.

[0022] 2) The utility model further solid connection corresponding material loose subassembly on the lower side outer end surface of through heart circulating pipe, material loose subassembly rotates with through heart circulating pipe, can scatter tobacco in advance, can effectively avoid tobacco knot, to promote tobacco to enter through heart circulating pipe smoothly, avoid jam, ensure practicality, and can preliminary circumferential mixing of tobacco, further improve mixing uniformity.

[0023] 3) But simply rely on airflow to produce tumbling circulating mixing is relatively chaotic and has no rule, so the utility model discloses a guide mechanism that is communicated with mixing cylinder and circulating channel is arranged between the top of through heart circulating pipe and cover, the top of through heart circulating pipe is arranged with guide groove communicated with circulating channel in annular array, the guide groove is arranged in spiral arc shape from below to above, and the bottom of material guide piece rotating with through heart circulating pipe is arranged as inverted taper inclined plane;Tobacco is thrown outward in regular vortex spiral centrifugation through guide groove, and the setting of material guide piece makes tobacco throw out and guide downward to form effective circulation, and the inverted taper setting of material guide piece minimizes the inhibition of airflow by material guide piece, to improve the practical effect of the utility model.

[0024] 4) The utility model discloses that the bottom of conical hopper is rotatably installed by corresponding air pipe cover through power motor, and the opening of air pipe cover can facilitate tobacco discharge, and the closing of discharge port of air pipe cover can form closure at the bottom of mixing cylinder, and air duct communicated with turbine fan is arranged in air pipe cover, to further carry out gas conveying in mixing cylinder, and the flowing airflow effectively ensures that tobacco and other materials can form repeated circulating longitudinal mixing under the push of air pressure, to ensure the completion of action, and improve the practical effect of the utility model.

[0025] 5) The present application is provided with a corresponding spring and nylon sealing ring between the top of the connecting part of the material guide and the adapter tube and the cover, which improves the sealing of the connecting part of the material guide and the cover through the cooperation of the spring and nylon sealing ring, thereby effectively preventing the scattered tobacco from blocking the connecting part to avoid hindering the rotation of the motor-driven through-circulation pipe; and the smooth surface of the nylon sealing ring also prevents the sealing ring from hindering or generating excessive friction force on the low-speed rotating motor, thereby ensuring the normal rotation of the through-circulation pipe. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a structural schematic diagram of the present application.

[0027] Figure 2 It is Figure 1 It is a structural schematic diagram of the present application.

[0028] Figure 3 It is Figure 1 It is an A-A cross-sectional schematic diagram of the present application.

[0029] Figure 4 It is Figure 1 It is a B-B cross-sectional schematic diagram of the present application.

[0030] Figure 5 It is a cross-sectional schematic diagram of the through-circulation pipe of the present application.

[0031] In the drawings: mixing barrel 1, cover 2, conical hopper 3, mounting plate 301, feed pipe 4, exhaust pipe 5, drive motor 6, through-circulation pipe 7, circulation channel 701, guide groove 702, material loosening assembly 8, air pipe cover 9, air guide channel 901, turbine fan 10, material guide 11, adapter tube 12, discharge port 1201, spring 13, nylon sealing ring 14, power motor 15, support frame 16, protective partition 17, display touch screen 18, material guide hopper 19, accommodation area 1901. DETAILED DESCRIPTION

[0032] In order to facilitate those skilled in the art to understand, the structure of the present application will be further described in detail in combination with the drawings:

[0033] Example one

[0034] Referring to Figures 1-5 A mixing mechanism for a tobacco mixing device, comprising:

[0035] Mixing barrel 1, which is fixedly installed with corresponding cover 2 and conical hopper 3 on the upper and lower parts, respectively, cover 2 is provided with corresponding feed pipe 4 and exhaust pipe 5, and discharge port is provided at the bottom of conical hopper 3;

[0036] The mixing mechanism comprises a through circulating pipe 7 rotatably installed at the lower side of the cover 2 by a corresponding driving motor 6, the upper and lower ends of the through circulating pipe 7 are respectively arranged at a distance from the discharge port and the cover 2, and a circulating channel 701 is arranged in the through circulating pipe 7 and communicates with the upper and lower ends of the through circulating pipe 7.

[0037] The pneumatic circulating mechanism is used for controlling the opening and closing of the discharge port of the conical hopper 3, and air is sent to the circulating channel 701 of the through circulating pipe 7 through the pneumatic circulating mechanism.

[0038] The through circulating pipe 7 and the pneumatic circulating mechanism are matched, high-speed airflow is longitudinally input upward at the discharge port of the conical hopper 3 of the mixing barrel 1 by utilizing Bernoulli's principle, negative pressure is generated, the material is longitudinally conveyed upward and then centrifugally thrown out, the material returns into the conical hopper 3 by gravity, longitudinal three-dimensional circulating mixing is formed, the mixing uniformity is improved, the tobacco can be further blown away during mixing, and the mixing bulkiness is improved.

[0039] The pneumatic circulating mechanism comprises a gas pipe cover 9 rotatably installed outside the discharge port of the conical hopper 3 and used for closing the discharge port, an air guide channel 901 is arranged in the gas pipe cover 9 and communicates with the mixing barrel 1 and a turbine fan 10, the gas pipe cover 9 is turned downward to make the discharge port communicate with the outside during discharging, the gas pipe cover 9 is turned upward to close the discharge port during mixing, and the air outlet of the air guide channel 901 faces the circulating channel 701 of the through circulating pipe 7.

[0040] The gas pipe cover 9 is rotatably installed by the corresponding power motor 15 below the conical hopper 3, the opening of the gas pipe cover 9 can facilitate tobacco discharging, the closing of the discharge port of the gas pipe cover 9 can form a closed bottom of the mixing barrel 1, the air guide channel 901 is arranged in the gas pipe cover 9 and communicates with the turbine fan 10, and then air is delivered in the mixing barrel 1, the flowing air can ensure that the tobacco and other materials can be repeatedly circulated and longitudinally mixed under the pushing of air pressure, the completion of the action is ensured, and the practical effect of the utility model is improved.

[0041] A guide mechanism is arranged between the top of the through circulating pipe 7 and the cover 2 and communicates with the mixing barrel 1 and the circulating channel 701, the guide mechanism comprises a plurality of guide grooves 702 arranged in an annular array at the top of the through circulating pipe 7 and communicating with the circulating channel 701, the guide grooves 702 are arranged in a spiral arc shape from bottom to top, and the guide mechanism further comprises a material guide 11 arranged above the through circulating pipe 7 and coaxial with the through circulating pipe 7 and rotating synchronously.

[0042] But simply rely on airflow generated by tumbling cycle mixing is more chaotic and irregular, therefore, the utility model discloses the top between the circulation pipe 7 and the cover 2 of the heart is provided with the guide mechanism that communicates the mixing barrel 1 and the circulation channel 701, the top of the heart circulation pipe 7 is arranged with the guide groove 702 that communicates with the circulation channel 701 according to annular array, the guide groove 702 is arranged by spiral arc from below to above, and the bottom of the material guide 11 that rotates with the heart circulation pipe 7 is set as inverted taper inclined plane;Tobacco is thrown outward by regular vortex spiral centrifugation through the guide groove 702, the setting of the material guide 11 makes tobacco throw out dispersing and downwardly guide to form effective circulation, and the inverted taper setting of the material guide 11 minimizes the inhibitory effect of the material guide 11 to airflow, improve the practical effect of the utility model.

[0043] The top of the material guide 11 is connected with the output shaft of the driving motor 6 and is rotatably installed on the cover 2 through a corresponding bearing, and the bottom thereof extends downward below the cover 2 and is arranged in an inverted taper inclined plane manner.

[0044] The bottom of the adapter sleeve 12 is sleeved on the outer side of the upper portion of the heart circulation pipe 7 and is fixed by corresponding bolts, and the top of the adapter sleeve 12 is sleeved with the material guide 11 and is fixed by corresponding bolts, so that the material guide 11 drives the heart circulation pipe 7 and the adapter sleeve 12 to rotate synchronously when the material guide 11 rotates.

[0045] The outer side of the material guide 11 is sleeved with a corresponding spring 13 and a double-layer nylon sealing ring 14 between the top of the adapter sleeve 12 and the cover 2.

[0046] The top of the connection between the material guide 11 and the adapter sleeve and the cover 2 is sleeved with a corresponding spring 13 and a nylon sealing ring 14, so that the sealing property of the connection between the material guide 11 and the cover 2 is improved by cooperation of the spring 13 and the nylon sealing ring 14, thereby effectively preventing the dispersed tobacco from being blocked at the connection to avoid hindering the rotation of the motor driving the heart circulation pipe 7.

[0047] The outer side wall of the conical hopper 3 is spaced apart and fixedly connected with a set of mounting plates 301, and the air pipe cover 9 is rotatably mounted on the set of mounting plates 301 by a corresponding power motor 15, and the air guide channel 901 in the air pipe cover 9 is connected with the air outlet of the turbine fan 10 through a corresponding air pipe.

[0048] The tobacco mixing device comprises a support frame 16 for mounting the mixing cylinder 1, a mixing mechanism and a pneumatic circulating mechanism, a protective partition plate 17 wrapped outside the support frame 16, and a control system connected with the driving motor 6, the turbine fan 10 and the power motor 15, and the control system is connected with a display touch screen 18 arranged on the support frame 16.

[0049] The end of the exhaust pipe 5 in the mixing cylinder 1 is detachably provided with a corresponding filter screen through a corresponding fixing ring, and the filter screen is used to filter the tobacco, so that the amount of tobacco discharged with the gas is effectively reduced.

[0050] A corresponding material guide hopper 19 is arranged below the discharge port of the conical hopper 3, and a parking area 1901 for accommodating the air pipe cover 9 is integrally and outwardly arranged on one side of the material guide hopper 19, which is located on the side where the air pipe cover 9 is turned downward.

[0051] Embodiment two

[0052] The difference between the embodiment and embodiment one is that the mixing mechanism further comprises a material loosening assembly 8 for dispersing the tobacco, and the material loosening assembly 8 comprises at least one frame-shaped loosening piece fixedly mounted on the lower outer surface of the through-circulation pipe 7.

[0053] The utility model further integrally arranges the corresponding material loosening assembly 8 on the lower outer end surface of the through-circulation pipe 7, and the material loosening assembly 8 rotates with the through-circulation pipe 7, so that the tobacco can be dispersed in advance, the tobacco clumps can be effectively avoided, the tobacco can be smoothly introduced into the through-circulation pipe 7, the blockage can be avoided, the practicability can be ensured, the tobacco can be preliminarily mixed in the circumferential direction, and the mixing uniformity is further improved.

[0054] It should be pointed out that the embodiment and embodiment one have the same implementation principle and technical effects, and for the sake of brief description, the embodiment is not mentioned in the embodiment one, and the corresponding content in the embodiment one can be referred to.

[0055] The preferred embodiments of the utility model are described above, and it should be pointed out that for ordinary technical personnel in the technical field, some improvements and decorations can be made without departing from the principle of the utility model, and these improvements and decorations should also be regarded as the protection range of the utility model.

Claims

1. A mixing mechanism for a tobacco mixing device, characterized in that, include: The mixing cylinder (1) has a corresponding cover (2) and a conical hopper (3) fixedly installed on its upper and lower parts respectively. The cover (2) is provided with a corresponding feed pipe (4) and an exhaust pipe (5), and the bottom of the conical hopper (3) is provided with a corresponding discharge port. The mixing mechanism includes a through-hole circulation pipe (7) that is driven to rotate and installed on the lower side of the cover (2) by a corresponding drive motor (6). The upper and lower ends of the through-hole circulation pipe (7) are respectively spaced from the discharge port and the cover (2). The through-hole circulation pipe (7) is provided with a circulation channel (701) connecting its upper and lower ends. A pneumatic circulation mechanism is used to control the opening and closing of the discharge port of the conical bucket (3) and to supply air to the circulation channel (701) of the through circulation pipe (7) through the pneumatic circulation mechanism. It includes an air guide channel (901) with the air outlet facing the circulation channel (701) of the through circulation pipe (7). The air guide channel (901) connects the mixing cylinder (1) and the turbine fan (10). The material loosening component (8) is installed on the circulating pipe (7) and rotates with the circulating pipe (7) to loosen the tobacco.

2. The mixing mechanism for a tobacco mixing device according to claim 1, characterized in that, The material loosening assembly (8) includes at least one frame-shaped loosening element fixedly installed on the lower outer surface of the circulating pipe (7).

3. The mixing mechanism for a tobacco mixing device according to claim 1, characterized in that, The pneumatic circulation mechanism includes an air pipe cover (9) that is rotatably mounted on the outside of the discharge port of the conical bucket (3) and used to close the discharge port. The air guide channel (901) is located inside the air pipe cover (9). When discharging, the air pipe cover (9) flips downward to connect the discharge port with the outside. When mixing, the air pipe cover (9) flips upward to close the discharge port. The air outlet of the air guide channel (901) is directly opposite the circulation channel (701) of the through circulation pipe (7).

4. The mixing mechanism for a tobacco mixing device according to claim 1, characterized in that, A guide mechanism is provided between the top of the circulating pipe (7) and the cover (2) to connect the mixing cylinder (1) and the circulation channel (701). The guide mechanism includes a plurality of guide grooves (702) arranged in a ring array on the top of the circulating pipe (7) and connected to the circulation channel (701). The guide grooves (702) are arranged in a spiral arc shape from bottom to top. The guide mechanism also includes material guides (11) that are spaced apart above the circulating pipe (7), coaxial with it, and rotate synchronously.

5. The mixing mechanism for a tobacco mixing device according to claim 4, characterized in that, The top of the material guide (11) is connected to the output shaft of the drive motor (6) and is rotatably mounted on the cover (2) through a corresponding bearing. Its bottom extends downward to the bottom of the cover (2) and is set in the shape of an inverted cone. The circulating pipe (7) and the material guide (11) are connected by a connecting cylinder (12). The outer wall of the connecting cylinder (12) is provided with multiple discharge ports (1201) at a circumferential distance between the material guide (11) and the circulating pipe (7).

6. The mixing mechanism for a tobacco mixing device according to claim 5, characterized in that, The bottom of the connecting cylinder (12) is sleeved on the outer side of the upper part of the circulating pipe (7) and locked and fixed by corresponding bolts. The top of the connecting cylinder (12) is sleeved on the material guide (11) and locked and fixed by corresponding bolts. When the material guide (11) rotates, it drives the circulating pipe (7) and the connecting cylinder (12) to rotate synchronously.

7. The mixing mechanism for a tobacco mixing device according to claim 6, characterized in that, The outer side of the material guide (11) is fitted with a corresponding spring (13) and a double-layered nylon sealing ring (14) between the top of the connecting cylinder (12) and the cover (2); the top of the cover (2) is integrally formed and fixed outward to a mounting cylinder for installing the drive motor (6) and bearings. The mounting cylinder is coaxially provided with a through hole for installing the material guide (11), and its bottom is coaxially provided with a corresponding annular groove. The spring (13) and the upper nylon sealing ring (14) are installed in the annular groove.

8. The mixing mechanism for a tobacco mixing device according to claim 3, characterized in that, A set of mounting plates (301) are fixedly connected to the outer side wall of the conical bucket (3) at intervals. The air pipe cover (9) is driven to rotate on the set of mounting plates (301) by a corresponding power motor (15), and the air guide channel (901) inside it is connected to the air outlet of the turbine fan (10) through a corresponding air pipe.

9. The mixing mechanism for a tobacco mixing device according to claim 8, characterized in that, The tobacco mixing equipment includes a support frame (16) for mounting the mixing cylinder (1), the mixing mechanism and the pneumatic circulation mechanism, a protective partition (17) covering the outside of the support frame (16), and a control system connecting the drive motor (6), the turbine fan (10) and the power motor (15), and the control system is connected to a display touch screen (18) set on the support frame (16).

10. The mixing mechanism for a tobacco mixing device according to claim 1, characterized in that, The exhaust pipe (5) located inside the mixing cylinder (1) has a filter screen that can be detachably installed at its end via a corresponding fixing ring.

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