CN215611204U - Dosage control unit for dosage system - Google Patents

Abstract

The present invention relates to a dosage control unit for a dosage system. Dosing amount control unit of a dosing system comprising: the first feeding pipeline and the second feeding pipeline are arranged in parallel and are used for being arranged between a discharging nozzle of the batching system and a raw material container for storing raw materials; at least one of the first feeding pipeline and the second feeding pipeline is provided with a throttling structure, so that the flow area of the first feeding pipeline is larger than that of the second feeding pipeline; and the first feeding pipeline and the second feeding pipeline are respectively provided with a respective discharging valve which is respectively used for controlling the on-off of the first feeding pipeline and the second feeding pipeline. The batching amount control unit can more accurately control the feeding amount and meet the precision requirement of automatic batching.

Description

Dosage control unit for dosage system

Technical Field

The present invention relates to a dosage control unit for a dosage system.

Background

With the rapid development of tobacco industry in China, the formation of large brands and the further improvement of tobacco varieties, the number of smokers, the planting area of flue-cured tobacco, the cigarette output and the cigarette yield increasing speed in China are the first in the world, and meanwhile, the demand for high-quality tobacco essence and flavor is increasing day by day.

The tobacco essence can eliminate the difference between tobacco leaves of different grades, purposefully increase and enhance the fragrance, enrich the tobacco flavor, reduce the dry feeling, eliminate the rough feeling, improve the smoking flavor, endow the cigarette with characteristic fragrance and increase the attraction to consumers. The tobacco essence has various types, compounds are separated from the smoke through the research on the aroma characteristics and aroma components of the tobacco leaves and the smoke, and key components influencing the aroma are found out through the compounds to form a preparation formula of the tobacco essence.

The preparation process of the tobacco essence needs to use a plurality of raw materials, the quantity of the raw materials is more than ten, and the quantity of the raw materials is more than one hundred. At present, the current flavoring process generally depends on manual configuration, different essences are manually weighed by workers on a weighing platform, the labor intensity is high, the operation efficiency is low, and operation errors are easy to occur. If automatic batching is adopted, the discharge amount is controlled by a valve, and the problem that the feeding amount is difficult to accurately control exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a batching amount control unit of a batching system, which can more accurately control the batching amount and meet the precision requirement of automatic batching.

The batching amount control unit of the batching system adopts the following technical scheme:

dosing amount control unit of a dosing system comprising:

the first feeding pipeline and the second feeding pipeline are arranged in parallel and are used for being arranged between a discharging nozzle of the batching system and a raw material container for storing raw materials;

at least one of the first feeding pipeline and the second feeding pipeline is provided with a throttling structure, so that the flow area of the first feeding pipeline is larger than that of the second feeding pipeline;

and the first feeding pipeline and the second feeding pipeline are respectively provided with a respective discharging valve which is respectively used for controlling the on-off of the first feeding pipeline and the second feeding pipeline.

Has the advantages that: adopt above-mentioned technical scheme, the flow area that the throttle structure made first feed pipeline is greater than the flow area of second feed pipeline, thereby can form different flow size, can control the break-make of first feed pipeline and second feed pipeline through discharge valve, thereby can form different flow, can only rely on the less second feed pipeline blowing of flow area when batching is close to accomplishing, the flow is too big when avoiding the raw materials emission to reach the setting value and lead to the error bigger partially, it is more convenient to control, can guarantee the batching precision better, and, in the earlier stage of batching, batching through the great first feed pipeline of flow area, or simultaneously through first, the batching of second feed pipeline, can obtain higher batching efficiency.

As a preferred technical scheme: and a smaller pipe diameter section is arranged on the second feeding pipeline, and the smaller pipe diameter section forms the throttling structure.

Has the advantages that: the throttling structure formed by adopting the section with the smaller pipe diameter has the advantages of simple structure, low cost and good reliability.

As a preferred technical scheme: the first feeding pipeline and the second feeding pipeline form a three-way structure with a feeding connecting pipe, and the feeding connecting pipe is a connecting pipe used for being communicated with the raw material container.

Has the advantages that: by adopting the technical scheme, the pipeline is saved, the structure is simple, and the cost is low.

As a preferred technical scheme: and stop valves are arranged on the first feeding pipeline and the second feeding pipeline.

Has the advantages that: by adopting the technical scheme, the corresponding first feeding pipeline and/or second feeding pipeline can be closed when needed, and the maintenance is convenient.

As a preferred technical scheme: the discharging nozzles comprise a first discharging nozzle and a second discharging nozzle, and a first feeding pipeline and a second feeding pipeline are respectively connected with the first discharging nozzle and the second discharging nozzle.

Has the advantages that: by adopting the technical scheme, the influence of the flow area of the discharge nozzle on the discharging precision can be avoided.

As a preferred technical scheme: the discharge valve on the first feed pipeline is arranged on one side, close to the discharge nozzle, of the first feed pipeline, and the discharge valve on the second feed pipeline is arranged on one side, close to the discharge nozzle, of the second feed pipeline.

Has the advantages that: by adopting the technical scheme, the raw material residue between the discharge valve and the discharge nozzle can be reduced, and the batching precision can be better controlled.

As a preferred technical scheme: the batching control unit comprises at least two groups of feeding pipelines which are respectively used for corresponding to different types of raw materials; each group of the feeding pipelines comprises a first feeding pipeline and a second feeding pipeline.

Has the advantages that: by adopting the technical scheme, the space is saved, and the structure is compact.

As a preferred technical scheme: the discharging nozzles corresponding to the feeding pipelines of each group are arranged in a ring shape.

Has the advantages that: by adopting the technical scheme, each discharging nozzle can be aligned to the batching container conveniently.

As a preferred technical scheme: the material mixing amount control unit comprises a unit shell, and the throttling structure and the discharge valves of the first feeding pipeline and the second feeding pipeline are positioned outside the unit shell; and the connecting pipe between the throttling structure and the corresponding discharging valve and the connecting pipe between the discharging nozzle and the corresponding discharging valve are positioned in the unit shell.

Has the advantages that: by adopting the technical scheme, the whole structure is simple, and the maintenance is convenient.

As a preferred technical scheme: the discharge valve is a coupling valve.

Has the advantages that: by adopting the technical scheme, the discharge valves with a large number can be conveniently controlled.

Drawings

FIG. 1 is a perspective view of a tobacco flavor dispensing machine corresponding to embodiment 1 of a dosage amount control unit of a dispensing system in the utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a perspective view of the tobacco flavor dispenser of FIG. 1 with the housing and access door removed;

FIG. 4 is a front view of FIG. 3;

FIG. 5 is a left side view of FIG. 4;

FIG. 6 is a front view of the mounting structure of the source container;

FIG. 7 is an enlarged view of a portion of FIG. 3 at C;

FIG. 8 is an enlarged view of a portion of FIG. 4 at D;

FIG. 9 is a perspective view I of the mounting structure of the ingredient container;

FIG. 10 is a second perspective view of the mounting structure of the raw material container;

FIG. 11 is a schematic view of the construction of the source container;

FIG. 12 is a perspective view of the dosage control unit with the front side plate removed;

FIG. 13 is a schematic view of the structure of FIG. 12 from another perspective, including a side panel on the front side;

FIG. 14 is a schematic diagram of the structure at the coupling driver of FIG. 3;

the names of the components corresponding to the corresponding reference numerals in the drawings are: 10. a housing; 11. a frame; 12. closing the plate; 13. an access door; 14. a gas-collecting hood; 15. air draft equipment; 16. an operation port; 17. an internal partition; 18. a bottom closing plate; 19. transferring an avoidance port; 110. a long dodging port; 21. a container temporary storage module; 22. a feeding guide rail; 23. a container base; 24. a container positioning slot; 31. a cover body operation module; 32. a fixed seat; 33. the cover body drives the electric cylinder; 34. a cover rotating device; 35. a cover rotating motor; 36. a cover body clamp; 37. a cover body clamping jaw; 38. an ink jet printer; 39. a lifting seat; 41. a container transfer module; 42. a lifting guide seat; 43. a container body fixture; 44. a semi-annular jaw; 51. a raw material container; 52. an air inlet; 53. a transparent liquid level tube; 541. a first suspension loop; 542. a second suspension loop; 55. a discharge joint; 56. a card slot; 57. a small-sized portion; 58. a support portion; 61. a container hanger; 621. a first hanging plate; 622. a second hanging plate; 631. a first hanging hole; 632. a second hanging hole; 64. an intake branch pipe; 65. an intake manifold; 66. an open end; 67. a horizontal portion; 68. a tail end; 71. a dispensing container; 72. a container body; 73. a container cover; 81. a feeding connecting pipeline; 82. a dosage amount control unit; 83. a discharging nozzle; 84. a valve fixing plate; 85. a discharge valve; 86. a valve feed pipe; 87. a valve discharge pipe; 88. a valve connecting pipe; 89. a coupling driver; 810. a movable seat; 811. a driver guide seat; 90. weighing a batching module; 91. a dosing guide rail; 92. a dosing base; 93. a container tray; 94. a weighing platform; 95. a waste liquid funnel; 96. a waste liquid container.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that relational terms such as "first" and "second," and the like, which may be present in the embodiments of the present invention, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the statement that "comprises an … …" is intended to indicate that there are additional elements of the same process, method, article, or apparatus that comprise the element.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" when they are used are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from specific situations.

In the description of the present invention, unless otherwise specifically stated or limited, the term "provided" may be used in a broad sense, for example, the object of "provided" may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be detachable or non-detachable. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from specific situations.

The present invention will be described in further detail with reference to examples.

Embodiment 1 of the ingredient amount control unit of the ingredient system of the present invention:

this feed proportioning system's batching volume the control unit for the batching volume on the essence proportioning machine for cigarette.

As shown in figure 1, essence batching machine for cigarette includes shell 10, and shell 10 is fixed in frame 11 of inside, including setting up shrouding 12 around and setting up access door 13 in the left and right sides, forms relative confined space, can prevent that essence for cigarette from diffusing to the external environment in. In addition, the top of the frame 11 is provided with a gas collecting hood 14, and the gas collecting hood 14 can be connected with an air draft device 15 and used for sucking the odor emitted in the closed space and better avoiding the odor from diffusing. In this embodiment, the air draft device 15 is a silent fan connected to the top of the air collecting channel 14. The front part of the housing 10 is provided with a concave space forming an operation opening 16 as a feeding operation area. The bottom wall of the groove of the concave space and the sealing plate 12 corresponding to the lower side wall form a partition plate which is isolated between the closed space in the machine body and the feeding operation area. When the tobacco essence batching machine is used, the batching container 71 used for containing essence batching is placed in a feeding operation area and enters the interior of the machine from the operation opening 16, the tobacco essence with different components is added into the batching container 71 by the automatic batching system of the tobacco essence batching machine, and the batching container 71 returns to the operation opening 16 after batching is finished so as to be taken down by an operator. As shown in fig. 2, the ingredient container 71 used in this embodiment has a cylindrical structure and includes a container body 72 and a container cover 73, and the container cover 73 is screwed to the container body 72.

The operation opening 16 is provided with a container temporary storage module 21 (shown in fig. 1), a cover body operation module 31 (shown in fig. 2) and a container transfer module 41 (shown in fig. 3) for opening the cover of the ingredient container 71 at the operation opening 16 and then sending the opened cover to the inside of the housing 10, and for closing the cover of the ingredient container 71 after the ingredients in the interior are finished and sending the closed cover back.

In particular, as shown in fig. 3 and 5, the container buffer module 21 includes a loading guide 22 and a container base 23. The feeding guide rail 22 is arranged inside the closing plate 12, the container base 23 is suspended forward and fixed on a slide block arranged on the feeding guide rail 22 in a guiding way, a long avoiding opening 110 extending left and right is arranged on the closing plate 12 on the front side of the shell 10, and the container base 23 is provided for extending forward to the outside of the shell 10 under the condition that the shell 10 is relatively closed. As shown in fig. 2, five container positioning slots 24 are provided on the container temporary storage module 21, which can be used for positioning and placing five ingredient containers 71 at the same time. The container base 23 can move left and right under the driving of a feeding driving device arranged on the frame 11, so as to realize the conveying of each batching container 71, wherein the feeding driving device is an electric cylinder in the embodiment.

The cover body operation module 31 is used for picking up the ingredient container 71 on the container base 23 and cooperating with the container transfer module 41 to open and close the ingredient container 71. Specifically, as shown in fig. 2, the cover operating module 31 includes a fixing base 32, the fixing base 32 is fixed on the frame 11, a cover driving electric cylinder 33 is fixed on the fixing base 32, a lowermost end of an output shaft of the cover driving electric cylinder 33 is connected to an L-shaped lifting base 39, a horizontal side wall of the L-shaped lifting base 39 is fixedly connected to the output shaft of the cover driving electric cylinder 33, and a vertical side wall of the L-shaped lifting base is vertically guided and matched to a cylinder side wall of the cover driving electric cylinder 33. The vertical side wall of the lifting base 39 is provided with a cover rotating device 34 in an up-and-down direction, and the cover rotating device 34 can move in the up-and-down direction to match the up-and-down position change of the container cover 73 during rotation. The cover rotating device 34 comprises a clamping jaw rotating device, the clamping jaw rotating device is a cover rotating motor 35, a cover body clamp 36 is arranged on an output shaft of the cover rotating device, the cover body clamp 36 comprises two cover body clamping jaws 37 arranged in a front-back guiding mode, the cover body clamping jaws 37 are semicircular, and the cover 73 of the batching container 71 can be clamped and fixed. After the cover body clamp 36 clamps and fixes the cover 73, the jaw turning device rotates to open and close the cover 73. The cover body clamping jaw 37 can adopt the forms of pneumatic clamping, electric clamping, electromagnetic clamping and the like, can be purchased from the market, and the specific structure is not described here. The lifting driving device drives the cover rotating device 34 to move up and down, so that the cover body operation module 31 and the container temporary storage module 21 are prevented from interfering under the condition that the cover rotating device 34 clamps the batching container 71. Of course, the cover rotating device 34 can also adopt a rotating and lifting matching mode to match the thread pitch of the cover 73; specifically, for example, the movement in the up-down direction may be achieved by a lead screw nut transmission structure to match up-down positional change when the container lid 7 is rotated.

In order to identify different ingredient containers 71, an ink jet printer 38 is further disposed below the cover body operation module 31, and can spray marks on the ingredient containers 71, the ink jet printer 38 is a purchased part, the structure of the ink jet printer is the prior art, and details are not repeated in the present invention. The two-dimensional code is sprayed to the ingredient container 71 through the code spraying machine 38, and a user can scan the two-dimensional code to know the composition of the spice in the ingredient container 71.

As shown in fig. 4, 5 and 7, the container transfer module 41 is disposed below the cover handling module 31 for lowering the ingredient container 71 onto the weighing and ingredient module 90 or retrieving the ingredient container 71 after the ingredients from the interior of the machine. The container transfer module 41 comprises a lifting guide seat 42, the lifting guide seat 42 is provided with a container body clamp 43 along the up-down direction in a guiding way, and the container body clamp 43 moves up and down under the driving of the transfer driving device. In this embodiment, the transfer driving device employs an electric cylinder. The container body holder 43 comprises two semi-annular holding jaws 44 which are guided in a front-rear direction and are able to hold a container body 72 of a fixed ingredient container 71. After the container body 72 is clamped and fixed by the container body clamp 43, the clamping jaw rotating device on the cover body operation module 31 rotates to open and close the container cover 73. Likewise, the semi-annular clamping jaw 44 may take the form of a pneumatic clamp, an electric clamp, an electromagnetic clamp, etc., which are commercially available and the specific structure will not be described herein.

In order to better avoid the smell of the tobacco essence from spreading, a transfer avoiding opening 19 is arranged on the bottom sealing plate 18 of the operation opening 16, and a container body clamp 43 of the container transfer module 41 moves up and down to enter the inside of the shell 10.

The automatic batching system further comprises a raw material storage module, a material conveying module and a weighing batching module 90.

As shown in fig. 3, 4, 5, 6 and 13, the ingredient storage module includes an ingredient container 51 and a container hanger 61, and the ingredient container 51 is mounted in a hanging manner. The material container 51 is a can body welded member, i.e., a welded can body. In the embodiment, the raw material container 51 is a stainless steel tank with a square cross section, a discharge joint 55 is arranged at the top of the tank body, a discharge pipe is fixed on the discharge joint 55, and the discharge pipe extends downwards to the bottom of the tank body; the top of the tank is also provided with an air inlet 52 for introducing high-pressure gas to provide pressure for discharging the feed liquid. In order to observe the residual amount of the materials conveniently, a transparent liquid level pipe 53 is arranged on the side wall of each raw material container 51, and the upper end and the lower end of each transparent liquid level pipe 53 are communicated with the inner cavity of the tank body.

As shown in fig. 5, 9, 10, and 11, the container body of each raw material container 51 includes two containers, and the two containers are welded and fixed side by side in a row to form a set. A first engaging lug 541 and a second engaging lug 542 are fixed to the left and right sides of each raw material container 51, respectively, for fixing to the container hanger 61. The container hanger 61 on the left and right sides comprises two hanging plates which are arranged at left and right intervals, and the hanging plates are respectively a first hanging plate 621 and a second hanging plate 622, the two hanging plates are respectively fixed on an angle steel and a square steel pipe, a first hanging hole 631 is arranged on the first hanging plate 621, and a second hanging hole 632 is arranged on the second hanging plate 622. As shown in fig. 9, the distance between the first hanging plate 621 and the second hanging plate 622 is greater than the dimension of the container body in the left-right direction + the height of the first hanging lug 541 protruding from the container body in the left-right direction.

The front side and the rear side of the first hanging lug 541 are planes, the lower side is provided with a clamping groove 56, the clamping groove 56 is used for being downwards clamped to the lower side edge of the first hanging hole 631, a step stop structure is formed with the first hanging plate 621, and left and right positioning is formed by a vertical step surface formed by the side wall of the clamping groove 56 and the first hanging plate 621. The second hanging lug 542 is of a T-shaped structure and is provided with a small-size part 57 and a supporting part 58, the small-size part 57 is positioned on one side of the supporting part 58 close to the container body, and the front and back sizes of the small-size part 57 are smaller than the front and back sizes of the supporting part 58; correspondingly, a vertical channel is connected below the second hanging hole 632, so that the small-sized portion 57 of the second hanging lug 542 can enter the second hanging hole 632 from bottom to top when the container body and the first hanging lug 541 are located between the first hanging plate 621 and the second hanging plate 622. When the raw material container 51 is installed, a mounting mode from bottom to top is adopted, the right side surface of the container body of the raw material container 51 is made to be close to the second hanging plate 622, the container body and the first hanging lugs 541 are positioned between the first hanging plate 621 and the second hanging plate 622, the small-size parts 57 of the second hanging lugs 542 are aligned to the lower end opening of the vertical channel, then the raw material container 51 moves upwards until the first hanging lugs 541 completely move into the first hanging holes 631 and the second hanging lugs 542 completely move into the second hanging holes 632, at the moment, the raw material container 51 is moved leftwards, the clamping grooves 541 56 on the lower sides of the first hanging lugs are aligned to the lower side edges of the first hanging holes 631, at the moment, the supporting parts 58 of the second hanging lugs 542 correspond to the lower side edges of the second hanging holes 632, then the raw material container 51 moves downwards, the first hanging lugs 541 and the second hanging lugs 542 are respectively supported on the first hanging holes 631 and the second hanging holes 632, and left-right positioning is realized by the clamping grooves 56, the material container 51 is kept in a hooked state. In order to maintain the left-right balance, the second hanging lug 542 is arranged higher than the first hanging lug 541, and after the clamping groove 56 on the first hanging lug 541 is clamped on the first hanging plate 621, the supporting part 58 of the second hanging lug 542 is just supported on the second hanging plate 622. In addition, in order to achieve the front-rear positioning of the material container 51, the front-rear dimension of the first hanging ring 541 is adapted to the front-rear dimension of the first hanging hole 631, and the front-rear dimension of the supporting portion 58 of the second hanging ring 542 is adapted to the front-rear dimension of the second hanging hole 632.

The raw material container 51 can be conveniently disassembled and assembled by adopting the hanging lugs and the hanging holes.

In this embodiment, the container hangers 61 are arranged in two rows, and the two rows of container hangers 61 are arranged in bilateral symmetry. After each group of the vessels is hung on the vessel hanger 61, two raw material vessels 51 adjacent to each other in the longitudinal direction of the hanging plate on the same hanging plate are in contact with each other, and can be positioned with each other.

The air inlets 52 of the two groups of raw material containers 51 corresponding to the left and right are connected to an air inlet main pipe 65 through air inlet branch pipes 64, and the air inlet main pipe 65 is a square metal pipe, is fixed on the rack 11 and is used as a support beam of the rack 11; the air inlet manifold 65 is connected with an air supply pipe, and is connected with an external air source. To facilitate connection, a hose is used for the intake manifold 64.

Referring to fig. 3, 4 and 14, the feeding module comprises a feeding connecting pipeline 81 and a plurality of dosage control units 82, and each dosage control unit 82 comprises a unit housing, four groups of feeding pipelines, a discharging valve 85 and a discharging nozzle 83. Each group of the feeding pipelines comprises a first feeding pipeline and a second feeding pipeline. The supply connection 81 has one end detachably connected to the discharge connector 55 at the top of the raw material container 51 and the other end for connection to the amount control unit 82. The feeding connecting pipeline 81 is divided into an upper section and a lower section, one section is positioned above the angle steel in the container hanger 61, the other section is positioned below the angle steel in the container hanger 61, the upper section and the lower section are connected through a connector fixed on a transverse folding edge of the angle steel, the structure is neat, and the connection is convenient. In order to facilitate the filling of the raw material, the discharge connector 55 at the top of each raw material container 51 is screwed to the body of the raw material container 51, and after the supply connecting line 81 is removed, the discharge connector 55 can be screwed down to fill the raw material.

The ingredient amount control units 82 are fixed on the frame 11 and arranged in a straight line, as shown in fig. 12 and 13, the unit housing of each ingredient amount control unit 82 includes valve fixing plates 84 arranged at left and right intervals, four discharge valves 85 are fixed on the valve fixing plate 84 on each side, and the four discharge valves 85 are arranged in the up-down direction. The front side and the rear side of the valve fixing plate 84 are provided with side plates which surround a closed space, a valve feeding pipe 86 and a valve discharging pipe 87 are arranged inside the valve fixing plate, each valve feeding pipe 86 is connected with a feeding connector, the same raw material container 51 is correspondingly provided with two feeding connectors, and the two feeding connectors are connected with valve connecting pipes 88 with different diameters to form the first feeding pipeline and the second feeding pipeline which are arranged in parallel. One of the valve connecting pipes 88 forms a smaller diameter section on the corresponding feed line, constituting a throttling structure. The two valve connecting pipes 88 are connected to the same raw material container 51 by the supply connecting pipe 81 through a tee and a tee structure. The two valve connecting pipes 88 have different diameters and can form two different flows, and the two corresponding discharge valves 85 are respectively a large-flow control valve and a small-flow control valve. Valve outlet pipe 87 extends to the bottom of dosage control unit 82 for connection to outlet nozzle 83. Each ingredient amount control unit 82 includes 8 discharge nozzles 83, and four kinds of tobacco flavors can be added to the ingredient container 71, and each kind of tobacco flavor can be added to the ingredient container 71 at different speeds through the respective discharge nozzles 83. 8 ejection of compact mouths 83 are the syringe needle form, are circular and arrange, form a ejection of compact point location. The large-flow control valve and the small-flow control valve have the same structure and size, and the flow is realized by the difference of the pipe diameters of the two valve connecting pipes 88. For the convenience of maintenance, each valve connecting pipe 88 is connected with a stop valve, which is a manual stop valve.

The material conveying modules in the utility model adopt a centralized and multi-row distribution mode, thereby greatly saving the installation space, greatly improving the uniformity, facilitating the maintenance of each dosage control unit 82 in the later period, simultaneously facilitating the widening of the quantity of the raw material containers 51 and the material conveying modules and meeting the raw material requirements of various formulas.

The discharge valve 85 is a coupling valve adapted to the coupling actuator 89 and is opened by the coupling actuator 89. The coupling valves are arranged in a row, and the coupling actuators 89 are guided in a forward and backward direction, i.e., an arrangement direction of the coupling valves, on the actuator guide seats 811 to move to the coupling valves to be opened by the driving means to open the corresponding coupling valves. Specifically, the coupling drivers 89 are suction cup type electromagnets, which are arranged on the movable seat 810 that extends and retracts left and right, and four of the suction cup type electromagnets are arranged up and down and are used for corresponding four coupling valves one-to-one; after the movable seat 810 extends out, a valve core in the coupling valve can act under the action of the sucker type electromagnet to open the coupling valve. The form of the coupling valve and coupling actuator 89 described above is prior art and will not be described in detail herein.

As shown in fig. 7 and 8, the weighing and batching module 90 includes a batching guide rail 91, the batching guide rail 91 is provided with a batching base 92 in a guiding manner, the batching base 92 is provided with a container tray 93, the container tray 93 is provided with a container positioning groove 24, and a container placing position for placing the batching container 71 is formed. The weighing and batching module 90 further comprises a batching base driving device for driving the batching base 92 to move. In this embodiment, batching base drive arrangement is the electric jar. The batching base 92 is provided with a weighing platform 94 to form a weighing device, and the container tray 93 is arranged on the weighing platform 94 and is used for weighing the weight of the tobacco essence discharged into the batching container 71 from the material outlet 83. Still be equipped with waste liquid funnel 95 and waste liquid container 96 on the batching base 92, waste liquid funnel 95 arranges along the direction of batching base 92 with the container tray 93 on the batching base 92, can move under the drive of batching base drive arrangement to corresponding ejection of compact position. The bottom of the waste funnel 95 is connected to an elbow forming an outlet for discharging waste to the waste container 96. In this embodiment, the waste liquid container 96 is a waste liquid tank. Every ejection of compact mouth 83 is before adding the batching to batching container 71, opens discharge valve 85, utilizes raw materials liquid to wash pipeline and ejection of compact mouth 83, then carries out the batching again, and in the waste liquid funnel 95 was discharged to abluent waste material at every turn, in collecting waste liquid container 96 again.

The weighing precision of the weighing platform is very high, and vibration or airflow in the environment can affect the reading of the weighing platform, so that the addition of essence is affected; moreover, the essence raw materials are generally some alcohols, polycyclic aromatic hydrocarbons or esters, which easily cause the essence to be emitted into the working environment to cause air pollution, and if people exist in the working area, the polluted air is inhaled for a long time, which also causes influence on the human body, such as stimulation to respiratory tract. As shown in fig. 5, an internal partition 17 is disposed above the weighing module 90, and the internal partition 17 is mounted on the frame 11, so that only the discharge nozzle 83 extends out, thereby more effectively preventing the odor from diffusing into the surrounding space. Moreover, disturbance of the weighing platform 94 by other components can be avoided, and the accuracy of the weighing platform 94 is ensured.

The automatic batching system also comprises a control device which adopts a programmable numerical control system PLC with stable performance. The control system can realize automatic control over the container temporary storage module 21, the cover body operation module 31, the ink-jet printer 38, the container transfer module 41, the raw material storage module, the material conveying module, the weighing and batching module 90 and the like, so that the batching base 92 drives the batching container 71 to move to the lower part of the corresponding discharging nozzle 83, and the discharging valve 85 is controlled to be opened to add materials with set quality into the batching container 71.

The use process of the tobacco essence dosing machine comprises the following steps:

s1: starting the container temporary storage module 21, wherein the container temporary storage module 21 drives the container base 23 to be close to the cover body operation module 31, so that the batching container 71 to be clamped is positioned right below the cover rotating device 34;

s2: starting the cover body operation module 31, the cover body operation module 31 driving the cover rotating device 34 to approach the batching container 71, the cover rotating device 34 clamping the container cover 73, the cover body operation module 31 driving the batching container 71 to leave the container base 23;

s3: starting the container transfer module 41, enabling the container transfer module 41 to drive the container body clamp 43 to be close to the batching container 71, enabling the container body clamp 43 to clamp the container body 72, enabling the cover body operation module 31 to drive the cover body 73 to rotate, and enabling the container body 72 to be separated from the cover body 73; the container transfer module 41 drives the container body clamp 43 to descend, the container body 72 moves along with the container body clamp 43, when the container body 72 approaches the weighing and proportioning module 90, the container body clamp 43 releases the container body 72, and the container body 72 falls into the container tray 93 on the weighing and proportioning module 90;

s4: starting the material weighing module 90, driving the container body 72 to move to a required discharge point position by the material weighing module 90, stopping the container body, aligning the waste liquid funnel 95 with the discharge point position, opening the large-flow control valve and the small-flow control valve in sequence, cleaning the large-flow control valve and the small-flow control valve by using raw materials, and enabling the cleaned waste material to flow into the waste liquid funnel 95; then the weighing and proportioning module 90 drives the container body 72 to move, so that the container body 72 is aligned to the discharge nozzle 83, the large flow control valve and the small flow control valve are opened in sequence as required, and the raw materials enter the proportioning container 71 with accurate weight;

s5: repeating S4 to formulate a plurality of desired ingredients into the container body 72;

s6: after the preparation is completed, the weighing and proportioning module 90 is started, and the weighing and proportioning module 90 drives the container body 72 to move to the position right below the container body clamp 43;

s7: starting the container transfer module 41, enabling the container transfer module 41 to drive the container body clamp 43 to be close to the container body 72, enabling the container body clamp 43 to clamp the container body 72, enabling the container transfer module 41 to drive the container body clamp 43 to ascend, enabling the container body 72 to move along with the container body clamp 43, enabling the cover rotating device 34 to clamp the position of the container cover 73 when the container body 72 is close to the container cover 73, enabling the cover operating module 31 to drive the container cover 73 to rotate, and enabling the container body 72 to be connected with the container cover 73; the container body gripper 43 releases the container body 72;

s8: the lid operating module 31 places the ingredient container 71 into the container base 23.

Example 2 of the dose control unit of the dosing system of the present invention:

the difference between the present embodiment and embodiment 1 is that in embodiment 1, a smaller pipe diameter section is disposed on the second supply pipeline, and the smaller pipe diameter section forms the throttling structure; in this embodiment, a throttle valve is disposed on the second feeding pipeline, and the throttle valve forms a throttle structure.

Embodiment 3 of the dosage amount control unit of the dosage system of the present invention:

the difference between the embodiment and the embodiment 1 is that in the embodiment 1, only the second feeding pipeline is provided with a throttling structure; in this embodiment, the first supply pipeline and the second supply pipeline are both provided with the throttling structures, but the flow area of the first supply pipeline is still larger than that of the second supply pipeline.

Example 4 of the dose control unit of the dosing system of the present invention:

the difference between the present embodiment and embodiment 1 is that in embodiment 1, each ingredient quantity control unit 82 is provided with a plurality of groups of feeding pipelines; in this embodiment, each of the dosage control units 82 is provided with a set of supply lines.

Example 5 of the dose control unit of the dosing system of the present invention:

the difference between the present embodiment and embodiment 1 is that in embodiment 1, a first supply pipeline and a second supply pipeline corresponding to the same raw material are respectively connected to a first discharging nozzle and a second discharging nozzle; in this embodiment, the first and second feeding pipes corresponding to the same raw material are connected to the same discharging nozzle 83.

It should be noted that the ingredient amount control unit of the ingredient system is used for ingredient of the essence for tobacco, and in other embodiments, the ingredient amount control unit can also be used in other ingredient occasions than essence for tobacco.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, the scope of the present invention is defined by the appended claims, and all structural changes that can be made by using the contents of the description and the drawings of the present invention are intended to be embraced therein.

Claims (10)

1. Dosing amount control unit of dosing system, characterized in that includes:

the device comprises a first feeding pipeline and a second feeding pipeline which are arranged in parallel and are used for being arranged between a discharging nozzle (83) of a batching system and a raw material container (51) for storing raw materials;

at least one of the first feeding pipeline and the second feeding pipeline is provided with a throttling structure, so that the flow area of the first feeding pipeline is larger than that of the second feeding pipeline;

and the first feeding pipeline and the second feeding pipeline are respectively provided with a respective discharging valve (85) which is respectively used for controlling the on-off of the first feeding pipeline and the second feeding pipeline.

2. The dosing amount control unit of claim 1, wherein a smaller pipe diameter section is provided on the second supply conduit, the smaller pipe diameter section forming the throttling arrangement.

3. The dose control unit according to claim 1 or 2, wherein the first and second supply lines form a three-way structure with a supply connection pipe, which is a connection pipe for communicating with the raw material container (51).

4. The dosing amount control unit according to claim 1 or 2, wherein a shut-off valve is provided on both the first and second feed lines.

5. The dosage control unit of claim 1 or 2, wherein the tap (83) comprises a first tap and a second tap, the first and second feed lines being connected to the first and second taps, respectively.

6. Dosage control unit according to claim 1 or 2, wherein the discharge valve (85) of the first feed line is arranged on the side of the first feed line adjacent to the discharge nozzle (83), and the discharge valve (85) of the second feed line is arranged on the side of the second feed line adjacent to the discharge nozzle (83).

7. The dosage control unit of claim 1 or 2, wherein the dosage control unit comprises at least two sets of feed lines, each for corresponding to a different type of material; each group of the feeding pipelines comprises a first feeding pipeline and a second feeding pipeline.

8. The dosing quantity control unit according to claim 7, characterized in that the discharge nozzles (83) of the sets of feed lines are arranged in a ring.

9. The dosage control unit of claim 7, wherein the dosage control unit comprises a unit housing, and the throttling structure and the discharge valves of the first and second feed lines are located outside the unit housing; and the connecting pipe between the throttling structure and the corresponding discharging valve and the connecting pipe between the discharging nozzle (83) and the corresponding discharging valve are positioned in the unit shell.

10. Dosage control unit according to claim 1 or 2, wherein the outlet valve (85) is a coupling valve.

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