CN214309561U - Tobacco stem sampling device and tobacco equipment with same - Google Patents
Tobacco stem sampling device and tobacco equipment with same Download PDFInfo
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- CN214309561U CN214309561U CN202120349393.2U CN202120349393U CN214309561U CN 214309561 U CN214309561 U CN 214309561U CN 202120349393 U CN202120349393 U CN 202120349393U CN 214309561 U CN214309561 U CN 214309561U
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Abstract
The utility model discloses a offal sampling device and have this offal sampling device's tobacco equipment, this offal sampling device include offal conveyer pipe, play stalk pipe and screening ware, and the three passes through the switching-over valve to be connected, and the screening ware links to each other with the sampling box, and the switching-over valve includes: the rotating shaft is arranged at the intersection of the stem outlet pipe and the pipe wall of the sieving device; the commutator segment is fixedly connected with the rotating shaft; the driving mechanism is used for driving the rotating shaft to rotate, when the driving mechanism drives the rotating shaft to rotate, the reversing sheet is switched between a first position and a second position, and when the reversing sheet is positioned at the first position, the tobacco stem conveying pipe is communicated with the tobacco stem outlet pipe; when the reversing piece is positioned at the second position, the tobacco stalk conveying pipe is communicated with the sieving device. Because the rotating shaft of the reversing valve is positioned at the intersection of the stem outlet pipe and the pipe wall of the sieving device, the respective channels of the stem outlet pipe and the sieving device are avoided, the tobacco stem flow cannot flow through the rotating shaft and contact with the rotating shaft, the tobacco stems can be prevented from being intercepted at the rotating shaft, and the problem of tobacco stem blockage is solved. The tobacco equipment comprises the tobacco stem sampling device.
Description
Technical Field
The utility model relates to a tobacco machinery technical field, more specifically say, relate to a offal sampling device. Furthermore, the utility model discloses still relate to a tobacco equipment including above-mentioned offal sampling device.
Background
In tobacco machinery, a tobacco stem sampling device is generally used for sampling tobacco stems conveyed by a conveying pipeline on line so as to perform sampling inspection on the tobacco stems.
In the tobacco stem sampling device in the prior art, the reversing valve is easy to block due to the structural characteristics of the reversing valve, and the tobacco stem cannot be normally used in production because the tobacco stem is blocked too frequently in the actual use process.
Therefore, how to reduce the phenomenon of tobacco stem blockage is a problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a tobacco stem sampling device to reduce the blockage of tobacco stems.
Another object of the utility model is to provide a tobacco equipment including above-mentioned offal sampling device, its offal sampling device is difficult to block up, and work efficiency is high.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a offal sampling device, includes offal conveyer pipe, play stalk pipe and sieve separator, the three passes through the switching-over valve and connects, the sieve separator links to each other with the sample box, the switching-over valve includes:
the rotating shaft is arranged at the intersection of the stem outlet pipe and the pipe wall of the sieving device;
the commutator segment is fixedly connected with the rotating shaft;
the driving mechanism is used for driving the rotating shaft to rotate, when the driving mechanism drives the rotating shaft to rotate, the reversing sheet is switched between a first position and a second position, and when the reversing sheet is positioned at the first position, the tobacco stem conveying pipe is communicated with the tobacco stem outlet pipe; and when the reversing piece is positioned at the second position, the tobacco stalk conveying pipe is communicated with the sieving device.
Preferably, the commutator segment is provided with a sleeving part which is fixedly sleeved with the rotating shaft.
Preferably, the output shaft of the driving mechanism is connected with the rotating shaft through a coupler.
Preferably, the drive mechanism comprises a pneumatic cylinder.
Preferably, the sifter is connected to the sampling box by a bend.
Preferably, a negative pressure air branch is also connected to the bend for drawing off the flow of sampled air from the sifter into the bend.
Preferably, the negative pressure air fork pipe is connected with a dust removal pipe.
Preferably, the dust removal pipe is provided with an on-off valve.
Preferably, the tobacco stem conveying pipe is connected with a negative pressure generator and further comprises an air supply pipe used for conveying positive pressure air for the negative pressure generator.
A tobacco device comprises a tobacco stem sampling device, wherein the tobacco stem sampling device is any one of the tobacco stem sampling devices.
The tobacco stem sampling device provided by the utility model has the advantages that the tobacco stem conveying pipe can be communicated with the stem outlet pipe and the screening device in a switchable manner through the reversing function of the reversing valve, and when the tobacco stem conveying pipe is communicated with the stem outlet pipe, the tobacco stem sampling device belongs to the normal conveying flow of tobacco stem flow; when the tobacco stalk conveying pipe is communicated with the sieving device, the tobacco stalks are sampled on line.
Because the rotating shaft of the reversing valve is positioned at the intersection of the stem outlet pipe and the pipe wall of the sieving device, namely, the rotating shaft avoids respective channels of the stem outlet pipe and the sieving device, the tobacco stem flow can not flow through the rotating shaft and contact with the rotating shaft no matter the tobacco stem flow flows into the stem outlet pipe from the tobacco stem conveying pipe or the tobacco stem flow flows into the sieving device from the tobacco stem conveying pipe, therefore, the tobacco stem flow can be prevented from being intercepted at the rotating shaft, the tobacco stem blockage can be caused at the reversing valve during long-time use, the problem of tobacco stem blockage is solved, the flowing smoothness of the tobacco stem flow is improved, and the production efficiency is improved.
The utility model provides a tobacco equipment, including above-mentioned offal sampling device, have above-mentioned beneficial effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a tobacco stem sampling device according to an embodiment of the present invention;
fig. 2 is a partial top view (partially in section) of fig. 1.
The reference numerals in fig. 1 and 2 are as follows:
1 is a tobacco stalk conveying pipe, 2 is a stalk outlet pipe, 3 is a sieving device, 4 is a reversing valve, 41 is a rotating shaft, 42 is a reversing piece, 421 is a first position, 422 is a second position, 43 is a cylinder, 44 is a coupler, 5 is a sampling box, 6 is a bend, 7 is a negative pressure air fork pipe, 8 is a dust removal pipe, 81 is a butterfly valve, 9 is a negative pressure generator, and 91 is an air supply pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The core of the utility model is to provide a tobacco stem sampling device to reduce the phenomenon that the tobacco stem blocks up. The other core of the utility model is to provide a tobacco equipment including above-mentioned offal sampling device, its offal sampling device is difficult to block up, and work efficiency is high.
Referring to fig. 1-2, fig. 1 is a schematic structural view of a tobacco stem sampling device according to an embodiment of the present invention; fig. 2 is a partial top view (partially in section) of fig. 1.
Wherein the direction indicated by the arrow in fig. 1 is the direction of the air flow.
The utility model provides a tobacco stalk sampling device, mainly include tobacco stalk conveyer pipe 1, play stalk pipe 2, screening ware 3, switching-over valve 4 and sample box 5 etc..
Specifically, the tobacco stem conveying pipe 1, the tobacco stem outlet pipe 2 and the sieving device 3 are connected through a reversing valve 4, and the sieving device 3 is connected with the sampling box 5, so that the tobacco stems in the tobacco stem flow entering the sieving device 3 finally enter the sampling box 5 to be used as samples for inspection.
It should be noted that, the main structures and functions of the tobacco stalk conveying pipe 1, the stalk outlet pipe 2, the sifter 3 and the sampling box 5 in the present invention refer to the prior art, and are not described herein again.
The utility model discloses a focus lies in: the improvement of the internal structure of the reversing valve 4.
The direction valve 4 includes a rotary shaft 41, a direction changing piece 42, and a drive mechanism.
The rotating shaft 41 is arranged at the intersection of the stem outlet pipe 2 and the pipe wall of the sifter 3, the commutator bar 42 is fixedly connected with the rotating shaft 41, and the driving mechanism is used for driving the rotating shaft 41 to rotate, so that the rotating shaft 41 drives the commutator bar 42 to swing, and the commutator bar 42 is switched between a first position 421 and a second position 422.
When the reversing sheet 42 is located at the first position 421, the tobacco stalk conveying pipe 1 is communicated with the stalk outlet pipe 2, so that the tobacco stalks in the tobacco stalk conveying pipe 1 flow into the stalk outlet pipe 2; when the diverter 42 is in the second position 422, the tobacco stem conveying pipe 1 is in communication with the sifter 3 so that the flow of tobacco stems within the tobacco stem conveying pipe 1 enters the sifter 3.
That is to say, the utility model discloses a switching-over effect through switching-over valve 4 makes tobacco stalk conveyer pipe 1 switchably communicate with stalk outlet pipe 2 and sieve separator 3, when tobacco stalk conveyer pipe 1 communicates with stalk outlet pipe 2, belongs to the normal conveying flow that the tobacco stalk flowed; when the tobacco stalk conveying pipe 1 is communicated with the sieving device 3, the tobacco stalks are sampled on line.
Because the rotating shaft 41 of the reversing valve 4 is positioned at the intersection of the pipe walls of the stem outlet pipe 2 and the sieving device 3, namely, the rotating shaft 41 avoids respective channels of the stem outlet pipe 2 and the sieving device 3, no matter the tobacco stem flow flows into the stem outlet pipe 2 from the tobacco stem conveying pipe 1 or flows into the sieving device 3 from the tobacco stem conveying pipe 1, the tobacco stem flow cannot flow through the rotating shaft 41 and contact with the rotating shaft 41, therefore, the tobacco stem can be prevented from being intercepted at the rotating shaft 41, the tobacco stem blockage at the reversing valve 4 is caused during long-time use, the problem of tobacco stem blockage is solved, the smoothness of the tobacco stem flow is improved, and the production efficiency is improved.
In the present embodiment, the fixing manner of the segment 42 and the rotating shaft 41 is not particularly limited, and it is sufficient that the segment 42 and the rotating shaft 41 can be fixedly connected, and the segment 42 can swing along with the rotation of the rotating shaft 41.
Preferably, on the basis of the above embodiment, the commutator segments 42 are provided with a sleeving part for fixedly sleeving with the rotating shaft 41.
That is, in the assembling process, the fitting portion of the segment 42 is fitted into the rotating shaft 41, and the fitting portion and the rotating shaft 41 are fixed.
The sleeving part can be fixed with the rotating shaft 41 through various connection modes such as interference fit, fastener connection, welding or bonding.
In addition, the present embodiment does not limit the specific connection form between the driving mechanism and the rotating shaft 41, as long as the driving mechanism can drive the rotating shaft 41 to rotate.
Preferably, in addition to the above embodiments, the output shaft of the driving mechanism is connected to the rotating shaft 41 through a coupling 44.
Further, the present invention is not limited to the specific structure of the driving mechanism and the implementation manner thereof, and preferably, on the basis of the above embodiment, the driving mechanism includes the cylinder 43.
In addition, in view of the convenience of connecting the sifter 3 to the sampling box 5, on the basis of the above-described embodiment, the sifter 3 is connected to the sampling box 5 through the bent path 6 so as to arrange the relative positions of the sifter 3 and the sampling box 5.
It will be understood by those skilled in the art that the flow of tobacco stems conveyed by the tobacco stem conveying pipe 1 comprises both the cut tobacco stems and the air flow, so that, in order to allow only the cut tobacco stems to enter the sampling box 5, while recovering the sampling air flow, on the basis of the above described embodiment, the curved conduit 6 is also connected with a negative pressure air branch pipe 7 for extracting the sampling air flow entering the curved conduit 6 from the sifter 3.
That is, in this embodiment, the sifter 3 separates the tobacco stem threads from the air flow in the tobacco stem flow conveyed by the tobacco stem conveying pipe 1, and the tobacco stem threads enter the curved path 6 and then enter the sampling box 5 through the curved path 6; the sample air flow enters the bend 6 and is drawn away through the negative pressure air manifold 7.
In order to ensure the cleanliness of the sampling air flow recovered from the negative pressure air branch pipe 7, a dust removal pipe 8 is connected to the negative pressure air branch pipe 7 on the basis of the above-described embodiment.
That is, in the present embodiment, the dust removal pipe 8 removes dust from the sampling air flow discharged from the negative pressure air branch pipe 7 to filter out dust in the sampling air flow, thereby ensuring cleanliness of the sampling air flow.
Further, in view of the convenience of the on-line sampling control, the dust removing pipe 8 is provided with an on-off valve on the basis of the above-described embodiment.
Preferably, the on-off valve is a butterfly valve 81.
It is understood that, when sampling, the on-off valve is in an open state; when not sampling, the switch valve is in a closed state.
In addition, in order to facilitate the tobacco stem conveying pipe 1 to convey the tobacco stems, on the basis of the above embodiment, the tobacco stem conveying pipe 1 is connected with a negative pressure generator 9, and further comprises an air supply pipe 91 for conveying positive pressure air to the negative pressure generator 9, so that the tobacco stems can enter the negative pressure generator 9 to flow to the reversing valve 4 after being accelerated.
The operation of the tobacco stem sampling device shown in fig. 1 will be described as an example.
When the tobacco stem collector works, tobacco stem flow enters the negative pressure generator 9 through the tobacco stem conveying pipe 1 and is accelerated to flow to the reverser, when a sample is not taken, the butterfly valve 81 is closed, the reversing sheet 42 is positioned at the first position 421, and at the moment, the tobacco stem flow passes through the stem pipe 2 and is pumped to the independent tobacco stem collecting device of a user by the tobacco stem suction air; when sampling is needed, the butterfly valve 81 is opened, the reversing sheet 42 is located at the second position 422, at the moment, tobacco stems flow through the sieving device 3 and enter the curve 6, tobacco stems entering the curve 6 enter the sampling box 5, and sampling air flow entering the curve 6 passes through the negative pressure air fork pipe 7, the dust removal pipe 8 and the butterfly valve 81 in sequence and then is drawn away by the negative pressure fan, so that online sampling of the tobacco stems is completed.
In addition to the above tobacco stem sampling device, the utility model also provides a tobacco equipment including the tobacco stem sampling device disclosed in the above embodiment, and the structure of other parts of this tobacco equipment please refer to the prior art, and this text is no longer repeated.
It is further noted that, in the present specification, relational terms such as first and second, and the like 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.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The tobacco stem sampling device and the tobacco equipment with the tobacco stem sampling device provided by the utility model are introduced in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. The utility model provides a offal sampling device, its characterized in that includes offal conveyer pipe (1), play stalk pipe (2) and sieve separator (3), and the three passes through reversing valve (4) and connects, sieve separator (3) link to each other with sample box (5), reversing valve (4) include:
the rotating shaft (41) is arranged at the intersection of the stem outlet pipe (2) and the pipe wall of the sieving device (3);
the commutator segment (42) is fixedly connected with the rotating shaft (41);
the driving mechanism is used for driving the rotating shaft (41) to rotate, when the driving mechanism drives the rotating shaft (41) to rotate, the reversing sheet (42) is switched between a first position (421) and a second position (422), and when the reversing sheet (42) is located at the first position (421), the tobacco stem conveying pipe (1) is communicated with the tobacco stem outlet pipe (2); when the reversing sheet (42) is located at the second position (422), the tobacco stalk conveying pipe (1) is communicated with the sieving device (3).
2. The tobacco stem sampling device according to claim 1, characterized in that the reversing piece (42) is provided with a sleeving part fixedly sleeved with the rotating shaft (41).
3. The stem sampling device according to claim 1, wherein the output shaft of the drive mechanism is connected to the shaft (41) by a coupling (44).
4. The stem sampling device according to claim 3, wherein the drive mechanism comprises a pneumatic cylinder (43).
5. Tobacco stem sampling device according to any of the claims 1 to 4, characterized in that said sifter (3) is connected to said sampling box (5) by a bend (6).
6. Tobacco stem sampling device according to claim 5, characterized in that a negative pressure air fork (7) is also connected to said bend (6) for extracting the flow of sampling air entering said bend (6) from said sifter (3).
7. Tobacco stem sampling device according to claim 6, characterized in that a dust removal tube (8) is connected to the sub-atmospheric air fork tube (7).
8. Tobacco stem sampling device according to claim 7, characterized in that said dust removal tube (8) is provided with an on-off valve.
9. Tobacco stem sampling device according to claim 5, characterized in that said tobacco stem conveying pipe (1) is connected with a negative pressure generator (9), further comprising a blast pipe (91) for conveying positive pressure air for said negative pressure generator (9).
10. Tobacco plant comprising a stem sampling device, characterized in that it is a stem sampling device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120349393.2U CN214309561U (en) | 2021-02-07 | 2021-02-07 | Tobacco stem sampling device and tobacco equipment with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120349393.2U CN214309561U (en) | 2021-02-07 | 2021-02-07 | Tobacco stem sampling device and tobacco equipment with same |
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| Publication Number | Publication Date |
|---|---|
| CN214309561U true CN214309561U (en) | 2021-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120349393.2U Active CN214309561U (en) | 2021-02-07 | 2021-02-07 | Tobacco stem sampling device and tobacco equipment with same |
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| CN (1) | CN214309561U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114680371A (en) * | 2022-05-13 | 2022-07-01 | 湖北中烟工业有限责任公司 | Multifunctional tobacco stem conveying device |
-
2021
- 2021-02-07 CN CN202120349393.2U patent/CN214309561U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114680371A (en) * | 2022-05-13 | 2022-07-01 | 湖北中烟工业有限责任公司 | Multifunctional tobacco stem conveying device |
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