CN220476906U - Thread pressing wheel device for controlling height of thread sucking belt of cigarette making machine - Google Patents
Thread pressing wheel device for controlling height of thread sucking belt of cigarette making machine Download PDFInfo
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- CN220476906U CN220476906U CN202320651381.4U CN202320651381U CN220476906U CN 220476906 U CN220476906 U CN 220476906U CN 202320651381 U CN202320651381 U CN 202320651381U CN 220476906 U CN220476906 U CN 220476906U
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- weight control
- thread
- suction belt
- executing mechanism
- pinch roller
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- 235000019504 cigarettes Nutrition 0.000 title claims abstract description 26
- 238000003825 pressing Methods 0.000 title claims abstract description 16
- 238000004260 weight control Methods 0.000 claims abstract description 60
- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 230000009471 action Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000004044 response Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract 1
- 241000208125 Nicotiana Species 0.000 description 34
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 34
- 238000009966 trimming Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Abstract
The utility model relates to a thread pressing wheel device for controlling the height of a thread sucking belt of a cigarette making machine, which comprises a weight control executing mechanism, a rotating bracket, a rotating shaft and a thread sucking belt pressing wheel; an output shaft of the weight control servo motor is connected with the weight control executing mechanism and is used for driving the weight control executing mechanism to rotate; the rotating wheel of the rotating bracket is matched with the weight control executing mechanism, and the rotating bracket is connected with the silk suction belt pinch roller after passing through the rotating shaft; the silk suction belt pinch roller is positioned above the silk suction belt, and a cutter head is arranged below the silk suction belt opposite to the silk suction belt pinch roller. The technology connects the weight control servo motor with the newly added silk suction belt pinch roller, simplifies the structure of the weight control system, improves the response speed of the weight control system and reduces the maintenance cost; and optimize the leveling device elevation structure on the basis of original weight control system, solved the not high problem of leveling dish riving knife adjustment precision.
Description
Technical Field
The utility model belongs to the technical field of cigarette making machines, and particularly relates to a cut tobacco pressing wheel device for controlling the height of a cut tobacco sucking belt of a cigarette making machine.
Background
The PROTOS70 is one of main force equipment for cigarette production, and consists of VE, SE, MAX parts, wherein VE is mainly responsible for tobacco shred supply, and in the system, tobacco shred forming and weight control play an extremely critical role, and tobacco shreds are subjected to certain treatment to form formed tobacco shred bundles in an air suction chamber for supplying SE to complete subsequent process treatment. The tobacco shred bundles formed by sucking the tobacco shreds are uneven in tobacco shred quantity, and if the tobacco shreds are directly rolled, the weight deviation of cigarettes is overlarge. The formed tobacco bundles are further processed by adopting a leveling device, so that the tobacco bundles are basically uniform. The trimming cutter disc is arranged on the leveler, after the tobacco shred density of the tobacco rods is measured and calculated through microwave detection, if deviation exists after the tobacco shred density is compared with a set value, the servo motor receives signals and enables the leveler to rotate slightly around the rotating shaft through the screw rod, and therefore the trimming cutter disc of the leveler moves up and down, and redundant tobacco shreds under the tobacco shred sucking belt are trimmed as required.
In the technical scheme adopted at present, a control method for the height of a tobacco shred suction belt of a cigarette making machine is provided, the tail end of the tobacco shred suction belt is adjusted by adopting a height control device, and the height change of a leveler is determined by the sparseness of tobacco shreds and is adjusted synchronously with the sparseness. The device is composed of a servo motor, a servo controller, an adjusting track for driving the silk suction belt to move up and down, a rotating shaft, a cam and the like. The servo motor of the system is connected with a cigarette making machine weight control system through a servo controller. The system has a complex structure, the servo controller and the servo motor are required to be reset, the adjusting position is at the tail end of the silk suction belt, the weight control is corresponding and the effect is delayed, the weight adjustment lag of the cigarettes is easy to cause, the cigarettes cannot be timely adjusted to a set value when the weight deviation is large, and the cigarettes vibrate near the set standard value, so that the stability is poor.
The prior art also proposes that a cigarette making machine silk ribbon control system based on servo control is adopted, and the cigarette making machine silk ribbon control system comprises a cigarette making machine main machine, silk ribbon, a negative pressure cavity and a universal coupling, wherein the universal coupling is connected with a servo motor, the servo motor is connected with a servo controller, and the servo controller is connected with an encoder. The system has excessive links, the system is in an unstable state, signal transmission delay is easy to occur, and program writing and synchronous adjustment of a server and an encoder are easy to approach a set value accurately and rapidly when weight deviation is large due to excessive links.
Disclosure of Invention
The utility model aims to provide a yarn pressing wheel device for controlling the height of a yarn sucking belt of a cigarette making machine, which optimizes a lifting structure of a collimator based on an original weight control system, locks a cutter disc of the collimator at a set position, connects a weight control servo motor with a newly-added yarn pressing mechanism, enables the position of the yarn sucking belt of a yarn sucking chamber to move up and down through controlling the position of a wheel, and completes trimming of tobacco bundles so as to solve the problems in the prior art.
In order to achieve the above purpose, the present application is implemented by the following technical schemes:
a thread roller device for controlling the height of a thread suction belt of a cigarette making machine comprises a weight control executing mechanism, a rotary bracket, a rotary shaft and a thread suction belt pinch roller;
an output shaft of the weight control servo motor is connected with the weight control executing mechanism and is used for driving the weight control executing mechanism to rotate;
one end of the rotary support is abutted with the weight control executing mechanism, and the rotary support is connected with the silk suction belt pinch roller after passing through the rotary shaft; the rotary support rotates around the rotary shaft under the action of the weight control executing mechanism;
the silk suction belt pinch roller is positioned above the silk suction belt, and a cutter head is arranged below the silk suction belt opposite to the silk suction belt pinch roller.
Further, the weight control actuating mechanism is of a rectangular cantilever beam structure, and a chamfer is arranged below the outer end part.
Further, the rotary support comprises a rotary wheel, a sector hook, an arc-shaped part and a connecting part; the rotating wheel is rotationally connected with the sector hook through a mounting shaft, and is matched with the weight control executing mechanism; the arc-shaped part is respectively connected with the fan-shaped hook and the connecting part, and the other end of the connecting part is connected with the center of the silk suction belt pinch roller.
Further, the fan-shaped hook is composed of an arc edge and a straight edge, the straight edge is connected with the arc portion, and the arc edge is abutted with the weight control executing mechanism.
Further, the arc-shaped part is semicircular and matched with the rotating shaft, and an included angle between the diameter of the arc-shaped part and the axial central line of the connecting part is an obtuse angle.
Further, the diameter of the arc-shaped portion is not on the same straight line as the straight edge.
Further, the device comprises an upper limit limiter, wherein the lower end of the upper limit limiter corresponds to one end of the rotary support, which is connected with the silk suction belt pinch roller.
The beneficial effects of the utility model are as follows:
1. through the use of this device, optimize leveler elevation structure on original weight control system's basis, solved the not high problem of leveling dish riving knife adjustment precision.
2. According to the technical scheme, the contact mode of the silk suction belt pinch roller mechanism and the weight control executing mechanism is improved, and the problem of adjustment accuracy reduction caused by friction loss is solved.
3. The weight control servo motor is connected with the newly-added yarn pressing fiber mechanism, so that the structure of the weight control system is simplified, the response speed of the weight control system is improved, and the maintenance cost is reduced.
4. Compared with the original weight control system, the system has the advantages of simplifying the structure, reducing the cost and protecting the riving knife device.
Drawings
Fig. 1 is a schematic diagram of the working principle of filament suction forming.
Fig. 2 is a schematic diagram of a yarn pressing wheel device with yarn sucking belt height control.
Fig. 3 is a schematic installation view of a yarn pressing wheel device with yarn sucking belt height control.
Description of the reference numerals
1. Tobacco bundles; 2. cigarette paper; 3. a leveler; 4. trimming redundant tobacco shreds; 5. a vertical air duct; 6. tobacco shred flow; 7. a silk suction belt; 8. secondary air separation; 9. air suction is carried out; 10. a silk suction belt pinch roller; 20. a rotating bracket; 21. a rotating wheel; 22. arc edges; 23. straight edges; 24. an arc-shaped portion; 25. a connection part; 30. a rotation shaft; 40. a weight control actuator; 50. an upper limit stop.
Detailed Description
The following detailed description of the present application is merely exemplary in nature and is not intended to limit the utility model to the precise form disclosed, or to limit the utility model to the specific form disclosed.
Firstly, it should be noted that, the technical scheme of the application is to optimize and improve the lifting structure of the leveling device on the basis of the weight control system of the existing cigarette making machine, and the improvement of the application does not change the measurement signals, feedback signals and the like of the cigarette rod density detector, the SRM cigarette weight control system and the like of the weight control system, so that the technical scheme of the application does not describe the existing control mode and the like, but does not indicate that the applicant does not describe the application file in detail, and when the technical scheme of the application is obtained, the technical scheme of the application can be directly and unquestionably prepared by a person skilled in the art.
Compared with the prior art, the technical scheme has the advantages that besides the yarn pressing wheel device for controlling the height of the yarn sucking belt of the cigarette making machine is additionally arranged, the cutter disc of the collimator of the prior art is locked at a set position, then the weight control servo motor is connected with the newly-added yarn pressing wheel mechanism, and the position of the yarn sucking belt of the air sucking chamber moves up and down through the position of the yarn sucking belt pressing wheel of the yarn pressing wheel mechanism, so that the trimming of tobacco bundles is completed.
The weight control system mainly comprises a pinch roller, a leveling device, a tobacco rod density detector and an SRM tobacco rod weight control system. After detecting the tobacco shred density, the rolled tobacco rod feeds back the measurement signal, compares the measurement signal with the SRM and transmits the compared signal to a pinch roller monitored by a displacement sensor, and the position of the pinch roller is adjusted in real time to realize the weight control of the tobacco shred. The control described above is conventional and will not be described in detail here, as shown in fig. 1.
As shown in fig. 2, the present application provides a cut tobacco roller device for controlling the height of a cut tobacco suction belt of a cigarette making machine, which comprises a weight control executing mechanism 40, a rotary bracket 20, a rotary shaft 30 and a cut tobacco suction belt pinch roller 10.
The output shaft of the weight control servo motor is connected with the weight control executing mechanism and used for driving the weight control executing mechanism to rotate, and the weight control servo motor acts according to a control mode or a control program in the prior art without improving the control of the weight servo motor.
The weight control actuator 40 of the present application has a rectangular cantilever structure, and a bevel portion is provided below an outer end portion, and the weight control actuator is driven by a weight servo motor to rotate at a limited angle up and down in a limited range.
One end of the rotary support 20 is abutted with the weight control executing mechanism, and the rotary support is connected with the silk suction belt pinch roller after passing through the rotary shaft; the rotating bracket rotates around the rotating shaft under the action of the weight control executing mechanism.
The rotary bracket 20 comprises a rotary wheel 21, a sector hook, an arc-shaped part 24 and a connecting part 25; the rotating wheel is rotationally connected with the sector hook through the mounting shaft, and is matched with the weight control executing mechanism; the arc-shaped parts are respectively connected with the fan-shaped hooks and the connecting parts, and the other ends of the connecting parts are connected with the center of the silk suction belt pinch roller 10.
The fan-shaped hook consists of an arc edge 22 and a straight edge 23, wherein the straight edge is connected with the arc part, and the arc edge is abutted with the weight control actuating mechanism.
The arc-shaped part is semicircular and matched with the rotating shaft, and an included angle between the diameter of the arc-shaped part and the axial central line of the connecting part is an obtuse angle. The diameter of the arc-shaped part is not on the same straight line with the straight edge.
The silk suction belt pinch roller is positioned above the silk suction belt, and a cutter head is arranged below the silk suction belt opposite to the silk suction belt pinch roller.
The device also comprises an upper limit limiter 50, wherein the lower end of the upper limit limiter corresponds to the end of the rotary support, which is connected with the silk suction belt pinch roller.
The specific working principle is as follows:
the weight control executing mechanism is characterized in that when the detecting mechanism returns a detection value to the SRM weight control system, the system controls the motor to drive the executing mechanism to rotate after analysis and calculation; the rotary support is a mechanism for giving a rotary center and a supporting point to the silk suction belt pinch roller; the wire sucking belt pinch roller performs lever motion around the rotating bracket when the weight control executing mechanism acts, and finally the distance between the wire sucking belt and the chopper disc is adjusted through the up-down motion of the wire sucking belt pinch roller, so that the weight of the tobacco bundles is controlled; the upper limit limiter is used for preventing the silk suction belt pinch roller from exceeding a limit position to damage equipment during operation.
It should be understood that the above description is not intended to limit the utility model to the particular embodiments disclosed, but to limit the utility model to the particular embodiments disclosed, and that various changes, modifications, additions and substitutions can be made by one of ordinary skill in the art without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (6)
1. The thread-pressing wheel device for controlling the height of the thread-sucking belt of the cigarette making machine is characterized by comprising a weight control executing mechanism, a rotating bracket, a rotating shaft and a thread-sucking belt pressing wheel;
an output shaft of the weight control servo motor is connected with the weight control executing mechanism and is used for driving the weight control executing mechanism to rotate;
one end of the rotary support is abutted with the weight control executing mechanism, and the rotary support is connected with the silk suction belt pinch roller after passing through the rotary shaft; the rotary support rotates around the rotary shaft under the action of the weight control executing mechanism;
the silk suction belt pinch roller is positioned above the silk suction belt, and a cutter head is arranged below the silk suction belt opposite to the silk suction belt pinch roller;
the rotary support comprises a rotary wheel, a sector hook, an arc-shaped part and a connecting part; the rotating wheel is rotationally connected with the sector hook through a mounting shaft, and is matched with the weight control executing mechanism; the arc-shaped part is respectively connected with the fan-shaped hook and the connecting part, and the other end of the connecting part is connected with the center of the silk suction belt pinch roller.
2. The thread roller apparatus of claim 1, wherein the weight control actuator is a rectangular cantilever beam structure with a chamfer disposed below the outer end.
3. The thread roller device for controlling the height of a thread suction belt of a cigarette making machine according to claim 1, wherein the fan-shaped hook is composed of an arc edge and a straight edge, the straight edge is connected with the arc portion, and the arc edge is abutted with the weight control actuator.
4. A thread roller device for controlling the height of a thread suction belt of a cigarette making machine according to claim 3, wherein the arc-shaped part is semicircular and is matched with the rotating shaft, and an included angle between the diameter of the arc-shaped part and the axial center line of the connecting part is an obtuse angle.
5. The device of claim 4, wherein the arcuate portion has a diameter that is not collinear with the straight edge.
6. The thread roller apparatus of claim 1, comprising an upper limit limiter, wherein a lower end of the upper limit limiter corresponds to an end of the rotating frame to which the thread roller is coupled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320651381.4U CN220476906U (en) | 2023-03-29 | 2023-03-29 | Thread pressing wheel device for controlling height of thread sucking belt of cigarette making machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320651381.4U CN220476906U (en) | 2023-03-29 | 2023-03-29 | Thread pressing wheel device for controlling height of thread sucking belt of cigarette making machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220476906U true CN220476906U (en) | 2024-02-13 |
Family
ID=89837759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320651381.4U Active CN220476906U (en) | 2023-03-29 | 2023-03-29 | Thread pressing wheel device for controlling height of thread sucking belt of cigarette making machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220476906U (en) |
-
2023
- 2023-03-29 CN CN202320651381.4U patent/CN220476906U/en active Active
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