CN210824533U - Take storage cabinet of moment of torsion restriction to dial roller transmission - Google Patents
Take storage cabinet of moment of torsion restriction to dial roller transmission Download PDFInfo
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- CN210824533U CN210824533U CN201921649072.3U CN201921649072U CN210824533U CN 210824533 U CN210824533 U CN 210824533U CN 201921649072 U CN201921649072 U CN 201921649072U CN 210824533 U CN210824533 U CN 210824533U
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- roller
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- rotation detection
- control system
- poking
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Abstract
The utility model discloses a storage cabinet poking roller transmission device with torque limitation, which comprises a poking roller driving device, a poking roller rotation detection device and an electric control device; the electric control device comprises a PLC control system, and the PLC control system is connected with the frequency converter; the roller pulling driving device comprises a roller pulling, a speed reducer, a friction type torque limiter and a roller pulling driving motor which are connected in sequence; the roller pulling driving motor is connected with a frequency converter; the friction type torque limiter is connected with the roller pulling driving motor through a driving shaft and connected with the speed reducer through a driven shaft; the roller-pulling rotation detection device comprises a roller rotation detection sensor connected with a PLC control system and a roller-pulling rotation detection disc, and the roller-pulling rotation detection disc is driven to rotate by the roller-pulling driving device. Through this dial roller transmission, can effectual prevention because dial roller drive arrangement overload causes equipment damage, improve equipment life.
Description
Technical Field
The utility model belongs to the tobacco field of making, concretely relates to store up group roller transmission of cabinet. The poking roller transmission device is suitable for common storage cabinets with poking rollers in different models and opposite-top storage cabinets, and has wide popularization and universality.
Background
In the cigarette production process, the storage cabinet is usually used between two working procedures, plays the roles of temporarily storing, buffering and stabilizing the flow of tobacco materials, and can ensure the balance of productivity between the upper working procedure and the lower working procedure. When the storage cabinet discharges, the bottom belt operates to convey tobacco leaves or tobacco shreds to the discharge hole, and the tobacco leaves or the tobacco shreds are loosened by the roller shifting device at the discharge end and then conveyed to downstream conveying equipment. In the production process, when the bottom belt of the storage cabinet discharges too fast, the instantaneous discharge flow is over larger than the opening conveying capacity of the pulling roller, so that the materials are accumulated on the outlet side and form compression, and the driving device of the pulling roller is overloaded. The following defects can occur in the whole discharging process:
(1) because of reasons such as material ejection of compact flow overload in the twinkling of an eye appear dialling the phenomenon of stagnation between roller and the material, need operating personnel to press emergency stop button and get into and store up the cabinet discharge end and carry out artifical clear material, cause the production disconnected material and produce the personal safety hidden danger.
(2) When the shifting roller driving device is overloaded, the driving motor generates alarm through the frequency converter after overcurrent and stops the machine, maintenance personnel is required to perform professional maintenance, and production can be recovered after faults are properly processed. The process is time consuming and affects production continuity.
(3) The motor load overload and drive overcurrent directly influence the service life of a drive motor and a frequency converter, and equipment is damaged in severe cases.
(4) When the machinery is overloaded, direct impact of equipment such as a speed reducer, a bearing, an auxiliary device and the like can be caused. The long-term overload damages the mechanical of the shifting roller and the transmission device thereof, and shortens the service life.
SUMMERY OF THE UTILITY MODEL
For solving the problem that prior art exists, the utility model provides a take torque limiter's group roller transmission. Through this dial roller transmission, can effectual prevention because dial roller drive arrangement overload causes equipment damage, improve equipment life.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a kind of storage cabinet with torque limit dials the roller drive unit, including dialing roller drive unit, dialing roller rotation detection device and electric control unit; wherein,
the electric control device comprises a PLC control system, and the PLC control system is connected with the frequency converter;
the roller pulling driving device comprises a roller pulling, a speed reducer, a friction type torque limiter and a roller pulling driving motor which are connected in sequence; the roller pulling driving motor is connected with a frequency converter; the friction type torque limiter is connected with the roller pulling driving motor through a driving shaft and connected with the speed reducer through a driven shaft;
the roller-shifting rotation detection device comprises a roller rotation detection sensor connected with a PLC control system and a roller-shifting rotation detection disc; the pulling roller drives the pulling roller to rotate and detect the rotation of the disc.
Compared with the prior art, the utility model provides a technical scheme has following beneficial effect:
firstly, the utility model discloses a friction formula torque limiter's overload safety protection, PLC control system control driving motor stop the moment of torsion output to the realization stops completely dials roller drive arrangement, reaches overload safety duplicate protection's function, and can in time remind operating personnel. The phenomenon that the roller-shifting driving device in the prior art has no overload protection is solved, and the roller-shifting driving device is protected to the maximum extent by reasonably matching the clutch function of the friction type torque limiter with the PLC electric control system.
Secondly, the utility model discloses stopped prior art and dialled roller drive arrangement and had not had mechanical overload protection's drawback, increased friction formula torque limiter and dialled the rotatory detection device of roller under the prerequisite that does not change drive arrangement overall structure for dial roller card material smooth transition mechanical shock through friction formula torque limiter when stalling, realize not damaged disconnection power moment of torsion. The motor, the speed reducer transmission mechanism and the electric control device are protected to the maximum extent, the overload protection capability is greatly enhanced, the loss is reduced, and the service life of the poking roller driving device is prolonged.
Thirdly, through PLC control system and dial roller rotation detection device, realized dialling that automatic safety shut down can be immediately realized when roller card material stalling trouble, need not professional maintenance personal and resume the converter trouble, stop the electric damage that the converter should be crossed the current and cause, friction formula torque limiter has from the reset function, has shortened trouble down time, improves the continuity of production, extension equipment life.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:
fig. 1 is a schematic structural view of the driving device of the poking roller of the present invention;
FIG. 2 is a schematic structural view of the roller rotation detecting device of the present invention;
fig. 3 is a schematic structural diagram of the electric control device of the present invention;
FIG. 4 is a schematic structural diagram of a control system of the roller-shifting transmission device of the present invention;
fig. 5 is a schematic control flow diagram of the control system of the roller-shifting transmission device of the present invention.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention clearer and more obvious, the following description of the present invention with reference to the accompanying drawings and embodiments is provided for further details. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
In the claims, the specification and the drawings, unless otherwise expressly limited, the terms "first," "second," or "third," etc. are used for distinguishing between different elements and not for describing a particular sequence.
In the claims, the specification and the drawings, unless otherwise expressly limited, to the extent that directional terms such as "center", "lateral", "longitudinal", "horizontal", "vertical", "top", "bottom", "inner", "outer", "upper", "lower", "front", "rear", "left", "right", "clockwise", "counterclockwise" and the like are used, the positional or orientational relationships illustrated in the drawings are based on the positional and orientational relationships illustrated in the drawings and are merely for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be construed as limiting the scope of the present invention in any way.
In the claims, the description and the drawings of the present application, unless otherwise expressly limited, the term "fixedly connected" or "fixedly connected" is used, which is to be understood broadly, that is, any connection mode without displacement relation or relative rotation relation between the two, that is, including non-detachably fixed connection, integrated connection and fixed connection through other devices or elements.
In the claims, the specification and drawings of the present invention, the terms "including", "having" and their variants, if used, are intended to be inclusive and limiting.
Referring now to fig. 1 to 4, a roller-shifting transmission device with torque limitation according to the present invention is described, which includes a roller-shifting driving device 100, a roller-shifting rotation detecting device 200 and an electric control device 300.
As shown in fig. 3, the electronic control device 300 includes a power module 310, a PLC control system 320, an I/O module 330, an air switch 340, and the like, which are connected, and the PLC control system 320 is connected to a frequency converter 350.
As shown in fig. 2, the roller-shifting rotation detecting device 200 includes a roller rotation detecting sensor 210 connected to the PLC control system 320, and a roller-shifting rotation detecting disc 220, and the roller-shifting rotation detecting disc 220 is provided with roller-shifting rotation detecting disc teeth 221. The dial roller rotation detection disk 220 is fixed to the axial center of the dial roller 110 directly by a nut. The dial roller rotation detection disc 220 is a metal toothed disc, the roller rotation detection sensor 210 is a non-contact metal detection proximity switch, the dial roller 110 drives the dial roller rotation detection disc 220 to rotate in a circular motion when rotating, dial roller rotation detection disc teeth 221 on the dial roller rotation detection disc 220 intermittently pass through the roller rotation detection sensor 210, so that the roller rotation detection sensor 210 generates a digital quantity signal and inputs the digital quantity signal to the PLC control system 320, the PLC control system 320 receives the digital quantity signal of the roller rotation detection sensor 210, and the PLC control system 320 judges the operating state of the dial roller according to the digital quantity signal.
Referring to fig. 1 and 4, the roller driving device 100 includes a roller 110, a speed reducer 120, a friction torque limiter 130, and a roller driving motor 140 connected in sequence. The PLC control system sets a frequency, and controls the roller driving motor 140 through a frequency converter. Two sides of the friction type torque limiter 130 are respectively connected with a driving shaft 150 and a driven shaft 160 through elastic couplings, the driving shaft 150 is connected with a roller pulling driving motor 140, and the driven shaft 160 is connected with a speed reducer 120. The friction torque limiter 130 presets a torque value, when the instantaneous discharge flow of the bottom belt of the storage cabinet is too large, the poking roller 110 is stuck with the material, and the resistance torque of the driven shaft 160 caused by the blockage of the material is larger than the working friction torque provided by the friction torque limiter 130, because the resistance torque is opposite to the main motion. The friction plate of the friction type torque limiter 130 slips, the output torque of the roller pulling driving motor 140 is disconnected, and the driven shaft 160 stops torque output, so that the purpose of mechanical overload safety protection in the working process is achieved.
The dial roller 110 is already in a complete stop state by the clutch action of the friction type torque limiter 130, but the drive shaft 150 is still outputting torque. At this time, the rotation detection sensor 210 of the dial roller rotation detection device 200 detects a stop signal of the dial roller 110, and transmits an operation signal of the dial roller 110 to the PLC control system 350. After receiving the stop signal of the dial roll 110, the PLC control system 320 controls the frequency converter 350 to stop outputting according to the logic operation result, and the dial roll driving motor 140 stops operating and outputs no torque, and sends an alarm message through the centralized control system. Through the interaction of the PLC control system 320, the poking roller rotation detection device 200 and the frequency converter, the electric safety protection function after overload is thoroughly realized. After the material jamming fault is solved, the resistance torque of the driven shaft 160 is smaller than the working friction torque provided by the friction type torque limiter 130, the friction plate of the friction type torque limiter 130 is self-reset, and the friction type torque limiter 130 restores the normal torque transmission and has the self-resetting function. The PLC control system 320 restarts the apparatus and the dial roller drive mechanism operates normally.
The utility model discloses the friction formula torque limiter 130 that dial roller drive arrangement 100 set up has friction formula structure, exceeds the setting value when the moment of torsion, and the drive side produces the friction with the load side and skids, and the disconnection moment of torsion is rolled out, plays overload protection effect. The friction torque limiter 130 is an elastic coupling, and has shaft holes at both sides to connect the driving shaft 150 and the driven shaft 160, respectively. The friction type torque limiter 130 can adjust the transmission torque, and the friction plate slips when the transmission torque exceeds the maximum friction torque by adjusting the maximum friction force of the friction plate, so that the friction type torque limiter is suitable for occasions of discontinuous and impact overload. The self-reset torque limiter is adopted, the torque output function is kept when no material is blocked and the locked rotor is blocked, and the function of mechanical overload protection is realized through the friction torque limiter. Has the advantages of reasonable, compact and simple structural design, safe, reliable and convenient use and maintenance, and is economical and practical in price. The overload safety protection effect can be achieved, the requirement of continuous production is met, and the functional requirement of overload protection is met.
As shown in fig. 5, the control method of the roller-shifting transmission device with torque limitation of the present invention is:
1) the PLC control system 320 detects whether the production line starts to operate automatically, and if so, the PLC control system 320 sends a start signal to the frequency converter 350, and the frequency converter 350 is in an operating state.
2) The dial roller rotation detection device 200 detects whether the dial roller 110 is jammed, and if so, the friction type torque limiter 130 intervenes to disconnect the power output of the driving shaft.
3) The roller-pulling rotation detection device 200 detects whether the roller 110 rotates, if not, the PLC control system 320 sends a stop signal to the frequency converter, the frequency converter 300 stops, and the roller-pulling stalling alarm function is triggered.
While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (1)
1. A storage cabinet poking roller transmission device with torque limitation comprises a poking roller driving device (100), a poking roller rotation detection device (200) and an electric control device (300); wherein,
the electric control device (300) comprises a PLC control system (320), and the PLC control system (320) is connected with the frequency converter (350);
the roller pulling driving device (100) comprises a roller pulling (110), a speed reducer (120), a friction type torque limiter (130) and a roller pulling driving motor (140) which are connected in sequence; the roller pulling driving motor (140) is connected with the frequency converter; the friction type torque limiter is connected with a roller pulling driving motor (140) through a driving shaft (150) and connected with a speed reducer (120) through a driven shaft (160);
the roller poking rotation detection device (200) comprises a roller rotation detection sensor (210) connected with a PLC control system (320) and a roller poking rotation detection disc (220); the pulling roller (110) drives the pulling roller rotation detection disc (220) to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921649072.3U CN210824533U (en) | 2019-09-30 | 2019-09-30 | Take storage cabinet of moment of torsion restriction to dial roller transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921649072.3U CN210824533U (en) | 2019-09-30 | 2019-09-30 | Take storage cabinet of moment of torsion restriction to dial roller transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210824533U true CN210824533U (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921649072.3U Expired - Fee Related CN210824533U (en) | 2019-09-30 | 2019-09-30 | Take storage cabinet of moment of torsion restriction to dial roller transmission |
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| Country | Link |
|---|---|
| CN (1) | CN210824533U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116885892A (en) * | 2023-08-23 | 2023-10-13 | 北京特种机械研究所 | Electric drive double push rod synchronous extending device |
-
2019
- 2019-09-30 CN CN201921649072.3U patent/CN210824533U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116885892A (en) * | 2023-08-23 | 2023-10-13 | 北京特种机械研究所 | Electric drive double push rod synchronous extending device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200623 |