CN110712949B

CN110712949B - Scroll detection device

Info

Publication number: CN110712949B
Application number: CN201910967453.4A
Authority: CN
Inventors: 黎伟雄
Original assignee: China Tobacco Hubei Industrial LLC
Current assignee: China Tobacco Hubei Industrial LLC
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2021-07-02
Anticipated expiration: 2039-10-12
Also published as: CN110712949A

Abstract

A scroll detection device comprises a T-shaped guide rod, a controller, a support arranged on the side face of a storage cabinet chain, a proximity switch arranged at the top end of the support and a fixed seat arranged right below the proximity switch, wherein a spring is sleeved on the T-shaped guide rod and then penetrates through the fixed seat from bottom to top, a pushing device capable of periodically pushing the bottom of the T-shaped guide rod along with the movement of a scroll is arranged below the T-shaped guide rod, the top of the T-shaped guide rod can touch the proximity switch through the pushing device, and the controller receives and processes signals of the proximity switch. The invention detects the state of the scroll by installing the detection device, can find the abnormity of the scroll in time, and can effectively avoid quality accidents or equipment accidents; the detection device can replace manual detection, and solves the problems of high manual detection strength, low efficiency and the like.

Description

Scroll detection device

Technical Field

The invention relates to a detection device for storage cabinet equipment in the tobacco industry, in particular to a scroll detection device.

Background

The storage cabinet is a necessary device in the tobacco processing industry, is widely applied to the processing procedures of storing tobacco leaves, mixing cut tobacco, storing finished cut tobacco and the like, and has very important functions and significance for the absorption of the fragrant sugar materials, the moisture balance, the uniform mixing of the tobacco leaf components and the like.

The bottom belt of the storage cabinet is a key part for bearing and conveying materials, and the whole conveying part comprises the bottom belt, a scroll for supporting the bottom belt, a chain for transferring motion and the like. The bottom belt is laid on the scroll, the scroll is made of metal and is in a cuboid shape, two ends of the scroll are oblique notches, the scroll and the lateral wings of the chains on two sides of the storage cabinet are fixed together through bolts, the scroll is generally arranged at intervals of 100 plus 200mm, and therefore, the scroll of one storage cabinet is generally 200 plus 300 (different due to the length of the storage cabinet).

In actual operation, the fixing bolts on the two sides of the scroll can be loosened (one end is loosened or the two ends are loosened simultaneously), and the dropped scroll can be clamped in the middle of the rack, so that a belt is scratched or the rack is deformed, and large quality accidents and equipment accident potential are caused. At present, the fastening condition of bolts is mainly checked manually, but the number of the storage cabinets is 30-50, the number of the storage cabinets is more than 100, the number of the storage cabinets is hundreds, and the manual checking strength is high and the manual checking efficiency is low.

Disclosure of Invention

In order to solve the above problems, the invention provides a banner detection device, which has the following specific technical scheme:

a scroll detection device comprises a T-shaped guide rod, a controller, a support arranged on the side face of a storage cabinet chain, a proximity switch arranged at the top end of the support and a fixed seat arranged right below the proximity switch, wherein a spring is sleeved on the T-shaped guide rod and then penetrates through the fixed seat from bottom to top, a pushing device capable of periodically pushing the bottom of the T-shaped guide rod along with the movement of a scroll is arranged below the T-shaped guide rod, the top of the T-shaped guide rod can touch the proximity switch through the pushing device, and the controller receives and processes signals of the proximity switch.

Further, the thrustor is including setting up fixed axle on the support with rotationally set up V type torque arm on the fixed axle, be provided with the torsional spring on the fixed axle, fixed axle and V type torque arm are connected respectively to the both ends of torsional spring.

Furthermore, two ends of the V-shaped torque arm are respectively provided with a rotatable roller.

Further, the detection device further comprises an alarm, and the alarm is electrically connected with the controller.

Further, the controller is a PLC controller.

Furthermore, the bottom of the bracket is fixedly connected with an L-shaped guide rail of the storage cabinet through a fixing screw.

Further, the two sides of the storage cabinet are provided with the detection devices, and the same side of the storage cabinet can be provided with a plurality of the detection devices.

Furthermore, a plurality of proximity switch signals triggered by a plurality of detection devices on the same side of the storage cabinet are transmitted to the controller as redundant signals.

Has the advantages that:

the invention detects the state of the scroll by installing the detection device, can find the abnormity of the scroll in time, and can effectively avoid quality accidents or equipment accidents; the detection device can replace manual detection, and solves the problems of high manual detection strength, low efficiency and the like.

Drawings

FIG. 1 is a schematic view of the initial position of the pushing device of the present invention.

FIG. 2 is a schematic view of the pushing position of the pushing device of the present invention.

Fig. 3 is a side view of the present invention.

In the figure: the device comprises a base belt 1, a bracket 2, a proximity switch 3, a fixing clamp plate 4, a fixing seat 5, a guide rod 6T, a spring 7, a torsion arm 8V, an upper roller 9, a lower roller 10, a fixing shaft 11, a torsion spring 12, a scroll 13, a guide rail 14L and a fixing screw 15.

Detailed Description

The invention is further described with reference to the following figures and specific embodiments:

as shown in fig. 1, a banner detection device comprises a T-shaped guide rod 6, a controller, a bracket 2 installed on the side surface of a chain of a storage cabinet, a proximity switch 3 arranged at the top end of the bracket 2, and a fixed seat 5 arranged right below the proximity switch 3, wherein a spring 7 is sleeved on the T-shaped guide rod 6, and then the T-shaped guide rod passes through the fixed seat 5 from bottom to top and can move up and down in the fixed seat 5, a pushing device capable of pushing the bottom of the T-shaped guide rod 6 periodically along with the movement of a banner 13 is arranged below the T-shaped guide rod 6, the top of the T-shaped guide rod 6 can touch the proximity switch 3 by the pushing device, so as to trigger a corresponding signal, and the controller receives and processes the signal of the proximity switch 3; the detection device further comprises an alarm which is electrically connected with the controller, and the controller is a PLC (programmable logic controller).

Specifically, the bottom of the bracket 2 is fixedly connected with an L-shaped guide rail 14 of the storage cabinet through a fixing screw 15 (as shown in fig. 3), and the bracket 2 is installed close to the chain, so that the storage cabinet banner 13 can touch the lower part of the pushing device; the proximity switch 3 is fixed on the bracket 2 through a fixed splint 4; the pushing device comprises a fixing shaft 11 arranged on the support 2 and a V-shaped torque arm 8 rotatably arranged on the fixing shaft 11, a torsion spring 12 is arranged on the fixing shaft 11, two ends of the torsion spring 12 are respectively connected with the fixing shaft 11 and the V-shaped torque arm 8, and the upper end and the lower end of the V-shaped torque arm 8 are respectively provided with a rotatable upper roller 9 and a rotatable lower roller 10.

In fig. 1, the pushing device is in an initial position, at this time, the lower roller 10 at the lower end of the V-shaped torque arm 8 is in a position between two banners 13, the upper roller 9 contacts the lower end of the T-shaped guide rod 6, and the upper end of the T-shaped guide rod 6 is far away from the proximity switch 3; when the bottom belt 1 moves forwards, the lower roller 10 touches the edge of the scroll 13, the scroll 13 pushes the V-shaped torque arm 8 to rotate clockwise around the fixed shaft 11, so that the lower roller 10 moves to the upper surface of the scroll 13, and along with the movement of the bottom belt 1, the lower roller 10 rotates on the upper surface of the scroll 13, at the moment, the upper roller 9 pushes the bottom of the T-shaped guide rod 6, so that the T-shaped guide rod 6 moves upwards, the approach switch 3 is touched, and the 'on' signal of the approach switch 3 is triggered.

As shown in fig. 2, the pushing device is in the pushing position, at this time, the lower roller 10 is located on the upper surface of the banner 13, the upper roller 9 continuously pushes the bottom of the T-shaped guide rod 6, and the proximity switch 3 continuously sends out a "conducting" signal; when the bottom belt 1 continues to move forwards, the lower roller 10 of the V-shaped torque arm 8 moves downwards from the upper surface of the scroll 13 to a position between the two scroll 13, under the action of the elastic force of the spring 7 on the T-shaped guide rod 6, the T-shaped guide rod 6 moves downwards, the lower surface of the T-shaped torque arm pushes the upper roller 9 to enable the V-shaped torque arm 8 to rotate anticlockwise around the fixed shaft 11, meanwhile, under the combined action of the elastic force of the torsion spring 12, the V-shaped torque arm 8 can be rapidly restored to the initial position, and at the moment, the 'on' signal disappears to trigger the 'off' signal of the proximity switch 3; the proximity switch 3 continues to send an "off" signal as the lower roller 10 continues to move between the two banners 13.

When the bottom belt 1 moves forwards at a constant speed, the distance between the two banners 13 and the width of the upper surfaces of the banners 13 are the same, so that the V-shaped torque arm 8 periodically pushes the T-shaped guide wheel to trigger regular and periodic proximity switch 3 signals, and the periodic 'on' signal duration time and the 'off' signal duration time are used as judgment conditions for the PLC to process the proximity switch 3 signals; when the bolt of the banner 13 is loosened, the duration time of the 'on' signal and the duration time of the 'off' signal are changed, at the moment, the PLC judges the received signal of the proximity switch 3 as an 'abnormal' signal, and sends an instruction to the alarm after processing the 'abnormal' signal, so that the alarm gives an alarm sound to remind maintenance personnel to check and process on site.

Preferably, the detection devices are arranged at two ends of the scroll 13 of the storage cabinet, so that bolts at two ends of the scroll 13 can be detected when loosened, and the stability of operation is ensured; the detection devices can be arranged on the same side surface of the scroll 13 and can give out alarm sound after being used as redundant signals of the alarm to judge, so that the generation of false alarm can be effectively prevented.

Claims

1. A scroll detection device is characterized in that: the device comprises a T-shaped guide rod, a controller, a support arranged on the side face of a storage cabinet chain, a proximity switch arranged at the top end of the support and a fixed seat arranged right below the proximity switch, wherein a spring is sleeved on the T-shaped guide rod and then penetrates through the fixed seat from bottom to top, a pushing device capable of periodically pushing the bottom of the T-shaped guide rod along with the movement of a scroll is arranged below the T-shaped guide rod, the top of the T-shaped guide rod can touch the proximity switch through the pushing device, and the controller receives and processes signals of the proximity switch; the pushing device comprises a fixing shaft arranged on the support and a V-shaped torsion arm rotatably arranged on the fixing shaft, a torsion spring is arranged on the fixing shaft, and the two ends of the torsion spring are respectively connected with the fixing shaft and the V-shaped torsion arm.

2. The banner detection apparatus of claim 1, wherein: and rotatable rollers are respectively arranged at two ends of the V-shaped torque arm.

3. The banner detection apparatus of claim 1, wherein: the detection device further comprises an alarm which is electrically connected with the controller.

4. The banner detection apparatus of claim 3, wherein: the controller is a PLC controller.

5. The banner detection apparatus of claim 1, wherein: the bottom of the bracket is fixedly connected with the L-shaped guide rail of the storage cabinet through a fixing screw.

6. The banner detection apparatus of claim 1, wherein: the two sides of the storage cabinet are provided with the detection devices, and the same side of the storage cabinet can be provided with a plurality of detection devices.

7. The banner detection apparatus of claim 6, wherein: and a plurality of proximity switch signals triggered by a plurality of detection devices on the same side of the storage cabinet are transmitted to the controller as redundant signals.