CN211642885U - Automatic positioning system of iron wire drawing and unloading device - Google Patents
Automatic positioning system of iron wire drawing and unloading device Download PDFInfo
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- CN211642885U CN211642885U CN202020010528.8U CN202020010528U CN211642885U CN 211642885 U CN211642885 U CN 211642885U CN 202020010528 U CN202020010528 U CN 202020010528U CN 211642885 U CN211642885 U CN 211642885U
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- unloading device
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Abstract
The automatic positioning system of the iron wire drawing and unloading device comprises an ultrasonic sensor, an encoder, a proximity switch, a proportional pressure valve and a programmable controller. The ultrasonic sensor is arranged at the bottom of a cross beam above an inlet of the automatic iron wire shearing and drawing machine; the encoder is arranged on a rotating shaft connected with the drawing and unloading iron wire device and the drawing and unloading device mounting frame; the proximity switch is arranged on the mounting frame of the drawing and unloading device; the proportional pressure valve is connected with a lifting cylinder of the iron wire drawing and unloading device through an air pipe; and the programmable controller is connected with the ultrasonic sensor, the proximity switch and the proportional pressure valve through cables. The automatic positioning system can realize automatic positioning of the iron wire drawing and unloading device according to the height of the incoming waste paper bundles, reduces manual intervention and improves production efficiency.
Description
Technical Field
The utility model belongs to papermaking machinery equipment automatic control field especially relates to a waste paper bundle is automatic to be cut and is taken out iron wire machine and take out and unload iron wire device automatic positioning system.
Background
In-process of bundle is torn open to waste paper bundle at automatic cut and take out iron wire machine, the iron wire device is unloaded in the taking out that automatic cut and take out iron wire machine need be according to the height control position that waste paper bundle to guarantee to take out to unload the upper surface that the iron wire device can be in waste paper bundle, conveniently extract the iron wire.
At present, the specification of the waste paper bundles does not have a uniform standard, and particularly, the height of the waste paper bundles is easily irregular (the front of the waste paper bundles is high and the back of the waste paper bundles is low or the front of the waste paper bundles is low and the back of the waste paper bundles is high) in the process of clamping the waste paper bundles by a forklift and feeding. In prior art, take out and unload the information that the iron silk device location need not the waste paper bundle, cut the iron wire in-process in taking out, in case take out and unload the iron silk device location and accomplish, its position can not automatic adjustment, if the waste paper bundle height is irregular, and lead to taking out and unload the iron silk device location and appear the deviation, the phenomenon of iron wire appears leaking taking out easily, needs manual adjustment to take out and unloads the iron silk device position.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a waste paper bundle is automatic to be cut and is taken out iron wire machine and take out and unload iron wire device automatic positioning system and control method can take out and unload iron wire device automatic positioning according to the high realization of supplied materials waste paper bundle, reduces artificial intervention, improves production efficiency.
The technical scheme of the utility model:
the automatic positioning system of the iron wire drawing and unloading device comprises an ultrasonic sensor, an encoder, a proximity switch, a proportional pressure valve and a programmable controller. The ultrasonic sensor is arranged at the bottom of a cross beam above an inlet of the automatic iron wire shearing and drawing machine; the encoder is arranged on a rotating shaft connected with the drawing and unloading iron wire device and the drawing and unloading device mounting frame; the proximity switch is arranged on the mounting rack of the drawing and unloading device; the proportional pressure valve is connected with a lifting cylinder of the iron wire drawing and unloading device through an air pipe; the programmable controller is connected with the ultrasonic sensor, the proximity switch and the proportional pressure valve through cables.
The control method of the automatic positioning system of the iron wire drawing and unloading device mainly comprises the following steps:
(1) in the process of conveying the waste paper bundles into the automatic iron wire drawing and shearing machine, the ultrasonic sensor continuously measures the heights of a plurality of groups of waste paper bundles and transmits the heights to the programmable controller;
(2) the programmable controller calculates the height of the waste paper bundles by using the measured height values of several groups of waste paper bundles by adopting an arithmetic average method;
(3) the programmable controller records the numerical value of the encoder and the proximity switch signal when the drawing and unloading iron wire device is lifted, and calculates the actual position information of the drawing and unloading iron wire device;
(4) the programmable controller accurately calculates the position information of the waste paper bundles by knowing the automatic positioning information of the iron wire drawing and unloading device, and controls the proportional pressure valve to drive the lifting cylinder to accurately suspend the iron wire drawing and unloading device on the upper surfaces of the waste paper bundles.
In the step (3), the actual position information of the iron wire drawing and unloading device has an algorithm formula as follows: x = H- (Z/K) 360C, wherein X is the distance between the drawn and unloaded iron wire device and the surface of the conveyor, H is the distance between the drawn and unloaded iron wire device and the surface of the conveyor when the drawn and unloaded iron wire device is lifted to the highest position, Z is the numerical value of the encoder, K is the pulse count output by one rotation of the encoder, and C is the number of pulses of the encoder corresponding to 1-degree lifting of the drawn and unloaded iron wire device;
in the step (4), the automatic positioning information of the iron wire drawing and unloading device is obtained by the following algorithm formula: y = B-X, where Y is the height to be lifted by the wire drawing and discharging device, B is the height of the used paper bale measured by ultrasonic waves, and X is the distance of the wire drawing and discharging device from the surface of the conveyor.
The utility model has the advantages that: the utility model can realize the control system for automatically positioning the iron wire drawing and unloading device according to the height of the incoming waste paper bundle; if the incoming waste paper bundles are irregular (the front part of the waste paper bundles is high and the back part of the waste paper bundles is low or the front part of the waste paper bundles is low and the back part of the waste paper bundles is high), the positioning of the iron wire drawing and unloading device is deviated, and the control system can continuously adjust the position of the iron wire drawing and unloading device according to the measured height of the waste paper bundles, so that the manual intervention is reduced; realize production process automation, promote production efficiency.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of the automatic positioning algorithm of the iron wire drawing and unloading device of the present invention.
In the figure: 1-ultrasonic sensor, 2-encoder, 3-proximity switch.
Detailed Description
The invention will be further described with reference to the following examples of the drawings.
As shown in fig. 1, the automatic positioning system of the iron wire drawing and unloading device comprises an ultrasonic sensor 1, an encoder 2, a proximity switch 3, a proportional pressure valve and a programmable controller. The ultrasonic sensor 1 is arranged at the bottom of a cross beam above an inlet of the automatic iron wire shearing and drawing machine; the encoder 2 is arranged on a rotating shaft connected with the drawing and unloading iron wire device and the drawing and unloading device mounting frame; the proximity switch 3 is arranged on the mounting frame of the drawing and unloading device; the proportional pressure valve is connected with a lifting cylinder of the iron wire drawing and unloading device through an air pipe; and the programmable controller is connected with the ultrasonic sensor, the proximity switch and the proportional pressure valve through cables.
As shown in fig. 2, the control method of the automatic positioning system of the iron wire drawing and unloading device comprises the following steps:
(1) in the process of conveying the waste paper bundles into the automatic iron wire drawing and shearing machine, the ultrasonic sensor continuously measures the heights of a plurality of groups of waste paper bundles and transmits the heights to the programmable controller;
(2) the programmable controller calculates the height of the waste paper bundles by using the measured height values of several groups of waste paper bundles by adopting an arithmetic average method;
(3) the programmable controller records the numerical value of the encoder and the proximity switch signal when the drawing and unloading iron wire device is lifted, and calculates the actual position information of the drawing and unloading iron wire device;
(4) the programmable controller accurately calculates the position information of the waste paper bundles by knowing the automatic positioning information of the iron wire drawing and unloading device, and controls the proportional pressure valve to drive the lifting cylinder to accurately suspend the iron wire drawing and unloading device on the upper surfaces of the waste paper bundles;
in the step (3), the actual position information of the iron wire drawing and unloading device has an algorithm formula as follows: and X = H- (Z/K) 360C, wherein X is the distance between the drawn and unloaded iron wire device and the surface of the conveyor, H is the distance between the drawn and unloaded iron wire device and the surface of the conveyor when the drawn and unloaded iron wire device is lifted to the highest position, Z is the numerical value of the encoder, K is the pulse count output by one rotation of the encoder, and C is the number of pulses of the encoder corresponding to 1-degree lifting of the drawn and unloaded iron wire device.
In the step (4), the automatic positioning information of the iron wire drawing and unloading device is obtained by the following algorithm formula: y = B-X, where Y is the height to be lifted by the wire drawing and discharging device, B is the height of the used paper bale measured by ultrasonic waves, and X is the distance of the wire drawing and discharging device from the surface of the conveyor.
Claims (1)
1. Take out and unload indisputable silk device automatic positioning system, its characterized in that: the ultrasonic wave sensor, the encoder, the proximity switch, the proportional pressure valve and the programmable controller are included; the ultrasonic sensor is arranged at the bottom of a cross beam above an inlet of the automatic iron wire shearing and drawing machine; the encoder is arranged on a rotating shaft connected with the drawing and unloading iron wire device and the drawing and unloading device mounting frame; the proximity switch is arranged on the mounting rack of the drawing and unloading device; the proportional pressure valve is connected with a lifting cylinder of the iron wire drawing and unloading device through an air pipe; the programmable controller is connected with the ultrasonic sensor, the proximity switch and the proportional pressure valve through cables.
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CN202020010528.8U CN211642885U (en) | 2020-01-03 | 2020-01-03 | Automatic positioning system of iron wire drawing and unloading device |
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Cited By (1)
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CN111114929A (en) * | 2020-01-03 | 2020-05-08 | 长沙长泰智能装备有限公司 | Automatic positioning system of iron wire drawing and unloading device and control method |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111114929A (en) * | 2020-01-03 | 2020-05-08 | 长沙长泰智能装备有限公司 | Automatic positioning system of iron wire drawing and unloading device and control method |
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Address after: 410117 268 Xinxing Road, Yuhua Economic Development Zone, Changsha, Hunan Patentee after: China Light Changtai (Changsha) Intelligent Technology Co.,Ltd. Address before: 410117 268 Xinxing Road, Yuhua Economic Development Zone, Changsha, Hunan Patentee before: CHANGSHA CHAINT MACHINERY Co.,Ltd. |
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