CN115479737A - Device for automatically detecting blockage of conveying pipe - Google Patents
Device for automatically detecting blockage of conveying pipe Download PDFInfo
- Publication number
- CN115479737A CN115479737A CN202211074658.8A CN202211074658A CN115479737A CN 115479737 A CN115479737 A CN 115479737A CN 202211074658 A CN202211074658 A CN 202211074658A CN 115479737 A CN115479737 A CN 115479737A
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- pressure sensor
- blockage
- valve seat
- valve
- conveying pipe
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- 238000007789 sealing Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2807—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
- G01M3/2815—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes using pressure measurements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/08—Means for indicating or recording, e.g. for remote indication
- G01L19/083—Means for indicating or recording, e.g. for remote indication electrical
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Air Transport Of Granular Materials (AREA)
Abstract
The invention provides a device for automatically detecting the blockage of a conveying pipe, which comprises a pressure sensor, the conveying pipe, a valve seat and a control processor, wherein a small hole is formed in the valve or the valve seat to introduce compressed air, a pressure sensing head of the pressure sensor is communicated with the introduced compressed air, and a binding belt is pushed to the outlet end of an inner guide pipe of an automatic binding belt tool by the introduced compressed air; the pressure sensor is calibrated according to the condition of no blockage and is set with a switch value, the air pressure detected by the pressure sensor is lower than the set switch value when no blockage occurs, when the blockage occurs, the pressure sensor can detect high air pressure which is larger than the switch value, the pressure sensor can output an electric signal to the control processor, the control processor stops feeding and inputs compressed air to blow out the blocked cable tie, and the pressure sensor can detect whether the blocked cable tie is blown out successfully or not; the invention can automatically and immediately detect the blockage of the conveying pipe.
Description
Technical Field
The invention relates to a device for detecting pipe blockage, in particular to a device for automatically detecting the blockage of a conveying pipe.
Background
Conventionally, when materials are conveyed by using a pipe, because the conveyed objects are easily blocked inside the conveying pipe when the conveying pipe is worn, extruded or bent, especially in the occasion of conveying the objects for a long distance, when the blockage inside the conveying pipe occurs, the blockage is difficult to be checked, and whether the blockage of the conveying pipe occurs or not is difficult to be checked; at home and abroad, the automatic screw locking machine adopts pipes to convey screws or nuts, the chemical industry adopts pipes to convey small-particle objects, the handheld automatic binding tool which is once developed by the inventor also adopts pipes with square cross sections to convey binding tapes, the automatic screw locking machine or the automatic binding tool automatically works at high frequency, once a conveyed object is blocked in the conveying pipe and cannot be found and processed in time, the conveying pipe is still fed continuously, more serious interlinked blockage can easily occur, finally the conveying pipe is scrapped and is forced to be stopped to process faults, based on the application of conveying pipe feeding, a device for automatically and immediately detecting conveying pipe blockage is needed, and electric signals or/and visual signals can be fed back automatically, and the device for automatically detecting conveying pipe blockage is designed based on the requirement of the inventor.
Disclosure of Invention
The invention aims to solve the problem that the conveying pipe cannot be found in time because the conveying pipe is easy to be blocked when materials are conveyed by using a pipe, and particularly relates to a device for automatically detecting the blockage of the conveying pipe, which is designed for the application of an automatic binding tool or an automatic screwing machine in conveying a binding belt or a screw and can find and feed back a signal in time.
The invention is realized by the following technical scheme: the utility model provides an automatic detect device that conveyer pipe blockked up, includes pressure sensor, conveyer pipe, valve seat, control processor, still relevant spare part: an automatic binding tool and a binding tape pushing base; the structure is as follows: the pressure sensor is electrically connected with the control processor, the ribbon pushing base, the valve seat and the conveying pipe are connected in sequence, the ribbon pushing base, the valve seat and the conveying pipe are provided with a channel, the channel allows a ribbon to enter the conveying pipe, a small hole is formed in the valve or the valve seat to introduce compressed air, and a pressure sensing head of the pressure sensor is communicated with the introduced compressed air; the working mode and the working principle are as follows: the valve is opened, the ribbon is pushed into the delivery pipe and passes through the valve position, the valve is closed, the ribbon is pushed in the delivery pipe by the accessed compressed air and is pushed to the outlet end of the internal feeding pipe of the automatic ribbon tool, the air pressure in the delivery pipe is low if no blockage occurs during the delivery process of the ribbon in the delivery pipe, if the ribbon is blocked and does not move or moves slowly, the air pressure in the passage from the blocked position of the ribbon to the position of the valve, wherein the compressed air is introduced, the air pressure in the passage is increased sharply, the pressure sensor is calibrated according to the situation of no blockage, the air pressure detected by the pressure sensor is below the set switch value when no blockage occurs, the pressure sensor detects the air pressure value higher than the set switch value when the blockage occurs, the pressure sensor outputs an electric signal to the control processor to enable the control processor to stop feeding the ribbon and input the compressed air to blow the blocked ribbon, the pressure sensor can detect whether the blown ribbon is blown out by the compressed air, if the blowing process is successful, the pressure sensor outputs an electric signal, and if the automatic control processor detects the pressure sensor detects the high air pressure, the automatic ribbon control processor can detect the pressure sensor and can detect the pressure sensor, if the automatic ribbon control processor can detect the blockage, the automatic ribbon control processor can detect that the blockage detects the blockage.
The pressure sensor can convert an air pressure signal into an electric signal and can be electrically connected with an external circuit, the pressure sensor is directly arranged on the valve seat through a threaded joint, or a pressure sensing head of the pressure sensor is hermetically connected with a small hole on the valve seat or a small hole on the valve through a pipeline, and the pressure sensor can directly display a measured air pressure value; the section of the inner hole of the conveying pipe is consistent with the shape of an object to be conveyed, for a common ribbon or a nut, the section of the inner hole of the conveying pipe is rectangular, for a screw, the section of the inner hole of the conveying pipe is circular, for an integrated fixing ribbon for an automobile, the section of the inner hole of the conveying pipe is the same as the section of the head of the integrated fixing ribbon due to different shapes of the sections of the head of the integrated fixing ribbon; the valve can be driven to realize the opening and closing functions of the valve; the ribbon pushing base is provided with a channel for allowing a ribbon to pass through, the valve seat is provided with a channel, two ends of the channel of the valve seat are respectively communicated with the conveying pipe and the ribbon pushing base, one end of the channel of the valve seat is closed when the valve is closed, and a hole is formed in the valve or the valve seat for allowing compressed air to enter; the control processor is a programmable controller or a singlechip or a computer or a microchip.
The invention has the beneficial effects that:
1. for the application of conveying pipe feeding, a device for detecting the blockage of the conveying pipe is provided;
2. furthermore, a device for automatically detecting the blockage of the conveying pipe is provided for the application of conveying the conveying pipe, and an electric signal or/and a visual signal can be automatically fed back;
3. the reliability of the automatic conveying equipment is greatly improved;
4. for an automatic ribbon tool or an automatic screw locking machine, ribbon or screw blockage is automatically detected and automatically processed, namely, an automatic deviation correction function is added to the automation function of the equipment, and certain intelligence is added to the automation equipment.
Drawings
FIG. 1 isbase:Sub>A top view, A-A partial cross-sectional view, of an apparatus for automatically detecting the blockage ofbase:Sub>A delivery tube;
FIG. 2 is a left side view of an apparatus for automatically detecting clogging of a delivery tube;
FIG. 3 is an enlarged view of a portion B of FIG. 1, with the valve in an open state;
FIG. 4 is an enlarged cross-sectional view C-C corresponding to FIG. 2, showing the pressure sensor in coupled relation with the valve seat;
reference numerals are as follows: 1. an automatic band binding tool; 2. an inner duct; 3. a delivery pipe; 4. Binding; 5. A valve seat; 6. A valve; 7. a pressure sensor; 8. The binding belt pushes away the material base; 9. And a control processor.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
Examples
As shown in fig. 1, 2, 3 and 4, an apparatus for automatically detecting clogging of a delivery pipe includes: pressure sensor 7, conveyer pipe 3, valve 6, valve seat 5, control processor 9, relevant spare part still: the automatic binding tool comprises an automatic binding tool 1, a binding tape pushing base 8, an internal conveying pipe 2 and a binding tape 4; the pressure sensor 7 is electrically connected with the control processor 9, the band pushing base 8, the valve 6, the valve seat 5, the delivery pipe 3 and the automatic band tool 1 are connected in sequence, the valve seat 5 is provided with a channel, two ends of the channel of the valve seat 5 are respectively communicated with the band pushing base 8 and the delivery pipe 3, the valve 6 is closely adjacent to one end of the channel of the valve seat 5, the band pushing base 8 is also provided with a channel, the channel of the band pushing base 8 is aligned with the channel of the valve seat 5, the valve 6 is opened, the band 4 is pushed into the channel of the valve seat 5 through the channel of the band pushing base 8 and crosses over the position of the valve 6, the valve 6 is closed, the control processor 9 controls compressed air to enter the channel of the valve seat and pushes the band 4 to the automatic band tool 1, and if the band 4 runs smoothly in the delivery pipe 3 and the internal delivery pipe 2, the pressure sensor 7 measures a low air pressure value; setting a switch value, namely a threshold value, for the pressure sensor 7 under the condition of no blockage, wherein the switch value is 3% -10% higher than the low air pressure value measured by the pressure sensor when no blockage occurs, and the switch value is adjusted according to the comprehensive factors of the length of the delivery pipe 3, the leakage of the joint of the valve 6 and the valve seat 5, the leakage of the bandage 4 and the inner wall of the delivery pipe 3 and the like, if the bandage 4 is blocked in the channel of the valve seat 5 or any position in the delivery pipe 3 or the internal delivery pipe 2, the air pressure in the channel from the blocked position to the joint of the valve seat 5 and the valve 6 is sharply increased and is far higher than the set switch value; the pressure sensor 7 can automatically compare the measured air pressure value with the set switch value, if the measured air pressure value is lower than the set switch value, the pressure sensor can display the measured air pressure value but can not output an electric signal, if the measured air pressure value is higher than the set switch value, the pressure sensor can display the measured air pressure value and simultaneously output an electric signal, the control processor 9 can determine that the ribbon 4 is blocked in the valve seat 5 or the conveying pipe 3 or the inner conveying pipe 2 after receiving the high-air-pressure electric signal, the control processor 9 immediately stops the feeding action and introduces compressed air again to blow out the blocked ribbon 4; during the process of blowing the blocked ribbon 4 by introducing compressed air again, the pressure sensor 7 also measures the air pressure in the cavity of the channel of the valve seat 5, if the air pressure measured by the pressure sensor 7 is lower than the set switch value, the pressure sensor 7 does not output an electric signal, and the control processor 9 can judge that the blocked ribbon 4 is blown out; if the air pressure value measured by the pressure sensor 7 is higher than the set switch value, the pressure sensor 7 outputs an electric signal again, the control processor 9 can judge that the blocked cable tie 4 is not blown out, the blockage failure is automatically processed, and the control processor 9 controls the machine to stop running and sends a blockage alarm to require manual intervention.
Appropriate changes and modifications to the embodiments described above will become apparent to those skilled in the art from the disclosure and teachings of the foregoing description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (7)
1. The utility model provides an automatic detect device of conveyer pipe jam which characterized in that: comprises a pressure sensor, a delivery pipe, a valve seat and a control processor; the pressure sensor can convert an air pressure signal into an electric signal, the pressure sensor is electrically connected with the control processor, the valve seat and the conveying pipe are connected in sequence, the valve can be driven to realize the opening and closing functions of the valve, the valve seat is provided with a channel, one end of the channel of the valve seat is closed when the valve is closed, a small hole is formed in the valve or the valve seat to introduce compressed air, and a pressure sensing head of the pressure sensor is communicated with the introduced compressed air; the pressure sensor is calibrated according to the condition of no blockage and is set with an air pressure switch value, the air pressure detected by the pressure sensor is below the set switch value when no blockage occurs, the pressure sensor can detect the air pressure value higher than the set switch value when the blockage occurs, and the pressure sensor can output an electric signal to the control processor when the air pressure higher than the set switch value is detected.
2. The apparatus for automatically detecting the blockage of the delivery pipe according to claim 1, wherein: the pressure sensor is directly installed on the valve seat through a threaded connector, or a pressure sensing head of the pressure sensor is connected with a small hole on the valve seat or a small hole on the valve in a sealing mode through a pipeline.
3. The apparatus for automatically detecting the clogging of a transport pipe according to claim 1, wherein: the pressure sensor can directly display the measured air pressure value.
4. The apparatus for automatically detecting the clogging of a transport pipe according to claim 1, wherein: the inner hole section of the conveying pipe is the same as the section of the conveyed object in shape.
5. The apparatus for automatically detecting the clogging of a transport pipe according to claim 1 or 4, wherein: for a common cable tie or a common nut, the section of an inner hole of the conveying pipe is rectangular.
6. An apparatus for automatically detecting clogging of a transport pipe according to claim 1 or 4, wherein: for screws, the inner bore of the delivery tube is circular in cross-section.
7. The apparatus for automatically detecting the blockage of the delivery pipe according to claim 1, wherein: the control processor is a programmable controller or a singlechip or a computer or a microchip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211074658.8A CN115479737A (en) | 2017-01-11 | 2017-01-11 | Device for automatically detecting blockage of conveying pipe |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211074658.8A CN115479737A (en) | 2017-01-11 | 2017-01-11 | Device for automatically detecting blockage of conveying pipe |
| CN201710019006.7A CN107063332B (en) | 2017-01-11 | 2017-01-11 | Device for automatically detecting blockage of conveying pipe |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710019006.7A Division CN107063332B (en) | 2017-01-11 | 2017-01-11 | Device for automatically detecting blockage of conveying pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115479737A true CN115479737A (en) | 2022-12-16 |
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ID=59597838
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710019006.7A Active CN107063332B (en) | 2017-01-11 | 2017-01-11 | Device for automatically detecting blockage of conveying pipe |
| CN202211074658.8A Pending CN115479737A (en) | 2017-01-11 | 2017-01-11 | Device for automatically detecting blockage of conveying pipe |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710019006.7A Active CN107063332B (en) | 2017-01-11 | 2017-01-11 | Device for automatically detecting blockage of conveying pipe |
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| Country | Link |
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| CN (2) | CN107063332B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09323822A (en) * | 1996-06-04 | 1997-12-16 | Babcock Hitachi Kk | Clogging purging for powder and granular material transporting pipe and device thereof |
| CN1865102A (en) * | 2005-05-18 | 2006-11-22 | 贵阳铝镁设计研究院 | Automatic dredging method and device for pneumatic convey system |
| CN200946708Y (en) * | 2006-09-12 | 2007-09-12 | 马莉 | Automatic opening and closing blowing-assistant valve for pneumatic conveying |
| CN201083591Y (en) * | 2007-07-20 | 2008-07-09 | 比亚迪股份有限公司 | Silencer air tightness detection device |
| CN201410485Y (en) * | 2009-06-04 | 2010-02-24 | 广州创特技术有限公司 | Air conveying cleaning device |
| CN202038727U (en) * | 2011-04-21 | 2011-11-16 | 何秀锦 | Pneumatic transmission system |
| CN103644457A (en) * | 2013-12-13 | 2014-03-19 | 东北石油大学 | Pipeline blockage positioning method and device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101225897B (en) * | 2007-01-20 | 2011-09-28 | 马莉 | Aid blowing valve for pneumatic conveyance capable of opening and closing automatically |
| CN101462644A (en) * | 2007-12-19 | 2009-06-24 | 青岛高校软控股份有限公司 | Pneumatic conveying pipeline with two auxiliary pipes |
| CN102219120A (en) * | 2011-06-15 | 2011-10-19 | 南京工业职业技术学院 | Pipeline blowing-aided anti-explosion pneumatic transmission system |
| GB2522847B (en) * | 2014-02-05 | 2017-02-22 | Rolls Royce Plc | Method and system for detecting a flow blockage in a pipe |
| CN106049328A (en) * | 2015-04-10 | 2016-10-26 | 苏州宝时得电动工具有限公司 | Blowing and sucking device |
| CN206369556U (en) * | 2017-01-11 | 2017-08-01 | 许修义 | A kind of automatic detection conveys the device of blockage |
-
2017
- 2017-01-11 CN CN201710019006.7A patent/CN107063332B/en active Active
- 2017-01-11 CN CN202211074658.8A patent/CN115479737A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09323822A (en) * | 1996-06-04 | 1997-12-16 | Babcock Hitachi Kk | Clogging purging for powder and granular material transporting pipe and device thereof |
| CN1865102A (en) * | 2005-05-18 | 2006-11-22 | 贵阳铝镁设计研究院 | Automatic dredging method and device for pneumatic convey system |
| CN200946708Y (en) * | 2006-09-12 | 2007-09-12 | 马莉 | Automatic opening and closing blowing-assistant valve for pneumatic conveying |
| CN201083591Y (en) * | 2007-07-20 | 2008-07-09 | 比亚迪股份有限公司 | Silencer air tightness detection device |
| CN201410485Y (en) * | 2009-06-04 | 2010-02-24 | 广州创特技术有限公司 | Air conveying cleaning device |
| CN202038727U (en) * | 2011-04-21 | 2011-11-16 | 何秀锦 | Pneumatic transmission system |
| CN103644457A (en) * | 2013-12-13 | 2014-03-19 | 东北石油大学 | Pipeline blockage positioning method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107063332A (en) | 2017-08-18 |
| CN107063332B (en) | 2022-10-21 |
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