CN113466966A - Automatic correction metal detection device - Google Patents
Automatic correction metal detection device Download PDFInfo
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- CN113466966A CN113466966A CN202110880974.3A CN202110880974A CN113466966A CN 113466966 A CN113466966 A CN 113466966A CN 202110880974 A CN202110880974 A CN 202110880974A CN 113466966 A CN113466966 A CN 113466966A
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- 238000001514 detection method Methods 0.000 title claims abstract description 99
- 239000002184 metal Substances 0.000 title claims abstract description 73
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 73
- 238000012360 testing method Methods 0.000 claims abstract description 147
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 20
- 229910001220 stainless steel Inorganic materials 0.000 claims description 18
- 239000010935 stainless steel Substances 0.000 claims description 18
- 229910052742 iron Inorganic materials 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 2
- 230000035945 sensitivity Effects 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V13/00—Manufacturing, calibrating, cleaning, or repairing instruments or devices covered by groups G01V1/00 – G01V11/00
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
- G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Geophysics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Manufacturing & Machinery (AREA)
- Electromagnetism (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- Control Of Conveyors (AREA)
- Geophysics And Detection Of Objects (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The invention relates to an automatic correction metal detection device capable of automatically testing a metal detection device and improving the detection accuracy and reliability of the metal detection device, which comprises a rack, a control device arranged on the rack, a detector, a first conveying device and at least one second conveying device, wherein the detector is provided with a detection area, the first conveying device is provided with a continuously moving first conveying belt, the first conveying device is defined as a longitudinal direction extending along the conveying direction of the first conveying belt and a transverse direction extending along the width direction of the first conveying belt, the second conveying device is provided with a continuously moving second conveying belt, at least one test piece for testing the detector is arranged on the second conveying belt at intervals along the conveying direction of the second conveying belt, the detection area covers the transverse area of the first conveying belt and the transverse area of the second conveying belt, and the control device is respectively connected with the detector, The first conveying device and the second conveying device are electrically connected.
Description
Technical Field
The invention relates to an automatic correction metal detection device.
Background
The metal detection device is an instrument for detecting metal by applying an electromagnetic induction principle. Generally, a metal detection device consists of two parts, namely a metal detector and an automatic rejecting device, wherein the detector is a core part. Three groups of coils, namely a central transmitting coil and two equivalent receiving coils, are distributed in the detector, a high-frequency variable magnetic field is generated by an oscillator connected with the middle transmitting coil, and induced voltages of the receiving coils at two sides are mutually counteracted before the magnetic field is not interfered in an idle state so as to reach a balanced state. Once metal impurities enter the magnetic field area, the magnetic field is disturbed, the balance is broken, the induced voltages of the two receiving coils cannot be counteracted, the non-counteracted induced voltages are amplified by the control system, and an alarm signal is generated. During the production process of the paper diaper, a metal detection device is generally required to be used for detection.
The structure of the existing metal detection device of disposable sanitary products such as paper diapers, sanitary napkins, pull-ups and the like is as follows: 201921907778.5, the metal detection device comprises a frame, a metal detection device is fixed on the frame, a synchronous belt passes through the metal detection device, the synchronous belt comprises two horizontally arranged driven shafts and a driving shaft below the two driven shafts, the synchronous belt is sleeved on the two driven shafts and the driving shaft, when in use, a packaged product is placed on the synchronous belt and conveyed to pass through a detection area of the metal detection device to realize detection; however, the metal detection device is selectively detected, the control of an electronic element is unstable, the problems of detection errors and missed detection are easy to occur, and the manufacturer is not affected slightly, so that most manufacturers stipulate that the metal detection device needs to be tested and corrected under the conditions that the metal detection device is turned on and turned off and runs for one hour, and the problems caused by the defects of the metal detection device are reduced; however, the test mode is that the product is stopped to be conveyed, the test product is manually conveyed and transferred to the conveying belt, and the test is carried out for multiple times, so that the test is complicated, the workload of detection personnel is increased, the manual detection mode does not form a mandatory requirement, and if the inertia of the detection personnel is low, corresponding detection and correction processes are left, so that the problems of detection errors and detection omission are easily caused.
Disclosure of Invention
Therefore, in view of the above problems, the present invention provides an automatic calibration metal detection apparatus capable of automatically testing a metal detection apparatus and improving the detection accuracy and reliability of the metal detection apparatus.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an automatic correction metal detection device, includes the frame, locates controlling means, detector, first conveyor, at least one second conveyor in the frame, the detector has a detection area, the last first conveyer belt that has a continuous motion of first conveyor, the conveying direction extension that the definition is followed first conveyer belt is for longitudinal direction, extends for transverse direction along its width direction, the last second conveyer belt that has a continuous motion of second conveyor, be equipped with at least one test piece that is used for testing the detector along its conveying direction interval on the second conveyer belt, detection area covers the transverse area of first conveyer belt and second conveyer belt in the detection area, controlling means is connected with detector, first conveyor and second conveyor electricity respectively.
Further, the second conveyer belt distributes in the upside of first conveyer belt.
Furthermore, the number of the second conveying devices is three, and the second conveying devices are arranged side by side along the transverse direction.
Furthermore, a cross beam is arranged on the rack, a channel is formed between the rack and the cross beam, the detector is arranged on the cross beam, the detection area covers the channel, and the first conveying belt and the second conveying belt penetrate through the channel.
Furthermore, the test piece is a metal test block or a mixed test block with a metal test block placed in the product.
Further, the metal test block is a stainless steel test block with the diameter size of 2.5mm or an iron test block with the diameter size of 1.5 mm.
Furthermore, the metal test block in the mixed test block is arranged at the upper part of the product or the metal test block is arranged at the middle part of the product or the metal test block is arranged at the lower part of the product.
Furthermore, the second conveying belt is sleeved outside the detector.
Further, the interval is equipped with eight test pieces on the second conveyer belt, and is the mixed test piece on product upper portion, the mixed test piece at product middle part is located to stainless steel test piece, indisputable test piece, stainless steel test piece in proper order, and the mixed test piece of product lower part is located to stainless steel test piece, the mixed test piece of product upper portion is located to indisputable test piece, mixed test piece and the mixed test piece of product lower part are located to indisputable test piece, indisputable test piece located the mixed test piece of product middle part and indisputable test piece.
By adopting the technical scheme, the invention has the beneficial effects that: when equipment is started and shut down and equipment runs every hour, the automatic correction metal detection device controls the first conveying device to stop conveying products to pass through the detection area of the detector through the control device, controls the second conveying device to run at the same time, and conveys test pieces on the second conveying device to pass through the detection area, so that whether the running state of the detector is good or not is tested. The equipment realizes automatic timing test of the metal detection device by controlling the operation of the first conveying device and the second conveying device, ensures the metal detection of products, and improves the metal detection accuracy and reliability of the metal detection device.
Drawings
FIG. 1 is a schematic top view of a first embodiment of the present invention;
FIG. 2 is a schematic front view of a second embodiment of the present invention;
FIG. 3 is a schematic perspective view of the second embodiment of the present invention without the second conveying device;
fig. 4 is a schematic front view of another embodiment of the present invention.
Detailed Description
The invention will now be further described with reference to the accompanying drawings and detailed description.
The embodiment of the invention is as follows:
the first embodiment is as follows:
referring to fig. 1, an automatic correction metal detection device includes a frame 1, a control device 2 disposed on the frame 1, a detector, a first conveying device 3, and a second conveying device 4, wherein the detector has a detection area, the first conveying device 3 includes a first driving motor 31, a first driving roller 32 disposed on the first driving motor 31, a first driven roller 33 disposed on the frame 1, and a first conveying belt 34 wound around the first driving roller 32 and the first driven roller 33, the first driving roller 32 is driven by the first driving motor 31 to rotate, and the first conveying belt 34 is tensioned by the first driven roller 33 to realize continuous movement of the first conveying belt 34 for conveying a product 20, the first conveying belt 34 is defined as extending in a longitudinal direction along a conveying direction of the first conveying belt 34 and in a transverse direction along a width direction thereof, and the second conveying device 4 includes a second driving motor 41, A second driving roller 42 disposed on the second driving motor 41, a second driven roller 43 disposed on the frame 1, and a second conveying belt 44 wound around the second driving roller 42 and the second driven roller 43, wherein the second driving roller 42 is driven by the second driving motor 41 to rotate, and the second conveying belt 44 is tensioned and rested by the second driven roller 43, so as to realize continuous movement of the second conveying belt 44, so as to convey the test piece 10 fixed on the second conveying belt 44, the test piece 10 can be adhered or locked by a bolt or hooked on the second conveying belt 44, at least one test piece 10 for testing a detector is disposed on the second conveying belt 44 at intervals along the conveying direction, the detection area covers the transverse area of the first conveying belt 34 and the transverse area of the second conveying belt 44, that is, the first conveying belt 34 and the second conveying belt 44 enter and penetrate through the detection area, when the first conveying belt 34 conveys the product 20 and the second conveying belt 44 conveys the test piece 10 through the detection area, can be identified and detected by a detector, and the control device 2 is electrically connected to the detector, the first drive motor 31 and the second drive motor 41, respectively.
When the number of the second conveying devices 4 is one, the automatic correction metal detection device controls the first conveying device 3 to stop conveying the products 20 to detect through the detection area of the detector through the control device 2 when the equipment is started and shut down and the equipment runs at an interval of one hour every time, and controls the second conveying device 4 to run at the same time, so that the test pieces 10 on the second conveying device 4 are conveyed to pass through the detection area, and whether the running state of the detector is good or not is tested. The equipment realizes automatic timing test of the metal detection device by controlling the operation of the first conveying device 3 and the second conveying device 4, ensures the metal detection of the product 20, and improves the metal detection accuracy and reliability of the metal detection device.
Example two:
referring to fig. 2, 3 and 4, the second conveyer belts 44 are distributed on the upper side of the first conveyer belt 34, when the number of the second conveyer devices 4 is two or more, the distance between the second conveyer devices 4 is 20mm, and the second conveyer devices 4 are arranged side by side in the transverse direction, the orthographic projection of each second conveyer belt 44 is distributed on the first conveyer belt 34, the second conveyer belt 44 on each second conveyer device 4 is provided with the test piece 10, in the test, the control device 2 controls each second conveyer device 4 to sequentially operate, so that the test pieces 10 on each second conveyer belt 44 sequentially pass through the detection area of the detector, and each position in the transverse direction of the detection area is uniformly tested, thereby greatly improving the test accuracy, further improving the accuracy and reliability of the detection process of the product 20, theoretically, the number of the second conveyer devices 4 is increased, the higher its test accuracy is, its cost that drops into also increases along with it, and is preferred, and 4 numbers of second conveyor are three, and when setting up side by side along transversely, the cost that drops into realizes economic maximize with the accuracy of test, has guaranteed that the horizontal both sides and the horizontal middle part of detection area all test.
It should be noted that the orthographic projection of each second conveyor belt 44 is distributed on the first conveyor belt 34, and the width dimension of the two lateral side edges of the orthographic projection of the second conveyor belt 44 is equal to or slightly larger than the lateral width dimension of the first conveyor belt 34, so that the test area of the test piece 10 during the test can completely cover the lateral area of the product 20 placed on the first conveyor belt 34, and the test accuracy is guaranteed to be kept at a high level.
And, be equipped with crossbeam 5 on the frame 1, form a passageway 6 between frame 1 and the crossbeam 5, the detector is located on the crossbeam 5, the detection area covers in this passageway 6, first conveyer belt 34 and second conveyer belt 44 all run through in the passageway 6, the detector outside is located to the second conveyer belt 44 cover, when setting up a plurality of test pieces 10 on same second conveyer belt 44, guarantee that test piece 10 can be in the detection area alone, make full use of second conveyer belt 44's distribution space simultaneously reduces second conveyer belt 44's the length that sets up, improves the economic nature to two adjacent test pieces 10 on reducing same second conveyer belt 44 influence each other in the test procedure, improved the accuracy of test.
In this embodiment, the mixed test piece that has placed metal test piece in test piece 10 for metal test piece or the product, metal test piece is diameter size and is 2.5 mm's stainless steel test piece or diameter size and is 1.5 mm's iron test piece, the upper portion that the product was located to metal test piece or metal test piece in the mixed test piece locate the middle part of product or the lower part that the product was located to metal test piece or metal test piece, test detection area through the test piece of multiple structure, can fully simulate out the detection situation of metal detection device to the product, improve the reliability of test.
The test piece 10 may be a test block made of metal such as stainless steel or copper.
Specifically, the interval is equipped with eight test pieces 10 on second conveyer belt 44, and be stainless steel test piece, indisputable test piece, the mixed test piece on product upper portion is located to stainless steel test piece, the mixed test piece at product middle part is located to stainless steel test piece, the mixed test piece of product lower part is located to stainless steel test piece, the mixed test piece on product upper portion is located to indisputable test piece, mixed test piece and the indisputable test piece that product lower part is located to the mixed test piece that product middle part was located to indisputable test piece, through the categorised test of multiple test piece structure, make metal detection device's test reliability improve, and then guarantee that metal detection device's detection error is little.
When the equipment is started, shut down or runs for one hour every time, the equipment is controlled to enter a test mode through the control device 2, namely the control device 1 controls the first conveying device 3 to stop conveying the products 20 to detect through the detection area of the detector, and simultaneously the second conveying device 4 is controlled to run sequentially from left to right, so that the stainless steel test blocks on the second conveying belts 44 sequentially pass through the detection area, and it is worth noting that only one test piece 10 exists in the detection area, when the test piece 10 enters the detection area of the detector, the equipment gives an alarm, the first conveying device 3 and the second conveying device 4 are stopped simultaneously, after the manual confirmation or the control device presets the stop time, the first conveying device 3 is continuously started, and the iron test blocks and the stainless steel test blocks on the three second conveying belts 44 are arranged on the mixed test block at the upper part of the product, The mixed test block with the stainless steel test block arranged in the middle of the product, the mixed test block with the stainless steel test block arranged in the lower part of the product, the mixed test block with the iron test block arranged in the upper part of the product, the mixed test block with the iron test block arranged in the middle of the product and the mixed test block with the iron test block arranged in the lower part of the product are sequentially detected through the detection area, and the condition indicates that the sensitivity of the metal detection device is qualified, when any one of the detection members enters the detection area without alarm and stops the operation of the first conveyor 3 and the second conveyor 4, the sensitivity of the metal detection device is unstable, the second conveying device 4 for conveying the detection piece needs to be controlled to rotate reversely, then is normally installed again, and is used for continuously detecting three times, if the detection can be carried out for three times, the sensitivity of the metal detection device is qualified, if the sensitivity is not detected, the metal detection device needs to be adjusted, maintained and tested again, and the product 20 can be detected after the sensitivity is qualified.
When the products 20 are detected, the control device 2 controls the first conveying device 3 to convey the products 20 to pass through the detection area of the detector for detection, when the metal detection device gives an alarm, the control device 2 controls the first conveying device 3 to rotate reversely and rotate forwards again, so that the product 20 is continuously detected for three times, when the alarm does not appear, the control device controls the first conveying device 3 to convey the product to continue running detection, when one or two alarms appear, the control device 2 controls the rejecting device 7 to reject the waste into inferior products, and then the inferior products are manually detected, and the control equipment enters a test mode for detection, when three times of alarm occurs, the control device 2 controls the waste removing device 7 to remove the products which are classified as unqualified products, and then the control device controls the first conveying device 3 to convey the products 20 for continuous detection through manual detection.
In addition, in order to avoid the blockage of the test piece 10 and the product 20 on the first conveying device 3 in the channel 6, the baffle plate is arranged at the input end of the first conveying device 3, and the driving cylinder for driving the baffle plate to move and blocking the product 20 is arranged at the input end of the first conveying device 3, when the device enters a test mode, the product is blocked outside the channel 6 through the baffle plate, the influence of the product 20 on the test is avoided, and the test accuracy is improved.
Of course, the second conveyor belts 44 of the second conveying devices 4 can be used to fix test pieces 10 with different specifications, and the test is realized by sequentially driving the test pieces 10 on the second conveyor belts 44 of the second conveying devices 4 to sequentially pass through the detection area.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. An automatic correction metal detection device which characterized in that: including the frame, locate controlling means, detector, first conveyor, at least one second conveyor in the frame, the detector has a detection area, the first conveyer belt that has a continuous motion on the first conveyor extends for longitudinal direction along the direction of delivery of first conveyer belt, extends for transverse direction along its width direction, the second conveyer belt that has a continuous motion on the second conveyor, be equipped with at least one test piece that is used for testing the detector along its direction of delivery interval on the second conveyer belt, detection area covers in the transverse area of first conveyer belt and the transverse area of second conveyer belt, controlling means is connected with detector, first conveyor and second conveyor electricity respectively.
2. The self-calibrating metal detector apparatus of claim 1, wherein: the second conveyer belt distributes in the upside of first conveyer belt.
3. The self-correcting metal detection device according to claim 1 or 2, wherein: the number of the second conveying devices is three, and the second conveying devices are arranged side by side along the transverse direction.
4. The self-calibrating metal detector apparatus of claim 3, wherein: the detector is arranged on the cross beam, the detection area covers the channel, and the first conveying belt and the second conveying belt penetrate through the channel.
5. The self-correcting metal detection device according to claim 1 or 2, wherein: the test piece is a metal test block or a mixed test block with a metal test block placed in a product.
6. The self-calibrating metal detector apparatus of claim 5, wherein: the metal test block is a stainless steel test block with the diameter size of 2.5mm or an iron test block with the diameter size of 1.5 mm.
7. The self-calibrating metal detector apparatus of claim 6, wherein: the metal test block in the mixed test block is arranged at the upper part of the product, or the metal test block is arranged at the middle part of the product, or the metal test block is arranged at the lower part of the product.
8. The self-calibrating metal detector apparatus of claim 7, wherein: the second conveying belt is sleeved outside the detector.
9. The self-calibrating metal detector apparatus of claim 8, wherein: eight test pieces are arranged on the second conveying belt at intervals, and a mixed test block on the upper portion of the product is arranged on the stainless steel test block, a mixed test block on the middle portion of the product is arranged on the stainless steel test block, a mixed test block on the lower portion of the product is arranged on the stainless steel test block, a mixed test block on the upper portion of the product is arranged on the iron test block, a mixed test block on the middle portion of the product is arranged on the iron test block, and a mixed test block on the lower portion of the product is arranged on the iron test block.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110880974.3A CN113466966B (en) | 2021-08-02 | 2021-08-02 | Automatic correction metal detection device |
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|---|---|---|---|
| CN202110880974.3A CN113466966B (en) | 2021-08-02 | 2021-08-02 | Automatic correction metal detection device |
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| CN113466966A true CN113466966A (en) | 2021-10-01 |
| CN113466966B CN113466966B (en) | 2024-03-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4357820A1 (en) * | 2022-10-21 | 2024-04-24 | Cassel Meßtechnik GmbH | Method and device for detecting metal bodies in test objects |
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| CN113466966B (en) | 2024-03-19 |
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