CN113351515B - Method for measuring inner diameter of silencing cotton box - Google Patents
Method for measuring inner diameter of silencing cotton box Download PDFInfo
- Publication number
- CN113351515B CN113351515B CN202010145234.0A CN202010145234A CN113351515B CN 113351515 B CN113351515 B CN 113351515B CN 202010145234 A CN202010145234 A CN 202010145234A CN 113351515 B CN113351515 B CN 113351515B
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- Prior art keywords
- silencing cotton
- cotton box
- laser
- inner diameter
- measuring
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- 229920000742 Cotton Polymers 0.000 title claims abstract description 56
- 230000030279 gene silencing Effects 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 230000002950 deficient Effects 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 4
- 241000252254 Catostomidae Species 0.000 claims description 3
- 238000001514 detection method Methods 0.000 description 8
- 238000013016 damping Methods 0.000 description 3
- 239000011358 absorbing material Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000010057 rubber processing Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Abstract
The invention provides a method for measuring the inner diameter of a silencing cotton box, which comprises (1) positioning the silencing cotton box by the side; (2) Two opposite and fixed laser rangefinders in the same group are respectively aligned with two opposite surfaces of the silencing cotton box, the distance between the laser rangefinder and the corresponding surface is measured, and then the measured two distances are added with the distance between the two laser rangefinders to obtain the distance between the two opposite surfaces of the silencing cotton box; (3) Comparing the distances between two opposite faces of the silencing cotton box measured by the three groups of laser ranging mechanisms with a preset value of the system, judging the silencing cotton as a temporary qualified product by the system if the three groups of data are within a tolerance range, and judging the silencing cotton as a defective product by the system if one group of data in the three groups of data exceeds the tolerance range; (4) The laser ranging device rotates 180 degrees, and each group of laser ranging mechanism measures the distance between the other two opposite surfaces according to the step (2) and the step (3) and makes judgment. The invention adopts the laser ranging mode to measure the inner diameter of the silencing cotton box, which is not only rapid but also accurate.
Description
Technical Field
The invention relates to the field of rubber processing, in particular to a method for measuring the inner diameter of a silencing cotton box.
Background
A noise-damping cotton box for home appliances such as ice washing is composed of an aluminium sheet and a sound-absorbing material such as felt. The inner diameter of the silencing cotton box is the critical size, and full inspection is needed before shipment. At present, a profiling detection method is adopted for detecting the inner diameter of the silencing cotton box, namely the silencing cotton box is reversely buckled in a profiling block, but the detection error of the method is larger, and customer complaints are often caused.
Disclosure of Invention
The invention aims to provide an inner diameter measuring method of a silencing cotton box, which is used for improving inner diameter detection precision.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
An inner diameter measuring method of a noise reduction cotton box comprises the following steps:
the device comprises a carrying disc, a sound-deadening cotton box and a sound-deadening cotton box, wherein coarse positioning is arranged in the carrying disc, and at least two suckers are arranged on one side surface of the carrying disc;
The laser testing device is arranged above the carrying disc and is driven by the YZ-axis manipulator to move up and down; the laser testing device comprises a rotator, a fixing frame and three groups of laser ranging mechanisms which are arranged in a straight line in the horizontal direction and are arranged at the bottom of the fixing frame, and the rotator drives the fixing frame to rotate for 180 degrees at fixed points; each group of laser ranging mechanism consists of two opposite laser rangefinders; the method comprises the following steps:
(1) Positioning the silencing cotton box by the side;
(2) Two opposite and fixed laser rangefinders in the same group are respectively aligned with two opposite surfaces of the silencing cotton box, the distance between the laser rangefinder and the corresponding surface is measured, and then the measured two distances are added with the distance between the two laser rangefinders to obtain the distance between the two opposite surfaces of the silencing cotton box;
(3) Comparing the distances between two opposite faces of the silencing cotton box measured by the three groups of laser ranging mechanisms with a preset value of the system, judging the silencing cotton as a temporary qualified product by the system if the three groups of data are within a tolerance range, and judging the silencing cotton as a defective product by the system if one group of data in the three groups of data exceeds the tolerance range;
(4) The laser ranging device rotates 180 degrees, and each group of laser ranging mechanism measures the distance between the other two opposite surfaces according to the step (2) and the step (3) and makes judgment.
Compared with the related art, the invention has the following beneficial effects: the laser range finder is used for measuring the inner diameter of the silencing cotton box, so that the silencing cotton box is rapid and accurate.
Drawings
FIG. 1 is a front view of an inner diameter measuring method of a noise damping cotton box;
Fig. 2 is a structural view of an inner diameter measuring method of a noise damping cotton box.
Detailed Description
The invention will be further described with reference to the drawings and embodiments.
Examples
Referring to fig. 1, an inner diameter measuring method of a silencing cotton box includes a carrying tray 10 for placing the silencing cotton box and a laser testing device disposed above the carrying tray 10, wherein a coarse positioning is disposed in the carrying tray 10, and at least two suckers 20 are disposed on one side of the carrying tray 10. The laser testing device is driven to move up and down by the YZ-axis mechanical arm 30. The laser ranging device comprises a rotator 40, a fixed frame 50 and three groups of laser ranging mechanisms which are arranged in a straight line at the bottom of the fixed frame in the horizontal direction, wherein the rotator is preferably a rotary cylinder, and the rotator drives the fixed frame to rotate 180 degrees at fixed points; each set of laser ranging mechanism consists of two opposing laser rangefinders 60; each side of the fixing frame is provided with three mounting blocks, and six laser range finders are mounted in the corresponding mounting blocks.
The detection mode of the detector is as follows:
(1) Sucking disc 20 adopts negative pressure to suck the silencing cotton box to one side of carrying disc 10 to be positioned by side;
(2) Two opposite and fixed laser measuring instruments in the same group are respectively aligned with two opposite surfaces of the silencing cotton box, the distance between the laser distance measuring instrument and the corresponding surface is measured, and then the measured two distances are added with the distance between the two laser distance measuring instruments to obtain the distance between the two opposite surfaces of the silencing cotton box;
(3) Comparing the distances between two opposite faces of the silencing cotton box measured by the three groups of laser ranging mechanisms with a preset value of the system, judging the silencing cotton as a temporary qualified product by the system if the three groups of data are within a tolerance range, and judging the silencing cotton as a defective product by the system if one group of data in the three groups of data exceeds the tolerance range;
(4) The laser ranging device rotates 180 degrees, each group of laser ranging mechanism measures the distance between the other two opposite surfaces according to the step (2) and the step (3) and makes a judgment, and the system judges the NG of one opposite surface as long as the distance between the opposite surfaces exceeds the preset tolerance of the system.
Referring to fig. 2, a sliding table 70 in the X axial direction is arranged below the carrier disc 10, the carrier disc 10 is mounted on the sliding table through a sliding block, after the inner diameter detection is finished, the carrier disc 10 moves to the other end of the sliding table, and blanking is realized by an NG mechanical arm or a qualified product mechanical arm.
The side of the carrying disc 10 is provided with a carrying platform 80 and a feeding mechanism 90, the carrying platform comprises a vertical guide rail 81, a carrying platform 82 and a servo screw rod lifter 83, the carrying platform is connected to the vertical guide rail in a sliding manner, and the servo screw rod lifter drives the carrying platform to lift up and down. The feeding mechanism comprises an XZ-axis mechanical arm 91 and two clamping plates 92, wherein an installation table is arranged on the Z axis of the XZ-axis mechanical arm, two air cylinders 93 are respectively arranged on two sides of the installation table, and the clamping plates are arranged on corresponding air cylinder telescopic rods. The feeding mechanism carries the layered silencing cotton boxes into the carrying tray 10, so that automatic feeding is realized, and the degree of automation of detection of the silencing cotton boxes is improved.
The sliding table can be provided with a plurality of carrier plates 10 connected in a row, and a plurality of carrier platforms connected in a row are arranged at the side of the carrier plates 10, so that the inner diameter detection of a plurality of silencing cotton boxes can be completed by one-time feeding, and the detection efficiency of the silencing cotton boxes is improved.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (8)
1. An inner diameter measuring method of a noise reduction cotton box comprises the following steps:
the device comprises a carrying disc, a sound-deadening cotton box and a sound-deadening cotton box, wherein coarse positioning is arranged in the carrying disc, and at least two suckers are arranged on one side surface of the carrying disc;
The laser testing device is arranged above the carrying disc and is driven by the YZ-axis manipulator to move up and down; the laser testing device comprises a rotator, a fixing frame and three groups of laser ranging mechanisms which are arranged in a straight line in the horizontal direction and are arranged at the bottom of the fixing frame, and the rotator drives the fixing frame to rotate for 180 degrees at fixed points; each group of laser ranging mechanism consists of two opposite laser rangefinders; the method is characterized by comprising the following steps of:
(1) Positioning the silencing cotton box by the side;
(2) Two opposite and fixed laser rangefinders in the same group are respectively aligned with two opposite surfaces of the silencing cotton box, the distance between the laser rangefinder and the corresponding surface is measured, and then the measured two distances are added with the distance between the two laser rangefinders to obtain the distance between the two opposite surfaces of the silencing cotton box;
(3) Comparing the distances between two opposite faces of the silencing cotton box measured by the three groups of laser ranging mechanisms with a preset value of the system, judging the silencing cotton as a temporary qualified product by the system if the three groups of data are within a tolerance range, and judging the silencing cotton as a defective product by the system if one group of data in the three groups of data exceeds the tolerance range;
(4) The laser ranging device rotates 180 degrees, and each group of laser ranging mechanism measures the distance between the other two opposite surfaces according to the step (2) and the step (3) and makes judgment.
2. The method for measuring the inner diameter of a silencing cotton case according to claim 1, wherein the rotator is a rotary cylinder.
3. The method for measuring the inner diameter of the silencing cotton box according to claim 1, wherein three mounting blocks are arranged on each side of the fixing frame, and six laser rangefinders are mounted in the corresponding mounting blocks.
4. The method for measuring the inner diameter of the silencing cotton box according to claim 1, wherein an X-axis sliding table is arranged below the carrying disc, and the carrying disc is mounted on the sliding table through a sliding block.
5. The method for measuring the inner diameter of the silencing cotton box according to claim 1, wherein a loading platform and a loading mechanism are arranged beside the loading disc, the loading platform comprises a vertical guide rail, a loading platform and a servo screw rod lifter, the loading platform is slidingly connected to the vertical guide rail, and the servo screw rod lifter drives the loading platform to lift up and down.
6. The method for measuring the inner diameter of the silencing cotton box according to claim 5, wherein the feeding mechanism comprises an XZ-axis manipulator and two clamping plates, an installation table is arranged on the Z axis of the XZ-axis manipulator, two air cylinders are respectively arranged on two sides of the installation table, and the clamping plates are arranged on corresponding air cylinder telescopic rods.
7. The method for measuring the inner diameter of a silencing cotton box according to claim 4, wherein a plurality of carrier plates connected in a row are arranged on the sliding table.
8. The method of claim 5, wherein a plurality of said loading platforms are arranged in a row beside said loading plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010145234.0A CN113351515B (en) | 2020-03-05 | Method for measuring inner diameter of silencing cotton box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010145234.0A CN113351515B (en) | 2020-03-05 | Method for measuring inner diameter of silencing cotton box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113351515A CN113351515A (en) | 2021-09-07 |
| CN113351515B true CN113351515B (en) | 2024-06-04 |
Family
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205748274U (en) * | 2016-05-06 | 2016-11-30 | 武汉华工激光工程有限责任公司 | A kind of motor stator dimension measuring device |
| CN107185849A (en) * | 2017-05-27 | 2017-09-22 | 深圳市高能精密机械有限公司 | A kind of housing inner diameter and roundness measurement machine |
| CN208177889U (en) * | 2018-02-06 | 2018-12-04 | 山西新环粉末冶金有限公司 | A kind of guide liner measurement sorting machine |
| CN209992862U (en) * | 2019-06-04 | 2020-01-24 | 厦门华蔚物联网科技有限公司 | System for automatically measuring coordinate position of robot |
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205748274U (en) * | 2016-05-06 | 2016-11-30 | 武汉华工激光工程有限责任公司 | A kind of motor stator dimension measuring device |
| CN107185849A (en) * | 2017-05-27 | 2017-09-22 | 深圳市高能精密机械有限公司 | A kind of housing inner diameter and roundness measurement machine |
| CN208177889U (en) * | 2018-02-06 | 2018-12-04 | 山西新环粉末冶金有限公司 | A kind of guide liner measurement sorting machine |
| CN209992862U (en) * | 2019-06-04 | 2020-01-24 | 厦门华蔚物联网科技有限公司 | System for automatically measuring coordinate position of robot |
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