CN108931200B - Centrifugal casting thickness measuring device and measuring method for spheroidal graphite cast tube - Google Patents
Centrifugal casting thickness measuring device and measuring method for spheroidal graphite cast tube Download PDFInfo
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- CN108931200B CN108931200B CN201811013552.0A CN201811013552A CN108931200B CN 108931200 B CN108931200 B CN 108931200B CN 201811013552 A CN201811013552 A CN 201811013552A CN 108931200 B CN108931200 B CN 108931200B
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- casting
- shell
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- thickness
- infrared induction
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- 238000009750 centrifugal casting Methods 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 10
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 10
- 239000010439 graphite Substances 0.000 title claims abstract description 10
- 238000005266 casting Methods 0.000 claims abstract description 78
- 230000006698 induction Effects 0.000 claims abstract description 30
- 239000007788 liquid Substances 0.000 claims description 10
- 238000005259 measurement Methods 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims 1
- 238000000498 ball milling Methods 0.000 abstract description 3
- 230000001939 inductive effect Effects 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 229910001141 Ductile iron Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Continuous Casting (AREA)
Abstract
The invention discloses a centrifugal casting thickness measuring device and a measuring method of a spheroidal graphite cast tube, wherein the centrifugal casting thickness measuring device comprises a centrifugal casting cylinder, a casting funnel, a shell and a controller, wherein the shell is of a cylindrical structure with end covers at two ends; the centrifugal casting cylinder is arranged in the shell along the longitudinal direction of the shell, the casting funnel is arranged at the upper part of the shell, and the casting funnel is connected with a motor; an infrared induction device is arranged on the shell and comprises three infrared induction heads and an infrared switch; the device and the method can control the precision of centrifugal casting when castings are made by aligning the infrared induction head with the edge of the pipe casting area on one side of the centrifugal casting cylinder, thereby improving the quality of finished ball-milling cast pipes, reducing subsequent procedures, improving the working efficiency and reducing the cost.
Description
Technical Field
The invention relates to a centrifugal casting thickness measuring device and a measuring method for a spheroidal graphite cast tube, and belongs to the technical field of cast tubes.
Background
In recent years, spheroidal graphite cast iron pipes are widely popularized in the water delivery field and widely used in large-scale water delivery projects such as south-to-north water transfer. The ball-milling cast tube is mainly cast by adopting a centrifugal casting method, and the centrifugal casting mechanism is a casting machine which is used for casting liquid raw materials into a rotary casting cylinder, and is punched and solidified into castings under the action of centrifugal force. Centrifugal casting machines are classified into horizontal, vertical and inclined machines according to the direction of the rotation axis of the mold. The horizontal centrifugal casting mechanism is mainly used for pouring various tubular castings.
However, the centrifugal casting method has the problems of dispersion of working procedures, low productivity, difficult control of the thickness of the cast pipe, low dimensional accuracy of the pipe, and the like.
Disclosure of Invention
In order to solve the defects in the prior art, the invention discloses a device and a method for measuring the centrifugal casting thickness of a spheroidal graphite cast tube, which can control the precision of centrifugal casting during casting, thereby improving the quality of a finished ball-milling cast tube, reducing subsequent procedures, improving the working efficiency and reducing the cost.
The invention is realized by the following technical scheme:
the centrifugal casting thickness measuring device of the spheroidal graphite cast tube comprises a centrifugal casting cylinder, a casting funnel, a shell and a controller, wherein the shell is of a cylindrical structure with end covers at two ends; the centrifugal casting cylinder is arranged in the shell along the longitudinal direction of the shell, the casting funnel is arranged at the upper part of the shell, and the casting funnel is connected with a motor; an infrared induction device is arranged on the shell and comprises three infrared induction heads and an infrared switch; 3-6 rotatable bases are arranged on the inner side of the end cover on one side of the shell, the rotatable bases are uniformly distributed along the periphery of the inner plane of the end cover, the infrared induction heads are detachably arranged on the rotatable bases, the infrared induction heads are electrically connected with the infrared switch, and the infrared switch is electrically connected with the motor; the infrared induction head is aligned with the edge of the pipe casting area on one side of the centrifugal casting cylinder. The controller is electrically connected with the infrared sensing head, the infrared switch, the motor and the casting hopper.
The height and the direction of the rotatable base are adjustable.
The rotatable base is connected with the controller, and the height and the direction of the rotatable base are adjusted by the controller.
And an alarm device is also arranged on the infrared switch.
And the casting hopper is also provided with a liquid level measuring device.
A method of centrifugal casting thickness measurement comprising the steps of:
detecting the thickness condition of a casting pipe in the centrifugal casting cylinder by aligning an infrared induction head to the edge of a pipe casting area at one side of the centrifugal casting cylinder;
through program setting, when two of the three infrared sensing heads sense that the thickness of the casting pipe reaches 80-90% of the preset target thickness, prompting by an alarm device, and limiting feeding into the casting hopper; when two infrared induction heads in the three infrared induction heads sense that the thickness of the casting pipe reaches 99-100% of the preset target thickness, stopping feeding the centrifugal casting cylinder by the casting hopper, and prompting by the alarm device;
and when the preset time is not matched with the thickness detected by the infrared sensing device in the casting process, feeding back to the controller in time, and adjusting the centrifugal speed and feeding of the casting device.
Compared with the prior art, the invention has the following beneficial effects:
(1) The thickness of cast tube in the actual casting process can be accurately measured to the infrared inductive head in this device, and infrared switch is transmitted to with the thickness information of cast tube to the infrared inductive head, through the rotation of infrared switch control motor, and then the feeding of control casting funnel. When the thickness reaches the specified thickness, the feeding of the casting hopper is stopped, and the purpose of accurately controlling the thickness of the casting pipe is achieved.
(2) The infrared inductive head is arranged in three, so that accuracy of measurement information is guaranteed, the infrared inductive head is arranged on the rotatable base, the direction and the position of the infrared inductive head are accurately controlled through the rotatable base, and the infrared inductive head is suitable for thickness detection of various casting pipes.
(3) The infrared switch is also provided with an alarm device, so that a worker can be reminded of limiting the feeding; and a liquid level measuring device arranged on the casting funnel implements the storage condition of the reaction funnel, and when the thickness of the casting pipe does not reach the requirement, the amount of casting raw material liquid in the casting funnel is ensured.
Drawings
Fig. 1 is a schematic structural view of the present invention.
In the figure, 1 is a centrifugal casting cylinder, 2 is a casting funnel, 3 is a shell, 4 is an end cover, 5 is a motor, 6 is an infrared sensing head, 7 is an infrared switch, 8 is a rotatable base, 9 is an alarm device, and 10 is a liquid level measuring device.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments, but the scope of the invention is not limited to these embodiments, and all changes and equivalents that do not depart from the spirit of the invention are intended to be included in the scope of the invention.
The centrifugal casting thickness measuring device of the spheroidal graphite cast tube comprises a centrifugal casting cylinder 1, a casting hopper 2, a shell 3 and a controller, wherein the shell 3 is of a cylindrical structure with end covers 4 at two ends; the centrifugal casting cylinder 1 is arranged in the shell 3 along the longitudinal direction of the shell 3, the casting funnel 2 is arranged at the upper part of the shell 3, and the casting funnel 2 is connected with a motor 5; an infrared induction device is arranged on the shell 3 and comprises three infrared induction heads 6 and an infrared switch 7; the inner side of the end cover 4 at one side of the shell 3 is provided with 3-6 rotatable bases 8, the rotatable bases 8 are uniformly distributed along the inner plane edge of the end cover in a circumference manner, the infrared induction heads 6 are detachably arranged on the rotatable bases 8, the infrared induction heads 6 are aligned with the edge of a pipe casting area at one side of the centrifugal casting cylinder 1, the infrared induction heads 6 are electrically connected with the infrared switch 7, the infrared switch 7 is electrically connected with the motor 5, and the infrared switch 7 is arranged on the shell beside the casting hopper 2. The controller is electrically connected with the infrared sensing head, the infrared switch, the motor and the casting hopper.
The height and the direction of the rotatable base 8 are adjustable. The rotatable base 8 is connected with a controller, and the height and the direction of the rotatable base 8 are adjusted by the controller.
The infrared switch 7 is also provided with an alarm device 9.
The casting hopper 2 is also provided with a liquid level measuring device 10.
The thickness of cast tube in the actual casting process can be accurately measured to the infrared sensing head in the device, and the infrared sensing head transmits thickness information of cast tube to the infrared switch, and the rotation of motor is controlled through the infrared switch, so that the feeding of casting hopper is controlled. When the thickness reaches the specified thickness, the feeding of the casting hopper is stopped, and the purpose of accurately controlling the thickness of the casting pipe is achieved.
The infrared inductive head is arranged in three, so that accuracy of measurement information is guaranteed, the infrared inductive head is arranged on the rotatable base, the direction and the position of the infrared inductive head are accurately controlled through the rotatable base, and the infrared inductive head is suitable for thickness detection of various casting pipes.
The infrared switch is also provided with an alarm device, so that a worker can be reminded of limiting the feeding; and a liquid level measuring device arranged on the casting funnel implements the storage condition of the reaction funnel, and when the thickness of the casting pipe does not reach the requirement, the amount of casting raw material liquid in the casting funnel is ensured.
The rotatable base 8 can be internally provided with a controller, and the height and the direction of the rotatable base are adjusted through the controller, so that the adjustment precision is higher, and the measurement is more accurate and effective.
During actual casting, the thickness condition of a casting pipe in the centrifugal casting cylinder is detected by aligning an infrared induction head to the edge of a pipe casting area on one side of the centrifugal casting cylinder;
through program setting, when two of the three infrared sensing heads sense that the thickness of the casting pipe reaches 80-90% of the preset target thickness, prompting by an alarm device, and limiting feeding into the casting hopper; when two infrared induction heads in the three infrared induction heads sense that the thickness of the casting pipe reaches 99-100% of the preset target thickness, stopping feeding the centrifugal casting cylinder by the casting hopper, and prompting by the alarm device;
and when the preset time is not matched with the thickness detected by the infrared sensing device in the casting process, feeding back to the controller in time, and adjusting the centrifugal speed and feeding of the casting device. The method can accurately and effectively control the quality of the finished cast tube, reduce the subsequent procedures and reduce the cost.
The present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (3)
1. The centrifugal casting thickness measuring device of the spheroidal graphite cast tube comprises a centrifugal casting cylinder (1), a casting funnel (2), a shell (3) and a controller, and is characterized in that the shell (3) is of a cylindrical structure with end covers (4) at two ends; the centrifugal casting cylinder (1) is arranged in the shell (3) along the longitudinal direction of the shell (3), the casting funnel (2) is arranged at the upper part of the shell (3), and the casting funnel (2) is connected with a motor (5); an infrared induction device is arranged on the shell (3), and the infrared induction device comprises three infrared induction heads (6) and an infrared switch (7); the infrared induction device is characterized in that 3 rotatable bases (8) are arranged on the inner side of an end cover (4) on one side of the shell (3), the rotatable bases (8) are circumferentially and uniformly distributed along the inner plane edge of the end cover, the infrared induction heads (6) are detachably arranged on the rotatable bases (8), the infrared induction heads (6) are aligned with the edge of a pipe casting area on one side of the centrifugal casting cylinder (1), the infrared induction heads (6) are electrically connected with an infrared switch (7), the infrared switch (7) is electrically connected with a motor (5), and the infrared switch (7) is arranged on the shell beside the casting hopper (2); an alarm device (9) is also arranged on the infrared switch (7);
the casting hopper (2) is also provided with a liquid level measuring device (10), the material storage condition in the hopper is reflected in real time, and when the thickness of the casting pipe does not reach the requirement, the amount of casting raw material liquid in the casting hopper is ensured;
the controller is electrically connected with the infrared induction head (6), the infrared switch (7), the motor (5) and the casting hopper (2);
a method of performing a centrifugal casting thickness measurement using a device, comprising the steps of:
detecting the thickness condition of a casting pipe in the centrifugal casting cylinder by aligning an infrared induction head to the edge of a pipe casting area at one side of the centrifugal casting cylinder;
through program setting, when two of the three infrared sensing heads sense that the thickness of the casting pipe reaches 80-90% of the preset target thickness, prompting by an alarm device, and limiting feeding into the casting hopper; when two infrared induction heads in the three infrared induction heads sense that the thickness of the casting pipe reaches 99-100% of the preset target thickness, stopping feeding the centrifugal casting cylinder by the casting hopper, and prompting by the alarm device;
and when the preset time is not matched with the thickness detected by the infrared sensing device in the casting process, feeding back to the controller in time, and adjusting the centrifugal speed and feeding of the casting device.
2. Centrifugal casting thickness measuring device for spheroidal graphite cast tubes according to claim 1, wherein the rotatable base (8) is adjustable in height and direction.
3. A centrifugal casting thickness measuring apparatus of a spheroidal graphite cast tube according to claim 2, wherein the rotatable base (8) is connected to a controller, and the height and direction of the rotatable base (8) are adjusted by the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811013552.0A CN108931200B (en) | 2018-08-31 | 2018-08-31 | Centrifugal casting thickness measuring device and measuring method for spheroidal graphite cast tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811013552.0A CN108931200B (en) | 2018-08-31 | 2018-08-31 | Centrifugal casting thickness measuring device and measuring method for spheroidal graphite cast tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108931200A CN108931200A (en) | 2018-12-04 |
| CN108931200B true CN108931200B (en) | 2024-03-19 |
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| CN201811013552.0A Active CN108931200B (en) | 2018-08-31 | 2018-08-31 | Centrifugal casting thickness measuring device and measuring method for spheroidal graphite cast tube |
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| EP2357051A1 (en) * | 2010-01-15 | 2011-08-17 | Siemens Aktiengesellschaft | Method for operating a compound casting rolling assembly, compound casting rolling assembly and control and/or regulating device for a compound casting rolling assembly |
| CN203253887U (en) * | 2013-03-28 | 2013-10-30 | 苏州嘉诺资源再生技术有限公司 | Automatic cast ingot recognition device |
| CN204276845U (en) * | 2014-11-28 | 2015-04-22 | 嘉善县汾湖铸钢厂 | A kind of foundry goods centrifugal casting mechanism |
| CN105364044A (en) * | 2015-12-24 | 2016-03-02 | 中原内配集团股份有限公司 | Cylindrical part casting equipment |
| CN205414357U (en) * | 2016-04-08 | 2016-08-03 | 佳木斯大学 | Almag centrifugal cast quantitative pouring device |
| EP3093613A1 (en) * | 2015-05-15 | 2016-11-16 | Tiroler Rohre GmbH | Method for measuring and matching the thickness of a tube |
| CN205718890U (en) * | 2016-06-07 | 2016-11-23 | 河北新兴铸管有限公司 | Cast tube external diameter Simple measurement device |
| CN207447303U (en) * | 2017-11-16 | 2018-06-05 | 新兴铸管阜康能源有限公司 | Centrifugal tube casting machine can be monitored |
| CN208579743U (en) * | 2018-08-31 | 2019-03-05 | 山西永益铸管股份有限公司 | A kind of centrifugal casting measurer for thickness of ductile iron pipe |
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2018
- 2018-08-31 CN CN201811013552.0A patent/CN108931200B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2357051A1 (en) * | 2010-01-15 | 2011-08-17 | Siemens Aktiengesellschaft | Method for operating a compound casting rolling assembly, compound casting rolling assembly and control and/or regulating device for a compound casting rolling assembly |
| CN203253887U (en) * | 2013-03-28 | 2013-10-30 | 苏州嘉诺资源再生技术有限公司 | Automatic cast ingot recognition device |
| CN204276845U (en) * | 2014-11-28 | 2015-04-22 | 嘉善县汾湖铸钢厂 | A kind of foundry goods centrifugal casting mechanism |
| EP3093613A1 (en) * | 2015-05-15 | 2016-11-16 | Tiroler Rohre GmbH | Method for measuring and matching the thickness of a tube |
| CN105364044A (en) * | 2015-12-24 | 2016-03-02 | 中原内配集团股份有限公司 | Cylindrical part casting equipment |
| CN205414357U (en) * | 2016-04-08 | 2016-08-03 | 佳木斯大学 | Almag centrifugal cast quantitative pouring device |
| CN205718890U (en) * | 2016-06-07 | 2016-11-23 | 河北新兴铸管有限公司 | Cast tube external diameter Simple measurement device |
| CN207447303U (en) * | 2017-11-16 | 2018-06-05 | 新兴铸管阜康能源有限公司 | Centrifugal tube casting machine can be monitored |
| CN208579743U (en) * | 2018-08-31 | 2019-03-05 | 山西永益铸管股份有限公司 | A kind of centrifugal casting measurer for thickness of ductile iron pipe |
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| CN108931200A (en) | 2018-12-04 |
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