CN103085253B - Automatic water level control device of vacuum sizing tank - Google Patents
Automatic water level control device of vacuum sizing tank Download PDFInfo
- Publication number
- CN103085253B CN103085253B CN201310047519.0A CN201310047519A CN103085253B CN 103085253 B CN103085253 B CN 103085253B CN 201310047519 A CN201310047519 A CN 201310047519A CN 103085253 B CN103085253 B CN 103085253B
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- water level
- water
- casing
- control device
- vacuum sizing
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- B29C47/92—
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- Control Of Non-Electrical Variables (AREA)
Abstract
The invention discloses an automatic water level control device of a vacuum sizing tank, and belongs to the technical field of vacuum sizing tanks. The automatic water level control device comprises a tank body (1), a spray pipe (2), a circulation water pump and a water supply tank (5). The automatic water level control device is characterized in that a water level sensing cup (9) is arranged beside the tank body (1), the bottom of the water level sensing cup (9) is communicated with circulation spraying water in the tank body (1) via a communication pipe (8), an upper water level limitation sensor (11) and a lower water level limitation sensor (10) are arranged in the water level sensing cup (9), the upper water level limitation sensor (11) is connected with a drainage electromagnetic valve (6) via a controller (13), and the lower water level limitation sensor (10) is connected with a water inlet electromagnetic valve (4) via the controller (13). The automatic water level control device can automatically supply the water and discharge the water, so that the liquid level in the tank body can be kept, the control precision can be improved, and the fault rate of the liquid level sensor is reduced.
Description
Technical field
The invention belongs to vacuum sizing box technical field, be specifically related to a kind of water-level control apparatus of vacuum sizing box.
Background technology
In process of production, the pipe fitting of extruding through extruder has higher temperature to plastic pipe, and indefinite form.Conventional way is, the pipe fitting of extruding, through vacuum sizing box, is utilized to the negative pressure swabbing action in sizing tank, make the still pipe fitting in soft state radially extend out formation circle, utilize the cooling water in casing to carry out spraying cooling simultaneously, thereby reach the effect of hole enlargement sizing.Existing vacuum sizing box, is generally to enter after vacuum sizing box cooling section when pipe fitting, and self circulation line of the water conservancy in casing carries out circulated sprinkling to pipe fitting cooling, realizes the cooling and shaping effect to pipe fitting.But in production practices, while finding in the casing of cooling water at vacuum sizing box circulated sprinkling, owing to can making cooling water temperature constantly increase after cooling water and pipe fitting heat exchange, and the water level in casing is unstable during cooling water circulation, make the vacuum in casing also unstable, thereby have influence on the quality of pipe fitting.For solving this technical problem, available technology adopting is installed liquid level sensor in the casing of vacuum sizing box, controls corresponding magnetic valve and opens and closes, and makes the stable liquid level of maintenance in vacuum chamber.But because liquid level sensor is immersed in water often, and the temperature in casing is higher, cause level sensor fault rate height and easily damage, often cause the out of control of system.
Summary of the invention
For prior art above shortcomings, the object of this invention is to provide and a kind ofly can realize automatic feeding water and draining, make the liquid level in casing keep stable, can improve control accuracy again, reduce the vacuum sizing box water-level control apparatus of level sensor fault rate.
For achieving the above object, the present invention is achieved through the following technical solutions: a kind of water level automatic control device of vacuum sizing box, comprise casing, shower, water circulating pump and water supply tank, on described casing side, be provided with a water level induction cup, described water level induction cup bottom is by being communicated with the circulated sprinkling water in casing communicating pipe, in water level induction cup, be provided with water level upper limit inductor and water level lower limit inductor, water level upper limit inductor is connected with drain solenoid valve by controller, described drain solenoid valve is arranged on the drainpipe of casing, water level lower limit inductor is connected with entering water electromagnetic valve by controller, described entering water electromagnetic valve is arranged on the water inlet pipe of casing and is connected with water supply tank, described water level induction cup top is connected with the position vacuumizing in casing by vacuum tube.
The nozzle position of water level upper limit inductor of the present invention is consistent with the circulated sprinkling water level upper limit height that will control in casing.
The nozzle position of water level lower limit inductor of the present invention is consistent with the circulated sprinkling water level lower limit height that will control in casing.
Compared with prior art, beneficial effect of the present invention has: owing to being provided with water level upper limit inductor and water level lower limit inductor in water level induction cup, by water level induction cup bottom by communicating pipe with after circulated sprinkling water in casing is communicated with, water level upper limit inductor and water level lower limit inductor just can detect the water level of the circulated sprinkling water in casing, owing to water level sensor not being arranged in the casing of vacuum sizing box, so just avoided water level sensor to contact hot and humid environment, effectively reduce the fault rate of water level sensor, therefore can accurately control the liquid level of the circulated sprinkling water in vacuum sizing box and the vacuum vacuumizing, improve the crudy of pipe fitting.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure, 1-casing, 2-shower, 3-water inlet pipe, 4-entering water electromagnetic valve, 5-water supply tank, 6-drain solenoid valve, 7-drainpipe, 8-communicating pipe, 9-water level induction cup, 10-water level lower limit inductor, 11-water level upper limit inductor, 12-vacuum tube, 13-controller.
The specific embodiment
A kind of water level automatic control device of vacuum sizing box, comprise casing 1, shower 2, water circulating pump and water supply tank 5, on described casing 1 side, be provided with a water level induction cup 9, described water level induction cup 9 bottoms were communicated with the circulated sprinkling water in casing 1 by communicating pipe 8, in water level induction cup 9, be provided with water level upper limit inductor 11 and water level lower limit inductor 10, water level upper limit inductor 11 is connected with drain solenoid valve 6 by controller 13, described drain solenoid valve 6 is arranged on the drainpipe 7 of casing 1, water level lower limit inductor 10 is connected with entering water electromagnetic valve 4 by controller 13, described entering water electromagnetic valve 4 is arranged on the water inlet pipe 3 of casing 1 and is connected with water supply tank 5, described water level induction cup 9 tops are connected with the position vacuumizing in casing 1 by vacuum tube 12.
Operation principle of the present invention is: owing to being provided with water level induction cup 9, after water level upper limit inductor 11 and water level lower limit inductor 10, by water level upper limit inductor 11 be located at drain solenoid valve 6 on casing 1 drainpipe 7 and be connected after, circulated sprinkling water level in casing 1 arrives after the nozzle position of water level induction cup 9 middle water level upper limit inductors 11, water level upper limit inductor 11 is given controller 13 feedback signals, controller 13 starts drain solenoid valve 6, close entering water electromagnetic valve 4 simultaneously, unnecessary circulated sprinkling water in casing 1 is discharged, make the certain space of the inner maintenance of casing 1 of vacuum sizing box, facilitate the suction of vavuum pump, to maintain the negative pressure state in casing 1.Due to by water level lower limit inductor 10 be located at entering water electromagnetic valve 4 on casing 1 water inlet pipe 3 and be connected after, circulated sprinkling water in casing 1 drain into water level induction cup 9 in the nozzle position of water level lower limit inductor 10 after, water level lower limit inductor 10 is given controller 13 feedback signals, controller 13 starts entering water electromagnetic valve 4, close drain solenoid valve 6 simultaneously, water in water supply tank 5 is added in casing 1 by water inlet pipe 3, both guaranteed the chilling temperature of circulated sprinkling water, and kept stable liquid level in casing 1, can improve the cooling and fixed effect of vacuum sizing box.
Claims (3)
1. the water level automatic control device of a vacuum sizing box, comprise casing (1), shower (2), water circulating pump and water supply tank (5), it is characterized in that: at the other water level induction cup (9) that is provided with of described casing (1), described water level induction cup (9) bottom is by being communicated with the circulated sprinkling water in casing (1) communicating pipe (8), in water level induction cup (9), be provided with water level upper limit inductor (11) and water level lower limit inductor (10), water level upper limit inductor (11) is connected with drain solenoid valve (6) by controller (13), described drain solenoid valve (6) is arranged on the drainpipe (7) of casing (1), water level lower limit inductor (10) is connected with entering water electromagnetic valve (4) by controller (13), described entering water electromagnetic valve (4) is arranged on the water inlet pipe (3) of casing (1) and goes up and be connected with water supply tank (5), described water level induction cup (9) top is connected with the position vacuumizing in casing (1) by vacuum tube (12).
2. the water level automatic control device of a kind of vacuum sizing box according to claim 1, is characterized in that: the nozzle position of described water level upper limit inductor (11) is consistent with the circulated sprinkling water level upper limit height that will control in casing (1).
3. the water level automatic control device of a kind of vacuum sizing box according to claim 1, is characterized in that: the nozzle position of described water level lower limit inductor (10) is consistent with the circulated sprinkling water level lower limit height that will control in casing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310047519.0A CN103085253B (en) | 2013-02-06 | 2013-02-06 | Automatic water level control device of vacuum sizing tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310047519.0A CN103085253B (en) | 2013-02-06 | 2013-02-06 | Automatic water level control device of vacuum sizing tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103085253A CN103085253A (en) | 2013-05-08 |
| CN103085253B true CN103085253B (en) | 2014-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310047519.0A Expired - Fee Related CN103085253B (en) | 2013-02-06 | 2013-02-06 | Automatic water level control device of vacuum sizing tank |
Country Status (1)
| Country | Link |
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| CN (1) | CN103085253B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107471605B (en) * | 2017-08-31 | 2018-12-14 | 江苏由迎管阀件有限公司 | A kind of antistatic air hose production Vacuum shaping water tank |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1044838A (en) * | 1989-02-13 | 1990-08-22 | 陈成功 | Fully-automatic water supply system |
| CN2256003Y (en) * | 1995-12-05 | 1997-06-11 | 乐清市农村能源办公室 | Automatic water level controlling tank |
| CN202284309U (en) * | 2011-08-30 | 2012-06-27 | 罗德荣 | Water supply box capable of automatically controlling water level |
| CN203046232U (en) * | 2013-02-06 | 2013-07-10 | 祥云县原闻塑业有限公司 | Automatic water level control device of vacuum sizing box |
-
2013
- 2013-02-06 CN CN201310047519.0A patent/CN103085253B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1044838A (en) * | 1989-02-13 | 1990-08-22 | 陈成功 | Fully-automatic water supply system |
| CN2256003Y (en) * | 1995-12-05 | 1997-06-11 | 乐清市农村能源办公室 | Automatic water level controlling tank |
| CN202284309U (en) * | 2011-08-30 | 2012-06-27 | 罗德荣 | Water supply box capable of automatically controlling water level |
| CN203046232U (en) * | 2013-02-06 | 2013-07-10 | 祥云县原闻塑业有限公司 | Automatic water level control device of vacuum sizing box |
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|---|---|
| CN103085253A (en) | 2013-05-08 |
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Granted publication date: 20141029 Termination date: 20220206 |