CN203157167U - Water pressing machine - Google Patents
Water pressing machine Download PDFInfo
- Publication number
- CN203157167U CN203157167U CN 201220236004 CN201220236004U CN203157167U CN 203157167 U CN203157167 U CN 203157167U CN 201220236004 CN201220236004 CN 201220236004 CN 201220236004 U CN201220236004 U CN 201220236004U CN 203157167 U CN203157167 U CN 203157167U
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- Prior art keywords
- motor
- valve
- guide bar
- barrel
- hopper
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- Expired - Fee Related
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Abstract
The utility model discloses a water pressing machine, and belongs to the field of plastic cement production equipment. The water pressing machine comprises a material canister, a first material guiding rod provided with helical blades and disposed in the material canister, a first motor for driving the material guiding rod to rotate, a valve disposed at the outlet of the material canister, a hydraulic cylinder for controlling the on-off of the valve, and a hopper disposed at the inlet of the material canister, wherein the hopper is internally provided with a second material guiding rod provided with helical blades, the second material guiding rod is driven by a second motor to rotate, the drive circuit of the first motor is provided with a electric current monitoring unit which is connected to a microcontroller through signals, and the hydraulic cylinder is provided with a solenoid valve which is connected to the microcontroller through signals. The water pressing machine can be used for accurately controlling dehydration degrees, and is high in working efficiency.
Description
Technical field
The utility model relates to plastic cement production equipment field, refers to a kind of squeezer for raw material dehydration before the plastic granulator especially.
Background technology
The process of producing plastic cement is that raw material is cut into pieces, and washing is then carried out granulation again after dehydration, and the link of wherein dewatering has great influence to the quality of granulation, and it is more clean to dewater, and the quality of granulation is more good.Described dehydration procedure can be realized by special squeezer, traditional squeezer comprises barrel, be provided with the guide bar by the band helical blade of driven by motor rotation in the barrel, the raw material fragment to be extruded of barrel charging aperture is conducted to the barrel discharging opening, and but the barrel discharging opening is provided with the valve of folding, and by hydraulic test control folding, the valve place is provided with pressure sensor to valve usually, be used for the pressure at monitoring barrel valve position, and feed back to the PLC controller with control hydraulic test folding valve; When initial, hydraulic test by-pass valve control closure, and the raw material fragment is constantly conducted to the valve position of barrel, when treating that the raw material fragment reaches the pressure set points of PLC controller to the pressure of valve, PLC controller control hydraulic test is opened valve, discharges the raw material fragment, finishes dehydration.Because the PLC control mode is time control, and pressure signal needs through analog-to-digital conversion, therefore there is latency issue in this kind control mode, after valve reached set pressure, the valve events of holding of hydraulic test was understood corresponding hysteresis, and lasting pressure can cause the raw material fragment to be extruded thawing, if establish the opening pressure of valve little for overcoming latency issue, often easily cause dehydration unclean again, influence the granulation quality even need dehydration again, so this kind control mode is difficult to accurately control degree of dehydration.In addition, when the raw material fragment enters the barrel entrance by hopper, because guide bar fast rotational, make the raw material fragment be beaten by the helical blade of guide bar and fly and be difficult to enter barrel, make that the efficient of dehydration procedure is lower.
The utility model content
Technical problem to be solved in the utility model provides a kind of squeezer that can accurately control degree of dehydration and high efficiency.
For achieving the above object, the technical solution adopted in the utility model is as follows:
A kind of squeezer comprises barrel, is arranged at the first guide bar of the band helical blade in the barrel, drives first motor of guide bar rotation, is arranged at the valve of barrel outlet, the hydraulic cylinder of by-pass valve control folding, and the hopper that is arranged at the barrel entrance; Be provided with the second guide bar of band helical blade in the described hopper, this second guide bar is rotated by second motor-driven; The drive circuit of described first motor is provided with the current monitoring unit, and this current monitoring cell signal is connected in microcontroller, and described hydraulic cylinder is provided with magnetic valve, and this magnetic valve is connected with described microcontroller signal.
Further explain technique scheme:
Described current monitoring unit is ammeter.
The vary in diameter of the helical blade of the described second guide bar and the vary in diameter of described hopper adapt.
The beneficial effects of the utility model are: 1, described microcontroller changes the directly action of control hydraulic cylinder by the electric current of first motor, compare the control mode that the PLC controller is combined with pressure sensor, there is not time-delay, therefore can accurately control squeezer to the degree of dehydration of raw material fragment, the situation that no raw material fragment is melted by squeezing or dehydration is unclean, improve the quality of subsequent granulation, avoided the time waste that causes because doing over again; 2, the helical blade of the described second guide bar forces the raw material fragment to enter fast in the barrel, has greatly improved the operating efficiency of squeezer.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described further:
Fig. 1 is the structural representation of the utility model squeezer;
Fig. 2 is squeezer control mode schematic diagram of the present utility model.
The specific embodiment
With reference to figure 1, a kind of squeezer comprises barrel 1, be arranged at the first guide bar 2 of the band helical blade in the barrel 1, drive first motor 3 of guide bar 2 rotations, be arranged at the valve 4 of barrel 1 outlet, the hydraulic cylinder 5 of by-pass valve control 4 foldings, and the hopper 6 that is arranged at barrel 1 entrance; Be provided with the second guide bar 7 of band helical blade in the described hopper 6, and the vary in diameter of the vary in diameter of this helical blade and hopper 6 adapts, this second guide bar 7 is driven by second motor 8 and rotates.
With reference to figure 2, the drive circuit of described first motor 3 is provided with the current monitoring unit, and the current monitoring unit can adopt ammeter, and this current monitoring cell signal is connected in microcontroller, and described hydraulic cylinder 5 is provided with magnetic valve, and this magnetic valve is connected with described microcontroller signal.During work, along with the pressure increase at valve 4 places, the power output of first motor 3 changes simultaneously, and the variation of power output can be presented as the variation of electric current, this squeezer changes by the electric current of monitoring first motor 3, passes through solenoid control hydraulic cylinder 5 Open valves 4 by microcontroller.
Certainly, above embodiment just is explanation rather than restriction the utility model, the above only is preferred embodiment of the present utility model, so all equivalences of doing according to the described scheme of the utility model patent claim change or modify, is included in the utility model patent claim.
Claims (3)
1. a squeezer comprises barrel, is arranged at the first guide bar of the band helical blade in the barrel, drives first motor of guide bar rotation, is arranged at the valve of barrel outlet, the hydraulic cylinder of by-pass valve control folding, and the hopper that is arranged at the barrel entrance; It is characterized in that: be provided with the second guide bar of band helical blade in the described hopper, this second guide bar is rotated by second motor-driven; The drive circuit of described first motor is provided with the current monitoring unit, and this current monitoring cell signal is connected in microcontroller, and described hydraulic cylinder is provided with magnetic valve, and this magnetic valve is connected with described microcontroller signal.
2. a kind of squeezer according to claim 1, it is characterized in that: described current monitoring unit is ammeter.
3. a kind of squeezer according to claim 1, it is characterized in that: the vary in diameter of the helical blade of the described second guide bar and the vary in diameter of described hopper adapt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220236004 CN203157167U (en) | 2012-05-21 | 2012-05-21 | Water pressing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220236004 CN203157167U (en) | 2012-05-21 | 2012-05-21 | Water pressing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203157167U true CN203157167U (en) | 2013-08-28 |
Family
ID=49018384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220236004 Expired - Fee Related CN203157167U (en) | 2012-05-21 | 2012-05-21 | Water pressing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203157167U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107298519A (en) * | 2017-08-16 | 2017-10-27 | 黑龙江省农业机械运用研究所 | A kind of new cow dung dehydration equipment |
-
2012
- 2012-05-21 CN CN 201220236004 patent/CN203157167U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107298519A (en) * | 2017-08-16 | 2017-10-27 | 黑龙江省农业机械运用研究所 | A kind of new cow dung dehydration equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: DONGGUAN TAIDIAN ENVIRONMENTAL PROTECTION TECHNOLO Free format text: FORMER NAME: DONGGUAN TAIDIAN PLASTIC MACHINERY MANUFACTURE CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 523000 Guangdong province Dongguan City Qishi Town South First Industrial Zone Patentee after: DONGGUAN GEI ENVIRONMENT PROTECTION TECHNOLOGY CO., LTD. Address before: 523000 Guangdong province Dongguan City Qishi Town South First Industrial Zone Patentee before: Dongguan GEI Plastics Recycle Machine Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 Termination date: 20150521 |
|
| EXPY | Termination of patent right or utility model |