CN202016182U - Temperature control device for charging opening of injection molding machine - Google Patents
Temperature control device for charging opening of injection molding machine Download PDFInfo
- Publication number
- CN202016182U CN202016182U CN2011200723854U CN201120072385U CN202016182U CN 202016182 U CN202016182 U CN 202016182U CN 2011200723854 U CN2011200723854 U CN 2011200723854U CN 201120072385 U CN201120072385 U CN 201120072385U CN 202016182 U CN202016182 U CN 202016182U
- Authority
- CN
- China
- Prior art keywords
- cooling water
- charge door
- temperature
- charging opening
- temperature control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Abstract
The utility model discloses a temperature control device for a charging opening of an injection molding machine. The device comprises a machine barrel, a screw and a hopper, wherein the charging opening of the hopper passes through the machine barrel and corresponds to a screw pit of the screw; a cooling device is arranged at the charging opening and is connected with a cooling water pipeline through a cooling water valve; the cooling water valve is connected with a controller through a valve driver; and a temperature sensor is also arranged at the charging opening, is connected with the controller, and is used for detecting the temperature of the outer wall of the charging opening and controlling the opening or closing of the cooling water valve through the valve driver. The temperature at the charging opening of the injection molding machine is detected, the detected material temperature is compared with the set value, and the opening or closing of cooling water is controlled, so that the bridging phenomenon caused by an overhigh temperature at the charging opening is avoided, the charging opening is prevented from being blocked, the using amount of the cooling water can be reduced, and energy-saving and water-saving effects are achieved.
Description
Technical field
The utility model belongs to the automatic control technology field, particularly a kind of temperature control equipment of injection machine charge door.
Background technology
The charge door temperature of injection molding machine of plastic also is called as plastics entrance area temperature sometimes, sets the temperature that is referred to as zone zero in the handbook in some injection machine temperature.As shown in Figure 1, charge door 14 is to be positioned at the shoot material cylinder part of storage bin hopper below 13, and plastics fall under charge door the spiral shell hole of screw rod 12.But the charge door temperature of existing injection machine does not all have controlled when producing or monitoring, and its inside has only some cooling pipes to be responsible for keeping the temperature of charge door under a low-level state.
Above-described cooling is meant cools off the charge door place, because the material mouth if temperature is too high, Gu expect and can form " bridge formation " at the charge door place, stops up in the charge door place, thereby influence the transfer efficiency of feeding section, it is cooled so cooling jacket is set herein.In fact, the temperature requirement of avoiding most plastics to produce " bridge formation " phenomenon is no more than vitrification point (Tg) and gets final product, and because the cooling water of charge door is to continue to flow, the actual temperature that causes charge door will cause like this far below above-mentioned requirements:
The first, the waste of water resource is because the general direct discharging of cooling water is in addition not recycling, so too much water has caused the waste of water resource; In addition, because water has passed through metallic conduit, too much water has also been accelerated Corrosion of Pipeline to a certain extent;
The second, the waste of energy, preparation cooling water and driving cooling-water flow all need consumes energy, and the unnecessary cooling water of too much use obviously can be wasted energy; In addition, material needs to be heated after entering machine barrel 11, need absorb more heat again when the material of low temperature is heated excessively in machine barrel, and then expend more energy.
Summary of the invention
At the problems referred to above, the purpose of this utility model is to provide a kind of temperature control equipment that is arranged on the injection machine charge door, to realize that the charge door of injection machine is carried out temperature control.
The technical scheme that the utility model adopted: a kind of temperature control equipment of injection machine charge door, comprise machine barrel, screw rod and hopper, the charge door of described hopper passes machine barrel and cheats corresponding setting with the spiral shell of screw rod, described charge door place is provided with cooling device, described cooling device is connected with cooling water pipeline by cooling water valve, and cooling water valve is connected with controller by valve driver; Described charge door place also is provided with temperature sensor, and this temperature sensor is connected with controller, is used to detect the temperature of charge door outer wall and the unlatching by valve driver control cooling water valve or closes.
Above-mentioned cooling device is the cooling water ring, and this cooling water ring is arranged on the machine barrel outer wall at charge door place.
The said temperature sensor is connected with controller by analog to digital converter.
Above-mentioned controller also is connected with setup unit, display unit respectively, is used to set the temperature limit value of charge door, shows current temperature value and other parameters simultaneously.
Above-mentioned cooling water valve is arranged on the water inlet pipe of cooling water pipeline.
The utility model compares according to detected material temperature and setting value by detecting the temperature at injection machine charge door place, and then controls the unlatching of cooling water or close.When detected material temperature is lower than setting value, suspends it is cooled off; When detected material temperature is higher than setting value, connects cooling water it is cooled off, thereby realize the temperature of charge door is controlled within the reasonable range.Both avoid " bridge formation " phenomenon of causing because of the temperature at charge door place is too high, material mouthful is stopped up, can reduce the use amount of cooling water again, had realized effect energy-conservation and that economize on water.
Description of drawings
Fig. 1 is the structural representation of charge door in the injection machine;
Fig. 2 is the structural representation of the injection machine charge door after the utility model improves;
Fig. 3 is the hardware block diagram of temperature control equipment described in the utility model;
Fig. 4 is temperature control principle figure of the present utility model.
The specific embodiment
The utility model will be further described below in conjunction with accompanying drawing.
As shown in Figure 2, the temperature control equipment of injection machine charge door described in the utility model comprises machine barrel 11, screw rod 12 and hopper 13, and the charge door 14 of described hopper 13 passes machine barrel 11 and cheats corresponding setting with the spiral shell of screw rod 12, and described charge door place is provided with cooling device.This cooling device is the cooling water ring 15 that is arranged on the machine barrel outer wall at charge door place, and described cooling water ring 15 is connected with cooling water pipeline 19 (water inlet pipe) by cooling water valve 17, and cooling water valve 17 is connected with controller 16 by valve driver; Described charge door place also is provided with temperature sensor 18, and this temperature sensor is connected with controller 16, is used to detect the temperature of charge door 14 outer walls, and the unlatching by valve driver control cooling water valve 17 or close.
As shown in Figure 3, hardware structure diagram of the present utility model, described controller 16 is connected with valve driver with temperature sensor by the I/O interface circuit, wherein, described temperature sensor is used to detect the temperature of charge door outer wall, and detected temperature transition become aanalogvoltage output, convert the aanalogvoltage of sensor output to data signal by analog to digital (A/D) change-over circuit and give controller.Described controller is made comparisons temperature value that collects and the temperature that sets in advance, and makes corresponding judgment according to comparative result, drives the switch motion of magnetic valve by output control circuit.When detected material temperature was lower than setting value, the magnetic valve of cooling water cut out automatically, suspended cooling; When detected material temperature was higher than setting value, the magnetic valve of cooling water was opened automatically, cools off.In addition, described controller also is connected with setup unit, display unit respectively, and the user can set the temperature limit value of charge door at inputting interface, can show current temperature value and other parameters simultaneously.
Be illustrated in figure 4 as temperature control principle figure of the present utility model, wherein: Tsp is the desired temperature of charge door, and Gc is a temperature controller, and Gp is the charge door temperature, and u is that valve drives signal, and T is the charge door actual temperature.After the said temperature sensor detects the actual temperature T that obtains charge door, the desired temperature Tsp of this temperature value and charge door is compared, according to comparative result, send valve by temperature controller Gc and drive the unlatching of signal u control cooling water valve or close, and then control charge door temperature Gp is in default temperature range.
The utility model is on the basis of existing injection machine, detect and control by temperature, both avoided " bridge formation " phenomenon of causing because of the temperature at charge door place is too high, material mouthful is stopped up its charge door, can reduce too much cooling water use amount again, realize effect energy-conservation and water saving.
Claims (5)
1. the temperature control equipment of an injection machine charge door, comprise machine barrel, screw rod and hopper, the charge door of described hopper passes machine barrel and cheats corresponding setting with the spiral shell of screw rod, described charge door place is provided with cooling device, it is characterized in that, described cooling device is connected with cooling water pipeline by cooling water valve, and cooling water valve is connected with controller by valve driver; Described charge door place also is provided with temperature sensor, and this temperature sensor is connected with controller, is used to detect the temperature of charge door outer wall and the unlatching by valve driver control cooling water valve or closes.
2. according to the temperature control equipment of the described injection machine charge door of claim 1, it is characterized in that described cooling device is the cooling water ring, this cooling water ring is arranged on the machine barrel outer wall at charge door place.
3. according to the temperature control equipment of the described injection machine charge door of claim 1, it is characterized in that described temperature sensor is connected with controller by analog to digital converter.
4. according to the temperature control equipment of the described injection machine charge door of arbitrary claim in the claim 1 to 3, it is characterized in that described controller also is connected with setup unit, display unit respectively.
5. according to the temperature control equipment of the described injection machine charge door of arbitrary claim in the claim 1 to 3, it is characterized in that described cooling water valve is arranged on the water inlet pipe of cooling water pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200723854U CN202016182U (en) | 2011-03-18 | 2011-03-18 | Temperature control device for charging opening of injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200723854U CN202016182U (en) | 2011-03-18 | 2011-03-18 | Temperature control device for charging opening of injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202016182U true CN202016182U (en) | 2011-10-26 |
Family
ID=44809858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200723854U Expired - Lifetime CN202016182U (en) | 2011-03-18 | 2011-03-18 | Temperature control device for charging opening of injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202016182U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104786449A (en) * | 2014-01-21 | 2015-07-22 | 住友重机械工业株式会社 | Injection molding machine |
| CN106541541A (en) * | 2016-10-09 | 2017-03-29 | 深圳市安思科电子科技有限公司 | A kind of injection machine for improving heat utilization rate |
-
2011
- 2011-03-18 CN CN2011200723854U patent/CN202016182U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104786449A (en) * | 2014-01-21 | 2015-07-22 | 住友重机械工业株式会社 | Injection molding machine |
| CN104786449B (en) * | 2014-01-21 | 2018-07-17 | 住友重机械工业株式会社 | Injection (mo(u)lding) machine |
| CN106541541A (en) * | 2016-10-09 | 2017-03-29 | 深圳市安思科电子科技有限公司 | A kind of injection machine for improving heat utilization rate |
| CN106541541B (en) * | 2016-10-09 | 2019-01-15 | 日照众兴包装有限公司 | A kind of injection molding machine improving heat utilization rate |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207322653U (en) | Feed drying extrusion device | |
| CN203470883U (en) | Cooling water control device for casting mold | |
| CN202016182U (en) | Temperature control device for charging opening of injection molding machine | |
| CN204712409U (en) | A kind of extruder with automatic feeding device | |
| CN202011143U (en) | Temperature control device for feed port of extruder | |
| CN106216641A (en) | Lead liquid supplying device is used in a kind of accumulator cell lead bus-bar casting | |
| CN206281096U (en) | A kind of new Regional Energy secondary pumping system of utilization transmission pipeline network accumulation of energy | |
| CN109181063A (en) | A kind of compound plastics lined pipe of HDPE steel strip reinforced and its production technology | |
| CN201272008Y (en) | Energy-saving structure for melt adhesive drum of injection moulding machine | |
| CN203510594U (en) | Injection molding machine for automatic demoulding without material handle | |
| CN207094995U (en) | A kind of new continuous output cisten mechanism of intelligent bidet hot and cold water mixing | |
| CN211616356U (en) | Injection mold system with temperature regulation function | |
| CN201483734U (en) | Cooling device of plastic extruder | |
| CN211307286U (en) | Cooling system control device of injection mold | |
| CN204612468U (en) | The recovery aluminium of automatic charging melts hot stove | |
| CN209681067U (en) | A kind of casting mould of Novel portable rapid shaping | |
| CN206406429U (en) | Extrusion molding production line chilled(cooling) water supply (CWS) system | |
| CN206253624U (en) | A kind of energy-saving environment-protecting type tap manufacture device | |
| CN201592509U (en) | Modification of extruder structure | |
| CN205851863U (en) | Fully-automatic intelligent casting system casting ladle | |
| CN206045526U (en) | Motor cycle cooling system water filter | |
| CN204977118U (en) | Plastic granulator of controllable prompt drop temperature | |
| CN203840924U (en) | Automatic discharging device for pigsty | |
| CN112976498B (en) | Be used for interior decoration environmental protection plastic slab injection mold | |
| CN207617168U (en) | A kind of mixing extruded moulding device for particulate matter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111026 |