CN104890206A - Control device for carrying out sequential temperature variation on mould - Google Patents
Control device for carrying out sequential temperature variation on mould Download PDFInfo
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- CN104890206A CN104890206A CN201510299087.1A CN201510299087A CN104890206A CN 104890206 A CN104890206 A CN 104890206A CN 201510299087 A CN201510299087 A CN 201510299087A CN 104890206 A CN104890206 A CN 104890206A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/78—Measuring, controlling or regulating of temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76531—Temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76655—Location of control
- B29C2945/76732—Mould
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention provides a control device for carrying out sequential temperature variation on a mould, and belongs to the technical field of moulds. The control device solves the technical problems that an existing mould temperature control device is complex in structure and relatively low in temperature conversion efficiency. The control device for carrying out sequential temperature variation on the mould comprises a cylinder body and a regulating valve element, wherein the cylinder body is provided with a high-temperature inlet and outlet tube set, a low-temperature inlet and outlet tube set and a mould inlet and outlet tube set; the regulating valve element is arranged in the cylinder body and provided with an input channel and an output channel; through the input channel and the output channel, the mould inlet and outlet tube set and the high-temperature inlet and outlet tube set can be communicated to form a high-temperature flow path communicated with the mould; when the regulating valve element is rotated, through the input channel and the output channel, the mould inlet and outlet tube set and the low-temperature inlet and outlet tube set form a low-temperature flow path communicated with the mould; when the high-temperature flow path is connected, the low-temperature flow path is blocked, and the high-temperature flow path is blocked when the low-temperature flow path is connected; and the regulating valve element rotates in the cylinder body to respectively realize connecting or blocking the high-temperature flow path and connecting or blocking the low-temperature flow path. The control device is simple in structure and relatively high in temperature conversion efficiency.
Description
Technical field
The invention belongs to technical field of mold, relate to a kind of control device, especially a kind of control device mould being carried out to order alternating temperature.
Background technology
Mould is used to the instrument of formed article, it is mainly used in coordinating the various moulding process in industrial production or forming method, wherein, in the plastic processing such as injection moulding, blowing, be provided with for the runner by different temperatures gas or liquid medium in mould, in process, medium passes through mould, realize being rapidly heated or lowering the temperature of mould, thus shortening forming time, improve working (machining) efficiency.
Such as, Authorization Notice No. is the device that the utility model patent of CN 201169046Y discloses a kind of quick control injection mold variations in temperature, it comprises steam/chilled(cooling) water return (CWR), compressed air cleaning is gone the same way and pilot gas path and central control unit, wherein, steam generator is disclosed in steam/chilled(cooling) water return (CWR), multiple manual switch valve, controlled switch valve, the technical characteristics such as the fluid passage in mould, compressed air supply is disclosed in compressed air cleaning path and pilot gas path, multiple manual switch valve and multiple controlled switch valve, although this device can realize the cyclically-varying of mold temperature, shorten molding cycle, reduce energy consumption, but steam loop and chilled(cooling) water return (CWR) all control its connected sum by multiple manual switch valve and controlled switch valve to be blocked, therefore there is following problem, 1, its structure is too complicated, use cost is higher, also inconvenience maintenance simultaneously, 2, manual switch valve and controlled switch valve are all by Artificial Control, and its automaticity is lower, add the labour intensity of staff, 3, being communicated with and blocking-up of steam loop and chilled(cooling) water return (CWR) is realized by Artificial Control manual switch valve and controlled switch valve, steam loop is longer with being communicated with the conversion time of blocking-up of chilled(cooling) water return (CWR), greatly reduce the conversion efficiency of mold temperature, thus extend the molding cycle of product.
In sum, in order to solve the technical problem that said apparatus exists, need to design that a kind of structure is simple, automaticity is high and the mold in turn temp change controller that mold temperature conversion efficiency is higher.
Summary of the invention
The object of the invention is the problems referred to above existed for prior art, propose that a kind of structure is simple, automaticity is high and the mold in turn temp change controller that mold temperature conversion efficiency is higher.
Object of the present invention realizes by following technical proposal: a kind of mold in turn temp change controller, comprises
Cylinder body, is provided with high temperature inlet/outlet pipe group, low temperature inlet/outlet pipe group and mould inlet/outlet pipe group;
Regulating spool, it to be arranged in cylinder body and to be provided with input channel and output channel, input channel and output channel can make mould inlet/outlet pipe group be communicated with high temperature inlet/outlet pipe group and form the high heat flow path be communicated with mould, when regulating spool rotates, input channel and output channel make mould inlet/outlet pipe group form with low temperature inlet/outlet pipe group the low heat flow path be communicated with mould;
When described high heat flow path is communicated with, low heat flow path blocks, and when described low heat flow path is communicated with, high heat flow path blocks.
In above-mentioned a kind of mold in turn temp change controller, high temperature inlet/outlet pipe group comprises high temperature input pipe and high temperature efferent duct, mould inlet/outlet pipe group comprises mould input pipe and mould efferent duct, low temperature inlet/outlet pipe group comprises low temperature input pipe and low temperature efferent duct, when input channel be communicated with high temperature input pipe with mould input pipe and output channel is communicated with high temperature efferent duct and mould efferent duct time, high heat flow path is communicated with and low heat flow path blocks, when input channel be communicated with low temperature input pipe with mould input pipe and output channel is communicated with low temperature efferent duct and mould efferent duct time, low heat flow path is communicated with and high heat flow path blocks.
In above-mentioned a kind of mold in turn temp change controller, described input channel has two, it comprises high temperature input channel and low temperature input channel, when high temperature input channel is communicated with high temperature input pipe and mould input pipe, high heat flow path is communicated with, when low temperature input channel is communicated with low temperature input pipe and mould input pipe, low heat flow path is communicated with.
In above-mentioned a kind of mold in turn temp change controller, described input channel and output channel are the connectivity slot be opened on regulating spool.
In above-mentioned a kind of mold in turn temp change controller, described cylinder body is also provided with high temperature circulation pipe, when low heat flow path is communicated with and high heat flow path blocks, described high temperature circulation pipe is communicated with high temperature input pipe and forms high temperature circulation stream.
In above-mentioned a kind of mold in turn temp change controller, described cylinder body is also provided with low-temperature circulating pipe, when high heat flow path is communicated with and low heat flow path blocks, described low-temperature circulating pipe is communicated with low temperature input pipe and forms low-temperature circulating stream.
In above-mentioned a kind of mold in turn temp change controller, regulating spool outer surface is provided with axial location groove, cylinder body madial wall is provided with axial location portion, described axial location portion is positioned at axial location groove.
In above-mentioned a kind of mold in turn temp change controller, regulating spool bottom surface is provided with located lateral groove, cylinder interior lower surface is provided with located lateral portion, described located lateral portion is positioned at located lateral groove.
In above-mentioned a kind of mold in turn temp change controller, cylinder base is provided with mount pad, mount pad is provided with motor, the rotating shaft of motor is passed mount pad and is stretched in cylinder body and is connected with regulating spool.
In above-mentioned a kind of mold in turn temp change controller, bottom regulating spool, be provided with mounting blocks, mounting blocks offers connecting hole, connecting hole madial wall offers fixed gap, rotating shaft is provided with fixed block, and described rotating shaft is inserted in connecting hole and fixed block embeds in fixed gap.
Compared with prior art, the present invention has following beneficial effect:
1, this device comprises cylinder body and regulating spool, cylinder body is provided with high-temperature conduit group, low temperature water pipe group and mould water pipe group, spool is provided with intake tunnel and exhalant canal, regulating spool rotates in cylinder body, realize high-temperature conduit group respectively to communicate with mould water pipe group and low temperature water pipe group communicates with mould water pipe group, its structure is comparatively simple, and use cost is lower, further, whole device also easily keeps in repair when breaking down.
2, rotated by regulating spool, make high-temperature water, water at low temperature through mould respectively, because regulating spool temperature discontinuity increases, regulating spool cannot control it by staff and rotate, and had by motor etc. and drive the actuator of function to drive it to rotate, therefore, wherein automaticity is higher, reduces the labour intensity of staff.
3, rotate by regulating spool the conversion that this action just can realize high temperature water route and low temperature water route, its conversion time is short, and achieve rapid temperature increases and the cooling of mould, thus shorten the molding cycle of product, shaping efficiency is higher.
Accompanying drawing explanation
Fig. 1 is the assembling stereogram of a preferred embodiment of the present invention.
Fig. 2 is the stereogram of spool in a preferred embodiment of the present invention.
Fig. 3 is the state diagram that in a preferred embodiment of the present invention, high temperature water route is communicated with.
Fig. 4 is the state diagram that in a preferred embodiment of the present invention, low temperature water route is communicated with.
In figure, 100, cylinder body; 110, installing hole; 120, high temperature input pipe; 130, high temperature efferent duct; 140, low temperature input pipe; 150, low temperature efferent duct; 160, mould input pipe; 170, mould efferent duct; 180, high temperature circulation pipe; 190, low-temperature circulating pipe; 200, regulating spool; 210, input channel; 211, high temperature input channel; 212, low temperature input channel; 220, output channel; 230, annular mounting groove; 240, located lateral groove; 250, mounting blocks; 251, connecting hole; 252, fixed gap; 300, high temperature casing; 400, low temperature casing; 500, mould; 600, mount pad; 610, motor.
Detailed description of the invention
Be below specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiments.
It should be noted that, this structure of the present invention is rapidly heated and fast cooling mainly for mould, thus realize the rapid shaping of product, and be rapidly heated and realized by high-temperature medium or cryogenic media flow through molds with fast cooling, this medium can be high-temperature water, water at low temperature, also can be high-temperature gas and cryogenic gas.
In addition, the arrow in figure represents the flow direction of medium.
As shown in Fig. 1, Fig. 3, Fig. 4, a kind of mold in turn temp change controller, comprises cylinder body 100 and regulating spool 200.
Cylinder body 100 is circular, cylinder body 100 inner hollow, cylinder body 100 offers multiple installing hole 110, in above-mentioned installing hole 110, one_to_one corresponding is provided with high temperature input pipe 120, high temperature efferent duct 130, low temperature input pipe 140, low temperature efferent duct 150, mould input pipe 160 and mould efferent duct 170, high temperature input pipe 120 is symmetrical with low temperature efferent duct 150, high temperature casing 300 is provided with between high temperature input pipe 120 and high temperature efferent duct 130, high temperature casing 300 is built with high-temperature water or high-temperature gas, high temperature input pipe 120 communicates with high temperature casing 300 respectively with high temperature efferent duct 130.
Low temperature input pipe 140 is symmetrical with high temperature efferent duct 130, low temperature input pipe 140 and low temperature export close between be provided with low temperature casing 400, low temperature casing 400 is built with water at low temperature or cryogenic gas, and low temperature input pipe 140 and low temperature export to close and is communicated with low temperature casing 400 respectively.
Mould input pipe 160 is symmetrical with mould efferent duct 170, mould 500 is provided with between mould input pipe 160 and mould efferent duct 170, be provided with the passage by liquid or gas in mould 500, mould input pipe 160 communicates with passage respectively with mould efferent duct 170.
As shown in Figures 2 to 4, regulating spool 200 is arranged in cylinder body 100, regulating spool 200 is provided with input channel 210 and output channel 220, mount pad 600 is provided with bottom cylinder body 100, cylinder body 100 is fixedly mounted on the upper surface of mount pad 600, by mount pad 600, this device can be connected with miscellaneous equipment or fix, motor 610 is installed bottom mount pad 600, the rotating shaft (not shown) of motor 610 is passed mount pad 600 and is stretched in cylinder body 100 and is connected with regulating spool 200, motor 610 can drive regulating spool 200 to rotate in cylinder body 100.
The production initial stage, the initial temperature of mould 500 is normal temperature, high temperature input pipe 120 is communicated with input channel 210 respectively with mould input pipe 160, high temperature efferent duct 130 and mould efferent duct 170 are communicated with output channel 220 respectively and form high heat flow path, high-temperature water in high temperature casing 300 or high-temperature gas flow through mould 500 by high heat flow path, make mould 500 rapid temperature increases, thus reach the temperature needed for corresponding technique, be convenient to raw material shaping in mould 500.
During production is carried out, when the temperature of raw material constantly passes to mould 500, regulating spool 200 turns clockwise certain angle, input channel 210 is also communicated with low temperature input pipe 140 and mould input pipe 160 respectively away from high temperature input pipe 120, output channel 220 is also communicated with low temperature respectively away from high temperature efferent duct 130 and exports pass and mould efferent duct 170, form low heat flow path, and now, high heat flow path blocks, water at low temperature in low temperature casing 400 or cryogenic gas flow through mould 500 by low heat flow path, mould 500 temperature is controlled within the specific limits, prevent mould 500 temperature too high and raw material is had a negative impact, thus ensure normal production.
It should be noted that, regulating spool 200 in the present invention adopts and moves back and forth, but not one-directional rotation, that is, under original state, high heat flow path is communicated with, and mould 500 heats up, when mould 500 needs to lower the temperature, regulating spool 200 rotates, high heat flow path blocks and low heat flow path is communicated with, and when mould 500 needs to heat up again, regulating spool 200 transfers back to initial position.
As Fig. 3, shown in Fig. 4, as improvement, input channel 210 has two, it comprises high temperature input channel 211 and low temperature input channel 212, when high temperature input channel 211 is communicated with high temperature input pipe 120 and mould input pipe 160, when output channel 220 is communicated with high temperature efferent duct 130 with mould efferent duct 170, high heat flow path is communicated with, now, low temperature input pipe 140 is only communicated with low temperature output channel 220, low heat flow path blocks, when low temperature input channel 212 is communicated with low temperature input pipe 140 and mould input pipe 160, when output channel 220 is communicated with low temperature efferent duct 150 with mould efferent duct 170, low heat flow path is communicated with, and high heat flow path blocks.
Because mould 500 will respectively by high-temperature medium and cryogenic media, rotated by regulating spool 200, realize the rapid conversion of high-temperature medium and cryogenic media, if high-temperature medium and cryogenic media share an input channel 210, and the medium temperature that front and back are passed through is different, so when changing, there is certain influence in the temperature of the medium first passed through to the rear medium passed through, effect when causing mould 500 heat up or lower the temperature is poor, in the present invention, input channel 210 is divided into high temperature input channel 211 and low temperature input channel 212, the corresponding high-temperature medium of high temperature input channel 211, the corresponding cryogenic media of low temperature input channel 212, the two does not interfere with each other, therefore, avoid the generation of above-mentioned situation, ensure that intensification and the cooling-down effect of mould 500.
As improvement, described input channel 210 is connectivity slot with output channel 220, and described connectivity slot is opened on regulating spool 200 outer surface.
Herein, input channel 210 and the shape of output channel 220 are set to connectivity slot, and connectivity slot is opened on regulating spool 200 outer surface, for regulating spool 200, connectivity slot processing is comparatively simple, processing cost is lower, connectivity slot by liquid or gas flow larger, being rapidly heated or lowering the temperature and play certain booster action mould 500, certainly, input channel 210 and output channel 220 also can be communicating passage, namely input channel 210 and output channel 220 are all inner through regulating spool 200, but obviously, relative to connectivity slot, its processing is more difficult.
As shown in Figure 3, Figure 4, as improvement, the high temperature circulation pipe 180 communicated with cylinder body 100 inside is also provided with at cylinder body 100 outer surface, this high temperature circulation pipe 180 is between high temperature input pipe 120 and high temperature efferent duct 130, when low heat flow path is communicated with and high heat flow path blocks, described high temperature circulation pipe 180 is communicated with high temperature input pipe 120 and forms high temperature circulation stream.
After forming high temperature circulation stream, high-temperature water in high temperature casing 300 or high-temperature gas are flowed out by high temperature casing 300, through high temperature input pipe 120, high temperature input channel 211 and high temperature circulation pipe 180 are back in high temperature casing 300 again, when low heat flow path is communicated with, high-temperature medium energy automatic cycle in high temperature circulation stream, and when low heat flow path blocks, high heat flow path automatic switching on and high temperature circulation stream block automatically, rotation only by regulating spool 200 can realize this function, without the need to carrying out switch control rule to it, its structure is simpler, its control program is also quite simple, ensure that the cost that the present invention is lower, high temperature circulation stream makes high-temperature medium carry out preheating to high temperature input pipe 120 and high temperature input channel 211, prevent its temperature from reducing and affect the temperature of high-temperature medium, when high heat flow path is communicated with, high-temperature medium is identical with the temperature of high temperature input channel 211 with high temperature input pipe 120, its rapid temperature increases being mould 500 provides precondition.
As improvement, cylinder body 100 outer surface is also provided with the low-temperature circulating pipe 190 communicated with cylinder body 100 inside, this low-temperature circulating pipe 190 is between low temperature input pipe 140 and low temperature efferent duct 150, when high heat flow path is communicated with and low heat flow path blocks, described low-temperature circulating pipe 190 is communicated with low temperature input pipe 140 and forms low-temperature circulating stream.
Same, when high heat flow path is communicated with, cryogenic media energy automatic cycle in low-temperature circulating stream, without the need to carrying out switch control rule to it, control cost to greatest extent, low-temperature circulating stream makes cryogenic media carry out precooling to low temperature input pipe 140 and low temperature input channel 212, prevent its temperature from raising and affect the temperature of cryogenic media, when low heat flow path is communicated with, cryogenic media is identical with the temperature of low temperature input channel 212 with low temperature input pipe 140, and it is that the rapid cooling of mould 500 provides precondition.
As shown in Figure 2, annular mounting groove 230 is respectively arranged with at regulating spool 200 two ends, this annular mounting groove 230 is arranged around regulating spool 200 outer surface, be provided with sealing ring (not shown) in described annular mounting groove 230, described sealing ring is against annular mounting groove 230 respectively with on cylinder body 100.
Certain interval is there is between regulating spool 200 and cylinder body 100, its sealing is poor, part high-temperature medium or cryogenic media are when through input channel 210 and output channel 220, the gap between regulating spool 200 and cylinder body 100 can be entered into, and ooze out from the two ends of cylinder body 100, cause leakage and the waste of medium, and two ends arrange annular mounting groove 230 on regulating spool 200, in annular mounting groove 230, sealing ring is installed, add the sealing between regulating spool 200 and cylinder body 100, avoid dielectric leakage, simultaneously, also certain insulation effect is played to high-temperature medium and cryogenic media.
Further, regulating spool 200 bottom surface is provided with located lateral groove 240, this located lateral groove 240 is one and is arranged on regulating spool 200 ringwise, cylinder body 100 interior lower end face is provided with located lateral portion (not shown), located lateral portion is positioned at located lateral groove 240, located lateral groove 240 coordinates with located lateral portion, adds stability when regulating spool 200 rotates, and prevents regulating spool 200 transverse shifting in cylinder body 100.
As shown in Figure 2, mounting blocks 250 is provided with bottom regulating spool 200, mounting blocks 250 offers connecting hole 251, connecting hole 251 madial wall offers fixed gap 252, rotating shaft is provided with fixed block (not shown), and described rotating shaft is inserted in connecting hole 251 and fixed block embeds in fixed gap 252.
The rotating shaft of motor 610 is inserted in installing hole 110, and drive regulating spool 200 to rotate by fixed block with coordinating of fixed gap 252, its syndeton is simpler, dismounting is more convenient, be convenient to maintenance, and the setting of mounting blocks 250, then add the contact length of motor 610 rotating shaft and regulating spool 200, regulating spool 200 is rotated more stable.
The present invention in use, high temperature casing 300 and low temperature casing 400 are opened, and in use procedure, high temperature casing 300 and low temperature casing 400 are often opened, high temperature casing 300 does not stop to carry high-temperature medium to high temperature input pipe 120, and low temperature casing 400 does not stop to low temperature input pipe 140 transporting low temperature medium.
Under original state, as shown in Figure 3, high temperature input channel 211 is communicated with high temperature input pipe 120 and mould input pipe 160, output channel 220 is communicated with high temperature efferent duct 130 and mould efferent duct 170, high heat flow path is communicated with, high-temperature medium enters in mould 500 by high temperature casing 300 through high heat flow path, mould 500 rises to required temperature fast, high-temperature medium at high heat flow path Inner eycle and make mould 500 continue to keep needed for high temperature, now, low heat flow path blocks, low temperature input channel 212 is communicated with low temperature input pipe 140 and low-temperature circulating pipe 190, cryogenic media is without mould 500 and circulate in low-temperature circulating stream, low temperature input pipe 140 and low temperature input channel 212 maintain original low temperature.
When mould 500 needs cooling, motor 610 drives regulating spool 200 to rotate in cylinder body 100, as shown in Figure 4, along with regulating spool 200 rotates, high temperature input channel 211, low temperature input channel 212, the position of output channel 220 changes, now, low temperature input channel 212 is communicated with low temperature input pipe 140 and mould input pipe 160, output channel 220 is communicated with low temperature efferent duct 150 and mould efferent duct 170, low heat flow path is communicated with and high heat flow path blocks, cryogenic media enters in mould 500 by low temperature casing 400 through low heat flow path, mould 500 is reduced to temperature required fast, and cryogenic media circulates in low heat flow path and make mould 500 continue to keep needed for low temperature, now, high temperature input channel 211 is communicated with high temperature input pipe 120 and high temperature circulation pipe 180, high-temperature medium is without mould 500 and circulate in high temperature circulation stream, high temperature input pipe 120 and high temperature input channel 211 maintain original temperature.
When mould 500 needs again to heat up, motor 610 drives regulating spool 200 to transfer back to initial position, and high heat flow path is communicated with and low heat flow path blocks.
In the present invention, rotated in cylinder body 100 by regulating spool 200, realize the switching of high heat flow path and low heat flow path, meet different temperature requirements during mould 500 different situations, shorten the time of formed product, improve shaping efficiency.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Claims (10)
1. a mold in turn temp change controller, is characterized in that: comprise
Cylinder body, is provided with high temperature inlet/outlet pipe group, low temperature inlet/outlet pipe group and mould inlet/outlet pipe group;
Regulating spool, it to be arranged in cylinder body and to be provided with input channel and output channel, input channel and output channel can make mould inlet/outlet pipe group be communicated with high temperature inlet/outlet pipe group and form the high heat flow path be communicated with mould, when regulating spool rotates, input channel and output channel make mould inlet/outlet pipe group form with low temperature inlet/outlet pipe group the low heat flow path be communicated with mould;
When described high heat flow path is communicated with, low heat flow path blocks, and when described low heat flow path is communicated with, high heat flow path blocks.
2. a kind of mold in turn temp change controller according to claim 1, it is characterized in that: high temperature inlet/outlet pipe group comprises high temperature input pipe and high temperature efferent duct, mould inlet/outlet pipe group comprises mould input pipe and mould efferent duct, low temperature inlet/outlet pipe group comprises low temperature input pipe and low temperature efferent duct, when input channel be communicated with high temperature input pipe with mould input pipe and output channel is communicated with high temperature efferent duct and mould efferent duct time, high heat flow path is communicated with and low heat flow path blocks, when input channel be communicated with low temperature input pipe with mould input pipe and output channel is communicated with low temperature efferent duct and mould efferent duct time, low heat flow path is communicated with and high heat flow path blocks.
3. a kind of mold in turn temp change controller according to claim 2, it is characterized in that: described input channel has two, it comprises high temperature input channel and low temperature input channel, when high temperature input channel is communicated with high temperature input pipe and mould input pipe, high heat flow path is communicated with, when low temperature input channel is communicated with low temperature input pipe and mould input pipe, low heat flow path is communicated with.
4. a kind of mold in turn temp change controller according to claim 1, is characterized in that: described input channel and output channel are the connectivity slot be opened on regulating spool.
5. a kind of mold in turn temp change controller according to claim 2, it is characterized in that: described cylinder body is also provided with high temperature circulation pipe, when low heat flow path is communicated with and high heat flow path blocks, described high temperature circulation pipe is communicated with high temperature input pipe and forms high temperature circulation stream.
6. a kind of mold in turn temp change controller according to claim 2, it is characterized in that: described cylinder body is also provided with low-temperature circulating pipe, when high heat flow path is communicated with and low heat flow path blocks, described low-temperature circulating pipe is communicated with low temperature input pipe and forms low-temperature circulating stream.
7. a kind of mold in turn temp change controller according to claim 1, it is characterized in that: be respectively arranged with annular mounting groove at regulating spool two ends, be provided with sealing ring in described annular mounting groove, described sealing ring is against on annular mounting groove and cylinder body respectively.
8. a kind of mold in turn temp change controller according to claim 1, is characterized in that: regulating spool bottom surface is provided with locating slot, cylinder interior lower surface is provided with location division, and described located lateral portion is positioned at located lateral groove.
9. a kind of mold in turn temp change controller according to claim 1, is characterized in that: cylinder base is provided with mount pad, mount pad is provided with motor, and the rotating shaft of motor is passed mount pad and stretched in cylinder body and is connected with regulating spool.
10. a kind of mold in turn temp change controller according to claim 9, it is characterized in that: bottom regulating spool, be provided with mounting blocks, mounting blocks offers connecting hole, connecting hole madial wall offers fixed gap, rotating shaft is provided with fixed block, and described rotating shaft is inserted in connecting hole and fixed block embeds in fixed gap.
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| CN201510299087.1A CN104890206A (en) | 2015-06-03 | 2015-06-03 | Control device for carrying out sequential temperature variation on mould |
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| CN201510299087.1A CN104890206A (en) | 2015-06-03 | 2015-06-03 | Control device for carrying out sequential temperature variation on mould |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757998A (en) * | 2018-08-20 | 2018-11-06 | 北京京仪自动化装备技术有限公司 | Control valve and control loop |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757998A (en) * | 2018-08-20 | 2018-11-06 | 北京京仪自动化装备技术有限公司 | Control valve and control loop |
| CN108757998B (en) * | 2018-08-20 | 2023-08-04 | 北京京仪自动化装备技术股份有限公司 | Control valve and control circuit |
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Application publication date: 20150909 |
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