CN111251653B - Carbon dioxide extremely-cooled mold cooling device - Google Patents
Carbon dioxide extremely-cooled mold cooling device Download PDFInfo
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- CN111251653B CN111251653B CN201811463957.4A CN201811463957A CN111251653B CN 111251653 B CN111251653 B CN 111251653B CN 201811463957 A CN201811463957 A CN 201811463957A CN 111251653 B CN111251653 B CN 111251653B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/34—Heating or cooling presses or parts thereof
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Abstract
The invention discloses a carbon dioxide extremely-cold mold cooling device which comprises a mold, wherein a cooling hole and a temperature measuring hole are formed in the middle of the top of the mold, a capillary tube is installed in the cooling hole, and one end of the capillary tube is connected with a valve body of an electromagnetic controller. The downthehole sleeve pipe temperature sensor that installs of temperature measurement, sleeve pipe temperature sensor's link is connected with the data line, the one end of data line is connected with the PLC controller, the data output end intercommunication of PLC controller has the connecting wire, the one end of connecting wire is connected with a plurality of solenoid electric controllers, and this carbon dioxide utmost point cold mold cooling device carries out the local cooling through the capillary, is applicable to the narrowest temperature control in the mould, through PLC programming controller control cooling time, makes mould temperature control realize automatic digitization, can effectual solution reduce the gas pocket, adjusts the gas pocket position, solves the sizing problem, improves the qualification rate of product, reduces cooling time, reduces cycle time.
Description
Technical Field
The invention relates to the technical field of mold cooling, in particular to a carbon dioxide extremely-cold mold cooling device.
Background
The die is various dies and tools which are commonly used for obtaining required products in the industrial production by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods. The mould realizes the appearance of an article through the change of the physical state of a formed material to manufacture a tool of the formed article. In the hot working process, after the mold shapes the article, the mold needs to be cooled, and the temperature of the article is reduced to achieve the purpose of quickly forming the article.
The existing hot working mold cooling system mainly utilizes circulating water to cool a mold, a mold hot node or a part needing cooling, and the cooling area can not reach the required temperature in unit time due to the limitation of the physical limit of water, and the heat accumulation in the area of the mold caused by the cycle of machining and molding can not meet the requirement of molding temperature. In addition, cooling requires access loops to be machined into the mold. To the cooling of the local point of the position of the non-machinable loop, the cooling medium of the circulating cooling and the point cooling is water, under the high temperature state, the scaling of the inner wall of the water channel causes the cooling rate to be reduced, the cleaning is time-consuming and labor-consuming, and the die cooling water is in a normally open state, so that the die temperature can not be monitored and adjusted in real time.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a carbon dioxide extremely-cold mold cooling device, wherein carbon dioxide is used as a coolant, the basic temperature in the physical characteristics is minus 37 ℃, the liquid carbon dioxide evaporates to absorb the heat of a mold, and the mold does not need an additional processing loop. The problem of among the prior art coolant be water, under high temperature state, the water course inner wall scale deposit causes cooling rate to reduce, and the clearance is wasted time and energy, and mould cooling water is the unable mould temperature monitoring of carrying on of normally open state and adjusts in real time is solved.
In order to achieve the purpose, the invention is realized by the following technical scheme: a cooling device for a carbon dioxide electrode cooling die comprises a die, wherein a cooling hole and a temperature measuring hole are formed in the middle of the top of the die, a capillary tube is installed in the cooling hole, and one end of the capillary tube is connected with a valve body of an electromagnetic controller. The utility model discloses a temperature measuring device, including temperature measuring hole, solenoid controller, temperature measuring hole, connecting end, data line, the one end of data line is connected with the PLC controller, the data output end intercommunication of PLC controller has the connecting wire, the one end of connecting wire is connected with a plurality of solenoid electric wares, the bottom of solenoid electric ware is provided with many solenoid valve body, many solenoid valve body's surface is provided with the valve body and connects, the one end that the valve body connects is connected with the capillary connecting pipe, the one end intercommunication of capillary connecting pipe has the cooling hole, the cooling hole evenly sets up in the inside of mould, many solenoid valve body's import intercommunication has first connecting pipe, the one end of first connecting pipe has the second connecting pipe through the connector intercommunication, the one end of second connecting pipe has the carbon dioxide gas cylinder through the connector intercommunication.
Furthermore, the interior of the PLC is provided with a storage unit, the surface of the PLC is provided with a programming connection port, and the surface of the PLC is provided with an opening matched with the PLC.
Furthermore, the multi-way electromagnetic valve body channels are set to be one to eight channels, the number of the electromagnetic controllers is one to eight, and each electromagnetic controller controls one channel of the multi-way electromagnetic valve body.
Furthermore, the electromagnetic controllers are connected in parallel through connecting lines of the electromagnetic controllers, and the electromagnetic controllers are controlled by the PLC and are in a normally closed state when not in work.
Furthermore, each channel of the multi-way electromagnetic valve body is provided with five outlets which are matched, the number of the electromagnetic valve body joints is the same as that of the outlets, and the surface of the inner wall of each outlet is in threaded connection with the surface of each electromagnetic valve body joint.
Furthermore, a temperature measuring hole matched with the sleeve temperature sensor is formed in the die.
Further, the interior of the die is provided with cooling holes matched with the capillaries.
Further, the inside of the mold is provided with cooling holes for cooling by utilizing the physical properties of carbon dioxide.
Compared with the prior art, the invention has the beneficial effects that:
(1) this carbon dioxide utmost point cold die cooling device carries out the local cooling through the capillary, is applicable to the narrowest temperature control in the mould, and sleeve pipe temperature controller feedback temperature real-time signal through PLC programming controller control cooling time, and the mould possesses more steady more stable temperature, makes mould temperature control realize automatic digitization. The device can effectively solve the problems of reducing air holes, adjusting the positions of the air holes, solving the problem of sticking materials, improving the qualification rate of products, reducing the cooling time and reducing the cycle time.
(2) This carbon dioxide utmost point cold die cooling device, the inside cooling hole that is provided with of mould, cooling hole diameter 2 millimeters or littleer, the capillary can arrange at will according to the molding of mould, and control system is easy and simple to handle, utilizes temperature sensor to detect the temperature, and is more accurate to liquid carbon dioxide coolant liquid release control, realizes that temperature control is more accurate.
(3) This carbon dioxide utmost point cold mould cooling device connects first connecting pipe and second connecting pipe through the connecting piece, and the carbon dioxide gas cylinder is connected through the connecting piece to the second connecting pipe, and when the second connecting pipe appears damaging, the second connecting pipe is changed to split formula connecting pipe, the convenient connecting piece of dismantling, reduces cost of maintenance, the dismantlement of the device of being convenient for, convenient transportation.
(4) Due to the limitation of the physical limit of water, the cooling area can not reach the required temperature in unit time, and the heat accumulation in the area of the die caused by the cycle of processing and forming can not meet the requirement of the forming temperature. Carbon dioxide is used as a cooling agent, the basic temperature of the physical property of the carbon dioxide is minus 37 ℃, the liquid carbon dioxide can absorb the heat of the die by evaporation, and the die does not need an additional processing loop.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;
FIG. 3 is a partial cross-sectional structural schematic view of the multi-way solenoid valve body of the present invention.
In the figure: the device comprises a 1-carbon dioxide gas cylinder, a 2-mould, a 3-PLC controller, a 4-multi-way electromagnetic valve body, a 5-electromagnetic controller, a 6-electromagnetic controller connecting line, a 7-sleeve temperature sensor data line, an 8-temperature measuring hole, a 9-sleeve temperature sensor, a 10-electromagnetic valve body connector, an 11-capillary tube, a 12-cooling hole, a 13-first connecting tube and a 1301-second connecting tube.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a carbon dioxide extremely-cold mold cooling device comprises a mold 2, a temperature measuring hole 8 and a cooling hole 12 are formed in the middle of the top of the mold 2, a sleeve temperature sensor 9 is installed in the temperature measuring hole, a connecting end of the sleeve temperature sensor 9 is connected with a sleeve temperature sensor data line 7, the sleeve temperature sensor 9 is communicated with a PLC 3 through the sleeve temperature sensor data line 7, transmission processing of temperature data is facilitated, one end of the data line 7 is connected with the PLC 3, a data output end of the PLC 3 is communicated with a connecting line 6, one end of the connecting line 6 is connected with a plurality of electromagnetic controllers 5, multi-way electromagnetic valve bodies 4 are arranged at the bottoms of the electromagnetic controllers 5, valve body connectors 10 are arranged on the surfaces of the multi-way electromagnetic valve bodies 4, one ends of the valve body connectors 10 are connected with capillary connecting pipes 11, the diameter of the cooling hole 12 is equal to or smaller than 2mm, and the diameter of the cooling hole 12 is larger than the capillary 12, the multi-way electromagnetic valve body 4 is communicated with a first connecting pipe 13 at the inlet, one end of the first connecting pipe 13 is communicated with a second connecting pipe 1301 through a connecting head, one end of the second connecting pipe 1301 is communicated with a carbon dioxide gas cylinder 1 through the connecting head, a storage unit is arranged inside the PLC 3, a programming connecting port is arranged on the surface of the PLC, an interface matched with the PLC 3 is arranged on the surface of the protective box 1, the channels of the multi-way electromagnetic valve body 4 are arranged into 1-8 channels, the number of the electromagnetic controllers 5 is 8, each electromagnetic controller 5 controls one channel of the multi-way electromagnetic valve body 4, the eight electromagnetic controllers 5 are connected in parallel through connecting wires 6, the connecting wires 6 are convenient for the PLC 3 to respectively control the 8 electromagnetic controllers 5, the electromagnetic controllers 5 are controlled by the PLC 3 and are in a normally closed state when not working, and 5 matched outlets are opened and closed on each channel of the multi-way electromagnetic valve body 4, the number of the electromagnetic valve body connectors 10 is the same as that of the outlets, the surface of the inner wall of each outlet is in threaded connection with the surface of each electromagnetic valve body connector 10, temperature measuring holes 8 matched with the temperature measuring holes are formed in the die 2, the temperature measuring holes 8 and the cooling holes 12 facilitate the capillary 11 and the sleeve temperature sensor 9 to pass through, and data transmission of the sleeve temperature sensor 9 is facilitated.
During the use, this carbon dioxide mould cooling device, including setting up the capillary 11 of the cooling usefulness inside the mould, and the mould top is provided with sleeve pipe temperature sensor 9, detect the temperature of mould and turn into signal of telecommunication PLC controller 3 with temperature data through sleeve pipe temperature sensor 9, PLC controller 3 is according to the well-worked out program that the storage element stored, turn on electromagnetic controller 5 in good time, the electromagnetic controller case rises under the electromagnetic force effect, many-way solenoid valve body 4 opens, carbon dioxide liquid cooling medium is carried to the terminal cooling hole of capillary 11 under the pressure effect, the pressure and the atmospheric pressure at cooling part are the same this moment, a large amount of mould heat is taken away simultaneously in the gasification of liquid carbon dioxide, carbon dioxide gas passes through the clearance between capillary 11 and the cooling hole and arranges the mould outside.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. A carbon dioxide extremely-cold mold cooling device comprises a mold (2), wherein a cooling hole (12) and a temperature measuring hole (8) are formed in the middle of the top of the mold, a capillary tube (11) is installed in the cooling hole (12), the other end of the capillary tube (11) is connected with a solenoid controller valve body through an electromagnetic valve body joint (10), a sleeve temperature sensor (9) is installed in the temperature measuring hole (8), a sleeve temperature sensor (9) is arranged in the temperature measuring hole (8) in the middle of the top of the mold (2), the connecting end of the sleeve temperature sensor (9) is connected with a sleeve temperature sensor data line (7), one end of the sleeve temperature sensor data line (7) is connected with a PLC (3), the data signal output end of the PLC (3) is communicated with a solenoid controller connecting line (6), one end of the solenoid controller connecting line (6) is connected with a plurality of solenoid controllers (5), the electromagnetic control device is characterized in that a multi-way electromagnetic valve body (4) is arranged at the bottom of the electromagnetic controller (5), an electromagnetic valve body joint (10) is arranged on the surface of the multi-way electromagnetic valve body (4), one end of the electromagnetic valve body joint (10) is connected with a capillary tube (11), the other end of the capillary tube (11) is communicated with a cooling hole (12) in the mold, the cooling hole (12) is uniformly arranged in the mold (2), an inlet of the multi-way electromagnetic valve body (4) is communicated with a first connecting pipe (13), one end of the first connecting pipe (13) is communicated with a second connecting pipe (1301) through a connecting head, and one end of the second connecting pipe (1301) is communicated with a liquid carbon dioxide gas cylinder (1) through the connecting head;
the multi-way electromagnetic valve body (4) channels are set to be one to eight channels, the number of the electromagnetic controllers (5) is one to eight, and each electromagnetic controller (5) controls one channel of the multi-way electromagnetic valve body (4);
the electromagnetic controllers (5) are connected in parallel through electromagnetic controller connecting wires (6), the electromagnetic controllers (5) are respectively controlled by the PLC (3) and are in a normally closed state when not in work, and working signals are fed back and set by the PLC (3) through temperature signals, time signals and external action signals.
2. The cooling device for the carbon dioxide ultra-cold mold according to claim 1, wherein: the PLC controller (3) is internally provided with a storage unit, and the surface of the PLC controller is provided with a programming connection port.
3. The cooling device for the carbon dioxide ultra-cold mold according to claim 1, wherein: each channel of the multi-way electromagnetic valve body (4) is opened and closed with 5 matched outlets, the number of the electromagnetic valve body connectors (10) is the same as that of the outlets, and the surface of the inner wall of each outlet is in threaded connection with the surface of each electromagnetic valve body connector (10).
4. The cooling device for the carbon dioxide ultra-cold mold according to claim 1, wherein: and a temperature measuring hole (8) matched with the sleeve temperature sensor (9) is formed in the die (2).
5. The cooling device for the carbon dioxide ultra-cold mold according to claim 1, wherein: and cooling holes (12) matched with the capillaries (11) are formed in the die (2).
6. The cooling device for the carbon dioxide ultra-cold mold according to claim 1, wherein: the inside of the mould (2) is provided with cooling holes, and the cooling holes are cooled by utilizing the physical characteristics of carbon dioxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811463957.4A CN111251653B (en) | 2018-12-03 | 2018-12-03 | Carbon dioxide extremely-cooled mold cooling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811463957.4A CN111251653B (en) | 2018-12-03 | 2018-12-03 | Carbon dioxide extremely-cooled mold cooling device |
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| Publication Number | Publication Date |
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| CN111251653A CN111251653A (en) | 2020-06-09 |
| CN111251653B true CN111251653B (en) | 2022-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811463957.4A Active CN111251653B (en) | 2018-12-03 | 2018-12-03 | Carbon dioxide extremely-cooled mold cooling device |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE9604592L (en) * | 1996-12-13 | 1998-02-02 | Aga Ab | Method and apparatus for cooling a condensing gas forming tool |
| CN101444952B (en) * | 2007-11-27 | 2012-07-11 | 北京中拓机械有限责任公司 | Method for rapid controlling the temperature variation of an injection mold |
| CN104097288B (en) * | 2013-04-09 | 2016-10-05 | 青岛科技大学 | A kind of supercritical fluid auxiliary polyalcohol moulded from foam device |
| CN204353359U (en) * | 2014-12-24 | 2015-05-27 | 长沙成进汽车配件有限公司 | For the equipment for cooling die of motor bellows forming machine |
| CN204471786U (en) * | 2015-01-21 | 2015-07-15 | 金华市毓薇饰品制造有限公司 | A kind of injection machine mould heating and cooling device |
| CN105835324B (en) * | 2016-05-25 | 2018-06-19 | 南华大学 | Nano-fluid assists rapid thermal cycles injection molding system and injection molding forming method |
| CN206009772U (en) * | 2016-08-16 | 2017-03-15 | 上海一达机械有限公司 | Fluid circulation control system and die casting cooling device |
| CN107901369A (en) * | 2017-12-08 | 2018-04-13 | 湖北科蓝科技有限公司 | Fast change mould temperature device and alternating temperature control method based on supercritical fluid |
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