CN112170810A - Temperature acquisition monitoring closed-loop control device - Google Patents
Temperature acquisition monitoring closed-loop control device Download PDFInfo
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- CN112170810A CN112170810A CN202010989866.5A CN202010989866A CN112170810A CN 112170810 A CN112170810 A CN 112170810A CN 202010989866 A CN202010989866 A CN 202010989866A CN 112170810 A CN112170810 A CN 112170810A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/32—Controlling equipment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/2218—Cooling or heating equipment for dies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/26—Mechanisms or devices for locking or opening dies
- B22D17/263—Mechanisms or devices for locking or opening dies mechanically
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Abstract
The invention discloses a temperature acquisition monitoring closed-loop control device, which comprises a rack, a mold clamping mechanism, an injection device and a circulating cooling device, wherein the mold comprises a fixed mold and a movable mold, a liquid injection hole is formed in the right side of the mold, the mold clamping mechanism is arranged on the rack and is used for driving the movable mold to cover or open the fixed mold, the injection device comprises an injection cavity, a driving block, a connecting rod, an elastic piece, a driven piece, a cam and a servo motor, the servo motor drives the cam to rotate, so that the cam and the driven piece are correspondingly matched to drive the driving block to slide in the injection cavity, molten metal is injected into the mold through the liquid injection hole, the circulating cooling device is connected with the mold, and the circulating cooling device is used for reducing the temperature of the mold.
Description
Technical Field
The invention relates to the technical field of die-casting temperature control, in particular to a temperature acquisition monitoring closed-loop control device.
Background
Die casting is a metal casting process and is characterized in that a die cavity is used for applying high pressure to molten metal. The mold is typically machined from a stronger alloy, a process somewhat similar to injection molding. Most die cast parts are iron-free, such as zinc, copper, aluminum, magnesium, lead, tin, and lead-tin alloys and their alloys. Depending on the type of die casting, either a cold chamber die casting machine or a hot chamber die casting machine may be used. Die casting machines can be largely divided into two different types, hot chamber and cold chamber, differing in how much force they can withstand, typical pressures ranging from 400 to 4000 kg. Cold chamber die casting may be used when die casting metals that cannot be used in the hot chamber die casting process, including aluminum, magnesium, copper, and zinc alloys with high aluminum content. In this process, the metal needs to be melted away first in a separate crucible. A quantity of molten metal is then transferred to an unheated injection chamber or nozzle. These metals are injected into the mold by hydraulic or mechanical pressure. The cold chamber die casting machine also has vertical and horizontal branch, and vertical die casting machine is the small-size machine usually, and horizontal die casting machine then has various models, and the mould heat balance effect of current horizontal die casting machine is poor, leads to the mould life-span to reduce by a wide margin, and the defective rate of product increases to the quality of product has been reduced.
Disclosure of Invention
The invention aims to provide a temperature acquisition monitoring closed-loop control device to solve the technical problem of poor mold heat balance effect in the prior art.
In order to achieve the above object, the technical solution of the present invention provides a temperature acquisition monitoring closed-loop control device, including:
a frame;
the die comprises a fixed die and a movable die, the fixed die is arranged on the rack and is provided with a first cavity, a liquid injection hole is formed in the right side of the first cavity, the movable die is provided with a second cavity, and the second cavity and the first cavity are correspondingly arranged to form a forming cavity of a product;
the die closing mechanism is arranged on the rack and used for driving the movable die to cover or open the fixed die;
the injection device comprises an injection cavity, a driving block, a connecting rod, an elastic piece, a driven piece, a cam and a servo motor, wherein the injection cavity is arranged on the right side of the fixed die, the left side of the injection cavity is communicated with the liquid injection hole, a through hole is formed in the right side of the injection cavity, the driving block is arranged in the injection cavity, the connecting rod penetrates through the through hole, one end of the connecting rod is connected with the driving block, the other end of the connecting rod is connected with the driven piece, the elastic piece is sleeved on the connecting rod, the elastic piece is located between the driven piece and the injection cavity, the servo motor is arranged on the rack, the cam is arranged on a rotating shaft of the servo motor, and the cam and the driven piece are correspondingly matched to drive the driving block to slide in the injection cavity;
and the circulating cooling device is connected with the mold and is used for reducing the temperature of the mold.
Preferably, the control device further comprises a die-casting control box, the die-casting control box is arranged on the rack, the movable die is provided with a first intermittent water flow channel, a first point cooling tube hole and a first normal water flow channel, the fixed die is provided with a second intermittent water flow channel, a second point cooling tube hole and a second normal water flow channel, the circulating cooling device comprises a water delivery main pipeline, a gas delivery main pipeline, a water backflow main pipeline, a first intermittent water supply device, a first normal water supply device, a first water backflow station, a second intermittent water supply device, a second normal water supply device, a second water backflow station and a PLC control module, and the PLC control module is used for controlling the circulating cooling device to cool the die;
wherein, the first intermittent water supply device comprises a first distribution box, a first distribution box and a first spot cooling head, two inlet ends of the first distribution box are respectively communicated with the water delivery main pipeline and the gas delivery main pipeline, an outlet end of the first distribution box is communicated with the inlet end of the first distribution box, an outlet end of the first distribution box is communicated with the inlet end of the first spot cooling head, the other outlet end of the first distribution box is communicated with the inlet end of the first intermittent water flow channel, an outlet end of the first intermittent water flow channel is communicated with the first water reflux station through a reflux pipeline, an outlet end of the first spot cooling head is communicated with the first water reflux station through a reflux pipeline, the first spot cooling head extends into the first spot cooling pipe hole, an inlet end of the first normal water supply device is communicated with the water delivery main pipeline, and an outlet end of the first normal water supply device is communicated with the inlet end of the first normal water flow channel, the outlet end of the first normal water flow channel is communicated with the first water reflux station through a reflux pipeline, and the first water reflux station is communicated with the main water reflux pipeline;
wherein, the second intermittent water supply device comprises a second distribution box, a second distribution box and a second spot cooling head, two inlet ends of the second distribution box are respectively communicated with the main water delivery pipeline and the main gas delivery pipeline, an outlet end of the second distribution box is communicated with an inlet end of the second distribution box, an outlet end of the second distribution box is communicated with an inlet end of the second spot cooling head, the other outlet end of the second distribution box is communicated with an inlet end of the second intermittent water flow channel, an outlet end of the second intermittent water flow channel is communicated with the second water return station through a return pipeline, an outlet end of the second spot cooling head is communicated with the second water return station through a return pipeline, the second spot cooling head extends into the second spot cooling pipe hole, an inlet end of the second normal water supply device is communicated with the main water delivery pipeline, and an outlet end of the second normal water supply device is communicated with an inlet end of the second normal water flow channel, the outlet end of the second normal water flow channel is communicated with the second water reflux station through a reflux pipeline, and the second water reflux station is communicated with the water reflux main pipeline.
Preferably, the clamping mechanism includes a telescopic driving member, a plurality of guide rails and a plurality of sliding members, the plurality of guide rails are transversely and uniformly arranged in the frame, the plurality of sliding members are respectively arranged in the plurality of guide rails, the side edge of the movable mold is connected with the plurality of sliding members, the telescopic driving member is arranged in the frame, the telescopic driving member is connected with the movable mold, and the movable mold is driven by the telescopic driving member to slide along the guide rails.
Preferably, the telescopic drive is a telescopic hydraulic cylinder.
Preferably, the number of the guide rails and the number of the sliding parts are four, four rectangular guide rail arrays are transversely arranged on the rack, and the four sliding parts are respectively arranged on the four guide rails in a one-to-one correspondence manner.
Preferably, the first and second normally water-passing devices are both provided with a proportional control valve for controlling the flow rate of water flow, and the first and second distribution tanks are both provided with solenoid valves for controlling the on-off of water flow.
Preferably, the mold is provided with a thermocouple, a first temperature sensor and a second temperature sensor, wherein the thermocouple is used for monitoring the temperature change of the mold, the first temperature sensor is used for monitoring the water inlet temperature of the mold, and the second temperature sensor is used for monitoring the water outlet temperature of the mold.
Preferably, the control device further comprises a liquid adding device, wherein the liquid adding device is arranged above the injection cavity and is used for adding the molten metal into the injection cavity.
Preferably, the liquid adding device comprises a liquid pot, a heating module and a heat insulation layer, the liquid pot is arranged above the injection cavity, the liquid pot is communicated with the injection cavity, the heat insulation layer is uniformly arranged on the outer side of the liquid pot, and the heating module is arranged on the outer side of the liquid pot and is used for heating the metal liquid in the liquid pot.
Preferably, the cross section of the liquid pot is of a V-shaped structure.
In summary, the technical scheme of the temperature acquisition monitoring closed-loop control device of the invention at least has the following beneficial effects: the temperature acquisition monitoring closed-loop control device reduces the temperature inside the die through the circulating cooling device, so as to realize the heat balance effect of the die, for the movable die, the circulating cooling device divides a water source in a water delivery main pipeline into a plurality of branches through a first distribution box and a first branch box of a first intermittent water supply device, one branch water flow carries out point cooling on a first point cooling pipe hole in the movable die through a first point cooling head, the point cooling mode has the advantages of point cooling position concentration, high cooling speed, good effect and the like, the other branch water flow is introduced into a first intermittent water flow channel in the movable die for circulating cooling, the circulating water flow flows out of the first intermittent water flow channel and then flows back to a first water return station through a return pipeline, so as to carry out circulating intermittent water supply cooling on the inside of the movable die, in addition, a part of the water source in the water delivery main pipeline is subjected to circulating cooling through a first normal-flow water flow channel which is continuously introduced into the movable die through the first normal-flow device, the water flow after the temperature is circularly reduced flows back to a first water return station through a return pipeline, and the water source cooled in the first water return station flows into a water storage tank of a workshop through a main water return pipeline again, so that intermittent water supply circulating cooling, continuous water supply circulating cooling and spot cooling of the moving die are completed; the PLC control module receives a mold water inlet temperature signal acquired by a first temperature sensor, a mold water outlet backflow temperature signal acquired by a second temperature sensor and a mold temperature change signal acquired by a thermocouple, processes and outputs a control signal to control the circulating cooling device to cool the mold, controls the water flow time of each branch through a solenoid valve in a first distribution box, controls the water flow of each branch through controlling the opening degree of a proportional control valve of a first normal water flow device, acquires temperature signals detected by each sensor, establishes communication with a die-casting control box in real time, and automatically controls the water flow time and the water flow through operation, so that closed-loop control is formed.
In addition, the injection device drives the cam to rotate through the servo motor, the cam is correspondingly matched with the driven piece to drive the driving block to slide in the injection cavity, and metal liquid is injected into the mold through the liquid injection hole, in the injection process, the driven piece extrudes the elastic piece to slowly and stably inject the metal liquid, after the injection is finished, the driving block is driven to reset by the elastic force of the elastic piece to wait for the next injection working cycle, after a product in the mold is molded, the mold clamping mechanism drives the movable mold to slide leftwards along the guide rail through the telescopic driving piece, so that the fixed mold of the mold is opened, and the molded product can be taken out conveniently.
In order to make the present invention and other objects, advantages, features and functions more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a temperature acquisition monitoring closed-loop control device according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a circulation cooling device according to an embodiment of the present invention;
description of reference numerals: 1. a drive block; 2. a liquid pot; 3. fixing a mold; 301. a second spot cooling tube aperture; 302. a second intermittent water flow channel; 303. a second normal water flow channel; 4. moving the mold; 401. a first spot cooling tube aperture; 402. a first intermittent water flow passage; 403. a first normal water flow passage; 5. a guide rail; 6. a circulating cooling device; 601. a PLC control module; 602. a first water return station; 603. a first distribution box; 604. a first manifold; 605. a first spot-cooled head; 606. a first normal water-passing device; 607. a gas transmission main pipeline; 608. a main water delivery pipeline; 609. water flows back to the main pipeline; 610. a second water reflux station; 611. a second normal water-passing device; 612. a second distribution box; 613. a second distribution box; 614. a second spot cooling head; 615. a thermocouple; 7. a liquid injection hole; 8. a passage; 9. a heat-insulating layer; 10. a heating module; 11. a frame; 12. a slider; 13. a telescopic driving member; 14. a connecting rod; 15. an elastic member; 16. a driven member; 17. an injection cavity; 18. a cam; 19. and a die casting control box.
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.
In the present invention, for a clearer description, the following explanation is made: the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, are defined as orientations or positional relationships relative to one another as shown in the drawings, which are meant only to facilitate the description of the invention and to simplify the description, and are not meant to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the present invention.
It is also noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Furthermore, the terms "first," "second," and the like are used for purposes of clarity and simplicity of description only and are not to be construed as indicating or implying a relative importance or quantity.
Referring to fig. 1 to 2 together, the present embodiment provides a temperature collection monitoring closed-loop control device, the control device includes a frame 11, a mold clamping mechanism, an injection device, and a cooling circulation device 6, wherein the mold includes a fixed mold 3 and a movable mold 4, the fixed mold 3 is disposed in the frame 11, the fixed mold 3 is provided with a first cavity, a liquid injection hole 7 is disposed on the right side of the first cavity, the movable mold 4 is provided with a second cavity, and the second cavity and the first cavity are disposed correspondingly to form a molding cavity of a product; the die clamping mechanism is arranged on the rack 11 and used for driving the movable die 4 to cover or open the fixed die 3; the injection device comprises an injection cavity 17, a driving block 1, a connecting rod 14, an elastic part 15, a driven part 16, a cam 18 and a servo motor, wherein the injection cavity 17 is arranged on the right side of the fixed die 3, the left side of the injection cavity 17 is communicated with the liquid injection hole 7, a through hole is formed in the right side of the injection cavity 17, the driving block 1 is arranged in the injection cavity 17, the connecting rod 14 penetrates through the through hole, one end of the connecting rod 14 is connected with the driving block 1, the other end of the connecting rod is connected with the driven part 16, the elastic part 15 is sleeved on the connecting rod 14, the elastic part 15 is positioned between the driven part 16 and the injection cavity 17, the servo motor is arranged on the rack 11, the cam 18 is arranged on a rotating shaft of the servo motor, and the cam 18 and the driven; the circulating cooling device 6 is connected with the die and used for reducing the temperature of the die, the PLC control module 601 controls the circulating cooling device 6 to cool the die through collecting the detected water source temperature and accurately controlling the program so as to obtain the temperature suitable for cooling the die and improve the heat balance effect of the die, thereby ensuring the quality of die-casting products.
In one embodiment, the control device further comprises a die-casting control box 19, the die-casting control box 19 is arranged on the frame 11, the die-casting control box 19 is used for controlling die-casting molding, the movable mold 4 is provided with a first intermittent water flow channel 402, a first point cooling pipe hole 401 and a first normal water flow channel 403, the fixed mold 3 is provided with a second intermittent water flow channel 302, a second point cooling pipe hole 301 and a second normal water flow channel 303, the circulating cooling device 6 comprises a water delivery main pipeline 608, a gas delivery main pipeline 607, a water return main pipeline 609, a first intermittent water supply device, a first normal water supply device 606, a first water return station 602, a second intermittent water supply device, a second normal water supply device 611, a second water return station 610 and a PLC control module 601, and the PLC control module 601 is used for controlling the circulating cooling device 6 to cool the mold.
Wherein, the first intermittent water supply device comprises a first distribution box 603, a first distribution box 604 and a first spot cooling head 605, two inlet ends of the first distribution box 603 are respectively communicated with a water delivery main pipeline 608 and a gas delivery main pipeline 607, an outlet end of the first distribution box 603 is communicated with an inlet end of the first distribution box 604, an outlet end of the first distribution box 604 is communicated with an inlet end of the first spot cooling head 605, the other outlet end of the first distribution box 604 is communicated with an inlet end of the first intermittent water flow channel 402, an outlet end of the first intermittent water flow channel 402 is communicated with a first water return station 602 through a return pipeline, an outlet end of the first spot cooling head 605 is communicated with the first water return station 602 through a return pipeline, the first spot cooling head 605 extends into the first spot cooling pipe hole 401, an inlet end of the first normal water device 606 is communicated with the water delivery main pipeline 608, an outlet end of the first normal water device 606 is communicated with an inlet end of the first normal water flow channel 403, the outlet end of the first normal water flow channel 403 is communicated with a first water return station 602 through a return pipe, and the first water return station 602 is communicated with a main water return pipeline 609.
For the movable mold 4, the circulating cooling device 6 divides the water source in the main water delivery pipeline 608 into a plurality of branches through the first distribution box 603 and the first branch box 604 of the first intermittent water supply device, wherein one branch water flow performs point cooling on the first point cooling pipe hole 401 in the movable mold 4 through the first point cooling head 605, the point cooling mode has the advantages of concentrated point cooling positions, high cooling speed, good effect and the like, wherein the other branch water flow is introduced into the first intermittent water flow channel 402 in the movable mold 4 for circulating cooling, the circulating water flow flows out from the first intermittent water flow channel 402 and then flows back to the first water return station 602 through the return pipeline, so that the inside of the movable mold 4 is subjected to circulating intermittent water supply cooling, and in addition, a part of the water source in the main water delivery pipeline 608 is continuously introduced into the first normal water flow channel 403 in the movable mold 4 through the first normal water supply device 606 for circulating cooling, the water flow after the temperature is circularly reduced flows back to the first water return station 602 through the return pipeline, and the water source cooled in the first water return station 602 flows into the water storage tank of the workshop through the main water return pipeline 609 again, so that the intermittent water supply circular cooling, the continuous water supply circular cooling and the spot cooling of the movable mold 4 are completed; the PLC control module 601 receives a mold water inlet temperature signal acquired by a first temperature sensor, a mold water outlet backflow temperature signal acquired by a second temperature sensor and a mold temperature change signal acquired by a thermocouple 615, processes and outputs a control signal to control the circulating cooling device 6 to cool the mold, controls the water flow time of each branch by a solenoid valve in the first distribution box 603, controls the water flow of each branch by controlling the opening of a proportional control valve of the first normal water device 606, collects temperature signals detected by each sensor, establishes communication with the die-casting control box 19 in real time, and automatically controls the water flow time and the water flow through operation to form closed-loop control.
Wherein, the second intermittent water supply device comprises a second distribution box 612, a second distribution box 613 and a second spot cooling head 614, two inlet ends of the second distribution box 612 are respectively communicated with the main water conveying pipeline 608 and the main gas conveying pipeline 607, an outlet end of the second distribution box 612 is communicated with an inlet end of the second distribution box 613, an outlet end of the second distribution box 613 is communicated with an inlet end of the second spot cooling head 614, the other outlet end of the second distribution box 613 is communicated with an inlet end of the second intermittent water flow channel 302, an outlet end of the second intermittent water flow channel 302 is communicated with a second water return station 610 through a return pipeline, an outlet end of the second spot cooling head 614 is communicated with a second water return station 610 through a return pipeline, the second spot cooling head 614 extends into the second spot cooling pipe hole 301, an inlet end of the second constant water supply device 611 is communicated with the main water conveying pipeline 608, an outlet end of the second constant water supply device 611 is communicated with an inlet end of the second constant water flow channel 303, the outlet end of the second normal water flow channel 303 is communicated with a second water return station 610 through a return pipeline, and the second water return station 610 is communicated with a main water return pipeline 609.
Specifically, the first normal water passing device 606 and the second normal water passing device 611 are both provided with a proportional control valve, the proportional control valve is used for controlling water flow, the first distribution box 603 and the second distribution box 612 are both provided with electromagnetic valves, and the electromagnetic valves are used for controlling on-off of water flow.
Further, the mold is provided with a thermocouple 615, a first temperature sensor and a second temperature sensor, wherein the thermocouple 615 is used for monitoring the temperature of the mold, the first temperature sensor is used for monitoring the mold water inlet temperature, and the second temperature sensor is used for monitoring the mold water outlet temperature.
For the fixed mold 3, the circulating cooling device 6 divides the water source in the main water delivery pipeline 608 into a plurality of branches through the second distribution box 612 and the second distribution box 613 of the second intermittent water supply device, wherein one branch of the water flow carries out point cooling on the second point cooling pipe hole 301 in the fixed mold 3 through the second point cooling head 614, the point cooling mode has the advantages of point cooling position concentration, high cooling speed, good effect and the like, wherein the other branch of the water flow enters the second intermittent water channel 302 in the movable mold 4 for circulating cooling, the circulating water flow flows out of the second intermittent water channel 302 and then flows back to the second water return station 610 through the return pipeline, so that the circulating intermittent cooling is carried out on the inside of the fixed mold 3, in addition, a part of the water source in the main water delivery pipeline 608 continuously enters the second normal water channel 303 in the fixed mold 3 for circulating cooling through the second normal water passage 611, the water flow after the temperature is circularly reduced flows back to the second water return station 610 through a return pipeline, and the water source cooled in the second water return station 610 flows into the water storage tank of the workshop through the main water return pipeline 609 again, so that the intermittent water supply circular cooling, the continuous water supply circular cooling and the spot cooling of the fixed die 3 are completed; the PLC control module 601 receives a mold water inlet temperature signal detected and collected by a first temperature sensor, a mold water outlet backflow temperature signal detected and collected by a second temperature sensor and a mold temperature change signal collected by a thermocouple 615, processes and outputs a control signal to control the circulating cooling device 6 to cool the mold, controls the water flow time of each branch by an electromagnetic valve in the second distribution box 612, controls the water flow rate of each branch by controlling the opening of a proportional control valve of the second constant water device 611, collects temperature signals detected by the sensors and establishes communication with the die-casting control box 19 in real time, and automatically controls the water flow time and the water flow rate through operation, so that closed-loop control is formed.
In addition, after the control device intermittently feeds water and cools the mold water channel, the air delivery main pipeline 607 respectively feeds compressed air to the 4-touch first intermittent water flow channel 402 and the second intermittent water flow channel 302 of the fixed die 3 to clean water sources, impurities, pollutants and the like retained in the mold water channel; on the other hand, residual water sources in the water channel of the die are cleaned through compressed air, so that the die is prevented from being always in a cooling state due to the residual water sources, and the heat balance effect of the die is prevented from being influenced by the residual water sources.
The second distribution box 612 and the second distribution box 613 divide a water source in the main water delivery pipeline 608 into a plurality of pipelines, so that a plurality of molds can be cooled and used at the same time, a plurality of electromagnetic valves in the second distribution box 612 are used for respectively controlling the on-off state of water or air flowing through a plurality of branches, so as to ensure the orderly heat balance process of the molds, the use is convenient, the cooling efficiency is high, the on-off state of the water and air paths is intelligently and automatically controlled, the automatic control system has a self-diagnosis function, and when abnormality occurs in work, the PLC control module 601 outputs an alarm and displays a fault reason record; and when serious faults occur, the equipment is forcibly stopped. This controlling means can link up the cooperation with the die casting machine, and the work beat of cycle course of work and die casting machine is unanimous, and the die casting machine sends the start instruction, and equipment begins automatic cycle, finishes in die casting machine duty cycle, begins next cycle work along with the die casting machine instruction.
Specifically, the clamping mechanism includes a flexible driving part 13, a plurality of guide rails 5 and a plurality of sliders 12, the plurality of guide rails 5 are transversely and uniformly arranged on the frame 11, the plurality of sliders 12 are respectively arranged on the plurality of guide rails 5, the side edge of the movable mold 4 is connected with the plurality of sliders 12, the flexible driving part 13 is arranged on the frame 11, the flexible driving part 13 is connected with the movable mold 4, and the flexible driving part 13 drives the movable mold 4 to slide along the guide rails 5.
Further, the telescopic driving member 13 is a telescopic hydraulic cylinder.
In one embodiment, the number of the guide rails 5 and the number of the sliding parts 12 are four, four rectangular arrays of the guide rails 5 are transversely arranged on the frame 11, and the four sliding parts 12 are respectively arranged on the four guide rails 5 in a one-to-one correspondence manner.
In one embodiment, the control device further comprises a liquid adding device, which is disposed above the injection cavity 17 and is used for adding molten metal into the injection cavity 17.
Specifically, the liquid adding device comprises a liquid pot 2, a heating module 10 and a heat preservation layer 9, wherein the liquid pot 2 is arranged above the injection cavity 17, the liquid pot 2 is communicated with the injection cavity 17 through a passage 8, the heat preservation layer 9 is uniformly arranged on the outer side of the liquid pot 2, and the heating module 10 is arranged on the outer side of the liquid pot 2 and is used for heating metal liquid in the liquid pot 2.
Further, the cross section of the liquid pot 2 is of a V-shaped structure.
The die casting process of the temperature acquisition monitoring closed-loop control device of the embodiment is as follows: the injection molding is carried out under the control of a die-casting control box 19, wherein an injection device drives a cam 18 to rotate through a servo motor, the cam 18 and a driven part 16 are correspondingly matched to drive a driving block 1 to slide in an injection cavity 17, and metal liquid is injected into a die through a liquid injection hole 7, in the injection process, the driven part 16 extrudes an elastic part 15 to slowly and stably inject the metal liquid, after the injection is finished, the driving block 1 is driven to reset by virtue of the elastic force of the elastic part 15, the next injection working cycle is waited, after a product in the die is molded, a die-clamping mechanism drives a movable die 4 to slide leftwards along a guide rail 5 through a telescopic driving part 13, so that a fixed die 3 of the die is opened, and.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (10)
1. A temperature acquisition monitoring closed-loop control device, the control device comprising:
a frame;
the die comprises a fixed die and a movable die, the fixed die is arranged on the rack and is provided with a first cavity, a liquid injection hole is formed in the right side of the first cavity, the movable die is provided with a second cavity, and the second cavity and the first cavity are correspondingly arranged to form a forming cavity of a product;
the die closing mechanism is arranged on the rack and used for driving the movable die to cover or open the fixed die;
the injection device comprises an injection cavity, a driving block, a connecting rod, an elastic piece, a driven piece, a cam and a servo motor, wherein the injection cavity is arranged on the right side of the fixed die, the left side of the injection cavity is communicated with the liquid injection hole, a through hole is formed in the right side of the injection cavity, the driving block is arranged in the injection cavity, the connecting rod penetrates through the through hole, one end of the connecting rod is connected with the driving block, the other end of the connecting rod is connected with the driven piece, the elastic piece is sleeved on the connecting rod, the elastic piece is located between the driven piece and the injection cavity, the servo motor is arranged on the rack, the cam is arranged on a rotating shaft of the servo motor, and the cam and the driven piece are correspondingly matched to drive the driving block to slide in the injection cavity;
and the circulating cooling device is connected with the mold and is used for reducing the temperature of the mold.
2. The temperature acquisition monitoring closed-loop control device as claimed in claim 1, wherein the control device further comprises a die-casting control box, the die-casting control box is arranged on the frame, the movable mold is provided with a first intermittent water flow passage, a first point cooling pipe hole and a first normal water flow passage, the fixed mold is provided with a second intermittent water flow passage, a second point cooling pipe hole and a second normal water flow passage, the circulating cooling device comprises a water delivery main pipeline, a gas delivery main pipeline, a water return main pipeline, a first intermittent water supply device, a first normal water supply device, a first water return station, a second intermittent water supply device, a second normal water supply device, a second water return station and a PLC control module, and the PLC control module is used for controlling the circulating cooling device to cool the mold;
wherein, the first intermittent water supply device comprises a first distribution box, a first distribution box and a first spot cooling head, two inlet ends of the first distribution box are respectively communicated with the water delivery main pipeline and the gas delivery main pipeline, an outlet end of the first distribution box is communicated with the inlet end of the first distribution box, an outlet end of the first distribution box is communicated with the inlet end of the first spot cooling head, the other outlet end of the first distribution box is communicated with the inlet end of the first intermittent water flow channel, an outlet end of the first intermittent water flow channel is communicated with the first water reflux station through a reflux pipeline, an outlet end of the first spot cooling head is communicated with the first water reflux station through a reflux pipeline, the first spot cooling head extends into the first spot cooling pipe hole, an inlet end of the first normal water supply device is communicated with the water delivery main pipeline, and an outlet end of the first normal water supply device is communicated with the inlet end of the first normal water flow channel, the outlet end of the first normal water flow channel is communicated with the first water reflux station through a reflux pipeline, and the first water reflux station is communicated with the main water reflux pipeline;
wherein, the second intermittent water supply device comprises a second distribution box, a second distribution box and a second spot cooling head, two inlet ends of the second distribution box are respectively communicated with the main water delivery pipeline and the main gas delivery pipeline, an outlet end of the second distribution box is communicated with an inlet end of the second distribution box, an outlet end of the second distribution box is communicated with an inlet end of the second spot cooling head, the other outlet end of the second distribution box is communicated with an inlet end of the second intermittent water flow channel, an outlet end of the second intermittent water flow channel is communicated with the second water return station through a return pipeline, an outlet end of the second spot cooling head is communicated with the second water return station through a return pipeline, the second spot cooling head extends into the second spot cooling pipe hole, an inlet end of the second normal water supply device is communicated with the main water delivery pipeline, and an outlet end of the second normal water supply device is communicated with an inlet end of the second normal water flow channel, the outlet end of the second normal water flow channel is communicated with the second water reflux station through a reflux pipeline, and the second water reflux station is communicated with the water reflux main pipeline.
3. The closed-loop temperature monitoring and controlling device as claimed in claim 2, wherein the mold clamping mechanism comprises a retractable driving member, a plurality of guide rails and a plurality of sliding members, the guide rails are transversely and uniformly arranged on the frame, the sliding members are respectively arranged on the guide rails, the side edge of the movable mold is connected with the sliding members, the retractable driving member is arranged on the frame, the retractable driving member is connected with the movable mold, and the retractable driving member drives the movable mold to slide along the guide rails.
4. The closed-loop temperature monitoring control device as claimed in claim 3, wherein the telescopic driving member is a telescopic hydraulic cylinder.
5. The closed-loop control device for temperature collection and monitoring as recited in claim 4, wherein the number of the plurality of guide rails and the plurality of sliding members is four, and four rectangular arrays of guide rails are transversely arranged on the rack, and four sliding members are respectively disposed on the four guide rails in a one-to-one correspondence.
6. The closed-loop control device for temperature collection and monitoring as claimed in claim 2, wherein the first and second normally-on water devices are each provided with a proportional regulating valve for controlling water flow, and the first and second distribution boxes are each provided with a solenoid valve for controlling water flow.
7. The closed-loop control device for temperature collection and monitoring as claimed in claim 6, wherein the mold is provided with a thermocouple for monitoring temperature change of the mold, a first temperature sensor for monitoring water inlet temperature of the mold, and a second temperature sensor for monitoring water outlet temperature of the mold.
8. The closed-loop temperature monitoring and controlling device as claimed in claim 7, further comprising a liquid adding device disposed above the injection chamber and used for adding molten metal into the injection chamber.
9. The closed-loop temperature monitoring and controlling device as claimed in claim 8, wherein the liquid feeding device comprises a liquid pot, a heating module and a heat insulating layer, the liquid pot is disposed above the injection cavity and is communicated with the injection cavity, the heat insulating layer is uniformly disposed outside the liquid pot, and the heating module is disposed outside the liquid pot and is used for heating the molten metal in the liquid pot.
10. The closed-loop control device for temperature collection and monitoring as claimed in claim 9, wherein the cross section of the liquid pot is a V-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010989866.5A CN112170810A (en) | 2020-09-18 | 2020-09-18 | Temperature acquisition monitoring closed-loop control device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010989866.5A CN112170810A (en) | 2020-09-18 | 2020-09-18 | Temperature acquisition monitoring closed-loop control device |
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| CN112170810A true CN112170810A (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010989866.5A Pending CN112170810A (en) | 2020-09-18 | 2020-09-18 | Temperature acquisition monitoring closed-loop control device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113414373A (en) * | 2021-07-20 | 2021-09-21 | 苏州奥德高端装备股份有限公司 | Be used for cold switched systems of die-casting auto parts high low temperature point |
-
2020
- 2020-09-18 CN CN202010989866.5A patent/CN112170810A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113414373A (en) * | 2021-07-20 | 2021-09-21 | 苏州奥德高端装备股份有限公司 | Be used for cold switched systems of die-casting auto parts high low temperature point |
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