CN217044588U

CN217044588U - Compound machine

Info

Publication number: CN217044588U
Application number: CN202122853634.XU
Authority: CN
Inventors: 黄振中
Original assignee: Foshan Han And German Automation Ltd By Share Ltd; Guangdong Yingwei Fluid Control Technology Co ltd
Current assignee: Foshan Han And German Automation Ltd By Share Ltd; Guangdong Yingwei Fluid Control Technology Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-07-26
Anticipated expiration: 2031-11-19

Abstract

The utility model discloses a compound machine, which comprises a water chilling unit and a mould temperature unit; the water chilling unit comprises an evaporator; the mold temperature unit comprises a heater, a water inlet waterway, a water return waterway and a water outlet waterway are arranged on the heater, the water return waterway is connected with a water outlet of the mold, the water outlet waterway is connected with a water inlet of the mold, the water inlet waterway is connected with the evaporator, a return waterway branches from the water inlet waterway, and a cooling waterway branches from the water return waterway; the method comprises the following steps that (1) return water in a mold enters a heater through a return water channel, and when the temperature of the return water is lower than a preset value, the heater heats the return water to enable the temperature of the return water to reach the preset value; when the temperature of the backwater is higher than a preset value, the cooling water path is opened, the backwater part in the mold is discharged through the cooling water path, the cooling water provided by the evaporator enters the heater to cool the backwater, so that the synchronization of temperature detection and adjustment is realized, and the temperature can be timely lowered or raised.

Description

Compound machine

Technical Field

The utility model relates to a mould temperature machine technical field, in particular to compounding machine.

Background

The mold temperature controller is mainly used for controlling the temperature of a common mold and a common machine, and the product is kept in an optimal state during molding within a certain temperature so as to ensure the quality of a finished product. The improper mould temperature can cause the size of the casting to be unstable, and the casting is ejected out to deform in the production process, so that the defects of hot pressure, sticking, surface depression, inner shrinkage cavity, hot bubble and the like are generated; the existing mold temperature machine is usually fast in temperature rise reaction, but relatively slow in temperature reduction reaction, and the reason for this is that the temperature can not be timely reduced or increased due to the fact that the water temperature and the water amount of external cooling water are not matched.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the embodiment of the first aspect of the present invention provides a compound machine, which comprises a water chilling unit and a mold temperature unit; the water chilling unit comprises an evaporator; the mold temperature control unit comprises a heater, a water inlet waterway, a water return waterway and a water outlet waterway are arranged on the heater, the water inlet waterway is connected with the evaporator, a return waterway branches from the water inlet waterway, the return waterway is communicated with the evaporator, a cooling waterway branches from the water return waterway, and a cooling valve is arranged on the cooling waterway.

According to some embodiments of the utility model, be provided with cold water pump, check valve, strainer valve on the intake water route.

According to some embodiments of the utility model, the branch has the mould cleaning pipeline on the play water route, be equipped with mould cleaning valve, mould cleaning check valve on the mould cleaning pipeline.

According to some embodiments of the present invention, the pressure regulating valve is installed on the return water path.

According to some embodiments of the utility model, the cooling water set still includes compressor, condenser, the compressor the condenser the evaporimeter constitutes closed-loop refrigerant return circuit, the condenser adopts the microchannel condenser.

According to some embodiments of the present invention, the outlet water path is provided with a media pump and an outlet check valve.

According to the utility model discloses a some embodiments, be equipped with first thermocouple on the play water route, be equipped with the second thermocouple on the return water route, be equipped with the third thermocouple on the evaporimeter.

According to some embodiments of the utility model, the return water route with it has the circulation pipeline to go out intercommunication between the water route, be equipped with the choke valve on the circulation pipeline.

According to some embodiments of the utility model, be equipped with the moisturizing pipeline on the evaporimeter, the moisturizing pipeline is used for being connected with external cold water source.

According to a second aspect of the utility model embodiment a control method of compounding machine, include

a. Respectively detecting the temperature of inlet water entering the heater through the water return waterway and the temperature of outlet water discharged from the heater through the water outlet waterway;

b. when the temperature of the inlet water is lower than a preset value, the heater operates to heat, and when the temperature of the inlet water is heated to the preset value, the heater stops heating;

c. when the water inlet temperature is higher than a preset value, the cooling valve is opened, the cooling water path starts to drain water, and low-temperature water in the evaporator enters the heater through the water inlet water path to be cooled.

According to the utility model discloses, following beneficial effect has at least:

the method comprises the following steps that (1) return water in a mold enters a heater through a return water channel, and when the temperature of the return water is lower than a preset value, the heater heats the return water to enable the temperature of the return water to reach the preset value; when the temperature of the backwater is higher than the preset value, the cooling water path is opened, the backwater part in the mold is discharged through the cooling water path, and the cooling water provided by the evaporator enters the heater to cool the backwater, so that the synchronization of temperature detection and adjustment is realized, and the temperature can be timely lowered or raised.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic view of a pipeline connection according to an embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

The application of mould temperature machine needs external cooling water as its prerequisite that realizes the cooling function, and the water source of this external cooling water either comes from cooling tower, or outside cooling water set, but no matter from which kind of water source, to specific single mould temperature machine, all be difficult to guarantee the cooling water supply of the definite temperature of sufficient, especially cooling water source is from central water supply system, just is difficult to guarantee stable microthermal cooling water more.

Referring to fig. 1, a compound machine includes a water chilling unit and a mold temperature unit; the water chilling unit includes an evaporator 100; the mold temperature unit comprises a heater 200, a water inlet path 210, a water return path 220 and a water outlet path 230 are arranged on the heater 200, the water return path 220 is connected with a water outlet of a mold, the water outlet path 230 is connected with a water inlet of the mold, the water inlet path 210 is connected with an evaporator 100, cold water generated by the evaporator 100 enters the heater 200 through the water inlet path 210, a return path 211 is branched from the water inlet path 210, the return path 211 is communicated with the evaporator 100 to enable the cold water to form a return path, a cooling path 221 is branched from the water return path 220, a cooling valve 222 is arranged on the cooling path 221, and partial water flowing out of the mold is discharged by controlling the cooling valve 222 to achieve rapid cooling, so that a cold water supply system integrated in the composite machine is constantly and efficiently meets the cooling requirement of the composite machine, cooling water is rapidly, sufficiently and cooled, and the temperature accuracy can be further ensured, the method has very high process requirements on the temperature in precision casting, precision injection molding and the like, and particularly shows excellent performances of quick reaction and precision temperature control.

Meanwhile, all pipelines and equipment which need to be externally connected with a cooling water source and are related to the cooling water source are omitted in the installation and the use of the mold temperature controller, and the plug and play flexible arrangement of the compound machine is really realized.

A cold water pump 212, a check valve 213 and a filter valve 214 are arranged on the water inlet waterway 210, and cold water in the evaporator 100 is quickly pumped into the heater 200 through the cold water pump 212; the check valve 213 serves to prevent water in the heater 200 from flowing back into the evaporator 100, and the filter valve 214 filters cold water in the evaporator 100.

A mold cleaning pipeline 231 is branched from the water outlet pipeline 230, a mold cleaning valve 232 and a mold cleaning check valve 233 are arranged on the mold cleaning pipeline 231, and when the molding or the mold replacement is finished, the cooling valve 222 is opened; the mold cleaning pipeline 231 is connected with high-pressure air, so that the high-pressure air sequentially enters the mold through the mold cleaning pipeline 231 and the water outlet waterway 230, water in the waterway of the mold is sequentially discharged through the water return waterway 220 and the cooling waterway 221 under the pushing of the high-pressure air, and the emptying of the waterway of the mold is realized.

A pressure regulating valve 215 is installed on the return water path 211, and the pressure of the cold water is controlled by the pressure regulating valve 215, so that a water pressure difference is formed between the cold water path and the water path of the heater 200; after the cooling water path 221 is drained, the water in the cold water path can be quickly charged into the heater 200, and the temperature of the water in the heater 200 is quickly lowered.

The water chilling unit further comprises a compressor 300 and a condenser 400, the compressor 300, the condenser 400 and the evaporator 100 form a closed-loop refrigerant return circuit, the condenser 400 adopts a micro-channel condenser 400 to obtain outstanding heat exchange performance, and the internally integrated cold water supply system adopts an efficient parallel flow condenser, so that the refrigeration efficiency is higher, and the cold water supply is more sufficient.

The water outlet channel 230 is provided with a medium pump 234 and a water outlet check valve 235, water is pumped into the mold channel by the medium pump 234, and the water outlet check valve 235 prevents the water in the mold channel from flowing back.

A first thermocouple 101 is installed on the water outlet water path 230, a second thermocouple 102 is installed on the water return water path 220, a third thermocouple 103 is installed on the evaporator 100, and the first thermocouple 101, the second thermocouple 102 and the third thermocouple 103 are used for temperature detection.

A circulation pipeline 240 is communicated between the return water pipeline 220 and the outlet water pipeline 230, and a throttle valve 241 is arranged on the circulation pipeline 240 to control the water flow.

The evaporator 100 is provided with a water supply pipe 130, and the water supply pipe 130 is used for connecting with an external cold water source for convenience.

a. Respectively detecting the temperature of the inlet water into the heater 200 through the water return path 220 and the temperature of the outlet water discharged from the heater 200 through the water outlet path 230;

b. when the temperature of the inlet water is lower than a preset value, the heater 200 operates to heat, and when the temperature of the inlet water is heated to the preset value, the heater 200 stops heating;

c. when the temperature of the inlet water is higher than the preset value, the cooling valve 222 is opened, the cooling water path 221 starts to discharge water, and the low-temperature water in the evaporator 100 enters the heater 200 through the inlet water path 210 to be cooled.

The temperature detection and adjustment are synchronized, so that the temperature can be timely reduced or increased.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A composite machine, comprising:

a water chiller including an evaporator (100);

the mold temperature unit comprises a heater (200), a water inlet water path (210), a water return water path (220) and a water outlet water path (230) are arranged on the heater (200), the water inlet water path (210) is connected with the evaporator (100), a return water path (211) branches from the water inlet water path (210), the return water path (211) is communicated with the evaporator (100), a cooling water path (221) branches from the water return water path (220), and a cooling valve (222) is arranged on the cooling water path (221).

2. The compound machine according to claim 1, wherein the water inlet channel (210) is provided with a cold water pump (212), a check valve (213) and a filter valve (214).

3. The compound machine according to claim 1, wherein a mold cleaning pipeline (231) branches from the water outlet pipeline (230), and a mold cleaning valve (232) and a mold cleaning check valve (233) are mounted on the mold cleaning pipeline (231).

4. The compound machine as claimed in claim 1, wherein the return water path (211) is provided with a pressure regulating valve (215).

5. The compound machine according to claim 1, wherein the water chilling unit further comprises a compressor (300) and a condenser (400), the compressor (300), the condenser (400) and the evaporator (100) form a closed-loop refrigerant return circuit, and the condenser (400) is a microchannel condenser (400).

6. The combination machine as claimed in claim 1, wherein the outlet water path (230) is provided with a media pump (234) and an outlet check valve (235).

7. The compound machine according to claim 1, wherein a first thermocouple (101) is installed on the water outlet waterway (230), a second thermocouple (102) is installed on the water return waterway (220), and a third thermocouple (103) is installed on the evaporator (100).

8. The compound machine according to claim 1, wherein a circulation pipeline (240) is communicated between the water return pipeline (220) and the water outlet pipeline (230), and a throttle valve (241) is mounted on the circulation pipeline (240).

9. The compound machine as claimed in claim 1, wherein the evaporator (100) is provided with a water replenishing pipeline (130), and the water replenishing pipeline (130) is used for connecting with an external cold water source.