CN219686479U

CN219686479U - Circulating cooling water device of injection molding machine

Info

Publication number: CN219686479U
Application number: CN202320165169.7U
Authority: CN
Inventors: 孙振福; 姜学森; 杨杰
Original assignee: Qingdao Hengli Packing Co ltd
Current assignee: Qingdao Hengli Packing Co ltd
Priority date: 2023-02-09
Filing date: 2023-02-09
Publication date: 2023-09-15
Anticipated expiration: 2033-02-09

Abstract

The utility model discloses a circulating cooling water device of an injection molding machine, which comprises a water tank, a water pump, a water chiller, a first water pipe, a second water pipe and a third water pipe, wherein two vertical partition plates are arranged in the water tank to divide the interior of the water tank into a left cavity, a middle cavity and a right cavity; the first water pipe is communicated with the water discharge end of the water chiller, and the first water pipe is communicated with the two dispersion boxes through the second water pipe and the third water pipe respectively; the water pump pumps the water in the right cavity into the injection molding machine, then the water returns to the left cavity from the injection molding machine, and the water in the left cavity is pumped into the water chiller for cooling and then is conveyed into the dispersing box; according to the utility model, the circulating water is cooled by the water chiller, a cooling tower is not required to be arranged, the ground is not required to be excavated, or a pipeline bracket is not required to be constructed for water pipeline arrangement, the construction cost is low, and the construction period is short.

Description

Circulating cooling water device of injection molding machine

Technical Field

The utility model relates to the technical field of cooling of injection molding machines, in particular to a circulating cooling water device of an injection molding machine.

Background

The injection molding machine can generate a large amount of heat during production, and cooling water is required to be used for radiating the machine barrel and the die. The Chinese patent with the prior application number of CN201720288303.7 proposes a cooling water circulation device of an injection molding machine, which comprises a cooling water pipe for cooling the injection molding machine; the first end of the cooling water pipe is connected with the inlet of the cooling water tower, and the second end of the cooling water pipe is connected with the water tank; the water tank is positioned right below the outlet of the cooling water tower, and a water inlet pipe is further arranged in the water tank and used for supplementing water to the water tank. The cooling water circulation device of the injection molding machine achieves the purposes of automatically supplementing water to cooling water and prolonging cooling time.

The cooling water circulation device of the injection molding machine provided by the patent uses the cooling tower to cool the circulating water, and the cooling tower needs to be elevated when being built, so that the problems of high construction cost and long period exist. When the cooling water circulation device is used, water in the cooling tower enters the water tank, the water in the water tank is conveyed to all injection molding machines through the water pump, and the arrangement of the circulating water pipeline is required according to the layout of all injection molding machines in an injection molding workshop. When the cooling water pipeline is laid, the ground is required to be excavated or a pipeline bracket is required to be built, and the problems of high construction cost and long period exist. And once the cooling tower or a common pipeline shared by a plurality of injection molding machines fails, the plurality of injection molding machines cannot be used normally.

Disclosure of Invention

The utility model aims to provide a circulating cooling water device of an injection molding machine, which aims to solve the problems of high construction cost and long construction period of the cooling water circulating device of the existing injection molding machine.

The utility model is realized in the following way:

the circulating cooling water device of the injection molding machine comprises a water tank, a water pump, a water cooler, a first water pipe, a second water pipe and a third water pipe, wherein two vertical partition plates are arranged in the water tank from left to right, the two vertical partition plates divide the interior of the water tank into a left cavity, a middle cavity and a right cavity, a plurality of water permeable holes are formed in the vertical partition plates, two dispersing boxes are respectively arranged in the left cavity and the middle cavity, and water permeable holes are formed in the bottom walls of the dispersing boxes in a passing way; the first water pipe is communicated with the water discharge end of the water chiller, the first water pipe is horizontally arranged, two ends of the first water pipe are sealed, and the first water pipe is communicated with the two dispersing boxes through the second water pipe and the third water pipe respectively; the water pump pumps the water in the right chamber to the injection molding machine, and then the water returns to the left chamber from the injection molding machine, and the water in the left chamber is pumped to the inside of the water chiller to be cooled and then is conveyed to the dispersing box by the water chiller.

Optionally, a water return port is arranged on the tank wall at the upper end of the left chamber, cooling water entering the injection molding machine returns to the left chamber from the water return port, and the height of the dispersing box in the left chamber is higher than that of the dispersing box in the middle chamber.

Optionally, a temperature sensor for detecting the water temperature in the right chamber is arranged on the water tank, and the temperature sensor is electrically connected with the cold water machine.

Optionally, be provided with the installation tube that metal material made on the box wall of the right cavity of water tank, the inner end of installation tube is located right cavity, the inner end of installation tube seals the setting, temperature sensor installs in the installation tube, temperature sensor's temperature probe and the pipe wall contact that the installation tube is located right cavity.

Optionally, the first water pipe uses square pipe, the first water pipe sets up on the upper end case lid of water tank.

Optionally, a first filter is arranged between the water absorbing end of the water chiller and the left chamber of the water tank, and a manual valve is arranged between the first filter and the left chamber of the water tank; a second filter is arranged between the water suction end of the water pump and the right chamber of the water tank, and a manual valve is also arranged between the second filter and the right chamber of the water tank.

Optionally, the structure of first filter and second filter is the same, including casing and filter unit, the lower extreme both sides of casing are provided with a water inlet and a delivery port respectively, filter unit separates into raw water cavity and water purification chamber with the inside of casing, the raw water cavity of water inlet intercommunication, the water purification chamber of delivery port intercommunication, the water inlet end of cold water machine and water pump is linked together with the water purification chamber of first filter and second filter respectively.

Optionally, the filtering component comprises a plugboard and a filter screen, the plugboard comprises a plugboard part and a mounting plate part, the plugboard part is positioned at the lower end of the mounting plate part, an inserting port is arranged on the upper wall of the shell, the plugboard part of the plugboard is inserted into the shell through the inserting port arranged on the upper wall of the shell, the mounting plate part of the plugboard is mounted on the shell through a bolt, and a sealing ring or a sealing gasket capable of forming a sealing structure through compression deformation is arranged between the mounting plate part and the shell; the plugboard is characterized in that a through hole is formed in the plugboard part of the plugboard, and the filter screen is arranged in the through hole.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the circulating water is cooled by the water chiller, the water pipeline is simple, a cooling tower is not required to be arranged, the ground is not required to be excavated, or a pipeline bracket is not required to be constructed for water pipeline arrangement, the construction cost is low, and the construction period is short.

2. The water chiller is matched with the injection molding machines one by one, so that the problem that a plurality of injection molding machines cannot be used simultaneously is solved.

3. The temperature sensor is electrically connected with the water cooler, the temperature of the circulating water conveyed to the injection molding machine can be measured through the temperature sensor, the measured result is transmitted to the water cooler, and the water cooler automatically adjusts the water outlet temperature or the water outlet flow according to the measured result, so that the temperature of the circulating water conveyed to the injection molding machine can be adjusted.

Drawings

FIG. 1 is a schematic structural view of embodiment 1 of the present utility model;

FIG. 2 is a schematic structural view of embodiment 2 of the present utility model;

FIG. 3 is a schematic view of the structure of the water tank and the inside of the embodiment of the present utility model;

FIG. 4 is a schematic view of the structure of a vertical partition according to an embodiment of the present utility model;

fig. 5 is a schematic view showing the structure of a filter assembly in the filter according to embodiment 2 of the present utility model.

In the figure: 1. a water tank; 2. a water pump; 3. a water chiller; the method comprises the steps of carrying out a first treatment on the surface of the 4. A vertical partition; 401. a water permeable hole; 5. a dispersion box; 6. a first water pipe; 7. a second water pipe; 8. a third water pipe; 9. a temperature sensor; 10. a first filter; 11. a second filter; 12. inserting plate; 13. a filter screen; 14. and (5) installing a pipe.

The specific embodiment is as follows:

in the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The following is further described with reference to the accompanying drawings and specific examples:

example 1

The circulating cooling water device of the injection molding machine comprises a water tank 1, a water pump 2, a water chiller 3, a first water pipe 6, a second water pipe 7 and a third water pipe 8 as shown in fig. 1, 3 and 4. The water tank 1 is made of stainless steel materials, a tank cover is arranged at the upper end of the water tank 1, a first water pipe 6 is horizontally arranged on the tank cover, the first water pipe 6 is a square pipe, two ends of the first water pipe 6 are sealed, and the first water pipe 6 is connected with a water draining end of the water chiller 3 through a water pipeline. Two vertical partition plates 4 are arranged in the water tank 1 from left to right, and the two vertical partition plates 4 divide the interior of the water tank 1 into a left chamber, a middle chamber and a right chamber. A plurality of water permeable holes 401 are formed in the vertical partition plate 4, two dispersing boxes 5 are respectively arranged in the left cavity and the middle cavity, and water permeable holes are formed in the bottom wall of each dispersing box 5. The first water pipe 6 is communicated with the two dispersing boxes through a second water pipe 7 and a third water pipe 8 respectively, and the height of the dispersing box 5 in the left chamber is higher than that of the dispersing box 5 in the middle chamber. The water absorbing end of the water chiller 3 is connected with the lower end of the left chamber through a water pipeline. The water absorbing end of the water pump 2 is connected with the lower end of the right cavity through a water pipeline, the water draining end of the water pump 2 is connected with the injection molding machine through a water pipeline, a water return port is arranged on the wall of the upper end of the left cavity of the water tank 1, and water in the injection molding machine returns to the left cavity through the water return port.

As shown in fig. 1 and 3, a mounting tube 14 made of a metal material is provided on the wall of the right chamber of the water tank 1, the mounting tube 14 may be made of a stainless steel material, the inner end of the mounting tube 14 is located in the right chamber, and the inner end of the mounting tube 14 is sealed. The outer end opening of installation tube 14 sets up, and the outer port department of installation tube 14 is provided with the internal thread structure, installs temperature sensor 9 in this internal thread structure, and temperature sensor 9 can select the pressure spring pair for use, and temperature sensor 9's temperature probe and the pipe wall contact that installation tube 14 is located right cavity, temperature sensor 9 and cold water machine 3 electrical property link to each other. The water temperature in the right cavity of the water tank 1 can be measured through the temperature sensor 9, the measured result is transmitted to the water chiller 3, and the water chiller 3 automatically adjusts the water outlet temperature or the water outlet flow according to the measured result, so that the water temperature in the right cavity of the water tank 1 can be adjusted, namely the temperature of circulating water conveyed into the injection molding machine is adjusted.

Example 2

The circulating cooling water device of the injection molding machine comprises a water tank 1, a water pump 2, a water chiller 3, a first water pipe 6, a second water pipe 7, a third water pipe 8, a first filter 10 and a second filter 11 as shown in fig. 2, 3 and 4. The water tank 1 is made of stainless steel materials, a tank cover is arranged at the upper end of the water tank 1, a first water pipe 6 is horizontally arranged on the tank cover, the first water pipe 6 is a square pipe, two ends of the first water pipe 6 are sealed, and the first water pipe 6 is connected with a water draining end of the water chiller 3 through a water pipeline. Two vertical partition plates 4 are arranged in the water tank 1 from left to right, and the two vertical partition plates 4 divide the interior of the water tank 1 into a left chamber, a middle chamber and a right chamber. A plurality of water permeable holes 401 are formed in the vertical partition plate 4, two dispersing boxes 5 are respectively arranged in the left cavity and the middle cavity, and water permeable holes are formed in the bottom wall of each dispersing box 5. The first water pipe 6 is communicated with the two dispersing boxes through a second water pipe 7 and a third water pipe 8 respectively, and the height of the dispersing box 5 in the left chamber is higher than that of the dispersing box 5 in the middle chamber. The water absorbing end of the water chiller 3 is connected with the lower end of the left chamber through a water pipeline, a first filter 10 is arranged on the water pipeline, and a manual valve is arranged between the first filter 10 and the left chamber of the water tank 1. The water absorbing end of the water pump 2 is connected with the lower end of the right chamber through a water pipeline, a second filter 11 is arranged on the water pipeline, and a manual valve is also arranged between the second filter 11 and the right chamber of the water tank 1. The water draining end of the water pump 2 is connected with the injection molding machine through a water pipeline, a water return port is arranged on the tank wall at the upper end of the left cavity of the water tank 1, and water in the injection molding machine returns to the left cavity through the water return port.

As shown in fig. 2 and 5, the first filter 10 and the second filter 11 are identical in structure, and each includes a housing and a filter assembly. The lower extreme both sides of casing are provided with a water inlet and a delivery port respectively, and filter assembly divides into former water cavity and water purification chamber with the inside of casing, and the former water cavity of water inlet intercommunication, delivery port intercommunication water purification chamber, the water inlet of cold water machine 3 and water pump 2 is linked together with the water purification chamber of first filter 10 and second filter 11 respectively. The filter assembly comprises a plugboard 12 and a filter screen 13, wherein the plugboard 12 comprises a plugboard part and a mounting plate part, the plugboard part is positioned at the lower end of the mounting plate part, an inserting port is formed in the upper wall of the shell, the plugboard part of the plugboard 12 is inserted into the shell through the inserting port formed in the upper wall of the shell, the mounting plate part of the plugboard 12 is mounted on the shell through bolts, and a sealing ring or a sealing gasket capable of forming a sealing structure through compression deformation is arranged between the mounting plate part and the shell. The plugboard 12 has a through-hole provided in a plugboard portion, and the filter screen 13 is provided in the through-hole. The circulating water enters the cold water machine 3 and the injection molding machine after being filtered by the first filter 10 and the second filter 11, so that impurities can be effectively prevented from blocking a cooling copper pipe inside the cold water machine 3 and a machine barrel water channel and a mold water channel of the injection molding machine. And the filter assemblies of the first filter 10 and the second filter 11 are conveniently taken out for cleaning the filter screen 13.

As shown in fig. 2 and 3, the wall of the right chamber of the water tank 1 is provided with a mounting tube 14 made of metal material, the mounting tube 14 can be made of stainless steel material, the inner end of the mounting tube 14 is positioned in the right chamber, and the inner end of the mounting tube 14 is sealed. The outer end opening of installation tube 14 sets up, and the outer port department of installation tube 14 is provided with the internal thread structure, installs temperature sensor 9 in this internal thread structure, and temperature sensor 9 can select the pressure spring pair for use, and temperature sensor 9's temperature probe and the pipe wall contact that installation tube 14 is located right cavity, temperature sensor 9 and cold water machine 3 electrical property link to each other. The water temperature in the right cavity of the water tank 1 can be measured through the temperature sensor 9, the measured result is transmitted to the water chiller 3, and the water chiller 3 automatically adjusts the water outlet temperature or the water outlet flow according to the measured result, so that the water temperature in the right cavity of the water tank 1 can be adjusted, namely the temperature of circulating water conveyed into the injection molding machine is adjusted.

The working principle of the utility model is as follows: the water pump 2 pumps the water in the right chamber into the injection molding machine and back into the left chamber. The water in the left cavity is pumped to the water chiller 3 by the water chiller 3 and then is conveyed to the two dispersing boxes 5 after being cooled, and then the water enters the left cavity and the middle cavity of the water tank 1 through water holes on the bottom walls of the two dispersing boxes 5. Thus, the cold water provided by the cold water machine 3 and the hot water heated by the injection molding machine can be mixed, and the temperature of the circulating water is reduced. Due to the blocking and buffering effect of the vertical partition plate 4, hot water returned to the left chamber of the water tank 1 by the injection molding machine can enter the right chamber only through the middle chamber, and the mixing effect of cold water and hot water is improved. In addition, the height of the dispersing boxes 5 in the left cavity is higher than that of the dispersing boxes 5 in the middle cavity, so that cold water provided by the water chiller 3 can be mixed with circulating water at different height positions, and the mixing effect of the cold water and the hot water is further improved.

According to the utility model, the circulating water is cooled by the water chiller 3, the water pipeline is simple, a cooling tower is not required to be arranged, the ground is not required to be excavated, or a pipeline bracket is not required to be constructed for water pipeline arrangement, the construction cost is low, and the construction period is short. And the water chiller 3 is matched with the injection molding machines one by one, so that the problem that a plurality of injection molding machines cannot be used simultaneously is not easy to occur.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides an injection molding machine circulation cooling water device, includes water tank (1) and water pump (2), its characterized in that still includes chiller (3), first water pipe (6), second water pipe (7) and third water pipe (8), be provided with two vertical baffle (4) from left to right in water tank (1), these two vertical baffle (4) divide into left cavity, well cavity and right cavity with water tank (1) inside, be provided with a plurality of holes (401) that permeate water on vertical baffle (4), be provided with two dispersion boxes (5) in left cavity and the well cavity respectively, be equipped with the through-hole on the diapire of dispersion box (5); the first water pipe (6) is communicated with the water discharge end of the water chiller (3), the first water pipe (6) is horizontally arranged, two ends of the first water pipe are sealed, and the first water pipe (6) is communicated with two dispersion boxes through a second water pipe (7) and a third water pipe (8) respectively; the water pump (2) pumps the water in the right chamber into the injection molding machine, and then the water returns to the left chamber from the injection molding machine, and the water cooler (3) pumps the water in the left chamber into the water cooler (3) for cooling and then is conveyed into the dispersing box (5).

2. The circulating cooling water device of the injection molding machine according to claim 1, wherein a water return port is arranged on a tank wall at the upper end of the left chamber, cooling water entering the injection molding machine is returned to the left chamber through the water return port, and the height of the dispersing box (5) in the left chamber is higher than that of the dispersing box (5) in the middle chamber.

3. The circulating cooling water device of the injection molding machine according to claim 2, wherein a temperature sensor (9) for detecting the water temperature in the right chamber is arranged on the water tank (1), and the temperature sensor (9) is electrically connected with the water chiller (3).

4. The circulating cooling water device of the injection molding machine according to claim 3, wherein a mounting pipe (14) made of metal materials is arranged on the wall of the right chamber of the water tank (1), the inner end of the mounting pipe (14) is positioned in the right chamber, the inner end of the mounting pipe (14) is sealed, the temperature sensor (9) is arranged in the mounting pipe (14), and a temperature measuring probe of the temperature sensor (9) is in contact with the pipe wall of the mounting pipe (14) positioned in the right chamber.

5. The circulating cooling water device of the injection molding machine according to claim 1, wherein the first water pipe (6) is a square pipe, and the first water pipe (6) is arranged on an upper end tank cover of the water tank (1).

6. The circulating cooling water device of an injection molding machine according to any one of claims 1-5, characterized in that a first filter (10) is arranged between the water absorbing end of the water chiller (3) and the left chamber of the water tank (1), and a manual valve is arranged between the first filter (10) and the left chamber of the water tank (1); a second filter (11) is arranged between the water absorbing end of the water pump (2) and the right chamber of the water tank (1), and a manual valve is also arranged between the second filter (11) and the right chamber of the water tank (1).

7. The circulating cooling water device of an injection molding machine according to claim 6, wherein the first filter (10) and the second filter (11) have the same structure, and comprise a shell and a filter assembly, wherein two sides of the lower end of the shell are respectively provided with a water inlet and a water outlet, the filter assembly divides the interior of the shell into a raw water cavity and a purified water cavity, the water inlet is communicated with the raw water cavity, the water outlet is communicated with the purified water cavity, and the water inlet ends of the water chiller (3) and the water pump (2) are respectively communicated with the purified water cavities of the first filter (10) and the second filter (11).

8. The circulating cooling water device of an injection molding machine according to claim 7, wherein the filtering assembly comprises an inserting plate (12) and a filter screen (13), the inserting plate (12) comprises an inserting plate part and a mounting plate part, the inserting plate part is positioned at the lower end of the mounting plate part, an inserting port is arranged on the upper wall of the shell, the inserting plate part of the inserting plate (12) is inserted into the shell through the inserting port arranged on the upper wall of the shell, the mounting plate part of the inserting plate (12) is mounted on the shell through a bolt, and a sealing ring or a sealing gasket which can be compressively deformed to form a sealing structure is arranged between the mounting plate part and the shell; the plugboard (12) is provided with a through hole on the plugboard part, and the filter screen (13) is arranged in the through hole.