CN217258163U

CN217258163U - Injection mold convenient for cooling and demolding

Info

Publication number: CN217258163U
Application number: CN202123364004.2U
Authority: CN
Inventors: 李岩; 邵斌倩; 王溪
Original assignee: Suzhou Longhui Steel Mould Technology Co ltd
Current assignee: Suzhou Longhui Steel Mould Technology Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-08-23
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses an injection mold which is convenient for cooling and demoulding, and relates to the technical field of injection molding. The utility model comprises an upper mold, a lower mold arranged directly below the upper mold, and a processing box connected with the lower mold through a cooling mechanism , The interior of the treatment box is fixedly connected with a partition, which divides the inside of the treatment box into an upper chamber and a lower chamber; the cooling mechanism includes a cooling pipe embedded in the lower mold, a water outlet connected to the water outlet of the circulating water pump, The water inlet pipe communicated with the water inlet of the circulating water pump, the cooling device fixedly connected to the inner side wall of the upper chamber, the first drain pipe communicated with one end of the cooling pipe, and the temperature sensor embedded in the inner side wall of the first drain pipe. The utility model is an injection mold which is convenient for cooling and demoulding. A temperature sensor is provided to detect the temperature of the heat-conducting oil, and based on this, it is controlled whether the heat-conducting oil is sent to a cooling device for cooling, thereby improving the utilization of the heat-conducting oil. Rate.

Description

Injection mold convenient for cooling and demolding

Technical Field

The utility model relates to a technical field that moulds plastics, in particular to mould plastics with convenient to cooling drawing of patterns.

Background

Injection molding, also known as injection molding, is a method of molding by injection and molding. The injection molding method has the advantages of high production speed, high efficiency, automation in operation, multiple designs and varieties, simple and complex shapes, small and precise product size, easy replacement of products, capability of forming workpieces with complex shapes, and suitability for the fields of mass production, products with complex shapes and the like.

When an injection mold in the market cools the injection mold at present, heat conduction oil is generally adopted to be conveyed into a cooling pipe in the mold, and then the heat conduction oil after absorbing heat is conveyed into a cooling device to be cooled and circulated. In the process, when the heat conduction oil cools the die for the first time, the temperature of the heat conduction oil is not obviously increased, the part is directly cooled, the heat conduction oil is wasted, more heat conduction oil is needed in the whole cooling process, and resource saving is not facilitated.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a mould for injection moulding convenient to cooling drawing of patterns, can effectively solve among the background art conduction oil utilization ratio lower, be unfavorable for resources are saved's problem.

In order to achieve the above purpose, the utility model adopts the technical proposal that: a mold for injection molding convenient for cooling and demolding comprises an upper mold, a lower mold arranged right below the upper mold, and a treatment box connected with the lower mold through a cooling mechanism, wherein a partition plate is fixedly connected inside the treatment box, and divides the inside of the treatment box into an upper cavity and a lower cavity;

the cooling body is including inlaying in the inside cooling tube of bed die, fixed connection is at the circulating water pump who handles the case cavity bottom plate down, the outlet pipe that is linked together with the circulating water pump outlet port, the inlet tube that is linked together with the circulating water pump water inlet, fixed mounting is at the first automatically controlled valve and the conveyer pipe of inlet tube surface, fixed connection is at the cooling device of the indoor lateral wall of epicoele, the first drain pipe that is linked together with cooling tube one end, inlay in the temperature sensor of first drain pipe inside wall, fixed mounting is at the third automatically controlled valve and the second drain pipe of first drain pipe lateral wall, and fixed mounting is at the fourth automatically controlled valve of second drain pipe lateral wall.

Preferably, the cooling pipe is a disc-shaped pipe, heat-conducting blocks are filled between pipeline gaps of the cooling pipe, and the top of each heat-conducting block is attached to the inner wall of the lower mold.

Preferably, the other end of the water outlet pipe penetrates and extends to the outer surface of the treatment box and is communicated with the other end of the cooling pipe.

Preferably, conveyer pipe one end is located circulating water pump's water inlet and between the first electric control valve, the other end of conveyer pipe runs through and extends to in the last cavity of handling the case, for the intercommunication setting between conveyer pipe and the inlet tube, the lateral wall fixed mounting of conveyer pipe has the second electric control valve.

Preferably, the other end of the first drain pipe extends through into the lower chamber of the treatment tank.

Preferably, the temperature sensor is used to control the first, second, third and fourth electrically controlled valves.

Preferably, the second drain pipe is located between the cooling pipe and the third electrically controlled valve, and the other end of the second drain pipe extends through into the upper chamber of the treatment tank.

Compared with the prior art, the utility model discloses following beneficial effect has:

in the utility model, the heat conducting oil in the lower cavity of the treatment box is conveyed to the cooling pipe of the lower die through the circulating water pump, so as to cool the die, then the heat conducting oil absorbing certain heat returns to the lower cavity of the treatment box through the first water discharge pipe, and the heat of the heat conducting oil is detected through the temperature sensor in the process, when the heat of the heat conducting oil reaches a set value, the third electric control valve is closed, the fourth electric control valve is opened, so that the heat conducting oil enters the upper cavity of the treatment box, so that the cooling device in the upper cavity cools the heat conducting oil, meanwhile, the first electric control valve is closed, the second electric control valve is opened, so that the cooled heat conducting oil enters the die again through the water inlet pipe, the circulating water pump and the water discharge pipe, so as to cool the die, through the operation, the die can be cooled, the demoulding of the heat conducting oil is convenient, and the utilization rate of the heat conducting oil can be improved.

Drawings

FIG. 1 is a schematic view of the overall structure of an injection mold convenient for cooling and demolding;

FIG. 2 is a schematic view of the internal structure of the lower mold of the injection mold convenient for cooling and demolding;

FIG. 3 is a schematic view of the interior of a lower mold of the injection mold for facilitating cooling and demolding;

FIG. 4 is a schematic structural view of a treatment tank of an injection mold with a longitudinal section of a water outlet pipe, which is convenient for cooling and demolding according to the present invention;

fig. 5 is the utility model relates to a processing case of mould for injection moulding convenient to cooling drawing of patterns uses first drain pipe as the schematic structure view of longitudinal section.

In the figure: 1. an upper die; 2. a lower die; 3. a treatment tank; 4. a cooling tube; 5. a heat conducting block; 6. a water circulating pump; 7. a water outlet pipe; 8. a water inlet pipe; 9. a first electrically controlled valve; 10. a delivery pipe; 11. a second electrically controlled valve; 12. a cooling device; 13. a first drain pipe; 14. a temperature sensor; 15. a third electrically controlled valve; 16. a second drain pipe; 17. a fourth electrically controlled valve.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention relates to an injection mold convenient for cooling and demolding, which comprises an upper mold 1, a lower mold 2 disposed right below the upper mold 1, and a processing box 3 connected to the lower mold 2 via a cooling mechanism, wherein a partition board is fixedly connected to the inside of the processing box 3, and divides the inside of the processing box 3 into an upper chamber and a lower chamber;

cooling body is including inlaying in 2 inside cooling tube 4 of bed die, fixed connection is at the circulating water pump 6 of 3 lower cavity bottom plates of treatment box, the outlet pipe 7 that is linked together with circulating water pump 6 delivery port, the inlet tube 8 that is linked together with 6 water inlets of circulating water pump, fixed mounting is at first automatically controlled valve 9 and conveyer pipe 10 of 8 surfaces of inlet tube, fixed connection is at the cooling device 12 of the indoor lateral wall of upper chamber, the first drain pipe 13 that is linked together with cooling tube 4 one end, inlay in the temperature sensor 14 of first drain pipe 13 inside wall, fixed mounting is at the third automatically controlled valve 15 and the second drain pipe 16 of first drain pipe 13 lateral wall, and fixed mounting is at the fourth automatically controlled valve 17 of the second drain pipe 16 lateral wall.

Cooling tube 4 is the coil pipe, and it has heat conduction piece 5 to fill between the pipeline gap of cooling tube 4, and the top of heat conduction piece 5 is laminated mutually with the inner wall of bed die 2, improves the area of contact of cooling tube 4 and mould to the improvement is to the cooling effect of mould.

The other end of the water outlet pipe 7 penetrates through and extends to the outer surface of the treatment box 3 and is communicated with the other end of the cooling pipe 4, and the circulating water pump 6 conveys heat conduction oil in a lower cavity of the treatment box 3 to the cooling pipe 4 through the water outlet pipe 7, so that the heat conduction oil absorbs heat generated by the mold.

Conveyer pipe 10 one end is located between circulating water pump 6's water inlet and the first automatically controlled valve 9, the other end of conveyer pipe 10 runs through and extends to the last cavity of handling case 3, set up for the intercommunication between conveyer pipe 10 and the inlet tube 8, the lateral wall fixed mounting of conveyer pipe 10 has second automatically controlled valve 11, when guaranteeing to close first automatically controlled valve 9 and second automatically controlled valve 11 is opened, can only let the conduction oil of handling 3 cavity cooling back of case carry the inlet tube 8 in, and the conduction oil that prevents to handle case 3 lower cavity enters into the inlet tube 8.

The other end of the first drain pipe 13 penetrates and extends into the lower cavity of the treatment box 3, so that the heat conduction oil absorbing heat can return to the treatment box 3 again.

The temperature sensor 14 is used to control the first electrically controlled valve 9, the second electrically controlled valve 11, the third electrically controlled valve 15 and the fourth electrically controlled valve 17.

The second drain pipe 16 is located between the cooling pipe 4 and the third electric control valve 15, the other end of the second drain pipe 16 extends into the upper chamber of the processing box 3, when the third electric control valve 15 is closed, the heat conducting oil located inside the first drain pipe 13 at this time enters the upper chamber of the processing box 3 through the second drain pipe 16, so that the cooling device 12 in the upper chamber cools the heat conducting oil.

The utility model discloses a theory of operation does: the heat conducting oil in the lower cavity of the treatment box 3 is conveyed to the cooling pipe 4 of the lower mold 2 through the circulating water pump 6 so as to cool the mold, then the heat conducting oil absorbing certain heat returns to the lower cavity of the treatment box 3 through the first drain pipe 13, the heat of the heat conducting oil is detected through the temperature sensor 14 in the process, when the heat of the heat conducting oil reaches a set value, the third electric control valve 15 is closed, the fourth electric control valve 17 is opened, so that the heat conducting oil enters the upper cavity of the treatment box 3, the cooling device 12 in the upper cavity cools the heat conducting oil, meanwhile, the first electric control valve 9 is closed, the second electric control valve 11 is opened, so that the cooled heat conducting oil enters the mold again through the water inlet pipe 8, the circulating water pump 6 and the water outlet pipe 7, so as to cool the mold, and through the above operations, not only can cool the die and facilitate the demoulding, but also can improve the utilization rate of the heat-conducting oil.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a mould for injection moulding convenient to cooling drawing of patterns which characterized in that: the device comprises an upper die (1), a lower die (2) arranged under the upper die (1) and a treatment box (3) connected with the lower die (2) through a cooling mechanism, wherein a partition plate is fixedly connected inside the treatment box (3) and divides the inside of the treatment box (3) into an upper cavity and a lower cavity;

the cooling mechanism comprises a cooling pipe (4) embedded in the lower die (2), a circulating water pump (6) fixedly connected with a bottom plate of a lower cavity of the treatment box (3), a water outlet pipe (7) communicated with a water outlet of the circulating water pump (6), a water inlet pipe (8) communicated with a water inlet of the circulating water pump (6), a first electric control valve (9) and a conveying pipe (10) fixedly arranged on the outer surface of the water inlet pipe (8), the cooling device (12) fixedly connected to the inner side wall of the upper chamber, the first drain pipe (13) communicated with one end of the cooling pipe (4), the temperature sensor (14) embedded in the inner side wall of the first drain pipe (13), the third electric control valve (15) and the second drain pipe (16) fixedly installed on the outer side wall of the first drain pipe (13), and the fourth electric control valve (17) fixedly installed on the outer side wall of the second drain pipe (16).

2. A mold for injection molding facilitating cooling demolding as claimed in claim 1, wherein: the cooling pipe (4) is a disc-shaped pipe, heat-conducting blocks (5) are filled in gaps among pipelines of the cooling pipe (4), and the top of each heat-conducting block (5) is attached to the inner wall of the lower die (2).

3. A mold for injection molding facilitating cooling demolding as claimed in claim 2, wherein: the other end of the water outlet pipe (7) penetrates through the outer surface of the treatment box (3) and is communicated with the other end of the cooling pipe (4).

4. A mold for injection molding facilitating cooling demolding as claimed in claim 3, wherein: conveyer pipe (10) one end is located between water inlet and the first automatically controlled valve (9) of circulating water pump (6), the other end of conveyer pipe (10) runs through and extends to the last cavity of handling case (3), be the intercommunication setting between conveyer pipe (10) and inlet tube (8), the lateral wall fixed mounting of conveyer pipe (10) has second automatically controlled valve (11).

5. An injection mold facilitating cooling demolding according to claim 4, wherein: the other end of the first drain pipe (13) penetrates and extends into a lower chamber of the treatment box (3).

6. An injection mold facilitating cooling demolding as claimed in claim 5, wherein: the temperature sensor (14) is used for controlling the first electric control valve (9), the second electric control valve (11), the third electric control valve (15) and the fourth electric control valve (17).

7. An injection mold facilitating cooling demolding according to claim 6, wherein: the second water discharge pipe (16) is positioned between the cooling pipe (4) and the third electric control valve (15), and the other end of the second water discharge pipe (16) penetrates and extends into the upper cavity of the treatment box (3).