CN215849353U

CN215849353U - In-mold cooling and cutting device of injection mold

Info

Publication number: CN215849353U
Application number: CN202121784666.2U
Authority: CN
Inventors: 毛一璞
Original assignee: Shandong Tianle Plastic Technology Co ltd
Current assignee: Shandong Tianle Plastic Technology Co ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2022-02-18
Anticipated expiration: 2031-08-02

Abstract

The utility model discloses an in-mold cooling and cutting device of an injection mold, and relates to the technical field of injection molding production devices. According to the utility model, through the matching among the heat conducting plate, the cooling pump and the graphite heat dissipation plate, the heat generated in the injection mold main body is firstly conducted to the liquid cooling plate through the heat conducting plate, the heat is absorbed by matching with the cooling pump, and then the heat is rapidly absorbed through the matching of the graphite heat dissipation plate, so that the injection-molded workpiece is cooled, the phenomenon that too long time is consumed is avoided, and the use efficiency of the device is improved.

Description

In-mold cooling and cutting device of injection mold

Technical Field

The utility model relates to an injection mold cooling device, relates to the technical field of injection production devices, and particularly relates to an in-mold cooling and cutting device of an injection mold.

Background

The injection mold is a tool for producing plastic products and is widely applied to various industries, the injection molding is a processing method used for producing some parts with complex shapes in batches, and the injection mold is divided into a thermosetting plastic mold and a thermoplastic plastic mold according to the molding characteristics; the molding process includes transfer molding, blow molding, cast molding, thermoforming, hot pressing (compression molding), injection molding, etc.

The following problems exist in the prior art:

1. when the existing in-mold cooling and cutting device of the injection mold is used, the mode of air cooling or room temperature standing is usually adopted to cool the injection molded workpiece, and the process needs to consume longer time, so that the use efficiency of the device is reduced;

2. when the in-mold cooling and cutting device of the existing injection mold is used, certain adhesion can be generated between the injection molding part and the mold due to the characteristic of the injection molding part during injection molding, so that the problems of poor demolding effect and low demolding efficiency are caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides an in-mold cooling and cutting device of an injection mold, which aims to realize the capability of quickly cooling a workpiece and solve the problem of low use efficiency of the device caused by long cooling time; wherein another kind of purpose is in order to solve injection molding and mould and produce certain adhesion, leads to the drawing of patterns effect poor, the problem of inefficiency to reach the effect that improves drawing of patterns efficiency and work piece quality.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:

the utility model provides an injection mold's interior cooling of mould and cutting device, includes the injection mold main part, the top of injection mold main part is provided with the mould apron, fixedly connected with mould shell on the surface of injection mold main part, the inside of mould shell is provided with circulative cooling mechanism, be provided with supplementary demoulding mechanism between injection mold main part and the mould shell.

The circulating cooling mechanism comprises a heat-conducting plate, the outer surface of the heat-conducting plate is fixedly connected to the outer surface of the mold shell, and a liquid cooling plate is arranged on one side of the heat-conducting plate.

The auxiliary demolding mechanism comprises a bottom plate, the outer surface of the bottom plate is fixedly connected to the inner wall of the bottom end of the injection mold main body, and an auxiliary vibration demolding device is arranged on one side of the bottom plate.

The technical scheme of the utility model is further improved as follows: the surface fixed connection of liquid cold plate is on the surface of heat-conducting plate, fixedly connected with drain pipe on the surface of liquid cold plate, the one end fixedly connected with cooling pump of drain pipe, the output fixedly connected with feed liquor pipe of cooling pump, the one end fixed connection of feed liquor pipe is on the surface of liquid cold plate.

By adopting the technical scheme, the liquid cooling plate, the heat conducting plate, the liquid outlet pipe, the cooling pump and the liquid inlet pipe in the scheme are matched together to cool the injection molding die.

The technical scheme of the utility model is further improved as follows: the liquid cooling plate is characterized in that a heat pipe is fixedly connected to the outer surface of the liquid cooling plate, a graphite heat dissipation plate is fixedly connected to one end of the heat pipe, a connecting plate is fixedly connected to the inner portion of the graphite heat dissipation plate, and graphite heat dissipation fins are uniformly distributed on the outer surface of the connecting plate.

By adopting the technical scheme, the heat pipe, the graphite heat dissipation plate and the graphite heat dissipation plate in the scheme are matched together, so that the injection molding die is further cooled, and the cooling speed is accelerated.

The technical scheme of the utility model is further improved as follows: the utility model discloses a mould, including bottom plate, supplementary vibrations knockout, inner wall fixed connection of mould shell has a power device, power device's output shaft fixed connection is on the surface of supplementary vibrations knockout, the bottom of hydraulic stem is connected with the internal surface fixed connection of mould shell.

By adopting the technical scheme, the hydraulic rod, the auxiliary vibration stripper and the power device in the scheme are matched together, and the injection molding mold is separated from the injection mold main body through vibration.

The technical scheme of the utility model is further improved as follows: the inner wall of the mold shell is fixedly connected with a telescopic rod, one end of the telescopic rod is fixedly connected onto the outer surface of the injection mold main body, and a stabilizing spring is arranged on the outer surface of the telescopic rod in a penetrating mode.

By adopting the technical scheme, the telescopic rod and the stabilizing spring in the scheme are matched together, so that the stability of the injection mold main body is ensured.

The technical scheme of the utility model is further improved as follows: one end of the stabilizing spring is fixedly connected to the inner surface of the mold shell, the other end of the stabilizing spring is fixedly connected to the outer surface of the injection mold main body, and a heat dissipation port is formed in the outer surface of the mold shell.

By adopting the technical scheme, the spring in the scheme is used for stabilizing the injection mold main body, and the heat dissipation port is used for accelerating the heat exchange between the circulating heat dissipation mechanism and air.

Due to the adoption of the technical scheme, compared with the prior art, the utility model has the technical progress that:

1. the utility model provides an in-mold cooling and cutting device of an injection mold, which adopts the matching among a heat conducting plate, a cooling pump and a graphite cooling plate, firstly leads heat generated in an injection mold main body to the liquid cooling plate through the heat conducting plate, and absorbs a large amount of heat by matching with the cooling pump, and then quickly absorbs the heat by matching with the graphite cooling plate, so that a workpiece formed by injection molding is cooled, the consumption of too long time is avoided, and the use efficiency of the device is improved.

2. The utility model provides an in-mold cooling and cutting device of an injection mold, which adopts the matching among a bottom plate, a hydraulic rod, an auxiliary vibration stripper, a power device, a telescopic rod and a stabilizing spring, after a workpiece in the injection mold is cooled and molded, the auxiliary vibration stripper slightly vibrates to separate the workpiece from a main body of the injection mold, and then the workpiece is pushed out by matching with the bottom plate and the hydraulic rod, so that the adhesion of the injection workpiece and the mold is avoided, and the demolding effect and efficiency are improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic perspective sectional view of a structural hydronic mechanism according to the present invention;

FIG. 3 is a schematic cross-sectional view of a structural graphite heat sink plate according to the present invention;

fig. 4 is a schematic perspective sectional view of the structure-assisted demolding mechanism of the present invention.

In the figure: 1. an injection mold body; 11. a mold cover plate; 12. a mold housing;

2. a circulating cooling mechanism; 21. a heat conducting plate; 22. a liquid-cooled plate; 23. a liquid outlet pipe; 24. a cooling pump; 25. a liquid inlet pipe; 26. a heat pipe; 27. a graphite heat dissipation plate; 271. a connecting plate; 272. a graphite heat sink;

3. an auxiliary demolding mechanism; 31. a base plate; 32. a hydraulic lever; 33. an auxiliary vibration stripper; 34. a power plant; 35. a telescopic rod; 36. the spring is stabilized.

Detailed Description

The present invention will be described in further detail with reference to the following examples:

example 1

As shown in fig. 1-4, the present invention provides an in-mold cooling and cutting device for an injection mold, comprising an injection mold body 1, a mold cover plate 11 is disposed on the top of the injection mold body 1, a mold housing 12 is fixedly connected to the outer surface of the injection mold body 1, a circulating cooling mechanism 2 is disposed inside the mold housing 12, an auxiliary demolding mechanism 3 is disposed between the injection mold body 1 and the mold housing 12, the circulating cooling mechanism 2 comprises a heat conducting plate 21, the outer surface of the heat conducting plate 21 is fixedly connected to the outer surface of the mold housing 12, a liquid cooling plate 22 is disposed on one side of the heat conducting plate 21, the auxiliary demolding mechanism 3 comprises a bottom plate 31, the outer surface of the bottom plate 31 is fixedly connected to the inner wall of the bottom end of the injection mold body 1, an auxiliary vibration ejector 33 is disposed on one side of the bottom plate 31, the outer surface of the liquid cooling plate 22 is fixedly connected to the outer surface of the heat conducting plate 21, the outer surface of the liquid cooling plate 22 is fixedly connected with a liquid outlet pipe 23, one end of the liquid outlet pipe 23 is fixedly connected with a cooling pump 24, the output end of the cooling pump 24 is fixedly connected with a liquid inlet pipe 25, one end of the liquid inlet pipe 25 is fixedly connected with the outer surface of the liquid cooling plate 22, firstly, heat generated in the injection mold main body 1 is transferred to the liquid cooling plate 22 through the heat conducting plate 21, liquid absorbing the heat flows to the cooling pump 24 through the liquid outlet pipe 23 for cooling, the cooled liquid flows to the liquid cooling plate 22 through the liquid inlet pipe 25 for recycling, the outer surface of the liquid cooling plate 22 is fixedly connected with a heat pipe 26, one end of the heat pipe 26 is fixedly connected with a graphite cooling plate 27, the interior of the graphite cooling plate 27 is fixedly connected with a connecting plate 271, graphite cooling fins 272 are uniformly distributed on the outer surface of the connecting plate 271, the heat which is not absorbed by the liquid cooling plate 22 is transferred to the graphite cooling plate 27 through the heat pipe 26, the heat is further absorbed by a large number of graphite heat dissipating fins 272 provided inside the graphite heat dissipating plate 27.

Example 2

As shown in fig. 1 to 4, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the outer surface of the bottom plate 31 is movably connected with a hydraulic rod 32, the outer surface of the auxiliary vibration stripper 33 is fixedly connected to the outer surface of the bottom end of the injection mold main body 1, the inner wall of the mold housing 12 is fixedly connected with a power device 34, an output shaft of the power device 34 is fixedly connected to the outer surface of the auxiliary vibration stripper 33, the bottom of the hydraulic rod 32 is fixedly connected with the inner surface of the mold housing 12, after a workpiece in the injection mold main body 1 is cooled and shaped, the workpiece is separated from the injection mold main body 1 by slight vibration of the auxiliary vibration stripper 33, the workpiece is thoroughly separated from the injection mold main body 1 by matching with the hydraulic rod 32 and the bottom plate 31, the inner wall of the mold housing 12 is fixedly connected with a telescopic rod 35, one end of the telescopic rod 35 is fixedly connected to the outer surface of the injection mold main body 1, and a stabilizing spring 36 penetrates through the outer surface of the telescopic rod 35, through the cooperation of telescopic link 35 and stabilizing spring 36, guarantee the stability of injection mold main part 1.

Example 3

As shown in fig. 1 to 4, on the basis of embodiment 1, the present invention provides a technical solution: preferably, one end of the stabilizing spring 36 is fixedly connected to the inner surface of the mold housing 12, the other end of the stabilizing spring 36 is fixedly connected to the outer surface of the injection mold main body 1, a heat dissipation opening is formed in the outer surface of the mold housing 12, the stabilizing spring 36 is mainly used for matching with the telescopic rod 35 to ensure the stability of the injection mold main body 1, and the exchange of heat between the injection mold main body 1 and air is accelerated through the heat dissipation opening.

The working principle of the in-mold cooling and cutting device of the injection mold will be described in detail below.

As shown in fig. 1-4, firstly, the heat generated in the injection mold body 1 is conducted to the liquid cooling plate 22 through the heat conducting plate 21 for cooling, the cooling liquid in the liquid cooling plate 22 absorbs the heat and then flows to the cooling pump 24 through the liquid outlet pipe 23, the cooling liquid is cooled by the cooling pump 24 and then flows into the liquid cooling plate 22 through the liquid inlet pipe 25, the heat is absorbed by the circulation effect, the heat which cannot be absorbed by the liquid cooling plate 22 is transferred to the graphite heat dissipation plate 27 through the heat pipe 26 for cooling, so that the cooling time is prevented from being too long, after the workpiece in the injection mold body 1 is cooled and shaped, the workpiece is separated from the injection mold body 1 through slight vibration of the auxiliary vibration ejector 33, and then the liquid pressure rod 32 and the bottom plate 31 are matched to completely separate the workpiece from the injection mold body 1, thereby improving the demolding effect and efficiency.

The present invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Therefore, modifications or improvements are within the scope of the utility model without departing from the spirit of the inventive concept.

Claims

1. The utility model provides an injection mold's interior cooling of mould and cutting device, includes injection mold main part (1), the top of injection mold main part (1) is provided with mould apron (11), fixedly connected with mould shell (12), its characterized in that on the surface of injection mold main part (1): a circulating cooling mechanism (2) is arranged in the mold shell (12), and an auxiliary demolding mechanism (3) is arranged between the injection mold body (1) and the mold shell (12);

the circulating cooling mechanism (2) comprises a heat conducting plate (21), the outer surface of the heat conducting plate (21) is fixedly connected to the outer surface of the die shell (12), and a liquid cooling plate (22) is arranged on one side of the heat conducting plate (21);

the auxiliary demolding mechanism (3) comprises a bottom plate (31), the outer surface of the bottom plate (31) is fixedly connected to the inner wall of the bottom end of the injection mold body (1), and an auxiliary vibration demolding device (33) is arranged on one side of the bottom plate (31).

2. The in-mold cooling and cutting apparatus of an injection mold according to claim 1, wherein: the fixed surface of the cold board of liquid (22) connects on the surface of heat-conducting plate (21), fixedly connected with drain pipe (23) on the surface of the cold board of liquid (22), one end fixedly connected with cooling pump (24) of drain pipe (23), the output fixedly connected with feed liquor pipe (25) of cooling pump (24), the one end fixed connection of feed liquor pipe (25) is on the surface of the cold board of liquid (22).

3. The in-mold cooling and cutting apparatus of an injection mold according to claim 1, wherein: the liquid cooling plate is characterized in that a heat pipe (26) is fixedly connected to the outer surface of the liquid cooling plate (22), a graphite heat dissipation plate (27) is fixedly connected to one end of the heat pipe (26), a connection plate (271) is fixedly connected to the inside of the graphite heat dissipation plate (27), and graphite heat dissipation fins (272) are uniformly distributed on the outer surface of the connection plate (271).

4. The in-mold cooling and cutting apparatus of an injection mold according to claim 1, wherein: swing joint has hydraulic stem (32) on the surface of bottom plate (31), the fixed surface of supplementary vibrations knockout (33) is connected on the bottom surface of injection mold main part (1), the inner wall fixed connection of mould shell (12) has power device (34), the output shaft fixed connection of power device (34) is on the surface of supplementary vibrations knockout (33), the bottom of hydraulic stem (32) and the fixed surface of mould shell (12) are connected.

5. The in-mold cooling and cutting apparatus of an injection mold according to claim 1, wherein: fixedly connected with telescopic link (35) on the inner wall of mould shell (12), the one end fixed connection of telescopic link (35) is on the surface of injection mold main part (1), wear to be equipped with stabilizing spring (36) on the surface of telescopic link (35).

6. The in-mold cooling and cutting device of an injection mold according to claim 5, wherein: one end of the stabilizing spring (36) is fixedly connected to the inner surface of the mold shell (12), the other end of the stabilizing spring (36) is fixedly connected to the outer surface of the injection mold main body (1), and a heat dissipation opening is formed in the outer surface of the mold shell (12).