CN211389857U

CN211389857U - Injection mould

Info

Publication number: CN211389857U
Application number: CN201921764112.9U
Authority: CN
Inventors: 熊徐勇; 江杰
Original assignee: Hefei Mingyou Intellectual Property Management Co ltd
Current assignee: Hefei Mingyou Intellectual Property Management Co ltd
Priority date: 2019-10-19
Filing date: 2019-10-19
Publication date: 2020-09-01
Anticipated expiration: 2029-10-19

Abstract

The utility model discloses an injection mold, which comprises an upper platform, a lower platform, an injection liquid box, an upper mold device, a lower mold device and a cooling device; the utility model discloses a mould plastics, including lower platform, upper platform, lower platform, upper platform top, upper platform bottom, the upper platform is connected with the bracing piece between lower platform and the upper platform, the liquid case of moulding plastics is installed at the upper platform top, the upper platform bottom is equipped with mould device, the liquid bottom of moulding plastics is equipped with the liquid outlet, the liquid outlet communicates through the mouth of moulding plastics of flexible pipe with last mould device, lower mould device sets up on the platform down, lower. The utility model discloses simple structure makes cold water between two bed dies keep the circulation flow state always through the cooperation of refrigeration water tank and ring pipe thereby and realizes that the liquid to moulding plastics in the bed die is cooled evenly, prevents to receive cold inhomogeneous and leads to the solidification incomplete, removes the product that the sliding module transform size can a mould production a plurality of models like this when needing the size of adjustment injection moulding product, has reduced the cost of production.

Description

Injection mould

Technical Field

The utility model relates to an accurate equipment technical field especially relates to injection mold.

Background

The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate sizes, the injection molding is a processing method used when producing some parts with complex shapes in batches, particularly, the plastic melted by heating is injected into a mold cavity from an injection molding machine at high pressure, and a formed product is obtained after cooling and solidification, and the injection mold is divided into a thermosetting plastic mold automobile mold and a thermoplastic plastic mold according to the forming characteristics; the molding process includes transfer molding, blow molding, cast molding, thermoforming, hot pressing (compression molding), and injection molding, wherein the hot pressing can be divided into three types of flash, semi-flash, and non-flash by flash, and the injection molding can be divided into two types of cold runner and hot runner by a pouring system, and can be divided into two types of movable and fixed by assembling and disassembling.

The existing injection mold is generally used for injection molding of a single mold, and the types with different widths are needed when products like flat plates are injected, but the modern mold is generally only provided with a fixed mold cavity, different injection molds are needed if the size of the modern mold is required to be changed, the production efficiency is affected, in addition, the existing water condensation only injects water into the lower mold, but the water condensation in the mold is not uniform due to cooling so as to cause incomplete solidification, and the mold is deformed when being taken out.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. For this reason, the utility model discloses an aim at provides injection mold, the utility model discloses simple structure makes cold water between two lower moulding-dies keep the circulation flow state always through the cooperation of refrigeration water tank and ring pipe thereby realize that the liquid to moulding plastics in the lower moulding-die is cooled evenly, prevents to receive cold inhomogeneous and leads to the solidification incomplete, removes the product that the sliding module transform size can a mould production a plurality of models like this when needing to adjust injection product's size, has reduced the cost of production.

According to the embodiment of the utility model, the injection mold comprises an upper platform, a lower platform, an injection liquid tank, an upper mold device, a lower mold device and a cooling device;

the utility model discloses a mould plastics, including lower platform, upper platform, lower platform, upper platform top, upper platform bottom, the upper platform is connected with the bracing piece between lower platform and the upper platform, the liquid case of moulding plastics is installed at the upper platform top, the upper platform bottom is equipped with mould device, the liquid bottom of moulding plastics is equipped with the liquid outlet, the liquid outlet communicates through the mouth of moulding plastics of flexible pipe with last mould device, lower mould device sets up on the platform down, lower.

Preferably, the upper die device comprises an upper die, a damping rod and an air cylinder, the air cylinder is mounted at the bottom of the upper platform, the air cylinder is connected with the top of the upper die through the damping rod, and a plurality of positioning rods are arranged at the bottom of the upper die.

Preferably, the lower die device comprises two lower pressing dies and two sliding modules, the two lower pressing dies are arranged on the lower platform in parallel, an inwards concave sliding rail is arranged on the inner side of each lower pressing die, a cavity is formed in each lower pressing die, two sliding blocks are arranged on two sides of each sliding module and are matched with the sliding rails for installation, each sliding module is movably arranged between the corresponding lower pressing dies, and a positioning hole is formed in the top of each lower pressing die.

Preferably, cooling device includes refrigeration water tank and water pipe, refrigeration water tank sets up lower die set one side, refrigeration water tank is through a plurality of the water pipe respectively with two cavity intercommunication in the die, lower die set opposite side is equipped with the annular tube, the annular tube intercommunication is two the die.

Preferably, a micro water pump is mounted on the water pipe through a flange.

Preferably, the shock-absorbing rod includes first fixed plate and second fixed plate, install in the cylinder bottom first fixed plate one side, the telescopic link is installed to first fixed plate opposite side, second fixed plate one side is installed at the last moulding-die top, flexible cover is installed to second fixed plate opposite side, the telescopic link activity cup joints in flexible cover, be equipped with the spring in the flexible cover.

The utility model provides a beneficial effect is: the utility model discloses simple structure, produce the buffering effect when making the cylinder control go up moulding-die and lower moulding-die closure through setting up the shock attenuation pole, thereby prolong the life of cylinder and connecting rod, thereby it keeps the circulation flow state always to realize that the liquid of moulding plastics in the lower moulding-die is even to receive the cold through the cooperation of refrigeration water tank and ring pipe makes cold water between two lower moulding-dies, it is not comprehensive to prevent to receive the inhomogeneous solidification that leads to of cold, remove the slip module when needing to adjust injection moulding product's size, the moulding-die is gone up in the transform, the size in the groove of moulding plastics that slip mould and lower moulding-die formed can the product of a mould production a plurality of models like this, the cost of production has been reduced.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of an injection mold according to the present invention;

FIG. 2 is a schematic view of the upper mold device of FIG. 1;

FIG. 3 is a schematic view of the structure of the lower mold device in FIG. 1;

FIG. 4 is a top view of the lower die assembly set forth in FIG. 3;

FIG. 5 is a cross-sectional view of the lower die assembly set forth in FIG. 3;

fig. 6 is a schematic structural view of the shock-absorbing rod of fig. 2.

In the figure: 1-upper platform, 2-lower platform, 3-support rod, 4-injection liquid tank, 5-upper mold device, 51-cylinder, 52-shock-absorbing rod, 521-first fixing plate, 522-shock-absorbing rod, 523-spring, 524-telescopic sleeve, 525-second fixing plate, 53-upper pressing mold, 54-injection opening, 55-positioning rod, 56-telescopic pipe, 57-liquid outlet, 6-lower mold device, 61-sliding module, 62-lower pressing mold, 63-sliding rail, 64-positioning hole, 65-injection groove, 66-cavity, 67-sliding block, 7-cooling device, 71-annular pipe, 72-micro water pump, 73-water pipe and 74-refrigeration water tank.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to 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 and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-6, an injection mold comprises an upper platform 1, a lower platform 2, an injection liquid tank 4, an upper mold device 5, a lower mold device 6 and a cooling device 7;

be connected with bracing piece 3 between lower platform 2 and the upper platform 1, the liquid case 4 of moulding plastics is installed at 1 top of upper platform, 1 bottom of upper platform is equipped with mould device 5, the liquid case 4 bottom of moulding plastics is equipped with liquid outlet 57, liquid outlet 57 communicates through flexible pipe 56 and last mould device 5's mouth 54 of moulding plastics, flexible pipe 56 is the metal material, outside parcel has the heat preservation interlayer, prevented like this that the liquid of moulding plastics from cooling the solidification at the injection in-process, lower mould device 6 sets up under on platform 2, lower mould device 6 side is equipped with cooling device 7.

The upper die device 5 comprises an upper die 53, a shock absorption rod 52 and an air cylinder 51, wherein the air cylinder 51 is installed at the bottom of the upper platform 1, the air cylinder 51 is connected with the top of the upper die 53 through the shock absorption rod 52, the bottom of the upper die 53 is provided with a plurality of positioning rods 55, and the air cylinder 51 controls the upper die 53 and the lower die to generate a buffering effect when being closed through the arrangement of the shock absorption rod 52, so that the service lives of the air cylinder 51 and a connecting rod are prolonged.

The lower die device 6 comprises two lower dies 62 and two sliding modules 61, the lower dies 62 are arranged on the lower platform 2 in parallel, the inner sides of the lower dies 62 are provided with concave sliding rails 63, cavities 66 are formed in the lower dies 62, two sides of the two sliding modules 61 are provided with sliding blocks 67, the sliding blocks 67 and the sliding rails 63 are arranged in a matched mode, the sliding modules 61 are movably arranged between the lower dies 62, the sliding modules 61 and the lower dies 62 are designed to have no gap or a gap smaller than 0.1mm, so that injection molding liquid cannot enter, the top of the lower dies 62 is provided with positioning holes 64, the positioning rods 55 and the positioning holes 64 are correspondingly arranged, and injection molding grooves 65 formed by the upper dies 53, the sliding dies 61 and the lower dies 62 are provided with the injection molding grooves 65.

The cooling device 7 comprises a refrigeration water tank 74 and a water pipe 73, the refrigeration water tank 74 is arranged on one side of the lower die device 6, the refrigeration water tank 74 is respectively communicated with the cavities 66 in the two lower pressing dies 62 through the water pipes 73, the annular pipe 71 is arranged on the other side of the lower die device 6, the annular pipe 71 is communicated with the two lower pressing dies 62, a micro water pump 72 is flange-mounted on the water pipe 73, cold water between the two lower pressing dies 62 is always kept in a circulating flow state through the matching of the refrigeration water tank 74 and the annular pipe 71, so that the liquid injected in the lower pressing dies is uniformly cooled, and the incomplete solidification caused by the nonuniform cooling is prevented.

The shock absorption rod 52 comprises a first fixing plate 521 and a second fixing plate 525, wherein one side of the first fixing plate 521 is installed at the bottom of the cylinder 51, the other side of the first fixing plate 521 is provided with an expansion link 522, one side of the second fixing plate 525 is installed at the top of the upper pressing die 53, the other side of the second fixing plate 525 is provided with an expansion sleeve 524, the expansion link 522 is movably sleeved in the expansion sleeve 524, and a spring 523 is arranged in the expansion sleeve 524.

The working principle is as follows: during production and processing, the air rod controls the upper pressing die 53 to move downwards, the positioning column of the upper pressing die 53 is clamped in the positioning hole 64 of the lower pressing die, the injection liquid tank 4 performs injection molding on the injection groove 65 formed by the upper pressing die 53 and the lower pressing die 62, water in the refrigeration water tank 74 circularly flows in the inner cavity of the lower pressing die, so that an injection product in the injection groove 65 is rapidly cooled and formed, and the sliding module 61 is moved to change the size when the size of the injection product needs to be adjusted.

The utility model discloses simple structure, make the cylinder 51 control go up moulding-die 53 and produce the buffering effect when closing with lower die through setting up shock-absorbing rod 52, thereby the life of extension cylinder 51 and connecting rod, thereby the cooperation through refrigeration water tank 74 and ring pipe 71 makes the cold water between two lower die 62 keep the circulation flow state always and realize that it is even to receive the cold to the liquid of moulding plastics in the lower die, it is uneven not comprehensive to lead to the solidification to prevent to receive the cold, remove sliding module 61 when needing to adjust injection moulding product's size, on the transform moulding-die 53, the size of the groove of moulding plastics 65 that sliding mold 61 and lower die 62 formed can be the product of a plurality of models of mould production like this, the cost of production has been reduced.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connected mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt among the prior art, and conventional model, including the conventional connected mode among the circuit connection adoption prior art, and the details are not repeated here, and the content that does not make detailed description in this description belongs to the prior art that skilled person in the art knows.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An injection mold, its characterized in that: the injection molding machine comprises an upper platform, a lower platform, an injection molding liquid box, an upper die device, a lower die device and a cooling device;

2. An injection mold according to claim 1, characterized in that: the upper die device comprises an upper die, a damping rod and an air cylinder, the air cylinder is installed at the bottom of the upper platform, the air cylinder is connected with the top of the upper die through the damping rod, and a plurality of positioning rods are arranged at the bottom of the upper die.

3. An injection mold according to claim 1, characterized in that: the lower die device comprises two lower pressing dies and two sliding modules, the two lower pressing dies are arranged on the lower platform in parallel, the inner sides of the lower pressing dies are provided with concave sliding rails, cavities are formed in the lower pressing dies, two sliding modules are arranged on two sides of each sliding module, the sliding blocks are matched with the sliding rails, the sliding modules are movably arranged between the lower pressing dies, and positioning holes are formed in the tops of the lower pressing dies.

4. An injection mold according to claim 3, characterized in that: the cooling device comprises a refrigeration water tank and a water pipe, the refrigeration water tank is arranged on one side of the lower die device, the refrigeration water tank is provided with a plurality of water pipes which are communicated with cavities in the lower pressing die respectively, the other side of the lower die device is provided with an annular pipe, and the annular pipe is communicated with the lower pressing die.

5. An injection mold according to claim 4, wherein: and a micro water pump is arranged on the water pipe through a flange.

6. An injection mold according to claim 2, characterized in that: the damping rod comprises a first fixing plate and a second fixing plate, one side of the first fixing plate is installed at the bottom of the air cylinder, the telescopic rod is installed on the other side of the first fixing plate, one side of the second fixing plate is installed at the top of the upper pressing die, the telescopic sleeve is installed on the other side of the second fixing plate, the telescopic rod is movably sleeved in the telescopic sleeve, and a spring is arranged in the telescopic sleeve.