Air-cooled mold

Abstract

The utility model discloses a gas cooling mould, including first movable platen, is equipped with the gas path that penetrates, first insert, be located in the first movable platen, and first insert is equipped annular recess, and the annular recess is equipped with the air hole, core, is embedded in the first insert, and the outer wall of core is attached with the inner wall of first insert, to block the air hole, or the outer wall of core is separated from the inner wall of first insert, make the air hole open. In the mold opening process, core separates from first insert, and the air hole is opened, at this time, ventilation is carried out in the gas path, and after cooling gas enters the annular recess of first insert from the gas path, blows out through the air hole and directly blows to the surface of core, directly cools the core, makes the time of core cooling reduce, improves the cooling efficiency, and further improves injection molding efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold technical field especially relates to a gas cooling mold. BACKGROUND

[0002] Injection molding is a highly efficient manufacturing process, widely used in the production of various plastic parts. When producing products with internal thread features, an internal thread core is usually used to form the thread. During injection molding, the plastic material solidifies in the cavity and forms the desired shape.

[0003] In injection molding, water cooling is a common cooling method, which accelerates the solidification process of plastic by arranging cooling water channels inside the mold. However, if a cooling water channel is set inside the internal thread core, it will cause leakage of cooling water, and the space limits the design of the cooling water channel, which can only be set on the outside of the internal thread core, resulting in reduced cooling efficiency, which in turn affects product quality and production efficiency. SUMMARY

[0004] The utility model provides a kind of gas cooling mold, to at least solve one of the technical problems existing in prior art.

[0005] The technical scheme of the utility model relates to a kind of gas cooling mold, it is characterized in that, comprising:

[0006] First movable platen is equipped with through gas path;

[0007] First insert is arranged in the first movable platen, the first insert is equipped annular recess, and the annular recess is equipped with air hole;

[0008] Core is embedded in the first insert, the outer wall of the core is attached to the inner wall of the first insert to block the air hole, or the outer wall of the core is separated from the inner wall of the first insert, so that the air hole is opened.

[0009] According to some embodiments of the utility model, the axis of the air hole and the axis of the gas path have an angle α, 180°> α> 0°.

[0010] According to some embodiments of the utility model, at least two air holes are provided on the first insert, and two air holes are symmetrically arranged along the axis of the first insert.

[0011] According to some embodiments of the utility model, the first insert is provided with a plurality of, and each two first inserts are provided with a gas path, and the gas inlet of the gas path is arranged on the side surface of the first movable platen.

[0012] According to some embodiments of the utility model, still include second movable mold plate, be equipped with a plurality of second insert on second movable mold plate, be equipped with gas path on second movable mold plate, the lower end of core is located in second insert, be equipped with air hole on second insert.

[0013] The utility model discloses beneficial effect as follows:

[0014] 1, by setting up air hole on first insert, and setting up gas path in first movable mold plate, when clamping, core and first insert are pasted, and air hole is blocked, can guarantee the sealing property in injection molding process, when opening, core is separated from first insert, and air hole is opened, at this time, ventilation is carried out in gas path, and cooling gas enters annular recess of first insert from gas path, and then is blown out through air hole and is directly blown to the surface of core, directly cools the core, makes the time of core cooling reduce, improves cooling efficiency, further improves injection molding efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structure schematic diagram of a gas cooling mould of the embodiment of the utility model,

[0016] Figure 2 It is Figure 1 The sectional view (hidden part structure) of a gas cooling mould shown in figure 1,

[0017] Figure 3 It is Figure 2 The partial enlarged schematic drawing of a gas cooling mould shown in figure 1.

[0018] Reference numerals:

[0019] First movable mold plate 100, gas path 110,

[0020] First insert 200, annular recess 210, air hole 220,

[0021] Core 300,

[0022] Second movable mold plate 400,

[0023] Second insert 500. DETAILED DESCRIPTION

[0024] The following contents will describe several embodiments of the utility model, including the embodiment corresponding to the drawing, and can understand that the drawing is used to assist understanding the technical features and technical scheme of the utility model, and should not be understood as the limit of the protection scope of the utility model.

[0025] The concept, specific structure and generated technical effects of the present application will be described clearly and completely in combination with the embodiments and drawings, so as to fully understand the purpose, scheme and effect of the present application. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0026] It should be noted that, unless otherwise explicitly limited, when a certain feature is referred to as "fixed", "connected", "installed", "arranged" on another feature, it can be directly "fixed", "connected", "installed", "arranged" on another feature, or indirectly "fixed", "connected", "installed", "arranged" on another feature. The words "fixed", "connected", "installed", "arranged" and the like should be understood broadly, and the person skilled in the art can reasonably determine the specific meaning of the above words in the present application in combination with the specific content of the technical scheme.

[0027] It should be noted that the description of the orientation or positional relationship of the present application used in the present application, such as up, down, left, right, top, bottom, front, back, inside, outside and the like, is based on the orientation or positional relationship of the drawings or embodiments, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0028] It should be noted that the term "and / or" used in the present application includes any combination of one or more related listed items, the meaning of several is one or more, the meaning of multiple is at least two, greater than, less than, more than, etc. Understand as not including the number, above, below, within, etc. Understand as including the number.

[0029] It should be noted that in the present application, if the first, second is described only for the purpose of distinguishing technical features, it cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0030] It should be noted that, unless otherwise explicitly limited, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art. The terms used in the specification of the present application are only for the purpose of describing specific embodiments, and are not intended to limit the present application.

[0031] Reference Figures 1 to 3The utility model provides a kind of gas cooling mould, comprising: first movable platen 100, it is equipped with through gas path 110;First insert 200, it is in first movable platen 100, first insert 200 is equipped annular recess 210, annular recess 210 is equipped with air hole 220;Core 300, it is embedded in first insert 200, the outer wall of core 300 and the inner wall of first insert 200 are attached, to block the air hole 220 shown, or the outer wall of core 300 and the inner wall of first insert 200 are separated, so that air hole 220 opens.

[0032] Need to be explained, during clamping injection molding, because the outer wall of core 300 and the inner wall of first insert 200 are attached, so that air hole 220 is blocked, forms the environment of sealing in cavity, so that injection molding can be carried out, when opening mould, first movable platen 100 drives first insert 200 to be away from fixed platen, so that core 300 and first insert 200 are separated, so that air hole 220 opens, at this time, cooling gas is passed in, and the gas enters the annular recess 210 of first insert 200 from gas path 110, and first insert 200 and first movable platen 100 are cooled, and then the gas flows to the air hole 220 from the annular recess 210, and is blown to the outer surface of core 300 from the air hole 220, and the core 300 is directly cooled.

[0033] The above-mentioned gas cooling mould has at least the following beneficial effects: by setting air hole 220 on first insert 200, and setting gas path 110 in first movable platen 100, when clamping, core 300 and first insert 200 are attached, and air hole 220 is blocked, so that the sealing property during injection molding can be guaranteed, when opening mould, core 300 is separated from first insert 200, and air hole 220 is opened, at this time, air is passed into gas path 110, and cooling gas enters the annular recess 210 of first insert 200 from gas path 110, and is blown out through air hole 220 and directly blown to the surface of core 300, so that the core 300 is directly cooled, the cooling time of core 300 is reduced, the cooling efficiency is improved, and the injection molding efficiency is further improved.

[0034] According to some embodiments of the utility model, the axis of air hole 220 and the axis of gas path 110 have angle α, 180°> α> 0°, by setting the axis of air hole 220 and the axis of gas path 110 at a certain angle, so that cooling gas can fully circulate in the annular recess 210 of first insert 200, and the first insert 200 is maximized cooling effect at the same time, and the core 300 is cooled by blowing out from air hole 220, in the above-mentioned embodiment, α is optimal 90°.

[0035] According to some embodiments of the utility model, first insert piece 200 is equipped with at least two air holes 220, two air holes 220 are symmetrically arranged along the axis of first insert piece 200, by setting multiple air holes 220, multiple angles of core 300 can be simultaneously blown and cooled, and cooling efficiency is further improved.

[0036] According to some embodiments of the utility model, first insert piece 200 is equipped with multiple, every two first insert pieces 200 are equipped with a gas path 110, the gas inlet of gas path 110 is arranged on the side of first movable mold plate 100, by connecting gas path 110 between every two first insert pieces 200, and by the simultaneous inlet of cooling gas from both sides, cooling efficiency is improved, cooling time is reduced, and the cooling waiting time of the next mold injection is reduced.

[0037] According to some embodiments of the utility model, it further includes second movable mold plate 400, second movable mold plate 400 is equipped with several second insert pieces 500, second movable mold plate 400 is equipped with gas path 110, the lower end of core 300 is arranged in second insert piece 500, second insert piece 500 is equipped with air hole 220.

[0038] It should be noted that in the present specification, several embodiments of the utility model can be described using terms such as "one embodiment", "several embodiments", "basic embodiment", "extended embodiment", and the like, and the specific features, structures, materials or characteristics in several embodiments can be combined as long as they meet the principles and purposes of the utility model.

[0039] Although some embodiments of the utility model have been shown and described in the present specification, the utility model should not be limited to the above embodiments, but as long as the same or equivalent means achieve the technical effects of the utility model, any changes, modifications, equivalent replacements and equivalent variations of these embodiments within the spirit and principles of the disclosure without departing from the principles and purposes of the utility model should be included in the protection scope of the disclosure, and should be considered to belong to the protection scope of the utility model.

Claims

1. An air-cooled mold characterized by, The utility model relates to a die-casting machine, comprising: a first movable die plate provided with a through air passage; a first insert provided in the first movable die plate, the first insert being provided with an annular recess, and the annular recess being provided with an air hole; a core embedded in the first insert, the outer wall of the core being in close contact with the inner wall of the first insert to block the air hole, or the outer wall of the core being separated from the inner wall of the first insert to open the air hole.

2. A gas-cooled mold according to claim 1, wherein The air hole has an angle alpha with the axis of the air passage, and 180°> alpha > 0°.

3. A gas-cooled mold according to claim 2, wherein The first insert is provided with at least two air holes, and the two air holes are symmetrically arranged along the axis of the first insert.

4. A gas-cooled mold according to claim 1, wherein The first insert is provided with a plurality of first inserts, each two first inserts being provided with an air passage, and the air inlet of the air passage being arranged on the side surface of the first movable die plate.

5. An air-cooled mold according to claim 1, wherein The utility model further comprises a second movable die plate, the second movable die plate being provided with a plurality of second inserts, the second movable die plate being provided with the air passage, the lower end of the core being arranged in the second insert, and the second insert being provided with the air hole.

Images