CN207954541U - A kind of injection mold that can accelerate injecting products cooling and demolding - Google Patents

Abstract

The utility model discloses an injection mold capable of accelerating the cooling and demoulding of injection molded products. The injection mold comprises an upper mold base, a lower mold base, a mold clamping oil cylinder, a product ejection mechanism and an air blowing cooling device. The mold base is connected, the lower mold base includes a lower mold base frame and a bottom bracket, the lower mold base frame and the bottom bracket are flexibly connected, and the product ejection mechanism is arranged at the bottom of the lower mold base; wherein the upper mold base and the lower mold base Internal cooling passages are provided inside, and the upper mold base and the left end of the lower mold base are provided with cold air inlets, and the cold air inlets are connected to the blowing cooling device through pipes. The air blowing cooling device can blow air to cool the upper mold base and the lower mold base at the same time, speed up the demoulding speed of the injection molded product, the upper mold base and the lower mold base, and improve the injection molding demoulding efficiency.

Description

An injection mold capable of accelerating the cooling and demoulding of injection molded products

technical field

The utility model relates to the technical field of injection molding machines, in particular to an injection mold capable of accelerating the cooling and demoulding of injection molding products.

Background technique

Injection mold is a tool for producing plastic products, and it is also a tool for giving plastic products a complete structure and precise dimensions. It is used in industrial production for injection molding, blow molding, extrusion, die-casting or stamping. Due to the variety of plastics and processing methods, and the structure of plastic molding machines and plastic products, the types and structures of plastic molds are also diverse. During injection molding, the processing of the shape of the article is mainly achieved through the change of the physical state of the molding material. During injection molding, the mold is clamped on the injection molding machine, and the molten plastic is injected into the molding cavity, cooled and shaped in the cavity, and then the upper and lower molds Separated, the product is ejected from the mold cavity and leaves the mold through the product ejection mechanism. However, during the cooling process of the existing injection molded products, affected by the depth of the mold cavity, the part inside the molding cavity cannot contact the outside air, and the cooling speed Slow, causing the cooling effect of the same injection molded product to be inconsistent, resulting in the deformation of the injection molded product when the injection molded product is demolded.

Utility model content

Purpose of the utility model: Aiming at the problems and deficiencies in the above-mentioned prior art, the purpose of the utility model is to provide an injection mold that can accelerate the cooling and demoulding of injection molded products.

Technical solution: In order to achieve the above purpose, an injection mold capable of accelerating the cooling and demoulding of injection molded products described in the utility model includes an upper mold base, a lower mold base, a mold clamping oil cylinder, a product ejection mechanism and an air blowing cooling device, The mold clamping oil cylinder is connected with the upper mold base, the lower mold base includes a lower mold base frame and a bottom bracket, the lower mold base frame and the bottom bracket are movably connected, and the product ejection mechanism is arranged at the bottom of the lower mold base; wherein The inside of the upper die base and the lower die base are both equipped with internal cooling passages, and the left ends of the upper die base and the lower die base are provided with cold air inlets, and the cold air inlets are connected to the air blowing cooling device through pipes.

Further, the product ejection mechanism includes a cylinder, a ejector rod and a magnetic adsorption seat, the cylinder is connected to the lower end of the ejector rod, and the upper end of the ejector rod is fixed to the magnetic adsorption seat.

Further, the blowing air cooling device includes an air storage tank, an air outlet pipe and a double-headed air jet joint, one end of the air outlet pipe is connected to the air storage tank, and the other end of the air outlet pipe is connected to a double-headed air jet joint, and the double-headed air jet The joints are all corresponding to the cold air inlets of the upper mold base and the lower mold base.

Further, an air valve switch is provided at the cold air inlet.

Further, positioning columns are provided on the left and right sides of the upper mold base, and fixing through holes corresponding to the positioning columns are provided on the lower mold base.

An injection molding process of an injection mold capable of accelerating the cooling and demoulding of injection molded products

1) Clamp the upper mold base and the lower mold base through the mold clamping cylinder;

2) Pour the required injection molding materials into the gate of the upper mold base, and the pouring is completed;

3) Connect the cold air inlet of the upper mold base and the lower mold base to the blowing cooling device to cool the upper mold base and the lower mold base,

4) The clamping cylinder moves upwards to separate the upper die base from the lower die base;

5) Lift the lower mold base frame of the lower mold base upwards from the surroundings, the injection molded product is separated from the lower mold base frame, and the injection molded product is demoulded from the bottom support.

It can be seen from the foregoing technical scheme that the beneficial effects of the utility model are:

The utility model relates to an injection mold capable of speeding up the cooling and demoulding of injection molding products. The lower mold base includes a lower mold base frame and a bottom support. The base frame is separated to realize demoulding, which is simple and practical. The air blowing cooling device can simultaneously blow air to cool the upper mold base and the lower mold base, so as to speed up the demoulding speed of the injection molded product from the upper mold base and the lower mold base, and improve injection mold release. Modular efficiency.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the utility model.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment, further illustrate the utility model.

A kind of injection mold that can quicken the cooling demoulding of injection molded product as shown in Figure 1, comprises upper mold base 1, lower mold base 2, clamping oil cylinder 3, product ejection mechanism 4 and blowing air cooling device 5, described closing The mold oil cylinder 3 is connected with the upper mold base 1, and the lower mold base 2 includes a lower mold base frame body 21 and a bottom bracket 22, and the lower mold base frame body 21 and the bottom bracket 22 are movably connected, and the product ejection mechanism 4 is arranged on the bottom The bottom of the mold base 2; the inside of the upper mold base 1 and the lower mold base 2 are provided with internal cooling passages, and the left ends of the upper mold base and the lower mold base are provided with a cold air inlet 6, and the cold air inlet 6 passes through the pipe and the air blowing cooling device 5 connect. Air blowing cooling device 5 blows air from the internal cooling channel on the left side, so that the product is cooled in time to facilitate demoulding in time.

The product ejection mechanism 4 in this embodiment includes a cylinder 41 , a ejector rod 42 and a magnetic adsorption seat 43 , the cylinder 41 is connected to the lower end of the ejector rod 42 , and the upper end of the ejector rod 42 is fixed to the magnetic adsorption seat 43 .

The air blowing cooling device 5 described in this embodiment includes an air storage tank 51, an air outlet pipe 52 and a double-headed air jet connector 53, one end of the air outlet pipe 52 is connected to the air storage tank 51, and the other end of the air outlet pipe 52 is connected to the double-head The air jet joint 53, the double-headed air jet joint 53 is corresponding to the cold air inlet 6 of the upper mold base 1 and the lower mold base 2.

In this embodiment, the cold air inlet 6 is provided with an air valve switch.

In this embodiment, the upper mold base 1 is provided with positioning columns 7 on the left and right sides, and the lower mold base 2 is provided with fixing through holes corresponding to the positioning columns 7 .

An injection molding process of an injection mold capable of accelerating the cooling and demoulding of injection molded products

1) Clamp the upper mold base 1 and the lower mold base 2 through the clamping cylinder 3;

2) Pour the required injection molding materials into the gate of the upper mold base 1, and the pouring is completed;

3) Connect the cold air inlet 6 of the upper mold base 1 and the lower mold base 2 with the air blowing cooling device 5 to cool the upper mold base 1 and the lower mold base 2,

4) Clamping cylinder 3 moves upward to separate upper mold base 1 and lower mold base 2;

5) Lift the lower mold base frame 21 of the lower mold base 2 upwards from the surroundings, the injection molded product is separated from the lower mold base frame 21 , and the injection molded product is demoulded from the bottom bracket 22 .

The embodiments are only used to illustrate the utility model and are not intended to limit the scope of the utility model. After reading the utility model, those skilled in the art all fall within the limits of the appended claims of the application to the various equivalents of the utility model range.

Claims (5)

1. a kind of injection mold that can accelerate injecting products cooling and demolding, it is characterised in that：Including upper die holder（1）, lower die holder （2）, die cylinder（3）, product ejecting mechanism（4）And blowing cooling device（5）, the die cylinder（3）With upper die holder（1）Even It connects, the lower die holder（2）Including lower die holder framework（21）And collet（22）, the lower die holder framework（21）And collet（22）Activity Connection, product ejecting mechanism（4）It is arranged in lower die holder（2）Bottom；Wherein upper die holder（1）And lower die holder（2）In inside is equipped with Cold passage, upper die holder and lower die holder left end are equipped with cold air inlet（6）, the cold air inlet（6）Pass through pipeline and cooling dress of blowing It sets（5）Connection.

2. a kind of injection mold that can accelerate injecting products cooling and demolding according to claim 1, it is characterised in that：Institute State product ejecting mechanism（4）Including cylinder（41）, mandril（42）With magnetic absorption seat（43）, the cylinder（41）With mandril（42） Lower end connects, mandril（42）Upper end and magnetic absorption seat（43）It is fixed.

3. a kind of injection mold that can accelerate injecting products cooling and demolding according to claim 2, it is characterised in that：Institute State blowing cooling device（5）Including air accumulator（51）, escape pipe（52）With double end jet connector（53）, the escape pipe（52）'s One end and air accumulator（51）Connection, escape pipe（52）The other end connect double end jet connector（53）, the double end jet connector （53）And upper die holder（1）And lower die holder（2）Cold air inlet（6）It is corresponding.

4. a kind of injection mold that can accelerate injecting products cooling and demolding according to claim 3, it is characterised in that：Institute State cold air inlet（6）Place is equipped with air valve switch.

5. a kind of injection mold that can accelerate injecting products cooling and demolding according to claim 1, it is characterised in that：Institute State upper die holder（1）The upper left and right sides is equipped with positioning column（7）, lower die holder（2）It is equipped with and positioning column（7）Corresponding fixed hole.