CN206937903U - A plastic injection mold structure with double cooling - Google Patents

Abstract

The utility model discloses a plastics injection mold structure with dual cooling effect, including cover half and movable mould, a side that the movable mould corresponds the cover half is equipped with a mould benevolence mounting groove, install a mould benevolence that can follow in this mould benevolence mounting groove and take out in the mould benevolence mounting groove, be equipped with the circulative cooling water route in the movable mould, the back of mould benevolence is equipped with the secondary cooling water route with circulative cooling water route intercommunication, the secondary cooling water route comprises a plurality of continuous connection's U-shaped water route, the front of mould benevolence is equipped with the plastics model recess, the delivery port in circulative cooling water route is connected to the water inlet in secondary cooling water route. The utility model discloses a dual cooling water system, cooling water system in the movable mould can take away the peripheral heat of mould benevolence, and the cooling water route at the mould benevolence back can have the effect of adjusting mould benevolence temperature balance with the core temperature control of mould benevolence. The cooling water path at the back of the mold core directly contacts the mold core, so that the heat of the mold core can be quickly taken away, the temperature regulation speed is increased, and the injection molding quality of a product is improved.

Description

A plastic injection mold structure with double cooling

technical field

The utility model relates to an injection mold, in particular to a plastic injection mold structure with double cooling functions.

Background technique

Injection mold is a tool for producing plastic products. It injects heated and melted material into the mold cavity under high pressure, and after cooling and solidifying, molded products are obtained. Since the concave mold part and the convex mold part of the injection mold will withstand the high temperature plastic material for a long time, the long-term work of the injection mold will cause the material aging of the concave mold part and the convex mold part, which will greatly shorten the life of the injection mold. service life and product quality.

Utility model content

The purpose of this utility model is to provide a plastic injection mold structure with dual cooling functions for the above-mentioned defects of the prior art.

In order to solve the above-mentioned defects of the prior art, the technical solution provided by the utility model is: a plastic injection mold structure with dual cooling functions, including a fixed mold and a moving mold, and the moving mold is set corresponding to one side of the fixed mold. There is a mold core installation groove, and a mold core that can be taken out from the mold core installation groove is installed in the mold core installation groove. The mold core is L-shaped. The back side of the mold core is provided with a secondary cooling waterway connected with the circulating cooling waterway, and the secondary cooling waterway is composed of a plurality of continuously connected U-shaped waterways. The front of the mold core is provided with a plastic model groove, and the plastic The middle of the model groove is small and the two ends are large. The water inlet of the secondary cooling waterway is connected to the water outlet of the circulating cooling waterway, and the water outlet of the secondary cooling waterway is connected to the water outlet pipe on the side of the movable mold.

As an improvement of the structure of the plastic injection mold with double cooling function of the present invention, the moving mold corresponds to the four corners of the fixed mold on the side of the uniform positioning column, and the upper end of the moving mold is provided with a lifting ring, so The four corners of the back side of the moving mold are all provided with a positioning pin.

As an improvement of the structure of the plastic injection mold with dual cooling functions of the present invention, a heating plate is provided on one side of the fixed mold corresponding to the moving mold, and a plurality of thermocouples are plugged into one side of the heating plate. The front of the heating plate is provided with a punch having the same shape as the groove of the plastic model and matching, and the front of the heating plate is provided with a positioning hole corresponding to the position of the positioning column.

As an improvement of the structure of the plastic injection mold with dual cooling functions of the present invention, a mounting plate is provided on the upper end of the fixed mold, and a plurality of through holes are arranged at intervals on the mounting plate.

As an improvement of the structure of the plastic injection mold with double cooling function of the present invention, a guide rod hole is provided on the fixed mold and the movable mold, and the fixed mold and the movable mold are connected through a guide rod, so that The movable mold is driven by a motor, and moves along the axial direction of the guide rod to gradually approach the fixed mold.

As an improvement of the structure of the plastic injection mold with dual cooling functions of the present invention, the front and rear sides of the fixed mold and the movable mold are respectively connected by a plurality of buckles for positioning.

Compared with the prior art, the utility model has the advantages that: the utility model adopts a double cooling water system, the cooling water system in the movable mold can take away the heat around the mold core, and the cooling water path on the back of the mold core can The core temperature control of the mold core has the function of adjusting the temperature balance of the mold core. The cooling water channel on the back of the mold core directly contacts the mold core, which can quickly take away the heat of the mold core, increase the speed of temperature adjustment, and improve the quality of product injection molding.

Description of drawings

The utility model and its beneficial technical effects are described in further detail below with regard to the accompanying drawings and specific embodiments, wherein:

Fig. 1 is a three-dimensional structure diagram of the utility model.

Fig. 2 is the rear view of the mold core of the present utility model.

Name of reference signs: 1, fixed mold 2, moving mold 3, mold core installation groove 4, mold core 5, circulating cooling waterway 6, secondary cooling waterway 7, U-shaped waterway 8, plastic model groove 9, water outlet pipe 10 , positioning column 11, suspension ring 12, positioning foot 13, heating plate 14, thermocouple 15, punch 16, positioning hole 17, mounting plate 18, through hole 19, guide rod hole.

detailed description

The utility model will be further described below according to the accompanying drawings and specific embodiments, but the implementation of the utility model is not limited thereto.

As shown in Figure 1 and Figure 2, a plastic injection mold structure with double cooling, including a fixed mold 1 and a movable mold 2, the movable mold 2 is provided with a mold core installation groove 3 on one side corresponding to the fixed mold, and the mold core is installed A mold core 4 that can be taken out from the mold core installation groove is installed in the groove 3. The mold core 4 is L-shaped. The moving mold 2 is provided with a circulating cooling water channel 5. A connected secondary cooling waterway 6, the secondary cooling waterway 6 is composed of a plurality of U-shaped waterways 7 connected continuously, the front of the mold core 4 is provided with a plastic model groove 8, the plastic model groove 8 is small in the middle and large at both ends, and the two ends are large. The water inlet of the secondary cooling waterway 6 is connected to the water outlet of the circulating cooling waterway 5, and the water outlet of the secondary cooling waterway 6 is connected to the water outlet pipe 9 on the side of the movable mold 2.

Preferably, the four corners of one side of the movable mold 2 corresponding to the fixed mold 1 have uniform positioning columns 10, the upper end of the movable mold 2 is provided with a suspension ring 11, and the four corners of the back side of the movable mold 2 are all provided with a positioning foot 12.

Preferably, one side of fixed mold 1 corresponding to movable mold 2 is provided with a heating plate 13, and one side of heating plate 13 is plugged with a plurality of thermocouples 14, and the front of heating plate 13 is provided with the same shape as plastic mold groove 8, And the matching punch 15 , the front of the heating plate 13 is provided with a positioning hole 16 corresponding to the position of the positioning column 10 .

Preferably, a mounting plate 17 is provided on the upper end of the fixed mold 1 , and a plurality of through holes 18 are provided at intervals on the mounting plate 17 .

Preferably, a guide rod hole 19 is provided on the fixed mold 1 and the movable mold 2, and the fixed mold 1 and the movable mold 2 are connected by the guide rod, and the movable mold 2 is driven by a motor, and gradually approaches the fixed mold along the axial movement of the guide rod. mold.

Preferably, the front and rear sides of the fixed mold 1 and the movable mold 2 are respectively connected by a plurality of buckles for positioning.

The utility model adopts a double cooling water system. The cooling water system in the movable mold can take away the heat around the mold core, and the cooling water path on the back of the mold core can control the core temperature of the mold core, and has the function of adjusting the temperature balance of the mold core. effect. The cooling water channel on the back of the mold core directly contacts the mold core, which can quickly take away the heat of the mold core, increase the speed of temperature adjustment, and improve the quality of product injection molding.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and structure of the present invention , replacement and modification, the scope of the present utility model is defined by the appended claims and their equivalent scope.

Claims (6)

1. A plastic injection mold structure with double cooling, comprising a fixed mold and a movable mold, characterized in that, a side of the movable mold corresponding to the fixed mold is provided with a mold core mounting groove, and the mold core mounting groove A mold core that can be taken out from the mold core installation groove is installed inside. The mold core is L-shaped. The moving mold is provided with a circulating cooling water circuit, and the back of the mold core is provided with a Secondary cooling waterway, the secondary cooling waterway is composed of a plurality of U-shaped waterways connected continuously, the front of the mold core is provided with a plastic model groove, the middle of the plastic model groove is small and the two ends are large, and the two The water inlet of the secondary cooling waterway is connected to the water outlet of the circulating cooling waterway, and the water outlet of the secondary cooling waterway is connected to the water outlet pipe on the side of the movable mold. 2. The plastic injection mold structure with double cooling according to claim 1, characterized in that, the four corners of the movable mold correspond to one side of the fixed mold with uniform positioning columns, and the upper end of the movable mold A suspension ring is provided, and a positioning foot is provided at the four corners of the back of the moving mold. 3. The plastic injection mold structure with double cooling according to claim 2, wherein a heating plate is provided on a side of the fixed mold corresponding to the movable mold, and a side of the heating plate is plugged with a A plurality of thermocouples, the front of the heating plate is provided with a convex mold that has the same shape as the groove of the plastic model and matches, and the front of the heating plate is provided with a positioning hole corresponding to the position of the positioning column. 4 . The plastic injection mold structure with double cooling according to claim 3 , wherein a mounting plate is provided on the upper end of the fixed mold, and a plurality of through holes are arranged at intervals on the mounting plate. 5. The plastic injection mold structure with double cooling according to claim 4, wherein a guide rod hole is arranged on the fixed mold and the movable mold, and the fixed mold and the movable mold are connected by a guide rod. The movable mold is driven by a motor and moves along the axial direction of the guide rod to gradually approach the fixed mold. 6 . The plastic injection mold structure with dual cooling functions according to claim 4 , wherein the front and rear sides of the fixed mold and the movable mold are respectively connected by a plurality of buckles for positioning. 7 .