CN207579024U - An injection mold with a leak-proof water cooling system - Google Patents

Abstract

The utility model relates to the field of injection molding equipment, in particular to an injection mold with a water leakage prevention cooling system, which comprises a movable mold and a fixed mold, wherein the fixed mold comprises a fixed mold bottom plate, a front backing plate and a mold core mounting plate, the movable mold comprises a movable mold bottom plate, a rear backing plate and a rear mold core mounting plate, the backing plate and the mold core mounting plate comprise water channels for cooling workpieces, the rear mold core mounting plate, the front backing plate, the rear backing plate and the mold core mounting plate are all provided with grooves, the fixed mold bottom plate is provided with a plurality of inserting rods, the rear mold core mounting plate, the front backing plate, the rear backing plate and the mold core mounting plate are all provided with foolproof holes, the bottom of the rear backing plate is provided with an exhaust groove, each groove of the utility model is provided with a rubber sealing ring position at the position for installing a water nozzle, the air exhaust grooves in the rear base plate reduce the resistance of the movable mold when the movable mold is matched with the fixed mold.

Description

An injection mold with a leak-proof water cooling system

technical field

The utility model relates to the field of injection molding equipment, in particular to an injection mold with an anti-leakage water cooling system.

Background technique

A plastic mold is a tool for producing plastic products; it is also a tool for giving plastic products a complete structure and precise dimensions. Injection molding is a processing method used in the mass production of certain complex-shaped parts. Specifically, it refers to injecting the heated and melted plastic into the mold cavity under high pressure from the injection molding machine, and after cooling and solidifying, a molded product is obtained.

After the product is injection molded, the product can be taken out after the product is completely cooled and formed. The product is generally cooled by water, and the water nozzle is used to take away the heat of the water circulation water of the injection mold. However, during the cooling process, there will be water leakage. , due to the regular shape of the movable mold, when the movable mold is closed with the fixed mold, the installation may be reversed, resulting in damage to the injection mold, and the resistance of the movable mold is relatively large when it is closed with the fixed mold.

Utility model content

The purpose of the utility model is to provide an injection mold with an anti-leakage cooling system for the deficiencies of the prior art.

In order to solve the above problems, the utility model provides the following technical solutions:

An injection mold with an anti-leakage water cooling system, including a movable mold and a fixed mold, the fixed mold includes a fixed mold bottom plate, a front backing plate and a mold core mounting plate, and the mold core mounting plate is arranged on the fixed mold bottom plate close to On one side of the movable mold, the front backing plate is arranged between the fixed mold backing plate and the mold kernel mounting plate. The movable mold is close to the side of the fixed mold, and the backing plate is arranged between the bottom plate of the movable mold and the rear mold core mounting plate. The rear mold core mounting plate, the backing plate and the mold core mounting plate all include water channels for cooling the workpiece. The mold core mounting plate, the front backing plate, the rear backing plate and the mold core mounting plate are all provided with grooves for placing water supply nozzles at the end of the corresponding water channel. post, the rear mold core mounting plate, the front backing plate, the rear backing plate and the mold core mounting plate are all provided with fool-proof holes that are plugged and matched with all the insertion rods one by one, and the bottom of the rear backing plate is provided with Several exhaust grooves are used to reduce the film closing resistance of the moving mold and the fixed mold.

Further, the rear mold core mounting plate is provided with several guide columns on the side close to the fixed mold, and the mold core mounting plate is provided with several guide holes that are plugged and matched with all the guide columns one by one. The axis of the guide column Parallel to the moving direction of the moving model.

Further, all the grooves are in communication with the water channel, all the grooves are T-pillar structures, and the diameter of the groove is larger than the diameter of the water channel.

Further, the bottom plate of the fixed mold is provided with a main flow channel, the movable mold can be attached to the fixed mold to form a cavity that can be used for injection molding workpieces, the end of the main flow channel close to the cavity is connected with several flow channels, and all the flow channels The channels are connected with the cavity.

Further, the distances between all the fool-proof holes are not equal.

Further, all the exhaust grooves communicate with corresponding fool-proof holes one by one.

Beneficial effects: the utility model is an injection mold with an anti-leakage water cooling system. Each groove is equipped with a rubber sealing ring at the position where the water nozzle is installed to improve the sealing performance of the water channel and prevent water leakage. When closing the mold with the fixed mold, it will not be installed backwards to avoid damage to the injection mold. The exhaust groove on the back plate reduces the resistance of the movable mold when closing the fixed mold.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present utility model;

Fig. 2 is the three-dimensional structure schematic diagram of fixed mold of the present utility model;

Fig. 3 is the schematic diagram of structural assembly of the utility model movable mold and mold core mounting plate;

Fig. 4 is the three-dimensional structure schematic diagram of the utility model movable mold;

Fig. 5 is the three-dimensional structure schematic diagram of backing plate of the utility model;

Explanation of reference signs: fixed mold 1, fixed mold bottom plate 1a, front backing plate 1b, mold core mounting plate 1c, movable mold 2, movable mold bottom plate 2a, rear backing plate 2b, rear mold core mounting plate 2c, groove 3, Insertion rod 4, fool-proof hole 5, exhaust groove 6, guide column 7, main channel 8.

Detailed ways

Below in conjunction with accompanying drawing and embodiment of description, the specific embodiment of the utility model is described in further detail:

Referring to Figures 1 to 5, an injection mold with a leak-proof water cooling system includes a movable mold 2 and a fixed mold 1, and the fixed mold 1 includes a fixed mold bottom plate 1a, a front backing plate 1b and a mold core installation plate 1c, the mold core mounting plate 1c is set on the side of the fixed mold bottom plate 1a close to the movable mold 2, the front backing plate 1b is set between the backing plate of the fixed mold 1 and the mold core mounting plate 1c, and the movable mold 2 includes There are movable mold bottom plate 2a, rear backing plate 2b and rear mold core mounting plate 2c, rear mold core mounting plate 2c is set on the side of movable mold 2 close to fixed mold 1, backing plate is set on movable mold bottom plate 2a and rear mold core installation Between the plates 2c, the rear mold core mounting plate 2c, the backing plate and the mold core mounting plate 1c all include water channels for cooling the workpiece, the rear mold core mounting plate 2c, the front backing plate 1b, the back backing plate 2b and the mold core The installation plate 1c is located at the end of the corresponding water channel and is provided with a groove 3 for placing the water supply nozzle. The fixed mold bottom plate 1a is provided with several insertion rods 4 on the side close to the movable mold 2. The rear mold core installation plate 2c, the front backing plate 1b, the back backing plate 2b and the mold core mounting plate 1c are all provided with fool-proof holes 5 which are plugged and matched with all the insertion rods 4 one by one, and the bottom of the back backing plate 2b is provided with several The exhaust groove 6 is used to reduce the resistance of the movable mold 2 and the fixed mold 1. Each groove 3 is equipped with a rubber sealing ring at the position where the water nozzle is installed to improve the sealing of the water channel and prevent water leakage. The fool-proof hole 5 prevents The movable mold 2 will not be reversed when it is closed with the fixed mold 1, so as to avoid damage to the injection mold, and the exhaust groove 6 on the backing plate 2b reduces the resistance of the movable mold 2 when it is closed with the fixed mold 1.

The rear mold core mounting plate 2c is provided with several guide columns 7 on the side close to the fixed mold 1, and the mold core mounting plate 1c is provided with several guide holes that are plugged and matched with all the guide columns 7 one by one. The axis of 7 is parallel to the direction in which the movable mold 2 travels, and the guide column 7 ensures that the movable mold 2 can fit accurately with the fixed mold 1 when it is clamped.

All the grooves 3 are connected with the water channel, all the grooves 3 are T-pillar structure and the diameter of the groove 3 is larger than the diameter of the water channel, and each groove 3 increases the position of the rubber sealing ring at the position where the faucet is installed , Improve the sealing of waterways and prevent water leakage.

The fixed mold bottom plate 1a is provided with a main channel 8, and the movable mold 2 can be bonded with the fixed mold 1 to form a cavity that can be used for injection molding workpieces. The end of the main channel 8 close to the cavity is connected with several runners. The above-mentioned shunt channels are all connected with the cavity, so that the raw materials can all enter the cavity and avoid air residue in the cavity.

The distances between all the fool-proof holes 5 are unequal, and the fool-proof holes 5 prevent the movable mold 2 from being reversed when closing the mold with the fixed mold 1, so as to avoid damage to the injection mold.

All the exhaust grooves 6 are in communication with the corresponding fool-proof holes 5 one by one, and the exhaust grooves 6 on the backing plate 2b reduce the resistance of the movable mold 2 when closing the mold with the fixed mold 1 .

The above is only a preferred embodiment of the present utility model, and does not make any limitation to the technical scope of the present utility model, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present utility model , all still belong to the scope of the technical solution of the present utility model.

Claims (6)

1. An injection mold with a leak-proof water cooling system is characterized in that: it includes a movable mold (2) and a fixed mold (1), and the fixed mold (1) includes a fixed mold base plate (1a), a front backing plate (1b) and mold core mounting plate (1c), described mold core mounting plate (1c) is arranged on the side of fixed mold base plate (1a) close to movable mold (2), and front backing plate (1b) is arranged on fixed mold ( 1) Between the backing plate and the mold core mounting plate (1c), the movable mold (2) includes a movable mold bottom plate (2a), a rear backing plate (2b) and a rear mold core mounting plate (2c), and the rear mold core The mounting plate (2c) is arranged on the side of the movable mold (2) close to the fixed mold (1), and the backing plate is arranged between the bottom plate of the movable mold (2a) and the rear mold core mounting plate (2c), and the rear mold core is installed The plate (2c), the backing plate and the mold core mounting plate (1c) all include water channels for cooling the workpiece, the rear mold core mounting plate (2c), the front backing plate (1b), the rear backing plate (2b) and the mold core installation The end of the plate (1c) located at the corresponding water channel is provided with a groove (3) for placing the water supply nozzle, and the side of the fixed mold bottom plate (1a) close to the movable mold (2) is provided with several inserting rods (4 ), the rear mold core mounting plate (2c), the front backing plate (1b), the rear backing plate (2b) and the mold core mounting plate (1c) are all provided with all plug-in rods (4) one by one The fool-proof hole (5), the bottom of the rear backing plate (2b) is provided with several exhaust grooves (6) for reducing the resistance of the moving mold (2) and the fixed mold (1) to form a film. 2. A kind of injection mold with anti-leakage water cooling system according to claim 1, characterized in that: the rear mold core mounting plate (2c) is provided with several guide columns ( 7), the mold core mounting plate (1c) is provided with a number of guide holes that are plugged and matched with all the guide columns (7) one by one, and the axis of the guide columns (7) is parallel to the direction in which the moving mold (2) travels. 3. An injection mold with an anti-leakage water cooling system according to claim 2, characterized in that: all the grooves (3) are connected to the water channel, and all the grooves (3) are T-pillar-shaped structure and the diameter of the groove (3) is greater than the diameter of the water channel. 4. a kind of injection mold with anti-leakage water cooling system according to claim 3, is characterized in that: described fixed mold bottom plate (1a) is provided with sprue (8), movable mold (2) can be with fixed mold ( 1) Fitting to form a mold cavity that can be used for injection molding workpieces. The end of the main flow channel (8) close to the mold cavity is connected with several runners, and all the runners are connected with the mold cavity. 5. An injection mold with a leak-proof water cooling system according to claim 4, characterized in that: the distances between all the fool-proof holes (5) are not equal. 6. An injection mold with a leak-proof water cooling system according to claim 1, characterized in that: all the exhaust grooves (6) communicate with the corresponding fool-proof holes (5) one by one.