CN218985664U - Plastic injection molding machine capable of cooling inside - Google Patents

Abstract

The utility model discloses a plastic injection molding machine capable of cooling the inside, which comprises a molding machine body, wherein the left end of the molding machine body is fixedly connected with a fixed mold, the left side of the fixed mold is provided with a movable mold, the inside of the movable mold is provided with a circulating pipe, a circulating water pump is fixedly arranged on the circulating pipe, one end of the circulating pipe is communicated with a cooling liquid tank, the other end of the circulating pipe extends to the upper side of the cooling liquid tank, stirring blades are arranged in the cooling liquid tank, and a plurality of stirring blades are arranged. Be provided with coolant tank and circulating water pump, promote the direction motion of movable mould to the cover half through outside actuating mechanism, make movable mould and cover half laminating, make the make-up machine body inject molten plastics to mould inslot portion, after the injection is accomplished, start circulating water pump and take out coolant tank inside coolant liquid through the circulating pipe that sets up, the inside of coolant liquid flow movable mould is convenient for cool off the plastics of movable mould and cover half inside, has accelerated cooling rate, has improved the shaping efficiency of plastics.

Description

A plastic injection molding machine capable of cooling the inside

technical field

The utility model relates to the technical field of plastic injection molding machines, in particular to a plastic injection molding machine capable of cooling the inside.

Background technique

Plastic molding processing equipment is developed on the basis of rubber machinery and metal die-casting machines. Since the emergence of polymer injection molding technology and simple molding equipment in the 1870s, as an industry, it did not achieve rapid development until the 1930s. Plastic molding processing equipment was gradually commercialized, and injection molding and extrusion molding have become industrialized. processing method. Blow molding is the third largest plastic molding method after injection molding and extrusion, and it is also the fastest growing plastic molding method.

When the existing plastic injection molding machine is in use, after the fixed mold and the movable mold are closed, the natural cooling speed of the plastic in the mold is relatively slow, which easily affects the production quality of the plastic product.

In view of the above problems, it is urgent to carry out innovative design on the basis of the original plastic injection molding machine.

Utility model content

The purpose of this utility model is to provide a plastic injection molding machine that can cool the inside, to solve the problem that the existing plastic injection molding machine proposed in the above background technology is in use. The natural cooling speed of high-quality plastics is relatively slow, and it is easy to affect the production quality of plastic products.

In order to achieve the above purpose, the utility model provides the following technical solution: a plastic injection molding machine capable of cooling the inside, including:

The main body of the forming machine, the left end is fixedly connected with a fixed mold, the left side of the fixed mold is provided with a movable mold, and a circulation pipe is arranged inside the movable mold;

The circulating water pump is fixedly installed on the circulation pipe, one end of the circulation pipe is connected to the coolant tank, and the other end of the circulation pipe extends above the coolant tank;

Stirring blades are arranged inside the coolant tank, and there are several stirring blades, hollow rods are fixedly connected between the stirring blades, and the left and right ends of the hollow rods are rotatably connected to the coolant tank;

There are several driving blades, the driving blades are fixedly installed on the right side of the hollow rod, and the driving blades are located directly below the circulation pipe;

The heat conduction sheet is fixedly installed on the outside of the hollow rod, the left and right ends of the hollow rod are respectively inserted with fixed pipe two and fixed pipe one, the upper end of fixed pipe one is provided with an air pump, the upper end of the air pump is provided with a cooler, the air pump and The cooler is fixedly installed at the right end of the coolant tank;

The push plate is arranged inside the fixed mold, and the right end of the push plate is fixedly connected with a connecting rod one, and the push plate is attached to the fixed mold, and the connecting rod one is slidably connected with the fixed mold.

Preferably, a movable plate is provided at the right end of the connecting rod, and a through groove is opened corresponding to the movable plate at the lower end of the fixed mold.

Preferably, a spring is sheathed on the first connecting rod, and the left and right ends of the spring are respectively fixedly connected to the fixed mold and the movable plate.

Preferably, a chute is provided inside the fixed mold corresponding to the top of the movable plate, and the movable plate is slidably connected to the fixed mold.

Preferably, a turntable is provided on the right side of the movable plate, the turntable is rotatably connected to the fixed mold, and the lower end of the turntable is fixedly connected to a lance.

Preferably, an eccentric rod is provided on the lower side of the front end of the turntable, the second connecting rod is rotatably connected to the eccentric rod, the left end of the second connecting rod is rotatably connected to a fixed rod, and the upper end of the fixed rod is fixedly connected to the movable mold.

Compared with the prior art, the beneficial effects of the utility model are: the plastic injection molding machine capable of cooling the inside;

1. Equipped with a cooling liquid tank and a circulating water pump, the external drive mechanism drives the movable mold to move towards the fixed mold, so that the movable mold and the fixed mold fit together, and the molding machine body injects molten plastic into the mold groove. After the injection is completed, Start the circulating water pump to pump out the coolant inside the coolant tank through the set circulation pipe, and the coolant flows through the inside of the movable mold, which facilitates cooling of the plastic inside the movable mold and the fixed mold, accelerates the cooling speed, and improves the molding efficiency of the plastic ;

2. Equipped with a stirring blade and a cooler, the cooled coolant flows back to the inside of the coolant tank, and through the set driving blade, the cooling liquid pushes the driving blade and the hollow rod to rotate, and the hollow rod drives the stirring blade to rotate. It is convenient to stir the coolant inside the coolant tank. At the same time, the pneumatic air pump and the cooler blow the cold air to the inside of the hollow rod through the fixed tube. The second pipe blows the cold air to the inside of the coolant tank again, which accelerates the cooling speed of the coolant and improves the use efficiency of the coolant;

3. There is a push plate. When the movable mold moves to the fixed mold, the eccentric rod, the turntable and the ram are pushed to rotate half a circle through the set fixed rod and the connecting rod. When the movable mold is far away from the fixed mold, the set ram Push the movable plate to move to the left, and the movable plate drives the connecting rod 1 and the push plate to move to the left, so that the formed plastic products inside the fixed mold can be easily pushed out to facilitate discharging.

Description of drawings

Fig. 1 is a schematic view of the overall front view structure of the utility model;

Fig. 2 is fixed mold and movable mold structural representation in the utility model;

Fig. 3 is the structural representation of coolant tank in the utility model;

Fig. 4 is a schematic diagram of the structure at A in Fig. 2 of the present utility model.

In the figure: 1. Forming machine body; 2. Fixed mold; 3. Moving mold; 4. Circulating pipe; 5. Circulating water pump; 6. Coolant tank; 7. Stirring blade; 8. Hollow rod; 9. Driving blade; 10, heat conducting sheet; 11, fixed pipe one; 12, air pump; 13, cooler; 14, fixed pipe two; 15, push plate; 16, connecting rod one; 17, movable plate; 18, spring; 19, chute ; 20, rotating disk; 21, lance; 22, eccentric rod; 23, connecting rod two;

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figure 1-4, the utility model provides a technical solution: a plastic injection molding machine capable of cooling the inside, including:

The molding machine body 1 is fixedly connected with the fixed mold 2 at the left end, the movable mold 3 is arranged on the left side of the fixed mold 2, and the circulation pipe 4 is arranged inside the movable mold 3;

The circulating water pump 5 is fixedly installed on the circulating pipe 4, one end of the circulating pipe 4 is connected to the coolant tank 6, and the other end of the circulating pipe 4 extends above the coolant tank 6;

The stirring blade 7 is arranged inside the coolant tank 6. There are several stirring blades 7, and the hollow rod 8 is fixedly connected between the stirring blades 7, and the left and right ends of the hollow rod 8 are rotationally connected with the coolant tank 6;

There are several driving blades 9, the driving blades 9 are fixedly installed on the right side of the hollow rod 8, and the driving blades 9 are located directly below the circulation pipe 4;

The heat conduction sheet 10 is fixedly installed on the outside of the hollow rod 8, and the left and right ends of the hollow rod 8 are respectively inserted with a fixed pipe 2 14 and a fixed pipe 11. The upper end of the fixed pipe 11 is provided with an air pump 12, and the upper end of the air pump 12 is provided with a cooling The device 13, the air pump 12 and the cooler 13 are fixedly installed on the right end of the coolant tank 6. When in use, the external drive mechanism pushes the movable mold 3 to move in the direction of the fixed mold 2, so that the movable mold 3 and the fixed mold 2 are attached, and the molding machine The main body 1 injects molten plastic into the mold groove. After the injection is completed, start the circulating water pump 5 to pump out the coolant inside the coolant tank 6 through the set circulation pipe 4. The coolant flows through the inside of the movable mold 3, which is convenient for moving the mold 3. Cooling with the plastic inside the fixed mold 2 accelerates the cooling speed and improves the molding efficiency of the plastic. The cooled coolant flows back to the inside of the coolant tank 6 and passes through the set driving blades 9 to drive the coolant. The blade 9 and the hollow rod 8 rotate, and the hollow rod 8 drives the stirring blade 7 to rotate, which is convenient for stirring the coolant inside the coolant tank 6. At the same time, the pneumatic air pump 12 and the cooler 13 blow the cold air to the Inside the hollow rod 8, the heat conducting fins 10 provided are convenient to take out the heat inside the cooling liquid, and then the fixed pipe 14 blows the cold air to the inside of the cooling liquid tank 6 again, which accelerates the cooling speed of the cooling liquid and improves the temperature of the cooling liquid. Use efficiency.

Push plate 15 is arranged on the inside of fixed mold 2, and the right end of push plate 15 is fixedly connected with connecting rod one 16, and push plate 15 is fitted with fixed mold 2, and connecting rod one 16 is slidingly connected with fixed mold 2, and the right end of connecting rod one 16 is provided with There is a movable plate 17, and the lower end of the fixed mold 2 is provided with a through groove corresponding to the movable plate 17, and a spring 18 is set on the connecting rod 16. The movable plate 17 upper end is provided with a chute 19, the movable plate 17 is slidably connected to the fixed mold 2, the right side of the movable plate 17 is provided with a turntable 20, the turntable 20 is rotatably connected to the fixed mold 2, the lower end of the turntable 20 is fixedly connected with a ram 21, and the front end of the turntable 20 The lower side is provided with an eccentric rod 22, the eccentric rod 22 is rotatably connected with the connecting rod 2 23, the left end of the connecting rod 23 is rotatably connected with the fixed rod 24, and the upper end of the fixed rod 24 is fixedly connected with the movable mold 3, and the movable mold 3 moves toward the fixed mold 2 During the process, the fixed rod 24 and connecting rod 23 are used to push the eccentric rod 22, the turntable 20 and the ram 21 to rotate for half a circle. Motion, movable plate 17 drives connecting rod one 16 and push plate 15 to move to the left, is convenient to the plastic product of the molding inside fixed mold 2 is released, is convenient to discharging.

Working principle: The external drive mechanism pushes the movable mold 3 to move towards the fixed mold 2, so that the movable mold 3 and the fixed mold 2 fit together. The molding machine body 1 injects molten plastic into the mold groove. After the injection is completed, the circulating water pump 5 is started. The cooling liquid inside the cooling liquid tank 6 is drawn out through the circulation pipe 4 provided, and the cooling liquid flows through the inside of the movable mold 3, which facilitates the cooling of the plastic inside the movable mold 3 and the fixed mold 2, accelerates the cooling speed, and improves the durability of the plastic. Molding efficiency;

The cooled coolant flows back to the inside of the coolant tank 6, and through the set drive blade 9, the coolant pushes the drive blade 9 and the hollow rod 8 to rotate, and the hollow rod 8 drives the stirring blade 7 to rotate, which is convenient for cooling the coolant tank. 6, the cooling liquid inside is stirred, at the same time, the pneumatic air pump 12 and the cooler 13 blow the cold air to the inside of the hollow rod 8 through the fixed pipe 11, and the heat conduction sheet 10 is provided to facilitate the heat inside the cooling liquid, and then the The fixed pipe two 14 blows the cold air to the inside of the coolant tank 6 again, which accelerates the cooling speed of the coolant and improves the use efficiency of the coolant;

During the movement of the movable mold 3 to the fixed mold 2, the fixed rod 24 and the connecting rod 23 push the eccentric rod 22, the turntable 20 and the ram 21 to rotate half a circle. When the movable mold 3 moves away from the fixed mold 2, the set ram Rod 21 promotes movable plate 17 to move to the left, and movable plate 17 drives connecting rod one 16 and push plate 15 to move to the left, is convenient to the plastic product of the molding inside fixed mold 2 is released, is convenient to discharging.

The content not described in detail in this specification belongs to the prior art known to those skilled in the art.

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 spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. A plastic injection molding machine capable of cooling the inside, comprising:

the forming machine comprises a forming machine body, wherein the left end of the forming machine body is fixedly connected with a fixed die, a movable die is arranged on the left side of the fixed die, and a circulating pipe is arranged in the movable die;

the circulating water pump is fixedly arranged on the circulating pipe, one end of the circulating pipe is communicated with the cooling liquid tank, and the other end of the circulating pipe extends to the upper side of the cooling liquid tank;

the stirring blades are arranged in the cooling liquid tank, a plurality of stirring blades are arranged, hollow rods are fixedly connected between the stirring blades, and the left end and the right end of each hollow rod are rotationally connected with the cooling liquid tank;

the driving blades are fixedly arranged on the right side of the hollow rod and are positioned right below the circulating pipe;

the heat conducting fin is fixedly arranged on the outer side of the hollow rod, a second fixing pipe and a first fixing pipe are respectively inserted into the left end and the right end of the hollow rod, an air pump is arranged at the upper end of the first fixing pipe, a cooler is arranged at the upper end of the air pump, and the air pump and the cooler are fixedly arranged at the right end of the cooling liquid tank;

the push plate is arranged inside the fixed die, the right end of the push plate is fixedly connected with a first connecting rod, the push plate is attached to the fixed die, and the first connecting rod is in sliding connection with the fixed die.

2. The plastic injection molding machine capable of cooling the inside according to claim 1, wherein a movable plate is arranged at the right end of the connecting rod, and a through groove is formed at the lower end of the fixed mold corresponding to the movable plate.

3. The plastic injection molding machine capable of cooling the inside according to claim 1, wherein a spring is sleeved on the first connecting rod, and the left end and the right end of the spring are respectively fixedly connected with the fixed die and the movable plate.

4. The plastic injection molding machine capable of cooling the inside according to claim 1, wherein a chute is formed in the inside of the fixed mold corresponding to the upper end of the movable plate, and the movable plate is slidably connected with the fixed mold.

5. The plastic injection molding machine capable of cooling the inside according to claim 2, wherein a turntable is arranged on the right side of the movable plate, the turntable is rotationally connected with the fixed mold, and the lower end of the turntable is fixedly connected with a striker.

6. The plastic injection molding machine capable of cooling the inside according to claim 5, wherein an eccentric rod is arranged at the lower side of the front end of the turntable, a second connecting rod is rotatably connected to the eccentric rod, a fixed rod is rotatably connected to the left end of the second connecting rod, and the upper end of the fixed rod is fixedly connected to the movable mold.

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