CN211640839U - Plastic injection molding die - Google Patents

Abstract

The utility model discloses a plastics injection moulding mould relates to the injection mold field, accomplishes the operation back of moulding plastics to current injection mold, and the problem of injection moulding product cooling time of a specified duration and drawing of patterns difficulty now proposes following scheme, and it includes the liquid reserve tank, the top of liquid reserve tank is connected with the cooling tank of uncovered setting, just the both sides of liquid reserve tank with it is provided with feed liquor pipe and back flow to communicate respectively between the both sides of cooling tank, there is driving motor on the top of liquid reserve tank through the mounting screw, just driving motor's output shaft is vertical to be set up, and extends to the internal connection of cooling tank and have the dwang, the inside of cooling tank is provided with the lower mould and goes up the mould. The utility model discloses novel structure, and the device can effectually carry out cooling treatment operation to the inside product of injection mold, shortens its cooling time, improves injection moulding product's machining efficiency, and the device also can assist simultaneously and carry out the product drawing of patterns and handle, guarantees that the aesthetic measure of product is not impaired, suitable popularization.

Description

Plastic Injection Molding Mould

technical field

The utility model relates to the field of injection moulds, in particular to a plastic injection moulding mould.

Background technique

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

After the injection mold completes the injection of raw materials, the injection molding product cannot be effectively cooled, resulting in a long cooling time, and after cooling, the injection molding product will be difficult to demould, thus affecting the aesthetics and processing efficiency of the injection molding product. , therefore, in order to solve such problems, we propose an injection molding mold.

SUMMARY OF THE INVENTION

The plastic injection moulding mould proposed by the utility model solves the problems of long cooling time and difficulty in demolding of the injection moulded product after the injection moulding operation of the existing injection moulding mould is completed.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

The plastic injection molding mold includes a liquid storage tank, the top of the liquid storage tank is connected with an open cooling tank, and the two sides of the liquid storage tank and the two sides of the cooling tank are connected with each other and are provided with inlets. The liquid pipe and the return pipe, the top of the liquid storage tank is installed with a drive motor through screws, and the output shaft of the drive motor is arranged vertically upward, and a rotating rod is connected to the interior of the cooling tank. A lower mold and an upper mold are arranged inside, and the inner wall of the lower mold is slidably connected with a stripper plate, the bottom end of the stripper plate is connected with a sleeve, and the end of the rotating rod extends to the inner connection of the sleeve There is a threaded ring, the circumferential side wall of the rotating rod is fixedly sleeved with an impeller, and the impeller is located below the lower mold, the two sides of the lower mold are connected with symmetrically arranged connecting rods, and the ends of the connecting rods are A sliding block is connected to the upper part of the cooling box, and symmetrically arranged sliding grooves are arranged on the inner walls of the cooling box along its height direction, and the sliding grooves are slidably connected with the sliding block, and the inner walls of the bottom end of the sliding grooves are connected with A spring is arranged vertically, and the top end of the spring is connected with the bottom end of the sliding block, and the two side walls of the cooling box are slidably connected with symmetrically arranged pin rods.

Preferably, the bottom end of the upper mold is provided with a clamping block, the top end of the lower mold is provided with a clamping groove, and the clamping groove is adapted to the clamping block, and an injection hole is provided through the top of the upper mold.

Preferably, the upper section of the inner wall of the sleeve is arranged in a smooth manner, and the lower section of the inner wall of the sleeve is provided with threads adapted to the threaded ring.

Preferably, both ends of the liquid inlet pipe and the return pipe located inside the liquid storage tank are connected with a micro liquid pump.

Preferably, a cooler is installed inside the liquid storage tank.

The beneficial effects of the utility model are: through the driving motor, the rotating rod, the liquid storage tank, the liquid inlet pipe, the cooling box, the pin rod, the connecting rod, the clamping block, the upper mold, the stripping plate, the lower mold, the return pipe, the impeller, the thread The arrangement of the ring, sleeve, chute, slider, and spring enables the device to effectively cool the product inside the injection mold, shorten its cooling time, and improve the processing efficiency of the injection molded product. At the same time, the device can also assist The product is demolded to ensure that the aesthetics of the product is not damaged.

In summary, the device can effectively cool the product inside the injection mold, shorten the cooling time, and improve the processing efficiency of the injection molded product. At the same time, the device can also assist in the demoulding treatment of the product to ensure the aesthetics of the product. Not damaged, suitable for promotion.

Description of drawings

Figure 1 is a schematic structural diagram of the utility model.

FIG. 2 is an enlarged view of A in FIG. 1 .

FIG. 3 is an enlarged view of B in FIG. 1 .

FIG. 4 is a schematic structural diagram of the threaded ring of the present invention after contacting with the inner threaded wall of the sleeve.

Labels in the figure: 1 driving motor, 2 rotating rod, 3 liquid storage tank, 4 liquid inlet pipe, 5 cooling tank, 6 pin rod, 7 connecting rod, 8 clamping block, 9 upper mold, 10 stripping plate, 11 lower mold, 12 return pipe, 13 impeller, 14 threaded ring, 15 sleeve, 16 chute, 17 slider, 18 spring.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example.

1-4, the plastic injection molding mold includes a liquid storage tank 3, the top of the liquid storage tank 3 is connected with an open cooling tank 5, and between the two sides of the liquid storage tank 3 and the two sides of the cooling tank 5 The liquid inlet pipe 4 and the return pipe 12 are respectively communicated with each other. The top end of the liquid storage tank 3 is installed with the driving motor 1 through screws, and the output shaft of the driving motor 1 is arranged vertically upward, and extends to the interior of the cooling box 5. Rotate the rod 2, a lower mold 11 and an upper mold 9 are arranged inside the cooling box 5, and the inner wall of the lower mold 11 is slidably connected with a stripper plate 10, the bottom end of the stripper plate 10 is connected with a sleeve 15, and the end of the rotation rod 2 The threaded ring 14 is connected to the inner part of the sleeve 15, the circumferential side wall of the rotating rod 2 is fixedly sleeved with an impeller 13, and the impeller 13 is located below the lower mold 11, and the two sides of the lower mold 11 are connected with symmetrically arranged connections rod 7, and the end of the connecting rod 7 is connected with a slider 17, the inner walls on both sides of the cooling box 5 are provided with symmetrically arranged chute 16 along its height direction, and the chute 16 is slidably connected with the slider 17, and the chute 16 The inner wall of the bottom end of the cooling box is connected with a vertically arranged spring 18, and the top end of the spring 18 is connected with the bottom end of the slider 17. The two side walls of the cooling box 5 are slidably connected with symmetrically arranged pin rods 6. The bottom end is provided with a clamping block 8, the top end of the lower die 11 is provided with a clamping groove, and the clamping groove is adapted to the clamping block 8, and the top end of the upper die 9 is provided with an injection hole, and the liquid inlet pipe 4 and the return pipe 12 are located in the storage tank. One end inside the liquid tank 3 is connected with a micro liquid pump, and the liquid pump connected with the liquid inlet pipe 4 is used to pump the cooled liquid inside the liquid storage tank 3 into the cooling tank 5 to cool the injection mold product. The liquid pump connected to the return pipe 12 is used to pump the liquid after the heat transfer in the cooling tank 5 is completed into the liquid storage tank 3 for condensation treatment. 3. The liquid inside is cooled and cooled. When cooling the product in the injection mold, the drive motor 1 will drive the impeller 13 to rotate at the same time, so that the liquid pumped by the impeller into the cooling box 5 can evenly cool the injection mold. Cooling treatment.

The upper section of the inner wall of the sleeve 15 is arranged in a smooth manner, and the lower section of the inner wall of the sleeve 15 is provided with threads that are adapted to the threaded ring 14. After the cooling treatment is completed, the injection molded product needs to be taken out from the injection mold. In order to facilitate demolding, First, pull out the pin 6 from the side wall of the cooling box 5, then the spring 18 will push the slider 17 to slide upward in the chute 16 until the slider 17 contacts the inner wall of the top end of the chute 16, at which time the threaded ring 14 enters the sleeve The inner wall of the barrel 15 is provided with the position of the thread, and the rotation of the driving motor 1 drives the rotation rod 2 and the threaded ring 14 to rotate, so that the thread on the threaded ring 14 cooperates with the thread on the inner wall of the sleeve 15, so that the sleeve 15 moves upward, thereby Push the release plate 10 to move upward, so that the release plate 10 can push the product in the injection mold to facilitate the release process.

The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (4)

1. Plastics injection moulding mould, including liquid reserve tank (3), its characterized in that, the top of liquid reserve tank (3) is connected with cooling tank (5) of uncovered setting, just the both sides of liquid reserve tank (3) with feed liquor pipe (4) and back flow (12) are provided with in the intercommunication respectively between the both sides of cooling tank (5), there is driving motor (1) on the top of liquid reserve tank (3) through the screw mounting, just the output shaft of driving motor (1) is vertical sets up, and extends to the internal connection of cooling tank (5) and have dwang (2), the inside of cooling tank (5) is provided with lower mould (11) and last mould (9), just the inner wall sliding connection of lower mould (11) has stripper plate (10), the bottom of stripper plate (10) is connected with sleeve (15), just the internal connection that the tip of dwang (2) extended to sleeve (15) has threaded ring (14), the impeller (13) is fixedly sleeved on the side wall of the circumference of the rotating rod (2), the impeller (13) is located below the lower die (11), two sides of the lower die (11) are connected with connecting rods (7) which are symmetrically arranged, the end portions of the connecting rods (7) are connected with sliding blocks (17), sliding grooves (16) which are symmetrically arranged are formed in the inner walls of two sides of the cooling box (5) along the height direction of the cooling box, the sliding grooves (16) are connected with the sliding blocks (17) in a sliding mode, the inner wall of the bottom end of the sliding groove (16) is connected with springs (18) which are vertically arranged, the top ends of the springs (18) are connected with the bottom end of the sliding blocks (17), and two side walls of the cooling box (5) are connected with symmetrically arranged pin rods (;

the bottom of going up mould (9) is provided with fixture block (8), the top of lower mould (11) is provided with the draw-in groove, and draw-in groove and fixture block (8) adaptation, and the top of going up mould (9) link up and be provided with the injection hole.

2. A plastic injection mould according to claim 1, characterized in that the upper section of the inner wall of the sleeve (15) is rounded and the lower section of the inner wall of the sleeve (15) is provided with a thread adapted to the threaded ring (14).

3. A plastic injection-moulding mould according to claim 1, characterized in that a micro-liquid pump is connected to both the inlet pipe (4) and the return pipe (12) at the end inside the reservoir (3).

4. A plastic injection-molding mould according to claim 1, characterized in that a cooler is mounted inside the reservoir (3).

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