CN218749022U - A mold for processing plastic parts - Google Patents

Abstract

The utility model relates to the technical field of moulds, in particular to a mold for processing plastic parts, comprising a base, the top of the base is fixedly connected with a support seat, the four corners of the top of the base are fixedly connected with support rods, and the top of the support rod is fixedly connected There is a top plate, the top of the top plate is fixedly connected with a cylinder, the output end of the cylinder is fixedly connected with a slide plate, the bottom of the support base is fixedly connected with a cooling water tank, the top of the support base is fixedly connected with a lower mold, and the bottom of the slide plate is fixedly connected There is an upper mold, the top of the upper mold is fixedly connected with an injection pipe, the inner upper end of the lower mold is fixedly connected with a condensation pipe assembly, and the inner bottom end of the cooling water tank is centered and fixedly connected with a chiller. The utility model can improve the cooling molding speed of the plastic toy parts by setting the cooling water tank and the condensation pipe assembly, thereby improving the production efficiency of the mould.

Description

A mold for processing plastic parts

technical field

The utility model relates to the technical field of moulds, in particular to a mold for processing plastic parts.

Background technique

Plastic toys are a kind of toys, which are more suitable for young children than toys made of other materials. Its raw material is made of polymer synthetic resin as the main component infiltrated with various auxiliary materials or additives. It has plasticity and fluidity at a specific temperature and pressure. It can be molded into a certain shape and maintains its shape under certain conditions. . Injection molds are needed when making plastic toy parts. Injection molds are tools that are matched with injection molding machines in the processing of plastic products to give plastic products a complete configuration and precise dimensions.

Chinese utility model patent CN202021888773.5 discloses a mold for making plastic toy parts, including a worktable, a vertical plate, an upper mold and a lower mold. The vertical plate and the lower mold are integrally installed on the workbench, and the lower mold is formed with a mold groove , the bottom side of the upper mold is formed with a cavity column, the upper mold and the lower mold are combined to form a cavity, the runner is set in the vertical plate, the runner passes through the side wall of the mold groove to communicate with the cavity, and the side wall of the cavity column is equipped with exhaust steel , the upper mold is equipped with an exhaust pipe, one end of the exhaust steel is connected to the cavity, and the other end is connected to the exhaust pipe, and the outlet of the exhaust pipe extends out of the upper mold to connect to the air extractor; there is a fixed frame on the workbench, and the fixed frame has two The two side arms are respectively fixed on the left and right ends of the workbench. There is a chute on the fixed frame. The chute is slidably connected with a sliding seat. The sliding seat can be fixed by screws. An electric telescopic rod is fixed on the lower side of the sliding seat. It can be pressed down on the upper side of the upper mold. During the injection molding process of the utility model, the mold is fixed reliably, and the mold cavity is effectively exhausted.

However, the above-mentioned mold lacks a cooling mechanism after the injection molding is completed, so that the cooling and molding speed of the plastic toy parts is relatively slow, which affects the production efficiency.

Utility model content

In view of this, the utility model provides a mold for processing plastic parts. The main technical problem to be solved is: the lack of a cooling mechanism makes the cooling and molding speed of plastic toy parts slow, which affects production efficiency.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a mold for processing plastic parts, including a base, the top of the base is fixedly connected with a support seat, and the four corners of the top of the base are fixedly connected with support rods, and the support rods The top end is fixedly connected with a top plate, the top of the top plate is fixedly connected with a cylinder, the output end of the cylinder is fixedly connected with a slide plate, the bottom of the support base is fixedly connected with a cooling water tank, the top of the support base is fixedly connected with a lower mold, and the slide plate The bottom is fixedly connected with an upper mold, the top of the upper mold is fixedly connected with an injection pipe, the inner upper end of the lower mold is fixedly connected with a condensation pipe assembly, the inner bottom of the cooling water tank is fixedly connected with a chiller at the center, and the cooling water tank One side of the inner bottom end is fixedly connected with a water pump, one side of the cooling water tank is fixedly connected with an outlet pipe, and the other side of the cooling water tank is fixedly connected with a return pipe, and the inner top of the lower mold is provided with an injection cavity, and the lower mold The inner bottom end is fixedly connected with an electric telescopic rod, the output end of the electric telescopic rod is fixedly connected with a push plate, and the top of the push plate is fixedly connected with a thimble.

As a further description of the above technical solution: the support rod is arranged in a circular shape, and the slide plate is slidably connected to the support rod to facilitate the up and down movement of the slide plate, thereby facilitating the up and down movement of the upper mold.

As a further description of the above technical solution: there are four condensing pipe assemblies, and the condensing pipe assemblies are connected through pipes to facilitate heat dissipation of the mold through condensed water and increase the molding speed of plastic toy parts.

As a further description of the above technical solution: one end of the water outlet pipe is fixedly connected to the water pump, and the other end of the water outlet pipe is connected to the condensing pipe assembly, so as to facilitate the pumping of condensed water into the condensing pipe assembly.

As a further description of the above technical solution: one end of the return pipe is connected to the condensing pipe assembly, and the other end of the return pipe extends into the cooling water tank to facilitate the return of the water in the condensing pipe assembly to the cooling water tank.

As a further description of the above technical solution: the electric telescopic rod is provided with two groups, the push plate and the thimble are both slidingly connected with the lower mold, and the thimble is provided with several groups to facilitate the ejection of the molded plastic toy parts.

By means of the above technical solution, a mold for processing plastic parts of the utility model has at least the following beneficial effects:

Compared with the prior art, this plastic parts processing mold injects the condensed water in the cooling water tank into the condensing pipe assembly by starting the water pump and cooperating with the water outlet pipe, and the condensing pipe assembly can cool and form the plastic toy parts in the injection cavity , when the condenser tube assembly is filled with water, the heat-exchanged water will return from the return pipe to the cooling water tank, and at the same time start the chiller to continuously cool the water in the cooling water tank, so that the temperature of the water entering the condenser tube assembly is low. The cooling effect on the injection molding cavity is improved, and the cooling molding speed of the plastic toy parts can be increased, thereby improving the production efficiency of the mold.

Description of drawings

Fig. 1 is the front view of a kind of plastic component processing mold that the utility model proposes;

Fig. 2 is the front sectional view of a kind of plastic parts processing mold that the utility model proposes;

Fig. 3 is an enlarged view of A in Fig. 2;

Fig. 4 is a top sectional view of a lower mold in a mold for processing plastic parts proposed by the utility model.

illustration:

1. Base; 2. Support seat; 3. Support rod; 4. Top plate; 5. Cylinder; 6. Slider; 7. Cooling water tank; 8. Lower mold; 9. Injection pipe; Mold; 12. Chiller; 13. Water pump; 14. Outlet pipe; 15. Return pipe; 16. Injection cavity; 17. Electric telescopic rod; 18. Push plate; 19. Ejector.

Detailed ways

Referring to Figures 1-4, a mold for processing plastic parts provided by the utility model: includes a base 1, the top of the base 1 is fixedly connected with a support seat 2, the four corners of the top of the base 1 are fixedly connected with a support rod 3, and the top of the support rod 3 is fixedly connected There is a top plate 4, and the top of the top plate 4 is fixedly connected with a cylinder 5, which is convenient for mold clamping. The output end of the cylinder 5 is fixedly connected with a slide plate 6, and the bottom of the support seat 2 is fixedly connected with a cooling water tank 7, which can continuously cool the return water and improve heat dissipation As a result, the top of the support seat 2 is fixedly connected to the lower mold 8, the bottom of the slide plate 6 is fixedly connected to the upper mold 11, the top of the upper mold 11 is fixedly connected to the injection pipe 9, and the inner upper end of the lower mold 8 is fixedly connected to the condenser tube assembly 10, which is convenient for The plastic toy parts in the injection molding cavity 16 are cooled to increase its molding speed. The inner bottom of the cooling water tank 7 is fixedly connected with a chiller 12 in the center, and the inner bottom of the cooling water tank 7 is fixedly connected with a water pump 13 on one side, so that the condensed water is sent into In the condenser pipe assembly 10, one side of the cooling water tank 7 is fixedly connected with an outlet pipe 14, and the other side of the cooling water tank 7 is fixedly connected with a return pipe 15, so that the water after absorbing heat can flow back into the cooling water tank 7, and the inner top of the lower mold 8 is set There is an injection molding cavity 16, the bottom of the lower mold 8 is fixedly connected with an electric telescopic rod 17, the output end of the electric telescopic rod 17 is fixedly connected with a push plate 18, and the top of the push plate 18 is fixedly connected with a thimble 19, which is convenient for ejecting the formed plastic toy part.

Among them, the support rod 3 is arranged in a circular shape, and the slide plate 6 is slidably connected with the support rod 3, so that the slide plate 6 can move up and down conveniently, thereby facilitating the upper mold 11 to move up and down. Connected to each other, it is convenient to dissipate heat from the mold through condensed water, and improve the molding speed of plastic toy parts. One end of the water outlet pipe 14 is fixedly connected with the water pump 13, and the other end of the water outlet pipe 14 is connected with the condenser pipe assembly 10, so that the condensed water can be drawn into the condenser pipe conveniently. Component 10.

One end of the return pipe 15 communicates with the condensation pipe assembly 10, and the other end of the return pipe 15 extends into the cooling water tank 7 to facilitate the return of the water in the condensation pipe assembly 10 to the cooling water tank 7. The electric telescopic rod 17 is provided with two sets of push plates. 18 and thimble 19 are all slidably connected with lower mold 8, and thimble 19 is provided with several groups, facilitates the plastic toy parts of ejection molding.

Working principle: first start the cylinder 5 to drive the slide plate 6 to move downward, so that the upper mold 11 and the lower mold 8 are molded together, and the raw materials are injected into the processing mold of the plastic toy part through the injection pipe 9, so that the injection cavity 16 is filled with raw materials At this time, the water pump 13 is started, and the condensed water in the cooling water tank 7 is injected into the condensation pipe assembly 10 through the water outlet pipe 14, and the condensation pipe assembly 10 can cool and form the plastic toy parts in the injection molding cavity 16, which can improve the production efficiency of the mold , when the condenser pipe assembly 10 is filled with water, the water will flow back from the return pipe 15 to the cooling water tank 7, and at the same time start the chiller 12 to continuously cool the water in the cooling water tank 7, which improves the cooling effect of the injection molding cavity 16, After the plastic toy parts are cooled and molded, start the cylinder 5 to drive the upper mold 11 back to the initial position, start the electric telescopic rod 17 to drive the push plate 18 to move upwards, thereby driving the thimble 19 to move upwards, and the molded plastic toy parts in the injection cavity 16 can be moved upwards. Ejection facilitates the removal of molded parts.

Finally, it should be noted that: the above is only a preferred embodiment of the utility model, and is not intended to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art , it can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model, All should be included within the protection scope of the present utility model.

Claims (6)

1. The utility model provides a plastic part mold processing, includes base (1), its characterized in that: the top of the base (1) is fixedly connected with a supporting seat (2), four corners of the top of the base (1) are fixedly connected with supporting rods (3), the top end of each supporting rod (3) is fixedly connected with a top plate (4), the top of each top plate (4) is fixedly connected with a cylinder (5), the output end of each cylinder (5) is fixedly connected with a sliding plate (6), the bottom of each supporting seat (2) is fixedly connected with a cooling water tank (7), the top of each supporting seat (2) is fixedly connected with a lower die (8), the bottom of each sliding plate (6) is fixedly connected with an upper die (11), the top of each upper die (11) is fixedly connected with an injection molding pipeline (9), the upper end of the inside of each lower die (8) is fixedly connected with a condensation pipe assembly (10), the bottom of the inside of each cooling water tank (7) is fixedly connected with a water cooler (12) in the middle, one side of the bottom of the inside of each cooling water tank (7) is fixedly connected with a water pump (13), one side of each cooling water tank (7) is fixedly connected with a water outlet pipeline (14), the other side of each cooling water tank (7) is fixedly connected with a backflow pipeline (15), the top of the inside of each lower die (8) is fixedly connected with an injection molding cavity (16), the top of each lower die (8) is fixedly connected with an electric push plate (17), the top of the push plate (18) is fixedly connected with an ejector pin (19).

2. The plastic part-processing mold according to claim 1, wherein: the supporting rods (3) are arranged in a circular shape, and the sliding plate (6) is connected with the supporting rods (3) in a sliding mode.

3. The plastic part-processing mold according to claim 1, wherein: the number of the condensation pipe assemblies (10) is four, and the condensation pipe assemblies (10) are communicated through pipelines.

4. The plastic part-processing mold according to claim 1, wherein: one end of the water outlet pipeline (14) is fixedly connected with the water pump (13), and the other end of the water outlet pipeline (14) is communicated with the condensing pipe assembly (10).

5. The plastic part-processing mold according to claim 1, wherein: one end of the return pipeline (15) is communicated with the condensation pipe component (10), and the other end of the return pipeline (15) extends into the cooling water tank (7).

6. The plastic part processing mold as defined in claim 1, wherein: the electric telescopic rod (17) is provided with two groups, the push plate (18) and the ejector pin (19) are both connected with the lower die (8) in a sliding mode, and the ejector pin (19) is provided with a plurality of groups.

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