CN220297732U - Auxiliary demoulding structure for injection and static removal - Google Patents

Abstract

The utility model discloses an injection molding static-removing auxiliary demoulding structure, which comprises a front mould and a rear mould, wherein a front mould groove is formed in the front mould, a rear mould bulge is formed in the rear mould, the rear mould is hollow, a mould air inlet is formed in the rear mould so as to charge air into the rear mould through the mould air inlet, and a gap is formed between the rear mould bulge and the rear mould so as to enable the air introduced into the rear mould to be discharged from the gap. According to the utility model, the air inlet of the die is utilized to charge air into the rear die, and the air is discharged from the gap between the rear die bulge and the rear die, so that static electricity on the bottle cap fixed on the rear die bulge is eliminated, the bottle cap can be effectively dropped from the rear die bulge, the product loss caused by incomplete demoulding of the bottle cap product in the injection molding process is avoided, and the product yield is improved.

Description

Auxiliary demoulding structure for injection and static removal

Technical Field

The utility model relates to the technical field of injection molds, in particular to an injection static-removing auxiliary demolding structure.

Background

Injection molding machines are also known as injection molding machines or injection molding machines. It is a main forming equipment for making thermoplastic plastics or thermosetting plastics into various shaped plastic products by using plastic forming mould. The device is divided into vertical type, horizontal type and full-electric type. The injection molding machine heats the plastic, applies high pressure to the molten plastic, and injects the molten plastic to fill the mold cavity.

The aluminum-plastic bottle cap is generally processed by an injection molding machine, and when the injection molding machine is used for processing, a certain electrostatic force exists between the mold and the molded bottle cap, so that part of the bottle cap cannot be effectively separated from the mold, the loss of raw materials is caused, and the normal operation of the injection molding machine is influenced to a certain extent.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide an injection-molding static-removing auxiliary demolding structure.

The technical scheme of the utility model is as follows:

the utility model provides an auxiliary demoulding structure of destatics of moulding plastics, includes front mould and rear mould, be provided with the front mould recess on the front mould, be provided with the rear mould arch on the rear mould, the inside cavity of rear mould is provided with the mould air inlet on the rear mould, so as to pass through the mould air inlet to charge gas in the rear mould, the rear mould arch with there is the clearance between the rear mould, so that let in the inside gas of rear mould and follow in the clearance is discharged.

Preferably, a plurality of first protrusions are arranged on the rear die protrusions, and a plurality of first grooves corresponding to the plurality of first protrusions are arranged in the front die protrusions.

Preferably, the first protrusions are uniformly arranged on the rear die protrusions, and the first grooves are uniformly arranged on the front die grooves.

Preferably, the front mold and the rear mold are disposed on a base.

Preferably, the front mold is fixed on a bracket, and the bracket is arranged on the base.

Preferably, one side of the rear mold is connected to a driving unit to drive the rear mold to approach or separate from the front mold by the driving unit.

Preferably, the driving unit is a cylinder.

Preferably, the die air inlet is provided at a side of the rear die.

Preferably, the plurality of die air inlets are provided, wherein each die air inlet is connected with an air inlet pipeline.

Preferably, the number of the die air inlets is four, wherein two die air inlets are connected with the first air inlet pipeline, and the other two die air inlets are connected with the second air inlet pipeline through pipelines.

Preferably, a guide plate is arranged on the rear die, and a guide plate groove corresponding to the guide plate is arranged on the front die.

Compared with the prior art, the utility model has the beneficial effects that:

according to the injection molding static-removing auxiliary demoulding structure, the air inlet of the mould is utilized to charge air into the rear mould, and the air is discharged from the gap between the rear mould bulge and the rear mould, so that static electricity on the bottle cap fixed on the rear mould bulge is eliminated, the bottle cap can be effectively dropped from the rear mould bulge, the product loss caused by incomplete demoulding of the bottle cap product in the injection molding process is avoided, and the product yield is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a structural diagram of an injection-molding static-removing auxiliary demolding structure according to an embodiment of the present utility model.

Fig. 2 is a side view of a rear mold of an injection-molding static-removing auxiliary mold release structure according to an embodiment of the present utility model.

Fig. 3 is a side view of a front mold of an injection-molding static-removing auxiliary mold release structure according to an embodiment of the present utility model.

Fig. 4 is an overall structure diagram of an injection-molding static-removing auxiliary demolding structure according to an embodiment of the present utility model.

In the figure: 1-front mould, 2-back mould, 3-front mould groove, 4-back mould bulge, 5-mould air inlet, 6-clearance, 7-first bulge, 8-first groove, 9-feeding mechanism, 10-base, 11-support, 12-drive unit, 13-air inlet pipeline, 14-anion generator, 15-first air inlet pipeline, 16-second air inlet pipeline, 17-baffle, 18-baffle groove.

Detailed Description

Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The utility model will now be further described with reference to the accompanying drawings.

The embodiment of the utility model provides an injection and static removal auxiliary demoulding structure, which comprises a front mould 1 and a rear mould 2, wherein a front mould groove 3 is arranged on the front mould 1, a rear mould bulge 4 is arranged on the rear mould 2, the interior of the rear mould 2 is hollow, a mould air inlet 5 is arranged on the rear mould 2 so as to charge air into the rear mould 2 through the mould air inlet 5, and a gap 6 is reserved between the rear mould bulge 4 and the rear mould 2, so that the air introduced into the rear mould 2 is discharged from the gap 6.

In the concrete implementation, the air inlet 5 of the die is connected with a fan through a pipeline so as to charge air into the rear die 2, the air can come out from the gap 6, a bottle cap of the product is generally formed on the rear die bulge 4, and the electrostatic force of the bottle cap can be eliminated by utilizing the air, so that the bottle cap can be effectively separated, and in order to ensure the static electricity removing effect, a negative ion generator can be arranged on the pipeline so as to charge negative ion air.

In a specific embodiment, as shown in fig. 2 and 3, the rear mold protrusion 4 is provided with a plurality of first protrusions 7, and the front mold protrusion 3 is provided with a plurality of first grooves 8 corresponding to the plurality of first protrusions 7.

In specific implementation, with reference to fig. 4, raw materials are generally sent into the front mold groove 3 through the feeding mechanism 9, the sizes of the first groove 8 and the first protrusion 7 are generally determined according to the size of the aluminum plastic bottle cap to be prepared, the aluminum plastic bottle cap is shaped through the first protrusion 7 and the first groove 8, after the shaping is completed, the aluminum plastic bottle cap can remain on the first protrusion 7, a certain electrostatic force exists, only the film removing operation of the rear mold 2 is needed, and the situation that part of the aluminum plastic bottle cap cannot be effectively separated from the first protrusion 7 exists, so that air or negative ion gas can be sent through the mold air inlet 5 to eliminate the electrostatic force between the aluminum plastic bottle cap and the first protrusion 7, and thus the demolding is assisted.

In a specific embodiment, as shown in fig. 2 and 3, the first protrusions are uniformly arranged on the rear mold protrusion, and the first grooves are uniformly arranged on the front mold groove.

In a specific embodiment, as shown in fig. 4, the front mold 1 and the rear mold 2 are disposed on a base 10.

Specifically, the front mold 1 is fixed on a bracket 11, and the bracket 11 is disposed on the base 10; one side of the rear mold 2 is connected to a driving unit 12 to drive the rear mold 2 to approach or separate from the front mold 1 by the driving unit 12, wherein the driving unit 12 is preferably an air cylinder.

In a specific implementation, raw materials are generally sent into the front mold groove 3 through the feeding mechanism 9, the rear mold 2 is driven by the driving unit 12 to move back and forth, so that the mold closing and demolding operation is realized, after the mold closing is finished, the mold air inlet 5 is utilized to charge air into the rear mold bulge 4, so that the electrostatic force between the aluminum-plastic bottle cap and the rear mold bulge 4 is eliminated, and the aluminum-plastic bottle cap can be effectively separated during the demolding operation.

In a specific embodiment, the mold air inlet 5 is provided at a side of the rear mold 2.

Illustratively, as shown in fig. 2, the mold air inlets 5 are provided in plurality, wherein each mold air inlet 5 is connected to an air inlet pipe 13, a negative ion generator 14 is provided on each air inlet pipe 13, wherein the air inlet pipe 13 is connected to a compressor, and compressed air passes through the negative ion generator 14 to generate negative ion gas to be fed into the rear mold 2 and discharged through the gap 6, so that electrostatic force of the bottle cap is eliminated, thereby enabling the bottle cap to be effectively detached.

As shown in fig. 2, for example, four mold air inlets are provided, two mold air inlets 5 are connected with a first air inlet pipeline 15, and the other two mold air inlets 5 are connected with a second air inlet pipeline 16 through pipelines, wherein the first air inlet pipeline 15 and the second air inlet pipeline 16 are provided with a negative ion generator 14. Wherein the first air inlet pipe 15 and the second air inlet pipe 16 are connected with a compressor, and compressed air is sent into the rear mold 2 through the gap 6 through the negative ion generator 14 to generate negative ion gas, so as to eliminate the electrostatic force of the bottle cap, thereby effectively separating the bottle cap.

In a specific embodiment, the rear mold 2 is provided with a baffle 17, the front mold 1 is provided with a baffle slot 18 corresponding to the baffle, and the design of the baffle slot 18 can make the baffle 17 not interfere with the normal mold closing operation. The baffle 17 can be L-shaped baffle, and when air comes out from the gap 6, the baffle can block part of the straight gas, so that the air flows back to the rear mould bulge 4, the air can be fully contacted with the aluminum-plastic bottle cap on the rear mould bulge 4, electrostatic force is eliminated, and the aluminum-plastic bottle cap is effectively fallen off.

The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description.

Claims (10)

1. The utility model provides an auxiliary demoulding structure of destatics of moulding plastics, its characterized in that includes front mould and back mould, be provided with the front mould recess on the front mould, be provided with the back mould arch on the back mould, the inside cavity of back mould is provided with the mould air inlet on the back mould, in order to pass through the mould air inlet to the back is downthehole to charge gas, the back mould arch with there is the clearance between the back mould, in order to make the inside gas of letting in the back mould follow discharge in the clearance.

2. The injection-molding static-removing auxiliary demolding structure according to claim 1, wherein a plurality of first protrusions are arranged on the rear mold protrusions, and a plurality of first grooves corresponding to the plurality of first protrusions are arranged in the front mold protrusions.

3. The injection-molding static-removing auxiliary demolding structure according to claim 2, wherein the first protrusions are uniformly arranged on the rear mold protrusions, and the first grooves are uniformly arranged on the front mold grooves.

4. The injection-molding static-removing auxiliary demolding structure according to claim 1, wherein the front mold and the rear mold are provided on a base.

5. The structure of claim 4, wherein the front mold is fixed to a bracket, and the bracket is disposed on the base.

6. The injection-molding static-removing auxiliary demolding structure according to claim 4, wherein one side of the rear mold is connected with a driving unit so as to drive the rear mold to be close to or far from the front mold through the driving unit.

7. The injection-molding static-removing auxiliary demolding structure according to claim 6, wherein the driving unit is a cylinder.

8. The injection-molding static-removing-assisting mold release structure according to any one of claims 1 to 7, wherein the mold air inlet is provided at a side face of the rear mold.

9. The injection-molding static-removing auxiliary demolding structure according to claim 8, wherein a plurality of mold air inlets are provided, wherein each mold air inlet is connected with an air inlet pipe.

10. The injection-molding static-removing auxiliary demoulding structure according to claim 1, wherein a deflector is arranged on the rear mould, and a deflector groove corresponding to the deflector is arranged on the front mould.