CN214188174U - Power line box shell injection mold - Google Patents

Abstract

The utility model discloses a power line box shell injection mold, comprising a lower die, be provided with the shell die cavity on the lower mould, the below that the lower mould is located the shell die cavity is provided with the cooling chamber, the both sides in cooling chamber communicate respectively has inlet tube and outlet pipe, the outside of outlet pipe is provided with the valve, it has the liftout device to peg graft through the connecting hole in the shell die cavity, the activity of lower mould top is provided with the mould, the up end of going up the mould passes through upper die base fixedly connected with power shaft, the lower terminal surface middle part of going up the mould is provided with the mouth of moulding plastics, the last port of moulding plastics the mouth is through advancing mould plastics pipe and outside device intercommunication of moulding plastics, the utility model relates to a power line box processing technology field. This power line box shell injection mold has solved the low and high problem of ejection of compact cost of current power line box shell injection mold radiating efficiency.

Description

Power line box shell injection mold

Technical Field

The utility model relates to a power line box processing technology field specifically is a power line box shell injection mold.

Background

In daily life and production process, in order to facilitate flexible electrification, a power supply line box is required to be used for circuit connection. In order to ensure the safety of the power line box, a shell made of plastic is often adopted, so that the power line box plays an insulating role. In order to improve the production efficiency of the shell, the shell of the power line box is usually manufactured in an injection molding mode.

The existing injection mold of the shell of the power line box adopts natural heat dissipation, so that the heat dissipation effect is not ideal, and the production efficiency of the shell is influenced; and meanwhile, an additional material returning device is required to automatically return materials, so that the equipment cost is increased.

Disclosure of Invention

Technical problem to be solved

Not enough to prior art, the utility model provides a power line box shell injection mold has solved the low and ejection of compact problem with high costs of current power line box shell injection mold radiating efficiency.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a power line box shell injection mold, includes the lower mould, be provided with the shell die cavity on the lower mould, the below that the lower mould is located the shell die cavity is provided with the cooling chamber, the both sides in cooling chamber communicate respectively has inlet tube and outlet pipe, the outside of outlet pipe is provided with the valve, it has liftout device to peg graft through the connecting hole in the shell die cavity, the activity of lower mould top is provided with the mould, the up end of going up the mould is through last die holder fixedly connected with power shaft, the lower terminal surface middle part of going up the mould is provided with the mouth of moulding plastics, the last port of mouth of moulding plastics is through advancing to mould tub and outside device intercommunication of moulding plastics.

Preferably, the valve is one of a solenoid valve and a manual valve.

Preferably, the jacking device comprises a jacking shaft and a buoyancy plate, the jacking shaft is connected with the connecting hole in an inserting manner, and the buoyancy plate is fixedly connected to the lower end of the jacking shaft.

Preferably, the number of the jacking shafts is not less than two, so that the jacking shafts are stressed uniformly when jacking the shell, and the phenomenon that the forming quality of the shell is influenced due to overlarge stress on one side is avoided.

Preferably, the upper end face of the lower die is provided with a guide post, the lower end face of the upper die base is provided with a positioning sleeve, and the positioning sleeve is connected with the guide post in a sliding mode and used for ensuring the positioning accuracy of the upper die and the lower die.

(III) advantageous effects

The utility model provides a power line box shell injection mold. The method has the following beneficial effects:

(1) the power supply line box shell injection mold is characterized in that a shell cavity is formed in the lower mold, a cooling cavity is formed below the shell cavity in the lower mold, the two sides of the cooling cavity are respectively communicated with a water inlet pipe and a water outlet pipe, a valve is arranged outside the water outlet pipe, an ejection device is inserted into the shell cavity through a connecting hole and comprises an ejection shaft and a buoyancy plate, the ejection shaft is inserted into the connecting hole and is fixedly connected with the lower end of the ejection shaft, the number of the ejection shafts is not less than two so as to ensure that when the shell is ejected, the force is uniform, one side of the case is not excessively stressed, the forming quality of the shell is not influenced, when a power shaft drives an upper mold to move downwards, when the gap between the lower mold and the shell cavity is equal to the thickness of the shell to be formed, the output of stopping force is stopped at the moment, an injection port starts injection molding, and the whole shell cavity can be filled with liquid plastic, can start corresponding water supply installation and make the inlet tube begin to the cooling chamber, pour into cold water, the heat of shell die cavity transmission is begun to absorb to the cold water of cold water intracavity this moment, and under the effect of buoyancy, promote the automatic jack-up of the good shell of jack-up axle with cooling shaping through the buoyancy board, personnel can manually open or program control valve opens the outlet pipe and go out water this moment, start the power shaft simultaneously and drive the mould return stroke, treat to take out behind the shell of machine-shaping, can carry out the aforesaid circulation, reprocess, thereby the buoyancy automatic liftout to the quick cooling of injection moulding shell and the adoption water has been reached, effectively practice thrift the cost, conveniently get the material fast simultaneously, the purpose of improvement machining efficiency.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a half-section structure of the present invention;

fig. 3 is a schematic view of the component-splitting structure of the present invention.

In the figure: the device comprises a lower die 1, a shell cavity 2, a cooling cavity 3, a water inlet pipe 4, a water outlet pipe 5, a valve 6, a connecting hole 7, a jacking shaft 8, a buoyancy plate 9, a power shaft 10, an upper die base 11, an upper die 12, an injection molding opening 13, a plastic inlet pipe 14, a guide column 15 and a positioning sleeve 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a power supply line box shell injection mold comprises a lower mold 1, wherein a shell cavity 2 is arranged on the lower mold 1, a cooling cavity 3 is arranged below the shell cavity 2 on the lower mold 1, a water inlet pipe 4 and a water outlet pipe 5 are respectively communicated with two sides of the cooling cavity 3, a valve 6 is arranged outside the water outlet pipe 5, the valve 6 adopts one of an electromagnetic valve or a manual valve, the cooling cavity 3 and the water outlet pipe 5 can be timely communicated only by jacking a jack-up shaft 8 when the processed and molded shell is jacked up, a jacking device is spliced in the shell cavity 2 through a connecting hole 7 and comprises a jacking shaft 8 and a buoyancy plate 9, the jacking shaft 8 is spliced and connected with the connecting hole 7, the buoyancy plate 9 is fixedly connected to the lower end of the jacking shaft 8, the number of the jacking shaft 8 is not less than two, so as to ensure that when the shell is jacked up, the stress is even, the phenomenon that one side is over stressed and the forming quality of the shell is affected is avoided, when the power shaft 10 drives the upper die 12 to move downwards, when the gap between the lower die 12 and the shell cavity 2 is the same as the thickness of the shell to be formed, the output of stopping power is stopped at the moment, the injection molding opening 13 starts injection molding, when the whole shell cavity 2 is filled with liquid plastic, a corresponding water supply device can be started to enable the water inlet pipe 4 to start to inject cold water into the cooling cavity 3, at the moment, the cold water in the cold water cavity 3 starts to absorb heat transferred in the shell cavity 2, and under the action of buoyancy, the jacking shaft 8 is pushed by the buoyancy plate 9 to jack the cooled and formed shell automatically, at the moment, a person can manually open or open the water outlet pipe 5 by the program control valve 6 to discharge water, simultaneously, the power shaft 10 is started to drive the upper die 12 to return stroke, and after the formed shell is taken out, the circulation can be carried out, and the reprocessing is carried out to having reached quick cooling and automatic liftout to the injection moulding shell, conveniently getting the material fast, improving machining efficiency's purpose, the activity of 1 top of lower mould is provided with mould 12, the up end of going up mould 12 passes through 11 fixedly connected with power shaft 10 of upper die base, the lower terminal surface middle part of going up mould 12 is provided with the mouth 13 of moulding plastics, the last port of mouth 13 of moulding plastics is through advancing mould pipe 14 and outside device intercommunication of moulding plastics, the up end of lower mould 1 is provided with guide post 15, the lower terminal surface of upper die base 11 is provided with position sleeve 16, sliding connection between position sleeve 16 and the guide post 15 for ensure the positioning accuracy of last mould 12 and lower mould 1.

When the device works, when the power shaft 10 drives the upper die 12 to move downwards, when the gap between the lower die 12 and the shell cavity 2 is the same as the thickness of a shell to be processed and formed, the output of stopping power is stopped, the injection molding opening 13 starts injection molding, when liquid plastic is filled in the whole shell cavity 2, a corresponding water supply device can be started to enable the water inlet pipe 4 to start to inject cold water into the cooling cavity 3, at the moment, the cold water in the cold water cavity 3 starts to absorb heat transferred in the shell cavity 2, and under the action of buoyancy, the jacking shaft 8 is pushed by the buoyancy plate 9 to jack the cooled and formed shell automatically, at the moment, a person can manually open or open the water outlet pipe 5 by the program control valve 6 to discharge water, and simultaneously, the power shaft 10 is started to drive the upper die 12 to return, after the processed and formed shell is taken out, the circulation can be carried out, the processing is carried out again, so that the quick cooling of the injection-molded shell and the buoyancy automatic jacking of the water is achieved, effectively practice thrift the cost, conveniently get the material fast simultaneously, improve machining efficiency's purpose.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a power line box shell injection mold, includes lower mould (1), its characterized in that: the improved injection molding device is characterized in that a shell cavity (2) is formed in the lower die (1), a cooling cavity (3) is formed below the lower die (1) and located in the shell cavity (2), the two sides of the cooling cavity (3) are respectively communicated with a water inlet pipe (4) and a water outlet pipe (5), a valve (6) is arranged outside the water outlet pipe (5), a material ejecting device is inserted into the shell cavity (2) through a connecting hole (7), an upper die (12) is movably arranged above the lower die (1), the upper end face of the upper die (12) is fixedly connected with a power shaft (10) through an upper die base (11), an injection molding opening (13) is formed in the middle of the lower end face of the upper die (12), and the upper end opening of the injection molding opening (13) is communicated with an external injection molding device through an injection molding pipe (14).

2. The injection mold for the casing of the power supply line box according to claim 1, wherein: the valve (6) adopts one of an electromagnetic valve or a manual valve.

3. The injection mold for the casing of the power supply line box according to claim 1, wherein: the material ejecting device comprises an ejecting shaft (8) and a buoyancy plate (9), the ejecting shaft (8) is in plug-in connection with the connecting hole (7), and the buoyancy plate (9) is fixedly connected to the lower end of the ejecting shaft (8).

4. The injection mold for the casing of the power supply line box according to claim 3, wherein: the number of the jacking shafts (8) is not less than two, so that the jacking shafts are uniformly stressed when jacking the shell, and the phenomenon that the forming quality of the shell is influenced due to overlarge stress on one side is avoided.

5. The injection mold for a power supply line box casing according to any one of claims 1 to 4, wherein: the upper end face of lower mould (1) is provided with guide post (15), the lower terminal surface of upper die base (11) is provided with position sleeve (16), sliding connection between position sleeve (16) and guide post (15) for ensure the positioning accuracy of last mould (12) and lower mould (1).

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