CN220198393U - Lighter shell injection mold - Google Patents

Abstract

The utility model discloses a lighter shell injection mold, which comprises a frame body, wherein driving mechanisms are arranged in two side vertical plates of the frame body, two half molds are connected between the driving mechanisms and can be matched with each other under the driving of the driving mechanisms, the half molds are in sliding connection with a cold water pipe, a top injection port of each half mold is matched with an injection through hole of a stripper plate, the injection through hole is in sliding connection with a mold column in the injection mechanism, and the top of the stripper plate is connected with an output end of a pusher; the device can automatically complete the injection molding and demolding of the lighter shell, can eject all injection molding pieces at one time, is provided with a cold water pipe for accelerated cooling, and has the characteristics of simplicity and high efficiency.

Description

Lighter shell injection mold

Technical Field

The utility model relates to the technical field of lighter mold equipment, in particular to a lighter shell injection mold.

Background

The shell of the traditional lighter is mostly made of metal materials, the materials are generally zinc alloy, steel, iron, copper and the like, the appearance of the shell is obtained by adopting a stamping process, the input cost is high, the shell is mainly oriented to high-end consumer groups, and the requirements of the market are difficult to meet. Along with the continuous increase of plastic types, more and more manufacturers start to produce plastic lighters, the plastic lighters are manufactured through injection molding technology, the precision is higher than that of stamping technology, complex shapes can be molded at one time, a great deal of cost is saved for merchants, and the requirements of consumers on appearance are met more easily. Because of the changeable shell patterns of the plastic lighter, the existing injection mold is usually provided with a plurality of ejection blocks for assisting in demolding, which certainly increases the assembly difficulty of the mold and reduces the operation reliability, and the existing mold is generally cooled by air or natural cooling, so that the production efficiency is lower, and a novel injection mold is needed to solve the problems.

Disclosure of Invention

In order to solve the problems, the utility model provides an injection mold for a lighter shell, which comprises a frame body, wherein driving mechanisms are arranged in two side vertical plates of the frame body, two half molds are connected between the driving mechanisms and can be clamped under the driving of the driving mechanisms, the half molds are in sliding connection with a cold water pipe, a top injection port of each half mold is matched with an injection through hole of a stripper plate, the injection through hole is in sliding connection with a mold column in the injection mechanism, and the top of the stripper plate is connected with an output end of a pusher.

Further, the driving mechanism comprises a driving motor, the driving motor is internally arranged at one end of a transverse groove formed in the inner side face of the vertical plate, a double-thread shaft of the driving motor is rotationally connected with the other end of the transverse groove, two sections of reverse threads of the double-thread shaft are respectively in threaded connection with sliding blocks of two half molds, the sliding blocks are arranged on two sides of the half molds, and the sliding blocks are in sliding connection with the transverse groove.

Further, the injection molding mechanism comprises a distribution seat, the distribution seat is arranged on the bottom surface of the top plate of the frame body, a feeding pipe is arranged at the top of the distribution seat, the bottom surface of the distribution seat is connected with a mold column, an injection molding cavity of the mold column is communicated with the feeding pipe, a heating wire surrounding the injection molding cavity is embedded in the mold column, and an electromagnetic valve is arranged at the outlet of the injection molding cavity.

Further, the cold water pipe body is arranged on the two transverse vertical plates of the frame body, the cold water pipes are distributed on two sides of the die cavity of the half die, and the water inlet end and the water outlet end of the cold water pipe are respectively connected with the outlet and the inlet of the water circulation device.

Further, a conveyor belt is arranged below the frame body, and a collecting basket is arranged at the output end of the conveyor belt.

The utility model has the following beneficial effects:

the utility model has the characteristics of simplicity, high efficiency, and can automatically complete the injection molding and demolding operation of the lighter shells, the injection molding cavity is formed by the cooperation of the two half molds, the demolding plate and the mold column, a plurality of lighter shells can be simultaneously injected, in the demolding process, the ejector can be used for controlling the demolding plate to eject all injection molding pieces at one time, the device is provided with a cold water pipe to accelerate the cooling of the injection molding pieces, and the built-in heating wire of the mold column can improve the fluidity of slurry in the injection molding pipe cavity and prevent blockage.

Drawings

FIG. 1 is a schematic view, partially in section, of an elevation structure of the present utility model;

FIG. 2 is a schematic view in partial cross-section of a right-hand structure of the present utility model;

fig. 3 is a schematic partial cross-sectional view of a top view of the present utility model.

The reference numerals are explained as follows: 1. a frame; 101. a side vertical plate; 102. a transverse groove; 103. a top plate; 104. a transverse vertical plate; 2. a half mold; 201. a slide block; 3. a cold water pipe; 4. removing the template; 401. injection molding the through hole; 5. a mold column; 501. injection molding the lumen; 6. a driving motor; 601. a double threaded shaft; 7. a dispensing base; 701. a feed pipe; 8. a heating wire; 9. an electromagnetic valve; 10. a conveyor belt; 11. a collection basket; 12. a pusher.

Detailed Description

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying positive importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "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, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The utility model is further described below with reference to the accompanying drawings:

as shown in fig. 1 to 3, an injection mold for a lighter shell comprises a frame body 1, a conveyor belt 10 is arranged below the frame body 1, a collecting basket 11 is arranged at the output end of the conveyor belt 10, driving mechanisms are arranged in two side vertical plates 101 of the frame body 1, each driving mechanism comprises a driving motor 6, each driving motor 6 is arranged in one end of a transverse groove 102 formed in the inner side surface of each side vertical plate 101, a double-thread shaft 601 of each driving motor 6 is rotatably connected with the other end of each transverse groove 102, two sections of reverse threads of each double-thread shaft 601 are respectively in threaded connection with sliding blocks 201 of two half molds 2, the sliding blocks 201 are arranged on two sides of each half mold 2, and the sliding blocks 201 are in sliding connection with the corresponding transverse grooves 102. When the driving motor 6 drives the double-threaded shaft 601 to rotate, the two half molds 2 can move in opposite directions to perform mold closing or move in opposite directions to perform mold opening (determined by the rotation direction of the driving motor 6). The half mould 2 is in sliding connection with the cold water pipes 3, the cold water pipes 3 are distributed on two sides of a mould cavity of the half mould 2 (as shown in fig. 1, the number of the mould cavities can be set according to the requirement, three in the figure), the pipe body of the cold water pipes 3 is arranged on two transverse vertical plates 104 of the frame body 1, and the water inlet end and the water outlet end of the cold water pipes 3 are respectively connected with an outlet and an inlet of water circulation equipment (not shown in the figure and comprising a circulating pump and a radiating water tank). The cold water pipe 3 can serve as a guide rail when the half mould 2 slides, and can rapidly cool the half mould 2, so that the rapid shaping of the lighter shell is realized.

In this embodiment, the top sprue (i.e. the opening of the mold cavity) of the mold half 2 is matched with the injection molding through hole 401 of the stripper plate 4, the top of the stripper plate 4 is connected with the output end of the pusher 12, the cylinder body of the pusher 12 is installed on the inner side surface of the side vertical plate 101, the injection molding through hole 401 is slidably connected with the mold column 5 in the injection molding mechanism, the injection molding mechanism comprises a distribution seat 7, the distribution seat 7 is installed on the bottom surface of the top plate 103 of the frame body 1, a feeding pipe 701 is arranged at the top of the distribution seat 7, the bottom surface of the distribution seat 7 is connected with the mold column 5, the injection molding cavity 501 of the mold column 5 is communicated with the feeding pipe 701, the heating wire 8 of the mold column 5 surrounds the injection molding cavity 501 in an embedded manner, and the electromagnetic valve 9 is arranged at the outlet of the injection molding cavity 501.

The working principle of the utility model is as follows:

when the lighter shell is required to be produced, the two half molds 2 are in a mold closing state, the mold release plate 4 is at a top dead center position, the bottom surface of the mold release plate 4 is contacted with the top surface of the mold half 2, the column body of the mold column 5 is positioned in a mold cavity formed by splicing the two half molds 2, a gap formed by surrounding the two half molds 2, the mold release plate 4 and the mold column 5 is an injection cavity (as shown in fig. 1), the electromagnetic valve 9 is opened, plastic slurry is injected into the injection cavity (the heating wire 8 is prevented from being solidified in advance), after the injection cavity is filled with the slurry, the electromagnetic valve 9 is closed, cooling water is pumped into the cold water pipe 3 to accelerate the cooling molding of an injection molding piece, then the driving motor 6 is started, the driving motor 6 drives the two half molds 2 to slide back to open the mold, after the mold opening, the pusher 12 pushes the mold release plate 4 to descend, the ignition shell sleeved on the mold column 5 is pushed down (the injection port of the electromagnetic valve 9 is extremely thin and has residual heat, and the formed flow passage is easy to infer to drop), and the pushed ignition shell is sent into the collecting basket 11 by the conveying belt 10.

The utility model can automatically complete the injection molding and demolding of the lighter shell, can eject all injection molding pieces at one time, is provided with the cold water pipe 3 for accelerated cooling, and has the characteristics of simplicity and high efficiency.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims (5)

1. The utility model provides a lighter shell injection mold, includes framework (1), its characterized in that: two half moulds (2) are connected between the driving mechanisms, the two half moulds (2) can be clamped under the driving of the driving mechanisms, the half moulds (2) are in sliding connection with a cold water pipe (3), a top injection port of the half moulds (2) is matched with an injection molding through hole (401) of a stripper plate (4), the injection molding through hole (401) is in sliding connection with a mould column (5) in the injection molding mechanism, and the top of the stripper plate (4) is connected with the output end of a pusher (12).

2. The lighter shell injection mold of claim 1, wherein: the driving mechanism comprises a driving motor (6), one end of a transverse groove (102) formed in the inner side surface of the vertical plate (101) is arranged in the driving motor (6), a double-threaded shaft (601) of the driving motor (6) is rotationally connected with the other end of the transverse groove (102), two sections of reverse threads of the double-threaded shaft (601) are respectively in threaded connection with sliding blocks (201) of two half molds (2), the sliding blocks (201) are arranged on two sides of the half molds (2), and the sliding blocks (201) are in sliding connection with the transverse groove (102).

3. The lighter shell injection mold of claim 1, wherein: injection molding mechanism includes allocation seat (7), and allocation seat (7) are installed in framework (1) roof (103) bottom surface, and allocation seat (7) top is equipped with inlet pipe (701), and mould post (5) are connected to allocation seat (7) bottom surface, and injection molding lumen (501) of mould post (5) communicate inlet pipe (701), and mould post (5) are embedded around heater strip (8) of injection molding lumen (501), and injection molding lumen (501) exit is equipped with solenoid valve (9).

4. The lighter shell injection mold of claim 1, wherein: the cold water pipe (3) pipe body is arranged on two transverse vertical plates (104) of the frame body (1), the cold water pipe (3) is distributed on two sides of a die cavity of the half die (2), and the water inlet end and the water outlet end of the cold water pipe (3) are respectively connected with the outlet and the inlet of the water circulation device.

5. The lighter shell injection mold of claim 1, wherein: a conveyor belt (10) is arranged below the frame body (1), and a collecting basket (11) is arranged at the output end of the conveyor belt (10).