CN222346185U - Charger shell injection mold - Google Patents

Abstract

The utility model discloses a charger shell injection mold, which relates to the field of injection molds and comprises an upper mold base, wherein a lower mold base is arranged at the lower end of the upper mold base, a male mold is connected with the lower end of the upper mold base, a female mold is arranged in the lower mold base, a first semiconductor plate and a second semiconductor plate are arranged in the upper mold base and the lower mold base, and the side ends of the first semiconductor plate and the second semiconductor plate are connected with connectors. Through being provided with first semiconductor plate, second semiconductor plate, both connections can form semiconductor refrigeration structure, can preheat terrace die, die before moulding plastics, make mould surface temperature evenly distributed, reduce deformation and damage because of the temperature difference causes, after moulding plastics the completion, can absorb heat to terrace die, die cooling to improve production efficiency, still help reducing the product and be because of defect such as deformation, shrinkage cavity that long-time high temperature probably produced moreover.

Description

Charger shell injection mold

Technical Field

The utility model relates to the technical field of injection molds, in particular to an injection mold for a charger shell.

Background

The charger shell is generally made of plastic, is produced by using an injection molding process, is formed by injecting molten plastic materials into a mold by using an injection molding machine and cooling and solidifying the molten plastic materials to form a required shell shape, and the process has the advantages of relatively low cost, high product precision and the like and is widely applied to the production of the charger shell.

However, the existing injection mold for the charger shell has the problems that before casting liquid is injected into the mold, the mold cannot be preheated, so that when the casting liquid contacts the mold with low temperature, part of the casting liquid is directly coagulated into small particles due to temperature difference to influence the quality of a processed finished product, and after the injection molding is finished, the mold cannot quickly dissipate heat and cool, so that the processing efficiency is reduced, and the defects of deformation, shrinkage cavity and the like possibly generated by long-time high temperature of the product are overcome.

In order to solve the technical problem, the utility model provides an injection mold for a charger shell.

Disclosure of utility model

The utility model mainly aims to provide an injection mold for a charger shell, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

The utility model provides a charger shell injection mold, includes the upper die base, the upper die base lower extreme is provided with the die holder, the upper die base lower extreme is connected with the terrace die, the die has been seted up in the die holder, all be provided with first semiconductor board, second semiconductor board in upper die base and the die holder, first semiconductor board all is connected with the connector with second semiconductor board side, upper die base, die holder side are connected with the support frame, the inside rotation of support frame is connected with the bull stick, bull stick side is connected with the connecting plate, connecting plate side is connected with firehead, zero line head, bull stick side is connected with swivelling joint ware, the bull stick outer end is connected with a gear, the support frame internal connection has the motor, the motor drive end is connected with No. two gears.

Preferably, the first semiconductor plate and the second semiconductor plate are connected through an iron core, the first semiconductor plate and the second semiconductor plate are located in the male die, and the first semiconductor plate and the second semiconductor plate encircle the outer end of the female die.

Preferably, the connector is located at the side end of the support frame, the live wire head and the zero wire head can be connected with the connector, an electric wire is connected in the rotary connector, and the first gear is meshed with the second gear.

Preferably, the lower end of the upper die holder is connected with a positioning rod, a positioning hole is formed in the lower die holder, and the positioning rod is inserted into the positioning hole.

Preferably, the male die can be inserted into the female die, a top plate is connected with the male die and the female die in a sliding manner, the top plate is tightly connected with the male die and the female die, a first air cylinder is connected in the upper die holder and the lower die holder, and the first air cylinder is connected with the top plate.

Preferably, the upper die holder is internally connected with a liquid injection pipe, the lower end of the upper die holder and the upper end of the lower die holder are both provided with communication grooves, and the communication grooves are communicated with the female die.

Preferably, the rear end of the lower die holder is connected with a second air cylinder, the driving end of the second air cylinder is connected with a push plate, and the push plate is positioned between the upper die holder and the lower die holder.

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

According to the utility model, the first semiconductor plate and the second semiconductor plate are arranged and connected to form a semiconductor refrigeration structure, the first semiconductor plate and the second semiconductor plate are electrified, the first semiconductor plate generates heat, the second semiconductor plate generates low temperature, the heat generated by the first semiconductor plate can be transmitted into the male die and the female die so as to heat the male die and the female die, the surface temperature of the die can be uniformly distributed by preheating, the thermal stress of the die can be effectively eliminated, deformation and damage caused by temperature difference are reduced, the dimensional stability and the surface quality of a product are improved, after injection molding is finished, the motor is started, the motor can drive the rotating rod to rotate, the wire head and the zero wire head are adjusted, the first semiconductor plate generates low temperature, the second semiconductor plate generates heat, the first semiconductor plate generates low temperature, and can absorb the heat of injection molding, so that the casting solution can be rapidly cooled, the production efficiency can be improved, and defects such as deformation, shrinkage cavity and the like possibly generated by long-time high temperature can be reduced.

According to the utility model, the top plate and the first cylinder are arranged in the male die and the female die, after injection molding is finished, the upper die base is lifted, then the first cylinder is driven to push the top plate to move, the top plate of the male die moves downwards, and the top plate in the concave surface moves upwards, so that the charger die shell can be ejected to finish demolding no matter the charger die shell is clamped at the outer end of the male die or the charger die shell is clamped in the female die, and then the second cylinder is started to push the push plate, so that the charger die shell is ejected out of the device.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an injection mold for a charger housing according to the present utility model;

FIG. 2 is a schematic diagram of a second cylinder structure of an injection mold for a charger housing according to the present utility model;

FIG. 3 is a schematic diagram of the front structure of an injection mold for a charger housing according to the present utility model;

FIG. 4 is a schematic diagram of a lower die holder of an injection mold for a charger housing according to the present utility model;

FIG. 5 is a schematic diagram of a supporting frame structure of an injection mold for a charger housing according to the present utility model;

Fig. 6 is a schematic diagram of the positions of a first semiconductor board and a second semiconductor board of an injection mold for a charger housing according to the present utility model.

The drawing shows that the drawing comprises a first die holder 1, a second die holder 2, a third die holder 3, a male die 4, a female die 5, a first semiconductor plate 6, a second semiconductor plate 7, a connector 8, a supporting frame 9, a rotating rod 10, a connecting plate 11, a live wire head 12, a zero wire head 13, a rotary connector 14, a first gear 15, a motor 16, a second gear 17, a positioning rod 18, a positioning hole 19, a top plate 20, a first cylinder 21, a liquid injection pipe 22, a communicating groove 23, a second cylinder 24 and a push plate.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-6, an injection mold for a charger shell comprises an upper mold base 1, a lower mold base 2 is arranged at the lower end of the upper mold base 1, a male mold 3 is connected at the lower end of the upper mold base 1, a female mold 4 is arranged in the lower mold base 2, the male mold 3 can be inserted into the female mold 4, a gap formed between the male mold base and the female mold is just the shape of the charger shell, a positioning rod 17 is connected at the lower end of the upper mold base 1, a positioning hole 18 is arranged in the lower mold base 2, the positioning rod 17 is inserted into the positioning hole 18, the positioning rod 17 is matched with the positioning hole 18, the male mold 3 can be just inserted into the female mold 4 when the upper mold base 1 is connected with the lower mold base 2 in a pressing manner, positioning can be completed, a liquid injection pipe 21 is connected in the upper mold base 1, a communication groove 22 is formed at the lower end of the upper mold base 1 and the upper end of the lower mold base 2, the communication groove 22 is communicated with the female mold 4, after the upper mold base 1 is connected with the lower mold base 2, the casting liquid is injected into the liquid injection pipe 21, and the casting liquid enters the gap between the female mold 4 and the male mold 3 through the communication groove 22, so as to form the charger shell.

The upper die holder 1 and the lower die holder 2 are internally provided with a first semiconductor plate 5 and a second semiconductor plate 6, the first semiconductor plate 5 and the second semiconductor plate 6 are connected through an iron core, a semiconductor refrigeration structure is formed by the first semiconductor plate 5 and the second semiconductor plate 6, the first semiconductor plate 5 and the second semiconductor plate 6 are positioned in the male die 3, the first semiconductor plate 5 and the second semiconductor plate 6 encircle the outer end of the female die 4, electricity is supplied to the first semiconductor plate 5 and the second semiconductor plate 6, one semiconductor plate absorbs heat according to the Peltier effect to generate low temperature, and the other semiconductor plate generates heat.

The first semiconductor board 5 and the second semiconductor board 6 side all are connected with connector 7, upper die base 1, the die holder 2 side is connected with support frame 8, connector 7 is located support frame 8 side, the inside rotation of support frame 8 is connected with bull stick 9, bull stick 9 side is connected with connecting plate 10, connecting plate 10 side is connected with live wire head 11, zero line head 12, live wire head 11 and zero line head 12 can be connected with connector 7, bull stick 9 side is connected with swivelling joint ware 13, be connected with the electric wire in swivelling joint ware 13, so can be for bull stick 9 circular telegram, make it pass through fire line head 11, zero line head 12 is connector 7 circular telegram, so as to supply power for first semiconductor board 5, second semiconductor board 6, the bull stick 9 outer end is connected with first gear 14, be connected with motor 15 in the support frame 8, the drive end of motor 15 is connected with No. 16, no. 14 meshes with No. 16 gear 16 of No. 16 of this start motor 15 drive end, no. 16 rotation and No. 14 effect, will drive 9 rotation, thereby carry out the position change with zero line head 11 with zero line head 12.

The male die 3 and the female die 4 are connected with the top plate 19 in a sliding manner, the top plate 19 is tightly connected with the male die 3 and the female die 4, casting liquid cannot overflow from a gap, the first air cylinder 20 is connected with the top plate 19 in the upper die holder 1 and the lower die holder 2, the first air cylinder 20 is started to push the top plate 19 to move, so that the top plate 19 is ejected from the male die 3 and the female die 4, the charger shell clamped at the outer end of the male die 3 or in the female die 4 is ejected to be demolded, the top plate 19 in the female die 4 is positioned flush with the upper surface of the lower die holder 2 at the moment, the second air cylinder 23 is connected with the driving end of the second air cylinder 23, the push plate 24 is positioned between the upper die holder 1 and the lower die holder 2, and the second air cylinder 23 is started to push the push plate 24 to move, so that the demolded charger shell can be pushed out of the device.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present 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. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. The charger shell injection mold comprises an upper mold base (1) and is characterized in that a lower mold base (2) is arranged at the lower end of the upper mold base (1), a male mold (3) is connected at the lower end of the upper mold base (1), a female mold (4) is arranged in the lower mold base (2), a first semiconductor plate (5) and a second semiconductor plate (6) are arranged in the upper mold base (1) and the lower mold base (2), connectors (7) are connected at the side ends of the first semiconductor plate (5) and the second semiconductor plate (6), a supporting frame (8) is connected at the side ends of the upper mold base (1) and the lower mold base (2), a rotating rod (9) is connected inside the supporting frame (8), a connecting plate (10) is connected at the side end of the rotating rod, a live wire head (11) and a zero wire head (12) are connected at the side end of the connecting plate (10), a rotary connector (13) is connected at the outer end of the rotating rod (9), a connecting gear (14) is connected at the side end of the rotating rod, a motor (8) is connected with a driving end (15), and a driving end (16) is connected with a motor (15).

2. The charger shell injection mold according to claim 1, wherein the first semiconductor plate (5) and the second semiconductor plate (6) are connected through an iron core, the first semiconductor plate (5) and the second semiconductor plate (6) are located in the male mold (3), and the first semiconductor plate (5) and the second semiconductor plate (6) encircle the outer end of the female mold (4).

3. The charger shell injection mold according to claim 1, wherein the connector (7) is located at the side end of the supporting frame (8), the live wire head (11) and the zero wire head (12) can be connected with the connector (7), an electric wire is connected in the rotary connector (13), and the first gear (14) is meshed with the second gear (16).

4. The charger shell injection mold according to claim 1, wherein the lower end of the upper mold base (1) is connected with a positioning rod (17), a positioning hole (18) is formed in the lower mold base (2), and the positioning rod (17) is inserted into the positioning hole (18).

5. The charger shell injection mold according to claim 1, wherein the male mold (3) can be inserted into the female mold (4), a top plate (19) is connected between the male mold (3) and the female mold (4) in a sliding manner, the top plate (19) is tightly connected with the male mold (3) and the female mold (4), a first air cylinder (20) is connected between the upper mold base (1) and the lower mold base (2), and the first air cylinder (20) is connected with the top plate (19).

6. The charger shell injection mold according to claim 1, wherein the upper mold base (1) is connected with a liquid injection pipe (21), the lower end of the upper mold base (1) and the upper end of the lower mold base (2) are both provided with a communication groove (22), and the communication groove (22) is communicated with the female mold (4).

7. The charger shell injection mold according to claim 1, wherein the rear end of the lower mold base (2) is connected with a second air cylinder (23), the driving end of the second air cylinder (23) is connected with a push plate (24), and the push plate (24) is located between the upper mold base (1) and the lower mold base (2).