CN223630875U - A double-row pen hanger injection mold - Google Patents

Abstract

The utility model discloses a double-row pen hanging injection mold, which comprises a substrate, a movable mold and a static mold, wherein four-point flow dividing plates and four groups of hot nozzles are arranged in the substrate, a cavity plate and an inner drawing core rod for forming a mold cavity are arranged on the movable mold and the static mold, the cavity plate is divided into the movable plate and the static plate, the movable plate is fixed with the movable mold and drives the relative static plate to separate, the mold is independently fed for the mold cavity connected with the four groups of hot nozzles through the four-point flow dividing plates, 64 pen hanging efficiency of one-time injection molding is high, injection molding waste is exposed after mold separation, an external manipulator conveniently stretches into the clamping waste for demolding separation, the cavity plate is formed by the movable plate and the static plate, the relative pen hanging mold cavity is radially separated, the molded pen hanging is exposed, the compression mold caused by product separation is effectively prevented, frequent maintenance is avoided, and in addition, the mold of the embodiment adopts a nitrogen spring and a strong-magnet matched mold opening design for neodymium iron boron, compared with the traditional spring opening mold design, and the spring is not replaced.

Description

Double-row pen hanging injection mold

Technical Field

The utility model relates to the technical field of injection molds, in particular to a double-row pen hanging injection mold.

Background

The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and precise dimensions. Injection molding is a process used in mass production of parts of complex shape. The method specifically comprises the steps of injecting a heated and melted material into a mold cavity formed by a movable mold and a static mold under high pressure, cooling the mold through cooling liquid in a cooling runner arranged around the mold cavity in the mold, then conducting the cooled and solidified material onto the material in the mold cavity, and driving the movable mold by equipment to separate the movable mold from the static mold, so that an injection molding product is finally obtained.

The existing pen hanging forming die is usually provided with a die cavity plate, the die cavity plate is arranged on a movable die or a static die, and a formed product is ejected out through an ejector rod after die separation, but the pen hanging forming die is based on the fact that the pen hanging forming die belongs to a strip and is provided with a hanging rod and other structures, and the arrangement can lead to the problem that a product die is required to be frequently maintained by workers when demoulding is carried out, or the problem that the die is deformed or the product is damaged in batches is caused, so that the quality and the production efficiency of the product are not beneficial to improvement. And the traditional pen-hung injection mold usually adopts a single-row, 16-cavity and 20-cavity monolithic cavity design, the production efficiency is low, and the utilization rate of the mold and the space occupancy rate are not ideal.

Disclosure of utility model

In view of the prior art, the utility model aims to provide the double-row pen hanger injection mold, which successfully establishes an injection mold structure with double-row 64 cavities, and a plurality of pen hangers are injected at one time, so that the production efficiency is obviously improved, and the production cost is reduced.

In order to achieve the purpose, the double-row pen-hanging injection mold comprises a substrate, a movable mold and a static mold, wherein four-point flow dividing plates and four groups of hot nozzles are arranged in the substrate, cavity plates and inner core pulling rods for forming a mold cavity are arranged on the movable mold and the static mold, the cavity plates are divided into the movable plate and the static plate, the movable plate is fixed with the movable mold, and the movable mold drives the relative static plate to separate.

As a further arrangement of the scheme, the cavity plate is also provided with a separating plate for forming a runner with the movable plate and the static plate, and the separating plate is fixed with the base plate.

As a further arrangement of the scheme, the movable mould is fixedly provided with a sliding plate, the sliding plate is provided with a sliding groove, the movable plate is provided with a guide block which is positioned in the sliding groove and slides in the sliding groove, and when the movable mould is separated from the stationary mould, the movable plate is driven to move in a separating way relative to the stationary plate through the guide block and the sliding groove.

As a further arrangement of the scheme, the four-point flow distribution plate is connected with four groups of hot nozzles, the four groups of hot nozzles respectively correspond to one group of cavity plates, and sixteen pen hanging forming cavities are respectively arranged on each group of cavity plates.

As a further arrangement of the scheme, a nitrogen spring and a neodymium iron boron strong magnet are further arranged between the movable die and the static die.

The die has the advantages that the double-row die cavity is arranged, the X-shaped four-point splitter plate is arranged for independently feeding the die cavities connected with four groups of hot nozzles, 64 pen hooks are formed by injection molding at one time, the production efficiency is high, injection molding waste is exposed outside by separating the split die from the fixed plate in a mode of milling a runner on the split die and the fixed plate, an external manipulator conveniently stretches into the clamping waste to separate the clamping waste by pulling the clamping waste, in addition, the die cavity plate consists of the movable plate and the fixed plate and is radially separated from the die cavities of the pen hooks, the molded pen hooks are exposed, the compression die caused by product separation is effectively prevented from being separated, frequent maintenance is avoided, and in addition, the die of the embodiment adopts a die opening design of matching of a nitrogen spring and a neodymium iron boron strong magnet, compared with the traditional design of adopting a spring die opening, and the spring is not required to be replaced.

Drawings

FIG. 1 is a schematic diagram of a double-row pen hanging injection mold.

Fig. 2 is a schematic diagram of the internal structure of the double-row pen hanging injection mold.

FIG. 3 is a schematic view of the internal structure of the static mold according to the present utility model.

Fig. 4 is a schematic view of the structure of the mold cavity of the present utility model.

Fig. 5 is a schematic view of a cavity plate structure according to the present utility model.

Fig. 6 is a schematic view of the cavity plate and slide plate structure of the present utility model.

The device comprises a reference numeral 1, a base plate, 11, a four-point splitter plate, 12, a hot nozzle, 2, a movable die, 3, a static die, 31, a nitrogen spring, 32, a neodymium iron boron strong magnet, 4, a die cavity, 5, a cavity plate, 51, a movable plate, 52, a static plate, 53, an inner core-pulling rod, 6, a sliding plate, 61, a sliding chute, 7, a runner and 8 and a release plate.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description. In addition, the embodiments of the present utility model and the features in the embodiments may be combined with each other without collision.

The double-row pen-hanging injection mold comprises a base plate 1, a movable mold 2 and a static mold 3, wherein four-point flow dividing plates 11 and four groups of hot nozzles 12 are arranged in the base plate 1, a cavity plate 5 for forming a mold cavity 4 and an inner core pulling rod 53 are arranged on the movable mold 2 and the static mold 3, the cavity plate 5 is divided into a movable plate 51 and a static plate 52, the movable plate 51 is fixed with the movable mold 2, and the movable mold 2 drives the relative static plate 52 to separate.

As a further arrangement of the above-mentioned scheme, a release plate 8 for forming a runner 7 with the movable plate 51 and the static plate 52 is further arranged on the cavity plate 5, and the release plate 8 is fixed with the base plate 1.

As a further arrangement of the scheme, the movable mould 2 is fixedly provided with the sliding plate 6, the sliding plate 6 is provided with the sliding groove 61, the movable plate 51 is provided with the guide block which is positioned in the sliding groove 61 to slide, and when the movable mould 2 is separated from the stationary mould 3, the movable plate 51 is driven to separate from the stationary plate 52 through the guide block and the sliding groove 61.

As a further arrangement of the above scheme, the four-point splitter plate 11 is connected with four groups of hot nozzles 12, the four groups of hot nozzles 12 respectively correspond to one group of cavity plates 5, and sixteen pen hanging molding cavities 4 are respectively arranged in each group of cavity plates 5.

As a further arrangement of the scheme, a nitrogen spring 31 and a neodymium iron boron strong magnet 32 are further arranged between the movable die 2 and the static die 3.

Referring to the mold structure shown in fig. 1 and 2, four groups of hot nozzles 12 are arranged in the mold, the hot nozzles 12 are independently fed through a four-point splitter plate 11, each group of hot nozzles 12 is provided with an independent mold cavity 4, as shown in fig. 2, one group of mold cavities 4 form sixteen pen hanging molding mold cavities 4 through a movable plate 51 and a static plate 52, a lower half runner 7 is manufactured on a separating plate 8 through milling on the static plate 52, the separating plate 8 and the movable plate 51 are separated along with the movable plate 2 relative to the static mold 3 in mold separation, 64 pen hanging molded in the mold cavities 4 and injection molding waste thereof are exposed, an external manipulator conveniently stretches into clamping waste to demold and separate the pen hanging molded product, in addition, the mold cavity plate 5 is formed by the movable plate 51 and the static plate 52, the movable plate 51 moves in a radial separation mode relative to the pen hanging mold cavities 4 under the cooperation of a sliding plate 6, an inclined sliding groove 61, a guide block 62 and the like, the molded pen hanging molded mold 2 is smoothly separated relative to the static mold 3, and the molded pen hanging molded is effectively prevented from being separated, and frequent maintenance is avoided.

The mold of the present embodiment shown with reference to fig. 2 and 6 is provided with a slide plate 6, a slide groove 61 is provided on the slide plate 6, a guide block 62 sliding in the slide groove 61 is further provided, one of the guide blocks 62 shown in fig. 6 is fixed on the stationary plate 52 of the stationary mold 3, embedded in the corresponding slide groove 61 of the slide plate 6, and a guide block 62 fixed on the movable plate 51 is cooperatively provided on the other slide groove 61 on the slide plate 6, and the movable plate 51 is guided by the movable plate 51 to be separated along the radial direction of the pen hanger when the movable plate 51 moves with the movable mold 2 relative to the stationary mold 3.

Further, the mold of the embodiment shown in fig. 2 and 3 adopts the design of opening the mold by combining the nitrogen spring 31 and the neodymium iron boron strong magnet 32, which is more stable than the traditional design of opening the mold by adopting a spring, and the spring does not need to be replaced.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, if such modifications and variations of the present utility model fall within the scope of the present utility model and the equivalents thereof, the present utility model is intended to include such modifications and variations as well.

Claims (5)

1. The double-row pen-hanging injection mold comprises a substrate (1), a movable mold (2) and a static mold (3) and is characterized in that a four-point flow distribution plate (11) and four groups of hot nozzles (12) are arranged in the substrate (1), a cavity plate (5) and an inner core pulling rod (53) which are used for forming a mold cavity (4) are arranged on the movable mold (2) and the static mold (3), the cavity plate (5) is divided into a movable plate (51) and a static plate (52), the movable plate (51) is fixed with the movable mold (2), and the movable mold (2) drives the relative static plate (52) to separate.

2. The double-row pen hanging injection mold according to claim 1, wherein the cavity plate (5) is further provided with a separating plate (8) for forming a runner (7) with the movable plate (51) and the static plate (52), and the separating plate (8) is fixed with the base plate (1).

3. The double-row pen-hung injection mold according to claim 1, wherein a sliding plate (6) is fixed on the movable mold (2), a sliding groove (61) is formed in the sliding plate (6), a guide block is arranged on the movable plate (51) and is positioned in the sliding groove (61) to slide, and when the movable mold (2) is separated from the stationary mold (3), the movable plate (51) is driven to move in a separating mode relative to the stationary plate (52) through the guide block and the sliding groove (61).

4. The double-row pen hanging injection mold according to claim 1, wherein the four-point flow distribution plate (11) is connected with four groups of hot nozzles (12), the four groups of hot nozzles (12) respectively correspond to one group of cavity plates (5)), and sixteen pen hanging molding cavities (4) are respectively arranged in each group of cavity plates (5).

5. The double-row pen-hung injection mold according to claim 1, wherein a nitrogen spring (31) and a neodymium-iron-boron strong magnet (32) are further arranged between the movable mold (2) and the static mold (3).