CN218256536U

CN218256536U - 45-degree elbow multi-cavity automatic sprue cutting and forming die

Info

Publication number: CN218256536U
Application number: CN202221475720.XU
Authority: CN
Inventors: 于进杰; 饶攀; 马胜
Original assignee: Linhai Weixing New Building Materials Co Ltd
Current assignee: Linhai Weixing New Building Materials Co Ltd
Priority date: 2022-06-14
Filing date: 2022-06-14
Publication date: 2023-01-10
Anticipated expiration: 2032-06-14

Abstract

The utility model discloses an automatic runner forming die that cuts of 45 degrees elbows multicavity, including the cover half, movable mould and lower compound board, be provided with the runner on the cover half, be provided with slide and striker plate on the movable mould, be provided with the round hole on the striker plate, be connected with the core on the slide, the round hole setting on the striker plate is passed to the core, be provided with the die cavity in the movable mould, the die cavity links to each other with lower compound board is fixed, the runner is connected with the die cavity, core and cover half vacuole formation, be provided with spacing screw and spring under between compound board and movable mould, play limiting displacement, be provided with thimble mechanism down on the compound board, a runner for ejecting with injection moulding. The utility model optimizes and upgrades the structure of the traditional mould, reduces the mould space, doubles the number of cavities and improves the production efficiency; the side gate is connected with the gate through a blade cutting product, and the runner is automatically separated from the product, so that automatic shearing is realized, manual trimming of the gate of the product is not needed, the production efficiency is improved, and the manual strength is reduced.

Description

45-degree elbow multi-cavity automatic sprue cutting and forming die

Technical Field

The utility model belongs to the technical field of injection mold, concretely relates to 45 degrees automatic runner forming die that cuts of elbow multicavity.

Background

The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate dimensions, and the injection molding is a processing method used for batch production of parts with complex shapes, in particular to a method for injecting heated and melted plastics into a mold cavity from an injection molding machine at high pressure and obtaining a formed product after cooling and solidification.

To the mould structure of present commonly used 45 degrees elbows, most mould cave numbers are 2 chambeies, and the runner adopts side runner to be the main, so every goods shaping back all needs the manual work to cut, and production efficiency is low, and manufacturing cost is higher, is difficult to satisfy the demand.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned problem condition, the utility model provides a 45 degrees elbow multicavity automatic runner forming die that cuts solves among the prior art that the amount of labour is big, low in production efficiency, the high technical problem of manufacturing cost.

In order to realize the purpose, the utility model discloses the technical scheme who takes does:

the utility model provides a 45 degree elbow multicavity is automatic cuts runner forming die, includes cover half, movable mould and lower compound plate, and the movable mould cooperation sets up the lower extreme at the cover half, and lower compound plate sets up the below at the movable mould, is provided with the runner intercommunication on the cover half, is provided with slide and striker plate on the movable mould, and the striker plate passes through the screw fixation on the movable mould, is provided with the round hole on the striker plate, is connected with the core on the slide, and the round hole setting on the striker plate is passed to the core, is provided with the die cavity in the movable mould, and the die cavity links to each other with lower compound plate is fixed, the runner is connected with the die cavity, core and cover half vacuole formation, is provided with spacing screw down between compound plate and the movable mould, plays limiting displacement, still is provided with the spring between movable mould and lower compound plate, still is provided with thimble mechanism down on the compound plate for ejecting injection moulding's runner.

As a further technical scheme, a blade is arranged on the material baffle plate and used for enabling the product and the blade to be tangent so that the product automatically falls off.

As a further technical scheme, the device also comprises an oil cylinder, wherein the oil cylinder controls the sliding of the sliding seat.

As a further technical scheme, a limiting plate is fixedly attached to the bottom of the lower compound plate.

As a further technical scheme, the ejector pin mechanism comprises an ejector pin and an outer spring, the ejector pin is sleeved with the ejector pin, the ejector pin is fixed on the limiting plate through a fixing screw, and the upper end of the ejector pin is used for ejecting out an injection molding flow channel.

As a further technical scheme, the number of the limiting screws is four, and the limiting screws are arranged between the movable die and the lower compound plate to play a limiting role.

As a further technical scheme, the number of the springs is eight, and the springs are arranged between the movable die and the lower compound plate and play a limiting role.

Through the utility model discloses technical scheme optimizes the upgrading to traditional mould structure, has following beneficial effect:

1. the product is compactly arranged, the die space is reduced, the material cost is saved, the number of cavities is doubled, and the production efficiency is greatly improved;

2. the side gate is connected with the gate through a blade cutting product, and the automatic separation of the flow channel and the product is realized, so that automatic shearing is realized, the product gate does not need to be manually trimmed, the production efficiency is improved, and the manual strength is reduced;

3. through floating technical improvement, the product has no thimble mark, and the appearance quality of the product is ensured.

Drawings

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

FIG. 2 is a sectional view of the fixed mold structure of the present invention;

FIG. 3 is a sectional view of the movable mold structure of the present invention;

FIG. 4 is a schematic view of the combination structure of the movable mold and the lower compound plate of the present invention;

FIG. 5 is a schematic structural view of the cavity and the lower doubler plate of the present invention;

in the figure: 1. moving the mold; 2. a striker plate; 3. a cavity; 4. a screw; 5. a blade; 6. an oil cylinder; 7. a slide base; 8. fixing a mold; 9. a core; 10. a flow channel; 11. a limiting screw; 12. a lower compound plate; 13. an outer spring; 14. a thimble; 15. fixing screws; 16. a limiting plate; 17. a spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-5, a 45-degree elbow multi-cavity automatic sprue cutting forming die comprises a fixed die 8, a movable die 1 and a lower compound plate 12, wherein the movable die 1 is arranged at the lower end of the fixed die 8 in a matching manner, the lower compound plate 12 is arranged below the movable die 1, a runner 10 communicated with a sprue is arranged on the fixed die 8, a sliding seat 7 and a material baffle 2 are arranged on the movable die 1, the material baffle 2 is fixed on the movable die 1 through a screw 4, a circular hole is formed in the material baffle 2, a core 9 is connected to the sliding seat 7, the core 9 penetrates through the circular hole in the material baffle 2, a cavity 3 is arranged in the movable die 1, the cavity 3 is fixedly connected with the lower compound plate 12, the runner 10 is connected with the cavity 3, the core 9 and the fixed die 8 form a cavity, four limiting screws 11 are arranged between the lower compound plate 12 and the movable die 1 to play a limiting role, a spring 17 is further arranged between the movable die 1 and the lower compound plate 12, and a thimble mechanism is further arranged on the lower compound plate 12 to eject the runner 10 formed by injection molding.

The blade 5 is arranged on the material baffle plate 2 and used for enabling the product to be tangent to the blade 5 so that the product can automatically fall off, and the blade is fixed by screws to move.

The utility model discloses the structure still includes hydro-cylinder 6, hydro-cylinder 6 provides the slip of drive force control slide 7, accomplishes and looses core. Each sliding seat 7 is provided with a through hole through which the inclined guide post passes, and each sliding seat 7 is penetrated by two inclined guide posts.

A limiting plate 16 is fixedly attached to the bottom of the lower compound plate 12 and fixed through screws to prevent the ejector pin mechanism from falling out;

the ejector pin mechanism comprises an ejector pin 14 and an outer spring 13 sleeved outside the ejector pin 14, the ejector pin 14 is fixed on a limiting plate 16 through a fixing screw 15, and the upper end of the ejector pin 14 is used for ejecting the injection molding flow channel 10.

The number of the springs 17 is eight, and the springs are arranged between the movable die 1 and the lower compound plate 12 to play a limiting role.

Before moulding plastics, the mould is in the closed state, stop gear (mainly refer to the spring) is in the compressed state, after injection moulding, under the effect of spring, the movable mould and the preceding die sinking of lower compound plate, stop gear (mainly refer to the spacing screw) carry on spacingly to the movable mould, continue the die sinking, make movable mould and cover half part, product, core and slider mechanism are on the movable mould, make the product float, under the drive of hydro-cylinder, through loosing core mechanism core, make the product tangent with the blade, under the effect of striker plate, the product drops automatically, thimble mechanism is ejecting injection moulding's runner, last next mould of circulation.

Through the technical scheme of the utility model, the traditional mould structure is optimized and upgraded, 1, the product arrangement is compact, the mould space is reduced, the material cost is saved, the number of cavities is doubled, and the production efficiency is greatly improved; 2. the side gate is connected with the gate through a blade cutting product, and the runner is automatically separated from the product, so that automatic shearing is realized, manual trimming of the gate of the product is not needed, the production efficiency is improved, and the manual strength is reduced. 3. Through floating technical improvement, the product has no thimble mark, and the appearance quality of the product is ensured.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a 45 degree elbow multicavity is from moving gate forming die, a serial communication port, including cover half (8), movable mould (1) and lower compound board (12), movable mould (1) cooperation sets up the lower extreme in cover half (8), lower compound board (12) set up the below in movable mould (1), be provided with runner (10) with the runner intercommunication on cover half (8), be provided with slide (7) and striker plate (2) on movable mould (1), striker plate (2) are fixed on movable mould (1) through screw (4), be provided with the round hole on striker plate (2), be connected with core (9) on slide (7), core (9) pass the round hole setting on striker plate (2), be provided with die cavity (3) in movable mould (1), die cavity (3) and lower compound board (12) are fixed to be connected with, runner (10) are connected with die cavity (3), core (9) and cover half (8) form the cavity, be provided with spacing screw (11) between lower compound board (12) and movable mould (1), play the spacing effect, still be provided with ejector spring (17) on ejector pin (12) the ejector pin (17) are used for the ejector mechanism of moulding plastics in lower compound board (12).

2. The 45-degree elbow multi-cavity automatic gate cutting forming die is characterized in that a blade (5) is arranged on the striker plate (2) and used for enabling a product to be tangent to the blade (5) so that the product can automatically fall off.

3. The 45-degree elbow multi-cavity automatic gate cutting forming die is characterized by further comprising an oil cylinder (6), wherein the oil cylinder (6) controls sliding of the sliding seat (7) to complete core pulling.

4. The 45-degree elbow multi-cavity automatic gate cutting forming die is characterized in that a limiting plate (16) is fixedly attached to the bottom of the lower compound plate (12).

5. The 45-degree-elbow multi-cavity automatic gate-cutting forming die is characterized in that the ejector pin mechanism comprises an ejector pin (14) and an outer spring (13) sleeved outside the ejector pin (14), the ejector pin (14) is fixed on the limiting plate (16) through a fixing screw (15), and the upper end of the ejector pin (14) is used for ejecting the injection-molded runner (10).

6. The 45-degree elbow multi-cavity automatic sprue cutting and forming die according to claim 1 is characterized in that four limiting screws (11) are arranged between the movable die (1) and the lower compound plate (12) to achieve a limiting effect.

7. The 45-degree elbow multi-cavity automatic gate cutting forming die is characterized in that the number of the springs (17) is eight, and the springs are arranged between the movable die (1) and the lower compound plate (12) to play a role in limiting.