CN212603140U - Core pulling mechanism for downward pulling, inclining and sliding of oil cylinder on outer side of fixed die of injection mold - Google Patents

Abstract

An oil cylinder pull-down inclined sliding core pulling mechanism outside a fixed die of an injection die comprises an upper compound plate and a lower compound plate, wherein a fixed die plate is arranged below the upper compound plate, a through hole is formed in the lower compound plate, die feet are arranged on the lower compound plate, an upper thimble plate, a lower thimble plate and a thimble are arranged on the lower compound plate between the die feet, an ejector rod of an injection machine penetrates through the through hole to be contacted with the lower thimble plate, a movable die plate is arranged on the die feet, an injection molding plastic piece is arranged between the movable die plate and the fixed die plate, a side hole is formed in the side wall of the plastic piece, a side pulling hole is formed in the fixed die plate, a side core pulling slide block is arranged in the side pulling hole, one end of the side core pulling slide block is matched with the side hole of the plastic piece, an inclined guide rail is formed in the other end of the side core pulling slide block, a fixed block is arranged on the outer wall of the fixed die plate, a, the inclined sliding groove is matched with an inclined guide rail of the side core-pulling sliding block.

Description

Core pulling mechanism for downward pulling, inclining and sliding of oil cylinder on outer side of fixed die of injection mold

Technical Field

The utility model relates to an injection mold especially relates to injection mold cover half outside hydro-cylinder draws mechanism of loosing core to one side down.

Background

In the injection mold, if the side wall of the injection molding plastic part is provided with a side hole structure, the side hole of the plastic part needs to be drawn out firstly by the side core-pulling slider when the mold is opened, so that the plastic part can be ejected and demoulded. The side core-pulling structure of the side core-pulling sliding block is generally divided into two types, one is that an inclined guide post is arranged in a fixed die plate, an inclined guide hole is arranged in the side core-pulling sliding block, the side core-pulling sliding block is driven to slide by the cooperation of the inclined guide post and the inclined guide hole when the die is opened, the structure has low manufacturing cost, but occupies the internal space of the die, if the die has a small volume or the die is internally distributed with structures such as thimbles, ejector rods, water channels and the like, the inclined guide post and the inclined guide hole structure cannot be arranged, the side core-pulling sliding block is directly driven by an oil cylinder, the oil cylinder and the side core-pulling sliding block are arranged in the same horizontal direction, the oil cylinder does not occupy the internal space of the die, but occupies the external space of the die, if the distance of the side core-pulling is longer, the oil cylinder occupies the larger transverse space outside, thereby increasing the development cost of the mold.

Disclosure of Invention

The utility model aims at overcoming the shortcoming that prior art exists, provide an hydro-cylinder and side slider of loosing core and be vertical distribution, it is few to occupy the outside horizontal space of mould, and the mould width is little, and the mould is small, reduces mould development cost's injection mold cover half outside hydro-cylinder and draws down the mechanism of loosing core to one side.

The utility model discloses injection mold cover half outside hydro-cylinder draws down smooth mechanism of loosing core to one side's technical scheme is: the injection molding machine comprises an upper compound plate and a lower compound plate, wherein a positioning ring and a sprue bushing are arranged in the upper compound plate, a fixed template is arranged below the upper compound plate, a through hole is formed in the lower compound plate, mold feet are arranged on the lower compound plate, an upper thimble plate, a lower thimble plate and a thimble are arranged on the lower compound plate between the mold feet, a thimble rod of an injection machine penetrates through the through hole to be contacted with the lower thimble plate, a movable template is arranged on the mold feet, an injection molding plastic part is arranged between the movable template and the fixed template, a side hole is formed in the side wall of the plastic part, a side drawing hole is formed in the fixed template, a side core pulling slider is arranged in the side drawing hole, one end of the side core pulling slider is matched with the side hole of the plastic part, an inclined guide rail is formed at the other end of the side core pulling slider, a fixed block is arranged on the outer wall of the fixed template, a vertically downward fixed plate is arranged below the fixed, the inclined sliding groove is matched with an inclined guide rail of the side core-pulling sliding block.

The utility model discloses an oil cylinder pull-down inclined sliding core-pulling mechanism outside a fixed die of an injection die, which is mainly characterized in that a fixed block is arranged on the outer wall of a fixed die plate, a fixed plate is arranged below the fixed block, the fixed plate and the fixed block are vertically fixed, a lifting oil cylinder is arranged at the lower end of the fixed plate, the lifting oil cylinder and the fixed plate are arranged in the horizontal direction, a piston rod of the lifting oil cylinder is connected with an inclined slider, an inclined chute of the inclined slider is matched with an inclined guide rail of a side core-pulling slider, after injection molding, the inclined slider is driven by the piston rod of the lifting oil cylinder to slide downwards, the inclined chute of the inclined slider is matched with the inclined guide rail to drive the side core-pulling slider to gradually move outwards along the inclined chute, the head part of the side core-pulling slider is led to take out a side hole of a plastic piece outwards, then a lower compound, and the upper compound plate, the fixed template, the side core-pulling slide block, the fixed plate, the inclined slide block and the lifting oil cylinder are kept still, the driven template and the fixed template of the mold are opened, and finally the ejector rod of the injection molding machine drives the upper ejector plate, the lower ejector plate and the ejector pin to eject the plastic piece subjected to side core-pulling upwards for demolding. This scheme injection mold cover half outside hydro-cylinder is drawn down and is slided mechanism of loosing core to one side, with the vertical installation of lift cylinder, lift cylinder is the vertical distribution with the side slider of loosing core, lift cylinder drives the side slider of loosing core side direction and looses core through the oblique spout and the guide rail cooperation to one side of slider, and vertical lift cylinder occupies that the outside horizontal space of mould is few, and the mould width is little, and the mould is small to need not to adopt the injection molding machine of big tonnage, reduced the development cost of mould.

The utility model discloses injection mold cover half outside hydro-cylinder is drawn down and is slided mechanism of loosing core to one side, perpendicular decurrent fixed plate inner wall sets up elevating guide, has straight guide slot at the lateral wall system of slider to one side, and straight guide slot cooperatees with elevating guide. The lifting guide rail and the straight guide groove are arranged, the guide effect is achieved on the lifting sliding of the inclined sliding block, and the stable and accurate lifting action of the inclined sliding block is guaranteed.

The side core pulling hole is provided with a limiting step, the side core pulling slide block is provided with a limiting convex block, and the limiting convex block is matched with the limiting step. The side core-pulling slide block has the advantages that the limiting convex block and the limiting step are arranged, when the die assembly is reset, the side core-pulling slide block is reset, the reset of the side core-pulling slide block plays a limiting role, and the side core-pulling slide block is prevented from being excessively reset to extrude the side wall of the movable die plate, so that the end face of the side core-pulling slide block is extruded and.

Drawings

FIG. 1 is a schematic structural view of a mold closing state of a downward-pulling inclined-sliding core-pulling mechanism of an oil cylinder outside a fixed mold of the injection mold of the present invention;

FIG. 2 is a schematic structural view of a side core-pulling state of a side core-pulling slider of a downward-pulling inclined-sliding core-pulling mechanism of an oil cylinder outside a fixed mold of the injection mold of the present invention;

fig. 3 is the utility model discloses injection mold cover half outside hydro-cylinder draws down die sinking state structure sketch map of mechanism of loosing core to one side.

Detailed Description

The utility model relates to an oil cylinder downward-pulling inclined-sliding core-pulling mechanism outside a fixed die of an injection die, as shown in figures 1-3, comprising an upper compound plate 1 and a lower compound plate 2, a positioning ring 3 and a sprue bush 4 are arranged in the upper compound plate, a fixed die plate 5 is arranged under the upper compound plate, a perforation 6 is arranged in the lower compound plate 2, a die foot 7 is arranged on the lower compound plate, an upper thimble plate 8, a lower thimble plate 9 and a thimble 10 are arranged on the lower compound plate between the die feet, an ejector 11 of the injection machine penetrates through the perforation 6 to be contacted with the lower thimble plate 9, a movable die plate 12 is arranged on the die foot 7, an injection-molded plastic piece 13 is arranged between the movable die plate and the fixed die plate 5, a side hole 14 is arranged on the side wall of the plastic piece, a side pulling hole 15 is arranged in the fixed die plate 5, a side pulling slide block 16 is arranged in the side pulling hole, one end of the side pulling slide block is matched with the side hole 14 of the, the outer wall of the fixed die plate 5 is provided with a fixed block 18, a vertically downward fixed plate 19 is arranged below the fixed block, the lower end of the fixed plate is provided with a lifting oil cylinder 20, a piston rod of the lifting oil cylinder is connected with an inclined slide block 21, one side of the inclined slide block is provided with an inclined slide groove 22, and the inclined slide groove is matched with an inclined guide rail 17 of the side core-pulling slide block 16. The outer wall of a fixed template 5 is provided with a fixed block 18, a fixed plate 19 is arranged below the fixed block, the fixed plate and the fixed block are vertically fixed, the lower end of the fixed plate is provided with a lifting oil cylinder 20, the lifting oil cylinder and the fixed plate 19 are horizontally arranged, a piston rod of the lifting oil cylinder 20 is connected with an inclined slide block 21, an inclined slide groove 22 of the inclined slide block is matched with an inclined guide rail 17 of a side core-pulling slide block 16, after plastic parts are injection molded, the piston rod of the lifting oil cylinder 20 drives the inclined slide block 21 to downwards slide, the inclined slide groove 22 of the inclined slide block is matched with the inclined guide rail 17 to drive the side core-pulling slide block 16 to gradually outwards move along the inclined slide groove 22, so that the head of the side core-pulling slide block 16 outwards draws out a side hole 14 of the plastic part 13, and then an injection molding machine drives a lower replica 2, mold feet 7, an upper thimble plate 8, The fixed die plate 5, the side core-pulling slide block 16, the fixed block 18, the fixed plate 19, the inclined slide block 21 and the lifting oil cylinder 20 are kept still, the die is opened at the position of the driven die plate 12 and the fixed die plate 5, and finally the upper ejector plate 8, the lower ejector plate 9 and the ejector pin 10 are driven by the ejector rod 11 of the injection molding machine to eject the plastic part 13 which is subjected to side core pulling upwards for demolding. This scheme injection mold cover half outside hydro-cylinder is drawn down and is slided mechanism of loosing core to one side, with the vertical installation of lift cylinder 20, lift cylinder is the vertical distribution with side slider 16 of loosing core, lift cylinder drives side slider of loosing core side direction through oblique spout 22 and the cooperation of oblique guide rail 17 of slider 21 to one side, and vertical lift cylinder 20 occupies that the outside horizontal space of mould is few, and the mould width is little, and the mould is small to need not to adopt the injection molding machine of big tonnage, reduced the development cost of mould. The inner wall of the vertical downward fixed plate 19 is provided with a lifting guide rail 23, and the side wall of the inclined slide block 21 is provided with a straight guide groove 24 which is matched with the lifting guide rail. The lifting guide rail 23 and the straight guide groove 24 are arranged, so that the lifting sliding of the inclined slide block 21 is guided, and the stable and accurate lifting action of the inclined slide block is ensured. The side core-pulling hole 15 is provided with a limit step 25, the side core-pulling slide block 16 is provided with a limit lug 26, and the limit lug is matched with the limit step. With the limiting convex block 26 and the limiting step 25, when the side core-pulling slide block 16 is subjected to die closing reset, the reset of the side core-pulling slide block plays a limiting role, and the side core-pulling slide block is prevented from being excessively reset to extrude the side wall of the movable die plate 12, so that the end face of the side core-pulling slide block 16 is prevented from being extruded and deformed.

Claims (3)

1. Injection mold cover half outside hydro-cylinder draws mechanism of sliding to one side down, including compound board (1) and lower compound board (2), set up position circle (3) and sprue bush (4) in going up the compound board, it sets up fixed die plate (5) down to go up the compound board, it has perforation (6) to open in compound board (2) down, set up on the compound board down mould foot (7), thimble board (8) are gone up to setting up on the lower compound board between the mould foot, thimble board (9) and thimble (10) down, injection machine ejector pin (11) are passed perforation (6) and are contacted with thimble board (9) down, set up movable mould board (12) on mould foot (7), there are injection moulding's working of plastics (13) between movable mould board and fixed die plate (5), the lateral wall system of working of plastics has side opening (14), its characterized in that: the side core-pulling mechanism is characterized in that a side core-pulling hole (15) is formed in the fixed die plate (5), a side core-pulling slider (16) is arranged in the side core-pulling hole, one end of the side core-pulling slider is matched with a side hole (14) of a plastic part (13), an inclined guide rail (17) is manufactured at the other end of the side core-pulling slider, a fixed block (18) is arranged on the outer wall of the fixed die plate (5), a vertical downward fixed plate (19) is arranged below the fixed block, a lifting oil cylinder (20) is installed at the lower end of the fixed plate, a piston rod of the lifting oil cylinder is connected with the inclined slider (21), an inclined sliding groove (22) is manufactured at one.

2. The injection mold fixed mold outside oil cylinder downward-pulling inclined core-pulling mechanism as set forth in claim 1, characterized in that: and a lifting guide rail (23) is arranged on the inner wall of the vertical downward fixing plate (19), a straight guide groove (24) is formed in the side wall of the inclined sliding block (21), and the straight guide groove is matched with the lifting guide rail.

3. The injection mold fixed mold outside oil cylinder downward-pulling inclined core-pulling mechanism as set forth in claim 1, characterized in that: the side core pulling hole (15) is internally provided with a limiting step (25), the side core pulling slide block (16) is provided with a limiting convex block (26), and the limiting convex block is matched with the limiting step.

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