CN210759011U

CN210759011U - Narrow space small-angle swing type inclined ejection mechanism of injection mold

Info

Publication number: CN210759011U
Application number: CN201921391677.7U
Authority: CN
Inventors: 牟鹏宇; 柳志敏
Original assignee: Zhejiang Changlong Lamp Co ltd
Current assignee: Zhejiang Changlong Lamp Co ltd
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-06-16
Anticipated expiration: 2029-08-26

Abstract

Small-angle swing-type sloping top mechanism in narrow space of injection mold, including upper and lower compound plates, template is set on the upper compound plate, mold inserts are set in the fixed template, and die feet, upper ejector plate, and lower ejector pins are set on the lower compound plate Plate and thimble, a movable mold insert is set on the movable template on the die foot, a plastic part is arranged between the movable die insert and the fixed die insert, and the side wall of the plastic part is made with more than two inverted buttons, the upper and lower thimbles are A base is arranged between the plates, and two connecting plates, front and rear, are made on the base. A groove is formed between the two connecting plates. A swing rod is arranged in the groove. The movable template and the movable mold insert are matched with the inverted buckle, the upper end side wall of the swing rod is provided with a boss, and a swing groove is formed under the boss, and the movable template is provided with a guide insert, and the side wall of the guide insert is located at the reverse side of the plastic part. A lower inclined guide surface is formed on the same side, and an upper inclined guide surface is formed on the side wall of the swing rod. After the plastic part is ejected, the upper inclined guide surface of the swing rod is matched with the lower inclined guide surface of the guide insert.

Description

Narrow space small-angle swing type inclined ejection mechanism of injection mold

Technical Field

The utility model relates to an injection mold especially relates to injection mold narrow space small-angle swing pushes up mechanism to one side.

Background

If the lateral wall system of working of plastics has the back-off structure in injection mold, prior art is usually through the slide, slider and oblique ejector pin combination, by oblique ejector pin when upwards ejecting the working of plastics, and the slope is to one side removal and deviate from the back-off structure of working of plastics gradually, if the working of plastics among the injection mold is small, long, narrow, and the outer wall system of working of plastics has a plurality of back-offs, if adopt oblique ejector pin structure ejecting, then do not have enough space installation oblique ejector pin in the injection mold, lead to mutual interference between each oblique ejector pin, consequently prior art can't carry out the drawing of patterns to this type of working of plastics.

Disclosure of Invention

The utility model aims at overcoming the shortcoming that prior art exists, provide a space that ejecting structure shared in the reduction mould, be favorable to deviating from the back-off structure, simple structure makes convenient injection mold narrow space small-angle swing type pushes up mechanism to one side.

The utility model discloses injection mold narrow space small-angle swing type pushes up technical scheme of mechanism to one side is: the plastic part injection molding device comprises an upper compound plate and a lower compound plate, wherein a fixed die plate is arranged on the upper compound plate, a fixed die insert is arranged in the fixed die plate, die feet are arranged on the lower compound plate, an upper thimble plate, a lower thimble plate and an ejector pin are arranged on the lower compound plate between the die feet, a movable die plate is arranged on the die feet, a movable die insert is arranged on the movable die plate, an injection molding plastic part is arranged between the movable die insert and the fixed die insert, more than two reverse buckles are arranged on the side wall of the plastic part, a base is arranged between the upper thimble plate and the lower thimble plate, a front connecting plate and a rear connecting plate are arranged on the base, a groove is formed between the front connecting plate and the rear connecting plate, a swing rod is arranged in the groove, the lower end of the swing rod is rotatably connected with the front connecting plate and the rear connecting plate through a rotating shaft, the upper end of the swing rod penetrates through the movable die plate, the guide insert is close to the oscillating rod, the guide insert is fixed with the movable mold plate through a fastener, a lower inclined guide surface is arranged on the side wall of the guide insert, which is positioned on the reverse buckle of the plastic part, an upper inclined guide surface is arranged on the side wall of the oscillating rod, and after the plastic part is ejected, the upper inclined guide surface of the oscillating rod is matched with the lower inclined guide surface of the guide insert.

The utility model discloses a narrow space small-angle swing type of injection mold pushes up mechanism to one side, after working of plastics injection moulding, mould driven die board and fixed die plate department die sinking, by last, down the thimble board drives thimble and base rebound, the thimble pushes up injection moulding's vertical upwards of working of plastics, make the working of plastics deviate from the movable mould and insert, and the base drives the vertical rebound of swinging arms, the back-off that the working of plastics was followed to the head of swinging arms moves upwards, when the last scarf rebound of swinging arms lateral wall contacts with the lower scarf of direction mold insert lateral wall, the movable mould is also deviate from to the boss of swinging arms head, the swing action for the swinging arms leaves the space, the swinging arms is last, under the guide effect of lower scarf, the incline direction round pivot to one side swing along this scarf, the back-off that makes the swinging arms deviate from inserts. This scheme injection mold narrow space small-angle oscillating pushes up mechanism to one side utilizes the back-off structure of working of plastics that the cooperation of swinging arms and direction mold insert is deviate from, and its swing angle is little, and it is few to occupy the mould inner space, is applicable to small, long, narrow, and the periphery has the working of plastics of a plurality of backs, makes this type of working of plastics can the drawing of patterns smoothly.

The utility model discloses injection mold narrow space small-angle swing pushes up mechanism to one side, the upper portion of swinging arms and the corresponding one side outer wall system of back-off of working of plastics have the face that resets to one side, and the face that resets to one side is inserted with the movable mould and is matched with. When the die assembly is reset, the swing rod is contacted with the movable die insert through the inclined reset surface, and the swing rod is pushed to return to a vertical state under the guiding action of the inclined reset surface.

Drawings

FIG. 1 is a schematic structural diagram of a narrow-space small-angle swing type lifter mechanism of an injection mold;

FIG. 2 is a schematic structural diagram of the upper ejector plate, the lower ejector plate, the base, the oscillating rod, the guide insert, the movable mold insert and the plastic part in a matched state;

FIG. 3 is a schematic structural view of the plastic member in a straight jacking state by the upper ejector plate, the lower ejector plate, the base and the swing rod;

FIG. 4 is a schematic structural view of the inverted state of the swinging lever swinging out of the plastic part;

FIG. 5 is a perspective view of a plurality of sets of bases, oscillating bars, guide inserts, and plastic parts in a mated state;

FIG. 6 is a perspective view of the base, the oscillating rod and the guiding insert in a fitted state;

fig. 7 is a perspective view of a plastic part.

Detailed Description

The utility model relates to an injection mold narrow space small-angle oscillating mechanism that pushes up to one side, as shown in FIG. 1-FIG. 7, including last compoboard 1 and lower compoboard 2, set up fixed die plate 3 on going up the compoboard, set up the cover half in the fixed die plate and insert 4, set up mold foot 5 on the compoboard down, set up thimble board 6 on the lower compoboard between the mold foot, thimble board 7 and thimble 8 down, set up movable mould board 9 on the mold foot, set up the movable mould on the movable mould board and insert 10, the movable mould inserts and has injection moulding's working of plastics 11 between inserting with the cover half, the lateral wall system of working of plastics has back-off 12 more than two, its characterized in that: a base 13 is arranged between the upper ejector plate 6 and the lower ejector plate 7, a front connecting plate and a rear connecting plate 14 are arranged on the base, a groove is formed between the front connecting plate and the rear connecting plate, a swing rod 15 is arranged in the groove, the lower end of the swing rod is rotationally connected with the front connecting plate 14 and the rear connecting plate 14 through a rotating shaft 16, the upper end of the swing rod passes through the movable template 9 and the movable die insert 10 to be matched with the back-off 12 at one side of the plastic part 11, a boss 30 is arranged on the side wall of the upper end of the swing rod, a swing groove 31 is formed below the boss, a guide insert 17 is arranged below the movable mould plate 9, the guide insert is close to the swing rod 15 and is fixed with the movable mould plate through a fastener, a lower inclined guide surface 18 is arranged on the side wall of the guide insert which is positioned on the same side of the plastic part back-off 12, an upper inclined guide surface 19 is formed on the side wall of the oscillating rod, and after the plastic part is ejected, the upper inclined guide surface of the oscillating rod is matched with the lower inclined guide surface of the guide insert 17. After the plastic part 11 is injection molded, the driven template 9 and the fixed template 3 of the mold are opened, the ejector pins 8 and the base 13 are driven by the upper and lower

ejector pin plates

6 and 7 to move upwards, the ejector pins 8 vertically eject the injection molded plastic part 11 upwards to enable the plastic part to be separated from the movable mold insert 10, the base 13 drives the oscillating rod 15 to vertically move upwards, the head of the oscillating rod moves upwards along with the undercut 12 of the plastic part 11, when the upper inclined guide surface 19 of the side wall of the oscillating rod 15 moves upwards to be in contact with the lower inclined guide surface 18 of the side wall of the guide insert 17, the boss 30 of the head of the oscillating rod also separates from the movable mold insert 10 to leave a space for the swinging motion of the plastic part 15, and the oscillating rod swings around the rotating shaft 16 to one side along the inclined direction of the inclined guide surface under the guiding action of the upper and lower

inclined guide surfaces

19 and 18, so that the oscillating rod 15 is separated from. This scheme injection mold narrow space small-angle oscillating pushes up mechanism to one side utilizes the cooperation of swinging arms 15 and direction mold insert 17 to deviate from the 12 structures of back-off of working of plastics 11, and its swing angle is little, and it is few to occupy the mould inner space, is applicable to small, long, narrow, and the periphery has the working of plastics of a plurality of back-offs, makes this type of working of plastics can the drawing of patterns smoothly. An inclined reset surface 22 is formed on the outer wall of one side of the upper part of the swing rod 15 corresponding to the back-off 12 of the plastic part 11, and the inclined reset surface is matched with the movable die insert 10. When the mold closing is reset, the swing rod 15 is contacted with the movable mold insert 10 through the inclined reset surface 22, and the swing rod 15 is pushed to be reset to the vertical state under the guiding action of the inclined reset surface.

Claims

1. The small-angle swinging inclined top mechanism in the narrow space of the injection mold, including the upper compound plate (1) and the lower compound plate (2), the upper compound plate is provided with a fixed plate (3), and the fixed plate is set with a fixed mold insert (4). ), set the die feet (5) on the lower compound plate, set the upper ejector plate (6), the lower ejector plate (7) and the ejector pin (8) on the lower compound plate between the die feet, and set the moving template (9) on the die feet ), a movable die insert (10) is arranged on the movable die plate, an injection molded plastic part (11) is arranged between the movable die insert and the fixed die insert, and the side wall of the plastic part is provided with two or more undercuts (12) , which is characterized in that a base (13) is arranged between the upper thimble plate (6) and the lower thimble plate (7), and two front and rear connecting plates (14) are formed on the base, and the front and rear two connecting plates are formed between the two connecting plates. A groove, a swing rod (15) is arranged in the groove, the lower end of the swing rod is rotatably connected with the front and rear connecting plates (14) through the rotating shaft (16), and the upper end of the swing rod passes through the movable template (9) and the movable mold insert. The block (10) is matched with the upside-down buckle (12) on one side of the plastic part (11), the upper end side wall of the swing rod is provided with a boss (30), and a swing groove (31) is formed under the boss. 9) A guide insert (17) is arranged at the bottom, the guide insert is close to the swing rod (15), the guide insert is fixed with the movable template by the fastener, and the side wall of the guide insert is located at the side of the plastic part upside down (12). A lower inclined guide surface (18) is formed on the same side, and an upper inclined guide surface (19) is formed on the side wall of the swing rod. Compatible with the inclined guide surface.

2. The small-angle swing-type lifter mechanism for a narrow space of an injection mold according to claim 1, characterized in that: the upper part of the swing rod (15) corresponds to an upside-down buckle (12) of the plastic part (11). The side outer wall is provided with an oblique reset surface (22), and the oblique reset surface is matched with the movable mold insert (10).