CN218749053U

CN218749053U - Inner sliding block core pulling mechanism of injection mold

Info

Publication number: CN218749053U
Application number: CN202223111615.0U
Authority: CN
Inventors: 刘忠伟; 宋振宇
Original assignee: Dalian Lisong Mold Technology Co ltd
Current assignee: Dalian Lisong Mold Technology Co ltd
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-03-28
Anticipated expiration: 2032-11-17

Abstract

The utility model belongs to the technical field of injection mold mechanism of loosing core technique and specifically relates to an injection mold's interior slider mechanism of loosing core, including the bed die, the top inner wall clearance fit of bed die has last mould, the one end of going up the mould and the one end fixed connection of straight board, bottom one side fixedly connected with round bar of straight board, one side below fixedly connected with bent plate of bed die, through bottom plate, bed die, last mould, feed inlet, shell, straight board, bent plate, slider, annular slab, round bar and the cooperation of structure of loosing core, the round bar atress moves down, and the round bar drives the sloping block inward movement, and the sloping block drives the annular slab inward movement, and the annular slab drives the body of rod inward movement, and the pulley leads the body of rod, and when the round bar upward movement, the spring drives the annular slab outward movement, and then makes the body of rod outward movement, and then realize the work of loosing core, improves the smooth-going forward nature of body of rod movement, avoids appearing the card when the body of rod movement, influences work.

Description

Inner sliding block core pulling mechanism of injection mold

Technical Field

The utility model relates to an injection mold mechanism technical field of loosing core specifically is an injection mold's interior slider mechanism of loosing core.

Background

The mold is used for obtaining various molds and tools of required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production, and when a through hole is formed in the side face of a workpiece in the injection mold, a core-pulling structure is required.

The side has the work piece of through-hole at the production side, the body of rod is inserted in the die cavity from the side of bed die, and then after raw materials cooling shaping, just formed the through-hole on the work piece, when taking out the work piece, need outwards move the body of rod from the die cavity, just so can take out the work piece smoothly, because the body of rod is clearance fit's relation with the side inner wall of bed die, and then when the body of rod atress is inside and outside to be removed, the body of rod is not smooth enough, and then leads to the body of rod card to pause easily, the work of loosing core is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the smoothness of the movement of the rod body is poor in the prior art, the rod body is easy to block when moving, the defect of core pulling is influenced, and the provided inner slide block core pulling mechanism of the injection mold is provided.

In order to achieve the above object, the utility model provides a following technical scheme:

the design is an inner slide block core-pulling mechanism of an injection mold, which comprises a lower mold, wherein the top inner wall of the lower mold is in clearance fit with an upper mold, one end of the upper mold is fixedly connected with one end of a straight plate, one side of the bottom of the straight plate is fixedly connected with a round bar, one side of the lower mold is fixedly connected with a curved plate, a slide block is fixedly connected with the upper part of the front end face of the curved plate, the outer wall of the slide block is connected with a ring-shaped plate in a sliding and clamping manner, and a core-pulling structure is arranged on one side of the ring-shaped plate.

Preferably, the structure of loosing core includes the body of rod, riser, sloping block, pulley and spring, the one end of spring and the inner wall one end fixed connection of annular slab, the other end of spring and the one end fixed connection of slider, one side of spring is equipped with the sloping block, the bottom of sloping block and the top fixed connection of annular slab, the top of sloping block is laminated with the bottom of round bar, one side of sloping block is equipped with the body of rod, the outer wall of the body of rod and one side below inner wall clearance fit of bed die, the laminating of outer wall one side of the body of rod has the pulley, the preceding terminal surface of pulley rotates through the round pin axle and is connected with the riser, the one end of riser and one side below inner wall fixed connection of bed die.

Preferably, the bottom of the lower die is fixedly connected with a bottom plate.

Preferably, the top of the upper die is provided with a feed inlet.

Preferably, one side of the top of the bottom plate is fixedly connected with a shell, and one end of the shell is fixedly connected with one end of the lower die.

The utility model provides an injection mold's interior slider mechanism of loosing core, beneficial effect lies in: through the bottom plate, the bed die, go up the mould, the feed inlet, and a housing, straight board, the bent plate, the slider, the annular slab, round bar and the cooperation of structure of loosing core, make the device when using, can be through round bar atress downstream, the round bar drives the sloping inwards-moving, the sloping drives the annular slab inwards-moving, the annular slab drives the body of rod inwards-moving, the pulley leads the body of rod, when round bar rebound, the spring drives the annular slab outwards to remove, and then make the body of rod outwards remove, and then realize the work of loosing core, improve the ride comfort that the body of rod removed, avoid appearing the card when the body of rod removes and pause, the influence work of loosing core.

Drawings

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

FIG. 2 is a schematic view of the structure of the bottom plate, the upper mold and the lower mold of the present invention;

FIG. 3 is a schematic structural view of the curved plate, the sliding block and the annular plate of the present invention;

FIG. 4 is a schematic view of the structure of the rod body, the vertical block and the pulley of the present invention;

fig. 5 is a schematic structural view of the straight plate, the round bar and the sloping block of the present invention.

In the figure: 1. the core-pulling mechanism comprises a bottom plate, 2, a core-pulling structure, 201, a rod body, 202, a vertical block, 203, an inclined block, 204, a pulley, 205, a spring, 3, a lower die, 4, an upper die, 5, a feeding hole, 6, a shell, 7, a straight plate, 8, a curved plate, 9, a sliding block, 10, an annular plate, 11 and a round rod.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

referring to figures 1-5: in the embodiment, an injection mold's interior slider mechanism of loosing core, including bed die 3, bed die 3's top inner wall clearance fit has last mould 4, the one end of going up mould 4 and the one end fixed connection of straight board 7, bottom one side fixedly connected with round bar 11 of straight board 7, one side below fixedly connected with bent plate 8 of bed die 3, bent plate 8's preceding terminal surface top fixedly connected with slider 9, slider 9's outer wall slip joint has annular slab 10, slider 9 plays limiting displacement to annular slab 10, bed die 3's bottom fixedly connected with bottom plate 1, bottom plate 1 plays the supporting role to bed die 3, the top processing of going up mould 4 has feed inlet 5, feed inlet 5 is used for pouring into the raw materials into, top one side fixedly connected with shell 6 of bottom plate 1, bottom plate 1 plays the supporting role to shell 6, the one end of shell 6 and the one end fixed connection of bed die 3, one side of annular slab 10 is equipped with structure of loosing core 2, improve the ride comfort that the body of rod 201 removed, the card appears when avoiding the body of rod 201 to move, influence the work of loosing core.

Referring to fig. 2-5, the core pulling structure 2 includes a rod 201, a vertical block 202, an inclined block 203, a pulley 204 and a spring 205, one end of the spring 205 is fixedly connected with one end of the inner wall of the annular plate 10, the spring 205 provides an outward force to the annular plate 10, the other end of the spring 205 is fixedly connected with one end of the slider 9, one side of the spring 205 is provided with the inclined block 203, the bottom of the inclined block 203 is fixedly connected with the top of the annular plate 10, the top of the inclined block 203 is attached to the bottom of the round bar 11, the round bar 11 can be driven to move inward when being forced to move downward, one side of the inclined block 203 is provided with the rod 201, the outer wall of the rod 201 is in clearance fit with the inner wall below one side of the lower mold 3, one side of the outer wall of the rod 201 is attached with the pulley 204, the front end face of the pulley 204 is connected with a vertical block 202 through a pin shaft in a rotating mode, the pin shaft enables the pulley 204 to rotate at the rear end of the vertical block 202 when stressed, one end of the vertical block 202 is fixedly connected with the inner wall below one side of the lower die 3, the round rod 11 is stressed to move downwards, the round rod 11 drives the inclined block 203 to move inwards, the inclined block 203 drives the annular plate 10 to move inwards, the annular plate 10 drives the rod body 201 to move inwards, the pulley 204 guides the rod body 201, when the round rod 11 moves upwards, the spring 205 drives the annular plate 10 to move outwards, the rod body 201 is further made to move outwards, core pulling work is further achieved, smoothness of movement of the rod body 201 is improved, blocking and core pulling work is prevented from being influenced when the rod body 201 moves.

The working principle is as follows:

go up 4 atress removals downwards of mould, go up mould 4 and drive straight 7 removals downwards of board, straight 7 drive round bar 11 removals downwards of board, round bar 11 drives sloping block 203 and moves inwards, sloping block 203 drives annular plate 10 and moves inwards, annular plate 10 drives body of rod 201 and moves inwards, pulley 204 leads body of rod 201, it is inside that last mould 4 gets into lower mould 3 this moment, pour into the raw materials into from feed inlet 5 after, wait for the raw materials cooling back, go up mould 4 rebound, go up mould 4 and drive straight 7 rebound of board, straight 7 drive round bar 11 and move upwards, spring 205 drives annular plate 10 and moves outwards, and then make body of rod 201 move outwards, and then realize the work of loosing core, the staff can take out the work piece this moment.

While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.

Claims

1. The utility model provides an injection mold's interior slider mechanism of loosing core, includes bed die (3), its characterized in that: the top inner wall clearance fit of bed die (3) has last mould (4), the one end of going up mould (4) and the one end fixed connection of straight board (7), bottom one side fixedly connected with round bar (11) of straight board (7), one side below fixedly connected with bent plate (8) of bed die (3), preceding terminal surface top fixedly connected with slider (9) of bent plate (8), the outer wall slip joint of slider (9) has annular slab (10), one side of annular slab (10) is equipped with loose core structure (2).

2. The inner slide block core-pulling mechanism of the injection mold according to claim 1, characterized in that: loose core structure (2) are including the body of rod (201), riser (202), sloping block (203), pulley (204) and spring (205), the one end of spring (205) and the inner wall one end fixed connection of annular plate (10), the other end of spring (205) and the one end fixed connection of slider (9), one side of spring (205) is equipped with sloping block (203), the bottom of sloping block (203) and the top fixed connection of annular plate (10), the top of sloping block (203) is laminated with the bottom of round bar (11), one side of sloping block (203) is equipped with the body of rod (201), the outer wall of the body of rod (201) and the one side below inner wall clearance fit of bed die (3), pulley (204) have been laminated to outer wall one side of the body of rod (201), the preceding terminal surface of pulley (204) is connected with riser (202) through the round pin hub rotation, the one end of riser (202) and one side below inner wall fixed connection of bed die (3).

3. The inner slide block core pulling mechanism of the injection mold according to claim 1, characterized in that: the bottom of the lower die (3) is fixedly connected with a bottom plate (1).

4. The inner slide block core pulling mechanism of the injection mold according to claim 1, characterized in that: and a feeding hole (5) is processed at the top of the upper die (4).

5. The inner slide block core pulling mechanism of an injection mold according to claim 3, characterized in that: the die is characterized in that a shell (6) is fixedly connected to one side of the top of the bottom plate (1), and one end of the shell (6) is fixedly connected with one end of the lower die (3).