CN108454031B

CN108454031B - Sliding block withdrawing mechanism

Info

Publication number: CN108454031B
Application number: CN201710089125.XA
Authority: CN
Inventors: 吴永兴; 曾桂桥
Original assignee: Mitac Precision Technology Kunshan Ltd
Current assignee: Mitac Precision Technology Kunshan Ltd
Priority date: 2017-02-20
Filing date: 2017-02-20
Publication date: 2021-05-11
Anticipated expiration: 2037-02-20
Also published as: CN108454031A

Abstract

The utility model provides a slider exit mechanism, its shaping has the product of back-off in being applied to the mould, the mould includes an upper fixed plate, stripper plate, cavity board, cavity mould benevolence, core mould benevolence and core mould board, and this slider exit mechanism includes: the stripping block is arranged in the mother template; the upper end of the first drag hook is fixed in the upper fixing plate, and the lower end of the first drag hook is provided with a first hook-shaped structure; the lower end of the second drag hook is movably fixed in the stripping block, and the upper end of the second drag hook is provided with a second hook-shaped structure which is mutually hooked with the first hook-shaped structure; one end of the stop block is fixed on the female die plate; and the sliding block insert is arranged in the female template, and one end of the sliding block insert is matched with the reverse buckle of the molded product. By utilizing the sliding block withdrawing mechanism, the mechanical arm can be quickly taken out of the flow channel, so that the operation time is saved, and the production efficiency is improved.

Description

Sliding block withdrawing mechanism

[ technical field ] A method for producing a semiconductor device

The invention relates to an ejection structure of a mold, in particular to a sliding block withdrawing mechanism.

[ background of the invention ]

Referring to fig. 1, fig. 1 is a schematic structural diagram of a product. The product 200 has a plurality of undercuts 210, and when injection molding the product, an ejection mechanism is typically used to mold the undercuts 210. Referring to fig. 2 again, fig. 2 is a schematic partial structure diagram of an eject mechanism. As shown in fig. 2, the withdrawing mechanism 300 for molding the undercut 210 of the product 200 by using a three-plate mold structure includes an upper fixing plate 310, a stripper plate 320, a cavity plate 330, a cavity core 340, a core insert 350, a core plate 360, a stripper block 370 and a runner 380, wherein the stripper block 350 is fixed on the upper fixing plate 310.

However, when the withdrawing mechanism 300 is opened, since the stripping block 370 in the female mold plate 330 is connected to the mountain fixing plate 310, and when the length of the stripping block 370 is too long, a sufficient space needs to be reserved for the robot to take out the flow channel 380, otherwise the stripping block 370 may obstruct the robot from taking out the flow channel 380, which may not achieve mechanized production, however, this design may increase production cost.

In view of the above, it is actually necessary to develop a slider withdrawing mechanism to solve the problem that the stripping block in the withdrawing mechanism is too long to take out the runner, and to reduce the production cost.

[ summary of the invention ]

Therefore, the invention aims to provide a slide block withdrawing mechanism which can solve the problem that the flow channel can not be taken out due to the fact that stripping blocks are too long.

In order to achieve the above object, the present invention provides a slide block withdrawing mechanism applied to a mold for molding a product having an undercut, wherein the mold comprises an upper fixing plate, a stripper plate, a cavity insert, a core insert and a core plate, and the slide block withdrawing mechanism comprises:

the stripping block is arranged in the female template;

the upper end of the first drag hook is fixed in the upper fixing plate, and the lower end of the first drag hook is provided with a first hook-shaped structure;

the lower end of the second drag hook is movably fixed in the stripping block, and the upper end of the second drag hook is provided with a second hook-shaped structure which is mutually hooked with the first hook-shaped structure;

one end of the stop block is fixed on the female die plate;

and the sliding block insert is arranged in the female template, and one end of the sliding block insert is matched with the reverse buckle of the molded product.

Optionally, the lower end of the second draw hook is also provided with an inclined plane.

Optionally, the second retractor is movably fixed in the stripping block through a round shaft.

Optionally, the lower end of the stripping block is also provided with an inclined structure, and the inclined structure abuts against the other end of the sliding block insert.

Optionally, the first hook-shaped knot and the second hook-shaped knot are L-shaped.

Optionally, a first elastic element is further arranged between the second draw hook and the stripping block.

Optionally, one end of the slider insert is further provided with a second elastic element.

Optionally, the first elastic element and the second elastic element are springs.

Compared with the prior art, the slide block withdrawing mechanism disclosed by the invention has the advantages that when the mold is opened, the first drag hook and the second drag hook are matched with each other to pull up the stripping block, then the first drag hook and the second drag hook are separated through the blocking of the stop block, even if the stripping block stays in the female mold plate, the mold is opened again to realize the purpose that the mechanical arm can rapidly take out the runner, so that the operation time is saved, and the production efficiency is improved.

[ description of the drawings ]

Fig. 1 shows a schematic structure of a product.

Fig. 2 is a partial schematic view of an eject mechanism.

FIG. 3 is a schematic structural diagram of the slide ejecting mechanism in a clamping state according to the present invention.

FIG. 4 is a schematic structural diagram of the slide ejecting mechanism of the present invention in a half-open state.

[ detailed description ] embodiments

Referring to fig. 3, fig. 3 is a schematic structural view illustrating the slide ejecting mechanism of the present invention in a mold clamping state.

The present invention relates to a slide block withdrawing mechanism 100, which is applied to a mold for molding a product 200 having an undercut, the mold including an upper fixing plate 110, a stripper plate 120, a cavity plate 130, a cavity 140, a core 150, and a core plate 160, the slide block withdrawing mechanism 100 including:

a stripper 170 disposed in the master template 130;

a first hook 111 having an upper end fixed in the upper fixing plate 110 and a lower end having a first hook structure 112;

a second hook 171, the lower end of which is movably fixed in the stripper 170, and the upper end of which has a second hook structure 172, the second hook structure 172 is hooked with the first hook structure 112;

a stopper 131 having one end fixed to the female mold plate 130;

and a slider insert 180 disposed in the female mold plate 130, wherein one end of the slider insert 180 is matched with the reverse buckle of the molded product 200.

In this embodiment, the lower end of the second hook 171 further has a slope, and the slope cooperates with the stop 131 to separate the second hook 172 from the first hook 112.

In this embodiment, the second hook 171 is movably fixed in the stripper 170 by a circular shaft 174.

In this embodiment, the lower end of the stripping block 170 further has an inclined structure, and the inclined structure abuts against the other end of the slider insert 180.

In this embodiment, the first hook-shaped knot 112 and the second hook-shaped knot 172 are L-shaped.

In this embodiment, a first elastic element 173 is further disposed between the second hook 171 and the stripping block 170.

In this embodiment, one end of the slider insert 180 is further provided with a second elastic element 181.

In this embodiment, the first elastic element 173 and the second elastic element 181 are springs.

Referring to fig. 4, fig. 4 is a schematic structural diagram of the slider ejection mechanism in a half-open state according to the present invention. After the product 200 is formed, the mold is opened, the first draw hook 111 on the upper fixing plate 110 drives the second draw hook 171 to move upwards, so as to drive the stripping block 170 to move upwards, after the upper fixing plate 110 moves for a certain distance, the inclined structure of the stripping block 170 is separated from the sliding block insert 180, and the sliding block insert 180 is ejected by the compressed second elastic element 181, so as to withdraw the back-off of the product 200; then, when the first hook 111 continues to drive the second hook 171 to move upwards to the stop 131, the stop 131 abuts against the inclined surface at the lower end of the second hook 171, so that the second hook 171 inclines towards the stop 131, the compressed first elastic element 173 springs out the second hook-shaped structure 172, the second hook-shaped structure 172 is separated from the first hook-shaped structure 112, and then the stripping block 170 falls into the mother template; finally, the upper fixing plate 110 continues to move upward, and the robot arm can rapidly take out the flow channel without the obstruction of the stripping block 170.

Compared with the prior art, the slide block withdrawing mechanism disclosed by the invention has the advantages that when the mold is opened, the first drag hook 111 and the second drag hook 171 are matched with each other firstly, so that the stripping block 170 is pulled up by the first drag hook 111, then the first drag hook 111 and the second drag hook 171 are separated by the blocking of the stop block 131, even if the stripping block 170 stays in the female mold plate 130, the mold is opened continuously, and then the manipulator can rapidly take out the runner, so that the operation time is saved, and the production efficiency is improved.

It should be noted that the present invention is not limited to the above embodiments, and any simple modification, equivalent change and modification made to the above embodiments by those skilled in the art based on the technical solution of the present invention fall within the protection scope of the present invention.

Claims

1. The utility model provides a slider exit mechanism, its shaping has the product of back-off in being applied to the mould, the mould includes upper fixed plate, stripper plate, cavity board, cavity mould benevolence, core mould benevolence and core mould board, its characterized in that, slider exit mechanism includes:

the stripping block is arranged in the female template;

the lower end of the second drag hook is movably fixed in the stripping block, the upper end of the second drag hook is provided with a second hook-shaped structure, the second hook-shaped structure is mutually hooked with the first hook-shaped structure, the lower end of the second drag hook is also provided with an inclined plane, and a first elastic element is arranged between the second drag hook and the stripping block;

one end of the stop block is fixed on the female die plate, and the stop block is matched with the inclined plane to separate the second hook-shaped structure from the first hook-shaped structure;

the slider goes into son, it sets up in among the female die plate, the back-off of the product is moulded in the cooperation of this slider one end of going into son, the other end that the slider goes into son still is equipped with second elastic element, wherein the slider goes into son compressed second elastic element and pops out to make the slider goes into son and withdraws from the back-off of product.

2. The slide eject mechanism of claim 1 wherein the second retractor is movably mounted in the stripper by a circular shaft.

3. The slider exit mechanism of claim 1 wherein the lower end of the stripper further comprises a ramp structure that abuts the other end of the slider insert.

4. The slider exit mechanism of claim 1 wherein the first and second hook formations are L-shaped.

5. The slider exit mechanism of claim 1, wherein the first and second resilient elements are springs.