CN210679495U

CN210679495U - Slide block and thimble anti-collision mechanism

Info

Publication number: CN210679495U
Application number: CN201921490614.7U
Authority: CN
Inventors: 曾兴隆; 房亮
Original assignee: Wuxi Ruilang Technology Co Ltd
Current assignee: Wuxi Ruilang Technology Co Ltd
Priority date: 2019-09-09
Filing date: 2019-09-09
Publication date: 2020-06-05
Anticipated expiration: 2029-09-09

Abstract

The utility model provides a slider and thimble anticollision institution, it can be used for protecting shaping thimble and slider mold insert, avoids them to be bumped when the thimble board can't correctly reset. It includes mould and lower mould, it includes mould mold insert, oblique guide pillar and latch segment to go up the mould, the lower mould includes bottom plate, mould foot, thimble board, lower mould benevolence, lower mould mold insert, slider mold insert and slider seat, the last position for the die cavity of thimble board is equipped with the shaping thimble, still be equipped with crashproof thimble on the thimble board, offer on the slider seat and be used for the guide pillar groove that the oblique guide pillar passes through, offer on the lower mould benevolence and be used for dodging when the compound die the groove of dodging of oblique guide pillar, its characterized in that: the sliding block seat is also provided with an anti-collision hole for the anti-collision thimble to extend into; still seted up the holding tank on the lower mould benevolence, there is the stopper through spring coupling in the holding tank, slider seat bottom seted up with stopper complex spacing groove.

Description

Slide block and thimble anti-collision mechanism

Technical Field

The utility model relates to an injection mold technical field specifically is a slider and thimble anticollision institution.

Background

Sometimes, an injection mold needs to use a sliding block to form an injection mold cavity, a product is formed by injecting raw materials into the mold cavity, the product is ejected out of the mold cavity through an ejector pin, sometimes, the sliding block may be located on a path where the ejector pin is ejected, the sliding block needs to be ejected out of the mold cavity first, then after the ejector pin is reset, the sliding block enters the mold cavity again, however, if the ejector pin is reset, a fault occurs, for example, the ejector pin plate is clamped, so that the ejector pin cannot be reset correctly, the side of the sliding block, which forms the mold cavity, entering the mold cavity, of the sliding block impacts the ejector pin to damage the ejector pin or the sliding block, particularly, if the side of the sliding block, which forms the mold cavity, is.

Application number 201821545403.4 discloses an injection mold with thimble ejection structure, and it includes slider seat and slider mold insert, and slider mold insert part is located the die cavity, and it still includes the thimble board, installs shaping thimble and crashproof thimble on the thimble board, and crashproof thimble can be used for blockking the slider seat when the thimble board does not reset and move ahead and avoid striking shaping thimble, but because the slider mold insert still can lead to the slider mold insert especially be located that one side of die cavity impaired because of striking crashproof thimble.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a slider and thimble anticollision institution, it can be used for protecting shaping thimble and slider mold insert, avoids them to be bumped when the thimble board can't reset correctly.

The technical scheme is as follows: the utility model provides a slider and thimble anticollision mechanism, its includes mould and lower mould, it includes mould mold insert, oblique guide pillar and latch segment to go up the mould, the lower mould includes bottom plate, mould foot, thimble board, lower mould benevolence, lower mould mold insert, slider mold insert and sliding block seat, through go up the mould mold insert lower mould mold insert with the slider mold insert forms the product die cavity, be equipped with the shaping thimble for the position of die cavity on the thimble board, still be equipped with crashproof thimble on the thimble board, offer on the sliding block seat and be used for the guide pillar groove that oblique guide pillar passes through, offer on the lower mould benevolence and be used for dodging when the compound die the groove of dodging of oblique guide pillar, its characterized in that: the sliding block seat is also provided with an anti-collision hole for the anti-collision thimble to extend into; still seted up the holding tank on the lower mould benevolence, there is the stopper through spring coupling in the holding tank, slider seat bottom seted up with stopper complex spacing groove.

It is further characterized in that:

when the die is closed, the distance between the anti-collision thimble and the anti-collision hole is equal to the distance of the slider seat moving under the action of the inclined guide post in the die opening state;

one surface of the limiting block, which is far away from the cavity, is obliquely arranged;

the limiting block is in a triangular prism shape, and the limiting groove is in a triangular prism shape;

and in the die closing state, the distance between the limiting block and the limiting groove is equal to the distance of the sliding block seat moving under the action of the inclined guide post in the die opening state.

After having adopted such structure, after the die sinking, the thimble board drives the shaping thimble ejecting with the product, prevents simultaneously that the firing pin stretches into the anticollision hole on the sliding block seat in, if the thimble board breaks down when reseing and leads to the thimble can't return to target in place, anticollision thimble still is in the anticollision hole this moment, the sliding block seat can not remove, install the slider mold insert on the sliding block seat correspondingly just can not remove, just also avoid slider mold insert and shaping thimble or anticollision thimble collision, just also can protect the slider mold insert when just can protecting the shaping thimble.

Drawings

FIG. 1 is a schematic view of the present invention in a mold closing state;

FIG. 2 is an enlarged schematic view of FIG. 1 at A;

fig. 3 is a schematic view of the utility model in the mold opening state.

Detailed Description

As shown in figure 1-3, the slide block and thimble anti-collision mechanism comprises an upper die 1 and a lower die 2, wherein the upper die 1 comprises an upper die insert 1-1, an inclined guide post 1-2 and a locking block 1-3, the lower die 2 comprises a bottom plate 2-1, a die pin 2-2 for supporting, an ejector plate 2-3, a lower die core 2-4, a lower die insert 2-5, a slide block insert 2-6 and a slide block seat 2-7, a product cavity 3 is formed by the upper die insert 1-1, the lower die insert 2-5 and the slide block insert 2-6, a forming thimble 4 is arranged on the ejector plate 2-3 at a position corresponding to the cavity 3, an anti-collision thimble 5 is further arranged on the ejector plate 2-3, a guide post groove 2-71 for the inclined guide post 1-2 to pass through is arranged on the slide block seat 2-7, and an avoiding groove 2-2 for avoiding the inclined guide post 1-2 during die assembly 41, an anti-collision hole 5-1 for an anti-collision thimble 5 to extend into is further formed in the slider seat 2-7, and when the mold is closed, the distance between the anti-collision thimble 5 and the anti-collision hole 5-1 is equal to the distance that the slider seat 2-7 moves under the action of the inclined guide post 1-2 when the mold is opened; the lower die core 2-4 is also provided with an accommodating groove 2-42, a limiting block 7 is connected in the accommodating groove 2-42 through a spring 6, the bottom of the sliding block seat 2-7 is provided with a limiting groove 8 matched with the limiting block 7, and one side of the limiting block 7, which is far away from the die cavity 3, is obliquely arranged; the limiting block 7 is in a triangular prism shape, and the limiting groove 8 is in a triangular prism shape; when the mold is closed, the distance between the limiting block 7 and the limiting groove 8 is equal to the moving distance of the sliding block seat 2-7 under the action of the inclined guide post 1-2 in the mold opening state.

After the structure is adopted, after die assembly, the forming thimble 4 is positioned below a product, and the anti-collision thimble 5 is positioned below the sliding block seats 2-7; when the mold is opened, the upper mold 1 moves upwards, the slide block seat 2-7 drives the slide block insert 2-6 to move outwards under the action of the inclined guide post 1-2 until the inclined guide post 1-2 is completely separated from the slide block seat 2-7 to complete the mold opening, at the moment, the collision-proof hole 5-1 is positioned above the collision-proof thimble 5, the ejector pin plate 2-3 is driven to drive the forming thimble 4 to eject the product, the thimble plate 2-3 can be driven by the ejector pin of the injection molding machine, the collision-proof thimble 5-1 extends into the collision-proof hole 5-1 on the slide block seat 2-7, after the product is ejected, the thimble plate 2-3 can be reset through the reset spring, and the thimble can still be reset through the ejector pin of the injection molding machine if the thimble plate 2-3 fails to return to the position when the thimble plate 2-3 is reset, at the moment, the collision-proof, even if the die-closing slide block seat 2-7 cannot move at the moment, so that the die cannot be successfully closed, the slide block insert 2-6 correspondingly arranged on the slide block seat 2-7 cannot move, the slide block insert 2-6 is prevented from colliding with the forming thimble 4 or the anti-collision thimble 5, and the forming thimble 4 and the slide block insert 2-6 can be protected.

In addition, after the mold is opened and before the ejector pin plate 2-3 is ejected, the slider seat 2-7 is not supported at the moment and can move towards the cavity 3, and in order to avoid the situation, the limiting groove 8 and the limiting block 7 are arranged, after the mold is opened, the limiting block 7 is embedded into the limiting groove 8 under the action of the spring 6 to block the movement of the slider seat 2-7, and meanwhile, the slider seat 2-7 can be kept in the original position, so that the inclined guide post 1-2 can be conveniently inserted into the guide post groove 2-71 during mold closing; in order to realize automatic unlocking during die assembly, one surface far away from the die cavity 3 is obliquely arranged, the slider seats 2-7 can press the limiting block 7 into the limiting groove 8 during die assembly for automatic unlocking, and the other surface can be a right-angle surface and can clamp the slider seats 2-7 to prevent the slider seats 2-7 from moving outwards or an inclined surface to form a triangular prism shape, so that the slider seats 2-7 can be conveniently unlocked and taken out, and the slider seats 2-7 can be separated and moved by a small part of gravity due to shaking or uneven moving surface in a die, so that the effect of blocking the slider seats 2-7 from moving can be achieved without completely locking the slider seats 2-7.

The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention 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 slider and thimble anticollision mechanism, its includes mould and lower mould, it includes mould mold insert, oblique guide pillar and latch segment to go up the mould, the lower mould includes bottom plate, mould foot, thimble board, lower mould benevolence, lower mould mold insert, slider mold insert and sliding block seat, through go up the mould mold insert lower mould mold insert with the slider mold insert forms the product die cavity, be equipped with the shaping thimble for the position of die cavity on the thimble board, still be equipped with crashproof thimble on the thimble board, offer on the sliding block seat and be used for the guide pillar groove that oblique guide pillar passes through, offer on the lower mould benevolence and be used for dodging when the compound die the groove of dodging of oblique guide pillar, its characterized in that: the sliding block seat is also provided with an anti-collision hole for the anti-collision thimble to extend into; still seted up the holding tank on the lower mould benevolence, there is the stopper through spring coupling in the holding tank, slider seat bottom seted up with stopper complex spacing groove.

2. The slider and thimble anti-collision mechanism according to claim 1, wherein: and when the die is closed, the distance between the anti-collision thimble and the anti-collision hole is equal to the distance of the sliding block seat moving under the action of the inclined guide post in the die opening state.

3. The slider and thimble anti-collision mechanism according to claim 1, wherein: and one surface of the limiting block, which is far away from the cavity, is obliquely arranged.

4. The slider and thimble anti-collision mechanism according to claim 3, wherein: the limiting block is in a triangular prism shape, and the limiting groove is in a triangular prism shape.

5. The slide block and ejector pin collision avoidance mechanism of claim 1 or 4, wherein: and in the die closing state, the distance between the limiting block and the limiting groove is equal to the distance of the sliding block seat moving under the action of the inclined guide post in the die opening state.