CN217226499U

CN217226499U - Mold protection mechanism

Info

Publication number: CN217226499U
Application number: CN202122606132.7U
Authority: CN
Inventors: 赵晓华; 杜牧; 侯浩文
Original assignee: Dongguan Jiuzhou Optical Co ltd
Current assignee: Dongguan Yutong Jiuzhou Optical Co ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-08-19
Anticipated expiration: 2031-10-27

Abstract

The utility model belongs to the technical field of injection mold, concretely relates to mould protection mechanism, including last mould and bed die, go up the mould and be provided with mould benevolence, the bed die is provided with lower mould benevolence, and the both sides of lower mould benevolence all are provided with sideslip mechanism, and the inboard of sideslip mechanism all is provided with the slider, and the slider all stretches into between mould benevolence and the lower mould benevolence, goes up mould benevolence, lower mould benevolence and slider form the die cavity that is used for product injection moulding jointly, and the bed die is provided with and is used for the ejecting ejection mechanism of shaping product, and the activity is provided with anticollision institution between ejection mechanism and the sideslip mechanism. The utility model discloses novel structure, design benefit, sideslip mechanism drives the slider and stretches into between upper die benevolence and the lower mould benevolence during the use, has formed the die cavity of product jointly, and sideslip mechanism drives the slider and puts aside after the completion of moulding plastics, and ejection mechanism is ejecting with the shaping product, and anticollision institution work this moment prevents that ejection mechanism from stretching into before reseing for the slider takes place with the impaired phenomenon of ejection mechanism collision.

Description

Mold protection mechanism

Technical Field

The utility model belongs to the technical field of injection mold, concretely relates to mould protection mechanism.

Background

An injection mold is a tool for producing plastic products and also a tool for giving the plastic products complete structure and precise dimensions. Injection molding is a processing method used in mass production of parts with complex shapes, and particularly refers to that plastic melted by heat is injected into a mold cavity at high pressure by an injection molding machine, and a molded product is obtained after cooling and solidification.

After the mold ejection mechanism ejects the injection molding product, the mold ejection mechanism needs to reset automatically under the action of a mold return spring, and if one of the ejection mechanism parts is stuck with the mold core or the mold plate and can not reset automatically, the movable side and the fixed side are continuously closed, so that the ejector pin, the mold core and the sliding block are damaged.

SUMMERY OF THE UTILITY MODEL

The utility model discloses problem to prior art provides a mould protection mechanism, and ejection mechanism is ejecting, and anticollision mechanism prevents the skid block and collides with ejection mechanism, has protected thimble, mould benevolence and slider effectively.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a mold protection mechanism, includes upper die and bed die, the upper die is provided with mould benevolence, the bed die is provided with lower mould benevolence, the both sides of lower mould benevolence all are provided with sideslip mechanism, the inboard of sideslip mechanism all is provided with the slider, the slider all stretches into between upper mould benevolence and the lower mould benevolence, upper mould benevolence, lower mould benevolence and the slider forms the die cavity that is used for product injection moulding jointly, the bed die is provided with and is used for the ejecting ejection mechanism of moulded product, ejection mechanism with the activity is provided with anticollision institution between the sideslip mechanism, anticollision institution is used for preventing that the slider leads to impairedly with the ejection mechanism collision.

The sliding blocks are connected with the top of the side-sliding mechanism, the side-sliding mechanism is arranged between the lower die and the upper die, a movable groove is formed in the top of the lower die, the side-sliding mechanism is movably arranged in the movable groove, and the anti-collision mechanisms are movably arranged on two sides of the lower die core.

The side-sliding mechanism comprises a slide seat, a guide hole is formed in the slide seat, the upper die is provided with an inclined guide post, and one end of the inclined guide post extends into the guide hole.

The inner side of the top of the slide seat is sunken to form a step part, a plurality of first connecting holes are formed in the step part, a plurality of second connecting holes are formed in one end of the slider, the first connecting holes and the second connecting holes are arranged in a one-to-one correspondence mode, and fasteners are arranged in the first connecting holes and the second connecting holes in a penetrating mode.

Wherein, the inboard of step is provided with the joint groove, the protruding joint piece that is equipped with in bottom of slider, the joint piece with joint groove joint.

The bottom of the lower die is movably provided with a push plate, and the anti-collision mechanism and the ejection mechanism are fixedly connected with the push plate.

Wherein, anticollision institution includes a plurality of anticollision and keeps off the needle, the anticollision keeps off the needle and is cylindricly.

The ejection mechanism comprises four ejector pins, and the ejector pins are arranged at the edge of the cavity.

The utility model has the advantages that: the utility model discloses novel structure, design benefit, sideslip mechanism drives the slider and stretches into between the benevolence of last mould and the lower mould benevolence during use, has formed the die cavity of product jointly, and sideslip mechanism drives the slider and puts aside after the completion of moulding plastics, and ejection mechanism is ejecting with the shaping product, and anticollision institution work this moment prevents that ejection mechanism from stretching into before reseing the slider for the slider takes place with the impaired phenomenon of ejection mechanism collision, has protected thimble, mould benevolence and slider effectively, has improved life.

Drawings

Fig. 1 is a sectional view of the present invention.

Fig. 2 is the schematic structural diagram of the lower mold after demolding.

Fig. 3 is a sectional view of the lower mold after demolding.

Fig. 4 is a schematic structural diagram of the slide seat and the slide block of the present invention.

The reference numbers are respectively: 1. go up the mould, 2, the bed die, 3, go up mould benevolence, 4, the lower mould benevolence, 5, sideslip mechanism, 6, slider, 7, ejection mechanism, 8, anticollision institution, 9, movable groove, 10, the seat of going to the throne, 11, guiding hole, 12, oblique guide pillar, 13, step, 14, fastener, 15, joint groove, 16, joint piece, 17, push pedal, 18, anticollision stop pin, 19, thimble.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention will be described in detail with reference to the accompanying drawings.

The utility model provides a mold protection mechanism, as shown in fig. 1-4, includes upper mold 1 and lower mould 2, upper mold 1 is provided with upper mold insert 3, lower mould 2 is provided with lower mold insert 4, the both sides of lower mold insert 4 all are provided with sideslip mechanism 5, the inboard of sideslip mechanism 5 all is provided with slider 6, slider 6 all stretches into between upper mold insert 3 and the lower mold insert 4, upper mold insert 3, lower mold insert 4 and slider 6 form the die cavity that is used for product injection moulding jointly, lower mould 2 is provided with and is used for the ejecting ejection mechanism 7 of shaping product, ejection mechanism 7 with the activity is provided with anticollision institution 8 between the sideslip mechanism 5, anticollision institution 8 is used for preventing slider 6 and ejection mechanism 7 collision from leading to the impaired. Specifically, the utility model discloses novel structure, design benefit, sideslip mechanism 5 drives slider 6 and stretches into between last mould benevolence 3 and the lower mould benevolence 4 during the use, has formed the die cavity of product jointly, and sideslip mechanism 5 drives slider 6 and puts aside after the completion of moulding plastics, and ejection mechanism 7 is ejecting with the shaping product, and 8 work of anticollision institution this moment prevents that ejection mechanism 7 from stretching into slider 6 before reseing for slider 6 takes place with the impaired phenomenon of ejection mechanism 7 collision.

The utility model provides a mould protection mechanism, slider 6 all with the top of sideslip mechanism 5 is connected, sideslip mechanism 5 sets up between bed die 2 and last mould 1, the top of bed die 2 is provided with movable groove 9, the activity of sideslip mechanism 5 sets up in movable groove 9, anticollision institution 8 activity set up in the both sides of lower mould benevolence 4. Specifically, when the ejection mechanism 7 is ejected, the anti-collision mechanism 8 extends out of the lower mold core 4 to the movable groove 9, so that the side-sliding mechanism 5 is subjected to resistance when moving towards the mold core direction, and cannot move continuously, and a protection function is realized.

In the mold protection mechanism of this embodiment, the side-sliding mechanism 5 includes a traveling seat 10, the traveling seat 10 is provided with a guide hole 11, the upper mold 1 is provided with an inclined guide pillar 12, and one end of the inclined guide pillar 12 extends into the guide hole 11. Specifically, the above arrangement makes the movement stability of the seat 10 high.

In the mold protection mechanism of this embodiment, the inside of the top of the slide seat 10 is recessed to form a step portion 13, the step portion 13 is provided with a plurality of first connection holes, one end of the slider 6 is provided with a plurality of second connection holes, the first connection holes and the second connection holes are arranged in a one-to-one correspondence manner, and the first connection holes and the second connection holes are provided with fasteners 14 in a penetrating manner. Specifically, the arrangement makes the connection between the sliding block 6 and the slide seat 10 stable, and the disassembly, maintenance and replacement are convenient.

This example a mould protection machanism, the inboard of step 13 is provided with joint groove 15, the protruding joint piece 16 that is equipped with in bottom of slider 6, joint piece 16 with joint groove 15 joint. In particular, the above arrangement further improves the stability of the slider 6.

This example a mould protection mechanism, the bottom activity of lower mould 2 is provided with push pedal 17, anticollision institution 8 with ejection mechanism 7 all with push pedal 17 fixed connection. Specifically, the anti-collision mechanism 8 and the ejection mechanism 7 work synchronously due to the arrangement, the push plate 17 pushes the anti-collision mechanism 8 and the ejection mechanism 7 simultaneously, the protection effect is excellent, and the synchronous resetting of the anti-collision mechanism 8 and the ejection mechanism 7 is realized.

In the mold protection mechanism of this embodiment, the anti-collision mechanism 8 includes a plurality of anti-collision blocking needles 18, and the anti-collision blocking needles 18 are cylindrical. In particular, the stability of the above arrangement is strong.

In the mold protection mechanism of this embodiment, the ejection mechanism 7 includes four ejector pins 19, and the ejector pins 19 are all disposed at the edge of the cavity. Specifically, the above arrangement enables the molded product to be stably ejected.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention is disclosed in the above description in terms of preferred embodiments, it is not intended to limit the present invention, and any person skilled in the art will be able to make any changes or modifications to equivalent embodiments without departing from the scope of the present invention, and all the technical solutions of the present invention are within the scope of the present invention.

Claims

1. A mold protection mechanism, characterized in that: the injection molding die comprises an upper die and a lower die, wherein the upper die is provided with an upper die core, the lower die is provided with a lower die core, side-sliding mechanisms are arranged on two sides of the lower die core, sliding blocks are arranged on the inner sides of the side-sliding mechanisms and extend into the space between the upper die core and the lower die core, the upper die core, the lower die core and the sliding blocks form a cavity for product injection molding, the lower die is provided with an ejection mechanism for ejecting a molded product, an anti-collision mechanism is movably arranged between the ejection mechanism and the side-sliding mechanisms and is used for preventing the sliding blocks from colliding with the ejection mechanism to cause damage; the sliding blocks are all connected with the top of the side-slipping mechanism, the side-slipping mechanism is arranged between a lower die and an upper die, a movable groove is formed in the top of the lower die, the side-slipping mechanism is movably arranged in the movable groove, and the anti-collision mechanisms are movably arranged on two sides of the lower die core; the side-sliding mechanism comprises a slide seat, the slide seat is provided with a guide hole, the upper die is provided with an inclined guide pillar, and one end of the inclined guide pillar extends into the guide hole; the top inner side of the slide seat is sunken to form a step part, a plurality of first connecting holes are formed in the step part, one end of the slider is provided with a plurality of second connecting holes, the first connecting holes and the second connecting holes are arranged in a one-to-one correspondence mode, and fasteners are arranged in the first connecting holes and the second connecting holes in a penetrating mode.

2. A mold protection mechanism as claimed in claim 1, wherein: the inboard of step is provided with the joint groove, the protruding joint piece that is equipped with in bottom of slider, the joint piece with joint groove joint.

3. A mold protection mechanism as claimed in claim 1, wherein: the bottom of the lower die is movably provided with a push plate, and the anti-collision mechanism and the ejection mechanism are fixedly connected with the push plate.

4. A mold protection mechanism as claimed in claim 1, wherein: anticollision institution includes a plurality of anticollision and keeps off the needle, the anticollision keeps off the needle and is cylindricly.

5. A mold protection mechanism as recited in claim 1, wherein: the ejection mechanism comprises four ejector pins which are arranged at the edge of the cavity.