CN211616442U - Injection mold capable of quickly changing mold core - Google Patents

Abstract

The utility model discloses a but injection mold of quick change mold core, including bed die and first slot, bed die one side is provided with the pivot, and is provided with the bed die on the bed die, the bed die top is connected with the mould, and goes up the inside mold core that is provided with of mould, is connected with the second inserted block on going up the mold core, be connected with first gag lever post in the pivot, and seted up the round hole on the first gag lever post, spring one end is connected with the inner circle, and the inner circle inner wall is helicitic texture to swing joint has locking screw in the inner circle, locking screw runs through first gag lever post with first gag lever post and bed die fixed connection. This but injection mold of quick change mold core is through setting up the sleeve to set up spring and inner circle in the sleeve, when making fixed lower mold core and bed die, can insert the blind hole of bed die earlier in, with locking screw rod and muffjoint again, through under the effect of the spring of sleeve inside, reduce the damage to the bed die when making locking screw rod be connected with the bed die.

Description

Injection mold capable of quickly changing mold core

Technical Field

The utility model relates to an injection moulding equipment technical field specifically is an injection mold of quick change mold core.

Background

Injection molding is a method for producing and molding industrial products; products are generally produced by rubber injection molding and plastic injection molding; the injection molding can also be divided into injection molding and die casting; an injection molding machine (an injection machine or an injection molding machine for short) is main molding equipment for manufacturing thermoplastic plastics or thermosetting materials into plastic products with various shapes by utilizing a plastic molding die, and the injection molding is realized by the injection molding machine and the die; 1. rubber injection molding: rubber injection molding is a production method for directly injecting rubber material into a mold from a cylinder for vulcanization; the rubber injection molding has the advantages that: although the method is an intermittent operation, the forming period is short, the production efficiency is high, the blank preparation process is eliminated, the labor intensity is low, and the product quality is excellent.

At present, a mold core of an injection mold is usually fixed by adopting more bolts, and the injection mold and the mold core are frequently damaged by disassembling and assembling the bolts when the mold core is replaced, so that the product quality is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a but injection mold of quick change mold core to the problem of damage is caused to the mold core easily when solving the change mold core that proposes in the above-mentioned background art.

In order to achieve the purpose, the utility model provides a following technical scheme, but injection mold of quick change mold core, including bed die and first slot, bed die one side is provided with the pivot, and is provided with down the mold core on the bed die, the bed die top is connected with the mould, and goes up the inside mold core that is provided with of mould, goes up and is connected with the second inserted block on the mold core, be connected with first gag lever post in the pivot, and seted up the round hole on the first gag lever post, so the blind hole has been seted up to bed die one side, has inserted the sleeve in the blind hole, and the sleeve inner wall is provided with the spring, spring one end is connected with the inner circle, and the inner circle inner wall is helicitic texture to swing joint has locking screw in the inner circle, locking screw runs through first gag lever post with bed die fixed connection.

Preferably, the lower die is the same as the upper die in structure, a first limiting rod is arranged on one side of the lower die and one side of the upper die, and a second slot is formed in the upper die.

Preferably, one side of the first slot is a sealing structure, the other side of the first slot is an opening structure, and the first slot is matched with the first inserting block in structure.

Preferably, the first limiting rod is rotatably connected with the lower die through a rotating shaft, and the blind hole in the lower die corresponds to the round hole in the first limiting rod.

Preferably, the outer wall of the sleeve is provided with lugs, and the lugs are distributed in a circular ring shape at equal intervals relative to the outer wall of the sleeve.

Preferably, the inner wall of the sleeve is provided with a second limiting rod, and the second limiting rod is in a bilateral symmetry structure relative to the center line of the spring.

Compared with the prior art, the beneficial effects of the utility model are that: this but injection mold of quick change mold core is through setting up the sleeve to set up spring and inner circle in the sleeve, when making fixed lower mold core and bed die, can insert the blind hole of bed die earlier in, with locking screw rod and muffjoint again, through under the effect of the spring of sleeve inside, reduce the damage to the bed die when making locking screw rod be connected with the bed die.

Drawings

FIG. 1 is a schematic structural view of an injection mold with a mold core capable of being replaced quickly according to the present invention;

FIG. 2 is an exploded view of the injection mold with a quick-replaceable mold core according to the present invention;

FIG. 3 is a top view of a lower mold of an injection mold with a quick-replaceable mold core according to the present invention;

fig. 4 is an enlarged schematic structural view of a part a in fig. 1 of the injection mold with a quick-replaceable mold core according to the present invention;

FIG. 5 is a schematic view of a connection structure between a first limiting rod and a rotating shaft of an injection mold with a quick-replaceable mold core according to the present invention;

FIG. 6 is a right side view of the injection mold sleeve with a quick-replaceable mold core according to the present invention;

fig. 7 is the enlarged schematic structural diagram of B in fig. 6 of an injection mold with a quick-replaceable mold core according to the present invention.

In the figure: 1. the mold comprises a lower mold, 2, a first slot, 3, a lower mold core, 4, a first limiting rod, 5, a rotating shaft, 6, an upper mold, 7, a second slot, 8, an upper mold core, 9, a second insert, 10, a first insert, 11, a locking screw, 12, a sleeve, 13, a bump, 14, an inner ring, 15, a second limiting rod, 16 and a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution:

the first embodiment is as follows: an injection mold capable of quickly changing mold cores comprises a lower mold 1 and a first slot 2, wherein one side of the first slot 2 is provided with a sealing structure, the left side of the first slot 2 is provided with a sealing structure, the other side of the first slot 2 is provided with an opening structure, the right side of the first slot is provided with an opening structure, a first insert 10 can conveniently enter the injection mold, and the first slot 2 is matched with the first insert 10 in structure; a rotating shaft 5 is arranged on one side of a lower die 1, the rotating shaft 5 is fixed on the right side of the lower die 1 through a bolt, a lower die core 3 is arranged on the lower die 1, the lower die 1 and the lower die core 3 are of detachable structures, the lower die 1 and an upper die 6 are identical in structure, a first limiting rod 4 is arranged on one side of each of the lower die 1 and the upper die 6, the first limiting rod 4 is rotatably connected on the right side of each of the lower die 1 and the upper die 6, a second slot 7 is arranged on the upper die 6, the upper die 6 and the second slot 7 are integrally connected, and the second slot 7 and a second insert block 9 are identical in structure with the first slot 2 and the first insert block 10; an upper die 6 is connected above the lower die core 3, an upper die core 8 is arranged in the upper die 6, the connecting structure of the upper die 6 and the upper die core 8 is the same as the connecting structure of the lower die 1 and the lower die core 3, a second insert 9 is connected on the upper die core 8, the upper die core 8 and the second insert 9 are integrally connected, a first limiting rod 4 is connected on the rotating shaft 5, the rotating shaft 5 and the first limiting rod 4 are welded and fixed, the first limiting rod 4 is in a vertical state by rotating the rotating shaft 5, so that the position of a first slot 2 on the lower die core 3 can be limited after the lower die 1 and the lower die core 3 are connected, the first slot 2 can be prevented from moving after the lower die 1 and the lower die core 3 are connected, a round hole is formed in the first limiting rod 4, the insertion of a sleeve 12 and a locking screw rod 11 is facilitated, and the first limiting rod 4 is rotatably connected with the lower die 1 through the rotating shaft 5, the blind hole on the lower die 1 corresponds to the round hole on the first limiting rod 4; a blind hole is formed in one side of the lower die 1, a blind hole is formed in the right side of the lower die 1, a sleeve 12 is inserted in the blind hole, a spring 16 is arranged on the inner wall of the sleeve 12, the sleeve 12 and the spring 16 are fixed through glue, a bump 13 is arranged on the outer wall of the sleeve 12, the bump 13 and the sleeve 12 are integrally connected, so that the friction of the sleeve 12 attached to the lower die 1 is increased, and the bumps 13 are distributed in a circular ring shape at equal intervals relative to the outer wall of the sleeve 12; the inner wall of the sleeve 12 is provided with a second limiting rod 15, the sleeve 12 and the second limiting rod 15 are fixed through glue, the spring 16 can be limited through the second limiting rod 15, the problem that the radian of the spring 16 inclining left and right is large is avoided, and the limiting rods 15 are in a left-right symmetrical structure relative to the central line of the spring 16; one end of the spring 16 is connected with an inner ring 14, the inner ring 14 is fixed at the lower end of the spring 16 through glue, the inner ring 14 is made of rubber, the inner wall of the inner ring 14 is of a threaded structure, a locking screw 11 is movably connected in the inner ring 14, the inner ring 14 is in threaded connection with the locking screw 11, and the locking screw 11 penetrates through the first limiting rod 4 to fixedly connect the first limiting rod 4 with the lower die 1; according to the injection mold with the quick-replaceable mold core, the sleeve 12 is arranged, the spring 16 and the inner ring 14 are arranged in the sleeve 12, so that when the lower mold core 3 and the lower mold 1 are fixed, the sleeve 12 can be inserted into a blind hole of the lower mold 1, then the locking screw 11 is connected with the sleeve 12, and under the action of the spring 16 inside the sleeve 12, damage to the lower mold 1 is reduced while the locking screw 11 is connected with the lower mold 1.

Example two: through setting up first slot 2 and first inserted block 10 with bed die 1 and bed die 3 adoption insert the mode of establishing and carry out the initial joint, consolidate bed die 1 and bed die 3 through locking screw 11 afterwards to not only reduced locking screw 11's use, can also make the installation of bed die 1 and bed die 3, dismantlement work more convenient, quick.

The working principle is as follows: when the injection mold capable of quickly changing the mold core is used, firstly, the device is simply known, after the understanding, important parts of the device are checked, and then, the device is put into use formally after no problem is detected, when the device is used, firstly, the lower mold core 3 is connected with the lower mold 1 when the first limiting rod 4 is in a transverse state, when the lower mold core is connected, the first insert block 10 is aligned with the first slot 2 from the right side of the lower mold 1, then, the lower mold core 3 is pushed, the first insert block 10 is slowly inserted into the first slot 2, when the first insert block 10 completely enters the first slot 2, the rotating shaft 5 is rotated, the rotating shaft 5 drives the first limiting rod 4 to be in a vertical state, at the moment, the first limiting rod 4 is contacted with the right side of the first insert block 10, the movable position of the first insert block 10 is limited, when the first insert block 10 is fixed, the sleeve 12 penetrates through a round hole on the first limiting rod 4 and is inserted into a blind hole of the lower mold 1, after the sleeve 12 is placed, the locking screw 11 is rotated to enter the sleeve 12, the locking screw 11 is in threaded connection with the inner ring 14 inside the sleeve 12, the first limiting rod 4 is fixed with the lower die 1 through the locking screw 11, the assembly work of the lower die 1 and the lower die core 3 is completed, when the lower die core 3 needs to be disassembled, the locking screw 11 is disassembled firstly, then the sleeve 12 is taken out, then the first limiting rod 4 is rotated, finally the lower die core 3 can be disassembled from the lower die 1 by separating the first insert 10 and the first slot 2 in a sliding mode, the connection and disassembly modes of the upper die 6 and the upper die core 8 are consistent with those of the lower die core 3 and the lower die 1, and the operation principle of the injection die capable of quickly replacing the die core is used.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (6)

1. The utility model provides a but injection mold of quick change mold core, includes bed die (1) and first slot (2), its characterized in that: a rotating shaft (5) is arranged on one side of the lower die (1), a lower die core (3) is arranged on the lower die (1), an upper die (6) is connected above the lower die core (3), an upper mold core (8) is arranged in the upper mold (6), a second insert block (9) is connected on the upper mold core (8), the rotating shaft (5) is connected with a first limiting rod (4), the first limiting rod (4) is provided with a round hole, one side of the lower die (1) is provided with a blind hole, a sleeve (12) is inserted in the blind hole, and a spring (16) is arranged on the inner wall of the sleeve (12), one end of the spring (16) is connected with an inner ring (14), the inner wall of the inner ring (14) is of a thread structure, and a locking screw rod (11) is movably connected in the inner ring (14), and the locking screw rod (11) penetrates through the first limiting rod (4) to fixedly connect the first limiting rod (4) with the lower die (1).

2. The injection mold with the quick-replaceable mold core as claimed in claim 1, wherein: the structure of the lower die (1) is the same as that of the upper die (6), a first limiting rod (4) is arranged on one side of the lower die (1) and one side of the upper die (6), and a second slot (7) is formed in the upper die (6).

3. The injection mold with the quick-replaceable mold core as claimed in claim 1, wherein: one side of the first slot (2) is of a sealing structure, the other side of the first slot is of an opening structure, and the first slot (2) is matched with the first inserting block (10) in structure.

4. The injection mold with the quick-replaceable mold core as claimed in claim 1, wherein: the first limiting rod (4) is rotatably connected with the lower die (1) through the rotating shaft (5), and the blind hole in the lower die (1) corresponds to the round hole in the first limiting rod (4).

5. The injection mold with the quick-replaceable mold core as claimed in claim 1, wherein: the outer wall of the sleeve (12) is provided with lugs (13), and the lugs (13) are distributed in a circular ring shape at equal intervals relative to the outer wall of the sleeve (12).

6. The injection mold with the quick-replaceable mold core as claimed in claim 1, wherein: the inner wall of the sleeve (12) is provided with a second limiting rod (15), and the second limiting rod (15) is in a bilateral symmetry structure relative to the central line of the spring (16).

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