CN213198658U

CN213198658U - Injection mold with automatic demoulding mechanism

Info

Publication number: CN213198658U
Application number: CN202022078092.9U
Authority: CN
Inventors: 刘钦彬
Original assignee: Guangdong Shunde Shunzhi Plastic Hardware Products Co ltd
Current assignee: Guangdong Shunde Shunzhi Plastic Hardware Products Co ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-05-14
Anticipated expiration: 2030-09-21

Abstract

The utility model relates to an injection mold technical field just discloses an injection mold with automatic demoulding mechanism, the on-line screen storage device comprises a base, the top fixed mounting of base has electric putter, electric putter's top movable mounting has the die holder, the top fixed mounting of die holder has first reset spring, first reset spring's top fixed mounting has the stopper, the top movable mounting of stopper has the ejector pin that runs through and extend to the die holder inside. This injection mold with automatic demoulding mechanism, through starting the electric putter shrink, electric putter passes through die holder and guide rail and drives slider and lower mould benevolence downstream, and second reset spring releases elastic potential energy and drives the upper die benevolence and break away from the upper die base, and spacing hole and gag lever post interact on the lower mould benevolence and drive two lower mould benevolences and keep away from each other, and first reset spring releases elastic potential energy and drives stopper and ejector pin ejecting with the injection molding, reaches the effect of simple and convenient quick automatic drawing of patterns.

Description

Injection mold with automatic demoulding mechanism

Technical Field

The utility model relates to an injection mold technical field specifically is an injection mold with automatic demoulding mechanism.

Background

An injection mold is a tool for producing plastic products; the injection molding is a processing method used in batch production of parts with complex shapes, and particularly relates to a method for injecting heated and melted plastics into a mold cavity from an injection molding machine at high pressure, and obtaining a molded product after cooling and solidification, wherein the injection molding mold is divided into a thermosetting plastic mold and a thermoplastic plastic mold according to molding characteristics; the method comprises the following steps of dividing the molding process into a transfer mold, a blow mold, a cast mold, a hot forming mold, a hot pressing mold (compression mold), an injection mold and the like, wherein the hot pressing mold can be divided into a flash type, a semi-flash type and a non-flash type by a flash mode, and the injection mold can be divided into a cold runner mold and a hot runner mold by a pouring system; the loading and unloading mode can be divided into a movable mode and a fixed mode.

The traditional injection mold is not provided with an automatic demolding mechanism generally, so that the injection molding part is not easy to disassemble and inconvenient to use, and the like, and the problem is solved by providing the injection mold with the automatic demolding mechanism.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an injection mold with automatic demoulding mechanism possesses advantages such as convenient to use, has solved traditional injection mold and has generally not had automatic demoulding mechanism, leads to the difficult problem of dismantling and use inconvenient etc. of injection molding.

(II) technical scheme

In order to realize the purpose of convenient use, the utility model provides a following technical scheme: an injection mold with an automatic demolding mechanism comprises a base, wherein an electric push rod is fixedly installed at the top of the base, a lower mold base is movably installed at the top of the electric push rod, a first reset spring is fixedly installed at the top of the lower mold base, a limiting block is fixedly installed at the top of the first reset spring, a push rod penetrating through and extending into the lower mold base is movably installed at the top of the limiting block, guide rails are fixedly installed at the top of the lower mold base and positioned on the left side and the right side of the first reset spring, a sliding block is movably installed on the outer wall of each guide rail, a lower mold core is fixedly installed at the top of each sliding block, limiting grooves corresponding to the limiting blocks are formed in the opposite sides of the lower mold cores, guide pillars penetrating through and extending above the lower mold base are fixedly installed at the top of the base and positioned on the left side and the right side of, the outer wall of the guide pillar is movably mounted above the lower die core, an upper die core is movably mounted inside the upper die core, a second reset spring extending to the bottom of the upper die base is fixedly mounted inside the upper die core, a pouring gate is formed in the top of the upper die base, a limiting rod penetrating through and extending to the inside of the lower die core is movably mounted at the bottom of the upper die core, and a limiting hole corresponding to the limiting rod is formed in the top of the lower die core.

Preferably, the lower die base is provided with a first guide groove corresponding to the guide pillar inside, and the upper die core is provided with a second guide groove corresponding to the guide pillar inside.

Preferably, the number of the guide rails is four, the four guide rails are symmetrically distributed at the top of the lower die base, and through holes corresponding to the ejector rods are formed in the lower die base.

Preferably, the number of the sliding blocks and the number of the lower die cores are two, and sliding grooves corresponding to the guide rails are formed in the sliding blocks.

Preferably, the left side and the right side of the inner wall of the limit groove are both inclined planes, and the number of the second return springs is four.

Preferably, the number of the limiting rods is two, and the two limiting rods are distributed at the bottom of the upper die core in a bilateral symmetry manner.

(III) advantageous effects

Compared with the prior art, the utility model provides an injection mold with automatic demoulding mechanism possesses following beneficial effect:

the injection mold with the automatic demolding mechanism is characterized in that the electric push rod drives the sliding block and the lower mold core to move upwards by starting the electric push rod to extend, the electric push rod drives the sliding block and the lower mold core to move upwards through the lower mold base and the guide rail, the limiting hole in the lower mold core interacts with the limiting rod on the upper mold core and drives the two lower mold cores to approach and close each other, the limiting groove in the lower mold core interacts with the limiting block and compresses the first reset spring, meanwhile, the lower mold core drives the upper mold core to be attached to the upper mold base and compress the second reset spring through the limiting rod and then is poured into the pouring gate, the simple, convenient and rapid injection molding effect is achieved, the electric push rod drives the sliding block and the lower mold core to move downwards by starting the electric push rod to contract, the second reset spring releases the elastic potential energy and drives the upper mold core to be separated from the upper mold, the first reset spring releases elastic potential energy and drives the limiting block and the ejector rod to eject the injection molding piece out, so that the effect of simple, convenient and quick automatic demolding is achieved, and the use convenience of the injection mold is improved.

Drawings

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

fig. 2 is an enlarged view of a position a in the structure diagram 1 of the present invention.

In the figure: the device comprises a base 1, an electric push rod 2, a lower die holder 3, a first return spring 4, a limiting block 5, a top rod 6, a guide rail 7, a sliding block 8, a lower die core 9, a limiting groove 10, a guide pillar 11, an upper die holder 12, an upper die core 13, a second return spring 14, a pouring gate 15, a limiting rod 16 and a limiting hole 17.

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. 1-2, an injection mold with an automatic demolding mechanism comprises a base 1, an electric push rod 2 is fixedly installed at the top of the base 1, a lower die holder 3 is movably installed at the top of the electric push rod 2, a first return spring 4 is fixedly installed at the top of the lower die holder 3, a limiting block 5 is fixedly installed at the top of the first return spring 4, ejector rods 6 penetrating and extending into the lower die holder 3 are movably installed at the top of the limiting block 5, guide rails 7 are fixedly installed at the top of the lower die holder 3 and positioned at the left side and the right side of the first return spring 4, the number of the guide rails 7 is four, the four guide rails 7 are symmetrically distributed at the top of the lower die holder 3, through holes corresponding to the ejector rods 6 are formed in the lower die holder 3, a sliding block 8 is movably installed on the outer wall of the guide rails 7, a lower die core 9 is fixedly installed at the top of the sliding block, a sliding groove corresponding to the guide rail 7 is arranged in the slide block 8, a limiting groove 10 corresponding to the limiting block 5 is arranged on the opposite side of the lower mold core 9, guide posts 11 penetrating and extending to the upper part of the lower mold base 3 are fixedly arranged on the top of the base 1 and positioned on the left side and the right side of the electric push rod 2, an upper mold base 12 is fixedly arranged on the top of the guide posts 11, an upper mold core 13 is movably arranged on the outer wall of the guide posts 11 and positioned above the lower mold core 9, a first guide groove corresponding to the guide posts 11 is arranged in the lower mold base 3, a second guide groove corresponding to the guide posts 11 is arranged in the upper mold core 13, a second reset spring 14 extending to the bottom of the upper mold base 12 is fixedly arranged in the upper mold core 13, the left side and the right side of the inner wall of the limiting groove 10 are both inclined planes, the number of the second reset springs 14 is four, an opening 15 is arranged on the top of the upper mold base 12, a limiting rod, the top of the lower die core 9 is provided with a limiting hole 17 corresponding to a limiting rod 16, the number of the limiting rods 16 is two, the two limiting rods 16 are distributed at the bottom of the upper die core 13 in a bilateral symmetry manner, the electric push rod 2 drives the sliding block 8 and the lower die core 9 to move upwards through the lower die base 3 and the guide rail 7 by starting the electric push rod 2 to extend, the limiting hole 17 on the lower die core 9 interacts with the limiting rod 16 on the upper die core 13 and drives the two lower die cores 9 to approach and close each other, the limiting groove 10 on the lower die core 9 interacts with the limiting block 5 and compresses the first reset spring 4, meanwhile, the lower die core 9 drives the upper die core 13 to adhere to the upper die base 12 through the limiting rod 16 and compresses the second reset spring 14, then the pouring gate 15 is poured, the simple, convenient and rapid injection molding effect is achieved, the electric push rod 2 is contracted by starting the electric push rod 2, the sliding block 8 and the lower die core 9 are driven by, the second reset spring 14 releases elastic potential energy and drives the upper die core 13 to be separated from the upper die base 12, the limiting hole 17 on the lower die core 9 interacts with the limiting rod 16 and drives the two lower die cores 9 to be away from each other, the first reset spring 4 releases elastic potential energy and drives the limiting block 5 and the ejector rod 6 to eject the injection molding piece, the effect of simple, convenient and rapid automatic demolding is achieved, and therefore the use convenience of the injection mold is improved.

To sum up, in the injection mold with the automatic demolding mechanism, by starting the electric push rod 2 to extend, the electric push rod 2 drives the sliding block 8 and the lower mold core 9 to move upwards through the lower mold base 3 and the guide rail 7, the limiting hole 17 on the lower mold core 9 interacts with the limiting rod 16 on the upper mold core 13 and drives the two lower mold cores 9 to approach and close each other, the limiting groove 10 on the lower mold core 9 interacts with the limiting block 5 and compresses the first return spring 4, meanwhile, the lower mold core 9 drives the upper mold core 13 to attach to the upper mold base 12 through the limiting rod 16 and compresses the second return spring 14, then pouring is carried out to the inner part of the pouring gate 15, the effect of simple, convenient and rapid injection molding is achieved, by starting the electric push rod 2 to contract, the electric push rod 2 drives the sliding block 8 and the lower mold core 9 to move downwards through the lower mold base 3 and the guide rail 7, the second return spring 14 releases elastic potential energy and drives, spacing hole 17 and gag lever post 16 interact on the lower mould benevolence 9 and drive two lower mould benevolence 9 and keep away from each other, and first reset spring 4 releases elastic potential energy and drives stopper 5 and ejector pin 6 ejecting with the injection molding, reaches the effect of simple and convenient quick automatic drawing of patterns to this injection mold's convenience in use has been improved, solved traditional injection mold and generally not had automatic demoulding mechanism, lead to the injection molding difficult problem of dismantling and using inconvenient etc..

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an injection mold with automatic demoulding mechanism, includes base (1), its characterized in that: the top fixed mounting of base (1) has electric putter (2), the top movable mounting of electric putter (2) has die holder (3), the top fixed mounting of die holder (3) has first reset spring (4), the top fixed mounting of first reset spring (4) has stopper (5), the top movable mounting of stopper (5) has ejector pin (6) that runs through and extend to die holder (3) inside, the top of die holder (3) and the equal fixed mounting in left side and the right side that is located first reset spring (4) have guide rail (7), the outer wall movable mounting of guide rail (7) has slider (8), the top fixed mounting of slider (8) has lower mould benevolence (9), spacing groove (10) that correspond with stopper (5) are seted up to the opposite side of lower mould benevolence (9), the top of base (1) and the equal fixed mounting in left side and the right side that are located electric putter (2) have to run through and extend The die comprises a guide pillar (11) above a lower die holder (3), an upper die holder (12) is fixedly mounted at the top of the guide pillar (11), an upper die core (13) is movably mounted on the outer wall of the guide pillar (11) and above a lower die core (9), a second reset spring (14) extending to the bottom of the upper die holder (12) is fixedly mounted inside the upper die core (13), a pouring gate (15) is formed at the top of the upper die holder (12), a limiting rod (16) penetrating through and extending to the inside of the lower die core (9) is movably mounted at the bottom of the upper die core (13), and a limiting hole (17) corresponding to the limiting rod (16) is formed at the top of the lower die core (9).

2. An injection mold having an automatic mold-releasing mechanism according to claim 1, characterized in that: the inner part of the lower die holder (3) is provided with a first guide groove corresponding to the guide post (11), and the inner part of the upper die core (13) is provided with a second guide groove corresponding to the guide post (11).

3. An injection mold having an automatic mold-releasing mechanism according to claim 1, characterized in that: the number of the guide rails (7) is four, the four guide rails (7) are distributed on the top of the lower die holder (3) in a bilateral symmetry mode, and through holes corresponding to the ejector rods (6) are formed in the lower die holder (3).

4. An injection mold having an automatic mold-releasing mechanism according to claim 1, characterized in that: the number of the sliding blocks (8) and the number of the lower die cores (9) are two, and sliding grooves corresponding to the guide rails (7) are formed in the sliding blocks (8).

5. An injection mold having an automatic mold-releasing mechanism according to claim 1, characterized in that: the left side and the right side of the inner wall of the limiting groove (10) are both inclined surfaces, and the number of the second reset springs (14) is four.

6. An injection mold having an automatic mold-releasing mechanism according to claim 1, characterized in that: the number of the limiting rods (16) is two, and the two limiting rods (16) are distributed at the bottom of the upper die core (13) in a bilateral symmetry mode.