CN110856968A

CN110856968A - Injection mold and injection molding method thereof

Info

Publication number: CN110856968A
Application number: CN201810970009.3A
Authority: CN
Inventors: 徐锦善
Original assignee: Guangdong Libiao Information Technology Co ltd
Current assignee: Guangdong Libiao Information Technology Co ltd
Priority date: 2018-08-24
Filing date: 2018-08-24
Publication date: 2020-03-03

Abstract

The invention discloses an injection mold and an injection molding method thereof, wherein the injection mold comprises a mold body, the mold body comprises an upper mold, a lower mold and a hinge, the upper mold and the lower mold are hinged through the hinge, a handle is welded on the right side of the upper mold, a first screw hole and a second screw hole are respectively arranged on two sides of the front surface of the upper mold, a U-shaped groove is formed in the inner wall of the upper mold, two ends of the U-shaped groove are respectively communicated with two sides of the front surface of the upper mold, two ends of the U-shaped groove are respectively welded with the first screw hole and the second screw hole, and a module is fixedly installed at the bottom of the upper mold. The injection mold comprises a hinge, a handle, a first screw, a second screw, a U-shaped groove, a module, an injection molding hole, a clamping block, a mold groove, a clamping groove, a mounting groove, a fixing plate, a cylinder, a mounting plate, a return spring, an ejector pin, a push rod and a limiting block.

Description

Injection mold and injection molding method thereof

Technical Field

The invention relates to the technical field of plastic processing, in particular to an injection mold and an injection molding method thereof.

Background

Plastic processing, also known as plastic molding processing, is a general name of various processes for converting synthetic resin or plastic into plastic products, and is a relatively large production department in the plastic industry, the plastic processing generally comprises the steps of plastic batching, molding, machining, jointing, decorating, assembling and the like, an injection mold is required during the plastic processing, at present, the traditional injection mold does not have a cooling function, so that the plastic products are easily damaged due to the fact that the plastic products are not cooled in time when the plastic products are taken down during the injection molding, the cost for processing the plastic products is increased, the upper mold needs to be taken down after being used, the labor capacity of a user is increased, and when the upper mold is placed in the lower mold again, the clamping blocks need to be clamped into the limiting grooves, so that the injection molding time is wasted, the processing progress of the plastic products is slowed down, and the plastic products are not suitable for popularization and use.

Disclosure of Invention

Based on the technical problems in the background art, the invention provides an injection mold and an injection molding method thereof, which have the characteristics of low processing cost, high speed and small labor capacity, and solve the problems of low processing speed caused by high processing cost and large labor capacity of the existing injection mold.

The invention provides the following technical scheme:

an injection mold comprises a mold body, wherein the mold body comprises an upper mold, a lower mold and a hinge, the upper mold and the lower mold are hinged through the hinge, a handle is welded on the right side of the upper mold, a first screw hole and a second screw hole are respectively arranged on the two positive sides of the upper mold, a U-shaped groove is formed in the inner wall of the upper mold, the two ends of the U-shaped groove are respectively communicated with the two positive sides of the upper mold, the two ends of the U-shaped groove are respectively welded with the first screw hole and the second screw hole, a module is fixedly arranged at the bottom of the upper mold, injection molding holes are formed in the inner wall of the upper mold and the inner wall of the module, clamping blocks are fixedly arranged on the two sides of the bottom of the upper mold, a mold groove is formed in the center of the top of the lower mold, clamping grooves matched with the clamping blocks are formed in the two sides of the top, the utility model discloses a mounting structure, including mounting groove, mounting plate, cylindrical surface, the top of mounting plate, the both sides of mounting groove inboard bottom fixed mounting have the fixed plate, the equal fixed mounting in both sides at fixed plate top has the cylinder, the top of fixed plate is provided with the mounting panel, the both sides of mounting panel bottom are established with cylindrical surface cover respectively, the bottom cover that cylindrical surface and lie in the mounting panel is equipped with reset spring, the top fixed mounting of mounting panel has the thimble, and the top of thimble runs through to the inboard of mounting groove, the first through-hole that uses with the thimble cooperation is seted up to the inner wall of bed die, the equal fixed mounting in both sides at mounting panel top has the push rod, the top of push rod runs through to.

Preferably, the surface of the handle is sleeved with the anti-slip sleeve, and the surface of the anti-slip sleeve is provided with anti-slip lines.

Preferably, the top cover that the cylindrical surface and lie in the mounting panel is equipped with the fixture block, and the inboard and the cylindrical surface welding of fixture block.

A mold injection molding method comprises the following steps: firstly, a user operates a handle, the handle drives an upper die to cover the top of a lower die through the cooperation of a hinge, a clamping block is clamped into a clamping groove to limit the upper die, meanwhile, the upper die drives a push rod and an ejector pin to move downwards through the cooperation of gravity, a first through hole and a second through hole, so that the push rod drives a mounting plate to move downwards through cylindrical cooperation, the mounting plate drives a reset spring to do energy storage movement, then the user connects a water inlet pipe and a water outlet pipe to a first screw port and a second screw port respectively in a threaded manner, then the user can push a die body to position the die body at the bottom of an injection molding machine, so that the injection molding machine injects resin into the die body through an injection molding hole, then the user can inject the water into the upper die through the water inlet pipe and then inject the water through the water outlet pipe, thereby rapidly cooling a product, and, the handle drives the upper die to be separated from the lower die through the cooperation of the hinge, and then the reset spring drives each part to reset, so that the ejector pin can eject the product out of the die cavity through the cooperation of the first through hole.

Preferably, when the mounting plate resets upwards, the mounting plate is limited by the limiting block.

Preferably, the diameter of the injection molding hole is 8-12 mm.

The invention provides an injection mold and an injection molding method thereof, wherein the upper mold is lifted only by matching a hinge and a handle when a plastic product needs to be taken down, so that the labor amount of a user is saved, meanwhile, when injection molding is carried out again, only the handle is operated, so that the upper mold is put on the lower mold by matching the hinge, whether a clamping block is clamped in a clamping groove or not is not required to be considered, so that the pulling amount of the user is reduced, the plastic processing speed is accelerated, and the plastic product can be rapidly cooled by cooling water when the mold body is used by matching a U-shaped groove, a first screw and a second screw, so that the condition that the plastic product is deformed due to incomplete cooling when the plastic product is taken out is avoided, and the plastic product processing cost is reduced.

Drawings

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

FIG. 2 is a schematic view of the upper mold, the mold block and the fixture block of the present invention;

FIG. 3 is a cross-sectional view of an upper mold of the present invention;

fig. 4 is a cross-sectional view of a lower mold of the present invention.

In the figure: the mould comprises a mould body 1, an upper mould 2, a lower mould 3, a hinge 4, a handle 5, a first screw socket 6, a second screw socket 7, a U-shaped groove 8, a module 9, an injection molding hole 10, a clamping block 11, a mould groove 12, a clamping groove 13, a mounting groove 14, a fixing plate 15, a cylinder 16, a mounting plate 17, a reset spring 18, an ejector pin 19, a push rod 20 and a limiting block 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

an injection mold comprises a mold body 1, the mold body 1 comprises an upper mold 2, a lower mold 3 and a hinge 4, the upper mold 2 is hinged with the lower mold 3 through the hinge 4, a handle 5 is welded on the right side of the upper mold 2, a first screw 6 and a second screw 7 are respectively arranged on two sides of the front of the upper mold 2, a U-shaped groove 8 is formed in the inner wall of the upper mold 2, two ends of the U-shaped groove 8 are respectively communicated with two sides of the front of the upper mold 2, two ends of the U-shaped groove 8 are respectively welded with the first screw 6 and the second screw 7, a module 9 is fixedly arranged at the bottom of the upper mold 2, injection molding holes 10 are respectively formed in the inner wall of the upper mold 2 and the inner wall of the module 9, clamping blocks 11 are fixedly arranged on two sides of the bottom of the upper mold 2, a mold groove 12 is formed in the center of the top of the lower mold 3, clamping grooves 13 matched with the clamping blocks 11 are formed in use on, the inboard bottom fixed mounting of mounting groove 14 has fixed plate 15, the equal fixed mounting in both sides at fixed plate 15 top has cylinder 16, the top of fixed plate 15 is provided with mounting panel 17, the both sides of mounting panel 17 bottom are established with cylinder 16's surface cover respectively, the bottom cover that cylinder 16's surface and lie in mounting panel 17 is equipped with reset spring 18, mounting panel 17's top fixed mounting has thimble 19, and thimble 19's top runs through to mounting groove 14's inboard, the first through-hole of using with 19 cooperations of thimble is seted up to lower mould 3's inner wall, the equal fixed mounting in both sides at mounting panel 17 top has push rod 20, the top of push rod 20 runs through to lower mould 3's top, the second through-hole of using with 20 cooperations of push rod is.

A method comprising the steps of: firstly, a user operates a handle 5, the handle 5 drives an upper die 2 to cover the top of a lower die 3 through the matching of a hinge 4, a clamping block 11 is clamped into a clamping groove 13 to limit the upper die 2, meanwhile, the upper die 2 drives a push rod 20 and an ejector pin 19 to move downwards through the matching of gravity and a first through hole and a second through hole, so that the push rod 20 drives a mounting plate 17 to move downwards through the matching of a cylinder 16, the mounting plate 17 drives a reset spring 18 to do energy storage movement, then the user connects a water inlet pipe and a water outlet pipe to a first screw port 6 and a second screw port 7 through threads respectively, then the user can push a die body 1 to enable the die body 1 to be positioned at the bottom of an injection molding machine, so that the injection molding machine injects resin into the die body 1 through an injection molding hole 10, then the user can inject water into the upper die 2 through the water inlet pipe and then discharge, therefore, the product is cooled rapidly, and finally, a user can operate the handle 5 to enable the handle 5 to drive the upper die 2 to be separated from the lower die 3 through the cooperation of the hinge 4, and then the reset spring 18 drives each part to reset, so that the ejector pin 19 ejects the product out of the die cavity 12 through the cooperation of the first through hole.

Example one

An injection mold comprises a mold body 1, the mold body 1 comprises an upper mold 2, a lower mold 3 and a hinge 4, the upper mold 2 is hinged with the lower mold 3 through the hinge 4, a handle 5 is welded on the right side of the upper mold 2, an anti-slip sleeve is sleeved on the surface of the handle 5, anti-slip threads are arranged on the surface of the anti-slip sleeve, a first screw 6 and a second screw 7 are respectively arranged on two positive sides of the upper mold 2, a U-shaped groove 8 is arranged on the inner wall of the upper mold 2, two ends of the U-shaped groove 8 are respectively communicated with two positive sides of the upper mold 2, two ends of the U-shaped groove 8 are respectively welded with the first screw 6 and the second screw 7, a module 9 is fixedly arranged at the bottom of the upper mold 2, injection molding holes 10 are respectively arranged on the inner wall of the upper mold 2 and the inner wall of the module 9, clamping blocks 11 are respectively fixedly arranged on two sides of the bottom of the upper mold 2, a mold groove 12 is arranged at the center of the top of the, the inner wall of the lower die 3 is provided with a mounting groove 14, the bottom of the inner side of the mounting groove 14 is fixedly provided with a fixing plate 15, two sides of the top of the fixing plate 15 are both fixedly provided with a cylinder 16, the top of the fixing plate 15 is provided with a mounting plate 17, two sides of the bottom of the mounting plate 17 are respectively sleeved with the surface of the cylinder 16, the surface of the cylinder 16 and the top of the mounting plate 17 are sleeved with a limiting block 21, the inner side of the limiting block 21 is welded with the surface of the cylinder 16, the surface of the cylinder 16 and the bottom of the mounting plate 17 are sleeved with a return spring 18, the top of the mounting plate 17 is fixedly provided with a thimble 19, and the top of thimble 19 runs through to the inboard of mounting groove 14, and the inner wall of bed die 3 has seted up the first through-hole that uses with thimble 19 cooperation, and the both sides at mounting panel 17 top are all fixed mounting have push rod 20, and the top of push rod 20 runs through to the top of bed die 3, and the both sides of bed die 3 inner wall all set up the second through-hole that uses with push rod 20 cooperation.

The sampling method comprises the following steps: firstly, a user operates a handle 5, the handle 5 drives an upper die 2 to cover the top of a lower die 3 through the matching of a hinge 4, a clamping block 11 is clamped into a clamping groove 13 to limit the upper die 2, meanwhile, the upper die 2 drives a push rod 20 and an ejector pin 19 to move downwards through the matching of gravity and a first through hole and a second through hole, so that the push rod 20 drives a mounting plate 17 to move downwards through the matching of a cylinder 16, the mounting plate 17 drives a reset spring 18 to do energy storage movement, then the user connects a water inlet pipe and a water outlet pipe to a first screw port 6 and a second screw port 7 through threads respectively, then the user can push a die body 1 to enable the die body 1 to be positioned at the bottom of an injection molding machine, so that the injection molding machine injects resin into the die body 1 through an injection molding hole 10, then the user can inject water into the upper die 2 through the water inlet pipe and then discharge, therefore, the product is cooled rapidly, and finally, a user can operate the handle 5 to enable the handle 5 to drive the upper die 2 to be separated from the lower die 3 through the cooperation of the hinge 4, and then the reset spring 18 drives each part to reset, so that the ejector pin 19 ejects the product out of the die cavity 12 through the cooperation of the first through hole.

Example two

In the first embodiment, the following steps are added:

the diameter of the injection molding hole 10 is 8-12 mm.

The sampling method comprises the following steps: firstly, a user operates a handle 5, the handle 5 drives an upper die 2 to cover the top of a lower die 3 through the matching of a hinge 4, a clamping block 11 is clamped into a clamping groove 13 to limit the upper die 2, meanwhile, the upper die 2 drives a push rod 20 and an ejector pin 19 to move downwards through the matching of gravity and a first through hole and a second through hole, so that the push rod 20 drives a mounting plate 17 to move downwards through the matching of a cylinder 16, the mounting plate 17 drives a reset spring 18 to do energy storage movement, then the user connects a water inlet pipe and a water outlet pipe to a first screw port 6 and a second screw port 7 through threads respectively, then the user can push a die body 1 to enable the die body 1 to be positioned at the bottom of an injection molding machine, so that the injection molding machine injects resin into the die body 1 through an injection molding hole 10, the diameter of the injection molding hole 10 is 8-12mm, and then the user can inject water into the upper, then the product is discharged through a water outlet pipe, so that the product is rapidly cooled, finally, a user can operate the handle 5, the handle 5 drives the upper die 2 to be separated from the lower die 3 through the matching of the hinge 4, then the return spring 18 drives each part to be reset, and the ejector pin 19 is enabled to eject the product out of the die cavity 12 through the matching of the first through hole.

EXAMPLE III

In the second embodiment, the following steps are added:

when the mounting plate 17 is reset upwards, the mounting plate is limited by the limiting block 21.

The sampling method comprises the following steps: firstly, a user operates a handle 5, the handle 5 drives an upper die 2 to cover the top of a lower die 3 through the matching of a hinge 4, a clamping block 11 is clamped into a clamping groove 13 to limit the upper die 2, meanwhile, the upper die 2 drives a push rod 20 and an ejector pin 19 to move downwards through the matching of gravity and a first through hole and a second through hole, so that the push rod 20 drives a mounting plate 17 to move downwards through the matching of a cylinder 16, the mounting plate 17 is limited through a limiting block 21 when being reset upwards, so that the mounting plate 17 drives a reset spring 18 to do energy storage movement, then the user connects a water inlet pipe and a water outlet pipe to a first screw port 6 and a second screw port 7 through threads respectively, then the user can push the die body 1 to enable the die body 1 to be positioned at the bottom of an injection molding machine, so that the injection machine injects resin into the die body 1 through an injection hole 10, and the diameter of the injection hole 10 is, then the user can be through the inlet tube with the row of water go into mould 2, then go into through the outlet pipe to cool off the product fast, the user can operate handle 5 at last, make handle 5 drive mould 2 through the cooperation of hinge 4 and break away from lower mould 3, then reset spring 18 drives each part and resets, thereby make thimble 19 ejecting from the die cavity 12 through the cooperation of first through-hole with the product can.

According to the invention, through the matching of the hinge 4 and the handle 5, when a plastic product is taken down, only the upper die 2 needs to be lifted, so that the labor amount of a user is saved, and meanwhile, when injection molding is carried out again, only the handle 5 needs to be operated, so that the upper die 2 is covered on the lower die 3 through the matching of the hinge 4, whether the clamping block 11 is clamped into the clamping groove 13 or not is not considered, so that the labor amount of the user is reduced, the plastic processing speed is accelerated, through the matching of the U-shaped groove 8, the first screw opening 6 and the second screw opening 7, the plastic product can be rapidly cooled through cooling water when the die body 1 is used, and the condition that the plastic product is deformed due to incomplete cooling when the plastic product is taken out is avoided, so that the processing cost of the plastic product is reduced.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. An injection mold, comprising a mold body (1), characterized in that: the die body (1) comprises an upper die (2), a lower die (3) and a hinge (4), the upper die (2) is hinged to the lower die (3) through the hinge (4), a handle (5) is welded on the right side of the upper die (2), the two positive sides of the upper die (2) are respectively provided with a first screw (6) and a second screw (7), the inner wall of the upper die (2) is provided with a U-shaped groove (8), the two ends of the U-shaped groove (8) are respectively communicated with the two positive sides of the upper die (2), the two ends of the U-shaped groove (8) are respectively welded with the first screw (6) and the second screw (7), the bottom of the upper die (2) is fixedly provided with a module (9), the inner wall of the upper die (2) and the inner wall of the module (9) are respectively provided with an injection molding hole (10), the two sides of the bottom of the upper die (2) are respectively fixedly provided with a fixture block (11), the die comprises a lower die (3), a die cavity (12) is formed in the center of the top of the lower die (3), clamping grooves (13) matched with clamping blocks (11) for use are formed in the two sides of the top of the lower die (3), a mounting groove (14) is formed in the inner wall of the lower die (3), a fixing plate (15) is fixedly mounted at the inner bottom of the mounting groove (14), cylinders (16) are fixedly mounted on the two sides of the top of the fixing plate (15), a mounting plate (17) is arranged at the top of the fixing plate (15), the two sides of the bottom of the mounting plate (17) are respectively sleeved with the surfaces of the cylinders (16), a reset spring (18) is sleeved on the surface of each cylinder (16) and the bottom of each mounting plate (17), ejector pins (19) are fixedly mounted at the top of the mounting plate (17), the tops of the ejector pins (19) penetrate through the inner side of the mounting groove (14), first through holes, the equal fixed mounting in both sides at mounting panel (17) top has push rod (20), the top of push rod (20) runs through to the top of bed die (3), the second through-hole that uses with push rod (20) cooperation is all seted up to the both sides of bed die (3) inner wall.

2. An injection mold according to claim 1, wherein: the surface of the handle (5) is sleeved with an anti-slip sleeve, and anti-slip lines are arranged on the surface of the anti-slip sleeve.

3. An injection mold according to claim 1, wherein: the top cover that is located mounting panel (17) on the surface of cylinder (16) is equipped with stopper (21), and the inboard of stopper (21) and the surface weld of cylinder (16).

4. A mold injection molding method is characterized in that: the method comprises the following steps: firstly, a user operates a handle (5), the handle (5) drives an upper die (2) to cover the top of a lower die (3) through the matching of a hinge (4), a clamping block (11) is clamped into a clamping groove (13) to limit the upper die (2), meanwhile, the upper die (2) drives a push rod (20) and an ejector pin (19) to move downwards through the matching of gravity and a first through hole and a second through hole, so that the push rod (20) drives a mounting plate (17) to move downwards through the matching of a cylinder (16), the mounting plate (17) drives a reset spring (18) to do energy storage movement, then the user connects a water inlet pipe and a water outlet pipe on a first screw port (6) and a second screw port (7) in a threaded mode respectively, then the user can push a die body (1), the die body (1) is positioned at the bottom of an injection molding machine, and the injection molding machine injects resin into the die body (1) through an injection molding hole (10), then the user can be through the inlet tube with the water drainage in last mould (2), then discharge into through the outlet pipe to cool off the product fast, the user can operate handle (5) at last, make handle (5) drive mould (2) through the cooperation of hinge (4) and break away from bed die (3), then reset spring (18) drive each part and reset, thereby make thimble (19) through the cooperation of first through-hole with the product ejecting can from die cavity (12).

5. The mold injection molding method of claim 6, wherein: when the mounting plate (17) resets upwards, the mounting plate is limited by a limiting block (21).

6. The mold injection molding method of claim 6, wherein: the diameter of the injection molding hole (10) is 8-12 mm.