CN220075483U

CN220075483U - Injection mold

Info

Publication number: CN220075483U
Application number: CN202321333551.0U
Authority: CN
Inventors: 岳鹏程
Original assignee: Zibo Deqi Plastic Industry Technology Co ltd
Current assignee: Zibo Deqi Plastic Industry Technology Co ltd
Priority date: 2023-05-30
Filing date: 2023-05-30
Publication date: 2023-11-24
Anticipated expiration: 2033-05-30

Abstract

The utility model provides an injection mold, which relates to the technical field of plastic buckles and comprises an upper top plate and a lower top plate, wherein a limiting groove is formed in the middle of the bottom end of the upper top plate, a hot runner is movably installed in the middle of the top end of the upper top plate in a penetrating mode, an inclined guide post pressing plate is arranged in the upper top plate, two inclined guide posts are fixedly installed in the bottom of the upper top plate in a penetrating mode, a sliding groove is formed in the top end of the lower top plate, and two sliding blocks are connected to the bottom end of the inner wall of the sliding groove in a sliding mode. According to the utility model, through the cooperation between the first cooling water channel and the second cooling water channel, the finished product after mold entering can be rapidly cooled, and then through the ejection of the two ejector pins, the mold can be rapidly demolded, the injection molding efficiency is improved, and through the cooperation between the inclined guide post and the inclined circular groove, the accurate limiting effect is achieved, the two modules can be more accurately closed, and the produced finished product more meets the production standard.

Description

Injection mold

Technical Field

The utility model relates to the technical field of plastic buckles, in particular to an injection mold.

Background

A clasp is a mechanism for the embedded connection or integral locking of one piece to another, typically for the coupling of plastic pieces, the material of which is typically composed of a plastic material having some flexibility. The buckle connection has the greatest characteristics of convenient installation and disassembly, and can be disassembled without tools. In the production process of plastic buckle, need use injection mold to make the plastic raw materials design, however current mould is after last mould and lower mould separation, and its inside fashioned finished product still has higher temperature, is inconvenient for carrying out quick drawing of patterns, needs the staff to spend certain time and vigor and dismantles, and then has reduced the efficiency of moulding plastics.

Among the prior art, "injection mold for plastic buckle" as in chinese patent No. CN208930613U, including the support frame, cover half and movable mould, the top of cover half surface and the bottom of movable mould surface are overlapped respectively and are equipped with downside connecting frame and upside connecting frame, the left side of downside connecting frame bottom is seted up flutedly, the inside left side of upside connecting frame and the inside left side of downside connecting frame all are seted up and are run through the groove, and the top of recess inner wall and the front and back direction that runs through groove intercommunication recess inner wall top all overlap joint have the cushion, the bottom fixedly connected with branch of cushion, the lower part of two branches opposite sides has all overlap joint the dog, the welding has the telescopic link between two dogs, the left side welding at upside connecting frame top has the fixed block.

In the production process of plastic buckle, need use injection mold to make the plastic raw materials design, however after the last mould of current mould separates with the lower mould, its inside fashioned finished product still has higher temperature, is inconvenient for carrying out quick drawing of patterns, needs the staff to spend certain time and energy and dismantles, and then has reduced the efficiency of moulding plastics, to above-mentioned problem, proposes an injection mold.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, after an upper die and a lower die of the existing die are separated, the finished product formed inside the die also has higher temperature, the die is inconvenient to rapidly demould, and a worker needs to spend a certain time and energy for disassembling, so that the injection efficiency is reduced.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an injection mold, includes roof and lower roof, the spacing groove has been seted up to the bottom and the middle part of going up the roof, go up the top and the middle part of roof and run through movable mounting has the hot runner, the inside of going up the roof is provided with oblique guide pillar clamp plate, the bottom of going up the roof runs through fixed mounting and has two oblique guide pillars, the spout has been seted up on the top of roof down, the inner wall bottom sliding connection of spout has two sliders, the one end of slider is provided with the module, the bottom of roof runs through and is provided with a cooling water route down, the bottom of roof runs through and is provided with two thimbles down, the bottom of roof runs through and is provided with two No. two cooling water routes down.

Preferably, the inclined guide post pressing plates are symmetrically arranged on two sides of the hot runner, and the bottom ends of the two inclined guide post pressing plates are fixedly arranged with one ends of the two inclined guide posts respectively.

Preferably, two straight circular grooves are symmetrically formed in the bottom end of the inner wall of the sliding groove, and a nozzle is arranged at the bottom end of the hot runner.

Preferably, the size of the inclined guide post is the same as that of the inclined circular groove, and the inclined angle of the inclined guide post is the same as that of the inclined circular groove.

Preferably, one end of the second cooling water channel is movably arranged at the bottom ends of the second cooling water channels and the second cooling water channels, and the outer surface of the thimble is movably sleeved with the inner portion of the lower top plate in a penetrating mode.

Preferably, the inner wall size of the limit groove is matched with the outer surface sizes of the two sliding blocks.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. according to the utility model, the finished product after mold feeding can be rapidly cooled through the cooperation between the first cooling water channel and the second cooling water channel, and the mold can be rapidly demolded through the ejection of the two ejector pins, so that the injection molding efficiency is improved.

2. According to the utility model, through the cooperation between the inclined guide post and the inclined circular groove, an accurate limiting effect is achieved, so that the two modules can be more accurately matched, and the produced finished product meets the production standard.

Drawings

Fig. 1 is a perspective view of an injection mold according to the present utility model;

fig. 2 is a cross-sectional view illustrating an injection mold according to the present utility model when disassembled;

FIG. 3 is a cross-sectional view of an injection mold according to the present utility model;

fig. 4 is a bottom perspective view of an injection mold according to the present utility model.

Legend description: 1. an upper top plate; 101. a limit groove; 2. a lower top plate; 21. a chute; 3. a hot runner; 4. a diagonal guide post pressing plate; 5. oblique guide posts; 6. a slide block; 61. an oblique circular groove; 7. a module; 8. a straight round groove; 9. a first cooling water path; 10. a thimble; 11. and a second cooling water path.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides an injection mold, including last roof 1 and roof 2 down, go up roof 1 and roof 2 down when using, need install both at the assigned position of injection molding machine, limit groove 101 has been seted up to the bottom and the middle part of going up roof 1, limit groove 101's effect is the compound die that prevents two slider 6 and lead to two module 7 separately because of outside reason is not accurate enough, go up roof 1's top and middle part run through movable mounting and have hot runner 3, hot runner 3 is responsible for injecting the plastics raw materials after the heating, go up roof 1's inside is provided with oblique guide pillar clamp plate 4, oblique guide pillar clamp plate 4 plays the cushioning effect, reduce rocking of oblique guide pillar 5, go up roof 1's bottom run through fixed mounting has two oblique guide pillar 5, spout 21 has been seted up on roof 2's top down, the inner wall bottom sliding connection of spout 21 has two sliders 6, slider 6's one end is provided with module 7, form the cavity after two module 7 compound dies, plastics raw materials injection cavity after will heating can accomplish the injection molding, no. cooling water route 9 runs through and is responsible for cooling down the plastics buckle after the plastics buckle, make progress through the top 10 after the plastics buckle of cooling water route 9, it is convenient to run through two the top 10 down at the assigned position of ejector pin 2, the ejector pin is connected with two ejector pin's 10 after the ejector pin is cooled down, the top pin is convenient to be cooled down, the top plate is formed by two top of the top plate 11.

As shown in fig. 1, 2 and 3, the inclined guide post pressing plates 4 are symmetrically arranged at two sides of the hot runner 3, the hot runner 3 is responsible for injecting heated plastic raw materials, the bottom ends of the two inclined guide post pressing plates 4 are respectively fixedly arranged with one ends of the two inclined guide posts 5, and the inclined guide post pressing plates 4 play a role in buffering to reduce shaking of the inclined guide posts 5.

As shown in fig. 1, 2 and 3, two straight circular grooves 8 are symmetrically formed at the bottom end of the inner wall of the chute 21, after the two modules 7 are clamped, the inclined circular groove 61 is communicated with the straight circular groove 8, a part of inclined guide posts 5 are positioned in the straight circular groove 8, a nozzle is arranged at the bottom end of the hot runner 3, and the nozzle can uniformly inject heated plastic raw materials into a cavity formed after the two modules 7 are clamped.

As shown in fig. 1, 2 and 3, the size of the oblique guide post 5 is the same as that of the oblique circular groove 61, the inclination angle of the oblique guide post 5 is the same as that of the oblique circular groove 61, and by matching between the oblique guide post 5 and the oblique circular groove 61, an accurate limiting effect is achieved, so that the two modules 7 can be clamped more accurately.

As shown in fig. 1-4, one end of two second cooling waterways 11 is movably arranged at the bottom ends of two modules 7 respectively, the outer surface of the thimble 10 is movably sleeved with the inner portion of the lower top plate 2 in a penetrating manner, and the second cooling waterways 11 can cool the modules 7, so that the molded plastic buckle can be quickly demoulded.

As shown in fig. 1, 2 and 3, the inner wall size of the limit groove 101 is adapted to the outer surface sizes of the two sliders 6, and the limit groove 101 is used for preventing the two sliders 6 from being separated due to external reasons, so that the die assembly of the two modules 7 is not accurate enough.

The application method and the working principle of the device are as follows: during operation, the upper top plate 1 and the lower top plate 2 are firstly respectively arranged at the designated positions of the injection molding machine, then the injection molding machine is opened to start working, the injection molding machine pushes the upper top plate 1 and the lower top plate 2 to gradually combine the two, at the moment, the inclined guide post 5 enters the inclined circular groove 61 and slides in the inclined circular groove 61, during sliding, the inclined guide post 5 exerts thrust on the inner wall of the inclined circular groove 61 to enable the two sliding blocks 6 to slide in opposite directions at the bottom end of the inner wall of the sliding groove 21, the sliding blocks 6 push the connected modules 7 to slide at the bottom end of the inner wall of the sliding groove 21, during sliding, the two sliding blocks 6 gradually combine and then enter the limiting groove 101, when contacting the top end of the inner wall of the limiting groove 101, the two modules 7 finish die assembly, at the moment, the inclined circular groove 61 is communicated with the straight circular groove 8, a part of the inclined guide post 5 is positioned in the inside the straight circular groove 8, then the hot runner 3 injects hot plastic raw materials into a cavity between the two modules 7 after die assembly is completed through a nozzle, after a certain amount of plastic raw materials are injected, the hot runner 3 stops injecting hot plastic raw materials, then the first cooling water channel 9 starts to cool the bottom end of the formed plastic buckle, meanwhile, the second cooling water channel 11 cools the two modules 7 respectively, so that the outer surface of the plastic buckle is cooled, after the first cooling water channel 9 and the second cooling water channel 11 work for a period of time, the injection molding machine separates the upper top plate 1 from the lower top plate 2, the sliding block 6 slides towards the two ends of the sliding groove 21 along with the sliding between the inclined guide post 5 and the inclined circular groove 61, so that the two modules 7 are separated, then the first cooling water channel 9 and the second cooling water channel 11 stop working, the injection molding machine pushes out the two ejector pins 10 through the parts on the first cooling water channel 9 and the second cooling water channel 11, the ejector pins 10 push the cooled plastic buckle to be demolded, the plastic buckle enters a proper storage part, and repeating the steps to repeatedly produce the plastic buckle.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. An injection mold, characterized in that: including last roof (1) and roof (2) down, limit groove (101) have been seted up to the bottom and the middle part of going up roof (1), the top and the middle part of going up roof (1) run through movable mounting and have hot runner (3), the inside of going up roof (1) is provided with oblique guide pillar clamp plate (4), the bottom of going up roof (1) runs through fixed mounting and has two oblique guide pillar (5), spout (21) have been seted up on the top of roof (2) down, the inner wall bottom sliding connection of spout (21) has two sliders (6), the one end of slider (6) is provided with module (7), the bottom of roof (2) runs through and is provided with first cooling water route (9), the bottom of roof (2) runs through and is provided with two thimble (10), the bottom of roof (2) runs through and is provided with two No. two cooling water routes (11), oblique guide pillar clamp plate (4) symmetry set up in the both sides of hot runner (3), two the bottom of oblique guide pillar clamp plate (4) respectively with two oblique guide pillar (5) is fixed one end.

2. An injection mold according to claim 1, wherein: two straight circular grooves (8) are symmetrically formed in the bottom end of the inner wall of the sliding groove (21), and a nozzle is arranged at the bottom end of the hot runner (3).

3. An injection mold according to claim 1, wherein: the size of the inclined guide post (5) is the same as that of the inclined circular groove (61), and the inclination angle of the inclined guide post (5) is the same as that of the inclined circular groove (61).

4. An injection mold according to claim 1, wherein: one end of the second cooling water channel (11) is movably arranged at the bottom ends of the second modules (7), and the outer surface of the thimble (10) is movably sleeved with the inner part of the lower top plate (2) in a penetrating manner.

5. An injection mold according to claim 1, wherein: the inner wall size of the limit groove (101) is matched with the outer surface size of the two sliding blocks (6).