CN222712696U

CN222712696U - Injection mold

Info

Publication number: CN222712696U
Application number: CN202421008604.6U
Authority: CN
Inventors: 刘隆平
Original assignee: Dongguan Jinsheng Mould Plastic Co ltd
Current assignee: Dongguan Jinsheng Mould Plastic Co ltd
Priority date: 2024-05-10
Filing date: 2024-05-10
Publication date: 2025-04-04
Anticipated expiration: 2034-05-10

Abstract

The utility model discloses an injection mold, which relates to the technical field of molds and comprises an upper mold body, a lower mold body, a base, an auxiliary plate, a support plate and a guide post, wherein two groups of support blocks are arranged at the upper end of the base and close to the bottom of the lower mold body, the middle part of the base is provided with the auxiliary plate, the support plate and the guide post, the outer side of a threaded cylinder is further driven to rotate along a bearing seat through the engagement between a driving gear and a driven gear driven by the output end of a driving motor through the arrangement of a material ejection assembly, and simultaneously the inner side of the threaded cylinder is driven to rotate along the outer side of a support threaded rod, so that the threaded cylinder is in threaded connection with the support threaded rod, the auxiliary plate and the support plate are driven to move upwards, and a plurality of ejector pins are driven to slowly push out plastic products in the moving process of the support plate, thereby facilitating the automatic discharging of the mold and avoiding the damage to the outer surface of the product.

Description

Injection mold

Technical Field

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

Background

The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and precise dimensions. Injection molding is a process used in mass production of parts of complex shape. Specifically, the heated and melted plastic is injected into a die cavity under high pressure by an injection molding machine, and a formed product is obtained after cooling and solidification;

The existing injection mold needs to eject the plastic product through the ejector pin after injection molding is completed, so that the plastic product is unloaded, but when the ejector pin is driven, the ejector pin is driven by the air cylinder to lift and eject the plastic product, and the plastic product is easily damaged due to large impact force, so that the appearance of the plastic product is influenced.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides an injection mold, which solves the problems in the background art.

In order to achieve the purpose, the injection mold is realized by the following technical scheme that the injection mold comprises an upper mold body, a lower mold body and the following components:

The upper end of the base is provided with two groups of supporting blocks close to the bottom of the lower die body, the middle part of the base is provided with an auxiliary plate, a supporting plate and a guide column, and guide holes matched with the guide column are formed in the middle parts of the auxiliary plate and the supporting plate;

The ejection assembly comprises an ejector pin, a moving hole, a supporting threaded rod, a threaded cylinder, a bearing seat, a driven gear, a driving motor arranged at the bottom of the base and a driving gear arranged at the output end of the driving motor.

Further, an injection mold, further comprising:

The injection molding opening is positioned in the middle of the upper die body, penetrates through the upper die body and extends to the lower end of the upper die body.

Further, an injection mold, further comprising:

The number of the sleeves is four, the sleeves are positioned at the corners of the upper die body, and the upper end of the lower die body is connected with positioning columns matched with the sleeves.

Further, the number of the guide posts is four, the guide posts are distributed in an array, and two ends of the guide posts are respectively connected with the lower die body and the base.

Furthermore, the number of the ejector pins is a plurality of groups, and the auxiliary plate, the supporting plate and the inner part of the lower die body are provided with adapting holes which are matched with the ejector pins.

Further, the movable hole is matched with the supporting threaded rod, the supporting threaded rod is matched with the threaded cylinder, the number of the bearing seats is two, the bearing seats are symmetrically distributed, the driven gear is arranged in the middle of the threaded cylinder, and the driven gear is meshed with the driving gear.

Further, the driving motor is connected with the inside of the base through bolts, and the output end of the driving motor is fixedly connected with the driving gear.

Compared with the background art, the injection mold provided by the application comprises an upper mold body, a lower mold body, a base, an injection port and a driving gear and a driven gear are driven by a driving motor to be meshed for realizing slow discharging of plastic products, and a thread cylinder is further driven to rotate along the outer side of a supporting threaded rod, so that a supporting plate, an auxiliary plate and a thimble are driven to push up, and further slow discharging of the plastic products is realized.

The utility model provides an injection mold. Compared with the prior art, the method has the following beneficial effects:

Injection mold, through the setting of liftout subassembly, drive between driving gear and the driven gear through driving motor's the output, further drive the outside of screw thread section of thick bamboo and rotate along the bearing frame, its inside rotates along the outside of supporting the threaded rod simultaneously for screw thread section of thick bamboo carries out threaded connection with the support threaded rod, drives support threaded rod, accessory plate and backup pad and reciprocates, moves the in-process at the backup pad, drives a plurality of groups thimble and slowly pushes up, thereby it is ejecting with plastic goods, make things convenient for the automatic unloading of mould, avoid the surface of product to appear damaging.

Drawings

FIG. 1 is a schematic view of an injection mold;

FIG. 2 is a partially disassembled view of an injection mold;

FIG. 3 is a top view of an injection mold;

fig. 4 is a side cross-sectional view of A-A of fig. 3 of an injection mold.

In the figure, 1, an upper die body; 2, a lower die body, 3, a base, 4, an auxiliary plate, 5, a supporting plate, 6, a guide post, 7, an injection molding opening, 8, a sleeve, 9, a positioning post, 10, a material ejection assembly, 101, a thimble, 102, a moving hole, 103, a supporting threaded rod, 104, a threaded cylinder, 105, a bearing seat, 106, a driven gear, 107, a driving motor, 108 and a driving gear.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the utility model provides an injection mold technical scheme, which comprises an upper mold body 1, a lower mold body 2, a base 3, a lower mold body 2, a lower mold body and a lower mold body, wherein the upper end of the base 3 is close to the bottom of the lower mold body 2 and is provided with two groups of supporting blocks, the middle part of the base 3 is provided with an auxiliary plate 4, a supporting plate 5 and a guide post 6, and guide holes matched with the guide post 6 are formed in the middle parts of the auxiliary plate 4 and the supporting plate 5; the ejector assembly 10, the ejector assembly 10 includes ejector pin 101, removal hole 102, support threaded rod 103, screw barrel 104, bearing frame 105, driven gear 106, driving motor 107 that the base 3 bottom set up and driving motor 107 output are provided with driving gear 108.

In addition, the injection molding opening 7 is positioned in the middle of the upper die body 1, penetrates through the upper die body 1 and extends to the lower end of the upper die body 1, so that plastic products can be conveniently molded, the number of the sleeves 8 is four, the sleeves 8 are positioned at the corners of the upper die body 1, and the upper end of the lower die body 2 is connected with positioning columns 9 matched with the sleeves 8, so that the positioning of the upper die body 1 is facilitated.

The number of the guide posts 6 is four, and the guide posts are distributed in an array, and two ends of each guide post 6 are respectively connected with the lower die body 2 and the base 3, so that the guide posts can conveniently guide the auxiliary plate 4 and the support plate 5 in the ascending and descending processes, and the moving stability of the ejector pins 101 is maintained.

The number of the ejector pins 101 is a plurality of groups, the auxiliary plate 4, the supporting plate 5 and the lower die body 2 are provided with adapting holes adapting to the ejector pins 101, the moving holes 102 adapt to the supporting threaded rods 103, the supporting threaded rods 103 adapt to the threaded cylinders 104, the bearing seats 105 are two groups and are symmetrically distributed, the driven gears 106 are arranged in the middle of the threaded cylinders 104, the driven gears 106 are meshed with the driving gears 108, the driving motor 107 is connected with the inside of the base 3 through bolts, and the output end of the driving motor 107 is fixedly connected with the driving gears 108, so that the ejector pins 101 are slowly ejected upwards, plastic products are slowly ejected out, and blanking is performed.

This injection mold, in the course of the work, the user is with the plastic solution from the middle part of injection molding mouth 7 injection upper die body 1 and lower die body 2, according to the shape of inside to the injection molding is corresponding goods, after cooling shaping, lifts up upper die body 1, carries out slow ejection to the goods through liftout subassembly 10 afterwards, thereby carries out the whereabouts of goods, avoids ejecting fast, causes the damage to the surface of goods.

It should be noted that, through setting up of liftout subassembly 10, in the plastic products carries out the unloading in-process, drive between driving gear 108 and the driven gear 106 through driving motor 107's the output, further drive the outside of screw thread section of thick bamboo 104 and rotate along bearing frame 105, its inside rotates along the outside of supporting threaded rod 103 simultaneously, make screw thread section of thick bamboo 104 carry out threaded connection with supporting threaded rod 103, drive supporting threaded rod 103 and rise along the inside of removal hole 102, drive accessory plate 4 and backup pad 5 simultaneously and shift up, the guiding hole of both inside slides along the outside of guide post 6 simultaneously, in backup pad 5 removal in-process, drive a plurality of groups thimble 101 and slowly push up, thereby it is ejecting with the plastic products, make things convenient for the automatic unloading of mould.

Claims

1. An injection mold, comprising an upper mold body (1) and a lower mold body (2), characterized in that it also comprises:

A base (3), wherein the upper end of the base (3) is provided with two groups of support blocks near the bottom of the lower mold body (2), the middle part of the base (3) is provided with an auxiliary plate (4), a support plate (5) and a guide column (6), and the middle parts of the auxiliary plate (4) and the support plate (5) are both provided with guide holes that are compatible with the guide column (6);

A material ejection assembly (10), the material ejection assembly (10) comprising an ejector pin (101), a movable hole (102), a supporting threaded rod (103), a threaded cylinder (104), a bearing seat (105), a driven gear (106), a driving motor (107) disposed at the bottom of a base (3), and a driving gear (108) disposed at the output end of the driving motor (107).

2. The injection mold according to claim 1, further comprising:

An injection port (7), wherein the injection port (7) is located in the middle of the upper mold body (1) and extends through the upper mold body (1) to the lower end of the upper mold body (1).

3. The injection mold according to claim 1, further comprising:

The sleeves (8) are four in number and are located at the corners of the upper mold body (1); the upper end of the lower mold body (2) is connected to a positioning column (9) that is compatible with the sleeves (8).

4. An injection mold according to claim 1, characterized in that the number of the guide columns (6) is four and they are distributed in an array, and the two ends of the guide columns (6) are respectively connected to the lower mold body (2) and the base (3).

5. An injection mold according to claim 1, characterized in that the number of the ejector pins (101) is a plurality of groups, and the auxiliary plate (4), the support plate (5) and the lower mold body (2) are all provided with matching holes that match the ejector pins (101).

6. An injection mold according to claim 1, characterized in that the movable hole (102) is adapted to the supporting threaded rod (103), the supporting threaded rod (103) is adapted to the threaded barrel (104), the bearing seats (105) are provided in two groups and are symmetrically distributed, the driven gear (106) is arranged in the middle of the threaded barrel (104), and the driven gear (106) is meshed with the driving gear (108).

7. An injection mold according to claim 1, characterized in that the driving motor (107) is connected to the inside of the base (3) by bolts, and a fixed connection is formed between the output end of the driving motor (107) and the driving gear (108).