CN219338376U

CN219338376U - Plastic product processing and forming die

Info

Publication number: CN219338376U
Application number: CN202223527089.6U
Authority: CN
Inventors: 吴朝波; 李永刚
Original assignee: Dongguan Minz Rubber & Plastics Co ltd
Current assignee: Dongguan Minz Rubber & Plastics Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-07-14
Anticipated expiration: 2032-12-27

Abstract

The utility model discloses a plastic product processing and forming die, which relates to the technical field of plastic product processing dies, and adopts the technical scheme that: the upper die and the lower die are characterized in that support columns are fixedly arranged on the outer walls of the upper side and the lower side of the left side of the upper die, a support block is fixedly arranged on the outer wall of each support column, a support ring is fixedly arranged on the outer wall of each support column, the shape of each support ring is a circular ring shape, the shape of each support block is an isosceles triangle shape, guide columns are fixedly arranged on the outer walls of the upper side and the lower side of the left side of the upper die, and a feed inlet is formed in the right side of the upper die, and the upper die has the beneficial effects that: the offset generated by the whole upper die and the whole lower die is smaller, the concentricity between the upper die and the lower die is higher, and the perpendicularity error is reduced, so that the plastic product is not easily deviated from the standard cone after being cast.

Description

Plastic product processing and forming die

Technical Field

The utility model relates to the technical field of plastic product processing dies, in particular to a plastic product processing and forming die.

Background

The prior application number is CN202122926654.5, which discloses a plastic product processing and forming die, and relates to the technical field of plastic product processing, wherein the plastic product processing and forming die comprises a bottom plate, a side plate is arranged on the side edge of the upper end of the bottom plate, a lower die holder is arranged at the upper end of the central position of the bottom plate, a top plate is arranged at the upper end of the side plate, an upper die holder is arranged at the lower end of the top plate, and a cooling component is arranged on the side edge of the side plate; the cooling assembly comprises a water pump, a liquid inlet pipe, a cooling fan, a dust cover, a condensing pipe, a liquid return pipe, a water tank and a liquid suction pipe, wherein the dust cover is arranged inside the side plate.

The prior art has the following defects: the plastic product processing and forming die can be matched with a water cooling assembly through a cooling fan, cold air generated by a condensing pipe can be quickly blown to the periphery of a plastic product to be cooled, so that the cooling speed of the plastic product is accelerated, but the plastic product processing and forming die is only provided with two guide posts and a telescopic rod to bear when an upper die and a lower die are closed, a movable die generates huge lateral offset force during injection, the guide posts mainly play a guiding role in the die, so that the forming surfaces of a core and a cavity are not contacted under any condition, the guide posts cannot be used as a stressed piece or a locating piece, and when the guide posts bear excessive force, the surfaces of the guide posts are pulled, damaged, bent or cut off when the die is seriously opened, and even the die cannot be opened.

Therefore, it is necessary to invent a plastic product processing and molding die.

Disclosure of Invention

Therefore, the utility model provides a plastic product processing and forming die, which aims to solve the problems that the supporting blocks and the supporting rings are additionally arranged on the surfaces of the supporting columns, the stress limit of the supporting columns is enhanced through the supporting blocks, meanwhile, the supporting columns are stressed more uniformly through the annular supporting rings, so that the lateral offset force generated by a movable die in most injection is borne, the offset of the whole upper die and the whole lower die is smaller, the concentricity between the upper die and the lower die is higher, the perpendicularity error is reduced, the plastic product can not easily deviate from a standard cone after being cast again, and the problems that the surfaces of the supporting columns are napped, damaged, bent or cut off in severe cases and even the die cannot be opened in the prior art are solved when the supporting columns bear excessive force.

In order to achieve the above object, the present utility model provides the following technical solutions: the plastic product processing and forming die comprises an upper die and a lower die, wherein supporting columns are fixedly arranged on the outer walls of the upper side and the lower side of the left side of the upper die, supporting blocks are fixedly arranged on the outer walls of the supporting columns, supporting rings are fixedly arranged on the outer walls of the supporting columns, the supporting rings are circular, and the supporting blocks are isosceles triangle.

Preferably, the outer walls of the upper side and the lower side of the left side of the upper die are fixedly provided with guide posts, and the right side of the upper die is provided with a feed inlet.

Preferably, the inner wall of the upper die is provided with a feeding channel, and the left side of the feeding hole is communicated with the right side of the feeding channel.

Preferably, an upper die is arranged on the left inner wall of the upper die, a groove is arranged on the right side of the lower die up and down, and the position of the groove corresponds to the position of the support column.

Preferably, guide post grooves are formed in the upper side and the lower side of the right side of the lower die, and the positions of the guide post grooves correspond to the positions of the guide posts.

Preferably, a lower die is fixedly arranged on the right side of the lower die, the position of the lower die corresponds to the position of the upper die, a root top die column is slidably connected to the inner wall of the lower die, and a moving block is fixedly arranged on the left side of the top die column.

The beneficial effects of the utility model are as follows: through installing the support column, the support block and the support ring are additionally arranged on the surface of the support column, the stress limit of the support column is enhanced through the support block, meanwhile, the support column is stressed more uniformly through the annular support ring, so that the lateral offset force generated by the movable mould during most injection is borne, the offset generated by the whole upper and lower moulds is smaller, the concentricity between the upper mould and the lower mould is higher, the perpendicularity error is reduced, the plastic product is not easily deviated from the standard cone after being cast again,

meanwhile, the material feeding channel is arranged into a triangle, so that the volume of the material near the discharge hole in the material feeding channel is smaller than that near the upper die, the material with small volume is easier to cool, the problem that the material in the upper die and near the upper die is cooled and the material near the discharge hole is not cooled is prevented, the material near the discharge hole is prevented from adhering to the material feeding channel because the material is not cooled, and the occurrence of cracks and damage of plastic products due to the reason during die opening is prevented.

Drawings

FIG. 1 is a cross-sectional view provided by the present utility model;

FIG. 2 is an enlarged view of area B of FIG. 1 in accordance with the present utility model;

FIG. 3 is a front view of a support column according to the present utility model;

fig. 4 is an enlarged view of area a of fig. 1 in accordance with the present utility model.

In the figure: the upper die 1, the lower die 2, the support column 3, the support block 4, the support ring 5, the guide column 6, the feed inlet 7, the feeding channel 8, the upper die 9, the groove 10, the guide column groove 11, the lower die 12, the moving block 13 and the top die column 14.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Referring to fig. 1-4, the plastic product processing and forming die provided by the utility model provides the following technical scheme for achieving the purposes: the plastic product processing and forming die comprises an upper die 1 and a lower die 2, wherein the outer walls of the upper side and the lower side of the left side of the upper die 1 are fixedly provided with support columns 3, the outer walls of the support columns 3 are fixedly provided with 4 support blocks 4, the outer walls of the support columns 3 are fixedly provided with support rings 5, the shape of each support ring 5 is in a circular ring shape, the shape of each support block 4 is in an isosceles triangle shape, the upper die 9 and the lower die 12 are spliced to form the shape of a plastic product by closing the upper die 1 and the lower die 2, so that after materials enter the upper die and the lower die through a feed inlet 7 and a feed channel 8, the shape of a standard plastic product can be formed after cooling, meanwhile, the stress limit of the support columns 3 is reinforced by installing the support columns 3, and the support rings 5 are additionally arranged on the surfaces of the support columns 3, and the support columns 3 are stressed more uniformly by the support rings 5 in a circular ring shape, so that lateral offset force generated by the upper die 1 is born in most injection is reduced, concentricity errors generated between the upper die 9 and the lower die 12 are higher, and verticality errors are reduced.

Further, the outer walls of the upper side and the lower side of the left side of the upper die 1 are fixedly provided with guide posts 6, the right side of the upper die 1 is provided with a feed inlet 7, and the guide posts 6 mainly play a guiding role in the die so as to ensure that the forming surfaces of the core and the cavity are not in collision under any condition, and are connected with an external feeding device through the feed inlet 7, so that materials are conveyed into the die.

Further, the inner wall of the upper die 1 is provided with the feeding channel 8, the left side of the feeding port 7 is communicated with the right side of the feeding channel 8, the feeding channel 8 is internally provided with a triangle, the volume of the material close to the discharging port 7 in the feeding channel 8 is smaller than that of the material close to the upper die 9, the material with small volume is easier to cool, the problem that the material in the upper die 9 and the material close to the upper die 9 are cooled and the material close to the discharging port 7 is not cooled is prevented, the material at the discharging port 7 is prevented from being adhered to the feeding channel 8 because the material is not cooled, and the occurrence of cracks and damages of plastic products during die opening can be prevented because of the reason.

Further, an upper die 9 is arranged on the left inner wall of the upper die 1, a groove 10 is arranged on the right side of the lower die 2 up and down, the position of the groove 10 corresponds to the position of the support column 3, and the support column 3 is clamped through the groove 10.

Further, guide post grooves 11 are formed in the upper side and the lower side of the right side of the lower die 2, the positions of the guide post grooves 11 correspond to the positions of the guide posts 6, and the guide posts 6 are clamped through the guide post grooves 11.

Further, 2 lower dies 12 are fixedly installed on the right side of the lower die 2, the positions of the lower dies 12 and the positions of the upper dies 9 correspond to each other, 6 top die columns 14 are slidably connected to the inner wall of the lower die 2, a moving block 13 is fixedly installed on the left side of each top die column 14, and the moving block 13 is pushed to enable the top die columns 14 to move upwards, so that plastic products are demoulded.

The application process of the utility model is as follows: the material enters into the space formed by splicing the upper die 9 and the lower die 12 through the feed inlet 7 and the feed channel 8, at this time, the supporting blocks 4 and the supporting rings 5 which are additionally arranged on the surfaces of the supporting columns 3 and the supporting columns 3 bear the lateral offset force generated by the upper die 1 when most of injection is carried out, so that the offset generated by the whole upper die and the lower die is smaller, the concentricity between the upper die 9 and the lower die 12 is higher, the perpendicularity error is reduced, during cooling, because the feed channel 8 is arranged into a triangle, the volume of the material in the feed channel 8 at the position close to the feed inlet 7 is smaller than the volume of the material in the position close to the upper die 9, the small volume of the material is easier to cool, the material in the upper die 9 and the material close to the feed inlet 7 is not cooled, the material in the position of the feed outlet 7 is not adhered to the feed channel 8 because of being cooled, the plastic product is prevented from being damaged and cracked when the plastic product is opened, and after the plastic product is pushed to move through the top die block 13, the plastic product is completely cooled, so that the plastic product is completely removed through the top die 13.

The above description is only of the preferred embodiments of the present utility model, and any person skilled in the art may modify the present utility model or make modifications to the present utility model equivalent thereto using the technical solutions described above. Therefore, any simple modification or equivalent made according to the technical solution of the present utility model falls within the scope of the protection claimed by the present utility model.

Claims

1. The utility model provides a plastic products processing forming die, includes mould (1) and bed die (2), both sides outer wall all fixed mounting has support column (3) about last mould (1) left side, support column (3) outer wall fixed mounting has 4 supporting shoe (4), support column (3) outer wall fixed mounting has supporting ring (5), supporting ring (5) appearance is the ring, supporting shoe (4) appearance is isosceles triangle shape.

2. The plastic product processing and forming die according to claim 1, wherein guide posts (6) are fixedly arranged on the outer walls of the upper side and the lower side of the left side of the upper die (1), and a feed inlet (7) is formed in the right side of the upper die (1).

3. The plastic product processing and forming die according to claim 2, wherein a feeding channel (8) is formed in the inner wall of the upper die (1), and the left side of the feeding port (7) is communicated with the right side of the feeding channel (8).

4. The plastic product processing and forming mold according to claim 1, wherein an upper mold (9) is provided on the left inner wall of the upper mold (1), a groove (10) is provided on the right side of the lower mold (2) up and down, and the position of the groove (10) corresponds to the position of the support column (3).

5. The plastic product processing and forming die according to claim 2, wherein guide post grooves (11) are formed in the upper side and the lower side of the right side of the lower die (2), and the positions of the guide post grooves (11) correspond to the positions of the guide posts (6).

6. The plastic product processing and shaping mold according to claim 4, wherein 2 lower molds (12) are fixedly installed on the right side of the lower mold (2), the positions of the lower molds (12) and the positions of the upper molds (9) correspond to each other, 6 top mold columns (14) are slidably connected to the inner wall of the lower mold (2), and a moving block (13) is fixedly installed on the left side of the top mold columns (14).