CN106881805B

CN106881805B - Foaming mold for box body with Liang Fapao multi-slide block follow-up mechanism

Info

Publication number: CN106881805B
Application number: CN201710168048.7A
Authority: CN
Inventors: 吕俊斌; 费勤凯; 李伦权; 曹志勇
Original assignee: Chuzhou Hongda Mould Manufacturing Co ltd
Current assignee: Chuzhou Hongda Mould Manufacturing Co ltd
Priority date: 2017-03-21
Filing date: 2017-03-21
Publication date: 2022-11-29
Anticipated expiration: 2037-03-21
Also published as: CN106881805A

Abstract

The invention discloses a foaming mould for a box body with a Liang Fapao multi-slider follow-up mechanism, which comprises a mould shell, wherein the front side and the rear side of the mould shell are both provided with a shell opening and a slider group for covering the shell opening, the slider group comprises driving sliders positioned on two sides of the shell opening and follow-up sliders limited by the two driving sliders to move downwards, the outer side walls of the follow-up sliders are in sliding fit with the inner side walls of the driving sliders, and a mechanical component for pushing the driving sliders to slide is arranged in the mould shell. The invention has simple structure and convenient manufacture, can realize convenient and safe demoulding after foaming is finished by utilizing the sliding fit arrangement of the driving slide block and the follow-up slide block, and is particularly suitable for foaming the inner container of the cross door refrigerator. In addition, due to the simplification of the structure, the foaming quality can be effectively improved, the production efficiency is ensured, the material waste is avoided, the mold cost is reduced, the production period of the product is shortened, the foam leakage can be conveniently cleaned, and the use and the maintenance are time-saving and labor-saving.

Description

Foaming mold for box body with Liang Fapao multi-slide block follow-up mechanism

Technical Field

The invention relates to the technical field of molds, in particular to a foaming mold for a box body with a Liang Fapao multi-slider follow-up mechanism.

Background

Foaming, generally, a foaming material is filled into a mold, heated and melted to form a gas-liquid saturated solution, a large number of micro bubble nuclei are formed through nucleation, the bubble nuclei grow, and a plastic part is manufactured, and the foaming material is widely applied to the field of household appliances such as refrigerators.

With the continuous development of social level, cross-door refrigerators (upper refrigerating chambers and lower refrigerating chambers both adopt a side-by-side door structure) have been used on a large scale due to the advantages of large storage capacity and convenience in opening and closing.

In order to avoid scratching the inner container when the refrigerator body is demoulded after foaming is finished, in the prior art, a foaming mold usually adopts a collapsible mechanism, so that four sides of a mold core are collapsed inwards when the refrigerator body is to be taken out, and safe and convenient demould is realized. But when using it on the cross door refrigerator, not only received the restriction of inner bag, the centre sill can make the application of harmomegathus mechanism more difficult in the cross door refrigerator simultaneously, not only is not convenient for assemble and disassemble maintenance, and the mechanism clearance degree of difficulty is very big when leaking the bubble moreover, also has the defect that the mould is with high costs simultaneously.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides the foaming mold for the box body with the Liang Fapao multi-slider follow-up mechanism, which has the advantages of simple structure, convenience in operation and low manufacturing cost, and can effectively ensure the forming qualification rate of the inner container of the refrigerator, particularly the inner container of the cross-door refrigerator.

The utility model provides a take Liang Fapao many sliders follower mechanism box foaming mould, includes the mould casing, and the front side of mould casing and rear side all are equipped with the shell mouth and cover the sliding block set of shell mouth, and sliding block set is including the initiative slider that is located shell mouth both sides to and the follower slider that is restricted by two initiative sliders and moves down, and the lateral wall sliding fit of follower slider is on the inside wall of initiative slider, is equipped with in the mould casing to be used for promoting the gliding mechanical component of initiative slider.

As a further description of the above technical solution:

the two driving sliding blocks are symmetrically arranged on two sides of a shell opening of the die shell, an accommodating space used for accommodating the two symmetrical follow-up sliding blocks which are not mutually connected is formed between the two driving sliding blocks, the accommodating space is in an isosceles trapezoid shape with a large upper part and a small lower part, and the follow-up sliding blocks are matched with the driving sliding blocks in an inclined plane.

As a further description of the above technical solution:

the mechanical component comprises an air cylinder arranged on the inner wall of a driving sliding block, an L-shaped support lug is arranged on a die shell close to the driving sliding block, the vertical section of the L-shaped support lug is fixed at the bottom of the die shell, the horizontal section extends to the air cylinder, the bottom end of the cylinder body of the air cylinder is connected with the end part of the horizontal section of the L-shaped support lug through a pin shaft, the top of a piston rod of the air cylinder is provided with an air cylinder joint, the middle part of the inner wall of the driving sliding block is provided with a push plate, the push plate is provided with a connecting rod towards the air cylinder joint, the connecting rod is connected with the air cylinder joint through the pin shaft, a U-shaped sliding block guide rib surrounding the push plate is arranged in the die shell, the top end of the sliding block guide rib is fixed in the die shell through a connecting rib body, first linear guide rails are arranged on two side rib bodies on the height direction of the U-shaped surface, a first linear guide rail seat is arranged on the inner wall of the driving sliding block, and is in sliding fit with the first linear guide rails, and the air cylinder pushes the driving sliding block to move on the first linear guide rails;

and a second linear guide rail is arranged on the surface of the driving sliding block facing the follow-up sliding block, the follow-up sliding block is fixed on a second linear guide rail seat, the second linear guide rail seat is in sliding fit with the second linear guide rail, and the follow-up sliding block realizes the movement on the second linear guide rail through the self weight of the follow-up sliding block and the pushing of a foaming part.

As a further description of the above technical solution:

the top of the inner wall of the driving sliding block is provided with a first limiting block opposite to the end of the piston rod of the air cylinder.

As a further description of the above technical solution:

and a second limiting block opposite to the second linear guide rail is arranged on the surface of the driving sliding block facing the follow-up sliding block.

As a further description of the above technical solution:

and a pressure regulating valve and a scavenging valve are arranged on an air pipe connected with the cylinder.

The invention has simple structure and convenient manufacture, can realize convenient and safe demoulding after foaming is finished by utilizing the sliding fit arrangement of the driving slide block and the follow-up slide block, and is particularly suitable for foaming the inner container of the cross door refrigerator. In addition, due to the simplification of the structure, the foaming quality can be effectively improved, the production efficiency is ensured, the material waste is avoided, the mold cost is reduced, the production period of the product is shortened, the cleaning can be conveniently carried out when bubbles leak, and the use and the maintenance are both time-saving and labor-saving.

Drawings

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

FIG. 2 is a schematic structural view of the mold shell according to the present invention;

FIG. 3 is a schematic view of an assembly structure of the driving slider and the follower slider in the present invention;

FIG. 4 is a schematic diagram of the assembly structure of the driving slider and the follower slider (including the pressure regulating valve and the scavenging valve) in the present invention.

Detailed Description

Referring to fig. 1, the foaming mold for the box body with the Liang Fapao multi-slider follow-up mechanism provided by the invention comprises a mold shell 1, wherein a shell opening and a slider group 2 covering the shell opening are arranged on the front side and the rear side of the mold shell 1, the slider group 2 comprises driving sliders 21 positioned on two sides of the shell opening and follow-up sliders 22 limited by the two driving sliders 21 to move downwards, the outer side walls of the follow-up sliders 22 are in sliding fit with the inner side walls of the driving sliders 21, and a mechanical component for pushing the driving sliders 21 to slide is arranged in the mold shell 1.

After foaming, a foaming part (hereinafter, an example is a refrigerator liner, not shown) is covered on the mold, at this time, the mechanical component pushes the driving slider 21, the driving slider 21 moves downwards, when the stroke of the driving slider 21 is in place, a falling space of the follow-up slider 22 is made, at this time, the follow-up slider 22 moves downwards under the self-weight state, so that the aim of smoothly demolding the refrigerator liner is achieved. The mechanical component pushes the driving slide block 21, and the driving slide block 21 and the follow-up slide block 22 are arranged in a sliding fit manner, so that the mold can be stably separated from the refrigerator inner container.

In this embodiment, two driving sliders 21 are symmetrically disposed on two sides of the opening of the mold housing 1, an accommodating space 3 for accommodating two symmetrical follow-up sliders 22 that are not connected to each other is formed between the two driving sliders 21, the accommodating space 3 is in an isosceles trapezoid shape with a large top and a small bottom, and the follow-up slider 4 and the driving slider 21 are in slope fit.

At this time, after the driving slider 21 is in place, the two follower sliders 22 move to the two sides of the center sill respectively through self-weight, so that the formed center sill is not influenced by demoulding.

In this embodiment, referring to fig. 2, the mechanical component includes an air cylinder 4 disposed on an inner wall of the active sliding block 21, a vertical section of an L-shaped support lug 5,L-shaped support lug 5 disposed on the mold housing 1 near the active sliding block 21 is fixed at the bottom of the mold housing 1, a horizontal section extends to the air cylinder 4, a bottom end of a cylinder body of the air cylinder 4 is connected with an end of a horizontal section of the L-shaped support lug 5 through a pin, a piston rod top of the air cylinder 4 is provided with an air cylinder joint 6, a push plate 7 is disposed in a middle portion of an inner wall of the active sliding block 21, the push plate 7 is provided with a connecting rod 8 facing the air cylinder joint, the connecting rod 8 is connected with the air cylinder joint 6 through a pin, a U-shaped sliding block guide rib 9 surrounding the push plate 7 is disposed in the mold housing 1, top ends of the sliding block guide rib 9 are fixed in the mold housing 1 through a connecting rib body, two side ribs of the U-shaped surface are both provided with first linear guide rails 10 in a height direction, a first linear guide seat 11 is mounted on an inner wall of the active sliding fit on the first linear guide rail 10, and the air cylinder 4 pushes the active sliding block 21 to move on the first linear guide rail 10;

referring to fig. 3, a second linear guide rail 12 is arranged on the surface of the driving slider 21 facing the follower slider 22, the follower slider 22 is fixed on a second linear guide rail seat 13, the second linear guide rail seat 13 is in sliding fit with the second linear guide rail 12, and the follower slider 22 realizes the movement on the second linear guide rail 12 through the self-weight of the follower slider and the pushing of the refrigerator inner container.

In this embodiment, referring to fig. 4, a first stopper 14 is disposed on the top of the inner wall of the driving slider 21 and opposite to the end of the piston rod of the cylinder. The purpose is to ensure that the driving slide block 21 can be flush with the surface of the die shell 1 when falling back, and ensure that the follow-up slide block 22 can be in place in the refrigerator liner sleeve.

In this embodiment, referring to fig. 4, a second stopper 15 opposite to the second linear guide 12 is disposed on a surface of the driving slider 21 facing the follower slider 22. The purpose is to ensure that the second linear guide rail 12 does not deform and the foaming quality is not affected when the follower slider 22 laterally receives the foaming force.

In the present embodiment, referring to fig. 4, a pressure regulating valve 16 and a scavenging valve 17 are provided in an air pipe connected to the cylinder 4. The purpose is that the active sliding block 21 is used for controlling the cylinder 4 and moves on the first linear guide rail 10 under the action of the cylinder 4 through the regulation of the pressure regulating valve 16 and the scavenging valve 17, so as to ensure that the speed is completely consistent with the speed of the inner container of the refrigerator in the process of taking off the refrigerator.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. The utility model provides a take Liang Fapao many sliders follower box foaming mould, includes the mould casing, and the front side of mould casing all is equipped with the shell mouth and covers the sliding block set of shell mouth with the rear side, its characterized in that: the sliding block group comprises driving sliding blocks positioned on two sides of a shell opening and follow-up sliding blocks limited by the two driving sliding blocks to move downwards, the outer side walls of the follow-up sliding blocks are in sliding fit with the inner side walls of the driving sliding blocks, a mechanical component used for pushing the driving sliding blocks to slide is arranged in a die shell, the two driving sliding blocks are symmetrically arranged on two sides of the shell opening of the die shell, an accommodating space used for accommodating the two follow-up sliding blocks which are symmetrical and not connected with each other is formed between the two driving sliding blocks, the accommodating space is in an isosceles trapezoid shape with a large upper part and a small lower part, the follow-up sliding blocks are in inclined plane fit with the driving sliding blocks, the mechanical component comprises an air cylinder arranged on the inner wall of the driving sliding block, an L-shaped support lug is arranged on the die shell close to the driving sliding blocks, and the vertical section of the L-shaped support lug is fixed at the bottom of the die shell, the horizontal section extends to the air cylinder, the bottom end of the cylinder body of the air cylinder is connected with the end part of the horizontal section of the L-shaped support lug through a pin shaft, the top of a piston rod of the air cylinder is provided with an air cylinder joint, the middle part of the inner wall of the driving sliding block is provided with a push plate, the push plate is provided with a connecting rod towards the air cylinder joint, the connecting rod is connected with the air cylinder joint through the pin shaft, a U-shaped sliding block guide rib surrounding the push plate is arranged in the mould shell, the top end of the sliding block guide rib is fixed in the mould shell through a connecting rib body, two side rib bodies of the U-shaped surface are respectively provided with a first linear guide rail in the height direction, the inner wall of the driving sliding block is provided with a first linear guide rail seat, the first linear guide rail seat is in sliding fit with the first linear guide rail, and the air cylinder pushes the driving sliding block to move on the first linear guide rail; the surface of the driving sliding block facing the follow-up sliding block is provided with a second linear guide rail, the follow-up sliding block is fixed on a second linear guide rail seat, the second linear guide rail seat is in sliding fit with the second linear guide rail, the follow-up sliding block is pushed by the dead weight of the follow-up sliding block and a foaming part to realize the movement on the second linear guide rail, the top of the inner wall of the driving sliding block is provided with a first limiting block opposite to the end of the piston rod of the air cylinder, and the surface of the driving sliding block facing the follow-up sliding block is provided with a second limiting block opposite to the second linear guide rail.

2. The foaming mold for a box body with Liang Fapao multi-slide block follower mechanism as claimed in claim 1, wherein: and a pressure regulating valve and a scavenging valve are arranged on an air pipe connected with the air cylinder.