CN220331872U

CN220331872U - Refrigerator lamp shade injection mold convenient to drawing of patterns

Info

Publication number: CN220331872U
Application number: CN202321457317.9U
Authority: CN
Inventors: 洪军
Original assignee: Shenyang Huasheng Plastic Industry Co ltd
Current assignee: Shenyang Huasheng Plastic Industry Co ltd
Priority date: 2023-06-08
Filing date: 2023-06-08
Publication date: 2024-01-12
Anticipated expiration: 2033-06-08

Abstract

The utility model belongs to the technical field of injection molds, and particularly relates to a refrigerator lampshade injection mold convenient to demold, which comprises a lower mold, wherein a bracket is fixedly connected to the lower mold, an air cylinder is fixedly connected to the bracket, the output end of the air cylinder is fixedly connected with an upper mold, the upper mold is in contact with the lower mold, a fixed block is fixedly connected to the upper mold, a connecting block is fixedly connected to the lower mold, a positioning block is fixedly connected to the fixed block, and a supporting block is fixedly connected to the lower end of the lower mold. The utility model has the advantages that the push plate, the ejector rod, the spring and other parts are arranged, the push plate can be moved, the push plate drives the ejector rod to move, the push plate drives the slide rod to extrude the spring, the ejector rod ejects the formed workpiece, the formed workpiece can be conveniently demoulded, and the problem that the formed workpiece is inconvenient to demould when the refrigerator lampshade injection mold is used is solved.

Description

Refrigerator lamp shade injection mold convenient to drawing of patterns

Technical Field

The utility model relates to the technical field of injection molds, in particular to a refrigerator lampshade injection mold convenient to demold.

Background

Injection molding, also known as injection molding, is a method of injection and molding. The injection molding method has the advantages of high production speed, high efficiency, automation in operation, multiple patterns, various shapes, large size, accurate product size, easy updating of the product, and capability of forming parts with complex shapes, and is suitable for the field of mass production, products with complex shapes and other molding processing. And stirring the completely melted plastic material by a screw at a certain temperature, injecting the plastic material into a die cavity by high pressure, and cooling and solidifying the plastic material to obtain a molded product. The method is suitable for mass production of parts with complex shapes, and is one of important processing methods. When the refrigerator lamp shade is manufactured, the injection mold is required to be used for processing production, and when the refrigerator lamp shade injection mold is used, the formed workpiece is inconvenient to demould.

Disclosure of Invention

The utility model aims to provide a refrigerator lampshade injection mold convenient to demold, which solves the problem that the refrigerator lampshade injection mold is inconvenient to demold a formed workpiece when in use.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a refrigerator lamp shade injection mold convenient to drawing of patterns, includes the bed die, fixedly connected with support on the bed die, fixedly connected with cylinder on the support, the output fixedly connected with of cylinder goes up the mould, go up mould and bed die contact, fixedly connected with fixed block on the mould, fixedly connected with connecting block on the bed die, fixedly connected with locating piece on the fixed block, the lower extreme fixedly connected with supporting shoe of bed die, be provided with demoulding mechanism on the bed die.

Preferably, a positioning groove is formed in the connecting block, a positioning block is connected to the inside of the positioning groove in a sliding mode, and the positioning block can be limited through the design of the positioning groove.

Preferably, the demoulding mechanism comprises a push rod, a push plate, a slide rod, a limiting ring and a spring, wherein the push rod is connected with the lower mould in a sliding manner, the push rod is fixedly connected with the push plate, the push plate is in contact with the lower mould, the slide rod is fixedly connected with the push plate, the slide rod is connected with the lower mould in a sliding manner, the spring is arranged in the lower mould, and the lower mould can be conveniently demoulded through the design of the demoulding mechanism.

Preferably, the number of the sliding rods is two, the two sliding rods are symmetrically distributed on the pushing plate, and the limiting effect on the pushing plate can be achieved through the design of the sliding rods.

Preferably, the lower die is fixedly connected with a limiting ring, a sliding rod is slidably connected in the limiting ring, and the limiting ring is designed to limit the sliding rod.

Preferably, one end of the spring is contacted with the lower die, the other end of the spring is contacted with the sliding rod, and the ejector rod can be driven to reset through the design of the spring.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model has the advantages that the push plate, the ejector rod, the spring and other parts are arranged, the push plate can be moved, the push plate drives the ejector rod to move, the push plate drives the slide rod to extrude the spring, the ejector rod ejects the formed workpiece, the formed workpiece can be conveniently demoulded, and the problem that the formed workpiece is inconvenient to demould when the refrigerator lampshade injection mold is used is solved.

2. The utility model can make the upper die and the lower die have a positioning function when being matched by arranging the fixing blocks, the connecting blocks, the positioning blocks and other parts, and make the upper die and the lower die more accurate when being matched, thereby keeping the workpiece accurate after forming and avoiding the phenomenon of defective products.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a front cross-sectional view of FIG. 1 of the present utility model;

FIG. 3 is an enlarged view of the structure of portion A in FIG. 2 according to the present utility model;

fig. 4 is an enlarged view of the B-section structure in fig. 2 according to the present utility model.

In the figure: 1. a lower die; 2. a bracket; 3. a cylinder; 4. an upper die; 5. a fixed block; 51. a connecting block; 52. a positioning block; 53. a positioning groove; 6. a support block; 7. a demoulding mechanism; 71. a push rod; 72. a push plate; 73. a slide bar; 74. a limiting ring; 75. and (3) a spring.

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, an injection mold for a refrigerator lampshade convenient to demolding comprises a lower mold 1, wherein a support 2 is fixedly connected to the lower mold 1, an air cylinder 3 is fixedly connected to the support 2, an output end of the air cylinder 3 is fixedly connected with an upper mold 4, the upper mold 4 is in contact with the lower mold 1, a fixed block 5 is fixedly connected to the upper mold 4, a connecting block 51 is fixedly connected to the lower mold 1, a positioning block 52 is fixedly connected to the fixed block 5, a positioning groove 53 is formed in the connecting block 51, a positioning block 52 is slidably connected to the inside of the positioning groove 53, the positioning block 52 can be limited through the design of the positioning groove 53, a supporting block 6 is fixedly connected to the lower end of the lower mold 1, and a demolding mechanism 7 is arranged on the lower mold 1.

Referring to fig. 2-4, the demolding mechanism 7 includes a push rod 71, a push plate 72, a slide rod 73, a limiting ring 74 and a spring 75, wherein the push rod 71 is slidably connected to the inside of the lower mold 1, the push rod 71 is fixedly connected with the push plate 72, the push plate 72 is in contact with the lower mold 1, the slide rod 73 is fixedly connected to the push plate 72, the slide rods 73 are slidably connected to the inside of the lower mold 1, the number of the slide rods 73 is two, the two slide rods 73 are symmetrically distributed on the push plate 72, and the slide rods 73 are designed to limit the push plate 72.

Referring to fig. 2-4, the lower mold 1 is fixedly connected with a limiting ring 74, the inside of the limiting ring 74 is slidably connected with a sliding rod 73, the limiting ring 74 is designed to limit the sliding rod 73, a spring 75 is arranged in the lower mold 1, one end of the spring 75 is in contact with the lower mold 1, the other end of the spring 75 is in contact with the sliding rod 73, the spring 75 is designed to drive the ejector rod 71 to reset, and the ejector rod 1 is conveniently ejected by the design of the ejection mechanism 7.

The specific implementation process of the utility model is as follows: when the die is used, the cylinder 3 is started, the output sheet of the cylinder 3 drives the upper die 4 to move, the upper die 4 drives the fixed block 5 to move, the fixed block 5 drives the positioning block 52 to move, the positioning block 52 slides out of the positioning groove 53 on the connecting block 51, the upper die 4 is separated from the lower die 1, then the push plate 72 is pushed, the push plate 72 drives the slide rod 73 to move, the slide rod 73 slides in the limiting ring 74, the slide rod 73 extrudes the spring 75, the push plate 72 drives the ejector rod 71 to slide in the lower die 1, the ejector rod 71 ejects a formed workpiece, and the die stripping of the workpiece can be facilitated.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Refrigerator lamp shade injection mold convenient to drawing of patterns, including bed die (1), its characterized in that: fixedly connected with support (2) on bed die (1), fixedly connected with cylinder (3) on support (2), the output fixedly connected with of cylinder (3) goes up mould (4), go up mould (4) and bed die (1) contact, fixedly connected with fixed block (5) on going up mould (4), fixedly connected with connecting block (51) on bed die (1), fixedly connected with locating piece (52) on fixed block (5), the lower extreme fixedly connected with supporting shoe (6) of bed die (1), be provided with demoulding mechanism (7) on bed die (1).

2. The refrigerator lamp cover injection mold convenient to demolding according to claim 1, wherein: the connecting block (51) is provided with a positioning groove (53), and the inside of the positioning groove (53) is connected with a positioning block (52) in a sliding way.

3. The refrigerator lamp cover injection mold convenient to demolding according to claim 1, wherein: the demolding mechanism (7) comprises a push rod (71), a push plate (72), a slide rod (73), a limiting ring (74) and a spring (75), wherein the push rod (71) is connected to the lower mold (1) in a sliding manner, the push plate (72) is fixedly connected to the push rod (71), the push plate (72) is in contact with the lower mold (1), the slide rod (73) is fixedly connected to the push plate (72), the slide rod (73) is connected to the lower mold (1) in a sliding manner, and the spring (75) is arranged in the lower mold (1).

4. The refrigerator lamp cover injection mold convenient to demolding according to claim 3, wherein: the number of the sliding rods (73) is two, and the two sliding rods (73) are symmetrically distributed on the push plate (72).

5. The refrigerator lamp cover injection mold convenient to demolding according to claim 3, wherein: the lower die (1) is fixedly connected with a limiting ring (74), and the inside of the limiting ring (74) is connected with a sliding rod (73) in a sliding mode.

6. The refrigerator lamp cover injection mold convenient to demolding according to claim 3, wherein: one end of the spring (75) is in contact with the lower die (1), and the other end of the spring (75) is in contact with the sliding rod (73).