CN219360131U

CN219360131U - Variable frequency motor skeleton injection mold

Info

Publication number: CN219360131U
Application number: CN202222440243.XU
Authority: CN
Inventors: 孙强; 季剑鑫; 孙寒亮
Original assignee: Suzhou Wan'an Electronic Technology Co ltd
Current assignee: Suzhou Wan'an Electronic Technology Co ltd
Priority date: 2022-09-15
Filing date: 2022-09-15
Publication date: 2023-07-18
Anticipated expiration: 2032-09-15

Abstract

The utility model belongs to the field of injection molds, and particularly relates to a variable frequency motor skeleton injection mold which solves the problem of low yield in the prior art, and comprises a movable mold, a mounting plate and a skeleton body, wherein four symmetrically arranged mold cores are fixedly arranged in the movable mold through screws, a first mold cavity is arranged in the mold cores, and a polygonal profiling insert and a plurality of annularly and uniformly distributed profiling inserts are sequentially and slidably arranged on the bottom wall of the first mold cavity; through the arrangement of structures such as the polygonal profiling insert, the profiling pressing block, the polygonal profiling pressing piece and the like, an inner ejection mechanism is additionally arranged in the die, and before the die is ejected, the corresponding polygonal profiling insert and the profiling pressing piece are pushed and received into the movable die by the profiling pressing block and the polygonal profiling pressing piece, so that the conditions of product fracture and deformation can be avoided.

Description

Variable frequency motor skeleton injection mold

Technical Field

The utility model relates to the technical field of injection molds, in particular to a variable frequency motor framework injection mold.

Background

At present, injection molding is also called injection molding, which is a molding 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.

The production process of the injection mold for the variable frequency motor framework is as follows: the technical staff find that the winding clamping block of the motor framework is particularly easy to break, deform and the like when the product is taken out, the winding clamping block is thinner, the product is directly ejected out by the ejector pin after the product is molded, and the problem is easy to occur under the condition that no mechanism is used for protecting the winding clamping block with lower strength due to larger cohesion force between the framework and the inner wall of the cavity, so that the yield is caused.

Disclosure of Invention

The utility model aims to provide a variable frequency motor framework injection mold, which solves the problem of low yield.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a variable frequency motor skeleton injection mold, includes movable mould, mounting panel and skeleton body, the inside of movable mould is through the mould benevolence of screw fixed mounting four symmetrical arrangement, and the inside of mould benevolence is equipped with die cavity one, slide in proper order on the diapire of die cavity one and install polygonal profile modeling mold insert and a plurality of profile modeling inserts that are annular equipartition;

symmetrically arranged die legs are fixed on the mounting plate through countersunk bolts, a top plate is slidably arranged between the two die legs, and symmetrically arranged ejector pins are fixed on the top plate through countersunk bolts;

the top parts of the two die feet are fixed with a fixed die together through bolts, a guide post is arranged between the movable die and the fixed die, the fixed die comprises a fixed plate and an inner push plate, and the inner push plate is slidably arranged on the fixed plate;

the fixing plate is provided with a die cavity II corresponding to the die cavity I, one side of the inner pushing plate is fixedly provided with symmetrically arranged pushing rods, the end parts of the four pushing rods are jointly fixed with connecting plates, one side of each connecting plate is fixedly provided with a polygonal profiling pressing piece and a profiling pressing block corresponding to the polygonal profiling insert and the profiling insert, and the connecting plates are arranged in the fixing plate;

the framework body is fixedly provided with a plurality of winding clamping blocks which are uniformly distributed in an annular mode, and a partition gap is formed between every two winding clamping blocks.

Preferably, the fixing plate is provided with a hollow groove, the connecting plate is located in the hollow groove, the connecting plate is provided with guide holes, and every two guide holes are symmetrically arranged on two sides of the corresponding push rod.

Preferably, through holes which are symmetrically arranged are formed in the movable mould, and the guide posts are nested in the corresponding through holes.

Preferably, one side of each of the two die legs is fixedly provided with a cylinder, a piston rod is arranged in each cylinder, and the other end of each piston rod is fixedly connected with the inner pushing plate.

Preferably, the plurality of winding fixture blocks and the skeleton body are of an integrated structure.

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

according to the utility model, through the arrangement of structures such as the polygonal profiling insert, the profiling pressing block, the polygonal profiling pressing piece and the like, an inner ejection mechanism is additionally arranged in the die, the corresponding polygonal profiling insert and the profiling insert are pushed and received into the movable die by the profiling pressing block and the polygonal profiling pressing piece before the die is ejected, in the process, the polygonal profiling insert, the profiling pressing block, the polygonal profiling pressing piece, the movable die and the fixed die are combined to wrap a product, the product is protected on the premise that the winding clamping block of the product is separated from the insert, deformation and fracture of any part of the winding clamping block or the product are avoided, after the inner ejection mechanism is completed, the easily damaged part of the framework is separated from the insert, and then the die is ejected, so that the fracture and deformation of the product can be prevented.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a part of a protruding mold core according to the present utility model;

FIG. 3 is a schematic view of another view of the present utility model;

FIG. 4 is a partial schematic view of a second highlighting mold cavity of the present utility model;

FIG. 5 is a schematic view of the structure of the connecting plate of the present utility model;

FIG. 6 is a schematic view of the connecting plate of the present utility model in a broken away configuration;

FIG. 7 is a schematic view of a structure of a fixing plate according to the present utility model;

fig. 8 is a schematic structural diagram of a skeleton body in the present utility model.

In the figure: 1. a movable mold; 101. a mold core; 102. a first die cavity; 103. polygonal profiling inserts; 104. profiling inserts; 2. a mounting plate; 3. a mold foot; 4. a top plate; 5. a thimble; 6. a fixed mold; 61. a fixing plate; 610. a hollow groove; 611. a connecting plate; 6111. profiling briquetting; 6112. polygonal profiling pressing piece; 6113. a push rod; 6114. a guide hole; 612. a second die cavity; 62. an inner push plate; 7. a guide post; 200. a skeleton body; 201. a winding clamping block; 202. and (5) isolating the gap.

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. 1-8, a variable frequency motor framework injection mold comprises a movable mold 1, a mounting plate 2 and a framework body 200, wherein four symmetrically arranged mold cores 101 are fixedly arranged in the movable mold 1 through screws, a first mold cavity 102 is arranged in the mold cores 101, and a polygonal profiling insert 103 and a plurality of annularly and uniformly distributed profiling inserts are sequentially and slidably arranged on the bottom wall of the first mold cavity 102; symmetrically arranged die legs 3 are fixed on the mounting plate 2 through countersunk bolts, a top plate 4 is slidably arranged between the two die legs 3, and symmetrically arranged ejector pins 5 are fixed on the top plate 4 through countersunk bolts; the top parts of the two die legs 3 are fixed with a fixed die 6 through bolts, a guide post 7 is arranged between the movable die 1 and the fixed die 6, the fixed die 6 comprises a fixed plate 61 and an inner push plate 62, and the inner push plate 62 is slidably arranged on the fixed plate 61; a second die cavity 612 corresponding to the first die cavity 102 is formed in the fixed plate 61, symmetrically arranged push rods 6113 are fixedly arranged on one side of the inner push plate 62, connecting plates 611 are jointly fixed at the end parts of the four push rods 6113, a polygonal profiling pressing part 6112 and a profiling pressing block 6111 corresponding to the polygonal profiling insert 103 and the profiling insert 104 are fixedly arranged on one side of the connecting plates 611, and the connecting plates 611 are arranged in the fixed plate 61; the framework body 200 is fixedly provided with a plurality of winding clamping blocks 201 which are annularly and uniformly distributed, partition gaps 202 are formed between every two of the winding clamping blocks 201, through the arrangement of structures such as the polygonal profiling insert 103, the profiling insert 104, the profiling pressing block 6111 and the polygonal profiling pressing piece 6112, an inner ejection mechanism is additionally arranged in the die, before the die is ejected, the profiling pressing block 6111 and the polygonal profiling pressing piece 6112 are utilized to push the corresponding polygonal profiling insert 103 and the profiling insert 104 into the movable die 1, in the process, the polygonal profiling insert 103, the profiling insert 104, the profiling pressing block 6111, the polygonal profiling pressing piece 6112, the movable die 1 and the fixed die 6 are combined to wrap a product, the product is protected on the premise that the winding clamping block 201 of the product is separated from the insert, deformation and fracture of any part of the winding clamping block 201 or the product are avoided, after the action of the inner ejection mechanism is completed, the framework easy-broken part is separated from the insert, and then the die is ejected, and the condition of breakage and deformation of the product can be prevented.

Referring to fig. 6, a hollow groove 610 is formed in the fixing plate 61, a connecting plate 611 is disposed in the hollow groove 610, and guide holes 6114 are formed in the connecting plate 611, and each two guide holes 6114 are symmetrically disposed on two sides of a corresponding push rod 6113.

Referring to fig. 1, through holes are symmetrically arranged in the movable mold 1, and guide posts 7 are nested in the corresponding through holes.

Referring to fig. 1, a cylinder is fixedly mounted on one side of each of two mold legs 3, a piston rod is disposed in the cylinder, and the other end of the piston rod is fixedly connected with an inner push plate 62.

Referring to fig. 8, a plurality of winding clips 201 and a skeleton body 200 are integrally formed.

The specific implementation process of the utility model is as follows: during production, the movable mould 1 approaches the fixed mould 6 along the guide post 7 under the action of a driving part of the injection molding machine, the movable mould 1 and the fixed mould 6 are closed and then are closed, the mould is completed, a pouring opening of the sizing material driven mould 1 is injected into the mould core 101 to fill a cavity, then a product is molded to obtain a framework body 200, and an inner ejection mechanism acts firstly after the product is molded;

further, the inner ejection mechanism is composed of an inner push plate 62, a push rod 6113, a profiling pressing block 6111 and a connecting plate 611, firstly, the inner push plate 62 moves towards the fixed plate 61 under the action of a driving source, the inner push plate 62 drives the push rod 6113, the connecting plate 611 and a plurality of profiling pressing blocks 6111 and polygonal profiling pressing blocks 6112 which are rigidly connected with the push rod 6113 and the connecting plate, the end parts of the profiling pressing block 6111, the polygonal profiling pressing blocks 6112, the profiling inserts 104 and the polygonal profiling pressing blocks are always kept in close contact, the profiling pressing block 6111, the polygonal profiling pressing blocks 6112, the profiling pressing blocks 103 are gradually separated from the framework body 200, in the separation process, the profiling pressing block 6111, the polygonal profiling pressing blocks 6112, the profiling pressing blocks 104 and the polygonal profiling pressing blocks 103 are always adhered to and combined with products, the fixed plate 61 and the die core 101 are always wrapped outside the products, and the movable die 1 is reset along 7 after the inner ejection process can be ensured;

in addition, after the die opening is completed, the top plate 4 moves under the action of the driving source to drive each thimble 5 to push the corresponding skeleton body 200 to be pushed out, and because the skeleton body 200 is separated from the profiling insert 104 and the polygonal profiling inserts 103 at this time, the cohesion force born by the skeleton body 200 is tiny, only the external main body support is adhered to the die cavity, and the direct ejection cannot deform or break, so that the yield is high.

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. Variable frequency motor skeleton injection mold, including movable mould (1), mounting panel (2) and skeleton body (200), its characterized in that: four symmetrically arranged die cores (101) are fixedly arranged in the movable die (1) through screws, a first die cavity (102) is arranged in the die cores (101), and a polygonal profiling insert (103) and a plurality of annularly and uniformly distributed profiling inserts are sequentially and slidably arranged on the bottom wall of the first die cavity (102);

symmetrically arranged die legs (3) are fixed on the mounting plate (2) through countersunk head bolts, a top plate (4) is slidably arranged between the two die legs (3), and symmetrically arranged ejector pins (5) are fixed on the top plate (4) through countersunk head bolts;

the top parts of the two die legs (3) are fixed with a fixed die (6) through bolts, a guide post (7) is arranged between the movable die (1) and the fixed die (6), the fixed die (6) comprises a fixed plate (61) and an inner push plate (62), and the inner push plate (62) is slidably arranged on the fixed plate (61);

a second die cavity (612) corresponding to the first die cavity (102) is formed in the fixed plate (61), symmetrically arranged push rods (6113) are fixedly arranged on one side of the inner push plate (62), connecting plates (611) are jointly fixed at the end parts of the four push rods (6113), a polygonal profiling pressing piece (6112) and a profiling pressing block (6111) corresponding to the polygonal profiling insert (103) and the profiling insert (104) are fixedly arranged on one side of the connecting plates (611), and the connecting plates (611) are arranged in the fixed plate (61);

the framework body (200) is fixedly provided with a plurality of winding clamping blocks (201) which are uniformly distributed in an annular mode, and partition gaps (202) are formed between every two winding clamping blocks (201).

2. The variable frequency motor skeleton injection mold of claim 1, wherein: the inside of fixed plate (61) has seted up hollow groove (610), connecting plate (611) are located the inside of hollow groove (610), guide hole (6114) have been seted up on connecting plate (611), every two guide hole (6114) symmetrical arrangement is in the both sides of corresponding push rod (6113).

3. The variable frequency motor skeleton injection mold of claim 1, wherein: symmetrically arranged through holes are formed in the movable die (1), and the guide posts (7) are nested in the corresponding through holes.

4. The variable frequency motor skeleton injection mold of claim 1, wherein: one side of each of the two die legs (3) is fixedly provided with a cylinder, a piston rod is arranged in each cylinder, and the other end of each piston rod is fixedly connected with the inner pushing plate (62).

5. The variable frequency motor skeleton injection mold of claim 1, wherein: the winding clamping blocks (201) and the framework body (200) are of an integrated structure.