CN219486466U

CN219486466U - Inclined top structure with internal movable insert

Info

Publication number: CN219486466U
Application number: CN202222542308.1U
Authority: CN
Inventors: 韩珩
Original assignee: Jingtairui Precision Industry Guangdong Co ltd
Current assignee: Jingtairui Precision Industry Guangdong Co ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-08-08
Anticipated expiration: 2032-09-26

Abstract

The utility model relates to the technical field of injection molding, in particular to an inclined top structure with an internal movable insert; the injection molding device comprises a fixed die holder and a movable die holder, wherein the movable die holder is matched with the fixed die holder so as to form a cavity between the fixed die holder and the movable die holder, a fixed die plate is arranged at the upper end of the fixed die holder, movable die heads are arranged on two sides of the fixed die heads, the fixed die heads and the movable die heads on the fixed die plate form the lower half part of the cavity, and an injection molding channel communicated with a molding cavity is arranged on the fixed die plate; the fixed die seat is internally provided with a die withdrawing assembly, and the die withdrawing assembly is connected with the two movable die heads in a matching way so that the die withdrawing assembly can move up and down on two sides of the fixed die heads; the utility model has reasonable structure, the two movable die heads are respectively attached to the inclined planes at the two sides of the fixed die head, the linkage rod pushes the movable die heads to rise along the inclined planes, the distance between the two movable die heads is reduced, and meanwhile, the product is driven to be separated from the fixed die heads, so that the demoulding efficiency and the demoulding effect are better.

Description

Inclined top structure with internal movable insert

Technical Field

The utility model relates to the technical field of injection molding, in particular to an inclined top structure with an internal movable insert.

Background

The injection molding machine is a main molding device for manufacturing plastic products with various shapes by using a plastic molding die, the working principle of the injection molding machine is similar to that of an injector for injection, the plastic in a plasticized molten state is injected into a closed die cavity by the thrust of a screw rod, and the technical process of obtaining the products after solidification and shaping is carried out. The conventional injection mold is generally composed of an upper mold and a lower mold, the upper mold and the lower mold are matched to form a cavity between the upper mold and the lower mold, some products are of curved surface structures, the cavity needs to be reversely buckled, various concave-convex structures exist on the surfaces of the products, the products after mold opening are reversely buckled on the molding surface of the lower mold, the demolding is difficult, and the products are easily damaged in the demolding process. Accordingly, the prior art is still in need of improvement and development.

Disclosure of Invention

The utility model aims to overcome the defects and shortcomings of the prior art and provide an inclined top structure with a reasonable structure and an internal movable insert.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model discloses an inclined top structure with an internal movable insert, which comprises a fixed die holder and a movable die holder, wherein the movable die holder is matched with the fixed die holder so as to form a cavity between the fixed die holder and the movable die holder; the fixed die seat is internally provided with a die withdrawing assembly, and the die withdrawing assembly is connected with the two movable die heads in a matched manner so that the die withdrawing assembly can move up and down on two sides of the fixed die heads.

According to the scheme, the matching surface between the movable die head and the fixed die head is an inclined surface, and the inclined surface is arranged at an included angle with the vertical direction; the die withdrawing assembly can drive the movable die head to move up and down along the inclined plane.

According to the scheme, two guide holes are formed in the fixed die plates on two sides of the fixed die head, two linkage rods are arranged on the die withdrawing assembly, the upper ends of the two linkage rods movably penetrate through the corresponding guide holes, and the upper ends of the linkage rods are connected with the corresponding movable die heads in a matched mode.

According to the scheme, be equipped with two spacing sliding sleeves on the bottom surface of fixed die plate, spacing sliding sleeve pairs with the lower port of guiding hole and sets up, the gangbar movably wears to locate spacing sliding sleeve and guiding hole in.

According to the scheme, the die withdrawing assembly comprises a base plate, the base plate can move up and down in the fixed die seat, and the lower end of the linkage rod is connected with the base plate in a matched mode.

According to the scheme, be equipped with two and move about the slide on the base plate, two move about the slide and fix the setting on the base plate with mutual interval, move about and be equipped with the hinge seat on the slide, thereby the hinge seat is connected along its horizontal translation with moving about the slide cooperation, and the lower extreme of two gangbars rotates with the hinge seat that corresponds to be connected.

According to the scheme, the outside of activity die head is equipped with the activity inlay, has seted up the recess on the lateral surface of activity die head, and activity inlay detachably installs in the recess, and is equipped with the button plug-in components between activity inlay and the activity die head.

The utility model has the beneficial effects that: the utility model has reasonable structure, the base plate can move up and down in the fixed die seat by the driving of the air cylinder component, when the base plate descends to the initial position, the two movable die heads are respectively attached to the inclined planes at the two sides of the fixed die head to form the lower half part of the cavity, after the movable die seat is separated after the injection molding, the base plate pushes the movable die heads to ascend along the inclined planes through the linkage rod, the distance between the two movable die heads is reduced, meanwhile, the product is driven to be separated from the fixed die heads, the demolding efficiency and the demolding effect are better, and the problem that the product is difficult to demold due to the buckle structure is prevented.

Drawings

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

FIG. 2 is an enlarged schematic view of the portion A in FIG. 1;

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

fig. 4 is a schematic view of the front cross-sectional structure of the present utility model.

In the figure:

1. a fixed die holder; 2. a stationary mold plate; 3. a movable die head; 11. a linkage rod; 12. a substrate; 13. a travelling slide; 14. a hinge base; 21. fixing the die head; 22. an injection molding channel; 23. a guide hole; 24. a limit sliding sleeve; 31. a movable insert; 32. a button insert.

Detailed Description

The technical scheme of the utility model is described below with reference to the accompanying drawings and examples.

As shown in fig. 1-4, the inclined top structure with the internal movable insert comprises a fixed die holder 1 and a movable die holder 1, wherein the movable die holder is matched with the fixed die holder 1 so as to form a cavity between the fixed die holder and the movable die holder, a fixed die plate 2 is arranged at the upper end of the fixed die holder 1, a fixed die head 21 is arranged on the fixed die plate 2, movable die heads 3 are arranged on two sides of the fixed die head 21, clamping structures are arranged on two sides of the movable die head 3, the fixed die head 21 and the movable die head 3 on the fixed die plate 2 form the lower half part of the cavity, and an injection molding channel 22 communicated with a forming cavity is arranged on the fixed die plate 2; the fixed die seat 1 is internally provided with a die withdrawing assembly, and the die withdrawing assembly is matched and connected with the two movable die heads 3 so as to enable the die withdrawing assembly to move up and down on two sides of the fixed die head 21. The die withdrawing assembly can move up and down in the fixed die seat 1, so that the two movable dies 3 are driven to move up and down along the fixed die head 21. The movable die head 3 is matched with the fixed die head 21 to form the lower half part of the cavity when in an initial position, and the movable die holder is matched with the fixed die holder 1 to carry out injection molding so as to mold a product in the cavity. When demoulding, the movable die holder is separated from the fixed die holder 1 upwards, and the movable die head 3 is separated from the fixed die head 3 when the movable die head 3 is driven to move upwards by the retreating die assembly, and meanwhile, a product is driven to be separated from the fixed die head 3. Preferably, in the process of ascending the two movable dies 3, the distance between the two movable dies is reduced to separate the product from the movable dies, the demolding action can be completed once, and the problem that the product is difficult to demold due to the buckling structure on the movable dies 3 is prevented.

The mating surface between the movable die head 3 and the fixed die head 21 is an inclined surface, and the inclined surface is arranged at an included angle with the vertical direction; the die withdrawing assembly can drive the movable die head 3 to move up and down along the inclined plane. The two sides of the fixed die head 21 are provided with inclined planes, and the mating surfaces of the movable die heads 3 are also inclined planes, so that the movable die heads 3 can move up and down along the inclined planes on the two sides of the fixed die head 21, and when the two movable die heads 3 go up, the distance between the two movable die heads becomes smaller so as to be separated from a product.

Two guide holes 23 are formed in the fixed die plates 2 on two sides of the fixed die head 21, two linkage rods 11 are arranged on the die withdrawing assembly, the upper ends of the two linkage rods 11 movably penetrate through the corresponding guide holes 23, and the upper ends of the linkage rods 11 are connected with the corresponding movable die heads 3 in a matched mode. Two guide holes 23 are symmetrically formed in two sides of the fixed die head 21, the guide holes 23 penetrate through the fixed die plate 2, the linkage rod 11 can move up and down along the guide holes 23, and then the die withdrawing assembly can drive the two movable die heads 3 to move up and down through the linkage rod 11.

Two limiting sliding sleeves 24 are arranged on the bottom surface of the fixed die plate 2, the limiting sliding sleeves 24 are arranged in a matched mode with the lower ports of the guide holes 23, and the linkage rod 11 is movably arranged in the limiting sliding sleeves 24 and the guide holes 23 in a penetrating mode. The limiting sliding sleeve 24 is used for limiting the movement track of the linkage rod 11, so that the movement track of the linkage rod 11 is parallel to the inclined plane on the fixed die head 21, and the lubricant is added on the limiting sliding sleeve 24, so that the friction force of the linkage rod 11 and the movable die head 3 during movement can be reduced, the flexibility is improved, and the service life is prolonged.

The die withdrawing assembly comprises a base plate 12, the base plate 12 can move up and down in the fixed die seat 1, and the lower end of the linkage rod 11 is connected with the base plate 12 in a matched mode. The base plate 12 is used as a driving component of the linkage rod 11 and the movable die heads 3, the base plate 12 is driven by an air cylinder, and the base plate 12 can synchronously drive the two linkage rods 11 to move when moving up and down, so that the action synchronism of the two movable die heads 3 is ensured.

The base plate 12 is provided with two movable sliding seats 13, the two movable sliding seats 13 are fixedly arranged on the base plate 12 at intervals, the movable sliding seats 13 are provided with hinge seats 14, the hinge seats 14 are connected with the movable sliding seats 13 in a matched mode so as to transversely translate along the movable sliding seats 13, and the lower ends of the two linkage rods 11 are connected with the corresponding hinge seats 14 in a rotating mode. When the linkage rod 11 moves up and down along the guide hole 23, the lower end of the linkage rod 11 has transverse displacement, and the travelling slide seat 13 can transversely translate along the base plate 12 along with the movement of the linkage rod 11, so that the linkage rod 11 can smoothly move up and down along the guide hole 23.

The outside of movable die head 3 is equipped with movable insert 31, and the recess has been seted up on the lateral surface of movable die head 3, and movable insert 31 detachably installs in the recess, and is equipped with button plug-in components 32 between movable insert 31 and the movable die head 3. The movable insert 31 is used for matching the movable die head 3 to realize the change of the style shape, and the movable insert 31 is detachably arranged on the groove through the button plug-in 32, so that the style of a product is convenient to adjust and the die is convenient to maintain.

The foregoing description is only of the preferred embodiments of the utility model, and all changes and modifications that come within the meaning and range of equivalency of the structures, features and principles of the utility model are therefore intended to be embraced therein.

Claims

1. The utility model provides a take inside movable mold insert to one side top structure, includes fixed die base (1) and movable die base, thereby the movable die base pairs with fixed die base (1) and forms die cavity between the two, its characterized in that: the upper end of the fixed die seat (1) is provided with a fixed die plate (2), the fixed die plate (2) is provided with a fixed die head (21), both sides of the fixed die head (21) are provided with movable die heads (3), both sides of the movable die heads (3) are provided with buckle structures, the fixed die head (21) and the movable die heads (3) on the fixed die plate (2) form the lower half part of the cavity, and the fixed die plate (2) is provided with an injection molding channel (22) communicated with the forming cavity; the fixed die seat (1) is internally provided with a die withdrawing assembly, and the die withdrawing assembly is connected with the two movable die heads (3) in a matched manner so that the die withdrawing assembly can move up and down on two sides of the fixed die heads (21).

2. The tilt head structure with internal movable insert according to claim 1, wherein: the mating surface between the movable die head (3) and the fixed die head (21) is an inclined surface, and the inclined surface is arranged at an included angle with the vertical direction; the die withdrawing assembly can drive the movable die head (3) to move up and down along the inclined plane.

3. The tilt head structure with internal movable insert according to claim 2, wherein: two guide holes (23) are formed in the fixed die plates (2) on two sides of the fixed die head (21), two linkage rods (11) are arranged on the die withdrawing assembly, the upper ends of the two linkage rods (11) movably penetrate through the corresponding guide holes (23), and the upper ends of the linkage rods (11) are connected with the corresponding movable die heads (3) in a matched mode.

4. The tilt head structure with internal movable insert according to claim 3, wherein: two limiting sliding sleeves (24) are arranged on the bottom surface of the fixed die plate (2), the limiting sliding sleeves (24) are arranged in a matched mode with the lower ports of the guide holes (23), and the linkage rod (11) movably penetrates through the limiting sliding sleeves (24) and the guide holes (23).

5. The tilt head structure with internal movable insert according to claim 3, wherein: the die-stripping component comprises a base plate (12), the base plate (12) can move up and down in the fixed die seat (1), and the lower end of the linkage rod (11) is connected with the base plate (12) in a matched mode.

6. The tilt head structure with internal movable insert according to claim 5, wherein: two moving sliding seats (13) are arranged on the base plate (12), the two moving sliding seats (13) are fixedly arranged on the base plate (12) at intervals, a hinge seat (14) is arranged on the moving sliding seats (13), the hinge seat (14) is connected with the moving sliding seats (13) in a matched mode so as to transversely translate along the moving sliding seats, and the lower ends of the two linkage rods (11) are rotationally connected with the corresponding hinge seats (14).

7. The tilt head structure with internal movable insert according to claim 1, wherein: the outside of movable die head (3) is equipped with movable insert (31), has seted up the recess on the lateral surface of movable die head (3), and movable insert (31) detachably installs in the recess, and is equipped with button plug-in components (32) between movable insert (31) and movable die head (3).