CN222946113U - Automobile buckle injection mold - Google Patents

Abstract

The application discloses an automobile buckle injection mold, which belongs to the technical field of injection molds and adopts the technical scheme that the automobile buckle injection mold comprises an upper bottom plate and a lower bottom plate, wherein supporting plates are arranged on two sides of the top of the lower bottom plate, a lower mold seat is arranged on the top of each supporting plate, the bottom of the upper bottom plate is fixedly connected with the upper mold seat, hydraulic cylinders are arranged at four corners of the outer wall of the bottom of the upper bottom plate, piston rods of the hydraulic cylinders are connected with the lower mold seat, the lower mold seat is of a hollow structure, electric push rods are arranged on the inner wall of the bottom of the lower mold seat, piston rods of the electric push rods are connected with mold cores, a plurality of mold cavities distributed at equal intervals are formed in the top of each mold core, and ejection mechanisms are arranged on the top of the lower bottom plate and extend into the mold cavities.

Description

Automobile buckle injection mold

Technical Field

The application relates to the technical field of injection molds, in particular to an automobile buckle injection mold.

Background

The die is a tool for forming blanks into workpieces with specific shapes and sizes under the action of external force, is widely used for blanking, die forging, cold heading, extrusion, powder metallurgy workpiece pressing and pressure casting, and the forming processing of compression molding or injection molding of engineering plastics, rubber, ceramics and other products, has specific outline or cavity shapes, can separate the blanks according to outline shapes by using the outline shapes with cutting edges, can obtain corresponding three-dimensional shapes by using the cavity shapes, and generally comprises a movable die and a fixed die, the two parts can be separated and combined, and the workpieces are taken out when separated, and the injection die is needed to be utilized in the production process of automobile buckles.

At present, china patent with the bulletin number of CN220372047U discloses a buckle injection mold for an automobile, which comprises a fixed block, wherein a positioning groove is formed in the fixed block, a forming groove is formed in the positioning groove by sinking downwards, the buckle injection mold also comprises a sliding block longitudinally sliding in the forming groove, the forming groove penetrates through the length of the fixed block, the end part of the sliding block is arc-shaped, the buckle injection mold also comprises an abutting block, an arc-shaped groove is formed in the abutting block, the arc-shaped groove is matched with the arc-shaped end part of the sliding block, a sheet metal plate is placed in the positioning groove, the positioning groove has the positioning effect, then the sliding block is pushed downwards, and the sheet metal plate is subjected to stamping forming along with the movement of the sliding block.

In the prior art, the injection mold for the buckle is similar to the buckle injection mold, and after injection molding is completed, an injection molding part needs to be manually pushed out, so that demolding is difficult, the production efficiency of the automobile buckle is affected, and therefore, the injection mold has a space to be improved.

Disclosure of utility model

Aiming at the defects in the prior art, the utility model aims to provide the injection mold for the automobile buckle, which has the advantages of simple demolding and improved production efficiency of the automobile buckle.

In order to achieve the aim, the technical scheme is that the automobile buckle injection mold comprises an upper bottom plate and a lower bottom plate, wherein support plates are arranged on two sides of the top of the lower bottom plate, a lower mold base is arranged on the top of the support plates, the bottom of the upper bottom plate is fixedly connected with the upper mold base, hydraulic cylinders are arranged at four corners of the outer wall of the bottom of the upper bottom plate, and piston rods of the hydraulic cylinders are connected with the lower mold base;

The lower die holder is of a hollow structure, an electric push rod is arranged on the inner wall of the bottom of the lower die holder, a piston rod of the electric push rod is connected with a die core, a plurality of die cavities distributed at equal intervals are formed in the top of the die core, an ejection mechanism is arranged on the top of the lower bottom plate, and the ejection mechanism extends into the die cavities;

The mounting hole has been seted up at the top of upper plate, the inner wall of mounting hole has pegged graft and has been moulded plastics the pipe, the bottom of moulding plastics the pipe is provided with a plurality of bleeder, a plurality of the bleeder extends to in the die cavity.

Through adopting above-mentioned technical scheme, during the use, utilize the pipe of moulding plastics to add the liquid of moulding plastics to the die cavity from the bleeder, wait to mould plastics liquid after the cooling shaping in the die cavity, control hydraulic cylinder piston rod extension, upper die base and die holder separation, the upper surface of moulding plastics the piece exposes out, control electric putter piston rod shortens, the mold core moves down, ejection mechanism is ejecting to accomplish the drawing of patterns from the die cavity with the moulding plastics piece, the drawing of patterns is simple, has improved the production efficiency of car buckle.

In a preferred embodiment, the ejection mechanism includes a primary ejector pin having a top that is flush with the bottom of the mold cavity.

Through adopting above-mentioned technical scheme, the setting of main ejector pin can conveniently follow the centre of die cavity and come out the injection molding, has improved the ejecting efficiency of injection molding.

In a preferred embodiment, the outer walls of the periphery of the main ejector rod are provided with auxiliary ejector rods, and the tops of the four auxiliary ejector rods are level with four corners of the bottom of the die cavity.

Through adopting above-mentioned technical scheme, the setting of vice ejector pin can conveniently carry out the bearing to the injection molding from the bottom four corners department of injection molding when ejecting the injection molding, has improved the ejecting stability of injection molding.

In a preferred embodiment, a limiting plate is arranged on the inner wall of the lower die holder, a plurality of limiting holes distributed at equal intervals are formed in the top of the limiting plate, and the main ejector rod and the auxiliary ejector rod are both positioned in the limiting holes.

Through adopting above-mentioned technical scheme, the setting of spacing hole can conveniently carry out spacingly to main ejector pin and vice ejector pin, avoids main ejector pin and vice ejector pin to appear the condition emergence of off tracking.

In a preferred embodiment, a sealing gasket is arranged at the top of the mold core.

Through adopting above-mentioned technical scheme, the setting of sealed pad can conveniently seal the clearance between mold core and the upper die base, avoids the condition emergence that the injection molding liquid appears leaking when moulding plastics.

In a preferred embodiment, the gasket is made of silica gel.

Through adopting above-mentioned technical scheme, the sealing gasket texture of silica gel material is softer, can conveniently receive the compression deformation with clearance packing, has improved the sealed effect of mould.

In a preferred embodiment, buffer rods are arranged on two sides of the top of the lower bottom plate, buffer springs are sleeved on the outer walls of the buffer rods, and the top of each buffer rod is connected with the lower die holder.

Through adopting above-mentioned technical scheme, when the hydraulic cylinder control upper die base and die holder compound die, buffer spring has good buffering effect, has improved the life of mould.

Compared with the prior art, the application has the following beneficial effects:

1. When the automobile buckle is used, injection molding liquid is added into a mold cavity from a branch pipe by using an injection molding pipe, after the injection molding liquid is cooled and molded in the mold cavity, a piston rod of a hydraulic cylinder is controlled to be elongated, an upper mold seat is separated from a lower mold seat, the upper surface of an injection molding part is exposed, an electric push rod piston rod is controlled to be shortened, a mold core moves downwards, an ejection mechanism ejects the injection molding part from the mold cavity to finish demolding, and the demolding is simple, so that the production efficiency of the automobile buckle is improved;

2. the auxiliary ejector rod can conveniently support the injection molding piece from four corners at the bottom of the injection molding piece when the injection molding piece is ejected, so that the ejection stability of the injection molding piece is improved;

3. The sealing gasket can conveniently seal the gap between the mold core and the upper mold seat, avoid the leakage of injection molding liquid during injection molding, and ensure that the buffer spring has good buffer effect when the hydraulic cylinder controls the upper mold seat and the lower mold seat to be matched, thereby prolonging the service life of the mold.

Drawings

Fig. 1 is a schematic perspective view of the present embodiment;

FIG. 2 is a schematic view showing the structure of the mold core according to the present embodiment;

Fig. 3 is a schematic view showing the structure of the main jack and the sub jack in this embodiment.

The reference numerals are 1, an upper bottom plate, 2, a lower bottom plate, 3, a supporting plate, 4, a lower die holder, 5, an upper die holder, 6, a hydraulic cylinder, 7, an electric push rod, 8, a die core, 9, a die cavity, 10, an injection molding pipe, 11, a branch pipe, 12, a main ejector rod, 13, a secondary ejector rod, 14, a limiting plate, 15, a sealing gasket, 16, a buffer rod, 17 and a buffer spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure.

In the description of the present disclosure, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc., are based on the directions or positional relationships shown in the drawings, or the directions or positional relationships conventionally put in place when the disclosed product is used, or the directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of description of the present disclosure and for simplification of description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present disclosure.

The automobile buckle injection mold comprises an upper bottom plate 1 and a lower bottom plate 2, wherein supporting plates 3 are arranged on two sides of the top of the lower bottom plate 2, a lower die holder 4 is arranged on the top of each supporting plate 3, an upper die holder 5 is fixedly connected to the bottom of the upper bottom plate 1, hydraulic cylinders 6 are arranged at four corners of the outer wall of the bottom of the upper bottom plate 1, piston rods of the hydraulic cylinders 6 are connected with the lower die holder 4, mounting holes are formed in the top of the upper bottom plate 1, injection molding pipes 10 are inserted into the inner walls of the mounting holes, a plurality of branch pipes 11 are arranged at the bottom of each injection molding pipe 10, and the branch pipes 11 extend into a die cavity 9.

In one embodiment, the lower die holder 4 is of a hollow structure, an electric push rod 7 is mounted on the inner wall of the bottom of the lower die holder 4, a piston rod of the electric push rod 7 is connected with a die core 8, a plurality of die cavities 9 distributed at equal intervals are formed in the top of the die core 8, and an ejection mechanism is arranged on the top of the lower base plate 2 and extends into the die cavities 9;

On the basis of the embodiment, the ejection mechanism comprises a main ejector rod 12, the top of the main ejector rod 12 is flush with the bottom of the die cavity 9, injection molding pieces can be conveniently ejected out of the middle of the die cavity 9 through the main ejector rod 12, ejection efficiency of the injection molding pieces is improved, auxiliary ejector rods 13 are arranged on the peripheral outer walls of the main ejector rod 12, the tops of the four auxiliary ejector rods 13 are flush with the four corners of the bottom of the die cavity 9, the injection molding pieces can be conveniently supported from the four corners of the bottom of the injection molding pieces during ejection of the injection molding pieces through the auxiliary ejector rods 13, ejection stability of the injection molding pieces is improved, limiting plates 14 are arranged on the inner wall of the lower die holder 4, a plurality of equidistantly distributed limiting holes are formed in the top of the limiting plates 14, the main ejector rod 12 and the auxiliary ejector rods 13 can be conveniently limited through the limiting holes, and the occurrence of deviation of the main ejector rods 12 and the auxiliary ejector rods 13 is avoided.

Further, the top of the mold core 8 is provided with the sealing gasket 15, a gap between the mold core 8 and the upper mold base 5 can be conveniently sealed through the sealing gasket 15, leakage of injection molding liquid during injection molding is avoided, the sealing gasket 15 is made of silica gel, the sealing gasket 15 made of silica gel is softer, gap filling can be conveniently carried out through compression deformation, and the sealing effect of the mold is improved.

It is worth mentioning that both sides at the top of lower plate 2 all are provided with buffer rod 16, and buffer spring 17 has been cup jointed to buffer rod 16 outer wall, and buffer rod 16's top is connected with die holder 4, and when the die assembly of hydraulic cylinder 6 control upper die holder 5 and die holder 4, buffer spring 17 has good buffering effect, has improved the life of mould.

The working process and the beneficial effects of the utility model are as follows:

When the injection molding machine is used, injection molding liquid is added into the mold cavity 9 from the branch pipe 11 by using the injection molding pipe 10, after the injection molding liquid is cooled and molded in the mold cavity 9, the piston rod of the hydraulic cylinder 6 is controlled to extend, the upper die seat 5 and the lower die seat 4 are separated, the upper surface of an injection molding piece is exposed, the piston rod of the electric push rod 7 is controlled to be shortened, the mold core 8 moves downwards, the ejection mechanism ejects the injection molding piece from the mold cavity 9 to finish demolding, the demolding is simple, and the production efficiency of an automobile buckle is improved.

The above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the present utility model, and any modifications, equivalent substitutions, improvements, etc. within the design concept of the present utility model should be included in the scope of the present utility model.

Claims (7)

1. The automobile buckle injection mold comprises an upper bottom plate (1) and a lower bottom plate (2), wherein support plates (3) are arranged on two sides of the top of the lower bottom plate (2), a lower mold base (4) is arranged on the top of the support plates (3), and an upper mold base (5) is fixedly connected to the bottom of the upper bottom plate (1), and the automobile buckle injection mold is characterized in that hydraulic cylinders (6) are arranged at four corners of the outer wall of the bottom of the upper bottom plate (1), and piston rods of the hydraulic cylinders (6) are connected with the lower mold base (4);

the lower die holder (4) is of a hollow structure, an electric push rod (7) is arranged on the inner wall of the bottom of the lower die holder (4), a piston rod of the electric push rod (7) is connected with a die core (8), a plurality of die cavities (9) distributed at equal intervals are formed in the top of the die core (8), an ejection mechanism is arranged at the top of the lower base plate (2), and the ejection mechanism extends into the die cavities (9);

The top of upper plate (1) has seted up the mounting hole, the inner wall of mounting hole has pegged graft and has been moulded plastics pipe (10), the bottom of moulding plastics pipe (10) is provided with a plurality of bleeder (11), a plurality of bleeder (11) extend to in die cavity (9).

2. An automotive snap-on injection mould according to claim 1, characterized in that the ejection mechanism comprises a main ejector rod (12), the top of the main ejector rod (12) being flush with the bottom of the mould cavity (9).

3. The automobile buckle injection mold according to claim 2, wherein the outer walls of the periphery of the main ejector rod (12) are provided with auxiliary ejector rods (13), and the tops of the four auxiliary ejector rods (13) are flush with four corners of the bottom of the mold cavity (9).

4. The automobile buckle injection mold according to claim 3, wherein the inner wall of the lower mold base (4) is provided with a limiting plate (14), a plurality of equidistantly distributed limiting holes are formed in the top of the limiting plate (14), and the main ejector rod (12) and the auxiliary ejector rod (13) are both positioned in the limiting holes.

5. The automobile buckle injection mold according to claim 1, wherein a sealing gasket (15) is arranged at the top of the mold core (8).

6. The injection mold of claim 5, wherein the gasket (15) is made of silica gel.

7. The automobile buckle injection mold according to any one of claims 1 to 6, wherein buffer rods (16) are arranged on two sides of the top of the lower base plate (2), buffer springs (17) are sleeved on the outer walls of the buffer rods (16), and the top of the buffer rods (16) is connected with the lower mold base (4).