CN222590558U - Injection molding die convenient to key cap drawing of patterns - Google Patents

Abstract

The utility model discloses an injection molding die convenient for demolding of a key cap, which comprises a mounting base, wherein the top of the mounting base is fixedly connected with a lower die, a sleeve is sleeved on the surface of the lower die, an ejector plate is arranged in the lower die, an upper die is arranged above the lower die, and a lower die is arranged on the upper die. The utility model realizes the injection molding die which is convenient for demolding of the key cap by the mutual coordination among the mounting base, the lower die, the sleeve, the ejector plate and the upper die, the injection molding raw material is injected into the lower die, the lifting cylinder pushes the lifting frame to descend, the upper die presses down the sleeve, the reset spring stretches until the sleeve is flush with the lower die under the driving of the supporting rod, the stamping operation is completed, the upper die ascends, the reset spring rebounds, the sleeve is driven to ascend, the ejector plate ascends, the stamped key cap is ejected out, the sticking of the key cap is avoided, and the processing efficiency is improved.

Description

Injection molding die convenient to key cap drawing of patterns

Technical Field

The utility model relates to the technical field of injection molding dies, in particular to an injection molding die convenient for demolding a key cap.

Background

In the technical field of keyboard production, most manufacturers generally adopt a single button mould shaping mode to carry out key cap injection molding, because the button is less, injection molding mould injection molding among the prior art later, the finished product takes place to glue easily in the mould, leads to the drawing of patterns comparatively difficult, has reduced machining efficiency, therefore, need propose the injection molding mould of the drawing of patterns of key cap of being convenient for.

Disclosure of utility model

Aiming at the problems in the prior art, the utility model provides an injection molding die which is convenient for demolding a key cap.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

An injection molding die convenient for demolding a key cap comprises a mounting base, a lower die and a lower die, wherein the top of the mounting base is fixedly connected with the lower die;

the sleeve is sleeved on the surface of the lower die;

The ejector plate is arranged in the lower die;

And the upper die is arranged above the lower die.

The injection molding mold convenient for demolding the keycaps, wherein the bottom of the ejector plate is fixedly connected with the connecting rod;

the bottom plate is fixedly connected to the bottom of the connecting rod;

and a connecting rod connecting the sleeve with the base plate.

The injection molding mold convenient for demolding the key cap is characterized in that a chute is formed in the top of the mounting base;

the sliding rod is fixedly connected to the inside of the sliding groove;

The sliding block is sleeved on the surface of the sliding rod;

And the return spring is used for connecting the sliding block with the sliding groove.

The injection molding mold convenient for demolding the key cap, wherein the surface of the sleeve is fixedly connected with the mounting block;

and the support rod is used for connecting the mounting block with the sliding block.

The injection molding die convenient for demolding of the key cap is characterized in that a cutter groove is formed in the top of the lower die;

the cutting knife is fixedly connected to the bottom of the upper die, and the cutting knife corresponds to the knife groove in position.

The injection molding die convenient for demolding of the key cap is characterized in that the top of the upper die is fixedly connected with a lifting frame;

The air cavity is formed in the lifting frame;

the air outlet is used for communicating the upper die with the air cavity;

the air pipe connector is fixedly connected to the top of the lifting frame and communicated with the air cavity.

The injection molding mold convenient for demolding the keycaps, wherein the top of the mounting base is fixedly connected with four fixing rods;

The top plate is fixedly connected to the top of the fixing rods and connects the four fixing rods;

and the lifting cylinder is fixedly connected to the bottom of the top plate.

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

1. The utility model realizes the injection molding die which is convenient for demolding of the key cap by the mutual coordination among the mounting base, the lower die, the sleeve, the ejector plate and the upper die, the injection molding raw material is injected into the lower die, the lifting cylinder pushes the lifting frame to descend, the upper die presses down the sleeve, the reset spring stretches until the sleeve is flush with the lower die under the driving of the supporting rod, the stamping operation is completed, the upper die ascends, the reset spring rebounds, the sleeve is driven to ascend, the ejector plate ascends, the stamped key cap is ejected out, the sticking of the key cap is avoided, and the processing efficiency is improved.

2. According to the utility model, the cutting knife is arranged to cut the edge of the stamped keycap, so that the molding effect of the product is improved.

3. According to the utility model, the air cavity and the air exhaust hole are arranged to blow air to the gap between the upper die and the lower die, so that the cooling speed of the key cap after stamping is accelerated, and the processing efficiency is accelerated.

4. According to the utility model, the cutter groove is arranged to store the cutting knife, so that the cutting knife is prevented from being damaged due to collision in the stamping process.

Drawings

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

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

FIG. 3 is a cross-sectional view of the lift frame, air chamber and vent of the present utility model.

In the figure:

1 mounting base, 2 lower mould, 3 sleeve, 4 ejector plate, 5 upper mould, 6 connecting rod, 7 bottom plate, 8 connecting rod, 9 spout, 10 slide bar, 11 slider, 12 reset spring, 13 installation piece, 14 bracing piece, 15 sword groove, 16 cutting knife, 17 crane, 18 air cavity, 19 exhaust hole, 20 air pipe joint, 21 dead lever, 22 roof, 23 lift cylinder.

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.

As shown in figures 1-3, the injection molding die convenient for demolding of the keycaps comprises a mounting base 1, wherein a chute 9 is formed in the top of the mounting base 1.

The slide bar 10, the slide bar 10 is fixedly connected in the interior of the chute 9.

The sliding block 11 is sleeved on the surface of the sliding rod 10.

A return spring 12, the return spring 12 connects the slider 11 with the chute 9.

The top fixedly connected with bed die 2 of installation base 1, knife slot 15 has been seted up at the top of bed die 2, accomodates cutting knife 16, avoids cutting knife 16 to take place to collide with and damage in the punching press in-process.

The cutting knife 16, the bottom of cutting knife 16 fixed connection at last mould 5, the cutting knife 16 is corresponding with the position of sword groove 15, cuts the key cap limit after the punching press, has promoted the shaping effect of product.

The sleeve 3, sleeve 3 cover is established on the surface of bed die 2, and the fixed connection of sleeve 3's surface has installation piece 13.

A support bar 14, the support bar 14 connecting the mounting block 13 with the slider 11.

The ejector plate 4, ejector plate 4 sets up in the inside of bed die 2, and ejector plate 4's bottom fixedly connected with connecting rod 6.

The bottom plate 7, bottom plate 7 fixed connection is in the bottom of connecting rod 6.

And a connecting rod 8, wherein the connecting rod 8 connects the sleeve 3 with the bottom plate 7.

The upper mould 5, upper mould 5 sets up in the top of bed die 2, and the top of upper mould 5 fixedly connected with crane 17.

The air cavity 18, the air cavity 18 is opened in the inside of crane 17.

The vent hole 19, the vent hole 19 is communicated with the upper die 5 and the air cavity 18, and the gap between the upper die 5 and the lower die 2 is blown, so that the cooling speed of the key cap after stamping is accelerated, and the processing efficiency is accelerated.

The air pipe joint 20, the air pipe joint 20 is fixedly connected at the top of the lifting frame 17 and communicated with the air cavity 18.

Four fixing rods 21 are fixedly connected to the top of the mounting base 1.

The top plate 22, the top plate 22 is fixedly connected to the top of the fixing rods 21, and connects the four fixing rods 21.

The lifting cylinder 23, lifting cylinder 23 fixed connection is in the bottom of roof 22, pour into the raw materials of moulding plastics in with bed die 2, lifting cylinder 23 promotes crane 17 decline, go up mould 5 and push down sleeve 3, make reset spring 12 tensile until sleeve 3 and bed die 2 parallel and level under the drive of dead lever 21, accomplish the punching press operation, after the punching press is accomplished, go up mould 5 and rise, reset spring 12 kick-backs, drive sleeve 3 and rise, make liftout plate 4 rise, the keycap that will punch out is jacked out, avoid the keycap to take place to glue and stick, machining efficiency has been promoted.

In order to facilitate understanding of the above technical solutions of the present utility model, the following describes in detail the working principle or operation manner of the present utility model in the actual process.

When the injection molding die convenient for demolding of the key caps is used, injection molding raw materials are injected into the lower die 2, the lifting cylinder 23 pushes the lifting frame 17 to descend, the upper die 5 pushes down the sleeve 3, the reset spring 12 stretches until the sleeve 3 is flush with the lower die 2 under the drive of the fixing rod 21, the stamping operation is completed, at the moment, the air is blown into a gap between the upper die 5 and the lower die 2 through the air pump externally connected with the air pipe joint 20 through the air vent 19 communicated with the air cavity 18, the stamping part is accelerated to be cooled, the cutting knife 16 cuts the edge of the key caps after stamping is completed, the upper die 5 ascends, the reset spring 12 rebounds to drive the sleeve 3 to ascend, the ejector plate 4 ascends, and the key caps after stamping is ejected.

In summary, the injection molding mold convenient for demolding the keycaps solves the problems mentioned in the background art by the mutual matching among the mounting base 1, the lower mold 2, the sleeve 3, the ejector plate 4 and the upper mold 5.

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 (7)

1. An injection molding die convenient for demolding of a keycap comprises a mounting base (1) and is characterized in that the top of the mounting base (1) is fixedly connected with a lower die (2);

The sleeve (3) is sleeved on the surface of the lower die (2);

the ejector plate (4) is arranged in the lower die (2);

And the upper die (5) is arranged above the lower die (2).

2. The injection molding die convenient for demolding of the keycaps, which is characterized in that the bottom of the ejector plate (4) is fixedly connected with a connecting rod (6);

the bottom plate (7), the said bottom plate (7) is fixedly connected to the bottom of the connecting rod (6);

and the connecting rod (8) is used for connecting the sleeve (3) with the bottom plate (7).

3. The injection molding die convenient for demolding of the keycaps, which is characterized in that a chute (9) is formed at the top of the installation base (1);

The sliding rod (10) is fixedly connected inside the sliding groove (9);

The sliding block (11) is sleeved on the surface of the sliding rod (10);

And a return spring (12), wherein the return spring (12) connects the sliding block (11) with the sliding groove (9).

4. The injection molding die convenient for demolding of the key cap according to claim 3, wherein the surface of the sleeve (3) is fixedly connected with a mounting block (13);

And the supporting rod (14) is used for connecting the mounting block (13) with the sliding block (11).

5. The injection molding die convenient for demolding of the key cap according to claim 4 is characterized in that a knife slot (15) is formed at the top of the lower die (2);

The cutting knife (16), cutting knife (16) fixed connection is in the bottom of last mould (5), cutting knife (16) are corresponding with the position of sword groove (15).

6. The injection molding die convenient for demolding of the key cap according to claim 5 is characterized in that the top of the upper die (5) is fixedly connected with a lifting frame (17);

the air cavity (18) is formed in the lifting frame (17);

An exhaust hole (19), wherein the exhaust hole (19) communicates the upper die (5) with the air cavity (18);

The air pipe connector (20) is fixedly connected to the top of the lifting frame (17) and communicated with the air cavity (18).

7. The injection molding die convenient for demolding of the key cap according to claim 6, wherein the top of the mounting base (1) is fixedly connected with four fixing rods (21);

the top plate (22), the top plate (22) is fixedly connected to the top of the fixed rods (21), and the four fixed rods (21) are connected;

The lifting cylinder (23), the bottom at roof (22) is connected in fixed connection to lifting cylinder (23).