CN216032124U

CN216032124U - Automobile lampshade injection mold

Info

Publication number: CN216032124U
Application number: CN202120407968.1U
Authority: CN
Inventors: 何小玉; 祁笑岩; 谭伟
Original assignee: Changzhou Haizhuo Precision Mold Co ltd
Current assignee: Changzhou Haizhuo Precision Mold Co ltd
Priority date: 2021-02-25
Filing date: 2021-02-25
Publication date: 2022-03-15
Anticipated expiration: 2031-02-25

Abstract

The utility model discloses an injection mold for an automobile lampshade, which has the technical scheme that: an injection mold for an automobile lampshade comprises a mold body, wherein the mold body comprises an upper mold, a lower mold and a trimming device; the die body is fixedly arranged on the base, and a support is fixedly arranged on the base; the upper die is fixedly arranged on the lifting frame, the lifting frame is arranged on the bracket in a sliding manner, and the left side and the right side of the upper die are provided with extension templates; the lower die is fixedly arranged on the base, a jacking block is elastically arranged on the lower die, the jacking block corresponds to the position of the extension template, trimming devices are slidably arranged on the left side and the right side of the lower die, and cutting wheels are arranged on the trimming devices; the demolding process is safe and efficient.

Description

Automobile lampshade injection mold

Technical Field

The utility model relates to the technical field of lampshade injection molds, in particular to an automobile lampshade injection mold.

Background

With the continuous improvement of the requirements of people on the use performance of the automobile, the requirements on the appearance and the interior decoration of the automobile are higher and higher, and the lampshade of the automobile is mainly a plastic piece, so that the quality of the injection mold is an important factor influencing the lampshade of the automobile; in the demolding process of the traditional automobile lamp shade injection mold, partial manufacturers need to manually buckle and demold the mold, which is very dangerous, and the mold is demolded by utilizing cooling, suckers and the like, so that the demolding efficiency is low, and the post-treatment is very inconvenient; therefore, an efficient and reasonable injection mold for automobile lamp shades is urgently needed in the market at present.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems mentioned in the background art, the utility model aims to provide an injection mold for an automobile lamp shade to solve the problem that the demolding method mentioned in the background art is unreasonable.

The technical purpose of the utility model is realized by the following technical scheme:

an injection mold for an automobile lampshade comprises a mold body, wherein the mold body comprises an upper mold, a lower mold and a trimming device; the die body is fixedly arranged on the base, and a support is fixedly arranged on the base; the upper die is fixedly arranged on the lifting frame, the lifting frame is arranged on the bracket in a sliding manner, and the left side and the right side of the upper die are provided with extension templates; the lower mould is fixedly arranged on the base, the ejecting block is elastically arranged on the lower mould and corresponds to the position of the extension template, the left side and the right side of the lower mould are slidably provided with trimming devices, and the trimming devices are provided with cutting wheels.

Furthermore, the crane is controlled to lift through the control end, and the crane is electrically connected with the control end through a spiral electric wire.

Through adopting above-mentioned technical scheme, the spiral electric wire can not receive the influence of distance at the crane during operation, avoids taking place to drag the damage connection effect.

Further, the edge cutting devices are electrically connected with the control end, and the edge cutting devices on the left side and the right side of the lower die are electrically connected through concealed wires.

By adopting the technical scheme, the working state of the edge cutting device can be controlled through the control end; meanwhile, potential safety hazards caused by the fact that complex circuits possibly generate in the injection molding process are avoided due to the arrangement of the hidden lines, and the circuits and part of devices are prevented from being hung together.

Further, the cutting wheel is driven by a motor, which is a brushless motor.

By adopting the technical scheme, the brushless motor has low noise and smooth operation, the brushless motor has no electric brush, the friction force is greatly reduced during operation, the operation is smooth, and the noise is much lower; the brushless motor adopts digital frequency conversion control, has strong controllability, and can be easily realized from several revolutions per minute to tens of thousands of revolutions per minute; the wear of the brushless motor is mainly on the bearing, and from the mechanical point of view, the brushless motor is almost a maintenance-free motor, and only some dust removal maintenance is needed when necessary.

Further, the bottom of the edge cutting device is provided with a roller, the roller is driven by a motor, and the roller is made of a polyurethane material.

By adopting the technical scheme, the polyurethane has good performances of wear resistance, chemical erosion resistance, high strength, high elasticity, low pressure resistance, strong shock absorption, tearing resistance, radiation resistance, high bearing capacity, shock absorption and buffering and the like. The polyurethane also has a wide range of hardness. In addition, polyurethane has good sound absorption characteristic, and the roller does not generate noise in the movement process, thereby achieving the silencing effect.

Furthermore, the lower die is fixedly connected with the base through a spring.

Through adopting above-mentioned technical scheme, the setting up of spring can let the lower mould when pushing down and moulding plastics, reduces vibration and noise, promotes operating personnel's work and experiences, avoids noise pollution.

In summary, the utility model mainly has the following beneficial effects:

1. according to the utility model, the traditional automobile lampshade injection mold is improved, the upper mold is provided with the extension template, and the extension template is provided with the top block corresponding to the extension template; the lower die is pressed downwards, the ejector block is contracted under pressure, then the die is subjected to injection molding, the finished product is extended by the extension template for one section, after the upper die is lifted up, the ejector block pushes the extension part of the finished product to eject the finished product, then the control end controls the edge cutting device to cut off the redundant extension part, and at the moment, the finished product is smoothly demoulded; does not need manual buckling, and has high efficiency and safety.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic structural view of a lower mold;

fig. 3 is a schematic structural view of the edge cutting device.

In the figure: 1. a mold body; 101. a base; 102. a support; 2. an upper die; 201. a lifting frame; 202. Extending the template; 3. a lower die; 301. a top block; 4. a trimming device; 401. a cutting wheel; 402. a motor; 403. a drum; 5. a control end; 501. a spiral wire; 6. a dark line; 7. a spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clear and fully described, embodiments of the present invention are further described in detail below with reference to the accompanying drawings.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1-3, an injection mold for an automobile lamp cover comprises a mold body 1, wherein the mold body 1 comprises an upper mold 2, a lower mold 3 and a trimming device 4; the die body 1 is fixedly arranged on a base 101, and a bracket 102 is fixedly arranged on the base 101; the upper die 2 is fixedly arranged on the lifting frame 201, the lifting frame 201 is arranged on the bracket 102 in a sliding manner, and the left side and the right side of the upper die 2 are provided with extension templates 202; the lower die 3 is fixedly arranged on the base 101, the upper die 3 is elastically provided with a top block 301, the position of the top block 301 corresponds to that of the extension die plate 202, the left side and the right side of the lower die 3 are provided with the edge cutting devices 4 in a sliding mode, and the edge cutting devices 4 are provided with cutting wheels 401.

Referring to fig. 1 and 3, the crane 201 is controlled to ascend and descend through the control end 5, the crane 201 is electrically connected with the control end 5 through the spiral electric wire 501, and the spiral electric wire 501 can be free from the influence of distance when the crane 201 works, so that the connection effect is prevented from being damaged by dragging.

Referring to fig. 1 and 3, the edge cutting device 4 is electrically connected to a control end 5, the edge cutting devices 4 on the left and right sides of the lower die 3 are electrically connected through a hidden line 6, and the control end 5 can control the working state of the edge cutting devices 4; meanwhile, potential safety hazards caused by complex circuits in the injection molding process are avoided due to the arrangement of the hidden lines 6, and the circuits and part of devices are prevented from being hung together.

Referring to fig. 1 and 2, a cutting wheel 401 is driven by a motor 402, the motor 402 is a brushless motor, the brushless motor has low noise and runs smoothly, the brushless motor has no electric brush, the friction force during running is greatly reduced, the running is smooth, and the noise is much lower; the brushless motor adopts digital frequency conversion control, has strong controllability, and can be easily realized from several revolutions per minute to tens of thousands of revolutions per minute; the wear of the brushless motor is mainly on the bearing, and from the mechanical point of view, the brushless motor is almost a maintenance-free motor, and only some dust removal maintenance is needed when necessary.

Referring to fig. 1 and 2, a roller 403 is disposed at the bottom of the edge cutting device 4, the roller 403 is driven by a motor 402, the roller 403 is made of polyurethane, and the polyurethane has good properties of wear resistance, chemical corrosion resistance, high strength, high elasticity, low pressure resistance, strong shock absorption, tear resistance, radiation resistance, high bearing capacity, shock absorption, buffering and the like. The polyurethane also has a wide range of hardness. In addition, the polyurethane has excellent sound absorption characteristics, and the roller 403 does not generate noise in the movement process, so that the silencing effect can be achieved.

Referring to fig. 1 and 2, lower mould 3 passes through spring 7 fixed connection with base 101, and spring 7's setting can let lower mould 3 when pushing down and moulding plastics, reduces vibration and noise, promotes operating personnel's work and experiences, avoids noise pollution.

When the utility model is used, the extension template 202 is arranged on the upper die 2, and the extension template 202 is provided with the top block 301 corresponding to the extension template; the lower die 3 is pressed downwards, the top block 301 is compressed under pressure, then the die is subjected to injection molding, the finished product is extended by the extension template 202 for one section, after the upper die 2 is lifted, the top block 301 jacks the extended part of the finished product to eject the finished product, then the control end 5 controls the edge cutting device 4 to cut off the redundant extended part, and at the moment, the finished product is smoothly demoulded; does not need manual buckling, and has high efficiency and safety.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an automobile lamp shade injection mold, includes mould body (1), its characterized in that: the die body (1) comprises an upper die (2), a lower die (3) and an edge cutting device (4); the die body (1) is fixedly arranged on a base (101), and a support (102) is fixedly arranged on the base (101); the upper die (2) is fixedly arranged on a lifting frame (201), the lifting frame (201) is arranged on the bracket (102) in a sliding mode, and the left side and the right side of the upper die (2) are provided with extension die plates (202); the lower die (3) is fixedly arranged on the base (101), an ejector block (301) is elastically arranged on the lower die (3), the ejector block (301) corresponds to the position of the extension template (202), the left side and the right side of the lower die (3) are slidably provided with a trimming device (4), and a cutting wheel (401) is arranged on the trimming device (4).

2. The injection mold for lampshade of automobile of claim 1, wherein: the lifting frame (201) is controlled to lift through a control end (5), and the lifting frame (201) is electrically connected with the control end (5) through a spiral electric wire (501).

3. The injection mold for lampshade of automobile of claim 2, wherein: the trimming device (4) is electrically connected with the control end (5), and the trimming devices (4) on the left side and the right side of the lower die (3) are electrically connected through a hidden line (6).

4. The injection mold for lampshade of automobile of claim 1, wherein: the cutting wheel (401) is driven by a motor (402), and the motor (402) is a brushless motor.

5. The injection mold for lampshade of automobile of claim 4, wherein: the bottom of the edge cutting device (4) is provided with a roller (403), the roller (403) is driven by the motor (402), and the roller (403) is made of a polyurethane material.

6. The injection mold for lampshade of automobile of claim 1, wherein: the lower die (3) is fixedly connected with the base (101) through a spring (7).