CN212123966U

CN212123966U - Notebook computer front cover mould

Info

Publication number: CN212123966U
Application number: CN202020065286.2U
Authority: CN
Inventors: 杨雪芹; 吴鹏飞
Original assignee: Chongqing Zhengxin Precision Electronics Co ltd
Current assignee: Chongqing Zhengxin Precision Electronics Co ltd
Priority date: 2020-01-14
Filing date: 2020-01-14
Publication date: 2020-12-11
Anticipated expiration: 2030-01-14

Abstract

The utility model discloses a notebook computer protecgulum mould, comprises a workbench, be provided with the slide rail on the workstation, be provided with the slider on the slide rail, the fixed cover half that is provided with on the slider, the cover half is in slidable on the slide rail is located first station and second station, still be provided with the frame on the workstation, be provided with first movable mould and second movable mould in the frame, first movable mould is located first station top, and first movable mould with the die cavity of the main part of synthetic notebook computer protecgulum is enclosed to the cover half, the second movable mould is located second station top, just the second movable mould with the die cavity of the frame of synthetic notebook computer protecgulum is enclosed to the cover half. The utility model discloses a mould cost is low, and the shaping precision is high.

Description

Notebook computer front cover mould

Technical Field

The utility model relates to a mould field especially relates to a protecgulum mould of notebook.

Background

The notebook computer front cover mainly comprises a main body part and a frame part wrapped on the appearance edge. In actual production, the main body part is cast by magnesium-aluminum alloy, and the frame part is formed by injection molding of engineering plastics.

Chinese patent CN205375271U discloses a notebook computer front cover, and specifically discloses: the main body part is formed by a first injection mold, the shell decoration part is formed by a second injection mold, the first injection mold and the second injection mold are formed by the same male mold, the two same male molds are matched with different female molds for injection molding twice, preferably, the two male molds are switched by a rotary table so as to improve the production efficiency, of course, the two female molds respectively correspond to two injection molding ports, and PC + ABS plastic in a molten state is correspondingly introduced into the first injection molding port so as to form the main body part; the second injection molding opening is correspondingly filled with the TPU plastic in a molten state to form the shell decoration part.

The above patent uses two identical male molds and two different female molds, and the two injection molding processes inevitably require transferring the molded main body to the next male mold for injection molding again. In the process, the main body needs to be installed into another male die again, so that the main body is easy to be deviated in position during installation, and finally, a dimension error of a molded product is caused. And the two working tables are switched through the switching table, so that the requirement on equipment is high, and the equipment cost is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a notebook computer protecgulum mould can solve size error in the current mould to and the high problem of casting equipment cost.

In order to achieve the above object, the present invention is realized as follows: the utility model provides a notebook computer protecgulum mould which characterized in that: the movable mold comprises a workbench, a slide rail is arranged on the workbench, a slide block is arranged on the slide rail, a fixed mold is fixedly arranged on the slide block, the fixed mold can slide on the slide rail and is positioned at a first station and a second station, a rack is also arranged on the workbench, a first movable mold and a second movable mold are arranged on the rack, the first movable mold is positioned above the first station, the first movable mold and the fixed mold enclose a cavity of a main body of a front cover of a notebook computer, the second movable mold is positioned above the second station, and the second movable mold and the fixed mold enclose a cavity of a frame of the front cover of the notebook computer; the fixed die is provided with a rectangular groove, the middle part of the first movable die is provided with a rectangular convex block A protruding downwards, the periphery of the rectangular convex block A is provided with a rectangular frame convex part, the rectangular convex block A and the rectangular groove form a cavity of the main body, the outer side wall of the rectangular frame convex part is attached to the inner side wall of the rectangular groove, and the height of the rectangular convex block and the height of the rectangular frame convex part are equal to the depth of the rectangular groove; the second movable mould middle part is provided with downward outstanding rectangle lug B, rectangle lug B's overall dimension and height are unanimous with rectangle lug A, rectangle lug B periphery is provided with a rectangle frame recess, the lateral wall of rectangle frame recess with the lateral wall of rectangle recess is laminated mutually, the width of rectangle frame recess is greater than the width of rectangle frame convex part, the die cavity and the rectangle recess of rectangle frame recess, main part have formed the die cavity of frame. The mould that above-mentioned set up only needs a cover half, two movable moulds, and the cover half adopts the mode of slide rail to make it be located first station and second station, has reduced casting equipment's cost to need not to take out it after the main part casting finishes and can carry out the secondary casting, guarantee the size precision of product.

Preferably, the main body melt injection port is arranged on the cavity of the main body and is connected with the main body melt box body through an injection pipeline, and the cavity of the frame is provided with the cavity melt injection port and is connected with the frame melt box body through an injection pipeline.

Preferably, the slide rail and the slide block are a screw nut pair, and the slide rail is driven by a motor.

In order to further improve the product precision, two ends of the sliding rail are provided with limit baffles, and a first station and a second station are formed at the limit baffles.

Preferably, the frame includes two stands of vertical setting, and two stands are fixed respectively and are set up on the workstation at slide rail both ends, be provided with the crossbearer between two stands, the crossbearer lower extreme is provided with the first flexible electric jar relative with first station, first flexible electric jar bottom is connected with first movable mould, the crossbearer lower extreme still is provided with the flexible electric jar of second relative with the second station, the flexible electric jar bottom of second is connected with the second movable mould.

Has the advantages that:

the utility model discloses a front cover mould of notebook computer only needs a cover half, two movable moulds, and the cover half adopts the mode of slide rail to make it be located first station and second station, has reduced the cost of casting equipment.

The secondary casting can be carried out without taking out the front cover main body after the casting of the front cover main body is finished, and the size precision of a product is ensured.

Drawings

FIG. 1 is a front view of a front cover mold of a notebook computer in an embodiment;

FIG. 2 is a structural view of a mold assembly of a fixed mold and a first movable mold in the embodiment;

fig. 3 is a mold clamping structure diagram of the fixed mold and the second movable mold in the embodiment.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings, but the present invention is not limited to these embodiments, and any modifications or replacements within the basic spirit of the embodiments still fall within the scope of the present invention claimed in the claims.

Example (b): as shown in fig. 1-3, the present embodiment provides a mold for a front cover of a notebook computer, which generally includes a main body and a frame portion wrapped around the main body. The main body part is cast by magnesium-aluminum alloy, and the frame part is formed by injection molding of engineering plastics.

Wherein, the mould includes workstation 1, including the workstation, be provided with slide rail 2 on the workstation, be provided with slider 3 on the slide rail, the fixed cover half 4 that is provided with on the slider, wherein, the slide rail both ends are fixed to be provided with limit baffle 5, the slide rail pass through the bearing with limit baffle 4 is connected. In this embodiment, the slide rail is two that are parallel, and the tip of two slide rails passes through the bearing with same limit baffle respectively and is connected, and is provided with two sliders on every slide rail, the stability of cover half is guaranteed to cover half logical bottom and four slider fixed connection. The slide rail 2 and the slide block 3 are screw nut pairs, and the slide rail is driven by a motor (not shown in the figure).

When the fixed die slides to the rightmost side, the fixed die is limited by the limit baffle and is positioned at a first station, a first movable die 6 is arranged at the top of the first station, when the fixed die slides to the leftmost side, the fixed die is limited by the limit baffle and is positioned at a second station, and a second movable die 7 is arranged at the top of the second station.

The first movable die and the second movable die are fixed on the rack through electric cylinders. The frame includes two stands 8 of vertical setting, and two stands are fixed the setting respectively on the workstation at slide rail both ends, be provided with crossbearer 9 between two stands, the crossbearer lower extreme is provided with the first flexible electric jar 10 relative with first station, first flexible electric jar bottom is connected with first movable mould 6, the crossbearer lower extreme still is provided with the flexible electric jar 11 of second relative with the second station, the flexible electric jar bottom of second is connected with second movable mould 7.

When the fixed die is located at a first station, the first movable die is driven by the first telescopic electric cylinder to be matched with the fixed die, a cavity of the main body is formed, and a main body melt injection port is further arranged on the first movable die and is connected with a main body melt box body through an injection pipeline and a pump (not shown in the figure). When the fixed die is located at the second station, the second movable die is driven by the second telescopic electric cylinder to be matched with the fixed die, a die cavity of the frame is formed, a frame molten liquid injection port is further arranged on the second movable die, and the second movable die is connected with a frame molten liquid box body through an injection pipeline and a pump (not shown in the figure).

In this embodiment, the fixed die 4 is provided with the rectangular groove 41, the middle portion of the first movable die 6 is provided with the rectangular protruding block a61 protruding downward, the rectangular protruding block a is provided with a rectangular frame protruding portion 62 on the periphery, the rectangular frame protruding portion, the rectangular protruding block a and the rectangular groove form the cavity 100 of the main body, the outer side wall of the rectangular frame protruding portion is attached to the inner side wall of the rectangular groove, and the height of the rectangular protruding block and the rectangular frame protruding portion is equal to the depth of the rectangular groove. Second movable mould 7 middle part is provided with downward outstanding rectangle lug B71, rectangle lug B's overall dimension and height are unanimous with rectangle lug A, rectangle lug B periphery is provided with a rectangle frame recess 72, the lateral wall of rectangle frame recess with the laminating of the lateral wall of rectangle recess mutually, the width of rectangle frame recess is greater than the width of rectangle frame convex part, the die cavity and the rectangle recess of rectangle frame recess, main part have formed the die cavity 200 of frame.

By adopting the mold of the embodiment, firstly, the fixed mold is driven by the motor to be positioned at the first station, the first electric cylinder is driven to enable the first movable mold and the fixed mold to be assembled to form the cavity of the main body, the molten main body is introduced into the cavity through the injection port, and then the first movable mold is lifted after the main body is formed. And driving the fixed die to move to a second station, driving the second electric cylinder to enable the second movable die and the fixed die to be matched to form a cavity of the frame, introducing frame molten liquid into the cavity through the injection molding opening, and then lifting the second movable die after the frame is formed, so that the front cover of the notebook computer is formed.

In this embodiment, the injection port of the main body cavity is filled with molten PC + ABS plastic to form the main body, and the injection port of the frame cavity is filled with molten TPU plastic to form the frame. And the melting point of the PC + ABS plastic is higher than that of the TPU plastic.

The front cover die of the notebook computer only needs one fixed die and two movable dies, and the fixed die is positioned on the first station and the second station in a sliding rail mode, so that the manufacturing cost of casting equipment is reduced. The secondary casting can be carried out without taking out the front cover main body after the casting of the front cover main body is finished, and the size precision of a product is ensured.

Claims

1. The utility model provides a notebook computer protecgulum mould which characterized in that: the movable mold comprises a workbench, a slide rail is arranged on the workbench, a slide block is arranged on the slide rail, a fixed mold is fixedly arranged on the slide block, the fixed mold can slide on the slide rail and is positioned at a first station and a second station, a rack is also arranged on the workbench, a first movable mold and a second movable mold are arranged on the rack, the first movable mold is positioned above the first station, the first movable mold and the fixed mold enclose a cavity of a main body of a front cover of a notebook computer, the second movable mold is positioned above the second station, and the second movable mold and the fixed mold enclose a cavity of a frame of the front cover of the notebook computer;

the fixed die is provided with a rectangular groove, the middle part of the first movable die is provided with a rectangular convex block A protruding downwards, the periphery of the rectangular convex block A is provided with a rectangular frame convex part, the rectangular convex block A and the rectangular groove form a cavity of the main body, the outer side wall of the rectangular frame convex part is attached to the inner side wall of the rectangular groove, and the height of the rectangular convex block and the height of the rectangular frame convex part are equal to the depth of the rectangular groove;

the second movable mould middle part is provided with downward outstanding rectangle lug B, rectangle lug B's overall dimension and height are unanimous with rectangle lug A, rectangle lug B periphery is provided with a rectangle frame recess, the lateral wall of rectangle frame recess with the lateral wall of rectangle recess is laminated mutually, the width of rectangle frame recess is greater than the width of rectangle frame convex part, the die cavity and the rectangle recess of rectangle frame recess, main part have formed the die cavity of frame.

2. The notebook computer front cover mold as recited in claim 1, wherein: the injection molding device is characterized in that a main body molten injection molding port is arranged on the cavity of the main body and is connected with a main body molten box body through an injection molding pipeline, and a cavity molten injection molding port is arranged on the cavity of the frame and is connected with the frame molten box body through an injection molding pipeline.

3. The notebook computer front cover mold according to claim 1 or 2, characterized in that: the slide rail and the slide block are screw nut pairs, and the slide rail is driven by a motor.

4. The notebook computer front cover mold as recited in claim 3, wherein: and limiting baffles are arranged at two ends of the sliding rail, and a first station and a second station are formed at the limiting baffles.

5. The notebook computer front cover mold as recited in claim 4, wherein: the frame includes two stands of vertical setting, and two stands are fixed the setting respectively on the workstation at slide rail both ends, be provided with the crossbearer between two stands, the crossbearer lower extreme is provided with the first flexible electric jar relative with first station, first flexible electric jar bottom is connected with first movable mould, the crossbearer lower extreme still is provided with the flexible electric jar of second relative with the second station, the flexible electric jar bottom of second is connected with the second movable mould.