CN214026913U

CN214026913U - Injection mold for forming rotating shaft piece of notebook computer

Info

Publication number: CN214026913U
Application number: CN202022551022.0U
Authority: CN
Inventors: 石磊
Original assignee: Kunshan Dongshen Plastic Technology Co ltd
Current assignee: Kunshan Dongshen Plastic Technology Co ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-08-24
Anticipated expiration: 2030-11-06

Abstract

The utility model discloses a be used for fashioned injection mold of notebook pivot spare, including first die holder and second die holder, be equipped with first mould benevolence on the first die holder, and two movable mould mechanisms that possess relative displacement, be equipped with two injection moulding stations on the first mould benevolence, be equipped with hollow shaft type groove and board type groove on the injection moulding station, be equipped with two half module axle cores with hollow shaft type groove one-to-one in the movable mould mechanism, the half module axle core concatenation of two movable mould mechanisms is whole axle core, be equipped with second mould benevolence on the second die holder, be equipped with the cooperation station on the second mould benevolence, be equipped with hollow shaft cooperation groove on the cooperation station, and board cooperation groove. The utility model discloses a double acting mold mechanism concatenation forms the mandrel, can improve central siphon axle passageway shaping precision. Through the combination and matching mode of linear displacement guiding, axial limiting, shaft guiding and shaft end splicing, the splicing precision of the core shaft is ensured, and the product percent of pass is greatly improved. Satisfy the batchization operation demand, possess the design of skeleton rubber track, it is synchronous even to mould plastics.

Description

Injection mold for forming rotating shaft piece of notebook computer

Technical Field

The utility model relates to a be used for fashioned injection mold of notebook pivot spare belongs to injection mold's technical field.

Background

The injection molding is a technological process of heating, plasticizing and melting plastic, then injecting the plastic into a cavity of a molding die for molding, cooling, solidifying a melt and then demolding. The products are generally produced by rubber injection molding and plastic injection molding.

There is a notebook pivot spare among the prior art, and it includes central siphon and platelike body, and the central siphon need carry out the shaping through the mold core, generally adopts the axle core that possesses flexible displacement to accomplish the cooperation shaping, but, because the axial dimensions of central siphon is longer, leads to the axle core free end to have certain skew, hardly satisfies the position degree demand of mold core, in addition, the tradition is moulded plastics and is adopted the mode that the singleton was moulded plastics, and its efficiency of moulding plastics is lower.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the not enough of above-mentioned prior art, deposit the uncontrollable and lower problem of efficiency of moulding plastics of axle core position degree to traditional injection mold, propose and be used for the fashioned injection mold of notebook pivot piece.

In order to achieve the above purpose, the utility model discloses the technical scheme who adopts is:

an injection mold for molding a rotating shaft piece of a notebook computer comprises a first mold base and a second mold base which are provided with opening and closing displacements,

the first die holder is provided with a first die core and two movable die mechanisms with relative displacement, the first die core is provided with two injection molding stations, the injection molding stations are provided with tubular shaft grooves and plate part grooves, the movable die mechanisms are provided with two half die shaft cores which are in one-to-one correspondence with the tubular shaft grooves, the half die shaft cores of the two movable die mechanisms are spliced into a whole shaft core,

the second die holder is provided with a second die core, the second die core is provided with a matching station which is in one-to-one correspondence with the injection molding station, and the matching station is provided with a tubular shaft matching groove matched with the tubular shaft type groove and a board matching groove matched with the board type groove.

Preferably, the moving die mechanism includes a guide base having a guide groove, a telescopic driving source provided on the guide base, and a driving slider slidably coupled to the guide base and connected to a telescopic end of the telescopic driving source, and the half die shaft core is provided on the driving slider.

Preferably, a guide column is arranged between the driving slide block and the half mold shaft core, and a guide matching groove used for matching with the guide column is arranged between the first mold core and the second mold core.

Preferably, a mortise-tenon joint matching structure is arranged between the free ends of the half-mold shaft cores of the two movable mold mechanisms.

Preferably, the first mold core is provided with two framework rubber channels respectively communicated with the tubular shaft-shaped groove, and two ends of the framework rubber channels are respectively connected with the shaft ends of the tubular shaft-shaped groove.

The beneficial effects of the utility model are mainly embodied in that:

1. the double-mold mechanism is adopted to splice and form the core mold, so that the forming precision of the shaft tube shaft channel can be improved.

2. Through the combination and matching mode of linear displacement guiding, axial limiting, shaft guiding and shaft end splicing, the splicing precision of the core shaft is ensured, and the product percent of pass is greatly improved.

3. Satisfy the batched operation demand, and possess the frame and glue the way design for it is synchronous complete and even to mould plastics, protects the work piece and can not receive the damage simultaneously at loading and unloading material in-process.

Drawings

Fig. 1 is a schematic structural diagram of the first mold base in the injection mold for forming the notebook computer rotating shaft member of the present invention.

Fig. 2 is a schematic structural diagram of the second mold base in the injection mold for forming the notebook computer rotating shaft member of the present invention.

Fig. 3 is a schematic sectional structure view of the injection mold for forming the rotating shaft of the notebook computer.

Fig. 4 is an enlarged schematic view of a portion a of fig. 3.

Fig. 5 is a schematic structural diagram of the injection mold forming workpiece of the present invention.

Detailed Description

The utility model provides a be used for fashioned injection mold of notebook pivot spare. The technical solution of the present invention will be described in detail below with reference to the accompanying drawings so as to be easier to understand and grasp.

An injection mold for forming a rotating shaft of a notebook computer, as shown in fig. 1 to 5, includes a first mold base and a second mold base which are capable of opening and closing.

The first die holder is provided with a first die core 1 and two movable die mechanisms 2 with relative displacement, the first die core 1 is provided with two injection molding stations 3, the injection molding stations 3 are provided with tubular shaft grooves 31 and plate part grooves 32, the movable die mechanisms 2 are provided with two half die shaft cores 4 which are in one-to-one correspondence with the tubular shaft grooves 31, and the half die shaft cores of the two movable die mechanisms 2 are spliced into a whole shaft core.

The second die holder is provided with a second die core 5, the second die core 5 is provided with a matching station 6 which is arranged in one-to-one correspondence with the injection molding station, and the matching station is provided with a tubular shaft matching groove 61 matched with the tubular shaft type groove and a board matching groove 62 matched with the board type groove.

The specific implementation process and principle description are as follows:

two movable die mechanisms 2 with relative displacement are adopted, the requirement for forming the channel in the shaft tube is met in a mode that half die mandrels are spliced into a whole shaft core, the butt joint forming precision of the two half die mandrels is high, and the forming precision of a product is improved.

Through matching of the double-injection molding station 3 and the matching station 6, synchronous injection molding of two workpieces can be achieved, the arrangement is reasonable, and the utilization rate of the movable die mechanism 2 is high.

In one embodiment, the movable mold mechanism 2 includes a guide base 21 having a guide groove, a telescopic driving source 22 provided on the guide base 21, and a driving slider 23 slidably fitted on the guide base 21 and connected to a telescopic end of the telescopic driving source, and the half mold shaft core 4 is provided on the driving slider.

Namely, the position precision of the half-mold shaft core 4 is improved by matching the guide seat 21 with the driving slide block 23.

Preferably, a guide column 7 is arranged between the driving slide block and the half mold shaft core, and a guide matching groove 8 matched with the guide column 7 is arranged between the first mold core and the second mold core. As shown in fig. 4, a mortise and tenon joint structure 9 is arranged between the free ends of the half-mold shaft cores of the two movable mold mechanisms 2.

Specifically, the stroke limit and the axial position degree control can be realized through the matching of the guide cylinder 7 and the guide matching groove 8, and the splicing alignment between the half-mold shaft cores 4 can be realized through the mortise-tenon matching structure 9, so that the precision of the shaft core is improved.

In one embodiment, the first mold core 1 is provided with two framework rubber channels 10 respectively communicated with the tubular shaft-shaped grooves, and two ends of the framework rubber channels are respectively connected with the shaft ends of the tubular shaft-shaped grooves.

Referring to fig. 1 and 5, the framework rubber channel 10 can enable two workpiece forming cavities to be communicated, and a mode of shaft end communication is adopted, so that the synchronous injection molding is more uniform and stable, the workpiece is completely formed, meanwhile, the connection requirement of the formed workpiece can be met, the discharging operation of an external discharging mechanism is met, and the product cannot be damaged.

Can discover through the above description, the utility model is used for the fashioned injection mold of notebook pivot spare adopts double acting mode mechanism concatenation to form the mandrel, can improve central siphon axle passageway shaping precision. Through the combination and matching mode of linear displacement guiding, axial limiting, shaft guiding and shaft end splicing, the splicing precision of the core shaft is ensured, and the product percent of pass is greatly improved. Satisfy the batched operation demand, and possess the frame and glue the way design for it is synchronous complete and even to mould plastics, protects the work piece and can not receive the damage simultaneously at loading and unloading material in-process.

The above technical solutions of the present invention have been fully described, and it should be noted that the present invention is not limited by the above description, and all technical solutions formed by equivalent transformation or equivalent transformation adopted by the spirit of the present invention in the aspects of structure, method or function by those of ordinary skill in the art all fall within the protection scope of the present invention.

Claims

1. A injection mold for notebook pivot spare is fashioned, including possessing the first die holder and the second die holder that open and shut the displacement, its characterized in that:

2. The injection mold for molding the notebook computer rotating shaft member according to claim 1, wherein:

the movable die mechanism comprises a guide seat with a guide groove, a telescopic driving source arranged on the guide seat and a driving slide block which is matched and connected with the telescopic end of the telescopic driving source on the guide seat in a sliding mode, and the half die shaft core is arranged on the driving slide block.

3. The injection mold for molding the notebook computer rotating shaft member according to claim 2, characterized in that:

a guide column body is arranged between the driving slide block and the half mold shaft core, and a guide matching groove matched with the guide column body is arranged between the first mold core and the second mold core.

4. The injection mold for molding the notebook computer rotating shaft member according to claim 1, wherein:

and a mortise and tenon joint matching structure is arranged between the free ends of the half-mold shaft cores of the two movable mold mechanisms.

5. The injection mold for molding the notebook computer rotating shaft member according to claim 1, wherein:

the first die core is provided with two framework rubber channels which are respectively communicated with the tubular shaft-shaped grooves, and two ends of each framework rubber channel are respectively connected with the shaft ends of the tubular shaft-shaped grooves.