CN112261184A

CN112261184A - Shell polishing and shaping method, shell and electronic product

Info

Publication number: CN112261184A
Application number: CN202011133865.7A
Authority: CN
Inventors: 肖挺; 杜军红; 葛振纲
Original assignee: Shanghai Longcheer Technology Co Ltd
Current assignee: Shanghai Longcheer Technology Co Ltd
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-01-22

Abstract

The invention provides a shell polishing and shaping method, a shell and an electronic product, which comprises the following steps: heating the poor appearance part of the shell by using a hot air blowing gun; finely grinding the poor appearance part of the shell; polishing the poor appearance part of the shell; and checking whether the appearance of the polished and shaped part of the shell is qualified. The shell polishing and shaping method can effectively improve the appearance yield of the shell of the electronic product, greatly improve the utilization rate of the shell and save the production cost.

Description

Shell polishing and shaping method, shell and electronic product

Technical Field

The invention relates to the field of electronic product production and manufacturing, in particular to a polishing, shaping and repairing method for a collision damage and a dent notch of a shell made of a matt material, and a shell and an electronic product repaired by using the method.

Background

In the existing production and manufacturing process of the mobile phone/flat plate, after a PC + 10% GF shell is collided and damaged and a dent notch is damaged, the appearance cannot pass the inspection standard and only can be scrapped, so that the production and manufacturing waste is caused, and the PC + 10% GF material matte shell is recovered to be a good product with normal appearance by a systematic polishing and shaping method.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a shell polishing and shaping method, which can improve the appearance yield of a mobile phone/flat shell, improve the utilization rate of the shell and save the production cost.

In order to solve the technical problems, the invention provides a shell polishing and shaping method, which comprises the following steps: heating the poor appearance part of the shell by using a hot air blowing gun; finely grinding the poor appearance part of the shell; polishing the poor appearance part of the shell; and checking whether the appearance of the polished and shaped part of the shell is qualified.

The shell polishing and shaping method has the beneficial effects that the appearance yield of the electronic product shell can be effectively improved, and the repair yield of the polished and shaped electronic product semi-finished shell introduced into the method is 90.45%; the repairing method is not introduced, the poor appearance of the shell needs to be scrapped, and through comparison verification, the method can greatly improve the utilization rate of the shell and save the production cost.

Preferably, the poor appearance of the shell comprises shell bruising and dent notches.

Preferably, hot air is blown to the poor appearance part of the shell for 3 to 5 seconds by using a hot air blowing gun nozzle.

Preferably, the hot gas temperature is 230 ± 10 ℃.

Preferably, the fine grinding is performed by using a 1000-mesh sanding polishing wipe.

Preferably, the polishing is performed using a 7000 mesh buff polish wipe.

Preferably, the housing is reinforced polycarbonate plastic containing 10% glass fibers.

The invention also provides a shell which is a sub-gloss material shell and is repaired by the shell polishing and shaping method.

The shell has the beneficial effects that the appearance yield of the electronic product shell can be effectively improved, and the repair yield of the polished and shaped electronic product semi-finished shell introduced by the method is 90.45%; the repairing method is not introduced, the poor appearance of the shell needs to be scrapped, and through comparison verification, the method can greatly improve the utilization rate of the shell and save the production cost.

The invention also provides an electronic product which is repaired by the shell polishing and shaping method.

The electronic product has the beneficial effects that the appearance yield of the electronic product shell can be effectively improved, and the repair yield of the polished and shaped electronic product semi-finished shell introduced by the method is 90.45%; the repairing method is not introduced, the poor appearance of the shell needs to be scrapped, and through comparison verification, the method can greatly improve the utilization rate of the shell and save the production cost.

Preferably, the electronic product is a mobile phone or a tablet computer.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a flowchart of a method for polishing and shaping a housing according to an embodiment of the present invention.

Detailed Description

The first embodiment,

As shown in fig. 1, the method for polishing and reshaping the shell according to the present invention comprises the following steps:

s101, heating a poor appearance part of the shell by using a hot air blowing gun; the poor appearance of the shell comprises the bump damage and the dent notch of the shell. Preferably, hot air is blown to the poor appearance part of the shell for 3 to 5 seconds by using a hot air blowing gun nozzle. The hot gas temperature is 230 +/-10 ℃. The shell is reinforced polycarbonate plastic containing 10% of glass fiber.

And S102, accurately grinding the poor appearance part of the shell by using a 1000-mesh grinding and polishing wiper.

S103, polishing the poor appearance part of the shell by using 7000-mesh grinding and polishing wipers.

The target is how many dots can be accommodated with a size of 1 square centimeter. Such as sandpaper (abrasive cloth), gauze, etc., the density is recorded as "mesh".

And S104, checking whether the appearance of the polished and shaped part of the shell is qualified.

The PC is plastic cement, namely polycarbonate; GF is glass fiber. PC + 10% GF is a glass fiber reinforced polycarbonate plastic containing 10%.

According to the invention, the characteristic principle that the PC + 10% GF shell material expands after being heated is utilized, the shell surface expands at a high temperature for a certain time, the shaping is carried out, the damage of the shell surface caused by collision and indentation notches is recovered, the front shell surface has color difference with the original material due to heating, a grinding and polishing tool is used for grinding and polishing for multiple times, the purpose of repairing the surface appearance consistent with the original appearance of the original material is further achieved, the material property is unchanged after grinding and polishing, the appearance effect same as the original material is presented after appearance flaws disappear, and the polishing and shaping method flow is as shown in figure 1.

Specifically, the shaping process is described in detail as shown in fig. 1. The shaping method comprises the following steps:

1. blowing hot air: and (3) blowing hot air for 3-5 seconds at the position where the shell is damaged by collision and the appearance of the dent notch is poor by using a hot air blowing gun nozzle to aim at the shell (relevant parameters are specified according to the characteristics of similar materials, namely the temperature is 230 +/-10 ℃, the time is 3-5 seconds, and the wind power is 3-4 steps).

2. Fine grinding: finish grinding was performed using a sanding polisher wiper 1000.

3. Polishing: the buffed surface was polished using a buff polish wipe 7000.

4. And (4) checking: and checking whether the appearance of the polished and shaped part of the shell is qualified.

Example II,

Example III,

The invention is described by taking a mobile phone as an example, but is not limited to the mobile phone, and can be various electronic products requiring shell polishing and shaping. The electronic product can be a mobile phone, a tablet personal computer, an intelligent wearable device and the like.

The electronic product of this embodiment may include Radio Frequency (RF) circuitry, memory including one or more computer-readable storage media, an input unit, a display unit, a sensor, audio circuitry, a wireless fidelity (WiFi) module, a processor including one or more processing cores, and a power supply. Those skilled in the art will appreciate that the electronic structures shown in the figures do not constitute limitations on the electronic product, and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components. Wherein:

the RF circuit may be used for receiving and transmitting signals, and in particular, receives downlink information of a base station and then sends the received downlink information to one or more processors for processing; in addition, data relating to uplink is transmitted to the base station. In general, RF circuitry includes, but is not limited to, an antenna, at least one amplifier, a tuner, one or more oscillators, a transceiver, a coupler, a Low Noise Amplifier (LNA), a duplexer, and the like. In addition, the RF circuitry may also communicate with networks and other devices via wireless communications. The wireless communication may use any communication standard or protocol including, but not limited to, global system for mobile communications (GSM), General Packet Radio Service (GPRS), Code Division Multiple Access (CDMA), Wideband Code Division Multiple Access (WCDMA), Long Term Evolution (LTE), email, short message Service (SM), etc.

The memory may be used to store software programs and modules, and the processor may execute various functional applications and data processing by operating the software programs and modules stored in the memory. The memory may mainly include a storage program area and a storage data area, wherein the storage program area may store an operation storage medium, an application program (such as a sound playing function, an image playing function, etc.) required for at least one function, and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the electronic product, and the like. Further, the memory may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device. Accordingly, the memory may further include a memory controller to provide access to the memory by the processor and the input unit.

The input unit may be used to receive input numeric or character information and generate keyboard, mouse, joystick, optical or trackball signal inputs related to electronic product setup and function control. In particular, in one particular embodiment, the input unit may include a touch-sensitive surface as well as other input devices. The touch-sensitive surface, also referred to as a touch display screen or a touch pad, may collect touch operations of the electronic product on or near the touch-sensitive surface (e.g., operations of the electronic product on or near the touch-sensitive surface using any suitable object or attachment such as a finger, a stylus, etc.) and drive the corresponding connection device according to a predetermined program. Alternatively, the touch sensitive surface may comprise two parts, a touch detection means and a touch controller. The touch detection device detects the touch direction of the electronic product, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch detection device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor, and can receive and execute commands sent by the processor. In addition, touch sensitive surfaces may be implemented using various types of resistive, capacitive, infrared, and surface acoustic waves. The input unit may comprise other input devices than a touch sensitive surface. In particular, other input devices may include, but are not limited to, one or more of a physical keyboard, function keys, a trackball, a mouse, a joystick, and the like.

The display unit may be used to display information input by or provided to the electronic product and various graphic electronic product interfaces of the electronic product, which may be configured by graphics, text, icons, video, and any combination thereof. The display unit may include a display panel, and the display panel may be configured, optionally, in the form of a Liquid Crystal Display (LCD), an Organic Light Emitting Diode (OLED), or the like. Further, the touch-sensitive surface may overlie the display panel, and when a touch operation is detected on or near the touch-sensitive surface, the touch operation is transmitted to the processor to determine the type of touch event, and the processor then provides a corresponding visual output on the display panel in accordance with the type of touch event. The touch-sensitive surface and the display panel may be two separate components to implement input and output functions, but in some embodiments the touch-sensitive surface may be integrated with the display panel to implement input and output functions.

The processor is a control center of the electronic product, connects various parts of the whole electronic product by various interfaces and circuits, and executes various functions and processes data of the electronic product by operating or executing software programs and/or modules stored in the memory and calling the data stored in the memory, thereby integrally monitoring the electronic product. Optionally, the processor may include one or more processing cores; preferably, the processor may integrate an application processor and a modem processor, wherein the application processor mainly handles operations of the storage medium, the electronic product interface, the application program, and the like, and the modem processor mainly handles wireless communication. It will be appreciated that the modem processor described above may not be integrated into the processor.

The electronic product also comprises a power supply for supplying power to each component, and the power supply can be logically connected with the processor through the power management storage medium, so that the functions of managing charging, discharging, power consumption management and the like can be realized through the power management storage medium. The power supply may also include any component of one or more dc or ac power sources, rechargeable storage media, power failure detection circuitry, power converters or inverters, power status indicators, and the like.

Although not shown, the electronic product may further include a camera and the like, which will not be described herein. Specifically, in this embodiment, a processor in the electronic product loads an executable file corresponding to a process of one or more application programs into a memory according to the following instructions, and the processor runs the application programs stored in the memory, thereby implementing various functions.

In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments. In the embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one type of division of logical functions, and there may be other divisions when actually implementing, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not implemented. Each functional unit in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.

The invention is not limited to the embodiments discussed above. The foregoing description of the specific embodiments is intended to describe and explain the principles of the invention. Obvious modifications or alterations based on the teachings of the present invention should also be considered as falling within the scope of the present invention. The foregoing detailed description is provided to disclose the best mode of practicing the invention, and also to enable a person skilled in the art to utilize the invention in various embodiments and with various alternatives for carrying out the invention.

Claims

1. A shell polishing and reshaping method is characterized by comprising the following steps:

heating the poor appearance part of the shell by using a hot air blowing gun;

finely grinding the poor appearance part of the shell;

polishing the poor appearance part of the shell;

and checking whether the appearance of the polished and shaped part of the shell is qualified.

2. The method of polishing and shaping a housing according to claim 1,

the poor appearance of the shell comprises the bump damage and the dent notch of the shell.

3. The method of polishing and shaping a housing according to claim 2,

and blowing hot air to the poor appearance part of the shell for 3 to 5 seconds by using a hot air blowing gun nozzle.

4. A method of polishing and shaping a housing according to claim 3,

the hot gas temperature is 230 +/-10 ℃.

5. The method of polishing and shaping a housing according to claim 4,

and performing fine grinding by using a 1000-mesh grinding and polishing wiper.

6. The method of polishing and shaping a housing according to claim 5,

polishing was performed using a 7000 mesh buff polish wipe.

7. The method of claim 6 wherein the housing is reinforced polycarbonate plastic containing 10% glass fibers.

8. An outer shell which is a matt shell characterised in that it has been repaired by a method of polishing and reshaping a shell as claimed in any one of claims 1 to 7.

9. An electronic product characterized in that a housing thereof is repaired by the housing polishing shaping method as recited in any one of claims 1 to 7.

10. The electronic product according to claim 9, wherein the electronic product is a mobile phone or a tablet computer.