CN210126297U

CN210126297U - Car plastic part prosthetic devices based on 3D prints

Info

Publication number: CN210126297U
Application number: CN201822005893.5U
Authority: CN
Inventors: 邝石
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-03
Filing date: 2018-12-03
Publication date: 2020-03-06
Anticipated expiration: 2028-12-03

Abstract

The utility model provides a 3D printing-based automobile plastic part repairing device, which comprises an optical 3D scanning mechanism, a 3D printing mechanism, an ultrasonic cutting mechanism, a surface integration repairing mechanism and a processor; the optical 3D scanning mechanism is used for scanning the damaged part of the automobile plastic part to be repaired and is connected with the main analysis unit of the processor to generate a three-dimensional model diagram of the local part perfectly attached to the damaged part of the plastic part; the 3D printing mechanism is connected with a wireless transmission unit of the processor and prints out local parts of the part to be repaired; the ultrasonic cutting mechanism is used for attaching the printed local part to the damaged part of the automobile plastic part, and shaping and aligning; the surface integration repairing mechanism repairs and shapes the damaged part of the plastic part through a plastic adhesive and a surface treating agent. The utility model has the advantages of reasonable design, use convenient operation, to the accurate restoration in the impairment position of car plastic part, reduce the wasting of resources, it is long when shortening processing.

Description

Car plastic part prosthetic devices based on 3D prints

Technical Field

The utility model relates to an auto-parts restores technical field, concretely relates to car plastic part prosthetic devices based on 3D prints.

Background

At present, the market holding amount of the passenger cars in China exceeds 3 hundred million, the accidental damage of the cars can reach dozens of thousands of times per day on average, plastic parts such as front and rear bumpers and headlights of the cars can be damaged to a high proportion in an accident, and only new parts can be replaced because the repair and the use can not be carried out. Therefore, the insurance industry is in a loss state for a long time in the dangerous automobile insurance, and mass production resources are wasted.

In the vehicle refitting industry, manual molding is adopted all the time, the process means is crude, the precision is poor, the service life is long, and the cost is very high. At present, the technical closure of processing links such as 3D data acquisition, 3D printing of a repair component, adhesion of different plastic parts, restoration of a frosted matte component and the like is realized, and the method is applied to actual processing and treatment and has reliable construction effect. At present, a part of the processing process still needs manual operation and needs to be further improved in intelligent automation.

Disclosure of Invention

The utility model provides a car plastic part prosthetic devices based on 3D prints.

In order to achieve the above purpose, the utility model discloses technical scheme as follows:

A3D printing-based automobile plastic part repairing device comprises an optical 3D scanning mechanism, a 3D printing mechanism, an ultrasonic cutting mechanism, a surface integration repairing mechanism and a processor; the processor comprises a main analysis unit, a display unit and a wireless transmission unit, wherein the display unit and the wireless transmission unit are connected with the main analysis unit;

the optical 3D scanning mechanism is used for scanning the damaged part to be repaired of the automobile plastic part, is connected with the main analysis unit of the processor, and generates a three-dimensional model diagram of the local part perfectly attached to the damaged part of the plastic part by combining the three-dimensional data of the perfect form of the part to be repaired, and the three-dimensional model diagram is displayed by the display unit of the processor;

the 3D printing mechanism is internally provided with a 3D printing consumable which is connected with a wireless transmission unit of the processor, receives the generated three-dimensional model diagram and prints out a local part of the part to be repaired;

the ultrasonic cutting mechanism and the surface integration repairing mechanism are controlled by the processor, and the ultrasonic cutting mechanism is used for attaching the printed local part to the damaged part of the automobile plastic part and carrying out ultrasonic cutting, shaping and aligning; the surface integration repairing mechanism repairs and shapes the damaged part of the plastic part through a plastic adhesive and a surface treating agent.

Optionally, the optical 3D scanning mechanism adopts white light raster scanning working in a non-contact three-dimensional scanning manner; the full-automatic splicing can realize the reverse modeling of the complex free-form surface; a composite three-dimensional non-contact measuring device combines a structured light technology, a phase measuring technology and a computer vision technology.

Optionally, the 3D printing mechanism employs a printer of a large-size industrial-grade FDM system.

Optionally, the ultrasonic cutting mechanism is a micro ultrasonic cutting knife with a frequency of 40kHz (4 ten thousand times per second).

Further, the processor may modify the generated three-dimensional model map.

Furthermore, the surface integration repair mechanism can also adopt paint to carry out paint spraying repair.

Further, the 3D printing supplies adopt PETG supplies; has good plasticity, strong viscosity, high deformation temperature, strong impact modification and stress whitening resistance, and is an environment-friendly material.

Furthermore, the plastic adhesive adopts two-component epoxy glue, and the film forming component of the plastic adhesive is modified water-soluble epoxy resin, so that the plastic adhesive has auxiliary film forming, antistatic and lubricating properties; the coating has strong adhesion to glass fibers, is soft in formed film, is insensitive to acidity, can be highly attached to the vehicle bumper material, and has no rejection to the vehicle paint coating.

Furthermore, the surface treating agent adopts a silica gel surface treating agent aiming at improving the surface polarity of the plastic cement (PETG \ R-PP \ ABS), so that the adhesive force of the reinforced epoxy glue on the surface of the repaired part is greatly enhanced.

Furthermore, the paint adopts putty and plastic primer, so that the problem of paint cracking in the repair processing process can be effectively prevented. Preferably, the coating adopts plastic frosted paint, and the repair and restoration of the car body frosted ornament can be simply and conveniently processed.

Has the advantages that: (1) the utility model has the advantages of simple structure and reasonable design, realize and use convenient operation. The automobile plastic part damage repairing device can accurately repair and restore damaged parts of automobile plastic parts, reduces resource waste, and greatly reduces component purchasing cost, so that insurance claim settlement cost is greatly reduced, and replacement claim settlement cost can be reduced by 70%. In the process of vehicle body refitting process processing or part model workpiece detection manufacturing, the processing time is greatly shortened, and manpower and material resources are greatly saved.

(2) To the damage condition such as fracture, local disappearance, serious deformation of the plastic part of different materials such as R-PP, ABS, glass fiber, carbon fiber, the utility model discloses an automobile plastic part repair system combines 3D printing consumables, plastic binder, surface treatment agent and coating can both carry out accurate restoration.

(3) The utility model has the advantages of high efficiency, high precision, long service life, high resolution, etc., and adopts large-size industrial grade 3D printing equipment to operate easily, and has low cost, and can meet the requirement of printing larger repaired parts; the ultrasonic cutting equipment is convenient to operate, safe, noiseless, free of dust pollution, fast and accurate.

Drawings

Fig. 1 is a block diagram of the present invention.

Detailed Description

The present invention is described below with reference to specific examples. It will be understood by those skilled in the art that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention in any way.

A3D printing-based automobile plastic part repairing device is shown in figure 1 and comprises an optical 3D scanning mechanism, a 3D printing mechanism, an ultrasonic cutting mechanism, a surface integration repairing mechanism and a processor; the processor comprises a main analysis unit, a display unit and a wireless transmission unit, wherein the display unit and the wireless transmission unit are connected with the main analysis unit. The optical 3D scanning mechanism is used for scanning the damaged part to be repaired of the automobile plastic part, is connected with the main analysis unit of the processor, and generates a three-dimensional model diagram of the local part perfectly attached to the damaged part of the plastic part by combining the three-dimensional data of the perfect form of the part to be repaired, and the three-dimensional model diagram is displayed by the display unit of the processor; the processor can modify the generated three-dimensional model diagram; the 3D printing mechanism is internally provided with a 3D printing consumable which is connected with the wireless transmission unit of the processor, receives the generated three-dimensional model diagram and prints out a local part of the part to be repaired; the ultrasonic cutting mechanism and the surface integration repairing mechanism are controlled by the processor, and the ultrasonic cutting mechanism is used for attaching the printed local part to the damaged part of the automobile plastic part and carrying out ultrasonic cutting, shaping and aligning; the surface integration repairing mechanism repairs and shapes the damaged part of the plastic part through a plastic adhesive and a surface treating agent, and can also adopt paint for paint spraying repair.

In the present embodiment, the optical 3D scanning mechanism employs white light raster scanning that operates in a non-contact three-dimensional scanning manner; the full-automatic splicing can realize the reverse modeling of the complex free-form surface. The 3D printing mechanism can adopt a printer of a large-size industrial FDM system. The ultrasonic cutting mechanism is a micro ultrasonic cutting knife with 40kHz (4 ten thousand times per second). Wherein, the 3D printing consumables adopt PETG consumables; the plastic adhesive adopts two-component epoxy glue, and the surface treatment agent adopts a silica gel surface treatment agent aiming at improving the surface polarity of a plastic cement (PETG \ R-PP \ ABS) material; the plastic frosted paint is adopted as the coating, so that the repair and restoration of the frosted ornament of the automobile body can be simply and conveniently carried out.

The utility model discloses a work flow:

(1) acquiring three-dimensional data of an initial intact form of the automobile plastic part, and storing the three-dimensional data in a processor;

(2) the optical 3D scanning mechanism scans the damaged part of the automobile plastic part to be repaired in a non-contact three-dimensional scanning mode to generate a three-dimensional model diagram of the local part perfectly attached to the damaged part of the plastic part,

(3) modifying the three-dimensional model diagram by the processor;

(4) outputting the modified three-dimensional data to 3D printing equipment, and 3D printing out required local parts;

(5) mounting and fixing the printed local part, adhering the surface of the block part to the recessed part of the vehicle shell, pressing and fixing, and shaping and aligning by using an ultrasonic cutting mechanism; the surface integration repairing mechanism carries out micro-orthopedic correction on the damaged part of the plastic part through a plastic adhesive and a surface treating agent, and then carries out polishing operation;

(6) and (5) performing paint spraying repair on the vehicle shell which is completely corrected and polished.

Claims

1. A3D printing-based automobile plastic part repairing device is characterized by comprising an optical 3D scanning mechanism, a 3D printing mechanism, an ultrasonic cutting mechanism, a surface integration repairing mechanism and a processor; the processor comprises a main analysis unit, a display unit and a wireless transmission unit, wherein the display unit and the wireless transmission unit are connected with the main analysis unit;

the optical 3D scanning mechanism is connected with a main analysis unit of the processor, the optical 3D scanning mechanism scans the damaged part of the automobile plastic part to be repaired, the main analysis unit generates a three-dimensional model diagram of the local part perfectly attached to the damaged part of the plastic part by combining the three-dimensional data of the perfect form of the part to be repaired, and the three-dimensional model diagram is displayed by a display unit of the processor;

2. The 3D printing-based plastic part repairing device for automobiles according to claim 1, wherein the 3D printing mechanism adopts a printer of large-scale industrial FDM system.

3. The 3D printing-based plastic part repairing device for the automobile according to claim 1, wherein the ultrasonic cutting mechanism is a micro ultrasonic cutting knife with the frequency of 40 kHz.

4. The 3D printing-based plastic part repairing device for the automobile according to claim 1, wherein the 3D printing consumables are PETG consumables.

5. The 3D printing-based plastic part repairing device for the automobile according to claim 1, wherein the plastic adhesive is two-component epoxy glue.