CN117774348A - Automobile ornament wrapping and attaching process - Google Patents

Automobile ornament wrapping and attaching process Download PDF

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Publication number
CN117774348A
CN117774348A CN202311660977.1A CN202311660977A CN117774348A CN 117774348 A CN117774348 A CN 117774348A CN 202311660977 A CN202311660977 A CN 202311660977A CN 117774348 A CN117774348 A CN 117774348A
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CN
China
Prior art keywords
mask
adhesive tape
stripping
decorative cover
base paper
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311660977.1A
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Chinese (zh)
Inventor
赵春龙
李珂
张峰
陈胜燕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangyin Daoda Auto Decorations Co ltd
Original Assignee
Jiangyin Daoda Auto Decorations Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangyin Daoda Auto Decorations Co ltd filed Critical Jiangyin Daoda Auto Decorations Co ltd
Priority to CN202311660977.1A priority Critical patent/CN117774348A/en
Publication of CN117774348A publication Critical patent/CN117774348A/en
Pending legal-status Critical Current

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Abstract

The invention relates to the technical field of automobile ornaments, and discloses an automobile ornament wrapping and attaching process, which comprises the following steps: the method comprises the steps that firstly, in a manual feeding and discharging area, a mask, a decorative cover and two adhesive tapes are precisely positioned through a tool, and an auxiliary cylinder is installed to clamp the mask; step two, automatically sucking up the mask adhesive tape through a mechanism, stripping the lower-layer base paper, attaching the mask adhesive tape on the surface of the mask, maintaining the pressure through a profiling tool, and stripping the upper-layer base paper through a stripping mechanism; step three, automatically sucking up the decorative cover adhesive tape through a mechanism, stripping the lower base paper, attaching the lower base paper to the surface of the face mask, maintaining the pressure through a profiling tool, and stripping the upper base paper through a stripping mechanism; step four, automatically sucking up the decorative cover through the mechanism, assembling the decorative cover on the mask, and maintaining pressure; step five, checking the assembly quality of the mask, ensuring that the assembly is accurate, and cleaning and disinfecting the mask; and step six, packaging and packaging the assembled mask.

Description

Automobile ornament wrapping and attaching process
Technical Field
The invention relates to the technical field of automobile ornaments, in particular to an automobile ornament wrapping and attaching process.
Background
The adhesive tape, commonly called adhesive tape, is composed of a base material, an adhesive and release paper, has the basic functions of sealing, connecting, fixing, protecting and the like, is further expanded to multiple composite functions of water resistance, insulation, conductivity, high temperature resistance, corrosion resistance and the like along with the improvement of a production process, is widely applied in daily life and industrial activities, and is an important auxiliary material necessary for automobile production along with the development of automobile manufacturing technology and the continuous improvement of performance requirements of the automobile manufacturing technology. The sticking process has the functions of enhancing the automobile structure, confining rust prevention, heat insulation, shock absorption and internal and external decoration in the automobile manufacturing industry, can replace the traditional processes of welding, riveting and the like of certain parts, realizes the connection between the same or different materials, simplifies the production process and optimizes the product structure. The tape-sticking process is increasingly important in the road of the automobile industry, which is light, high-speed, energy-saving, life-prolonging and performance-improving.
The invention discloses a cladding device and cladding technology for automobile seat decoration pieces, which are found to be CN 116214945B, and comprises the following steps: a horizontal angle adjusting mechanism, a height adjusting mechanism and a turnover mechanism; the horizontal angle adjusting mechanism is located at the lowest part of the device and can be fixedly installed at the ground position of a processing area to realize the integral fixation of the device, the left side and the right side of the top of the horizontal angle adjusting mechanism are respectively provided with a bilaterally symmetrical height adjusting mechanism along the up-down direction, and the inner sides of the left and the right height adjusting mechanisms are provided with bilaterally symmetrical turnover mechanisms. This a cladding device and cladding technology for car seat gadget can assist the staff to carry out cladding technology by hand, cooperates the staff operation to carry out direction and angle adjustment to the seat work piece, improves production efficiency and process accuracy, reduces working strength, realizes stable fixed, avoids leading to the condition of error reworking.
Due to the comprehensive development of industrial automation and the continuous improvement of scientific technology, the improvement of the working efficiency is urgent, and the technical scheme uses equipment staff collocation, but still takes staff as a dominant part, and the requirement of industrial automation is not met by the simple manual work.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides an automobile ornament wrapping and pasting process, which has the advantages that the whole assembly and pasting process is split, the operation is performed by dividing the whole assembly and pasting process into a plurality of stations through line balance logic, each station completes the established operation within the specified time through a mechanical arm, and the like, and solves the problems of the prior art.
(II) technical scheme
In order to achieve the above purpose, the present invention provides the following technical solutions: an automobile ornament wrapping and attaching process comprises the following steps:
the method comprises the steps that firstly, in a manual feeding and discharging area, a mask, a decorative cover and two adhesive tapes are precisely positioned through a tool, and an auxiliary cylinder is installed to clamp the mask;
step two, automatically sucking up the mask adhesive tape through a mechanism, stripping the lower-layer base paper, attaching the mask adhesive tape on the surface of the mask, maintaining the pressure through a profiling tool, and stripping the upper-layer base paper through a stripping mechanism;
step three, automatically sucking up the decorative cover adhesive tape through a mechanism, stripping the lower base paper, attaching the lower base paper to the surface of the face mask, maintaining the pressure through a profiling tool, and stripping the upper base paper through a stripping mechanism;
step four, automatically sucking up the decorative cover through the mechanism, assembling the decorative cover on the mask, and maintaining pressure;
step five, checking the assembly quality of the mask, ensuring that the assembly is accurate, and cleaning and disinfecting the mask;
and step six, packaging and packaging the assembled mask.
Preferably, the mechanism is a triaxial servo robot, the pasting precision standard is +/-0.01 MM, and the gap is +/-0.6 MM after the face mask and the decorative cover are assembled and maintained.
Through above-mentioned technical scheme, through adopting triaxial servo robot, pasting precision standard is + -0.01 mm, so the accurate positioning and the assembly of face guard and decorative cover all have high accuracy, ensure that the clearance between face guard and the decorative cover is steady about + -0.6 mm to improve product quality and stability.
Preferably, the second operation step is as follows: servo Z-axis downward pressing, vacuum adsorption, Z-axis upward movement, Y-axis movement, stripping mechanism feeding, clamping of the head paper, stripping mechanism withdrawing, Y-axis movement, Z-axis downward pressing, pressure maintaining, clamping of the head paper, Z-axis upward movement, and stripping of the head paper.
Through above-mentioned technical scheme, lift-off operation is carried out through pressing from both sides tight lift-off paper through peeling means, can peel off the lift-off paper of face guard sticky tape fast and high-efficient, and peeling means is through accurate control and regulation, can peel off the lift-off paper accurately, guarantees the stability and the uniformity of peeling off the process.
Preferably, the step three operation steps are as follows: servo Z-axis downward pressing, vacuum adsorption, Z-axis upward movement, Y-axis movement, stripping mechanism feeding, clamping of the head paper, stripping mechanism withdrawing, Y-axis movement, Z-axis downward pressing, pressure maintaining, clamping of the head paper, Z-axis upward movement, and stripping of the head paper.
Through above-mentioned technical scheme, through pressing from both sides tight play head paper and peeling off the operation, ensure that the play head paper of face guard sticky tape is peeled off steadily, control the peeling strength accurately, effectively guaranteed the laminating quality of face guard sticky tape and the uniformity of product to product quality and stability have been improved.
Preferably, the step four operation steps are as follows: servo Z-axis downward pressing, vacuum adsorption, Z-axis upward movement, Y-axis movement, Z-axis downward pressing, pressure maintaining, vacuum adsorption of products and movement to a production line.
Through above-mentioned technical scheme, through carrying out pressurize and vacuum adsorption with the product after, ensure stability and the fixity of product in the removal in-process, prevent that the product from shifting or rocking in the transportation, improve laminating and the assembly accuracy of product, through servo Z axle, Y axle etc. mechanical equipment's automatic control, carry out pressurize and vacuum adsorption with the product to accurately remove it to on the assembly line, realized automatic production flow.
Preferably, the fixture in the first step comprises a clamp, a clamp die and a template, and the fine positioning in the first step comprises the following steps:
s1.1, mask positioning: placing the mask on the tool, and ensuring the correct position and angle of the mask;
s1.2, positioning a decorative cover: the decorative cover is placed on the tool, and matching and alignment of the decorative cover and the mask are ensured through a positioning device in the tool;
s1.3, positioning an adhesive tape: the two adhesive tapes are respectively placed on the corresponding positions, and the accurate positions of the adhesive tapes are ensured through a positioning device in the tool;
s1.4, auxiliary cylinder installation and clamping: mounting an assist cylinder to a robot, automation device, or other suitable device;
s1.5, accurate positioning adjustment: fine tuning is performed on the precise positioning of the mask, the decorative cover and the adhesive tape.
Preferably, the tooling in S1.1 is equipped with a locating pin, a clamping device, etc. for accurately placing the mask at a specified position, and the fine tuning tool in S1.5 includes an adjusting bolt, a nut, and a locating pin.
Preferably, the mask tape stripping in the second step further comprises the following steps:
s2.1, sucking by using an adhesive tape: the mechanism sucks mask adhesive tape through a sucking disc and a suction nozzle device;
s2.2, peeling the lower base paper: the mechanism peels the bottom paper of the lower layer of the mask adhesive tape through a proper device;
s2.3, adhesive tape lamination: accurately attaching the adhesive tape stripped with the base paper on the surface of the mask through a mechanism;
s2.4, pressure maintaining of the profiling tool: after the adhesive tape is attached, the adhesive tape is subjected to pressure maintaining through a profiling tool;
s2.5, stripping the upper base paper: and after the adhesive tape is attached and pressure maintaining, the bottom paper on the upper layer of the adhesive tape is peeled off through a peeling mechanism.
Preferably, the step three of peeling the lower base paper further comprises the steps of:
s3.1, absorbing the decorative cover adhesive tape: the mechanism sucks the adhesive tape of the decorative cover through devices such as a sucker, a suction nozzle and the like;
s3.2, stripping the lower base paper: the mechanism peels off the bottom paper of the lower layer of the decorative cover adhesive tape through a proper device;
s3.3, adhesive tape lamination: accurately attaching the decorative cover adhesive tape to the surface of the face mask to which the face mask adhesive tape is attached;
s3.4, pressure maintaining of the profiling tool: maintaining pressure on the attached decorative cover adhesive tape through a profiling tool;
s3.5, stripping the upper base paper: and after the bonding and pressure maintaining are finished, stripping the base paper on the upper layer of the decorative cover adhesive tape through a stripping mechanism.
Preferably, the pressure maintaining device in the fourth step comprises a pressure maintaining roller and a pressure device, wherein the pressure maintaining device is used for firmly adhering the decorative cover and the face mask, and removing bubbles at the same time so as to enable the decorative cover and the face mask to be completely adhered.
Compared with the prior art, the invention provides an automobile ornament wrapping and pasting process, which has the following beneficial effects:
1. the invention adopts the triaxial servo robot, the pasting precision standard is +/-0.01 mm, so that the mask and the decorative cover are accurately positioned and assembled, the mask adhesive tape is automatically sucked up through the mechanism, the lower-layer base paper is peeled off and attached to the surface of the mask, the pressure is maintained through the profiling tool, the upper-layer base paper is peeled off through the peeling mechanism, the decorative cover adhesive tape is automatically sucked up through the mechanism, the lower-layer base paper is attached to the surface of the mask, the pressure is maintained through the profiling tool, the upper-layer base paper is peeled off through the peeling mechanism, the decorative cover is automatically sucked up through the mechanism and assembled on the mask, the pressure is maintained, the beneficial effects that the whole assembly and package technology is split, the operation is performed by dividing the line balance logic into a plurality of stations, and each station is completed in a set time through the manipulator are achieved.
2. According to the invention, the triaxial servo robot is adopted, the pasting precision standard is +/-0.01 mm, so that the precise positioning and assembling of the mask and the decorative cover are high in precision, the gap between the mask and the decorative cover is ensured to be stabilized to be +/-0.6 mm, the product quality and stability are improved, each station completes the established operation within the specified time through the manipulator, staff is not a main factor influencing the operation any more, and only loading and unloading are needed, so that the beneficial effect of improving the working efficiency of the automobile ornament pasting is achieved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, an automotive trim packaging process includes the following steps:
the method comprises the steps that firstly, in a manual feeding and discharging area, a mask, a decorative cover and two adhesive tapes are precisely positioned through a tool, and an auxiliary cylinder is installed to clamp the mask;
step two, automatically sucking up the mask adhesive tape through a mechanism, stripping the lower-layer base paper, attaching the mask adhesive tape on the surface of the mask, maintaining the pressure through a profiling tool, and stripping the upper-layer base paper through a stripping mechanism;
step three, automatically sucking up the decorative cover adhesive tape through a mechanism, stripping the lower base paper, attaching the lower base paper to the surface of the face mask, maintaining the pressure through a profiling tool, and stripping the upper base paper through a stripping mechanism;
step four, automatically sucking up the decorative cover through the mechanism, assembling the decorative cover on the mask, and maintaining pressure;
step five, checking the assembly quality of the mask, ensuring that the assembly is accurate, and cleaning and disinfecting the mask;
and step six, packaging and packaging the assembled mask.
Specifically, the mechanism is a triaxial servo robot, the pasting precision standard is +/-0.01 MM, and after the face mask and the decorative cover are assembled and maintained, the gap is +/-0.6 MM.
Specifically, the second operation step is as follows: servo Z-axis downward pressure-vacuum adsorption-Z-axis upward-Y-axis movement-stripping mechanism feeding-clamping the head starting paper-stripping mechanism withdrawing-Y-axis movement-Z-axis downward pressure-pressure maintaining-clamping the head starting paper-Z-axis upward-stripping the head starting paper, and the mask tape stripping machine has the advantages that the head starting paper of the mask tape can be stripped rapidly and efficiently through the stripping operation of the stripping mechanism by clamping the head starting paper, and the stripping mechanism can accurately strip the head starting paper through accurate control and adjustment, so that the stability and consistency of the stripping process are ensured.
Specifically, the third operation step is as follows: the mask adhesive tape has the advantages that the stable stripping of the head paper of the mask adhesive tape is ensured by clamping the head paper and stripping operation, the stripping force is accurately controlled, the laminating quality of the mask adhesive tape and the consistency of products are effectively ensured, and the product quality and stability are improved.
Specifically, the fourth operation step is as follows: the servo Z-axis downward pressing, vacuum adsorption, Z-axis upward pressing, Y-axis downward pressing, pressure maintaining and vacuum adsorption of products and the products are moved onto a production line.
Specifically, the fixture in the first step comprises a fixture, a fixture die and a template, and the fine positioning in the first step comprises the following steps:
s1.1, mask positioning: placing the mask on the tool, and ensuring the correct position and angle of the mask;
s1.2, positioning a decorative cover: the decorative cover is placed on the tool, and matching and alignment of the decorative cover and the mask are ensured through a positioning device in the tool;
s1.3, positioning an adhesive tape: the two adhesive tapes are respectively placed on the corresponding positions, and the accurate positions of the adhesive tapes are ensured through a positioning device in the tool;
s1.4, auxiliary cylinder installation and clamping: mounting an assist cylinder to a robot, automation device, or other suitable device;
s1.5, accurate positioning adjustment: fine tuning is performed on the precise positioning of the mask, the decorative cover and the adhesive tape.
Specifically, the tooling in S1.1 is equipped with a locating pin, a clamping device, etc. for accurately placing the mask at a specified position, and the fine tuning tool in S1.5 includes an adjusting bolt, a nut, and a locating pin.
Specifically, the mask tape stripping in the second step further comprises the following steps:
s2.1, sucking by using an adhesive tape: the mechanism sucks mask adhesive tape through a sucking disc and a suction nozzle device;
s2.2, peeling the lower base paper: the mechanism peels the bottom paper of the lower layer of the mask adhesive tape through a proper device;
s2.3, adhesive tape lamination: accurately attaching the adhesive tape stripped with the base paper on the surface of the mask through a mechanism;
s2.4, pressure maintaining of the profiling tool: after the adhesive tape is attached, the adhesive tape is subjected to pressure maintaining through a profiling tool;
s2.5, stripping the upper base paper: and after the adhesive tape is attached and pressure maintaining, the bottom paper on the upper layer of the adhesive tape is peeled off through a peeling mechanism.
Specifically, the step three of peeling the lower base paper further comprises the following steps:
s3.1, absorbing the decorative cover adhesive tape: the mechanism sucks the adhesive tape of the decorative cover through devices such as a sucker, a suction nozzle and the like;
s3.2, stripping the lower base paper: the mechanism peels off the bottom paper of the lower layer of the decorative cover adhesive tape through a proper device;
s3.3, adhesive tape lamination: accurately attaching the decorative cover adhesive tape to the surface of the face mask to which the face mask adhesive tape is attached;
s3.4, pressure maintaining of the profiling tool: maintaining pressure on the attached decorative cover adhesive tape through a profiling tool;
s3.5, stripping the upper base paper: and after the bonding and pressure maintaining are finished, stripping the base paper on the upper layer of the decorative cover adhesive tape through a stripping mechanism.
Specifically, the pressure maintaining device in the fourth step comprises a pressure maintaining roller and a pressure device, wherein the pressure maintaining device is used for firmly adhering the decorative cover and the face mask, and removing bubbles at the same time, so that the decorative cover and the face mask are completely adhered.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The automobile ornament wrapping and attaching process is characterized by comprising the following steps of:
the method comprises the steps that firstly, in a manual feeding and discharging area, a mask, a decorative cover and two adhesive tapes are precisely positioned through a tool, and an auxiliary cylinder is installed to clamp the mask;
step two, automatically sucking up the mask adhesive tape through a mechanism, stripping the lower-layer base paper, attaching the mask adhesive tape on the surface of the mask, maintaining the pressure through a profiling tool, and stripping the upper-layer base paper through a stripping mechanism;
step three, automatically sucking up the decorative cover adhesive tape through a mechanism, stripping the lower base paper, attaching the lower base paper to the surface of the face mask, maintaining the pressure through a profiling tool, and stripping the upper base paper through a stripping mechanism;
step four, automatically sucking up the decorative cover through the mechanism, assembling the decorative cover on the mask, and maintaining pressure;
step five, checking the assembly quality of the mask, ensuring that the assembly is accurate, and cleaning and disinfecting the mask;
and step six, packaging and packaging the assembled mask.
2. The automotive trim component-attaching process according to claim 1, characterized in that: the mechanism is a triaxial servo robot, the pasting precision standard is +/-0.01 MM, and the gap is +/-0.6 MM after the face mask and the decorative cover are assembled and maintained.
3. The automotive trim component-attaching process according to claim 2, characterized in that: the second operation step is as follows: servo Z-axis downward pressing, vacuum adsorption, Z-axis upward movement, Y-axis movement, stripping mechanism feeding, clamping of the head paper, stripping mechanism withdrawing, Y-axis movement, Z-axis downward pressing, pressure maintaining, clamping of the head paper, Z-axis upward movement, and stripping of the head paper.
4. A process for attaching an automotive trim part according to claim 3, wherein: the third operation step is as follows: servo Z-axis downward pressing, vacuum adsorption, Z-axis upward movement, Y-axis movement, stripping mechanism feeding, clamping of the head paper, stripping mechanism withdrawing, Y-axis movement, Z-axis downward pressing, pressure maintaining, clamping of the head paper, Z-axis upward movement, and stripping of the head paper.
5. The automotive trim component-attaching process according to claim 4, wherein: the fourth operation step is as follows: servo Z-axis downward pressing, vacuum adsorption, Z-axis upward movement, Y-axis movement, Z-axis downward pressing, pressure maintaining, vacuum adsorption of products and movement to a production line.
6. The automotive trim component-attaching process according to claim 1, characterized in that: the fixture comprises a fixture, a fixture die and a template, and the fine positioning in the first step comprises the following steps:
s1.1, mask positioning: placing the mask on the tool, and ensuring the correct position and angle of the mask;
s1.2, positioning a decorative cover: the decorative cover is placed on the tool, and matching and alignment of the decorative cover and the mask are ensured through a positioning device in the tool;
s1.3, positioning an adhesive tape: the two adhesive tapes are respectively placed on the corresponding positions, and the accurate positions of the adhesive tapes are ensured through a positioning device in the tool;
s1.4, auxiliary cylinder installation and clamping: mounting an assist cylinder to a robot, automation device, or other suitable device;
s1.5, accurate positioning adjustment: fine tuning is performed on the precise positioning of the mask, the decorative cover and the adhesive tape.
7. The automotive trim component-attaching process according to claim 1, characterized in that: the tooling in the step S1.1 is provided with a locating pin, a clamping device and the like for accurately placing the mask at a specified position, and the fine tuning tool in the step S1.5 comprises an adjusting bolt, a nut and a locating pin.
8. The automotive trim component-attaching process according to claim 1, characterized in that: the mask tape stripping in the second step further comprises the following steps:
s2.1, sucking by using an adhesive tape: the mechanism sucks mask adhesive tape through a sucking disc and a suction nozzle device;
s2.2, peeling the lower base paper: the mechanism peels the bottom paper of the lower layer of the mask adhesive tape through a proper device;
s2.3, adhesive tape lamination: accurately attaching the adhesive tape stripped with the base paper on the surface of the mask through a mechanism;
s2.4, pressure maintaining of the profiling tool: after the adhesive tape is attached, the adhesive tape is subjected to pressure maintaining through a profiling tool;
s2.5, stripping the upper base paper: and after the adhesive tape is attached and pressure maintaining, the bottom paper on the upper layer of the adhesive tape is peeled off through a peeling mechanism.
9. The automotive trim component-attaching process according to claim 1, characterized in that: the step three of stripping the lower base paper further comprises the following steps:
s3.1, absorbing the decorative cover adhesive tape: the mechanism sucks the adhesive tape of the decorative cover through devices such as a sucker, a suction nozzle and the like;
s3.2, stripping the lower base paper: the mechanism peels off the bottom paper of the lower layer of the decorative cover adhesive tape through a proper device;
s3.3, adhesive tape lamination: accurately attaching the decorative cover adhesive tape to the surface of the face mask to which the face mask adhesive tape is attached;
s3.4, pressure maintaining of the profiling tool: maintaining pressure on the attached decorative cover adhesive tape through a profiling tool;
s3.5, stripping the upper base paper: and after the bonding and pressure maintaining are finished, stripping the base paper on the upper layer of the decorative cover adhesive tape through a stripping mechanism.
10. The automotive trim component-attaching process according to claim 1, characterized in that: the pressure maintaining device in the fourth step comprises a pressure maintaining roller and a pressure device, wherein the pressure maintaining device is used for firmly adhering the decorative cover and the face mask, and removing bubbles at the same time, so that the decorative cover and the face mask are completely adhered.
CN202311660977.1A 2023-12-05 2023-12-05 Automobile ornament wrapping and attaching process Pending CN117774348A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311660977.1A CN117774348A (en) 2023-12-05 2023-12-05 Automobile ornament wrapping and attaching process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311660977.1A CN117774348A (en) 2023-12-05 2023-12-05 Automobile ornament wrapping and attaching process

Publications (1)

Publication Number Publication Date
CN117774348A true CN117774348A (en) 2024-03-29

Family

ID=90387964

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311660977.1A Pending CN117774348A (en) 2023-12-05 2023-12-05 Automobile ornament wrapping and attaching process

Country Status (1)

Country Link
CN (1) CN117774348A (en)

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