CN-116273686-B - Automatic coating system and control method thereof

Abstract

The invention discloses an automatic coating system and a control method thereof, wherein the automatic coating system comprises a lifting positioning device and an automatic coating device, the lifting positioning device comprises a coating platform and a lifting mechanism, the coating platform is used for placing a piece to be coated, the lifting mechanism comprises a lifting driving piece, a supporting piece and at least two positioning pins, positioning holes are formed in the coating platform corresponding to the positioning pins, the automatic coating system comprises a mechanical arm, a coating mechanism and an image acquisition piece, the coating mechanism comprises a glue pump, a glue gun and a glue tube, the glue gun is arranged on the mechanical arm, the two ends of the glue tube are respectively connected with the glue pump and the glue gun, the image acquisition piece is used for acquiring image information of the piece to be coated and analyzing and acquiring position information, and the image acquisition piece is arranged on the mechanical arm so that the mechanical arm can drive the image acquisition piece and the glue gun to move. The automatic coating system replaces operators to coat the parts to be coated, realizes coating automation, reduces labor cost and eliminates the risk of diseases increased by the operators because of coating operation.

Inventors

• Lai Longda
• CHEN XIAOLIANG
• LI HAOQIANG

Assignees

• 广汽丰田汽车有限公司

Dates

Publication Date

20260505

Application Date

20230306

Claims (9)

1. 1. An automated coating system, comprising: The lifting positioning device comprises a coating platform and a lifting mechanism, wherein the coating platform is used for placing a piece to be coated, the lifting mechanism comprises a lifting driving piece, a supporting piece and at least two positioning pins, and positioning holes are formed in the coating platform corresponding to the positioning pins; The automatic coating device comprises a mechanical arm, a coating mechanism and an image acquisition part, wherein the coating mechanism comprises a glue pump, a glue gun and a glue tube, the glue gun is arranged on the mechanical arm, and two ends of the glue tube are respectively connected with the glue pump and the glue gun; The lifting positioning device further comprises a shielding mechanism, the shielding mechanism comprises a shielding driving piece, a connecting frame and a shielding assembly, the connecting frame is connected with a projecting shaft of the shielding driving piece, the shielding assembly comprises a lifting driving piece, a lifting table and a shielding piece, the shielding piece is arranged on the lifting table, and the lifting driving piece is used for driving the shielding piece to lift through the lifting table so as to separate or attach the shielding piece to a non-coating area; the number of the shielding pieces is multiple, and the shielding pieces are arranged at intervals; the shielding piece comprises a limiting part, a sliding part and a shielding part which are connected in sequence, the sliding part is in sliding fit with the lifting table, the limiting part and the shielding part are respectively positioned on the upper side and the lower side of the lifting table, and the shielding part is used for shielding the non-coating area; The shielding assembly further comprises a buffer spring, the buffer spring is wound on the periphery of the sliding part, one end of the buffer spring is abutted to the bottom surface of the lifting table, and the other end of the buffer spring is abutted to the top surface of the shielding part.
2. 2. The automatic coating system according to claim 1, wherein the lifting and positioning device further comprises a conveying mechanism and two limiting pieces mounted on the conveying mechanism, the conveying mechanism is used for conveying the coating platform to a coating station, the two limiting pieces are arranged corresponding to the coating station, and the two limiting pieces are respectively arranged on two sides of the coating platform at intervals along a direction perpendicular to a transmission direction of the conveying mechanism.
3. 3. The automated coating system of claim 2, wherein the lifting positioning device further comprises a positioning mechanism disposed corresponding to the coating station, the positioning mechanism comprising a blocking assembly and a positioning assembly disposed opposite each other along a direction of transport of the transport mechanism on both sides of the coating platform, the blocking assembly comprising a blocking drive and a blocking member in driving connection with the blocking drive, the blocking drive driving the blocking member to block movement of the coating platform in a direction opposite the direction of transport, the positioning assembly to urge the coating platform to move in a direction opposite the direction of transport.
4. 4. The automatic coating system according to any one of claims 1 to 3, wherein the automatic coating device further comprises a quantitative mechanism, the rubber tube comprises a first tube body and a second tube body, one end of the first tube body is connected with the rubber pump, the other end of the first tube body is connected with the feeding end of the quantitative mechanism, one end of the second tube body is connected with the discharging end of the quantitative mechanism, and the other end of the second tube body is connected with the rubber gun.
5. 5. The automated coating system according to any one of claims 1 to 3, wherein the automated coating apparatus further comprises an information reading mechanism for acquiring the identification information of the article to be coated.
6. 6. An automatic coating system control method, characterized in that the automatic coating system control method is applied to the automatic coating system according to any one of claims 1 to 5, the automatic coating system control method comprising the steps of: Controlling a lifting driving piece to drive a positioning pin to pass through the positioning hole and lift the coating platform to a preset height; Controlling an image acquisition part to acquire image information of a part to be coated, and analyzing and acquiring two-dimensional position information of the part to be coated according to the image information; Acquiring three-dimensional space coordinate information according to the two-dimensional position information; controlling the mechanical arm to drive the glue gun to move according to the three-dimensional space coordinate information, and simultaneously controlling the glue gun to coat the piece to be coated; The step of calculating the space coordinate information according to the two-dimensional position information comprises the following steps: calling a coating program and Z-axis coordinate correction information matched with product information according to the product information; Acquiring the three-dimensional space coordinate information according to the two-dimensional position information and the Z-axis coordinate correction information; The step of controlling the mechanical arm to drive the glue gun to move according to the three-dimensional space coordinate information and simultaneously controlling the glue gun to coat the piece to be coated comprises the following steps: and controlling the mechanical arm to control the glue gun to move according to the coating program and the three-dimensional space coordinate information, and simultaneously controlling the glue gun to coat the piece to be coated.
7. 7. The method of claim 6, further comprising a transport mechanism and a positioning mechanism, wherein prior to the step of controlling the lift drive to drive the positioning pin through the positioning hole and lift the coating platform to a predetermined height, further comprising: controlling the transmission mechanism to convey the coating platform to a coating station; And controlling the positioning mechanism to position the coating platform.
8. 8. The method of claim 7, further comprising an information reading mechanism, wherein the step of controlling the lifting drive to drive the positioning pin through the positioning hole and lift the coating platform to a predetermined height comprises: Controlling the information reading mechanism to read the identification information of the piece to be coated; Comparing the identification information with the product information, and judging whether the identification information is matched with the product information or not; if yes, the lifting driving piece is controlled to drive the positioning pin to pass through the positioning hole and lift the coating platform to a preset height.
9. 9. The method according to any one of claims 6 to 8, further comprising a quantitative mechanism, wherein the step of controlling the mechanical arm to drive the glue gun to move according to the position correction amount and simultaneously controlling the glue gun to apply the coating to the workpiece to be coated comprises: controlling the quantifying mechanism to obtain gluing amount information of the glue gun; Judging whether the gluing amount information is matched with the product information or not; If not, the alarm is controlled to give an alarm.

Description

Automatic coating system and control method thereof Technical Field The invention relates to the technical field of battery pack manufacturing, in particular to an automatic coating system and a control method thereof. Background Along with the increasing number of new energy automobile manufacturers, cost competition among the manufacturers improves schedules, a plurality of manufacturers select to automatically produce assembled batteries, but the development degree of the existing new energy automobile battery production process technology is not high, a plurality of operations still adopt manual operation, so that the production cost of the automobile battery is high, especially the lower battery shell is coated, the operation needs to be performed by an operator to bend down and squat for a long time, the risk of occupational diseases of the operator is increased, and the operator can increase the risk of diseases of the operator due to slight irritation (sensitization) of the coating, and meanwhile, the coating accuracy required by the operator on the lower automobile shell is high, the operator generally needs to be performed independently through long-term training, and the training cost and the labor cost of the operator all lead to the high production cost of the automobile battery. In view of the foregoing, there is a need for a new automated coating system and control method thereof that addresses or at least alleviates the above-identified technical drawbacks. Disclosure of Invention The invention mainly aims to provide an automatic coating system and a control method thereof, and aims to solve the technical problem that the existing coating of a battery lower shell can increase the risk of illness of operators. In order to achieve the above object, the present invention provides an automatic coating system comprising: The lifting positioning device comprises a coating platform and a lifting mechanism, wherein the coating platform is used for placing a piece to be coated, the lifting mechanism comprises a lifting driving piece, a supporting piece and at least two positioning pins, and positioning holes are formed in the coating platform corresponding to the positioning pins; The automatic coating device comprises a mechanical arm, a coating mechanism and an image acquisition part, wherein the coating mechanism comprises a glue pump, a glue gun and a glue tube, the glue gun is installed on the mechanical arm, two ends of the glue tube are respectively connected with the glue pump and the glue gun, the image acquisition part is used for acquiring image information of the part to be coated and analyzing and acquiring position information, and the image acquisition part is installed on the mechanical arm so that the mechanical arm can drive the image acquisition part and the glue gun to move. In an embodiment, the lifting and positioning device further comprises a conveying mechanism and two limiting pieces mounted on the conveying mechanism, the conveying mechanism is used for conveying the coating platform to the coating station, the two limiting pieces are arranged corresponding to the coating station, and the two limiting pieces are arranged on two sides of the coating platform at intervals along the direction perpendicular to the conveying direction of the conveying mechanism. In an embodiment, the lifting positioning device further comprises a positioning mechanism, the positioning mechanism is arranged corresponding to the coating station, the positioning mechanism comprises a blocking component and a positioning component, the blocking component and the positioning component are oppositely arranged at two sides of the coating platform along the transmission direction of the conveying mechanism, the blocking component comprises a blocking driving piece and a blocking piece in transmission connection with the blocking driving piece, the blocking driving piece drives the blocking piece to block the coating platform to move along the direction opposite to the transmission direction, and the positioning component is used for pushing the coating platform to move along the direction opposite to the transmission direction. In an embodiment, the automatic coating device further comprises a quantifying mechanism, the rubber tube comprises a first tube body and a second tube body, one end of the first tube body is connected with the rubber pump, the other end of the first tube body is connected with the feeding end of the quantifying mechanism, one end of the second tube body is connected with the discharging end of the quantifying mechanism, and the other end of the second tube body is connected with the rubber gun. In an embodiment, the automatic coating device further comprises an information reading mechanism, wherein the information reading mechanism is used for acquiring the identification information of the to-be-coated piece. In an embodiment, the automatic coating system control method is app