Efficient and accurate paint spraying robot

Abstract

The utility model relates to the related technical field of paint spraying robots, in particular to an efficient and accurate paint spraying robot which comprises a rack, a paint spraying mechanism is arranged at one end of the rack, in the using process, the module is externally connected with a control unit, and the control unit is connected with an external computer through a circuit. The module is mainly used for accurately identifying and positioning a workpiece before paint spraying, the surface of the workpiece can be rapidly scanned through the laser triangulation sensor, and shape, size and position information of the workpiece can be obtained. Then, an advanced image processing algorithm is used for analyzing and processing the information, the paint spraying area and path are accurately determined, the innovation point of the module is that a laser triangulation sensor and an accurate positioning algorithm of the module are used, paint spraying accuracy and efficiency can be greatly improved, paint spraying errors and waste are reduced, and in addition, the system is easy to popularize and use. The module can automatically adjust the paint spraying pressure according to different paint spraying requirements and workpiece surface characteristics, and the paint spraying quality is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to related technical field of paint spraying robot especially, a kind of high-efficiency precision paint spraying robot. BACKGROUND

[0002] With the continuous improvement of industrial automation level, as the key process link in industrial production, the automation and intelligent level of paint spraying is widely concerned. At present, the research and application of domestic visual intelligent control paint spraying robot system are increasingly mature. By introducing and digesting foreign advanced technology, combined with domestic market demand, domestic enterprises have successfully developed multiple visual intelligent control paint spraying robot systems with independent intellectual property rights. These systems have the characteristics of high precision, high efficiency and high automation, and can be widely used in automobile, household appliance, 3C electronic and other fields. However, compared with foreign advanced level, domestic paint spraying robot still has certain gap in visual recognition accuracy and motion control stability, so a high-efficiency precision paint spraying robot is particularly needed.

[0003] However, the existing paint spraying robot still has challenges in high-precision identification and positioning on the surface of complex workpieces during use, especially for workpieces with irregular shape and multiple materials. It is currently difficult to achieve accurate identification and positioning. The existing paint spraying robot cannot meet the uniformity, coverage and thickness of paint during paint spraying operation, so there is a slight deficiency in the planning and control of paint spraying trajectory, which affects the paint spraying quality. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of high-efficiency precision paint spraying robot to solve the problem that the existing paint spraying robot in the above background technology has challenges in high-precision identification and positioning on the surface of complex workpieces during use, especially for workpieces with irregular shape and multiple materials. It is currently difficult to achieve accurate identification and positioning. The existing paint spraying robot cannot meet the uniformity, coverage and thickness of paint during paint spraying operation, so there is a slight deficiency in the planning and control of paint spraying trajectory, which affects the paint spraying quality.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of high-efficiency precision paint spraying robot, including rack, the one end of the rack is provided with paint spraying mechanism;

[0006] The paint spraying mechanism comprises a first rack, a first gear, a first transmission shaft, a first drive motor, a first guide rail, a first ball slide, a fixed plate, a first fixed block, a first shell, a cross beam, a second rack, a second gear, a second transmission shaft, a second drive motor, a first sliding block, a second guide rail and a second ball slide, one side of the rack is fixedly connected with the first rack, one side of the surface of the first rack is meshedly connected with the first gear, the inner surface of the first gear is fixedly connected with the first transmission shaft, one end of the first transmission shaft is fixedly connected with the first drive motor, one end of the rack is fixedly connected with the first guide rail, the surface of the first guide rail is slidably connected with the first ball slide, one end of the first ball slide is fixedly connected with the fixed plate, one end of the fixed plate is fixedly connected with the first fixed block, the other end of the fixed plate is fixedly connected with the first shell, one end of the first fixed block is fixedly connected with the cross beam, both sides of the cross beam are fixedly connected with the second rack, one side of the surface of the second rack is meshedly connected with the second gear, the inner surface of the second gear is fixedly connected with the second transmission shaft, one end of the second transmission shaft is fixedly connected with the second drive motor, one side of the surface of the second drive motor is fixedly connected with the first sliding block, the other side of the surface of the cross beam is fixedly connected with the second guide rail, and the surface of the second guide rail is slidably connected with the second ball slide.

[0007] Preferably, the first transmission shaft is fixedly connected with the fixed plate, and the first ball slide is provided in four groups.

[0008] Preferably, the first guide rail is provided in two groups, and the second guide rail is slidably connected with the second ball slide.

[0009] Preferably, the second ball slide is fixedly connected with the first sliding block.

[0010] Preferably, one end of the first sliding block is fixedly connected with a second fixed block, the inner wall surface of the second fixed block is fixedly connected with a third drive motor, the output end of the third drive motor is fixedly connected with a lead screw, one side of the surface of the lead screw is threadedly connected with a second sliding block, one side of the second sliding block is fixedly connected with a second shell, one side of the surface of the second shell is fixedly connected with a paint bucket, one end of the paint bucket is fixedly connected with a first connecting pipe, one end of the first connecting pipe is fixedly connected with a flow sensor, one end of the flow sensor is fixedly connected with a second connecting pipe, one end of the second connecting pipe is fixedly connected with an electric regulating valve, one end of the electric regulating valve is fixedly connected with a third connecting pipe, one end of the third connecting pipe is fixedly connected with a spray head, and one side of the surface of the second shell is fixedly connected with a laser triangulation sensor.

[0011] Preferably, the second shell is fixedly connected with the second connecting pipe, and the paint bucket is provided in two groups.

[0012] Preferably, the second housing is connected with the second fixed block through a screw rod and a second sliding block.

[0013] Compared with the prior art, the beneficial effects of the high-precision paint spraying robot are as follows: the high-precision paint spraying robot is internally provided with a corresponding paint spraying mechanism, advanced machine vision technology is introduced into the system, the robot can realize real-time sensing and identification of the shape and color of the workpiece surface, based on the information, the robot can autonomously plan a paint spraying track to realize accurate paint spraying operation, meanwhile, combined with an intelligent control algorithm, the robot can automatically adjust paint spraying parameters according to the type of the coating and the shape of the workpiece to achieve the best coating effect, the device can realize high-precision paint spraying through accurate position control and paint spraying parameter adjustment, whether for large workpieces or small parts, the robot can realize paint spraying at a stable speed and uniform coating thickness to ensure the quality and uniformity of the coating, and greatly improve the quality of paint spraying. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a side view appearance structure schematic view of the utility model;

[0015] Figure 2 It is a first guide rail and cross beam mutual cooperation structure schematic view of the utility model part;

[0016] Figure 3 It is a first guide rail and cross beam mutual cooperation structure schematic view of the utility model part;

[0017] Figure 4 It is a first guide rail and cross beam mutual cooperation structure schematic view of the utility model part; Figure 3 It is a first guide rail and cross beam mutual cooperation structure schematic view of the utility model part;

[0018] Figure 5 It is a second fixed block and second housing mutual cooperation structure schematic view of the utility model part.

[0019] In the figure: 1, rack; 2, paint spraying mechanism; 201, first rack; 202, first gear; 203, first transmission shaft; 204, first drive motor; 205, first guide rail; 206, first ball sliding block; 207, fixed plate; 208, first fixed block; 209, first housing; 210, cross beam; 211, second rack; 212, second gear; 213, second transmission shaft; 214, second drive motor; 215, first sliding block; 216, second guide rail; 217, second ball sliding block; 218, second fixed block; 219, third drive motor; 220, screw rod; 221, second sliding block; 222, second housing; 223, paint bucket; 224, first connecting pipe; 225, flow sensor; 226, second connecting pipe; 227, electric regulating valve; 228, third connecting pipe; 229, spray head; 230, laser triangulation sensor. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] Please refer to Figures 1-5 The present application provides a technical solution: an efficient and accurate paint spraying robot, comprising a rack 1, one end of the rack 1 is provided with a paint spraying mechanism 2;

[0022] The paint spraying mechanism 2 comprises a first rack 201, a first gear 202, a first transmission shaft 203, a first drive motor 204, a first guide rail 205, a first ball sliding block 206, a fixed plate 207, a first fixed block 208, a first housing 209, a cross beam 210, a second rack 211, a second gear 212, a second transmission shaft 213, a second drive motor 214, a first sliding block 215, a second guide rail 216 and a second ball sliding block 217, one side of the rack 1 is fixedly connected with the first rack 201, one side of the surface of the first rack 201 is meshedly connected with the first gear 202, the inner surface of the first gear 202 is fixedly connected with the first transmission shaft 203, one end of the first transmission shaft 203 is fixedly connected with the first drive motor 204, one end of the rack 1 is fixedly connected with the first guide rail 205, the surface of the first guide rail 205 is slidably connected with the first ball sliding block 206, one end of the first ball sliding block 206 is fixedly connected with the fixed plate 207, one end of the fixed plate 207 is fixedly connected with the first fixed block 208, the other end of the fixed plate 207 is fixedly connected with the first housing 209, one end of the first fixed block 208 is fixedly connected with the cross beam 210, both sides of the cross beam 210 are fixedly connected with the second rack 211, one side of the surface of the second rack 211 is meshedly connected with the second gear 212, the inner surface of the second gear 212 is fixedly connected with the second transmission shaft 213, one end of the second transmission shaft 213 is fixedly connected with the second drive motor 214, one side of the surface of the second drive motor 214 is fixedly connected with the first sliding block 215, the other side of the surface of the cross beam 210 is fixedly connected with the second guide rail 216, the surface of the second guide rail 216 is slidably connected with the second ball sliding block 217, during use, when the first drive motor 204 operates, the first gear 202 is indirectly driven to rotate, the meshing transmission between the first gear 202 and the first rack 201 indirectly drives the cross beam 210 to displace, when the second drive motor 214 operates, the second gear 212 is indirectly driven to rotate, the meshing transmission between the second gear 212 and the second rack 211 indirectly drives the second sliding block 221 to displace, the module is externally connected with a control unit, the control unit is connected with an external computer through a circuit, and precise paint spraying operation of multi-axis linkage is realized. It is composed of multiple high-precision motors and mechanical arms, can move flexibly in three-dimensional space, and performs paint spraying operation according to preset path and parameters. Compared with traditional paint spraying equipment, the module has higher movement precision and speed, can realize all-round paint spraying of complex-shaped workpieces, and the paint spraying lines are smoother and more uniform. At the same time, by optimizing the mechanical structure and motion control algorithm, the vibration and error in the movement process are reduced, and the quality and efficiency of the paint spraying are further improved.

[0023] Further, the first transmission shaft 203 is fixedly connected with the fixed plate 207, the first ball sliding block 206 is provided in four groups, through the setting of the first transmission shaft 203 and the fixed plate 207, the first transmission shaft 203 can keep stable rotation, thereby ensuring the stability of paint spraying, through the setting of the four groups of first ball sliding blocks 206, the movement of the cross beam 210 can be more stable, and the stability of the device is improved.

[0024] Further, the first guide rail 205 is provided in two groups, the second guide rail 216 is slidably connected with the second ball sliding block 217, through the setting of the two groups of first guide rails 205, the mutual cooperation of the two groups of first guide rails 205 can ensure that the device is not affected in the process of moving paint spraying, the quality of paint spraying is improved, through the setting of the second guide rail 216 and the second ball sliding block 217, it is favorable to reduce the vibration and error in the movement process of the device, and the paint spraying quality problem caused by the instability of the device is avoided.

[0025] Further, the second ball sliding block 217 is fixedly connected with the first sliding block 215, through the setting of the second ball sliding block 217 and the first sliding block 215, the first sliding block 215 can move with the second ball sliding block 217, which is favorable to realize the precise paint spraying operation of multi-axis linkage.

[0026] Further, one end of the first sliding block 215 is fixedly connected with the second fixed block 218, the inner wall surface of the second fixed block 218 is fixedly connected with the third driving motor 219, the output end of the third driving motor 219 is fixedly connected with the lead screw 220, one side of the surface of the lead screw 220 is threadedly connected with the second sliding block 221, one side of the second sliding block 221 is fixedly connected with the second shell 222, one side of the surface of the second shell 222 is fixedly connected with the paint bucket 223, one end of the paint bucket 223 is fixedly connected with the first connecting pipe 224, one end of the first connecting pipe 224 is fixedly connected with the flow sensor 225, one end of the flow sensor 225 is fixedly connected with the second connecting pipe 226, one end of the second connecting pipe 226 is fixedly connected with the electric regulating valve 227, one end of the electric regulating valve 227 is fixedly connected with the third connecting pipe 228, one end of the third connecting pipe 228 is fixedly connected with the spray head 229, one side of the surface of the second shell 222 is fixedly connected with the laser triangulation sensor 230, in the use process, when the third driving motor 219 drives the lead screw 220 to rotate, the second sliding block 221 is driven to displace, the displacement of the second sliding block 221 drives the second shell 222 to displace, the displacement of the second shell 222 drives the spray head 229 to displace, this module is externally connected with a control unit, the control unit is connected with an external computer through a circuit, this module is mainly used for accurate identification and positioning of workpieces before spraying paint. Through the laser triangulation sensor 230, the workpiece surface can be quickly scanned to obtain its shape, size and position information. Then, using advanced image processing algorithms, these information is analyzed and processed to accurately determine the spraying area and path. The innovation of this module lies in its laser triangulation sensor 230 and precise positioning algorithm, which can greatly improve the accuracy and efficiency of spraying, reduce spraying errors and waste, in addition, this module can automatically adjust the spraying pressure according to different spraying requirements and workpiece surface characteristics. It is equipped with an electric regulating valve 227 and an intelligent control system, which can monitor the pressure change in real time during the spraying process. When encountering complex-shaped workpieces or requiring different thickness coatings, the system will automatically adjust the pressure to ensure the uniformity and quality of the spraying. For example, when spraying a curved surface, the module can automatically increase the pressure to make the paint better adhere to the curved surface; for the flat part, the pressure is appropriately reduced to avoid excessive accumulation of paint. This adaptive adjustment function not only improves the quality of spraying, but also saves paint and reduces costs.

[0027] Further, the second shell 222 is fixedly connected with the second connecting pipe 226, the paint buckets 223 are provided in two groups, through the arrangement of the second shell 222 and the second connecting pipe 226, the second connecting pipe 226 can be stably fixed in the interior of the second shell 222, the uniformity of spraying is improved, through the arrangement of the two groups of paint buckets 223, the two groups of paint buckets are pressure buckets, which can provide enough paint for the spraying work, and the spraying efficiency is improved.

[0028] Further, the second shell 222 is connected with the second fixed block 218 through the screw rod 220 and the second sliding block 221, and the arrangement of the second shell 222, the screw rod 220, the second sliding block 221 and the second fixed block 218 can keep the second shell 222 stable during movement, thereby indirectly improving the quality of paint spraying.

[0029] Working principle: During use, when the first drive motor 204 operates, it will indirectly drive the first gear 202 to rotate, and the meshing transmission between the first gear 202 and the first rack 201 will indirectly drive the cross beam 210 to displace. When the second drive motor 214 operates, it will indirectly drive the second gear 212 to rotate, and the meshing transmission between the second gear 212 and the second rack 211 will indirectly drive the second sliding block 221 to displace. This module is externally connected with a control unit, which is connected with an external computer through a circuit, realizing precise paint spraying operation with multi-axis linkage. It is composed of multiple high-precision motors and mechanical arms, which can move flexibly in three-dimensional space and perform paint spraying operations according to preset paths and parameters. Compared with traditional paint spraying equipment, this module has higher movement precision and speed, can realize all-around paint spraying of complex-shaped workpieces, and the paint lines are smoother and more uniform. At the same time, through optimization of mechanical structure and motion control algorithm, vibration and error in the movement process are reduced, further improving the quality and efficiency of paint spraying. When the third drive motor 219 drives the screw rod 220 to rotate, it will drive the second sliding block 221 to displace, and the displacement of the second sliding block 221 will drive the second shell 222 to displace, and the displacement of the second shell 222 will drive the spray head 229 to displace. This module is externally connected with a control unit, which is connected with an external computer through a circuit. This module is mainly used for accurate identification and positioning of workpieces before paint spraying. Through the laser triangulation sensor 230, the surface of the workpiece can be quickly scanned to obtain its shape, size and position information. Then, using advanced image processing algorithms, these information is analyzed and processed to accurately determine the spraying area and path. The innovation of this module lies in its laser triangulation sensor 230 and accurate positioning algorithm, which can greatly improve the accuracy and efficiency of paint spraying, reduce paint spraying errors and waste. In addition, this module can automatically adjust the paint spraying pressure according to different paint spraying requirements and workpiece surface characteristics. It is equipped with an electric regulating valve 227 and an intelligent control system, which can monitor the pressure change in real time during paint spraying. When encountering complex-shaped workpieces or requiring different thickness coatings, the system will automatically adjust the pressure to ensure the uniformity and quality of paint spraying. For example, when spraying a curved surface, the module can automatically increase the pressure to make the coating better adhere to the curved surface; for flat parts, the pressure is appropriately reduced to avoid excessive coating accumulation. This adaptive adjustment function not only improves the quality of paint spraying, but also saves coating and reduces costs, greatly improving the quality of paint spraying.

[0030] While the embodiments of the present application have been illustrated 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 spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A high-efficiency precision paint spraying robot comprising a frame (1), characterized in that: One end of the rack (1) is provided with a paint spraying mechanism (2); The paint spraying mechanism (2) comprises a first rack (201), a first gear (202), a first transmission shaft (203), a first drive motor (204), a first guide rail (205), a first ball sliding block (206), a fixed plate (207), a first fixed block (208), a first shell (209), a cross beam (210), a second rack (211), a second gear (212), a second transmission shaft (213), a second drive motor (214), a first sliding block (215), a second guide rail (216) and a second ball sliding block (217), one side of the rack (1) is fixedly connected with the first rack (201), one side of the surface of the first rack (201) is meshedly connected with the first gear (202), the inner surface of the first gear (202) is fixedly connected with the first transmission shaft (203), one end of the first transmission shaft (203) is fixedly connected with the first drive motor (204), one end of the rack (1) is fixedly connected with the first guide rail (205), the surface of the first guide rail (205) is slidably connected with the first ball sliding block (206), one end of the first ball sliding block (206) is fixedly connected with the fixed plate (207), one end of the fixed plate (207) is fixedly connected with the first fixed block (208), the other end of the fixed plate (207) is fixedly connected with the first shell (209), one end of the first fixed block (208) is fixedly connected with the cross beam (210), the two sides of the cross beam (210) are fixedly connected with the second rack (211), one side of the surface of the second rack (211) is meshedly connected with the second gear (212), the inner surface of the second gear (212) is fixedly connected with the second transmission shaft (213), one end of the second transmission shaft (213) is fixedly connected with the second drive motor (214), one side of the surface of the second drive motor (214) is fixedly connected with the first sliding block (215), the other side of the surface of the cross beam (210) is fixedly connected with the second guide rail (216), the surface of the second guide rail (216) is slidably connected with the second ball sliding block (217).

2. The high-precision paint spraying robot according to claim 1, characterized in that: The first transmission shaft (203) is fixedly connected with the fixed plate (207), and the first ball sliding block (206) is provided in four groups.

3. The high-precision paint spraying robot according to claim 1, wherein: The first guide rail (205) is provided in two groups, and the second guide rail (216) is slidably connected with the second ball sliding block (217).

4. The high-precision paint spraying robot according to claim 1, wherein: The second ball sliding block (217) is fixedly connected with the first sliding block (215).

5. The high-precision paint spraying robot according to claim 1, wherein: One end of the first sliding block (215) is fixedly connected with the second fixed block (218), the inner wall surface of the second fixed block (218) is fixedly connected with the third driving motor (219), the output end of the third driving motor (219) is fixedly connected with the lead screw (220), one side of the surface of the lead screw (220) is threadedly connected with the second sliding block (221), one side of the second sliding block (221) is fixedly connected with the second shell (222), one side of the surface of the second shell (222) is fixedly connected with the paint bucket (223), one end of the paint bucket (223) is fixedly connected with the first connecting pipe (224), one end of the first connecting pipe (224) is fixedly connected with the flow sensor (225), one end of the flow sensor (225) is fixedly connected with the second connecting pipe (226), one end of the second connecting pipe (226) is fixedly connected with the electric regulating valve (227), one end of the electric regulating valve (227) is fixedly connected with the third connecting pipe (228), one end of the third connecting pipe (228) is fixedly connected with the spray head (229), one side of the surface of the second shell (222) is fixedly connected with the laser triangulation sensor (230).

6. The high-precision paint spraying robot according to claim 5, wherein: The second shell (222) is fixedly connected with the second connecting pipe (226), and the paint bucket (223) is provided in two groups.

7. The high-precision paint spraying robot according to claim 5, wherein: The second shell (222) is slidably connected with the second fixed block (218) through the lead screw (220) and the second sliding block (221).

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