An actuator for realizing the uniform motion of a handheld laser cleaning head

Abstract

The present invention relates to an actuator for realizing the uniform motion of a handheld laser cleaning head. One end of the connecting body of the actuator is connected to a positioning mechanism, and the other end of the connecting body is connected to a linear motion mechanism. The connecting plate of the positioning mechanism is fixedly connected to the connecting body. An adsorption structure is arranged on the connecting plate. There are holes on the connecting plate, and an adjustable diamond-shaped area plate is connected to the connecting plate. The holes correspond to the diamond-shaped area plate. The guide groove of the linear motion mechanism is fixedly arranged on the connecting body. A lead screw is arranged in the guide groove. One end of the lead screw is connected to a driving motor. A nut on the lead screw is clamped in the guide groove, and a gun head connecting piece is fixedly connected to the nut. The actuator for realizing the uniform motion of the handheld laser cleaning head provided by the present invention can ensure that the distance between the handheld laser cleaning head and the workpiece remains consistent during handheld laser cleaning, and the running speed is a uniform linear motion, thereby improving the cleaning efficiency and reducing the manual operation time.

Description

Technical Field

[0001] The present invention relates to the technical field of laser cleaning equipment, and particularly relates to an actuator for realizing the uniform motion of a handheld laser cleaning head, which is mainly used to realize the uniform linear motion of a handheld laser cleaning machine. Background Art

[0002] With the development of laser cleaning technology, laser cleaning has been well-known and recognized by enterprises. Among them, handheld laser cleaning is more easily accepted by everyone. Handheld laser cleaning mainly relies on manual operation. However, during the operation process, people will be interfered by external factors, and there are many uncertain factors, so that it is impossible to ensure the consistency of the distance between the laser cleaning head and the workpiece, nor can it ensure the consistency of the scanning speed of the cleaning head. Moreover, manual operation is laborious and easy to cause fatigue. It can be seen from experiments that distance and speed are important parameters for laser cleaning. If the two cannot be guaranteed, it will directly affect the cleaning effect and even damage the substrate, which is irreparable. Therefore, how to ensure that when performing handheld laser cleaning, the distance between the cleaning head and the workpiece is consistent, and the running speed is a uniform linear motion, and to improve the cleaning efficiency and reduce the manual operation time have become urgent problems to be solved at present. Summary of the Invention

[0003] Object of the Invention:

[0004] The present invention provides an actuator for realizing the uniform motion of a handheld laser cleaning head, aiming to solve the problems that the distance between the laser head and the workpiece cannot be guaranteed during manual laser cleaning, and the cleaning head cannot perform uniform motion, etc.

[0005] Technical Solution

[0006] An actuator for realizing the uniform motion of a handheld laser cleaning head, one end of the connection main body of the actuator is connected to a positioning mechanism, and the other end of the connection main body is connected to a linear motion mechanism.

[0007] The connecting plate of the positioning mechanism is fixedly connected to the connection main body. An adsorption structure is arranged on the connecting plate. There are holes on the connecting plate, and an adjustable diamond-shaped area plate is connected to the connecting plate. The holes correspond to the diamond-shaped area plate.

[0008] The guide groove of the linear motion mechanism is fixedly arranged on the connection main body. A lead screw is arranged in the guide groove. One end of the lead screw is connected to a driving motor. A nut on the lead screw is clamped in the guide groove, and a gun head connecting piece is fixedly connected to the nut.

[0009] An expansion rod is clamped in the frame body of the connection main body. The linear motion mechanism is fixedly connected to the frame body, and the expansion rod is fixedly connected to the positioning mechanism.

[0010] The adsorption structure is a suction cup or an electromagnet.

[0011] The diamond-shaped area plate is composed of two moving plates, which are arranged opposite to each other. Bar-shaped card slots are provided at the upper and lower ends of the moving plates, and the bar-shaped card slots are clamped on the bar-shaped tracks provided on the connecting plate.

[0012] The gun head connecting piece includes a gun head connecting plate and an adjusting connecting plate. One end of the gun head connecting plate is provided with a kidney-shaped hole, and the other end of the gun head connecting plate is provided with a bar-shaped groove. The end of the gun head connecting plate provided with the bar-shaped groove is connected to the adjusting connecting plate, and two gun head connecting plates on the same side are connected.

[0013] Advantages and effects:

[0014] The actuator provided by the present invention for realizing the uniform motion of the hand-held laser cleaning head can ensure that the distance between the hand-held laser cleaning head and the workpiece remains consistent during hand-held laser cleaning, and the running speed is a uniform linear motion, thereby improving the cleaning efficiency and reducing the manual operation time. Description of the drawings

[0015] Figure 1 It is a three-dimensional schematic diagram of the assembly of the actuator and the hand-held laser cleaning head;

[0016] Figure 2 It is the front view of the assembly of the actuator and the hand-held laser cleaning head;

[0017] Figure 3 It is a three-dimensional schematic diagram of the actuator;

[0018] Figure 4 It is a structural schematic diagram of the linear motion mechanism;

[0019] Figure 5 It is a cross-sectional view of the linear motion mechanism;

[0020] Labels in the figure: 1. Linear motion mechanism, 2. Connecting body, 3. Hand-held laser cleaning head, 4. Positioning mechanism, 101. Fixed plate, 102. Lead screw, 103. Nut, 104. Gun head connecting piece, 105. Coupling, 106. Driving motor, 107. Bearing, 108. Guide groove, 109. Adjusting connecting plate, 110. Gun head connecting plate, 110-1. Kidney-shaped hole, 110-2. Bar-shaped groove, 201. Frame body, 202. Telescopic rod, 203. Adjusting buckle, 401. Adsorption structure, 402. Diamond-shaped area plate, 402-1. Moving plate, 402-2. Bar-shaped card slot, 403. Connecting plate, 403-1. Hole, 403-2. Bar-shaped track. Detailed implementation manners

[0021] The implementation process of the present invention will be described in detail below in combination with the drawings and technical solutions in the embodiments of the present invention.

[0022] As Figures 1-3As shown in the figure, an actuator for realizing the uniform motion of a handheld laser cleaning head. One end of the connecting body 2 of the actuator is connected to the positioning mechanism 4, and the other end of the connecting body 2 is connected to the linear motion mechanism 1. The linear motion mechanism 1 is used to clamp and fix the handheld laser cleaning head 3;

[0023] The positioning mechanism 4 is composed of an adsorption structure 401, a rhombic area plate 402 and a connecting plate 403. The connecting plate 403 is fixedly connected to the connecting body 2 by screws. The adsorption structure 401 is arranged on the connecting plate 403. A rhombic hole 403-1 is arranged on the connecting plate 403. An adjustable rhombic area plate 402 is connected to the connecting plate 403. The rhombic hole 403-1 corresponds to the rhombic area plate 402;

[0024] The rhombic area plate 402 is composed of two moving plates 402-1. The two moving plates 402-1 are arranged oppositely. After the two moving plates 402-1 contact each other relatively, a rhombic hole is formed in the middle. Strip-shaped card slots 402-2 are arranged at the upper and lower ends of the moving plate 402-1. The strip-shaped card slots 402-2 are clamped on the strip-shaped tracks 403-2 arranged on the connecting plate 403. The strip-shaped card slots 402-2 match the strip-shaped tracks 403-2. After the two moving plates 402-1 contact each other relatively, the formed rhombic hole is perpendicular to the rhombic hole 403-1 arranged on the connecting plate 403, that is, the longer diagonals of the two rhombuses are perpendicular. When the two moving plates 402-1 are moved relatively, the size of the cleaning area can be adjusted, the scanning area can be reduced, and the influence on other areas of the workpiece can be reduced.

[0025] As Figures 4-5 shown in the figure, the linear motion mechanism 1 includes a fixing plate 101, a lead screw 102, a lead screw nut 103, a gun head connecting piece 104, a coupling 105, a driving motor 106, a bearing 107, a guide groove 108, etc. The guide groove 108 of the linear motion mechanism 1 is fixedly arranged on the connecting body 2 through the fixing plate 101. A lead screw 102 is arranged in the guide groove 108. One end of the lead screw 102 is connected to a driving motor 106 through a coupling 105. The driving motor 106 is fixed on the fixing plate 101 on one side of the linear motion mechanism 1. The lead screw nut 103 on the lead screw 102 is clamped in the guide groove 108. A gun head connecting piece 104 is fixedly connected to the lead screw nut 103.

[0026] The gun head connector 104 includes 4 gun head connection plates 110 and 2 adjustment connection plates 109. One end of the gun head connection plate 110 is provided with a kidney-shaped hole 110-1, and the other end of the gun head connection plate 110 is provided with a strip-shaped groove. The end of the gun head connection plate 110 provided with the strip-shaped groove 110-2 is bolted to the adjustment connection plate 109, and the width of the gun head connector 104 can be adjusted according to the width of the handheld laser cleaning head 3. The kidney-shaped holes 110-1 of the two gun head connection plates 110 on the same side are bolted together, and the length of the gun head connector 104 can be adjusted according to the length of the handheld laser cleaning head 3. Some materials such as rubber pads, foams, soft cloth, etc. can be set at the contact position between the gun head connector 104 and the handheld laser cleaning head 3, so that the handheld laser cleaning head 3 and the gun head connector 104 are closer, and the handheld laser cleaning head 3 can be prevented from being scratched, thereby effectively ensuring the stable operation of the handheld laser cleaning head 3.

[0027] The driving motor 106 drives the lead screw 102 to rotate through the coupling 105. The rotation of the lead screw 102 drives the nut 103 to perform uniform linear motion along the guide groove 108 of the fixed plate 101 axially, that is, the handheld laser cleaning head 3 is driven to perform uniform linear motion through the gun head connector 104; at the same time, the running speed and the traveling distance can also be adjusted according to actual needs, ensuring the consistency of the speed, and improving the cleaning quality and cleaning efficiency. After the linear motion mechanism fixes the handheld laser cleaning head, it drives the cleaning head to move. The uniform linear motion of the handheld laser cleaning head is realized, thereby ensuring the cleaning quality, reducing manual operation, and avoiding the occurrence of damage to the base material.

[0028] Both sides of the nut 103 are convex structures, and the guide grooves 108 on both sides of the fixed plate 101 are concave structures. The convex structures on both sides of the nut 103 match the concave structures of the guide grooves 108, and the nut 103 can slide relative to the guide grooves 108, thereby ensuring that the handheld laser cleaning head 3 moves along a straight line and improving the accuracy of the linear motion mechanism.

[0029] The connection main body 2 is mainly composed of a frame body 201, 4 telescopic rods 202, a plurality of adjustment buckles 203, etc. The telescopic rods 202 are clamped in the frame body 201 of the connection main body 2 through the adjustment buckles 203, that is, the telescopic rods 202 can slide left and right in the legs of the frame body 201. The fixed plate 101 of the linear motion mechanism 1 is fixedly connected to the frame body 201, and the telescopic rods 202 are fixedly connected to the connection plate 403 of the positioning mechanism 4.

[0030] The adsorption structure 401 is a suction cup or an electromagnet. It can either generate negative pressure through the suction cup to adsorb on the workpiece to be cleaned, or adsorb on the workpiece to be cleaned through the magnetic action of the electromagnet. After the positioning mechanism 4 is placed at the expected position on the workpiece surface, a signal can be sent through the button to energize the electromagnet. After being energized, the electromagnet will have magnetic force and thus adsorb on the workpiece surface. If the object to be cleaned cannot be adsorbed by magnetic force, the suction cup is selected to achieve the adsorption function through atmospheric pressure.

[0031] The adjustment buckle 203 is an existing telescopic adjustment buckle. A spring is provided at the lower end of the adjustment cap of the adjustment buckle 203. When the adjustment cap is pressed, the telescopic rod 202 can slide in the leg of the frame body 201. After reaching the predetermined position, the spring of the adjustment buckle 203 returns to its original state, causing the adjustment buckle 203 to snap into the hole provided on the frame body 201 to lock and fix the relative position of the frame body 201 and the telescopic rod 202. The connection body is used to connect the linear motion mechanism and the positioning mechanism together, and the entire mechanism is connected together with bolts to adjust the distance between the handheld laser cleaning head 3 and the workpiece, so as to adapt to different powers of the handheld laser cleaning head 3.

[0032] For the convenience of operation and to reduce the weight of the main body, the material of the present invention is preferably a lightweight alloy material with low mass.

[0033] When the workpiece needs to be cleaned, according to the different powers of the handheld laser cleaning head 3, the relative position of the frame body 201 and the telescopic rod 202 is adjusted, and the handheld laser cleaning head 3 is fixedly connected to the gun head connecting piece 104. Then, the positioning mechanism 4 is placed near the pre-cleaning area. The relative position between the diamond area plates 402 can be moved according to the size of the cleaning area to change the range of the scanning area, and then it is fixed on the connecting plate 403 with screws. This can reduce the scanning area and shield and protect the parts that do not need to be cleaned. After the handheld laser cleaning head 3 is aligned with the part of the workpiece to be cleaned, the adsorption structure 401 adsorbs on the workpiece surface to fix the mechanism. Finally, the driving motor 106 drives the lead nut 103 to move uniformly in a straight line along the guide groove 108 to achieve the uniform straight-line cleaning operation of the handheld laser cleaning head 3.

Claims

1. An actuator for realizing the uniform motion of a handheld laser cleaning head, characterized in that: One end of the connecting body (2) of the actuator is connected to the positioning mechanism (4), and the other end of the connecting body (2) is connected to the linear motion mechanism (1). The connecting plate (403) of the positioning mechanism (4) is fixedly connected to the connecting body (2). An adsorption structure (401) is provided on the connecting plate (403). The adsorption structure (401) is a suction cup or an electromagnet. A hole (403-1) is provided on the connecting plate (403). An adjustable diamond-shaped area plate (402) is connected to the connecting plate (403). The diamond-shaped area plate (402) is composed of two moving plates (402-1). The two moving plates (402-1) are arranged oppositely. Strip-shaped card slots (402-2) are provided at the upper and lower ends of the moving plate (402-1). The strip-shaped card slots (402-2) are clamped on the strip-shaped tracks (403-2) provided on the connecting plate (403). The hole (403-1) corresponds to the diamond-shaped area plate (402). The guide groove (108) of the linear motion mechanism (1) is fixedly arranged on the connecting body (2). A lead screw (102) is arranged in the guide groove (108). One end of the lead screw (102) is connected to a driving motor (106). A nut (103) on the lead screw (102) is clamped in the guide groove (108). A gun head connecting piece (104) is fixedly connected to the nut (103). Both sides of the nut (103) are convex structures, and the guide grooves (108) on both sides of the fixing plate (101) are concave structures. The convex structures on both sides of the nut (103) match the concave structures of the guide grooves (108). The nut (103) can slide relatively along the guide groove (108). An expansion link (202) is clamped in the frame body (201) of the connecting body (2) through an adjustment buckle (203). The linear motion mechanism (1) is fixedly connected to the frame body (201). The expansion link (202) is fixedly connected to the positioning mechanism (4). If the object to be cleaned cannot be magnetically adsorbed, the adsorption structure (401) selects a suction cup to achieve the adsorption function through atmospheric pressure. The relative positions between the diamond-shaped area plates (402) can be moved according to the size of the cleaning area to change the range of the scanning area, so as to reduce the scanning area and shield and protect the parts that do not need to be cleaned.

2. The actuator for realizing the uniform motion of the handheld laser cleaning head according to claim 1, characterized in that: The gun head connecting piece (104) includes a gun head connecting plate (110) and an adjustment connecting plate (109). One end of the gun head connecting plate (110) is provided with a waist-shaped hole (110-1), and the other end of the gun head connecting plate (110) is provided with a strip-shaped groove (110-2). The end of the gun head connecting plate (110) provided with the strip-shaped groove (110-2) is connected to the adjustment connecting plate (109). The two gun head connecting plates (110) on the same side are connected.

Images