A laser polishing device and method for housing parts

Abstract

The application discloses a kind of laser polishing device for shell parts, including laser polisher and polishing production line, the polishing production line includes conveying mechanism, lifting column and belt polishing transmission machine.In the present application, belt polishing transmission machine and laser polisher are arranged, belt polishing transmission machine includes transmission belt, and a plurality of laser polisher is arranged on the outer periphery of transmission belt, after belt polishing transmission machine enters the inner cavity of tire, the laser polisher on transmission belt will be opposite to the inner peripheral wall of tire and the two side walls opposite in tire, by controlling transmission belt operation, the inner peripheral wall and the inner side wall of tire can be polished, with the advantage that the inner cavity wall of tire is polished after clamping tire once, thereby the cost of polishing investment can be greatly reduced, and a kind to be used for shell parts laser polishing method based on laser polishing device is also disclosed, the method makes the polishing of the present device more stable, and the quality after polishing is higher.

Description

Technical Field

[0001] This invention relates to the field of tire inner wall polishing technology, and in particular to a laser polishing device and method for shell parts. Background Technology

[0002] Laser repair technology will be more widely used in the automotive tire manufacturing industry, especially in the production of high-end tires. Laser cleaning and polishing technologies will become important means to improve product quality and performance. At the same time, these technologies will also help reduce production costs, reduce environmental pollution, and promote the sustainable development of the tire industry. In summary, laser repair technology for the inner wall of automotive tires has broad application prospects and significant economic value. With continuous technological advancements and further cost reductions, it is believed that these technologies will be more widely promoted and applied in the future.

[0003] Currently, existing tire inner wall polishing equipment has several shortcomings in laser polishing: 1. The tire inner wall includes the inner circumferential wall and two opposing inner side walls. Existing laser polishing equipment can only polish the inner circumferential wall, making it difficult to polish the opposing inner side walls. To solve this problem, a separate laser polishing device capable of polishing the opposing inner side walls is needed, resulting in a significant investment in polishing costs. 2. It lacks a streamlined polishing process. The typical polishing method involves processing individual tires... 1. The process of loading and unloading tires, grinding them, and then replacing them with tires to be ground has the drawback of long loading and unloading times, resulting in low grinding efficiency when grinding a large number of tires. 2. Existing tire grinding equipment usually controls the rotation of the tire during grinding. When the tire rotates, the laser grinder can grind the inner wall of the tire around. However, the tire is elastic and is prone to lateral displacement during rotation. Lateral displacement can easily lead to under-grinding or over-grinding by the laser grinder, resulting in poor grinding quality.

[0004] Therefore, the present invention proposes a laser polishing device and method for housing parts. Summary of the Invention

[0005] The purpose of this invention is to provide a laser polishing apparatus and method for housing parts in order to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: A laser polishing device for housing parts includes a laser polisher and a polishing production line. The polishing production line includes a conveying mechanism, a lifting column, and a belt polishing drive. The conveying mechanism includes two synchronously moving conveyor belts and an adaptive centering and straightening assembly. Multiple equally spaced adaptive centering and straightening assemblies are connected to the outer periphery of the conveyor belts. The lifting column is located between the two conveyor belts, and a cantilever is fixedly connected to its top moving end. A bearing sleeve is rotatably connected to the cantilever. Transmission beams are fitted at both ends of the bearing sleeve. One side of the transmission beam is fixedly connected to the belt polishing drive via a telescopic drive rod. The belt polishing drive includes a transmission belt. Multiple laser polishers distributed along the length of the belt are fixedly connected to the outer wall of the transmission belt. Control assembly one and control assembly two are provided on the cantilever for controlling the rotation of the bearing sleeve and the sliding of the transmission beams at both ends of the bearing sleeve, respectively.

[0007] As a further description of the above technical solution: The adaptive centering and straightening assembly includes two bracket mechanisms. Each bracket mechanism includes a connecting frame, a clamping plate, a telescopic rod, a sliding sleeve, a spring, and a synchronous limiting assembly. The outer wall of the conveyor belt is fixedly connected to a support platform that is rotatably connected to the inner side of the connecting frame. Two parallel baffles are fixedly connected to one end of the connecting frame. A sliding shaft near the bottom is fixedly connected between the two baffles. Two sliding sleeves are fitted on the sliding shaft. The two sliding sleeves are rotatably connected to the tops of the two baffles via the telescopic rod. A spring located on the opposite side of the two sliding sleeves is fitted on the sliding shaft. The back of the clamping plate is rotatably connected to the telescopic rod, and a torsion spring is provided at the rotatable connection. The middle part of the sliding shaft is movably connected to the two sliding sleeves via the synchronous limiting assembly.

[0008] As a further description of the above technical solution: The connecting frame is a portal frame structure. A positioning shaft is fixedly connected between two parallel straight rods on the connecting frame. A limiting tube is embedded in the support platform and sleeved outside the positioning shaft. The limiting tube and the positioning shaft are rotatably connected. The middle beam on the connecting frame is an inwardly recessed trapezoidal structure.

[0009] As a further description of the above technical solution: The synchronous limiting assembly includes a turntable and a connecting rod. The bottom center of the sliding shaft is fixedly connected to the rod shaft that is rotatably connected to the turntable. Two centrally symmetrical eccentric shafts are fixedly connected to the surface of the turntable. The two eccentric shafts are respectively hinged to the outer walls of the two sliding sleeves through the connecting rod.

[0010] As a further description of the above technical solution: One end of the cantilever is fixedly connected to two positioning sleeves sleeved outside the bearing sleeve by two connecting beams. The positioning sleeves and the bearing sleeve are rotatably connected. The control assembly includes a worm and a worm wheel. The worm wheel is fixedly sleeved on the bearing sleeve and located between the two positioning sleeves. A grooved frame is fixedly connected between the two connecting beams. A worm that meshes with the worm wheel is rotatably connected to the grooved frame.

[0011] As a further description of the above technical solution: The second control assembly includes a drive shaft, a rotating shaft, a connecting ring, and a collar. Two collars are respectively located on the opposite sides of the two positioning sleeves and are axially slidably connected to the bearing sleeve. Transmission beams at both ends of the bearing sleeve are fixedly connected to the two collars. A connecting ring is rotatably connected to the outer side of each collar. A transmission thread sleeve is fixedly connected to the outer wall of the connecting ring via a connecting arm. A horizontal plate is fixedly connected to the outer walls of the two positioning sleeves via a vertical plate. The rotating shaft is rotatably connected to the vertical plate and is fitted onto the transmission thread sleeve. The rotating shaft and the transmission thread sleeve are screwed together. The drive shaft is rotatably connected to the horizontal plate, and a driving bevel gear is fixedly connected to one end of the drive shaft. A driven bevel gear that meshes with the driving bevel gear is fixedly fitted onto the rotating shaft.

[0012] As a further description of the above technical solution: The belt polishing transmission machine includes an arc-shaped frame and a transmission shaft. The arc-shaped frame has support wheels at both ends that abut against the transmission belt. A U-shaped frame is fixedly connected to the back of the arc-shaped frame and fixedly connected to the moving end of the telescopic drive rod. The transmission shaft is rotatably connected to the U-shaped frame. One end of the transmission shaft is fixedly connected to a transmission wheel that abuts against the inner side of the transmission belt.

[0013] A method for laser polishing of housing parts includes the following steps: Step 1: Place multiple tires on the adaptive centering and straightening assembly on two conveyor belts in advance, and then use a stick to tap both sides of the tires on the adaptive centering and straightening assembly 2-3 times on each side. Step 2: Control the operation of the conveyor belt at a speed of 0.5-0.8 m / s. The conveyor belt 21 carries the first tire to one end of the transmission beam and then stops. Step 3: Control the lifting column to raise and lower, and adjust the bearing sleeve and tire to be in a coaxial state according to the tire specifications; Step 4: Control the transmission beams at both ends of the bearing sleeve to move outward until the two belt polishing drives enter the two tires respectively, and then control the telescopic drive rod to extend and drive the belt polishing drives into the inner cavity of the tires; Step 5: Control the operation of the drive belt so that the multiple laser polishers on it are respectively aligned with the inner peripheral wall and the two opposite side walls of the tire. Step 6: According to the tire specifications, adjust the controller electrically connected to each laser polisher to adjust the power of each laser polisher 1, and set the revolution speed of the laser polisher 1 according to the power. Step 7: Start the laser polisher, then control the bearing sleeve to rotate. The belt polishing drive will revolve and drive multiple laser polishers to simultaneously polish the inner circumference and inner side walls of the tire. After each round of polishing, control the drive belt to move the laser polisher on it to one polishing position. As a further description of the above technical solution: In step six, the speed of the laser polisher's revolution is controlled within the range of 0.4-0.8 rpm.

[0014] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are: 1. In this invention, a belt polishing drive and a laser polisher are provided. The belt polishing drive includes a drive belt, and several laser polishers are arranged on the outer periphery of the drive belt. After the belt polishing drive enters the inner cavity of the tire, the laser polishers on the drive belt will be aligned with the inner peripheral wall of the tire and the opposite side walls of the tire. By controlling the operation of the drive belt, the inner peripheral wall and the inner side walls of the tire can be polished. It has the advantage of polishing the entire inner cavity wall of the tire after clamping the tire once, which can greatly reduce the cost of polishing.

[0015] 2. In this invention, by setting two conveyor belts and then setting an adaptive centering and straightening combination on the two conveyor belts, the tires will be centered and stabilized after being placed on the adaptive centering and straightening combination. When the conveyor belts are running, they can simultaneously drive two rows of tires through the grinding area, which can greatly improve the efficiency of laser grinding when grinding a large number of tire inner walls.

[0016] 3. In this invention, the adaptive centering and straightening assembly includes a bracket mechanism, which comprises a connecting frame, a clamping plate, a spring, a sliding sleeve, and a telescopic rod. This allows the tire to be adaptively centered and stably straightened when placed on the conveyor belt via the bracket mechanism, while also being clamped. By setting a rotatable bearing sleeve, the belt polishing transmission carrying the laser grinder can revolve within the tire. This static tire polishing method can effectively avoid the problems of under-polishing and over-polishing of the tire, thus improving the polishing quality. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of a laser polishing device for housing parts proposed in this invention; Figure 2 for Figure 1 A magnified diagram of the central "a"; Figure 3This is a schematic diagram of the structure of a lifting column, belt polishing transmission, laser polisher, transmission beam, bearing sleeve and cantilever connection for a laser polishing device for shell parts proposed in this invention; Figure 4 for Figure 3 A diagram at the bottom; Figure 5 for Figure 3 Rear view.

[0018] Legend: 1. Laser grinder; 2. Conveying mechanism; 21. Conveyor belt; 211. Support platform; 2111. Limiting tube; 22. Bracket mechanism; 221. Connecting frame; 2211. Baffle; 22111. Sliding shaft; 221111. Rod shaft; 2212. Positioning shaft; 222. Clamping plate; 223. Telescopic rod; 224. Sliding sleeve; 225. Spring; 3. Lifting column; 4. Belt polishing drive; 41. Drive belt; 42. Arc frame; 421. Support wheel; 43. 1. Drive shaft; 431. Drive wheel; 432. U-shaped frame; 5. Cantilever; 51. Connecting beam; 511. Positioning sleeve; 5111. Vertical plate; 5112. Horizontal plate; 512. Channel frame; 6. Bearing sleeve; 7. Drive beam; 8. Worm; 9. Worm wheel; 101. Drive shaft; 102. Rotating shaft; 103. Connecting ring; 1031. Drive thread sleeve; 104. Collar; 105. Turntable; 1051. Eccentric shaft; 106. Connecting rod; 107. Telescopic drive rod. Detailed Implementation

[0019] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] Example 1 Please see Figure 1-5 A laser polishing apparatus for housing parts includes a laser polisher 1 and a polishing production line, which is a production line for polishing a large number of tires in a row, and the production line can improve the processing efficiency of polishing a large number of tires.

[0021] The polishing production line includes a conveyor mechanism 2, a lifting column 3, and a belt polishing drive 4. The conveyor mechanism 2 includes two synchronously moving conveyor belts 21 and an adaptive centering and straightening assembly. The conveyor belts 21 can be synchronous belt structures, and the two conveyor belts 21 share a set of drive rollers, which are driven by a servo motor. Multiple equally spaced adaptive centering and straightening assemblies are connected to the outer periphery of the conveyor belts 21. These assemblies support the tires, ensuring they remain upright, centered, and stable as they move along the conveyor belts 21. When the two conveyor belts 21 operate synchronously, they can simultaneously transfer two tires from the adaptive centering and straightening assemblies to the laser polishing station.

[0022] Specifically, the adaptive centering and straightening combination includes two bracket mechanisms 22, with one tire corresponding to two bracket mechanisms 22. The two bracket mechanisms 22 are used to limit the front, rear, left and right positions of the tire, so that the tire is placed in a vertical, stable, and centered position on the conveyor belt 21. Moreover, when the tire is connected to the two bracket mechanisms 22, the two bracket mechanisms 22 will adaptively center and clamp the tire. Specifically, the bracket mechanism 22 includes a connecting frame 221, a clamping plate 222, a telescopic rod 223, a sliding sleeve 224, a spring 225, and a synchronous limiting assembly. The outer wall of the conveyor belt 21 is fixedly connected to a support platform 211 that is rotatably connected to the inner side of the connecting frame 221. The connection method between the connecting frame 221 and the conveyor belt 21 is similar to that of a seesaw. Two parallel baffles 2211 are fixedly connected to one end of the connecting frame 221. The two baffles 2211 and the connecting frame 221 can be an L-shaped structure. When the tire is placed above the two connecting frames 221 on the adaptive centering and straightening assembly, the two connecting frames 221 will be pressed downward. At this time, the two connecting frames 221 will drive the baffles 2211 to swing upward. The space between the two baffles 2211 is the tire limiting space. A sliding shaft 22111 near the bottom is fixedly connected between two baffles 2211. Two sliding sleeves 224 are fitted on the sliding shaft 22111. The two sliding sleeves 224 are rotatably connected to the tops of the two baffles 2211 via telescopic rods 223. Specifically, the telescopic rod 223 is a two-section telescopic structure. The top of the outer sleeve of the telescopic rod 223 is hinged to the top of the corresponding baffle 2211. The bottom of the inner sliding rod on the telescopic rod 223 is hinged to the top wall of the sliding sleeve 224. When the sliding sleeve 224 slides on the sliding shaft 22111, it will drive the corresponding telescopic rod 223 to extend and retract adaptively. A spring 225 is fitted on the sliding shaft 22111, located on the opposite side of the two sliding sleeves 224. The spring 225 keeps the two sliding sleeves 224 in a close position. In this close position, the telescopic rod 223 between the two baffles 2211 forms a V-shape, and the clamping plate 222... The back of the clamp plate 222 is rotatably connected to the telescopic rod 223, and a torsion spring is provided at the rotatable connection. Specifically, a connecting sleeve for the outer sleeve of the telescopic rod 223 is welded to the back of the clamp plate 222. The connecting sleeve and the outer sleeve are rotatably connected. A retaining ring is fixedly fitted on one end of the outer sleeve. The retaining ring and the outer sleeve are fixedly connected by a torsion spring. The above-mentioned rotatable and torsion spring configuration allows the clamp plate 222 to be in a nearly stationary state relative to the telescopic rod 223 (before clamping the tire). After clamping the tire, the front of the clamp plate 222 will be in contact with the outer sidewall of the tire. The middle part of the sliding shaft 22111 is movably connected to two sliding sleeves 224 through a synchronous limiting combination. The synchronous limiting combination makes the two sliding sleeves 224 on the same sliding shaft 22111 have the characteristics of synchronous opposite and reverse movement, thereby keeping the tire placed on the conveyor belt 21 in a centered state.The principle of adaptive clamping is that when clamping the tire, the tire is placed above the two adjacent connecting frames 221 and then lowered. The opposite ends of the two connecting frames 221 are squeezed by the tire. At this time, the baffles 2211 connected to the opposite ends of the two connecting frames 221 swing upward. The clamps 222 on the two telescopic rods 223 of the V-shaped structure will contact and squeeze the two sides of the tire. The sliding sleeves 224 connected to the two telescopic rods 223 move synchronously in opposite directions. The spring 225 is compressed and squeezed by the sliding sleeves 224. When the bottom of the tire contacts the top wall of the conveyor belt 21, the telescopic rods 223 will squeeze the two sides of the tire through the clamps 222. At this time, the tire is in a vertical, centered, and stable state.

[0023] Furthermore, the synchronous limiting assembly includes a turntable 105 and a connecting rod 106. The bottom center of the sliding shaft 22111 is fixedly connected to the rod shaft 221111, which is rotatably connected to the turntable 105. Specifically, the center of the turntable 105 has a connecting hole for rotatably connecting to the rod shaft 221111. Two centrally symmetrical eccentric shafts 1051 are fixedly connected to the surface of the turntable 105. The two eccentric shafts 1051 are respectively hinged to the outer walls of the connecting rod 106 and the two sliding sleeves 224. Specifically, the bottom of the sliding sleeve 224 is fixedly connected to a connecting shaft, and the two ends of the connecting rod 106 have round holes that are adapted to the rotation of the connecting shaft and the eccentric shaft 1051.

[0024] In this embodiment, the connecting frame 221 has a portal frame structure. A positioning shaft 2212 is fixedly connected between two parallel straight rods on the connecting frame 221. The positioning shaft 2212 is located away from the two baffles 2211. A limiting tube 2111, which is sleeved outside the positioning shaft 2212, is embedded in the support platform 211. The limiting tube 2111 is made of steel pipe and is rotatably connected to the positioning shaft 2212. The swing axis of the connecting frame 221 coincides with the positioning shaft 2212. The middle beam on the connecting frame 221 is an inwardly concave trapezoid. Structurally, due to its own weight, the bracket mechanism 22 above the conveyor belt 21 causes one end of the middle beam on the connecting frame 221 to be in an upward-curving state. The plane of the trapezoidal structure of the upward-curving middle beam is tilted. In this state, it is convenient for the tire and the connecting frame 221 to be centered and connected. Specifically, when the tire is lowered, it directly connects with the trapezoidal groove on the middle beam. Then, when the tire is lowered further, the bottom of the tire is guided by the trapezoidal groove. When the tire contacts the top wall of the conveyor belt 21, the tire and the relative conveyor belt 21 are centered.

[0025] The polishing production line includes a lifting column 3 and a belt polishing drive 4. The lifting column 3 is located between two conveyor belts 21, and its top moving end is fixedly connected to a cantilever 5. The cantilever 5 is horizontally set and parallel to the conveyor belts 21. The bottom of the lifting column 3 is fastened to the foundation flange with bolts. The lifting column 3 can be a servo electric push rod or a servo lifting cylinder. The lifting column 3 moves, driving the cantilever 5 to rise and fall. A bearing sleeve 6 is rotatably connected to the cantilever 5. The bearing sleeve 6 is horizontally distributed and perpendicular to the cantilever 5. The bearing sleeve 6 has transmission beams 7 fitted at both ends. Specifically, one bearing sleeve 6 corresponds to two transmission beams 7. One side of the transmission beam 7 is fixedly connected to the belt polishing drive machine 4 via a telescopic drive rod 107. The telescopic drive rod 107 is horizontal and parallel to the cantilever 5. The telescopic drive rod 107 is also a servo electric push rod. When the telescopic drive rod 107 moves, it can drive the belt polishing drive machine 4 to move back and forth. When the transmission beams 7 at both ends of the bearing sleeve 6 slide in the opposite direction, they can drive the corresponding belt polishing drive machines 4 to enter the two tires on the laser polishing station respectively. By controlling the lifting column 3 to raise and lower, the rotation axis of the transmission beam 7 can be adjusted to coincide with the tire axis. Then, by controlling the extension of the telescopic drive rod 107, the belt polishing drive machine 4 can be controlled to enter the inner cavity of the tire.

[0026] The belt polishing drive 4 includes a drive belt 41, which is horizontally positioned. Multiple laser polishers 1 are fixedly connected to the outer wall of the drive belt 41, distributed along the length of the belt. The drive belt 41 is also driven by a servo motor. When the drive belt 41 rotates, it drives the laser beams emitted by the laser polishers 1 to irradiate the inner circumferential wall and the inner side walls of the tire. When the drive belt 41 rotates, the position of the laser beams emitted by the laser polishers 1 changes. That is, the drive belt 41 itself does not rotate, and then the bearing sleeve 6 is controlled to rotate. At this time, the multiple laser polishers 1 inside the tire will revolve. At this time, the inner circumferential wall and the inner side walls of the tire will form corresponding polishing tracks. After this polishing track is completed, the drive belt 41 is controlled to move a distance, and another polishing track is formed inside the tire. This cycle can completely polish the inner circumferential wall and the inner side walls of the tire.

[0027] Specifically, the belt polishing drive 4 includes an arc-shaped frame 42 and a drive shaft 43. The outer arc surface of the arc-shaped frame 42 is in contact with the inner wall of the drive belt 41. The curvature of the outer arc surface of the arc-shaped frame 42 is close to the curvature of the inner circumferential wall of the tire. That is, the curvature of the outer arc surface of the arc-shaped frame 42 is equal to the average curvature of the inner circumferential wall of various tire specifications. Support rollers 421 are provided at both ends of the arc-shaped frame 42, abutting against the drive belt 41. A U-shaped frame 432 is fixedly connected to the back of the arc-shaped frame 42 and is fixedly connected to the actuating end of the telescopic drive rod 107. The non-operating end of the belt 41 is fixedly connected to one side of the transmission beam 7. A transmission shaft 43 is rotatably connected to the U-shaped frame 432. A servo motor is fixedly connected to the bottom of the U-shaped frame 432. The output shaft of the servo motor is fixedly connected to the transmission shaft 43. The servo motor provides driving force to the rotation of the transmission shaft 43. A transmission wheel 431 that abuts against the inner side of the transmission belt 41 is fixedly connected to one end of the transmission shaft 43. The transmission belt 41 is a synchronous belt structure. When the transmission wheel 431 rotates, it can drive the transmission belt 41 to rotate, which in turn can drive the laser polisher 1 on it to move.

[0028] The cantilever 5 is equipped with control combination one and control combination two, which are used to control the rotation of the bearing sleeve 6 and the sliding of the transmission beams 7 at both ends of the bearing sleeve 6, respectively.

[0029] Specifically, one end of the cantilever 5 is fixedly connected to two positioning sleeves 511 sleeved on the outside of the bearing sleeve 6 via two connecting beams 51. The positioning sleeves 511 and the bearing sleeve 6 are rotatably connected. The control assembly includes a worm 8 and a worm wheel 9. The worm wheel 9 is fixedly sleeved on the bearing sleeve 6 and located between the two positioning sleeves 511. A channel frame 512 is fixedly connected between the two connecting beams 51. The worm 8, which meshes with the worm wheel 9, is rotatably connected to the channel frame 512. When the worm 8 rotates, it can drive the worm wheel 9 to rotate, which in turn can drive the bearing sleeve 6 to rotate. In use, a servo motor 2 is fixedly installed on one side of the channel frame 512. The output shaft of the servo motor 2 is fixedly connected to one end of the worm 8. The servo motor 2 provides driving force to the rotation of the worm 8.

[0030] Furthermore, the control assembly 2 includes a drive shaft 101, a rotating shaft 102, a connecting ring 103, and a collar 104. Two collars 104 are respectively located on the opposite ends of the two positioning sleeves 511 and are axially slidably connected to the bearing sleeve 6. The transmission beams 7 at both ends of the bearing sleeve 6 are fixedly connected to the two collars 104. Specifically, guide holes are formed on the outer wall of the bearing sleeve 6, and a connecting plate fixedly connected to the transmission beams 7 is welded to the inner wall of the collar 104. A connecting ring 103 is fitted on the outer side of the collar 104, and the connecting ring 103 and the collar 104 are rotatably connected. A transmission thread sleeve 1031 is fixedly connected to the outer wall of the connecting ring 103 via a connecting arm. A horizontal plate 5112 is fixedly connected to the outer walls of the two positioning sleeves 511 via a vertical plate 5111. The rotating shaft 102 and... The upright plate 5111 is rotatably connected and sleeved on the transmission thread sleeve 1031. The rotating shaft 102 is screwed into the transmission thread sleeve 1031. The rotating shaft 102 has two threads with different directions of rotation, which are screwed into the two transmission thread sleeves 1031 respectively. When the rotating shaft 102 rotates, it will drive the two transmission thread sleeves 1031 to move synchronously in different directions. In turn, it can drive the two transmission beams 7 to move synchronously in different directions through the collar 104. The drive shaft 101 is rotatably connected to the horizontal plate 5112 and one end of it is fixedly connected to the active bevel gear. The rotating shaft 102 is fixedly sleeved with a passive bevel gear that meshes with the active bevel gear. The top of the horizontal plate 5112 is fixedly connected to the servo motor 3. The output shaft of the servo motor 3 is fixedly connected to the drive shaft 101. The servo motor 3 provides driving force to the rotation of the drive shaft 101.

[0031] A method for laser polishing of housing parts includes the following steps: Step 1: Place multiple tires on the adaptive centering and straightening assembly on the two conveyor belts 21. Then, use a stick to tap the sides of the tires on the adaptive centering and straightening assembly 2-3 times on each side. When the tires are elastically clamped by the two clamps 222, there will be stress between the tires and the clamps 222 due to the elastic properties of the tires. This stress may cause the tires to tilt. Tap the tires to release the stress and make the tires stand upright. Step 2: Control the operation of the conveyor belt 21 at a speed of 0.5-0.8 m / s. This speed allows the tire to move smoothly along the conveyor belt 21. The conveyor belt 21 carries the first tire to one end of the transmission beam 7 and then stops. Step 3: Control the lifting column 3 to rise and fall, and adjust the bearing sleeve 6 and the tire to be in a coaxial state according to the tire specifications; Step 4: Control the transmission beams 7 at both ends of the bearing sleeve 6 to move outward until the two belt polishing transmission machines 4 enter the two tires respectively. Then control the telescopic drive rod 107 to extend and drive the belt polishing transmission machine 4 into the inner cavity of the tire. Step 5: Control the transmission belt 41 to rotate so that the multiple laser polishers 1 on it are respectively aligned with the inner peripheral wall and the two opposite side walls of the tire. Specifically, some of the laser polishers 1 are aligned with the inner peripheral wall of the tire, and the other part is aligned with the two side walls of the tire. Step 6: According to the tire specifications, adjust the power of each laser polisher 1 by adjusting the controller electrically connected to each laser polisher 1, and set the revolution speed of laser polisher 1 according to the power; wherein, the revolution speed of laser polisher 1 is controlled within the range of 0.4-0.8 rpm; Step 7: Start the laser polisher 1, then control the bearing sleeve 6 to rotate, the belt polishing drive 4 to revolve and drive multiple laser polishers to simultaneously polish the inner circumference and inner side walls of the tire. When each round of polishing is completed, control the drive belt 41 to move the laser polisher 1 on it to one polishing position.

[0032] Working principle of the laser polishing device: The tire is lifted and placed above the two adjacent connecting frames 221 using a lifting tool. The bottom of the tire is aligned with the trapezoidal groove on the connecting frame 221. Then the tire is lowered, and the tire presses against the adjacent connecting frames 221. The opposite ends of the two connecting frames 221 are pushed down and swing down. The connecting frame 221 rotates, causing the two clamping plates 222 between the two baffles 2211 to swing up. The two clamping plates 222 are pressed against the two sides of the tire after contact. At this time, the two elastic telescopic rods 223 swing outward, and the included angle between them decreases. The spring 225 is compressed by the sliding sleeve 224. During this process, the connecting rod 106 is pulled. Under the restriction of the turntable 105, the two sliding sleeves 224 will move synchronously in opposite directions. When the bottom of the tire contacts the top wall of the conveyor belt 21, the tire is clamped by the four clamping plates 222. The above method is used for other adaptive centering and straightening combination docking. After the tires are loaded, the conveyor mechanism 2 is started, and the conveyor belt 21 moves the two foremost tires to the laser polishing station. At this time, the drive shaft 101 is controlled to rotate, and the rotating shaft 102 rotates under the meshing of the active bevel gear and the passive bevel gear. Under the transmission of the transmission sleeve 1031, the two connecting rings 103 drive the transmission beam 7 to slide outward relative to the bearing sleeve 6 through the collar 104, so that the belt polishing drive machine 4 enters the corresponding tire. The belt polishing drive machine 4 is controlled to enter the inner ring groove of the tire by the telescopic drive rod 107. At this time, the transmission belt... The laser polisher 1 on 41 is positioned opposite the inner circumferential wall and the inner side walls of the tire. The laser polisher 1 is started, and finally the worm gear 8 is controlled to rotate. Under the transmission of the worm wheel 9, the bearing sleeve 6 drives the belt polishing transmission 4 to revolve inside the tire. The laser polisher 1 performs circumferential polishing on the tire. The inner wall of the tire is fully polished according to step seven in the polishing method. After the current tire is polished, the belt polishing transmission 4 is controlled to reset. Then the conveyor belt 21 is controlled to move so that the next two tires move to the laser polishing station. Then the laser polishing is performed according to the above operation.

[0033] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A laser polishing apparatus for housing parts, comprising a laser polisher (1) and a polishing production line, characterized in that, The polishing production line includes a conveying mechanism (2), a lifting column (3), and a belt polishing transmission machine (4). The conveying mechanism (2) includes two synchronously moving conveyor belts (21) and an adaptive centering and straightening combination. Multiple adaptive centering and straightening combinations are connected to the outer periphery of the conveyor belts (21). The lifting column (3) is located between the two conveyor belts (21) and its top moving end is fixedly connected to a cantilever (5). A bearing sleeve (6) is rotatably connected to the cantilever (5). Transmission beams (7) are sleeved on both ends of the bearing sleeve (6). One side of the transmission beam (7) is fixedly connected to the belt polishing transmission machine (4) through a telescopic drive rod (107). The belt polishing transmission machine (4) includes a transmission belt (41). Multiple laser polishers (1) distributed along the length of the belt are fixedly connected to the outer wall of the transmission belt (41). Control combination one and control combination two are provided on the cantilever (5) for controlling the rotation of the bearing sleeve (6) and the sliding of the transmission beams (7) at both ends of the bearing sleeve (6).

2. The laser polishing device for housing parts according to claim 1, characterized in that, The adaptive centering and straightening assembly includes two bracket mechanisms (22). Each bracket mechanism (22) includes a connecting frame (221), a clamping plate (222), a telescopic rod (223), a sliding sleeve (224), a spring (225), and a synchronous limiting assembly. The outer wall of the conveyor belt (21) is fixedly connected to a support platform (211) that is rotatably connected to the inner side of the connecting frame (221). Two parallel baffles (2211) are fixedly connected to one end of the connecting frame (221), and a sliding shaft near the bottom is fixedly connected between the two baffles (2211). (22111), two sliding sleeves (224) are fitted on the sliding shaft (22111). The two sliding sleeves (224) are rotatably connected to the top of the telescopic rod (223) and the two baffles (2211) respectively. A spring (225) is fitted on the sliding shaft (22111) located on the opposite side of the two sliding sleeves (224). The back of the clamp (222) is rotatably connected to the telescopic rod (223) and a torsion spring is provided at the rotatable connection. The middle part of the sliding shaft (22111) is movably connected to the two sliding sleeves (224) through a synchronous limiting combination.

3. The laser polishing device for housing parts according to claim 2, characterized in that, The connecting frame (221) is a portal frame structure. A positioning shaft (2212) is fixedly connected between two parallel straight rods on the connecting frame (221). A limiting tube (2111) is embedded in the support platform (211) and sleeved outside the positioning shaft (2212). The limiting tube (2111) and the positioning shaft (2212) are rotatably connected. The middle beam on the connecting frame (221) is an inwardly recessed trapezoidal structure.

4. The laser polishing device for housing parts according to claim 2, characterized in that, The synchronous limiting assembly includes a turntable (105) and a connecting rod (106). The bottom center of the sliding shaft (22111) is fixedly connected to the rod shaft (221111) which is rotatably connected to the turntable (105). Two centrally symmetrical eccentric shafts (1051) are fixedly connected to the surface of the turntable (105). The two eccentric shafts (1051) are respectively hinged to the outer walls of the connecting rod (106) and the two sliding sleeves (224).

5. The laser polishing device for housing parts according to claim 1, characterized in that, One end of the cantilever (5) is fixedly connected to two positioning sleeves (511) sleeved on the outside of the bearing sleeve (6) by two connecting beams (51). The positioning sleeves (511) and the bearing sleeve (6) are rotatably connected. The control assembly includes a worm (8) and a worm wheel (9). The worm wheel (9) is fixedly sleeved on the bearing sleeve (6) and located between the two positioning sleeves (511). A slotted frame (512) is fixedly connected between the two connecting beams (51). The worm (8) meshing with the worm wheel (9) is rotatably connected on the slotted frame (512).

6. The laser polishing device for housing parts according to claim 5, characterized in that, The control assembly 2 includes a drive shaft (101), a rotating shaft (102), a connecting ring (103), and a collar (104). Two collars (104) are respectively fitted onto the outer side of the bearing sleeve (6) on the opposite ends of the two positioning sleeves (511). The collars (104) and the bearing sleeve (6) are axially slidably connected. The transmission beams (7) at both ends of the bearing sleeve (6) are fixedly connected to the two collars (104). A connecting ring (103) is fitted onto the outer side of the collar (104), and the two are rotatably connected. The outer wall of the connecting ring (103) is connected via a connecting... The arm is fixedly connected to a transmission sleeve (1031). The outer walls of the two positioning sleeves (511) are fixedly connected to a horizontal plate (5112) via a vertical plate (5111). The rotating shaft (102) is rotatably connected to the vertical plate (5111) and sleeved on the transmission sleeve (1031). The rotating shaft (102) and the transmission sleeve (1031) are screwed together. The drive shaft (101) is rotatably connected to the horizontal plate (5112) and one end of it is fixedly connected to an active bevel gear. A passive bevel gear that meshes with the active bevel gear is fixedly sleeved on the rotating shaft (102).

7. The laser polishing device for housing parts according to claim 1, characterized in that, The belt polishing transmission machine (4) includes an arc frame (42) and a transmission shaft (43). The arc frame (42) has support wheels (421) at both ends that abut against the transmission belt (41). The back of the arc frame (42) is fixedly connected to a U-shaped frame (432) that is fixedly connected to the actuating end of the telescopic drive rod (107). The transmission shaft (43) is rotatably connected to the U-shaped frame (432). One end of the transmission shaft (43) is fixedly connected to a transmission wheel (431) that abuts against the inner side of the transmission belt (41).

8. A method for laser polishing of housing parts, the method being based on the laser polishing apparatus for housing parts as described in claim 1, characterized in that, Includes the following steps: Step 1: Place multiple tires on the adaptive centering and straightening assembly on two conveyor belts (21) in advance, and then use a stick to tap the sides of the tires on the adaptive centering and straightening assembly 2-3 times on each side. Step 2: Control the operation of the conveyor belt (21) at a speed of 0.5-0.8 m / s. The conveyor belt (21) carries the first tire to one end of the transmission beam (7) and then stops. Step 3: Control the lifting column (3) to lift and lower, and adjust the bearing sleeve (6) and the tire to be in a coaxial state according to the tire specifications; Step 4: Control the transmission beams (7) at both ends of the bearing sleeve (6) to move outwards until the two belt polishing transmissions (4) enter the two tires respectively, and then control the telescopic drive rod (107) to extend and drive the belt polishing transmissions (4) into the inner cavity of the tires; Step 5: Control the operation of the transmission belt (41) so that the multiple laser polishers (1) on it are respectively opposite to the inner peripheral wall and the two opposite side walls of the tire; Step 6: Adjust the power of each laser polisher (1) according to the tire specifications and the controller electrically connected to each laser polisher. Set the revolution speed of the laser polisher (1) according to the power. Step 7: Start the laser polisher (1), then control the bearing sleeve (6) to rotate, the belt polishing drive (4) revolves and drives multiple laser polishers to simultaneously polish the inner circumference wall and the inner two side walls of the tire. When each round of polishing is completed, control the drive belt (41) to move the laser polisher (1) on it to one polishing station.

9. A method for laser polishing of housing parts according to claim 8, characterized in that, In step six, the speed of the laser polisher (1) is controlled within the range of 0.4-0.8 rpm.

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