Grinding wheel dressing device

By precisely controlling the duration of laser irradiation on the grinding wheel and adjusting the wheel speed using a split disc, the problems of low dressing accuracy and excessive dressing amount in laser dressing of grinding wheels are solved, achieving high-precision grinding wheel dressing.

CN117182778BActive Publication Date: 2025-12-30HUNAN JULI INTELLIGENT EQUIP CO LTD
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Patent Information

Application Number
CN202311384413.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-10-24
Publication Date
2025-12-30
Estimated Expiration
2043-10-24

AI Technical Summary

Technical Problem

Existing laser dressing wheels have problems with low dressing accuracy and excessive dressing amount.

Method used

The laser irradiation time on the grinding wheel is precisely controlled by using a split disc. Combined with the adjustable grinding wheel speed, the friction between the split disc and the grinding surface removes the debris generated by laser ablation, thus avoiding over-ablation of the notch.

Benefits of technology

It improves the dressing accuracy of the grinding wheel, avoids excessive burning of the grinding surface and the chipping, and extends the service life of the grinding wheel.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a grinding wheel dressing device, which comprises a rack, a mounting shaft and a rotating tube mounted on the rack, the mounting shaft is used for mounting a grinding wheel, the mounting shaft and the rotating tube are parallel to each other, the mounting shaft is in transmission connection with a rotating motor, and the grinding wheel is driven to rotate around the mounting shaft by the rotating motor. The grinding wheel dressing device adopts a light splitting disc to accurately control the time length of laser irradiation on the polishing surface of the grinding wheel, so that the polishing surface is prevented from being excessively ablated, the rotating speed of the grinding wheel is adjustable, the light splitting disc can be used to realize that the opening avoids laser irradiation according to needs, the opening is prevented from being excessively ablated, and the problem that the dressing amount of the laser dressing grinding wheel is large is solved. The grinding wheel dressing device adopts the light splitting disc to be in friction contact with the polishing surface to remove the particles generated after laser ablation, and the dressing precision of the grinding wheel is improved.
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Description

Technical Field

[0001] This invention relates to the field of grinding wheel preparation, and in particular to a grinding wheel dressing device. Background Technology

[0002] Currently, the dressing of grinding wheels is mostly done by turning the grinding surface of the grinding wheel with dressing tools (such as diamond pens). This dressing method is simple and convenient to operate, but the dressing tools wear out quickly, the dressing time is long, the efficiency is low, and the dressing accuracy of the grinding surface is not high.

[0003] Based on the above problems, the industry has developed a variety of new grinding wheel dressing methods in recent years, such as laser dressing technology and ultrasonic dressing technology. Laser dressing of grinding wheels is a dressing technology that uses laser to irradiate the grinding surface of the grinding wheel, causing the abrasive binder on the grinding surface to melt. The advantages of this dressing method are fast dressing speed, short time consumption, and high efficiency. However, its disadvantages are also very obvious. The tiny particles generated after the grinding surface is dressed by laser are not easy to detach from the grinding surface on their own, affecting the dressing accuracy.

[0004] Furthermore, to avoid frequent laser malfunctions that shorten its lifespan, the laser is not designed to control the ablation time through frequent power-on and power-off cycles. The laser will irradiate the grinding surface for an extended period; therefore, the ablation time can only be controlled by adjusting the rotation of the grinding wheel or the laser's rotation around the wheel. This prevents excessive ablation of the grinding surface and reduces the wheel's strength, as indicated in the instruction manual. Figure 9 As shown, the grinding surface one of the grinding wheel has a notch. When dressing the grinding wheel, the notch needs to be removed, that is, the grinding surface two is used as the grinding working surface of the dressed grinding wheel. Existing laser dressing devices directly use a laser to irradiate the grinding surface one, causing it to ablate to the grinding surface two to complete the dressing. In order to prevent over-ablation of a certain part of the grinding surface, the grinding wheel will rotate at a constant speed, or the grinding wheel will be fixed and the laser will rotate around the grinding wheel at a constant speed. This seems to solve the problem of over-ablation of the grinding surface. However, in reality, there will be over-ablation at the notch. The dressed grinding wheel has the problem of low strength in the area near the notch on the grinding surface two. Therefore, it is necessary to further dress the grinding wheel and use the grinding surface three as the actual grinding working surface of the dressed grinding wheel. Therefore, laser dressing of grinding wheels generally has the problem of excessive dressing amount. The diameter of the dressed grinding wheel is smaller, which shortens the remaining service life of the grinding wheel.

[0005] Ultrasonic dressing technology uses ultrasonic waves to drive a dressing tool to vibrate at high frequency to dress the grinding surface of the grinding wheel. It has high dressing accuracy, but ultrasonic dressing requires the use of a dressing tool, so the dressing tool still wears out quickly, and the energy consumption is relatively high.

[0006] Based on the numerous shortcomings of the aforementioned grinding wheel dressing methods, the inventors designed a novel laser grinding wheel dressing device that overcomes the shortcomings of each method while combining their advantages. Summary of the Invention

[0007] The main objective of this invention is to propose a grinding wheel dressing device that aims to solve the problems of low dressing accuracy and excessive dressing amount in current laser dressing of grinding wheels.

[0008] To solve the above problems, the present invention proposes a grinding wheel dressing device, including a frame and a mounting shaft and a rotating tube mounted on the frame. The mounting shaft is used to mount the grinding wheel. The mounting shaft and the rotating tube are parallel to each other. The mounting shaft is connected to a rotary motor for transmission, and the rotary motor drives the grinding wheel to rotate around the mounting shaft.

[0009] One end of the rotating tube is coaxially and fixedly connected to the splitting disc. The splitting disc is provided with a plurality of light-transmitting holes and a laser reflector 1 arranged symmetrically around the rotating tube. The laser reflector 1 is located between two adjacent light-transmitting holes. A laser and a laser reflector 2 are provided inside the splitting disc. A fixed shaft is provided through the rotating tube. The fixed shaft is fixed and does not rotate. It is fixedly connected to the laser and the laser reflector 2. The rotating tube is driven by a drive motor. The drive motor drives the splitting disc to rotate, so that the laser emitted by the laser is emitted from each light-transmitting hole in sequence. The laser reflector 1 reflects the laser emitted by the laser to the laser reflector 2. The laser reflector 2 reflects the laser out of the splitting disc.

[0010] The optical disc is tangent to the grinding surface of the grinding wheel. The laser emitted from the light-transmitting hole irradiates the grinding surface and ablates it. The resulting particles are rubbed away by the optical disc.

[0011] In one embodiment, the frame is provided with a slide groove, an elongated slide hole one, an elongated slide hole two, and a linear motor. The elongated slide hole one and the elongated slide hole two are parallel and both communicate with the slide groove. The length direction of the elongated slide hole one and the elongated slide hole two is parallel to the extension direction of the slide groove.

[0012] A sliding box is slidably installed in the sliding groove. A box cover is detachably fixed on the side of the sliding box away from the optical disc. The box cover is connected to a push-pull device. The push-pull device drives the sliding box to slide along the sliding groove. The sliding box is equipped with the drive motor. The other end of the rotating tube extends into the sliding box and is connected to the drive motor for transmission.

[0013] The sliding box is provided with a threading hole. During the sliding process of the sliding box along the sliding groove, the threading hole is always connected with the elongated sliding hole II.

[0014] One end of the fixed shaft extends into the optical disc and is fixedly connected to the laser and the laser reflector, while the other end passes through the rotating tube and extends into the sliding box and is fixedly connected to the box cover.

[0015] The sliding box slides along the groove to adjust the distance between the disc and the grinding wheel.

[0016] In one embodiment, the rotational speed of the rotary motor and the drive motor is adjustable.

[0017] In one embodiment, the laser projection irradiated onto the polishing surface is rectangular, and the length of the long side of the rectangle is equal to the width of the polishing surface;

[0018] The long sides of the two rectangular laser projections formed on the polished surface by lasers emitted from two adjacent light-transmitting holes are collinear.

[0019] In one embodiment, the rectangular laser projection ablates rectangular fragmented areas of equal area on the polishing surface, and the rectangular fragmented areas disappear after frictional contact with the area between two adjacent light-transmitting holes on the outer circumference of the disc.

[0020] In one embodiment, the optical splitter includes a splitting ring and a baffle fixed to one end of the splitting ring. The baffle is fixedly connected to a rotating tube, and the rotating tube is coaxial with the splitting ring.

[0021] Multiple light-transmitting holes and a laser reflector are disposed on the inner circumferential surface of the beam splitter ring. The outer circumferential surface of the beam splitter ring is tangent to the grinding surface of the grinding wheel, and the debris generated by ablation is rubbed away by the outer circumferential surface of the beam splitter ring.

[0022] In one embodiment, the laser emits laser light radially along the beam splitter ring, the laser light reflected by the first laser reflector is parallel to the baffle, and the laser light reflected by the second laser reflector is emitted from the beam splitter ring in a direction parallel to the axis of the beam splitter ring and away from the baffle.

[0023] In one embodiment, the grinding wheel dressing device further includes a chassis and an air pump. The frame is fixed to the upper surface of the chassis, and the upper surface of the chassis is provided with a second through hole. After the particles rub against the outer circumferential surface of the beam splitter, dust-laden gas is generated. The air pump is used to extract the gas inside the chassis, thereby driving the dust-laden gas into the chassis through the second through hole. A pair of electric field plates are provided inside the chassis, and an electric field is formed between the pair of electric field plates. A third laser reflector is provided above the chassis. The laser emitted from the beam splitter is reflected by the third laser reflector and enters the chassis through the second through hole, irradiating the dust-laden gas in the electric field.

[0024] In one embodiment, the chassis has a door, and a partition is provided inside the chassis to divide the chassis into a storage area, a dust removal area, and an installation area. The electric field plate is located in the dust removal area, and the second through hole communicates with the dust removal area.

[0025] The air pump is located in the installation area, and the air pump is equipped with an air extraction pipe that connects to the dust removal area. The chassis is equipped with an exhaust window that connects to the installation area.

[0026] In one embodiment, the chassis is provided with a through hole, and a water tank is attached to the outer wall of the chassis with the through hole. The laser entering the chassis passes through the electric field and the through hole in sequence before irradiating the water tank.

[0027] Beneficial effects: The grinding wheel dressing device of the present invention uses a split disc to precisely control the duration of laser irradiation on the grinding surface of the grinding wheel, avoiding excessive ablation of the grinding surface. Moreover, the grinding wheel speed is adjustable. With the split disc, the notch can be avoided from laser irradiation as needed, avoiding excessive ablation of the notch, thus solving the problem of excessive dressing amount in laser dressing of grinding wheels.

[0028] The grinding wheel dressing device of the present invention uses the frictional contact between the split disc and the grinding surface to remove the debris generated after laser ablation, thereby improving the dressing accuracy of the grinding wheel. Attached Figure Description

[0029] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0030] Figure 1 This is a schematic diagram of the structure of a grinding wheel dressing device according to the present invention. Figure 1 ;

[0031] Figure 2 This is a schematic diagram of the structure of a grinding wheel dressing device according to the present invention. Figure 2 ;

[0032] Figure 3 This is a schematic diagram of the structure of the grinding wheel dressing device of the present invention after the box door is removed;

[0033] Figure 4 yes Figure 3 A diagram showing the water tank after it has been removed;

[0034] Figure 5 yes Figure 4 A schematic diagram of the middle frame after removing the push-pull device;

[0035] Figure 6 yes Figure 5 A diagram showing the box after the lid has been removed;

[0036] Figure 7 This is a diagram of the internal structure of the sliding box;

[0037] Figure 8 This is a schematic diagram of the laser path into the chassis;

[0038] Figure 9 This is a schematic diagram of the operation of a grinding wheel dressing device according to the present invention.

[0039] The annotations in the attached figures are explained as follows:

[0040] 1. Chassis; 2. Cabinet door; 3. Water tank; 4. Exhaust vent; 5. Partition; 6. Storage area; 7. Dust removal area; 8. Installation area; 9. Air pump; 10. Through hole one; 11. Electric field plate; 12. Through hole two; 13. Frame; 14. Rotary motor; 15. Mounting shaft; 16. Grinding wheel; 17. Fastening ring; 18. Slide groove; 19. Long strip sliding hole one; 20. Rotating tube; 21. Dividing disc; 211. Dividing ring; 212. Baffle; 2 2. Light-transmitting hole; 23. Laser reflector one; 24. Fixed shaft; 25. Laser; 26. Laser reflector two; 27. Sliding box; 28. Drive motor; 29. ​​Pulley; 30. Transmission belt; 31. Threading hole; 32. Long strip sliding hole two; 33. Box cover; 34. Push-pull device; 35. Mounting bracket; 36. Laser reflector three; 37. Air extraction pipe; 38. Notch; 39. Polished surface two; 40. Polished surface three; 41. Polished surface one. Detailed Implementation

[0041] 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 a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0042] It should be noted that if the embodiments of the present invention involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.

[0043] In this invention, unless otherwise explicitly specified and limited, the terms "connection," "fixed," etc., should be interpreted broadly. For example, "fixed" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0044] Furthermore, if the embodiments of this invention involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the meaning of "and / or" throughout the text includes three parallel solutions; for example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this invention.

[0045] This invention proposes a grinding wheel dressing device. This device uses a split disc 21 to precisely control the duration of laser irradiation on the grinding surface of the grinding wheel 16, avoiding excessive ablation of the grinding surface. Moreover, the rotation speed of the grinding wheel 16 is adjustable. With the split disc 21, the notch 38 can be made to avoid laser irradiation as needed, preventing excessive ablation of the notch 38. This solves the problem of excessive dressing amount in laser dressing of the grinding wheel 16. In addition, the grinding wheel dressing device of this invention uses the split disc 21 to make frictional contact with the grinding surface to remove the debris generated after laser ablation, improving the dressing accuracy of the grinding wheel 16.

[0046] Specifically, in one embodiment of the invention, such as Figures 1-4 As shown, the grinding wheel dressing device includes a frame 13 and a mounting shaft 15 and a rotating tube 20 mounted on the frame 13. The mounting shaft 15 is used to mount the grinding wheel 16. The mounting shaft 15 and the rotating tube 20 are parallel to each other. The mounting shaft 15 is connected to a rotary motor 14 for transmission. The rotary motor 14 drives the grinding wheel 16 to rotate around the mounting shaft 15. The rotary motor 14 is fixedly connected to the frame 13.

[0047] Preferably, the rotary motor 14 is a servo motor. This design facilitates precise and rapid adjustment of the rotation speed of the grinding wheel 16. The servo motor has a fast speed adjustment response and precise action.

[0048] Furthermore, to facilitate the assembly and disassembly of the grinding wheel 16, such as... Figures 1-4 As shown, a fastening ring 17 is detachably and fixedly installed on the mounting shaft 15. The grinding wheel 16 is fixedly installed on the mounting shaft 15 by means of the fastening ring 17. Preferably, the fastening ring 17 is threadedly connected to the mounting shaft 15.

[0049] In this embodiment, as Figure 1 and Figure 3 As shown, one end of the rotating tube 20 is coaxially and fixedly connected to the splitting disc 21, as... Figures 1-3As shown, the beam splitter 21 includes a beam splitting ring 211 and a baffle 212 fixed to one end of the beam splitting ring 211. The baffle 212 seals that end of the beam splitting ring 211. Preferably, the baffle 212 is circular and is coaxially and fixedly connected to the rotating tube 20. The rotating tube 20 is coaxial with the beam splitting ring 211. This design allows the beam splitting ring 211 to rotate smoothly by the rotating tube 20. Multiple light-transmitting holes 22 and laser reflectors 23 are arranged symmetrically around the rotating tube 20 on the inner circumference of the beam splitting ring 211. The laser reflectors 23 are located between two adjacent light-transmitting holes 22, and the walls of the light-transmitting holes 22 extend radially along the beam splitting ring 211. A laser is installed inside the beam splitter 21. The rotating tube 20 is equipped with a fixed shaft 24 that runs through it. The fixed shaft 24 is fixed and does not rotate. One end of the fixed shaft 24 extends into the splitting disc 21 and is fixedly connected to the laser 25 and the second laser reflector 26. The rotating tube 20 is connected to the drive motor 28. The drive motor 28 drives the splitting disc 21 to rotate, so that the laser emitted by the laser 25 is emitted out from each light-transmitting hole 22 in sequence. The first laser reflector 23 reflects the laser emitted by the laser 25 onto the second laser reflector 26. The second laser reflector 26 reflects the laser out of the splitting disc 21, preventing the laser from shining on the splitting ring 211 and the baffle 212 and burning them, thus ensuring the safety of the splitting disc 21.

[0050] Preferably, the laser 25 emits laser light along the radial direction of the beam splitter ring 211. This design can prevent the laser light from irradiating the hole wall of the light-transmitting hole 22 and ablating the beam splitter ring 211, thus protecting the safety of the beam splitter ring 211.

[0051] In this embodiment, as Figures 1-3 As shown, the outer circumferential surface of the beam splitter ring 211 is tangent to the grinding surface of the grinding wheel 16. The laser emitted from the light-transmitting hole 22 irradiates the grinding surface and ablates it. The resulting particles are rubbed away by the outer circumferential surface of the beam splitter ring 211. Specifically, as shown... Figure 9 As shown, the optical ring 211 and the grinding wheel 16 are arranged in... Figure 9 Rotating in the direction indicated by the arc-shaped arrow, the laser emitted by the laser 25 passes through the light-transmitting hole 22 and irradiates the grinding surface. The projection of the laser on the grinding surface is rectangular, and the length of the long side of the rectangle is equal to the width of the grinding surface. The rectangular laser projection ablates a rectangular particle area with the same area on the grinding surface. Then, the grinding wheel 16 rotates, causing the rectangular particle area to come into frictional contact with the area between two adjacent light-transmitting holes 22 on the outer circumference of the beam splitting ring 211. With the help of the friction on the outer circumference of the beam splitting ring 211, the rectangular particle area is smoothed and eliminated. The particles are ground into powder and fall off the outer circumference of the beam splitting ring 211, which improves the dressing accuracy and dressing quality of the grinding surface of the grinding wheel 16.

[0052] In this embodiment, the rotational speeds of the rotary motor 14 and the drive motor 28 are adjustable. The adjustable speed of the rotary motor 14 facilitates timely adjustment of the grinding wheel 16's speed before the laser beam exits the light-transmitting hole 22, preventing the notch 38 from being irradiated by the laser and avoiding excessive ablation of the notch 38. Figure 9 As shown, the rotating beam splitter ring 211 will block the laser for a period of time, preventing it from irradiating the grinding surface. During this period, the rotation speed of the grinding wheel 16 can be flexibly adjusted according to the position of the notch 38 to avoid laser irradiation and prevent the laser from irradiating the notch 38 when it re-emits from the light-transmitting hole 22. With this design, the time that the notch 38 is irradiated by the laser can be controlled as needed. Once the laser irradiation time of the notch 38 reaches the set value, in order to prevent the notch 38 from being over-ablated by the laser irradiation, the rotation speed of the grinding wheel 16 can be flexibly adjusted according to the position of the notch 38 to avoid laser irradiation and prevent the laser from irradiating the notch 38 when it re-emits from the light-transmitting hole 22. This solves the problem of excessive dressing amount in laser dressing grinding wheel 16. Grinding surface 2 39 can be used as the actual grinding working surface of the dressed grinding wheel 16.

[0053] The adjustable speed of the drive motor 28 allows for easy adjustment of the laser irradiation time, i.e., the ablation time, of the grinding surface of the grinding wheel 16 as needed, making it suitable for the dressing requirements of grinding wheels 16 of different materials and models. The drive motor 28 controls the rotation of the beam splitter ring 211 to precisely control the duration of laser irradiation on the grinding surface of the grinding wheel 16, avoiding excessive ablation of the grinding surface and ensuring dressing quality and accuracy.

[0054] In this embodiment, the long sides of the two rectangular laser projections formed on the grinding surface by the laser emitted from the two adjacent light-transmitting holes 22 are collinear. This design allows for step-by-step ablation and finishing along the circumference of the grinding surface, avoiding both missed un-ablated areas and over-ablation due to overlapping ablation areas. This fully guarantees the quality of ablation and finishing, resulting in a high level of finishing accuracy and quality of the grinding surface of the grinding wheel 16. To achieve the technical effect of the long sides of the two rectangular laser projections formed on the grinding surface by the laser emitted from the two adjacent light-transmitting holes 22 being collinear, it is only necessary to control the rotation speeds of the rotary motor 14 and the drive motor 28 to be matched. The operation is simple and convenient. By using conventional technology to set up angle sensors or speed sensors on the rotary motor 14 and the drive motor 28 to obtain their rotation speed / angle, the rotation speeds of the rotary motor 14 and the drive motor 28 can be precisely controlled to meet the requirement that the long sides of the two rectangular laser projections formed on the grinding surface by the laser emitted from the two adjacent light-transmitting holes 22 are collinear.

[0055] Furthermore, in this embodiment, as Figure 1 , Figures 4-7As shown, the frame 13 is provided with a slide groove 18, an elongated sliding hole 19, an elongated sliding hole 32, and a linear motor. The elongated sliding hole 19 and the elongated sliding hole 32 are parallel and both communicate with the slide groove 18. The length direction of the elongated sliding hole 19 and the elongated sliding hole 32 is parallel to the extension direction of the slide groove 18. The slide groove 18 and the linear motor are located on the back of the frame 13, the elongated sliding hole 19 is located on the front of the frame 13, and the elongated sliding hole 32 is located on the lower surface of the frame 13. The slide groove 18 contains... A sliding box 27 is slidably installed. A cover 33 is detachably fixed to the side of the sliding box 27 opposite to the split disc 21. The cover 33 is connected to a push-pull device 34. The push-pull device 34 drives the sliding box 27 to slide along the slide groove 18. Commonly, the push-pull device 34 is a linear motor, cylinder, or hydraulic cylinder. A drive motor 28 is installed inside the sliding box 27. The other end of the rotating tube 20 extends into the sliding box 27 and is connected to the drive motor 28. The specific transmission connection can be a common transmission form such as gear transmission or belt transmission. Figure 6 and Figure 7 The diagram shows that pulleys 29 are fixedly mounted on both the end of the rotating tube 20 that extends into the sliding box 27 and the output shaft of the drive motor 28. The two pulleys 29 are connected by a transmission belt 30. The sliding box 27 is provided with a wire-passing hole 31. During the sliding of the sliding box 27 along the sliding groove 18, the wire-passing hole 31 remains in communication with the elongated sliding hole 32. This design facilitates the wires connecting to the drive motor 28 to extend out of the sliding groove 18 through the wire-passing hole 31 and the elongated sliding hole 32, while ensuring that the wires do not affect the sliding of the sliding box 27. One end of the fixed shaft 24 extends into the disc 21 and is fixedly connected to the laser 25 and the laser reflector 26. The other end passes through the rotating tube 20 and extends into the sliding box 27 and is fixedly connected to the box cover 33. When the diameters of the grinding wheels 16 to be dressed are different, the distance between the disc 21 and the grinding wheel 16 can be adjusted by sliding the sliding box 27 along the sliding groove 18. This allows the disc 21 to be tangent to grinding wheels 16 of different sizes, meeting the dressing needs of grinding wheels 16 with different diameters. This expands the application range of the grinding wheel dressing device and has good practicality.

[0056] In this embodiment, as Figure 9 As shown, the laser reflected by the laser reflector 23 is parallel to the baffle 212, as... Figure 1 , Figure 2 and Figure 8 As shown, the laser reflected by the laser reflector 26 is emitted from the beam splitter 21 in a direction parallel to the axis of the beam splitter ring 211 and away from the baffle 212. This design facilitates the subsequent reflection of the laser emitted from the beam splitter 21 into the housing 1 for use, such as... Figure 9As shown, during the rotation of the optical disc 21, the irradiation direction of the laser reflected by the laser reflector 23 changes constantly. Therefore, in order to ensure that the laser reflected by the laser reflector 26 can always be emitted from the optical disc 21 in a direction parallel to the axis of the optical splitting ring 211 and away from the baffle 212, the laser reflector 26 needs to be designed as a curved reflector to adapt to the constantly changing incident direction of the laser.

[0057] In this embodiment, as Figures 1-4 , Figure 8 As shown, the grinding wheel dressing device also includes a housing 1 and an air pump 9. The frame 13 is fixed to the upper surface of the housing 1. The upper surface of the housing 1 is provided with a through hole 12. After the grinding particles are ground into powder and fall from the outer circumference of the beam splitting ring 211, they pass through the through hole 12 and fall into the housing 1. The powder comes into contact with the air to form dust-laden gas. In order to ensure that as much of the dust-laden gas as possible enters the housing 1, an air pump 9 is provided. The air pump 9 is used to extract the gas in the housing 1, thereby driving the dust-laden gas into the housing 1 through the through hole 12, preventing the dust-laden gas from spreading and polluting the air environment. A pair of electric field plates 11 are installed inside the chassis 1, forming an electric field between them. A laser reflector 36 is mounted on the top of the chassis 1 via a mounting bracket 35. The laser emitted from the split disc 21 is reflected by the laser reflector 36 and enters the chassis 1 through the through-hole 12, irradiating the dust-laden gas in the electric field. This causes the dust-laden gas to become polarized and charged. The electric field then causes the charged dust-laden gas to migrate towards the electric field plates 11 and accumulate on them. The accumulated dust is heavy and falls off the electric field plates 11 to the bottom of the chassis 1. The dust at the bottom of the chassis 1 can then be cleaned periodically. Figures 1-4 , Figure 8 As shown, the chassis 1 has a door 2, and a partition 5 is provided inside the chassis 1. The partition 5 divides the chassis 1 into a storage area 6, a dust removal area 7, and an installation area 8. The electric field plate 11 is located in the dust removal area 7, and the through hole 12 is connected to the dust removal area 7. The air pump 9 is located in the installation area 8, and the air pump 9 is provided with an air extraction pipe 37 that connects to the dust removal area 7. The chassis 1 is provided with an exhaust window 4 that connects to the installation area 8. The air pump 9 draws in dust-laden gas and slowly enters the dust removal area 7 through the through hole 12. The laser polarizes and charges the dust-laden gas, causing it to migrate and accumulate towards the electric field plate 11. The clean gas is discharged from the chassis 1 through the exhaust pipe 37 and the exhaust window 4, effectively preventing the dust-laden gas from spreading and polluting the air environment.

[0058] In this embodiment, further, such as Figures 1-3 As shown, the chassis 1 is provided with a through hole 10, and a water tank 3 is closely attached to the outer wall of the chassis 1 with the through hole 10. The laser entering the chassis 1 passes through the electric field and the through hole 10 in sequence and then irradiates the water in the water tank 3, thereby making full use of the energy contained in the laser and achieving a significant energy-saving effect.

[0059] The above description is merely a preferred embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structural transformations made using the contents of the present invention's specification and drawings under the inventive concept of the present invention, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present invention.

Claims

1. A grinding wheel dressing device characterized by comprising: The machine frame and the mounting shaft and the rotating tube are parallel to each other, the mounting shaft is in transmission connection with the rotating motor, and the grinding wheel is driven to rotate around the mounting shaft by the rotating motor; One end of the rotating tube is coaxially fixedly connected with a light splitting disc, a plurality of light transmission holes and a laser reflector one are arranged on the light splitting disc in a central symmetric distribution with the rotating tube as the center, the laser reflector one is located between two adjacent light transmission holes, a laser and a laser reflector two are arranged in the light splitting disc, a fixed shaft is arranged in the rotating tube in a penetrating mode, the fixed shaft is fixed and not rotated, and is fixedly connected with the laser and the laser reflector two, the rotating tube is in transmission connection with a driving motor, the light splitting disc is driven to rotate by the driving motor, the laser emitted by the laser is sequentially emitted from each light transmission hole, the laser reflector one reflects the laser emitted by the laser to the laser reflector two, and the laser reflector two reflects the laser out of the light splitting disc. The light splitting disc is tangent to the polishing surface of the grinding wheel, the laser emitted from the light transmission hole is irradiated to the polishing surface to ablate the polishing surface, and the debris generated by ablation is rubbed off by the light splitting disc. The rotating speed of the rotating motor and the driving motor is adjustable. The laser projection irradiated to the polishing surface is in a rectangular shape, the long side length of the rectangular shape is equal to the width of the polishing surface. The long sides of the two rectangular laser projections formed by the laser irradiated to the polishing surface from two adjacent light transmission holes are collinear.

2. The grinding wheel dressing apparatus of claim 1, wherein The machine frame is provided with a sliding groove, a long strip-shaped sliding hole one, a long strip-shaped sliding hole two and a linear motor, the long strip-shaped sliding hole one and the long strip-shaped sliding hole two are parallel and in communication with the sliding groove, and the length direction of the long strip-shaped sliding hole one and the long strip-shaped sliding hole two is parallel to the extension direction of the sliding groove. A sliding box is slidably installed in the sliding groove, a box cover is detachably and fixedly arranged on the side of the sliding box away from the light splitting disc, the box cover is connected with a push-pull device, the sliding box is driven to slide along the sliding groove by the push-pull device, the driving motor is arranged in the sliding box, the other end of the rotating tube extends into the sliding box and is in transmission connection with the driving motor. A threading hole is arranged on the sliding box, and the threading hole is always in communication with the long strip-shaped sliding hole two during the sliding of the sliding box along the sliding groove. One end of the fixed shaft extends into the light splitting disc and is fixedly connected with the laser and the laser reflector two, and the other end of the fixed shaft extends into the sliding box and is fixedly connected with the box cover. The sliding of the sliding box along the sliding groove adjusts the distance between the light splitting disc and the grinding wheel.

3. The grinding wheel dressing apparatus of claim 1 wherein, The rectangular laser projection ablates a rectangular debris area with the same area on the polishing surface, the rectangular debris area is in frictional contact with the area between two adjacent light transmission holes on the outer circumferential surface of the light splitting disc, and the rectangular debris area is wiped off and disappears by the friction of the outer circumferential surface of the light splitting disc.

4. The grinding wheel dressing apparatus of claim 1 wherein, The light splitting disc comprises a light splitting ring and a baffle fixedly arranged at one end of the light splitting ring, the baffle is fixedly connected with the rotating tube, and the rotating tube is coaxial with the light splitting ring. The plurality of light transmission holes and the laser reflector one are arranged on the inner circumferential surface of the light splitting ring, the outer circumferential surface of the light splitting ring is tangent to the polishing surface of the grinding wheel, and the debris generated by ablation is rubbed off by the outer circumferential surface of the light splitting ring.

5. A grinding wheel dressing apparatus as set forth in claim 4 wherein, The laser emits laser light along the radial direction of the light splitting ring, the laser light reflected by the first laser mirror is parallel to the baffle, and the laser light reflected by the second laser mirror is emitted from the light splitting disc along a direction parallel to the axial direction of the light splitting ring and away from the baffle.

6. A grinding wheel dressing apparatus as set forth in claim 5 wherein, The machine frame is fixed to the upper surface of the cabinet, the upper surface of the cabinet is provided with a second through hole, the dust-containing gas is generated after the granules rub against the outer circumferential surface of the light splitting ring, the air pump is used to extract the gas in the cabinet, thereby driving the dust-containing gas to enter the cabinet through the second through hole, a pair of electric field plates are arranged in the cabinet, an electric field is formed between the pair of electric field plates, a third laser mirror is arranged above the cabinet, and the laser light emitted from the light splitting disc is reflected by the third laser mirror, enters the cabinet through the second through hole, and irradiates the dust-containing gas in the electric field.

7. A grinding wheel dressing apparatus as set forth in claim 6 wherein, The cabinet is provided with a cabinet door, a partition plate is arranged in the cabinet, the partition plate divides the cabinet into a storage area, a dust removal area and a mounting area, the electric field plates are arranged in the dust removal area, and the second through hole is in communication with the dust removal area. The air pump is arranged in the mounting area, the air pump is provided with an air extraction pipe in communication with the dust removal area, and the cabinet is provided with an exhaust window in communication with the mounting area.

8. The grinding wheel dressing apparatus of claim 6, wherein The cabinet is provided with a first through hole, and a water tank is arranged on the outer wall surface of the cabinet provided with the first through hole, the laser light entering the cabinet irradiates the water tank after sequentially penetrating the electric field and the first through hole.

Citation Information

Patent Citations

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    CN101642895A

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