A device for monitoring the state of wear of a milling tool

Abstract

The present application relates to milling tool wear monitoring device technical field, especially to a kind of milling tool wear state monitoring device, including cleaning cabin and preparation cabin;Cleaning cabin is fixedly connected and communicated with preparation cabin, rotating door one of the cleaning cabin front side is provided with the placement milling cutter, rotating door two is provided in preparation cabin side portion, rotating door two is shaped as similar "person" character, it is formed by two plate bodies of obtuse angle, the connecting shaft of rotating door two is at the interconnection of two plate bodies, rotating door two play the role of separating cleaning cabin and preparation cabin, preparation cabin and the outside.This application is wrapped by two arc-shaped brush plates with the cutter head part of milling cutter, then control external water pump mixes with a small amount of cleaning fluid and clean water is sprayed into cleaning cabin by water pipe, so that the sprayed clean water is washed to the cutter head position of milling cutter, and control motor one drives chuck and tool rotation, so that tool and arc-shaped brush plate are mutually rubbed, thereby the debris adhered to the surface of tool is removed by the bristles on arc-shaped brush plate.

Description

Technical Field ,

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[0001] The present invention relates to the technical field of milling cutter wear monitoring equipment, and particularly to a device for monitoring the wear state of milling cutters in milling machining. Background Art

[0002] During the milling cutter machining process, the cleaning and detection of the cutter are key links to ensure the machining quality. Traditional cleaning methods mostly involve manually removing the chips on the cutter surface by hand, which is inefficient and prone to scratching fingers. Existing detection methods mostly rely on manual visual inspection, making it difficult to accurately judge whether the cutter is skewed or worn. Moreover, the cleaning and detection links are usually separated and cannot be continuously completed in a single device, resulting in cumbersome operations and long time consumption. [[ID=​​​​​​​​​​​Furthermore, the cleaning assembly includes a connecting frame, a rotating shaft, a second motor, an arc-shaped brush plate, and water pipes; a connecting frame is connected to both sides of the slider; a rotating shaft is rotatably connected to each connecting frame; a second motor is fixedly connected to each connecting frame, and the rotating part of each second motor is fixedly connected to the corresponding rotating shaft; an arc-shaped brush plate is fixedly connected to each rotating shaft, and brush bristles are provided on the concave surface of all the arc-shaped brush plates; several water pipes are fixedly connected to the cleaning chamber, and the outlets of all the water pipes are angled downwards towards the center of the cleaning chamber.

[0007] Furthermore, it also includes magnetic components; all the curved brush plates are made of deformable material, and magnets are provided on the upper and lower parts of all the curved brush plates; the end of the preparation chamber away from the cleaning chamber is fixed with the same number of magnetic components as the curved brush plates, and the two are mutually attracted to each other.

[0008] Furthermore, the bristles on the concave surface of the arc-shaped brush plate are distributed in a shape perpendicular to the concave surface, and the whole shape is oriented towards the center of the concave arc.

[0009] Furthermore, the magnetic component is in the form of a frame, corresponding to the magnets at the top and bottom of the arc-shaped brush plate.

[0010] Furthermore, it also includes an electric rotating plate, an electric telescopic rod, and an ink pad holder; the electric rotating plate is rotatably connected to the bottom of the cleaning chamber and is located above the collection box; several electric telescopic rods are fixed to the bottom of the electric rotating plate; the telescopic parts of all the electric telescopic rods are fixed to the ink pad holder housed in the box.

[0011] Furthermore, it also includes a connecting pipe; the electric rotating plate has an inclined groove with several suction holes; the electric rotating plate is fixedly connected to the connecting pipe, a pump is connected between the suction holes and the connecting pipe, and the other end of the connecting pipe is connected to the inside of the ink pad container.

[0012] Furthermore, there is a gap between the electric rotating plate and the cleaning chamber.

[0013] Furthermore, the projection of the lower outlet position of the sloping groove does not overlap with the ink pad container.

[0014] Furthermore, the electric rotating plate is designed in a trapezoidal shape, with the top being smaller than the bottom.

[0015] Beneficial effects: This invention uses two arc-shaped brush plates to wrap around the cutting head of the milling cutter. Then, an external water pump is controlled to spray clean water mixed with a small amount of cleaning solution into the cleaning chamber through a water pipe. The sprayed clean water washes the cutting head of the milling cutter. Meanwhile, a motor is controlled to drive the chuck and the cutter to rotate, so that the cutter rubs against the arc-shaped brush plates. The bristles on the arc-shaped brush plates remove the debris adhering to the surface of the cutter.

[0016] This invention arranges the bristles on the concave surface of the arc-shaped brush plate in a shape perpendicular to the concave surface, with the bristles generally facing the center of the concave arc. This allows the bristles to concentrate and move closer to the milling cutter during the cleaning process, thereby enhancing the cleaning effect.

[0017] This invention uses a motor to drive the chuck and milling cutter to rotate slowly, so that the circumferential surface of the milling cutter comes into contact with the C-shaped tube. It also controls a slider to drive the electric turntable, spring telescopic rod and C-shaped tube to move upward. If the milling cutter is tilted, the milling cutter body will squeeze the C-shaped tube during rotation, causing the C-shaped tube to squeeze the spring telescopic rod to contract. After the infrared sensor detects the offset distance of the C-shaped tube, the feedback data is fluctuating. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the first structure of the milling tool wear condition monitoring device of the present invention;

[0019] Figure 2 This is a schematic diagram of the second structure of the milling tool wear condition monitoring device of the present invention;

[0020] Figure 3 This is a schematic diagram of the rotating shaft, motor 2, and arc-shaped brush plate structure of the milling tool wear condition monitoring device of the present invention;

[0021] Figure 4 This is a schematic diagram of the electric turntable, spring telescopic rod, and C-shaped tube structure of the milling tool wear condition monitoring device of the present invention.

[0022] Figure 5 This is a C-shaped tube cross-sectional view of the milling tool wear condition monitoring device of the present invention;

[0023] Figure 6 This is a cross-sectional view of the electric rotary plate disclosed in the milling tool wear condition monitoring device of the present invention;

[0024] Figure 7 This is a schematic diagram of the structure of the milling tool wear condition monitoring device of the present invention, which includes an electric rotating plate, an electric telescopic rod, pigment cotton, and a connecting pipe.

[0025] In the attached drawing reference numerals: 1 - cleaning chamber, 2 - preparation chamber, 3 - first motor, 4 - chuck, 5 - first electric guide rail, 6 - first slider, 7 - connecting frame, 10 - rotary shaft, 11 - second motor, 12 - arc-shaped brush plate, 13 - water pipe, 14 - second electric guide rail, 15 - second slider, 16 - electric turntable, 17 - spring telescopic rod, 18 - C-shaped pipe, 20 - infrared sensor, 21 - collection box, 22 - magnetic part, 23 - electric rotating plate, 24 - electric telescopic rod, 25 - ink pad accommodation box, 27 - connecting pipe, 101 - first rotating door, 201 - second rotating door, 1801 - nozzle, 231 - inclined groove, 2301 - suction hole. Detailed implementation manners

[0026] The present invention will be specifically introduced below in conjunction with the attached drawings and specific embodiments.

[0027] Embodiment 1: A monitoring device for the wear state of a milling tool, referring to Figures 1-6 as shown, it includes a cleaning chamber 1 and a preparation chamber 2; the cleaning chamber 1 is fixedly connected and communicated with the preparation chamber 2, a first rotating door 101 for placing a milling cutter is arranged on the front side of the cleaning chamber 1, a second rotating door 201 is arranged on the side of the preparation chamber 2, the shape of the second rotating door 201 is similar to a "human" shape and is composed of two plate bodies forming an obtuse angle, the connecting shaft of the second rotating door 201 is at the connection of the two plate bodies, and the second rotating door 201 serves to partition the cleaning chamber 1 and the preparation chamber 2, and the preparation chamber 2 from the outside;

[0028] It further includes a first motor 3, a chuck 4, a first electric guide rail 5, a first slider 6, a cleaning component, a second electric guide rail 14, a second slider 15, an electric turntable 16, a spring telescopic rod 17, a C-shaped pipe 18, an infrared sensor 20 and a collection box 21; the first motor 3 is bolted to the upper part of the cleaning chamber 1; the rotating part of the first motor 3 is fixedly connected with the chuck 4; the first electric guide rail 5 is fixedly connected inside the preparation chamber 2; the first electric guide rail 5 is slidably connected with the first slider 6; the first slider 6 is connected with the cleaning component; the first electric guide rail 14 is fixedly connected to the first slider 6; a second slider 15 is slidably connected to the second electric guide rail 14; the second slider 15 is fixedly connected with the electric turntable 16; the rotating part of the electric turntable 16 is fixedly connected with the spring telescopic rod 17; the telescopic part of the spring telescopic rod 17 is fixedly connected with the C-shaped pipe 18, the C-shaped pipe 18 is divided into upper and lower two channels, the two channels are not connected to each other, and a plurality of nozzles 1801 are opened on the C-shaped pipe 18; the infrared sensor 20 for detecting the movement state of the C-shaped pipe 18 is fixedly connected to the first slider 6; the collection box 21 is detachably connected to the bottom of the cleaning chamber 1.

[0029] The cleaning assembly includes a connecting frame 7, a rotating shaft 10, a second motor 11, an arc-shaped brush plate 12, and water pipes 13; a connecting frame 7 is connected to both the front and rear sides of the slider 6; a rotating shaft 10 is rotatably connected to each connecting frame 7; a second motor 11 is bolted to each connecting frame 7, and the rotating part of each second motor 11 is fixedly connected to the corresponding rotating shaft 10; an arc-shaped brush plate 12 is fixedly connected to each rotating shaft 10, and brush bristles are provided on the concave surface of all the arc-shaped brush plates 12; two water pipes 13 are fixedly connected to the cleaning chamber 1, and the outlets of all the water pipes 13 are obliquely downwards towards the center of the cleaning chamber 1.

[0030] It also includes magnetic components 22; all the arc-shaped brush plates 12 are made of deformable material, and magnets are provided on the upper and lower parts of all the arc-shaped brush plates 12; two magnetic components 22 are fixedly connected to the end of the preparation chamber 2 away from the cleaning chamber 1, and the two are attracted to each other.

[0031] The bristles on the concave surface of the arc-shaped brush plate 12 are distributed perpendicular to the concave surface, and the whole bristles are oriented towards the center of the concave arc. This allows the bristles to concentrate and move closer to the milling cutter during the cleaning process, thus enhancing the cleaning effect.

[0032] The magnetic component 22 is in the form of a frame, corresponding to the magnets at the top and bottom of the arc-shaped brush plate 12. The hollow shape reduces the overall volume and weight of the magnetic component 22, making the structure easier to replace and use.

[0033] The following describes how the above embodiments work:

[0034] In the milling process, tool cleaning and inspection are key steps to ensure machining quality. Traditional cleaning methods mostly involve manually removing debris from the tool surface, which is inefficient and can easily cut fingers. Existing inspection methods rely on manual visual inspection, which makes it difficult to accurately determine whether the tool is misaligned or worn. Furthermore, the cleaning and inspection processes are usually separate and cannot be completed continuously in one set of equipment, resulting in cumbersome and time-consuming operations.

[0035] In use, the operator manually opens the rotating door 101 on the cleaning chamber 1, then holds the milling cutter to be inspected with one hand and inserts the shank end into the middle of the slack chuck 4. The other hand then manipulates the slack chuck 4 to clamp the shank of the milling cutter. The rotating door 101 is then closed. The slider 6 is then controlled to move the connecting frame 7 and its connected parts along the electric guide rail 5 towards the cleaning chamber 1, causing the two arc-shaped brush plates 12 to move into the cleaning chamber 1. The front motor 11 is then controlled to rotate the arc-shaped brush plates 12 clockwise from top to bottom. The rear motor 11 is then controlled... 1. Drive the curved brush plates 12 to rotate counterclockwise from top to bottom, so that the two curved brush plates 12 wrap around the cutting head of the end mill. Then, control the external water pump to spray clean water mixed with a small amount of cleaning solution into the cleaning chamber 1 through the water pipe 13, so that the sprayed clean water washes the cutting head of the end mill. Simultaneously, control the motor 3 to drive the chuck 4 and the cutter to rotate, so that the cutter rubs against the curved brush plates 12, thereby removing the debris adhering to the surface of the cutter through the bristles on the curved brush plates 12. The removed debris will fall into the collection box 21. After cleaning is completed, control the external water pump and motor 3 to stop running, and control all Motor 2 11 drives the corresponding arc-shaped brush plate 12 to rotate and reset. Then, it controls slider 1 6 to move and reset the connecting frame 7 and its connected parts. During this process, water pipe 13 sprays clean water again to rinse the milling cutter surface until the C-shaped tube 18 contacts the milling cutter surface. Then, motor 1 3 drives the chuck 4 and the milling cutter to rotate slowly, making the circumferential surface of the milling cutter contact the C-shaped tube 18. Slider 2 15 then drives the electric turntable 16, spring telescopic rod 17, and C-shaped tube 18 to move upwards. If the milling cutter is skewed, the cutter body will squeeze the C-shaped tube 18 during rotation, causing... When the C-shaped tube 18 compresses the spring telescopic rod 17 to retract, the infrared sensor 20 detects the offset distance of the C-shaped tube 18 and the feedback data is fluctuating. This indicates that the milling cutter is tilted, proving that the tool is severely worn and can no longer guarantee cutting accuracy, requiring timely replacement. If the milling cutter is in a standard vertical position without tilting, it will not deviate from the circumferential rotation track during rotation, and will not exert pressure on the C-shaped tubes 18 that are in contact with each other. As a result, the data fed back by the infrared sensor 20 will be flat, and the operator will know that the milling cutter is not tilted.

[0036] As the C-tube 18 moves upward, an external air pump is controlled to introduce air into the lower space of the C-tube 18 and spray it out from the nozzle 1801 onto the surface of the milling cutter, drying any residual moisture on the cutter surface. This continues until the C-tube 18 moves to the shank of the milling cutter below the chuck 4. Considering the length of the C-tube 18, the lower air blowing position cannot dry the residual moisture at the shank of the milling cutter. Therefore, the electric turntable 16 is controlled to rotate the spring telescopic rod 17 and the C-tube 18 by 180 degrees, causing the air blowing nozzle 1801 of the C-tube 18 to rotate upward. This completely dries the surface of the milling cutter, preventing any impact on the effectiveness of the protective oil coating. After drying, the electric turntable 16 is controlled to rotate the spring telescopic rod 17 and the C-shaped tube 18 in opposite directions by 180 degrees, causing the nozzle 1801 of the C-shaped tube 18 to rotate upwards. Then, the external oiling device is controlled to pass the protective oil into the corresponding nozzle 1801 of the C-shaped tube 18 and spray it onto the surface of the milling cutter. At the same time, the slider 2 15 is controlled to move the C-shaped tube 18 downwards, while the motor 1 3 drives the milling cutter itself to rotate slowly, so that the protective oil is coated on the entire surface of the milling cutter, thus maintaining the milling cutter.

[0037] Considering that during the cleaning process of the arc-shaped brush plate 12 on the milling cutter, some debris will get stuck between the bristles of the arc-shaped brush plate 12. Over time, this accumulation will affect the cleaning effect on the milling cutter, and the friction between the milling cutter and the debris will exacerbate the wear on the milling cutter surface. Furthermore, the shape of the arc-shaped brush plate 12 causes the bristles to be clustered together, making it difficult to remove the debris inside the clustered bristles. To solve this problem, when the slider 6 moves the arc-shaped brush plate 12 to its reset position and end, the arc-shaped brush plate 12 gradually approaches the rectangular magnetic component 22. At this time, the operator manually opens the rotating door 201. When the rotating door 201 flips, because its shape is similar to a "V" and consists of two plates forming an obtuse angle, and the connecting shaft of the rotating door 201 is located at the connection point of the two plates, when... Figure 2 When the rotating door 201 is opened, and one of its plates is outside the preparation chamber 2, the other plate of the rotating door 201 will rotate to separate the preparation chamber 2 and the cleaning chamber 1. Then, the arc-shaped brush plate 12 is manually pressed, causing the magnet on it to come into contact with the magnetic component 22 and be attracted by it. When the arc-shaped brush plate 12 and the magnetic component 22 are completely in contact, the arc-shaped brush plate 12 will be forced to bend in the opposite direction, and all the bristles on the arc-shaped brush plate 12 will unfold, allowing the debris stuck in the bristles to be released. At this time, it is very easy to manually use a tool to move the bristles to remove the debris inside the bristles. Moreover, because the preparation chamber 2 and the cleaning chamber 1 are separated by one of the plates of the rotating door 201, any splashing debris will not splash into the cleaning chamber 1, thus concentrating the debris and reducing the difficulty of later cleaning.

[0038] Example 2, based on Example 1, refers to... Figure 7and Figure 6 As shown, it also includes an electric rotating plate 23, an electric telescopic rod 24, and an ink pad receiving box 25; the electric rotating plate 23 is rotatably connected to the bottom of the cleaning chamber 1, and the electric rotating plate 23 is located above the collection box 21; two electric telescopic rods 24 are fixedly connected to the bottom of the electric rotating plate 23; the telescopic parts of all the electric telescopic rods 24 are fixedly connected to the ink pad receiving box 25 installed in the box body.

[0039] It also includes a connecting pipe 27; the electric rotating plate 23 has a sloping groove 231, and the sloping groove 231 has a number of suction holes 2301; the electric rotating plate 23 is fixedly connected to the connecting pipe 27, and a pump is connected between the suction holes 2301 and the connecting pipe 27, and the other end of the connecting pipe 27 is connected to the inside of the ink pad container 25.

[0040] There is a gap between the electric rotating plate 23 and the cleaning chamber 1, which allows some cleaning wastewater to flow into the collection box 21 through the gap, thereby increasing the speed at which the cleaning wastewater flows into the collection box 21 and preventing accumulation.

[0041] The projection of the lower outlet position of the inclined groove 231 does not overlap with the ink pad container 25, thus preventing cleaning wastewater from flowing directly onto the surface of the ink pad container 25.

[0042] The electric rotating plate 23 is trapezoidal in shape, with a smaller top and a larger bottom, to prevent dirty water from splashing onto the ink pad container 25 during the first cleaning.

[0043] The following describes how the above embodiments work:

[0044] Considering the possibility of wear on the bottom of the milling cutter, during the slow rotation of the milling cutter for skew detection, the electric rotary plate 23 is simultaneously rotated 180 degrees, causing the electric rotary plate 23 to rotate the ink pad holder 25 so that the ink pad holder 25 is positioned directly below the milling cutter. Then, the electric telescopic rod 24 is controlled to push the ink pad holder 25 upwards a set distance (the set distance is the distance between the bottom of the standard milling cutter and the ink pad holder 25), so that the ink pad holder 25 just contacts the bottom of the milling cutter. Finally, the electric telescopic rod 24 is controlled to move the ink pad holder 25 upwards. Move downwards to reset, control the electric rotating plate 23 to drive the ink pad container 25 to rotate 180 degrees to reset, the staff take out the milling cutter and observe the bottom. If the bottom of the milling cutter is colored, the bottom of the milling cutter is flat and the wear is small. If there is no color in some parts of the bottom of the milling cutter, it means that the bottom of the milling cutter is severely worn. The staff decides whether to apply oil or scrap the milling cutter directly based on the wear of the milling cutter. When the ink pad container 25 is not used, the cleaning water can also pass through the inclined groove 231 and the area around the electric rotating plate 23 and fall into the lower collection box 21.

[0045] Considering that the ink pad holder 25 will dry out after being left for a long time, making the color on the bottom of the milling cutter unclear after it comes into contact with the ink pad holder 25, which affects the operator's judgment, every once in a while, when the water pipe 13 sprays clean water for the second time to rinse the milling cutter, the water pump inside the electric rotating plate 23 is started. When the clean water flows through the suction hole 2301 on the inclined groove 231, the clean water will be sucked away by the water pump and enter the ink pad holder 25 through the connecting pipe 27, so that the clean water wets the ink pad holder 25, thereby enabling a clearer color to be printed on the bottom of the milling cutter.

[0046] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A monitoring device for the wear state of a milling tool, comprising a cleaning chamber (1) and a preparation chamber (2); the cleaning chamber (1) is fixedly connected and communicated with the preparation chamber (2), a rotating door one (101) for placing a milling cutter is arranged on the front side of the cleaning chamber (1), a rotating door two (201) is arranged on the side of the preparation chamber (2), the shape of the rotating door two (201) is similar to a "human" shape and is composed of two plate bodies forming an obtuse angle, the connecting shaft of the rotating door two (201) is at the connection of the two plate bodies, and the rotating door two (201) serves to separate the cleaning chamber (1) and the preparation chamber (2), and the preparation chamber (2) from the outside; characterized in that: The upper part of the cleaning chamber (1) is fixedly connected to a motor (3); the rotating part of the motor (3) is fixedly connected to a clamp (4); the preparation chamber (2) is fixedly connected to an electric guide rail (5); the electric guide rail (5) is slidably connected to a slider (6); the slider (6) is connected to a cleaning assembly for cleaning the blades; the slider (6) is fixedly connected to an electric guide rail (14); the electric guide rail (14) is slidably connected to a slider (15); the slider (15) is fixedly connected to an electric turntable (1). 6) The rotating part of the electric turntable (16) is fixedly connected to a spring telescopic rod (17); the telescopic part of the spring telescopic rod (17) is fixedly connected to a C-shaped tube (18), the C-shaped tube (18) is divided into upper and lower channels, the two channels are not connected to each other, and several nozzles (1801) are opened on the C-shaped tube (18); an infrared sensor (20) for detecting the movement state of the C-shaped tube (18) is fixedly connected to the slider (6); a collection box (21) is detachably connected to the bottom of the cleaning chamber (1). The cleaning assembly includes a connecting frame (7), a rotating shaft (10), a second motor (11), an arc-shaped brush plate (12), and water pipes (13); a connecting frame (7) is connected to both sides of the slider (6); a rotating shaft (10) is rotatably connected to each connecting frame (7); a second motor (11) is fixedly connected to each connecting frame (7), and the rotating part of each second motor (11) is fixedly connected to the corresponding rotating shaft (10); an arc-shaped brush plate (12) is fixedly connected to each rotating shaft (10), and brush bristles are provided on the concave surface of all the arc-shaped brush plates (12); several water pipes (13) are fixedly connected to the cleaning chamber (1), and the outlets of all the water pipes (13) are obliquely downwards towards the center of the cleaning chamber (1); It also includes magnetic components (22); all the arc-shaped brush plates (12) are made of deformable material, and magnets are provided on the upper and lower parts of all the arc-shaped brush plates (12); the end of the preparation chamber (2) away from the cleaning chamber (1) is fixed with a number of magnetic components (22) equal to the number of arc-shaped brush plates (12), and the two are mutually attracted.

2. The milling tool wear condition monitoring device according to claim 1, characterized in that: The bristles on the concave surface of the arc-shaped brush plate (12) are distributed in a shape perpendicular to the concave surface, and the whole is oriented towards the center of the concave arc.

3. The milling tool wear condition monitoring device according to claim 1, characterized in that: The magnetic component (22) is in the form of a frame, corresponding to the magnets on the upper and lower parts of the arc-shaped brush plate (12).

4. The milling tool wear condition monitoring device according to claim 3, characterized in that: It also includes an electric rotating plate (23), an electric telescopic rod (24), and an ink pad container (25); the bottom of the cleaning chamber (1) is rotatably connected to the electric rotating plate (23), which is located above the collection box (21); several electric telescopic rods (24) are fixedly connected to the bottom of the electric rotating plate (23); the telescopic parts of all the electric telescopic rods (24) are fixedly connected to the ink pad container (25) installed in the box.

5. The milling tool wear condition monitoring device according to claim 4, characterized in that: It also includes a connecting pipe (27); the electric rotating plate (23) has a sloping groove (231) and a number of suction holes (2301) on the sloping groove (231); the electric rotating plate (23) is fixedly connected to the connecting pipe (27), and a pump is connected between the suction hole (2301) and the connecting pipe (27), and the other end of the connecting pipe (27) is connected to the inside of the ink pad container (25).

6. The milling tool wear condition monitoring device according to claim 5, characterized in that: There is a gap between the electric rotating plate (23) and the cleaning chamber (1).

7. The milling tool wear condition monitoring device according to claim 6, characterized in that: The projection of the lower outlet position of the sloping groove (231) does not overlap with the ink pad container (25).

8. The milling tool wear condition monitoring device according to claim 6, characterized in that: The electric rotating plate (23) is a trapezoid with a smaller top and a larger bottom.

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