Profiling milling mechanism

Abstract

The utility model discloses a profiling milling mechanism. The profiling milling mechanism comprises a fixed seat, a milling assembly and a second driving device, the milling assembly is installed on the fixing base in a left-right moving mode, the milling assembly comprises a first positioning piece, a milling cutter, a second positioning piece and a first driving device, the second positioning piece is located below the milling cutter, and the second positioning piece 230 and the upper vertical face 530 of the plate 500 are highly overlapped; the second driving device is mounted on the fixed seat; the first positioning piece abuts against the upper end face of the plate to achieve positioning of the milling cutter in the vertical direction, then the second driving device is utilized, when the plate moves relative to the milling assembly, the second driving device can control the second positioning piece to move left and right according to the shape of the upper vertical face, and the second positioning piece abuts against the upper vertical face all the time. The milling cutter is positioned in the left-right direction, so that when the first driving device drives the milling cutter to rotate, the milling cutter can mill redundant edge sealing belts on the upper vertical surface.

Description

Technical Field

[0001] The utility model relates to the field of sheet processing, in particular to a profiling milling mechanism. Background Art

[0002] As Figure 3 shown, the right side of the existing sheet 500 has a J-shaped notch 501. The J-shaped notch 501 of the sheet 500 usually needs to be pasted with an edge banding. The J-shaped notch 501 includes a flat surface 510, a contact surface 520, and an upper vertical surface 530 from bottom to top. The upper vertical surface 530 includes a straight segment 540 and an arc segment 550. The edge banding adhered to the upper vertical surface 530 is vertically arranged, and the height of the edge banding is usually higher than the height of the side wall. Therefore, the excess edge banding needs to be cut off. Due to the special shape of the J-shaped notch 501, the existing milling mechanism is not suitable for milling the sheet 500 with the J-shaped notch 501. Summary of the Utility Model

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. For this purpose, the utility model provides a profiling milling mechanism.

[0004] The profiling milling mechanism according to the first aspect embodiment of the utility model includes a fixed seat, a milling component, and a second driving device; the milling component is movably mounted on the fixed seat in the left-right direction. The milling component includes a first positioning member, a milling cutter, a second positioning member, and a first driving device for driving the milling cutter to rotate. The first positioning member and the milling cutter are arranged at intervals in the left-right direction of the fixed seat. The first positioning member can abut against the upper end surface of the sheet. The second positioning member is located below the milling cutter. There is a height overlap between the second positioning member and the upper vertical surface of the sheet. The milling cutter is used for milling the corner between the upper vertical surface of the sheet and the upper end surface of the sheet; the second driving device is mounted on the fixed seat and is used for driving the milling component to move left and right.

[0005] The profiling milling mechanism according to the embodiment of the utility model has at least the following technical effects: by using the first positioning member to abut against the upper end surface of the sheet, the positioning of the milling cutter in the up-down direction is realized, so that the milling cutter is aligned with the corner position between the upper vertical surface of the sheet and the upper end surface of the sheet. Then, by using the second driving device, when the sheet moves relative to the milling component, the second driving device can control the left-right movement of the second positioning member according to the shape of the upper vertical surface, so that the second positioning member moves left and right along the shape of the upper vertical surface, and the second positioning member always abuts against the upper vertical surface, realizing the left-right positioning of the milling cutter. Furthermore, when the first driving device drives the milling cutter to rotate, the milling cutter can mill the excess edge banding on the upper vertical surface.

[0006] According to some embodiments of the present utility model, the second positioning member is a runner, and the axis of the runner is perpendicular to the horizontal plane.

[0007] According to some embodiments of the present utility model, the first driving device is a motor, and a cutter clamping member for fixing the milling cutter to the rotating shaft is connected to the rotating shaft of the motor. The cutter clamping member is located at the bottom of the milling cutter. An avoidance cavity with an upward opening is formed inside the runner, and the cutter clamping member is embedded in the avoidance cavity.

[0008] According to some embodiments of the present utility model, the milling component further includes a moving seat. The first positioning member, the second positioning member, and the first driving device are all installed on the moving seat. A plurality of first guide rods are arranged on the fixed seat. The moving seat is movably installed on the fixed seat in a left-right direction and is slidably connected to the first guide rods. The second driving device is installed on the fixed seat and is connected to the moving seat. The second driving device is used to drive the moving seat to move left and right.

[0009] According to some embodiments of the present utility model, the milling component further includes a fifth mounting plate. The first driving device is installed on the fifth mounting plate. The fifth mounting plate has a first sinking groove and a second sinking groove for guiding the rotation of the fifth mounting plate. The second sinking groove is located above the first sinking groove. Screws are installed in both the first sinking groove and the second sinking groove. The fifth mounting plate is fixed to the moving seat by the screws;

[0010] When the screws on the first sinking groove and the screws on the second sinking groove are both loosened, the fifth mounting plate can rotate relative to the moving seat between a first position and a second position with the screws on the first sinking groove as the rotation axis. When the fifth mounting plate is in the first position, the screws in the second sinking groove are located at one end of the second sinking groove. When the fifth mounting plate is in the second position, the screws in the second sinking groove are located at the other end of the second sinking groove.

[0011] According to some embodiments of the present utility model, the milling component further includes a first mounting plate and a second mounting plate. The second positioning member is installed on the second mounting plate. The first mounting plate is movably installed on the moving seat in an up-down direction. The second mounting plate is movably installed on the first mounting plate in a left-right direction and a front-back direction.

[0012] According to some embodiments of the present utility model, the first positioning member is movably installed on the moving seat in an up-down direction.

[0013] According to some embodiments of the present utility model, the milling assembly further includes a third mounting plate and a fourth mounting plate. The third mounting plate is movably mounted on the moving seat in the up-and-down direction. The front end of the fourth mounting plate is rotatably mounted on the third mounting plate. The first positioning member is disposed at the bottom of the rear end of the fourth mounting plate. The third mounting plate is provided with a rotatable first screw and a second screw. The first screw is located between the front and rear ends of the fourth mounting plate and penetrates downward through the fourth mounting plate. A first spring is disposed between the portion of the first screw below the fourth mounting plate and the bottom of the fourth mounting plate. The bottom of the second screw is located behind the hinge joint of the fourth mounting plate and the third mounting plate and abuts against the top of the fourth mounting plate.

[0014] According to some embodiments of the present utility model, it further includes a support frame. A second guide rod is disposed on the support frame. The fixed seat is slidably connected to the second guide rod. A rotatable first screw rod is provided at the top of the support frame. A second spring is disposed between the first screw rod and the fixed seat. The first screw rod is used to drive the fixed seat to move up and down.

[0015] According to some embodiments of the present utility model, scraping blades are mounted on the outer side of the runner.

[0016] Additional aspects and advantages of the present utility model will be given in part in the following description, become apparent in part from the following description, or be learned through the practice of the utility model. Description of the Drawings

[0017] The additional aspects and advantages of the present utility model will become apparent and be readily understood from the description of the embodiments in conjunction with the following drawings, wherein:

[0018] Figure 1 It is a schematic structural diagram of a profiling milling mechanism from a certain perspective;

[0019] Figure 2 It is a schematic structural diagram of the first positioning member, the second positioning member and the milling cutter abutting against the plate;

[0020] Figure 3 It is a schematic structural diagram of the plate;

[0021] Figure 4 It is an exploded view of the first driving device and the milling cutter;

[0022] Figure 5 It is a sectional view of the first driving device, the milling cutter and the tool clamping member;

[0023] Figure 6 It is a schematic structural diagram of the milling assembly;

[0024] Figure 7It is a schematic structural diagram of a profiling milling mechanism from another perspective;

[0025] Figure 8 It is a top view of the profiling milling mechanism;

[0026] Figure 9 It is Figure 8 The sectional view taken along A-A in

[0027] Reference numerals: fixed seat 100, first guide rod 110, milling component 200, first positioning member 210, milling cutter 220, second positioning member 230, avoidance cavity 231, scraping blade 232, first driving device 240, tool clamping member 241, moving seat 250, first mounting plate 260, second screw rod 261, third sinking groove 262, sixth mounting plate 263, seventh mounting plate 264, third screw rod 265, eighth mounting plate 266, fourth screw rod 267, second mounting plate 270, third mounting plate 280, first screw 281, second screw 282, hinge joint 283, fourth mounting plate 290, first spring 291, second driving device 300, support frame 400, second guide rod 410, first screw rod 420, second spring 430, plate 500, J-shaped notch 501, flat straight surface 510, contact surface 520, upper vertical surface 530, straight section 540, arc section 550, fifth mounting plate 600, first sinking groove 610, second sinking groove 620. Detailed implementation manners

[0028] The embodiments of the present invention will be described in detail below. The examples of the embodiments are shown in the drawings, in which the same or similar reference numerals indicate the same or similar elements or elements with the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present invention and should not be construed as a limitation to the present invention.

[0029] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by terms such as up, down, front, back, left, right, etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present invention.

[0030] In the description of the present invention, the meaning of several is one or more, the meaning of multiple is two or more, greater than, less than, exceeding, etc. are understood as not including the present number, and above, below, within, etc. are understood as including the present number. If there is a description of first and second, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the sequence of the indicated technical features.

[0031] In the description of the present utility model, unless otherwise clearly defined, terms such as "setting", "installation", "connection", etc. should be understood in a broad sense, and those skilled in the relevant technical field can reasonably determine the specific meanings of the above terms in the present utility model in combination with the specific content of the technical solution.

[0032] Referring to Figure 1 As shown, the profiling milling mechanism according to an embodiment of the present utility model includes a fixed seat 100, a milling component 200, and a second driving device 300; the milling component 200 is movably mounted on the fixed seat 100 in the left-right direction, and the milling component 200 includes a first positioning member 210, a milling cutter 220, a second positioning member 230, and a first driving device 240 for driving the milling cutter 220 to rotate. As Figure 1 , 2 shown, the first positioning member 210 and the milling cutter 220 are spaced apart in the left-right direction of the fixed seat 100. The first positioning member 210 can abut against the upper end surface of the plate 500. The second positioning member 230 is located below the milling cutter 220. There is a height overlap between the second positioning member 230 and the upper vertical surface 530 of the plate 500 (that is, a part of the height of the second positioning member 230 is the same as a part of the height of the upper vertical surface 530). The milling cutter 220 is used for milling the corner between the upper vertical surface 530 of the plate 500 and the upper end surface of the plate 500; the second driving device 300 is mounted on the fixed seat 100 and is used for driving the milling component 200 to move left and right.

[0033] By using the first positioning member 210 to abut against the upper end surface of the plate 500, the positioning of the milling cutter 220 in the up-down direction is realized, so that the milling cutter 220 is aligned with the position of the corner between the upper vertical surface 530 of the plate 500 and the upper end surface of the plate 500. Then, by using the second driving device 300, when the plate 500 moves relative to the milling component 200, the second driving device 300 can control the left-right movement of the second positioning member 230 according to the shape of the upper vertical surface 530, so that the second positioning member 230 moves left and right along the shape of the upper vertical surface 530, and the second positioning member 230 always abuts against the upper vertical surface 530, realizing the positioning of the milling cutter 220 in the left-right direction. Furthermore, when the first driving device 240 drives the milling cutter 220 to rotate, the milling cutter 220 can mill the redundant edge band on the upper vertical surface 530.

[0034] Specifically, the fixed seat 100 is fixed to the machine frame or fixed to the plate laminating machine. After the plate is laminated, the profiling milling mechanism performs milling processing on the plate; the first positioning member 210 can be a pressing wheel or a abutting plate.

[0035] As Figure 3As shown, the right side of the plate 500 has a J-shaped notch 501. The J-shaped notch 501 successively includes a flat surface 510, a contact surface 520, and an upper vertical surface 530 from bottom to top. The contact surface 520 can be an arc surface or not. The upper vertical surface 530 includes a straight segment 540 and an arc segment 550, as Figure 1 As shown, during operation, the first driving device 240 is started. The first driving device 240 drives the milling cutter 220 to rotate. The plate 500 is placed flat on a conveying device (not shown in the figure) and is located to the left of the second positioning member 230. The conveying device keeps driving the plate 500 to move backward or forward. The bottom of the first positioning member 210 abuts against the upper end surface of the plate 500 to achieve the positioning of the milling cutter 220 in the up-and-down direction. The second driving device 300 drives the milling assembly 200 to move leftward, so that the second positioning member 230 on the milling assembly 200 abuts against the upper vertical surface 530, and the milling cutter 220 mills the corner between the upper vertical surface 530 of the plate 500 and the upper end surface of the plate 500. During the movement of the plate 500, the second driving device 300 drives the milling assembly 200 to move left and right according to the shape of the upper vertical surface 530, so that the second positioning member 230 keeps abutting against the upper vertical surface 530 of the plate 500, so that the milling cutter 220 can also move synchronously according to the shape of the upper vertical surface 530, and thus the edge band on the upper vertical surface 530 can be milled.

[0036] In some embodiments of the present invention, as Figure 1 As shown, the second positioning member 230 is a runner. The axis of the runner is perpendicular to the horizontal plane, that is, the wheel surface of the runner abuts against the upper vertical surface 530 of the plate 500. By using the runner for positioning in the left-and-right direction, it is convenient for the plate 500 to move back and forth, will not damage the edge band on the upper vertical surface 530, and can further press the edge band onto the upper vertical surface 530.

[0037] In a further embodiment of the present invention, as Figure 4 、 5 As shown, the first driving device 240 is a motor. The rotating shaft of the motor is connected with a tool clamping member 241 for fixing the milling cutter 220 on the rotating shaft. The tool clamping member 241 is located at the bottom of the milling cutter 220. The runner internally has an avoidance cavity 231 with an upper opening. The tool clamping member 241 is embedded in the avoidance cavity 231. By providing the avoidance cavity 231 on the runner, the milling cutter 220 can be closer to the upper end of the runner. Thus, when the upper vertical surface 530 is relatively narrow, the second positioning member 230 can also abut against the upper vertical surface 530, and the milling cutter 220 can also normally mill the corner.

[0038] In some embodiments of the present invention, as Figure 1As shown, the milling assembly 200 further includes a moving base 250. The first positioning member 210, the second positioning member 230, and the first driving device 240 are all mounted on the moving base 250. A plurality of first guide rods 110 are provided on the fixed base 100. The moving base 250 is movably mounted on the fixed base 100 and slidably connected to the first guide rods 110. The second driving device 300 is mounted on the fixed base 100 and connected to the moving base 250. The second driving device 300 is used to drive the moving base 250 to move left and right.

[0039] By providing the first guide rods 110, the first guide rods 110 can guide the movement of the moving base 250, making the movement of the moving base 250 more stable.

[0040] Specifically, the second driving device 300 can be a cylinder or other linear driving structures.

[0041] In a further embodiment of the present invention, as Figure 6 shown, the milling assembly 200 further includes a fifth mounting plate 600. The first driving device 240 is mounted on the fifth mounting plate 600. The fifth mounting plate 600 has a first sunk groove 610 and a second sunk groove 620 for guiding the rotation of the fifth mounting plate 600. The second sunk groove 620 is located above the first sunk groove 610. Screws are installed in both the first sunk groove 610 and the second sunk groove 620. The fifth mounting plate 600 is fixed to the moving base 250 by screws.

[0042] When the screws in the first sunk groove 610 and the screws in the second sunk groove 620 are both loosened, the fifth mounting plate 600 can rotate relative to the moving base 250 between a first position and a second position with the screws in the first sunk groove 610 as the rotation axis. When the fifth mounting plate 600 is in the first position, the screws in the second sunk groove 620 are located at one end of the second sunk groove 620. When the fifth mounting plate 600 is in the second position, the screws in the second sunk groove 620 are located at the other end of the second sunk groove 620.

[0043] When it is necessary to adjust the rotation position, loosen the screws in the first sunk groove 610 and the screws in the second sunk groove 620. The fifth mounting plate 600 can rotate relative to the moving base 250 with the screws in the first sunk groove 610 as the rotation axis to adjust the rotation position of the fifth mounting plate 600 relative to the moving base 250. After the adjustment is completed, tighten the screws in the first sunk groove 610 and the screws in the second sunk groove 620.

[0044] In a further embodiment of the present invention, as Figure 6As shown, the milling assembly 200 further includes a first mounting plate 260 and a second mounting plate 270. The second positioning member 230 is mounted on the second mounting plate 270. The first mounting plate 260 is movably mounted on the moving seat 250 in the up and down direction. The second mounting plate 270 is movably mounted on the first mounting plate 260 in the left and right directions and in the front and back directions. By moving the first mounting plate 260 up and down, and moving the second mounting plate 270 left and right and front and back, the second positioning member 230 can adjust its up and down position, left and right position, and front and back position. Thus, the second positioning member 230 can adapt to workpieces 500 of different sizes.

[0045] Specifically, the first mounting plate 260 is slidably connected to the moving seat 250. A rotatable second screw rod 261 is mounted on the moving seat 250. The second screw rod 261 is threadedly connected to the first mounting plate 260. When the second screw rod 261 is rotated, the up and down position of the first mounting plate 260 is adjusted. Among them, a third sinking groove 262 extending in the up and down direction can be provided on the first mounting plate 260. Screws are installed in the third sinking groove 262 to fix the first mounting plate 260 to the moving seat 250. When it is necessary to adjust the up and down position of the first mounting plate 260, loosen the screws in the third sinking groove 262, rotate the second screw rod 261, and the second screw rod 261 drives the first mounting plate 260 to move on the moving seat 250. After the adjustment is completed, tighten the screws.

[0046] Specifically, as Figure 6 shown, the milling assembly 200 further includes a sixth mounting plate 263. The sixth mounting plate 263 is movably mounted on the bottom of the first mounting plate 260 in the front and back direction. A seventh mounting plate 264 is mounted on the rear side of the first mounting plate 260. A rotatable third screw rod 265 is mounted on the seventh mounting plate 264. The third screw rod 265 is threadedly connected to the sixth mounting plate 263. The second mounting plate 270 is movably mounted on the bottom of the sixth mounting plate 263 in the left and right direction. An eighth mounting plate 266 is provided on the right side of the second mounting plate 270. A rotatable fourth screw rod 267 is mounted on the eighth mounting plate 266. The fourth screw rod 267 is threadedly connected to the sixth mounting plate 263. When it is necessary to adjust the left and right position of the second positioning member 230, rotate the fourth screw rod 267 to move the second mounting plate 270 left and right relative to the sixth mounting plate 263. When it is necessary to adjust the front and back position of the second positioning member 230, rotate the third screw rod 265, and the sixth mounting plate 263 moves back and forth relative to the first mounting plate 260. The sixth mounting plate 263 drives the second positioning member 230 on the second mounting plate 270 to move back and forth.

[0047] In a further embodiment of the present invention, as Figure 7 shown, the first positioning member 210 is movably mounted on the moving seat 250 in the up and down direction to adjust the cutting depth of the milling cutter 220 by the up and down position of the first positioning member 210.

[0048] In a further embodiment of the present utility model, as Figure 7 shown, the milling assembly 200 further includes a third mounting plate 280 and a fourth mounting plate 290. The third mounting plate 280 is movably mounted on the moving seat 250 in the vertical direction. The front end of the fourth mounting plate 290 is rotatably mounted on the third mounting plate 280. The first positioning member 210 is disposed at the bottom of the rear end of the fourth mounting plate 290. The third mounting plate 280 is provided with a rotatable first screw 281 and a second screw 282. The first screw 281 is located between the front and rear ends of the fourth mounting plate 290 and penetrates downward through the fourth mounting plate 290. A first spring 291 is disposed between the portion of the first screw 281 below the fourth mounting plate 290 and the bottom of the fourth mounting plate 290. The bottom of the second screw 282 is located behind the hinge joint 283 between the fourth mounting plate 290 and the third mounting plate 280 and abuts against the top of the fourth mounting plate 290. By providing a first spring 291 between the fourth mounting plate 290 and the first screw 281, the fourth mounting plate 290 is kept rotating upward, and by providing a second screw 282, the second screw 282 blocks the fourth mounting plate 290 from rotating upward. When it is necessary to adjust the inclination angle of the first positioning member 210, the second screw 282 is rotated to move the second screw 282 downward or upward, so that the bottom surface of the first positioning member 210 is inclined, so as to adapt the milling mechanism to different plates 500.

[0049] In some embodiments of the present utility model, as Figure 1 、 8 、9 shown, it further includes a support frame 400. A second guide rod 410 is provided on the support frame 400. The fixed seat 100 is slidably connected to the second guide rod 410. A rotatable first screw rod 420 is provided at the top of the support frame 400. A second spring 430 is disposed between the first screw rod 420 and the fixed seat 100. The first screw rod 420 is used to drive the fixed seat 100 to move up and down. By providing a first screw rod 420, the first screw rod 420 is rotated, and the first screw rod 420 drives the fixed seat 100 to move up and down on the second guide rod 410 through the second spring 430, and by providing a second spring 430 between the first screw rod 420 and the fixed seat 100, the plate 500 is elastically pressed.

[0050] In a further embodiment of the present utility model, a scraping blade 232 is installed on the outer side of the runner, so that when the runner rotates, the scraping blade 232 scrapes off the glue on the runner surface.

[0051] In the description of this specification, the descriptions with reference to terms such as "some embodiments" or "it is conceivable that" mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0052] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present utility model, and the scope of the present utility model is defined by the claims and their equivalents.

Claims

1. A profiling milling mechanism, characterized in that, Comprising: Fixed seat; Milling component, which is movably mounted on the fixed seat in the left-right direction. The milling component includes a first positioning member, a milling cutter, a second positioning member, and a first driving device for driving the milling cutter to rotate. The first positioning member and the milling cutter are spaced apart in the left-right direction of the fixed seat. The first positioning member can abut against the upper end surface of the plate. The second positioning member is located below the milling cutter. There is a height overlap between the second positioning member and the upper vertical surface of the plate. The milling cutter is used for milling the corner between the upper vertical surface and the upper end surface of the plate; Second driving device, which is mounted on the fixed seat and is used for driving the milling component to move left and right.

2. The profiling milling mechanism according to claim 1, characterized in that: The second positioning member is a runner, and the axis of the runner is perpendicular to the horizontal plane.

3. The profiling milling mechanism according to claim 2, wherein: The first driving device is a motor. The rotating shaft of the motor is connected with a tool clamping member for fixing the milling cutter on the rotating shaft. The tool clamping member is located at the bottom of the milling cutter. The runner has an avoidance cavity with an upper opening, and the tool clamping member is embedded in the avoidance cavity.

4. The profiling milling mechanism according to claim 1, characterized in that: The milling component further includes a moving seat. The first positioning member, the second positioning member, and the first driving device are all mounted on the moving seat. A plurality of first guide rods are provided on the fixed seat. The moving seat is movably mounted on the fixed seat and is slidably connected with the first guide rods. The second driving device is mounted on the fixed seat and is connected with the moving seat. The second driving device is used for driving the moving seat to move left and right.

5. The profiling milling mechanism according to claim 4, wherein: The milling component further includes a fifth mounting plate. The first driving device is mounted on the fifth mounting plate. The fifth mounting plate has a first sinking groove and a second sinking groove for guiding the rotation of the fifth mounting plate. The second sinking groove is located above the first sinking groove. Screws are installed in both the first sinking groove and the second sinking groove. The fifth mounting plate is fixed on the moving seat by screws; When the screws on the first sinking groove and the screws on the second sinking groove are both loosened, the fifth mounting plate can rotate relative to the moving seat between a first position and a second position with the screws on the first sinking groove as the rotation axis. When the fifth mounting plate is in the first position, the screws in the second sinking groove are located at one end of the second sinking groove. When the fifth mounting plate is in the second position, the screws in the second sinking groove are located at the other end of the second sinking groove.

6. The profiling milling mechanism according to claim 4, characterized in that: The milling component further includes a first mounting plate and a second mounting plate. The second positioning member is mounted on the second mounting plate. The first mounting plate is movably mounted on the moving seat in the up-down direction. The second mounting plate is movably mounted on the first mounting plate in the left-right direction and in the front-back direction.

7. The profiling milling mechanism according to claim 4, characterized in that: The first positioning member is movably mounted on the moving seat in the up-down direction.

8. The profiling milling mechanism according to claim 7, wherein: The milling assembly further includes a third mounting plate and a fourth mounting plate. The third mounting plate is movably mounted on the moving seat in the up-and-down direction. The front end of the fourth mounting plate is rotatably mounted on the third mounting plate. The first positioning member is disposed at the bottom of the rear end of the fourth mounting plate. The third mounting plate is provided with a rotatable first screw and a second screw. The first screw is located between the front and rear ends of the fourth mounting plate and penetrates through the fourth mounting plate downward. A first spring is disposed between the portion of the first screw below the fourth mounting plate and the bottom of the fourth mounting plate. The bottom of the second screw is located behind the hinge joint between the fourth mounting plate and the third mounting plate and abuts against the top of the fourth mounting plate.

9. The profiling milling mechanism according to claim 1, characterized in that: It further includes a support frame. A second guide rod is disposed on the support frame. The fixed seat is slidably connected to the second guide rod. A rotatable first screw rod is provided at the top of the support frame. A second spring is disposed between the first screw rod and the fixed seat. The first screw rod is used to drive the fixed seat to move up and down.

10. The profiling milling mechanism according to claim 2, characterized in that: Scrapers are mounted on the outer side of the runner.

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