Accessory milling processing equipment for environmental protection

Abstract

The present invention belongs to the technical field of accessory milling processing, and in particular, is an accessory milling processing equipment for environmental protection. The following scheme is proposed, including a base, a lifting frame is provided on the base, a shaft sleeve is rotatably connected in the lifting frame, the top end of the shaft sleeve is transmission-connected to a motor, the bottom end of the shaft sleeve is detachably connected to a milling cutter head, a cleaning assembly is provided on one side of the milling cutter head, the cleaning assembly is provided with a cleaning pipe close to the milling cutter head, the top end of the cleaning pipe is connected to a connecting pipe, a spring is connected between the top of the outer wall of the connecting pipe and the lifting frame, the bottom end of the cleaning pipe is sealed, a plurality of spray holes are provided on the side of the cleaning pipe facing the milling cutter head, and a plurality of grooves are provided on the side of the cleaning pipe facing the milling cutter head. The present invention uses the blocking and pulling of the cleaning pipe and the cutting and pulling of the blade in the groove, in combination with water spraying, to pull out the wire scraps wrapped around the surface of the milling cutter head, so as to avoid affecting the accuracy of subsequent milling, thereby improving the quality of the milled product.

Description

Technical Field

[0001] The present invention relates to the technical field of accessories milling processing, in particular to an accessories milling processing device for environmental protection. Background Art

[0002] In modern industrial production, the quality of accessories used for environmental protection has an important impact on the performance and efficiency of environmental protection equipment, and milling is a key process to improve the precision and quality of accessories.

[0003] Referring to the Chinese patent with patent publication number CN119328210A, an automatic milling processing equipment for tooth plates and a processing method thereof are disclosed, which relate to the field of tooth plate processing technology, including an installation base plate, support vertical plates are installed at both ends of the top wall of the installation base plate, and detachable collection components are installed at the upper ends of the outer walls of the two groups of support vertical plates. A lifting frame is provided at the top position of the outer walls of the two groups of support vertical plates, a translation component is installed at the bottom end of the inner wall of the lifting frame, and a third flat plate is provided at the bottom end of the translation component. A power tool holder is installed at the middle position of the bottom wall of the third flat plate, a milling tool is installed at the output end of the power tool holder, and electromagnets are installed at both ends of the bottom wall of the third flat plate.

[0004] The above disclosure is similar to the conventional method of vacuuming, which is to remove dust from the milling area of the accessory surface at the periphery of the milling cutter head. However, during the milling operation, debris often gets contaminated or entangled on the surface of the milling cutter head, which affects the quality of the milling operation. Summary of the Invention

[0005] Based on the technical problems of the background technology, the present invention proposes an accessory milling processing equipment for environmental protection.

[0006] The present invention proposes an accessory milling processing equipment for environmental protection, including a base, which is used to fix the milling accessories on the base, and a lifting frame is provided on the base, with a shaft sleeve rotatably connected in the lifting frame, the top end of the shaft sleeve is transmission-connected to a motor, and the bottom end of the shaft sleeve is detachably connected to a milling cutter head, a cleaning component is provided on one side of the milling cutter head, the cleaning component is provided with a cleaning pipe close to the milling cutter head, the top end of the cleaning pipe is connected to a connecting pipe, a spring is connected between the top of the outer wall of the connecting pipe and the lifting frame, the bottom end of the cleaning pipe is sealed, a plurality of spray holes are provided on the side of the cleaning pipe facing the milling cutter head, a plurality of grooves are provided on the side of the cleaning pipe facing the milling cutter head, a horizontally placed blade is fixed on the inner wall of the groove, and the blade is embedded in the groove.

[0007] Preferably, the top end of the connecting pipe is connected to a connecting pipe with a hose structure, a slider is fixed to the top of the outer wall of the connecting pipe, and a spring is fixed between one end close to the connecting pipe and the slider. An L-shaped limit frame is installed under the lifting frame, and a sliding hole corresponding to the position of the connecting pipe is opened at the bottom of the limit frame. Two vertically extending limit bars are fixed to the side of the limit frame, and the slider is in sliding contact with the side wall of the limit frame and the two limit bars.

[0008] Preferably, the end positions of the connecting tube and the cleaning tube that are close to each other are both extended horizontally, a connecting box is provided between the connecting tube and the cleaning tube, one end of the connecting tube is fixedly connected to one end of the connecting box, a through hole is provided at the end of the connecting box close to the cleaning tube, the outer wall of the cleaning tube is in sliding contact with the inner wall of the through hole, a sliding sleeve is provided on the outer wall of the cleaning tube close to the end of the connecting tube, a spring 2 is connected between the sliding sleeve and the inner wall of the connecting box, and the outer wall of the sliding sleeve is in sliding contact with the inner wall of the connecting box.

[0009] Preferably, the sliding sleeve is rotationally connected to the outer wall of the cleaning tube via a torsion spring, a protrusion is fixed on the outer wall of the cleaning tube near the sliding sleeve, and limiting blocks are fixed on both sides of the protrusion at the end of the sliding sleeve.

[0010] Preferably, positioning rings are installed on both sides of the outer wall of the connecting tube, and the inner wall of the positioning ring is slidably connected to a horizontally placed movable rod. The same positioning frame is installed between the two movable rods close to one end of the connecting box, and a magnetic block is installed in the positioning frame. The bottom end of the magnetic block is close to the top of the connecting box, and the magnetic block is magnetically adsorbed to the top of the sliding sleeve.

[0011] Preferably, a connecting ring is installed on the outer wall of the movable rod, and a spring three is connected between the connecting ring and the positioning ring.

[0012] Preferably, a contact block with a spherical structure is fixed to the end of the movable rod away from the magnetic block, a limiting member is provided on the side of the connecting tube away from the connecting box, the top of the limiting member is connected to an electric telescopic rod, and the limiting member is provided with an inclined surface toward the side of the contact block, and the inclined surface is inclined upward toward the side close to the contact block.

[0013] Preferably, the limiter is provided with a connecting block and an extrusion block, the connecting block is connected to the electric telescopic rod, the extrusion block is arranged at a side position of the connecting block close to the contact block, and the side of the extrusion block close to the contact block is arranged to be an inclined surface; a pressure sensor is connected between the extrusion block and the connecting block, and under normal conditions the contact block is in the middle position of the inclined surface, and the extrusion pressure between the extrusion block and the connecting block at this time is recorded as the initial extrusion pressure. After the lifting operation is completed, the monitoring value of the pressure sensor is obtained and adopted, and the electric telescopic rod is controlled to lift and lower the limiter according to the monitoring value until the monitoring value of the pressure sensor returns to the initial extrusion pressure.

[0014] Preferably, a distance measuring sensor is installed in the connection box near the connecting pipe, and the distance measuring sensor is used to monitor the distance between the sliding sleeve and the end of the connecting pipe in real time.

[0015] Preferably, for operations with a constant milling depth, the monitoring data of the pressure sensor and the distance sensor during the milling process are uploaded to the processor for comprehensive analysis. If the monitoring value of the distance sensor is lower than the reference value, there is too much debris on the surface of the surface milling cutter head and it needs to be actively cleaned. If the monitoring value of the pressure sensor is higher than the initial pressure value, that is, the magnetic block is squeezed and applied toward the limit part under the action of the magnetic attraction between the magnetic block and the sleeve, there may be too much debris on the surface of the surface milling cutter head and it needs to be actively cleaned.

[0016] The beneficial effects of the present invention are:

[0017] 1. In the present invention, the wire chips entangled on the surface of the milling cutter head are pulled out by the blocking and pulling of the cleaning tube and the cutting and pulling of the blade in the groove in combination with water spraying, thereby ensuring the cleanliness and effectiveness of the milling cutter head during the milling process, avoiding affecting the accuracy of subsequent milling, and thus improving the quality of the milled product.

[0018] 2. In the present invention, during the process of keeping the milling depth constant, the cleaning tube and the portion parallel to the milling cutter head will be brought into contact with the milling cutter head under the impact of the water flow, thereby pulling out the wire scraps entangled on the surface of the milling cutter head through the cleaning tube in a fixed position, thereby improving the actual cleaning effect of the milling cutter head during the milling process.

[0019] 3. In the present invention, the contact block, the movable rod and the magnetic block are pushed toward the cleaning tube by the limit member, thereby actively moving the cleaning tube toward or even fitting the direction of the milling cutter head, so as to actively clean the surface of the milling cutter head during the descending process, thereby improving the cleaning effect of the milling cutter head during the depth change process, thereby improving the milling quality during the depth change milling process.

[0020] 4. In the present invention, through the setting of the overall cleaning component and the monitoring setting of the pressure sensor and the distance sensor, the debris entanglement condition on the surface of the milling cutter head can be accurately and effectively judged, so that cleaning and adjustment can be carried out in time to ensure the milling accuracy of continuous milling operations and improve the quality of finished products. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall structure of an environmentally friendly accessories milling processing equipment proposed by the present invention;

[0022] Figure 2 This is a schematic structural diagram of a cleaning component of an environmentally friendly accessory milling processing device proposed by the present invention;

[0023] Figure 3This is a schematic diagram of the position structure of a limit frame of an environmentally friendly accessory milling processing equipment proposed by the present invention;

[0024] Figure 4 This is a schematic diagram of the position structure of a slider in an environmentally friendly accessory milling processing device proposed by the present invention;

[0025] Figure 5 This is a schematic diagram of the cleaning pipe structure of an environmentally friendly accessory milling processing equipment proposed by the present invention;

[0026] Figure 6 This is a schematic diagram of the internal structure of a connection box of an environmentally friendly accessory milling processing equipment proposed by the present invention;

[0027] Figure 7 This is a schematic diagram of the position structure of a sleeve of an environmentally friendly accessory milling processing equipment proposed by the present invention;

[0028] Figure 8 This is a schematic diagram of the movable rod position structure of an environmentally friendly accessory milling processing equipment proposed by the present invention.

[0029] In the figure: 1 base, 2 mounting frame, 3 lifting frame, 4 sleeve, 5 motor, 6 milling head, 7 cleaning assembly, 8 cleaning pipe, 801 spray hole, 802 groove, 9 connecting pipe, 10 spring 1, 11 blade, 12 limit frame, 121 limit strip, 13 connecting pipe, 14 slider, 15 connecting box, 16 sleeve, 17 spring 2, 18 protrusion, 19 limit block, 20 positioning ring, 21 movable rod, 22 positioning frame, 23 magnetic block, 24 connecting ring, 25 spring 3, 26 contact block, 27 limit member, 271 connecting block, 272 extrusion block, 28 electric telescopic rod. DETAILED DESCRIPTION

[0030] Example 1: Reference Figures 1-8, an accessory milling processing equipment for environmental protection, including a base 1, the base 1 is used to fix the accessories with milling, a mounting frame 2 is provided outside the base 1, a lifting frame 3 is provided on the mounting frame 2, the lifting frame 3 is connected to a lift, the lifting frame 3 is rotatably connected to a shaft sleeve 4 through a bearing, the top of the shaft sleeve 4 is connected to a motor 5, the bottom end of the shaft sleeve 4 is detachably connected to a milling cutter head 6 extending vertically downward, a cleaning component 7 is provided on one side of the milling cutter head 6, and the cleaning component 7 is provided with a cleaning pipe 8 close to the milling cutter head 6, cleaning The pipe 8 is arranged parallel to the extension direction of the milling cutter head 6. The top of the cleaning pipe 8 is connected to a connecting pipe 9 extending vertically upward. A spring 10 is connected between the top of the outer wall of the connecting pipe 9 and the lifting frame 3. The bottom end of the cleaning pipe 8 is sealed. A plurality of spray holes 801 are opened on the side of the cleaning pipe 8 facing the milling cutter head 6. A plurality of grooves 802 are provided on the side of the cleaning pipe 8 facing the milling cutter head 6. A horizontally placed blade 11 is fixed to the inner wall of the groove 802. The blade 11 is embedded in the groove 802 so that the blade 11 is in the groove 802. The cleaning tube 8 will not protrude from the outer side of the outer wall of the cleaning tube 8. When the milling cutter head 6 descends to perform milling operations on the accessories, the bottom end of the cleaning tube 8 will be against the surface of the accessories and in a close position close to the milling cutter head 6. As the milling cutter head 6 descends, the cleaning tube 8 brings the connecting tube 9 to squeeze the spring 10, and the top of the connecting tube 9 flows water inward to spray water from the spray hole 801 toward the surface of the milling cutter head 6. During the rotation process of the milling cutter head 6 for milling operations, ordinary debris that is not entangled in the milling cutter head 6 will be removed under the action of centrifugal force. , and the debris or wire scraps left the milling cutter head 6 under the impact of the water flow ejected from the nozzle hole 801, and the debris or wire scraps wrapped around the outside of the milling cutter head 6 will rotate close to the cleaning tube 8, thereby being blocked by the cleaning tube 8 and extending into the groove 802. Through the blocking and pulling of the cleaning tube 8 and the cutting and pulling of the blade 11 in the groove 802, the wire scraps wrapped around the surface of the milling cutter head 6 are pulled out in conjunction with the water spray, thereby ensuring the cleanliness and effectiveness of the milling process of the milling cutter head 6, avoiding affecting the accuracy of subsequent milling, and thus improving the quality of the milled product.

[0031] In the present invention, the top of the connecting pipe 9 is connected to a connecting pipe 13 of a hose structure, and a through-hole corresponding to the position of the connecting pipe 13 is provided on the lifting frame 3. A slider 14 is fixed to the top of the outer wall of the connecting pipe 9, and a spring 10 is fixed between one end close to the connecting pipe 9 and the slider 14. An L-shaped limit frame 12 is installed under the lifting frame 3, and a sliding hole corresponding to the position of the connecting pipe 9 is provided at the bottom of the limit frame 12. The outer wall of the connecting pipe 9 is in sliding contact with the inner wall of the sliding hole, and the slider 14 is located above the sliding hole. Two vertically extending limit bars 121 are fixed to the side of the limit frame 12, and the slider 14 is in sliding contact with the side wall of the limit frame 12 and the two limit bars 121. Therefore, through the limitation of the slider 14 and the connection of the spring 10, the cleaning pipe 8 and the connecting pipe 9 can move in the vertical direction, so as to ensure that the cleaning pipe 8 is close to the milling head 6 as the milling cutter head 6 descends.

[0032] In the present invention, the end positions of the connecting pipe 9 and the cleaning pipe 8 are both horizontally extended, and a connecting box 15 is provided between the connecting pipe 9 and the cleaning pipe 8. One end of the connecting pipe 9 is fixedly connected to one end of the connecting box 15. A through hole is opened at the end of the connecting box 15 close to the cleaning pipe 8. The outer wall of the cleaning pipe 8 is in sliding contact with the inner wall of the through hole. A sliding sleeve 16 is provided on the outer wall of the cleaning pipe 8 close to the end of the connecting pipe 9. A spring 17 is connected between the sliding sleeve 16 and the inner wall of the connecting box 15. The outer wall of the sliding sleeve 16 is in sliding contact with the inner wall of the connecting box 15. During the process of the milling depth remaining unchanged, water in the connecting pipe 9 enters the connecting box 15 and then enters the cleaning pipe 8 and is sprayed out from the spray hole 801. When the water in the connecting pipe 9 enters the connecting box 15, the cleaning pipe 8 and the part parallel to the milling cutter head 6 will be brought into contact with the milling cutter head 6 under the action of the water flow impact, so that the wire scraps wrapped around the surface of the milling cutter head 6 are pulled out through the cleaning pipe 8 in a fixed position, thereby improving the actual cleaning effect of the milling cutter head 6 during the milling process, thereby improving the milling effect and the quality of the finished product after milling.

[0033] In the present invention, the sleeve 16 is rotationally connected to the outer wall of the cleaning tube 8 by a torsion spring. A protrusion 18 is fixed to the outer wall of the cleaning tube 8 near the sleeve 16. The end of the sleeve 16 is fixed with limit blocks 19 on both sides of the protrusion 18. When the cleaning tube 8 is close to the milling cutter head 6, the milling cutter head 6 rotates close to the cleaning tube 8 with the entangled wire chips. The wire chips can deflect the cleaning tube 8 to a certain extent to buffer the direct impact force, and then the wire chips gradually separate from the milling cutter head 6 during the subsequent deflection of the cleaning tube 8. After separation or when the wire chips are away from the cleaning tube 8, the cleaning tube 8 is reset under the action of the torsion spring, thereby improving the cleaning effect of the wire chips entangled on the surface of the milling cutter head 6 by the swinging cleaning tube 8.

[0034] In the present invention, positioning rings 20 are installed on both sides of the outer wall of the connecting pipe 9, and the inner wall of the positioning ring 20 is slidably connected with a horizontally placed movable rod 21. The same positioning frame 22 is installed between the two movable rods 21 at one end close to the connecting box 15, and a magnetic block 23 is installed in the positioning frame 22. The bottom end of the magnetic block 23 is close to the top of the connecting box 15, and the magnetic block 23 is magnetically attracted to the top of the sliding sleeve 16. A connecting ring 24 is installed on the outer wall of the movable rod 21, and a spring 25 is connected between the connecting ring 24 and the positioning ring 20. A contact block 26 with a spherical structure is fixed on the end of the movable rod 21 away from the magnetic block 23. A limiting member 27 is provided on the side of the connecting pipe 9 away from the connecting box 15. The top of the limiting member 27 is connected to an electric telescopic rod 28, which is fixed between the electric telescopic rod 28 and the limiting frame 12. The side of the limiting member 27 facing the contact block 26 is set into an inclined surface, and the inclined surface faces the contact block 2 One side of 6 is inclined upward. During the continuous milling and changing milling depth process on the same accessory, especially for the increase in milling depth during the milling process, it is easy to cause the surface debris of the milling cutter head 6 to fall before it is thrown out, thereby affecting the milling accuracy. In the design of this application, when the lifting frame 3 descends with the milling cutter head 6, the bottom end of the cleaning tube 8 is always limited by the surface of the accessory, so that the cleaning tube 8 and the connecting tube 9 move upward relative to the limit frame 12. At this time, the contact block 26 contacts the inclined surface and moves upward, thereby pushing the contact block 26, the movable rod 21 and the magnetic block 23 toward the cleaning tube 8 through the limit member 27, thereby actively moving the cleaning tube 8 close to or even fitting the direction of the milling cutter head 6, so as to actively clean the surface of the milling cutter head 6 during the descent process, so as to improve the cleaning effect of the milling cutter head 6 during the depth change process, thereby improving the milling quality during the depth change milling process.

[0035] In the present invention, the limiter 27 is provided with a connecting block 271 and an extrusion block 272. The connecting block 271 is connected to the electric telescopic rod 28. The extrusion block 272 is provided on the side of the connecting block 271 close to the contact block 26, and the side of the extrusion block 272 close to the contact block 26 is provided with an inclined surface, which is inclined upward toward the side close to the contact block 26. A pressure sensor is connected between the extrusion block 272 and the connecting block 271. Under normal conditions, the contact block 26 is in the middle position of the inclined surface, and the extrusion force between the extrusion block 272 and the connecting block 271 at this time is recorded as the initial extrusion force. Force, when the milling depth changes, the milling head 6 will be controlled to rise and fall, and the pressure at the corresponding position of the pressure sensor will change; after the lifting operation is completed, the monitoring value of the pressure sensor is obtained and adopted, and the electric telescopic rod 28 is controlled to move with the limiter 27 according to the monitoring value until the monitoring value of the pressure sensor is restored to the initial extrusion pressure; so that after a single milling depth change of the milling head 6, the magnetic block 23 can still actively move with the cleaning tube 8 to perform active cleaning operations during the next depth change process, thereby improving the milling effect of the equipment for continuous long-term milling operations.

[0036] Example 2: Reference Figures 1-8 , a milling processing equipment for accessories used for environmental protection, based on Example 1, a distance measuring sensor is installed in the connection box 15 near the connecting pipe 9, and the distance measuring sensor is used to monitor the distance between the sliding sleeve 16 and the end of the connecting pipe 9 in real time. Under normal conditions or when the cleaning pipe 8 is close to the milling cutter head 6, the monitoring data of the distance measuring sensor will be greater than the reference value. However, when there are too many debris or wire scraps on the surface of the milling cutter head 6 and it is difficult to clean them quickly, the milling cutter head 6 rotates to a position close to the cleaning pipe 8, which not only deflects the cleaning pipe 8, but also squeezes the cleaning pipe 8 toward the connecting pipe 9 after the cleaning pipe 8 deflects to the maximum angle, causing the spring 2 17 to be compressed, that is, the monitoring value of the distance measuring sensor decreases and is lower than the reference value. At this time, the milling cutter head 6 needs to be raised to separate it from the accessory, and the milling operation can be continued after the milling cutter head 6 is actively cleaned, thereby improving the milling effect.

[0037] In the present invention, for operations with a constant milling depth, the monitoring data of the pressure sensor and the distance sensor during the milling process are uploaded to the processor for comprehensive analysis. If the monitoring value of the distance sensor is lower than the reference value, there is too much debris on the surface of the surface milling cutter head 6 and it needs to be actively cleaned. If the monitoring value of the pressure sensor is higher than the initial pressure value, that is, the magnetic block 23 is squeezed and applied toward the limit member 27 under the action of the magnetic attraction between it and the sleeve 16, there may be too much debris on the surface of the surface milling cutter head 6 and it needs to be actively cleaned. Through the setting of the overall cleaning component 7 and the monitoring setting of the pressure sensor and the distance sensor, the debris entanglement condition on the surface of the milling cutter head 6 can be accurately and effectively judged, so that timely cleaning and adjustment can be made to ensure the milling accuracy of continuous milling operations and improve the quality of finished products.

[0038] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. An environmentally friendly accessory milling processing device, comprising a base (1), the base (1) being used for fixing accessories to be milled, a lifting frame (3) being provided on the base (1), a shaft sleeve (4) being rotatably connected to the lifting frame (3), a motor (5) being transmission-connected to the top end of the shaft sleeve (4), and a milling cutter head (6) being detachably connected to the bottom end of the shaft sleeve (4), characterized in that: A cleaning assembly (7) is provided on one side of the milling cutter head (6), and the cleaning assembly (7) is provided with a cleaning tube (8) close to the milling cutter head (6). The top of the cleaning tube (8) is connected to a connecting tube (9), and a spring (10) is connected between the top of the outer wall of the connecting tube (9) and the lifting frame (3). The bottom end of the cleaning tube (8) is sealed, and a plurality of spray holes (801) are provided on the side of the cleaning tube (8) facing the milling cutter head (6). A plurality of grooves (802) are provided on the side of the cleaning tube (8) facing the milling cutter head (6), and a horizontally placed blade (11) is fixed on the inner wall of the groove (802). The blade (11) is embedded in the groove ( 802), the end positions of the connecting pipe (9) and the cleaning pipe (8) close to each other are horizontally extended, a connecting box (15) is provided between the connecting pipe (9) and the cleaning pipe (8), one end of the connecting pipe (9) is fixedly connected to one end of the connecting box (15), a through hole is provided at one end of the connecting box (15) close to the cleaning pipe (8), the outer wall of the cleaning pipe (8) is in sliding contact with the inner wall of the through hole, a sliding sleeve (16) is provided at one end of the outer wall of the cleaning pipe (8) close to the connecting pipe (9), a spring 2 (17) is connected between the sliding sleeve (16) and the inner wall of the connecting box (15), and the outer wall of the sliding sleeve (16) is in sliding contact with the inner wall of the connecting box (15). , positioning rings (20) are installed on both sides of the outer wall of the connecting pipe (9), and a horizontally placed movable rod (21) is slidably connected to the inner wall of the positioning ring (20), and a same positioning frame (22) is installed between the two movable rods (21) at one end close to the connection box (15), and a magnetic block (23) is installed in the positioning frame (22), and the bottom end of the magnetic block (23) is close to the top of the connection box (15), and the magnetic block (23) is magnetically adsorbed to the top of the sliding sleeve (16), and a connecting ring (24) is installed on the outer wall of the movable rod (21), and a spring three (25) is connected between the connecting ring (24) and the positioning ring (20), and the movable rod (21) is away from the magnetic A contact block (26) with a spherical structure is fixed to one end of the block (23); a limiting member (27) is provided on the side of the connecting pipe (9) away from the connecting box (15); a motorized telescopic rod (28) is connected to the top of the limiting member (27); a side of the limiting member (27) facing the contact block (26) is provided with an inclined surface, and the inclined surface is inclined upward toward the side close to the contact block (26); the sliding sleeve (16) and the outer wall of the cleaning pipe (8) are rotatably connected by a torsion spring; a protrusion (18) is fixed to the outer wall of the cleaning pipe (8) near the sliding sleeve (16); and limiting blocks (19) are fixed on both sides of the end of the sliding sleeve (16) located at the protrusion (18).

2. The environmentally friendly milling equipment for accessories according to claim 1, characterized in that: The top of the connecting pipe (9) is connected to a connecting pipe (13) of a hose structure, a slider (14) is fixed to the top of the outer wall of the connecting pipe (9), and a spring (10) is fixed between one end close to the connecting pipe (9) and the slider (14). An L-shaped limit frame (12) is installed below the lifting frame (3), and a sliding hole corresponding to the position of the connecting pipe (9) is opened at the bottom of the limit frame (12). Two vertically extending limit bars (121) are fixed to the side of the limit frame (12), and the slider (14) is in sliding contact with the side wall of the limit frame (12) and the two limit bars (121).

3. The environmentally friendly accessory milling equipment according to any one of claims 1 to 2, characterized in that: The limiting member (27) is provided with a connecting block (271) and an extrusion block (272), the connecting block (271) is connected to the electric telescopic rod (28), the extrusion block (272) is provided at a side of the connecting block (271) close to the contact block (26), and the side of the extrusion block (272) close to the contact block (26) is provided as an inclined surface; A pressure sensor is connected between the extrusion block (272) and the connection block (271). Under normal conditions, the contact block (26) is located in the middle of the inclined surface. The extrusion force between the extrusion block (272) and the connection block (271) at this time is recorded as the initial extrusion force. After the lifting operation is completed, the monitoring value of the pressure sensor is obtained and used to control the electric telescopic rod (28) to move up and down with the limiter (27) according to the monitoring value until the monitoring value of the pressure sensor returns to the initial extrusion force.

4. The environmentally friendly milling equipment for accessories according to claim 3, characterized in that: A distance measuring sensor is installed in the connection box (15) at a position close to the connecting pipe (9), and the distance measuring sensor is used to monitor the distance between the sliding sleeve (16) and the end of the connecting pipe (9) in real time.

5. The environmentally friendly milling equipment for accessories according to claim 4, characterized in that: For operations with a constant milling depth, the monitoring data of the pressure sensor and the distance sensor during the milling process are uploaded to the processor for comprehensive analysis. If the monitoring value of the distance sensor is lower than the reference value, it indicates that there are too many chips on the surface of the milling cutter head (6) and it needs to be actively cleaned. If the monitoring value of the pressure sensor is higher than the initial pressure value, that is, the magnetic block (23) is squeezed and applied toward the limit member (27) under the action of the magnetic attraction between the magnetic block and the sleeve (16), it indicates that there are too many chips on the surface of the milling cutter head (6) and it needs to be actively cleaned.

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