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CN-122007481-A - Chamfering and milling method for metal plate

CN122007481ACN 122007481 ACN122007481 ACN 122007481ACN-122007481-A

Abstract

The invention discloses a chamfering and milling method for metal plates, which relates to the technical field of chamfering and milling, and comprises the following and milling steps of S1, enabling a bevel gear milling cutter to self-adapt to profile changes of four side edges in a circle of plate rotation through a profiling plate and an elastic following assembly, completing chamfering and molding of upper edges and lower edges of all the side edges at one time, S2, evenly milling, enabling cutting points to periodically migrate on a conical surface through a concave-convex sliding block and a sliding separation assembly, achieving even abrasion distribution and chip breakage, S3, fixing at multiple points, and achieving overall adsorption and fixation of the plate through distributed negative pressure formed between a plurality of supporting cylinders and the plate through cooperation of a pressing groove and a pressing block. The method can finish chamfering of the upper edge and the lower edge of the four edges of the plate at one time, avoid repeated clamping errors, improve machining efficiency, realize uniform abrasion and stable cutting of the cutter, effectively inhibit machining vibration through multipoint negative pressure absorption, and improve chamfering quality.

Inventors

  • Yi Cidong
  • AN LIANG
  • BI ZHONGHUA

Assignees

  • 徐州新亿瑞机械制造有限公司

Dates

Publication Date
20260512
Application Date
20260326

Claims (10)

  1. 1. The chamfering and milling method for the metal plate is characterized by comprising the following steps of: S1, following milling, namely placing a plate (303) to be processed on a driving seat (302), starting a motor II (308) to drive a bevel gear milling cutter (310) to cut into the edge of the plate to a preset depth, then starting a motor I (301) to drive a profile plate (304) to rotate synchronously with the plate, enabling a following rod (306) to always attach to the edge of the profile plate (304) through an elastic following component, converting radial change of the profile plate profile into advancing and retreating movement of the following rod, driving the bevel gear milling cutter to continuously adapt to profile change of four side edges of the bevel gear milling cutter within one circle of rotation of the plate, and finishing chamfering molding of all side edges at one time; S2, uniform milling, in the process of following milling, a concave-convex sliding block (408) at the bottom of a following rod (306) drives the bearing rod to periodically lift, and by means of the cooperation of a tension spring (407) and a slope of a supporting rod (307), the supporting rod generates secondary micro-amplitude front-rear displacement, the displacement is transmitted to a trigger rod (412) through a first connecting rod (410) and a second connecting rod (411), a conical trigger head (414) of the trigger rod slides in a semicircular groove (404), the supporting frame (402) is extruded to overcome the elasticity of the second spring (403), and two spline sleeves (401) are forced to reversely slide along a spline section of a rotating shaft (309), so that the upper and lower bevel milling cutters are periodically separated and closed while continuously rotating and milling, and the cutting points periodically migrate on the conical surface of the bearing rod to realize uniform wear distribution and chip breakage; s3, multipoint fixing, wherein in the initial stage of rotation of the driving seat (302), a pressing down groove (505) fixed on the chassis (504) is in inclined surface contact with a pressing down block (507) on the milling table (1), the chassis (504) is forced to move downwards against the elastic force of a spring III (508), a plurality of pull rods (503) are driven to synchronously pull down the supporting cylinder (502) so that a sealing pad (509) at the top of the supporting cylinder is attached to the bottom surface of a plate to form a closed cavity, and in the continuous rotation process of the driving seat (302), the pressing down block (507) is clamped into the pressing down groove (505) to maintain a pressing down state, and distributed negative pressure is formed between the supporting cylinders (502) and the plate to realize the whole-area adsorption fixing of the plate.
  2. 2. The method for chamfering and milling a metal plate according to claim 1, wherein in the step S1, the elastic following assembly includes a sliding column (311), a first spring (312) and a pressing block (313), and the pressing block (313) always presses the following rod (306) under the action of the elastic force of the first spring (312) so as to keep the following rod in a close contact state during the rotation of the profiling plate (304), thereby realizing the radial advancing and retreating movement of the bevel gear milling cutter (310).
  3. 3. The chamfering and milling method of metal plates according to claim 1 or 2, wherein in the step S2, a sliding lifting assembly is adopted, the sliding lifting assembly comprises a supporting seat (405), a limiting groove (406), a tension spring (407), a concave-convex sliding block (408) and a lifting groove (409), the supporting rod (307) is driven to generate secondary micro-amplitude displacement by lifting on a wavy track on the surface of the concave-convex sliding block (408) through a following rod (306), and a trigger rod (412) is further controlled to drive the bevel gear milling cutter (310) to axially slide.
  4. 4. The chamfering and milling method for the metal plate according to claim 1 is characterized by comprising a milling table (1) which is used, wherein an inner cavity (2) is formed in the milling table (1), a driving seat (302) is rotatably connected to the inner wall of the bottom of the milling table (1), a machining plate (303) is placed on the top of the driving seat (302), and bevel milling cutters (310) are respectively arranged at the upper edge and the lower edge of one side of the machining plate (303); The inner wall of the inner cavity (2) is provided with a following forming part (3), the following forming part (3) comprises a first motor (301) fixedly installed on the inner wall of the bottom of the inner cavity (2), a cam (304) is fixedly connected to the outer wall of an output shaft at one end of the first motor (301), an output shaft at one end of the first motor (301) is fixedly connected to the bottom of a driving seat (302), a sliding groove (305) is formed in the inner wall of the top of the inner cavity (2) in a penetrating mode, the inner wall of the sliding groove (305) is in fit sliding connection with a following rod (306), the outer wall of the following rod (306) is in fit sliding connection with the outer wall of the cam (304) through an elastic following component, and when the cam (304) rotates, two oppositely arranged bevel milling cutters (310) move forwards and backwards in the radial direction through the elastic following component; the milling device is characterized by further comprising a uniform milling component (4), wherein the uniform milling component (4) comprises spline sleeves (401) which are fixedly connected with the interiors of two bevel milling cutters (310) respectively, the outer walls of the two spline sleeves (401) are provided with sliding separation assemblies, the top of the following rod (306) is provided with a supporting rod (307), one end of the bottom side of the supporting rod (307) is provided with an inclined surface, when the profiling plate (304) rotates, the following rod (306) drives the supporting rod (307) to move back and forth for the second time through the sliding lifting assembly, and at the moment, the two bevel milling cutters (310) are separated up and down through the sliding separation assemblies.
  5. 5. The method of claim 4, wherein the spring follower assembly comprises: The sliding column (311), the both ends fixed connection of sliding column (311) is provided with first (312) of spring in the inner wall of sliding tray (305) and the laminating of the outer wall of sliding column (311), the one end fixed connection of first (312) of spring is at the inner wall of sliding tray (305), and the other end fixed connection of first (312) of spring supports briquetting (313), the inner wall sliding connection of supporting briquetting (313) is at the outer wall of sliding column (311), one end of supporting briquetting (313) supports the outer wall of pressing setting at follower (306) through first (312) of spring.
  6. 6. The chamfering and milling method for metal plates according to claim 5, wherein a second motor (308) is fixedly installed on the top of the supporting rod (307), and an output shaft of one end of the second motor (308) is fixedly connected with a rotating shaft (309) corresponding to the two bevel gear milling cutters (310).
  7. 7. The method of claim 6, wherein the sliding separation assembly comprises: The two support frames (402), two support frames (402) respectively with two spline sleeve (401) keep away from mutually the end outer wall rotate and be connected, the inner wall of spline sleeve (401) with the outer wall of pivot (309) is spline sliding connection, one side outer wall fixedly connected with connecting rod (410) of following pole (306), another tip fixedly connected with connecting rod (411) of connecting rod (410), the both ends outer wall rotation of pivot (309) is connected with mounting bracket (413), one side fixedly connected with trigger lever (412) of connecting rod (411) orientation mounting bracket (413), the inner wall of mounting bracket (413) with the outer wall of trigger lever (412) is sliding connection, and semicircular groove (404) have been seted up respectively to one side correspondence trigger lever (412) that two support frames (402) are towards mutually, one end fixedly connected with trigger head (414) of connecting rod (411) are kept away from to trigger lever (412), and the appearance of trigger head (414) is the toper, the upper and lower side inner wall fixedly connected with spring (403) of mounting bracket (413) respectively, two opposite side of spring (403) are connected with respectively at two opposite side of support frames (402).
  8. 8. The method of claim 7, wherein the sliding elevator assembly comprises: The support seat (405), the top of support seat (405) with the one end downside of bracing piece (307) is fixed mutually, limit groove (406) has been seted up to the bottom inner wall of milling platform (1) corresponding to support seat (405), and the bottom laminating sliding connection of support seat (405) is at the inner wall of limit groove (406), the bottom of support seat (405) is the shape of falling T, the inner wall fixedly connected with extension spring (407) of limit groove (406), the other end fixedly connected with of extension spring (407) is kept away from one side of following pole (306) at support seat (405), the bottom inner wall fixedly connected with unsmooth slider (408) of inner chamber (2), the top of unsmooth slider (408) is the wave, the bottom laminating sliding connection of following pole (306) is at the top of unsmooth slider (408), the lateral wall of following pole (306) corresponds slide column (311) and runs through and has seted up elevating groove (409).
  9. 9. The metal plate chamfering milling method according to claim 8, wherein an adaptation fixing part (5) is arranged on the outer wall of the driving seat (302), the adaptation fixing part (5) comprises three supporting blocks (501) fixedly connected to the outer wall of the driving seat (302), supporting cylinders (502) are fixedly connected to the inner walls of the supporting blocks (501), pull rods (503) are slidably connected to the inner walls of the supporting cylinders (502), chassis (504) are fixedly connected to the bottoms of the three pull rods (503), the inner walls of the chassis (504) are slidably connected to the outer wall of the driving seat (302), mounting rods (506) are fixedly connected to the inner walls of the bottoms of the milling table (1), lower pressing blocks (507) are fixedly connected to one sides of the tops of the mounting rods (506), the bottoms of the lower pressing blocks (507) are in an inclined plane shape, and lower pressing grooves (505) are formed in the outer walls of one sides of the chassis (504) corresponding to the lower pressing blocks (507); The outer wall of the driving seat (302) is provided with a third spring (508), the bottom of the third spring (508) is fixedly connected to the inner wall of the bottom of the milling table (1), the top of the third spring (508) is arranged at the bottom of the chassis (504) in an extrusion mode, and sealing gaskets (509) are arranged at the top of the supporting cylinder (502).
  10. 10. A metal sheet chamfer milling method according to claim 1, characterized in that the top of the milling table (1) is fixedly equipped with a suction cleaner (6).

Description

Chamfering and milling method for metal plate Technical Field The invention relates to the technical field of chamfer milling, in particular to a metal plate chamfer milling method. Background The plate is widely used as a flat and multifunctional plate material, is widely obtained from raw materials such as wood, metal and the like through fine processing, and has excellent processing performance and use flexibility, so that the plate is widely applied to a plurality of fields such as chemical industry, container manufacturing, construction, metal products, metal structures and the like, however, in practical application, the plate is often cut into a specific shape according to requirements, but the process is often accompanied with the generation of sharp burrs at edges, so that the final use effect of the product is not only affected, but also potential safety hazards can be formed for operators. In view of this, carry out chamfering and polishing to panel edge and become the necessary link, aim at eliminating the burr, promote safety in utilization and pleasing to the eye degree. In the processing process of the plate, the existing chamfering equipment generally comprises a handheld chamfering machine and a workbench chamfering machine. The handheld chamfering machine is inconvenient to use, chamfering quality is guaranteed by manual operation, operation difficulty quality is difficult to guarantee, the polishing effect is difficult to guarantee corner uniformity, the workbench type chamfering machine is single-side chamfering equipment, after chamfering is carried out on the corner on one side, the corner on the other side is required to be chamfered after the plate is overturned, and for the plate needing to be chamfered on two sides or even four sides, an operator has to manually overturned, relocated and clamped for many times. The repeated operation is low in efficiency, accumulated positioning errors can be introduced in repeated clamping, the chamfering sizes of the edges of the plates are different, the symmetry is poor, and the precision manufacturing requirement for high consistency requirements cannot be met. Disclosure of Invention The invention aims to provide a chamfering and milling method for a metal plate, which aims to solve the problems in the prior art. In order to achieve the above object, the present invention provides a metal plate chamfer milling method, comprising the steps of: S1, following milling, namely placing a plate to be processed on a driving seat, starting a motor II to drive a bevel gear milling cutter to cut into the edge of the plate to a preset depth, then starting a motor I to drive a profile plate and the plate to synchronously rotate, enabling a following rod to always attach to the edge of the profile plate through an elastic following component, converting radial change of the profile plate into advancing and retreating movement of the following rod, driving the bevel gear milling cutter to continuously adapt to profile change of four sides of the bevel gear milling cutter within one circle of rotation of the plate, and finishing chamfering forming of the upper edge and the lower edge of all sides at one time; S2, uniform milling, in the process of follow milling, driving the concave-convex sliding block at the bottom of the follow rod to periodically lift, and enabling the support rod to generate secondary micro-amplitude front-back displacement by means of the cooperation of the tension spring and the inclined plane of the support rod, wherein the displacement is transmitted to the trigger rod through the first connecting rod and the second connecting rod, the conical trigger head of the trigger rod slides in the semicircular groove, the extrusion support frame overcomes the elasticity of the second spring, and forces the two spline sleeves to reversely slide along the spline section of the rotating shaft, so that the upper and lower bevel gear milling cutters perform periodic separation and close together while continuously rotating milling, and the cutting points periodically migrate on the conical surface of the upper and lower bevel gear milling cutters, so that uniform wear distribution and chip breakage are realized; And S3, multipoint fixing, wherein in the initial rotation stage of the driving seat, a pressing down groove fixed on the chassis contacts with a pressing down block inclined surface on the milling platform, so that the chassis is forced to move downwards against the three elastic forces of the springs, the plurality of pull rods are driven to synchronously pull down the supporting cylinders, the sealing pad at the top of the supporting cylinders is attached to the bottom surface of the plate to form a closed cavity, and in the continuous rotation process of the driving seat, the pressing down block is clamped into the pressing down groove to maintain a pressing down state, and distributed negative pressure is formed between the plurality