阅读说明：本技术 用于塑料门窗角缝清理的新型清角方式及结构 (Novel corner cleaning mode and structure for cleaning corner seams of plastic doors and windows ) 是由 越德辉 于 2020-10-29 设计创作，主要内容包括：本发明公开了用于塑料门窗角缝清理的新型清角方式及结构,主要涉及领域塑料门窗清角技术。包括清角结构；所述清角结构包括支撑架体、刀具组调控结构、清角伺服电机、清角刀具组合；刀具组调控结构包括X1轴位移调节结构、Z1轴位移调节结构和A主轴旋转机构；所述X1轴位移调节结构实现清角伺服电机、清角刀具组合沿X1轴的直线位移；所述Z1轴位移调节结构实现清角伺服电机、清角刀具组合沿Z1轴的直线位移；所述A主轴旋转机构实现清角伺服电机、清角刀具组合沿X1轴的旋转调整。本发明的有益效果在于：它机械机构简单,能够采用一个刀具组合一次性的对塑料门窗的框角角缝进行清理,大大提高了角缝清理效率。(The invention discloses a novel corner cleaning method and a novel corner cleaning structure for cleaning corner seams of plastic doors and windows, and mainly relates to the field of corner cleaning technology of plastic doors and windows. Comprises a corner cleaning structure; the corner cleaning structure comprises a support frame body, a cutter group regulating structure, a corner cleaning servo motor and a corner cleaning cutter combination; the cutter group regulating structure comprises an X1 axis displacement regulating structure, a Z1 axis displacement regulating structure and an A spindle rotating mechanism; the X1 axis displacement adjusting structure realizes the linear displacement of the corner cleaning servo motor and the corner cleaning cutter combination along the X1 axis; the Z1 axis displacement adjusting structure realizes the linear displacement of the corner cleaning servo motor and the corner cleaning cutter combination along the Z1 axis; the main shaft A rotating mechanism realizes the rotation adjustment of the corner cleaning servo motor and the corner cleaning cutter combination along an X1 axis. The invention has the beneficial effects that: the mechanical mechanism is simple, and the frame corner seam of the plastic door and window can be cleaned by adopting a cutter combination at one time, so that the corner seam cleaning efficiency is greatly improved.)

1. A novel structure for clearance of plastics door and window angle seam, its characterized in that: comprises a corner cleaning structure;

the corner cleaning structure comprises a support frame body (1), a cutter group regulating structure arranged on the support frame body (1), a corner cleaning servo motor (2) and a corner cleaning cutter combination; the cutter group regulating structure comprises an X1 axis displacement regulating structure, a Z1 axis displacement regulating structure and an A spindle rotating mechanism; the corner cleaning servo motor (2) drives the corner cleaning cutter assembly to rotate;

the X1 axis displacement adjusting structure realizes linear displacement of the corner cleaning servo motor (2) and the corner cleaning tool combination along an X1 axis;

the Z1 axis displacement adjusting structure realizes linear displacement of the corner cleaning servo motor (2) and the corner cleaning tool combination along the Z1 axis;

the main shaft A rotating mechanism realizes the rotation adjustment of the corner cleaning servo motor (2) and the corner cleaning cutter combination along an X1 axis.

2. The novel structure for cleaning the corner seams of plastic doors and windows according to claim 1, characterized in that: the corner cleaning cutter combination comprises a disc milling cutter (3) and an end milling cutter (4) which are coaxially arranged; the coaxially arranged disc milling cutter (3) and the end milling cutter (4) are driven to rotate by an output shaft of the chamfering servo motor (2).

3. The novel structure for cleaning the corner seams of plastic doors and windows according to claim 1, characterized in that: the angle cleaning servo motor (2) is fixed on a motor base (5), the motor base (5) is fixed on a main shaft A (6), the main shaft A rotating mechanism is arranged in a moving pipe (7), and the moving pipe (7) is driven by a displacement adjusting structure of an X1 shaft so as to linearly displace along an X1 shaft;

the A spindle rotating mechanism comprises a spindle motor (8) and a speed reducer; the spindle motor (8) drives the spindle A (6) to rotate through the speed reducer.

4. The novel structure for cleaning the corner seams of plastic doors and windows according to claim 3, characterized in that: the moving tube (7) is connected to a fixed tube (9) in a sliding mode, and the fixed tube (9) is driven by a Z1 axis displacement adjusting structure to perform linear displacement along a Z1 axis.

5. The novel structure for cleaning the corner seams of plastic doors and windows according to claim 4, characterized in that: the X1 shaft displacement adjusting structure comprises an X1 shaft servo motor (10), a driving gear (11) and an axial rack (12); the axial rack (12) is arranged on the moving pipe (7); the X1 axis servo motor (10) drives the driving gear (11) to rotate, and the driving gear (11) and the axial rack (12) are meshed through a gear rack transmission mechanism so as to drive the moving pipe (7) to linearly displace along the X1 axis.

6. The novel structure for cleaning the corner seams of plastic doors and windows according to claim 4, characterized in that: the Z1 shaft displacement adjusting structure comprises a Z1 shaft servo motor (13) and a lead screw and nut transmission mechanism; the screw rod and nut transmission mechanism comprises a driving screw rod (14) and a driven nut (15), and the fixed pipe (9) is connected with the driven nut (15) through a frame (16); a Z1-axis servo motor (13) drives a driving lead screw (14) to rotate, so that a driven nut (15) and a fixed pipe (9) are driven to linearly displace along a Z1 axis.

7. The novel structure for cleaning the corner seams of plastic doors and windows according to claim 1, characterized in that: the clamping positioning structure is also included; the clamping and positioning structure comprises a clamping workbench (17), two positioning corner blocks (18) and a clamping cylinder (19); clamping workstation (17) top surface sets up processing strip seam (20), two location angle piece (18) become 90 degrees contained angles and set up in processing strip seam (20) both sides, die clamping cylinder (19) are located clamping workstation (17) top, the cylinder body of die clamping cylinder (19) passes through link (21) to be fixed on supporting frame body (1).

8. The novel structure for cleaning the corner seams of plastic doors and windows according to claim 7, characterized in that: the positioning corner block (18) is provided with a sensing device, and the sensing device comprises a signaling rotating plate (22) on the outer side and a proximity switch (23) on the inner side.

9. A corner cleaning method for the novel structure of the corner seam cleaning of the plastic doors and windows as claimed in any one of claims 1 to 8, which is characterized in that: the method comprises the following steps:

the method comprises the following steps of cleaning welding slag of an outer corner sealing rubber strip groove, a frame outer corner, an inner corner sealing rubber strip groove and a frame inner corner:

s1, clamping and positioning one corner of the plastic door and window to be corner cleaned through a clamping and positioning structure, namely clamping and positioning two side edges of the top corner of the plastic door and window through two positioning corner blocks (18), and then tightly jacking through a clamping cylinder (19);

s2, starting a cutter set regulating structure of the corner cleaning structure to perform cutter setting;

s3, ensuring that the disc milling cutter (3) is horizontal and the end milling cutter (4) is vertical, and positioning the end milling cutter (4) below the disc milling cutter (3); the end mill (4) is aligned with the included angle of the outer corner sealant strip groove, and the end mill (4) is used for milling away the welding slag of the included angle of the outer corner sealant strip groove;

s4, controlling the displacement adjustment of the Z1 shaft to enable the corner cleaning servo motor (2) and the corner cleaning cutter combination to move upwards along the Z1 shaft, and retracting the end mill (4) from the outer corner sealing strip groove; then controlling the displacement adjustment of an X1 shaft to enable the disc milling cutter (3) to align to the outer corner of the frame body for chamfering; the displacement adjustment of an X1 axis and a Z1 axis is matched in the corner cleaning process until the lowest part of the outer corner of the frame body is cleaned;

s5, controlling the main shaft rotating mechanism A to enable the corner cleaning servo motor (2) and the corner cleaning cutter combination to rotate 180 degrees, enabling the disc milling cutter (3) to turn over to be horizontal and the end milling cutter (4) to be vertical, and enabling the end milling cutter (4) to be located above the disc milling cutter (3); through the displacement adjustment and control of an X1 axis and a Z1 axis, the welding slag of the inner corner sealing rubber strip groove is milled by using the tail end of an end mill (4), and the welding slag of the inner corner of the frame body is milled by using the side part of the end mill (4);

and (3) cleaning welding slag on the upper plane of the corner joint and the lower plane of the corner joint:

s6, the end mill (4) retracts from the inner corner of the frame by matching with the displacement adjustment of the Z1 axis and the X1 axis;

s7, controlling the A spindle rotating mechanism to enable the corner cleaning servo motor (2) and the corner cleaning cutter combination to rotate 90 degrees, and enabling the disc milling cutter (3) to turn over to be vertical and the end milling cutter (4) to be horizontal; through the displacement adjustment control of an X1 axis and a Z1 axis, welding slag on an upper plane and a lower plane of a plastic door and window corner joint is milled by using a disc milling cutter (3);

s8, the cutter combination is returned to zero through the displacement regulation control of the X1 axis and the Z1 axis and the rotation regulation control of the A main shaft (6);

and S9, replacing the top corner of the other plastic door and window to carry out corner cleaning according to the steps.

Technical Field

The invention relates to the technical field of corner cleaning of plastic doors and windows, in particular to a novel corner cleaning mode and a novel corner cleaning structure for cleaning corner seams of plastic doors and windows.

Background

In the prior art, the frame corners of plastic doors and windows (pvc doors and windows) are welded by hot melting. After the hot melting welding is carried out, the welding slag after the hot melting is formed at the welding seam, and after the welding slag after the hot melting is formed, the corner seam is required to be cleaned. And the inner corner sealant strip groove at the inner corner at the corner seam and the outer corner sealant strip groove at the outer corner are blocked by the welding slag after hot melting. Therefore, the welding slag in the two rubber strip grooves, the welding slag of the inner and outer corners of the window corner and the welding slag of the welding seams of the upper and lower planes at the window corner all need to be subjected to corner joint cleaning.

The existing angle joint cleaning equipment is characterized in that a multi-shaft cleaning cutter is respectively used for cleaning welding slag in two rubber strip grooves, welding slag at inner and outer corners of a window corner and welding slag on upper and lower planes at the window corner, multi-shaft linkage matching is adopted, the mechanical structure is complex, and the efficiency of the whole cleaning process is very low.

Disclosure of Invention

The invention aims to provide a novel corner cleaning mode and a novel corner cleaning structure for cleaning corner seams of plastic doors and windows, the mechanical mechanism is simple, a cutter combination can be adopted to clean the corner seams of the frame corners of the plastic doors and windows at one time, and the corner seam cleaning efficiency is greatly improved.

In order to achieve the purpose, the invention is realized by the following technical scheme:

the novel structure for cleaning the corner seams of the plastic doors and windows comprises a corner cleaning structure; the corner cleaning structure comprises a support frame body, a cutter group regulating and controlling structure arranged on the support frame body, a corner cleaning servo motor and a corner cleaning cutter combination; the cutter group regulating structure comprises an X1 axis displacement regulating structure, a Z1 axis displacement regulating structure and an A spindle rotating mechanism; the corner cleaning servo motor drives the corner cleaning cutter assembly to rotate; the X1 axis displacement adjusting structure realizes the linear displacement of the corner cleaning servo motor and the corner cleaning cutter combination along the X1 axis; the Z1 axis displacement adjusting structure realizes the linear displacement of the corner cleaning servo motor and the corner cleaning cutter combination along the Z1 axis; the main shaft A rotating mechanism realizes the rotation adjustment of the corner cleaning servo motor and the corner cleaning cutter combination along an X1 axis.

The corner cleaning cutter combination comprises a disc milling cutter and an end milling cutter which are coaxially arranged; the coaxially arranged disc milling cutter and the end milling cutter are driven to rotate by an output shaft of the angle cleaning servo motor.

The angle cleaning servo motor is fixed on a motor base, the motor base is fixed on a main shaft A, the main shaft A rotating mechanism is arranged in a moving pipe, and the moving pipe is driven by a displacement adjusting structure of an X1 shaft so as to linearly displace along an X1 shaft; the A spindle rotating mechanism comprises a spindle motor and a speed reducer; the spindle motor drives the spindle A to rotate through the speed reducer.

The movable tube is slidably connected to a fixed tube that is driven by a Z1 axis displacement adjustment mechanism for linear displacement along the Z1 axis.

The X1 shaft displacement adjusting structure comprises an X1 shaft servo motor, a driving gear and an axial rack; the axial rack is arranged on the movable pipe; the X1 axle servo motor drives the driving gear to rotate, thereby the linear displacement of the moving tube along the X1 axle is driven through the gear rack transmission mechanism of which the driving gear is meshed with the axial rack.

The Z1 shaft displacement adjusting structure comprises a Z1 shaft servo motor and a lead screw and nut transmission mechanism; the screw rod and nut transmission mechanism comprises a driving screw rod and a driven nut, and the fixed pipe is connected with the driven nut through a frame; the Z1 axis servo motor drives the driving lead screw to rotate, thereby driving the driven screw nut and the fixed pipe to linearly displace along the Z1 axis.

The clamping positioning structure is also included; the clamping and positioning structure comprises a clamping workbench, two positioning corner blocks and a clamping cylinder; the clamping worktable top surface is provided with a processing strip seam, the two positioning angle blocks form a 90-degree included angle and are arranged on two sides of the processing strip seam, the clamping cylinder is positioned above the clamping worktable, and the cylinder body of the clamping cylinder is fixed on the support frame body through the connecting frame.

The positioning corner block is provided with a sensing device, and the sensing device comprises a signaling rotating plate on the outer side and a proximity switch on the inner side.

A corner cleaning mode for cleaning a novel structure of a corner seam of a plastic door and window comprises the following steps:

the method comprises the following steps of cleaning welding slag of an outer corner sealing rubber strip groove, a frame outer corner, an inner corner sealing rubber strip groove and a frame inner corner:

s1, clamping and positioning one corner of the plastic door and window to be corner cleaned through a clamping and positioning structure, namely clamping and positioning two side edges of the top corner of the plastic door and window through two positioning corner blocks, and then tightly jacking through a clamping cylinder;

s2, starting a cutter set regulating structure of the corner cleaning structure to perform cutter setting;

s3, ensuring that the disc milling cutter is horizontal and the end milling cutter is vertical, and the end milling cutter is positioned below the disc milling cutter; aligning the end mill to the included angle of the outer corner sealing rubber strip groove, and milling welding slag of the included angle of the outer corner sealing rubber strip groove by using the end mill;

s4, controlling the displacement adjustment of the Z1 shaft to enable the corner cleaning servo motor and the corner cleaning cutter combination to move upwards along the Z1 shaft, and retracting the end mill from the outer corner sealing strip groove; then controlling the displacement adjustment of an X1 shaft to enable the disc milling cutter to align to the outer angle of the frame body for angle cleaning; the displacement adjustment of an X1 axis and a Z1 axis is matched in the corner cleaning process until the lowest part of the outer corner of the frame body is cleaned;

s5, controlling the A spindle rotating mechanism to enable the corner cleaning servo motor and the corner cleaning cutter to rotate 180 degrees, enabling the disc milling cutter to be turned over to be horizontal and the end milling cutter to be vertical, and enabling the end milling cutter to be located above the disc milling cutter; through the displacement adjustment and control of an X1 axis and a Z1 axis, the welding slag of the inner angle sealing rubber strip groove is milled by using the tail end of an end mill, and the welding slag of the inner angle of the frame body is milled by using the side part of the end mill;

and (3) cleaning welding slag on the upper plane of the corner joint and the lower plane of the corner joint:

s6, the end mill is retreated from the inner corner of the frame by matching with the displacement adjustment of the Z1 axis and the X1 axis;

s7, controlling the A spindle rotating mechanism to enable the corner cleaning servo motor and the corner cleaning cutter to rotate 90 degrees in a combined mode, and enabling the disc milling cutter to be turned over to be vertical and the end milling cutter to be horizontal; through the displacement adjustment control of an X1 axis and a Z1 axis, welding slag on an upper plane and welding slag on a lower plane of a plastic door and window corner joint are respectively milled by using a disc milling cutter;

s8, adjusting and controlling the displacement of the X1 axis and the Z1 axis and the rotation of the A main shaft to return the cutter combination to zero;

and S9, replacing the top corner of the other plastic door and window to carry out corner cleaning according to the steps.

Compared with the prior art, the invention has the beneficial effects that:

the corner cleaning structure of the device can clean a frame corner seam of a plastic door and window at one time through a cutter combination. The control of the corner cleaning work on the cutter combination is fully automatically controlled through an X1 axis displacement adjusting structure, a Z1 axis displacement adjusting structure and an A spindle rotating mechanism. The efficiency of plastics door and window angle seam clearance is improved.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic structural diagram of the present invention.

FIG. 3 is a schematic structural diagram of the present invention.

FIG. 4 is a schematic structural diagram of the present invention.

Fig. 5 is a schematic structural view of the clamping and positioning structure of the invention.

Fig. 6 is a schematic view and a partially enlarged view of the plastic door/window of the present invention.

Fig. 7 is a schematic view and a partially enlarged view of the plastic door/window of the present invention.

Reference numerals shown in the drawings:

1. a support frame body; 2. a corner cleaning servo motor; 3. a disc cutter; 4. an end mill; 5. a motor base; 6. a, a main shaft; 7. moving the tube; 8. a spindle motor; 9. a fixed tube; 10. an X1 axis servo motor; 11. a driving gear; 12. an axial rack; 13. a Z1 axis servo motor; 14. an active lead screw; 15. a driven nut; 16. a frame; 17. a clamping workbench; 18. positioning the corner block; 19. a clamping cylinder; 20. processing a strip seam; 21. a connecting frame; 22. a signal transmitting and converting board; 23. a proximity switch.

Detailed Description

The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.

The invention relates to a novel corner cleaning method and a novel corner cleaning structure for cleaning corner seams of plastic doors and windows, wherein the main structure comprises a corner cleaning structure; the corner cleaning structure comprises a support frame body 1, a cutter group regulating structure arranged on the support frame body 1, a corner cleaning servo motor 2 and a corner cleaning cutter combination; the cutter group regulating structure comprises an X1 axis displacement regulating structure, a Z1 axis displacement regulating structure and an A spindle rotating mechanism; the corner cleaning servo motor 2 drives the corner cleaning cutter assembly to rotate; the X1 axis displacement adjusting structure realizes the linear displacement of the corner cleaning servo motor 2 and the corner cleaning cutter combination along the X1 axis; the Z1 axis displacement adjusting structure realizes the linear displacement of the corner cleaning servo motor 2 and the corner cleaning cutter combination along the Z1 axis; the main shaft A rotating mechanism realizes the rotation adjustment of the corner cleaning servo motor 2 and the corner cleaning cutter combination along an X1 axis. The corner cleaning cutter combination comprises a disc milling cutter 3 and an end milling cutter 4 which are coaxially arranged; the coaxially arranged disc milling cutter 3 and end milling cutter 4 are driven to rotate by an output shaft of the chamfering servo motor 2.

A main shaft rotating mechanism: the angle cleaning servo motor 2 is fixed on a motor base 5, the motor base 5 is fixed on an A spindle 6, the A spindle rotating mechanism is arranged in a moving pipe 7, and the moving pipe 7 is driven by an X1 axis displacement adjusting structure to linearly displace along an X1 axis; the A spindle rotating mechanism comprises a spindle motor 8 and a speed reducer; the spindle motor 8 drives the rotation of the A spindle 6 through a speed reducer.

X1 axis displacement adjustment structure: the X1 shaft displacement adjusting structure comprises an X1 shaft servo motor 10, a driving gear 11 and an axial rack 12; the axial rack 12 is arranged on the moving pipe 7; the X1 axis servo motor 10 drives the pinion 11 to rotate, and drives the moving tube 7 to linearly displace along the X1 axis through a rack-and-pinion transmission mechanism in which the pinion 11 is meshed with the axial rack 12.

Z1 axis displacement adjustment structure: the moving tube 7 is slidably connected to a fixed tube 9, and the fixed tube 9 is driven by a Z1 axis displacement adjustment structure to be linearly displaced along a Z1 axis. Specifically, the method comprises the following steps: the Z1 shaft displacement adjusting structure comprises a Z1 shaft servo motor 13 and a lead screw and nut transmission mechanism; the screw rod and nut transmission mechanism comprises a driving screw rod 14 and a driven nut 15, and the fixed pipe 9 is connected with the driven nut 15 through a frame 16; the Z1 axis servo motor 13 drives the driving lead screw 14 to rotate, thereby driving the driven screw nut 15 and the fixed tube 9 to linearly displace along the Z1 axis.

In addition, the sliding connection positions of the X1 axis displacement adjusting structure and the Z1 axis displacement adjusting structure are all realized through the sliding connection between the guide sliding rail and the sliding block.

The clamping positioning structure is also included; the clamping and positioning structure comprises a clamping workbench 17, two positioning angle blocks 18 and a clamping cylinder 19; clamping worktable 17 top surface sets up processing strip seam 20, two location angle piece 18 become 90 degrees contained angles and set up in processing strip seam 20 both sides, die clamping cylinder 19 is located clamping worktable 17 top, die clamping cylinder 19's cylinder body passes through link 21 to be fixed on supporting frame body 1. The positioning corner block 18 is provided with a sensing device, and the sensing device comprises a transmitting rotating plate 22 at the outer side and a proximity switch 23 at the inner side.

A corner cleaning mode that is used for plastics door and window corner joint to clear up novel structure includes following step:

the method comprises the following steps of cleaning welding slag of an outer corner sealing rubber strip groove, a frame outer corner, an inner corner sealing rubber strip groove and a frame inner corner:

s1, clamping and positioning one corner of the plastic door and window to be corner cleaned through a clamping and positioning structure, namely clamping and positioning two side edges of the top corner of the plastic door and window through two positioning corner blocks 18, and then tightly jacking through a clamping cylinder 19; specifically, the method comprises the following steps: the door and window frames on the two sides of the plastic door and window are contacted with the two positioning corner blocks 18 on the clamping workbench 17, and the signaling rotating plate 22 on the positioning corner blocks 18 is pressed, so that the proximity switches 23 on the positioning corner blocks 18 are triggered; after the system receives the signal, the system determines that the plastic door and window to be chamfered is positioned, then controls the clamping cylinder 19 to tightly push the top surface of the plastic door and window, so that the plastic door and window is clamped and positioned by the clamping and positioning structure, and then the subsequent corner chamfering step is carried out.

S2, starting a cutter set regulating structure of the corner cleaning structure to perform cutter setting; specifically, the method comprises the following steps: the position of the cutter set is adjusted by adjusting and controlling the displacement of the X1 shaft and the Z1 shaft and the rotation of the A spindle 6, so that the cutter setting work is completed. It should be noted that: the structural principles of the displacement adjustment control of the X1 axis and the Z1 axis, and the structural principle of the rotation adjustment control of the a spindle 6 have been described in detail above, and are not described in detail here and below.

S3, ensuring that the disc milling cutter 3 is horizontal and the end milling cutter 4 is vertical, and the end milling cutter 4 is positioned below the disc milling cutter 3; the end mill 4 is aligned with the included angle of the outer corner sealing rubber strip groove, and the end mill 4 is used for milling away welding slag of the included angle of the outer corner sealing rubber strip groove; thereby facilitating the subsequent installation of the sealing rubber strip.

S4, controlling the displacement adjustment of the Z1 shaft to enable the corner cleaning servo motor 2 and the corner cleaning cutter combination to move upwards along the Z1 shaft, and retracting the end mill 4 from the outer corner sealing strip groove; then controlling the displacement adjustment of an X1 shaft to enable the disc milling cutter 3 to be aligned with the outer angle of the frame body for angle cleaning; the displacement adjustment of an X1 axis and a Z1 axis is matched in the corner cleaning process until the lowest part of the outer corner of the frame body is cleaned;

s5, controlling the main shaft rotating mechanism A to enable the corner cleaning servo motor 2 and the corner cleaning cutter combination to rotate 180 degrees, enabling the disc milling cutter 3 to be turned over to be horizontal and the end milling cutter 4 to be vertical, and enabling the end milling cutter 4 to be located above the disc milling cutter 3; by adjusting and controlling the displacement of the X1 axis and the Z1 axis, the end mill 4 penetrates through the processing strip seam 20, the end of the end mill 4 is used for milling away the welding slag of the inner angle sealing strip groove, and the side part of the end mill 4 is used for milling away the welding slag of the inner angle of the frame body;

and (3) cleaning welding slag on the upper plane of the corner joint and the lower plane of the corner joint:

s6, the end mill 4 is retreated from the inner corner of the frame by matching with the displacement adjustment of the Z1 axis and the X1 axis;

s7, controlling the A spindle rotating mechanism to rotate the chamfer servo motor 2 and the chamfer cutter combination by 90 degrees, and turning the disc milling cutter 3 to be vertical and the end milling cutter 4 to be horizontal (as shown in the figures 1, 2 and 3 of the attached drawings in the description); through the displacement adjustment control of an X1 axis and a Z1 axis, welding slag on an upper plane and welding slag on a lower plane of a plastic door and window corner joint are respectively milled by using a disc milling cutter 3;

s8, the cutter combination is returned to zero through the displacement regulation control of the X1 axis and the Z1 axis and the rotation regulation control of the A main shaft 6;

and S9, replacing the top corner of the other plastic door and window to carry out corner cleaning according to the steps.

In summary, the following steps:

the corner cleaning structure of the device can clean a frame corner seam of a plastic door and window at one time through a cutter combination. The control of the corner cleaning work on the cutter combination is fully automatically controlled through an X1 axis displacement adjusting structure, a Z1 axis displacement adjusting structure and an A spindle rotating mechanism. The efficiency of plastics door and window angle seam clearance is improved.