A new corner cleaning method and structure for cleaning corner seams of plastic doors and windows

Abstract

The present invention discloses a new corner cleaning method and structure for cleaning corner seams of plastic doors and windows, and mainly relates to the field of plastic door and window corner cleaning technology. It includes a corner cleaning structure; the corner cleaning structure includes a support frame, a tool group control structure, a corner cleaning servo motor, and a corner cleaning tool combination; the tool group control structure includes an X1-axis displacement adjustment structure, a Z1-axis displacement adjustment structure, and an A-spindle rotation mechanism; the X1-axis displacement adjustment structure realizes the linear displacement of the corner cleaning servo motor and the corner cleaning tool combination along the X1 axis; the Z1-axis displacement adjustment structure realizes the linear displacement of the corner cleaning servo motor and the corner cleaning tool combination along the Z1 axis; the A-spindle rotation mechanism realizes the rotation adjustment of the corner cleaning servo motor and the corner cleaning tool combination along the X1 axis. The beneficial effects of the present invention are: it has a simple mechanical structure, and can use a tool combination to clean the frame corners and corner seams of plastic doors and windows at one time, which greatly improves the efficiency of corner seam cleaning.

Description

Technical Field

[0001] The invention relates to the technical field of plastic door and window corner cleaning, in particular to a novel corner cleaning method and structure for cleaning corner seams of plastic doors and windows. Background Art

[0002] In the prior art, the corners of the door and window frames of plastic door and window (PVC door and window) profiles are welded by hot-melt welding. After hot-melt welding, hot-melt welding slag will be formed at the weld, and the corner seam needs to be cleaned after the hot-melt welding slag is formed. In addition, the inner corner sealing strip groove at the inner corner of the corner seam and the outer corner sealing strip groove at the outer corner will be blocked by the hot-melt welding slag. Therefore, the welding slag in the two strip grooves, the inner and outer corner welding slag of the window corners, and the welding slag of the upper and lower plane welds at the window corners all need to be cleaned.

[0003] Existing corner seam cleaning equipment all uses multi-axis cleaning tools, each of which is responsible for cleaning the welding slag in the two rubber strip grooves, the welding slag inside and outside the window corners, and the welding slag on the upper and lower planes of the window corners. It adopts multi-axis linkage coordination, has a complex mechanical structure, and the efficiency of the entire cleaning process is very low. Summary of the invention

[0004] The purpose of the present invention is to provide a new corner cleaning method and structure for cleaning corner seams of plastic doors and windows. The method has a simple mechanical structure and can use a tool combination to clean the corner seams of plastic doors and windows at one time, thereby greatly improving the corner seam cleaning efficiency.

[0005] In order to achieve the above object, the present invention is implemented through the following technical solutions:

[0006] A new structure for cleaning corner seams of plastic doors and windows, comprising a corner cleaning structure; the corner cleaning structure comprises a supporting frame, a tool group control structure arranged on the supporting frame, a corner cleaning servo motor, and a corner cleaning tool combination; the tool group control structure comprises an X1-axis displacement adjustment structure, a Z1-axis displacement adjustment structure and an A-spindle rotation mechanism; the corner cleaning servo motor drives the rotation of the corner cleaning tool combination; the X1-axis displacement adjustment structure realizes the linear displacement of the corner cleaning servo motor and the corner cleaning tool combination along the X1 axis; the Z1-axis displacement adjustment structure realizes the linear displacement of the corner cleaning servo motor and the corner cleaning tool combination along the Z1 axis; the A-spindle rotation mechanism realizes the rotation adjustment of the corner cleaning servo motor and the corner cleaning tool combination along the X1 axis.

[0007] The corner cleaning tool assembly comprises a disc milling cutter and an end milling cutter which are coaxially arranged; the disc milling cutter and the end milling cutter which are coaxially arranged are driven to rotate by the output shaft of the corner cleaning servo motor.

[0008] The angle clearing servo motor is fixed on a motor seat, the motor seat is fixed on the A spindle, the A spindle rotation mechanism is arranged in a moving tube, and the moving tube is driven by the X1 axis displacement adjustment structure to move linearly along the X1 axis; the A spindle rotation mechanism includes a spindle motor and a reducer; the spindle motor drives the rotation of the A spindle through the reducer.

[0009] The movable tube is slidably connected to the fixed tube, and the fixed tube is driven by the Z1-axis displacement adjustment structure to move linearly along the Z1-axis.

[0010] The X1-axis displacement adjustment structure includes an X1-axis servo motor, a driving gear, and an axial rack; the axial rack is arranged on the moving tube; the X1-axis servo motor drives the driving gear to rotate, and drives the moving tube to move linearly along the X1 axis through a gear-rack transmission mechanism in which the driving gear is meshed with the axial rack.

[0011] The Z1-axis displacement adjustment structure includes a Z1-axis servo motor and a screw-nut transmission mechanism; the screw-nut transmission mechanism includes an active screw and a driven nut, and the fixed tube is connected to the driven nut through a frame; the Z1-axis servo motor drives the active screw to rotate, thereby driving the driven nut and the fixed tube to move linearly along the Z1 axis.

[0012] It also includes a clamping and positioning structure; the clamping and positioning structure includes a clamping workbench, two positioning angle blocks and a clamping cylinder; a processing slit is set on the top surface of the clamping workbench, and the two positioning angle blocks are set at both sides of the processing slit at an angle of 90 degrees. The clamping cylinder is located above the clamping workbench, and the cylinder body of the clamping cylinder is fixed to the support frame through a connecting frame.

[0013] The positioning angle block is provided with a sensing device, which comprises an outer signal transmission plate and an inner proximity switch.

[0014] A method for cleaning corners of a new structure for cleaning corners of plastic doors and windows, comprising the following steps:

[0015] Steps for cleaning welding slag from outer corner sealing strip groove, outer corner of frame, inner corner sealing strip groove, and inner corner of frame:

[0016] S1: clamping and positioning one corner of the plastic door and window to be cleaned by a clamping and positioning structure, that is, clamping and positioning the two sides of the top corner of the plastic door and window by two positioning corner blocks, and then tightening it by a clamping cylinder;

[0017] S2: Start the tool group control structure of the corner clearing structure to perform tool setting;

[0018] S3: Ensure that the disc milling cutter is horizontal and the end milling cutter is vertical, and the end milling cutter is located below the disc milling cutter; align the end milling cutter with the angle of the outer corner sealing strip groove, and use the end milling cutter to mill off the welding slag at the angle of the outer corner sealing strip groove;

[0019] S4: Then, the displacement adjustment of the Z1 axis is controlled to make the corner cleaning servo motor and the corner cleaning tool assembly move upward along the Z1 axis, and the end milling cutter is retracted from the outer corner sealing strip groove; then, the displacement adjustment of the X1 axis is controlled to make the disc milling cutter align with the outer corner of the frame to clean the corner; during the corner cleaning process, the displacement adjustment of the X1 axis and the Z1 axis is coordinated until the bottom of the outer corner of the frame is cleaned;

[0020] S5: Control the A spindle rotation mechanism to rotate the corner cleaning servo motor and the corner cleaning tool assembly 180 degrees, so that the disc milling cutter is flipped to the horizontal and the end milling cutter is vertical, and the end milling cutter is located above the disc milling cutter; through the displacement adjustment control of the X1 axis and the Z1 axis, the end of the end milling cutter is used to mill off the welding slag of the inner corner sealing strip groove, and the side of the end milling cutter is used to mill off the welding slag in the inner corner of the frame;

[0021] Steps for cleaning welding slag on the upper and lower planes of the corner seams:

[0022] S6: Then coordinate the displacement adjustment of the Z1 axis and the X1 axis to make the end milling cutter withdraw from the inner corner of the frame;

[0023] S7: Then, the A spindle rotation mechanism is controlled to rotate the corner cleaning servo motor and the corner cleaning tool assembly by 90 degrees, so that the disc milling cutter is flipped to a vertical position and the end milling cutter is horizontal; by adjusting and controlling the displacement of the X1 axis and the Z1 axis, the disc milling cutter is used to mill off the upper and lower plane welding slags of the corner seams of the plastic doors and windows respectively;

[0024] S8: By adjusting the displacement of the X1 axis and the Z1 axis and the rotation of the A spindle, the tool assembly is returned to zero;

[0025] S9: Change the top corner of another plastic door or window and perform the corner cleaning work according to the above steps.

[0026] Compared with the prior art, the beneficial effects of the present invention are:

[0027] The corner cleaning structure of the device can clean a corner of a plastic door and window at one time through a tool combination. The control of the tool combination for the corner cleaning work is fully automated through the X1 axis displacement adjustment structure, the Z1 axis displacement adjustment structure, and the A spindle rotation mechanism. The cleaning efficiency of the corners of plastic doors and windows is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Attached Figure 1 It is a schematic diagram of the structure of the present invention.

[0029] Attached Figure 2 It is a schematic diagram of the structure of the present invention.

[0030] Attached Figure 3 It is a schematic diagram of the structure of the present invention.

[0031] Attached Figure 4 It is a schematic diagram of the structure of the present invention.

[0032] Attached Figure 5 It is a structural schematic diagram of the clamping and positioning structure in the present invention.

[0033] Attached Figure 6 It is a schematic diagram of the structure of the plastic door and window in the present invention and a partial enlarged diagram.

[0034] Attached Figure 7 It is a schematic diagram of the structure of the plastic door and window in the present invention and a partial enlarged diagram.

[0035] Numbers shown in the accompanying drawings:

[0036] 1. Support frame; 2. Angle cleaning servo motor; 3. Disc milling cutter; 4. End milling cutter; 5. Motor seat; 6. A spindle; 7. Moving tube; 8. Spindle motor; 9. Fixed tube; 10. X1 axis servo motor; 11. Driving gear; 12. Axial rack; 13. Z1 axis servo motor; 14. Driving lead screw; 15. Driven nut; 16. Frame; 17. Clamping workbench; 18. Positioning angle block; 19. Clamping cylinder; 20. Processing slit; 21. Connecting frame; 22. Signal transfer plate; 23. Proximity switch. DETAILED DESCRIPTION

[0037] The present invention will be further described below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the content taught by the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms fall within the scope limited by the application equally.

[0038] The present invention discloses a novel corner cleaning method and structure for cleaning corner seams of plastic doors and windows, wherein the main structure includes a corner cleaning structure; the corner cleaning structure includes a support frame 1, a tool group control structure arranged on the support frame 1, a corner cleaning servo motor 2, and a corner cleaning tool combination; the tool group control structure includes an X1 axis displacement adjustment structure, a Z1 axis displacement adjustment structure, and an A spindle rotation mechanism; the corner cleaning servo motor 2 drives the rotation of the corner cleaning tool combination; the X1 axis displacement adjustment structure realizes the linear displacement of the corner cleaning servo motor 2 and the corner cleaning tool combination along the X1 axis; the Z1 axis displacement adjustment structure realizes the linear displacement of the corner cleaning servo motor 2 and the corner cleaning tool combination along the Z1 axis; the A spindle rotation mechanism realizes the rotation adjustment of the corner cleaning servo motor 2 and the corner cleaning tool combination along the X1 axis. The corner cleaning tool combination includes a coaxially arranged disc milling cutter 3 and an end milling cutter 4; the coaxially arranged disc milling cutter 3 and the end milling cutter 4 are driven to rotate by the output shaft of the corner cleaning servo motor 2.

[0039] A spindle rotation mechanism: the angle clearing servo motor 2 is fixed on the motor base 5, the motor base 5 is fixed on the A spindle 6, the A spindle rotation mechanism is arranged in a moving tube 7, and the moving tube 7 is driven by the X1-axis displacement adjustment structure to achieve linear displacement along the X1 axis; the A spindle rotation mechanism includes a spindle motor 8 and a reducer; the spindle motor 8 drives the A spindle 6 to rotate through the reducer.

[0040] X1-axis displacement adjustment structure: The X1-axis displacement adjustment structure includes an X1-axis servo motor 10, a driving gear 11, and an axial rack 12; the axial rack 12 is arranged on the moving tube 7; the X1-axis servo motor 10 drives the driving gear 11 to rotate, and the gear rack transmission mechanism in which the driving gear 11 is meshed with the axial rack 12 drives the moving tube 7 to move linearly along the X1 axis.

[0041] Z1 axis displacement adjustment structure: The movable tube 7 is slidably connected to the fixed tube 9, and the fixed tube 9 is driven by the Z1 axis displacement adjustment structure to move linearly along the Z1 axis. Specifically: The Z1 axis displacement adjustment structure includes a Z1 axis servo motor 13 and a screw nut transmission mechanism; the screw nut transmission mechanism includes an active screw 14 and a driven screw nut 15, and the fixed tube 9 is connected to the driven screw nut 15 through a frame 16; the Z1 axis servo motor 13 drives the active screw 14 to rotate, thereby driving the driven screw nut 15 and the fixed tube 9 to move linearly along the Z1 axis.

[0042] In addition, the sliding connections of the X1-axis displacement adjustment structure and the Z1-axis displacement adjustment structure are both realized through the sliding connection between the guide rail and the slider.

[0043] It also includes a clamping and positioning structure; the clamping and positioning structure includes a clamping workbench 17, two positioning angle blocks 18 and a clamping cylinder 19; a processing slit 20 is arranged on the top surface of the clamping workbench 17, the two positioning angle blocks 18 are arranged at 90 degrees on both sides of the processing slit 20, the clamping cylinder 19 is located above the clamping workbench 17, and the cylinder body of the clamping cylinder 19 is fixed to the support frame 1 through a connecting frame 21. A sensing device is arranged on the positioning angle block 18, and the sensing device includes an outer signal transmission plate 22 and an inner proximity switch 23.

[0044] A new type of corner cleaning method for cleaning corner seams of plastic doors and windows includes the following steps:

[0045] Steps for cleaning welding slag from outer corner sealing strip groove, outer corner of frame, inner corner sealing strip groove, and inner corner of frame:

[0046] S1: clamp and position one corner of the plastic door and window to be cleaned by a clamping and positioning structure, that is, the two sides of the top corner of the plastic door and window are clamped and positioned by two positioning corner blocks 18, and then tightened by a clamping cylinder 19; specifically: the door and window frames on both sides of the plastic door and window are in contact with the two positioning corner blocks 18 on the clamping workbench 17, pressing the signal-transmitting turntable 22 on the positioning corner block 18, thereby triggering the proximity switch 23 on the positioning corner block 18; after receiving the signal, the system has determined that the plastic door and window to be cleaned has been positioned, and then controls the clamping cylinder 19 to tighten the top surface of the plastic door and window, thereby clamping and positioning it by the clamping and positioning structure, and then performing subsequent corner cleaning steps.

[0047] S2: Start the tool group control structure of the angle clearing structure to perform tool setting; specifically: adjust the position of the tool group by adjusting the displacement of the X1 axis and the Z1 axis, and the rotation of the A spindle 6, to complete the tool setting. It should be noted that the displacement control structure principle of the X1 axis and the Z1 axis, and the rotation control structure principle of the A spindle 6 have been described in detail above, and will not be repeated here or below.

[0048] S3: Ensure that the disc milling cutter 3 is horizontal and the end milling cutter 4 is vertical, and the end milling cutter 4 is located below the disc milling cutter 3; align the end milling cutter 4 with the angle of the outer corner sealing strip groove, and use the end milling cutter 4 to mill off the welding slag at the angle of the outer corner sealing strip groove; thereby facilitating the subsequent installation of the sealing strip.

[0049] S4: Then, the displacement adjustment of the Z1 axis is controlled to make the corner cleaning servo motor 2 and the corner cleaning tool assembly move upward along the Z1 axis, and the end mill 4 is retracted from the outer corner sealing strip groove; then, the displacement adjustment of the X1 axis is controlled to make the disc milling cutter 3 align with the outer corner of the frame for corner cleaning; during the corner cleaning process, the displacement adjustment of the X1 axis and the Z1 axis is coordinated until the bottom of the outer corner of the frame is cleaned;

[0050] S5: Control the A spindle rotation mechanism to rotate the corner cleaning servo motor 2 and the corner cleaning tool assembly 180 degrees, so that the disc milling cutter 3 is flipped to the horizontal and the end milling cutter 4 is vertical, and the end milling cutter 4 is located above the disc milling cutter 3; by adjusting and controlling the displacement of the X1 axis and the Z1 axis, the end milling cutter 4 passes through the processing slit 20, and the end of the end milling cutter 4 is used to mill off the welding slag of the inner corner sealing strip groove, and the side of the end milling cutter 4 is used to mill off the welding slag in the inner corner of the frame;

[0051] Steps for cleaning welding slag on the upper and lower planes of the corner seams:

[0052] S6: Then coordinate the displacement adjustment of the Z1 axis and the X1 axis to make the end mill 4 withdraw from the inner corner of the frame;

[0053] S7: Then control the A spindle rotation mechanism to rotate the corner cleaning servo motor 2 and the corner cleaning tool assembly by 90 degrees, so that the disc milling cutter 3 is turned vertically and the end milling cutter 4 is horizontal (as shown in the attached figure of the specification). Figure 1 , Figure 2 , Figure 3 The upper and lower plane welding slags of the corner seams of the plastic doors and windows are respectively milled off by adjusting and controlling the displacement of the X1 axis and the Z1 axis using the disc milling cutter 3;

[0054] S8: Return the tool assembly to zero by adjusting the displacement of the X1 axis and the Z1 axis and the rotation of the A spindle 6;

[0055] S9: Change the top corner of another plastic door or window and perform the corner cleaning work according to the above steps.

[0056] In summary:

[0057] The corner cleaning structure of the device can clean a corner of a plastic door and window at one time through a tool combination. The control of the tool combination for the corner cleaning work is fully automated through the X1 axis displacement adjustment structure, the Z1 axis displacement adjustment structure, and the A spindle rotation mechanism. The cleaning efficiency of the corners of plastic doors and windows is improved.

Claims

1. A new structure for cleaning corners of plastic doors and windows, characterized by: Including corner clearing structure; The corner cleaning structure comprises a support frame (1), a tool group control structure arranged on the support frame (1), a corner cleaning servo motor (2), and a corner cleaning tool assembly; the tool group control structure comprises an X1 axis displacement control structure, a Z1 axis displacement control structure, and an A spindle rotation mechanism; the corner cleaning servo motor (2) drives the corner cleaning tool assembly to rotate; The X1-axis displacement adjustment structure realizes the linear displacement of the corner cleaning servo motor (2) and the corner cleaning tool assembly along the X1 axis; The Z1 axis displacement adjustment structure realizes the linear displacement of the corner cleaning servo motor (2) and the corner cleaning tool assembly along the Z1 axis; The A spindle rotation mechanism realizes the rotation adjustment of the corner cleaning servo motor (2) and the corner cleaning tool assembly along the X1 axis; The corner cleaning tool assembly comprises a coaxially arranged disc milling cutter (3) and an end milling cutter (4); the coaxially arranged disc milling cutter (3) and the end milling cutter (4) are driven to rotate by the output shaft of the corner cleaning servo motor (2); The angle clearing servo motor (2) is fixed on a motor base (5), the motor base (5) is fixed on an A spindle (6), the A spindle rotation mechanism is arranged in a moving tube (7), and the moving tube (7) is driven by an X1 axis displacement adjustment structure to move linearly along the X1 axis; The A spindle rotation mechanism comprises a spindle motor (8) and a reducer; the spindle motor (8) drives the A spindle (6) to rotate via the reducer.

2. The novel structure for cleaning corner seams of plastic doors and windows according to claim 1 is characterized in that: The movable tube (7) is slidably connected to the fixed tube (9), and the fixed tube (9) is driven by the Z1 axis displacement adjustment structure to move linearly along the Z1 axis.

3. The novel structure for cleaning corner seams of plastic doors and windows according to claim 2 is characterized in that: The X1-axis displacement adjustment structure comprises an X1-axis servo motor (10), a driving gear (11), and an axial rack (12); the axial rack (12) is arranged on the moving tube (7); the X1-axis servo motor (10) drives the driving gear (11) to rotate, and drives the moving tube (7) to move linearly along the X1 axis through a gear rack transmission mechanism in which the driving gear (11) is meshed with the axial rack (12).

4. The novel structure for cleaning corner seams of plastic doors and windows according to claim 2 is characterized in that: The Z1-axis displacement adjustment structure comprises a Z1-axis servo motor (13) and a screw-nut transmission mechanism; the screw-nut transmission mechanism comprises an active screw (14) and a driven screw nut (15); the fixed tube (9) is connected to the driven screw nut (15) via a frame (16); the Z1-axis servo motor (13) drives the active screw (14) to rotate, thereby driving the driven screw nut (15) and the fixed tube (9) to linearly displace along the Z1 axis.

5. The novel structure for cleaning corner seams of plastic doors and windows according to claim 1 is characterized in that: It also includes a clamping and positioning structure; the clamping and positioning structure includes a clamping workbench (17), two positioning angle blocks (18) and a clamping cylinder (19); a processing slit (20) is arranged on the top surface of the clamping workbench (17), the two positioning angle blocks (18) are arranged at both sides of the processing slit (20) at an angle of 90 degrees, the clamping cylinder (19) is located above the clamping workbench (17), and the cylinder body of the clamping cylinder (19) is fixed to the support frame (1) through a connecting frame (21).

6. The novel structure for cleaning corner seams of plastic doors and windows according to claim 5 is characterized in that: The positioning angle block (18) is provided with a sensing device, which comprises an outer signal transmission plate (22) and an inner proximity switch (23).

7. A method for cleaning corners of the novel structure for cleaning corners of plastic doors and windows as claimed in any one of claims 1 to 6, characterized in that: The following steps are involved: Steps for cleaning welding slag from outer corner sealing strip groove, outer corner of frame, inner corner sealing strip groove, and inner corner of frame: S1: clamping and positioning a corner of the plastic door and window to be cleaned by a clamping and positioning structure, that is, clamping and positioning the two sides of the top corner of the plastic door and window by two positioning corner blocks (18), and then tightening by a clamping cylinder (19); S2: Start the tool group control structure of the corner clearing structure to perform tool setting; 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 located below the disc milling cutter (3); aligning the end milling cutter (4) with the angle of the outer corner sealing strip groove, and using the end milling cutter (4) to mill off the welding slag at the angle of the outer corner sealing strip groove; S4: Then, the displacement adjustment of the Z1 axis is controlled to make the corner cleaning servo motor (2) and the corner cleaning tool assembly move upward along the Z1 axis, and the end mill (4) is retracted from the outer corner sealing strip groove; then, the displacement adjustment of the X1 axis is controlled to make the disc milling cutter (3) align with the outer corner of the frame to clean the corner; during the corner cleaning process, the displacement adjustment of the X1 axis and the Z1 axis is coordinated until the bottom of the outer corner of the frame is cleaned; S5: Control the A spindle rotation mechanism to rotate the corner cleaning servo motor (2) and the corner cleaning tool assembly 180 degrees, so that the disc milling cutter (3) is turned horizontally and the end milling cutter (4) is vertical, and the end milling cutter (4) is located above the disc milling cutter (3); by adjusting and controlling the displacement of the X1 axis and the Z1 axis, the end of the end milling cutter (4) is used to mill off the welding slag of the inner corner sealing strip groove, and the side of the end milling cutter (4) is used to mill off the welding slag in the inner corner of the frame; Steps for cleaning welding slag on the upper and lower planes of the corner seams: S6: Then, the displacement adjustment of the Z1 axis and the X1 axis is coordinated to make the end mill (4) retract from the inner corner of the frame; S7: Then, the A spindle rotation mechanism is controlled to rotate the corner cleaning servo motor (2) and the corner cleaning tool assembly by 90 degrees, so that the disc milling cutter (3) is turned vertically and the end milling cutter (4) is horizontal; by adjusting and controlling the displacement of the X1 axis and the Z1 axis, the disc milling cutter (3) is used to mill off the upper and lower plane welding slags of the corner seam of the plastic door and window respectively; S8: Returning the tool assembly to zero by adjusting the displacement of the X1 axis and the Z1 axis and the rotation of the A spindle (6); S9: Change the top corner of another plastic door or window and perform the corner cleaning work according to the above steps.

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