An automatic profiling skiving device

Abstract

This utility model discloses an automatic contour-following scraping device, comprising: a scraping mechanism including a scraping cutter for scraping edge banding; a rotating mechanism connected to the scraping mechanism for driving the scraping mechanism and its scraping cutter to rotate around a Z-axis; and a forward / backward mechanism connected to the rotating mechanism for driving the rotating mechanism and the scraping mechanism to move along a Y-axis. The rotating mechanism and the forward / backward mechanism are configured to dynamically adjust the cutting edge orientation of the scraping cutter in response to changes in the irregular contour edge of the board, so that the cutting edge of the scraping cutter adapts to the shape of the irregular contour edge of the board it contacts, thereby performing contour-following scraping of the edge banding on the irregular contour edge of the board. This solves the problem that existing board scraping devices cannot perform contour-following scraping on irregularly shaped boards.

Description

Technical Field

[0001] This utility model relates to the field of sheet metal edge scraping technology, and in particular to an automatic contour-following flat edge scraping device. Background Technology

[0002] Current sheet metal scraping devices mainly consist of components such as blades, guide wheels, upper and lower buffer springs, and guide shafts. Their functions are relatively limited, and they can only perform flat scraping on ordinary straight-edged sheets. They cannot automatically track and follow the contours of irregularly shaped sheets for flat scraping, resulting in burrs and flash on one side of the irregular edge banding during production. In more serious cases, they may directly damage or scrap the sheet. Utility Model Content

[0003] To address the shortcomings of the existing technology, this utility model provides an automatic contour-following and flat-edge scraping device to solve the problem that existing sheet metal scraping devices cannot perform contour-following and flat-edge scraping on irregularly shaped sheets.

[0004] This utility model is achieved using the following technical solution:

[0005] An automatic contour-following edge scraping device includes:

[0006] A flat scraping mechanism, which includes scraping blades for scraping edge banding tape;

[0007] A rotating mechanism, which is connected to the flat scraping mechanism, is used to drive the flat scraping mechanism and its scraping cutter to rotate around the Z-axis rotation line;

[0008] An advancing / retracting mechanism, which is connected to the rotating mechanism, is used to drive the rotating mechanism and the flat scraping mechanism to move along the Y-axis direction;

[0009] The rotating mechanism and the forward / backward mechanism are configured to dynamically adjust the cutting edge orientation of the scraping tool in response to changes in the irregular contour edge of the plate, so that the cutting edge of the scraping tool adapts to the shape of the irregular contour edge of the plate it contacts, so as to perform contour scraping on the edge banding strip on the irregular contour edge of the plate.

[0010] Furthermore, the rotating mechanism includes a support body, a rotating shaft, and a rotating drive unit. The rotating shaft passes through the support body and extends along the Z-axis. The first end of the rotating shaft is connected to the output end of the rotating drive unit, and the second end of the rotating shaft is connected to the flat scraping mechanism.

[0011] Furthermore, the rotation drive unit includes a Z-axis servo motor, the output end of which is connected to the first end of the rotation shaft.

[0012] Furthermore, the rotary drive unit also includes a Z-axis planetary reducer and a Z-axis coupling. The output end of the Z-axis servo motor is connected to the input end of the Z-axis planetary reducer, and the Z-axis planetary reducer is connected to the first end of the rotating shaft through the Z-axis coupling.

[0013] Furthermore, the rotating mechanism also includes multiple bearing assemblies, and multiple bearing receiving cavities are spaced apart along the Z-axis inside the support body. Each bearing assembly is disposed in the bearing receiving cavity to support the rotating shaft to rotate around the Z-axis rotation line.

[0014] Furthermore, the forward and backward mechanism includes a forward and backward base, a Y-axis forward and backward slide and a forward and backward drive unit disposed on the forward and backward base, the output end of the forward and backward drive unit is connected to the Y-axis forward and backward slide to drive the Y-axis forward and backward slide to move along the Y-axis, and the rotation mechanism is detachably connected to the Y-axis forward and backward slide.

[0015] Furthermore, the forward / backward drive unit includes a forward / backward servo motor, a forward / backward lead screw, a lead screw nut, and a Y-axis coupling. One end of the forward / backward lead screw is connected to the output end of the forward / backward servo motor through the Y-axis coupling. The lead screw nut is threadedly connected to the forward / backward lead screw, and the Y-axis forward / backward slide is connected to the lead screw nut.

[0016] Furthermore, the advancing and retreating mechanism also includes a guide optical shaft and a linear bearing. The two ends of the guide optical shaft are respectively connected to the advancing and retreating base. The Y-axis advancing and retreating slide has a guide hole inside. The linear bearing is disposed in the guide hole and is used to cooperate with the guide optical shaft.

[0017] Furthermore, the flat scraping mechanism includes a flat scraping base, a tool mounting base, and a lifting drive unit for driving the flat scraping base to move up and down along the Z-axis. The scraping tool is mounted on the tool mounting base, the tool mounting base is connected to the flat scraping base, the output end of the lifting drive unit is connected to the flat scraping base, and the fixed end of the lifting drive unit is connected to the rotating shaft.

[0018] Furthermore, it also includes a clamping mechanism for detachably connecting the second end of the rotating shaft to the fixed end of the lifting drive unit.

[0019] Compared with the prior art, the beneficial effects of this utility model include at least the following:

[0020] This invention uses a forward / backward mechanism to control the flat scraping mechanism to move along the Y-axis to a preset position, and a rotation mechanism to drive the flat scraping mechanism to rotate around the Z-axis rotation line to adjust the orientation of the scraping blade. By responding to changes in the irregular contour edge of the board, the orientation of the scraping blade is dynamically adjusted, so that the blade of the scraping blade adapts to the shape of the irregular contour edge of the board it contacts, so as to perform contour-following flat scraping on the edge banding of the irregular contour edge of the board, thus achieving flat scraping treatment of the irregular contour edge of the board. Compared with fixed flat scraping, this device can comprehensively guarantee the flat scraping quality and adapt to the flat scraping treatment of various irregular board materials, making it more adaptable. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the automatic contouring and flat scraping device according to an embodiment of the present utility model;

[0022] Figure 2 This is an exploded view of the rotating mechanism according to an embodiment of the present utility model;

[0023] Figure 3 This is a top view of the advancing and retreating mechanism according to an embodiment of the present utility model;

[0024] Figure 4 This is a schematic diagram of the flat scraping mechanism in contact with the sheet metal according to an embodiment of this utility model;

[0025] Figure 5 This is a schematic diagram of the automatic contouring and flat scraping edge device in the start-up state according to an embodiment of the present invention;

[0026] Figure 6 yes Figure 5 Enlarged view of point A in the middle;

[0027] Figure 7 This is a schematic diagram of the scraping tool starting to scrape the edge according to an embodiment of the present utility model;

[0028] Figure 8 yes Figure 7 Enlarged view of point B in the middle;

[0029] Figure 9 This is one of the schematic diagrams of the scraping tool in the scraping process according to an embodiment of the present utility model;

[0030] Figure 10 yes Figure 9 Enlarged view of point C in the middle;

[0031] Figure 11 This is the second schematic diagram of the scraping tool in the scraping process according to an embodiment of the present utility model;

[0032] Figure 12 yes Figure 11 Enlarged view of point D in the middle;

[0033] Figure 13 This is a schematic diagram of the irregular outline of the board material;

[0034] In the diagram: 10. Rotating mechanism; 11. Support body; 12. Rotating shaft; 13. Z-axis servo motor; 14. Z-axis planetary reducer; 15. Z-axis coupling; 16. Bearing assembly; 17. Clamping block; 171. Clamping groove; 172. Second connecting hole; 18. Servo mounting base; 20. Forward and backward mechanism; 21. Forward and backward base; 22. Y-axis forward and backward slide; 23. Forward and backward servo motor; 24. Forward and backward lead screw; 25. Lead screw nut; 26. Y-axis coupling; 27. Guide optical shaft; 30. Flat scraping mechanism; 31. Flat scraping base; 32. Tool mounting base; 33. Lifting drive unit; 34. Scraping tool; 40. Plate; 41. Irregular contour edge. Detailed Implementation

[0035] Exemplary embodiments will now be described more fully with reference to the accompanying drawings. However, these exemplary embodiments can be implemented in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided to make the present invention more comprehensive and complete, and to fully convey the concept of the exemplary embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and therefore repeated descriptions of them will be omitted.

[0036] The terms used to describe position and direction in this utility model are illustrated with the accompanying drawings, but changes can be made as needed, and all such changes are included within the scope of protection of this utility model.

[0037] like Figures 1 to 13 As shown, an automatic contour-following edge-scraping device provided by this utility model includes:

[0038] The flat scraping mechanism 30 includes a scraping cutter 34 for scraping the edge banding tape;

[0039] A rotating mechanism 10 is connected to the flat scraping mechanism 30 and is used to drive the flat scraping mechanism 30 and its scraping cutter 34 to rotate around the Z-axis rotation line.

[0040] The forward and backward mechanism 20 is connected to the rotating mechanism 10 and is used to drive the rotating mechanism 10 and the flat scraping mechanism 30 to move along the Y-axis direction;

[0041] The rotating mechanism 10 and the advancing / retreating mechanism 20 are configured to dynamically adjust the cutting edge orientation of the scraping tool 34 in response to changes in the irregular contour edge 41 of the plate 40, so that the cutting edge of the scraping tool 34 adapts to the shape of the irregular contour edge 41 of the plate 40 it contacts, so as to perform contour scraping on the edge banding strip on the irregular contour edge 41 of the plate 40.

[0042] In this embodiment, the advancing and retreating mechanism 20 controls the flat scraping mechanism 30 to move along the Y-axis to a preset position, and the rotating mechanism 10 drives the flat scraping mechanism 30 to rotate around the Z-axis rotation line to adjust the cutting edge orientation of the scraping tool 34. By responding to the change of the irregular contour edge 41 of the plate 40, the cutting edge orientation of the scraping tool 34 is dynamically adjusted, so that the cutting edge of the scraping tool 34 adapts to the shape of the irregular contour edge 41 of the plate 40 it contacts, so as to perform contour flat scraping on the edge banding tape on the irregular contour edge 41 of the plate 40, and realize the flat scraping treatment of the irregular contour edge 41 of the plate 40. Compared with the fixed flat scraping, this device can ensure the flat scraping quality in all aspects and adapt to the flat scraping treatment of various irregular plate 40, and has stronger adaptability.

[0043] It is understandable that the forward / backward mechanism 20 and the rotation mechanism 10 work together through the controller to achieve the tracking and scraping of the irregular contour 41 edge of the plate 40.

[0044] In a preferred embodiment, the rotating mechanism 10 includes a support body 11, a rotating shaft 12, and a rotating drive unit. The rotating shaft 12 passes through the support body 11 and extends along the Z-axis. The first end of the rotating shaft 12 is connected to the output end of the rotating drive unit, and the second end of the rotating shaft 12 is connected to the flat scraping mechanism 30.

[0045] In this embodiment, the rotary drive unit drives the rotary shaft 12 to rotate around the Z-axis, and the rotation of the rotary shaft 12 drives the rotation of the flat scraping mechanism 30, thereby realizing the rotation of the scraping tool 34. The rotary drive unit then adjusts the orientation of the cutting edge of the scraping tool 34.

[0046] In a preferred embodiment, the rotary drive unit includes a Z-axis servo motor 13, the output end of which is connected to the first end of the rotary shaft 12.

[0047] In this embodiment, the Z-axis servo motor 13 directly controls the rotation of the rotating shaft 12, precisely controls the orientation of the scraping tool 34, ensures the stability of the scraping tool 34 during processing, comprehensively guarantees the quality of flat scraping and adapts to the flat scraping treatment of various irregularly shaped plates 40.

[0048] In a preferred embodiment, the rotary drive unit further includes a Z-axis planetary reducer 14 and a Z-axis coupling 15. The output end of the Z-axis servo motor 13 is connected to the input end of the Z-axis planetary reducer 14, and the Z-axis planetary reducer 14 is connected to the first end of the rotating shaft 12 through the Z-axis coupling 15.

[0049] In this embodiment, the Z-axis servo motor 13 provides high-precision motion control, and the Z-axis planetary reducer 14 provides high-rigidity and high-efficiency power conversion (torque increase and deceleration). The Z-axis coupling 15 protects the precision bearings inside the Z-axis servo motor 13 and the Z-axis planetary reducer 14 from additional stress, preventing premature failure. The Z-axis coupling 15 can effectively compensate for installation deviations (radial deviation, angular deviation, axial offset), isolate bending moments and radial forces, prevent them from being transmitted back to the reducer and servo motor, and allow the system to have a certain degree of flexibility. Together, these three components achieve high-efficiency, high-torque, high-precision, high-reliability, long-life, and easy-to-maintain power transmission.

[0050] Of course, the rotary drive unit can also use a cylinder and connecting rod to realize the rotational motion of the rotary shaft 12.

[0051] Specifically, a servo mounting base 18 is installed on the top of the support body 11, and the Z-axis coupling 15 is installed inside the servo mounting base 18.

[0052] In a preferred embodiment, the rotating mechanism 10 further includes a plurality of bearing assemblies 16. The support body 11 has a plurality of bearing receiving cavities spaced apart along the Z-axis direction. Each bearing assembly 16 is disposed in the bearing receiving cavity and is used to support the rotating shaft 12 to rotate around the Z-axis rotation line.

[0053] In a preferred embodiment, the forward and backward mechanism 20 includes a forward and backward base 21, a Y-axis forward and backward slide 22 disposed on the forward and backward base 21, and a forward and backward drive unit. The output end of the forward and backward drive unit is connected to the Y-axis forward and backward slide 22 to drive the Y-axis forward and backward slide 22 to move along the Y-axis. The rotation mechanism 10 is detachably connected to the Y-axis forward and backward slide 22.

[0054] In this embodiment, the support body 11 of the rotating mechanism 10 is connected to the Y-axis advance and retract slide 22 by screws. In this way, the advance and retract drive unit drives the Y-axis advance and retract slide 22 to move along the Y-axis, which in turn drives the rotating mechanism 10 and the flat scraping mechanism 30 to move along the Y-axis, so as to adjust the position of the scraping cutter 34 in the Y-axis direction.

[0055] In a preferred embodiment, the forward / backward drive unit includes a forward / backward servo motor 23, a forward / backward lead screw 24, a lead screw nut 25, and a Y-axis coupling 26. One end of the forward / backward lead screw 24 is connected to the output end of the forward / backward servo motor 23 through the Y-axis coupling 26. The lead screw nut 25 is threadedly connected to the forward / backward lead screw 24. The Y-axis forward / backward slide 22 is connected to the lead screw nut 25.

[0056] In this embodiment, the forward / reverse servo motor 23 drives the forward / reverse lead screw 24 to rotate, which in turn drives the lead screw nut 25 to move on the forward / reverse lead screw 24, thereby realizing the movement of the Y-axis forward / reverse slide 22 along the Y-axis. Of course, in other embodiments, the forward / reverse drive unit can also use a cylinder, sprocket, or synchronous belt to achieve the movement of the Y-axis forward / reverse slide 22.

[0057] In a preferred embodiment, the advance / retreat mechanism 20 further includes a guide optical shaft 27 and a linear bearing. The two ends of the guide optical shaft 27 are respectively connected to the advance / retreat base 21. The Y-axis advance / retreat slide 22 is provided with a guide hole inside. The linear bearing is disposed in the guide hole and is used to cooperate with the guide optical shaft 27.

[0058] In this embodiment, the Y-axis advance / retract slide 22 is slidably mounted on the advance / retract base 21 via the guide optical axis 27, so that the Y-axis advance / retract slide 22 moves along the extension direction of the guide optical axis 27, preventing the Y-axis advance / retract slide 22 from shifting position.

[0059] In a preferred embodiment, the flat scraping mechanism 30 includes a flat scraping base 31, a tool mounting seat 32, and a lifting drive unit 33 for driving the flat scraping base 31 to move up and down along the Z-axis. The scraping tool 34 is mounted on the tool mounting seat 32, the tool mounting seat 32 is connected to the flat scraping base 31, the output end of the lifting drive unit 33 is connected to the flat scraping base 31, and the fixed end of the lifting drive unit 33 is connected to the rotating shaft 12.

[0060] In this embodiment, when edge scraping is required, the lifting drive unit 33 drives the flat scraping base 31 to descend, so that the scraping blade 34 contacts the scraping position of the board 40. After scraping is completed, the lifting drive unit 33 drives the flat scraping base 31 to rise, so that the scraping blade 34 moves away from the board 40. Specifically, the lifting drive unit 33 is preferably a lifting cylinder, and the piston rod end of the lifting cylinder is connected to the flat scraping base 31.

[0061] As a preferred embodiment, it also includes a clamping mechanism for detachably connecting the second end of the rotating shaft 12 to the fixed end of the lifting drive unit 33.

[0062] In this embodiment, a clamping mechanism enables a detachable connection between the rotating mechanism 10 and the flat scraping mechanism 30, facilitating the removal of the flat scraping mechanism 30 from the rotating mechanism 10 for replacement with different scraping blades 34. Specifically, the clamping mechanism includes a clamping block 17 with a clamping groove 171 and a connector. The clamping groove 171 is adapted to the rotating shaft 12. Second connecting holes 172 are provided on both sides of the opening end of the clamping groove 171. The fixed end of the lifting drive unit 33 is provided with a first connecting hole. During assembly, the rotating shaft 12 is inserted into the clamping groove 171, the first connecting hole of the fixed end of the lifting drive unit 33 is aligned with the second connecting hole 172 of the clamping block 17, and then the connector passes through the first connecting hole and is fastened in the second connecting hole 172, thereby assembling the fixed end of the lifting drive unit 33 with the rotating shaft 12.

[0063] refer to Figure 4 and Figure 13 This device can perform flat edge scraping treatment on various irregularly shaped plates 40. Only one example is given here. Figure 13 Take the 40mm shape of the sheet material as an example.

[0064] During the preparation phase, the forward / backward servo motor 23 controls the flat scraping mechanism 30 to reach the preset position, and the Z-axis servo motor 13 controls the flat scraping base 31 below the rotating shaft 12 to reach the preset angle position. At this time, the piston rod of the lifting cylinder is in the initial retracted state. When the edge banding machine starts to feed the board, the piston rod of the lifting cylinder is pushed out through the edge banding machine operation interface, so that the scraping cutter 34 enters the working state until the feeding of the board is completed. Before the mechanism works, the parameters of the special-shaped board 40 need to be entered into the operation interface, such as the length and width of the special-shaped groove. There is a limit switch sensor in front of this mechanism for measuring the width of the board 40 and reading the position of the board 40 on the edge banding machine conveyor belt, which can be used as a signal to start the device.

[0065] Before the board 40 enters the first stage of flat scraping and straightening the edge, the scraping blade 34 contacts the board and begins to flat scrape the first straight edge, such as... Figure 7 As shown, when the board 40 moves to the inclined edge position, the Z-axis servo motor 13 controls the rotation of the scraping cutter 34, so that the edge of the scraping cutter 34 in contact with the board 40 always remains perpendicular. When the scraping cutter 34 rotates, the forward and backward servo motor 23 also works in coordination to keep the midpoint of the scraping cutter 34 in contact with the edge of the board 40. When the scraping cutter 34 enters the end of the inclined edge under the coordinated control of the Z-axis servo motor 13 and the forward and backward servo motor 23, the Z-axis servo motor 13 gradually straightens the angle of the scraping cutter 34 along the edge of the board 40, and the forward and backward servo motor 23 stops working, and then enters the final stage.

[0066] The third stage of scraping straight edges is similar to the first stage, both using straight edges as the reference. It should be noted that after the scraping blade 34 has passed through the board 40, the Y-axis needs to be restored to the position of the preparation stage to prepare for the arrival of the next board.

[0067] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and alterations to the above embodiments within the scope of the present invention without departing from the principles and spirit of the present invention, and all such changes should fall within the protection scope of the claims of the present invention.

Claims

1. An automatic contour-following edge scraping device, characterized in that, include: A flat scraping mechanism (30) includes a scraping cutter (34) for scraping the edge banding tape; A rotating mechanism (10) is connected to the flat scraping mechanism (30) and is used to drive the flat scraping mechanism (30) and its scraping cutter (34) to rotate around the Z-axis rotation line; An advancing / retreating mechanism (20), which is connected to the rotating mechanism (10), is used to drive the rotating mechanism (10) and the flat scraping mechanism (30) to move along the Y-axis direction; The rotating mechanism (10) and the advancing and retreating mechanism (20) are configured to dynamically adjust the cutting edge orientation of the scraping tool (34) in response to the change of the irregular contour edge (41) of the plate (40), so that the cutting edge of the scraping tool (34) adapts to the shape of the irregular contour edge (41) of the plate (40) it contacts, so as to perform contour scraping on the edge banding strip on the irregular contour edge (41) of the plate (40).

2. The automatic contour-following edge-scraping device according to claim 1, characterized in that, The rotating mechanism (10) includes a support body (11), a rotating shaft (12) and a rotating drive unit. The rotating shaft (12) passes through the support body (11) and extends along the Z-axis. The first end of the rotating shaft (12) is connected to the output end of the rotating drive unit, and the second end of the rotating shaft (12) is connected to the flat scraping mechanism (30).

3. The automatic contour-following and edge-scraping device according to claim 2, characterized in that, The rotation drive unit includes a Z-axis servo motor (13), the output end of which is connected to the first end of the rotation shaft (12).

4. The automatic contour-following and edge-scraping device according to claim 3, characterized in that, The rotary drive unit also includes a Z-axis planetary reducer (14) and a Z-axis coupling (15). The output end of the Z-axis servo motor (13) is connected to the input end of the Z-axis planetary reducer (14). The Z-axis planetary reducer (14) is connected to the first end of the rotating shaft (12) through the Z-axis coupling (15).

5. The automatic contour-following and edge-scraping device according to claim 2, characterized in that, The rotating mechanism (10) further includes multiple bearing assemblies (16). The support body (11) has multiple bearing cavities spaced apart along the Z-axis. Each bearing assembly (16) is disposed in the bearing cavity to support the rotating shaft (12) to rotate around the Z-axis rotation line.

6. The automatic contour-following and edge-scraping device according to claim 1, characterized in that, The forward and backward mechanism (20) includes a forward and backward base (21), a Y-axis forward and backward slide (22) and a forward and backward drive unit disposed on the forward and backward base (21). The output end of the forward and backward drive unit is connected to the Y-axis forward and backward slide (22) to drive the Y-axis forward and backward slide (22) to move along the Y-axis. The rotation mechanism (10) is detachably connected to the Y-axis forward and backward slide (22).

7. The automatic contour-following edge-scraping device according to claim 6, characterized in that, The forward and backward drive unit includes a forward and backward servo motor (23), a forward and backward lead screw (24), a lead screw nut (25), and a Y-axis coupling (26). One end of the forward and backward lead screw (24) is connected to the output end of the forward and backward servo motor (23) through the Y-axis coupling (26). The lead screw nut (25) is threadedly connected to the forward and backward lead screw (24). The Y-axis forward and backward slide (22) is connected to the lead screw nut (25).

8. The automatic contour-following and edge-scraping device according to claim 6, characterized in that, The advance and retreat mechanism (20) also includes a guide optical shaft (27) and a linear bearing. The two ends of the guide optical shaft (27) are respectively connected to the advance and retreat base (21). The Y-axis advance and retreat slide (22) is provided with a guide hole inside. The linear bearing is set in the guide hole and is used to cooperate with the guide optical shaft (27).

9. The automatic contour-following and edge-scraping device according to claim 2, characterized in that, The flat scraping mechanism (30) includes a flat scraping base (31), a tool mounting seat (32), and a lifting drive unit (33) for driving the flat scraping base (31) to move up and down along the Z-axis. The scraping tool (34) is mounted on the tool mounting seat (32), the tool mounting seat (32) is connected to the flat scraping base (31), the output end of the lifting drive unit (33) is connected to the flat scraping base (31), and the fixed end of the lifting drive unit (33) is connected to the rotating shaft (12).

10. The automatic contour-following and edge-scraping device according to claim 9, characterized in that, It also includes a clamping mechanism for detachably connecting the second end of the rotating shaft (12) to the fixed end of the lifting drive unit (33).

Images