Polishing device for circular blade

Abstract

The utility model relates to a polishing device for a round blade, which comprises a workbench, and a clamp assembly and a grinding wheel assembly which are arranged on two sides of the workbench, the clamp assembly comprises a steering motor, a speed reducer, a steering disc, a fastening disc and a locking screw sleeve, the grinding wheel assembly comprises a Y-axis moving frame, a Y-axis module, an X-axis moving frame, an X-axis module, a driving motor, a grinding wheel shaft, an outer grinding wheel and an inner grinding wheel, and aims to realize that the outer grinding wheel and the inner grinding wheel move along the cutting edge contour of the circular blade through combined control of the X-axis module and the Y-axis module, and synchronously grind the cutting edges on the inner side and the outer side of the circular blade; the circular blade with the special-shaped cutting edge is automatically polished, and the polishing efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of circular blade processing, in particular to a grinding device for circular blades. Background Technique

[0002] Circular blades are mainly used for cutting metals, stones, woods and other items, and are widely used in industries such as construction, machinery, and woodworking. With the increase in the application scenarios of circular blades, the contour structure of their cutting edges also changes. However, traditional grinding devices are only applicable to grinding rotary circular blades such as circular or serrated ones, and are not applicable to circular blades with complex cutting edge contours. Therefore, traditional grinding devices have certain limitations. Summary of the Invention

[0003] In order to overcome the deficiencies of the background technique, the technical solution adopted by the utility model is: a grinding device for circular blades, including a workbench, and a fixture assembly and a grinding wheel assembly arranged on both sides of the workbench;

[0004] The fixture assembly includes a steering motor, a speed reducer, a steering wheel, a fastening disc and a locking sleeve. The steering motor is rotationally connected with a steering wheel through the speed reducer. The steering wheel is provided with a stud for installing the fastening disc and the locking sleeve, and the circular blade is fixed between the steering wheel and the fastening disc through the locking sleeve;

[0005] The grinding wheel assembly includes a Y-axis moving frame, a Y-axis module, an X-axis moving frame, an X-axis module, a driving motor, a grinding wheel shaft, an outer grinding wheel and an inner grinding wheel. The workbench is connected with the Y-axis moving frame through the Y-axis module. The Y-axis moving frame is connected with the X-axis moving frame through the X-axis module. The X-axis moving frame is provided with a driving motor, and a grinding wheel shaft synchronously belt-connected with the driving motor. The outer grinding wheel and the inner grinding wheel are coaxially distributed on both sides of the circular blade.

[0006] By adopting the above technical solution, the circular blade is clamped between the steering wheel and the fastening disc by rotating the locking sleeve. The steering motor controls the slow rotation of the circular blade through the speed reducer. The outer grinding wheel and the inner grinding wheel are controlled to move towards or away from the circular blade through the X-axis module, so that they move along the contour of the cutting edge of the circular blade. The circular blade is controlled to approach the outer grinding wheel or the inner grinding wheel through the Y-axis module, so as to simultaneously grind the cutting edges on both the inner and outer sides of the circular blade, thereby realizing the automatic grinding of circular blades with special-shaped cutting edges and improving the grinding efficiency.

[0007] The utility model is further arranged such that the Y-axis module includes a driving motor, a lead screw, a nut pair and a linear slide rail. The workbench is provided with a lifting frame. The driving motor and the lead screw are respectively connected to the upper and lower sides of the lifting frame. The driving motor is synchronously belt-connected with the lead screw. The lead screw is connected with the Y-axis moving frame through the nut pair. Linear slide rails for slidably connecting the Y-axis moving frame are arranged on both sides of the lead screw.

[0008] The present utility model is further configured such that the X-axis module includes a driving motor, a lead screw, a nut pair, and a linear slide rail. A side plate is provided on one side of the Y-axis moving frame. The driving motor and the Y-axis moving frame are respectively arranged on both sides of the side plate. The Y-axis moving frame is connected with a lead screw. The driving motor is connected with the lead screw through a synchronous belt. The lead screw is connected with the X-axis moving frame through a nut pair. Linear slide rails for slidably connecting the X-axis moving frame are provided on both sides of the lead screw.

[0009] The present utility model is further configured such that a positioning connecting pin is provided on one side of the steering wheel located on the stud. The fastening disk is provided with a pin hole adapted to the connecting pin. The connecting line of the steering wheel and the connecting pin shaft point extends to the highest or lowest point of the circular blade, so that repositioning is not required when replacing the circular blade, thereby meeting the requirements for batch grinding of circular blades.

[0010] The present utility model is further configured such that a synchronous wheel, a signal wheel, and a photoelectric sensor provided on one side of the signal wheel are provided at the input end of the speed reducer. The driving motor is connected with the speed reducer through a synchronous belt connected to the synchronous wheel. The outer side of the signal wheel is a helical tooth. The photoelectric sensor senses the helical tooth and generates a position signal for feedback of the rotation angle of the steering wheel to achieve rapid positioning of the circular blade.

[0011] The present utility model is further configured such that the outer grinding wheel and the inner grinding wheel are provided with inclined surfaces for grinding the circular blade. Different models of outer grinding wheels / inner grinding wheels can be replaced according to needs, so as to meet the processing requirements for circular blades with different blade angles, and it has a wide range of applications.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. Through the combined control of the X-axis module and the Y-axis module, the outer grinding wheel and the inner grinding wheel are enabled to move along the blade contour of the circular blade, and the blades on both the inner and outer sides of the circular blade are ground synchronously, realizing automatic grinding of circular blades with special-shaped blades and improving the grinding efficiency.

[0014] 2. The steering wheel automatically adjusts the angle of the circular blade through the connecting pin, so that repositioning is not required when replacing the circular blade, thereby meeting the requirements for batch grinding of circular blades.

[0015] 3. Different models of outer grinding wheels / inner grinding wheels can be replaced according to needs, so as to meet the processing requirements for circular blades with different blade angles, and it has a wide range of applications.

[0016] The following further describes the embodiments of the present utility model with reference to the accompanying drawings. Description of the Drawings

[0017] Figure 1 It is a three-dimensional view of the circular blade installed in the present utility model;

[0018] Figure 2Isometric view of the fixture assembly of the present utility model;

[0019] Figure 3 Isometric view of the grinding wheel assembly of the present utility model;

[0020] Figure 4 Exploded view of the structure of the grinding wheel assembly of the present utility model;

[0021] Figure 5 Top view of the present utility model;

[0022] Figure 6 Of the present utility model Figure 5 Partial enlarged view of the view from direction A in

[0023] Wherein: 1 - workbench, 2 - fixture assembly, 3 - grinding wheel assembly, 4 - circular blade, 5 - signal wheel, 6 - photoelectric sensor, 11 - elevation frame, 21 - steering motor, 22 - reducer, 23 - steering wheel, 24 - fastening disc, 25 - locking nut sleeve, 26 - stud, 27 - connecting pin, 28 - pin hole, 29 - synchronous pulley, 31 - Y-axis moving frame, 32 - Y-axis module, 33 - X-axis moving frame, 34 - X-axis module, 35 - driving motor, 36 - grinding wheel shaft, 37 - outer grinding wheel, 38 - inner grinding wheel, 39 - side plate, 321 - driving motor, 322 - lead screw, 323 - nut pair, 324 - linear slide rail, 371 - inclined surface; Detailed implementation method

[0024] As Figures 1-3 Shown, this embodiment provides a grinding device for circular blades, including a workbench 1, and a fixture assembly 2 and a grinding wheel assembly 3 provided on both sides of the workbench 1;

[0025] The fixture assembly 2 includes a steering motor 21, a reducer 22, a steering wheel 23, a fastening disc 24 and a locking nut sleeve 25. The steering motor 21 is rotationally connected to the steering wheel 23 through the reducer 22. The steering wheel 23 is provided with a stud 26 for installing the fastening disc 24 and the locking nut sleeve 25. The circular blade 4 is fixed between the steering wheel 23 and the fastening disc 24 through the locking nut sleeve 25;

[0026] The grinding wheel assembly 3 includes a Y-axis moving frame 31, a Y-axis module 32, an X-axis moving frame 33, an X-axis module 34, a driving motor 35, a grinding wheel shaft 36, an outer grinding wheel 37 and an inner grinding wheel 38. The workbench 1 is connected to the Y-axis moving frame 31 through the Y-axis module 32. The Y-axis moving frame 31 is connected to the X-axis moving frame 33 through the X-axis module 34. The X-axis moving frame 33 is provided with a driving motor 35 and a grinding wheel shaft 36 synchronously belt-connected to the driving motor 35. The grinding wheel shaft 36 is coaxially distributed with the outer grinding wheel 37 and the inner grinding wheel 38 on both sides of the circular blade 4.

[0027] Combined with Figure 4As shown in the figure, in this embodiment, the Y-axis module 32 includes a driving motor 321, a lead screw 322, a nut pair 323, and a linear slide rail 324. The workbench 1 is provided with a lifting frame 11. The driving motor 321 and the lead screw 322 are respectively connected to the upper and lower sides of the lifting frame 11. The driving motor 321 is connected to the lead screw 322 by a synchronous belt. The lead screw 322 is connected to a Y-axis moving frame 31 through the nut pair 323. Linear slide rails 324 for slidably connecting the Y-axis moving frame 31 are provided on both sides of the lead screw 322.

[0028] In this embodiment, the X-axis module 34 includes a driving motor 321, a lead screw 322, a nut pair 323, and a linear slide rail 324. A side plate 39 is provided on one side of the Y-axis moving frame 31. The driving motor 321 and the Y-axis moving frame 31 are respectively arranged on both sides of the side plate 39. The Y-axis moving frame 31 is connected to a lead screw 322. The driving motor 321 is connected to the lead screw 322 by a synchronous belt. The lead screw 322 is connected to an X-axis moving frame 33 through the nut pair 323. Linear slide rails 324 for slidably connecting the X-axis moving frame 33 are provided on both sides of the lead screw 322.

[0029] In this embodiment, a connecting pin 27 for positioning is provided on one side of the steering wheel 23 located at the stud 26. The fastening plate 24 is provided with a pin hole 28 adapted to the connecting pin 27; the connecting line between the steering wheel 23 and the axis point of the connecting pin 27 extends to the highest or lowest point of the circular blade 4, so that the circular blade 4 can be replaced without repositioning, thus meeting the requirements for batch grinding of the circular blade 4.

[0030] In this embodiment, a synchronous pulley 29, a signal wheel 5, and a photoelectric sensor 6 provided on one side of the signal wheel 5 are provided at the input end of the speed reducer 22. The driving motor 35 is connected to the speed reducer 22 by a synchronous belt through the synchronous pulley 29; the outer side of the signal wheel 5 is a helical tooth. The photoelectric sensor 6 senses the helical tooth and generates a position signal for feedback of the rotation angle of the steering wheel 23 to achieve rapid positioning of the circular blade 4.

[0031] Combined Figure 5 、 6 As shown in the figure, in this embodiment, the outer grinding wheel 37 and the inner grinding wheel 38 are provided with inclined surfaces 371 for grinding the circular blade 4; different models of the outer grinding wheel 37 / inner grinding wheel 38 can be replaced according to needs, so as to meet the processing of circular blades 4 with different blade angles, and it has a wide range of applications.

[0032] The working principle of the present utility model is that the circular blade 4 is clamped between the steering wheel 23 and the fastening disc 24 by rotating and locking the sleeve 25. The steering motor 21 controls the slow rotation of the circular blade 4 through the speed reducer 22. The X-axis module 34 controls the outer grinding wheel 37 and the inner grinding wheel 38 to move towards or away from the circular blade 4, enabling them to move horizontally along the blade contour of the circular blade 4. The Y-axis module 32 controls the circular blade 4 to approach the outer grinding wheel 37 or the inner grinding wheel 38 to grind the blades on both the inner and outer sides of the circular blade 4, realizing the automatic grinding of the special-shaped circular blade 4 and improving the grinding efficiency.

[0033] The above are all the preferred embodiments of this application, and the protection scope of this application is not limited thereby. Therefore, all equivalent changes made according to the structure, shape, and principle of this application should be covered within the protection scope of this application.

Claims

1. A grinding device for a circular blade, characterized in that: It comprises a workbench (1), and a clamp assembly (2) and a grinding wheel assembly (3) arranged on both sides of the workbench (1); The clamp assembly (2) comprises a steering motor (21), a speed reducer (22), a steering wheel (23), a fastening disc (24) and a locking nut (25); the steering motor (21) is rotatably connected to the steering wheel (23) via the speed reducer (22); the steering wheel (23) is provided with a stud (26) for mounting the fastening disc (24) and the locking nut (25); and the circular blade is fixed between the steering wheel (23) and the fastening disc (24) via the locking nut (25); The grinding wheel assembly (3) comprises a Y-axis moving frame (31), a Y-axis module (32), an X-axis moving frame (33), an X-axis module (34), a driving motor (35), a grinding wheel shaft (36), an outer grinding wheel (37) and an inner grinding wheel (38); the workbench (1) is connected to the Y-axis moving frame (31) via the Y-axis module (32); the Y-axis moving frame (31) is connected to the X-axis moving frame (33) via the X-axis module (34); the X-axis moving frame (33) is provided with a driving motor (35) and a grinding wheel shaft (36) synchronously connected to the driving motor (35); the grinding wheel shaft (36) is located on both sides of the circular blade and is coaxially provided with an outer grinding wheel (37) and an inner grinding wheel (38).

2. A circular blade grinding device according to claim 1, characterized in that: The Y-axis module (32) comprises a transmission motor (321), a screw rod (322), a nut pair (323) and a linear slide rail (324); the workbench (1) is provided with a lifting frame (11); the lifting frame (11) is respectively connected to the transmission motor (321) and the screw rod (322) on the upper and lower sides; the transmission motor (321) is connected to the screw rod (322) by a synchronous belt; the screw rod (322) is connected to the Y-axis moving frame (31) through a nut pair (323); and linear slide rails (324) for slidingly connecting the Y-axis moving frame (31) are provided on both sides of the screw rod (322).

3. A circular blade grinding device according to claim 1, characterized in that: The X-axis module (34) comprises a transmission motor (321), a lead screw (322), a nut pair (323) and a linear slide rail (324); a side plate (39) is provided on one side of the Y-axis moving frame (31); the transmission motor (321) and the Y-axis moving frame (31) are respectively provided on both sides of the side plate (39); the Y-axis moving frame (31) is connected to the lead screw (322); the transmission motor (321) is connected to the lead screw (322) by a synchronous belt; the lead screw (322) is connected to the X-axis moving frame (33) by a nut pair (323); and linear slide rails (324) for slidingly connecting the X-axis moving frame (33) are provided on both sides of the lead screw (322).

4. A circular blade grinding device according to claim 1, characterized in that: The steering wheel (23) is provided with a connection pin (27) for positioning on one side of the stud (26), and the fastening plate (24) is provided with a pin hole (28) matched with the connection pin (27).

5. A circular blade grinding device according to claim 1, characterized in that: The input end of the reducer (22) is provided with a synchronous wheel (29) and a signal wheel (5), and a photoelectric sensor (6) provided on one side of the signal wheel (5); the drive motor (35) is connected to the reducer (22) via a synchronous belt of the synchronous wheel (29).

6. A circular blade grinding device according to claim 1, characterized in that: The outer grinding wheel (37) and the inner grinding wheel (38) are provided with an inclined surface (371) for grinding the circular blade.

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