Grinding device for milling cutter

Abstract

The utility model belongs to the technical field of milling cutter polishing, and particularly relates to a milling cutter polishing device which comprises a base, a vertical plate is fixedly connected to the base, a rotating column is rotatably mounted on the vertical plate, a rotating body is sleeved at one end of the rotating column, and three housings are fixed on the outer surface of the rotating body. A polishing wheel is rotationally installed in each shell cover in a matched mode through a rotating shaft, a first motor is installed on the side wall of each shell cover, the output end of each first motor is connected with one end of the corresponding rotating shaft, and the other end of the rotating column is sleeved with a first belt wheel; when the grinding wheel is used, the grinding wheel can be quickly replaced, so that better cutting precision and cutting edge quality can be provided, a machined milling cutter has higher precision and surface quality, meanwhile, the machining quality problem caused by abrasion of the grinding wheel is avoided, and the cutting effect and the machining quality of the grinding wheel 7 are ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of milling cutter grinding, in particular to a milling cutter grinding device. Background Art

[0002] A milling cutter is a rotating tool with one or more teeth used for milling processing. During the milling process, the milling cutter often needs to be polished. The polished milling cutter edge is sharper and smoother, which is convenient for subsequent milling operations.

[0003] A Chinese patent with announcement number CN218658097U discloses a grinding device for a spiral milling cutter, including a pedestal, a fixed seat is fixed at one end of the pedestal, a grinding wheel is rotatably mounted on the fixed seat, the fixed seat is connected to a motor belt mechanism for driving the grinding wheel to rotate, a support rod is horizontally slidably mounted on the other end of the pedestal, a movable rod is rotatably connected to the upper end of the support rod, a mounting sleeve with an open end is fixed to the end of the movable rod, the movable rod of the utility model cooperates with the support block and the locking screw so that the mounting sleeve horizontally supports the spiral milling cutter to move right and contact the grinding wheel for end grinding, thereby preventing the spiral milling cutter from tilting, and the spiral milling cutter can be moved to the left for a short distance to rotate the mounting sleeve to tilt upward, so that the right end of the spiral milling cutter is away from the grinding wheel to facilitate the extraction of the mounting sleeve, thereby grinding by moving the spiral milling cutter to the right and rotating it counterclockwise after moving it to the left to take it out, thereby assisting the operator to manually complete the end grinding of the spiral milling cutter.

[0004] As grinding continues, the grinding wheel will continue to wear and its grinding quality will gradually decline. In the existing milling cutter grinding device, the process of replacing the grinding wheel may require shutdown, and the replacement steps are relatively cumbersome, and it is inconvenient to replace the grinding wheel. Since the severely worn grinding wheel cannot be replaced in time, the grinding quality of the milling cutter will be affected, thereby affecting the accuracy and surface quality of the processed workpiece; therefore, a milling cutter grinding device is proposed to address the above problems. Summary of the invention

[0005] In order to make up for the deficiencies of the prior art and solve the problems raised by the above-mentioned background technology, the utility model provides a grinding device for a milling cutter.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a grinding device for a milling cutter described in the utility model comprises a base, a vertical plate is fixedly connected to the base, a rotating column is rotatably installed on the vertical plate, one end of the rotating column is sleeved with a rotating body, three shell covers are fixed to the outer surface of the rotating body, a grinding wheel is rotatably installed in each shell cover through a rotating shaft, a first motor is installed on the side wall of each shell cover, the output end of the first motor is connected to one end of the rotating shaft, a first pulley is sleeved on the other end of the rotating column, a supporting seat is fixedly connected to the base, a second motor is installed on the supporting seat, a second pulley is installed on the output end of the second motor, a conveyor belt is cooperatively sleeved on the outer surfaces of the first pulley and the second pulley, the The vertical plate and the shell cover are both provided with the same positioning socket, and a positioning rod is inserted in the positioning socket. When the grinding wheel needs to be replaced, the second motor is started to rotate the second pulley. With the cooperation of the conveyor belt, the first pulley drives the rotating column to rotate accordingly, and then the rotating body drives the shell cover and its grinding wheel to rotate accordingly. Until the grinding wheel that needs to be replaced rotates to the bottom, the second motor stops working, and then the positioning rod is inserted in the positioning socket, so that the shell cover can be fixed, so that the grinding wheel can be quickly replaced, and better cutting accuracy and cutting edge quality can be provided, thereby ensuring that the processed milling cutter has higher accuracy and surface quality, while avoiding processing quality problems caused by grinding wheel wear, thereby ensuring the cutting effect and processing quality of the grinding wheel 7.

[0007] Preferably, two limiting slide grooves are provided on the base, and sliding blocks are provided in the two limiting slide grooves. The two sliding blocks are cooperated and fixed with a movable plate. Two fixed plates are installed on the base, and the two fixed plates are cooperated and rotatably installed with a first screw rod, and the first screw rod penetrates the movable plate. A third motor is installed on one of the fixed plates, and the output end of the third motor is connected to one end of the first screw rod. After the milling cutter is clamped and fixed, when grinding, the third motor is started to rotate the first screw rod, and with the cooperation of the limiting slide groove and the sliding block, the movable plate drives the clamped milling cutter to move until the end of the milling cutter moves to contact the surface of the grinding wheel, and the first motor is started to rotate the grinding wheel, so that the end of the milling cutter can be ground.

[0008] Preferably, two rectangular plates are fixedly connected to the movable plate, and the two rectangular plates are rotatably mounted with a second screw rod, and the second screw rod is sleeved with a movable plate, and a fourth motor is mounted on one of the rectangular plates, and an output end of the fourth motor is connected to one end of the second screw rod, and two limit rods are fixedly connected between the two rectangular plates, and the two limit rods are respectively located on both sides of the movable plate, and limit blocks are sleeved on the two limit rods, and the limit blocks are fixed to the movable plate. After the end of the milling cutter is polished, when the side wall of the milling cutter is polished, the fourth motor is started to rotate the second screw rod, and under the cooperation of the limit rod and the limit block, the movable plate drives the clamped milling cutter to move until the side wall of the milling cutter moves to contact the grinding wheel, and then the first motor is started to rotate the grinding wheel, and at the same time, the fifth motor is started to rotate the gear, forcing the gear ring to drive the rotating cylinder to rotate, and then the clamped milling cutter is rotated, so that the milling cutter can be fully rotated and polished, thereby improving the grinding efficiency.

[0009] Preferably, two supporting plates are fixedly connected to the top side of the movable plate, two fixing rings are fixedly connected to the two supporting plates, a rotating cylinder is installed with the two fixing rings for rotation, three pneumatic cylinders are installed on the outer circumference of the rotating cylinder, the active end of each pneumatic cylinder is equipped with a pneumatic rod, and the end of each pneumatic rod is fixedly connected to an arc-shaped clamping plate. When grinding, the milling cutter to be ground must be clamped and fixed first, the milling cutter is placed in the rotating cylinder, and the pneumatic cylinder is started so that the pneumatic rod drives the arc-shaped clamping plates to move closer to each other, so that the milling cutter can be clamped and fixed, which is convenient for subsequent precise grinding of the milling cutter.

[0010] Preferably, the outer surface of the rotating cylinder is provided with a gear ring, and a fifth motor is installed on the side wall of one of the support plates. A gear is installed at the output end of the fifth motor, and the gear and the gear ring are meshed with each other. When grinding, the fifth motor is started to rotate the gear, forcing the gear ring to drive the rotating cylinder to rotate, and then the milling cutter that is clamped and fixed is rotated, thereby facilitating the subsequent all-round rotation grinding of the milling cutter, greatly improving the grinding efficiency.

[0011] The utility model is beneficial in that:

[0012] 1. When the grinding wheel needs to be replaced, the utility model starts the second motor to rotate the second pulley, and with the cooperation of the conveyor belt, the first pulley drives the rotating column to rotate accordingly, and then the rotating body drives the shell cover and its grinding wheel to rotate accordingly, until the grinding wheel that needs to be replaced rotates to the bottom, the second motor stops working, and then the positioning rod is inserted into the positioning insertion hole, so that the shell cover can be fixed, so that the grinding wheel can be replaced quickly, and then better cutting accuracy and cutting edge quality can be provided, thereby ensuring that the processed milling cutter has higher accuracy and surface quality, and at the same time avoids the processing quality problems caused by the wear of the grinding wheel, and ensures the cutting effect and processing quality of the grinding wheel 7;

[0013] 2. When the present invention is used for grinding, firstly, the milling cutter to be ground needs to be clamped and fixed, the milling cutter is placed in the rotating cylinder, and the pneumatic cylinder is started so that the pneumatic rod drives the arc-shaped clamping plates to move closer to each other, so that the milling cutter can be clamped and fixed, which is convenient for the subsequent precise grinding operation of the milling cutter. When grinding, the fifth motor is started to rotate the gear, forcing the gear ring to drive the rotating cylinder to rotate, and then the clamped milling cutter is rotated, so as to facilitate the subsequent all-round rotation grinding of the milling cutter, greatly improving the grinding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0015] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the device;

[0016] Figure 2 It is a schematic diagram of the three-dimensional structure of the rotary replacement mechanism;

[0017] Figure 3 It is a schematic diagram of the local three-dimensional structure of the device;

[0018] Figure 4 It is a schematic diagram of the three-dimensional structure of the clamping mechanism;

[0019] Figure 5 It is a schematic diagram of the cross-sectional three-dimensional structure of the fixing ring.

[0020] In the figure: 1. base; 2. vertical plate; 3. rotating column; 4. rotating body; 5. shell cover; 6. rotating shaft; 7. grinding wheel; 8. first motor; 9. first pulley; 10. supporting seat; 11. second motor; 12. second pulley; 13. conveyor belt; 14. positioning socket; 15. positioning plug rod; 16. limiting slide groove; 17. slider; 18. movable plate; 19. fixed plate; 20. first screw rod; 21. third motor; 22. rectangular plate; 23. fourth motor; 24. second screw rod; 25. movable plate; 26. limiting rod; 27. limiting block; 28. supporting plate; 29. ​​fixing ring; 30. rotating cylinder; 31. pneumatic cylinder; 32. arc clamping plate; 33. gear ring; 34. fifth motor; 35. gear. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-2As shown, a grinding device for a milling cutter comprises a base 1, a vertical plate 2 is fixedly connected to the base 1, a rotating column 3 is rotatably mounted on the vertical plate 2, a rotating body 4 is sleeved on one end of the rotating column 3, three shell covers 5 are fixed to the outer surface of the rotating body 4, a grinding wheel 7 is rotatably mounted in each shell cover 5 through a rotating shaft 6, a first motor 8 is mounted on the side wall of each shell cover 5, an output end of the first motor 8 is connected to one end of the rotating shaft 6, a first pulley 9 is sleeved on the other end of the rotating column 3, a support seat 10 is fixedly connected to the base 1, a second motor 11 is mounted on the support seat 10, a second pulley 12 is mounted on the output end of the second motor 11, a conveyor belt 13 is sleeved on the outer surfaces of the first pulley 9 and the second pulley 12, the vertical plate 2 and the shell cover 5 are both provided with the same positioning hole 14, the positioning plug A positioning rod 15 is inserted in the hole 14; when the grinding wheel 7 needs to be replaced, the second motor 11 is started to rotate the second pulley 12, and with the cooperation of the conveyor belt 13, the first pulley 9 drives the rotating column 3 to rotate accordingly, and then the rotating body 4 drives the shell cover 5 and its grinding wheel 7 to rotate accordingly, until the grinding wheel 7 that needs to be replaced rotates to the bottom, the second motor 11 stops working, and then the positioning rod 15 is inserted in the positioning hole 14, so that the shell cover 5 can be fixed, so that the grinding wheel 7 can be quickly replaced, and thus better cutting accuracy and cutting edge quality can be provided, thereby ensuring that the processed milling cutter has higher accuracy and surface quality, while avoiding processing quality problems caused by wear of the grinding wheel 7, thereby ensuring the cutting effect and processing quality of the grinding wheel 7.

[0023] See also Figure 3 As shown, the base 1 is provided with two limiting grooves 16, and sliders 17 are arranged in the two limiting grooves 16. The two sliders 17 are cooperated and fixed with a moving plate 18. Two fixed plates 19 are installed on the base 1. The two fixed plates 19 are cooperated and rotated to install a first screw rod 20, and the first screw rod 20 penetrates the moving plate 18. A third motor 21 is installed on one of the fixed plates 19, and the output end of the third motor 21 is connected to one end of the first screw rod 20. After the milling cutter is clamped and fixed, when grinding, the third motor 21 is started to rotate the first screw rod 20. Under the cooperation of the limiting grooves 16 and the sliders 17, the moving plate 18 drives the clamped milling cutter to move until the end of the milling cutter moves to contact the surface of the grinding wheel 7, and the first motor 8 is started to rotate the grinding wheel 7, so that the end of the milling cutter can be ground.

[0024] The movable plate 18 is fixed with two rectangular plates 22, and the two rectangular plates 22 are equipped with a second screw rod 24 for rotation. A movable plate 25 is sleeved on the second screw rod 24, and a fourth motor 23 is installed on one of the rectangular plates 22. The output end of the fourth motor 23 is connected to one end of the second screw rod 24. Two limit rods 26 are fixed between the two rectangular plates 22, and the two limit rods 26 are respectively located on both sides of the movable plate 25. The two limit rods 26 are sleeved with limit blocks 27, and the limit blocks 27 are fixed to the movable plate 25. After the end of the milling cutter is polished, the milling cutter is aligned. When the side wall is being polished, the fourth motor 23 is started to rotate the second screw rod 24, and with the cooperation of the limit rod 26 and the limit block 27, the movable plate 25 drives the clamped milling cutter to move until the side wall of the milling cutter moves to contact the grinding wheel 7, and then the first motor 8 is started to rotate the grinding wheel 7, and at the same time, the fifth motor 34 is started to rotate the gear 35, forcing the gear ring 33 to drive the rotating cylinder 30 to rotate, and then the clamped milling cutter is rotated, so that the milling cutter can be fully rotated and polished, thereby improving the grinding efficiency.

[0025] See also Figure 4-5 As shown, the top side of the movable plate 25 is fixedly connected to two support plates 28, and two fixing rings 29 are fixedly connected to the two support plates 28. The two fixing rings 29 are rotatably mounted with a rotating cylinder 30. Three pneumatic cylinders 31 are mounted on the outer circumference of the rotating cylinder 30. The action end of each pneumatic cylinder 31 is equipped with a pneumatic rod, and the end of each pneumatic rod is fixedly connected to an arc-shaped clamping plate 32. The outer surface of the rotating cylinder 30 is sleeved with a gear ring 33. A fifth motor 34 is mounted on the side wall of one of the support plates 28. A gear 35 is mounted on the output end of the fifth motor 34, and the gear 33 is mounted on the output end of the fifth motor 34. 5 is meshed with the gear ring 33; when grinding, the milling cutter to be ground must first be clamped and fixed, the milling cutter is placed in the rotating cylinder 30, the pneumatic cylinder 31 is started, the pneumatic rod drives the arc-shaped clamping plates 32 to move closer to each other, so that the milling cutter can be clamped and fixed, which is convenient for subsequent precise grinding of the milling cutter, the fifth motor 34 is started, the gear 35 is rotated, the gear ring 33 is forced to drive the rotating cylinder 30 to rotate, and then the clamped milling cutter is rotated, so that it is convenient for subsequent all-round rotation grinding of the milling cutter, which greatly improves the grinding efficiency.

[0026] Working principle: As the grinding continues, the grinding wheel 7 will continue to wear and its grinding quality will gradually decline. In the existing milling cutter grinding device, the process of replacing the grinding wheel 7 may require shutdown, and the replacement steps are relatively cumbersome, and it is not convenient to replace the grinding wheel 7. Since the severely worn grinding wheel 7 cannot be replaced in time, the grinding quality of the milling cutter will be affected, thereby affecting the accuracy and surface quality of the processed workpiece; therefore, a milling cutter grinding device is proposed to address the above problems; when the grinding wheel 7 needs to be replaced, the second motor 11 is started to rotate the second pulley 12, and with the cooperation of the conveyor belt 13 , so that the first pulley 9 drives the rotating column 3 to rotate accordingly, and then the rotating body 4 drives the shell cover 5 and its grinding wheel 7 to rotate accordingly, until the grinding wheel 7 that needs to be replaced rotates to the bottom, the second motor 11 stops working, and then the positioning plug rod 15 is inserted into the positioning plug hole 14, so that the shell cover 5 can be fixed, so that the grinding wheel 7 can be quickly replaced, and thus better cutting accuracy and edge quality can be provided, thereby ensuring that the processed milling cutter has higher accuracy and surface quality, while avoiding processing quality problems caused by wear of the grinding wheel 7, and ensuring the cutting effect and processing quality of the grinding wheel 7;

[0027] When grinding, the milling cutter to be ground must first be clamped and fixed, the milling cutter must be placed in the rotating cylinder 30, and the pneumatic cylinder 31 must be started so that the pneumatic rod drives the arc-shaped clamping plates 32 to move closer to each other, so that the milling cutter can be clamped and fixed, which is convenient for subsequent precise grinding of the milling cutter. After the milling cutter is clamped and fixed, when grinding, the third motor 21 is started to rotate the first screw rod 20, and with the cooperation of the limiting slide groove 16 and the slider 17, the movable plate 18 drives the clamped milling cutter to move until the end of the milling cutter moves to contact the surface of the grinding wheel 7, and the first motor 8 is started to rotate the grinding wheel 7, so that the milling cutter can be ground. The end of the cutter is ground. After the grinding of the end of the milling cutter is completed, when the side wall of the milling cutter is ground, the fourth motor 23 is started to rotate the second screw rod 24, and with the cooperation of the limit rod 26 and the limit block 27, the movable plate 25 drives the clamped milling cutter to move until the side wall of the milling cutter moves to contact the grinding wheel 7, and then the first motor 8 is started to rotate the grinding wheel 7, and at the same time, the fifth motor 34 is started to rotate the gear 35, forcing the gear ring 33 to drive the rotating cylinder 30 to rotate, and then the clamped milling cutter is rotated, so that the milling cutter can be fully rotated and ground, thereby improving the grinding efficiency.

[0028] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0029] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A grinding device for a milling cutter, characterized in that: The invention comprises a base (1), wherein a vertical plate (2) is fixedly connected to the base (1), a rotating column (3) is rotatably mounted on the vertical plate (2), one end of the rotating column (3) is sleeved with a rotating body (4), three shell covers (5) are fixed to the outer surface of the rotating body (4), a grinding wheel (7) is rotatably mounted in each shell cover (5) via a rotating shaft (6), a first motor (8) is mounted on the side wall of each shell cover (5), an output end of the first motor (8) is connected to one end of the rotating shaft (6), and ...) at one end of the rotating body (4) and three shell covers (5) are fixed to the outer surface of the rotating body (4). The other end of the first belt pulley (9) is sleeved, the base (1) is fixedly connected to a support seat (10), a second motor (11) is mounted on the support seat (10), a second belt pulley (12) is mounted on the output end of the second motor (11), a conveyor belt (13) is sleeved on the outer surfaces of the first belt pulley (9) and the second belt pulley (12), the vertical plate (2) and the shell cover (5) are both provided with a same positioning hole (14), and a positioning rod (15) is inserted into the positioning hole (14).

2. A milling cutter grinding device according to claim 1, characterized in that: The base (1) is provided with two limiting slide grooves (16), each of which is provided with a slider (17), and the two sliders (17) are fixedly connected with a movable plate (18). The base (1) is provided with two fixed plates (19), and the two fixed plates (19) are rotatably provided with a first screw rod (20), and the first screw rod (20) passes through the movable plate (18). A third motor (21) is installed on one of the fixed plates (19), and an output end of the third motor (21) is connected with one end of the first screw rod (20).

3. A milling cutter grinding device according to claim 2, characterized in that: Two rectangular plates (22) are fixedly connected to the movable plate (18), and a second screw rod (24) is rotatably mounted on the two rectangular plates (22). A movable plate (25) is sleeved on the second screw rod (24), and a fourth motor (23) is mounted on one of the rectangular plates (22). The output end of the fourth motor (23) is connected to one end of the second screw rod (24).

4. A milling cutter grinding device according to claim 3, characterized in that: Two limiting rods (26) are fixedly connected between the two rectangular plates (22), and the two limiting rods (26) are respectively located on both sides of the movable plate (25). Limiting blocks (27) are sleeved on the two limiting rods (26), and the limiting blocks (27) are fixedly connected to the movable plate (25).

5. The grinding device for a milling cutter according to claim 3, characterized in that: Two support plates (28) are fixedly connected to the top side of the movable plate (25), and two fixing rings (29) are fixedly connected to the two support plates (28). A rotating cylinder (30) is rotatably mounted on the two fixing rings (29). Three pneumatic cylinders (31) are mounted on the outer circumference of the rotating cylinder (30), and a pneumatic rod is installed at the active end of each pneumatic cylinder (31), and an arc-shaped clamping plate (32) is fixedly connected to the end of each pneumatic rod.

6. A milling cutter grinding device according to claim 5, characterized in that: The outer surface of the rotating cylinder (30) is sleeved with a gear ring (33), a fifth motor (34) is mounted on the side wall of one of the support plates (28), a gear (35) is mounted on the output end of the fifth motor (34), and the gear (35) and the gear ring (33) are meshed with each other.

Images