Vibration turning tool rest

Abstract

The utility model provides a vibration turning tool rest which comprises a tool holder, a front sealing cover connected to the top of the tool holder, an O-shaped sealing ring arranged in the front sealing cover, a tool apron arranged on the outer side of the tool holder in a sleeved mode, a fixing ring arranged on the outer side of the tool holder in a sleeved mode, a vibration ring arranged in the fixing ring, a pulling ring arranged on one side of the fixing ring, and a pulling pin inserted in the pulling ring. A lower cover shell is arranged on the outer side of the tool holder, the top of the lower cover shell is connected with a motor cover, a servo motor base is arranged in the motor cover, a servo motor is arranged in the servo motor base, an output shaft of the servo motor is connected with a first synchronous belt wheel, a synchronous belt is arranged on the outer side of the first synchronous belt wheel in a sleeving mode, and a second synchronous belt wheel is arranged at the bottom of the synchronous belt. The device has the advantages of few vibration parts, small mass, extremely low impact load, small influence on a machine tool, high machining efficiency, short and small cuttings, easiness in removal, no damage to the surface of a product and the like.

Description

Technical Field

[0001] The utility model relates to the field of vibrating turning tool holders, in particular to a vibrating turning tool holder. Background Art

[0002] With the development of the economy and the progress of society, efficient and intelligent automatic turning equipment is becoming more and more common in production. In turning processing, the inability to break chips leads to a significant reduction in production efficiency, iron chips scratching the product, and abnormal damage to the tool, which have become serious problems in turning processing.

[0003] Existing chip breaking technologies usually achieve the purpose of chip breaking by machining various chip breaking grooves on the tool or adding a chip breaking program to the control system.

[0004] However, machining various chip-breaking grooves on the tool has the disadvantages of unreliable chip breaking, poor controllability, and is ineffective for materials with high plasticity. Chip breaking programs added to the control system often result in excessive idle strokes, reducing machining efficiency. Furthermore, the large number of moving parts and their heavy mass easily generate large impact loads, reducing the accuracy and life of the machine tool.

[0005] Therefore, it is necessary to provide a new vibration turning tool holder to solve the above technical problems. Utility Model Content

[0006] In order to solve the above technical problems, the utility model provides a vibrating turning tool holder which is convenient for peeling.

[0007] The vibration turning tool holder provided by the utility model includes a fixed head, the top of the tool clamp is connected to the front sealing cover, the interior of the front sealing cover is provided with an O-ring, the outer side of the tool clamp is sleeved with a tool seat, the outer side of the tool clamp is sleeved with a fixing ring, the interior of the fixing ring is provided with a vibration ring, one side of the fixing ring is provided with a pulling ring, the interior of the pulling ring is inserted with a pulling pin, the outer side of the tool clamp is provided with a lower cover shell, the top of the lower cover shell is connected to the motor cover, the interior of the motor cover is provided with a servo motor seat, the interior of the servo motor seat is provided with a servo motor, the output shaft of the servo motor is connected to a first synchronous pulley, the outer side of the first synchronous pulley is sleeved with a synchronous belt, the bottom of the synchronous belt is provided with a second synchronous pulley, one side of the tool seat is screwed with a second inner hexagonal cylindrical screw, the outer side of the second inner hexagonal cylindrical screw is screwed with a sensor fixing plate, and the sensor fixing plate is provided with a position sensor.

[0008] In order to achieve the effect of fixing the tool clamp, the utility model provides a vibrating lathe tool holder. Preferably, the top of one side of the tool holder is screwed with a hexagonal flat-end screw and a flat-head knurled screw, and one side of the tool holder is connected with a first hexagonal cylindrical screw.

[0009] In order to reduce the friction between the second synchronous pulley and the pulley support seat, the utility model provides a vibrating turning tool holder. Preferably, the outer side of the tool holder is provided with a pulley support seat, and the outer side of the pulley support seat is provided with a deep groove ball bearing, and the outer side of the deep groove ball bearing is in contact with the inner wall of the second synchronous pulley.

[0010] In order to achieve the effect of limiting the vibration ring to prevent separation from the rolling body, the utility model provides a vibrating turning tool holder. Preferably, a groove is provided on one side of the pulley support seat, and a butterfly spring is provided inside the groove, and an elastic retaining spring is provided on one side of the butterfly spring. A stainless steel gasket is provided on one side of the tool holder, and an elastic diaphragm is provided on one side of the stainless steel gasket, and a hexagonal shoulder screw is inserted into the interior of the stainless steel gasket and the elastic diaphragm.

[0011] In order to achieve the effect of easy and quick installation, the utility model provides a vibrating turning tool holder. Preferably, the outer side of the hexagonal shoulder screw is provided with an anti-rotation plate, the interior of the anti-rotation plate is provided with an ordinary flat key, a small round nut is provided on one side of the anti-rotation plate, the inner ring of the small round nut is screwed to the outer side of one end of the tool holder, a hexagonal nut is provided on one side of the anti-rotation plate, the interior of the hexagonal nut is screwed with a magnetic screw, the outer side of the magnetic screw is provided with a rubber tube, and a rubber hose is provided on one side of the anti-rotation plate, and the rubber hose is sleeved on the outer side of the tool holder.

[0012] In order to achieve the effect of reducing friction, the utility model provides a vibrating lathe tool holder, preferably, the outer side of the tool holder is respectively provided with a first steel ball and a second steel ball, the outer side of the first steel ball is provided with a first steel ball sleeve, and the outer side of the second steel ball is provided with a second steel ball sleeve.

[0013] In order to achieve the limiting effect, the utility model provides a vibrating turning tool holder. Preferably, the inside of the pull ring and the second synchronous pulley are both screwed with a third hexagonal cylindrical screw, and a spacer sleeve is provided between the two deep groove ball bearings, and the spacer sleeve is provided on the outside of the pulley support seat.

[0014] In order to achieve the effect of installing and fixing the lower cover shell, the utility model provides a vibrating turning tool holder. Preferably, the outer side of the tool clamp is provided with a flattened steel wire retaining ring for the shaft, the bottom of the lower cover shell is connected to a lower fixing plate, and one side of the lower cover shell is connected to a side fixing plate.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] The servo motor drives the first synchronous pulley to rotate, and the first synchronous pulley drives the second synchronous belt to rotate through the synchronous belt. The second synchronous pulley drives the fixed ring to rotate through the pull ring, and the fixed ring drives the internal spherical rolling body to move. The rolling body moves along the curved surface outside the vibration ring, pushing the vibration ring to undergo periodic changes, thereby pushing the tool holder to move back and forth, driving the clamped tool to perform controllable periodic motion, and realizing forced chip breaking and cutting. It has the advantages of few vibrating parts, small mass, extremely low impact load, and little impact on the machine tool. At the same time, it has high processing efficiency, short chips, easy removal, and no damage to the product surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A structural schematic diagram of a preferred embodiment of a vibrating lathe tool holder provided by the utility model;

[0018] Figure 2 for Figure 1 A schematic diagram of the internal structure of the lower cover is shown;

[0019] Figure 3 for Figure 2 A cross-sectional view of the internal structure of the tool holder and tool holder shown;

[0020] Figure 4 for Figure 3 The structural side view of the motor cover and the lower cover is shown.

[0021] Numbers in the figure: 1. Tool holder; 2. Front cover; 3. O-ring; 4. Hexagon socket flat-end screw; 5. Flat-head knurled screw; 6. Tool holder; 7. Retaining ring; 8. Vibration ring; 9. Puller ring; 10. First synchronous pulley; 11. Synchronous belt; 12. Second synchronous pulley; 13. Deep groove ball bearing; 14. Pulley support seat; 15. Servo motor seat; 16. Butterfly spring; 17. First hexagon socket cylindrical screw; 18. Elastic retaining ring; 19. Servo motor; 20. Motor cover; 21. Lower cover; 22. Elastic diaphragm; 23. Hexagon socket shoulder screw Nail; 24. Stainless steel gasket; 25. Anti-rotation plate; 26. Ordinary flat key; 27. First steel ball; 28. Small round nut; 29. ​​Type 1 hexagonal nut; 30. Magnetic screw; 31. Rubber hose; 32. Rubber tube; 33. Second hexagon socket cylindrical screw; 34. Sensor fixing plate; 35. Position sensor; 36. First steel ball sleeve; 37. Third hexagon socket cylindrical screw; 38. Spacer; 39. Flattened wire retaining ring for shaft; 40. Pull pin; 41. Second steel ball; 42. Second steel ball sleeve; 43. Lower fixing plate; 44. Side fixing plate. DETAILED DESCRIPTION

[0022] The present invention will be further described below with reference to the accompanying drawings and implementation examples.

[0023] Please refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 4 ,in Figure 1 A structural schematic diagram of a preferred embodiment of a vibrating lathe tool holder provided by the utility model; Figure 2 for Figure 1 A schematic diagram of the internal structure of the lower cover is shown; Figure 3 for Figure 2 A cross-sectional view of the internal structure of the tool holder and tool holder shown; Figure 4 for Figure 3 The side view of the structure of the motor cover and the lower cover is shown. The vibrating lathe tool holder includes a tool holder 1, the top of the tool holder 1 is connected to a front cover 2, an O-ring 3 is provided inside the front cover 2, a tool holder 6 is sleeved on the outside of the tool holder 1, a fixed ring 7 is sleeved on the outside of the tool holder 1, a vibration ring 8 is provided inside the fixed ring 7, the outer side of the vibration ring 8 has a curved surface, a pull ring 9 is provided on one side of the fixed ring 7, a pull pin 40 is inserted into the pull ring 9, a lower cover 21 is provided on the outside of the tool holder 1, the top of the lower cover 21 is connected to the motor cover 20, the motor cover 20 A servo motor seat 15 is provided inside the servo motor seat 15, a servo motor 19 is provided inside the servo motor seat 15, the output shaft of the servo motor 19 is connected to the first synchronous pulley 10, the outer side of the first synchronous pulley 10 is sleeved with a synchronous belt 11, the bottom of the synchronous belt 11 is provided with a second synchronous pulley 12, one side of the tool holder 6 is screwed with a second hexagon socket cylindrical screw 33, the outer side of the second hexagon socket cylindrical screw 33 is screwed with a sensor fixing plate 34, and the sensor fixing plate 34 is provided with a position sensor 35.

[0024] In the specific implementation process, Figure 1 、 Figure 2 and Figure 3 As shown, the top of one side of the tool holder 6 is screwed with a hexagon socket flat-end screw 4 and a flat-head knurled screw 5 respectively, and one side of the tool holder 6 is connected to a first hexagon socket cylindrical screw 17.

[0025] refer to Figure 1 、 Figure 2 and Figure 3 As shown, the outer side of the tool holder 1 is provided with a pulley support seat 14 , and the outer side of the pulley support seat 14 is provided with a deep groove ball bearing 13 , and the outer side of the deep groove ball bearing 13 is in contact with the inner wall of the second synchronous pulley 12 .

[0026] It should be noted that: a groove is provided inside the front cover 2, and the O-ring 3 is inserted inside the groove. The front cover 2 is fixedly connected to the knife seat 6 by bolts. A spherical rolling body is provided between the fixed ring 7 and the vibration ring 8, and a curved surface is provided on the outside of the vibration ring 8. The outer side of the rolling body fits the curved surface. The fixed ring 7 and the pulling ring 9 are fixedly connected by a pulling pin 40. The servo motor seat 15 and the motor cover 20 are fixed by screws, and the servo motor seat 15 and the servo motor 19 are fixed by screws. The model of the first synchronous pulley 10 is AF5M25 tooth synchronous pulley, the specification of the second synchronous pulley 12 is AF534 tooth synchronous pulley, the specification of the synchronous belt 11 is HTD-5M-305-15, and the material is rubber. The first synchronous pulley 10 and the output shaft of the servo motor 19 are keyed, and the second synchronous pulley 12 is slidably sleeved on the outside of the pulley support seat 14.

[0027] refer to Figure 1 、 Figure 2 and Figure 3 As shown, a groove is provided on one side of the pulley support seat 14, and a butterfly spring 16 is provided inside the groove, an elastic retaining spring 18 is provided on one side of the butterfly spring 16, a stainless steel gasket 24 is provided on one side of the knife seat 6, an elastic diaphragm 22 is provided on one side of the stainless steel gasket 24, and a hexagon socket shoulder screw 23 is inserted into the interior of the stainless steel gasket 24 and the elastic diaphragm 22.

[0028] It should be noted that the pulley support seat 14 is slidably sleeved on the outer side of the tool holder 1 , and the butterfly spring 16 is provided between the elastic retaining spring 18 and the pulley support seat 14 .

[0029] refer to Figure 1 、 Figure 2 and Figure 3 As shown, the outer side of the hexagon socket shoulder screw 23 is provided with an anti-rotation plate 25, the interior of the anti-rotation plate 25 is provided with a common flat key 26, a small round nut 28 is provided on one side of the anti-rotation plate 25, the inner ring of the small round nut 28 is screwed to the outer side of one end of the tool holder 1, a type 1 hexagonal nut 29 is provided on one side of the anti-rotation plate 25, the interior of the type 1 hexagonal nut 29 is screwed with a magnetic screw 30, the outer side of the magnetic screw 30 is provided with a rubber tube 32, and a rubber hose 31 is provided on one side of the anti-rotation plate 25, and the rubber hose 31 is sleeved on the outer side of the tool holder 1.

[0030] It should be noted that: a limit slot is provided on the anti-rotation plate 25, and a common flat key 26 is clamped inside the limit slot to prevent rotation. A magnetic screw 30 is provided, and the function of the magnetic screw 30 is to provide a position signal of the tool holder 1 together with the position sensor 35. The anti-rotation plate 25 is fixed to the tool holder 6 through the hexagonal shoulder screw 23 and the elastic diaphragm 22. The elastic diaphragm 22 functions as an elastic coupling. The anti-rotation plate 25 is fixed to the tool holder 1 through the common flat key 26 and the small round nut 28 to prevent the tool holder 1 from rotating).

[0031] refer to Figure 1 、 Figure 2 and Figure 3 As shown, a first steel ball 27 and a second steel ball 41 are respectively provided on the outside of the tool holder 1 . A first steel ball sleeve 36 is sleeved on the outside of the first steel ball 27 , and a second steel ball sleeve 42 is sleeved on the outside of the second steel ball 41 .

[0032] It should be noted that by arranging the first steel ball 27 and the second steel ball 41 on the outer side of the tool holder 1 , the friction between the tool holder 1 and the tool seat 6 can be reduced, thereby extending the service life.

[0033] refer to Figure 1 、 Figure 2 and Figure 3 As shown, the inner parts of the pull ring 9 and the second synchronous pulley 12 are both screwed with a third hexagon socket cylindrical screw 37 , and a spacer sleeve 38 is provided between the two deep groove ball bearings 13 , and the spacer sleeve 38 is sleeved on the outer side of the pulley support seat 14 .

[0034] It should be noted that the spacer sleeve 38 is slidably mounted on the outer side of the pulley support seat 14 . The spacer sleeve 38 is provided between the two deep groove ball bearings 13 to prevent the two deep groove ball bearings 13 from colliding.

[0035] refer to Figure 1 and Figure 4 As shown, the outer side of the tool holder 1 is provided with a shaft flattened wire retaining ring 39 , the bottom of the lower cover 21 is connected to a lower fixing plate 43 , and one side of the lower cover 21 is connected to a side fixing plate 44 .

[0036] The working principle of a vibrating turning tool holder provided by the utility model is as follows:

[0037] During use, the servo motor 19 is started to drive the first synchronous pulley 10 to rotate, and the first synchronous pulley 10 drives the second synchronous pulley 12 to rotate through the synchronous belt 11. The second synchronous pulley 12 drives the fixed ring 7 to rotate through the pull ring 9, and the fixed ring 7 drives the internal spherical rolling body to move. The rolling body moves along the curved surface on the outside of the vibration ring 8, pushing the vibration ring 8 to perform periodic axial movement, and then pushing the tool clamp 1 to move back and forth. A groove is opened on the side of the pulley support seat 14 away from the vibration ring 8, and a butterfly spring 16 is arranged inside the groove. The function of the butterfly spring 16 is to pull the tool clamp 1 backward so that the vibration ring 8 is always pressed on the spherical rolling body. When the tool clamp 1 moves back and forth, the first steel ball 27 and the second steel ball 41 on the outside of the tool clamp 1 are convenient for reducing the friction between the tool clamp 1 and the tool seat 6, and the first steel ball sleeve 36 and the second steel ball sleeve 42 are convenient for fixing and limiting the first steel ball 27 and the second steel ball 41.

[0038] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A vibrating turning tool holder, characterized in that: The present invention comprises a tool holder (1), wherein the top of the tool holder (1) is connected to a front cover (2), an O-ring (3) is provided inside the front cover (2), a tool holder (6) is sleeved on the outer side of the tool holder (1), a fixing ring (7) is sleeved on the outer side of the tool holder (1), a vibration ring (8) is provided inside the fixing ring (7), the outer side of the vibration ring (8) has a curved surface, a pull ring (9) is provided on one side of the fixing ring (7), a pull pin (40) is inserted inside the pull ring (9), a lower cover (21) is provided on the outer side of the tool holder (1), the top of the lower cover (21) is connected to a motor cover (20), the motor cover (21) is provided on the outer side of the tool holder (1), and the motor cover (20) is provided on the outer side of the tool holder (1). A servo motor seat (15) is provided inside the hood (20), a servo motor (19) is provided inside the servo motor seat (15), an output shaft of the servo motor (19) is connected to a first synchronous pulley (10), a synchronous belt (11) is sleeved on the outer side of the first synchronous pulley (10), a second synchronous pulley (12) is provided at the bottom of the synchronous belt (11), a second hexagon socket cylindrical screw (33) is screwed on one side of the knife seat (6), a sensor fixing plate (34) is screwed on the outer side of the second hexagon socket cylindrical screw (33), and a position sensor (35) is provided on the sensor fixing plate (34).

2. The vibration turning tool holder according to claim 1, characterized in that: The top of one side of the knife seat (6) is respectively screwed with a hexagonal flat-end screw (4) and a flat-head knurled screw (5), and one side of the knife seat (6) is connected to a first hexagonal cylindrical screw (17).

3. The vibration turning tool holder according to claim 1, characterized in that: The outer side of the tool holder (1) is provided with a pulley support seat (14), the outer side of the pulley support seat (14) is provided with a deep groove ball bearing (13), and the outer side of the deep groove ball bearing (13) is in contact with the inner wall of the second synchronous pulley (12).

4. The vibrating turning tool holder according to claim 3, characterized in that: A groove is provided on one side of the pulley support seat (14), and a butterfly spring (16) is provided inside the groove, an elastic retaining spring (18) is provided on one side of the butterfly spring (16), a stainless steel gasket (24) is provided on one side of the knife seat (6), an elastic diaphragm (22) is provided on one side of the stainless steel gasket (24), and a hexagon socket shoulder screw (23) is inserted inside the stainless steel gasket (24) and the elastic diaphragm (22).

5. The vibrating turning tool holder according to claim 4, characterized in that: The outer side of the hexagon socket shoulder screw (23) is provided with an anti-rotation plate (25), the interior of the anti-rotation plate (25) is provided with a common flat key (26), one side of the anti-rotation plate (25) is provided with a small round nut (28), the inner ring of the small round nut (28) is screwed to the outer side of one end of the tool holder (1), one side of the anti-rotation plate (25) is provided with a type 1 hexagonal nut (29), the interior of the type 1 hexagonal nut (29) is screwed with a magnetic screw (30), the outer side of the magnetic screw (30) is provided with a rubber tube (32), one side of the anti-rotation plate (25) is provided with a rubber hose (31), and the rubber hose (31) is sleeved on the outer side of the tool holder (1).

6. The vibrating turning tool holder according to claim 1, characterized in that: A first steel ball (27) and a second steel ball (41) are respectively provided on the outside of the tool holder (1); a first steel ball sleeve (36) is provided on the outside of the first steel ball (27); and a second steel ball sleeve (42) is provided on the outside of the second steel ball (41).

7. The vibration turning tool holder according to claim 3, characterized in that: The inner parts of the pull ring (9) and the second synchronous pulley (12) are both screwed with a third hexagonal cylindrical screw (37), and a spacer sleeve (38) is provided between the two deep groove ball bearings (13), and the spacer sleeve (38) is sleeved on the outer side of the pulley support seat (14).

8. The vibrating turning tool holder according to claim 1, characterized in that: The outer side of the tool holder (1) is provided with a flattened steel wire retaining ring (39) for the shaft, the bottom of the lower cover shell (21) is connected to a lower fixing plate (43), and one side of the lower cover shell (21) is connected to a side fixing plate (44).

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