Vibration turning tool rest

Abstract

The vibration turning tool rest comprises a tool holder, a front sealing cover is connected to the top of the tool holder, an O-shaped sealing ring is arranged in the front sealing cover, the tool holder is sleeved with a tool apron, the tool holder is sleeved with a fixing ring, a vibration ring is arranged in the fixing ring, a pulling ring is arranged on one side of the fixing ring, and a pulling pin is 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 invention relates to the field of vibrating turning tool holders, in particular to a vibrating turning tool holder. Background Art

[0002] With the development of economy and the progress of society, efficient and intelligent automatic turning equipment is becoming more and more common in production. In turning processing, the production efficiency is greatly reduced due to the failure of chip breaking, the iron chips scratch the product, and the abnormal damage of the tool 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 and poor controllability, and is ineffective for materials with good plasticity. The chip-breaking program added to the control system usually has many idle strokes, resulting in reduced processing efficiency. At the same time, due to the large number of moving parts and large mass, it is easy to generate large impact loads that reduce 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-mentioned technical problems. Summary of the invention

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

[0007] The vibration lathe tool holder provided by the present invention comprises a fixed head, the top of the tool clamp is connected with a front cover, the interior of the front 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, a pull ring is provided on one side of the fixing ring, a pull pin is inserted into the interior of the pull ring, a lower cover shell is provided on the outer side of the tool clamp, a motor cover is connected to the top of the lower cover shell, a servo motor seat is provided inside the motor cover, a servo motor is provided inside the servo motor seat, the output shaft of the servo motor is connected with 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, a second hexagon socket cylindrical screw is screwed on one side of the tool seat, a sensor fixing plate is screwed on the outer side of the second hexagon socket cylindrical screw, and a position sensor is provided on the sensor fixing plate.

[0008] In order to achieve the effect of fixing the tool clamp, the present invention provides a vibration lathe tool holder. Preferably, the top of one side of the tool seat is respectively screwed with a hexagonal flat-end screw and a flat-head knurled screw, and one side of the tool seat 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 present invention provides a vibrating turning tool holder. Preferably, the outer side of the tool clamp 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 present invention provides a vibration turning tool holder. Preferably, a groove is opened on one side of the pulley support seat, and a butterfly spring is arranged inside the groove, and an elastic retaining spring is arranged on one side of the butterfly spring. A stainless steel gasket is arranged on one side of the tool seat, and an elastic diaphragm is arranged on one side of the stainless steel gasket. Hexagon socket shoulder screws are 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 present invention provides a vibrating lathe tool holder, preferably, the outer side of the hexagon socket shoulder screw is sleeved with an anti-rotation plate, the interior of the anti-rotation plate is provided with a common flat key, one side of the anti-rotation plate is provided with a small round nut, the inner ring of the small round nut is screwed to the outer side of one end of the tool clamp, one side of the anti-rotation plate is provided with a hexagonal nut, the interior of the hexagonal nut is screwed with a magnetic screw, the outer side of the magnetic screw is sleeved with a rubber tube, one side of the anti-rotation plate is provided with a rubber hose, and the rubber hose is sleeved on the outer side of the tool clamp.

[0012] In order to achieve the effect of reducing friction, the present invention 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 present invention provides a vibrating lathe tool holder. Preferably, the pull ring and the second synchronous pulley are both threaded with a third hexagonal cylindrical screw, and a spacer sleeve is arranged between the two deep groove ball bearings, and the spacer sleeve is arranged on the outer side of the pulley support seat.

[0014] In order to achieve the effect of installing and fixing the lower cover shell, the present invention provides a vibrating lathe tool holder. Preferably, the outer side of the tool clamp is provided with a flattened 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 present invention has the following beneficial effects:

[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 on the outside of 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 mandatory chip breaking and cutting. It has the advantages of few vibrating parts, small mass, extremely low impact load, and small impact on machine tools. At the same time, it has the advantages of high processing efficiency, short chips, easy removal, and no damage to the product surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic structural diagram of a preferred embodiment of a vibration lathe tool holder provided by the present invention;

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

[0019] Figure 3 for Figure 2 A sectional view of the internal structure of the tool holder and the 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. knife clamp; 2. front cover; 3. O-ring; 4. hexagon socket flat-end screw; 5. flat-head knurled screw; 6. knife holder; 7. fixing ring; 8. vibration ring; 9. pulley; 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, the 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 steel 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 in conjunction with the accompanying drawings and implementation modes.

[0023] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 ,in Figure 1 A schematic structural diagram of a preferred embodiment of a vibration lathe tool holder provided by the present invention; Figure 2 for Figure 1 A schematic diagram of the internal structure of the lower cover shown; Figure 3 for Figure 2 A sectional view of the internal structure of the tool holder and the tool holder shown; Figure 4 for Figure 3 The vibrating lathe tool holder comprises a tool holder 1, a front cover 2 is connected to the top of the tool holder 1, an O-ring 3 is arranged inside the front cover 2, a tool seat 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 arranged inside the fixing ring 7, the outer side of the vibration ring 8 has a curved surface, a pull ring 9 is arranged on one side of the fixing ring 7, a pull pin 40 is inserted inside the pull ring 9, a lower cover 21 is arranged on the outer side of the tool holder 1, a motor cover 20 is connected to the top of the lower cover 21, and the motor cover 20 A servo motor seat 15 is provided inside, 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.

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

[0025] refer to Figure 1 , Figure 2 and Figure 3 As shown, the outer side of the tool holder 1 is sleeved 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 arranged between the fixing ring 7 and the vibration ring 8, and a curved surface is arranged on the outer side of the vibration ring 8, and the outer side of the rolling body fits the curved surface. The fixing ring 7 and the pulling ring 9 are fixedly connected by the 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 outer side 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 arranged inside the groove, an elastic retaining spring 18 is arranged 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 hexagon socket shoulder screws 23 are inserted inside 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 arranged 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 sleeved 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 sleeved with a rubber tube 32, and 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.

[0030] It should be noted that: a limit groove is provided on the anti-rotation plate 25, and a common flat key 26 is clamped in the inside of the limit groove to prevent rotation. A magnetic screw 30 is provided. 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 hexagon 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 a common flat key 26 and a small round nut 28 to prevent the tool holder 1 from rotating).

[0031] refer to Figure 1 , Figure 2 and Figure 3 As shown, the outer side of the tool holder 1 is provided with a first steel ball 27 and a second steel ball 41 , respectively. The outer side of the first steel ball 27 is sleeved with a first steel ball sleeve 36 , and the outer side of the second steel ball 41 is sleeved with a second steel ball sleeve 42 .

[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, it is convenient to reduce the friction between the tool holder 1 and the tool seat 6, 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 threaded with a third hexagon socket cylindrical screw 37 , 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 sleeved on the outer side of the pulley support seat 14 , and 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 sleeved with a flattened 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.

[0036] The working principle of a vibration turning tool holder provided by the present invention is as follows:

[0037] When in use, the first synchronous pulley 10 is driven to rotate by starting the servo motor 19, 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 outer side 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 outer side of the tool clamp 1 are convenient to reduce 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 to fix and limit the first steel ball 27 and the second steel ball 41.

[0038] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, 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 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 arranged inside the front cover (2), a tool seat (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 arranged inside the fixing ring (7), the outer side of the vibration ring (8) has a curved surface, a pull ring (9) is arranged on one side of the fixing ring (7), a pull pin (40) is inserted inside the pull ring (9), a lower cover (21) is arranged on the outer side of the tool holder (1), the top of the lower cover (21) is connected to a motor cover (20), and the A servo motor seat (15) is arranged inside the motor cover (20), a servo motor (19) is arranged 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 arranged 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 arranged 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 hexagon socket flat-end screw (4) and a flat-head knurled screw (5), and one side of the knife seat (6) is connected with a first hexagon socket 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 vibration 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 arranged inside the groove, an elastic retaining spring (18) is arranged 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 vibration turning tool holder according to claim 4, characterized in that: The outer side of the hexagon socket shoulder screw (23) is sleeved 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 sleeved 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 vibration turning tool holder according to claim 1, characterized in that: A first steel ball (27) and a second steel ball (41) are respectively arranged on the outer side of the tool holder (1); a first steel ball sleeve (36) is sleeved on the outer side of the first steel ball (27); and a second steel ball sleeve (42) is sleeved on the outer side of the second steel ball (41).

7. The vibration turning tool holder according to claim 3, characterized in that: The pull ring (9) and the second synchronous pulley (12) are both threaded with a third hexagon socket cylindrical screw (37), and a spacer sleeve (38) is arranged 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 vibration turning tool holder according to claim 1, characterized in that: The outer side of the tool holder (1) is sleeved 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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