Tool turret with built-in motor

Abstract

The utility model relates to the field of numerical control tool turrets, in particular to a tool turret with a built-in motor, which comprises a box body, a cutterhead and a power motor, the cutterhead is rotatably connected to the box body, the cutterhead is used for mounting a tool and is provided with a working cavity, the power motor is embedded in the working cavity, and an output shaft of the power motor is connected with one end, extending into the working cavity, of the tool; and the power motor is used for driving the cutter mounted on the cutter head to rotate. The cutter is connected to the cutter disc, the power motor is arranged in the cutter disc and is directly connected with the cutter, the transmission efficiency between the power motor and the cutter is improved, the highest rotating speed of the cutter is further improved, and the working performance of the numerical control tool turret is improved.

Description

Technical Field

[0001] The present application relates to the field of CNC turrets, and in particular to a turret with a built-in motor. Background Art

[0002] With the development of industry, higher requirements are being placed on machine tool performance, such as processing time and processing accuracy. Turning and milling machining centers have become important processing equipment in industries such as aviation, aerospace, and military. CNC turrets are a key functional component of turning and milling machining centers. Traditional CNC turrets can only accommodate turning or boring tools for basic turning functions. For turning centers or turning and milling machines capable of turning, drilling, and milling, in addition to requiring the turret to have indexing capabilities, they also need to be able to drive live tools.

[0003] Currently, the CNC tool turrets and power tool rotations on the market all use helical gears or cylindrical gears for transmission, which have large transmission gaps, are noisy, cannot reach high speeds, are prone to wear, and cannot meet the high-speed and high-precision development requirements of the equipment manufacturing industry. Utility Model Content

[0004] In order to improve the transmission efficiency of the CNC turret and increase the maximum speed of the tool, the present application provides a built-in motor turret.

[0005] The present application provides a built-in motor turret adopting the following technical solution:

[0006] A tool turret with a built-in motor includes a box, a cutter disc and a power motor. The cutter disc is rotatably connected to the box, the cutter disc is used for installing a tool, the cutter disc is provided with a working cavity, the power motor is embedded in the working cavity, the output shaft of the power motor is connected to one end of the tool extending into the working cavity, and the power motor is used to drive the tool installed on the cutter disc to rotate.

[0007] By adopting the above technical solution, the tool is connected to the cutter disc, and a power motor is set in the cutter disc. The power motor is directly connected to the tool, which improves the transmission efficiency between the power motor and the tool, thereby increasing the maximum speed of the tool and improving the working performance of the CNC turret.

[0008] Preferably, it also includes a rotating motor and a transmission assembly, the motor power is fixedly connected to the casing, the outer periphery of the cutter disc is connected to an outer gear ring, the transmission assembly includes a gear and a transmission shaft, the transmission shaft is rotatably connected to the casing, the rotation axis of the transmission shaft is parallel to and does not overlap with the rotation axis of the cutter disc, the gear is coaxially connected to the transmission shaft, the gear is meshed with the outer gear ring, the rotating motor is connected to the side of the casing away from the cutter disc, and the rotating motor is used to drive the transmission shaft to rotate.

[0009] By adopting the above technical solution, a rotating motor is set, and the power motor is fixedly connected to the box, which makes it convenient to install a variety of tools on the cutter disc. The cutter disc is driven to rotate by the rotating motor, so that the power motor is connected to different tools, thereby improving the working efficiency of the CNC turret.

[0010] Preferably, it further comprises a fixing seat and a lifting motor, the box body is slidably connected to the fixing seat, the lifting motor is connected to the fixing seat, and the lifting motor is used to drive the box body to slide.

[0011] By adopting the above technical solution, the fixed seat is used to be installed at a designated work station, and a lifting motor is set to drive the box to slide, drive the cutter disc to rotate, and then drive the tool to slide, so that the tool is aligned with processing positions at different heights, thereby improving the applicability of the CNC turret.

[0012] Preferably, a lubrication channel is provided on the surface of the box body that contacts the fixing seat, and the box body is provided with an oil inlet channel, which is connected to the lubrication channel.

[0013] By adopting the above technical solution, lubricating oil is added from the oil inlet channel, and the lubricating oil flows along the oil inlet channel to the lubrication flow channel, thereby reducing the friction between the box and the fixed seat, reducing the wear rate between the box and the fixed seat, and increasing the service life of the CNC turret.

[0014] Preferably, the lubrication channel is in a broken line shape.

[0015] By adopting the above technical solution, the lubrication flow channel is in a broken line shape, which increases the path length of the lubrication flow channel, increases the contact area and time between the lubricating oil and the contact surface between the box body and the fixed seat, and improves the lubrication effect between the box body and the fixed seat.

[0016] Preferably, the box body includes a sliding seat and a guide rail, the guide rail is connected to the sliding seat, the length direction of the guide rail is parallel to the sliding direction of the box body, the side surface of the guide rail away from the box body slides and fits on the fixed seat, and the sliding direction of the guide rail is parallel to the length direction of the guide rail.

[0017] By adopting the above technical solution, a guide rail is set, and the surface of the guide rail on the side away from the sliding seat slides and fits against the fixed seat, guiding the sliding of the box, improving the sliding accuracy of the box, and then improving the sliding accuracy of the tool and the processing accuracy of the CNC turret.

[0018] Preferably, the box body further comprises an adjusting bolt, the adjusting bolt is connected to the guide rail, the adjusting bolt is threadedly connected to the sliding seat, and a side surface of the guide rail close to the sliding seat is tilted toward one end in the length direction of the guide rail.

[0019] By adopting the above technical solution, a gap is generated between the guide rail and the fixed seat due to long-term sliding friction. The relative positions of the guide rail and the sliding seat are adjusted so that the sliding seat abuts against different positions of the inclined surface of the guide rail, so that the side surface of the guide rail away from the sliding seat fits with the outer wall of the fixed seat, thereby improving the service life of the CNC turret.

[0020] Preferably, the lubrication flow channel includes a first flow channel, which is located on the side surface of the guide rail close to the fixed seat, and a groove is provided on the side surface of the guide rail close to the sliding seat, and the groove extends along the length direction of the guide rail. The oil inlet channel is located on the sliding seat, and the outlet of the oil inlet channel faces the groove. A connecting channel is provided at the bottom of the groove, and the connecting channel is connected to the first flow channel.

[0021] By adopting the above technical solution, a groove is set, and the groove extends along the length direction of the guide rail, so that the adjustment of the relative position of the guide rail and the sliding seat does not affect the connection between the groove and the oil inlet channel, ensuring that the lubricating oil can enter the lubrication channel through the oil inlet channel, the groove, and the connecting channel, thereby lubricating the guide rail and the fixed seat and improving the service life of the CNC turret.

[0022] Preferably, it also includes a protective cover, which is connected to one end of the box body close to the cutter disc.

[0023] By adopting the above technical solution, the possibility of debris generated by tool processing splashing onto other parts of the CNC turret is reduced, the normal use of the CNC turret is guaranteed, and the service life of the CNC turret is increased.

[0024] In summary, this application includes at least one of the following beneficial technical effects:

[0025] 1. The tool is connected to the cutterhead, and a power motor is installed inside the cutterhead. The power motor is directly connected to the tool, which improves the transmission efficiency between the power motor and the tool, thereby increasing the maximum speed of the tool and improving the working performance of the CNC turret;

[0026] 2. Long-term sliding friction between the guide rail and the fixed seat causes a gap between the guide rail and the fixed seat. Adjust the relative position of the guide rail and the sliding seat so that the sliding seat abuts against different positions of the guide rail's inclined surface, so that the side of the guide rail away from the sliding seat fits in contact with the outer wall of the fixed seat, thereby increasing the service life of the CNC turret;

[0027] 3. Set the groove, which extends along the length of the guide rail, so that the adjustment of the relative position of the guide rail and the sliding seat does not affect the connection between the groove and the oil inlet channel, ensuring that the lubricating oil can enter the lubrication channel through the oil inlet channel, the groove, and the connecting channel, and play a lubricating role between the guide rail and the fixed seat, thereby improving the service life of the CNC turret. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1It is a structural diagram of the built-in motor turret.

[0029] Figure 2 This is a partial cross-sectional view of the built-in motor turret.

[0030] Figure 3 It is a schematic diagram of the exploded structure of the main body and guide rails.

[0031] Figure 4 This is a schematic diagram of the exploded structure of the main body and guide rail from another perspective.

[0032] Figure 5 This is a cross-sectional view of the built-in motor turret.

[0033] Figure 6 This is a cross-sectional view of the built-in motor turret.

[0034] Description of reference numerals:

[0035] 1. Housing; 11. Sliding seat; 111. Main body; 1111. Rotating groove; 1112. Accommodating groove; 112. Limiting post; 1121. Oil inlet channel; 1122. Limiting groove; 12. Guide rail; 121. Groove; 122. Connecting channel; 13. Lubrication channel; 131. First flow channel; 132. Second flow channel; 14. Adjusting bolt; 15. Mounting seat; 16. Connecting plate; 161. Adjusting hole; 17. Fixing nut; 18. Connecting seat;

[0036] 2. Cutter head; 21. Working chamber; 22. Mounting slot; 23. Outer gear ring;

[0037] 3. Power motor; 31. Connection slot;

[0038] 4. Rotating mechanism; 41. Rotating motor; 42. Transmission assembly; 421. Gear; 422. Transmission shaft;

[0039] 5. Machine base; 51. Fixed base; 511. Slideway; 52. Lifting lug; 53. Mounting bracket; 531. Embedded groove; 54. Connecting column;

[0040] 6. Lifting mechanism; 61. Lifting motor; 62. Screw;

[0041] 7. Protective cover; 71. Avoidance hole. DETAILED DESCRIPTION

[0042] The present application is further described in detail below with reference to the accompanying drawings.

[0043] Reference Figure 1The embodiment of the present application discloses a built-in motor turret including a machine base 5. The machine base 5 includes a fixed base 51, a lifting lug 52 and a mounting bracket 53. The fixed base 51 is provided with a slide groove 511, which penetrates the fixed base 51 along the width direction of the fixed base 51. A plurality of connecting columns 54 are fixedly connected to the upper end of the fixed base 51, and the plurality of connecting columns 54 are distributed at intervals along the circumference of the fixed base 51. In this embodiment, there are four connecting columns 54, which are distributed at the four corners of the fixed base 51. The number of lifting lugs 52 is the same as the number of connecting columns 54 and corresponds one to one. The lower end of the lifting lug 52 is threadedly connected to the upper end of the connecting column 54. One end of the mounting bracket 53 is fixedly connected to the outer wall of the fixed base 51 on one side of the fixed base 51 in the length direction of the fixed base 51. The mounting bracket 53 is located on one side of the fixed base 51 in the width direction of the fixed base 51. The side of the mounting bracket 53 away from the fixed base 51 is evenly distributed with the embedding grooves 531, and the embedding grooves 531 are used for embedding the nozzle and the tool.

[0044] A turret with a built-in motor also includes a housing 1 and a lifting mechanism 6. The housing 1 includes a sliding seat 11, which includes a main body 111 and a limiting column 112. The main body 111 is slidably embedded in a slide groove 511. The sliding direction of the main body 111 is parallel to the height direction of the fixed seat 51. The side walls of the main body 111 on both sides along the length direction of the fixed seat 51 are in contact with the groove walls of the slide groove 511. The main body 111 extends out of the slide groove 511 at both ends along the length direction of the main body 111. The lifting mechanism 6 includes a lifting motor 61 and a screw rod 62. The upper end of the fixed seat 51 is fixedly connected to the mounting seat 15. The screw rod 62 is rotatably embedded in the slide groove 511. The rotation axis of the screw rod 62 is parallel to the sliding direction of the sliding seat 11. The screw rod 62 is threadedly connected to the main body 111. The lower end of the screw rod 62 is rotatably connected to the lower groove wall of the slide groove 511. The upper end of the screw rod 62 passes through the upper groove wall of the slide groove 511 and the mounting seat 15 in sequence. The housing of the lifting motor 61 is fixedly connected to the upper end of the mounting base 15, and the output shaft of the lifting motor 61 is coaxially fixedly connected to the upper end of the screw rod 62. A limiting post 112 is fixedly connected to the outer wall of the main body 111. Four limiting posts 112 are provided, and the four limiting posts 112 are distributed at the four corners of the main body 111. A limiting groove 1122 is provided on the outer wall of the limiting post 112 on the side close to the fixed base 51. The limiting groove 1122 is located on the side of the limiting post 112 away from the main body 111 and extends through the limiting post 112 along the height direction of the fixed base 51. The limiting groove 1122 is used for the groove walls on both sides of the slide 511 along the length direction of the fixed base 51 to be embedded. The groove walls of the limiting groove 1122 are in contact with the outer wall of the fixed base 51.

[0045] The housing 1 further includes a guide rail 12, a connecting plate 16, an adjusting bolt 14, and a fixing nut 17. The guide rail 12 slides within the retaining groove 1122. The length of the guide rail 12 is parallel to the sliding direction of the main body 111, and the sliding direction of the guide rail 12 is also parallel to the length of the guide rail 12. In this embodiment, three guide rails 12 are provided. Two guide rails 12 are located within two retaining grooves 1122 on the side of the fixing base 51 near the mounting bracket 53 along the fixed width direction. One side surface of the guide rail 12 along the width direction of the fixing base 51 abuts against the wall of the retaining groove 1122, and the other side surface of the guide rail 12 is in contact with the outer wall of the fixing base 51. Another guide rail 12 is located on the other side of the fixed base 51 along the length direction. The guide rail 12 is located in a limiting groove 1122 along the length direction of the fixed base 51, close to the mounting bracket 53. One side surface of the guide rail 12 along the length direction of the fixed base 51 abuts the wall of the limiting groove 1122, and the other side surface of the guide rail 12 abuts the outer wall of the fixed base 51. The side surface of the guide rail 12 close to the wall of the limiting groove 1122 is tilted toward the side close to the fixed base 51, away from the lifting motor 61. A connecting plate 16 is fixedly connected to the upper end of the guide rail 12. The side of the connecting plate 16 away from the fixed base 51 is provided with an adjustment hole 161. The adjusting bolt 14 slides in the adjustment hole 161, and the sliding direction of the adjusting bolt 14 is parallel to the length direction of the guide rail 12. The side surface of the adjusting nut head close to the adjusting nut rod abuts the side surface of the connecting plate 16 away from the guide rail 12. The lower end of the rod of the adjusting bolt 14 is threadedly connected to the upper end of the limiting column 112. The fixing nut 17 is threadedly connected to the outer periphery of the adjusting bolt 14 . There are three fixing nuts 17 , one fixing nut 17 abuts against the upper end of the limiting column 112 , and the other two fixing nuts 17 abut against the lower end of the connecting plate 16 .

[0046] Reference Figure 3 and Figure 4 The housing 1 is provided with a lubricating channel 13, and the lubricating channel 13 is located on the surface where the housing 1 fits with the fixed seat 51. The lubricating channel 13 includes a first channel 131 and a second channel 132. The second channel 132 is located at the wall of the limiting groove 1122, and the first channel 131 is located on the side surface of the guide rail 12 close to the fixed seat 51. In this embodiment, the first channel 131 and the second channel 132 are both in a broken line shape. A groove 121 is provided on the other side surface of the guide rail 12, and the groove 121 extends along the length direction of the guide rail 12. A connecting channel 122 is provided at the bottom of the groove 121, and the connecting channel 122 is connected to the lubricating channel. The limiting column 112 is provided with an oil inlet channel 1121, and the number of the oil inlet channels 1121 is the same as the number of the lubricating channels and corresponds one to one. The inlet of the oil inlet channel 1121 is located at the upper end of the limiting column 112, and the outlet of the oil inlet channel 1121 faces the groove 121.

[0047] Reference Figure 1 and Figure 5, a built-in motor turret also includes a protective cover 7, a cutter disc 2 and a power motor 3. The protective cover 7 is fixedly connected to the end of the main body 111 away from the mounting bracket 53 along the width direction of the fixed seat 51. The protective cover 7 is provided with an avoidance hole 71, and the end of the main body 111 close to the protective cover 7 is provided with a rotation groove 1111, and the axis of the rotation groove 1111 coincides with the axis of the avoidance hole 71. One end of the cutter disc 2 passes through the avoidance hole 71 and rotates coaxially and is embedded in the rotation groove 1111. The rotation axis of the cutter disc 2 is parallel to the width direction of the fixed seat 51. A working chamber 21 is provided at the end of the cutter disc 2 close to the bottom of the rotation groove 1111, and a plurality of mounting grooves 22 are provided on the outer periphery of the end of the cutter disc 2 away from the bottom of the rotation groove 1111. The mounting groove 22 is connected to the working chamber 21, and the mounting groove 22 is used for inserting the tool. The housing 1 also includes a connecting base 18. One end of the connecting base 18, along the rotation axis of the cutterhead 2, is fixedly connected to the bottom of the rotation groove 1111. One end of the connecting base 18 extends into the working chamber 21. The housing of the power motor 3 is fixedly connected to the end of the connecting base 18 that is distal to the bottom of the rotation groove 1111. The output shaft of the power motor 3 is configured to connect to the end of a cutting tool mounted on the cutterhead 2 that extends into the working chamber 21. A connecting groove 31 is defined at the end of the output shaft of the power motor 3 that is distal to the housing. This groove 31 is configured to receive the connecting block at the end of the cutting tool.

[0048] Reference Figure 1 and Figure 6 , a built-in motor turret also includes a rotating mechanism 4, and the rotating mechanism 4 includes a transmission assembly 42 and a rotating motor 41. The outer wall of the cutter disc 2 near the bottom of the rotating groove 1111 is coaxially fixedly connected with an outer gear ring 23. The transmission assembly 42 includes a gear 421 and a transmission shaft 422. An accommodating groove 1112 is provided at the end of the main body 111 away from the cutter disc 2. The accommodating groove 1112 extends along the direction of the rotation axis of the cutter disc 2, and the accommodating groove 1112 is connected to the rotation groove 1111. The transmission shaft 422 is rotatably embedded in the accommodating groove 1112, and the rotation axis of the transmission shaft 422 is parallel to and does not overlap with the rotation axis of the cutter disc 2. The gear 421 is coaxially fixedly connected to the end of the transmission shaft 422 near the cutter disc 2, and the gear 421 is meshed with the outer gear ring 23. The housing of the rotating motor 41 is fixedly connected to the end of the main body 111 away from the cutter disc 2, the output shaft of the rotating motor 41 extends into the accommodating groove 1112, and the output shaft of the rotating motor 41 is coaxially fixedly connected to the end of the transmission shaft 422 away from the cutter disc 2.

[0049] The implementation principle of a built-in motor turret in the embodiment of the present application is: the power motor 3 is embedded in the working chamber 21, and the output shaft of the power motor 3 is directly connected to the tool, ensuring the transmission efficiency between the power motor 3 and the tool and improving the working performance of the CNC machine tool.

[0050] When the height of the tool needs to be adjusted, the lifting motor 61 works, driving the screw rod 62 to rotate, driving the box 1 to slide, driving the cutter disc 2 to slide, and then driving the tool to slide.

[0051] When a gap appears between the guide rail 12 and the fixed seat 51, loosen the fixing nut 17 and rotate the adjusting bolt 14 to change the relative position of the abutment between the guide rail 12 and the wall of the limiting groove 1122 on the guide rail 12, so that the side surface of the guide rail 12 away from the wall of the limiting groove 1122 fits with the outer wall of the fixed seat 51.

[0052] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A turret with a built-in motor, characterized by: The invention comprises a housing (1), a cutter disc (2) and a power motor (3); the cutter disc (2) is rotatably connected to the housing (1); the cutter disc (2) is used for mounting a cutter; the cutter disc (2) is provided with a working cavity (21); the power motor (3) is embedded in the working cavity (21); the output shaft of the power motor (3) is connected to an end of the cutter extending into the working cavity (21); the power motor (3) is used for driving the cutter mounted on the cutter disc (2) to rotate; It also includes a fixing seat (51) and a lifting motor (61); the box body (1) is slidably connected to the fixing seat (51); the lifting motor (61) is connected to the fixing seat (51); the lifting motor (61) is used to drive the box body (1) to slide; A lubricating channel (13) is provided on the surface where the box body (1) and the fixing seat (51) are in contact; an oil inlet channel (1121) is provided on the box body (1); the oil inlet channel (1121) is in communication with the lubricating channel (13); The box body (1) comprises a sliding seat (11) and a guide rail (12); the guide rail (12) is connected to the sliding seat (11); the length direction of the guide rail (12) is parallel to the sliding direction of the box body (1); the side surface of the guide rail (12) away from the box body (1) is slidably attached to the fixed seat (51); the sliding direction of the guide rail (12) is parallel to the length direction of the guide rail (12).

2. The built-in motor turret according to claim 1, characterized in that: The invention also includes a rotating motor (41) and a transmission assembly (42); the rotating motor (41) is fixedly connected to the housing (1); the outer periphery of the cutter disc (2) is connected to an outer gear ring (23); the transmission assembly (42) includes a gear (421) and a transmission shaft (422); the transmission shaft (422) is rotationally connected to the housing (1); the rotation axis of the transmission shaft (422) is parallel to and does not overlap with the rotation axis of the cutter disc (2); the gear (421) is coaxially connected to the transmission shaft (422); the gear (421) is meshed with the outer gear ring (23); the rotating motor (41) is connected to a side of the housing (1) away from the cutter disc (2); and the rotating motor (41) is used to drive the transmission shaft (422) to rotate.

3. The built-in motor turret according to claim 2, characterized in that: The lubrication flow channel (13) is in a broken line shape.

4. The built-in motor turret according to claim 2, characterized in that: The box body (1) further comprises an adjusting bolt (14); the adjusting bolt (14) is connected to the guide rail (12); the adjusting bolt (14) is threadedly connected to the sliding seat (11); and a side surface of the guide rail (12) close to the sliding seat (11) is inclined toward one end in the length direction of the guide rail (12).

5. The built-in motor turret according to claim 4, characterized in that: The lubricating flow channel (13) includes a first flow channel (131); the first flow channel (131) is located on a side surface of the guide rail (12) close to the fixed seat (51); a groove (121) is provided on a side surface of the guide rail (12) close to the sliding seat (11); the groove (121) extends along the length direction of the guide rail (12); the oil inlet channel (1121) is located on the sliding seat (11); the outlet of the oil inlet channel (1121) faces the groove (121); a connecting channel (122) is provided at the bottom of the groove (121); the connecting channel (122) is connected to the first flow channel (131).

6. The built-in motor turret according to claim 2, characterized in that: It also includes a protective cover (7); the protective cover is connected to one end of the box body (1) close to the cutter disc (2).

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