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CN-117086343-B - Initiative adjustable chip breaking and refrigerated interior turning tool device

CN117086343BCN 117086343 BCN117086343 BCN 117086343BCN-117086343-B

Abstract

The invention provides an active adjustable chip breaking and cooling internal turning tool device which comprises a tool apron, an internal turning tool, a chip breaker, a belt transmission mechanism box, a direction adjusting mechanism and a motor box, wherein the internal turning tool is arranged on the tool apron, the chip breaker is connected with a transmission shaft, the belt transmission mechanism box is internally provided with the belt transmission mechanism, the direction adjusting mechanism is arranged on the internal turning tool and used for adjusting the position of the chip breaker, and the motor box is fixed at the tail end of the internal turning tool and connected with the belt transmission mechanism and used for driving the belt transmission mechanism. The active adjustable chip breaking and cooling internal turning tool device provided by the invention can solve the problems that the prior art is difficult to adapt to chip change generated when different cutting dosages and different workpiece materials are cut, a large amount of cutting heat is generated when a cutter processes a workpiece, and the like.

Inventors

  • SHU SHENGRONG
  • LI XUEWEI
  • Hu Zuchao
  • HUANG QUANFENG
  • TAN RONGKAI
  • LI MING

Assignees

  • 华东交通大学

Dates

Publication Date
20260512
Application Date
20230720

Claims (7)

  1. 1. An actively adjustable chip breaking and cooling internal turning tool device, comprising: a cutter row seat (1); the inner turning tool (2), the inner turning tool (2) is installed on the cutter row seat (1); the chip breaker (3) is connected with the transmission shaft system; a belt transmission mechanism box (4) in which a belt transmission mechanism is installed; A direction adjusting mechanism (5) which is arranged on the tool bit of the internal round turning tool (2) and is used for adjusting the position of the chip breaker (3); A motor case (6) fixed at the end of the inner round turning tool (2) and connected with the belt transmission mechanism for driving the belt transmission mechanism; The direction adjusting mechanism (5) comprises a longitudinal sliding block (56), a front-back adjusting straight notch (561), a transverse sliding block (57), a left-right adjusting straight notch (571), a lower shaft sleeve (53), a front shaft sleeve (52), a left-right adjusting T-shaped bolt (54) and a front-back adjusting T-shaped bolt (55), wherein the longitudinal sliding block (56) and the transverse sliding block (57) are nested on the front-back adjusting T-shaped bolt (55), the front-back adjusting T-shaped bolt (55) can move forwards and backwards along the front-back adjusting straight notch (561), the lower shaft sleeve (53) and the transverse sliding block (57) are nested on the left-right adjusting T-shaped bolt (54), the left-right adjusting T-shaped bolt (54) can move left and right along the left-right adjusting straight notch (571), and the front shaft sleeve (52) is fixedly connected with the lower shaft sleeve (53) through a countersunk screw (58); The inner turning tool (2) comprises a cutter bar (21), a blade (23), a nozzle (24) and a cutter pad (25), wherein the end part of the cutter bar (21) is a cutter head (22), a cooling liquid flow passage (222) is arranged in the cutter head (22), a sealing ring (223) is arranged at the joint of the cooling liquid flow passage in the cutter head and the cooling liquid flow passage in the nozzle, the cutter bar (21) is positioned in the cutter row seat (1), a blade mounting groove is formed in the cutter head (22), the blade (23) and the cutter pad (25) are fixed in the blade mounting groove through a compression screw (26), the nozzle (24) is positioned at the tail end of a longitudinal sliding block (56), is connected onto the cutter head (22) through a first inner hexagon screw (27), an outlet of the nozzle (24) is aligned with a cutter tip, and a spray cooling interface (221) is arranged on the bottom surface of the cutter head (22); The row tool holder (1) comprises a fastening bolt (11) and an inner hole tool holder (12), an inner hole (13) for clamping an inner circle turning tool is reserved on the inner hole tool holder (12), the fastening bolt (11) is used for fixing the inner circle turning tool (2), a mounting hole is reserved on the inner hole tool holder (12), and the inner hole tool holder (12) can be mounted on a machine tool operation table; The belt transmission mechanism comprises a small belt pulley (41) and a large belt pulley (43), the small belt pulley (41) is connected with a motor shaft (65) of the motor box (6) through a set screw, the large belt pulley (43) is connected with a transmission shaft (51) through a set screw, the other end of the transmission shaft (51) is fixedly connected with a direction adjustment mechanism (5), and the small belt pulley (41) and the large belt pulley (43) are connected through a belt (42).
  2. 2. The active adjustable chip breaking and cooling internal turning tool device according to claim 1, wherein the tool bit (22) is provided with a mounting screw hole, and the direction adjusting mechanism protecting cover (59) is fixedly connected with the tool bit (22) through a cover screw.
  3. 3. The actively adjustable chip breaking and cooling internal turning tool device according to claim 2, characterized in that the transmission shaft (51) is mounted in a first bearing seat (531) provided on the lower shaft sleeve (53) by means of a first rolling bearing (532) and a first hole retainer ring (533), the gear shaft (525) is mounted in a second bearing seat (522) provided on the front shaft sleeve (52) by means of a second rolling bearing (523) and a second hole retainer ring (524), the chip breaker transmission shaft (32) is mounted in a third bearing seat (521) provided on the front shaft sleeve (52) by means of a third rolling bearing (33) and a third hole retainer ring (34), the chip breaker (3) is connected with the chip breaker transmission shaft (32) by means of screws, and the gear shaft (525) transmits power to the chip breaker transmission shaft (32) for chip breaker operation.
  4. 4. An actively adjustable chip breaking and cooling internal turning tool device according to claim 3, characterized in that the motor housing end cap (62) is provided with a mounting screw hole (63) for mounting a belt drive protection cover, and the belt drive housing (4) is connected with the motor housing (6) by means of a cover screw.
  5. 5. The active adjustable chip breaking and cooling internal turning tool device according to claim 4, wherein a motor box position adjusting screw (28) and a telescopic hole (29) are arranged at the tail end of the cutter bar (21), a motor fixing screw hole is arranged on a motor box end cover (62), a motor protecting cover (66) is fixedly connected with the cutter bar (21) by adjusting the position of a movable shaft on the motor box in the telescopic hole and then screwing the adjusting screw (28), and a motor (61) is fixedly connected with the motor box end cover (62) by a second internal hexagonal screw (64).
  6. 6. The active adjustable chip breaking and cooling internal turning tool device according to claim 5, characterized in that the motor (61) is connected with a motor box end cover (62), a through hole for the motor shaft (65) to pass through is reserved on the motor box end cover (62), and the motor shaft (65) is connected with a small belt pulley (41) in the belt transmission mechanism box (4).
  7. 7. Active adjustable chip breaking and cooling internal turning tool device according to claim 6, characterized in that the motor (61) is a dc motor with a controllable rotational speed.

Description

Initiative adjustable chip breaking and refrigerated interior turning tool device Technical Field The invention relates to the technical field of machining devices for turning, in particular to an actively adjustable chip breaking and cooling internal turning tool device. Background When the internal turning tool is used for machining the surface of an inner hole of a plastic material, strip-shaped chips are generated, the strip-shaped chips are difficult to clean, continuous chips are easy to wind on the tool, the machined surface is scratched, and the tool is damaged even stopped when the tool is seriously damaged. Most of the existing chip breaking methods are that chip breaking grooves are formed in a cutter, so that an active chip breaking effect can not be achieved, and the chip breaking method is difficult to adapt to chip changes generated when different cutting amounts and different workpiece materials are cut. In addition, a large amount of cutting heat is generated when the cutter is used for machining a workpiece, and the heat is mainly concentrated on the front cutter surface, if the cutting heat is not effectively conducted out through surrounding media, the cutting temperature is too high, so that the abrasion of the cutter is accelerated, the service life of the cutter is shortened, and the machining precision and the surface quality of the workpiece are affected. Disclosure of Invention Therefore, the embodiment of the invention provides an actively adjustable chip breaking and cooling internal turning tool device, which is used for solving the problems that the prior art is difficult to adapt to chip change generated when different cutting dosages and different workpiece materials are cut, a large amount of cutting heat is generated when a cutter is used for machining a workpiece, and the like. An actively adjustable chip breaking and cooling internal turning tool device according to an embodiment of the invention comprises: A knife arranging seat; the inner turning tool is arranged on the cutter row seat; the chip breaker is connected with the transmission shaft system; A belt transmission mechanism box, in which a belt transmission mechanism is installed; the direction adjusting mechanism is arranged on the inner round lathe tool bit and is used for adjusting the position of the chip breaker; The motor case is fixed at the tail end of the inner round turning tool, is connected with the belt transmission mechanism and is used for driving the belt transmission mechanism; The direction adjusting mechanism comprises a longitudinal sliding block, a front-back adjusting straight notch, a transverse sliding block, a left-right adjusting straight notch, a lower shaft sleeve, a front shaft sleeve, a left-right adjusting T-shaped bolt and a front-back adjusting T-shaped bolt, wherein the longitudinal sliding block and the transverse sliding block are nested on the front-back adjusting T-shaped bolt and fixedly connected through a nut, the front-back adjusting T-shaped bolt can move back and forth along the front-back adjusting straight notch, the lower shaft sleeve and the transverse sliding block are nested on the left-right adjusting T-shaped bolt and fixedly connected through the nut, the left-right adjusting T-shaped bolt can move left and right along the left-right adjusting straight notch, and the front shaft sleeve is fixedly connected with the lower shaft sleeve through a countersunk screw; the inner turning tool comprises a cutter bar, the end part of the cutter bar is a cutter head, a cooling liquid flow passage is arranged in the cutter head, and a sealing ring is arranged at the joint of the cooling liquid flow passage in the cutter head and the cooling liquid flow passage in the nozzle. According to the initiative adjustable chip breaking and cooling internal turning tool device, 12mm of space is reserved between the two front-back adjusting straight slots on the longitudinal sliding block so as to facilitate the movable adjustment of the transverse sliding block, the longitudinal sliding block and the transverse sliding block are nested and installed on the two front-back adjusting T-shaped bolts, and the front-back adjusting nuts can be screwed down after the transverse sliding block is moved to a proper position so as to fix the front-back positions. The lower shaft sleeve is connected with the transverse sliding block through a left-right adjusting T-shaped fixing bolt, a 5mm space is reserved at a left-right adjusting straight slot on the transverse sliding block so as to facilitate the movable adjustment of the lower shaft sleeve, the transverse sliding block and the lower shaft sleeve are nested to be installed on the two left-right adjusting T-shaped bolts, the left-right adjusting nut is screwed down after the lower shaft sleeve is moved to a proper position, and the left-right position is fixed, and the front shaft sleeve is fixedly connected with the lower shaft sleeve thro