阅读说明：本技术 第四轴力矩电机高速数控转台 (High-speed numerical control rotary table of fourth shaft torque motor ) 是由 游义明 王文韬 夏锴 曲巍 周雄雄 梁浩 江益平 于 2021-06-30 设计创作，主要内容包括：本申请公开了一种第四轴力矩电机高速数控转台,包括机壳,机壳内固定连接有电机和减速机,电机输出轴连接减速机输入轴,减速机输出轴同轴连接有转盘,电机输出轴和减速机输入轴通过轴套一连接,减速机输出轴和转盘通过轴套二连接,机壳内设有驱动件,驱动件用于驱动轴套一移动,机壳上设有传动组件一,轴套一移动以将电机输出轴动力传输方向从减速机输入轴调节至传动组件一输入轴,传动组件一输出轴和转盘连接,机壳上设有传动组件二,轴套一移动并通过传动组件二带动轴套二移动,轴套二移动以断开轴套二和减速机输出轴之间的传动连接,本申请具有便于适应转盘实际的使用需求的效果。(The application discloses high-speed numerical control revolving stage of fourth shaft torque motor, which comprises a housing, fixedly connected with motor and speed reducer in the casing, motor output shaft connection speed reducer input shaft, speed reducer output shaft coaxial coupling has the carousel, motor output shaft and speed reducer input shaft pass through axle sleeve one and connect, speed reducer output shaft and carousel pass through axle sleeve two and connect, be equipped with the driving piece in the casing, the driving piece is used for driving axle sleeve one and removes, be equipped with drive assembly one on the casing, axle sleeve one removes and adjusts to drive assembly one input shaft with motor output shaft power transmission direction from the speed reducer input shaft, drive assembly one output shaft and carousel are connected, be equipped with drive assembly two on the casing, axle sleeve one removes and drives axle sleeve two through drive assembly two and removes, axle sleeve two removes and connects with the transmission between disconnection axle sleeve two and the speed reducer output shaft, this application has the effect of the actual user demand of adaptation carousel of being convenient for.)

1. The utility model provides a high-speed numerical control revolving stage of fourth shaft torque motor, includes casing (1), fixedly connected with motor (2) and speed reducer (3) in casing (1), motor (2) output shaft is connected speed reducer (3) input shaft, speed reducer (3) output shaft coaxial coupling has carousel (5), its characterized in that: the output shaft of the motor (2) is connected with the input shaft of the speed reducer (3) through a first shaft sleeve (6), the output shaft of the speed reducer (3) is connected with the rotary disc (5) through a second shaft sleeve (12), a driving piece is arranged in the machine shell (1), the driving piece is used for driving the first shaft sleeve (6) to move, the shell (1) is provided with a first transmission component, the first shaft sleeve (6) moves to adjust the power transmission direction of the output shaft of the motor (2) from the input shaft of the speed reducer (3) to the input shaft of the first transmission component, an output shaft of the first transmission component is connected with the rotary disc (5), a second transmission component is arranged on the casing (1), the first shaft sleeve (6) moves and drives the second shaft sleeve (12) to move through the second transmission assembly, and the second shaft sleeve (12) moves to disconnect the transmission connection between the second shaft sleeve (12) and the output shaft of the speed reducer (3).

2. The high-speed numerical control turntable for the fourth shaft torque motor, according to claim 1, wherein: the drive member comprises a cylinder (9).

3. The high-speed numerical control turntable for the fourth shaft torque motor, according to claim 1, wherein: the first transmission assembly comprises a transmission rod (21) and a first bevel gear (20), the transmission rod (21) is rotatably connected in the shell (1), the first bevel gear (20) is coaxially and fixedly connected to one end of the transmission rod (21), a second bevel gear (22) is coaxially and fixedly connected to the first shaft sleeve (6), the first shaft sleeve (6) slides to enable the first bevel gear (20) and the second bevel gear (22) to be meshed and connected, and the transmission rod (21) drives the rotary disc (5) to rotate through a belt (23) assembly.

4. The high-speed numerical control turntable for the fourth shaft torque motor, according to claim 3, wherein: the motor (2) and the speed reducer (3) are respectively provided with a cooling pipe (25) in a winding manner, cooling liquid is injected into the cooling pipe (25), and a water pump (26) for driving the cooling liquid to move circularly is arranged on the cooling pipe (25).

5. The high-speed numerical control turntable for the fourth shaft torque motor, according to claim 4, wherein: two cooling tube (25) end to end form the return circuit, and the intercommunication has connecting pipe (27) between two cooling tube (25), winds to establish and is equipped with solenoid valve (28) on cooling tube (25) on speed reducer (3).

6. The high-speed numerical control turntable for the fourth shaft torque motor, according to claim 5, wherein: the water pump (26) is provided with a transmission part, the motor (2) drives the water pump (26) to operate through the transmission part, and the first shaft sleeve (6) moves to adjust the power transmission direction of the output shaft of the motor (2) from one transmission part input shaft to the other transmission part input shaft.

7. The high-speed numerical control turntable for the fourth shaft torque motor, according to claim 6, wherein: the transmission part comprises a third bevel gear (29), the third bevel gear (29) is coaxially and fixedly connected to the input shaft of the water pump (26), a fourth bevel gear (30) is coaxially and fixedly connected to the first shaft sleeve (6), and the second bevel gear (22) and the fourth bevel gear (30) are respectively used for being meshed with the third bevel gear (29).

8. The high-speed numerical control turntable for the fourth shaft torque motor, according to claim 1, wherein: the second transmission assembly comprises a gear (15) and a rack (16), the rack (16) is arranged on the first shaft sleeve (6) and follows the first shaft sleeve (6) to move, the gear (15) is rotatably connected into the machine shell (1), the gear (15) is meshed with the rack (16) to be connected, and the gear (15) rotates to drive the second shaft sleeve (12) to move through a screw rod transmission mechanism.

Technical Field

The invention relates to the field of numerical control turntables, in particular to a fourth shaft torque motor high-speed numerical control turntable.

Background

Numerically controlled turrets are commonly used in machining centers to locate or machine parts.

In the related art, chinese patent with publication number CN204621562U discloses a high-speed numerical control turntable of a fourth shaft torque motor, which comprises a high-speed torque motor, a transmission shaft assembly and a table top, wherein the high-speed torque motor is provided with a stator, a rotor and a housing; the transmission shaft assembly is fixedly connected with the rotor and rotatably supported on the shell through a main support bearing and an auxiliary support bearing, and the main support bearing is an angular contact ball bearing; the table-board is fixedly connected with the transmission shaft component.

In view of the above-mentioned related art, the inventor believes that, in the actual use process, in order to further increase the torque and improve the machining precision during the ultra-high precision operation, a speed reduction mechanism is still required to realize the speed reduction output of the motor, and in addition, in the turning and milling combined machining, in order to improve the surface smoothness of the part, the high-speed output of the motor is required, so that in order to meet the actual machining requirement, a numerical control turntable with high-speed and low-speed energy conversion is required to be provided.

Disclosure of Invention

In order to facilitate the actual user demand of adaptation carousel, this application provides a high-speed numerical control revolving stage of fourth shaft torque motor.

The application provides a high-speed numerical control revolving stage of fourth shaft torque motor adopts following technical scheme:

a fourth shaft torque motor high-speed numerical control rotary table comprises a shell, wherein a motor and a speed reducer are fixedly connected in the shell, a motor output shaft is connected with a speed reducer input shaft, a speed reducer output shaft is coaxially connected with a rotary table, the motor output shaft is connected with the speed reducer input shaft through a first shaft sleeve, the speed reducer output shaft is connected with the rotary table through a second shaft sleeve, a driving piece is arranged in the shell and used for driving the first shaft sleeve to move, a first transmission assembly is arranged on the shell and moves to adjust the power transmission direction of the motor output shaft from the speed reducer input shaft to the first transmission assembly input shaft, the first transmission assembly output shaft is connected with the rotary table, a second transmission assembly is arranged on the shell, the first shaft sleeve moves and drives the second shaft sleeve to move through the second transmission assembly, and the second shaft sleeve moves to disconnect the transmission connection between the second shaft sleeve and the output shaft of the speed reducer.

By adopting the technical scheme, when the rotary table needs to work at high precision, the output shaft of the motor is connected with the input shaft of the speed reducer through the shaft sleeve I, and the output shaft of the speed reducer is connected with the rotary table, so that the low-speed rotation of the rotary table can be practiced, and the rotation precision of the rotary table is improved; when the turntable needs to rotate at a high speed, the first shaft sleeve is driven to move through the driving piece, so that the power transmission of the output shaft of the motor is transferred to the first transmission assembly, the transmission assembly drives the turntable to rotate, and the high-speed rotation of the turntable can be realized.

Optionally, the drive member comprises a cylinder.

Through adopting above-mentioned technical scheme, this driving piece simple structure, convenient operation, and the action is fast.

Optionally, the first transmission assembly comprises a transmission rod and a first bevel gear, the transmission rod is rotatably connected in the casing, the first bevel gear is coaxially and fixedly connected to one end of the transmission rod, a second bevel gear is coaxially and fixedly connected to the first shaft sleeve, the first shaft sleeve slides to enable the first bevel gear and the second bevel gear to be meshed and connected, and the transmission rod drives the turntable to rotate through the belt assembly.

By adopting the technical scheme, the cylinder drives the shaft sleeve I to move, so that the bevel gear I is meshed with the bevel gear II, the motor rotates to drive the bevel gear II to rotate, the bevel gear II rotates to drive the bevel gear I to rotate so as to drive the transmission rod to rotate, and the transmission rod rotates and drives the turntable to rotate under the action of the belt assembly; the first transmission assembly is stable in transmission, and the rotating speed of the rotating disc can be adjusted according to the tooth ratio of the belt assembly or the first bevel gear and the second bevel gear.

Optionally, the motor and the speed reducer are respectively provided with a cooling pipe in a winding manner, the cooling pipe is filled with cooling liquid, and the cooling pipe is provided with a water pump for driving the cooling liquid to circularly move.

Through adopting above-mentioned technical scheme, the water pump can drive the coolant liquid along cooling tube circulation operation to be convenient for the cooling of motor and speed reducer, and when the motor was out of work, the coolant liquid in the cooling tube will cool off naturally.

Optionally, the two cooling pipes are connected end to form a loop, a connecting pipe is communicated between the two cooling pipes, and an electromagnetic valve is arranged on the cooling pipe wound on the speed reducer.

Through adopting above-mentioned technical scheme, at the speed reducer out of work, and the motor during operation, can close the solenoid valve to control around establishing the water pump on the speed reducer out of work, then only can circulate around the coolant liquid in the cooling tube of establishing on the motor and flow, thereby can the energy saving, can promote the cooling efficiency of motor simultaneously.

Optionally, a transmission member is arranged on the water pump, the motor drives the water pump to operate through the transmission member, and the shaft sleeve moves to adjust the power transmission direction of the output shaft of the motor from one of the transmission member input shafts to the other transmission member input shaft.

Through adopting above-mentioned technical scheme, the speed reducer during operation, motor output shaft with around establishing water pump input on the speed reducer is connected to can cool off speed reducer and motor simultaneously, when the speed reducer is out of work, the axle sleeve removes, motor output shaft with around establishing water pump input on the motor is connected, thereby can adjust the operating condition of two water pumps.

Optionally, the transmission part comprises a third bevel gear, the third bevel gear is coaxially and fixedly connected to the water pump input shaft, a fourth bevel gear is coaxially and fixedly connected to the first shaft sleeve, and the second bevel gear and the fourth bevel gear are respectively used for being in meshed connection with the two third bevel gears.

By adopting the technical scheme, the shaft sleeve I moves to drive the bevel gear II and the bevel gear IV to move, so that the bevel gear II and the bevel gear IV can be controlled to be respectively meshed and connected with the two bevel gears III.

Optionally, the second transmission assembly comprises a gear and a rack, the rack is arranged on the first shaft sleeve and moves along with the first shaft sleeve, the gear is rotatably connected in the casing and meshed with the rack, and the gear rotates to drive the second shaft sleeve to move through the screw rod transmission mechanism.

Through adopting above-mentioned technical scheme, when axle sleeve one removes, drive the rack and remove to drive gear revolve, gear revolve drives axle sleeve two through lead screw drive mechanism and removes, this second transmission assembly simple structure, the transmission is stable.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the turntable needs to work at high precision, the output shaft of the motor is connected with the input shaft of the speed reducer through the shaft sleeve I, and the output shaft of the speed reducer is connected with the turntable, so that the low-speed rotation of the turntable can be practiced, and the rotation precision of the turntable is improved; when the turntable needs to rotate at a high speed, the driving piece drives the shaft sleeve to move, so that the power transmission of the output shaft of the motor is transferred to the transmission assembly I, and the transmission assembly drives the turntable to rotate, so that the high-speed rotation of the turntable can be realized;

2. this application is out of work at the speed reducer, and the motor during operation, can close the solenoid valve to control around establishing the water pump on the speed reducer out of work, then only can circulate around the coolant liquid in the cooling tube of establishing on the motor and flow, thereby can the energy saving, can promote the cooling efficiency of motor simultaneously.

Drawings

Fig. 1 is a schematic overall structure diagram of a high-speed numerical control turntable of a fourth shaft torque motor according to an embodiment of the present application;

FIG. 2 is a schematic view of the internal structure of the housing of FIG. 1;

FIG. 3 is an exploded view of the partial structure of FIG. 2;

FIG. 4 is an enlarged schematic view of area A in FIG. 2;

fig. 5 is a process diagram of the layout of the cooling tube in fig. 2.

Description of reference numerals:

1. a housing; 2. a motor; 3. a speed reducer; 4. rotating the rod; 5. a turntable; 6. a first shaft sleeve; 7. a first clamping key; 8. a first clamping groove; 9. a cylinder; 10. a connecting rod; 11. a lantern ring I; 12. a second shaft sleeve; 13. a second clamping key; 14. a second clamping groove; 15. a gear; 16. a rack; 17. a screw rod; 18. a slide bar; 19. a second lantern ring; 20. a first bevel gear; 21. a transmission rod; 22. a second bevel gear; 23. a belt; 24. a pulley; 25. a cooling tube; 26. a water pump; 27. a connecting pipe; 28. an electromagnetic valve; 29. a third bevel gear; 30. and a bevel gear four.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a fourth shaft torque motor high-speed numerical control rotary table. Referring to fig. 1 and 2, the numerical control rotary table includes a housing 1, a motor 2 and a speed reducer 3 are fixedly connected in the housing 1 through screws, a rotating rod 4 is rotatably connected outside the housing 1, a portion of the rotating rod 4 outside the housing 1 is coaxially and fixedly connected with a rotary table 5, an output shaft of the motor 2 is coaxially connected with an input shaft of the speed reducer 3 through a first shaft sleeve 6, and an output shaft of the speed reducer 3 is coaxially connected with the rotating rod 4 through a second shaft sleeve 12.

Referring to fig. 2 and 3, two ends of a first shaft sleeve 6 slide respectively and are sleeved on an output shaft of a motor 2 and an input shaft of a speed reducer 3, a first clamping key 7 is fixedly connected to the outer wall of the output shaft of the motor 2 and the outer wall of the input shaft of the speed reducer 3, a first clamping groove 8 for clamping and sliding the first clamping key 7 is formed in the inner wall of the first shaft sleeve 6, a driving piece for driving the first shaft sleeve 6 to slide is arranged on the speed reducer 3, and the first shaft sleeve 6 slides to control the first clamping key 7 on the input shaft of the speed reducer 3 to be separated from the first clamping groove 8; in the sliding process of the first shaft sleeve 6, a first clamping key 7 on the output shaft of the motor 2 is always positioned in a first clamping groove 8.

Referring to fig. 3 and 4, the driving member includes a cylinder 9, the length direction of the cylinder 9 is arranged along the sliding direction of the first shaft sleeve 6, a piston rod of the cylinder 9 is fixedly connected with a connecting rod 10, a first lantern ring 11 is fixedly connected to the connecting rod 10, and the first lantern ring 11 rotates and is sleeved on the first shaft sleeve 6.

Two ends of the second shaft sleeve 12 are respectively sleeved on the output shaft of the speed reducer 3 and the rotating rod 4 in a sliding manner, a second clamping key 13 is fixedly connected to the outer wall of the output shaft of the speed reducer 3 and the outer wall of the rotating rod 4, a second clamping groove 14 for the second clamping key 13 to be clamped and slide is formed in the inner wall of the second shaft sleeve 12, a second transmission assembly is arranged in the casing 1, the first shaft sleeve 6 slides and drives the second shaft sleeve 12 to slide through the second transmission assembly, and the second shaft sleeve 12 slides to control the second clamping key 13 on the output shaft of the speed reducer 3 to be separated from the second clamping groove 14; and in the sliding process of the second shaft sleeve 12, the second clamping key 13 on the rotating rod 4 is always positioned in the second clamping groove 14.

Referring to fig. 2 and 4, the second transmission assembly includes a gear 15 and a rack 16, the rack 16 is fixed on the connecting rod 10, the rack 16 is arranged along the length direction of the cylinder 9, the gear 15 is rotatably connected in the casing 1, the rotation axis direction of the gear 15 is arranged along the horizontal direction, the rotation axis direction of the gear 15 is perpendicular to the sliding direction of the first shaft sleeve 6, the gear 15 is meshed with the rack 16, and the gear 15 rotates to drive the second shaft sleeve 12 to move through the screw rod transmission mechanism.

The screw rod 17 transmission mechanism comprises a screw rod 17 and a sliding rod 18, the screw rod 17 is rotatably connected in the machine shell 1, the screw rod 17 is coaxially and fixedly connected with the gear 15, the second shaft sleeve 12 rotates and is sleeved with a second lantern ring 19, the sliding rod 18 is fixedly connected to the second lantern ring 19, and the screw rod 17 penetrates out of the sliding rod 18 and is in threaded connection with the sliding rod 18.

Be equipped with drive assembly one on casing 1, drive assembly one includes transfer line 21 and bevel gear 20, transfer line 21 rotates to be connected in casing 1, the coaxial fixed connection of bevel gear 20 is in the one end of transfer line 21, the coaxial fixedly connected with bevel gear two 22 of one end that axle sleeve 6 is close to motor 2, axle sleeve 6 slides and connects in order to supply bevel gear 20 and bevel gear two 22 meshing, transfer line 21 drives dwang 4 through belt assembly and rotates, belt assembly includes belt 23 and two pulleys 24, two pulleys 24 are coaxial fixed connection respectively on transfer line 21 and dwang 4, belt 23 is around establishing simultaneously on two pulleys 24, and belt 23 is in the state of tightening.

Referring to fig. 2 and 5, cooling pipes 25 are wound on the shell of the motor 2 and the shell of the speed reducer 3 and fixedly connected with the shell of the motor 2, cooling liquid is filled in the cooling pipes 25, water pumps 26 for driving the cooling liquid to move circularly are arranged on the cooling pipes 25, the shortest connecting line of the two water pumps 26 is arranged along the sliding direction of the first shaft sleeve 6, the water pumps 26 adopt gear pumps, the water pumps 26 are fixedly connected in the casing 1 through screws, the two cooling pipes 25 are connected end to form a loop, a connecting pipe 27 is communicated between the two cooling pipes 25, and electromagnetic valves 28 are arranged on the cooling pipes 25 wound on the speed reducer 3.

Be equipped with the driving medium on the water pump 26, motor 2 drives the operation of water pump 26 through the driving medium, the driving medium includes bevel gear three 29, bevel gear three 29 coaxial fixed connection is on water pump 26 input shaft, the coaxial fixedly connected with bevel gear four 30 of one end that is close to bevel gear two 22 on the axle sleeve 6, when motor 2 output shaft drives the rotation of speed reducer 3 output shaft through axle sleeve 6, bevel gear four 30 and the bevel gear three 29 meshing connection on the water pump 26 of winding on the cooling tube 25 on speed reducer 3, when bevel gear two 22 and bevel gear one 20 meshing connection, bevel gear two 22 and the bevel gear three 29 meshing connection on the water pump 26 of establishing on the cooling tube 25 on motor 2.

The implementation principle of the high-speed numerical control rotary table of the fourth shaft torque motor in the embodiment of the application is as follows: when the rotating disc 5 needs to rotate at a high speed, the air cylinder 9 is started to drive the shaft sleeve I6 to move, so that the bevel gear I20 and the bevel gear II 30 are driven to move, the bevel gear II 30 is separated from the bevel gear III 29 at the position of the speed reducer 3, the bevel gear II 22 is meshed with the bevel gear I20, and the bevel gear II 22 is meshed with the bevel gear III 29 at the position of the motor 2; meanwhile, the first shaft sleeve 6 moves to drive the rack 16 to move so as to drive the gear 15 to rotate, the gear 15 rotates to drive the screw rod 17 to rotate so as to drive the second shaft sleeve 12 to slide, and the second clamping key 13 on the output shaft of the speed reducer 3 is separated from the second clamping groove 14; therefore, after the motor 2 is started, the second bevel gear 22 rotates to drive the first bevel gear 20 to rotate, so as to drive the transmission rod 21 to rotate, and the transmission rod 21 rotates to drive the rotating rod 4 to rotate under the action of the belt 23, so as to drive the rotating disc 5 to rotate at a high speed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.