CN112003439A - Turret based on double-rotor motor - Google Patents
Turret based on double-rotor motor Download PDFInfo
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- CN112003439A CN112003439A CN202011184347.8A CN202011184347A CN112003439A CN 112003439 A CN112003439 A CN 112003439A CN 202011184347 A CN202011184347 A CN 202011184347A CN 112003439 A CN112003439 A CN 112003439A
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- motor
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- rotor
- cutter
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
- H02K16/02—Machines with one stator and two or more rotors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/02—Driving main working members
- B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
- B23Q5/10—Driving main working members rotary shafts, e.g. working-spindles driven essentially by electrical means
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
Abstract
The invention provides a turret based on a double-rotor motor, which comprises a double-rotor motor, a cutter head assembly and a cutter holder assembly, wherein the double-rotor motor comprises an outer motor assembly, an inner motor assembly and an output position switching assembly; the inner motor assembly is used for outputting a second torque and is in transmission connection with the tool apron assembly; the second torque has two torque output positions, and when the first torque output position is rotated, the second torque is output to the tool apron assembly to drive the tool apron assembly; when the torque is in the second output position, the second torque output is separated from the tool apron assembly, and the tool apron assembly stops being driven; the output position switching assembly is used for realizing telescopic switching of a first torque output position and a second torque output position. The two torque outputs of the invention meet the use occasion of single motor and double transmission; the second torque also has two different output positions, so that on-off switching with an external transmission mechanism can be realized, and control is facilitated.
Description
Technical Field
The invention relates to the technical field of machine tool equipment, in particular to a turret based on a double-rotor motor.
Background
The turrets on the market today are mainly classified into three categories according to the drive motor used: electric tool turrets, hydraulic tool turrets and servo tool turrets. The repeated positioning precision of the electric tool turret can only be suitable for industries with lower precision requirements, the defects of poor rigidity (adopting worm and gear transmission), low protection level and high noise are overcome, for example, common flat bed machine tools and common inclined bed machine tools on the market generally have the problems, compared with the hydraulic tool turret and the electric tool turret, the rigidity and the precision can be relatively improved, but the rotating speed is low, the structure is complex (a cam structure), the hydraulic tool turret is not suitable for mass production of batch products, and finally, in terms of the servo tool turret, the hydraulic tool turret has the advantages of high transposition speed (faster transposition of a servo motor), higher precision, better rigidity and stability and is widely used by high-end numerical control machines. The power tool turret is one of servo tool turrets, and traditional power tool turret structure is complicated, and the body increases (two motors to the motor volume of drive blade holder work is very big, and is expensive), has restricted the working stroke of lathe greatly, and too much drive mechanism is not convenient for maintain when the maintenance.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to solve the problems of complex structure and inconvenient maintenance of the cutter tower in the prior art, the invention provides the cutter tower based on the double-rotor motor, which has smaller volume, more compact transmission part, lower noise during working, lower price and simpler and more convenient later maintenance.
The technical scheme adopted for solving the technical problems is as follows: a turret based on a double-rotor motor comprises a double-rotor motor, a cutter head assembly and a cutter holder assembly, wherein the double-rotor motor comprises an outer motor assembly, an inner motor assembly and an output position switching assembly, the outer motor assembly is used for outputting a first torque, is in transmission connection with the cutter head assembly and drives the cutter head assembly to rotate through the first torque; the inner motor assembly is rotatably connected to the inner side of the outer motor assembly and used for outputting a second torque, and is in transmission connection with the cutter holder assembly; the output of the first torque and the second torque are positioned on the same side; the second torque is provided with a first torque output position and a second torque output position, and when the first torque output position is adopted, the inner motor assembly is in an outward extending state along the axis, so that the second torque is output to the tool apron assembly to drive the tool apron assembly to act; when the torque is in the second output position, the inner motor assembly is in an inward retraction state along the axis, so that the second torque output is separated from the tool apron assembly, and the tool apron assembly is stopped being driven to act; the output position switching assembly is arranged in the inner motor assembly and used for realizing telescopic switching of a first torque output position and a second torque output position.
Furthermore, the output position switching assembly comprises a telescopic driving unit, an elastic pre-tightening unit and a linear bearing assembly, the linear bearing assembly is used for reducing the resistance of axial movement, the inner motor assembly is arranged on the inner side of the linear bearing assembly, the telescopic driving unit is abutted to the outer side of the second torque output end of the inner motor assembly, the elastic pre-tightening unit is elastically supported on one side, away from the second torque output end, of the inner motor assembly, the inner motor assembly can axially reciprocate in the linear bearing assembly through the telescopic driving unit and the elastic pre-tightening unit, telescopic switching of the first torque output position and the second torque output position is achieved, and accordingly drive control over the seat assembly is achieved. The partial structure (compared with the conventional servo turret) can increase the functions of the power turret on the basis of the conventional functions, realize two functions by one motor, reduce the volume of the turret and save the cost.
Furthermore, in order to realize the axial movement of the inner motor assembly and reduce the axial resistance during the movement, the linear bearing assembly comprises a bushing, a first linear bearing and an adjusting pad which are sequentially connected along the axis, the bushing and the adjusting pad are respectively and coaxially arranged at the front end and the rear end of the first linear bearing, the outer side of the bushing is fixedly connected with the outer motor rotor, and the inner side of the bushing is in sliding connection with the inner motor shell; the inner ring of the first linear bearing is connected with the inner motor shell in a sliding manner, and the outer ring of the first linear bearing is fixedly connected with the outer motor rotor; two end faces of the adjusting pad are respectively contacted with the first linear bearing and the rear pressing plate and used for adjusting the assembling clearance. The axial sliding is converted into the circumferential rotation through the linear bearing, so that the axial resistance is reduced. The two functions of radial and axial are realized by using less transmission components.
Furthermore, in order to realize the output of the second torque, the inner motor assembly further comprises an inner motor shell, an inner motor stator winding, an inner motor rotor and an inner motor output main shaft, two ends of the inner motor rotor are respectively connected with the inner motor shell through an inner bearing assembly and an outer bearing assembly, the inner side of the inner bearing assembly abuts against the elastic pre-tightening unit, the outer side of the outer bearing assembly is provided with a conical end cover, and the end part of the telescopic driving unit abuts against the conical end cover; the inner motor rotor is fixed on an inner motor output main shaft in the inner motor shell, the inner motor stator winding is coaxially arranged between the inner motor rotor and the inner motor shell, and one end of the inner motor output main shaft extends outwards to form a second torque output end. This structure can start automatic early warning when motor or system lose the electricity, and the sword tower is not hard up when preventing that the motor from losing power can play the effect that the prevention collided the machine, makes the sword tower more stable.
Further, still be equipped with water-cooling structure between interior motor casing and the interior motor stator winding, water-cooling structure includes the water-cooling sleeve, be equipped with the water-cooling circulation groove on the outer wall of water-cooling sleeve, water-cooling circulation groove and interior motor casing inner wall sealing connection. The inner motor has higher rotating speed and obvious heating, is nested inside the rotor of the outer motor, does not dissipate heat well, and needs to be added with a water cooling unit. Preferably, the water-cooling circulation tank has an annular or spiral structure. The high heat generated by the cutter tower motor during high-speed or high-torque cutting can be quickly dissipated, and the cutter tower motor can adapt to high-strength machining action for a long time.
Furthermore, in order to realize the axial telescopic motion of the inner motor assembly, the telescopic driving unit comprises a hydraulic cylinder and a telescopic stop block, the cylinder body of the hydraulic cylinder is fixed on the inner wall of the bushing, and the end part of a push rod of the hydraulic cylinder is fixedly connected with the telescopic stop block and can drive the telescopic stop block to reciprocate along the axis; the inner wall of the telescopic stop block is of a conical structure matched with the conical end cover. The end parts of the conical structures are easy to assemble and match, and the separation is easy to realize when the hydraulic cylinder retracts. The shaft section of the telescopic stop block is wedge-shaped, so that the limiting and inward pushing of the inner motor assembly are facilitated; the structure of the hydraulic cylinder and the telescopic stop block can also adopt various forms, the telescopic stop block can be an integral annular structure, and a plurality of hydraulic cylinders are uniformly arranged on the circumference of the annular structure, so that the balance of the thrust is ensured; the telescopic stop blocks can also be a plurality of spaced arc stop blocks, and each arc stop block is provided with a hydraulic cylinder for pushing, so that the stress on the conical end cover is uniform.
Furthermore, the outer motor assembly comprises an outer motor shell, an outer motor stator winding and an outer motor rotor, wherein two ends of the outer motor rotor are respectively and rotatably connected to the inner side of the outer motor shell through an inner bearing and an outer bearing; the outer motor rotor extends outwards to form an outer motor shell to form a first torque output end.
Further, the front end of outer motor casing is equipped with the front end housing of outside electric motor rotor one side buckling, be equipped with annular preceding clamp plate between front end housing and the outer bearing, the rear end of outer motor casing is equipped with back clamp plate and rear end cap, the rear end cap lid closes the rear end at outer motor casing, between bearing and the rear end cap, in order to control outer electric motor rotor's turned angle, the outside of rear end cap still is equipped with angle encoder.
The cutter head assembly comprises a cutter head, a second linear bearing and a cutter number plate, the cutter head is fixedly connected to the first torque output end of the outer motor rotor, a plurality of cutter seat grooves extending along the radial direction are formed in the outer circumference of the cutter head, and cutters of different types are mounted in the cutter seat grooves; the outer ring of the second linear bearing is fixed with the cutter head, the inner ring of the second linear bearing is matched with the inner motor output main shaft, and the inner motor output main shaft can axially slide along the second linear bearing. Greatly saving the action space and reducing redundant gear mechanisms.
The cutter holder assembly comprises a power cutter holder, a cutter holder connecting shaft and a second transmission gear, the cutter holder connecting shaft is rotatably connected into a cutter holder groove of the cutter head through a bearing, one end of the cutter holder connecting shaft extends to an inner cavity of the cutter head along the radial direction, the end part of the cutter holder connecting shaft is fixedly connected with the second transmission gear, and the second transmission gear is used for being meshed with the first transmission gear; the other end of the cutter holder connecting shaft is fixedly connected with a power cutter holder arranged in the cutter holder groove.
The invention has the beneficial effects that: the cutter tower based on the double-rotor motor, particularly the power cutter tower, provided by the invention has the advantages that the double-rotor motor is adopted, the two rotors are provided, so that the output of two torques is realized, the use occasion of single-motor double-transmission of the cutter tower is met, and the structure of a driving device is simplified; in addition, one of the torque output ends also has two different torque output positions, so that on-off switching with the tool apron component can be realized. Because the inner motor component and the outer motor component are provided with independent electromagnetic structures, the output of single torque can be realized, and the respective control of the cutter head and the cutter is realized.
Compared with the conventional tool turret, the tool turret has the advantages that the size is greatly reduced, and the working stroke of a machine tool can be increased; the motor reduces the transmission motor and the hydraulic mechanism required by the driving tool apron during working, saves cost, has simpler and more compact structure, and generates less noise during working; only need pull down the blade holder and directly add corresponding trade mark lubricating oil when maintenance and maintenance, the maintenance is simpler.
Drawings
The invention is further illustrated by the following figures and examples.
FIG. 1 is a schematic view of the structure of the preferred embodiment of the present invention (two transmission gears are engaged).
Fig. 2 is a schematic structural view of a double-rotor motor.
Fig. 3 is a schematic view of the turret structure with two transmission gears separated.
In the figure: 1. the double-rotor motor comprises, by weight, 1-1 part of a double-rotor motor, 1-1 part of an outer motor shell, 1-2 parts of an outer motor stator winding, 1-3 parts of an outer motor rotor, 1-4 parts of an inner bearing, 1-5 parts of an outer bearing, 1-6 parts of a first torque output end, 1-7 parts of a front end cover, 1-8 parts of a front pressure plate, 1-9 parts of a rear pressure plate, 1-10 parts of a rear end cover, 1-11 parts of an angle encoder, 1-12 parts of a lining, 1-13 parts of a first linear bearing, 1-14 parts of an adjusting pad, 1-15 parts of a hydraulic cylinder, 1-16 parts of a telescopic stop block, 1-17 parts of a conical end cover, 1-18 parts of an inner bearing component, 1-19 parts of an outer bearing component, 1-20 parts of an inner motor shell, 1-21 parts of a water-, 1-24 parts of inner motor stator winding, 1-25 parts of inner motor rotor, 1-26 parts of inner motor output main shaft, 1-27 parts of pre-tightening spring, 1-28 parts of second torque output end and a first transmission gear; 2. the cutter head assembly comprises 2-1 parts of a cutter head, 2-2 parts of a second linear bearing, 2-3 parts of a cutter seat groove, 2-4 parts of a cutter number plate, 3 parts of a cutter seat assembly, 3-1 parts of a second transmission gear, 3-2 parts of a bearing, 3-3 parts of a cutter seat connecting shaft, 3-4 parts of a bearing, 3-5 parts of a power cutter seat.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic diagrams illustrating the basic structure of the present invention only in a schematic manner, and thus show only the constitution related to the present invention, and directions and references (e.g., upper, lower, left, right, etc.) may be used only to help the description of the features in the drawings. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the claimed subject matter is defined only by the appended claims and equivalents thereof.
As shown in fig. 1, the turret based on the dual-rotor motor of the present invention includes a dual-rotor motor 1, a cutter head assembly 2 and a cutter holder assembly 3, where the dual-rotor motor 1 includes an outer motor assembly, an inner motor assembly and an output position switching assembly, where the outer motor assembly is used to output a first torque, is in transmission connection with the cutter head assembly 2, and drives the cutter head assembly 2 to rotate through the first torque; the inner motor component is rotatably connected to the inner side of the outer motor component, is used for outputting a second torque at the same side as the first torque, and is in transmission connection with the cutter holder component 3; the second torque has a first torque output position and a second torque output position, and when the first torque output position is reached, the inner motor assembly is in an outward extending state along the axis, so that the second torque is output to the tool apron assembly 3 to drive the tool apron assembly 3 to act; when the tool apron assembly 3 is driven to rotate, the inner motor assembly is in an inward retracting state along the axis, so that the first torque output is separated from the tool apron assembly 3, and the tool apron assembly 3 is driven to stop acting; the output position switching assembly is arranged in the inner motor assembly and used for realizing telescopic switching of a first torque output position and a second torque output position.
As shown in fig. 2, the outer motor assembly of the dual-rotor motor 1 comprises an outer motor shell 1-1, an outer motor stator winding 1-2 and an outer motor rotor 1-3, wherein two ends of the outer motor rotor 1-3 are respectively and rotatably connected to the inner side of the outer motor shell 1-1 through an inner bearing 1-4 and an outer bearing 1-5, and the outer motor stator winding 1-2 is arranged between the outer motor shell 1-1 and the outer motor rotor 1-3 and is fixedly connected with the outer motor shell 1-1; the outer motor rotor 1-3 extends outwards to form an outer motor shell 1-1 to form a first torque output end 1-6. The front end of the outer motor shell 1-1 is provided with a front end cover 1-7 bent towards one side of an outer motor rotor 1-3, an annular front pressing plate 1-8 is arranged between the front end cover 1-7 and an outer bearing 1-5, the rear end of the outer motor shell 1-1 is provided with a rear pressing plate 1-9 and a rear end cover 1-10, the rear end cover 1-10 covers the rear end of the outer motor shell 1-1, and the rear pressing plate 1-9 is arranged between the inner bearing 1-4 and the rear end cover 1-10. In order to control the rotation angle of the rotor 1-3 of the outer motor, the motor also comprises an angle encoder 1-11, and the angle encoder 1-11 is arranged on the outer side of the rear end cover 1-10.
The inner motor component of the double-rotor motor 1 comprises inner motor housings 1-20, inner motor stator windings 1-23, inner motor rotors 1-24 and inner motor output spindles 1-25, two ends of the inner motor rotors 1-24 are respectively connected with the inner motor housings 1-20 through inner bearing components 1-18 and outer bearing components 1-19, the inner sides of the inner bearing components 1-18 abut against elastic pre-tightening units, the outer sides of the outer bearing components 1-19 are provided with conical end covers 1-17, and the end parts of the telescopic driving units abut against the conical end covers 1-17; the inner motor rotor 1-24 is fixed on an inner motor output main shaft 1-25 in the inner motor shell 1-20, the inner motor stator winding 1-23 is coaxially arranged between the inner motor rotor 1-24 and the inner motor shell 1-20, and one end of the inner motor output main shaft 1-25 extends outwards to form a second torque output end 1-27. In this embodiment, the inner bearing assembly 1-18 includes a bearing seat and a bearing, an outer ring of the bearing is fixedly connected to the bearing seat, an inner ring is fixedly connected to the inner motor output spindle 1-25, the outer bearing assembly 1-19 includes a bearing seat and a bearing, an outer ring of the bearing is fixedly connected to the bearing seat, and an inner ring is fixedly connected to the inner motor output spindle 1-25.
A water cooling structure is further arranged between the inner motor shell 1-20 and the inner motor stator winding 1-23, the water cooling structure comprises a water cooling sleeve 1-21, a water cooling circulation groove 1-22 is formed in the outer wall of the water cooling sleeve 1-21, and the water cooling circulation groove 1-22 is connected with the inner wall of the inner motor shell 1-20 in a sealing mode. Preferably, the water-cooling circulation tanks 1 to 22 have a ring-shaped or spiral structure. The water-cooling circulation grooves 1-22 of the annular structures are connected to the water inlet and the water outlet in a parallel connection mode, and each annular structure is provided with an independent water inlet and an independent water outlet; the water cooling circulation groove 1-22 with the spiral structure is generally provided with a water inlet at one end and a water outlet at the other end, and cooling water enters from one side and flows around in a spiral way to realize cooling.
The output position switching assembly of the birotor motor 1 comprises a telescopic driving unit, an elastic pre-tightening unit and a linear bearing assembly, the linear bearing assembly can reduce the resistance of axial movement, the inner motor assembly is arranged on the inner side of the linear bearing assembly, the telescopic driving unit is abutted to the outer side of the second torque output end 1-27 of the inner motor assembly, the elastic pre-tightening unit is elastically supported on one side, away from the second torque output end 1-27, of the inner motor assembly, the inner motor assembly can axially reciprocate in the linear bearing assembly through the telescopic driving unit and the elastic pre-tightening unit, and telescopic switching of the first output position of the torque and the second output position of the torque is achieved.
In the embodiment, the telescopic driving unit comprises hydraulic cylinders 1-15 and telescopic stoppers 1-16, the cylinder bodies of the hydraulic cylinders 1-15 are fixed on the inner walls of the bushes 1-12, and the end parts of push rods of the hydraulic cylinders 1-15 are fixedly connected with the telescopic stoppers 1-16 and can drive the telescopic stoppers 1-16 to reciprocate along the axis; the inner walls of the telescopic stoppers 1 to 16 are of conical structures matched with the conical end covers 1 to 17. The shaft sections of the telescopic stoppers 1 to 16 are wedge-shaped, so that the limiting and inward pushing of the inner motor component are facilitated. The structures of the hydraulic cylinders 1-15 and the telescopic stop blocks 1-16 can also adopt various forms, the telescopic stop blocks 1-16 can be of an integral annular structure, and a plurality of hydraulic cylinders 1-15 are uniformly arranged on the circumference of the annular structure to ensure the balance of thrust; the telescopic stop blocks 1-16 can also be a plurality of arc stop blocks at intervals, and each arc stop block is provided with a hydraulic cylinder 1-15 for pushing, so that the stress on the conical end covers 1-17 is uniform. The elastic pre-tightening unit adopts pre-tightening springs 1-26, the pre-tightening springs 1-26 are compressed after the inner motor assembly is pushed inwards, elastic potential energy is stored, and when the hydraulic cylinders 1-15 retract, the elastic pre-tightening unit can extend out under the action of the pre-tightening springs 1-26, so that on-off switching between the elastic pre-tightening unit and an external transmission mechanism or an execution mechanism can be realized.
The linear bearing assembly comprises a bushing 1-12, a first linear bearing 1-13 and an adjusting pad 1-14 which are sequentially connected along an axis, wherein the bushing 1-12 and the adjusting pad 1-14 are respectively coaxially arranged at the front end and the rear end of the first linear bearing 1-13 and used for fixing and limiting the first linear bearing 1-13; the outer side of the bush 1-12 is fixedly connected with the outer motor rotor 1-3, and the inner side is connected with the inner motor shell 1-20 in a sliding manner; the inner ring of the first linear bearing 1-13 is connected with the inner motor shell 1-20 in a sliding way, and the outer ring is fixedly connected with the outer motor rotor 1-3; two end faces of the adjusting pads 1-14 are respectively contacted with the first linear bearings 1-13 and the rear press plates 1-9 for adjusting the assembly clearance. As shown in fig. 3, when the inner motor assembly is pushed inward by the hydraulic cylinders 1-15, the hydraulic cylinders 1-15 are extended because the inner rings of the first linear bearings 1-13 are slidably connected with the inner motor housings 1-20, and the inner motor moves along the first linear bearings 1-13, so that the second torque output terminals 1-27 are separated from the tool input terminals; the first torque output end 1-6 rotates, the cutter is converted, the hydraulic cylinder 1-15 retracts, the inner motor is ejected out by the pre-tightening spring 1-26, the second torque output end 1-27 is meshed with the cutter input end, and the inner motor rotates to drive the cutter to rotate.
The cutter head assembly 2 comprises a cutter head 2-1 (the structure of the cutter head 2-1 in fig. 1 and 3 only shows a sectional view of a part of the structure), a second linear bearing 2-2 and a cutter number plate 2-4, wherein the cutter head 2-1 is fixedly connected to a first torque output end 1-6 of an outer motor rotor, a plurality of cutter seat grooves 2-3 extending along the radial direction are formed in the outer circumference of the cutter head 2-1, and cutters of different types are installed in the cutter seat grooves 2-3; the tool holder slots 2-3 are radial to ensure that different tools mounted therein maintain the same angle with the machining surface at the same machining position. The outer ring of the second linear bearing 2-2 is fixed with the cutter head 2-1, the inner ring of the second linear bearing is matched with the inner motor output main shaft 1-25, and the inner motor output main shaft 1-25 can axially slide along the second linear bearing 2-2. The cutter head 2-1 and the inner motor output main shaft 1-25 are fixedly connected through an intermediate structure, and the specific connection structure is not the content claimed by the invention, so that the details are not described herein.
The cutter holder assembly 3 comprises a power cutter holder 3-5, a cutter holder connecting shaft 3-3 and a second transmission gear 3-1, the cutter holder connecting shaft 3-3 is rotatably connected in a cutter holder groove 2-3 of the cutter head 2-1 through a bearing 3-2 and a bearing 3-4, one end of the cutter holder connecting shaft 3-3 extends to the inner cavity of the cutter head 2-1 along the radial direction and is fixedly connected with the second transmission gear 3-1 at the end part, and the second transmission gear 3-1 is used for being meshed with the first transmission gear 1-28; the other end of the cutter holder connecting shaft 3-3 is fixedly connected with a power cutter holder 3-5 arranged in the cutter holder groove 2-3.
In the embodiment, the cutter seat grooves 2-3 on the cutter head 2-1 are eight, eight cutters of different models can be installed, one cutter is in transmission connection with a conical gear pair formed by a first transmission gear 1-28 and a second transmission gear 3-1 which are meshed with each other in the cutter head 2-1 through a power cutter seat 3-5, the cutter can realize active machining, and the first transmission gear 1-28 and the second transmission gear 3-1 are conical gears, so that the cutter can be meshed with the cutter head 2-1 no matter the cutter rotates to any position on the cutter head 2-1; the other seven cutters are used for passive machining, machining is realized through the movement of a machine tool, and the cutter does not have power per se; therefore, the cutter corresponding to the power cutter seat 3-5 cannot be changed when the cutter head 2-1 rotates.
In actual operation, the dual-rotor motor 1 can output single torque or dual torque simultaneously, and the determination is performed according to specific situations, and the working process of the single-motor dual-transmission dual-rotor motor 1 is described in a control mode of single torque output as follows:
a control system of the double-rotor motor 1 sends a control instruction to the double-rotor motor 1, and then the double-rotor motor 1 judges whether an inner motor assembly is powered on or an outer motor assembly is powered on according to the instruction; when an instruction signal of the power-on of the outer motor component is received, the power-on of the outer motor component is controlled, and the power of the inner motor component is lost; the hydraulic cylinder 1-15 pushes the telescopic stop block 1-16 to limit so that the inner motor component moves towards the right side; the first transmission gear 1-28 and the second transmission gear 3-1 are separated, whether the inner motor output spindle 1-25 moves in place or not is judged, when the inner motor output spindle 1-25 is detected to move in place rightwards, the outer motor rotor 1-3 starts to work, the cutter head 2-1 is driven to rotate to the designated angle of the control system, and the corresponding cutter number is selected; after receiving the in-place signal of the rotor 1-3 of the outer motor, the control system sends an instruction to the motor 1 of the double rotors, at the moment, the motor 1 of the double rotors enables the outer motor component to lose power according to the instruction, the telescopic stop block 1-16 moves leftwards, when the rotor 1-24 of the inner motor is detected to move leftwards to be in place, the control system controls the output main shaft 1-25 of the inner motor to start working, the first transmission gear 1-28 is meshed with the second transmission gear 3-1 to drive the power tool apron 3-5 to rotate to a system specified angle, the control system receives the in-place signal and carries out cyclic control according to the process, and therefore switching of tool machining on the tool apron 2-1 and the power tool apron 3-. The double-rotor motor 1 can only control the external drive or the internal drive to work singly according to requirements.
In light of the foregoing description of preferred embodiments in accordance with the invention, it is to be understood that numerous changes and modifications may be made by those skilled in the art without departing from the scope of the invention. The technical scope of the present invention is not limited to the contents of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The utility model provides a sword tower based on birotor motor which characterized in that: the double-rotor motor comprises an outer motor component, an inner motor component and an output position switching component, wherein the outer motor component is used for outputting a first torque, is in transmission connection with the cutter head component and drives the cutter head component to rotate through the first torque; the inner motor component is rotatably connected to the inner side of the outer motor component and used for outputting a second torque at the same side as the first torque, and is in transmission connection with the cutter holder component; the second torque is provided with a first torque output position and a second torque output position, and when the first torque output position is adopted, the inner motor assembly is in an outward extending state along the axis, so that the second torque is output to the tool apron assembly to drive the tool apron assembly to act; when the torque is in the second output position, the inner motor assembly is in an inward retraction state along the axis, so that the second torque output is separated from the tool apron assembly, and the tool apron assembly is stopped being driven to act; the output position switching assembly is arranged in the inner motor assembly and used for realizing telescopic switching of a first torque output position and a second torque output position.
2. The dual rotor motor based turret of claim 1, wherein: the output position switching assembly comprises a telescopic driving unit, an elastic pre-tightening unit and a linear bearing assembly, the inner motor assembly is arranged on the inner side of the linear bearing assembly, the telescopic driving unit is abutted to the outer side of the second torque output end of the inner motor assembly, the elastic pre-tightening unit is elastically supported on one side, far away from the second torque output end, of the inner motor assembly, the inner motor assembly can axially reciprocate in the linear bearing assembly through the telescopic driving unit and the elastic pre-tightening unit, and telescopic switching of the first output position of the torque and the second output position of the torque is achieved.
3. The dual rotor motor based turret of claim 2, wherein: the linear bearing assembly comprises a bushing, a first linear bearing and an adjusting pad which are sequentially connected along an axis, the bushing and the adjusting pad are respectively and coaxially arranged at the front end and the rear end of the first linear bearing, the outer side of the bushing is fixedly connected with the outer motor rotor, and the inner side of the bushing is slidably connected with the inner motor shell; the inner ring of the first linear bearing is connected with the inner motor shell in a sliding manner, and the outer ring of the first linear bearing is fixedly connected with the outer motor rotor; two end faces of the adjusting pad are respectively contacted with the first linear bearing and the rear pressing plate and used for adjusting the assembling clearance.
4. The dual rotor motor based turret of claim 3, wherein: the inner motor assembly further comprises an inner motor shell, an inner motor stator winding, an inner motor rotor and an inner motor output main shaft, two ends of the inner motor rotor are connected with the inner motor shell through an inner bearing assembly and an outer bearing assembly respectively, the inner side of the inner bearing assembly abuts against the elastic pre-tightening unit, a conical end cover is arranged on the outer side of the outer bearing assembly, and the end part of the telescopic driving unit abuts against the conical end cover; the inner motor rotor is fixed on an inner motor output main shaft in the inner motor shell, the inner motor stator winding is coaxially arranged between the inner motor rotor and the inner motor shell, and one end of the inner motor output main shaft extends outwards to form a second torque output end.
5. The dual rotor motor based turret of claim 4, wherein: still be equipped with water-cooling structure between interior motor casing and the interior motor stator winding, water-cooling structure includes the water-cooling sleeve, be equipped with the water-cooling circulation groove on the outer wall of water-cooling sleeve, water-cooling circulation groove and interior motor casing inner wall sealing connection.
6. The dual rotor motor based turret of claim 4, wherein: the telescopic driving unit comprises a hydraulic cylinder and a telescopic stop block, the cylinder body of the hydraulic cylinder is fixed on the inner wall of the bushing, and the end part of a push rod of the hydraulic cylinder is fixedly connected with the telescopic stop block and can drive the telescopic stop block to reciprocate along the axis; the inner wall of the telescopic stop block is of a conical structure matched with the conical end cover.
7. The dual rotor motor based turret of claim 3, wherein: the outer motor assembly comprises an outer motor shell, an outer motor stator winding and an outer motor rotor, wherein two ends of the outer motor rotor are respectively and rotatably connected to the inner side of the outer motor shell through an inner bearing and an outer bearing; the outer motor rotor extends outwards to form an outer motor shell to form a first torque output end.
8. The dual rotor motor based turret of claim 7, wherein: the front end of the outer motor shell is provided with a front end cover bent towards one side of the outer motor rotor, an annular front pressing plate is arranged between the front end cover and the outer bearing, the rear end of the outer motor shell is provided with a rear pressing plate and a rear end cover, the rear end cover covers the rear end of the outer motor shell, the rear pressing plate is arranged between the inner bearing and the rear end cover, and the outer side of the rear end cover is further provided with an angle encoder.
9. The double rotor motor based turret according to any of claims 1-8, wherein: the cutter head assembly comprises a cutter head, a second linear bearing and a cutter number plate, the cutter head is fixedly connected to the first torque output end of the outer motor rotor, a plurality of cutter seat grooves extending along the radial direction are formed in the outer circumference of the cutter head, and cutters of different types are mounted in the cutter seat grooves; the outer ring of the second linear bearing is fixed with the cutter head, the inner ring of the second linear bearing is matched with the inner motor output main shaft, and the inner motor output main shaft can axially slide along the second linear bearing.
10. The double rotor motor based turret according to any of claims 1-8, wherein: the cutter holder assembly comprises a power cutter holder, a cutter holder connecting shaft and a second transmission gear, the cutter holder connecting shaft is rotatably connected into a cutter holder groove of the cutter head through a bearing, one end of the cutter holder connecting shaft extends to an inner cavity of the cutter head along the radial direction, and the end part of the cutter holder connecting shaft is fixedly connected with the second transmission gear which is used for being meshed with the first transmission gear; the other end of the cutter holder connecting shaft is fixedly connected with a power cutter holder arranged in the cutter holder groove.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011184347.8A CN112003439B (en) | 2020-10-30 | 2020-10-30 | Turret based on double-rotor motor |
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| CN202011184347.8A CN112003439B (en) | 2020-10-30 | 2020-10-30 | Turret based on double-rotor motor |
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| CN112003439B CN112003439B (en) | 2020-12-29 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003025119A (en) * | 2001-07-11 | 2003-01-29 | Okuma Corp | Turret tool post |
| JP2003071615A (en) * | 2001-08-30 | 2003-03-12 | Mori Seiki Co Ltd | Turret tool rest |
| KR100603774B1 (en) * | 2005-01-31 | 2006-08-02 | 이더블유에스 코리아 주식회사 | Apparatus of turret-head |
| CN104759651A (en) * | 2015-04-15 | 2015-07-08 | 常州优思塔精密机械有限公司 | Axial power tool turret of built-in power motor |
| CN109773539A (en) * | 2018-12-25 | 2019-05-21 | 陕西科技大学 | The rotary tool changing machine of multicutter |
| CN210160788U (en) * | 2019-06-13 | 2020-03-20 | 常州塔尖数控科技有限公司 | Rotary tool rest |
| CN211727547U (en) * | 2019-09-12 | 2020-10-23 | 海辰精密机械(嘉兴)股份有限公司 | Double-direct-drive servo power tool turret |
-
2020
- 2020-10-30 CN CN202011184347.8A patent/CN112003439B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003025119A (en) * | 2001-07-11 | 2003-01-29 | Okuma Corp | Turret tool post |
| JP2003071615A (en) * | 2001-08-30 | 2003-03-12 | Mori Seiki Co Ltd | Turret tool rest |
| KR100603774B1 (en) * | 2005-01-31 | 2006-08-02 | 이더블유에스 코리아 주식회사 | Apparatus of turret-head |
| CN104759651A (en) * | 2015-04-15 | 2015-07-08 | 常州优思塔精密机械有限公司 | Axial power tool turret of built-in power motor |
| CN109773539A (en) * | 2018-12-25 | 2019-05-21 | 陕西科技大学 | The rotary tool changing machine of multicutter |
| CN210160788U (en) * | 2019-06-13 | 2020-03-20 | 常州塔尖数控科技有限公司 | Rotary tool rest |
| CN211727547U (en) * | 2019-09-12 | 2020-10-23 | 海辰精密机械(嘉兴)股份有限公司 | Double-direct-drive servo power tool turret |
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| CN112003439B (en) | 2020-12-29 |
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