CN113059366A - A numerically controlled turntable and a numerically controlled machine tool including the same - Google Patents

A numerically controlled turntable and a numerically controlled machine tool including the same Download PDF

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Publication number
CN113059366A
CN113059366A CN202110318827.7A CN202110318827A CN113059366A CN 113059366 A CN113059366 A CN 113059366A CN 202110318827 A CN202110318827 A CN 202110318827A CN 113059366 A CN113059366 A CN 113059366A
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CN
China
Prior art keywords
shaft
tilt
rotating shaft
housing
motor
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CN202110318827.7A
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Chinese (zh)
Inventor
罗国栋
刘群
刘中启
赵金刚
单既强
闫方清
王文广
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Himile Mechanical Science and Technology Shandong Co Ltd
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Himile Mechanical Science and Technology Shandong Co Ltd
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Application filed by Himile Mechanical Science and Technology Shandong Co Ltd filed Critical Himile Mechanical Science and Technology Shandong Co Ltd
Priority to CN202110318827.7A priority Critical patent/CN113059366A/en
Publication of CN113059366A publication Critical patent/CN113059366A/en
Pending legal-status Critical Current

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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
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25—Movable or adjustable work or tool supports
    • 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
    • B23Q5/22—Feeding members carrying tools or work
    • B23Q5/28—Electric drives
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • 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
    • H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Machine Tool Units (AREA)

Abstract

A numerically controlled turntable comprising: the rotary shaft comprises a rotary shaft shell, the first central shaft is arranged in the rotary shaft shell and is rotatably connected with the rotary shaft shell through a first bearing, the workbench used for bearing the machined workpiece is fixedly connected to the first central shaft, and the rotary shaft is further provided with a first motor which can drive the central shaft to rotate so as to drive the workbench to rotate. One side of the rotating shaft is supported by a first inclined shaft, and the rotating shaft is driven by the rotating of the first inclined shaft to wholly incline, wherein the first inclined shaft comprises a first inclined shaft shell, a second central shaft is arranged in the first inclined shaft shell, and the second central shaft is rotatably connected with the first inclined shaft shell through a second bearing and is directly driven by a second motor to rotate so as to drive the rotating shaft to incline. The other side of the rotating shaft may be supported by a second tilting shaft or a support shaft. The numerical control rotary table with the structure can effectively reduce or avoid reverse gaps generated in transmission, and improve the control precision of the operation of the numerical control rotary table. Also discloses a numerical control machine tool comprising the numerical control rotary table.

Description

Numerical control rotary table and numerical control machine tool comprising same
Technical Field
The application relates to the field of numerical control devices, in particular to a numerical control rotary table for a numerical control machine tool and further relates to the numerical control machine tool comprising the numerical control rotary table.
Background
Numerically controlled machines have found wide application in the field of machining. Some types of numerically controlled machine tools employ numerically controlled turrets, which are multi-axis linked to achieve the machining of any curved surface profile. The conventional numerical control rotary table adopts a worm gear-worm structure, a transmission chain structure, a conveyor belt structure and the like to drive the numerical control rotary table.
With the development of the technology, the processing requirements on the numerical control machine tool are increasing day by day, and higher control precision, lower vibration noise, smaller abrasion and the like are required. In the current common numerical control rotary table for the numerical control machine tool, a transmission structure of the numerical control rotary table can accumulate a large amount of abrasion after being used for a period of time, so that a reverse clearance is caused, and the running precision of the rotary table can be influenced when the rotation direction of the numerical control rotary table is switched, so that the machining precision is negatively influenced. Furthermore, wear between the components of the transmission structure can also cause noise during operation.
Disclosure of Invention
The present invention has been made to solve the above-mentioned problems occurring in the prior art. The invention aims to provide a numerical control turntable with an improved structure, and the numerical control turntable has improved running precision. Further, the numerical control turntable also has reduced running noise.
The numerical control turntable of the invention comprises: the rotary shaft comprises a rotary shaft shell, a first central shaft is arranged in the rotary shaft, is at least partially accommodated in the rotary shaft shell and is rotatably connected with the rotary shaft shell through a first bearing, a workbench used for bearing a processing workpiece is fixedly connected with the first central shaft, and the rotary shaft is also provided with a first motor which can drive the central shaft to rotate so as to drive the workbench to rotate; and the first inclined shaft supports the rotating shaft at one side of the rotating shaft, and the rotation of the first inclined shaft drives the rotating shaft to wholly incline, wherein the first inclined shaft comprises a first inclined shaft shell, a second central shaft is arranged in the first inclined shaft shell, and the second central shaft is rotatably connected with the first inclined shaft shell through a second bearing and is directly driven by a second motor to rotate so as to drive the rotating shaft to incline.
In one embodiment of the above-structured numerically controlled turntable, the numerically controlled turntable further includes a second tilting shaft supporting the rotating shaft at the other side of the rotating shaft and tilting the rotating shaft, wherein the second tilting shaft includes a second tilting shaft housing in which a third center shaft is disposed, the third center shaft being rotatably connected to the second tilting shaft housing through a third bearing and being directly driven to rotate by a third motor so as to tilt the rotating shaft together with the second center shaft of the first tilting shaft.
The first, second and third motors mentioned above may preferably be embodied as torque motors or the like. The rotating shaft housing may have a variety of configurations, preferably a shoe-shaped configuration.
Or, in another embodiment, the numerical control turntable further comprises a support shaft supporting the rotation shaft at the other side of the rotation shaft, wherein the support shaft comprises a support shaft housing, a third center shaft is disposed in the support shaft housing, and the third center shaft is rotatably connected to the support shaft housing through a third bearing.
In this way, in the numerical control turntable having the above-described configuration, the rotary shaft is supported from both sides of the rotary shaft by two inclined shafts or one inclined shaft and one support shaft, and the center shaft of the inclined shaft is directly driven by the motor in the inclined shaft, thereby tilting the rotary shaft as a whole, while the motor for the rotary shaft drives the center shaft of the rotary shaft, thereby driving the table to rotate. The structure can effectively reduce or eliminate the reverse clearance generated by the numerical control rotary table in the transmission process, thereby improving the operation control precision of the numerical control rotary table and improving the overall operation efficiency of the numerical control rotary table.
In a specific structure, in the rotating shaft, the first motor comprises a stator and a rotor, wherein the stator of the first motor is fixedly connected to the rotating shaft housing, and the rotor of the first motor is connected with the first central shaft and can drive the first central shaft to rotate. In the inclined shaft, the second motor comprises a stator and a rotor, wherein the stator of the second motor is fixedly connected to the first inclined shaft shell, and the rotor of the second motor is connected with the second central shaft and can drive the second central shaft to rotate. Such a motor arrangement may help to efficiently directly drive the respective central axes of the rotary shaft and the tilt shaft to more reliably reduce or eliminate backlash during operation.
In a further concrete structure, the rotating shaft comprises a first bearing connecting disc therein, and the first bearing connecting disc is connected between the rotor of the first motor and the first bearing, so that the rotor of the first motor drives the first central shaft to rotate via the first bearing connecting disc and the first bearing. Similarly, the first tilt shaft may also include a second bearing interface disc connected between the rotor of the second motor and the second bearing such that the rotor of the second motor rotates the second center shaft via the second bearing interface disc and the second bearing.
Further, the rotating shaft comprises a rotating joint arranged below the workbench, and a rotating shaft encoder is connected to the rotating joint. Likewise, the tilt axis may also include a tilt axis encoder, the tilt axis encoder coupled to the second hub. The encoders provided in the rotary shaft and the tilt shaft contribute to accurate positioning of the rotation angle, and thus the control accuracy of the rotation can be improved.
With regard to the specific arrangement structure of the encoder, in one example, the rotary joint includes a rotary section and a fixed section, wherein the rotary section is rotatably connected to the rotary shaft encoder by a first encoder mounting shaft, and the rotary shaft encoder is fixedly connected to the rotary shaft housing by a first encoder connecting plate so as to be fixedly connected to the fixed section via the rotary shaft housing. In the inclined shaft, the second central shaft is rotatably connected with the inclined shaft encoder through a second encoder mounting shaft, and the inclined shaft encoder is fixedly connected with the inclined shaft shell through a second encoder connecting disc.
Optionally, a braking structure is arranged in the rotating shaft and the tilting shaft for braking the rotating motion. Specifically, the rotating shaft housing includes a counter sink portion forming a rotating shaft brake cavity in which a rotating shaft brake device is disposed. A tilt shaft brake cavity is formed between the tilt shaft housing and the second center shaft, and a tilt shaft brake device is arranged in the tilt shaft brake cavity.
Preferably, the numerically controlled turret further comprises a drag chain portion that receives cables and/or pipes from the rotating shaft. The tow chain section may be used to receive and collate cables and/or conduits from the swivel axis and enable them to move together with the tilting of the tilt axis.
Specifically, the tow chain portion includes: the wire harness block comprises a plurality of holes, and the plurality of holes are used for fixing cables and/or pipelines from the rotating shaft; a tow chain receiving cables and/or pipes extending from the wire harness block; and a joint panel to which cables and/or pipes extending through the drag chain are fixed. Wherein the wire harness block may preferably be made of a non-metallic material, such as rubber, polyurethane, or the like.
Further, as an alternative preferred embodiment, a sealing structure is further provided on at least one of the rotating shaft, the tilting shaft and the supporting shaft for sealing their housings from the inside and outside to avoid leakage of fluid (e.g., cooling liquid, etc.).
Still relate to a digit control machine tool, this digit control machine tool includes the numerical control revolving stage that has the structure as above.
Drawings
There is shown in the drawings, which are incorporated herein by reference, non-limiting preferred embodiments of the present invention, the features and advantages of which will be apparent. Wherein:
fig. 1 is a schematic front view showing the overall structure of a numerically controlled turntable of the present invention.
Fig. 2 is a schematic sectional view of a rotary shaft of the numerically controlled turn table shown in fig. 1 to show an internal structure of the rotary shaft.
Fig. 3 is a schematic sectional view of a tilting shaft of the numerically controlled turntable shown in fig. 1 to show an internal structure of the tilting shaft.
Fig. 4 is a schematic sectional view of a support shaft of the numerical control turntable shown in fig. 1 to show an internal structure of the support shaft.
Fig. 5 is a schematic front view of a drag chain portion of the numerically controlled turntable shown in fig. 1.
Fig. 6 schematically shows the extension of cables and/or pipes in the rotation axis to the drag chain portion.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It is to be understood that the preferred embodiments of the present invention are shown in the drawings only, and are not to be considered limiting of the scope of the invention. Various obvious modifications, changes and equivalents of the embodiments of the invention shown in the drawings can be made by those skilled in the art, and all of them are within the scope of the invention.
In the following description, terms indicating directions and orientations such as "upper", "lower", "front" and "rear" are used, which are based on the orientations shown in the drawings or the orientations of the numerical control turntable when the numerical control turntable is actually installed, for convenience of description, and during operation, the components of the numerical control turntable may rotate, tilt, and the like, so that the orientations of some components may change.
Fig. 1 schematically shows the overall structure of a numerically controlled turntable 10 of the present invention. The numerical control turret 10 includes a rotary shaft 100, and a table 180 is rotatably carried on the rotary shaft 100, and a workpiece to be machined can be carried on the table 180 for machining by a machining part (e.g., a tool bit, etc., not shown) of the numerical control machine.
A tilt shaft 200 is provided on one side of the rotation shaft 100, the tilt shaft 200 supports the rotation shaft 100, and the rotation of the tilt shaft 200 brings the rotation shaft 100 to be tilted as a whole. And a support shaft 300 (an example in which the support shaft is replaced by another inclined shaft has been described in the following about the support shaft) is provided on the other side of the rotating shaft 100. The support shaft 300 supports the rotation shaft 100 on the other side, and when the tilt shaft 200 rotates to tilt the rotation shaft 100 as a whole, the rotation shaft 100 is also tilted with respect to the support shaft 300.
A tow chain portion 400 is further provided on a side of the support shaft 300 facing away from the rotation shaft 100. The tow chain portion 400 receives cables and/or pipes from the rotating shaft 100 to groom the cables and/or pipes.
A preferred structure of each part of the numerically controlled turn table 10 will be described in detail below with reference to the accompanying drawings.
< rotating shaft >
Fig. 2 shows a cross-sectional view of the rotating shaft 100, in which various components inside the rotating shaft 100 are more clearly shown. The rotary shaft 100 includes a rotary shaft housing 110, the outer shape of the rotary shaft housing 110 may generally include a shoe-shaped, bridge plate, or the like, and the exemplary rotary shaft 100 shown in the figures is a shoe-shaped outer shape.
A rotary shaft motor 120 is provided in the rotary shaft 100, and the rotary shaft motor 120 is preferably, for example, a torque motor so as to be able to directly drive a first center shaft 130 of the rotary shaft 100. Both the rotary shaft motor 120 and the first center shaft 130 are at least partially accommodated in the rotary shaft housing 110.
In the exemplary structure shown in the drawings, the lower end of the first center shaft 130 protrudes into the rotation shaft housing 110, and the first center shaft 130 is rotatably coupled with the rotation shaft housing 110 by a first bearing 161. The upper end of the first center shaft 130 is connected to the table 180 by a fastening member such as a screw, so that when the first center shaft 130 is rotated by the rotation shaft motor 120, the table 180 is rotated together therewith.
The rotary shaft motor 120 includes a stator 121 and a rotor 122, the stator 121 is fixedly coupled to the rotary shaft housing 110, and the rotor 122 is coupled to a first bearing 161 via a first bearing coupling 162, so that the first central shaft 130 can be driven to rotate by the first bearing 161. Alternatively, the rotor 122 may be directly connected to the first central shaft 130 to drive the first central shaft 130.
The rotating shaft housing 110 includes a depressed stage portion 111, the depressed stage portion 111 forming a brake chamber, and a rotating shaft brake 151 disposed in the brake chamber, the rotating shaft brake 151 being capable of braking a rotational movement of the first center shaft 130 of the rotating shaft 100. Preferably, the sinking platform part 111 is formed at a side of the rotating shaft housing 110 close to the working platform 180.
Preferably, a rotary shaft encoder 141 is further provided in the rotary shaft 100. For example, in the structure shown in the drawings, a rotary joint 170 is provided below a table 180, and the rotary joint 170 includes a rotating portion 171 and a fixed portion 172. One end of the rotating portion 171 is connected to the table 180 and can rotate together with the table 180. A first encoder mounting shaft 142 is coupled to the other end of the rotating section 171, and the rotary shaft encoder 141 is rotatably coupled to the rotating section 171 via the first encoder mounting shaft 142. On the other hand, the rotary shaft encoder 141 is fixedly connected to the rotary shaft housing 110, and is fixedly connected to the fixing portion 172 of the rotary joint 170 via the rotary shaft housing 110. For example, the rotary shaft encoder 141 may be coupled to the lower cap 112 (lower end portion in the drawing) of the rotary shaft housing 110, and the lower cap 112 is fixedly coupled to the fixing portion 172.
The rotary shaft encoder 141 can position the rotation angles of the first center shaft 130 and the table 180 with high accuracy, and can position the table 180 with high accuracy based on the angle to control the rotation of the table 180 with high accuracy.
Preferably, the rotary shaft 100 may further include a sealing means, such as a sealing ring (not shown) disposed between the rotary shaft housing 110 and the first center shaft 130, to seal the inside and the outside of the rotary shaft housing 110 from each other.
< inclined axis >
Fig. 3 shows a schematic cross-sectional view of the tilt shaft 200. The tilt axle 200 includes a tilt axle housing 210. The tilt shaft motor 220 and the second center shaft 230 are at least partially accommodated in the inner space of the tilt shaft housing 210, the tilt shaft motor 220 drives the second center shaft 230 to rotate, the second center shaft 230 is connected to the rotation shaft 100, and the rotation of the second center shaft 230 can tilt the rotation shaft 100 as a whole. The tilt axis motor 220 may preferably be a torque motor.
In the exemplary configuration shown in FIG. 3, the second center shaft 230 is rotatably coupled to the tilt shaft housing 210 via a second bearing 261. The tilt-axis motor 220 includes a stator 221 and a rotor 222, wherein the stator 221 is fixedly connected to the tilt-axis housing 210, and the rotor 222 is connected to the second central shaft 230 to rotate the second central shaft 230. Preferably, rotor 222 is rotatably coupled to second bearing 261, and thus to second central shaft 230, by second bearing coupling 262. Thus, in tilt axle 200, tilt axle motor 220 is a direct drive motor that directly drives second center axle 230.
A front end cover 211 is provided on one side (right side in fig. 3) of the tilt shaft housing 210 to close the one side end of the tilt shaft housing 210, and a rear end cover 212 is provided on the other side (left side in fig. 3) of the tilt shaft housing 210 to close the other side end.
Preferably, a cavity is defined between the tilt shaft housing 210, the front cover 211 and the second center shaft 230, the cavity may serve as a brake chamber 250, and a tilt shaft brake 251 is disposed in the brake chamber 250, the tilt shaft brake 251 may be used to brake the rotational movement of the second center shaft 230.
The tilt axis 200 preferably also includes a tilt axis encoder 241. As shown in fig. 3, a second encoder mounting shaft 242 is coupled to one end of the second center shaft 230, and the tilt shaft encoder 241 is rotatably coupled to the second center shaft 230 by the second encoder mounting shaft 242. On the other hand, the tilt shaft encoder 241 is also fixedly connected to the tilt shaft housing 210 via a second encoder land 243. The rear end cap 212 may also be fixedly attached to the second encoder land 243. The provision of the tilt axis encoder 241 allows for a high precision positioning of the rotation angle of the second central shaft 230, thereby facilitating accurate control of the rotation of the second central shaft 230 and thus the tilt angle of the rotary shaft 100.
Similar to the rotating shaft 100, the tilt shaft 200 may preferably include a sealing means, for example, a seal cavity 271 may be formed between the front end cover 211 and the second center shaft 230, and a seal ring 272 may be placed in the seal cavity 271.
< support shaft >
Fig. 4 shows a sectional view of the support shaft 300. The support shaft 300 includes a support shaft housing 310 and a third center shaft 320, the third center shaft 320 extending at least partially into the interior of the support shaft housing 310 and being rotatably coupled to the support shaft housing 310, such as by a third bearing 330. The third center shaft 320 is connected to the rotation shaft 100 and can rotate with respect to the support shaft housing 310 as the rotation shaft 100 is tilted.
A front cover 311 and a rear cover 312 are preferably provided at both sides (left and right sides in the drawing) of the support shaft housing 310 to close the support shaft housing 310.
The support shaft 300 may preferably further include a support shaft brake 340 to brake the rotational movement of the third center shaft 320.
Similar to the rotation shaft 100 and the tilt shaft 200, a sealing structure is also provided in the support shaft 300 to seal the inside of the support shaft housing 310 from the outside.
In the numerically controlled turntable 10 of an alternative structure, the support shaft 300 may be replaced with another tilt shaft (second tilt shaft). Specifically, a motor is added to the support shaft 300 to drive the third center shaft 320. Similar to tilt-axis motor 220 on tilt axis 200, the stator of the second tilt-axis motor is fixedly connected to the housing of the second tilt axis, while its rotor is connected to third central shaft 320 for driving third central shaft 320 in rotation. The motor is preferably also a torque motor.
< drag chain part >
Fig. 5 shows a schematic front view of the towline portion 400. The tow chain portion 400 may receive cables and/or tubing 500 from the rotating shaft 100. As schematically shown by the dotted lines in fig. 6, the cables and/or pipes 500 from the rotating shaft 100 extend into the support shaft 300, and then through the support shaft 300 into the drag chain portion 400. As described above, the encoder may not be provided in the third center shaft 320, and thus the cable and/or the management 500 may pass through the hollow portion of the third center shaft 320 of the support shaft 300 and extend into the tow chain portion 400. The tow section 400 basically includes a wire harness block 410, a tow chain 420 and a joint panel 430. Cables and/or pipes from the rotating shaft 100 extend to the wire harness block 410. A plurality of different sized holes are provided in the wire harness block 410 for securing different sized cables and/or tubing. At least the portion of the harness block 410 where the above-described hole is provided may be made of a non-metallic material such as rubber, polyurethane, or the like. For example, in one example, the smallest area of the wire harness block 410 that can include the hole may be made of the non-metallic material described above, while the other portions may be made of metal, and the portions made of the metallic material and the portions made of the non-metallic material may be detachably connected to each other, thereby allowing partial replacement of the wire harness block 410. Alternatively, in another example, the portion of the harness block 410 made of the non-metallic material may be enlarged until the entire harness block 410 is made of the non-metallic material.
Cables and/or tubing continue from the wire harness block 410, through the tow chain 420, and to the splice panel 430. Here, the tow chain 420 may take the form of a volute or other variant based on a spiral structure. On the joint panel 430, a plurality of interfaces of different specifications are provided for fixing the cables and/or pipes 500, and the respective cables and/or pipes 500 are marked on the joint panel 430 to facilitate their arrangement and management.
The exemplary structure of the numerically controlled turntable 10 of the present invention is described above. During operation, the tilt shaft motor 220 of the tilt shaft 200 rotates the second center shaft 230 to tilt the rotating shaft 100 as a whole. At the same time, the rotary shaft motor 120 of the rotary shaft 100 rotates the first center shaft 130, thereby rotating the table 180. Thereby, the rotation of the numerical control turn table 10 in two directions is realized.
In addition, in the embodiment in which the support shaft 300 is replaced with a second tilt shaft, the two tilt shafts rotate together, tilting the rotation shaft 100 as a whole.
In the present invention, the second central shaft 230 is directly driven to rotate by the tilt shaft motor 220, which can reduce or even eliminate the reverse gap generated during the transmission of the numerical control turntable 10, thereby improving the transmission accuracy of the numerical control turntable 10.

Claims (11)

1.一种数控转台，其特征在于，所述数控转台包括：1. a numerically controlled turntable, is characterized in that, described numerically controlled turntable comprises: 旋转轴，所述旋转轴包括旋转轴外壳，第一中心轴设置在所述旋转轴中，至少部分地容纳在所述旋转轴外壳中，并通过第一轴承与所述旋转轴外壳可旋转地连接，用于承载加工工件的工作台固定连接于所述第一中心轴，所述旋转轴还设置有第一电机，所述第一电机能够驱动所述中心轴旋转，进而驱动所述工作台旋转；a rotating shaft, the rotating shaft includes a rotating shaft housing, a first central shaft is provided in the rotating shaft, is at least partially accommodated in the rotating shaft casing, and is rotatably connected to the rotating shaft casing through a first bearing The worktable for carrying the workpiece is fixedly connected to the first central shaft, the rotating shaft is also provided with a first motor, and the first motor can drive the central shaft to rotate, thereby driving the worktable rotate; 第一倾斜轴，所述第一倾斜轴在所述旋转轴的一侧支撑所述旋转轴，且所述第一倾斜轴的转动带动所述旋转轴整体倾斜，其中，所述第一倾斜轴包括第一倾斜轴外壳，在所述第一倾斜轴外壳中设置有第二中心轴，所述第二中心轴通过第二轴承与所述第一倾斜轴外壳可旋转地连接，并由第二电机直接驱动而旋转，从而带动所述旋转轴倾斜。a first tilting shaft, the first tilting shaft supports the rotating shaft on one side of the rotating shaft, and the rotation of the first tilting shaft drives the entire tilting of the rotating shaft, wherein the first tilting shaft It includes a first tilt shaft housing, a second central shaft is arranged in the first tilt shaft housing, the second central shaft is rotatably connected with the first tilt shaft housing through a second bearing, and is connected by a second The motor is directly driven to rotate, thereby driving the rotating shaft to incline. 2.如权利要求1所述的数控转台，其特征在于，所述数控转台还包括第二倾斜轴，所述第二倾斜轴在所述旋转轴的另一侧支撑所述旋转轴并带动所述旋转轴倾斜，其中，所述第二倾斜轴包括第二倾斜轴外壳，在所述第二倾斜轴外壳中设置有第三中心轴，所述第三中心轴通过第三轴承可旋转地连接于所述第二倾斜轴外壳，并由第三电机直接驱动而旋转，从而与所述第一倾斜轴的所述第二中心轴一起带动所述旋转轴倾斜。2 . The numerical control turntable according to claim 1 , wherein the numerical control turntable further comprises a second inclined shaft, and the second inclined shaft supports the rotating shaft on the other side of the rotating shaft and drives the rotating shaft. 3 . The rotation shaft is tilted, wherein the second tilt shaft includes a second tilt shaft housing, a third central shaft is arranged in the second tilt shaft housing, and the third central shaft is rotatably connected by a third bearing It is mounted on the housing of the second tilting shaft and is directly driven by a third motor to rotate, thereby driving the rotating shaft to tilt together with the second central axis of the first tilting shaft. 3.如权利要求1所述的数控转台，其特征在于，所述数控转台还包括支撑轴，所述支撑轴在所述旋转轴的另一侧支撑所述旋转轴，其中，所述支撑轴包括支撑轴外壳，在所述支撑轴外壳中设置有第三中心轴，所述第三中心轴通过第三轴承可旋转地连接于所述支撑轴外壳。3 . The numerical control turntable according to claim 1 , wherein the numerical control turntable further comprises a support shaft, the support shaft supports the rotation shaft on the other side of the rotation shaft, wherein the support shaft A support shaft housing is included in which a third central shaft is disposed, and the third central shaft is rotatably connected to the support shaft housing through a third bearing. 4.如权利要求1～3中任一项所述的数控转台，其特征在于，4. The numerically controlled turntable according to any one of claims 1 to 3, characterized in that, 所述第一电机包括定子和转子，其中所述第一电机的所述定子固定连接于所述旋转轴外壳，所述第一电机的所述转子与所述第一中心轴相连接，并能够带动所述第一中心轴旋转；和/或The first motor includes a stator and a rotor, wherein the stator of the first motor is fixedly connected to the rotating shaft housing, and the rotor of the first motor is connected to the first central shaft and is capable of driving the first central axis to rotate; and/or 所述第二电机包括定子和转子，其中，所述第二电机的所述定子固定连接于所述第一倾斜轴外壳，所述第二电机的所述转子与所述第二中心轴相连接，并能够带动所述第二中心轴旋转。The second motor includes a stator and a rotor, wherein the stator of the second motor is fixedly connected to the first tilt shaft housing, and the rotor of the second motor is connected to the second central shaft , and can drive the second central shaft to rotate. 5.如权利要求4所述的数控转台，其特征在于，5. The numerical control turntable according to claim 4, characterized in that, 所述旋转轴中包括第一轴承连接盘，所述第一轴承连接盘连接在所述第一电机的所述转子和所述第一轴承之间，使得所述第一电机的所述转子经由所述第一轴承连接盘和所述第一轴承带动所述第一中心轴旋转；和/或The rotating shaft includes a first bearing connection plate, and the first bearing connection plate is connected between the rotor of the first motor and the first bearing, so that the rotor of the first motor is connected via The first bearing connecting plate and the first bearing drive the first central shaft to rotate; and/or 第一倾斜轴中还包括第二轴承连接盘，所述第二轴承连接盘连接在所述第二电机的所述转子和所述第二轴承之间，使得所述第二电机的所述转子经由所述第二轴承连接盘和所述第二轴承带动所述第二中心轴旋转。The first tilt shaft also includes a second bearing connection plate connected between the rotor of the second electric machine and the second bearing such that the rotor of the second electric machine The second central shaft is driven to rotate via the second bearing connecting plate and the second bearing. 6.如权利要求1～3中任一项所述的数控转台，其特征在于，6. The numerically controlled turntable according to any one of claims 1 to 3, characterized in that, 所述旋转轴包括设置在所述工作台下方的旋转接头，在所述旋转接头上连接有旋转轴编码器；和/或The rotary shaft includes a rotary joint disposed under the worktable, and a rotary shaft encoder is connected to the rotary joint; and/or 所述倾斜轴包括倾斜轴编码器，所述倾斜轴编码器与所述第二中心轴连接。The tilt shaft includes a tilt shaft encoder connected to the second central shaft. 7.如权利要求6所述的数控转台，其特征在于，7. The numerical control turntable according to claim 6, characterized in that, 所述旋转接头包括旋转部分和固定部分，其中，所述旋转部分通过第一编码器安装轴与所述旋转轴编码器可转动地连接，且所述旋转轴编码器通过第一编码器连接盘与所述旋转轴壳体固定连接，从而经由所述旋转轴壳体与所述固定部分固定连接；和/或The rotary joint includes a rotary part and a fixed part, wherein the rotary part is rotatably connected to the rotary shaft encoder through a first encoder mounting shaft, and the rotary shaft encoder is connected to the disk through the first encoder be fixedly connected to the rotating shaft housing so as to be fixedly connected to the fixed portion via the rotating shaft housing; and/or 所述倾斜轴的所述第二中心轴通过第二编码器安装轴与所述倾斜轴编码器可转动地连接，且所述倾斜轴编码器通过第二编码器连接盘与所述倾斜轴外壳固定连接。The second central axis of the tilt shaft is rotatably connected to the tilt shaft encoder through a second encoder mounting shaft, and the tilt shaft encoder is connected to the tilt shaft housing through a second encoder connection plate Fixed connection. 8.如权利要求1～3中任一项所述的数控转台，其特征在于，8. The numerically controlled turntable according to any one of claims 1 to 3, characterized in that, 所述旋转轴外壳包括沉台部分，所述沉台部分形成旋转轴刹车腔体，在所述旋转轴刹车腔体中设置有旋转轴刹车装置；和/或The rotating shaft housing includes a sinking platform portion, the sinking platform portion forms a rotating shaft braking cavity, and a rotating shaft braking device is arranged in the rotating shaft braking cavity; and/or 在所述倾斜轴外壳与所述第二中心轴之间形成有倾斜轴刹车腔体，在所述倾斜轴刹车腔体中设置有倾斜轴刹车装置。A tilt axis brake cavity is formed between the tilt axis housing and the second central axis, and a tilt axis brake device is arranged in the tilt axis brake cavity. 9.如权利要求1～3中任一项所述的数控转台，其特征在于，所述数控转台还包括拖链部分，所述拖链部分接收来自所述旋转轴的线缆和/或管路；9. The numerically controlled turntable according to any one of claims 1 to 3, wherein the numerically controlled turntable further comprises a drag chain part which receives cables and/or pipes from the rotating shaft road; 其中较佳地，所述拖链部分包括：Preferably, the drag chain part includes: 束线块，所述束线块中包括多个孔，所述多个孔固定来自所述旋转轴的所述线缆和/或所述管路；a wire harness block, the wire harness block includes a plurality of holes, the plurality of holes fix the cables and/or the pipelines from the rotating shaft; 拖链，所述拖链接收从所述束线块延伸出来的所述线缆和/或所述管路；以及an energy chain that receives the cable and/or the pipe extending from the harness block; and 接头面板，延伸穿过所述拖链的所述线缆和/或所述管路固定在所述接头面板上。A joint panel, on which the cables and/or the pipelines extending through the drag chain are fixed. 10.如权利要求1所述的数控转台，其特征在于，所述旋转轴外壳呈元宝式的外形。10 . The numerical control turntable according to claim 1 , wherein the outer casing of the rotating shaft has an ingot-like shape. 11 . 11.一种数控机床，其特征在于，所述数控机床包括如权利要求1～10中任一项所述的数控转台。11 . A numerically controlled machine tool, characterized in that, the numerically controlled machine tool comprises the numerically controlled turntable according to any one of claims 1 to 10 .
CN202110318827.7A 2021-03-25 2021-03-25 A numerically controlled turntable and a numerically controlled machine tool including the same Pending CN113059366A (en)

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