CN216371054U - Rotary carrying platform - Google Patents
Rotary carrying platform Download PDFInfo
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- CN216371054U CN216371054U CN202123185259.2U CN202123185259U CN216371054U CN 216371054 U CN216371054 U CN 216371054U CN 202123185259 U CN202123185259 U CN 202123185259U CN 216371054 U CN216371054 U CN 216371054U
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- revolving body
- rotary
- rotary joint
- mandrel
- base
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Abstract
The utility model discloses a rotary carrying platform, which comprises a base, wherein a rotary body is vertically arranged on the base; the upper end of the revolving body is provided with a clamping seat, and a pneumatic clamping mechanism is arranged on the clamping seat and used for clamping or loosening the workbench; the lower end of the revolving body extends into the base; a revolving body driving device, a mandrel and a rotary joint are arranged in the base; the revolving body driving device is connected with the revolving body and used for driving the revolving body to rotate; the upper end of the mandrel is connected with the lower end of the revolving body; the rotary joint is fixedly arranged in the base and sleeved at the lower end of the mandrel, and the mandrel can rotate in the rotary joint; the pneumatic clamping mechanism is characterized in that air paths are formed in the rotary joint, the mandrel, the rotary body and the clamping seat, and the air paths are communicated in sequence to form a control air path, so that air can be conveyed to the pneumatic clamping mechanism after passing through the rotary joint, the mandrel, the rotary body and the clamping seat in sequence. The rotary carrying platform can conveniently replace the workbench on the rotary body according to requirements.
Description
Technical Field
The utility model relates to the field of machine tool machining, in particular to a rotary carrying platform.
Background
The rotary carrying platform is a core component of various machine tools such as a vertical lathe, a milling machine, a machining center, a numerical control gear shaper and the like. The existing revolving stage comprises a base and a revolving body which is rotationally arranged on the base, wherein the top of the revolving body is used as a workbench for processing workpieces; different work tables are needed to process and clamp the workpieces due to different types of the workpieces; the workbench of the conventional rotary carrying platform is the top of the rotary body, so that the workbench cannot be replaced according to the machining requirement, the number of workpieces which can be machined by the conventional rotary carrying platform is small, and the workpieces of different types are inconvenient to clamp and machine, so that the machining of the workpieces is influenced, and the machining efficiency of the workpieces is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to: in view of the above-described problems, there is provided a rotary stage that can facilitate replacement of a table on a rotary body as needed.
The technical scheme adopted by the utility model is as follows:
the utility model discloses a rotary carrying platform, which comprises a base, wherein a rotary body is vertically arranged on the base; the upper end of the revolving body is provided with a clamping seat, and a pneumatic clamping mechanism is arranged on the clamping seat and used for clamping or loosening the workbench; the lower end of the revolving body extends into the base; a revolving body driving device, a mandrel and a rotary joint are arranged in the base; the revolving body driving device is connected with the revolving body and used for driving the revolving body to rotate; the upper end of the mandrel is connected with the lower end of the revolving body; the rotary joint is fixedly arranged in the base and sleeved at the lower end of the mandrel, and the mandrel can rotate in the rotary joint; the pneumatic clamping mechanism is characterized in that air paths are formed in the rotary joint, the mandrel, the rotary body and the clamping seat, and the air paths are communicated in sequence to form a control air path, so that air can be conveyed to the pneumatic clamping mechanism after passing through the rotary joint, the mandrel, the rotary body and the clamping seat in sequence.
Furthermore, a plurality of annular grooves are formed in the inner side of the rotary joint from bottom to top, each annular groove comprises a gas connecting groove and sealing grooves positioned on two sides of the gas connecting groove, and sealing rings are arranged in the sealing grooves; the gas circuit on the rotary joint is communicated with the gas circuit on the mandrel through a gas connecting groove.
Furthermore, the gas inlet end of the gas circuit on the mandrel is positioned in the gas connecting groove and can rotate in the gas connecting groove.
Further, the pneumatic clamping mechanism comprises one or more pneumatic chucks arranged on the clamping seat; the air chuck is used for loosening or clamping the workbench.
Furthermore, one or more air passages are formed in the rotary joint, the mandrel, the rotary body and the clamping seat; the gas paths are sequentially communicated to form one or more control gas paths, so that gas can sequentially pass through the rotary joint, the mandrel, the revolving body and the clamping seat and then is delivered to each pneumatic chuck; the number of the control gas circuits is equal to that of the pneumatic chucks; one or more groups of annular grooves are formed in the inner side of the rotary joint from bottom to top, and the number of the groups of the annular grooves is equal to the number of the control gas circuits; each group of annular grooves comprises a gas connecting groove and sealing grooves positioned on the upper side and the lower side of the gas connecting groove, and sealing rings are arranged in the sealing grooves; each air passage on the rotary joint is communicated with each air passage on the mandrel through different air connecting grooves.
Further, the revolving body driving device is a revolving body motor, and the revolving body motor is a torque motor.
Further, the revolving body is rotatably arranged on the base through a revolving body bearing; a revolving body motor connecting sleeve is fixedly sleeved at the lower end of the revolving body; the rotary body motor is an internally-mounted torque motor, and a rotor of the rotary body motor is sleeved on the rotary body motor connecting sleeve; and the stator of the revolving body motor is fixedly arranged in the base.
Further, the bottom of the base is through, a stator mounting plate is covered at the bottom of the base and used for limiting a stator of the revolving body motor to move downwards; the middle part of the stator mounting plate is sunken towards the inside of the base to form a rotary joint mounting cavity, and the rotary joint mounting cavity is positioned in the revolving body motor; the rotary joint is arranged in the rotary joint mounting cavity, the bottom of the rotary joint is fixedly connected with the stator mounting plate, and the core shaft penetrates through the top of the rotary joint mounting cavity and is connected with the bottom of the rotary body.
Further, a revolving body brake caliper is arranged in the base and used for holding or loosening a revolving body.
Further, the revolving body is a hollow shaft.
In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:
according to the rotary platform deck, the pneumatic clamping mechanism is arranged at the upper end of the rotary body, so that different types of working tables can be replaced at the top of the rotary body according to the machining requirements; the rotary carrying platform is convenient to process different types of workpieces.
The pneumatic clamping mechanism is a pneumatic chuck, and the control gas circuit is arranged in the base, so that the structure of the whole rotary platform deck is more compact, and the influence of the external gas circuit on the work of the rotary platform deck is avoided.
In the utility model, the revolving body is driven by the torque motor, and compared with the prior art that the revolving body is driven by the servo motor and the worm gear, the structure is simplified, and the installation is simplified.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a diagram of the trend of the control gas circuit;
FIG. 3 is a structural diagram of the connection of the gas circuit on the rotary joint and the gas circuit on the mandrel through a gas connecting groove;
fig. 4 is a layout structure view of the air chuck.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are used only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-4, the present invention discloses a rotary stage, which comprises a base 12, wherein a rotary body 13 is vertically arranged on the base 12; the upper end of the revolving body 13 is provided with a clamping seat 3, and the clamping seat 3 is provided with a pneumatic clamping mechanism which is used for clamping or loosening the workbench 1; the lower end of the revolving body 13 extends into the base 12; a revolving body driving device, a mandrel 8 and a rotary joint 9 are arranged in the base 12; the revolving body driving device is connected with the revolving body 13 and is used for driving the revolving body 13 to rotate; the upper end of the mandrel 8 is connected with the lower end of the revolving body 13; the rotary joint 9 is fixedly arranged in the base 12 and sleeved at the lower end of the mandrel 8, and the mandrel 8 can rotate in the rotary joint 9; the pneumatic clamping mechanism is characterized in that air passages 14 are formed in the rotary joint 9, the mandrel 8, the rotary body 13 and the clamping seat 3, the air passages 14 are sequentially communicated to form a control air passage, and air can be sequentially conveyed to the pneumatic clamping mechanism through the rotary joint 9, the mandrel 8, the rotary body 13 and the clamping seat 3.
In the structure, due to the existence of the pneumatic clamping mechanism, the top of the revolving body 13 can be provided with different types of working tables 1 according to the processing requirements; unlike the prior art, the top of the revolving body 13 is used as the worktable 1, so that the whole revolving stage can process a small number of workpieces, and the worktable 1 cannot be replaced according to the processing requirement. Meanwhile, a control gas circuit of the pneumatic clamping mechanism is arranged in the base 12, so that the structure of the whole equipment is more compact, and the influence of an external gas circuit 14 on the work of the equipment is avoided; if the pneumatic clamping mechanism is externally arranged and is connected with an air source through an externally arranged hose, the hose can be wound together when the revolving body 13 rotates, so that the equipment is blocked; if the pipeline is a hard pipeline, the revolving body 13 cannot rotate; by adopting the structure, the rotary joint 9 is fixed in position and does not act, the rotary joint 9 is connected with the air source through the pipeline, and then the air is sent to the pneumatic clamping mechanism to control the pneumatic clamping mechanism to act, so that various problems in the external air passage 14 can be avoided.
Furthermore, a plurality of annular grooves are formed in the inner side of the rotary joint 9 from bottom to top, each annular groove comprises a gas connecting groove 15 and sealing grooves 16 positioned at two sides of the gas connecting groove 15, and sealing rings are arranged in the sealing grooves 16; the air passage 14 on the rotary joint 9 and the air passage 14 on the mandrel 8 are communicated through an air connecting groove 15. The gas inlet end of the gas path 14 on the mandrel 8 is positioned in the gas connecting groove 15 and can rotate in the gas connecting groove 15.
Because the mandrel 8, the revolving body 13 and the clamping seat 3 are fixedly connected into a whole, the end part of the internal air passage 14 is directly butted. The spindle 8 is rotatably connected with the rotary joint 9, when the spindle 8 rotates along with the revolving body 13, the ends of the internal air passage 14 of the rotary joint 9 and the spindle 8 cannot be always butted, so that the air passage 14 on the rotary joint 9 can be communicated with the air passage 14 on the spindle 8 by arranging the air connecting groove 15 on the rotary joint 9. Due to the existence of the gas connecting groove 15, when the mandrel 8 rotates, the gas inlet end of the gas path 14 on the mandrel 8 can always rotate in the gas inlet groove, so that the gas outlet end of the gas path 14 on the rotary joint 9 can always be communicated with the gas path 14 on the mandrel 8 through the gas connecting groove 15; in order to prevent gas from leaking from the gas connecting groove 15, a seal groove 16 and a seal ring are provided on both upper and lower sides of the gas connecting groove 15.
Further, the pneumatic clamping mechanism comprises one or more pneumatic chucks 2 arranged on a clamping seat 3; the air chuck 2 is used for loosening or clamping the worktable 1.
The pneumatic chuck 2 is adopted to clamp the workbench 1, so that the workbench 1 can be conveniently and rapidly installed and replaced, the operation is simplified, and the processing is convenient. The air chucks 2 can be provided with one or more air chucks, and when the air chucks are provided with a plurality of air chucks, the air chucks 2 are arrayed on the top of the clamping seat 3. In actual manufacturing operations, the air chuck 2 may be purchased as is. Meanwhile, the bottom of the workbench 1 is provided with a clamping part which is matched with the pneumatic chuck 2, so that the pneumatic chuck 2 can be clamped, and the workbench 1 can be conveniently, quickly and stably clamped on the pneumatic chuck 2.
Further, one or more air passages 14 are formed in the rotary joint 9, the mandrel 8, the rotary body 13 and the clamping seat 3; the air paths 14 are sequentially communicated to form one or more control air paths, so that air can sequentially pass through the rotary joint 9, the core shaft 8, the rotary body 13 and the clamping seat 3 and then be sent to each air chuck 2; the number of the control gas circuits is equal to that of the pneumatic chucks 2; one or more groups of annular grooves are formed in the inner side of the rotary joint 9 from bottom to top, and the number of the groups of the annular grooves is equal to the number of the control gas circuits; each group of annular grooves comprises a gas connecting groove 15 and sealing grooves 16 positioned on the upper side and the lower side of the gas connecting groove 15, and sealing rings are arranged in the sealing grooves 16; each air passage 14 on the rotary joint 9 and each air passage 14 on the spindle 8 communicate through a different gas connecting groove 15.
As shown in fig. 4, 4 pneumatic chucks 2 are arranged at the top of the clamping base 3, 4 gas circuits 14 are respectively arranged in the rotary joint 9, the mandrel 8, the revolving body 13 and the clamping base 3, then the gas circuits 14 in the rotary joint 9, the mandrel 8, the revolving body 13 and the clamping base 3 are connected into 4 control gas circuits, and each control gas circuit independently supplies gas for 1 pneumatic chuck 2 and controls the action of the pneumatic chuck 2. There are 4 control gas circuits, then the inboard 4 groups of ring channels that set up of rotary joint 9, the ring channel can set up 12, including 4 gas connecting groove 15 and 8 seal groove 16, also can be as shown in fig. 3, sets up 9 ring channels, and adjacent two sets of circumstances that exist the seal groove of sharing. Since the air passages 14 are opened in different directions, in the sectional view of fig. 3, only 2 air passages 14 on the mandrel 8 can be seen to be in butt joint with 2 air passages 14 on the rotary joint 9.
Further, the revolving body driving device is a revolving body motor, and the revolving body motor is a torque motor.
The structure of the revolving body driving device of the existing revolving carrying platform is complex, and the revolving body driving device is driven by a servo motor and a worm gear mechanism, so that the structure of the whole equipment is not compact, and meanwhile, the worm gear has high production and processing cost and is easy to consume. The revolving body driving device adopts the torque motor, and the torque motor has the characteristics of high load, high acceleration, high dynamic and the like, can well meet the requirements of efficient and high-precision machining of the swinging rotary table, and simplifies the structure of equipment.
Further, the revolving body 13 is rotatably provided on the base 12 through the revolving body bearing 5; a revolving body motor connecting sleeve 6 is fixedly sleeved at the lower end of the revolving body 13; the revolving body motor is a built-in torque motor, and a rotor 10 of the revolving body motor is sleeved on a revolving body motor connecting sleeve 6; the stator 11 of the rotary body motor is fixedly arranged in the base 12.
The revolving body motor is an internal torque motor, so that the structure of the whole swinging turntable is more compact, the internal torque motor is hollow, the mandrel 8 and the rotary joint 9 are conveniently arranged in the internal torque motor, and the space in the base 12 is saved.
Further, the bottom of the base 12 is through, a stator mounting plate 7 is covered at the bottom of the base 12, and the stator mounting plate 7 is used for limiting the downward movement of the stator 11 of the revolving body motor; the middle part of the stator mounting plate 7 is sunken towards the inside of the base 12 to form a rotary joint mounting cavity, and the rotary joint mounting cavity is positioned in the revolving body motor; the rotary joint 9 is arranged in the rotary joint mounting cavity, the bottom of the rotary joint 9 is fixedly connected with the stator mounting plate 7, and the mandrel 8 penetrates through the top of the rotary joint mounting cavity and is connected with the bottom of the rotary body 13.
Due to the structure, the bottom of the base 12 is communicated, so that the revolving body motor is convenient to install and overhaul. Meanwhile, the stator mounting plate 7 is concave, and a mounting space is reserved for the rotary joint 9; and meanwhile, the revolving body motor is separated from the mandrel 8 and the rotary joint 9, so that the hose is prevented from interfering the revolving body motor to run when the rotary joint 9 is connected with a hose to connect an air source.
Further, a rotor caliper 4 is provided in the base 12, and the rotor caliper 4 is used for clasping or unclamping the rotor 13. In the present invention, the rotor caliper 4 is a pneumatic caliper.
Further, the rotator 13 is a hollow shaft. This can reduce the mass of the parts and save material.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.
Claims (10)
1. A rotary stage, comprising: the device comprises a base (12), wherein a revolving body (13) is vertically arranged on the base (12); the upper end of the revolving body (13) is provided with a clamping seat (3), the clamping seat (3) is provided with a pneumatic clamping mechanism, and the pneumatic clamping mechanism is used for clamping or loosening the workbench (1); the lower end of the revolving body (13) extends into the base (12); a revolving body driving device, a mandrel (8) and a rotary joint (9) are arranged in the base (12); the revolving body driving device is connected with the revolving body (13) and is used for driving the revolving body (13) to rotate; the upper end of the mandrel (8) is connected with the lower end of the revolving body (13); the rotary joint (9) is fixedly arranged in the base (12) and sleeved at the lower end of the mandrel (8), and the mandrel (8) can rotate in the rotary joint (9); gas circuits (14) are arranged in the rotary joint (9), the mandrel (8), the rotary body (13) and the clamping seat (3), and the gas circuits (14) are sequentially communicated to form a control gas circuit, so that gas can be sequentially conveyed to the pneumatic clamping mechanism after passing through the rotary joint (9), the mandrel (8), the rotary body (13) and the clamping seat (3).
2. The rotary stage of claim 1, wherein: a plurality of annular grooves are formed in the inner side of the rotary joint (9) from bottom to top, each annular groove comprises a gas connecting groove (15) and sealing grooves (16) located on two sides of the gas connecting groove (15), and sealing rings are arranged in the sealing grooves (16); the air passage (14) on the rotary joint (9) is communicated with the air passage (14) on the mandrel (8) through a gas connecting groove (15).
3. The rotary stage of claim 2, wherein: the gas inlet end of the gas path (14) on the mandrel (8) is positioned in the gas connecting groove (15) and can rotate in the gas connecting groove (15).
4. The rotary stage of claim 1, 2 or 3, characterized in that: the pneumatic clamping mechanism comprises one or more pneumatic chucks (2) arranged on a clamping seat (3); the air chuck (2) is used for loosening or clamping the workbench (1).
5. The rotary stage of claim 4, wherein: one or more air passages (14) are formed in the rotary joint (9), the mandrel (8), the rotary body (13) and the clamping seat (3); the air passages (14) are communicated in sequence to form one or more control air passages, so that air can pass through the rotary joint (9), the mandrel (8), the rotary body (13) and the clamping seat (3) in sequence and then is conveyed to each pneumatic chuck (2); the number of the control gas circuits is equal to that of the pneumatic chucks (2); one or more groups of annular grooves are formed in the inner side of the rotary joint (9) from bottom to top, and the number of the groups of the annular grooves is equal to the number of the control gas circuits; each group of annular grooves comprises a gas connecting groove (15) and sealing grooves (16) positioned on the upper side and the lower side of the gas connecting groove (15), and sealing rings are arranged in the sealing grooves (16); each air passage (14) on the rotary joint (9) is communicated with each air passage (14) on the mandrel (8) through different gas connecting grooves (15).
6. The rotary stage of claim 1, wherein: the revolving body driving device is a revolving body motor, and the revolving body motor is a torque motor.
7. The rotary stage of claim 6, wherein: the revolving body (13) is rotatably arranged on the base (12) through a revolving body bearing (5); a revolving body motor connecting sleeve (6) is fixedly sleeved at the lower end of the revolving body (13); the revolving body motor is a built-in torque motor, and a rotor (10) of the revolving body motor is sleeved on a revolving body motor connecting sleeve (6); the stator (11) of the revolving body motor is fixedly arranged in the base (12).
8. The rotary stage of claim 7, wherein: the bottom of the base (12) is through, a stator mounting plate (7) is covered at the bottom of the base (12), and the stator mounting plate (7) is used for limiting a stator (11) of the revolving body motor to move downwards; the middle part of the stator mounting plate (7) is sunken towards the inside of the base (12) to form a rotary joint mounting cavity, and the rotary joint mounting cavity is positioned in the revolving body motor; the rotary joint (9) is arranged in the rotary joint mounting cavity, the bottom of the rotary joint (9) is fixedly connected with the stator mounting plate (7), and the mandrel (8) penetrates through the top of the rotary joint mounting cavity and is connected with the bottom of the rotary body (13).
9. The rotary stage of claim 1, wherein: a revolving body brake caliper (4) is arranged in the base (12), and the revolving body brake caliper (4) is used for clasping or loosening a revolving body (13).
10. The rotary stage of claim 1, wherein: the revolving body (13) is a hollow shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123185259.2U CN216371054U (en) | 2021-12-17 | 2021-12-17 | Rotary carrying platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123185259.2U CN216371054U (en) | 2021-12-17 | 2021-12-17 | Rotary carrying platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216371054U true CN216371054U (en) | 2022-04-26 |
Family
ID=81236603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123185259.2U Active CN216371054U (en) | 2021-12-17 | 2021-12-17 | Rotary carrying platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216371054U (en) |
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2021
- 2021-12-17 CN CN202123185259.2U patent/CN216371054U/en active Active
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