CN111215938B - Revolving stage C axle construction and five-axis machining device - Google Patents
Revolving stage C axle construction and five-axis machining device Download PDFInfo
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- CN111215938B CN111215938B CN202010045058.3A CN202010045058A CN111215938B CN 111215938 B CN111215938 B CN 111215938B CN 202010045058 A CN202010045058 A CN 202010045058A CN 111215938 B CN111215938 B CN 111215938B
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- 238000003754 machining Methods 0.000 title claims abstract description 12
- 238000010276 construction Methods 0.000 title abstract description 5
- 239000007788 liquid Substances 0.000 claims abstract description 169
- 238000009826 distribution Methods 0.000 claims abstract description 126
- 239000012530 fluid Substances 0.000 claims abstract description 46
- 239000010839 body fluid Substances 0.000 claims abstract description 8
- 210000001124 body fluid Anatomy 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 22
- 230000007704 transition Effects 0.000 claims description 21
- 238000001727 in vivo Methods 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 abstract description 3
- 238000010168 coupling process Methods 0.000 abstract description 3
- 238000005859 coupling reaction Methods 0.000 abstract description 3
- 238000004804 winding Methods 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 description 6
- 210000002414 leg Anatomy 0.000 description 5
- 238000003825 pressing Methods 0.000 description 5
- 210000001503 joint Anatomy 0.000 description 4
- 210000001699 lower leg Anatomy 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 210000000689 upper leg Anatomy 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
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Classifications
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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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
-
- 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
- B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
-
- 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
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
-
- 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
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/04—Work clamping means using fluid means or a vacuum
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Units (AREA)
Abstract
The invention provides a rotary table C-axis structure and a five-axis machining device, wherein the rotary table C-axis structure comprises: a turntable body; the workbench is rotatably connected to the rotary table body and is suitable for fixedly connecting the clamp; the oil distribution body structure is fixedly connected with the rotary table body, and is internally provided with an oil distribution body fluid passage structure communicated with a pipe joint, and the pipe joint is suitable for being connected with a pipeline connected with a fluid source; the liquid separating shaft is fixedly connected with the workbench and rotatably arranged in the oil distribution body structure, and an in-shaft fluid channel structure which is communicated with the in-oil distribution body fluid channel structure and the in-clamp fluid channel structure of the clamp is arranged in the liquid separating shaft. This revolving stage C axle construction is at the during operation, and anchor clamps need not to reconnect the rubber tube and also can realize anchor clamps self function, because the oil distribution body structure is fixed motionless, consequently also motionless with the pipeline that the coupling is connected, can avoid the pipeline winding phenomenon, and the angle of workstation gyration can not receive the restriction simultaneously.
Description
Technical Field
The invention relates to the technical field of five-axis machining devices, in particular to a rotary table C-axis structure and a five-axis machining device.
Background
With the continuous rising of labor cost, numerical control machine tools suitable for mass production and used for automatic production lines are gradually increased, and as automatic fixtures are used for machine tools on the production lines, the fixture mounting parts of the corresponding machine tools need to be provided with hydraulic or pneumatic connecting interfaces. In the prior art, a rubber tube is usually directly connected to a clamp to be used as a passage of liquid or gas, but the rotation angle of a workbench is limited, and the rubber tube is easy to damage due to leakage of chips and cooling liquid.
Disclosure of Invention
Therefore, the invention aims to overcome the defect that the automatic clamp in the prior art is arranged on the rotary table and needs to be connected with the rubber tube, and provides the rotary table C-axis structure without the need of connecting the rubber tube and the five-axis machining device.
In order to solve the above technical problem, the present invention provides a C-axis structure of a turntable, comprising:
a turntable body;
the workbench is rotatably connected to the rotary table body and is suitable for fixedly connecting a clamp;
the oil distribution body structure is fixedly connected with the rotary table body, an oil distribution body fluid channel structure communicated with a pipe joint is arranged in the oil distribution body structure, and the pipe joint is suitable for being connected with a pipeline connected with a fluid source;
the liquid separating shaft is fixedly connected with the workbench and rotatably arranged in the oil distribution body structure, and an in-shaft fluid channel structure which is communicated with the in-body fluid channel structure of the oil distribution body and the in-clamp fluid channel structure of the clamp is arranged in the liquid separating shaft.
The oil distribution in-vivo fluid channel structure comprises an oil distribution in-vivo gas channel and an oil distribution in-vivo liquid channel, wherein the oil distribution in-vivo gas channel is communicated with a gas pipe joint, and the oil distribution in-vivo liquid channel is communicated with a liquid pipe joint;
the in-shaft fluid channel structure comprises an in-shaft gas channel and an in-shaft liquid channel, the in-shaft gas channel is communicated with the in-oil-distribution body gas channel, and the in-shaft liquid channel is communicated with the in-oil-distribution body liquid channel;
the fluid passage structure in the anchor clamps includes gaseous passage in the anchor clamps, liquid passage in the anchor clamps, gaseous passage in the axle with gaseous passage intercommunication in the anchor clamps, liquid passage in the axle with liquid passage intercommunication in the anchor clamps.
The oil distribution body inner gas channel comprises a vertical first gas channel, a horizontal second gas channel connected to the upper end of the first gas channel, and a first annular groove arranged at one end, close to the liquid separation shaft, of the second gas channel, the first annular groove is communicated with the shaft inner gas channel, and the lower end of the first gas channel is connected with the gas pipe joint.
The liquid channel in the oil distribution body comprises a vertical first liquid channel, a horizontal second liquid channel connected to the upper end of the first liquid channel, and a second annular groove arranged at one end, close to the liquid separating shaft, of the second liquid channel, the second annular groove is communicated with the liquid channel in the shaft, and the lower end of the first liquid channel is connected with the liquid pipe joint.
The oil distribution body structure comprises an upper oil distribution body and a lower oil distribution body which is hermetically connected with the upper oil distribution body, the first gas channel comprises a lower section gas channel arranged in the lower oil distribution body and an upper section gas channel arranged in the upper oil distribution body, the first liquid channel comprises a lower section liquid channel arranged in the lower oil distribution body and an upper section liquid channel arranged in the upper oil distribution body, and the lower section liquid channel is communicated with the upper section liquid channel.
And a gap is formed between the peripheral wall of the lower oil distribution body and the rotary table body.
The liquid separating shaft is connected with the oil distributing body structure in a sealing mode through a rotary sealing ring.
The C-axis structure of the rotary table further comprises a mandrel connected between the workbench and the rotary table body, the mandrel is wound on the outer side of the oil distribution body structure, and the mandrel is fixedly connected with the workbench and connected with the rotary table body through a bearing.
The lower end of the bearing is also connected with a pressing plate for supporting the bearing, and the pressing plate is simultaneously and fixedly connected with the inner ring of the bearing and the mandrel.
Revolving stage C axle construction still includes the encoder, the encoder includes fixed part, rotating part, the fixed part with the upper end fixed connection of oil distribution body structure, rotating part and encoder connection pad fixed connection, the encoder connection pad with divide liquid axle fixed connection.
The upper end of the liquid separating shaft is connected with a flange plate, and the flange plate is fixedly connected with the workbench and the liquid separating shaft.
The upper end of the liquid separating shaft is further connected with a transition disc, the transition disc is located in the center of the flange plate and is fixedly connected with the clamp, and a transition fluid channel structure communicated with the fluid channel structure in the shaft and the fluid channel structure in the clamp is arranged in the transition disc.
The invention also provides a five-axis machining device which comprises the turntable C-axis structure.
The technical scheme of the invention has the following advantages:
1. according to the turntable C-shaft structure provided by the invention, the oil distribution body structure and the liquid separation shaft are arranged, the oil distribution body internal fluid channel structure is arranged in the oil distribution body structure, the shaft internal fluid channel structure is arranged in the liquid separation shaft, the oil distribution body structure is fixed when the turntable C-shaft structure works, the liquid separation shaft rotates along with the workbench, the pipe joint is connected with the fluid source through the pipeline to provide fluid for the clamp, the clamp can realize the function of the clamp without connecting a rubber pipe, and the pipeline connected with the pipe joint is also fixed because the oil distribution body structure is fixed, so that the pipeline winding phenomenon can be avoided, and the rotation angle of the workbench can not be limited.
2. According to the C-axis structure of the turntable, the fluid channel structure is divided into the gas channel and the liquid channel, gas and liquid can be provided for the clamp at the same time, the gas is provided for the clamp, whether the positioning surface between the processed workpiece and the clamp is completely contacted can be detected, and the liquid is provided for the clamp, so that the clamp can be locked and released.
3. The C-axis structure of the turntable provided by the invention is characterized in that the gas channel in the oil distribution body comprises a vertical first gas channel, a horizontal second gas channel connected to the upper end of the first gas channel, and a first annular groove arranged at one end of the second gas channel close to the liquid separation shaft, wherein the first annular groove is communicated with the gas channel in the shaft, the lower end of the first gas channel is connected with the gas pipe joint, and the arrangement of the first annular groove can ensure that the gas channel in the shaft can be always communicated with the gas channel in the oil distribution body when the liquid separation shaft rotates.
4. The C-axis structure of the turntable provided by the invention has the advantages that the liquid channel in the oil distribution body comprises a vertical first liquid channel, a horizontal second liquid channel connected to the upper end of the first liquid channel, and a second annular groove arranged at one end of the second liquid channel close to the liquid distribution shaft, the second annular groove is communicated with the liquid channel in the shaft, the lower end of the first liquid channel is connected with the liquid pipe joint, and the arrangement of the second annular groove can ensure that the liquid channel in the shaft can be always communicated with the liquid channel in the oil distribution body when the liquid distribution shaft rotates.
5. The turntable C-axis structure provided by the invention has the advantages that the oil distribution body structure comprises an upper oil distribution body and a lower oil distribution body which is hermetically connected with the upper oil distribution body, the first gas channel comprises a lower section gas channel arranged in the lower oil distribution body and an upper section gas channel arranged in the upper oil distribution body, the first liquid channel comprises a lower section liquid channel arranged in the lower oil distribution body and an upper section liquid channel arranged in the upper oil distribution body, and the lower section liquid channel is communicated with the upper section liquid channel, so that the processing of the fluid channel structure in the oil distribution body is facilitated, the processing of a groove for installing a rotary sealing ring in the oil distribution body structure is facilitated, and the processing difficulty is reduced.
6. According to the C-axis structure of the rotary table, the gap is formed between the outer peripheral wall of the lower oil distribution body and the rotary table body, so that the lower oil distribution body is conveniently and fixedly connected with the rotary table body through the screws.
7. The C-axis structure of the rotary table further comprises a mandrel connected between the workbench and the rotary table body, the mandrel is wound on the outer side of the oil distribution body structure, and the mandrel is fixedly connected with the workbench and connected with the rotary table body through a bearing, so that casting and assembling of the C-axis structure of the rotary table are facilitated.
8. According to the C-axis structure of the turntable, the lower end of the bearing is also connected with the pressing plate for supporting the bearing, the pressing plate is fixedly connected with the inner ring of the bearing and the mandrel at the same time, and the rigidity of the bearing can be improved due to the arrangement of the pressing plate.
9. The five-axis machining device provided by the invention comprises the C-axis structure of the turntable, a rubber pipe does not need to be connected when a clamp is installed in the five-axis machining device, and the rotation angle of the workbench is not limited.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a sectional view of a turntable C-axis structure provided in embodiment 1 of the present invention;
fig. 2 is a sectional view of a turntable C-axis structure provided in embodiment 1 of the present invention;
description of reference numerals:
1-a first O-ring; 2-a transition disc; 3-a second O-ring; 4-a third O-ring; 5-a separating shaft; 6-a fourth O-ring; 7-a fifth O-ring; 8-expansion blocking; 9-a bearing; 10-a rotary seal ring; 11-sixth O-ring; 12-a seventh O-ring; 13-a clamp; 14-a flange plate; 15-a workbench; 16-encoder pads; 17-eighth O-ring; 18-ninth O-ring; 19-a mandrel; 20-an encoder; 21-upper oil distribution body; 22-a platen; 23-lower oil distribution body; 24-a turntable body; 25-gas pipe joint; 26-liquid pipe joint; 100-a first gas channel; 101-a second gas channel; 102-a first annular groove; 103-a first vertical gas branch; 104-a first horizontal gas branch section; 105-a second vertical gas leg; 106 — a first connection segment; 200-a first liquid channel; 201-a second liquid channel; 202-a second annular groove; 203-a first vertical liquid leg; 204-a first horizontal liquid branch section; 205-a second vertical liquid leg; 131-clamp inner gas channel; 132-liquid passage inside the clamp.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1
The embodiment provides a specific implementation manner of a turntable C-axis structure, and the turntable C-axis structure comprises a turntable body 24, a workbench 15, an oil distribution body structure, a liquid distribution shaft 5, an encoder 20, a flange plate 14 and a transition plate 2.
Wherein the worktable 15 is rotatably connected to the turntable body 24 and can rotate relative to the turntable body 24, the worktable 15 is suitable for fixedly connecting the clamp 13, and fig. 1 shows a schematic view of the clamp 13 mounted on the C-axis structure of the turntable.
The oil distribution body structure is fixedly connected with the rotary table body 24, an oil distribution body fluid passage structure communicated with a pipe joint is arranged in the oil distribution body structure, and the pipe joint is suitable for being connected with a pipeline connected with a fluid source; the liquid separating shaft 5 is fixedly connected with the workbench 15 and rotatably arranged in the oil distribution body structure, and a shaft internal fluid passage structure which is communicated with the oil distribution body internal fluid passage structure and the clamp 13 internal fluid passage structure of the clamp 13 is arranged in the liquid separating shaft 5.
The liquid separating shaft 5 is hermetically connected with the oil distributing body structure through a rotary sealing ring 10. Specifically, a plurality of annular grooves are processed on the surface of the oil distribution body structure opposite to the mandrel 19, and the annular grooves are embedded with a plurality of rotary sealing rings 10, as shown in fig. 1, the rotary sealing rings 10 are arranged from top to bottom, so that the sealing between the oil distribution body structure and the liquid separating shaft 5 is ensured.
This revolving stage C axle construction is at the during operation, and the oil distribution body structure is fixed motionless, divides liquid axle 5 to rotate along with workstation 15, and the coupling passes through the pipe connection with the fluid source, for anchor clamps 13 provides the fluid, and anchor clamps 13 need not to reconnect the rubber tube and also can realize anchor clamps 13 self function, because the oil distribution body structure is fixed motionless, consequently also motionless with the pipeline that the coupling is connected, can avoid the pipeline winding phenomenon, and the angle of workstation 15 gyration simultaneously can not receive the restriction.
In the present embodiment, as shown in fig. 2, the oil distribution in-vivo fluid passage structure includes an oil distribution in-vivo gas passage communicating with the gas pipe joint 25, and an oil distribution in-vivo liquid passage communicating with the liquid pipe joint 26; the in-shaft fluid channel structure comprises an in-shaft gas channel and an in-shaft liquid channel, the in-shaft gas channel is communicated with the in-oil-distribution body gas channel, and the in-shaft liquid channel is communicated with the in-oil-distribution body liquid channel; the fluid passage structure in the jig 13 includes an in-jig gas passage 131, an in-jig liquid passage 132, the in-shaft gas passage communicating with the in-jig gas passage 131, and the in-shaft liquid passage communicating with the in-jig liquid passage 132. The fluid passage structure is divided into a gas passage and a liquid passage, and can provide gas and liquid for the clamp 13 at the same time, provide gas for the clamp 13, and can realize whether the positioning surface between the processed workpiece and the clamp 13 is completely contacted, and provide liquid for the clamp 13, and can realize locking and loosening of the clamp 13.
The internal gas channel of the oil distribution body comprises a vertical first gas channel 100, a horizontal second gas channel 101 connected to the upper end of the first gas channel 100, and a first annular groove 102 arranged at one end, close to the liquid separating shaft 5, of the second gas channel 101, wherein the first annular groove 102 is communicated with the internal gas channel of the shaft, and the lower end of the first gas channel 100 is connected with the gas pipe joint 25. The first annular groove 102 is arranged to ensure that the gas passage in the shaft can be always communicated with the gas passage in the oil distribution body when the liquid separating shaft 5 rotates. In order to facilitate the processing of the second gas channel 101, the second gas channel 101 extends horizontally to the outer surface of the oil distribution body structure, so that after the processing is completed, the end of the second gas channel 101 away from the separating shaft 5 needs to be filled with the expansion plug 8 for sealing.
The internal liquid channel of the oil distribution body comprises a vertical first liquid channel 200, a horizontal second liquid channel 201 connected to the upper end of the first liquid channel 200, and a second annular groove 202 arranged at one end of the second liquid channel 201 close to the liquid separating shaft 5, wherein the second annular groove 202 is communicated with the internal liquid channel of the shaft, and the lower end of the first liquid channel 200 is connected with the liquid pipe joint 26. The second annular groove 202 is arranged to ensure that the liquid passage in the liquid separating shaft 5 can be always communicated with the liquid passage in the oil distribution body when the liquid separating shaft rotates. In order to facilitate the processing of the second fluid passage 201, the second fluid passage 201 extends horizontally to the outer surface of the oil distribution structure, and therefore, after the processing is completed, the end of the second fluid passage 201 away from the separating shaft 5 needs to be filled with the expansion plug 8 for sealing.
The in-shaft gas channel comprises a first vertical gas branch section 103, a horizontal first connecting section 106 is arranged on the first vertical gas branch section 103, the first annular groove 102 of the first connecting section 106 is communicated, the in-shaft liquid channel comprises a first vertical liquid branch section 203, a horizontal second connecting section is arranged on the first vertical liquid branch section 203, and the second connecting section is communicated with the second annular groove 202. In order to facilitate the processing of the first vertical gas branch section 103 and the first vertical liquid branch section 203, the first vertical gas branch section 103 and the first vertical liquid branch section 203 both extend to the lower surface of the liquid separating shaft 5, and therefore, after the processing is completed, the lower ends of the first vertical gas branch section 103 and the first vertical liquid branch section 203 need to be filled with the expansion plug 8 for sealing.
Considering that the distance between the clamp internal gas channel 131 and the clamp internal liquid channel 132 is greater than the distance between the first vertical gas branch section 103 and the first vertical liquid branch section 203, the shaft internal gas channel further comprises a first horizontal gas branch section 104 and a second vertical gas branch section 105, the first horizontal gas branch section 104 horizontally extends from the upper end of the first vertical gas branch section 103 to the outer end of the liquid separating shaft 5, the outer end of the first horizontal gas branch section 104 is filled with the swelling plug 8 for sealing, and the second vertical gas branch section 105 is communicated with the first horizontal gas branch section 104. The liquid channel in the shaft further comprises a first horizontal liquid branch section 204 and a second vertical liquid branch section 205, the first horizontal liquid branch section 204 horizontally extends from the upper end of the first vertical liquid branch section 203 to the outer end of the liquid separating shaft 5, the outer end of the first horizontal liquid branch section 204 is filled with an expansion plug 8 for sealing, and the second vertical liquid branch section 205 is communicated with the first horizontal liquid branch section 204. The distance between the second vertical gas leg 105 and the second vertical liquid leg 205 is equal to the distance between the clamp inner gas channel 131 and the clamp inner liquid channel 132.
In the present embodiment, the oil distribution body structure includes an upper oil distribution body 21 and a lower oil distribution body 23 hermetically connected to the upper oil distribution body 21, the first gas passage 100 includes a lower-leg gas passage disposed in the lower oil distribution body 23 and an upper-leg gas passage disposed in the upper oil distribution body 21, the first liquid passage 200 includes a lower-leg liquid passage disposed in the lower oil distribution body 23 and an upper-leg liquid passage disposed in the upper oil distribution body 21, and the lower-leg liquid passage is communicated with the upper-leg liquid passage. The arrangement facilitates processing of the fluid channel structure in the oil distribution body, and simultaneously facilitates processing of grooves for mounting the rotary sealing ring 10 on the upper oil distribution body 21 and the lower oil distribution body 23 respectively, so that the processing difficulty is reduced.
The joint of the lower-section gas channel and the upper-section gas channel and the joint of the lower-section liquid channel and the upper-section liquid channel are sealed through a sixth O-ring 11, and the joint between the upper oil distribution body 21 and the lower oil distribution body 23 is sealed through a seventh O-ring 12.
A gap is formed between the outer peripheral wall of the lower oil distribution body 23 and the rotary table body 24, so that the lower oil distribution body 23 and the rotary table body 24 are fixedly connected through screws.
The mandrel 19 is connected between the workbench 15 and the rotary table body 24 and surrounds the outer side of the oil distribution body structure, and the mandrel 19 is fixedly connected with the workbench 15 and connected with the rotary table body 24 through a bearing 9. Specifically, the outer ring of the bearing 9 is fixedly connected with the turntable body 24, and the inner ring of the bearing 9 is fixedly connected with the mandrel 19, so that the mandrel 19 rotates relative to the turntable body 24. Specifically, the workbench 15 is connected with the mandrel 19 through a circle of screws, the connection surface between the workbench 15 and the mandrel 19 is in sealing connection through an eighth O-ring 17 at the outer side of the screw, and is in sealing connection through a ninth O-ring 18 at the inner side of the screw.
The lower end of the bearing 9 is also connected with a pressure plate 22 for supporting the bearing 9, and the pressure plate 22 is fixedly connected with the inner ring of the bearing 9 and the mandrel 19 at the same time. The provision of the pressure plate 22 can enhance the rigidity of the bearing 9.
The flange 14 is connected to the upper end of the liquid separating shaft 5, and the flange 14 is fixedly connected with the workbench 15, the liquid separating shaft 5 and the encoder connecting disc 16 at the same time. Specifically, the flange plate 14 is connected with the liquid separating shaft 5 and the encoder connecting disc 16 through a circle of screws, the outer side of each screw is in sealing connection with the connecting surface of the encoder connecting disc 16 through a fourth O-shaped ring 6, and the inner side of each screw is in sealing connection with the inner side of each screw through a fifth O-shaped ring 7. And the flange plate 14 is connected with the connecting surface of the liquid separating shaft 5 in a sealing way through a second O-shaped ring 3 at the outer side of the screw. The flange plate 14 is fixedly connected with the workbench 15 through a circle of screw, and the connecting surface between the flange plate 14 and the workbench 15 is hermetically connected with the inner side of the screw through a third O-shaped ring 4.
The upper end of the liquid separating shaft 5 is also connected with a transition disc 2, the transition disc 2 is positioned in the center of the flange plate 14 and is fixedly connected with the clamp 13, and a transition fluid channel structure communicated with the fluid channel structure in the shaft and communicated with the fluid channel structure in the clamp 13 is arranged in the transition disc 2. The transition fluid channel structure comprises a transition gas channel and a transition liquid channel, and the butt joint of the transition gas channel and the gas channel 131 in the clamp and the butt joint of the transition liquid channel and the liquid channel 132 in the clamp are hermetically connected through a first O-ring 1. The butt joint of the transition gas channel and the gas channel in the shaft and the butt joint of the transition liquid channel and the liquid channel in the shaft are also in sealing connection through the sealing rings.
As a first alternative embodiment of the above-described embodiments, when the jig 13 performs its own function only requiring gas or liquid, the in-oil-distribution-body fluid passage structure may include only an in-oil-distribution-body gas passage or an in-oil-distribution-body liquid passage, and the in-shaft fluid passage structure may include only an in-shaft gas passage or an in-shaft liquid passage. Of course, when the number of functions of the jig 13 is increased, the number of gas passages or liquid passages in the oil distribution body, and the number of gas passages or liquid passages in the shaft may be increased accordingly.
Example 2
The embodiment provides a five-axis machining device which comprises the turntable C-axis structure provided in the embodiment. When the five-axis machining device is used for installing the clamp 13, a rubber pipe does not need to be connected, and the rotation angle of the workbench 15 is not limited.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (9)
1. A turntable C-axis structure, comprising:
a turntable body (24);
the workbench (15) is rotatably connected to the rotary table body (24), and the workbench (15) is suitable for being fixedly connected with the clamp (13);
the oil distribution body structure is fixedly connected with the rotary table body (24), an oil distribution body fluid channel structure communicated with a pipe joint is arranged in the oil distribution body structure, and the pipe joint is suitable for being connected with a pipeline connected with a fluid source;
the liquid separating shaft (5) is fixedly connected with the workbench (15) and rotatably arranged in the oil distribution body structure, and an in-shaft fluid channel structure which is communicated with the in-oil distribution body fluid channel structure and the in-clamp fluid channel structure of the clamp (13) is arranged in the liquid separating shaft (5); the oil distribution in-vivo fluid channel structure comprises an oil distribution in-vivo gas channel and an oil distribution in-vivo liquid channel, the oil distribution in-vivo gas channel is communicated with a gas pipe joint (25), and the oil distribution in-vivo liquid channel is communicated with a liquid pipe joint (26);
the in-shaft fluid channel structure comprises an in-shaft gas channel and an in-shaft liquid channel, the in-shaft gas channel is communicated with the in-oil-distribution body gas channel, and the in-shaft liquid channel is communicated with the in-oil-distribution body liquid channel;
the clamp inner fluid passage structure comprises a clamp inner gas passage (131) and a clamp inner liquid passage (132), the shaft inner gas passage is communicated with the clamp inner gas passage (131), and the shaft inner liquid passage is communicated with the clamp inner liquid passage (132); the gas channel in the oil distribution body comprises a vertical first gas channel (100), a horizontal second gas channel (101) connected to the upper end of the first gas channel (100), and a first annular groove (102) arranged at one end, close to the liquid distribution shaft (5), of the second gas channel (101), wherein the first annular groove (102) is communicated with the gas channel in the shaft, and the lower end of the first gas channel (100) is connected with the gas pipe joint (25);
the internal liquid channel of the oil distribution body comprises a vertical first liquid channel (200), a horizontal second liquid channel (201) connected to the upper end of the first liquid channel (200), and a second annular groove (202) arranged at one end, close to the liquid distribution shaft (5), of the second liquid channel (201), wherein the second annular groove (202) is communicated with the internal liquid channel of the shaft, and the lower end of the first liquid channel (200) is connected with the liquid pipe joint (26);
the oil distribution body structure comprises an upper oil distribution body (21) and a lower oil distribution body (23) connected with the upper oil distribution body (21) in a sealing mode, the first gas channel (100) comprises a lower section gas channel arranged in the lower oil distribution body (23) and an upper section gas channel arranged in the upper oil distribution body (21), the first liquid channel (200) comprises a lower section liquid channel arranged in the lower oil distribution body (23) and an upper section liquid channel arranged in the upper oil distribution body (21), and the lower section liquid channel is communicated with the upper section liquid channel.
2. The turret C-axis structure according to claim 1, wherein a clearance is provided between the outer peripheral wall of the lower oil distribution body (23) and the turret body (24).
3. The turntable C-axis structure according to claim 1, characterized in that the separating shaft (5) and the oil distribution body structure are hermetically connected through a rotary sealing ring (10).
4. A turntable C-axis structure according to any one of claims 1-3, characterized in that it further comprises a mandrel (19) connected between the table (15) and the turntable body (24), the mandrel (19) being wrapped around the outside of the oil distribution body structure, the mandrel (19) being fixedly connected to the table (15) and to the turntable body (24) via a bearing (9).
5. The turntable C-axis structure according to claim 4, characterized in that a pressure plate (22) for supporting the bearing (9) is further connected to the lower end of the bearing (9), and the pressure plate (22) is fixedly connected with the inner ring of the bearing (9) and the mandrel (19) at the same time.
6. A turntable C-axis structure according to any one of claims 1-3, characterized in that the turntable C-axis structure further comprises an encoder (20), the encoder (20) comprises a fixed part and a rotating part, the fixed part is fixedly connected with the upper end of the oil distribution body structure, the rotating part is fixedly connected with an encoder connecting disc (16), and the encoder connecting disc (16) is fixedly connected with the liquid distribution shaft (5).
7. A turntable C-axis structure according to any one of claims 1-3, characterized in that a flange (14) is connected to the upper end of said separating shaft (5), said flange (14) being fixedly connected to said worktable (15) and said separating shaft (5).
8. The turntable C-shaft structure according to claim 7, characterized in that a transition disc (2) is further connected to the upper end of the separating shaft (5), the transition disc (2) is located at the center of the flange plate (14) and is fixedly connected with the clamp (13), and a transition fluid passage structure communicated with the in-shaft fluid passage structure and communicated with the in-clamp fluid passage structure is arranged in the transition disc (2).
9. A five-axis machining apparatus comprising the turntable C-axis structure of any one of claims 1 to 8.
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| CN202010045058.3A CN111215938B (en) | 2020-01-15 | 2020-01-15 | Revolving stage C axle construction and five-axis machining device |
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| CN202010045058.3A CN111215938B (en) | 2020-01-15 | 2020-01-15 | Revolving stage C axle construction and five-axis machining device |
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| CN111215938B true CN111215938B (en) | 2021-09-03 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113263335A (en) * | 2021-06-10 | 2021-08-17 | 苏州群志机械设备有限公司 | Numerical control turntable |
| CN114932421A (en) * | 2022-05-25 | 2022-08-23 | 苏州上金数控科技有限公司 | Rotary air supply device and machine tool |
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