CN108964328B - Direct-drive large-pull servo motor air film sealing device - Google Patents
Direct-drive large-pull servo motor air film sealing device Download PDFInfo
- Publication number
- CN108964328B CN108964328B CN201811044125.9A CN201811044125A CN108964328B CN 108964328 B CN108964328 B CN 108964328B CN 201811044125 A CN201811044125 A CN 201811044125A CN 108964328 B CN108964328 B CN 108964328B
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- servo motor
- drive
- wire drawing
- air film
- direct
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/124—Sealing of shafts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/128—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas using air-gap sleeves or air-gap discs
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Sealing Devices (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The invention discloses a direct-drive large-pull servo motor air film sealing device, which can solve the problems that the traditional direct-drive large-pull servo motor air film sealing device is not beneficial to disassembly and cleaning, wiredrawing liquid is leaked in a contact sealing mode, parts are continuously rubbed by adopting contact sealing, and the parts are worn while the energy consumption is increased. Including directly driving servo motor and being located the drive at its one end top, directly driving servo motor one end is connected with air film seal structure, directly drive servo motor with junction between the drive is provided with the joint, just it has the link to directly drive the welding on servo motor one end outer wall, the link middle part is provided with the hanging hole, directly drive servo motor with be connected with the butt joint seat between the air film seal structure. During operation, the wire drawing liquid does not leak, friction loss between parts can be avoided, and the service life of the parts is prolonged while energy consumption is reduced.
Description
Technical Field
The invention relates to a gas film sealing device, in particular to a gas film sealing device of a direct-drive large-pull servo motor.
Background
The servo motor is an engine for controlling mechanical elements to run in a servo system, and is an indirect speed change device for a supplementary motor. The servo motor can control the speed, the position accuracy is very accurate, and the voltage signal can be converted into the torque and the rotating speed to drive a control object. When the direct-drive large-pull servo motor is manufactured, the air film sealing technology is required to be used for sealing, so that a specific air film sealing device is required to be used.
However, the conventional direct-drive large-pull servo motor air film sealing device still has certain defects in use, is not beneficial to disassembly and cleaning, and can also cause wiredrawing liquid leakage due to a contact sealing mode, meanwhile, the conventional air film sealing device adopts contact sealing to enable parts to be continuously rubbed, and abrasion can be caused to the parts while energy consumption is increased, so that the service life of the air film sealing device is greatly reduced.
Disclosure of Invention
The invention aims to provide a direct-drive large-pull servo motor air film sealing device, which can solve the problems that the traditional direct-drive large-pull servo motor air film sealing device is not beneficial to disassembly and cleaning, wiredrawing liquid is leaked in a contact sealing mode, parts are continuously rubbed by adopting contact sealing, the energy consumption is increased, and the parts are worn, so that the service life of the air film sealing device is greatly reduced.
The aim of the invention can be achieved by the following technical scheme:
the utility model provides a directly drive and draw servo motor air film sealing device, includes directly drives servo motor and is located the drive at its one end top, directly drive servo motor one end and be connected with air film sealing structure, its characterized in that, directly drive servo motor with the junction between the drive, just directly drive and be welded on servo motor one end outer wall and have the link, the link middle part is provided with the hanging hole, directly drive servo motor with be connected with the butt joint seat between the air film sealing structure;
the inside wire drawing room that is provided with of air film seal structure, the wire drawing room is close to both sides about the one end of butt joint seat all installs the flange, the flange with be connected between the butt joint seat, both sides all are provided with wire drawing drum about the wire drawing room other end, detachable gland is installed to wire drawing room one end, the gland outside is the wire drawing liquid of parcel it, the wire drawing room with both sides all are provided with compressed air inlet about the junction between the flange, two compressed air inlet with the junction between the wire drawing room installs spiral labyrinth seal, be provided with annular air cavity on the spiral labyrinth seal lateral wall.
Preferably, two screws are connected to the outer walls of the two sides of the direct-drive servo motor in a penetrating way, and the direct-drive servo motor is fixed at a position through four screws and a hanging ring.
Preferably, the butt joint seat is of a toppling U-shaped structure.
Preferably, the wire drawing chamber is of a trapezoid structure, and the wire drawing chamber is sealed through a gland and a spiral labyrinth.
Preferably, the two annular air cavities are of annular structures with openings facing the compressed air inlet, and the two annular air cavities are symmetrically arranged.
Preferably, two spiral labyrinth seals one end all is connected with annular and excretes the chamber, and two annular are excreted the chamber and are piled into the setting between the chamber, and two annular are excreted the chamber and are the annular structure that the opening outwards.
The invention has the beneficial effects that:
1. because the butt joint seat is the U type structure of empting, utilize the butt joint seat of U type structure to directly drive butt joint between servo motor and the air film seal structure to directly drive inside the wire drawing room is inserted through the butt joint seat opening part of U type structure to the drive shaft of servo motor, all contactless with between air film seal structure and the butt joint seat realizes contactless seal, thereby no friction between each part realizes the function of not wearing and tearing when effectively reducing the energy consumption, the butt joint and the dismantlement of going on between servo motor and the air film seal structure have been made things convenient for to the existence of butt joint seat simultaneously.
2. Because the wire drawing room is trapezium structure, and the wire drawing room passes through gland and spiral labyrinth seal for wire drawing room overall structure seals, and wire drawing liquid only can the inside of impressing the wire drawing room when the gland is opened.
3. Because the two annular air cavities are all annular structures with openings facing the compressed air inlet, and the two annular air cavities are symmetrically arranged, the wire drawing liquid can be sealed inside the wire drawing chamber under the extrusion of compressed air, thereby realizing leak-free wire drawing.
4. Because two spiral labyrinth seal one end all is connected with the annular and excretes the chamber, the pile is set up between two annular excretes the chamber, and two annular excrete the chamber and be the outside annular structure of opening for the wire drawing room can utilize two annular excretes the chamber and realize excreting the function, thereby need not to dismantle cleanly.
Drawings
The present invention is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is an enlarged detail view of area A of FIG. 1 in accordance with the present invention;
FIG. 3 is a side view of the present invention;
in the figure: 1. a direct-drive servo motor; 2. driving; 3. a flange; 4. a wire drawing drum wheel; 5. a gas film sealing structure; 6. drawing liquid; 7. a screw; 8. a joint; 9. hanging rings; 10. a hanging hole; 11. a wire drawing chamber; 12. a compressed air inlet; 13. an annular air cavity; 14. spiral labyrinth seal; 15. an annular drainage chamber; 16. a gland; 17. and (5) a butt joint seat.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, a gas film sealing device of a direct-drive large-pull servo motor comprises a direct-drive servo motor 1 and a drive 2 positioned at the top of one end of the direct-drive servo motor, wherein one end of the direct-drive servo motor 1 is connected with a gas film sealing structure 5, a joint 8 is arranged at the joint between the direct-drive servo motor 1 and the drive 2, a hanging ring 9 is welded on the outer wall of one end of the direct-drive servo motor 1, a hanging hole 10 is formed in the middle of the hanging ring 9, and a butt joint seat 17 is connected between the direct-drive servo motor 1 and the gas film sealing structure 5;
the inside wire drawing room 11 that is provided with of air film seal structure 5, the wire drawing room 11 is close to the one end upper and lower both sides of docking station 17 and all installs flange 3, be connected between flange 3 and the docking station 17, both sides all are provided with wire drawing drum wheel 4 about the wire drawing room 11 other end, detachable gland 16 is installed to wire drawing room 11 one end, gland 16 outside is its wire drawing liquid 6 of parcel, both sides all are provided with compressed air inlet 12 about the junction between wire drawing room 11 and the flange 3, spiral labyrinth seal 14 is installed to the junction between two compressed air inlet 12 and the wire drawing room 11, be provided with annular air cavity 13 on the spiral labyrinth seal 14 lateral wall.
Two screws 7 are connected to the outer walls of the two sides of the direct-drive servo motor 1 in a penetrating manner, and the direct-drive servo motor 1 is fixed at a position through the four screws 7 and one hanging ring 9, so that the direct-drive servo motor 1 can be firmly fixed at the position through the screws 7 and the hanging ring 9, and the stability during operation is effectively ensured.
The butt joint seat 17 is of a toppling U-shaped structure, the butt joint seat 17 of the U-shaped structure is utilized to butt joint the direct-drive servo motor 1 and the air film sealing structure 5, and the driving shaft of the direct-drive servo motor 1 is connected into the wire drawing chamber 11 through the opening part of the butt joint seat 17 of the U-shaped structure, and is in non-contact with the air film sealing structure 5 and the butt joint seat 17, so that non-contact sealing is realized, friction among all parts is avoided, the energy consumption is effectively reduced, the function of no abrasion is realized, and meanwhile, the butt joint and disassembly between the direct-drive servo motor 1 and the air film sealing structure 5 are convenient due to the existence of the butt joint seat 17.
The drawing chamber 11 is of a trapezoid structure, and the drawing chamber 11 is sealed through the gland 16 and the spiral labyrinth seal 14, so that the whole structure of the drawing chamber 11 is sealed, and the drawing liquid 6 can be pressed into the drawing chamber 11 only when the gland 16 is opened.
The two annular air cavities 13 are of annular structures with openings facing the compressed air inlet 12, the two annular air cavities 13 are symmetrically arranged, and the wire drawing liquid 6 can be sealed inside the wire drawing chamber 11 under the extrusion of compressed air, so that the leakage-free wire drawing is realized.
The annular drainage cavity 15 is connected with one end of each of the two spiral labyrinth seals 14, the two annular drainage cavities 15 are symmetrically arranged, and the two annular drainage cavities 15 are of an annular structure with an opening facing outwards, so that the wire drawing chamber 11 can realize the drainage function by utilizing the two annular drainage cavities 15, and cleaning is not required to be disassembled.
The beneficial effects of the invention are as follows: because the butt joint seat 17 of connecting direct-drive servo motor 1 and air film seal structure 5 is the U type structure of empting, when utilizing butt joint seat 17 of U type structure to dock between direct-drive servo motor 1 and air film seal structure 5, the drive shaft of direct-drive servo motor 1 inserts wire drawing room 11 inside through the butt joint seat 17 opening part of U type structure, all contactless with between air film seal structure 5 and the butt joint seat 17 realizes contactless seal, thereby no friction between each part, realize not wearing and tearing function when effectively reducing the energy consumption, the existence of butt joint seat 17 has made things convenient for butt joint and dismantlement between direct-drive servo motor 1 and air film seal structure 5 simultaneously.
Because the wire drawing chamber 11 is of a trapezoid structure, and the wire drawing chamber 11 is sealed through the gland 16 and the spiral labyrinth seal 14, the whole structure of the wire drawing chamber 11 is sealed, and the wire drawing liquid 6 can be pressed into the wire drawing chamber 11 only when the gland 16 is opened.
Because the two annular air cavities 13 are all annular structures with openings facing the compressed air inlet 12, and the two annular air cavities 13 are symmetrically arranged, the wire drawing liquid 6 can be sealed inside the wire drawing chamber 11 under the extrusion of compressed air, thereby realizing leak-free wire drawing.
Because two spiral labyrinth seals 14 one end all is connected with annular drainage chamber 15, piles into the setting between two annular drainage chamber 15, and two annular drainage chamber 15 are the opening annular structure outwards for wire drawing room 11 can utilize two annular drainage chamber 15 to realize excreting the function, thereby need not to dismantle cleanly.
When the direct-drive servo motor is used, the position of the direct-drive servo motor 1 is fixed, as the two screws 7 are connected to the outer walls of the two sides of the direct-drive servo motor 1 in a penetrating way, the positions of the four screws 7 and the hanging ring 9 are fixed, the direct-drive servo motor 1 can be firmly fixed through the screws 7 and the hanging ring 9, so that the stability in operation is effectively ensured, the direct-drive servo motor 1 and the air film sealing structure 5 are in butt joint, and the butt joint seat 17 is of a toppling U-shaped structure, the driving shaft of the direct-drive servo motor 1 is connected into the wire drawing chamber 11 through the opening part of the butt joint seat 17 of the U-shaped structure, so that the driving shaft of the direct-drive servo motor 1, the air film sealing structure 5 and the butt joint seat 17 are in non-contact, non-contact sealing is realized, friction among all parts is avoided, the energy consumption is effectively reduced, and meanwhile, the butt joint and the disassembly between the direct-drive servo motor 1 and the air film sealing structure 5 are convenient. Subsequently, when sealing is performed, since the drawing chamber 11 is of a trapezoid structure, and the drawing chamber 11 is sealed through the gland 16 and the spiral labyrinth seal 14, so that the whole structure of the drawing chamber 11 is sealed, the drawing liquid 6 can be pressed into the drawing chamber 11 only when the gland 16 is opened, the two annular air cavities 13 are of annular structures with openings facing the compressed air inlet 12, and the two annular air cavities 13 are symmetrically arranged, the drawing liquid 6 can be sealed inside the drawing chamber 11 under the extrusion of compressed air, so that no-leakage drawing is realized. Finally, since the two symmetrically arranged annular drainage chambers 15 are open outwards, the wire drawing chamber 11 can realize a drainage function by utilizing the two annular drainage chambers 15, so that the disassembly cleaning is not required.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (3)
1. The utility model provides a directly drive greatly and draw servo motor air film sealing device, includes directly drives servo motor (1) and is located drive (2) at its one end top, directly drive servo motor (1) one end and be connected with air film seal structure (5), its characterized in that, directly drive the junction between servo motor (1) and drive (2) and be provided with joint (8), just directly drive and weld on the outer wall of servo motor (1) one end link (9), link (9) middle part is provided with hanging hole (10), directly drive between servo motor (1) with be connected with butt joint seat (17) between air film seal structure (5);
the novel air film sealing structure is characterized in that a wire drawing chamber (11) is arranged inside the air film sealing structure (5), flanges (3) are arranged on the upper side and the lower side of one end, close to a butt joint seat (17), of the wire drawing chamber (11), the flanges (3) are connected with the butt joint seat (17), wire drawing drums (4) are arranged on the upper side and the lower side of the other end of the wire drawing chamber (11), a detachable gland (16) is arranged at one end of the wire drawing chamber (11), wire drawing liquid (6) wrapping the gland (16) is arranged outside the gland (16), compressed air inlets (12) are arranged on the upper side and the lower side of a joint between the wire drawing chamber (11) and the flanges (3), a spiral labyrinth seal (14) is arranged at the joint between the two compressed air inlets (12) and the wire drawing chamber (11), and an annular air cavity (13) is arranged on the side wall of the spiral labyrinth seal (14).
The butt joint seat (17) is of a toppling U-shaped structure;
the wire drawing chamber (11) is of a trapezoid structure, and the wire drawing chamber (11) is sealed through a gland (16) and a spiral labyrinth seal (14);
two spiral labyrinth seals (14) one end all is connected with annular drainage chamber (15), and symmetry sets up between two annular drainage chamber (15), and two annular drainage chamber (15) are the annular structure that the opening outwards.
2. The direct-drive large-pulling servo motor air film sealing device according to claim 1, wherein two screws (7) are connected to the outer walls of the two sides of the direct-drive servo motor (1) in a penetrating mode, and the direct-drive servo motor (1) is fixed in position through the four screws (7) and a hanging ring (9).
3. The direct-drive large-pulling servo motor air film sealing device according to claim 1, wherein the two annular air cavities (13) are of annular structures with openings facing the compressed air inlet (12), and the two annular air cavities (13) are symmetrically arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811044125.9A CN108964328B (en) | 2018-09-07 | 2018-09-07 | Direct-drive large-pull servo motor air film sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811044125.9A CN108964328B (en) | 2018-09-07 | 2018-09-07 | Direct-drive large-pull servo motor air film sealing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108964328A CN108964328A (en) | 2018-12-07 |
| CN108964328B true CN108964328B (en) | 2023-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811044125.9A Active CN108964328B (en) | 2018-09-07 | 2018-09-07 | Direct-drive large-pull servo motor air film sealing device |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203599235U (en) * | 2013-12-04 | 2014-05-21 | 国家电网公司 | Leakage prevention mechanism of drawing machine |
| CN103925373A (en) * | 2014-04-30 | 2014-07-16 | 湖北新置密封件有限公司 | Labyrinth type halt two-way sealing device |
| CN203830439U (en) * | 2014-05-08 | 2014-09-17 | 胜利油田桩西精细化工有限责任公司 | Shaft extension seal drainage device of wire drawing machine |
| CN207080596U (en) * | 2017-07-03 | 2018-03-09 | 深圳市广源智能设备有限公司 | A kind of gas sealing structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208738953U (en) * | 2018-09-07 | 2019-04-12 | 合肥神马科技集团有限公司 | A kind of straight drive is big to draw servo motor gas film sealing device |
-
2018
- 2018-09-07 CN CN201811044125.9A patent/CN108964328B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203599235U (en) * | 2013-12-04 | 2014-05-21 | 国家电网公司 | Leakage prevention mechanism of drawing machine |
| CN103925373A (en) * | 2014-04-30 | 2014-07-16 | 湖北新置密封件有限公司 | Labyrinth type halt two-way sealing device |
| CN203830439U (en) * | 2014-05-08 | 2014-09-17 | 胜利油田桩西精细化工有限责任公司 | Shaft extension seal drainage device of wire drawing machine |
| CN207080596U (en) * | 2017-07-03 | 2018-03-09 | 深圳市广源智能设备有限公司 | A kind of gas sealing structure |
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| Publication number | Publication date |
|---|---|
| CN108964328A (en) | 2018-12-07 |
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