CN101733444B - Hermetically and rotatably connecting mechanism for rotating shaft of numerical control drill - Google Patents
Hermetically and rotatably connecting mechanism for rotating shaft of numerical control drill Download PDFInfo
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- CN101733444B CN101733444B CN2009102320357A CN200910232035A CN101733444B CN 101733444 B CN101733444 B CN 101733444B CN 2009102320357 A CN2009102320357 A CN 2009102320357A CN 200910232035 A CN200910232035 A CN 200910232035A CN 101733444 B CN101733444 B CN 101733444B
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- sealing
- main shaft
- numerical control
- connecting mechanism
- liquid inlet
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Abstract
The invention relates to a hermetically and rotatably connecting mechanism for a rotating shaft of a numerical control drill, which belongs to the technical field of a shaft connecting sealing device. The rotating shaft of the numerical control drill comprises a main shaft, wherein a liquid through hole is formed on the main shaft and a driving wheel is fixedly arranged on the main shaft. The hermetically and rotatably connecting mechanism comprises a cooling liquid hermetically connecting base, a sealing device, a cooling liquid inlet joint, a first bearing, a second bearing, a space ring and a connecting base cover, wherein one end of the cooling liquid hermetically connecting base is provided with a connecting head, while the other end is provided with a sealing device cavity; the sealing device consists of a sealing pressure plate, a front frame sealing ring and a sealing ring pressing plate; the sealing device is arranged in the sealing device cavity; the cooling liquid inlet joint is fixed on a fixed seat; the first bearing and the second bearing are arranged on the cooling liquid inlet joint; the space ring is positioned between the first bearing and the second bearing; the connecting base cover is arranged at one end of the cooling liquid inlet joint and is fixed with the cooling liquid hermetically connecting base; and the sealing pressure plate, the front frame sealing ring and the sealing ring pressing plate are sleeved on the cooling liquid inlet joint and rotate along with the cooling liquid hermetically connecting base. The whole hermetically and rotatably connecting mechanism can convey the cooling liquid to the main shaft and also can ensure the sealing effect.
Description
Technical field
The invention belongs to a connection sealing device technical field, be specifically related to the sealing connecting mechanism for rotating that a kind of numerical control drilling machine gyroaxis is used.
Background technology
Workpiece is being implemented in the process of shallow bore hole drilling, the cooling fluid of outer spray can arrive at the blade of cutting tool, but for gun drilling, because outer spray cooling fluid can't enter the blade of cutting tool at all, thereby is difficult to the blade of cutting tool is implemented effectively cooling.Usually carry cooling fluid by means of the through hole that is opened in the main shaft inner chamber to the cutting tool that is installed on the main shaft in this case, that is to say, cooling fluid is introduced (cooling fluid has higher pressure) from an end of main shaft, cause the cutting tool that is installed in the main shaft other end, and spray from the cutting edge of cutting tool.Not ccontaining doubting, being used to of docking with main shaft carries the sealing connecting mechanism for rotating of cooling fluid and sealing of spindles to require very exquisite, basically there is not technology barrier for the slow-revving sealing of main shaft at present, but processing to the big hole of small-bore and the degree of depth, the speed of mainshaft is higher, and the seal request under (main shaft) high pressure (cooling fluid) suffers from industry all the time at a high speed.
Summary of the invention
Task of the present invention is to provide a kind of and can implements well connect with the main shaft of rotation at a high speed and use and play the sealing connecting mechanism for rotating that can use to the numerical control drilling machine gyroaxis that main shaft carries cooling fluid can embody positiver sealing.
Task of the present invention is finished like this, the sealing connecting mechanism for rotating that a kind of numerical control drilling machine gyroaxis is used, the main shaft that the central authorities that described numerical control drilling machine gyroaxis is included in length direction offer liquid-through hole and be installed with drive on axis body, described sealing connecting mechanism for rotating comprises the cooling fluid seat that is tightly connected, this cooling fluid be tightly connected the seat an end have a connector, connector is connected with described main shaft, and the other end has a sealing device chamber; One by sealing the sealing device that platen, side arm sealing ring and sealing ring pressing plate constitute, and is located in the described sealing device chamber; The central authorities of one length direction offer the cooling fluid liquid inlet joint of inlet opening, and an end of this liquid inlet joint is fixed on the holder; First, second bearing is located on the described liquid inlet joint; One spacer ring is seized on both sides by the arms between described first, second bearing and by first, second bearing; One is used for the connection flap that closes is covered in described sealing device chamber, be arranged on an end of liquid inlet joint and fixing rotationally with the described cooling fluid seat that is tightly connected, described sealing platen, side arm sealing ring and sealing ring pressing plate are set on the liquid inlet joint, and with the be tightly connected seat rotation of described cooling fluid.
In a specific embodiment of the present invention, described cooling fluid is tightly connected and offers first guiding fluid hole that a pair of position corresponds to each other on the seat, first guiding fluid hole communicates with described sealing device chamber, offer that a pair of position corresponds to each other on the described spacer ring and with corresponding second guiding fluid hole of described first guiding fluid hole.
In another specific embodiment of the present invention, the matched end of described main shaft and described connector constitutes a sealing ring chamber, one end of described liquid inlet joint reaches in the sealing ring chamber and also is equipped with at least one first sealing ring at this end of liquid inlet joint, the chamber wall in this first sealing ring and sealing ring chamber constitutes sealing, and described inlet opening is corresponding with described liquid-through hole.
In another specific embodiment of the present invention, be processed with the connector internal thread on the inwall of described connector, and be processed with the main shaft external screw thread on the outer wall of the end that described main shaft is connected with connector, the main shaft external screw thread matches with the connector internal thread.
In another specific embodiment of the present invention, also revolve on the described main shaft external screw thread and be furnished with first, second locking nut.
Also have in the specific embodiment of the present invention, described sealing platen is provided with at least one second sealing ring towards a side of described connector.
More of the present invention and in specific embodiment, described drive is a belt pulley.
In of the present invention and then specific embodiment, described belt pulley is a synchronous pulley.
The cooling fluid of technical scheme provided by the invention be tightly connected the seat can connect with main shaft close friend as the numerical control drilling machine gyroaxis, and by the sealing device sealing that is located in the sealing device chamber, be defeated by the liquid-through hole of main shaft through inlet opening by being fixed on cooling fluid that liquid inlet joint on the holder will have pressure, the blade that draws and be fixed on the cutting tool on the main shaft by liquid-through hole, therefore whole sealing connecting mechanism for rotating both can be carried cooling fluid to main shaft, can ensure sealing effectiveness again.
Description of drawings
Fig. 1 is a specific embodiment structure chart of the present invention.
Fig. 2 is the cutaway view of Fig. 1.
Fig. 3 is an application examples schematic diagram of the present invention.
The specific embodiment
For the auditor that the makes Patent Office especially public can be expressly understood technical spirit of the present invention and beneficial effect more, the applicant general elaborates in conjunction with the accompanying drawings in the mode of embodiment below, but to the description of embodiment all is not restriction to the present invention program, any according to the present invention's design done only for pro forma but not substantial equivalent transformation all should be considered as technical scheme category of the present invention.
Ask for an interview Fig. 1 and Fig. 2, provided main shaft 1 as the numerical control drilling machine gyroaxis, central authorities at the length direction of this main shaft 1 offer the liquid-through hole 11 that a diameter does not need particular determination, and on main shaft 1, be installed with the drive of filling the post of by synchronous pulley 12, at be tightly connected a end that seat 2 connector 21 is connected of the main shaft 1 and the cooling fluid of sealing connecting mechanism for rotating of the present invention is to be processed with main shaft external screw thread 14 on the axis body of right-hand member illustrated in figures 1 and 2, on main shaft external screw thread 14, revolve and be furnished with first, second locking nut 141,142, wherein, 141 pairs of drive 12 limitation lockings of first locking nut, and 142 pairs of connector 21 limitation lockings of second locking nut.Also expand in the central authorities of the matched end of main shaft 1 and connector 21 and to be provided with a sealing ring chamber 13.Be processed with connector internal thread 211 on the inwall of aforesaid connector 21, this connector internal thread 211 matches with aforesaid main shaft external screw thread 14, the right-hand member (shown position is an example) of main shaft 1 is connected with connector 21, when main shaft 1 rotates under the drive of drive 12, by connector 21 drive whole cooling fluid be tightly connected the seat 2 the rotation.Be tightly connected seat 2 right-hand member (equally being example by location status illustrated in figures 1 and 2 at present in cooling fluid, as follows) constitute a sealing device chamber 22, and also offering a pair of first guiding fluid hole, 23, the first guiding fluid holes 23 on cooling fluid is tightly connected seat 2 communicates with sealing device chamber 22.
One is not fixed on the holder 5 with the be tightly connected right-hand members that promptly are in static liquid inlet joint 4 all the time of seat 2 rotations of cooling fluid, and by lock nut 43 lockings, and above-mentioned sealing device 3 is set in the left end of liquid inlet joint, and sealing device 3 is to rotate with cooling fluid seat 2 the rotation that is tightly connected.Sealing device 3 is made of sealing platen 31, side arm sealing ring 32 and sealing ring pressing plate 33, wherein, side arm sealing ring 32 is between sealing platen 31 and sealing ring pressing plate 33, on the card in the left side that seals platen 31, be provided with a pair of second sealing ring 311, should touch step wall 321 subsides in one of second sealing ring 311 and aforesaid sealing device chamber 22, and another second sealing ring 311 touches (concrete visible Fig. 2) with end face 15 subsides of the right-hand member of aforesaid main shaft 1.The inlet opening that central authorities offered 41 of the length direction of liquid inlet joint 4 is corresponding with liquid-through hole 11, is provided with a pair of first sealing ring 42 at the left end of liquid inlet joint 4, and this contacts (Fig. 2 shows) to first sealing ring 42 with the chamber wall in the sealing ring chamber 13 of aforesaid main shaft 1.
Avoid liquid inlet joint 4 with revolving in order to ensure cooling fluid to be tightly connected seat 2 rotations, then on liquid inlet joint 4, be provided with first, second bearing 6a, 6b, the inner ring of first, second bearing 6a, 6b and liquid inlet joint 4 are fixing, and the outer ring then cooperates with the chamber wall in sealing device chamber 22.Have a spacer ring 7 between first, second bearing 6a, 6b, this spacer ring 7 is clamped jointly by first, second bearing 6a, 6b, and it is corresponding with aforesaid first guiding fluid hole 23 to offer a pair of second guiding fluid hole, 71, the second guiding fluid holes 71 on spacer ring 7.In case when having a spot of cooling fluid in sealing device 3 leaks into sealing device chamber 22, then by under the action of centrifugal force of at a high speed rotation with cooling fluid from first guiding fluid hole 23 and through second guiding fluid hole 71 drain into be arranged on separately on the numerical control drilling machine and corresponding to the remittance oil ring at the position of spacer ring 7 (not shown).The right openings position in aforesaid sealing device chamber 22 is by connecting flap 8 by screw 81 cap seals, according to general knowledge, connect flap 8 and be located at rotationally on the liquid inlet joint 4 and by the 3rd sealing ring 44 sealings that are located on the liquid inlet joint 4.
Ask for an interview Fig. 3, the figure shows example structure with Fig. 1 and be configured in application scenarios on the numerical control drilling machine, by shown in Figure 3, drilling cutters chuck 9 is taken the right-hand member that drilling sword 91 is fixed on main shaft 1, and main shaft 1 is bearing on the frame of numerical control drilling machine rotationally, under the work of motor 10, drive drive 12 by synchronous band, because drive 12 is fixing with main shaft 1, so main shaft 1 rotation at a high speed, seat 2 is connected with main shaft 1 because cooling fluid is tightly connected again, so by main shaft 1 its rotation of drive.Under the high speed rotation of main shaft 1,91 pairs of workpiece drillings of drilling sword, at this moment, cooling fluid such as cold oil are caused the inlet opening 41 of liquid inlet joint 4 by the cooling fluid carrier pipe that connects with liquid inlet joint 4 under pressure, because inlet opening 41 is corresponding with liquid-through hole 11 and communicates, therefore cooling fluid is from liquid-through hole 11 sprays and to aforesaid drilling sword 91, to the 91 lubricated and coolings of drilling sword.In entire work process, by sealing device 3 and accordingly first, second sealing ring 42,311 play reliable sealing function, cooling fluid can not leaked substantially.As seen technical scheme of the present invention had both satisfied the seal request under main shaft 1 high speed rotary, had satisfied the requirement of carrying cooling fluid to drilling sword 91 again.
Claims (8)
1. sealing connecting mechanism for rotating that the numerical control drilling machine gyroaxis is used, the main shaft (1) that the central authorities that described numerical control drilling machine gyroaxis is included in length direction offer liquid-through hole (11) and be installed with drive (12) on axis body, it is characterized in that described sealing connecting mechanism for rotating comprise a cooling fluid be tightly connected the seat (2), this cooling fluid be tightly connected the seat (2) an end have a connector (21), connector (21) is connected with described main shaft (1), and the other end has a sealing device chamber (22); One sealing device (3) by sealing platen (31), side arm sealing ring (32) and sealing ring pressing plate (33) formation is located in the described sealing device chamber (22); The central authorities of one length direction offer the cooling fluid liquid inlet joint (4) of inlet opening (41), and an end of this liquid inlet joint (4) is fixed on the holder (5); First, second bearing (6a, 6b) is located on the described liquid inlet joint (4); One spacer ring (7) is positioned between described first, second bearing (6a, 6b) and by first, second bearing (6a, 6b) and seizes on both sides by the arms; One is used for the connection flap (8) that closes is covered in described sealing device chamber (22), be arranged on an end of liquid inlet joint (4) and fixing rotationally with the described cooling fluid seat (2) that is tightly connected, described sealing platen (31), side arm sealing ring (32) and sealing ring pressing plate (33) are set on the liquid inlet joint (4), and with described cooling fluid be tightly connected the seat (2) rotation.
2. the sealing connecting mechanism for rotating that numerical control drilling machine gyroaxis according to claim 1 is used, it is characterized in that the described cooling fluid seat that is tightly connected offers first guiding fluid hole (23) that a pair of position corresponds to each other on (2), first guiding fluid hole (23) communicates with described sealing device chamber (22), offer that a pair of position corresponds to each other on the described spacer ring (7) and with corresponding second guiding fluid hole of described first guiding fluid hole (23) (71).
3. the sealing connecting mechanism for rotating that numerical control drilling machine gyroaxis according to claim 1 is used, it is characterized in that the matched end of described main shaft (1) and described connector (21) constitutes a sealing ring chamber (13), one end of described liquid inlet joint (4) reaches in the sealing ring chamber (13) and also is equipped with at least one first sealing ring (42) at this end of liquid inlet joint (4), this first sealing ring (42) constitutes sealing with the chamber wall in sealing ring chamber (13), and described inlet opening (41) is corresponding with described liquid-through hole (11).
4. the sealing connecting mechanism for rotating of using according to claim 1 or 3 described numerical control drilling machine gyroaxises, it is characterized in that being processed with connector internal thread (211) on the inwall of described connector (21), and being processed with main shaft external screw thread (14) on the outer wall of the end that described main shaft (1) is connected with connector (21), main shaft external screw thread (14) matches with connector internal thread (211).
5. the sealing connecting mechanism for rotating that numerical control drilling machine gyroaxis according to claim 4 is used is characterized in that also revolving on the described main shaft external screw thread (14) and is furnished with first, second locking nut (141,142).
6. the sealing connecting mechanism for rotating that numerical control drilling machine gyroaxis according to claim 1 is used is characterized in that described sealing platen (31) is provided with at least one second sealing ring (311) towards a side of described connector (21).
7. the sealing connecting mechanism for rotating that numerical control drilling machine gyroaxis according to claim 1 is used is characterized in that described drive (12) is a belt pulley.
8. the sealing connecting mechanism for rotating that numerical control drilling machine gyroaxis according to claim 7 is used is characterized in that described belt pulley is a synchronous pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102320357A CN101733444B (en) | 2009-11-30 | 2009-11-30 | Hermetically and rotatably connecting mechanism for rotating shaft of numerical control drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102320357A CN101733444B (en) | 2009-11-30 | 2009-11-30 | Hermetically and rotatably connecting mechanism for rotating shaft of numerical control drill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101733444A CN101733444A (en) | 2010-06-16 |
| CN101733444B true CN101733444B (en) | 2011-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102320357A Expired - Fee Related CN101733444B (en) | 2009-11-30 | 2009-11-30 | Hermetically and rotatably connecting mechanism for rotating shaft of numerical control drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101733444B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103101057B (en) * | 2011-11-10 | 2015-10-14 | 鸿富锦精密工业（深圳）有限公司 | Robot arm |
| CN110697953B (en) * | 2019-09-29 | 2022-10-28 | 广东石油化工学院 | Organic pollutant degradation device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3541283C2 (en) * | 1985-08-31 | 1989-03-02 | Schwing-Hydraulik-Elektronik Gmbh + Co, 4690 Herne, De | |
| CN2627288Y (en) * | 2002-03-25 | 2004-07-21 | 中国石化胜利油田有限公司桩西采油厂 | Hydraulic tuntable rotation sealing arrangement |
| CN201579647U (en) * | 2009-11-30 | 2010-09-15 | 常熟市中恒数控设备制造有限公司 | Sealing rotary connecting mechanism used for revolving axle of numerical control drilling machine |
-
2009
- 2009-11-30 CN CN2009102320357A patent/CN101733444B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3541283C2 (en) * | 1985-08-31 | 1989-03-02 | Schwing-Hydraulik-Elektronik Gmbh + Co, 4690 Herne, De | |
| CN2627288Y (en) * | 2002-03-25 | 2004-07-21 | 中国石化胜利油田有限公司桩西采油厂 | Hydraulic tuntable rotation sealing arrangement |
| CN201579647U (en) * | 2009-11-30 | 2010-09-15 | 常熟市中恒数控设备制造有限公司 | Sealing rotary connecting mechanism used for revolving axle of numerical control drilling machine |
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| Publication number | Publication date |
|---|---|
| CN101733444A (en) | 2010-06-16 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHANGSHU ZHONGHENG AUTOMATION EQUIPMENT CO., LTD. Free format text: FORMER NAME: CHANGSHU ZHONGHENG CNC MACHINE MANUFACTURE CO., LTD. |
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| CP03 | Change of name, title or address |
Address after: 215500, No. 158, North Third Ring Road, Suzhou, Jiangsu, Changshou City Patentee after: CHANGSHU ZHONGHENG NUMERICAL CONTROL EQUIPMENT MANUFACTURING CO.,LTD. Address before: 215500 No. 158 Spur Dike Section, North Third Ring Road, Jiangsu, Changshou City Patentee before: Changshu Zhongheng Cnc Machine Manufacture Co., Ltd. |
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| CP03 | Change of name, title or address |
Address after: 215500 No. 8 Sunshine Avenue, Suzhou, Jiangsu, Changshou City Patentee after: Pacific Textile Machinery (Changshu) Co., Ltd. Address before: 215500, No. 158, North Third Ring Road, Suzhou, Jiangsu, Changshou City Patentee before: CHANGSHU ZHONGHENG NUMERICAL CONTROL EQUIPMENT MANUFACTURING CO.,LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110427 Termination date: 20171130 |