CN103909438A - Rotating joint for numerically controlled cutting machine tool - Google Patents
Rotating joint for numerically controlled cutting machine tool Download PDFInfo
- Publication number
- CN103909438A CN103909438A CN201410074599.3A CN201410074599A CN103909438A CN 103909438 A CN103909438 A CN 103909438A CN 201410074599 A CN201410074599 A CN 201410074599A CN 103909438 A CN103909438 A CN 103909438A
- Authority
- CN
- China
- Prior art keywords
- outer ring
- swivel joint
- servomotor
- encoder
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/02—Driving main working members
- B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
- B23Q5/10—Driving main working members rotary shafts, e.g. working-spindles driven essentially by electrical means
-
- 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
- B23Q2705/00—Driving working spindles or feeding members carrying tools or work
- B23Q2705/02—Driving working spindles
Abstract
The invention relates to a rotating joint for a numerically controlled cutting machine tool. The rotating joint for the numerically controlled cutting machine tool comprises an installation base and a servo motor with a power line; an encoder with an encoder line is arranged on the servo motor; the servo motor is provided with a first rotating joint and a second rotating joint; the first rotating joint comprises a first outer ring, a first rotating transducer and a first internal rotor; the second rotating joint comprises a second outer ring, a second rotating transducer and a second internal rotor; a first groove is formed in the internal lateral wall of the first outer ring; a second groove is formed in the internal lateral wall of the second outer ring. The rotating joint for the numerically controlled cutting machine tool has the advantages of guaranteeing normal utilization of the servo motor power line, improving the safety performance and being good in practical performance due to the facts that the first rotating transducer which is arranged on the first rotating joint and the second rotating transducer which is arranged on the second rotating joint receive signals from the encoder and the servo motor power line to control rotation of the servo motor on the installation base and the first groove and the second groove are formed.
Description
Technical field
The present invention relates to numerically controlled machine tool swivel joint.
Background technology
Numerically controlled machine tool is to process various metal works by cutting, grinding or special process method, make it obtain the lathe of desired geometry, dimensional accuracy and surface quality, and existing servomotor is in the time that drive shaft is rotated, servomotor is to be fixedly connected on lathe, the power line that main shaft is easily used servomotor in the time rotating so synchronously rotates, thereby make power line entanglement, poor safety performance, is unfavorable for using.
Summary of the invention
The technical problem to be solved in the present invention is that existing main shaft easily makes servomotor power line generation entanglement in the time rotating, and poor safety performance is unfavorable for using, thereby numerically controlled machine tool swivel joint is provided.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions: numerically controlled machine tool swivel joint, comprise mount pad, with the servomotor of power line, described servomotor is provided with the encoder with encoder line, described servomotor is provided with to be controlled servomotor the first swivel joint and the controlled encoder that are rotatably connected on mount pad and is synchronously rotatably connected on the second swivel joint on mount pad, described the second swivel joint is fixedly connected on the first swivel joint, described the first swivel joint comprises the first outer ring being fixedly connected on servomotor, be fixedly connected on the first rotational transmitter on the first outer ring, control the first internal rotor that servomotor rotates, described the second swivel joint comprises the second outer ring being fixedly connected on the first outer ring, be fixedly connected on the second rotational transmitter on the second outer ring, the second internal rotor that controlled encoder rotates, the madial wall of described the first outer ring is provided with the first groove that power supply source line wears, the madial wall of described the second outer ring is provided with the second groove wearing for encoder line.
Preferably, described mount pad is provided with the 3rd outer ring being set on servomotor lateral wall, described the 3rd outer ring is provided with the contiguous block that the first outer ring is fixedly connected with, described contiguous block is all fixedly connected with by screw thread with the first outer ring with the 3rd outer ring respectively, the thread rotary orientation opposite direction of the thread rotary orientation of described contiguous block and the 3rd outer ring and contiguous block and the first outer ring, simple in structure, easy for installation, can guarantee the first outer ring and the 3rd synchronous installing/dismounting in outer ring by different being threaded of rotation direction, unfailing performance is good.
Preferably, the both ends of described the first outer ring are provided with power line are fixed on to the latch segment in the first groove, the both ends of described the second outer ring are provided with encoder line are fixed on to the sealing plate in the second groove, respectively power line and encoder line are fixed in the first groove and the second groove simultaneously by latch segment and sealing plate, guarantee that servomotor is in the time rotating, power line is unaffected, and Practical Performance is good.
In sum, advantage of the present invention: the signal that the second rotational transmitter on the first rotational transmitter and the second swivel joint being provided with by the first swivel joint is accepted respectively encoder and servo motor power supply line is controlled servomotor and rotated on mount pad, and by the setting of the first groove and the second groove, guarantee the normal use of servo motor power supply line, improved security performance, Practical Performance is good.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described:
Fig. 1 is the structural representation of numerically controlled machine tool of the present invention swivel joint.
The specific embodiment
As shown in Figure 1, numerically controlled machine tool swivel joint, comprise mount pad 1, with the servomotor 2 of power line 21, described servomotor 2 is provided with the encoder 3 with encoder line 31, described servomotor 2 is provided with to be controlled servomotor 2 the first swivel joint 4 and the controlled encoder 3 that are rotatably connected on mount pad 1 and is synchronously rotatably connected on the second swivel joint 5 on mount pad 1, described the second swivel joint 5 is fixedly connected on the first swivel joint 4, described the first swivel joint 4 comprises the first outer ring 41 being fixedly connected on servomotor 2, be fixedly connected on the first rotational transmitter 42 on the first outer ring 41, control the first internal rotor 43 that servomotor 2 rotates, described the second swivel joint 5 comprises the second outer ring 51 being fixedly connected on the first outer ring 41, be fixedly connected on the second rotational transmitter 52 on the second outer ring 51, the second internal rotor 53 that controlled encoder 3 rotates, the madial wall of described the first outer ring 41 is provided with the first groove 411 that power supply source line 21 wears, the madial wall of described the second outer ring 51 is provided with the second groove 511 wearing for encoder line 31, described mount pad 1 is provided with the 3rd outer ring 11 being set on servomotor 2 lateral walls, described the 3rd outer ring is provided with the contiguous block 12 that the first outer ring is fixedly connected with, described contiguous block is all fixedly connected with by screw thread with the first outer ring with the 3rd outer ring respectively, the thread rotary orientation opposite direction of the thread rotary orientation of described contiguous block and the 3rd outer ring and contiguous block and the first outer ring, simple in structure, easy for installation, can guarantee the first outer ring and the 3rd synchronous installing/dismounting in outer ring by different being threaded of rotation direction, unfailing performance is good, the both ends of described the first outer ring are provided with power line 21 are fixed on to the latch segment in the first groove, the both ends of described the second outer ring are provided with encoder line 31 are fixed on to the sealing plate in the second groove, respectively power line 21 and encoder line 31 are fixed in the first groove and the second groove simultaneously by latch segment and sealing plate, guarantee that servomotor 2 is in the time rotating, power line 21 is unaffected, Practical Performance is good.
When use, encoder 3 is arranged on servomotor 2, make on servomotor 2 with power line 21 be located in the first groove that the first swivel joint 4 is provided with, the encoder line 31 that encoder 3 is provided with is located in the second groove that the second swivel joint 5 is provided with, when use, the first rotational transmitter being provided with by the first swivel joint 4 receives the signal of servomotor 2 power lines 21, thereby drive servomotor 2 to rotate, the second rotational transmitter being provided with by the second swivel joint 5 is accepted the signal of encoder line 31, thereby drive encoder 3 to rotate, operate successively, just can well control servomotor 2.
The signal that the second rotational transmitter on the first rotational transmitter and the second swivel joint being provided with by the first swivel joint is accepted respectively encoder and servo motor power supply line is controlled servomotor and is rotated on mount pad, and by the setting of the first groove and the second groove, guarantee the normal use of servo motor power supply line, improved security performance, Practical Performance is good.
Claims (3)
1. numerically controlled machine tool swivel joint, comprise mount pad (1), with the servomotor (2) of power line (21), it is characterized in that: described servomotor (2) is provided with the encoder (3) of band encoder line (31), described servomotor (2) is provided with to be controlled servomotor (2) the first swivel joint (4) and the controlled encoder (3) that are rotatably connected on mount pad (1) and is synchronously rotatably connected on the second swivel joint (5) on mount pad (1), described the second swivel joint (5) is fixedly connected on the first swivel joint (4), described the first swivel joint (4) comprises the first outer ring (41) being fixedly connected on servomotor (2), be fixedly connected on the first rotational transmitter (42) on the first outer ring (41), control the first internal rotor (43) that servomotor (2) rotates, described the second swivel joint (5) comprises the second outer ring (51) being fixedly connected on the first outer ring (41), be fixedly connected on the second rotational transmitter (52) on the second outer ring (51), the second internal rotor (53) that controlled encoder (3) rotates, the madial wall of described the first outer ring (41) is provided with the first groove (411) that power supply source line (21) wears, the madial wall of described the second outer ring (51) is provided with the second groove (511) wearing for encoder (3) line.
2. numerically controlled machine tool swivel joint according to claim 1, it is characterized in that: described mount pad (1) is provided with the 3rd outer ring (11) being set on servomotor (2) lateral wall, described the 3rd outer ring (11) is provided with the contiguous block (12) that the first outer ring (41) is fixedly connected with, described contiguous block is all fixedly connected with by screw thread with the first outer ring with the 3rd outer ring respectively, the thread rotary orientation opposite direction of the thread rotary orientation of described contiguous block and the 3rd outer ring and contiguous block and the first outer ring.
3. numerically controlled machine tool swivel joint according to claim 1, it is characterized in that: the both ends of described the first outer ring (41) are provided with power line (21) is fixed on to the latch segment in the first groove, the both ends of described the second outer ring (51) are provided with encoder line (31) are fixed on to the sealing plate in the second groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410074599.3A CN103909438B (en) | 2014-03-03 | 2014-03-03 | Numerically controlled machine tool swivel joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410074599.3A CN103909438B (en) | 2014-03-03 | 2014-03-03 | Numerically controlled machine tool swivel joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103909438A true CN103909438A (en) | 2014-07-09 |
| CN103909438B CN103909438B (en) | 2016-03-30 |
Family
ID=51035605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410074599.3A Active CN103909438B (en) | 2014-03-03 | 2014-03-03 | Numerically controlled machine tool swivel joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103909438B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000205468A (en) * | 1999-01-19 | 2000-07-25 | Rix Corp | Sealed part lubricating structure of rotary joint |
| KR20120117156A (en) * | 2011-04-14 | 2012-10-24 | 인더스트리아 가부시키가이샤 | Ultrasonic spindle device |
| CN102886533A (en) * | 2011-07-19 | 2013-01-23 | 欧立机电株式会社 | Cutter holder and main shaft device |
| CN203254215U (en) * | 2013-02-25 | 2013-10-30 | 杭州贝克机械有限公司 | Combined type power seat in which servo gear drives plurality of main shafts to drive |
| CN203817857U (en) * | 2014-03-03 | 2014-09-10 | 湖州精圆数控设备有限公司 | Rotating joint for numerical control cutting machine tool |
-
2014
- 2014-03-03 CN CN201410074599.3A patent/CN103909438B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000205468A (en) * | 1999-01-19 | 2000-07-25 | Rix Corp | Sealed part lubricating structure of rotary joint |
| KR20120117156A (en) * | 2011-04-14 | 2012-10-24 | 인더스트리아 가부시키가이샤 | Ultrasonic spindle device |
| CN102886533A (en) * | 2011-07-19 | 2013-01-23 | 欧立机电株式会社 | Cutter holder and main shaft device |
| CN203254215U (en) * | 2013-02-25 | 2013-10-30 | 杭州贝克机械有限公司 | Combined type power seat in which servo gear drives plurality of main shafts to drive |
| CN203817857U (en) * | 2014-03-03 | 2014-09-10 | 湖州精圆数控设备有限公司 | Rotating joint for numerical control cutting machine tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103909438B (en) | 2016-03-30 |
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