CN212793509U - Robot plasma cutting device - Google Patents
Robot plasma cutting device Download PDFInfo
- Publication number
- CN212793509U CN212793509U CN202021756191.1U CN202021756191U CN212793509U CN 212793509 U CN212793509 U CN 212793509U CN 202021756191 U CN202021756191 U CN 202021756191U CN 212793509 U CN212793509 U CN 212793509U
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- ball screw
- servo motor
- plasma cutting
- arm
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Abstract
The utility model discloses a plasma cutting device of robot relates to plasma cutting technical field, for solving the ordinary robot among the prior art on height and distance, the not accurate enough problem of fineness of regulation. The lifting arm is internally provided with a first ball screw, the first ball screw is connected with the lifting arm through a bearing in a rotating mode, the telescopic arm is internally provided with a second ball screw, the second ball screw is connected with the telescopic arm through a bearing in a rotating mode, a first ball screw pair and a driven gear are respectively installed on the outer side of the first ball screw, the first ball screw pair is in threaded connection with the first ball screw, the driven gear is fixedly connected with the first ball screw, the second ball screw pair is installed on the outer side of the second ball screw, the second ball screw pair is in threaded connection with the second ball screw, one end of the telescopic arm is provided with a first rotating box, and the first rotating box is fixedly connected with the first ball screw pair.
Description
Technical Field
The utility model relates to the technical field, specifically be a robot plasma cutting device.
Background
Plasma cutting is a metal cutting technology, which is popular in the united states in the last 50 s, and is widely used since then, the principle of the technology is that a high-temperature and high-speed plasma arc is used to contact the surface of a metal workpiece to be cut, the heat of the plasma arc can rapidly melt the metal at the cut and be expelled by high-speed plasma, so that the cut is formed, and compared with other common metal thermal cutting technologies, the plasma cutting has certain advantages in the aspects of application range, cutting quality, cost control and the like, and is widely adopted.
The robot plasma cutting technology is a product combining the plasma cutting technology with a robot, and consists of a material transmission system, a robot cutting machine system, a PLC numerical control system, a dust removal system and the like, not only retains all advantages of the plasma cutting technology, but also is endowed with the working characteristics of flexibility and automation of the robot, can better adapt to different working environments and realize continuous processing, most of the robot height lifting modes and distance adjusting modes in the current market adopt pneumatic structures or hydraulic oil driving structures, so that the control precision on the distance and the height is insufficient, and cutting of some irregular shapes cannot be completed; therefore, the market is urgently needed to develop a robot plasma cutting device to help people solve the existing problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a robot plasma cutting device to solve the ordinary robot that proposes in the above-mentioned background art on height and distance, the not accurate enough problem of fineness of regulation.
In order to achieve the above object, the utility model provides a following technical scheme: a robot plasma cutting device comprises a lifting arm and a telescopic arm, wherein a first ball screw is arranged inside the lifting arm, the first ball screw is rotatably connected with the lifting arm through a bearing, a second ball screw is arranged inside the telescopic arm, the second ball screw is rotatably connected with the telescopic arm through a bearing, a first ball screw pair and a driven gear are respectively arranged outside the first ball screw, the first ball screw pair is in threaded connection with the first ball screw, the driven gear is fixedly connected with the first ball screw, a second ball screw pair is arranged outside the second ball screw, the second ball screw pair is in threaded connection with the second ball screw, a first rotating box is arranged at one end of the telescopic arm, the first rotating box is fixedly connected with the first ball screw pair, a second rotating box is arranged outside the telescopic arm, and the second rotating box is fixedly connected with the second ball screw pair.
Preferably, the internally mounted of lifing arm has second servo motor, and second servo motor and lifing arm fixed connection, the second reduction gear is installed to second servo motor's below, the second pivot is installed to the below of second reduction gear, second pivot and second servo motor all pass through shaft coupling and second reduction gear fixed connection, the outside of second pivot is installed the second electromagnetism respectively and is embraced a valve and drive gear, drive gear is connected with the driven gear interlock.
Preferably, the inside mounting of flexible arm has fourth servo motor, and fourth servo motor and flexible arm fixed connection, the fourth reduction gear is installed to one side of fourth servo motor, fourth servo motor and second ball screw all pass through shaft coupling and fourth reduction gear fixed connection, the fourth electromagnetism is installed in the outside of second ball screw and is embraced an axle valve.
Preferably, the below of lifing arm is provided with the base, first swivel mount is installed to the below of lifing arm, and first swivel mount and lifing arm fixed connection, first swivel mount passes through the bearing with the lifing arm and rotates and be connected, the gear wheel is installed in the outside of first swivel mount, and gear wheel and first swivel mount fixed connection, the internally mounted of base has first servo motor, and first servo motor and base fixed connection, first reduction gear is installed to first servo motor's below, first pivot is installed to the below of first reduction gear, first pivot and first servo motor all through shaft coupling and first reduction gear fixed connection, first electromagnetism is installed respectively in the outside of first pivot and is embraced axle valve and pinion, pinion and first pivot fixed connection, the pinion is connected with the gear wheel interlock.
Preferably, the internally mounted of first rotatory case has third servo motor, and third servo motor and first rotatory case fixed connection, the third reduction gear is installed to one side of third servo motor, the second swivel mount is installed to the one end of flexible arm, and second swivel mount and flexible arm fixed connection, the second swivel mount passes through the bearing with first rotatory case and rotates and be connected, second swivel mount and third servo motor all pass through shaft coupling and third reduction gear fixed connection, the third electromagnetism is installed in the second swivel mount's the outside and is embraced the shaft valve.
Preferably, the top of the rotatory case of second is provided with the plasma cutting head, the third swivel mount is installed to the below of plasma cutting head, and third swivel mount and plasma cutting head fixed connection, the third swivel mount passes through the bearing with the rotatory case of second and rotates and be connected, the internally mounted of the rotatory case of second has fifth servo motor, and fifth servo motor and the rotatory case fixed connection of second, fifth reduction gear is installed to fifth servo motor's top, fifth servo motor and third swivel mount all pass through shaft coupling and fifth reduction gear fixed connection, fifth electromagnetism armful shaft valve is installed in the outside of third swivel mount.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model has the advantages that through the arrangement of the first ball screw, the first ball screw pair, the second ball screw and the second ball screw pair, the first ball screw and the first ball screw pair are arranged inside the lifting arm and are used for lifting the function of the height adjustment of the plasma cutting head in the Z-axis direction, the traditional pneumatic or hydraulic lifting mechanism is replaced, because the first ball screw is provided with countless threads, the height of the first ball screw pair is adjusted through rotation, different rotation turns can obtain different heights, thereby realizing the function effect of accurate adjustment and control in height, the second ball screw and the second ball screw pair are used for adjusting the function effect of the transverse movement distance of the plasma cutting head in the X-axis direction, the function principle is the same as that of the first ball screw and the first ball screw pair, thereby the transverse movement distance of the plasma cutting head can be adjusted more accurately in the X-axis direction, therefore, the robot plasma cutting device is higher in adjusting accuracy in height and distance, the cutting work of irregular-shaped patterns can be more met, and the working efficiency of the robot plasma cutting device is improved.
2. The utility model discloses a through the setting of first rotatory case, the function of first rotatory case orders about flexible arm rotatory, make flexible arm can use the X axle rotatory as the axle center, thereby make the plasma cutting head can be rotatory with X axle direction, thereby realize that the plasma cutting head not only can linear motion in X axle direction, rotary motion also can take place simultaneously, realize the functional effect of coaxial not equidirectional simultaneous movement, thereby make this robot plasma cutting device realize the functional effect of multiaxis simultaneous working, improve this robot plasma cutting device's work efficiency greatly.
Drawings
Fig. 1 is a schematic diagram of an internal structure of a robot plasma cutting device according to the present invention;
fig. 2 is an enlarged schematic view of the utility model at a;
fig. 3 is an enlarged schematic view of the present invention at B;
fig. 4 is an enlarged schematic view of the point C in the drawing of the present invention.
In the figure: 1. a lifting arm; 2. a base; 3. a first rotary box; 4. a telescopic arm; 5. a second rotary box; 6. a plasma cutting head; 7. a first ball screw; 8. a first ball screw pair; 9. a first swivel mount; 10. a bull gear; 11. a first servo motor; 12. a first decelerator; 13. a first rotating shaft; 14. a first electromagnetic shaft holding valve; 15. a pinion gear; 16. a second servo motor; 17. a second decelerator; 18. a second rotating shaft; 19. a drive gear; 20. a second electromagnetic shaft holding valve; 21. a driven gear; 22. a third servo motor; 23. a third speed reducer; 24. a second swivel mount; 25. a third electromagnetic shaft holding valve; 26. a fourth servo motor; 27. a fourth speed reducer; 28. a second ball screw; 29. a fourth electromagnetic shaft holding valve; 30. a second ball screw pair; 31. a fifth servo motor; 32. a fifth decelerator; 33. a third swivel mount; 34. and a fifth electromagnetic shaft holding valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-4, the present invention provides an embodiment: a robot plasma cutting device comprises a lifting arm 1 and a telescopic arm 4, wherein a first ball screw 7 is arranged inside the lifting arm 1, the first ball screw 7 is rotatably connected with the lifting arm 1 through a bearing, a second ball screw 28 is arranged inside the telescopic arm 4, the second ball screw 28 is rotatably connected with the telescopic arm 4 through a bearing, a first ball screw pair 8 and a driven gear 21 are respectively arranged outside the first ball screw 7, the first ball screw pair 8 is in threaded connection with the first ball screw 7, the driven gear 21 is fixedly connected with the first ball screw 7, a second ball screw pair 30 is arranged outside the second ball screw 28, the second ball screw pair 30 is in threaded connection with the second ball screw 28, a first rotary box 3 is arranged at one end of the telescopic arm 4, the first rotary box 3 is fixedly connected with the first ball screw pair 8, a second rotary box 5 is arranged outside the telescopic arm 4, the second rotary box 5 is fixedly connected with the second ball screw pair 30.
Further, a second servo motor 16 is installed inside the lifting arm 1, the second servo motor 16 is fixedly connected with the lifting arm 1, a second speed reducer 17 is installed below the second servo motor 16, a second rotating shaft 18 is installed below the second speed reducer 17, the second rotating shaft 18 and the second servo motor 16 are both fixedly connected with the second speed reducer 17 through a coupler, a second electromagnetic shaft embracing valve 20 and a driving gear 19 are installed on the outer side of the second rotating shaft 18 respectively, the driving gear 19 is meshed with a driven gear 21 and is connected with the driven gear, a friction plate is arranged inside the second electromagnetic shaft embracing valve 20 and is attached to the second rotating shaft 18 through a spring, and after the second electromagnetic shaft embracing valve 20 is powered on, the friction plate is separated from the second rotating shaft 18, so that the function effect of immediate braking during power failure is achieved.
Further, the inside of the telescopic boom 4 is provided with a fourth servo motor 26, the fourth servo motor 26 is fixedly connected with the telescopic boom 4, one side of the fourth servo motor 26 is provided with a fourth speed reducer 27, the fourth servo motor 26 and the second ball screw 28 are both fixedly connected with the fourth speed reducer 27 through a coupler, a fourth electromagnetic axle-clasping valve 29 is installed on the outer side of the second ball screw 28, the working principle of the fourth electromagnetic axle-clasping valve 29 is the same as that of the second electromagnetic axle-clasping valve 20, and only the fourth electromagnetic axle-clasping valve 29 directly provides a braking function for the second ball screw 28.
Further, a base 2 is arranged below the lifting arm 1, a first swivel mount 9 is arranged below the lifting arm 1, the first swivel mount 9 is fixedly connected with the lifting arm 1, the first swivel mount 9 is rotatably connected with the lifting arm 1 through a bearing, a large gear 10 is arranged on the outer side of the first swivel mount 9, the large gear 10 is fixedly connected with the first swivel mount 9, a first servo motor 11 is arranged inside the base 2, the first servo motor 11 is fixedly connected with the base 2, a first speed reducer 12 is arranged below the first servo motor 11, a first rotating shaft 13 is arranged below the first speed reducer 12, the first rotating shaft 13 and the first servo motor 11 are both fixedly connected with the first speed reducer 12 through a coupler, a first electromagnetic shaft holding valve 14 and a small gear 15 are respectively arranged on the outer side of the first rotating shaft 13, the small gear 15 is fixedly connected with the first rotating shaft 13, the small gear 15 is meshed with the large gear 10, the working principle of the first electromagnetic shaft embracing valve 14 is the same as that of the second electromagnetic shaft embracing valve 20, and the gear ratio is increased by arranging the large gear 10 and the small gear 15, so that the rotation controllable precision of the large gear 10 is higher.
Further, the inside of the first rotary box 3 is provided with a third servo motor 22, the third servo motor 22 is fixedly connected with the first rotary box 3, one side of the third servo motor 22 is provided with a third speed reducer 23, one end of the telescopic arm 4 is provided with a second swivel base 24, the second swivel base 24 is fixedly connected with the telescopic arm 4, the second swivel base 24 is rotatably connected with the first rotary box 3 through a bearing, the second swivel base 24 and the third servo motor 22 are both fixedly connected with the third speed reducer 23 through a coupler, the outer side of the second swivel base 24 is provided with a third electromagnetic clasping shaft valve 25, the working principle of the third electromagnetic clasping shaft valve 25 is the same as that of the second electromagnetic clasping shaft valve 20, and the telescopic arm 4 is also rotatably connected with the first rotary box 3 through a bearing.
Further, a plasma cutting head 6 is arranged above the second rotary box 5, a third rotary seat 33 is arranged below the plasma cutting head 6, and the third rotary seat 33 is fixedly connected with the plasma cutting head 6, the third rotary seat 33 is rotatably connected with the second rotary box 5 through a bearing, a fifth servo motor 31 is arranged in the second rotary box 5, and a fifth servo motor 31 is fixedly connected with the second rotary box 5, a fifth speed reducer 32 is installed above the fifth servo motor 31, the fifth servo motor 31 and a third rotary seat 33 are both fixedly connected with the fifth speed reducer 32 through a coupler, a fifth electromagnetic shaft clasping valve 34 is installed on the outer side of the third rotary seat 33, the working principle of the fifth electromagnetic shaft clasping valve 34 is the same as that of the second electromagnetic shaft clasping valve 20, and a gasket is arranged between the second rotary box 5 and the plasma cutting head 6 to reduce the friction force between the second rotary box 5 and the plasma cutting head.
The working principle is as follows: when the robot plasma cutting device is used, the first servo motor 11 is started, the first servo motor 11 drives the first rotating shaft 13 to rotate after being decelerated by the first speed reducer 12, the first rotating shaft 13 drives the small gear 15 to rotate, the small gear 15 drives the large gear 10 to rotate, the large gear 10 drives the first rotating seat 9 to rotate, the first rotating seat 9 drives the lifting arm 1 to rotate, so that the whole robot plasma cutting device rotates by taking the Z axis as an axis, the second servo motor 16 is started, the second servo motor 16 drives the second rotating shaft 18 to rotate after being decelerated by the second speed reducer 17, the second rotating shaft 18 drives the driving gear 19 to rotate, the driving gear 19 drives the driven gear 21 to rotate, the driven gear 21 drives the first ball screw 7 to rotate, the first ball screw pair 8 can linearly move up and down through the rotation of the first ball screw 7, the first ball screw pair 8 can drive the first rotating box 3 to linearly move up and down, thereby the telescopic arm 4, the second rotary box 5 and the plasma cutting head 6 can do linear motion up and down, thereby the plasma cutting head 6 can do linear motion up and down in the Z-axis direction, the third servo motor 22 is started, the third servo motor 22 drives the second rotary seat 24 to rotate after being decelerated by the third decelerator 23, the second rotary seat 24 drives the telescopic arm 4 to rotate, thereby the telescopic arm 4 can do rotary motion with the X-axis as the axis, similarly, the telescopic arm 4 also drives the plasma cutting head 6 to do rotary motion with the X-axis as the axis by the second rotary box 5, the fourth servo motor 26 is started, the fourth servo motor 26 drives the second ball screw 28 to rotate after being decelerated by the fourth decelerator 27, the second ball screw pair 30 can do linear motion transversely in the X-axis direction by the rotation of the second ball screw 28, the second ball screw pair 30 drives the second rotary box 5 to transversely move, the second rotating box 5 drives the plasma cutting head 6, so that the plasma cutting head 6 can transversely move in the X-axis direction in a linear mode, the fifth servo motor 31 is started, the fifth servo motor 31 drives the third rotating seat 33 to rotate after being decelerated by the fifth speed reducer 32, the third rotating seat 33 drives the plasma cutting head 6 to rotate, so that the plasma cutting head 6 can rotate by taking the Y axis as the axis, and in summary, the robot can realize the functional characteristic that five axes work simultaneously, and the robot can cut various regular or irregular shapes when cutting.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a robot plasma cutting device, includes lifing arm (1) and flexible arm (4), its characterized in that: a first ball screw (7) is arranged inside the lifting arm (1), the first ball screw (7) is rotatably connected with the lifting arm (1) through a bearing, a second ball screw (28) is arranged inside the telescopic arm (4), the second ball screw (28) is rotatably connected with the telescopic arm (4) through a bearing, a first ball screw pair (8) and a driven gear (21) are respectively arranged outside the first ball screw (7), the first ball screw pair (8) is in threaded connection with the first ball screw (7), the driven gear (21) is fixedly connected with the first ball screw (7), a second ball screw pair (30) is arranged outside the second ball screw (28), the second ball screw pair (30) is in threaded connection with the second ball screw (28), a first rotary box (3) is arranged at one end of the telescopic arm (4), the first rotating box (3) is fixedly connected with the first ball screw pair (8), the second rotating box (5) is arranged on the outer side of the telescopic arm (4), and the second rotating box (5) is fixedly connected with the second ball screw pair (30).
2. A robotic plasma cutting device as claimed in claim 1, wherein: the internally mounted of lifing arm (1) has second servo motor (16), and second servo motor (16) and lifing arm (1) fixed connection, second reduction gear (17) are installed to the below of second servo motor (16), second pivot (18) are installed to the below of second reduction gear (17), second pivot (18) and second servo motor (16) all pass through shaft coupling and second reduction gear (17) fixed connection, the outside of second pivot (18) is installed the second electromagnetism respectively and is embraced an axle valve (20) and drive gear (19), drive gear (19) are connected with driven gear (21) interlock.
3. A robotic plasma cutting device as claimed in claim 1, wherein: the utility model discloses a telescopic boom, including telescopic boom (4), fourth servo motor (26) and telescopic boom (4), the internally mounted of telescopic boom (4) has fourth servo motor (26), and fourth servo motor (26) and telescopic boom (4) fixed connection, fourth reduction gear (27) are installed to one side of fourth servo motor (26), fourth servo motor (26) and second ball screw (28) all are through shaft coupling and fourth reduction gear (27) fixed connection, fourth electromagnetism is installed in the outside of second ball screw (28) and is embraced an axle valve (29).
4. A robotic plasma cutting device as claimed in claim 1, wherein: the lifting arm comprises a lifting arm (1), a base (2) is arranged below the lifting arm (1), a first rotary seat (9) is installed below the lifting arm (1), the first rotary seat (9) is fixedly connected with the lifting arm (1), the first rotary seat (9) is rotatably connected with the lifting arm (1) through a bearing, a large gear (10) is installed outside the first rotary seat (9), the large gear (10) is fixedly connected with the first rotary seat (9), a first servo motor (11) is installed inside the base (2), the first servo motor (11) is fixedly connected with the base (2), a first speed reducer (12) is installed below the first servo motor (11), a first rotating shaft (13) is installed below the first speed reducer (12), the first rotating shaft (13) and the first servo motor (11) are fixedly connected with the first speed reducer (12) through a coupler, a shaft valve (14) and pinion (15) are embraced to first electromagnetism is installed respectively in the outside of first pivot (13), pinion (15) and first pivot (13) fixed connection, pinion (15) are connected with gear wheel (10) interlock.
5. A robotic plasma cutting device as claimed in claim 1, wherein: the internally mounted of first rotatory case (3) has third servo motor (22), and third servo motor (22) and first rotatory case (3) fixed connection, third reduction gear (23) are installed to one side of third servo motor (22), second swivel mount (24) are installed to the one end of flexible arm (4), and second swivel mount (24) and flexible arm (4) fixed connection, second swivel mount (24) rotate through the bearing with first rotatory case (3) and are connected, second swivel mount (24) and third servo motor (22) are all through shaft coupling and third reduction gear (23) fixed connection, third electromagnetism armful shaft valve (25) are installed in the outside of second swivel mount (24).
6. A robotic plasma cutting device as claimed in claim 1, wherein: the top of second rotatory case (5) is provided with plasma cutting head (6), third swivel mount (33) is installed to the below of plasma cutting head (6), and third swivel mount (33) and plasma cutting head (6) fixed connection, third swivel mount (33) rotates through the bearing with second rotatory case (5) and is connected, the internally mounted of second rotatory case (5) has fifth servo motor (31), and fifth servo motor (31) and second rotatory case (5) fixed connection, fifth reduction gear (32) are installed to the top of fifth servo motor (31), fifth servo motor (31) and third swivel mount (33) all through shaft coupling and fifth reduction gear (32) fixed connection, fifth electromagnetism armful shaft valve (34) is installed in the outside of third swivel mount (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021756191.1U CN212793509U (en) | 2020-08-20 | 2020-08-20 | Robot plasma cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021756191.1U CN212793509U (en) | 2020-08-20 | 2020-08-20 | Robot plasma cutting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212793509U true CN212793509U (en) | 2021-03-26 |
Family
ID=75084499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021756191.1U Expired - Fee Related CN212793509U (en) | 2020-08-20 | 2020-08-20 | Robot plasma cutting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212793509U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114905533A (en) * | 2022-06-21 | 2022-08-16 | 安徽江河智能装备集团有限公司 | Lining-changing mechanical arm applied to narrow space work |
-
2020
- 2020-08-20 CN CN202021756191.1U patent/CN212793509U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114905533A (en) * | 2022-06-21 | 2022-08-16 | 安徽江河智能装备集团有限公司 | Lining-changing mechanical arm applied to narrow space work |
| CN114905533B (en) * | 2022-06-21 | 2024-04-16 | 安徽江河智能装备集团有限公司 | Lining changing manipulator applied to narrow space work |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210326 Termination date: 20210820 |
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| CF01 | Termination of patent right due to non-payment of annual fee |