CN110757048A - Be used for automobile parts welded robotic arm - Google Patents
Be used for automobile parts welded robotic arm Download PDFInfo
- Publication number
- CN110757048A CN110757048A CN201911154856.3A CN201911154856A CN110757048A CN 110757048 A CN110757048 A CN 110757048A CN 201911154856 A CN201911154856 A CN 201911154856A CN 110757048 A CN110757048 A CN 110757048A
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- Prior art keywords
- welding
- connecting rod
- ring
- dwang
- automobile parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0252—Steering means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0247—Driving means
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention relates to the technical field of automobile part welding equipment, in particular to a robot arm for welding automobile parts. The invention has the beneficial effects that: welding equipment's welder is installed in the centre gripping inslot of holding frame, the connecting rod is rotated by outside servo motor drive, in the time of the pivoted, solid fixed ring follows the rotation, make arc piece and gyro wheel contact, the gyro wheel constitutes the cam structure with the arc piece, and then move on the arc piece through the gyro wheel, make welder can just rotate along dwang and connecting rod pin joint department in the pivoted, and then make welder can move along an arc motion orbit, thereby weld automobile parts's arcwall face or arc welding seam, welding equipment's cost has been reduced to a certain extent at least, simple structure simultaneously.
Description
Technical Field
The invention relates to the technical field of automobile part welding equipment, in particular to a robot arm for welding automobile parts.
Background
Welding, also known as fusion, welding, is a manufacturing process and technique for joining metals or other thermoplastic materials, such as plastics, in a heated, high temperature or high pressure manner. Welding accomplishes the purpose of joining by three ways:
and (3) fusion welding: heating the workpiece to be jointed to partially melt the workpiece to form a molten pool, cooling and solidifying the molten pool to joint the workpiece, and adding a melting filler as necessary, so that the welding device is suitable for welding various metals and alloys without pressure;
pressure welding: pressure must be applied to the welding part in the welding process, and the method belongs to the processing of various metal materials and partial metal materials;
brazing: the method is characterized in that a metal material with a melting point lower than that of a base metal is used as a brazing filler metal, the base metal is wetted by the liquid brazing filler metal, a joint gap is filled, and the liquid brazing filler metal and the base metal are mutually diffused to realize a link weldment. The welding device is suitable for welding processing of various materials and also suitable for welding processing of different metals or heterogeneous materials;
the energy sources for modern welding are many, including gas flame, electric arc, laser, electron beam, friction, and ultrasonic, among others. In addition to use in a factory, welding can be performed in a variety of environments, such as the field, underwater, and space. Wherever welding can be dangerous for the operator, appropriate precautions must be taken while welding is being performed. The possible injuries to human body caused by welding include burn, electric shock, visual impairment, toxic gas inhalation, over-irradiation of ultraviolet rays, etc.
Automobile parts are when the welding, and welder need weld along an pitch arc, and then welds arc face or arc welding seam on the automobile parts, and current welding equipment mainly controls welder's removal and rotation through some electrical control element, makes welder along the motion of pitch arc, though this kind of mode makes welder's movement track precision higher, but under the not high condition of some welding precision requirements, uses this kind of mode to make the cost rise.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides a robot arm for welding automobile parts, which can reduce the cost of welding equipment to at least a certain extent.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
a robot arm for welding automobile parts comprises a connecting seat, wherein a connecting rod is coaxially and rotatably connected to the connecting seat, a rotating rod is pivoted at one end, away from the connecting seat, of the connecting rod, a clamping frame is arranged at one end of the rotating rod in the length direction, a clamping groove in the form of a through hole is formed in the clamping frame, a hinge rod is pivoted at the other end of the rotating rod, a sliding ring is arranged on the connecting rod in a sliding matching manner, one end, away from the rotating rod, of the hinge rod is pivoted with the sliding ring, the sliding ring is driven by a resetting device to move towards the direction away from the rotating rod, a fixing ring which is sleeved on the connecting rod in a sliding matching manner is coaxially arranged at the side, away from the rotating rod, of the fixing ring is provided with an arc-shaped block extending towards the connecting seat, an, the roller rolls on the surface of the arc-shaped block and drives the sliding ring to move towards the rotating rod.
Furthermore, a plurality of screw holes are arranged on the connecting seat.
Further, resetting means is including cup jointing the spacing ring on the connecting rod, the spacing ring is located between slip ring, the dwang, still the cover is equipped with the spring on the connecting rod, spacing ring, slip ring are supported respectively at spring elasticity direction both ends.
Further, the limiting ring is sleeved on the connecting rod in a threaded manner.
Furthermore, the clamping frame is provided with a protruding part extending towards the outer side of the clamping frame, and the protruding part is provided with a notch communicated with the clamping groove.
The invention has the beneficial effects that: welding equipment's welder is installed in the centre gripping inslot of holding frame, the connecting rod is rotated by outside servo motor drive, in the time of the pivoted, solid fixed ring follows the rotation, make arc piece and gyro wheel contact, the gyro wheel constitutes the cam structure with the arc piece, and then move on the arc piece through the gyro wheel, make welder can just rotate along dwang and connecting rod pin joint department in the pivoted, and then make welder can move along an arc motion orbit, thereby weld automobile parts's arcwall face or arc welding seam, welding equipment's cost has been reduced to a certain extent at least, simple structure simultaneously.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic perspective view of a robot arm for welding automobile parts according to the present invention;
FIG. 2 is a schematic bottom view of the three-dimensional structure of FIG. 1;
the reference numerals are explained below:
1-connecting seat, 2-mounting rod, 3-connecting rod, 4-arc block, 5-roller, 6-fixing ring, 7-sliding ring, 8-spring, 9-hinge rod, 10-limiting ring, 11-rotating rod, 12-clamping frame, 13-bulge, 14-notch and 15-clamping groove.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-2, a robot arm for welding automobile parts comprises a connecting seat 1, wherein a plurality of screw holes are formed in the connecting seat 1, the connecting seat 1 is connected to an external welding device by passing external bolts/screws through the screw holes, a connecting rod 3 is coaxially and rotatably connected to the connecting seat 1, the connecting rod 3 is driven by an external servo motor to rotate, a rotating rod 11 is pivotally connected to one end of the connecting rod 3 away from the connecting seat 1, a clamping frame 12 is arranged at one end of the rotating rod 11 in the length direction, a clamping groove 15 in the form of a through hole is formed in the clamping frame 12, a protruding portion 13 extending to the outer side of the clamping frame 12 is arranged on the clamping frame 12, a notch 14 communicating with the clamping groove 15 is formed in the protruding portion 13, a welding gun on the welding device is clamped in the clamping groove 15, and the two portions of the protruding portion 13 separated by the notch, through the connection of screw, make 15 inner walls of centre gripping groove press from both sides tight welder, the pin joint of the dwang 11 other end has hinge rod 9, the supporting slip ring 7 that is equipped with is gone up to slide on connecting rod 3, hinge rod 9 is kept away from dwang 11 one end and is pin-jointed with slip ring 7, slip ring 7 is driven its orientation by resetting means and is kept away from dwang 11 and remove, resetting means is including cup jointing spacing ring 10 on connecting rod 3, spacing ring 10 is located between slip ring 7, dwang 11, still the cover is equipped with spring 8 on connecting rod 3, spacing ring 10, slip ring 7 are supported respectively at spring 8 elasticity direction both ends, furtherly, spacing ring 10 thread bush is on connecting rod 3, through the screw thread bush for spacing ring 10 can be adjusted with dwang 11's interval, thereby adjustment spring 8 is to the supporting power of slip ring 7, the rotating rod 11 is kept away from to the sliding ring 7 and the one side is coaxial to be equipped with the solid fixed ring 6 of sliding fit suit on connecting rod 3, gu fixed ring 6 simultaneously is equipped with the arc piece 4 that extends to connecting seat 1 towards connecting seat 1, be equipped with installation pole 2 on the connecting seat 1, installation pole 2 is kept away from 1 one end of connecting seat and is rotated and be connected with gyro wheel 5, gyro wheel 5 global offsets with 4 surfaces of arc piece, gyro wheel 5 rolls and drives the sliding ring 7 and remove towards 11 directions of rotating rod on 4 surfaces of arc piece.
When the invention is used: outside servo motor rotates the drive connecting rod and rotates, when the connecting rod pivoted, solid fixed ring follows the rotation, and the global rolling contact of arc piece and gyro wheel, the gyro wheel constitutes the cam structure with the arc piece, make the gyro wheel promote the slip ring and remove towards keeping away from the connecting seat direction, make the hinge lever promote the dwang along rotating with connecting rod pin joint department, and then make welder rotate along connecting rod and dwang pin joint department in step when rotating, thereby make welder's movement track be an pitch arc, and then weld automobile parts's arcwall face or arc welding seam.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments 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 utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. The utility model provides a be used for automobile parts welded robot arm, a serial communication port, including connecting seat (1), coaxial rotation is connected with connecting rod (3) on connecting seat (1), connecting rod (3) are kept away from connecting seat (1) one end pin joint and are had dwang (11), dwang (11) length direction one end is equipped with holding frame (12), be equipped with centre gripping groove (15) of through-hole form on holding frame (12), dwang (11) other end pin joint has hinge rod (9), it is equipped with slip ring (7) to go up the slip fit in connecting rod (3), hinge rod (9) are kept away from dwang (11) one end and are pin joint with slip ring (7), slip ring (7) are kept away from dwang (11) direction by resetting means drive it and are removed, slip ring (7) keep away from dwang (11) one side and are coaxial be equipped with slip fit solid fixed ring (6) of suit on, solid fixed ring (6) are equipped with arc piece (4) that extend to connecting seat (1) towards connecting seat (1) one side, be equipped with installation pole (2) on connecting seat (1), installation pole (2) are kept away from connecting seat (1) one end and are rotated and be connected with gyro wheel (5), gyro wheel (5) global offsets with arc piece (4) surface, gyro wheel (5) roll and drive slip ring (7) move towards dwang (11) direction on arc piece (4) surface.
2. The robot arm for welding automobile parts as claimed in claim 1, wherein the connecting base (1) is provided with a plurality of screw holes.
3. The robot arm for welding the automobile parts according to claim 1, wherein the reset device comprises a limiting ring (10) sleeved on the connecting rod (3), the limiting ring (10) is positioned between the sliding ring (7) and the rotating rod (11), the connecting rod (3) is further sleeved with a spring (8), and two ends of the spring (8) in the elastic force direction respectively abut against the limiting ring (10) and the sliding ring (7).
4. A robot arm for welding automobile parts according to claim 3, characterized in that the limiting ring (10) is threaded on the connecting rod (3).
5. A robot arm for welding automobile parts according to claim 1, characterized in that the holding frame (12) is provided with a projection (13) extending to the outside thereof, and the projection (13) is provided with a notch (14) communicating with the holding groove (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911154856.3A CN110757048B (en) | 2019-11-22 | 2019-11-22 | Be used for automobile parts welded robotic arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911154856.3A CN110757048B (en) | 2019-11-22 | 2019-11-22 | Be used for automobile parts welded robotic arm |
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| Publication Number | Publication Date |
|---|---|
| CN110757048A true CN110757048A (en) | 2020-02-07 |
| CN110757048B CN110757048B (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911154856.3A Active CN110757048B (en) | 2019-11-22 | 2019-11-22 | Be used for automobile parts welded robotic arm |
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| Country | Link |
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| CN (1) | CN110757048B (en) |
Citations (10)
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|---|---|---|---|---|
| US4219723A (en) * | 1977-09-10 | 1980-08-26 | Honda Giken Kogyo Kabushiki Kaisha | Automatic welding machine with three-dimensional cam driven motion |
| CN202330461U (en) * | 2011-11-23 | 2012-07-11 | 成都航天万欣科技有限公司 | Vehicle-mounted antenna swing rotating device |
| CN205415628U (en) * | 2016-03-20 | 2016-08-03 | 张艳艳 | Lathe material loading gripper |
| CN206484174U (en) * | 2017-01-25 | 2017-09-12 | 东莞市金午宏业机械设备有限公司 | Automatic intersecting line welding |
| US9840005B1 (en) * | 2014-08-13 | 2017-12-12 | Google Inc. | Cam-driven differential joint |
| CN206955192U (en) * | 2017-06-30 | 2018-02-02 | 泰州创源机床有限公司 | Rotary oscillation material fetching mechanism |
| CN108818613A (en) * | 2018-07-02 | 2018-11-16 | 黄仕 | 360 degree of movable mechanical arms of robot |
| CN109015673A (en) * | 2018-07-27 | 2018-12-18 | 江苏省中跃涂装设备有限公司 | A kind of spray robot device |
| CN109737278A (en) * | 2019-03-12 | 2019-05-10 | 江苏航运职业技术学院 | A kind of rotatable computer teaching display screen with shade function |
| CN109732616A (en) * | 2018-12-24 | 2019-05-10 | 广西大学 | A kind of controllable parasitic mechanisms formula spray robot of multiple degrees of freedom |
-
2019
- 2019-11-22 CN CN201911154856.3A patent/CN110757048B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4219723A (en) * | 1977-09-10 | 1980-08-26 | Honda Giken Kogyo Kabushiki Kaisha | Automatic welding machine with three-dimensional cam driven motion |
| CN202330461U (en) * | 2011-11-23 | 2012-07-11 | 成都航天万欣科技有限公司 | Vehicle-mounted antenna swing rotating device |
| US9840005B1 (en) * | 2014-08-13 | 2017-12-12 | Google Inc. | Cam-driven differential joint |
| CN205415628U (en) * | 2016-03-20 | 2016-08-03 | 张艳艳 | Lathe material loading gripper |
| CN206484174U (en) * | 2017-01-25 | 2017-09-12 | 东莞市金午宏业机械设备有限公司 | Automatic intersecting line welding |
| CN206955192U (en) * | 2017-06-30 | 2018-02-02 | 泰州创源机床有限公司 | Rotary oscillation material fetching mechanism |
| CN108818613A (en) * | 2018-07-02 | 2018-11-16 | 黄仕 | 360 degree of movable mechanical arms of robot |
| CN109015673A (en) * | 2018-07-27 | 2018-12-18 | 江苏省中跃涂装设备有限公司 | A kind of spray robot device |
| CN109732616A (en) * | 2018-12-24 | 2019-05-10 | 广西大学 | A kind of controllable parasitic mechanisms formula spray robot of multiple degrees of freedom |
| CN109737278A (en) * | 2019-03-12 | 2019-05-10 | 江苏航运职业技术学院 | A kind of rotatable computer teaching display screen with shade function |
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| Publication number | Publication date |
|---|---|
| CN110757048B (en) | 2021-03-23 |
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