CN212946200U - Mechanical welding arm with multiple degrees of freedom - Google Patents
Mechanical welding arm with multiple degrees of freedom Download PDFInfo
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- CN212946200U CN212946200U CN202021473841.1U CN202021473841U CN212946200U CN 212946200 U CN212946200 U CN 212946200U CN 202021473841 U CN202021473841 U CN 202021473841U CN 212946200 U CN212946200 U CN 212946200U
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- guide rail
- lead screw
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- 238000003466 welding Methods 0.000 title claims abstract description 55
- 239000007789 gas Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
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Abstract
The utility model relates to a welding arm technical field specifically is a mechanical welding arm with multiple degree of freedom, including the welding bench, the intermediate position of welding bench is equipped with the removal guide rail groove that runs through the welding bench, and the below of welding bench is equipped with supports and removes the subassembly, removes the guide rail inslot and is equipped with rotary mechanism, installs arm assembly on the rotary mechanism, supports to remove the subassembly and includes second removal guide rail mechanism and install the first removal guide rail mechanism on second removal guide rail mechanism. The utility model discloses a setting of first removal guide rail mechanism and second removal guide rail mechanism can realize that the welding arm removes at the plane position of certain space within range, and the article of convenient to different positions welds, through the setting of rotary mechanism and two arms of relative pivoted, can realize welding arm free rotation in three mutually perpendicular's plane to can realize welding the position of the different angles of article, it is very convenient.
Description
Technical Field
The utility model relates to a welding arm technical field specifically is a mechanical welding arm with multiple degree of freedom.
Background
Welding arm is a comparatively common equipment in the workshop, and current welding arm is either that the diaxon rotates or just the triaxial rotates, and the home range is generally less. In view of this, we propose a mechanical welding arm with multiple degrees of freedom.
SUMMERY OF THE UTILITY MODEL
In order to make up for the above insufficiency, the utility model provides a mechanical welding arm with multiple degree of freedom.
The technical scheme of the utility model is that:
a mechanical welding arm with multiple degrees of freedom comprises a welding table, wherein a movable guide rail groove penetrating through the welding table is arranged in the middle of the welding table, a supporting and moving assembly is arranged below the welding table, a rotating mechanism is arranged in the movable guide rail groove, a mechanical arm assembly is mounted on the rotating mechanism, the supporting and moving assembly comprises a second movable guide rail mechanism and a first movable guide rail mechanism mounted on the second movable guide rail mechanism, the second movable guide rail mechanism comprises a front supporting bottom plate and a rear supporting bottom plate which are fixed on the welding table, two parallel second lead screws are connected between the two supporting bottom plates, the tail end of each second lead screw is connected with a second motor fixed on the supporting bottom plate, a second lead screw nut in threaded fit with each second lead screw is sleeved on each second lead screw, the first movable guide rail mechanism comprises two parallel strip-shaped bottom plates, two bar-shaped bottom plates are respectively fixed on two second lead screw nuts, side fixing blocks are fixed at two ends of each bar-shaped bottom plate, a first lead screw is connected between the two side fixing blocks, the tail end of each first lead screw is connected with a first motor fixed on the side fixing blocks, and a first lead screw nut in threaded fit with the first lead screw is sleeved on the first lead screw.
As a preferable technical scheme, one end of the second screw rod is welded and fixed with an output shaft of the second motor, and the other end of the second screw rod is rotatably connected to the supporting bottom plate through a bearing.
As a preferable technical scheme, one end of the first screw rod is welded and fixed with an output shaft of the first motor, and the other end of the first screw rod is rotatably connected to the side fixing block through a bearing.
As an optimized technical scheme, the rotating mechanism comprises an annular supporting seat fixed between two first screw rod nuts, a rotating supporting plate is rotatably arranged in the annular supporting seat, a motor fixing plate is further installed on the annular supporting seat, a third motor is installed on the motor fixing plate, and an output shaft of the third motor is fixedly welded with the rotating supporting plate.
As the preferred technical scheme, the inner wall of the annular supporting seat is inwards provided with an annular limiting groove, the periphery of the rotary supporting plate is provided with a limiting convex ring embedded in the annular limiting groove, and a plurality of balls used for reducing friction force are arranged between the limiting convex ring and the annular limiting groove.
According to a preferable technical scheme, the mechanical arm assembly comprises a first mechanical arm and a second mechanical arm, a fourth motor is installed at the top end of the second mechanical arm, an output shaft of the fourth motor penetrates through the second mechanical arm and is welded and fixed with the first mechanical arm, a mechanical arm supporting plate fixed on the rotary supporting plate is arranged on one side of the bottom end of the second mechanical arm, a fifth motor is installed on the mechanical arm supporting plate, and an output shaft of the fifth motor penetrates through the mechanical arm supporting plate and is welded and fixed with the second mechanical arm.
Preferably, the bottom end of the second mechanical arm is not in contact with the rotating support plate, and the tail end of the first mechanical arm is provided with a welding head.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a setting of first removal guide rail mechanism and second removal guide rail mechanism can realize that the welding arm removes at the plane position of certain space within range, and the article of convenient to different positions welds, through the setting of rotary mechanism and two arms of relative pivoted, can realize welding arm free rotation in three mutually perpendicular's plane to can realize welding the position of the different angles of article, it is very convenient.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the support moving assembly and the robot assembly according to the present invention;
fig. 3 is a cross-sectional view of the rotating mechanism of the present invention;
fig. 4 is an enlarged schematic view of a structure shown in fig. 3 according to the present invention.
In the figure:
a welding table 1;
supporting the moving assembly 2;
the first moving guide rail mechanism 21, the strip-shaped bottom plate 210, the side fixing block 211, the first motor 212, the first lead screw 213 and the first lead screw nut 214;
a second moving guide rail mechanism 22, a support base plate 220, a second motor 221, a second lead screw 222, and a second lead screw nut 223;
the device comprises a rotating mechanism 3, an annular supporting seat 30, a rotating supporting plate 31, a motor fixing plate 32, a third motor 33, an annular limiting groove 34, a limiting convex ring 35 and balls 36;
the robot arm assembly 4, the first robot arm 40, the second robot arm 41, the fourth motor 42, the fifth motor 43, the robot arm support plate 44;
the guide rail groove 5 is moved.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1-4, the present invention provides a technical solution:
a mechanical welding arm with multiple degrees of freedom comprises a welding table 1, a movable guide rail groove 5 penetrating through the welding table 1 is arranged in the middle of the welding table 1, a supporting movable assembly 2 is arranged below the welding table 1, a rotating mechanism 3 is arranged in the movable guide rail groove 5, a mechanical arm assembly 4 is mounted on the rotating mechanism 3, the supporting movable assembly 2 comprises a second movable guide rail mechanism 22 and a first movable guide rail mechanism 21 mounted on the second movable guide rail mechanism 22, the second movable guide rail mechanism 22 comprises a front supporting bottom plate 220 and a rear supporting bottom plate 220 fixed on the welding table 1, two parallel second lead screws 222 are connected between the two supporting bottom plates 220, the tail end of each second lead screw 222 is connected with a second motor 221 fixed on the supporting bottom plate 220, each second lead screw 222 is sleeved with a second lead screw nut 223 in threaded fit with the second lead screw, the first movable guide rail mechanism 21 comprises two strip-shaped bottom plates 210 which are parallel to each other, the two strip-shaped bottom plates 210 are respectively fixed on the two second lead screw nuts 223, the two ends of each strip-shaped bottom plate 210 are respectively fixed with a side fixing block 211, a first lead screw 213 is connected between the two side fixing blocks 211, the tail end of each first lead screw 213 is connected with a first motor 212 fixed on the side fixing block 211, and the first lead screw 213 is sleeved with a first lead screw nut 214 in threaded fit with the first lead screw.
Preferably, one end of the second lead screw 222 is welded to the output shaft of the second motor 221, and the other end is rotatably connected to the support base plate 220 through a bearing.
Preferably, one end of the first screw 213 is welded to the output shaft of the first motor 212, and the other end is rotatably coupled to the side fixing block 211 through a bearing.
Preferably, the rotating mechanism 3 includes an annular supporting seat 30 fixed between the two first lead screw nuts 214, a rotating supporting plate 31 is rotatably disposed inside the annular supporting seat 30, a motor fixing plate 32 is further mounted on the annular supporting seat 30, a third motor 33 is mounted on the motor fixing plate 32, and an output shaft of the third motor 33 is welded and fixed to the rotating supporting plate 31.
Preferably, the inner wall of the annular supporting seat 30 is inwardly provided with an annular limiting groove 34, the periphery of the rotating supporting plate 31 is provided with a limiting convex ring 35 embedded in the annular limiting groove 34, and a plurality of balls 36 for reducing friction force are arranged between the limiting convex ring 35 and the annular limiting groove 34.
In the specific use, inlay through spacing bulge loop 35 and locate annular spacing groove 34 inside, can realize spacing between rotatory support plate 31 and the annular supporting seat 30, avoid rotatory support plate 31 to break away from annular supporting seat 30, and annular supporting seat 30 plays the supporting role to rotatory support plate 31, thereby play the support of the arm component 4 of rotatory support plate 31 top, and ball 36 set up then can effectively reduce the frictional force between rotatory support plate 31 and the annular supporting seat 30, guarantee the normal rotation of rotatory support plate 31.
Preferably, the robot arm assembly 4 includes a first robot arm 40 and a second robot arm 41, a fourth motor 42 is mounted at a top end of the second robot arm 41, an output shaft of the fourth motor 42 penetrates the second robot arm 41 and is welded to the first robot arm 40, a robot arm support plate 44 fixed to the rotation support plate 31 is provided at a bottom end side of the second robot arm 41, a fifth motor 43 is mounted on the robot arm support plate 44, and an output shaft of the fifth motor 43 penetrates the robot arm support plate 44 and is welded to the second robot arm 41.
Preferably, the bottom end of the second robot arm 41 is not in contact with the rotary support plate 31, and the tip end of the first robot arm 40 is provided with a welding head.
It should be added that the welding head at the end of the first mechanical arm 40 is connected with a gas pipe connected with an external gas transmission device (not shown in the figure), and since the present invention is not an improvement made for the gas transmission device, the gas transmission device can be any one of the gas transmission devices on the market and matched with the body type of the present invention, such as an oxygen tank, which is not illustrated and not explained herein, it is obvious to those skilled in the art.
It should be noted that the two first motors 212 are connected to the same power source through the same wire and connected in series therebetween, so that the start and stop switches can simultaneously start and stop the two first motors 212, and the two second motors 221 are connected to the same power source through the same wire and connected in series therebetween, so that the start and stop switches can simultaneously start and stop the two second motors 221.
In addition, the first motor 212, the second motor 221, the third motor 33, the fourth motor 42, and the fifth motor 43 all adopt three-phase asynchronous motors capable of rotating in forward and reverse directions, and the motors of this type belong to existing equipment with mature technology.
It should be added that the size of the annular support seat 30 is smaller than the width of the moving guide rail groove 5, and the annular support seat 30 and the welding table 1 are not contacted, so as to avoid affecting the normal movement thereof.
When the mechanical welding arm with multiple degrees of freedom of the utility model is used, the first motor 212 is started to drive the first lead screw 213 to rotate, thereby driving the first lead screw nut 214 to do linear motion, thereby driving the rotary mechanism 3 fixed on the mechanical welding arm to move, the second motor 221 is started to drive the second lead screw 222 to rotate, thereby driving the second lead screw nut 223 to do linear motion, thereby driving the first movable guide rail mechanism 21 fixed on the mechanical welding arm to move, the planar position of the mechanical arm component 4 in a certain space range can be realized by the above method, articles at different positions can be conveniently welded, the third motor 33 is started to drive the rotary support plate 31 to rotate, thereby driving the mechanical arm support plate 44 fixed on the mechanical welding arm to rotate, further driving the mechanical arm component 4 to rotate, the fourth motor 42 and the fifth motor 43 are started, the first mechanical arm 40 and the second mechanical arm 41 can be respectively driven to rotate, can realize arm subassembly 4 free rotation in three mutually perpendicular's plane through above-mentioned mode to can realize welding the position of the different angles of article, it is very convenient.
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.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a mechanical welding arm with multiple degree of freedom, includes welding bench (1), and the intermediate position of welding bench (1) is equipped with movable guide rail groove (5) that run through welding bench (1), the below of welding bench (1) is equipped with supports removal subassembly (2), be equipped with rotary mechanism (3) in movable guide rail groove (5), install mechanical arm subassembly (4), its characterized in that on rotary mechanism (3): the supporting and moving assembly (2) comprises a second moving guide rail mechanism (22) and a first moving guide rail mechanism (21) arranged on the second moving guide rail mechanism (22), the second moving guide rail mechanism (22) comprises a front supporting base plate and a rear supporting base plate (220) which are fixed on the welding table (1), two second lead screws (222) which are parallel to each other are connected between the two supporting base plates (220), the tail end of each second lead screw (222) is connected with a second motor (221) which is fixed on the supporting base plate (220), each second lead screw (222) is sleeved with a second lead screw nut (223) which is in threaded fit with the second lead screw nut, the first moving guide rail mechanism (21) comprises two strip-shaped base plates (210) which are parallel to each other, the two strip-shaped base plates (210) are respectively fixed on the two second lead screw nuts (223), and side fixing blocks (211) are fixed at two ends of each strip-shaped base plate (, first lead screw (213) are connected between the two side fixing blocks (211), the tail end of each first lead screw (213) is connected with a first motor (212) fixed on the side fixing block (211), and a first lead screw nut (214) in threaded fit with the first lead screw (213) is sleeved on the first lead screw.
2. The mechanical welding arm with multiple degrees of freedom of claim 1, wherein: one end of the second screw rod (222) is welded and fixed with an output shaft of the second motor (221), and the other end of the second screw rod is rotatably connected to the supporting base plate (220) through a bearing.
3. The mechanical welding arm with multiple degrees of freedom of claim 1, wherein: one end of the first screw rod (213) is welded and fixed with an output shaft of the first motor (212), and the other end of the first screw rod is rotatably connected to the side fixing block (211) through a bearing.
4. The mechanical welding arm with multiple degrees of freedom of claim 1, wherein: rotary mechanism (3) are including fixing annular supporting seat (30) between two first screw-nut (214), the inside rotatable rotatory backup pad (31) that is equipped with of annular supporting seat (30), still install motor fixed plate (32) on annular supporting seat (30), install third motor (33) on motor fixed plate (32), welded fastening between the output shaft of third motor (33) and backup pad (31).
5. The mechanical welding arm with multiple degrees of freedom of claim 4, wherein: annular spacing groove (34) have inwards been seted up to the inner wall of annular supporting seat (30), and the periphery of rotatory backup pad (31) is installed and is inlayed spacing bulge loop (35) of locating annular spacing inslot (34) inside, and is equipped with a plurality of balls (36) that are used for reducing frictional force between spacing bulge loop (35) and annular spacing groove (34).
6. The mechanical welding arm with multiple degrees of freedom of claim 1, wherein: the mechanical arm assembly (4) comprises a first mechanical arm (40) and a second mechanical arm (41), a fourth motor (42) is installed at the top end of the second mechanical arm (41), an output shaft of the fourth motor (42) penetrates through the second mechanical arm (41) and is welded and fixed with the first mechanical arm (40), a mechanical arm supporting plate (44) fixed on the rotary supporting plate (31) is arranged on one side of the bottom end of the second mechanical arm (41), a fifth motor (43) is installed on the mechanical arm supporting plate (44), and an output shaft of the fifth motor (43) penetrates through the mechanical arm supporting plate (44) and is welded and fixed with the second mechanical arm (41).
7. The mechanical welding arm with multiple degrees of freedom of claim 6, wherein: the bottom end of the second mechanical arm (41) is not contacted with the rotary supporting plate (31), and the tail end of the first mechanical arm (40) is provided with a welding head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021473841.1U CN212946200U (en) | 2020-07-23 | 2020-07-23 | Mechanical welding arm with multiple degrees of freedom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021473841.1U CN212946200U (en) | 2020-07-23 | 2020-07-23 | Mechanical welding arm with multiple degrees of freedom |
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| Publication Number | Publication Date |
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| CN212946200U true CN212946200U (en) | 2021-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021473841.1U Active CN212946200U (en) | 2020-07-23 | 2020-07-23 | Mechanical welding arm with multiple degrees of freedom |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114406556A (en) * | 2022-01-14 | 2022-04-29 | 武汉霍尼特机器人科技有限公司 | Robot welding platform applied to automobile white car welding production line |
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2020
- 2020-07-23 CN CN202021473841.1U patent/CN212946200U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114406556A (en) * | 2022-01-14 | 2022-04-29 | 武汉霍尼特机器人科技有限公司 | Robot welding platform applied to automobile white car welding production line |
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Effective date of registration: 20231123 Address after: No. 3 Xingwang Road, Helan Industrial Park, Yinchuan City, Ningxia Hui Autonomous Region, 750200 Patentee after: XUZHOU MIDDLINGS (NINGXIA) STEEL STRUCTURE CONSTRUCTION CO.,LTD. Address before: 712000 Xianyang province Shaanxi City Weicheng District Wenhui Road No. 12 Patentee before: SHAANXI POLYTECHNIC INSTITUTE |