CN213560830U - Positioner for robot welding system - Google Patents

Positioner for robot welding system Download PDF

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Publication number
CN213560830U
CN213560830U CN202022370760.5U CN202022370760U CN213560830U CN 213560830 U CN213560830 U CN 213560830U CN 202022370760 U CN202022370760 U CN 202022370760U CN 213560830 U CN213560830 U CN 213560830U
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China
Prior art keywords
unit
swing arm
rotary
overturning
positioner
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CN202022370760.5U
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Chinese (zh)
Inventor
赵祥启
赵祥来
邸广铎
豆立伟
王福顺
王文明
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Tangshan Hexiang Intelligent Technology Co Ltd
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Tangshan Hexiang Intelligent Technology Co Ltd
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Abstract

一种机器人焊接系统用变位机,机架位于底座上面一端,翻转单元设在机架上,摆臂单元为L型结构,竖直段与翻转单元连接,水平段悬空,自由端与回转单元连接;工装卡具安装在回转单元上;底座、机架、翻转单元、摆臂单元和回转单元分别为模块化的独立机构,通过连接件组合在一起;底座的上表面有多组定位块,机架的底面设置于定位块相对应的凹槽,二者相互匹配。本新型通过双轴传动实现工件多维度连续性的精准转动,适合平板类工件的批量焊接和连续性的自动焊接,省时省钱省人工,系统的各部分单元通过模块化单体进行连接组配,根据不同生产需求选择不同规格的模块化单体,实现不同工件的焊接要求适用面广。

Figure 202022370760

A positioner for a robot welding system, the frame is located at one end of the base, the turning unit is arranged on the frame, the swing arm unit is an L-shaped structure, the vertical section is connected with the turning unit, the horizontal section is suspended, and the free end is connected with the rotating unit connection; the tooling fixture is installed on the rotary unit; the base, the frame, the turning unit, the swing arm unit and the rotary unit are modular independent mechanisms, which are combined together by connecting pieces; there are multiple sets of positioning blocks on the upper surface of the base, The bottom surface of the frame is arranged in the corresponding groove of the positioning block, and the two are matched with each other. The new model realizes the multi-dimensional and continuous precise rotation of the workpiece through dual-axis transmission, and is suitable for batch welding and continuous automatic welding of flat workpieces, saving time, money and labor. According to different production requirements, modular monomers of different specifications are selected to realize the welding requirements of different workpieces and have a wide range of applications.

Figure 202022370760

Description

Positioner for robot welding system
Technical Field
The utility model belongs to the technical field of the welding equipment and specifically relates to a be applicable to plate work piece welded machine for welding system of robot in batches machine of shifting.
Background
In the production process, a plurality of flat plate type workpieces are manually assembled and welded in the initial welding stage, and when the workpieces are welded in batches, the welding quantity of the workpieces is large, the welding time is long, and the quality of welding seams is unstable. Such as the main hoisting frame, is mainly installed at both sides of the winding drum and serves to support the winding drum. The majority of the existing main winch frames are assembled by manual work and then welded, the defects of long welding time, low efficiency, unstable welding seam quality and the like generally exist in manual welding, and the main winch frames are not suitable for batch production of workpieces generally.
At present, with continuous innovation of a robot automation technology, robot welding becomes a medium-current grinding column in welding equipment, and the robot welding is suitable for large-batch welding operation and saves time and labor. In the whole welding system, in order to adapt to the requirements of various different workpiece welding processes and the change of different welding angles, besides the welding robot adopts multi-axis rotation, a positioner capable of realizing multi-dimensional change is also arranged. The machine of shifting that commonly uses simple structure sets up to the unipolar for degree of automation is low, and it is inflexible to shift, and then influences welding efficiency, can only realize the rotation of individual appointed dimension, can not satisfy the demand that the diversified dimension of work piece changes.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a to the technical defect who proposes in the background art, provide one kind and realize that multidimension degree rotates, the automatic welded robot welding system of continuity through the biax transmission.
The utility model adopts the technical proposal that: a robot welding system positioner comprises a base, a rack, a turnover unit, a swing arm unit and a rotary unit;
the frame is positioned at one end of the upper surface of the base, the overturning unit is arranged on the frame, the swing arm unit is of an L-shaped structure, the vertical section of the swing arm unit is connected with the overturning unit, the horizontal section of the swing arm unit is suspended, and the free end of the swing arm unit is connected with the rotating unit; the swing arm unit drives the rotary unit to rotate along with the overturning unit; the tooling fixture is arranged on the rotary unit;
the base, the rack, the overturning unit, the swing arm unit and the rotating unit are respectively modularized independent mechanisms and are combined together through connecting pieces;
the upper surface of base is provided with the multiunit locating piece, the bottom surface of frame sets up in the corresponding recess of locating piece, and the two matches each other, realizes the multiple spot location.
The overturning unit, the swing arm unit and the rotary unit comprise a plurality of scale module monomers, and the specifications of the modules matched with each other are adjusted according to production requirements.
The overturning unit comprises an overturning box body, an overturning driving mechanism and an overturning unit flange assembly; the overturning driving mechanism is arranged in the overturning box body, and the output end of the overturning driving mechanism is connected with the overturning unit flange assembly for transmission. The overturning driving mechanism comprises an overturning driving motor, a gear ring component and an overturning unit supporting component; the overturning driving motor is installed in the overturning box body through a connecting piece, the output end of the overturning driving motor is connected with an inner gear in the gear ring component, a flange plate is sleeved on the outer ring of an outer gear ring of the gear ring component, and an overturning unit supporting component is sleeved on the outer ring of the flange plate; the flange plate is connected with the flange plate of the swing arm unit through a connecting piece. The overturning unit further comprises a plurality of groups of limiting assemblies which are circumferentially arranged, each group of limiting assemblies comprises a fixed limiting seat and a movable limiting seat, and the fixed limiting seat is of a cylindrical structure with a central jack and is arranged on the circumference of the disc surface of the flange plate of the overturning unit; the movable limiting seat is of a pin structure and is arranged on the circumference of the disc surface of the flange plate of the swing arm unit; the movable limiting seat is inserted in the fixed limiting seat.
The swing arm unit comprises a first swing arm and a second swing arm; one side surface of the first swing arm is connected with the overturning unit through a flange plate, the other side surface of the first swing arm is connected with the second swing arm through a connecting piece group, and the free end of the second swing arm is connected with the rotary unit through a flange assembly;
the first swing arm and the second swing arm are arranged in an L-shaped structure; the first swing arm is longitudinally arranged, the second swing arm is horizontally arranged, and the second swing arm is arranged at the middle lower part of the first swing arm.
The rotary unit comprises a rotary box body, a rotary disc and a rotary driving mechanism; the rotary driving mechanism is arranged in the rotary box body, the rotary shaft is connected with the output end of the rotary driving mechanism through a connecting piece, and the free end of the rotary shaft is connected with the central part of the rotary disc. The rotary driving mechanism comprises a rotary driving motor, a rotary unit supporting assembly, a transmission gear set and a rotary shaft; the rotary driving motor is arranged in the rotary box body through a connecting piece, and an output shaft of the rotary driving motor is connected with the rotary shaft through a transmission gear set for transmission; the rotary unit supporting assembly is sleeved on the outer ring of the transmission gear set and the outer ring of the rotary shaft, and the rotary disc is arranged at the upper end of the rotary shaft and above the rotary unit supporting assembly.
The rotary disc is provided with a plurality of mounting hole groups, the mounting holes are arranged in a circumferential concentric mode, and each mounting hole group is formed by a plurality of mounting holes in a circumferential arrangement mode.
Compared with the prior art, the utility model discloses a this kind of machine of shifting for welding system of robot passes through the accurate rotation that biax transmission realized the continuity of work piece multidimension degree, is fit for the batch welding of dull and stereotyped class work piece and the automatic weld of continuity, saves time and economizes money and economizes the manual work, and the matched stack is connected through the modularization monomer to each part unit of system, selects the modularization monomer of different specifications according to different production demands, realizes that the welding requirement application scope of different work pieces is wide.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a front view of the turning unit of the present invention.
Fig. 3 is a schematic structural diagram of a limiting component of the middle turning unit of the present invention.
Fig. 4 is a schematic view of the turning driving mechanism of the turning unit of the present invention.
Fig. 5 is a top view of fig. 4.
Fig. 6 is a schematic structural view of the first swing arm of the present invention.
Fig. 7 is a side sectional view of fig. 6.
Fig. 8 is a schematic view of the middle rotation driving mechanism of the present invention.
Fig. 9 is a top view of fig. 8.
In the figure: the device comprises a base 1, a frame 2, a turnover unit 3, a swing arm unit 4 and a rotary unit 5.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Referring to fig. 1-9, the welding system disclosed herein is primarily suitable for batch welding of flat workpieces.
The positioner of the robot welding system comprises a base 1, a frame 2, a turnover unit 3, a swing arm unit 4 and a rotary unit 5. The frame is positioned at one end of the upper surface of the base, the overturning unit is arranged on the frame, the swing arm unit is of an L-shaped structure, the vertical section of the swing arm unit is connected with the overturning unit, the horizontal section of the swing arm unit is suspended in the air, and the free end of the swing arm unit is connected with the rotating unit; the swing arm unit drives the rotary unit to rotate along with the overturning unit; the tooling fixture is installed on the rotary unit.
The base, the rack, the overturning unit, the swing arm unit and the rotating unit are respectively modularized independent mechanisms and are combined together through connecting pieces. The upper surface of base is provided with the multiunit locating piece, and the bottom surface of frame sets up in the corresponding recess of locating piece, and the two matches each other, realizes the multiple spot location. The frame adopts frame rack structure, including first crossbeam and second crossbeam to corresponding interval installation a plurality of locating pieces by the manufacturing of machining process on first crossbeam and second crossbeam, a centre bore is seted up at the locating piece center, sets up a plurality of locating pieces and conveniently installs the location, realizes that the multiple spot location just positioning accuracy is high.
The overturning unit, the swing arm unit and the rotary unit comprise a plurality of scale module monomers, and the specifications of the modules matched with each other are adjusted according to production needs. The base and the rack, and the rack and the overturning unit can be detachably connected; the turnover unit and the swing arm unit, the swing arm unit and the rotary unit and the two swing arm monomers in the swing arm unit are also detachably connected, and the most common detachable connecting structure is connected by bolts. If later stage when changing main hoist frame size, the accessible changes the overall length size of organism unit and xarm unit, and the combination forms new main hoist frame robot weldment work station to adapt to new work piece size, reduce research and development and cost of manufacture, the later maintenance of being convenient for is reformed transform. The modularized design idea is applied to the structural design of the welding system of the main winch frame robot, so that the system is formed by assembling a plurality of optional serialized standardized modules, a certain module is conveniently and independently designed, manufactured, debugged, modified, stored and the like, and the time and the production cost are saved; meanwhile, the interchangeability and the universality are greatly improved; the development and production period is greatly shortened.
As a preferred embodiment: the overturning unit comprises an overturning box body 3-1-1, an overturning driving mechanism 3-1 and an overturning unit flange component 3-2. The turnover driving mechanism is arranged in the turnover box body, and the output end of the turnover driving mechanism is connected with the turnover unit flange assembly for transmission. The overturning driving mechanism comprises an overturning driving motor 3-1-4, a gear ring component 3-1-3 and an overturning unit supporting component 3-1-2; the upset driving motor passes through connecting pieces such as bolts to be installed inside the upset box, and upset driving motor's output is connected the tradition with the internal gear in the ring gear subassembly, and the outer lane cover of the outer ring gear of ring gear subassembly is equipped with the ring flange, and the outer lane cover of ring flange is equipped with upset unit supporting component, and this ring flange is connected through the bolt of arranging along its circumferencial direction with the ring flange of swing arm unit.
And a backing plate is arranged on the outer surface of the gear ring component in the center of the flange plate of the overturning unit through a connecting piece and is used for protecting the transmission component.
As the preferred technical scheme, the overturning unit also comprises a plurality of groups of limit components 3-3 which are circumferentially arranged, each group of limit components comprises a fixed limit seat 3-3-1 and a movable limit seat 3-3-2, and the fixed limit seat is of a cylindrical structure with a central jack and is arranged on the circumference of the disc surface of the flange plate of the overturning unit; the movable limiting seat is of a pin structure and is arranged on the circumference of the disc surface of the flange plate of the swing arm unit; the movable limiting seat is inserted in the fixed limiting seat. In this embodiment, four limiting assemblies are arranged on the outer circumference of the flange plate, and play roles in positioning and limiting.
As another preferred embodiment, the swing arm unit includes a first swing arm 4-1 and a second swing arm 4-2; one side surface of the first swing arm is connected with the flange plate of the overturning unit through the flange plate, the other side surface of the first swing arm is connected with the second swing arm through a connecting piece group such as a bolt, and the free end of the second swing arm is connected with the rotary unit through a flange assembly. The first swing arm and the second swing arm are arranged in an L-shaped structure; the first swing arm is longitudinally arranged, the second swing arm is horizontally arranged, and the second swing arm is arranged at the middle lower part of the first swing arm. The overturning driving mechanism and the first swing arm are eccentrically driven.
As a preferred embodiment, the swivel unit includes a swivel case 5-3, a swivel disk 5-3, and a swivel driving mechanism 5-1. The rotary driving mechanism comprises a rotary shaft 5-1-4, a transmission gear set 5-1-3, a rotary unit supporting assembly 5-1-1 and a rotary driving motor 5-1-2. The rotating shaft is connected with a transmission gear set at the output end of the rotating driving mechanism to realize synchronous rotation, and the free end of the rotating shaft is connected with the central part of the rotating disc. The rotary driving motor is arranged in the rotary box body through a connecting piece, and an output shaft of the rotary driving motor is connected with the rotary shaft through a transmission gear set for transmission; the rotary unit supporting assembly is sleeved on the outer ring of the transmission gear set and the outer ring of the rotary shaft, and the rotary disc is arranged at the upper end of the rotary shaft and above the rotary unit supporting assembly.
The rotary disc is provided with a plurality of mounting hole groups, the mounting holes are arranged concentrically in a circumferential manner, and each mounting hole group is formed by arranging and combining a plurality of mounting holes in a circumferential manner and is used for realizing the positioning of tool fixtures with different specifications.
As the preferred scheme, the gyration subassembly includes gyration dish, gyration unit support subassembly and drive gear group, and the bottom plate of whole gyration subassembly is installed on the upper cover plate of gyration box, for easy to assemble and location, offers a recess on the upper cover plate of gyration box, and gyration unit support subassembly inlays the dress in this recess for the location when installing the gyration unit, reduces installation error, and the repeated positioning precision is high. The bottom plate of the turnover unit is arranged on the upper cover plate of the rack, a groove is correspondingly formed in the bottom plate of the turnover unit, a boss is arranged on the upper surface of the upper cover plate of the rack, the boss is matched with the groove, and the positions of the groove and the boss can be reserved according to actual needs.
The utility model discloses a machine of shifting among this kind of welding system can accomplish work piece 0-360 upset and gyration, can adjust the position that treats the welded workpiece to the ideal and weld, and welding precision is high, operates steadily, can cooperate the work with welding robot, accomplishes more complicated welding, greatly reduced workman's intensity of labour. The tool set is matched with a modern robot welding body, so that all-position and high-quality weld joint forming is realized, the welding speed is increased, and the labor intensity is reduced. The L-shaped positioner is matched with the tooling fixture and the imported robot body to realize all-dimensional displacement and no dead angle welding. When the turning unit turns, the cross arm unit and the rotary unit are driven to turn together, and at the moment, the rotary unit can also turn and rotate at the same time, so that the workpiece can be turned and rotated by 0-360 degrees.

Claims (9)

1. The utility model provides a machine of shifting for welding system of robot which characterized in that: comprises a base, a frame, a turnover unit, a swing arm unit and a rotary unit;
the frame is positioned at one end of the upper surface of the base, the overturning unit is arranged on the frame, the swing arm unit is of an L-shaped structure, the vertical section of the swing arm unit is connected with the overturning unit, the horizontal section of the swing arm unit is suspended, and the free end of the swing arm unit is connected with the rotating unit; the swing arm unit drives the rotary unit to rotate along with the overturning unit; the tooling fixture is arranged on the rotary unit;
the base, the rack, the overturning unit, the swing arm unit and the rotating unit are respectively modularized independent mechanisms and are combined together through connecting pieces;
the upper surface of base is provided with the multiunit locating piece, the bottom surface of frame sets up in the corresponding recess of locating piece, and the two matches each other, realizes the multiple spot location.
2. The positioner for a robotic welding system of claim 1, further comprising: the overturning unit, the swing arm unit and the rotary unit comprise a plurality of scale module monomers, and the specifications of the modules matched with each other are adjusted according to production requirements.
3. The positioner for a robotic welding system of claim 1, further comprising: the overturning unit comprises an overturning box body, an overturning driving mechanism and an overturning unit flange assembly; the overturning driving mechanism is arranged in the overturning box body, and the output end of the overturning driving mechanism is connected with the overturning unit flange assembly for transmission.
4. The positioner for a robotic welding system of claim 3, further comprising: the overturning driving mechanism comprises an overturning driving motor, a gear ring component and an overturning unit supporting component; the overturning driving motor is installed in the overturning box body through a connecting piece, the output end of the overturning driving motor is connected with an inner gear in the gear ring component, a flange plate is sleeved on the outer ring of an outer gear ring of the gear ring component, and an overturning unit supporting component is sleeved on the outer ring of the flange plate; the flange plate is connected with the flange plate of the swing arm unit through a connecting piece.
5. The positioner for a robotic welding system of claim 3, further comprising: the turning unit also comprises a plurality of groups of limit components which are arranged circumferentially, each group of limit components comprises a fixed limit seat and a movable limit seat,
the fixed limiting seat is of a cylindrical structure with a central jack and is arranged on the circumference of the disc surface of the flange plate of the overturning unit;
the movable limiting seat is of a pin structure and is arranged on the circumference of the disc surface of the flange plate of the swing arm unit;
the movable limiting seat is inserted in the fixed limiting seat.
6. The positioner for a robotic welding system of claim 1, further comprising: the swing arm unit comprises a first swing arm and a second swing arm; one side surface of the first swing arm is connected with the overturning unit through a flange plate, the other side surface of the first swing arm is connected with the second swing arm through a connecting piece group, and the free end of the second swing arm is connected with the rotary unit through a flange assembly;
the first swing arm and the second swing arm are arranged in an L-shaped structure; the first swing arm is longitudinally arranged, the second swing arm is horizontally arranged, and the second swing arm is arranged at the middle lower part of the first swing arm.
7. The positioner for a robotic welding system of claim 1, further comprising: the rotary unit comprises a rotary box body, a rotary disc and a rotary driving mechanism; the rotary driving mechanism is arranged in the rotary box body, the rotary shaft is connected with the output end of the rotary driving mechanism through a connecting piece, and the free end of the rotary shaft is connected with the central part of the rotary disc.
8. The positioner for a robotic welding system of claim 7, further comprising: the rotary driving mechanism comprises a rotary driving motor, a rotary unit supporting assembly, a transmission gear set and a rotary shaft; the rotary driving motor is arranged in the rotary box body through a connecting piece, and an output shaft of the rotary driving motor is connected with the rotary shaft through a transmission gear set for transmission; the rotary unit supporting assembly is sleeved on the outer ring of the transmission gear set and the outer ring of the rotary shaft, and the rotary disc is arranged at the upper end of the rotary shaft and above the rotary unit supporting assembly.
9. The positioner for a robotic welding system of claim 7, further comprising: the rotary disc is provided with a plurality of mounting hole groups, the mounting holes are arranged in a circumferential concentric mode, and each mounting hole group is formed by a plurality of mounting holes in a circumferential arrangement mode.
CN202022370760.5U 2020-10-22 2020-10-22 Positioner for robot welding system Expired - Fee Related CN213560830U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022370760.5U CN213560830U (en) 2020-10-22 2020-10-22 Positioner for robot welding system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022370760.5U CN213560830U (en) 2020-10-22 2020-10-22 Positioner for robot welding system

Publications (1)

Publication Number Publication Date
CN213560830U true CN213560830U (en) 2021-06-29

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CN202022370760.5U Expired - Fee Related CN213560830U (en) 2020-10-22 2020-10-22 Positioner for robot welding system

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116833641A (en) * 2023-08-09 2023-10-03 广西科尼科技有限公司 A welding workstation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116833641A (en) * 2023-08-09 2023-10-03 广西科尼科技有限公司 A welding workstation

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Granted publication date: 20210629