CN214641292U

CN214641292U - Simple automatic welding device

Info

Publication number: CN214641292U
Application number: CN202120133129.5U
Authority: CN
Inventors: 范坤; 杨梦婷
Original assignee: Ningbo Huazhong Plastics Co ltd
Current assignee: Ningbo Huazhong Plastics Co ltd
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2021-11-09
Anticipated expiration: 2031-01-18

Abstract

The application discloses simple and easy automatic welder, including robot arm and workstation, robot arm's free end is equipped with the soldered connection, is equipped with locating component, actuating mechanism and fixed establishment on the workstation, and work piece and welding piece are suitable for erectting on locating component, and fixed establishment includes the mount, and actuating mechanism can order about the mount and push down so that work piece and welding piece support tight cooperation, and robot arm welds the welding piece on the work piece through the soldered connection. The application provides a simple automatic welding device, and the fence is set to prevent personnel from approaching equipment when the equipment works, so that the safety is improved; the automatic welding saves labor cost, accurately limits the positions of a welding part and a workpiece, improves welding precision and ensures the quality of finished products.

Description

Simple automatic welding device

Technical Field

The application relates to the technical field of automatic suction welding, in particular to a simple automatic welding device.

Background

At present, with the development of the automobile industry, the number of automobile production is increased year by year, and most of the existing automobile parts adopt a mode of separately manufacturing a workpiece and a welding part and then integrally welding to complete the connection between the workpiece and the welding part, however, the following problems still exist in the prior art:

(1) the problems of inadequate training and inconsistent welding precision exist in manual welding, so that the quality of products cannot be guaranteed, and a large amount of labor and time cost can be consumed in quality inspection procedures.

(2) When the automatic welding equipment is adopted, due to certain dangerousness of the automatic welding equipment, personal dangers are easily caused if people break through the equipment or enter the equipment illegally when the equipment runs.

(3) When the clamping device is used for clamping a workpiece, interference or clamping position deviation often occurs, so that the deviation of machining precision is caused, and the quality of a finished product is influenced.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model aims to provide a simple automatic welding device, which is provided with a fence to prevent personnel from approaching equipment when the equipment works, thereby improving the safety; the automatic welding saves labor cost, accurately limits the positions of a welding part and a workpiece, improves welding precision and ensures the quality of finished products.

For reaching above purpose, this application provides a simple and easy automatic welder, including robot arm and workstation, robot arm's free end is equipped with the soldered connection, be equipped with locating component, actuating mechanism and fixed establishment on the workstation, work piece and welding piece are suitable for erectting on the locating component, fixed establishment includes the mount, actuating mechanism can order about the mount pushes down so that work piece and welding piece support tight cooperation, robot arm passes through the soldered connection will weld on the work piece.

Compared with the prior art, the beneficial effect of this application lies in: the welding head at the end of the robot arm is used for automatically welding, so that the labor is saved, the welding precision and time point are more accurate, and the work efficiency is improved; the positioning assembly can accurately limit the positions of the workpiece and the welding part, and the fixing frame can enable the workpiece and the welding part to be in abutting fit through pressing down, so that the workpiece and the welding part are prevented from slipping and deviating in the welding process, the working precision can be effectively improved, the welding states of the workpiece and the welding part can be kept consistent, and the welding device is attractive in appearance and stable in finished product quality; the fixing frame can be opened and closed through the driving mechanism, and the workpiece and the welding part can be conveniently arranged and detached.

As the improvement, still be equipped with the backup pad on the workstation, locating component drive mechanism with fixed establishment all locates in the backup pad, the backup pad with the connection can be dismantled to the workstation, still be equipped with the handrail in the backup pad, through the above-mentioned improvement, only need with locating component drive mechanism with fixed establishment installs in advance in the backup pad, can accomplish the preparation process to the preset position of work piece through the installation of backup pad and workstation afterwards, only change the backup pad and can not only confirm the accurate position of work piece, and very big promotion work efficiency, save time, the handrail can make things convenient for the staff to lift the backup pad, laborsaving and the application of force of being convenient for.

As an improvement, the driving mechanism comprises an air cylinder, a telescopic piston rod, a connecting rod, a support, a rotating shaft and a support plate, the telescopic piston rod is connected with the air cylinder in a matching way, one end of the connecting rod is connected with the free end of the telescopic piston rod, the other end of the connecting rod is connected with the rotating shaft, the rotating shaft is connected with the support plate through the support, the rotating shaft is connected with the support plate in a rotating way, the support plate is fixedly connected on the rotating shaft, the fixing frame is fixedly connected on the support plate, the telescopic piston rod reciprocates to drive the fixing frame to move upwards and downwards, through the improvement, the opening and closing control of the fixing frame can be completed through a simple air cylinder and a telescopic piston rod mechanism, the structure is simple, the transmission effect is stable, the vertical rotation of the fixing frame is controlled through the transverse movement of the air cylinder and the telescopic piston rod, the position of the fixing frame pressed downwards when the fixing frame rotates to a horizontal state can be ensured, and vertical rotation saves a large amount of spaces, has reduced the volume that the workstation took when working.

As the improvement, the supporting assembly comprises a plurality of groups of supporting blocks detachably connected with the supporting plate, each group of supporting blocks are adaptive to corresponding workpieces and welding parts, one supporting plate is suitable for mounting one group of supporting blocks, the adaptive groups of supporting blocks can be replaced according to the workpieces and the welding parts required to be welded through the improvement, the required groups of supporting blocks can be pre-mounted through the improvement, the purpose of quick replacement and installation can be achieved through the faster supporting blocks when the workpieces and the welding parts are welded, the working efficiency is improved, and the machining precision can be guaranteed.

According to the improvement, the workpieces and the welding parts are always kept in the horizontal positions, so that the welding precision can be guaranteed to the maximum extent, the workpieces and the welding parts are always in the horizontal positions, the normal operation of the welding process of a welding head is facilitated, the workpieces and the welding parts are always in abutting fit, and the workpieces and the welding parts are not easy to slip.

As an improvement, the fixing mechanism further comprises a connecting piece, a connecting column and a pressing block, the connecting column is connected with the fixing frame through the connecting piece, the connecting piece is arranged along the circumferential direction of the fixing frame, the connecting position of the connecting piece and the fixing frame is adjustable, the pressing block is arranged at the lower end of the connecting column, and through the improvement, the fixing frame can complete abutting fit of a workpiece and a welding piece through abutting of the pressing block and the workpiece, so that the fixing frame does not need to be abutted with the workpiece integrally, the manufacturing process of the fixing frame is simplified, and the cost is saved; the connecting position of the connecting piece and the fixing frame is adjustable, the connecting piece can be adapted to different welding position points of different workpieces, can be flexibly applied to different workpieces and welding pieces, and can realize accurate and local pressing through the pressing block to complete the tight fit of the welding positions required by the workpieces and the welding pieces.

As the improvement, the spliced pole the connecting piece with the quantity of briquetting is a plurality of and the quantity of three is unanimous, offer the confession on the connecting piece the through-hole that the spliced pole passed through, the spliced pole wears to locate the connecting piece, spliced pole accessible adjustment with the position control that the through-hole cooperation is connected the position of briquetting, through the aforesaid improvement, the cooperation position of spliced pole and through-hole is adjustable for the height position of briquetting is adjustable, thereby can be according to the height position of the briquetting of the corresponding position of work piece and the different welding point change of welding piece, make the work piece inseparabler with the welding piece laminating, the tight fit relation of support of work piece and welding point department can be further guaranteed to the accuracy simultaneously, ensure welded stability and welding effect.

As the improvement, the workpiece is provided with welding columns, welding holes for the welding columns to pass through are formed in the welding part, the number of the welding columns and the number of the welding holes are multiple and the number of the welding columns and the number of the welding holes are consistent, the welding head extends into the welding columns to enable the welding columns to be melted, so that the welding part is welded with the workpiece.

As an improvement, the fixing mechanism comprises press blocks, the number of the press blocks is consistent with that of the welding columns, the press blocks and the welding columns are alternately arranged at intervals, and through the improvement, the press blocks are arranged near the welding columns and alternately arranged with the welding columns at intervals, so that the workpieces near the welding columns and the welding parts can be kept in a tight fit state and a stable state, and the welding stability and the welding precision can be further improved.

As an improvement, the bottom of the workbench is provided with support legs and rollers, the rollers can slide up and down along the length direction of the support legs, the robot arms are multi-axis robots, the peripheries of the workbench and the robots are provided with fences, the fences are provided with gaps, and two sides of each gap are provided with infrared sensors; the multi-axis robot can realize the operation of establishing a spatial right-angle relationship with automatic control, repeatable programming, multiple degrees of freedom and motion freedom, thereby meeting the welding point positions of all angles and positions and meeting the processing requirement; the rail can prevent effectively that personnel from going into the rail by mistake in, avoids being accidentally injured by the equipment in service, and infrared inductor can further ensure that nobody exists in the rail, improves the security.

Drawings

FIG. 1 is a schematic view of the overall structure of a work table and a workpiece and weldment on an alternate support bar of the present application;

FIG. 2 is a schematic view of the overall structure of a welding part and a workpiece on a welding workbench of a robot arm built in a fence according to the application;

FIG. 3 is a schematic structural view of a robot arm, and a workpiece, a welding part, a positioning assembly, a driving mechanism and a fixing mechanism arranged on a supporting plate;

FIG. 4 is a schematic structural view of the workpiece and the welded part of FIG. 3;

FIG. 5 is an enlarged view of a portion B of FIG. 3;

FIG. 6 is an enlarged view of part A of FIG. 2;

fig. 7 is a schematic structural view of the workpiece and the weldment in a tight fit.

In the figure: 1. a work table; 11. a support plate; 111. a handrail; 121. a cylinder; 122. a telescopic piston rod; 123. a connecting rod; 124. a support; 125. a rotating shaft; 126. a support plate; 13. a fixed mount; 14. a support block; 141. a connecting member; 142. connecting columns; 143. briquetting; 151. a support leg; 152. a roller; 2. a robot arm; 21. welding a head; 3. a workpiece; 31. welding the column; 4. a welding part; 41. welding the hole; 5. a fence; 51. a notch; 52. an infrared sensor.

Detailed Description

The present application is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments or technical features described below may form a new embodiment.

In the description of the present application, it should be noted that, for the orientation words, such as the terms "central", "upper", "lower", "front", "back", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, are only for convenience of describing the present application and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present application.

It is noted that the terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

The terms "comprises," "comprising," and "having," and any variations thereof, in the description and claims of this application, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The application provides a simple automatic welding device, as shown in fig. 1-2, including robot arm 2 and workstation 1, the tip of robot arm 2 is equipped with soldered connection 21, be equipped with locating component, actuating mechanism and fixed establishment on workstation 1, work piece 3 and welding 4 are suitable for erectting on locating component, fixed establishment includes mount 13, actuating mechanism can order about mount 13 to open or push down, mount 13 pushes down so that work piece 3 supports tight cooperation with welding 4, robot arm 2 welds welding 4 on work piece 3 through soldered connection 21.

It should be noted that, in the state that the driving mechanism drives the fixing frame 13 to be opened, the workpiece 3 and the welding part 4 are convenient to mount.

Preferably, the welding head 21 is a welding gun or welding tongs.

Specifically, as shown in fig. 3 and 4, a support plate 11 is further arranged on the workbench 1, the positioning assembly, the driving mechanism and the fixing mechanism are all arranged on the support plate 11, the positioning assembly and the driving mechanism are all detachably connected with the support plate 11, the support plate 11 is detachably connected with the workbench 1, and a handrail 111 is further arranged on the support plate 11.

It should be noted that the detachable connection herein includes, but is not limited to, the connection manner of the fastener, and the fastener includes common connection manners such as a bolt, a screw, and the like.

Specifically, as shown in fig. 5, the driving mechanism includes an air cylinder 121, a telescopic piston rod 122, a connecting rod 123, a support 124, a rotating shaft 125 and a support plate 126, the telescopic piston rod 122 is connected with the air cylinder 121 in a matching manner, one end of the connecting rod 123 is connected with a free end of the telescopic piston rod 122, the other end of the connecting rod is fixedly connected with the rotating shaft 125, the rotating shaft 125 is connected with the support plate 11 through the support 124, the rotating shaft 125 is rotatably connected with the support plate 11, the support plate 126 is fixedly connected to the rotating shaft 125, the fixing frame 13 is fixedly connected to the support plate 126, the telescopic piston rod 122 reciprocates to drive the rotating shaft 125 to rotate, the rotating shaft 125 rotates to drive the support plate 126 and the fixing frame 13 to rotate, the fixing frame 13 rotates upward to facilitate the installation of the workpiece 3 and the welding part 4, and the fixing frame 13 rotates downward to enable the workpiece 3 and the welding part 4 to be in a abutting fit.

Specifically, as shown in fig. 3, the support assembly includes a plurality of sets of support blocks 14 detachably connected to the support plate 11, each set of support blocks 14 being adapted to correspond to the workpiece 3 and the weldment 4, and one support plate 11 being adapted to mount one set of support blocks 14 thereon.

It should be noted that the support blocks 14 in each set of support blocks 14 have different shapes and are adapted to the bottom of the workpiece 3 and the measuring part, respectively.

Specifically, as shown in fig. 3, each group of supporting blocks 14 has a plurality of supporting blocks 14, the plurality of supporting blocks 14 are circumferentially distributed along the bottom of the workpiece 3 and the welding part 4, the supporting blocks 14 are matched with the bottom surfaces of the workpiece 3 and the welding part 4, the plurality of supporting blocks 14 enable the workpiece 3 and the welding part 4 to be always kept in a horizontal position, and the integral structure of the workpiece 3 and the welding part 4 is in a direction parallel to the workbench 1, namely, in a horizontal direction.

Specifically, as shown in fig. 6, the fixing mechanism further includes a connecting member 141, a connecting column 142 and a pressing block 143, the connecting column 142 is connected to the fixing frame 13 through the connecting member 141, the connecting member 141 is detachably connected to the fixing frame 13, the connecting member 141 is arranged along the circumferential direction of the fixing frame 13, the connecting position of the connecting member 141 and the fixing frame 13 is adjustable, and the pressing block 143 is disposed at the lower end of the connecting column 142.

Preferably, the fixing frame 13 is provided with mounting holes for matching and connecting with the fixing members, the mounting portions are arranged at various positions on the fixing frame 13, and the fixing members can be mounted at different positions on the fixing frame through fasteners.

Specifically, as shown in fig. 4, the number of the connecting column 142, the connecting member 141 and the pressing block 143 is multiple and the number of the connecting column 142, the connecting member 141 and the pressing block 143 is the same, a through hole for the connecting column 142 to pass through is formed in the connecting member 141, the connecting column 142 penetrates through the connecting member 141, and the position of the pressing block 143 can be controlled by adjusting the position of the connecting column 142, which is in fit connection with the through hole.

Preferably, a threaded hole is formed in the through hole, a thread is formed on the column body of the connecting column 142, and the connecting column 142 is in threaded fit with the through hole.

Specifically, as shown in fig. 6 and 7, the workpiece 3 is provided with the welding column 31, the welding member 4 is provided with a plurality of welding holes 41 through which the welding column 31 passes, the number of the welding columns 31 and the number of the welding holes 41 are equal to each other, and the welding head 21 extends into the welding column 31 to melt the welding column 31, thereby welding the welding member 4 and the workpiece 3.

Specifically, as shown in fig. 6, the fixing mechanism includes pressing blocks 143, the number of the pressing blocks 143 is the same as that of the welding columns 31, and the pressing blocks 143 and the welding columns 31 are alternately arranged at intervals.

Specifically, the bottom of workstation 1 is equipped with stabilizer blade 151 and gyro wheel 152, and gyro wheel 152 can slide from top to bottom along the length direction of stabilizer blade 151, and robot arm 2 is multiaxis robot, and the periphery of workstation 1 and robot is equipped with rail 5, and rail 5 is equipped with breach 51, and the both sides of breach 51 are equipped with infrared inductor 52, and when not sensing personnel existence in infrared inductor 52 response scope, then robot arm 2 can normal operating.

Preferably, the number of the brackets and the rollers 152 is four, and the brackets and the rollers are uniformly distributed at four corners of the worktable 1.

It should be noted that the robot arm 2 can run different programs according to different models of the workpieces 3 and the weldments 4, so as to be suitable for welding different workpieces 3 and weldments 4.

The foregoing has described the general principles, essential features, and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, which are merely illustrative of the principles of the application, but that various changes and modifications may be made without departing from the spirit and scope of the application, and these changes and modifications are intended to be within the scope of the application as claimed. The scope of protection claimed by this application is defined by the following claims and their equivalents.

Claims

1. The utility model provides a simple and easy automatic welder which characterized in that: including robot arm and workstation, robot arm's free end is equipped with the soldered connection, be equipped with locating component, actuating mechanism and fixed establishment on the workstation, work piece and welding are suitable for erectting on the locating component, fixed establishment includes the mount, actuating mechanism can order about the mount pushes down so that work piece and welding support tight fit, robot arm passes through the soldered connection welds the welding on the work piece.

2. A simple automatic welding device as defined in claim 1, characterized in that: the worktable is further provided with a supporting plate, the positioning assembly, the driving mechanism and the fixing mechanism are arranged on the supporting plate, the supporting plate is detachably connected with the worktable, and the supporting plate is further provided with a handrail.

3. A simple automatic welding device as defined in claim 2, characterized in that: the driving mechanism comprises an air cylinder, a telescopic piston rod, a connecting rod, a support, a rotating shaft and a support plate, the telescopic piston rod is connected with the air cylinder in a matched mode, one end of the connecting rod is connected with the free end of the telescopic piston rod, the other end of the connecting rod is connected with the rotating shaft, the rotating shaft is connected with the support plate through the support, the rotating shaft is connected with the support plate in a rotating mode, the support plate is fixedly connected to the rotating shaft, the fixing frame is fixedly connected to the support plate, and the telescopic piston rod reciprocates to drive the fixing frame to move upwards and downwards.

4. A simple automatic welding device as defined in claim 2, characterized in that: the supporting assembly comprises a plurality of groups of supporting blocks detachably connected with the supporting plate, each group of supporting blocks are adaptive to corresponding workpieces and welding pieces, and one supporting plate is suitable for mounting one group of supporting blocks.

5. The simple automatic welding device according to claim 4, characterized in that: each group of supporting blocks is provided with a plurality of supporting blocks, the supporting blocks are distributed along the circumferential direction of the bottoms of the workpiece and the welding part and are matched with the bottom surfaces of the workpiece and the welding part, and the supporting blocks enable the workpiece and the welding part to be kept in a horizontal position all the time.

6. A simple automatic welding device as defined in claim 1, characterized in that: the fixing mechanism further comprises a connecting piece, a connecting column and a pressing block, the connecting column is connected with the fixing frame through the connecting piece, the connecting piece is arranged along the circumferential direction of the fixing frame, the connecting position of the connecting piece and the fixing frame is adjustable, and the pressing block is arranged at the lower end of the connecting column.

7. The simple automatic welding device according to claim 6, characterized in that: the spliced pole the connecting piece with the quantity of briquetting is a plurality of and the quantity of three is unanimous, set up the confession on the connecting piece the through-hole that the spliced pole passed through, the spliced pole wears to locate the connecting piece, spliced pole accessible adjustment with the position control that the through-hole cooperation is connected the position of briquetting.

8. A simple automatic welding device as defined in claim 1, characterized in that: the welding device is characterized in that a welding column is arranged on a workpiece, welding holes for the welding column to pass through are formed in the welding piece, the number of the welding column and the number of the welding holes are multiple and consistent, and the welding head extends into the welding column to enable the welding column to be melted, so that the welding piece is welded with the workpiece.

9. The automated welding apparatus of claim 8, wherein: the fixing mechanism comprises pressing blocks, the number of the pressing blocks is consistent with that of the welding columns, and the pressing blocks and the welding columns are alternately arranged at intervals.

10. A simple automatic welding device as defined in any one of claims 1 to 9, characterized in that: the bottom of workstation is equipped with stabilizer blade and gyro wheel, the gyro wheel can be followed the length direction of stabilizer blade slides from top to bottom, robot arm is multiaxis robot, the workstation reaches the periphery of robot is equipped with the rail, the rail is equipped with the breach, the both sides of breach are equipped with infrared inductor.