阅读说明：本技术 一种自动焊接变位机 (Automatic welding positioner ) 是由 卢金衡 徐培 邵刚文 于 2021-09-23 设计创作，主要内容包括：本发明涉及焊接变位机技术领域,尤其涉及一种自动焊接变位机,包括变位机台,所述变位机台顶端的一侧转动安装有转轴,转轴的顶端安装有主转台,主转台包括中心块,且中心块的四周均匀分布设置有若干个翻转扇台,翻转扇台与中心块的侧边通过电动铰链转动连接,且各个翻转扇台的端面上均转动安装有副转台,副转台安装固定有两条电磁滑轨,电磁滑轨朝向中心块的一端竖直安装有限位挡板,主转台的一侧水平衔接有上料输送台,且上料输送台正对主转台且远离主转台的一侧通过支架水平安装有推料机构,且主转台另一侧的下方设置有下料输送台,本发明可实现自动焊接变位机的自动持续上料,焊接时的变位以及自动卸料,从而提升焊接整体的工作效率。(The invention relates to the technical field of welding position changers, in particular to an automatic welding position changer, which comprises a position changing machine table, wherein a rotating shaft is rotatably arranged on one side of the top end of the position changing machine table, a main rotating table is arranged on the top end of the rotating shaft, the main rotating table comprises a center block, a plurality of overturning fan tables are uniformly distributed on the periphery of the center block, the overturning fan tables are rotatably connected with the side edge of the center block through an electric hinge, an auxiliary rotating table is rotatably arranged on the end surface of each overturning fan table, two electromagnetic slide rails are fixedly arranged on the auxiliary rotating table, a limiting baffle is vertically arranged at one end, facing the center block, of each electromagnetic slide rail, one side of the main rotating table is horizontally connected with a feeding table, the feeding conveying table is opposite to the main rotating table, a pushing mechanism is horizontally arranged on one side, far away from the main rotating table, a discharging conveying table is arranged below the other side of the main rotating table, and the automatic continuous feeding of the automatic welding position changer can be realized, the dislocation and automatic discharge during welding to promote the holistic work efficiency of welding.)

1. An automatic welding positioner comprises a displacement machine table (1) and is characterized in that a rotating shaft is rotatably mounted on one side of the top end of the displacement machine table (1), a main rotating table (7) is mounted on the top end of the rotating shaft, the main rotating table (7) comprises a center block (71), a plurality of turnover fan tables (72) are uniformly distributed on the periphery of the center block (71), the turnover fan tables (72) are rotatably connected with the side edge of the center block (71) through an electric hinge (76), an auxiliary rotating table (75) is rotatably mounted on the end surface of each turnover fan table (72), two electromagnetic slide rails (73) are fixedly mounted on the auxiliary rotating table (75), and a limit baffle (74) is vertically mounted at one end, facing the center block (71), of each electromagnetic slide rail (73);

the material loading and conveying device is characterized in that a material loading and conveying platform (3) is horizontally connected to one side of the main rotary table (7), a plurality of material holders (2) are uniformly placed on the material loading and conveying platform (3) at equal intervals, sliding grooves matched with the two electromagnetic sliding rails (73) are formed in the bottom of each material holder (2), a material pushing mechanism (4) is horizontally arranged on one side, away from the main rotary table (7), of the material loading and conveying platform (3), and a material unloading and conveying platform (5) is arranged below the other side of the main rotary table (7).

2. The automatic welding positioner according to claim 1, wherein a pressure sensor (742) is mounted in the middle of the limit stop (74) adjacent to the vertical end face of the electromagnetic slide rail (73), and an automatic position corrector (741) is mounted at the top end of the limit stop (74).

3. The automatic welding positioner according to claim 2, wherein two push holes are formed in the vertical end face of the limit baffle (74) adjacent to the electromagnetic slide rail (73), and electric reset push blocks (743) are respectively mounted in the push holes.

4. The automatic welding positioner according to claim 1, wherein the middle part of the central block (71) is fixedly connected with a rotating shaft, the rotating shaft is driven by a main servo motor in the positioner table (1), a secondary servo motor is arranged in the turnover fan table (72), and the secondary servo motor drives the secondary turntable (75).

5. The automatic welding positioner according to claim 1, wherein conveyer belts are mounted on the feeding conveying platform (3) and the discharging conveying platform (5), and the width of the conveyer belts is greater than the length of the material bracket (2).

6. The automatic welding positioner according to claim 5, wherein after the rightmost overturning fan platform (72) of the main rotary table (7) is overturned downwards, the edge of the rightmost overturning fan platform (72) is connected with the blanking conveying platform (5), and a protective baffle (6) is vertically arranged on one side, away from the main rotary table (7), of the blanking conveying platform (5).

7. The automatic welding positioner according to claim 1, wherein a workpiece clamp is arranged on the top end surface of the material bracket (2), and a workpiece to be welded is clamped between the clamps.

8. The automatic welding positioner according to claim 1, wherein the pushing mechanism (4) comprises a hydraulic push rod and a pushing head, and the pushing head is an electromagnetic block.

Technical Field

The invention relates to the technical field of welding positioner, in particular to an automatic welding positioner.

Background

The welding positioner is used for dragging a workpiece to be welded to move a welding seam to be welded to an ideal position for welding.

All dispose rotatory main revolving stage on the positioner among the prior art, the dress accompanies a plurality of on the main revolving stage and treats the welding workpiece, rotate in proper order through the main revolving stage, make treat that the welding workpiece is automatic to rotate in proper order and weld under welder, although efficiency has been promoted, but the clamping treats that the welding workpiece is limited on the main revolving stage, treat that the welding workpiece all welds the back that finishes on the main revolving stage clamping, just need shut down and dismantle, carry out artifical material loading and unload, unusual inconvenience, influence whole welding efficiency.

Moreover, the temperature of the welded workpiece is higher, so that the workpiece on the main rotary table is not convenient to be immediately disassembled and assembled, and the overall welding efficiency is further influenced.

Therefore, this application provides one kind can last material loading automatically, and automatic weld, but automatic discharge's positioner moreover.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides an automatic welding positioner.

In order to achieve the purpose, the invention adopts the following technical scheme:

an automatic welding positioner comprises a displacement machine table, wherein a rotating shaft is rotatably mounted on one side of the top end of the displacement machine table, a main rotating table is mounted at the top end of the rotating shaft, the main rotating table comprises a center block, a plurality of turnover fan tables are uniformly distributed around the center block, the turnover fan tables are rotatably connected with the side edge of the center block through an electric hinge, an auxiliary rotating table is rotatably mounted on the end surface of each turnover fan table, two electromagnetic slide rails are fixedly mounted on the auxiliary rotating table, and a limit baffle is vertically mounted at one end, facing the center block, of each electromagnetic slide rail;

the material loading and conveying device is characterized in that a material loading and conveying platform is horizontally connected to one side of the main rotary table, a plurality of material support seats are placed on the material loading and conveying platform at equal intervals, sliding grooves matched with the two electromagnetic sliding rails are formed in the bottom of the material support seats, a material pushing mechanism is horizontally installed on one side, away from the main rotary table, of the material loading and conveying platform, and a material unloading and conveying platform is arranged below the other side of the main rotary table.

Preferably, a pressure sensor is installed in the middle of the vertical end face of the limit baffle adjacent to the electromagnetic slide rail, and an automatic position corrector is installed at the top end of the limit baffle.

Preferably, two pushing holes are formed in the vertical end face, adjacent to the electromagnetic sliding rail, of the limiting baffle, and electric reset pushing blocks are respectively installed in the pushing holes.

Preferably, the middle part of the center block is fixedly connected with the rotating shaft, the rotating shaft is driven by a main servo motor in the position changing machine table, an auxiliary servo motor is arranged in the overturning fan table, and the auxiliary servo motor drives the auxiliary rotary table.

Preferably, the feeding conveying table and the discharging conveying table are both provided with conveying belts, and the width of each conveying belt is greater than the length of the material bracket.

Preferably, after the rightmost overturning fan platform of the main rotary table overturns downwards, the edge of the rightmost overturning fan platform is connected with the blanking conveying platform, and the protective baffle is vertically arranged on one side, far away from the main rotary table, of the blanking conveying platform.

Preferably, the top end face of the material bracket is provided with a workpiece clamp, and a workpiece to be welded is clamped between the clamps.

Preferably, the pushing mechanism comprises a hydraulic push rod and a material pushing head, and the material pushing head is an electromagnetic block.

The invention has the beneficial effects that:

according to the automatic welding positioner, the material bracket which is provided with the workpiece to be welded on the feeding conveying table is automatically pushed to the main rotary table through the pushing mechanism to be subjected to displacement welding, the main rotary table is used for automatically discharging materials after welding, the material bracket which is provided with the workpiece after welding is conveyed to the discharging conveying table to be conveyed away, automatic continuous feeding, displacement and automatic discharging of the automatic welding positioner can be realized, and therefore the working efficiency of the whole welding is improved.

Drawings

FIG. 1 is a schematic structural diagram of the automatic welding positioner for feeding materials before welding, which is provided by the invention;

FIG. 2 is a schematic structural view of the automatic welding positioner for unloading after welding, which is provided by the invention;

FIG. 3 is a schematic top view of a main turntable of an automatic welding positioner according to the present invention;

fig. 4 is a schematic structural view of a limit baffle of the automatic welding positioner.

In the figure: the automatic positioning device comprises a displacement machine table 1, a material support seat 2, a feeding conveying table 3, a material pushing mechanism 4, a discharging conveying table 5, a protective baffle 6, a main rotary table 7, a center block 71, a turnover fan table 72, an electromagnetic sliding rail 73, a limit baffle 74, an auxiliary rotary table 75, an electric hinge 76, an automatic 741 corrector, a 742 pressure sensor and an electric reset push block 743.

Detailed Description

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, and not all of the embodiments.

Referring to fig. 1-4, an automatic welding positioner comprises a displacement machine table 1, a rotating shaft is rotatably mounted on one side of the top end of the displacement machine table 1, a main rotating table 7 is mounted on the top end of the rotating shaft, the main rotating table 7 comprises a center block 71, a plurality of turnover fan tables 72 are uniformly distributed around the center block 71, the turnover fan tables 72 are rotatably connected with the side edge of the center block 71 through an electric hinge 76, the middle part of the center block 71 is fixedly connected with the rotating shaft, the rotating shaft is driven by a main servo motor in the displacement machine table 1, an auxiliary rotating table 75 is rotatably mounted on the end surface of each turnover fan table 72, an auxiliary servo motor is arranged in each turnover fan table 72 and drives the auxiliary rotating table 75, two electromagnetic slide rails 73 are fixedly mounted on the auxiliary rotating table 75, and a limit baffle 74 is vertically mounted at one end of the electromagnetic slide rails 73 facing the center block 71.

Moreover, a pressure sensor 742 is installed in the middle of the limit baffle 74 adjacent to the vertical end face of the electromagnetic slide rail 73, an automatic position corrector 741 is installed at the top end of the limit baffle 74, two push holes are formed in the vertical end face of the limit baffle 74 adjacent to the electromagnetic slide rail 73, electric reset push blocks 743 are installed in the push holes, and receivers of the automatic position corrector 741 are installed in the positions, opposite to the main rotary table 7, of the feeding conveying table 3 and the positions, opposite to the main rotary table 7, of the discharging conveying table 5.

One side level of main revolving stage 7 links up has the material loading to carry platform 3, a plurality of material bracket 2 has evenly placed equidistance on the material loading carries platform 3, the bottom of material bracket 2 is provided with the spout that matches with two electromagnetism slide rails 73, and the material loading carries platform 3 just to main revolving stage 7 and keeps away from one side of main revolving stage 7 and has pushing equipment 4 through support horizontal installation, pushing equipment 4 includes hydraulic push rod and ejector pad, the ejector pad is the electromagnetic block, and the below of main revolving stage 7 opposite side is provided with the unloading and carries platform 5.

All install the conveyer belt on platform 3 and the unloading is carried the platform 5 to the material loading, and the width of conveyer belt is greater than the length of material bracket 2, and the upset fan platform 72 of main revolving stage 7 rightmost side down the upset back, and the edge of the upset fan platform 72 of rightmost side carries platform 5 with the unloading to link up, and the unloading carries platform 5 to keep away from the vertical guard flap 6 that is provided with in one side of main revolving stage 7.

Wherein, install work piece holder on the top end face of material bracket 2, work piece holder is used for the centre gripping to wait to weld the work piece.

In this embodiment, when feeding, a workpiece to be welded is clamped on the material holder 2 in advance, the material holder 2 is sequentially placed on the conveying belt of the feeding conveying table 3, the main servo motor in the displacement table 1 rotates the main rotary table 7 by the same angle each time, the leftmost turning fan table 72 which rotates is opposite to the feeding conveying table 3, then the automatic position corrector 741 on the leftmost turning fan table 72 on the main rotary table 7 performs position correction, the automatic position corrector 741 performs correction through laser emission, the auxiliary rotary table 75 performs position correction and deflection until the laser is received by the receiver on the feeding conveying table 3, the auxiliary rotary table 75 stops deflecting, and at this time, the electromagnetic slide rail 73 vertically faces the feeding conveying table 3;

the feeding conveying table 3 moves the material bracket 2 to the pushing mechanism 4, the feeding conveying table 3 is paused, a hydraulic push rod of the pushing mechanism 4 drives a material pushing head to push the material bracket 2 on the conveying belt, the material pushing head is electrified after contacting with the material bracket 2 and is locked with the material bracket 2, and the material pushing mechanism 4 horizontally pushes the material bracket 2 to the leftmost overturning fan table 72 of the main rotating table 7 until the position of the limit baffle 74;

after the material bracket 2 contacts with the pressure sensor 742 on the limit baffle 74, the material pushing head is powered off and loses magnetic adsorption with the material bracket 2, meanwhile, the hydraulic push rod of the material pushing mechanism 4 retracts, meanwhile, the electromagnetic slide rail 73 is powered on to generate magnetic force to lock the material bracket 2, so that the feeding of a workpiece to be welded at one time is completed, after the feeding at one time is completed, the main rotary table 7 rotates, the workpiece to be welded is rotated to another station for welding (peripheral welding equipment is preferably arranged between the feeding conveying table 3 and the discharging conveying table 5), and meanwhile, the feeding conveying table 3 feeds the newly rotated leftmost turnover fan table 72, so that uninterrupted feeding and welding can be realized, and the production efficiency is improved.

When welding, the auxiliary turntable 75 is rotatable to shift, so that the material holder 2 can be conveniently shifted for welding, and the shifting function of the shifting machine is realized. Preferably, a plurality of sub-turrets 75 are provided on the main turret 7 so that the efficiency of the shift welding can be improved.

When the material is unloaded, the rightmost turnover fan table 72 positioned at the rightmost side of the main turntable 7 is turned downwards through the electric hinge 76, so that the edge of the rightmost turnover fan table 72 is connected with the material unloading conveying table 5, then the automatic position corrector 741 on the rightmost overturn fan platform 72 of the main turntable 7 carries out position correction, the automatic position corrector 741 carries out correction by emitting laser, so that the auxiliary turntable 75 carries out position correction deflection until the laser is received by a receiver on the blanking conveying platform 5, the auxiliary turntable 75 stops deflecting, at the moment, the electromagnetic slide rail 73 vertically faces to the blanking conveying platform 5, and then the electromagnetic slide rail 73 is controlled to be powered off and lose magnetism, meanwhile, the electric reset push block 743 on the limit baffle 74 is popped out from the push hole, so that the material holder 2 on the electromagnetic slide rail 73 is promoted to slide down to the blanking conveying platform 5, wherein the automatic position corrector 741 is positioned at the top end of the limit baffle 74, and the laser port is not shielded by the material holder 2 and the workpiece on the holder.

Moreover, one side of the blanking conveying table 5 is provided with a protective baffle 6 to avoid falling out of the blanking conveying table 5 when sliding downwards, the blanking conveying table 5 conveys the welded workpiece away, and the welded workpiece can be naturally cooled on the blanking conveying table 5.

Wherein, main and vice servo motor and relevant electrical equipment in whole process are controlled by central controller.

According to the invention, the material bracket 2 with the workpiece to be welded arranged on the feeding conveying table 3 is automatically pushed to the turning fan table 72 located at the leftmost side of the main rotary table 7 through the material pushing mechanism 4, the main rotary table 7 drives the material bracket 2 to rotate to a welding position, the auxiliary rotary table 75 rotates to displace for welding, the main rotary table 7 drives the material bracket 2 to rotate to the rightmost side after welding, the turning fan table 72 turns downwards for discharging, and the material bracket 2 with the workpiece to be welded arranged is conveyed to the discharging conveying table 5 to be conveyed away. To sum up, this kind of automatic weld positioner can realize automatic feeding, shift and automatic discharge and the automatic wheel rotation between above-mentioned station during the welding to promote the holistic work efficiency of welding.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.