CN217666991U - Quick spot welder - Google Patents

Abstract

A rapid spot welding machine comprises a welding module and a pressing module used for pressing a welded workpiece. The welding module comprises a welding equipment main body, a welding head arranged at the bottom of the welding equipment main body and a wire supply device arranged on the side face of the welding equipment main body. The pressing module comprises a containing table for containing workpieces and a movable pressing plate arranged at an interval with the containing table. The movable pressing plate is provided with a second driving module for driving the movable pressing plate to press the workpiece on the containing table. The spot welding machine uses the wire supply device, and can rapidly weld workpieces by matching with the welding head. The pressing module can press the welding surface after welding is completed, so that welding flux can be fully filled between two to-be-welded parts, the strength of a welding part is improved, the surface of the welded part can be smooth, and the appearance of the welded part is not influenced.

Description

Quick spot welder

Technical Field

The utility model relates to a welding equipment technical field, in particular to quick spot welder.

Background

In the process of processing electronic components, the two assembled components are often welded together to achieve the effects of circuit communication or component fixation. A common welding method relies on manual welding. However, the welding level of manual welding is not stable, which causes fluctuation in the quality of the final product and high labor costs, thereby increasing costs. Meanwhile, the position of the added solder cannot be accurately determined, so that dislocation is often generated between two welded parts or the surface of a welding part is uneven, and the quality of a product is further reduced.

Patent No. CN202020793548.7, entitled electric welding mechanism for electric welding machine and spot welding machine, discloses a spot welding machine. The spot welding machine comprises a fixed connecting frame which is fixedly arranged on a spot welding machine body; the sliding seat is arranged on the fixed connecting frame in a sliding manner and is used for sliding up and down on the fixed connecting frame in a reciprocating manner along the vertical direction; the electrode is fixedly arranged on the sliding seat, arranged along the vertical direction, and used for synchronously sliding along with the sliding seat and contacting with a weldment to perform spot welding; the screw rod is rotationally arranged on the fixed connecting frame and is connected with the sliding seat, and the screw rod is arranged along the vertical direction and is in spiral fit connection with a nut part arranged on the sliding seat; the driver is fixedly arranged on the fixed connecting frame, and the power output end of the driver is connected with the screw rod and is used for driving the screw rod to rotate; and the matched control unit is electrically connected with the driver and used for controlling the start and stop of the driver, controlling the driver to rotate forwards to drive the lead screw in a torque mode and drive the electrode to complete spot welding, and controlling the driver to rotate backwards to drive the lead screw and drive the electrode to be far away from a welding part. The spot welder can improve the working efficiency, but cannot flatten the welding surface after welding.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a quick spot welder to satisfy above-mentioned demand.

A rapid spot welding machine comprises a welding module and a pressing module used for pressing a welded workpiece. The welding module comprises a welding equipment main body, a welding head arranged at the bottom of the welding equipment main body and a wire supply device arranged on the side face of the welding equipment main body. The pressing module comprises a containing table for containing workpieces and a movable pressing plate arranged at an interval with the containing table. The movable pressing plate is provided with a second driving module for driving the movable pressing plate to press the workpiece on the containing table.

Further, the wire supply device comprises a mounting plate vertically arranged on one side of the outer portion of the welding device body, a spool rotatably mounted on the mounting plate, and a rotary wire supply assembly arranged on the mounting plate, welding wires are wound on the spool, and the rotary wire supply assembly continuously rotates to pull the welding wires to the welding head.

Furthermore, one side of the movable pressing plate, which is opposite to the workpiece, is provided with a flexible pad.

Further, the spot welding machine further comprises a mechanical arm for transferring the position of the workpiece, and the mechanical arm comprises a mechanical arm main body and a clamping device arranged at the tail end of the mechanical arm main body.

Further, the clamping device comprises a rotating shaft arranged at the tail end of the mechanical arm body, a connecting rod inserted on one side of the rotating shaft, a rotating connecting block arranged at the tail end of the connecting rod, at least one inserting rod inserted on the side surface of the rotating connecting block, and expansion pieces which are respectively sleeved on the tail end of each inserting rod and expand after being inflated.

Further, the quantity of inserted bar is two, the inserted bar sets up respectively on two different sides of swivelling joint piece, the contained angle between the inserted bar is 90 degrees

Furthermore, the spot welding machine also comprises a cleaning module used for removing welding wires solidified on the welding head, wherein the cleaning module comprises a box body with an open top and an air nozzle with a head inserted into the side surface of the box body, and the air nozzle sprays air at intervals so as to remove the residual welding wires on the welding head.

Further, the spot welder further comprises a laser emitting device.

Compared with the prior art, the utility model provides a spot welder has used the confession line device, the cooperation the soldered connection can be quick welds the work piece. The pressing module can press the welding surface after welding is completed, so that the welding flux can be fully filled between two parts to be welded, the strength of a welding part is improved, the surface of the welded workpiece can be smooth, and the appearance of the raised part is not influenced.

Drawings

Fig. 1 is the utility model provides a pair of the overall structure schematic diagram of a rapid spot welder.

Fig. 2 is an enlarged view of a portion of the spot welder of fig. 1 at a.

Fig. 3 is an enlarged view of a portion of the spot welder of fig. 1 at B.

Fig. 4 is a schematic view of a cleaning module of the spot welder of fig. 1.

Fig. 5 is a schematic view of the robot arm of the spot welder of fig. 1.

Fig. 6 is a side view of a movable platen of the spot welder of fig. 1.

Detailed Description

Specific examples of the present invention will be described in further detail below. It should be understood that the description herein of embodiments of the invention is not intended to limit the scope of the invention.

As shown in fig. 1 to fig. 6, which are schematic structural views of the rapid spot welding machine provided by the present invention. Comprising a frame 10. It is contemplated that some functional modules, such as controllers, switchboards, etc., are also included, which are well known to those skilled in the art and will not be described herein.

In this embodiment, the workpiece to be spot-welded is a motor coil. It is cylindrical and has a through hole in the middle.

A welding module 20 is disposed on the frame 10. The welding module 20 includes a welding apparatus body 21, a welding head 22 spaced apart from the bottom of the welding apparatus body 21, a wire supplying device 23 provided at one side of the welding apparatus body 21 and supplying a welding wire to the welding head, and a spot welding table 24 for accommodating a workpiece. The welding apparatus body 21 has a first driving module 25 thereon so that the welding head 22 can move according to a predetermined route. In this embodiment, the welding apparatus main body 21 includes two split bodies, and the first driving module 25 is disposed between the two split bodies, so that when the first driving module 25 is started, one of the split bodies remains stationary, and the other split body is driven by the first driving module 25 to drive the welding head 22 to move. The wire supplying device 23 includes a mounting plate 231 vertically disposed at an outer side of the welding apparatus main body 21, a spool 232 rotatably mounted on the mounting plate 231, and a rotary wire supplying assembly 233 disposed on the mounting plate 231. A welding wire is wound outside the bobbin 232, and the welding wire may be made of tin. The rotary wire supply assembly 233 is capable of drawing the welding wire from the spool 232 and supplying it to the welding head 22, which is prior art and will not be described herein. The outside of the welding head 22 is provided with a guiding device for guiding the welding wire to the welding position and a heating device for heating the welding wire to melt the welding wire, which are all in the prior art and will not be described again. The welding head 22 heats and melts the welding wire supplied from the wire supply device 23, and then moves along a preset path to weld two parts on the workpiece to each other.

A pressing module 30 is arranged on the frame. The pressing module 30 includes a holding table 31 for holding the workpiece, a movable pressing plate 32 spaced from the holding table 31, and a second driving module 33 for controlling the movable pressing plate to move. The holding table 31 is boxed, an opening is formed in the top of the holding table 31, when the workpiece is placed in the holding table 31, the top edge of the holding table 31 is not higher than the top edge of the workpiece, so that the bottom of the movable pressing plate 32 can be in contact with the top of the workpiece, two parts on the workpiece are pressed, and the welding effect is guaranteed. A flexible pad 34 may be disposed on the bottom of the movable platen 32 to ensure uniform and stable pressure on the movable platen 32.

The stand 10 is provided with a cleaning module 40 for removing residual welding wire from the welding head 22. The cleaning module 40 comprises a box body 41 with an opening at the top, and an air nozzle 42 with an air outlet positioned inside the box body 41, wherein the tea leaves are arranged on the side wall of the box body 41. The air nozzle 42 communicates with an external air injection device and intermittently injects air according to a program setting. After the welding of the welding head 22 is completed, the welding head is extended into the box body 41 under the control of the first driving module 25. The gas nozzle 42 blows out high-pressure gas to blow down the crystal of the welding wire solidified by cooling on the welding head 22, thereby ensuring that a brand-new and completely melted welding wire is used for each welding.

The machine frame 10 is also provided with a laser emitting device 50 for removing the coating on the surface of the workpiece. The laser emitting device 50 has a laser emitting head and a driving module for driving the laser emitting head to move, so as to carve patterns or characters on the surface of the workpiece.

The top of the frame 10 is also provided with a robot arm 60 for transferring the work piece. The robot arm 60 includes a robot arm main body 61, and a holding device 62 provided at an end of the robot arm main body 61 for facilitating holding the workpiece. The mechanical arm main body 61 is of a multi-axis structure, so that operations in different directions and angles can be realized, and the operation is the prior art and is not repeated again. The clamping device 62 comprises a rotating shaft 621 arranged at the end of the mechanical arm, a connecting rod 622 inserted at one side of the rotating shaft 621, a rotary connecting block 623 arranged at the end of the connecting rod 622, at least one insert rod 624 inserted at the side of the rotary connecting block 623, and an expanding member 625 respectively sleeved at the end of each insert rod 624 and expanding after inflation. The rotation shaft 621 rotates to drive the connecting rod 622 to move the rotary connecting block 623, so that the connecting rod 622 can rotate at the end of the connecting rod 622, and the inserting rod 624 can be accurately inserted into the central through hole of the workpiece. The expansion piece 625 is a rubber sleeve, and after the expansion piece 625 is inflated and expanded, the workpiece is clamped outside the insertion rod 624, so that the position of the workpiece is convenient to transfer. In this embodiment, the number of the two insertion rods 624 is two, and the included angle between the two insertion rods 624 is 90 degrees, so that two workpieces can be transferred simultaneously, and the space occupied by a plurality of mechanical arms is avoided.

Compared with the prior art, the utility model provides a spot welder has used supply line device 23, the cooperation the soldered connection 22 can be quick weld the work piece. The pressing module 30 can press the welding surface after the welding is completed, so that the welding flux can be fully filled between two parts to be welded, the strength of the welding part is improved, the surface of the welded workpiece can be ensured to be smooth, and the appearance of the raised part is not influenced.

The above description is only for the preferred embodiment of the present invention and should not be construed as limiting the scope of the present invention, and any modification, equivalent replacement or improvement within the spirit of the present invention is encompassed by the claims of the present invention.

Claims (8)

1. A quick spot welder for welding a part on a workpiece and pressing a workpiece to ensure welding strength, characterized in that: the rapid spot welding machine comprises a welding module and a pressing module used for pressing a welded workpiece, wherein the welding module comprises a welding equipment main body, a welding head arranged at the bottom of the welding equipment main body and a wire supply device arranged on the side face of the welding equipment main body, the pressing module comprises a containing table used for containing the workpiece and a movable pressing plate arranged at an interval with the containing table, and the movable pressing plate is provided with a second driving module used for driving the movable pressing plate to press the workpiece on the containing table.

2. A rapid spot welder as recited in claim 1, characterized by: the wire feeding device comprises a vertical installation plate arranged on one side of the outside of the welding equipment body, a spool rotatably installed on the installation plate, and a wire feeding assembly arranged on the installation plate in a rotating mode, wherein a welding wire is wound on the spool, and the wire feeding assembly continuously rotates to pull the welding wire to the welding head.

3. A rapid spot welder according to claim 1, characterized in that: and one side of the movable pressing plate, which is opposite to the workpiece, is provided with a flexible pad.

4. A rapid spot welder as recited in claim 1, characterized by: the spot welding machine further comprises a mechanical arm used for transferring the position of the workpiece, and the mechanical arm comprises a mechanical arm main body and a clamping device arranged at the tail end of the mechanical arm main body.

5. A rapid spot welder according to claim 4, characterized in that: the clamping device comprises a rotating shaft arranged at the tail end of the mechanical arm main body, a connecting rod inserted and connected to one side of the rotating shaft, a rotary connecting block arranged at the tail end of the connecting rod, at least one inserting rod inserted and connected to the side face of the rotary connecting block, and expansion members which are sleeved at the tail end of each inserting rod respectively and expand after being inflated.

6. A rapid spot welder according to claim 5, characterized in that: the quantity of inserted bar is two, the inserted bar sets up respectively on two different sides of swivelling joint piece, the contained angle between the inserted bar is 90.

7. A rapid spot welder as recited in claim 1, characterized by: the spot welding machine further comprises a cleaning module used for removing welding wires solidified on the welding head, the cleaning module comprises a box body with an open top and an air nozzle with a head inserted into the side face of the box body, and the air nozzle is used for blowing air at intervals so as to remove the welding wires remained on the welding head.

8. A rapid spot welder according to claim 1, characterized in that: the spot welder further comprises a laser emitting device.

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