CN207771136U - A kind of stitch welding machine - Google Patents

Abstract

The utility model provides an automatic spot welding machine, which includes a motor, a worktable, a spot welding module, a feeding module, a detection module and a feeding module. , the fixture is connected to the turntable through bolts, the feeding module, detection module, spot welding module and unloading module are connected to the workbench through bolts, and the feeding module is provided with two groups, which are respectively used for clamping The first loading module for the workpiece and the second loading module for clamping rivets; the detection module is provided with two groups, which are the first detection module for detecting whether the workpiece is placed on the fixture and the detection module for detecting The second detection module of whether the rivet is placed on the workpiece is in place; the first loading module, the first detection module, the second loading module, the second detection module, the spot welding module and the blanking module take the center of the turntable as the center of the circle in turn The surround is set on the bench.

Description

An automatic spot welding machine

technical field

The utility model relates to the field of mechanical automation, in particular to an automatic spot welding machine.

Background technique

In the prior art, the rivets on the brass terminals in the electrical field are usually fixed by manual spot welding machines, which require manual installation of the brass terminals on the fixture, and then place the rivets into the through holes that match the brass terminals Above, manual spot welding is performed through the welding head of the spot welding machine. This operation method is inefficient and slow, and the quality of the finished product obtained after welding is uneven, which cannot meet the requirements of high efficiency and high quality in modern production.

Most of the existing automatic machines transport the workpieces through vibrating discs, and then clamp the workpieces to the fixtures through the loading module. Each module is fixed on the workbench, it is not easy to disassemble and replace the station, and the scope of application is small.

Utility model content

Based on the above problems, the purpose of this utility model is to provide an automatic spot welding machine which is simple in structure, high in efficiency, easy to disassemble and can freely replace stations to be suitable for different processing workpieces.

In view of the above problems, the following technical solutions are provided: an automatic spot welding machine, including a motor, a worktable, a spot welding module, a feeding module, a detection module and a blanking module, the workbench is provided with a turntable, and the turntable There are several fixtures on the top, the fixtures are connected to the turntable through bolts, the loading module, detection module, spot welding module and unloading module are connected to the worktable through bolts, and the feeding module includes The first fixed plate, the support frame set on the first fixed plate, the clamps set on the support frame and the servo motor used to control the clamps to clamp the workpiece, the support frame is provided with a slide plate and a slide plate The matching slider, the clamp is set on the slider, and the clamp is driven by a servo motor to move up, down, left, and right. The feeding module is provided with two groups, which are respectively used for clamping The first loading module for the workpiece and the second loading module for clamping rivets; the detection module is provided with two groups, which are the first detection module for detecting whether the workpiece is placed on the fixture and the detection module for detecting The second detection module of whether the rivet is placed on the workpiece is in place; the first loading module, the first detection module, the second loading module, the second detection module, the spot welding module and the blanking module take the center of the turntable as the center of the circle in turn Surrounded on the workbench, the spot welding module includes a second fixed plate connected to the workbench, a fixed frame on the second fixed plate, a moving block on the fixed frame, a welding head and a The moving block moves up and down with a servo motor, and the welding head includes an upper welding head arranged at the bottom of the moving block and a lower welding head arranged opposite to the upper welding head.

In the above structure, the first loading module clamps the workpiece to the fixture and fixes it through the machine clamp, the turntable rotates, the first detection module detects whether the workpiece is fixed on the fixture, the fixture rotates to the second loading module, and the second loading The module clamps the rivet to the appropriate position on the workpiece, the turntable continues to rotate, the second detection module detects whether the rivet is placed in place, the fixture rotates to the spot welding module, the rivet is directly above the lower welding head, and the upper welding head moves downward to carry out Welding. After welding, the turntable rotates, and the fixture is turned to the unloading module. The unloading module clamps the completed workpiece from the fixture to the finished product area. The loading module, detection module, spot welding module and unloading module are connected to the workbench through bolts, which is convenient for changing stations to be suitable for different workpieces and different manufacturing processes, and has a wider scope of application. Setting several fixtures can increase work efficiency. The detection module can accurately detect the accuracy of the workpiece and the position of the rivet, which increases the quality of the product, ensures that each product is qualified, reduces the scrap rate, and reduces the cost.

The utility model is further configured that the unloading module includes an automatic screening device for screening qualified products, and the automatic screening device moves through a cylinder control.

By adopting the above-mentioned structure, finished products and waste products can be screened out, avoiding confusion between the two and affecting follow-up work.

The utility model is further configured that two sets of clamps are provided, and the two sets of clamps are arranged on the slider in parallel.

By adopting the above structure, the simultaneous use of two sets of clamps can increase the working efficiency.

Beneficial effects of the utility model: Compared with the existing automatic spot welding machine, the utility model has the advantages of simple structure, high efficiency, easy disassembly and free replacement of stations to be suitable for different processing workpieces, wide application range, high yield rate, easy to use long life.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a structural schematic diagram of the feeding module in the utility model.

Fig. 3 is a structural schematic diagram of the spot welding module in the present invention.

Meanings of symbols in the figure: 1-motor; 11-turntable; 111-fixture; 2-table; 3-spot welding module; 31-second fixed plate; 32-fixed frame; 33-moving block; ; 35-bottom welding head; 4-unloading module; 41-automatic screening device; 53-machine clip; 54-servo motor; 55-slider; 56-slider; 6-the first detection module; 7-the second detection module.

Detailed ways

Below in conjunction with accompanying drawing and embodiment, the specific embodiment of the utility model is described in further detail. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

A kind of automatic spot welding machine as shown in Figure 1 to Figure 3, comprises motor 1, workbench 2, spot welding module 3, loading module 5, detection module and blanking module 4, described workbench 2 is provided with Turntable 11, said turntable 11 is provided with several fixtures 111, and described fixture 111 is connected with turntable 11 by bolt, and described loading module 5, detection module, spot welding module 3 and unloading module 4 are connected to workbench by bolt 2, the loading module 5 includes a first fixed plate 51 connected to the workbench 2, a support frame 52 arranged on the first fixed plate 51, a machine clamp 53 arranged on the support frame 52, and a The machine clamp 53 clamps the servo motor 54 of the workpiece. The support frame 52 is provided with a slide plate 55 and a slide block 56 matched with the slide plate 55. The machine clamp 53 is arranged on the slide block 56 and is driven by the servo motor 54. The clamp 53 is displaced in the direction of up, down, left and right. The loading module 5 is provided with two groups, which are respectively the first loading module 501 for clamping workpieces and the second upper module 501 for clamping rivets. material module 502; the detection module is provided with two groups, which are respectively the first detection module 6 for detecting whether the workpiece is placed in place on the fixture 111 and the second detection module 7 for detecting whether the rivet is placed in place on the workpiece; The first loading module 501 , the first detection module 6 , the second loading module 502 , the second detection module 7 , the spot welding module 3 and the unloading module 4 are arranged on the workbench 2 successively around the center of the turntable 11 On, described spot welding module 3 comprises the second fixed plate 31 that is connected with workbench 2, the fixed frame 32 that is located on the second fixed plate 31, the moving block 33 that is located on the fixed frame 32, welding head and use Based on the servo motor 54 that controls the moving block 33 to move up and down, the welding head includes an upper welding head 34 disposed at the bottom of the moving block 33 and a lower welding head 35 disposed opposite to the upper welding head 34 .

In the above structure, the first loading module 501 clamps the workpiece to the fixture 111 through the machine clamp 53 and fixes it, the turntable 11 rotates, the first detection module 6 detects whether the workpiece is fixed in place on the fixture 111, and the fixture 111 rotates to the second upper The material module 502, the second material loading module 502 clamps the rivet to the suitable position on the workpiece, the turntable 11 continues to rotate, the second detection module 7 detects whether the rivet is placed in place, the clamp 111 rotates to the spot welding module 3, and the rivet is in Right above the lower welding head 35, the upper welding head 34 moves downward for welding. After welding, the turntable 11 rotates, and the clamp 111 is rotated to the blanking module 4, and the blanking module 4 clamps the completed workpiece from the clamp 111 to the Finished product area. The loading module 5, the detection module, the spot welding module 3 and the unloading module 4 are connected to the workbench 2 through bolts, so that it is convenient to replace the stations to be suitable for different workpieces and different manufacturing processes, and the scope of application is wider. Setting several clamps 111 can increase work efficiency. The detection module can accurately detect the accuracy of the workpiece and the position of the rivet, which increases the quality of the product, ensures that each product is qualified, reduces the scrap rate, and reduces the cost.

In this embodiment, the unloading module 4 includes an automatic screening device 41 for screening qualified products, and the automatic screening device 41 is moved by a cylinder control. It can screen out finished products and waste products to avoid confusion between the two and affect follow-up work.

In this embodiment, two groups of machine clips 53 are provided, and the two groups of machine clips 53 are arranged on the slider 56 in parallel. Two groups of machine clamps 53 use simultaneously and can increase work efficiency.

The above is only the preferred embodiment of the utility model, it should be pointed out that for those of ordinary skill in the art, without departing from the technical principle of the utility model, some improvements and modifications can also be made. These improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims (3)

1. An automatic spot welding machine, comprising motor, workbench, spot welding module, loading module, detection module and blanking module, is characterized in that: described workbench is provided with turntable, and described turntable is provided with several A fixture, the fixture is connected to the turntable through bolts, the loading module, the detection module, the spot welding module and the blanking module are connected to the workbench through bolts, and the feeding module includes a first fixing device connected to the workbench plate, a support frame on the first fixed plate, a machine clip on the support frame, and a servo motor for controlling the clamp to pick up the workpiece. The support frame is provided with a slide plate and a slide block matched with the slide plate , the clamp is arranged on the slider, and the clamp is driven by a servo motor to move up, down, left, and right. A feeding module and a second feeding module for clamping rivets; the detection module has two groups, which are respectively the first detection module for detecting whether the workpiece is placed on the fixture and the first detection module for detecting whether the rivet is placed on the workpiece The second detection module whether it is in place; the first loading module, the first detection module, the second loading module, the second detection module, the spot welding module and the unloading module are set around the center of the turntable in sequence in the working On the platform, the spot welding module includes a second fixed plate connected to the workbench, a fixed frame arranged on the second fixed plate, a moving block arranged on the fixed frame, a welding head, and a welding head for controlling the moving block to move up and down. The servo motor, the welding head includes an upper welding head arranged at the bottom of the moving block and a lower welding head arranged opposite to the upper welding head. 2. An automatic spot welding machine according to claim 1, characterized in that: the unloading module includes an automatic screening device for screening qualified products, and the automatic screening device moves through a cylinder control. 3. An automatic spot welding machine according to claim 1, characterized in that two sets of clamps are provided, and the two sets of clamps are arranged on the slider in parallel.