A spot welding structure of an automatic welding machine

Abstract

The present application relates to the field of welding machines, and discloses a spot welding structure of an automatic welding machine, comprising a workbench, a support frame is fixedly installed on the top of the workbench, a push plate is arranged at the bottom of the support frame, an electric push rod is fixedly installed on the top of the support frame, the output end of the electric push rod is transmission-connected with the push plate, a slide groove is arranged at the bottom of the push plate, a first slider and a second slider are slidably installed in the slide groove, and a clamping plate is fixedly installed at the bottom of the first slider and the second slider; the clamping plate can facilitate the installation of welding heads of different sizes, so that it is suitable for different workpiece materials and welding requirements, and the pressure can be evenly transmitted to the workpiece through the pressure plate and the elastic connection component, so as to ensure the stability and consistency of the welding process, and the spring can absorb the vibration and impact generated during the welding process, reduce the deformation and vibration of the workpiece during the welding process, so as to improve the welding quality and precision.

Description

Technical Field

[0001] The present application relates to the field of welding machines, and in particular to a spot welding structure of an automatic welding machine. Background Art

[0002] With the continuous development of science and technology, welding machines play an increasingly important role in the mechanical production process. Welding is a metal manufacturing process and technology that uses heating and high temperature to join metals to achieve material fixation. The welding process is usually completed with a welding machine.

[0003] The existing Chinese patent with announcement number CN204122921U discloses an automatic spot welding mechanism of a guide rail automatic welding machine, which belongs to the field of mechanical technology. The automatic spot welding mechanism of the guide rail automatic welding machine includes a frame and a vibration plate for conveying hanging feet. The automatic spot welding mechanism of the guide rail automatic welding machine includes a welding table fixed on the frame, and a pusher assembly for pushing the hanging feet from the output port of the vibration plate to the welding table is fixed on the frame. The pusher assembly includes a cylinder 1 and a pusher plate fixed at the front end of the push rod of the cylinder 1; the frame is also provided with a cylinder 2 and a movable plate that can slide horizontally along the frame, and the movable plate is driven by the cylinder 2, and the cylinder 3 is fixed on the movable plate. The front end of the push rod of the cylinder 3 is fixedly connected with a slider, and a welding rod is fixed on the slider, and the welding rod is located directly above the welding table. The automatic spot welding mechanism of the guide rail automatic welding machine has a simple structure, a high degree of automation, and high economic benefits.

[0004] However, the above-mentioned electric welding mechanism has the following disadvantages: the device realizes automatic spot welding by setting up a frame and a vibration plate, but when the device welds the workpiece, the vibration generated will cause the workpiece to vibrate, thereby causing the welding position to shift, reducing the quality and accuracy of the welding, and it is not convenient to replace welding heads of different sizes, and cannot meet the welding requirements of different workpiece materials.

[0005] Therefore, we propose a spot welding structure of an automatic welding machine to solve this problem.

[0006] The above information disclosed in the background technology is only used to increase the understanding of the background technology of the present application, and therefore, it may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content

[0007] In order to solve the problem of vibration during welding and the need to replace welding heads of different sizes, the present application provides a spot welding structure of an automatic welding machine.

[0008] The spot welding structure of an automatic welding machine provided in this application adopts the following technical solution:

[0009] A spot welding structure of an automatic welding machine comprises a workbench, a support frame is fixedly installed on the top of the workbench, a push plate is arranged at the bottom of the support frame, an electric push rod is fixedly installed on the top of the support frame, the output end of the electric push rod is transmission connected with the push plate, a slide groove is arranged at the bottom of the push plate, a first slider and a second slider are slidably installed in the slide groove, a clamping plate is fixedly installed at the bottom of the first slider and the second slider, elastic connection components are arranged at the four corners of the bottom of the push plate, pressure plates are arranged at the bottom of multiple elastic connection components, and a driving mechanism is arranged in the slide groove.

[0010] Preferably, anti-slip pads are fixedly mounted on opposite sides of the two clamping plates.

[0011] Preferably, the driving mechanism includes a first screw, a second screw and a knob, the first screw and the second screw are both located inside the slide groove, the first screw and the second screw are fixedly connected, the first screw and the second screw rotate coaxially, the thread directions of the first screw and the second screw are opposite, the first screw passes through the first slider, the first screw is threadedly connected to the first slider, the second screw passes through the second slider, the second screw is threadedly connected to the second slider, and a knob is fixedly installed on the end of the first screw away from the push plate.

[0012] Preferably, the elastic connection assembly includes a connecting tube, a connecting column and a spring. The four corners of the bottom of the push plate are fixedly installed with connecting tubes, multiple springs are arranged inside the connecting tubes, and multiple connecting tubes are arranged at the bottom of the connecting tubes. The connecting column is elastically connected to the connecting tube through the spring, and the bottom ends of the multiple connecting columns are fixedly connected to the top of the pressure plate.

[0013] Preferably, a welding head is provided between the two clamping plates.

[0014] In summary, the present application includes the following beneficial technical effects: through the clamp, it is convenient to install welding heads of different sizes, so that it is suitable for different workpiece materials and welding requirements; through the pressure plate and the elastic connection assembly, the pressure can be evenly transferred to the workpiece, thereby ensuring stability and consistency during the welding process; and the spring can absorb the vibration and impact generated during the welding process, reduce the deformation and vibration of the workpiece during the welding process, thereby improving the welding quality and accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of an embodiment of the application;

[0016] Figure 2 It is a schematic diagram of the main cross-sectional structure of an embodiment of the application;

[0017] Figure 3 is an enlarged structural schematic diagram of location A of an embodiment of the application;

[0018] Figure 4 It is a schematic diagram of the three-dimensional cross-sectional structure of the driving mechanism of the application embodiment.

[0019] Explanation of the accompanying drawings: 1. Workbench; 2. Support frame; 3. Welding head; 4. Push plate; 5. Electric push rod; 6. Knob; 7. Connecting cylinder; 8. Connecting column; 9. Pressure plate; 10. Spring; 11. Anti-slip pad; 12. Second slider; 13. Second screw; 14. First slider; 15. First screw; 16. Clamp. DETAILED DESCRIPTION

[0020] The following is combined with Figure 1-4 This application is described in further detail.

[0021] The present application embodiment discloses a spot welding structure of an automatic welding machine, referring to Figure 1-4 , a spot welding structure of an automatic welding machine, comprising a workbench 1, a support frame 2 is fixedly installed on the top of the workbench 1, a push plate 4 is arranged at the bottom of the support frame 2, an electric push rod 5 is fixedly installed on the top of the support frame 2, the output end of the electric push rod 5 is transmission-connected with the push plate 4, a slide groove is arranged at the bottom of the push plate 4, a first slider 14 and a second slider 12 are slidably installed in the slide groove, a clamping plate 16 is fixedly installed at the bottom of the first slider 14 and the second slider 12, elastic connection components are arranged at the four corners of the bottom of the push plate 4, a plurality of the elastic connection components are arranged at the bottom of a pressing plate 9, and a driving mechanism is arranged in the slide groove; when in use, the driving mechanism can be manually rotated, and the driving mechanism drives the first slider 14 and the second slider 12 to move closer to or away from each other, and the first slider 14 and the second slider 12 drive the two clamping plates 16 are moved closer to or farther away from each other, so that the welding heads 3 of different sizes required are fixed between the two clamping plates 16, and then the workpiece to be welded is placed on the workbench 1, and the electric push rod 5 is started. The electric push rod 5 pushes the push plate 4 downward, and the push plate 4 drives the elastic connection component to move downward, and the elastic connection component drives the pressure plate 9 to move downward, and reaches the bottom. The pressure plate 9 is pressed on the top of the workpiece to be welded, so that the workpiece remains stable during welding; through the clamping plate 16, it is convenient to install welding heads 3 of different sizes, so that it is suitable for different workpiece materials and welding requirements. Through the pressure plate 9 and the elastic connection component, the pressure can be evenly transmitted to the workpiece, so as to ensure stability and consistency during the welding process, and the spring 10 can absorb the vibration and impact generated during the welding process, reduce the deformation and vibration of the workpiece during the welding process, so as to improve the welding quality and accuracy.

[0022] Reference Figure 4 The opposite sides of the two clamping plates 16 are fixedly mounted with anti-slip pads 11 to prevent the welding head 3 from shifting.

[0023] Reference Figure 2 and Figure 4 The driving mechanism includes a first screw 15, a second screw 13 and a knob 6, the first screw 15 and the second screw 13 are both located inside the slide groove, the first screw 15 and the second screw 13 are fixedly connected, the first screw 15 and the second screw 13 rotate coaxially, the thread directions of the first screw 15 and the second screw 13 are opposite, the first screw 15 passes through the first slider 14, the first screw 15 is threadedly connected to the first slider 14, the second screw 13 passes through the second slider 12, the second screw 13 is threadedly connected to the second slider 12, and the first screw 15 is fixedly installed with a knob 6 at one end away from the push plate 4, which can drive the two clamping plates 16 to test or move away from each other, thereby clamping welding heads 3 of different sizes.

[0024] Reference Figure 2-4 The elastic connection component includes a connecting tube 7, a connecting column 8 and a spring 10. The four corners of the bottom of the push plate 4 are fixedly installed with connecting tubes 7, and multiple springs 10 are arranged inside the connecting tubes 7. The bottoms of multiple connecting tubes 7 are provided with connecting columns 8. The connecting columns 8 are elastically connected to the connecting tubes 7 through the springs 10. The bottom ends of multiple connecting columns 8 are fixedly connected to the top of the pressure plate 9, which can absorb the vibration and impact generated during the welding process and reduce the deformation and vibration of the workpiece during the welding process.

[0025] Reference Figure 1 , Figure 2 and Figure 4 A welding head 3 is provided between the two clamping plates 16, and the workpiece can be welded.

[0026] The implementation principle of the spot welding structure of an automatic welding machine in the embodiment of the present application is as follows: when in use, the knob 6 can be manually rotated, and the knob 6 drives the first screw 15 and the second screw 13 to rotate, and the first screw 15 and the second screw 13 drive the first slider 14 and the second slider 12 to move closer to or away from each other, and the first slider 14 and the second slider 12 drive the two clamping plates 16 to move closer to or away from each other, so that the required welding heads 3 of different sizes are fixed between the two clamping plates 16, and then the workpiece to be welded is placed on the workbench 1, and the electric push rod 5 is started. The electric push rod 5 pushes the push plate 4 downward, and the push plate 4 drives the elastic connection component to move downward, and the elastic connection component drives the pressure plate 9 to move downward and reach the bottom. The pressure plate 9 is pressed on the top of the workpiece to be welded, so that the workpiece remains stable during welding.

[0027] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0028] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0029] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

[0030] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A spot welding structure of an automatic welding machine, comprising a workbench (1), characterized in that: A support frame (2) is fixedly installed on the top of the workbench (1), a push plate (4) is arranged at the bottom of the support frame (2), an electric push rod (5) is fixedly installed on the top of the support frame (2), the output end of the electric push rod (5) is transmission-connected with the push plate (4), a slide groove is arranged at the bottom of the push plate (4), a first slider (14) and a second slider (12) are slidably installed in the slide groove, a clamping plate (16) is fixedly installed at the bottom of the first slider (14) and the second slider (12), elastic connection components are arranged at the four corners of the bottom of the push plate (4), a plurality of the elastic connection components are arranged at the bottom with a pressure plate (9), and a driving mechanism is arranged in the slide groove.

2. The spot welding structure of an automatic welding machine according to claim 1, characterized in that: Anti-slip pads (11) are fixedly mounted on opposite sides of the two clamping plates (16).

3. The spot welding structure of an automatic welding machine according to claim 1, characterized in that: The driving mechanism comprises a first screw rod (15), a second screw rod (13) and a knob (6); the first screw rod (15) and the second screw rod (13) are both located inside the slide groove; the first screw rod (15) and the second screw rod (13) are fixedly connected; the first screw rod (15) and the second screw rod (13) rotate coaxially; the thread directions of the first screw rod (15) and the second screw rod (13) are opposite; the first screw rod (15) passes through the first slider (14); the first screw rod (15) is threadedly connected to the first slider (14); the second screw rod (13) passes through the second slider (12); the second screw rod (13) is threadedly connected to the second slider (12); and a knob (6) is fixedly mounted on one end of the first screw rod (15) away from the push plate (4).

4. The spot welding structure of an automatic welding machine according to claim 1, characterized in that: The elastic connection assembly comprises a connection tube (7), a connection column (8) and a spring (10); the four corners of the bottom of the push plate (4) are fixedly mounted with a connection tube (7); a plurality of the connection tubes (7) are provided with a spring (10) inside; a plurality of the connection tubes (7) are provided with a connection column (8) at the bottom; the connection column (8) is elastically connected to the connection tube (7) via the spring (10); and the bottom ends of the plurality of connection columns (8) are fixedly connected to the top of the pressure plate (9).

5. The spot welding structure of an automatic welding machine according to claim 2, characterized in that: A welding head (3) is arranged between the two clamping plates (16).

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