Automobile seat side plate reinforcing piece welding device

Abstract

The utility model relates to an automobile seat side plate reinforcing sheet welding device, which belongs to the field of automobile seat welding and comprises a workbench, a base, a support, a hydraulic cylinder, a welding machine, a hydraulic machine, an upper electrode assembly and a lower electrode assembly. The upper electrode assembly comprises an upper electrode base; the first upper electrode and the second upper electrode are respectively in threaded connection with the lower part of the upper electrode base; the first positioning pin and the second positioning pin are fixedly arranged at the lower part of the upper electrode base; the lower electrode assembly comprises a lower electrode base, a first lower electrode, a second lower electrode, a first positioning pin guide sleeve, a workpiece positioning pin and a second positioning pin guide sleeve, and the side plate positioning block and the workpiece positioning pin are arranged on the lower electrode base, so that good positioning between the seat side plate and the reinforcing sheet is ensured; the positioning pin and the positioning pin guide sleeve are respectively arranged on the upper electrode base and the lower electrode base, so that the upper electrode and the lower electrode are prevented from deviating when being in welding contact with a workpiece, the welding precision is improved, and the good welding of the workpiece is ensured.

Description

Technical Field

[0001] The utility model relates to the field of automobile seat welding, in particular to a welding device for a side panel reinforcement piece of an automobile seat. Background Art

[0002] Automobile seat side panels often require welding reinforcements to enhance their rigidity. Prior art simply places the seat side panel and reinforcement together before projection welding. This approach has the following drawbacks: 1. Poor positioning can easily lead to false welds, which can cause the workpiece to separate during subsequent use, posing a safety hazard; 2. During welding, the upper and lower electrodes can shift relative to the workpiece, affecting weld strength; and 3. The upper electrode can easily overheat during continuous welding, requiring machine downtime and waiting, impacting production line efficiency. Summary of the Invention

[0003] Aiming at the deficiencies of the prior art, the utility model develops a welding device for a side panel reinforcement piece of an automobile seat. The technical solution adopted by the present utility model is: a welding device for a side panel reinforcement plate of a car seat, characterized in that it includes a workbench 1, a base 15, a bracket 16, a hydraulic cylinder 17, a welding machine 21, a hydraulic press 22, an upper electrode assembly 2 and a lower electrode assembly 3; the base 15 is fixedly connected to the bracket 16 and is placed on the workbench 1; the hydraulic cylinder 17 is fixedly connected to the bracket 16; the hydraulic cylinder 17 is connected to the hydraulic press 22 by pipeline; the upper electrode assembly 2 includes an upper electrode base 4; a coolant channel 33 is provided in the upper electrode base 4; the liquid inlet pipe 25 and the liquid outlet pipe 26 are respectively connected to the coolant channel 33; the upper electrode 5 and the upper second electrode 8 are respectively threadedly connected to the lower part of the upper electrode base 4; the first positioning pin 6 and the second positioning pin 7 are fixedly arranged at the lower part of the upper electrode base 4; the first switch 23 and the second switch 24 are respectively fixedly arranged at the bottom of the first positioning pin 6 and the second positioning pin 7; the upper electrode base 4 is fixed to the piston rod of the hydraulic cylinder 17 Connection; insulating pad 31 is arranged between the upper electrode base 4 and the piston rod of the hydraulic cylinder 17; the lower electrode assembly 3 includes a lower electrode base 14; the lower electrode 9 and the lower second electrode 13 are respectively threadedly connected to the lower electrode base 14; the first positioning pin guide sleeve 10, the workpiece positioning pin 11 and the second positioning pin guide sleeve 12 are respectively fixedly connected to the lower electrode base 14; the lower electrode base 14 is detachably connected to the base 15; the upper electrode 5, the upper second electrode 8, the lower electrode 9 and the lower two electrodes 13 are electrically connected to the welding machine 21 respectively; the handle 27 and the side plate positioning block 28 are respectively fixedly set on the lower electrode base 14; the buzzer 18 is set on the workbench 1; the coolant pump 19 is connected to the coolant tank 20; the liquid inlet pipe 25 and the liquid outlet pipe 26 are respectively connected to the coolant pump 19; the proximity switch 32 is detachably connected to the bracket 16; the buzzer 18 is electrically connected to the first switch 23, the second switch 24 and the proximity switch 32 respectively.

[0004] The benefits of the present invention are as follows: 1. Since the side panel positioning blocks and workpiece positioning pins are provided on the lower electrode base, good positioning between the seat side panels and the reinforcement plates is ensured. The positioning pins and positioning pin guide sleeves respectively provided on the upper and lower electrode bases prevent the upper and lower electrodes from shifting with the workpiece during welding contact, thereby increasing the welding accuracy and ensuring good welding of the workpiece; 2. Since a coolant channel is provided in the upper electrode base, the coolant circulation is used to dissipate heat during the welding process, effectively preventing shutdown and cooling caused by overheating of the upper electrode base, thereby improving the efficiency of the production line. BRIEF DESCRIPTION OF THE DRAWINGS

[0005] Figure 1This is a schematic diagram of the structure of a welding device for a side panel reinforcement plate of an automobile seat according to the present invention;

[0006] Figure 2 yes Figure 1 A schematic bottom view of the structure of the upper electrode assembly;

[0007] Figure 3 yes Figure 1 A schematic front cross-sectional view of the upper electrode assembly structure;

[0008] Figure 4 yes Figure 1 A schematic top view of the structure of the lower electrode assembly;

[0009] Figure 5 yes Figure 1 A schematic top view of the lower electrode assembly after being installed in the side plates and reinforcement plates;

[0010] Figure 6 This is a schematic diagram of the main view of the welding process of the utility model;

[0011] In the figure: 1 workbench; 2 upper electrode assembly; 3 lower electrode assembly; 4 upper electrode base; 5 upper electrode; 6 first positioning pin; 7 second positioning pin; 8 upper second electrode; 9 lower electrode; 10 first positioning pin guide sleeve; 11 workpiece positioning pin; 12 second positioning pin guide sleeve; 13 lower second electrode; 14 lower electrode base; 15 base; 16 bracket; 17 hydraulic cylinder; 18 buzzer; 19 coolant pump; 20 coolant tank; 21 welding machine; 22 hydraulic press; 23 first switch; 24 second switch; 25 liquid inlet pipe; 26 liquid outlet pipe; 27 handle; 28 side panel positioning block; 29 side panel; 30 reinforcement plate; 31 insulating pad; 32 proximity switch; 33 coolant channel. DETAILED DESCRIPTION

[0012] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. The specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0013] like Figures 1 to 4As shown, the utility model is a welding device for a car seat side panel reinforcement plate, comprising: a workbench 1, a base 15, a bracket 16, a hydraulic cylinder 17, a welding machine 21, a hydraulic press 22, an upper electrode assembly 2 and a lower electrode assembly 3; the base 15 is fixedly connected to the bracket 16 and is placed on the workbench 1; the hydraulic cylinder 17 is fixedly connected to the bracket 16; the hydraulic cylinder 17 is connected to the hydraulic press 22 by pipeline; the upper electrode assembly 2 includes an upper electrode base 4; a coolant channel 33 is provided in the upper electrode base 4; the liquid inlet pipe 25 and the liquid outlet pipe 26 are respectively connected to the coolant channel 33; the upper electrode 5 and the upper second electrode 8 are respectively threadedly connected to the lower part of the upper electrode base 4; the first positioning pin 6 and the second positioning pin 7 are fixedly arranged at the lower part of the upper electrode base 4; the first switch 23 and the second switch 24 are respectively fixedly arranged at the bottom of the first positioning pin 6 and the second positioning pin 7; the upper electrode base 4 is fixedly connected to the piston rod of the hydraulic cylinder 17; the insulation The pad 31 is arranged between the upper electrode base 4 and the piston rod of the hydraulic cylinder 17; the lower electrode assembly 3 includes a lower electrode base 14; the lower electrode 9 and the lower second electrode 13 are respectively threadedly connected to the lower electrode base 14; the first positioning pin guide sleeve 10, the workpiece positioning pin 11 and the second positioning pin guide sleeve 12 are respectively fixedly connected to the lower electrode base 14; the lower electrode base 14 is detachably connected to the base 15; the upper electrode 5, the upper second electrode 8, the lower electrode 9 and the lower second electrode 13 are respectively electrically connected to the welding machine 21; the handle 27 and the side plate positioning block 28 are respectively fixedly arranged on the lower electrode base 14; the buzzer 18 is arranged on the workbench 1; the coolant pump 19 is connected to the coolant tank 20; the liquid inlet pipe 25 and the liquid outlet pipe 26 are respectively connected to the coolant pump 19; the proximity switch 32 is detachably connected to the bracket 16; the buzzer 18 is respectively electrically connected to the first switch 23, the second switch 24 and the proximity switch 32.

[0014] The handle 27 facilitates the movement of the lower electrode base 14 .

[0015] When doing specific operations, such as Figure 5 As shown, the worker first places the side panel 29 into the side panel positioning block 28, and the workpiece positioning pin 11 passes through the positioning hole pre-opened in the side panel 29; the worker places the reinforcement plate 30 on the side panel 29, and the workpiece positioning pin 11 also passes through the positioning hole pre-opened in the reinforcement plate 30. At this time, the positioning of the side panel 29 and the reinforcement plate 30 is completed.

[0016] like Figure 3 and Figure 6As shown, a worker operates the coolant pump 19. Coolant flows from the inlet pipe 25 into the coolant channel 33 within the upper electrode base 4 and back into the coolant tank 20 through the outlet pipe 26, continuously cooling the upper electrode base 4. The worker then operates the hydraulic press 22 to press the piston rod of the hydraulic cylinder 17 downward. When the upper electrode base 4 and the lower electrode base 14 are correctly aligned, the first and second locating pins 6 and 7 provided on the lower portion of the upper electrode base 4 can be smoothly inserted into the first and second locating pin guide sleeves 10 and 12, respectively, on the lower electrode base 14. The piston rod of the hydraulic cylinder 17 continues to press downward until the proximity switch 32 detects the upper electrode base 4. At this point, the buzzer 18 sounds an alarm, notifying the worker that the upper electrode base 4 is fully depressed, indicating that the upper electrode 5 and the lower electrode 9 are in good contact with the workpiece, and that the upper and lower electrodes 8 and 13 are in good contact with the workpiece. The worker then stops the hydraulic press 22. Finally, the worker operates the welding machine 21 to complete the welding of the workpiece.

[0017] When the upper electrode base 4 and the lower electrode base 14 are not positioned accurately, the first switch 23 and the second switch 24 at the lower ends of the first positioning pin 6 and the second positioning pin 7 will touch the outer walls of the first positioning pin guide sleeve 10 and the second positioning pin guide sleeve 12. At this time, the buzzer 18 will sound an alarm, prompting the worker to check the relative position of the upper electrode base 4 and the lower electrode base 14 to ensure that the upper and lower electrodes are accurately positioned to ensure welding accuracy and quality.

[0018] The above is only a preferred embodiment of the present invention. It should be pointed out that ordinary technicians in this technical field can make several improvements and modifications without departing from the principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A welding device for a side panel reinforcement of a car seat, characterized in that: The invention comprises a workbench (1), a base (15), a bracket (16), a hydraulic cylinder (17), a welding machine (21), a hydraulic press (22), an upper electrode assembly (2) and a lower electrode assembly (3); the base (15) is fixedly connected to the bracket (16) and is placed on the workbench (1); the hydraulic cylinder (17) is fixedly connected to the bracket (16); the hydraulic cylinder (17) is connected to the hydraulic press (22) by pipeline; the upper electrode assembly (2) comprises an upper electrode base (4); a cooling liquid channel (33) is provided in the upper electrode base (4); The liquid inlet pipe (25) and the liquid outlet pipe (26) are respectively connected to the cooling liquid channel (33); the upper electrode (5) and the upper second electrode (8) are respectively threadedly connected to the lower part of the upper electrode base (4); the first positioning pin (6) and the second positioning pin (7) are fixedly arranged at the lower part of the upper electrode base (4); the first switch (23) and the second switch (24) are respectively fixedly arranged at the bottom of the first positioning pin (6) and the second positioning pin (7); the upper electrode base (4) is fixedly connected to the piston rod of the hydraulic cylinder (17); the insulating pad (31) is arranged on the upper electrode between the electrode base (4) and the piston rod of the hydraulic cylinder (17); the lower electrode assembly (3) includes a lower electrode base (14); the lower electrode (9) and the lower second electrode (13) are respectively threadedly connected to the lower electrode base (14); the first positioning pin guide sleeve (10), the workpiece positioning pin (11) and the second positioning pin guide sleeve (12) are respectively fixedly connected to the lower electrode base (14); the lower electrode base (14) and the base (15) are detachably connected; the upper electrode (5), the upper second electrode (8), the lower electrode (9) and the lower second electrode (13) They are electrically connected to the welding machine (21) respectively; the handle (27) and the side plate positioning block (28) are fixedly arranged on the lower electrode base (14) respectively; the buzzer (18) is arranged on the workbench (1); the coolant pump (19) is connected to the coolant tank (20); the liquid inlet pipe (25) and the liquid outlet pipe (26) are respectively connected to the coolant pump (19); the proximity switch (32) is detachably connected to the bracket (16); the buzzer (18) is electrically connected to the first switch (23), the second switch (24) and the proximity switch (32) respectively.

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