CN219274971U - Automobile seat headrest welding device - Google Patents

Abstract

The utility model relates to a welding device for a headrest of an automobile seat, which belongs to the field of welding of automobile seats and comprises a base, a protective frame, a welding mechanism, a turntable, a clamp mechanism and an air pump; the device comprises a liquid cooling device, a welding transformer and a PLC; the welding mechanism is arranged on the turntable and comprises a welding bracket; the upper cylinder and the lower cylinder are respectively fixedly connected with the welding bracket; the upper electrode seat and the lower electrode seat are respectively fixedly connected with piston rods of the upper cylinder and the lower cylinder; the upper welding head and the lower welding head are respectively connected with the upper electrode seat and the lower electrode seat; the clamp mechanism comprises a clamp bracket; the motor is fixedly connected with the clamp bracket; the fixed clamping jaw is connected with the motor; the fixture cylinder is fixedly connected with the fixed clamping jaw, and a piston rod of the fixture cylinder is fixedly connected with the movable clamping jaw; the blanking groove runs through the protection frame, and the workbin is arranged below the blanking groove, so that the rotatable clamp is adopted to clamp the seat headrest, and the rotary table is matched, so that the defects of low welding speed, poor precision and the like caused by full manual operation of workers are avoided, and the production cost is reduced.

Description

Automobile seat headrest welding device

Technical Field

The utility model relates to the field of automobile seat welding, in particular to an automobile seat headrest welding device.

Background

In the prior art, in the production process of the headrest of the automobile seat, the welding procedure generally adopts single-machine production, and the manual feeding, the reverse welding and the discharging of workers are required, and the defects are shown in the following steps: the manual feeding speed of workers is slow, the precision of the manual reverse welding is poor, the splashed welding slag also easily hurts the workers, the speed requirement of a production line cannot be met, the welding quality cannot be guaranteed, in order to improve the yield, enterprises need to increase the number of equipment and workers, and the equipment cost and the personnel cost are increased suddenly.

Disclosure of Invention

The utility model aims at the defects of the prior art and develops a welding device for a headrest of an automobile seat. The technical scheme adopted by the utility model is as follows: the welding device for the headrest of the automobile seat is characterized by comprising a base 1, a protective frame 2, a welding mechanism 4, a turntable 5, a clamp mechanism 7 and an air pump 21; a liquid cooling device 22, a welding transformer 23 and a PLC; the protection frame 2, the welding mechanism 4 and the rotary table 5 are respectively arranged on the base 1; the welding mechanism 4 is arranged on the turntable 5 and comprises a welding bracket 14; the upper cylinder 15 and the lower cylinder 18 are respectively fixedly connected with the welding bracket 14; the upper electrode seat 16 and the lower electrode seat 19 are respectively fixedly connected with piston rods of the upper cylinder 15 and the lower cylinder 18; the insides of the upper electrode seat 16 and the lower electrode seat 19 are respectively provided with a cooling liquid cavity; the first cooling liquid inlet pipe 27 and the first cooling liquid outlet pipe 28 are respectively communicated with the cooling liquid cavity of the upper electrode seat 16; the second cooling liquid inlet pipe 29 and the second cooling liquid outlet pipe 30 are respectively communicated with the cooling liquid cavity of the lower electrode seat 19; the upper welding head 17 and the lower welding head 20 are respectively connected with the upper electrode seat 16 and the lower electrode seat 19; the clamp mechanism 7 comprises a clamp bracket 9; the motor 10 is fixedly connected with the clamp bracket 9; the fixed clamping jaw 12 is connected with the motor 10; the clamp cylinder 11 is fixedly connected with the fixed clamping jaw 12, and a piston rod of the clamp cylinder is fixedly connected with the movable clamping jaw 13; the micro switch 25 is arranged inside the fixed clamping jaw 12; the material dropping groove 6 penetrates through the protective frame 2, and a material box 3 is arranged below the material dropping groove; the grating sensor 24 and the buzzer 26 are respectively arranged on the protective frame 2; the clamp cylinder 11, the upper cylinder 15 and the lower cylinder 18 are respectively connected with the air pump 21 through pipelines; the first cooling liquid inlet pipe 27, the first cooling liquid outlet pipe 28, the second cooling liquid inlet pipe 29, the second cooling liquid outlet pipe 30 and the welding transformer 23 are respectively connected with the pipeline of the liquid cooling device 22; the upper electrode seat 16 and the lower electrode seat 19 are respectively and electrically connected with the welding transformer 23; the turntable 5, the motor 10, the air pump 21, the welding transformer 23, the grating sensor 24, the micro switch 25 and the buzzer 26 are respectively and electrically connected with the PLC.

The utility model has the advantages that: because the rotatable clamp is used for clamping the seat headrest and the turntable is matched, the defects of low welding speed, poor precision and the like caused by full manual operation of workers are avoided, and the production cost is reduced; due to the fact that the protective frame is matched with the grating sensor, welding slag splashed to hurt workers is avoided, and safety of a production line is improved.

Drawings

FIG. 1 is a schematic top view of a car seat headrest welding device according to the present utility model;

FIG. 2 is an enlarged schematic top view of the structure of the clamp mechanism of FIG. 1;

FIG. 3 is a schematic view of the welding mechanism and the clamp mechanism of FIG. 1 from the left;

FIG. 4 is an enlarged schematic view of the stationary and movable jaws of FIG. 1 in a front view;

FIG. 5 is a schematic cross-sectional view of the upper electrode holder of FIG. 1;

FIG. 6 is a schematic cross-sectional view of the lower electrode holder of FIG. 1;

in the figure: 1, a base; 2, a protective frame; 3, a material box; 4, a welding mechanism; 5, a turntable; 6, a material dropping groove; 7, a clamp mechanism; 8, a seat headrest; 9 a clamp bracket; a 10 motor; 11 a clamp cylinder; 12, fixing clamping jaws; 13, a movable clamping jaw; 14 welding a bracket; 15 upper air cylinders; 16 upper electrode base; 17 a welding head; 18, lower air cylinder; 19 lower electrode base; 20 lower welding heads; a 21 air pump; a 22 liquid cooling device; 23 welding a transformer; a 24-grating sensor; 25 micro-switches; a 26 buzzer; 27 a first cooling fluid inlet; 28 a first coolant outlet; 29 a second coolant inlet; 30 a second cooling fluid outlet.

Detailed Description

The present utility model is described in further detail below with reference to the drawings and the specific embodiments, which are presented herein for purposes of illustration only and not for limitation.

As shown in fig. 1 to 6, the present utility model includes: the device comprises a base 1, a protective frame 2, a welding mechanism 4, a turntable 5, a clamp mechanism 7 and an air pump 21; a liquid cooling device 22, a welding transformer 23 and a PLC; the protection frame 2, the welding mechanism 4 and the rotary table 5 are respectively arranged on the base 1; the welding mechanism 4 is arranged on the turntable 5 and comprises a welding bracket 14; the upper cylinder 15 and the lower cylinder 18 are respectively fixedly connected with the welding bracket 14; the upper electrode seat 16 and the lower electrode seat 19 are respectively fixedly connected with piston rods of the upper cylinder 15 and the lower cylinder 18; the insides of the upper electrode seat 16 and the lower electrode seat 19 are respectively provided with a cooling liquid cavity; the first cooling liquid inlet pipe 27 and the first cooling liquid outlet pipe 28 are respectively communicated with the cooling liquid cavity of the upper electrode seat 16; the second cooling liquid inlet pipe 29 and the second cooling liquid outlet pipe 30 are respectively communicated with the cooling liquid cavity of the lower electrode seat 19; the upper welding head 17 and the lower welding head 20 are respectively connected with the upper electrode seat 16 and the lower electrode seat 19; the clamp mechanism 7 comprises a clamp bracket 9; the motor 10 is fixedly connected with the clamp bracket 9; the fixed clamping jaw 12 is connected with the motor 10; the clamp cylinder 11 is fixedly connected with the fixed clamping jaw 12, and a piston rod of the clamp cylinder is fixedly connected with the movable clamping jaw 13; the micro switch 25 is arranged inside the fixed clamping jaw 12; the material dropping groove 6 penetrates through the protective frame 2, and a material box 3 is arranged below the material dropping groove; the grating sensor 24 and the buzzer 26 are respectively arranged on the protective frame 2; the clamp cylinder 11, the upper cylinder 15 and the lower cylinder 18 are respectively connected with the air pump 21 through pipelines; the first cooling liquid inlet pipe 27, the first cooling liquid outlet pipe 28, the second cooling liquid inlet pipe 29, the second cooling liquid outlet pipe 30 and the welding transformer 23 are respectively connected with the pipeline of the liquid cooling device 22; the upper electrode seat 16 and the lower electrode seat 19 are respectively and electrically connected with the welding transformer 23; the turntable 5, the motor 10, the air pump 21, the welding transformer 23, the grating sensor 24, the micro switch 25 and the buzzer 26 are respectively and electrically connected with the PLC.

During specific operation, a worker places the seat headrest 8 between the fixed clamping jaw 12 and the movable clamping jaw 13 of the clamp mechanism 7 from the opening of the protective frame 2, and operates the machine to start, and the liquid cooling device 22 starts to work to cool the upper electrode seat 16, the lower electrode seat 19 and the welding transformer 23; subsequently, the PLC controls the air pump 21 to retract the piston rod of the clamp cylinder 11, the seat headrest 8 is clamped by the fixed clamping jaw 12 and the movable clamping jaw 13, at the moment, the seat headrest 8 triggers the micro switch 25 in the fixed clamping jaw 12, the PLC judges that the seat headrest 8 is in a normal clamped state, after the worker withdraws both hands from the protective frame 2, the grating sensor 24 sends a signal to the PLC, the PLC controls the turntable 5 to rotate clockwise, so that the clamped seat headrest 8 rotates to the position of the welding mechanism 4, as shown in fig. 2, the PLC controls the air pump 21 to enable the piston rods of the upper cylinder 15 and the lower cylinder 18 to extend oppositely, the upper electrode seat 16 and the lower electrode seat 19 are forced to move oppositely, the upper welding head 17 and the lower welding head 20 clamp the seat headrest 8, and the PLC controls the welding transformer 23 to work so as to finish the welding of one side of the seat headrest 8; subsequently, the PLC controls the air pump 21 to retract the piston rods of the upper cylinder 15 and the lower cylinder 18, the upper welding head 17 and the lower welding head 20 are separated from the seat headrest 8, the PLC controls the motor 10 to rotate 180 degrees, the welding of the other side of the seat headrest 8 is completed according to the operation, and finally the welding of the two sides of the seat headrest 8 is completed.

While the former headrest is in the welding position, as shown in fig. 1, the other clamp mechanism on the turntable 5 faces the opening of the protective frame 2, and during the welding of the former headrest, the worker causes the clamp mechanism to clamp the next headrest in the same manner, and the apparatus welds the headrest one by one in the same manner.

When a seat headrest rotates with the turntable 5 to above the blanking groove 6, the PLC controls the air pump 21 to loosen the fixed clamping jaw 12 and the movable clamping jaw 13, and the seat headrest falls into the blanking groove 6 and falls into the material box 3 along the blanking groove 6.

When the seat headrest is not clamped in the fixed clamping jaw 12 and the movable clamping jaw 13, the micro switch 25 cannot be triggered, and the PLC controls the buzzer 26 to give an alarm to prompt a worker to clamp the seat headrest.

When the worker has not withdrawn the protective frame 2 from both hands, the grating sensor 24 sends a signal to the PLC, and the PLC does not control the device to operate so as to prevent the hands of the worker from being damaged.

According to the embodiment of the utility model, five identical clamp mechanisms are arranged on the turntable, so that the clamp mechanisms can be increased or reduced according to specific requirements, and the opening position of the protective frame can be correspondingly adjusted.

The foregoing is merely a preferred embodiment of the utility model, and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the utility model, which are intended to be comprehended within the scope of the utility model.

Claims (1)

1. The welding device for the headrest of the automobile seat is characterized by comprising a base (1), a protective frame (2), a welding mechanism (4), a turntable (5), a clamp mechanism (7) and an air pump (21); a liquid cooling device (22), a welding transformer (23) and a PLC; the protection frame (2), the welding mechanism (4) and the turntable (5) are respectively arranged on the base (1); the welding mechanism (4) is arranged on the rotary table (5) and comprises a welding bracket (14); the upper cylinder (15) and the lower cylinder (18) are respectively and fixedly connected with the welding bracket (14); the upper electrode seat (16) and the lower electrode seat (19) are respectively and fixedly connected with piston rods of the upper cylinder (15) and the lower cylinder (18); the insides of the upper electrode seat (16) and the lower electrode seat (19) are respectively provided with a cooling liquid cavity; the first cooling liquid inlet pipe (27) and the first cooling liquid outlet pipe (28) are respectively communicated with the cooling liquid cavity of the upper electrode seat (16); the second cooling liquid inlet pipe (29) and the second cooling liquid outlet pipe (30) are respectively communicated with the cooling liquid cavity of the lower electrode seat (19); the upper welding head (17) and the lower welding head (20) are respectively connected with the upper electrode seat (16) and the lower electrode seat (19); the clamp mechanism (7) comprises a clamp bracket (9); the motor (10) is fixedly connected with the clamp bracket (9); the fixed clamping jaw (12) is connected with the motor (10); the clamp cylinder (11) is fixedly connected with the fixed clamping jaw (12), and a piston rod of the clamp cylinder is fixedly connected with the movable clamping jaw (13); the micro switch (25) is arranged in the fixed clamping jaw (12); the material dropping groove (6) penetrates through the protective frame (2), and a material box (3) is arranged below the material dropping groove; the grating sensor (24) and the buzzer (26) are respectively arranged on the protective frame (2); the clamp cylinder (11), the upper cylinder (15) and the lower cylinder (18) are respectively connected with the air pump (21) through pipelines; the first cooling liquid inlet pipe (27), the first cooling liquid outlet pipe (28), the second cooling liquid inlet pipe (29), the second cooling liquid outlet pipe (30) and the welding transformer (23) are respectively connected with the liquid cooling device (22) through pipelines; the upper electrode seat (16) and the lower electrode seat (19) are respectively and electrically connected with the welding transformer (23); the rotary table (5), the motor (10), the air pump (21), the welding transformer (23), the grating sensor (24), the micro switch (25) and the buzzer (26) are respectively and electrically connected with the PLC.

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