CN115430960A

CN115430960A - Automatic spot welding equipment for mounting nut on power frequency starting disc and spot welding method thereof

Info

Publication number: CN115430960A
Application number: CN202211157202.8A
Authority: CN
Inventors: 卞光辉
Original assignee: Dongze Energy Saving Technology Suzhou Co ltd
Current assignee: Dongze Energy Saving Technology Suzhou Co ltd
Priority date: 2022-09-22
Filing date: 2022-09-22
Publication date: 2022-12-06

Abstract

The invention discloses automatic spot welding equipment for mounting nuts on a power frequency starting disc and a spot welding method of the automatic spot welding equipment, and belongs to the field of power frequency starting disc production equipment. An automatic spot welding device for mounting nuts on a power frequency starting disc and a spot welding method of the automatic spot welding device comprise a workbench, wherein a spot welding mechanism for welding the starting disc and the nuts is arranged on the workbench, a servo motor is fixed on the workbench, a rotary disc is fixed at the output shaft end of the servo motor through a speed reducer, fixing holes are formed in the rotary disc at equal intervals, connecting rods are slidably mounted in the fixing holes, limiting dies are fixed at the top ends of the four connecting rods, and a first mounting plate is arranged above the workbench; according to the invention, through the arrangement of the first U-shaped plate, the positive and negative motors, the threaded rod, the first rectangular block, the first L-shaped plate, the third cylinder and the first moving seat, the positions of the first mounting plate, the electric push rod and the clamping mechanism can be changed, so that the starting disc can be conveniently clamped and can be mounted in the limiting die.

Description

Automatic spot welding equipment for mounting nut on power frequency starting disc and spot welding method thereof

Technical Field

The invention relates to the technical field of power frequency starting disc production equipment, in particular to automatic spot welding equipment for mounting nuts on a power frequency starting disc and a spot welding method thereof.

Background

The starting disc of the power frequency air compressor has the functions of automatic conversion, phase interruption/loss, phase error/reversed phase sequence protection, the whole-process control of the air compressor is implemented by a microcomputer, various parameters can be preset and modified, important parameters such as the operating current, the temperature, the pressure and the like of a main computer of the air compressor can be randomly sampled and displayed on a screen of a main interface, and as the starting disc of the power frequency air compressor is required to be provided with a nut on the surface during production, the starting disc of the power frequency air compressor is convenient to install, and spot welding equipment is required to be used for welding the nut;

when welding nuts, the starting disc and the nuts need to be assembled to enable the starting disc and the nuts to correspond to the welding heads, but when the traditional spot welding equipment is used, all the starting discs are usually fixed firstly, the nuts are inserted into holes, two processes cannot be carried out simultaneously, and therefore the required time for welding is long, the working efficiency is poor, and the labor intensity is high.

Disclosure of Invention

The invention aims to solve the problems that in the prior art, the installation of a starting disc and a nut cannot be carried out simultaneously, so that the welding time is long, the working efficiency is poor, and the labor intensity is high.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a power frequency starts automatic spot welding equipment of dish installation nut, includes the workstation, be provided with the spot welding mechanism who is used for welding start-up dish and nut on the workstation, be fixed with servo motor on the workstation, servo motor's output axle head is fixed with the carousel through the reduction gear, the fixed orifices has been seted up to the equidistance on the carousel, equal slidable mounting has the connecting rod, four in the fixed orifices the top of connecting rod all is fixed with spacing mould, the top of workstation is equipped with first mounting panel, the top of workstation is equipped with the second mounting panel, install the start-up dish assembly devices who is used for driving first mounting panel to remove on the workstation, there is nut assembly devices through the coupling mechanism linkage on the start-up dish assembly devices, nut assembly devices can drive the second mounting panel and remove, all be fixed with electric putter on first mounting panel and the second mounting panel, the one end of electric putter extension rod is all installed and is got the mechanism.

Preferably, the spot welding mechanism comprises a vertical plate fixed on the workbench, a first air cylinder is fixed on one side of the vertical plate, a moving block is fixed at one end of an extension rod of the first air cylinder, an installation frame is fixed on the moving block, a second air cylinder is fixed on the installation frame, an installation block is fixed at the bottom end of the extension rod of the second air cylinder, and a welding head is installed at the bottom of the installation block.

Preferably, the starting disc assembling mechanism comprises a first U-shaped plate fixed on the workbench, a positive and negative motor is fixed on one side of the first U-shaped plate, a threaded rod is fixed at an output shaft end of the positive and negative motor, the threaded rod is rotatably connected with the first U-shaped plate through a bearing, a first rectangular block is in threaded connection with the outer surface of the threaded rod, a first L-shaped plate is fixed on one side of the first rectangular block, a third cylinder is fixed on one side of the first L-shaped plate, a first movable seat is fixed at one end of an extension rod of the third cylinder, the first mounting plate is fixed at the top of the first movable seat, a first cross rod is fixed on the first U-shaped plate, and the first rectangular block slides on the outer surface of the first cross rod.

Preferably, coupling mechanism is including fixing the main bevel gear dish in threaded rod one end, the surface engagement of main bevel gear dish is connected with inferior bevel gear dish, the axle center department of inferior bevel gear dish is fixed with the bull stick, be fixed with two supporting seats on the workstation, the bull stick passes through the bearing and rotates the connection in the supporting seat, the one end of bull stick is fixed with first gear, the top of workstation is equipped with the second gear, be connected through the gear belt transmission between first gear and the second gear.

Preferably, nut assembly devices is including fixing the second U-shaped plate at the workstation top, the axle center department of second gear is fixed with the lead screw, the lead screw passes through the bearing and is connected with the rotation of second U-shaped plate, the surface threaded connection of lead screw has the second rectangular block, be fixed with the second horizontal pole on the second U-shaped plate, the second rectangular block slides the surface at the second horizontal pole, a side of second rectangular block is fixed with second L-shaped plate, a side of second L-shaped plate is fixed with the fourth cylinder, the one end of fourth cylinder extension rod is fixed with the second and removes the seat, the top that the seat was removed at the second is fixed to the second mounting panel.

Preferably, the clamping mechanism comprises a rectangular plate fixed at the bottom end of the electric push rod extension rod, a polygonal plate is fixed at the bottom of the rectangular plate, the two side faces of the polygonal plate are connected with oblique strips through rotating shafts in a rotating mode, the other ends of the oblique strips are connected with fixing strips through rotating shafts in a rotating mode, a direct current motor is fixed on one side face of the polygonal plate, a driving gear disc is fixed at the output shaft end of the direct current motor, a driven gear disc is connected to the outer surface of the driving gear disc in a meshed mode, a connecting gear disc is connected to the outer surface of the driven gear disc in a meshed mode, the driven gear disc and the connecting gear disc are connected with the polygonal plate through rotating shafts in a rotating mode, connecting strips are fixed to the outer surfaces of the driven gear disc and the connecting gear disc, and one end of each connecting strip is connected with the fixing strip through a rotating shaft in a rotating mode.

Preferably, a side symmetry of mounting bracket is fixed with two connecting blocks, the top of connecting block all is fixed with the gag lever post, the installation piece slides in the surface of gag lever post.

Preferably, a starting disc placing box for placing a power frequency starting disc is fixed on the workbench, and a nut placing box for placing a nut is fixed on the workbench.

Preferably, a cavity is formed in the workbench, and the front face of the cavity is hinged with a sliding door through a hinge.

A spot welding method of automatic spot welding equipment for mounting nuts on a power frequency starting disc comprises the following steps:

s1: when the starting disc and the nut are assembled, the third air cylinder is started, the first moving seat is driven to move leftwards, the first mounting plate and the electric push rod are driven to move leftwards together, the electric push rod is started, the clamping mechanism is driven to move downwards, the starting disc is clamped by the clamping mechanism, the third air cylinder is started again, the first mounting plate and the electric push rod are reset, the positive motor and the negative motor are started, the positive motor and the negative motor drive the threaded rod to rotate, the limiting effect of the first transverse rod is matched, the first rectangular block and the first mounting plate are driven to move towards the limiting die, the starting disc is moved to the position above the limiting die, the limitation on the starting disc is removed through the clamping mechanism, and the starting disc is placed in the limiting die;

s2: when the threaded rod rotates, the main bevel gear disc and the secondary bevel gear disc are driven to rotate, the rotating rod and the first gear are driven to rotate together, the second gear and the screw rod are driven to rotate under the transmission action of a gear belt, when the threaded rod drives the first mounting plate to move forwards, the second rectangular block is driven to move backwards under the limiting action of the second cross rod, at the moment, the fourth cylinder is started to drive the second movable seat, the second mounting plate and the electric push rod to move rightwards, the clamping mechanism is driven to move downwards through the electric push rod, the nut is clamped by the clamping mechanism, and after clamping, the second movable seat and the second mounting plate are reset through the fourth cylinder;

s3: when will start the dish and place in spacing mould, reverse start positive and negative motor, open servo motor simultaneously, servo motor drive carousel rotates, drive spacing mould simultaneously and start the dish and rotate, make and start the dish and rotate to the position corresponding with the second mounting panel, move backward through positive and negative motor drive first mounting panel and electric putter, linkage effect through coupling mechanism and nut assembly device, thereby drive second mounting panel and electric putter and move forward, make the nut of pressing from both sides the clamp and get and remove to the top of starting the dish, remove the restriction to the nut through pressing from both sides the mechanism of getting, make the nut tentatively install on starting the dish, make both can go on simultaneously.

Compared with the prior art, the invention provides the automatic spot welding equipment for the mounting nut of the power frequency starting disc and the spot welding method thereof, and the automatic spot welding equipment has the following beneficial effects:

1. this power frequency starting disc mounting nut automatic spot welding equipment and spot welding method thereof through the setting of first U-shaped board, positive and negative motor, threaded rod, first rectangle piece, first L-shaped board, third cylinder and first removal seat, can change first mounting panel, electric putter and press from both sides the position of getting the mechanism, conveniently presss from both sides the clamp to starting disc to make it to install in spacing mould.

2. This power frequency starting disc mounting nut automatic spot welding equipment and spot welding method thereof through mutually supporting between second U-shaped plate, lead screw, second rectangle piece, second horizontal pole, second L-shaped plate, fourth cylinder and the second removal seat, can change the second mounting panel and press from both sides the position of getting the mechanism, conveniently presss from both sides the nut and gets, makes it can tentatively install on starting disc.

3. This power frequency starts set mounting nut automatic spot welding equipment and spot welding method, through main bevel gear dish, inferior bevel gear dish, the bull stick, a supporting seat, first gear, mutually supporting between second gear and the gear belt, make and start set assembly devices and nut assembly devices and can operate simultaneously, reduce the quantity of drive power supply, reduce installation cost, make it need not will start after set is whole to be placed, just can the mounting nut, can go on simultaneously, it is long when reducing the welding, high work efficiency, low in labor strength.

4. This power frequency starts dish mounting nut automatic spot welding equipment and spot welding method, through the setting of rectangular plate, polygonal plate, gib block, fixed strip, direct current motor, initiative toothed disc, driven toothed disc, connecting gear dish and connecting strip, can press from both sides starting dish and the nut of equidimension not and get comparatively convenient.

The parts not involved in the device are the same as or can be realized by adopting the prior art, the nuts can be installed without placing all the starting discs, the processes can be carried out simultaneously, the welding time is shortened, the working efficiency is high, the labor intensity is low, the starting disc assembling mechanism and the nut assembling mechanism can run simultaneously, the number of driving power sources is reduced, and the installation cost is reduced.

Drawings

FIG. 1 is a front view of an industrial frequency starting disc mounting nut automatic spot welding device and a spot welding method thereof according to the present invention;

FIG. 2 is a structural rear view of an industrial frequency starting disc mounting nut automatic spot welding device and a spot welding method thereof according to the present invention;

FIG. 3 is a structural side view of an industrial frequency starting disc mounting nut automatic spot welding device and a spot welding method thereof according to the present invention;

FIG. 4 is a schematic structural diagram of a turntable of an industrial frequency starting disk mounting nut automatic spot welding device and a spot welding method thereof according to the present invention;

FIG. 5 is a schematic structural diagram of a limiting die of the power frequency starting disc mounting nut automatic spot welding equipment and the spot welding method thereof provided by the invention;

FIG. 6 is a schematic diagram of a spot welding mechanism of an automatic spot welding device for a power frequency starting disc mounting nut and a spot welding method thereof according to the invention;

FIG. 7 is a schematic view of a connection mechanism of an industrial frequency starting disc mounting nut automatic spot welding device and a spot welding method thereof according to the present invention;

FIG. 8 is a schematic view of a starting disk assembly mechanism of an industrial frequency starting disk mounting nut automatic spot welding device and a spot welding method thereof provided by the invention;

FIG. 9 is a schematic view of a nut assembly mechanism of an industrial frequency starting disc mounting nut automatic spot welding device and a spot welding method thereof according to the present invention;

fig. 10 is a schematic view of an automatic spot welding device for mounting nuts on a power frequency starting disc and a clamping mechanism of a spot welding method thereof.

In the figure: 1. a work table; 2. a spot welding mechanism; 201. a vertical plate; 202. a first cylinder; 203. a moving block; 204. a mounting frame; 205. a second cylinder; 206. mounting blocks; 207. a welding head; 3. a servo motor; 4. a speed reducer; 5. a turntable; 6. a fixing hole; 7. a connecting rod; 8. limiting a die; 9. a first mounting plate; 10. a second mounting plate; 11. a starting disc assembly mechanism; 1101. a first U-shaped plate; 1102. a positive and negative motor; 1103. a threaded rod; 1104. a first rectangular block; 1105. a first L-shaped plate; 1106. a third cylinder; 1107. a first movable base; 1108. a first cross bar; 12. a connecting mechanism; 1201. a main bevel gear disc; 1202. a secondary bevel gear disc; 1203. a rotating rod; 1204. a supporting base; 1205. a first gear; 1206. a second gear; 1207. a gear belt; 13. a nut assembly mechanism; 1301. a second U-shaped plate; 1302. a screw rod; 1303. a second rectangular block; 1304. a second cross bar; 1305. a second L-shaped plate; 1306. a fourth cylinder; 1307. a second movable base; 14. an electric push rod; 15. a gripping mechanism; 1501. a rectangular plate; 1502. a polygonal plate; 1503. oblique strips; 1504. a fixing strip; 1505. a direct current motor; 1506. a driving gear plate; 1507. a driven gear plate; 1508. connecting a gear disc; 1509. a connecting strip; 16. connecting blocks; 17. a limiting rod; 18. starting a tray placing box; 19. a nut placing box; 20. and (5) sliding the door.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1-10, an automatic spot welding device for mounting nuts on a power frequency starting disc comprises a workbench 1, a spot welding mechanism 2 for welding a starting disc and nuts is arranged on the workbench 1, a servo motor 3 is fixed on the workbench 1, a rotary disc 5 is fixed at the output shaft end of the servo motor 3 through a speed reducer 4, fixing holes 6 are equidistantly formed in the rotary disc 5, connecting rods 7 are evenly and slidably mounted in the fixing holes 6, limiting dies 8 are fixed on the top ends of the four connecting rods 7, a first mounting plate 9 is arranged above the workbench 1, a second mounting plate 10 is arranged above the workbench 1, a starting disc assembly mechanism 11 for driving the first mounting plate 9 to move is mounted on the workbench 1, a nut assembly mechanism 13 is linked on the starting disc assembly mechanism 11 through a connecting mechanism 12, the nut assembly mechanism 13 can drive the second mounting plate 10 to move, electric push rods 14 are fixed on the first mounting plate 9 and the second mounting plate 10, an extension rod of the electric push rods 15 is mounted at one end of the electric push rods, a starting disc placement box 18 for placing the starting disc is fixed on the workbench 1, a power frequency starting disc placement box 19 is fixed on the workbench 1, a cavity for placing nuts is hinged to a nut placement box 20, and a pull door 20 is hinged to the workbench.

In the invention, when in use, the starting disc is placed in the starting disc placing box 18, the nut is placed in the nut placing box 19, the first mounting plate 9 is driven to move leftwards by the starting disc assembling mechanism 11, the electric push rod 14 and the clamping mechanism 15 are driven to move above the starting disc, the clamping mechanism 15 is driven to move downwards by the electric push rod 14, the starting disc is clamped by the clamping mechanism 15, after clamping, the first mounting plate 9 and the clamping mechanism 15 are reset, the first mounting plate 9 and the clamping mechanism 15 are driven to move towards the direction of the limiting die 8 by the starting disc assembling mechanism 11, the starting disc is moved above the limiting die 8, the limitation to the starting disc is removed by the clamping mechanism 15, the starting disc is placed in the limiting die 8, different limiting dies 8 can be replaced by the arrangement of the fixing hole 6 and the connecting rod 7, and the starting discs with different sizes can be matched conveniently, when the starting disc assembling mechanism 11 is operated, the nut assembling mechanism 13 can be driven to operate together, the first mounting plate 9 is driven to move forwards, the second mounting plate 10 is driven to move backwards, similarly, the nut assembling mechanism 13 is driven to move the second mounting plate 10 rightwards, the clamping mechanism 15 is driven to move to the upper part of the nut, the clamping mechanism 15 is driven to move downwards by the electric push rod 14, the nut is clamped by the clamping mechanism 15, the second mounting plate 10 is reset after clamping, then, the starting disc assembling mechanism 11 is started reversely, the first mounting plate 9 is driven to move backwards, the second mounting plate 10 is driven to move forwards, the turntable 5 and the limiting die 8 are driven to rotate by the servo motor 3, the starting disc is rotated to the lower part of the nut, the limitation on the nut is relieved by the clamping mechanism 15, and the nut is installed on the starting disc, after installing, restart servo motor 3 makes the well assembled start-up dish and nut rotate to the below of spot welding mechanism 2, welds start-up dish and nut through spot welding mechanism 2, need not to start-up the dish and all place after, just can the mounting nut, can go on simultaneously, and it is long when reducing the welding, work efficiency is high, intensity of labour is little, through opening sliding door 20, can place the intracavity including the part that needs when welding, and is comparatively convenient.

Example 2:

referring to fig. 1-10, an automatic spot welding device for mounting nuts on a power frequency starting disc comprises a workbench 1, a spot welding mechanism 2 for welding a starting disc and nuts is arranged on the workbench 1, a servo motor 3 is fixed on the workbench 1, a rotary disc 5 is fixed at the output shaft end of the servo motor 3 through a reducer 4, fixing holes 6 are equidistantly formed in the rotary disc 5, connecting rods 7 are slidably mounted in the fixing holes 6, limiting dies 8 are fixed at the top ends of the four connecting rods 7, a first mounting plate 9 is arranged above the workbench 1, a second mounting plate 10 is arranged above the workbench 1, a starting disc assembling mechanism 11 for driving the first mounting plate 9 to move is mounted on the workbench 1, and a nut assembling mechanism 13 is linked to the starting disc assembling mechanism 11 through a connecting mechanism 12, the nut assembling mechanism 13 can drive the second mounting plate 10 to move, electric push rods 14 are fixed on the first mounting plate 9 and the second mounting plate 10, clamping mechanisms 15 are installed at one ends of extension rods of the electric push rods 14, the spot welding mechanism 2 comprises vertical plates 201 fixed on a workbench 1, a first air cylinder 202 is fixed on one side face of each vertical plate 201, a moving block 203 is fixed at one end of the extension rod of the first air cylinder 202, mounting frames 204 are fixed on the moving block 203, a second air cylinder 205 is fixed on the mounting frames 204, mounting blocks 206 are fixed at the bottom ends of the extension rods of the second air cylinder 205, welding heads 207 are installed at the bottoms of the mounting blocks 206, two connecting blocks 16 are symmetrically fixed on one side face of each mounting frame 204, limiting rods 17 are fixed at the tops of the connecting blocks 16, and the mounting blocks 206 slide on the outer surfaces of the limiting rods 17.

In the invention, when welding is needed, the first air cylinder 202 is started, the moving block 203 and the mounting frame 204 are driven to move forwards, the second air cylinder 205 is driven to move forwards together, the welding head 207 is driven to move to a place where a starting disc and a nut need to be welded, the second air cylinder 205 is started, the mounting block 206 and the welding head 207 are driven to move downwards to perform welding operation, the position of the welding head 207 can be adjusted through the arrangement of the first air cylinder 202, so that different positions can be welded, the mounting block 206 is limited through the arrangement of the connecting block 16 and the limiting rod 17, and the stability of the mounting block 206 and the welding head 207 in downward movement is enhanced.

Example 3:

referring to fig. 1-10, an automatic spot welding device for mounting nuts on a power frequency starting disc comprises a workbench 1, a spot welding mechanism 2 for welding a starting disc and nuts is arranged on the workbench 1, a servo motor 3 is fixed on the workbench 1, a rotary disc 5 is fixed at the output shaft end of the servo motor 3 through a reducer 4, fixing holes 6 are equidistantly formed in the rotary disc 5, connecting rods 7 are slidably mounted in the fixing holes 6, limiting dies 8 are fixed at the top ends of the four connecting rods 7, a first mounting plate 9 is arranged above the workbench 1, a second mounting plate 10 is arranged above the workbench 1, a starting disc assembling mechanism 11 for driving the first mounting plate 9 to move is mounted on the workbench 1, a nut assembling mechanism 13 is linked to the starting disc assembling mechanism 11 through a connecting mechanism 12, the nut assembling mechanism 13 can drive the second mounting plate 10 to move, electric push rods 14 are fixed on the first mounting plate 9 and the second mounting plate 10, the clamping mechanism 15 is installed at one end of an extension rod of the electric push rod 14, the starting disc assembling mechanism 11 comprises a first U-shaped plate 1101 fixed on the workbench 1, a positive and negative motor 1102 is fixed on one side face of the first U-shaped plate 1101, a threaded rod 1103 is fixed at an output shaft end of the positive and negative motor 1102, the threaded rod 1103 is rotatably connected with the first U-shaped plate 1101 through a bearing, a first rectangular block 1104 is connected to the outer surface of the threaded rod 1103 in a threaded mode, a first L-shaped plate 1105 is fixed on one side face of the first rectangular block 1104, a third cylinder 1106 is fixed on one side face of the first L-shaped plate 1105, a first movable seat 1107 is fixed at one end of the extension rod of the third cylinder 1106, the first mounting plate 9 is fixed at the top of the first movable seat 1107, a first cross rod 1108 is fixed on the first U-shaped plate 1101, and the first rectangular block 1104 slides on the outer surface of the first cross rod 1108.

In the invention, when a starting disc needs to be clamped, the third air cylinder 1106 is started to drive the first moving seat 1107 to move leftwards, so that the first mounting plate 9 and the electric push rod 14 move leftwards together, the electric push rod 14 is started to drive the clamping mechanism 15 to move downwards, the clamping mechanism 15 is used for clamping the starting disc, the third air cylinder 1106 is started again to reset the first mounting plate 9 and the electric push rod 14, the positive and negative motor 1102 is started, the positive and negative motor 1102 drives the threaded rod 1103 to rotate, the first rectangular block 1104 and the first mounting plate 9 are driven to move towards the limiting die 8 by matching with the limiting effect of the first cross rod 1108, so that the starting disc moves above the limiting die 8, the limitation on the starting disc is removed by the clamping mechanism 15, the starting disc is placed in the limiting die 8, and the starting disc can be initially installed.

Example 4:

referring to fig. 1-10, an automatic spot welding device for mounting nuts on a power frequency starting disc comprises a workbench 1, a spot welding mechanism 2 for welding a starting disc and nuts is arranged on the workbench 1, a servo motor 3 is fixed on the workbench 1, a rotary disc 5 is fixed at an output shaft end of the servo motor 3 through a speed reducer 4, fixing holes 6 are equidistantly formed in the rotary disc 5, connecting rods 7 are slidably mounted in the fixing holes 6, limiting dies 8 are fixed at the top ends of the four connecting rods 7, a first mounting plate 9 is arranged above the workbench 1, a second mounting plate 10 is arranged above the workbench 1, a starting disc assembling mechanism 11 for driving the first mounting plate 9 to move is mounted on the workbench 1, the starting disc assembling mechanism 11 is linked with a nut assembling mechanism 13 through a connecting mechanism 12, the nut assembling mechanism 13 can drive the second mounting plate 10 to move, electric push rods 14 are fixed on the first mounting plate 9 and the second mounting plate 10, one end of the electric push rods 14 are respectively provided with an extending rod 15, the connecting mechanism 12 comprises a main bevel gear disc 1201 fixed at one end of the threaded rod 1201, the main bevel gear 1201, the outer surface of the main bevel gear disc is meshed with a secondary bevel gear disc, a secondary bevel gear disc 1204 fixed on the outer surface of the main bevel gear disc 1202, a secondary bevel gear 1204, a rotating shaft 1204 fixed on the supporting base 1202, a rotating table 1202, a bearing 1204 fixed on the supporting base 1202, and a rotating shaft 1204 fixed bevel gear 1204, and a rotating shaft 1204 fixed bearing 1204 for clamping mechanism 1202 of the first mounting plate 1202, and a second bevel gear 1204, and a rotating shaft 1204.

In the invention, when the threaded rod 1103 rotates, the main bevel gear disc 1201 and the secondary bevel gear disc 1202 are driven to rotate, so that the rotating rod 1203 and the first gear 1205 rotate together, and the second gear 1206 and the lead screw 1302 are driven to rotate due to the transmission effect of the gear belt 1207, so that the starting disc assembling mechanism 11 can drive the nut assembling mechanism 13 to operate together while operating, the number of driving power supplies is reduced, and the installation cost is reduced.

Example 5:

referring to fig. 1-10, an automatic spot welding device for mounting nuts on a power frequency starting disc comprises a workbench 1, a spot welding mechanism 2 for welding a starting disc and nuts is arranged on the workbench 1, a servo motor 3 is fixed on the workbench 1, a rotary disc 5 is fixed at the output shaft end of the servo motor 3 through a speed reducer 4, fixing holes 6 are equidistantly formed in the rotary disc 5, connecting rods 7 are slidably mounted in the fixing holes 6, limiting dies 8 are fixed at the top ends of the four connecting rods 7, a first mounting plate 9 is arranged above the workbench 1, a second mounting plate 10 is arranged above the workbench 1, a starting disc assembling mechanism 11 for driving the first mounting plate 9 to move is mounted on the workbench 1, a nut assembling mechanism 13 is linked on the starting disc assembling mechanism 11 through a connecting mechanism 12, the nut assembling mechanism 13 can drive the second mounting plate 10 to move, electric push rods 14 are fixed on the first mounting plate 9 and the second mounting plate 10, the one end of the extension pole of the electric push rod 14 is all installed with the clamping mechanism 15, the starting disc assembly mechanism 11 includes the first U-shaped plate 1101 fixed on the workbench 1, one side of the first U-shaped plate 1101 is fixed with the positive and negative motor 1102, the output shaft end of the positive and negative motor 1102 is fixed with the threaded rod 1103, the threaded rod 1103 is rotatably connected with the first U-shaped plate 1101 through the bearing, the outer surface of the threaded rod 1103 is connected with the first rectangular block 1104 in a threaded manner, one side of the first rectangular block 1104 is fixed with the first L-shaped plate 1105, one side of the first L-shaped plate 1105 is fixed with the third cylinder 1106, one end of the extension pole of the third cylinder 1106 is fixed with the first movable seat 1107, the first mounting plate 9 is fixed on the top of the first movable seat 1107, the first U-shaped plate 1101 is fixed with the first cross bar 1108, the first rectangular block 1104 slides on the outer surface of the first cross bar 1108, the connecting mechanism 12 comprises a main bevel gear disc 1201 fixed at one end of a threaded rod 1103, a secondary bevel gear disc 1202 is connected to the outer surface of the main bevel gear disc 1201 in a meshed mode, a rotating rod 1203 is fixed at the axis of the secondary bevel gear disc 1202, two supporting seats 1204 are fixed on the workbench 1, the rotating rod 1203 is rotatably connected in the supporting seats 1204 through bearings, a first gear 1205 is fixed at one end of the rotating rod 1203, a second gear 1206 is arranged above the workbench 1, the first gear 1205 is in transmission connection with the second gear 1206 through a gear belt 1207, the nut assembling mechanism 13 comprises a second U-shaped plate 1301 fixed at the top of the workbench 1, a lead screw 1302 is fixed at the axis of the second gear 1206, the lead screw 1302 is rotatably connected with a second U-shaped plate 1301 through a bearing, a second rectangular block 1303 is connected to the outer surface of the lead screw 1302 in a threaded mode, a second cross rod 1304 is fixed on the second U-shaped plate 1301, the second rectangular block 1303 slides on the outer surface of the second cross rod 1304, a second L-shaped plate 1303 is fixed on one side surface of the second rectangular block 1303, a fourth cylinder 1306 is fixed on one end of the second rectangular block 1306, and a second cylinder 1307 is fixed on the second mounting plate 1306, and a second cylinder base 10 extending seat.

In the invention, when the screw rod 1302 rotates, the second rectangular block 1303 is driven to move backwards through the limiting action of the second cross rod 1304, at this time, the fourth cylinder 1306 is started to drive the second moving seat 1307, the second mounting plate 10 and the electric push rod 14 to move rightwards, the clamping mechanism 15 is driven to move downwards through the electric push rod 14, the nut is clamped by the clamping mechanism 15, after clamping, the second moving seat 1307 and the second mounting plate 10 are reset through the fourth cylinder 1306, then, the positive and negative motor 1102 is started in a reverse direction, the servo motor 3 is started simultaneously, the servo motor 3 drives the rotary disc 5 to rotate, the limiting die 8 and the starting disc are driven to rotate simultaneously, the starting disc is driven to rotate to a position corresponding to the second mounting plate 10, the first mounting plate 9 and the electric push rod 14 are driven to move backwards through the positive and negative motor 1102, the linkage action of the connecting mechanism 12 and the nut assembling mechanism 13 is used for driving the second mounting plate 10 and the electric push rod 14 to move forwards, the nut is driven to move to the starting disc above, the starting disc is removed from the limiting of the mechanism 15, the nut is mounted on the starting disc, the nut can be clamped initially, the nut can be clamped simultaneously, the welding work time and the welding work intensity is reduced, and the welding efficiency is reduced.

Example 6:

referring to fig. 1-10, an automatic spot welding device for mounting nuts on a power frequency starting disc comprises a workbench 1, a spot welding mechanism 2 for welding a starting disc and nuts is arranged on the workbench 1, a servo motor 3 is fixed on the workbench 1, a rotary disc 5 is fixed at the output shaft end of the servo motor 3 through a reducer 4, fixing holes 6 are equidistantly formed in the rotary disc 5, connecting rods 7 are slidably mounted in the fixing holes 6, limiting dies 8 are fixed at the top ends of the four connecting rods 7, a first mounting plate 9 is arranged above the workbench 1, a second mounting plate 10 is arranged above the workbench 1, a starting disc assembling mechanism 11 for driving the first mounting plate 9 to move is mounted on the workbench 1, a nut assembling mechanism 13 is linked to the starting disc assembling mechanism 11 through a connecting mechanism 12, the nut assembling mechanism 13 can drive the second mounting plate 10 to move, electric push rods 14 are fixed on the first mounting plate 9 and the second mounting plate 10, the clamping mechanism 15 is installed at one end of an extension rod of the electric push rod 14, the clamping mechanism 15 comprises a rectangular plate 1501 fixed at the bottom end of the extension rod of the electric push rod 14, a polygonal plate 1502 is fixed at the bottom of the rectangular plate 1501, two side surfaces of the polygonal plate 1502 are both rotatably connected with a bevel bar 1503 through a rotating shaft, the other end of the bevel bar 1503 is rotatably connected with a fixing bar 1504 through a rotating shaft, a direct current motor 1505 is fixed at one side surface of the polygonal plate 1502, a driving gear disc 1506 is fixed at an output shaft end of the direct current motor 1505, a driven gear disc 1507 is connected with the outer surface of the driving gear disc 1506 in a meshing manner, a connecting gear disc 1508 is connected with the outer surface of the driven gear disc 1507 in a meshing manner, the driven gear disc 1507 and the connecting gear disc 1508 are both rotatably connected with the polygonal plate 1502 through rotating shafts, and connecting bars 1508 are fixed on the outer surfaces of the driven gear disc 1507 and the connecting gear disc 1508, one end of the connecting strip 1509 is rotatably connected with the fixing strip 1504 through a rotating shaft.

According to the clamping device, when the fixed disc and the nut need to be clamped, the direct current motor 1505 is driven, the direct current motor 1505 drives the driving gear disc 1506 to rotate, so that the driven gear disc 1507 is driven to rotate, the connecting gear disc 1508 and the driven gear disc 1507 move oppositely, the connecting strip 1509 and the oblique strip 1503 are matched in connection, the two fixed strips 1504 are driven to move towards the middle, the fixed disc and the nut are clamped, and the fixed disc and the nut with different sizes can be clamped by adjusting the positions of the fixed strips 1504.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a power frequency starts automatic spot welding equipment of dish installation nut, includes workstation (1), its characterized in that, be provided with spot welding mechanism (2) that are used for welding start-up dish and nut on workstation (1), be fixed with servo motor (3) on workstation (1), the output axle head of servo motor (3) is fixed with carousel (5) through reduction gear (4), fixed orifices (6) have been seted up to equidistance on carousel (5), equal slidable mounting has connecting rod (7), four in fixed orifices (6) the top of connecting rod (7) all is fixed with spacing mould (8), the top of workstation (1) is equipped with first mounting panel (9), the top of workstation (1) is equipped with second mounting panel (10), install start-up dish assembly devices (11) that are used for driving first mounting panel (9) to remove on workstation (1), it has nut assembly devices (13) to link through coupling mechanism (12) on start-up dish assembly devices (11), nut assembly devices (13) second mounting panel (10) remove, but first mounting panel (9) and second mounting panel (10) and the equal extension rod (14) are all installed to electric putter (14).

2. The automatic spot welding device for power frequency starting disc mounting nuts according to claim 1, wherein the spot welding mechanism (2) comprises a vertical plate (201) fixed on the workbench (1), a first cylinder (202) is fixed on one side of the vertical plate (201), a moving block (203) is fixed at one end of an extension rod of the first cylinder (202), a mounting frame (204) is fixed on the moving block (203), a second cylinder (205) is fixed on the mounting frame (204), a mounting block (206) is fixed at the bottom end of the extension rod of the second cylinder (205), and a welding head (207) is mounted at the bottom of the mounting block (206).

3. The automatic spot welding device for industrial frequency starter disc mounting nuts according to claim 1, wherein the starter disc assembling mechanism (11) comprises a first U-shaped plate (1101) fixed on the workbench (1), a forward and reverse motor (1102) is fixed on one side of the first U-shaped plate (1101), a threaded rod (1103) is fixed on an output shaft end of the forward and reverse motor (1102), the threaded rod (1103) is rotatably connected with the first U-shaped plate (1101) through a bearing, a first rectangular block (1104) is connected to the outer surface of the threaded rod (1103) in a threaded manner, a first L-shaped plate (1105) is fixed on one side of the first rectangular block (1104), a third cylinder (1106) is fixed on one side of the first L-shaped plate (1105), a first moving seat (1107) is fixed on one end of an extension rod of the third cylinder (1106), a first mounting plate (9) is fixed on the top of the first moving seat (1107), a first cross rod (1108) is fixed on the first U-shaped plate (1108), and the first rectangular block (1104) slides on the outer surface (1108) of the first moving seat (1107).

4. The industrial frequency starting disc mounting nut automatic spot welding device according to claim 3, wherein the connecting mechanism (12) comprises a main bevel gear disc (1201) fixed at one end of a threaded rod (1103), a secondary bevel gear disc (1202) is connected to the outer surface of the main bevel gear disc (1201) in a meshing manner, a rotating rod (1203) is fixed at the axis of the secondary bevel gear disc (1202), two supporting seats (1204) are fixed on the workbench (1), the rotating rod (1203) is rotatably connected in the supporting seats (1204) through bearings, a first gear (1205) is fixed at one end of the rotating rod (1203), a second gear (1206) is arranged above the workbench (1), and the first gear (1205) is in transmission connection with the second gear (1206) through a gear belt (1207).

5. The industrial frequency starting disc mounting nut automatic spot welding device according to claim 4, wherein the nut assembling mechanism (13) comprises a second U-shaped plate (1301) fixed on the top of the workbench (1), a lead screw (1302) is fixed at the axis of the second gear (1206), the lead screw (1302) is rotatably connected with the second U-shaped plate (1301) through a bearing, a second rectangular block (1303) is connected to the outer surface of the lead screw (1302) in a threaded manner, a second cross rod (1304) is fixed on the second U-shaped plate (1301), the second rectangular block (1303) slides on the outer surface of the second cross rod (1304), a second L-shaped plate (1305) is fixed on one side surface of the second rectangular block (1303), a fourth cylinder (1306) is fixed on one side surface of the second L-shaped plate (1305), a second movable seat (1307) is fixed at one end of an extension rod of the fourth cylinder (1306), and the second mounting plate (10) is fixed on the top of the second movable seat (1307).

6. The automatic spot welding equipment for power frequency starting disc installation nuts as claimed in claim 1, wherein the clamping mechanism (15) comprises a rectangular plate (1501) fixed at the bottom end of an extension rod of an electric push rod (14), a polygonal plate (1502) is fixed at the bottom of the rectangular plate (1501), two side faces of the polygonal plate (1502) are both rotatably connected with a bevel bar (1503) through a rotating shaft, the other end of the bevel bar (1503) is rotatably connected with a fixing bar (1504) through a rotating shaft, a direct current motor (1505) is fixed at one side face of the polygonal plate (1502), a driving gear disc (1506) is fixed at an output shaft of the direct current motor (1505), a driven gear disc (1507) is connected with an outer surface of the driving gear disc (1506) in a meshed manner, a connecting gear disc (1508) is connected with an outer surface of the driven gear disc (1507) in a meshed manner, the driven gear disc (1507) and the connecting gear disc (1508) are both rotatably connected with the polygonal plate (1502) through a rotating shaft, a connecting bar (1509) is fixed at one end of the connecting gear disc (1509) and the connecting bar (1508).

7. The power frequency starting disc mounting nut automatic spot welding device as claimed in claim 2, wherein two connecting blocks (16) are symmetrically fixed on one side surface of the mounting frame (204), a limiting rod (17) is fixed on the top of each connecting block (16), and the mounting block (206) slides on the outer surface of the limiting rod (17).

8. The industrial frequency starting disk mounting nut automatic spot welding device according to claim 1, characterized in that a starting disk placing box (18) for placing an industrial frequency starting disk is fixed on the workbench (1), and a nut placing box (19) for placing a nut is fixed on the workbench (1).

9. The power frequency starting disc mounting nut automatic spot welding device according to claim 1, characterized in that a cavity is formed in the workbench (1), and a sliding door (20) is hinged to the front face of the cavity through a hinge.

10. The spot welding method of the power frequency starting disc mounting nut automatic spot welding equipment according to claim 5, characterized by comprising the following steps of:

s1: when the starting disc and the nut are assembled, a third air cylinder (1106) is started, a first moving seat (1107) is driven to move leftwards, the first mounting plate (9) and an electric push rod (14) move leftwards together, the electric push rod (14) is started, a clamping mechanism (15) is driven to move downwards, the starting disc is clamped by the clamping mechanism (15), the third air cylinder (1106) is started again, the first mounting plate (9) and the electric push rod (14) are reset, a positive and negative motor (1102) is started, the positive and negative motor (1102) drives a threaded rod (1103) to rotate, the limiting effect of a first cross rod (1108) is matched, so that a first rectangular block (1104) and the first mounting plate (9) are driven to move towards the direction of a limiting die (8), the starting disc is moved to the upper side of the limiting die (8), the limitation on the starting disc is removed through the clamping mechanism (15), and the starting disc is placed in the limiting die (8);

s2: when the threaded rod (1103) rotates, the main bevel gear disc (1201) and the secondary bevel gear disc (1202) are driven to rotate, the rotating rod (1203) and the first gear (1205) rotate together, the second gear (1206) and the screw rod (1302) are driven to rotate due to the transmission effect of the gear belt (1207), when the threaded rod (1103) drives the first mounting plate (9) to move forwards, the second rectangular block (1303) is driven to move backwards through the limiting effect of the second cross rod (1304), at the moment, the fourth air cylinder (1306) is started, the second moving seat (1307), the second mounting plate (10) and the electric push rod (14) are driven to move rightwards, the clamping mechanism (15) is driven to move downwards through the electric push rod (14), the clamping nut is clamped by the clamping mechanism (15), and after clamping, the second moving seat (1307) and the second mounting plate (10) are reset through the fourth air cylinder (1306);

s3: when placing the start-up dish in spacing mould (8), reverse start positive and negative motor (1102), open servo motor (3) simultaneously, servo motor (3) drive carousel (5) rotate, drive spacing mould (8) and start-up dish simultaneously and rotate, make the start-up dish rotate to the position corresponding with second mounting panel (10), move backward through positive and negative motor (1102) drive first mounting panel (9) and electric putter (14), the combined action through coupling mechanism (12) and nut assembly devices (13), thereby drive second mounting panel (10) and electric putter (14) and move forward, the nut that the messenger got to press from both sides removes to the top of starting up the dish, remove the restriction to the nut through pressing from both sides mechanism (15), make the nut tentatively install on starting up the dish, make both can go on simultaneously.