CN212217424U - Intelligent automatic spot welding special machine - Google Patents

Abstract

The utility model discloses an intelligent automatic spot welding special machine, which comprises two groups of welding equipment; the blanking mechanical arm is arranged between the two groups of welding equipment; the electric control cabinet is electrically connected with the welding equipment and the blanking mechanical arm; the welding apparatus includes: a welding station; a first spot welding mechanism; a second spot welding mechanism; first spot welding mechanism and second spot welding mechanism carry out spot welding operation to the product of centre gripping on the welding station, the utility model discloses owing to adopted the duplex position form to adopted automatic welding mechanism, cooperate the arm unloading, only need an operator just can realize the productivity of several times of traditional mode, greatly promoted production efficiency, reduced the cost of labor.

Description

Intelligent automatic spot welding special machine

Technical Field

The utility model relates to automation equipment especially involves an automatic spot welder special plane of intelligence.

Background

The tool cabinet that uses in the mill generally all is that the metal is made, likewise, drawer (drawer) that the tool cabinet used also are made by the metal, consequently need weld when producing the tool cabinet drawer, in order to guarantee its joint strength, and traditional mode of production, constitute by many standard resistance welding machines, the one-point welding, accomplish the welding through the mode of cloth wire body, and every drawer is because the reason of its structure, need two panels around the welding, totally eight solder joints, consequently, need 8 stations of a line, need 8 operators, the productivity is very low, the cost of labor is very high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can carry out intelligent automatic spot welding special plane of spot welding to the tool cabinet drawer automatically.

The utility model provides an intelligence automatic spot welding special plane, include: two sets of welding equipment; the blanking mechanical arm is arranged between the two groups of welding equipment; the electric control cabinet is electrically connected with the welding equipment and the blanking mechanical arm respectively; the welding apparatus includes: a welding station; the first spot welding mechanism is arranged on one side of the welding station; the second spot welding mechanism is arranged on the other side of the welding station; and the first spot welding mechanism and the second spot welding mechanism perform spot welding operation on the product clamped on the welding station.

As a further aspect of the present invention: the welding station includes: welding a station base; the spot welding fixture rails are arranged along the length direction of the welding station base and are arranged at positions, close to two sides, on the upper surface of the welding station base; the spot welding fixture driving device is arranged along the length direction of the welding station base and is arranged on the side surface of the welding station base; the lifting mechanism is arranged in the welding station base, and the position of the lifting mechanism corresponds to the first spot welding mechanism and the second spot welding mechanism; spot welding anchor clamps, the adjustable shelf locate on the spot welding anchor clamps track, can along spot welding anchor clamps track activity, spot welding anchor clamps pass through spot welding anchor clamps connecting block with spot welding anchor clamps drive arrangement swing joint works as spot welding anchor clamps are located when lifting mechanism is directly over, can by lifting mechanism is fixed and lift.

As a further aspect of the present invention: the lifting mechanism comprises: a lifting mechanism support; the lifting mechanism driving motor is fixed on the lifting mechanism bracket; the lifting mechanism movable block is movably fixed on the lifting mechanism support through a slide rail and performs lifting movement on the lifting mechanism support; the lifting mechanism screw is connected with the lifting mechanism movable block through a nut and is in transmission connection with the lifting mechanism driving motor through a synchronous wheel synchronous belt, and the lifting mechanism driving motor drives the lifting mechanism screw to rotate so as to enable the lifting mechanism movable block to move up and down; the lifting mechanism platform is arranged at the top of the lifting mechanism movable block and used for supporting the spot welding fixture; the lifting mechanism fixing clamping jaw is arranged on the lifting mechanism platform, and when the spot welding fixture is lifted by the lifting mechanism platform, the spot welding fixture is fixed on the lifting mechanism platform by the action of the fixing clamping jaw; and the lifting mechanism positioning device is arranged on the lifting mechanism platform, and when the lifting mechanism platform supports the spot welding fixture, the spot welding fixture is positioned so as to ensure that the fixed clamping jaw of the lifting mechanism can stably clamp the spot welding fixture and ensure the stability during lifting.

As a further aspect of the present invention: the spot welding jig includes: the clamp bottom plate is erected on the spot welding clamp rail through a pulley; the anchor clamps movable part includes: the clamp moving part rail is arranged on the clamp bottom plate, and the direction of the clamp moving part rail is vertical to the spot welding clamp rail; the clamp movable part mounting plate is movably arranged on the clamp movable part track; the clamp movable part triangular connecting block is movably arranged on the clamp movable part mounting plate, and the movable direction of the clamp movable part triangular connecting block is the same as that of the clamp movable part mounting plate; the clamp movable part clamping plate is vertically fixed on the clamp movable part triangular connecting block and can move together with the clamp movable part triangular connecting block; the clamp movable part push-pull air cylinder is fixed on the clamp movable part mounting plate, and a piston of the clamp movable part push-pull air cylinder is fixed on the clamp movable part clamping plate and can drive the clamp movable part clamping plate to move; the clamp movable part back splint is fixed on the clamp movable part mounting plate, and when the piston of the clamp movable part push-pull cylinder is pushed out, the clamp movable part splint is tightly attached to the clamp movable part back splint to clamp a workpiece; the anchor clamps fixed part, with the corresponding setting of anchor clamps movable part includes: the clamp fixing part bracket is fixed on the clamp bottom plate; the clamp fixing part clamping plate is fixed on the clamp fixing part bracket and is parallel to the clamp movable part clamping plate; the clamp fixing part push-pull air cylinder is fixed on the clamp plate of the clamp fixing part, and a piston of the clamp fixing part push-pull air cylinder penetrates through the clamp plate of the clamp fixing part; the clamp fixing part back splint is movably arranged on the clamp fixing part through a clamp fixing part guide rod, a piston of the clamp fixing part push-pull cylinder is fixed with the clamp fixing part back splint, and when the piston of the clamp fixing part push-pull cylinder retracts, the clamp fixing part back splint approaches to and clings to the clamp fixing part splint; the four side clamps are arranged in pairs to form a group, wherein the group is arranged on the clamp movable part mounting plate, is respectively positioned on two sides of the clamp movable part clamping plate and is positioned in the plane of the clamp movable part clamping plate; the other group is arranged on the clamp bottom plate, is respectively positioned at two sides of the clamp fixing part clamping plate and is positioned in the plane where the clamp fixing part clamping plate is positioned.

As a further aspect of the present invention: the first spot welding mechanism includes: the first spot welding mechanism feeding track A is arranged on the machine table and is vertical to the welding station; the first spot welding mechanism feeding track B is arranged on the first spot welding mechanism feeding track A, and the direction of the first spot welding mechanism feeding track B is parallel to the welding station; a first spot welding mechanism feeding track C, the direction of which is parallel to the welding station and is positioned above the first spot welding mechanism feeding track B; the first spot welding mechanism feeding track C and the first spot welding mechanism feeding track B are fixed together through a plate and driven by a first spot welding mechanism driving device A to move together on the first spot welding mechanism feeding track A; a first spot welding mechanism spot welding gun A which is arranged at one end of the first spot welding mechanism feeding track B and can carry out position adjustment on the first spot welding mechanism spot welding gun A on the first spot welding mechanism feeding track B; a first spot welding mechanism spot welding gun B arranged on the first spot welding mechanism feeding track C, wherein the first spot welding mechanism spot welding gun B can move on the first spot welding mechanism feeding track C; a first spot welding mechanism spot welding gun C arranged at the other end of the first spot welding mechanism feeding track B, wherein the first spot welding mechanism spot welding gun C can move on the first spot welding mechanism feeding track B; and the first spot welding mechanism spot welding gun A, the first spot welding mechanism spot welding gun B and the first spot welding mechanism spot welding gun C horizontally face the welding station.

As a further aspect of the present invention: the second spot welding mechanism includes: the second spot welding mechanism bracket is arranged on the machine table; the second spot welding mechanism feeding track A is arranged on the machine table and is vertical to the welding station; the second spot welding mechanism feeding track B is arranged on the second spot welding mechanism feeding track A, and the direction of the second spot welding mechanism feeding track B is parallel to the welding station; the second spot welding mechanism spot welding gun A is arranged at one end of the second spot welding mechanism feeding track B and can move on the second spot welding mechanism feeding track B; the second spot welding mechanism spot welding gun B is arranged at the other end of the second spot welding mechanism feeding track B, and can adjust the position on the second spot welding mechanism feeding track B; the second spot welding mechanism feeding track C is arranged on the second spot welding mechanism bracket, and the direction of the second spot welding mechanism feeding track C is parallel to the welding station; the second spot welding mechanism spot welding gun C is arranged on the second spot welding mechanism feeding track C and can move on the second spot welding mechanism feeding track C; and the direction of the second spot welding mechanism spot welding gun A and the direction of the second spot welding mechanism spot welding gun B are horizontal and face the welding station, and the direction of the second spot welding mechanism spot welding gun C is vertical downwards and is used for welding a bent part of a front plate of a product.

The utility model discloses produced technological effect: the utility model discloses owing to adopted the duplex position form to adopted automatic welding mechanism, the unloading of cooperation arm only needs an operator just can realize the productivity of several times of traditional mode, has greatly promoted production efficiency, has reduced the cost of labor.

Drawings

Fig. 1 is a schematic structural diagram of the special intelligent automatic spot welding machine provided by the utility model;

FIG. 2 is a top view of the special intelligent automatic spot welding machine provided by the utility model;

fig. 3 is a schematic view of a first perspective of a product produced by the present invention;

FIG. 4 is a schematic view of a second perspective of a product produced by the present invention;

FIG. 5 is an enlarged view at A in FIG. 4;

FIG. 6 is a schematic structural view of a welding station provided by the present invention;

fig. 7 is a first structural schematic diagram of a lifting mechanism provided by the present invention;

fig. 8 is a second schematic structural view of the lifting mechanism provided by the present invention;

fig. 9 is a schematic view of a third structure of the lifting mechanism provided by the present invention;

fig. 10 is a fourth schematic structural view of the lifting mechanism provided by the present invention;

fig. 11 is a schematic structural view of a fixed jaw of a lifting mechanism provided by the present invention;

fig. 12 is a schematic structural diagram of a spot welding fixture provided by the present invention;

fig. 13 is a first structural schematic view of the movable portion of the clamp according to the present invention;

fig. 14 is a second schematic structural view of the movable portion of the clamp according to the present invention;

fig. 15 is a third structural schematic view of the movable portion of the clamp according to the present invention;

fig. 16 is a first structural schematic view of a fixture fixing portion provided in the present invention;

fig. 17 is a second schematic structural view of the fixture fixing portion provided in the present invention;

fig. 18 is a first structural schematic diagram of a first spot welding mechanism provided by the present invention;

fig. 19 is a second schematic structural view of the first spot welding mechanism provided by the present invention;

fig. 20 is a first structural schematic diagram of a second spot welding mechanism provided by the present invention;

fig. 21 is a second schematic structural view of a second spot welding mechanism provided by the present invention;

fig. 22 is a schematic structural view of a feeding track B of a first spot welding mechanism provided by the present invention;

fig. 23 is a schematic structural view of a spot welding gun provided by the present invention;

fig. 24 is a schematic view of the spot welding fixture provided by the present invention clamping a product to be processed;

fig. 25 is a schematic structural view of the blanking mechanical arm provided by the present invention.

Reference numerals:

100. a welding station;

110. welding a station base;

111. spot welding the fixture rail; 112. a spot welding jig driving device;

113. a spot welding fixture connecting block;

120. a lifting mechanism;

121. a lifting mechanism support; 122. a lifting mechanism driving motor;

123. a lifting mechanism movable block; 124. a lifting mechanism screw; 125. a lifting mechanism platform;

126. the lifting mechanism fixes the clamping jaw;

1261. a fixed clamping jaw connecting block; 1262. a fixed clamping jaw drives the cylinder;

1263. a movable clamping jaw;

127. a lifting mechanism positioning device;

130. a spot welding jig;

131. a clamp base plate;

132. a clamp movable portion;

1321. a clamp movable portion track; 1322. a clamp movable part mounting plate;

1323. a width compensation block; 1324. a triangular connecting block is arranged at the movable part of the clamp;

1325. a clamp plate of a movable part of the clamp; 1326. the movable part of the clamp pushes and pulls the air cylinder;

1327. a clamp movable part cylinder mounting rack; 1328. a clamp movable part back splint;

1329. the movable part of the clamp blocks the cylinder;

133. a clamp fixing part;

1331. a clamp fixing part clamping plate; 1332. a clamp fixing part support;

1333. the fixture fixing part pushes and pulls the air cylinder; 1334. a clamp fixing part back splint;

1335. a clamp fixing part guide rod;

134. a side clamp;

135. adjusting a hand wheel;

136. a pulley;

200. a first spot welding mechanism;

210. a first spot welding mechanism feeding track A; 220. a first spot welding mechanism feed track B;

230. a first spot welding mechanism feed track C;

240. a first spot welding mechanism spot welding gun A;

2401. a feed drive cylinder;

250. the first spot welding mechanism is a spot welding gun B; 260. the first spot welding mechanism is a spot welding gun C;

270. a first spot welding mechanism driving device C; 280. a first spot welding mechanism driving device B;

290. a first spot welding mechanism driving device A;

300. a second spot welding mechanism;

310. a second spot welding mechanism support; 320. a second spot welding mechanism feed track A;

330. a second spot welding mechanism feed track B; 340. a second spot welding mechanism spot welding gun A;

350. a second spot welding mechanism spot welding gun B; 360. a second spot welding mechanism feed track C;

370. a second spot welding mechanism spot welding gun C;

400. a blanking mechanical arm;

410. a multi-axis robotic arm; 420. blanking clamping jaws;

421. a mounting frame; 422. a suction cup mounting block; 423. a suction cup;

500. an electric control cabinet;

600. producing a product;

610. a product body;

611. a front plate weld; 612. a rear plate welding part; 613. bending the welding part;

620. a product rear plate;

630. a product front plate;

631. product front bezel portion of bending.

700. A spot welding gun;

710. a spot welding gun telescopic cylinder; 720. a horn.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-2, an intelligent spot welding machine comprises: two sets of welding equipment; the blanking mechanical arm 400 is arranged between the two groups of welding equipment; the electric control cabinet 500 is electrically connected with the welding equipment and the blanking mechanical arm 400 respectively; the welding apparatus includes: a welding station 100; a first spot welding mechanism 200 disposed at one side of the welding station 100; a second spot welding mechanism 300 disposed at the other side of the welding station 100; the first spot welding mechanism 200 and the second spot welding mechanism 300 perform spot welding operation on the product 600 clamped at the welding station 100. The utility model discloses owing to adopted the duplex position form to adopted automatic welding mechanism, the unloading of cooperation arm only needs an operator just can realize the productivity of several times of traditional mode, has greatly promoted production efficiency, has reduced the cost of labor.

The operator sets up the parameter through automatically controlled cabinet 500, and equipment can automatic operation, with the clamping of product 600 in welding station 100 departments, carries out automated welding by first spot welding mechanism 200 and second spot welding mechanism 300, and unloading arm 400 takes out the finished product from welding station 100 after the welding is accomplished, transfers to the logistics line, and two stations weld in proper order for an operator can control two stations.

As shown in fig. 3-5, the product 600 is a drawer of a tool cabinet, and is composed of a product main body 610, a product rear plate 620 and a product front plate 630, the product rear plate 620 and the product front plate 630 are respectively welded at two ends of the product main body 610, and the positions of the product main body 610 connected to the product rear plate 620 and the product front plate 630 are respectively a front plate welding portion 611 and a rear plate welding portion 612, which are configured as welding planes formed by inward folding of edges, it should be noted that the product front plate 630 includes a product front plate bending portion 631 corresponding to a bending welding portion 613 on the product main body 610, and it can be understood in conjunction with fig. 5 that the bending welding portion 613 is a bottom edge of the drawer of the tool cabinet.

Specifically, the dimensions of the product 600: length: 650 mm-805 mm; width: 516 mm-520 mm; high: 115 mm-240 mm. The utility model discloses a welding mode of two points of single face welds to improve welding efficiency. The size change range in the length direction is large, and the welding point welding for moving the long side is realized by servo driving. Considering that two groups of welding points need to be welded at four welding points in the height direction, the size change in the height direction reaches 125mm, if the electrodes at 4 corners are moved, the four spot welding guns 700 need to be moved in a servo mode, the cost is high, and the position space is small; the spot welding gun 700 is fixed in consideration of lifting and feeding the entire workpiece. Meanwhile, the welding points at the corners in the height direction and the length direction are separated too closely, so that the four corner welding positions and the welding points in the length direction are placed at two different welding heights, and the welding positions are staggered to realize welding. This offset height is achieved by the lifting mechanism 120 at the bottom of the workpiece.

As shown in fig. 6, the welding station 100 includes: the welding station base 110, which may be understood as a frame, is generally strip-shaped; the cross section of the spot welding fixture track 111 is circular, and is arranged along the length direction of the welding station base 110, the spot welding fixture track 111 is arranged at a position on the upper surface of the welding station base 110 close to two sides, and it should be noted that the two sides refer to two side surfaces of the welding station 100 in the length direction; a spot welding jig driving device 112 disposed along a longitudinal direction of the welding station base 110, the spot welding jig driving device 112 being disposed on a side surface of the welding station base 110; the lifting mechanism 120 is arranged in the welding station base 110, and the position of the lifting mechanism corresponds to that of the first spot welding mechanism 200 and that of the second spot welding mechanism 300; the spot welding fixture 130 is movably erected on the spot welding fixture track 111 and can move along the spot welding fixture track 111, and the spot welding fixture 130 is movably connected with the spot welding fixture driving device 112 through a spot welding fixture connecting block 113; when the spot welding jig 130 is positioned right above the lifting mechanism 120, it can be fixed and lifted by the lifting mechanism 120; the movable connection is understood as that the spot welding fixture 130 can be separated from the spot welding fixture connecting block 113 through a lifting action, specifically, a vertically arranged hole is formed in the spot welding fixture 130, the spot welding fixture connecting block 113 is inserted into the hole before lifting, the spot welding fixture connecting block 113 can be driven to apply a pulling force when the spot welding fixture driving device 112 operates, so that the spot welding fixture 130 is driven to move, after being lifted, the spot welding fixture connecting block 113 is separated from the hole, otherwise, the spot welding fixture connecting block is inserted again, for the movable connection, the movable connection is only a preferred embodiment, and the structure capable of realizing separation through the lifting action belongs to the scope.

As shown in fig. 7 to 10, the lifting mechanism 120 includes: a lifting mechanism support 121; a lifting mechanism driving motor 122 fixed to the lifting mechanism support 121; the lifting mechanism movable block 123 is movably fixed on the lifting mechanism support 121 through a sliding rail, and the lifting mechanism movable block 123 performs lifting movement on the lifting mechanism support 121; the lifting mechanism screw 124 is connected with the lifting mechanism movable block 123 through a nut, and is in transmission connection with the lifting mechanism driving motor 122 through a synchronous wheel synchronous belt, and the lifting mechanism driving motor 122 drives the lifting mechanism screw 124 to rotate, so that the lifting mechanism movable block 123 moves up and down; a lifting mechanism platform 125 arranged on the top of the lifting mechanism movable block 123 for supporting the spot welding fixture 130; it can be understood that the lifting mechanism 120 works based on the lifting of the screw nut, and the driving source is the lifting mechanism driving motor 122, which can realize the transmission through the transmission parts such as the synchronous belt of the synchronous wheel.

A lifting mechanism fixing clamping jaw 126 arranged on the lifting mechanism platform 125, wherein when the spot welding fixture 130 is lifted by the lifting mechanism platform 125, the fixing clamping jaw 126 acts to fix the spot welding fixture 130 on the lifting mechanism platform 125; the position of the spot welding jig 130 is ensured to be accurate during the lifting process. Specifically, as shown in fig. 11, the lifting mechanism fixing jaw 126 includes a fixing jaw connecting block 1261 disposed on the lower surface of the lifting mechanism platform 125, a fixing jaw driving cylinder 1262 is fixed on the fixing jaw connecting block 1261, an output shaft of the fixing jaw driving cylinder 1262 is connected with a movable jaw 1263, when the output shaft of the fixing jaw driving cylinder 1262 extends, the movable jaw 1263 is turned over to fasten the spot welding fixture 130 on the lifting mechanism platform 125, otherwise, the movable jaw 1263 is released, and the spot welding fixture 130 can move on the spot welding fixture rail 111.

And the lifting mechanism positioning device 127 is arranged on the lifting mechanism platform 125, and is used for positioning the spot welding fixture 130 before the spot welding fixture 130 is lifted by the lifting mechanism platform 125 so as to ensure that the spot welding fixture 130 can be stably clamped by the lifting mechanism fixing clamping jaws 126 and the lifting is stable. As shown in fig. 9, the lifting and positioning device 127 is specifically a cylinder fixed below the lifting mechanism platform 125, and a piston penetrates through the lifting mechanism platform 125, and correspondingly, the spot welding fixture 130 has a corresponding positioning hole, and the cylinder piston of the lifting and positioning device 127 can just extend into the positioning hole to realize positioning. Meanwhile, the positioning mode can play a certain role in fixing and prevent the spot welding clamp 130 from moving.

As shown in fig. 12, the spot welding jig 130 includes: a jig base plate 131, the jig base plate 131 being bridged on the spot welding jig rail 111 by a pulley 136; and a clamp movable portion 132 and a clamp fixing portion 133 disposed on the clamp base plate 131, wherein the clamp fixing portion 133 and the clamp movable portion 132 are relatively movable to adjust a distance therebetween, and it should be noted that the clamp movable portion 132 is movable and the clamp fixing portion 133 is fixed on the clamp base plate 131. The clamp moving part 132 is adjusted by an adjusting hand wheel 135, and the adjusting hand wheel 135 is specifically of a screw nut structure, so that the position of the clamp moving part 132 can be manually adjusted.

As shown in fig. 13 to 15, the clamp moving portion 132 includes: a clamp moving part rail 1321 provided on the clamp base plate 131, the clamp moving part rail 1321 being oriented perpendicular to the spot welding clamp rail 111; a clamp movable portion mounting plate 1322 movably disposed on the clamp movable portion rail 1321; the clamp movable part triangular connecting block 1324 is movably arranged on the clamp movable part mounting plate 1322, and the moving direction of the clamp movable part triangular connecting block is the same as that of the clamp movable part mounting plate 1322; a clamp movable part clamping plate 1325 vertically fixed on the clamp movable part triangular connecting block 1324 and movable together with the clamp movable part triangular connecting block 1324; a clamp movable portion push-pull cylinder 1326 fixed to the clamp movable portion mounting plate 1322 via a clamp movable portion cylinder mounting bracket 1327, and a piston thereof is fixed to the clamp movable portion clamp plate 1325, and can drive the clamp movable portion clamp plate 1325 to move; a clamp movable portion back plate 1328 fixed to the clamp movable portion mounting plate 1322, wherein the clamp movable portion back plate 1325 is in close contact with the clamp movable portion back plate 1328 to clamp the workpiece when the piston of the clamp movable portion push-pull cylinder 1326 is pushed out; the movable part 132 of the clamp is further provided with a width compensation block 1323 for compensating for the shortage of the movable part clamping plate 1325 in width, so as to meet the clamping requirements of products with different sizes.

Furthermore, a clamp moving part blocking cylinder 1329 is further arranged on the clamp moving part mounting plate 1322 for blocking the movement of the clamp moving part clamping plate 1325, and specifically, when the piston of the clamp moving part blocking cylinder extends out, the clamp moving part clamping plate 1325 can be blocked from being far away from the clamp moving part back clamping plate 1328, so that clamping is not loosened.

As shown in fig. 16 to 17, the clamp fixing portion 133, which is provided corresponding to the clamp moving portion 132, includes: a jig fixing part support 1332 fixed to the jig base plate 131; a jig fixing portion clamping plate 1331 fixed to the jig fixing portion bracket 1332 in parallel with the jig movable portion clamping plate 1325; a jig fixing portion push-pull cylinder 1333 fixed to the jig fixing portion plate 1331, and having a piston penetrating the jig fixing portion plate 1331; a jig fixing portion back plate 1334 movably provided on the jig fixing portion 1331 by a jig fixing portion guide rod 1335, to which the piston of the jig fixing portion push-pull cylinder 1333 is fixed, the jig fixing portion back plate 1334 being close to and closely attached to the jig fixing portion back plate 1331 when the piston of the jig fixing portion push-pull cylinder 1333 is retracted;

as shown in fig. 12, the spot welding fixture 130 further includes four side fixtures 134, each of which is a set of four side fixtures, and each set of the side fixtures is disposed on the fixture movable portion mounting plate 1322, is respectively disposed on two sides of the fixture movable portion clamping plate 1325, and is disposed in a plane where the fixture movable portion clamping plate 1325 is located; the other set is disposed on the clamp base plate 131, and is respectively located on both sides of the clamp fixing portion clamping plate 1331 and in a plane in which the clamp fixing portion clamping plate 1331 is located.

As shown in fig. 18 to 19, the first spot welding mechanism 200 includes: the first spot welding mechanism feeding track A210 is arranged on the machine table and is vertical to the welding station 100 in direction; a first welding mechanism feeding track B220, which is arranged on the first welding mechanism feeding track A210 and has a direction parallel to the welding station 100; a first welding mechanism feed track C230, which is parallel to the welding station 100 and is located above the first welding mechanism feed track B220; the first spot welding mechanism feed track C230 and the first spot welding mechanism feed track B220 are fixed together by a plate, and are driven by a first spot welding mechanism driving device a290 to move together on the first spot welding mechanism feed track a 210; a first spot welding mechanism spot welding gun a240 provided at one end of the first spot welding mechanism feed rail B220, the first spot welding mechanism spot welding gun a240 being capable of adjusting a position of the first spot welding mechanism spot welding gun a240 on the first spot welding mechanism feed rail B220; a first spot welding mechanism spot welding gun B250 disposed on the first spot welding mechanism feed rail C230, the first spot welding mechanism spot welding gun B250 being movable on the first spot welding mechanism feed rail C230; a first spot welding mechanism spot welding gun C260 disposed at the other end of the first spot welding mechanism feeding rail B220, the first spot welding mechanism spot welding gun C260 being movable on the first spot welding mechanism feeding rail B220; the first spot welding mechanism spot welding gun a240, the first spot welding mechanism spot welding gun B250, and the first spot welding mechanism spot welding gun C260 are oriented horizontally toward the welding station 100.

As shown in fig. 20 to 21, the second spot welding mechanism 300 includes: the second spot welding mechanism bracket 310 is arranged on the machine platform; the second spot welding mechanism feeding track A320 is arranged on the machine table and is vertical to the welding station 100 in direction; the second spot welding mechanism feeding track B330 is arranged on the second spot welding mechanism feeding track A320, and the direction of the second spot welding mechanism feeding track B is parallel to the welding station; the second spot welding mechanism spot welding gun A340 is arranged at one end of the second spot welding mechanism feeding track B330, and the second spot welding mechanism spot welding gun A340 can move on the second spot welding mechanism feeding track B330; a second spot welding mechanism spot welding gun B350 provided at the other end of the second spot welding mechanism feed rail B330, the second spot welding mechanism spot welding gun B350 being capable of performing position adjustment on the second spot welding mechanism feed rail B330; a second spot welding mechanism feeding track C360 which is arranged on the second spot welding mechanism bracket 310 and has a direction parallel to the welding station 100; a second spot welding mechanism spot welding gun C370, which is arranged on the second spot welding mechanism feeding track C360, wherein the second spot welding mechanism spot welding gun C370 can move on the second spot welding mechanism feeding track C360; second spot welding mechanism spot welding rifle A340 and second spot welding mechanism spot welding rifle B350 direction level, orientation welding station 100, second spot welding mechanism spot welding rifle C370 direction is vertical downwards for welding product front bezel portion 631 of bending. In the second spot welding mechanism 300, the second spot welding mechanism spot welding gun B350 has the same mounting structure as the first spot welding mechanism spot welding gun a240, and taking the first spot welding mechanism spot welding gun a240 as an example, as shown in fig. 22, the bottom of the first spot welding mechanism spot welding gun a240 is fixed to the movable end of the feed driving cylinder 2401, and the position is adjusted by driving the feed driving cylinder 2401. Further, the spot welding gun of each mechanism includes a spot welding gun 700, as shown in fig. 23, the spot welding gun 700 includes a spot welding gun telescopic cylinder 710, and a welding head 720 disposed at a movable end of the spot welding gun telescopic cylinder 710, and the welding head 720 is used for welding.

Further, as shown in fig. 25, the utility model discloses an unloading arm 400 includes multiaxis arm 410 and installs unloading clamping jaw 420 on multiaxis arm 410 expansion end the utility model discloses in, unloading clamping jaw 420 adopts sucker structure, specifically is installing mounting bracket 421 on multiaxis arm 410 expansion end, sets up a plurality of sucking disc installation piece 422 on mounting bracket 421, and what correspond is provided with sucking disc 423 on sucking disc installation piece 422 for snatch the product. Besides the sucker structure, an electromagnet, a mechanical finger and the like can be used for grabbing.

The utility model discloses a theory of operation: two welding stations are arranged, and when one station charges materials, the other station performs welding. The following description is presented in terms of the functionality of a single station, with another station replicating the functionality of the station entirely.

Each station device is provided with 6 welding positions, each welding position is provided with a set of welding power supply, each position can be independently and simultaneously subjected to discharge welding, and the welding production efficiency is improved.

Starting the equipment, and performing first group welding at four corners; then servo lifting is carried out, and a second group of welding points at the corners are welded in a spot welding mode (so far, four corners are welded);

meanwhile, spot welding guns in the welding length direction move and weld under respective servo drive (eight welding spots are counted by four groups of long workpiece welding and six welding spots are counted by three groups of short workpiece welding according to the length of a product), eight spots are welded by three times of long workpiece servo movement, and six spots are welded by two times of short workpiece servo movement. The equipment is provided with a multi-axis mechanical arm, and a set of gripping apparatus is arranged on the multi-axis mechanical arm; and after welding, the robot takes out the finished product to a blanking table.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.

Claims (6)

1. The utility model provides an intelligence automatic spot welding special plane which characterized in that: the method comprises the following steps:

two sets of welding equipment;

the blanking mechanical arm (400) is arranged between the two groups of welding equipment;

the electric control cabinet (500) is electrically connected with the welding equipment and the blanking mechanical arm (400) respectively;

the welding apparatus includes:

a welding station (100);

a first spot welding mechanism (200) arranged on one side of the welding station (100);

the second spot welding mechanism (300) is arranged on the other side of the welding station (100);

the first spot welding mechanism (200) and the second spot welding mechanism (300) perform spot welding operation on the product (600) clamped on the welding station (100).

2. The special intelligent automatic spot welding machine according to claim 1, wherein: the welding station (100) comprises:

a welding station base (110); the spot welding fixture rail (111) is arranged along the length direction of the welding station base (110), and the spot welding fixture rail (111) is arranged on the upper surface of the welding station base (110) close to the positions of two sides; the spot welding fixture driving device (112) is arranged along the length direction of the welding station base (110), and the spot welding fixture driving device (112) is arranged on the side surface of the welding station base (110);

the lifting mechanism (120) is arranged in the welding station base (110) and corresponds to the first spot welding mechanism (200) and the second spot welding mechanism (300) in position;

the spot welding fixture (130) is movably erected on the spot welding fixture track (111) and can move along the spot welding fixture track (111), the spot welding fixture (130) is movably connected with the spot welding fixture driving device (112) through a spot welding fixture connecting block (113), and when the spot welding fixture (130) is located right above the lifting mechanism (120), the spot welding fixture can be fixed and lifted by the lifting mechanism (120).

3. The special intelligent automatic spot welding machine according to claim 2, wherein: the lifting mechanism (120) comprises:

a lifting mechanism support (121);

the lifting mechanism driving motor (122) is fixed on the lifting mechanism bracket (121);

the lifting mechanism movable block (123) is movably fixed on the lifting mechanism support (121) through a sliding rail, and the lifting mechanism movable block (123) performs lifting movement on the lifting mechanism support (121);

the lifting mechanism screw rod (124) is connected with the lifting mechanism movable block (123) through a nut and is in transmission connection with the lifting mechanism driving motor (122) through a synchronous wheel synchronous belt, and the lifting mechanism driving motor (122) drives the lifting mechanism screw rod (124) to rotate so as to enable the lifting mechanism movable block (123) to move up and down;

the lifting mechanism platform (125) is arranged at the top of the lifting mechanism movable block (123) and used for supporting the spot welding clamp (130);

the lifting mechanism fixing clamping jaw (126) is arranged on the lifting mechanism platform (125), and when the spot welding clamp (130) is lifted by the lifting mechanism platform (125), the spot welding clamp (130) is fixed on the lifting mechanism platform (125) through the action of the fixing clamping jaw (126);

and the lifting mechanism positioning device (127) is arranged on the lifting mechanism platform (125), and when the lifting mechanism platform (125) supports the spot welding clamp (130), the spot welding clamp (130) is positioned, so that the lifting mechanism fixing clamping jaw (126) can stably clamp the spot welding clamp (130), and the stability during lifting is ensured.

4. The special intelligent automatic spot welding machine according to claim 2, wherein: the spot welding jig (130) includes:

a jig base plate (131), the jig base plate (131) being mounted on the spot welding jig rail (111) via a pulley (136);

a clamp active portion (132) comprising:

a clamp moving part rail (1321) provided on the clamp base plate (131), the clamp moving part rail (1321) being oriented perpendicular to the spot welding clamp rail (111);

a clamp movable portion mounting plate (1322) movably disposed on the clamp movable portion rail (1321);

the clamp movable part triangular connecting block (1324) is movably arranged on the clamp movable part mounting plate (1322), and the moving direction of the clamp movable part triangular connecting block is the same as that of the clamp movable part mounting plate (1322);

the clamp movable part clamping plate (1325) is vertically fixed on the clamp movable part triangular connecting block (1324) and can move together with the clamp movable part triangular connecting block (1324);

a clamp movable part push-pull cylinder (1326) fixed to the clamp movable part mounting plate (1322), a piston of which is fixed to the clamp movable part clamping plate (1325) and can drive the clamp movable part clamping plate (1325) to move;

a clamp movable portion back splint (1328) fixed to the clamp movable portion mounting plate (1322), wherein when the piston of the clamp movable portion push-pull cylinder (1326) is pushed out, the clamp movable portion splint (1325) is in close contact with the clamp movable portion back splint (1328) to clamp a workpiece;

a clamp fixing portion (133) provided corresponding to the clamp moving portion (132), including:

a jig fixing section bracket (1332) fixed to the jig base plate (131);

a clamp fixing portion clamping plate (1331) fixed on the clamp fixing portion bracket (1332) and parallel to the clamp movable portion clamping plate (1325);

a jig fixing portion push-pull cylinder (1333) fixed to the jig fixing portion clamping plate (1331) and having a piston penetrating the jig fixing portion clamping plate (1331);

a clamp fixing part back splint (1334) movably disposed on the clamp fixing part (1331) by a clamp fixing part guide rod (1335), the clamp fixing part push-pull cylinder (1333) piston being fixed thereto, when the clamp fixing part push-pull cylinder (1333) piston retracts, the clamp fixing part back splint (1334) approaching and clinging to the clamp fixing part splint (1331);

the four side clamps (134) are arranged in pairs to form a group, wherein one group is arranged on the clamp movable part mounting plate (1322), is respectively positioned at two sides of the clamp movable part clamping plate (1325), and is positioned in the plane of the clamp movable part clamping plate (1325); and the other group is arranged on the clamp bottom plate (131), is respectively positioned at two sides of the clamp fixing part clamping plate (1331), and is positioned in the plane of the clamp fixing part clamping plate (1331).

5. The special intelligent automatic spot welding machine according to claim 1, wherein: the first spot welding mechanism (200) includes:

the first spot welding mechanism feeding track A (210) is arranged on the machine table and is vertical to the welding station (100);

the first spot welding mechanism feeding track B (220) is arranged on the first spot welding mechanism feeding track A (210) and is parallel to the welding station (100);

a first welding mechanism feed track C (230) which is parallel to the welding station (100) in direction and is positioned above the first welding mechanism feed track B (220); the first spot welding mechanism feeding track C (230) and the first spot welding mechanism feeding track B (220) are fixed together through a plate and driven by a first spot welding mechanism driving device A (290) to move together on the first spot welding mechanism feeding track A (210);

a first spot welding mechanism spot welding gun A (240) provided at one end of the first spot welding mechanism feed rail B (220), the first spot welding mechanism spot welding gun A (240) being capable of being adjusted in position on the first spot welding mechanism feed rail B (220);

a first spot welding mechanism spot welding gun B (250) disposed on the first spot welding mechanism feed rail C (230), the first spot welding mechanism spot welding gun B (250) being movable on the first spot welding mechanism feed rail C (230);

a first spot welding mechanism spot welding gun C (260) disposed at the other end of the first spot welding mechanism feed rail B (220), the first spot welding mechanism spot welding gun C (260) being movable on the first spot welding mechanism feed rail B (220);

the first spot welding mechanism spot welding gun A (240), the first spot welding mechanism spot welding gun B (250) and the first spot welding mechanism spot welding gun C (260) face the welding station (100) horizontally.

6. The special intelligent automatic spot welding machine according to claim 1, wherein: the second spot welding mechanism (300) includes:

the second spot welding mechanism bracket (310) is arranged on the machine table;

the second spot welding mechanism feeding track A (320) is arranged on the machine table and is vertical to the welding station (100);

a second spot welding mechanism feeding track B (330) which is arranged on the second spot welding mechanism feeding track A (320) and is parallel to the welding station in direction;

a second spot welding mechanism spot welding gun A (340) disposed at one end of the second spot welding mechanism feed track B (330), the second spot welding mechanism spot welding gun A (340) being movable on the second spot welding mechanism feed track B (330);

a second spot welding mechanism spot welding gun B (350) which is provided at the other end of the second spot welding mechanism feed rail B (330), and the second spot welding mechanism spot welding gun B (350) is capable of adjusting the position of the second spot welding mechanism feed rail B (330);

the second spot welding mechanism feeding track C (360) is arranged on the second spot welding mechanism bracket (310) and is parallel to the welding station (100);

a second spot welding mechanism spot welding gun C (370) disposed on the second spot welding mechanism feed track C (360), the second spot welding mechanism spot welding gun C (370) being movable on the second spot welding mechanism feed track C (360);

second spot welding mechanism spot welding rifle A (340) and second spot welding mechanism spot welding rifle B (350) direction level, orientation welding station (100), the vertical portion down of second spot welding mechanism spot welding rifle C (370) orientation for welding product front bezel portion of bending (631).

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