CN114789311A - Welding equipment - Google Patents

Abstract

The application provides a welding equipment, this welding equipment include frame, feed subassembly, material loading subassembly, welded platform, move material welding subassembly and unloading subassembly, move material welding subassembly and include the support frame, move material module and two welding units. Double spot welding of pre-spot welding and spot welding can be realized through the two welding units, and the spot welding quality is high; the second part to be welded can be automatically transferred to the welding platform through the feeding assembly; the material transferring and welding assembly can automatically transfer the first part to be welded conveyed by the material supplying assembly to the second part to be welded on the welding platform and can weld and fix the first part to be welded and the second part to be welded; the blanking assembly can automatically transfer the weldment welded on the welding platform to the next station. Consequently, this application can realize the second through the material loading subassembly and treat the automatic feeding of welding, can realize the automatic unloading of weldment through the unloading subassembly, and this welding equipment helps improving the preparation efficiency of weldment through integrated design, reduces the cost of labor.

Description

Welding equipment

The application is filed in China patent office at No. 05/08/2021 and has the application number of

202110499201.0 entitled "welding apparatus", and priority of the chinese patent application with application number 202110499672.1 entitled "spot welding alignment mechanism and welding apparatus", the entire contents of which are incorporated herein by reference.

Technical Field

The application belongs to the technical field of welding, and more specifically relates to a welding device.

Background

Currently, in the field of welding technology, a first part to be welded is usually supplied by a feeding assembly, and a second part to be welded is manually placed on a spot welding platform; then, the material moving assembly moves the first part to be welded to the spot welding platform, the first part to be welded and the second part to be welded are aligned, and the spot welding assembly welds and fixes the first part to be welded and the second part to be welded through the spot welding head; and finally, removing the weldment after welding by manpower.

However, the spot welding quality is poor because the spot welding head can only spot weld one position of the workpiece at a time; moreover, the feeding operation of the second part to be welded and the blanking operation of the welded part after welding are completed manually, so that the preparation efficiency of the welded part is low, and the labor cost is high.

Disclosure of Invention

An object of this application embodiment is to provide a welding equipment to solve exist in the correlation technique: the spot welding quality of welding equipment is poor, and the second is treated the material loading operation of welding to and the unloading operation of the weldment after the welding finishes is accomplished by artifical manual, leads to the preparation inefficiency of weldment, problem that the cost of labor is high.

In order to achieve the above purpose, the embodiment of the present application adopts the following technical solutions:

provided is a welding apparatus including:

the device comprises a rack, wherein pre-spot welding positions and spot welding positions are arranged on the rack at intervals;

the feeding assembly is arranged on the rack and used for supplying a first part to be welded;

the feeding assembly is arranged on the rack, is arranged at an interval with the feeding assembly and is used for supplying a second part to be welded;

the welding platform is arranged on the rack, is connected with the feeding assembly and is used for bearing a second part to be welded conveyed by the feeding assembly;

the material moving and welding assembly comprises a support frame, a material moving module and two welding units, the material moving module is used for moving the first to-be-welded part conveyed by the feeding assembly to the second to-be-welded part, the two welding units are respectively arranged right opposite to the pre-spot welding position and the spot welding position, one welding unit is used for performing primary spot welding at the pre-spot welding position, the other welding unit is used for performing secondary spot welding at the spot welding position, and the material moving module is arranged on the rack;

and the blanking assembly is arranged on the rack, is connected with the welding platform and is used for removing the weldment after the welding of the material moving welding assembly is finished.

One or more technical solutions in the embodiments of the present application have at least one of the following technical effects:

(1) according to the method, the two welding units can be used for respectively carrying out pre-spot welding treatment on the welding piece at the pre-spot welding position and carrying out spot welding treatment on the welding piece at the spot welding position, and the spot welding quality can be improved through double treatment of pre-spot welding and spot welding;

(2) according to the welding platform, a feeding assembly, a welding platform, a material moving welding assembly and a discharging assembly are respectively arranged on a rack, and the feeding assembly can automatically move a second part to be welded to the welding platform; the material transferring and welding assembly can automatically transfer the first part to be welded conveyed by the material supplying assembly to the second part to be welded on the welding platform and can weld and fix the first part to be welded and the second part to be welded; the blanking assembly can automatically transfer the weldment welded on the welding platform to the next station. Therefore, this application can realize the second through the material loading subassembly and treat the automatic feeding of weldment, can realize the automatic unloading of weldment through the unloading subassembly, and this welding equipment helps improving the preparation efficiency of weldment through integrated design, reduces the cost of labor.

Drawings

FIG. 1 is a schematic structural diagram of a welding apparatus provided in an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a welding apparatus provided in an embodiment of the present application with a vacuum enclosure removed;

fig. 3 is a schematic structural diagram of a storage bin provided in an embodiment of the present application;

FIG. 4 is a schematic structural diagram of a feeding assembly according to an embodiment of the present disclosure;

fig. 5 is a schematic structural diagram of a feeding assembly provided in an embodiment of the present application;

FIG. 6 is a schematic diagram of a material transfer welding assembly according to an embodiment of the present disclosure;

fig. 7 is a schematic structural diagram of a first material moving unit provided in an embodiment of the present application;

fig. 8 is a schematic structural diagram of a second material moving unit provided in the embodiment of the present application;

FIG. 9 is a schematic partial structural view of a welding platform provided in an embodiment of the present application;

fig. 10 is an exploded view of a material support table according to an embodiment of the present application;

FIG. 11 is a schematic structural diagram of a welding unit provided in an embodiment of the present application;

FIG. 12 is an exploded view of a spot welding drive mechanism provided in accordance with an embodiment of the present application;

FIG. 13 is an exploded view of a spot welding lifting mechanism provided in accordance with an embodiment of the present application;

fig. 14 is a schematic structural diagram of a positioning unit according to an embodiment of the present application;

FIG. 15 is an exploded view of a plurality of positioning bases and positioning drivers according to an embodiment of the present disclosure;

FIG. 16 is a schematic structural view of a positioning actuator according to an embodiment of the present application;

FIG. 17 is an enlarged schematic view at A of FIG. 16;

fig. 18 is a schematic structural view of a positioning base according to an embodiment of the present application;

fig. 19 is a schematic structural diagram of another positioning base according to an embodiment of the present application.

Wherein, in the drawings, the reference numerals are mainly as follows:

1-a frame; 11-a vacuum hood; 12-a storage bin; 121-box body; 122-first windowing; 123-second windowing; 124-a first door panel; 125-a second door panel; 126-a slide plate;

2-a feed assembly; 21-vibrating a disc; 22-a flat conveying track;

3-a feeding assembly; 31-a tray; 32-a storage frame; 33-a feeding lifting unit; 331-a fixed seat; 332-a feeding screw rod; 333-feeding seat; 334-a loading lifting motor; 34-a feeding pushing unit; 341-positioning seat; 342-push against the air cylinder;

4-welding the platform; 41-a material supporting table; 42-a material rotation unit; 43-a material traversing unit; 44-material longitudinal moving unit; 411-spot welding base; 412-a stop seat; 4121-a driving wheel; 4122-driven wheel; 4123-a first drive belt; 413-spot welding the substrate; 414-spot welding driving cylinder; 415-connecting the shaft; 4151-a first drive wheel; 416-spot welding a power motor; 4161-a second transmission wheel; 417 — a second drive belt;

5-moving and welding the assembly; 51-a support frame; 52-a positioning unit; 521-a positioning base; 5210-a third step portion; 5211-a fourth step; 522-positioning the drive; 5221-a chute; 5222-a positioning groove; 5223-grooves; 5224-a receiving groove; 523-an accommodation area; 524-positioning a base; 525-positioning sliding seat; 5251-positioning barrier; 526-positioning the abutting seat; 527 — first step; 528-a second step; 529-an inductor; 53-a first material moving unit; 531-a first suction nozzle; 532-a first support plate; 533-a first transfer lifting mechanism; 534-a first eccentric wheel; 535-a first rotating wheel; 536-a first material moving motor; 54-a second material moving unit; 541-a second suction nozzle; 542-a second support plate; 543-a second material moving and lifting mechanism; 544-a second eccentric; 545-a swinging rod; 546-a second rotating wheel; 547-second transfer motor; 55-a welding unit; 551-spot welding head; 552-support base; 5521-a stop; 553-spot welding drive mechanism; 5531-spot welding lead screw; 5532-spot welding the slider; 5533-spot welding drive motor; 5534-a belt; 554-spot welding lifting mechanism; 5541-sliding plates; 5542-baffles; 5543-a third rotating wheel; 5544-a third eccentric; 5545-spot welding lifting motor; 56-material moving and traversing unit;

6, blanking assembly; 7-a second camera unit.

Detailed Description

It should be noted that the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include one or more of the features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

For convenience of description, three coordinate axes which are mutually vertical in space are defined as an X axis, a Y axis and a Z axis respectively, and meanwhile, the direction along the X axis is a longitudinal direction, the direction along the Y axis is a transverse direction, and the direction along the Z axis is a vertical direction; the X axis and the Y axis are two coordinate axes which are vertical to each other on the same horizontal plane, and the Z axis is a coordinate axis in the vertical direction; the X axis, the Y axis and the Z axis are positioned in space and are mutually vertical, and three planes are respectively an XY plane, a YZ plane and an XZ plane, wherein the XY plane is a horizontal plane, the XZ plane and the YZ plane are vertical planes, and the XZ plane is vertical to the YZ plane. Three axes in space are an X axis, a Y axis and a Z axis, and the three-axis movement in space refers to the movement along three axes which are vertical to each other in space, and particularly refers to the movement along the X axis, the Y axis and the Z axis in space; the planar motion is a motion in the XY plane.

Referring to fig. 1 and 2, a welding apparatus provided in an embodiment of the present application will now be described. The welding equipment comprises a frame 1, a feeding assembly 2 arranged on the frame 1, a feeding assembly 3 arranged on the frame 1 and spaced from the feeding assembly 2, a welding platform 4 arranged on the frame 1 and connected with the feeding assembly 3, a material moving welding assembly 5 arranged on the frame 1 and positioned above the welding platform 4, and a discharging assembly 6 arranged on the frame 1 and connected with the welding platform 4. The first part to be welded can be a cap, and the second part to be welded can be a base.

Pre-spot welding positions and spot welding positions are arranged on the rack 1 at intervals; the material transferring and welding assembly 5 comprises a supporting frame 51, a material transferring module (not shown) for transferring the first workpiece to be welded conveyed by the material supplying assembly 2 to the second workpiece to be welded, and two welding units 55 respectively mounted on the supporting frame 51; two welding unit 55 are just being set up to prespot welding position and spot welding position respectively, and a welding unit 55 is used for carrying out spot welding once in prespot welding position, and another welding unit 55 is used for carrying out secondary spot welding in spot welding position, moves the material module and installs in frame 1.

According to the structure, the two welding units 55 can respectively carry out pre-spot welding treatment on the workpieces at the pre-spot welding positions and spot welding treatment on the workpieces at the spot welding positions, and the spot welding quality can be improved through double treatment of pre-spot welding and spot welding; the feeding assembly 3 can automatically transfer a second part to be welded to the welding platform 4 by respectively arranging the feeding assembly 2, the feeding assembly 3, the welding platform 4, the material transferring welding assembly 5 and the discharging assembly 6 on the rack 1; the material transferring and welding assembly 5 can automatically transfer the first part to be welded conveyed by the material supplying assembly 2 to the second part to be welded on the welding platform 4 and can weld and fix the first part to be welded and the second part to be welded; the blanking assembly 6 can automatically transfer the weldment welded on the welding platform 4 to the next station. Therefore, this application can realize the second through material loading subassembly 3 and treat the automatic feeding of weldment, can realize the automatic unloading of weldment through unloading subassembly 6, and this welding equipment helps improving the preparation efficiency of weldment through integrated design, reduces the cost of labor.

In one embodiment, referring to fig. 6, the material-moving welding assembly 5 further includes a positioning unit 52 for positioning a first workpiece to be welded; the material moving module comprises a first material moving unit 53 for moving the first workpiece to be welded conveyed by the feeding assembly 2 to the positioning unit 52, a second material moving unit 54 for moving the first workpiece to be welded on the positioning unit 52 to the pre-spot welding position, and a material moving traversing unit 56 for driving the supporting frame 51 to transversely move; the positioning unit 52 and the material moving traversing unit 56 are respectively arranged on the frame 1, the first material moving unit 53 and the second material moving unit 54 are respectively arranged on the supporting frame 51, and the material moving traversing unit 56 is connected with the supporting frame 51. With this structure, the first material transferring unit 53 can transfer the first workpiece to be welded conveyed by the material supplying assembly 2 to the positioning unit 52 under the driving action of the material transferring traverse unit 56; the positioning unit 52 can correct and position the position of the first part to be welded, thereby being beneficial to improving the welding precision; the second material moving unit 54 can move the first to-be-welded part corrected by the positioning unit 52 to a second to-be-welded part on the welding platform 4, so as to realize the alignment of the first to-be-welded part and the second to-be-welded part; the welding unit 55 may weld and fix the first to-be-welded member and the second to-be-welded member. The material moving traverse unit 56 may be a screw rod transmission mechanism, a sliding table linear motor, a cylinder transmission mechanism, etc., and is not limited herein.

In one embodiment, referring to fig. 1 and 3, the welding apparatus further includes a vacuum cover 11 covering the rack 1, the vacuum cover 11 has a receiving chamber, and the feeding assembly 2, the feeding assembly 3, the welding platform 4, the material-moving welding assembly 5, and the discharging assembly 6 are all disposed in the receiving chamber. Two ends of the vacuum cover 11 are respectively provided with a bin 12. Each of the bins 12 includes a box body 121 mounted on the vacuum hood 11, two side surfaces of the box body 121 are respectively provided with a first window 122 and a second window 123, and the box body 121 is mounted with a first door panel 124 for shielding the first window 122 and a second door panel 125 for shielding the second window 123; a sliding plate 126 is slidably installed in the box body 121 to move in and out of the second opening window 123. Through the alternative switching of first door plant 124 and second door plant 125, can realize separating of vacuum hood 11 and external environment, avoid vacuum hood 11 to receive external environment's pollution to can make welding equipment carry out welding operation under pollution-free environment, and then can improve weldment quality. The slide plate 126 helps to improve the material handling and facilitates the loading and unloading operation.

In one embodiment, referring to FIG. 4, the feed assembly 2 includes a vibratory pan 21 mounted to the frame 1 and a flat feed track 22 connected to the vibratory pan 21. The vibration disc 21 can be used for containing a plurality of first parts to be welded, and the vibration disc 21 can transfer the first parts to be welded to the flat conveying track 22 one by one in the vibration process, so that the material transferring and welding assembly 5 can transfer the first parts to be welded conveniently.

In one embodiment, referring to fig. 5, the feeding assembly 3 includes a tray 31 for carrying the second workpiece to be welded, a storage frame 32 for accommodating the tray 31, a feeding lifting unit 33 for driving the storage frame 32 to lift, and a feeding pushing unit 34 for pushing the tray 31 in the storage frame 32 to the welding platform 4; the feeding pushing unit 34 is installed on the feeding lifting unit 33, the feeding lifting unit 33 is installed on the machine frame 1, and the storage frame 32 is installed on the feeding lifting unit 33. With the structure, the material tray 31 in the material storage frame 32 can be pushed to the welding platform 4 through the material loading pushing unit 34, so that the automatic material loading operation of a second part to be welded is realized, the labor cost is low, and the time and the labor are saved. The material storage frame 32 is driven to ascend and descend by the material loading ascending and descending unit 33, so that the material loading pushing unit 34 pushes out the material trays 31 located at different heights in the material storage frame 32, continuous material loading is realized, and the efficiency is high. The structure of the blanking assembly 6 is the same as that of the feeding assembly 3, and is not described in detail here.

In one embodiment, referring to fig. 5, the feeding lifting unit 33 includes a fixing base 331 installed on the frame 1, a feeding screw 332 installed on the fixing base 331, a feeding base 333 installed on the feeding screw 332 and supporting the storage frame 32, and a feeding lifting motor 334 for driving the feeding screw 332 to rotate; the feeding lifting motor 334 is installed on the fixing base 331, and the feeding lifting motor 334 can be directly connected with the feeding screw 332, or the feeding lifting motor 334 can be connected with the feeding screw 332 through a conveying belt or a gear set and the like. With the structure, the feeding lifting motor 334 can realize the lifting of the feeding seat 333 and the storage frame 32 by driving the forward and reverse rotation of the feeding screw 332. Of course, the material loading lifting unit 33 may be an air cylinder, an electric cylinder, an oil cylinder, etc. directly connected to the material storage frame 32, and is not limited herein.

In one embodiment, referring to fig. 5, the feeding pushing unit 34 includes a positioning seat 341 installed on the fixing seat 331, a pushing cylinder 342 installed on the positioning seat 341, and a pushing seat (not shown) connected to a piston rod of the pushing cylinder 342. The pushing cylinder 342 can drive the pushing base to reciprocate, so as to push out the material tray 31 in the material storage frame 32.

Of course, in other embodiments, the feeding assembly 3 may also be a robot arm that directly picks up the second workpiece to be welded; alternatively, the feeding assembly 3 may be a screw transmission mechanism, a sliding table linear motor, or the like, which is not limited herein.

The loading operation of the tray 31 containing the second members to be welded is as follows: opening a first door 124 of one bin 12, placing the storage frame 32 containing the tray 31 in the bin 12 and closing the first door 124; the second door 125 of the silo 12 is opened to connect the silo 12 with the vacuum hood 11, and the storage frame 32 in the silo 12 is manually placed on the loading seat 333 of the loading assembly 3.

The blanking operation of the tray 31 containing the weldment is as follows: after the second parts to be welded on the material tray 31 and the first parts to be welded are welded, the material storage frame 32 can store the welded material trays 31 one by one; then, the second door 125 of the other bin 12 is opened to communicate the bin 12 with the vacuum hood 11, and the storage frame 32 containing the tray 31 is manually moved into the bin 12 and the second door 125 is closed; the first door 124 of the bin 12 is opened and the storage frame 32 is removed from the bin 12.

In one embodiment, referring to fig. 7, the first material moving unit 53 includes a first suction nozzle 531, a first support plate 532 having one end supporting the first suction nozzle 531, and a first material moving and lifting mechanism 533 for driving the first support plate 532 to move up and down; the first support plate 532 and the first material moving and lifting mechanism 533 are respectively installed on the support frame 51, and the first material moving and lifting mechanism 533 is connected to the other end of the first support plate 532. With this structure, under the driving action of the first material moving and lifting mechanism 533 and the material moving and traversing unit 56, the first suction nozzle 531 can move and lift laterally, so as to transfer the first workpiece to be welded from the feeding assembly 2 to the positioning unit 52. The first support plate 532 may be slidably mounted on the support frame 51 through a pair of guide rails, so that the lifting reliability of the first support plate 532 may be improved.

In one embodiment, referring to fig. 7, the first material moving and lifting mechanism 533 includes a first eccentric wheel 534, a first rotating wheel 535 mounted on an end of the first support plate 532 far from the first suction nozzle 531, and a first material moving motor 536 mounted on the support frame 51 and connected to the first eccentric wheel 534; the outer peripheral surface of the first eccentric 534 abuts against the outer peripheral surface of the first rotating wheel 535. With this structure, when the first material moving motor 536 drives the first eccentric wheel 534 to eccentrically rotate, the first eccentric wheel 534 can drive the first supporting plate 532 to move up and down through the first rotating wheel 535, and further drive the first suction nozzle 531 to move up and down. Of course, the first material moving and lifting mechanism 533 can also be an air cylinder, an electric cylinder, an oil cylinder, etc. directly connected to the first suction nozzle 531; the first material transferring unit 53 may also be a combination of the first suction nozzle 531, a screw driving mechanism, a sliding table linear motor, etc., which are not limited herein.

In an embodiment, referring to fig. 8, the second material moving unit 54 includes a second suction nozzle 541, a second supporting plate 542 having one end supporting the second suction nozzle 541, and a second material moving and lifting mechanism 543 for driving the second supporting plate 542 to move up and down; the second supporting plate 542 and the second material moving lifting mechanism 543 are respectively mounted on the supporting frame 51, and the second material moving lifting mechanism 543 is connected to the other end of the second supporting plate 542. With this structure, under the driving action of the second material moving lifting mechanism 543 and the material moving traverse unit 56, the second suction nozzle 541 can move laterally and lift up and down, so as to transfer the first workpiece to be welded from the positioning unit 52 to the second workpiece to be welded on the welding platform 4.

In one embodiment, referring to fig. 8, the second material moving lifting mechanism 543 includes a second eccentric wheel 544, a swing rod 545 whose middle portion is hinged to the supporting frame 51, a second rotating wheel 546 mounted at one end of the swing rod 545, and a second material moving motor 547 mounted on the supporting frame 51 and connected to the second eccentric wheel 544; the other end of the swing lever 545 is hinged to an end of the second support plate 542 away from the second suction nozzle 541, and the outer circumferential surface of the second eccentric 544 abuts against the outer circumferential surface of the second rotating wheel 546. In this structure, when the second material moving motor 547 drives the second eccentric wheel 544 to rotate eccentrically, the second eccentric wheel 544 can drive the swing rod 545 to swing on the supporting frame 51 through the second rotating wheel 546; the swing lever 545 drives the second supporting plate 542 and the second suction nozzle 541 to move up and down during the swinging process. Of course, the second material moving and lifting mechanism 543 may be an air cylinder, an electric cylinder, an oil cylinder, etc. directly connected to the second suction nozzle 541, which is not limited herein.

In one embodiment, referring to fig. 8, the hinge position of the swinging rod 545 and the supporting frame 51 is a first hinge point, the hinge position of the swinging rod 545 and the second supporting plate 542 is a second hinge point, the hinge position of the swinging rod 545 and the second rotating wheel 546 is a third hinge point, and the distance between the first hinge point and the second hinge point is greater than the distance between the first hinge point and the third hinge point. With such a structure, the second eccentric wheel 544 can realize a larger displacement stroke of the second supporting plate 542 only by rotating by a smaller angle, so that the power output efficiency of the second material moving motor 547 can be improved.

In one embodiment, the distance between the first transfer unit 53 and the second transfer unit 54 is equal to the distance between the positioning unit 52 and the tack welding site. Specifically, the distance between the first transfer unit 53 and the second transfer unit 54 can be understood as the distance between the first suction nozzle 531 and the second suction nozzle 541. With the structure, when the first nozzle 531 transfers the first to-be-welded part conveyed by the feeding assembly 2 to the positioning unit 52, the second nozzle 541 can transfer the corrected first to-be-welded part on the positioning unit 52 to the pre-spot welding position, so that the synchronous operation of the first nozzle 531 and the second nozzle 541 can be realized, and the spot welding efficiency is improved.

In one embodiment, referring to fig. 2, 6 and 9, the welding platform 4 includes two material support tables 41 arranged at intervals, a material rotating unit 42 for driving each material support table 41 to rotate (XY plane), a material traversing unit 43 for driving each material support table 41 to move transversely (along X axis direction), and a material longitudinally moving unit 44 for driving each material support table 41 to move longitudinally (along Y axis direction); each material support table 41 is mounted on a corresponding material rotating unit 42, each material rotating unit 42 is mounted on a corresponding material traverse unit 43, and each material traverse unit 43 is mounted on a corresponding material longitudinal moving unit 44. With this structure, by providing the two material support tables 41 and the two welding units 55, the first member to be welded, which is transferred from the positioning unit 52 by the second material transfer unit 54, is placed on the second member to be welded on the first material support table 41, and the first welding unit 55 can perform pre-welding processing on the second member to be welded on the first material support table 41 and the first member to be welded. The pre-welded tray 31 can be transferred to the second material supporting table 41 through the first material supporting table 41, and the second welding unit 55 performs welding processing on the first to-be-welded part and the second to-be-welded part again. Through twice welding treatment, the welding precision can be improved, and the welding quality is improved.

Wherein, each material rotation unit 42 can be a rotating motor; each material transverse moving unit 43 can be a screw rod transmission mechanism, a sliding table linear motor, a cylinder transmission mechanism and the like; each material longitudinal moving unit 44 may be a screw rod transmission mechanism, a sliding table linear motor, a cylinder transmission mechanism, etc., which are not limited herein.

In one embodiment, referring to fig. 10, each material supporting platform 41 includes a spot welding base 411 installed on the corresponding material rotating unit 42, two abutments 412 installed at both ends of the spot welding base 411, respectively, a spot welding base 413 installed between the two abutments 412, and a spot welding driving cylinder 414 installed on the spot welding base 411 and connected to the spot welding base 413, wherein a passage through which the material tray 31 moves is formed between the two abutments 412, and the material tray 31 can be placed on the spot welding base 413. When the spot welding driving cylinder 414 drives the spot welding base 413 to ascend, the spot welding base 413 is matched with the two resisting seats 412 to clamp and fix the tray 31, so that the second part to be welded is clamped and fixed.

In one embodiment, referring to fig. 10, each material supporting platform 41 further includes a driving wheel 4121 and a driven wheel 4122 mounted at two ends of each stopping seat 412, a first transmission belt 4123 connecting each driving wheel 4121 and the corresponding driven wheel 4122, a connecting shaft 415 connecting the two driving wheels 4121, a first transmission wheel 4151 sleeved and fixed on the connecting shaft 415, a spot welding power motor 416 mounted on the spot welding base 411, a second transmission wheel 4161 mounted on a spindle of the spot welding power motor 416, and a second transmission belt 417 connecting the first transmission wheel 4151 and the second transmission wheel 4161. The spot welding power motor 416 can drive the two first transmission belts 4123 to move, so that the material disc 31 can move between the two material supporting tables 41.

In one embodiment, referring to fig. 11, each welding unit 55 includes two spot welding heads 551 disposed opposite to each other, a supporting base 552 supporting the spot welding heads 551, a spot welding driving mechanism 553 for driving the two supporting bases 552 to approach or separate from each other, and a spot welding lifting mechanism 554 for driving the two supporting bases 552 to be lifted synchronously; the spot welding driving mechanism 553 and the spot welding lifting mechanism 554 are respectively installed on the supporting frame 51, the spot welding driving mechanism 553 is respectively connected with the middle positions of the two supporting seats 552, the spot welding lifting unit is respectively abutted against one ends of the two supporting seats 552, and the spot welding heads 551 are installed at the other ends of the corresponding supporting seats 552. According to the structure, the two supporting seats 552 can be driven to descend to the spot welding position through the spot welding lifting mechanism 554, the spot welding driving mechanism 553 drives the two supporting seats 552 to be close to each other, the two spot welding heads 551 can simultaneously carry out spot welding treatment on two positions of a first part to be welded and a second part to be welded, and compared with the traditional operation mode that spot welding is needed twice through the single spot welding head 551, the spot welding efficiency is high.

In one embodiment, referring to fig. 12, the spot welding driving mechanism 553 includes two spot welding lead screws 5531 installed on the supporting frame 51 at intervals, a spot welding slider 5532 installed on the spot welding lead screw 5531, and a spot welding driving motor 5533 for driving the spot welding lead screw 5531 to rotate, the spot welding driving motor 5533 is installed on the supporting frame 51, the spot welding driving motor 5533 may be directly connected to the corresponding spot welding lead screw 5531, or the spot welding driving motor 5533 and the corresponding spot welding lead screw 5531 may be connected by a belt 5534 or a gear train. The spot welding slider 5532 is slidably mounted on the support frame 51 through a rail pair, so that the reliability of movement of the spot welding slider 5532 on the support frame 51 can be improved. With this structure, when the spot welding driving motor 5533 drives the corresponding spot welding screw rod 5531 to rotate forward and backward, the two supporting seats 552 and the two spot welding heads 551 can be moved closer to or farther away from each other. Of course, the spot welding driving mechanism 553 may be an air cylinder, an electric cylinder, an oil cylinder, etc. directly connected to the supporting base 552, which is not limited herein.

In one embodiment, referring to fig. 12 and 13, the spot welding lifting mechanism 554 includes a sliding plate 5541 mounted on the supporting frame 51, a blocking plate 5542 mounted on one end of the sliding plate 5541, a third rotating wheel 5543 mounted on the other end of the sliding plate 5541, a third eccentric wheel 5544, and a spot welding lifting motor 5545 mounted on the supporting frame 51 and connected to the third eccentric wheel 5544, wherein an outer circumferential surface of the third rotating wheel 5543 abuts against an outer circumferential surface of the third eccentric wheel 5544, and a stop 5521 for cooperating with the blocking plate 5542 is mounted on one end of each supporting seat 552 away from the corresponding spot welding head 551. With this structure, when the spot welding lifting motor 5545 drives the third eccentric wheel 5544 to eccentrically rotate, the sliding plate 5541 can be driven to lift by the third rotating wheel 5543. In the process of lifting the sliding plate 5541, the two supporting seats 552 and the two spot welding heads 551 can be driven to lift together by the stop of the baffle 5542 and the two stoppers 5521. Moreover, when the spot welding driving mechanism 553 drives the two supporting seats 552 to move closer to or away from each other, the positioning and guiding effects on the two supporting seats 552 can also be achieved by the cooperation of the stopper 5542 and the two stoppers 5521. Here, each support base 552 may be slidably mounted on the corresponding spot welding slider 5532 through a pair of guide rails, and the sliding plate 5541 may be slidably mounted on the support frame 51 through a pair of guide rails, so that the reliability of the movement of each support base 552 on the corresponding spot welding slider 5532 and the reliability of the movement of the sliding plate 5541 on the support frame 51 may be improved. Of course, the spot welding lifting mechanism 554 may be a screw driving mechanism, a slide linear motor, a cylinder driving mechanism, etc., and is not limited herein.

In one embodiment, referring to fig. 2, the welding apparatus further includes a first camera unit (not shown) and a second camera unit 7 respectively mounted on the frame 1, wherein the first camera unit is located directly above the positioning unit 52, and the second camera unit 7 is located directly above the welding platform 4. With this structure, when the first transferring unit 53 transfers the first workpiece to be welded from the feeding assembly 2 to the positioning unit 52, the first camera unit can monitor the position of the first workpiece in real time. When there is a difference in the position of the first workpiece to be welded, the positioning unit 52 may correct the position of the first workpiece to be welded. Similarly, the second camera unit 7 can monitor the position of the second part to be welded on the tray 31 in real time. When there is a difference in the position of the second member to be welded, the position of the second member to be welded on the tray 31 can be corrected by the material rotating unit 42, the material traverse unit 43, and the material longitudinal moving unit 44. Through treating correcting respectively of the position of welding through treating first welding piece and second, can improve first welding piece and the second and treat the counterpoint precision of welding, and then improve welding precision, improve product quality.

In one embodiment, referring to fig. 14, the positioning unit 52 includes a plurality of positioning bases 521 and positioning drivers 522 for driving the positioning bases 521 to move; the plurality of positioning bases 521 are distributed on the positioning driving member 522 in an annular array, the plurality of positioning bases 521 surround to form an accommodating area 523 for accommodating the first to-be-welded component, the positioning driving member 522 is mounted on the frame 1, and the positioning driving member 522 is connected to each positioning base 521. The positioning driving member 522 may be a cylinder, an electric cylinder, etc. The positioning drive 522 may be supported by a positioning mount 524, and the positioning mount 524 may be mounted on the frame 1 so that the height of the positioning drive 522 may be adjusted. With this structure, the first transferring unit 53 can transfer the first workpiece to be welded from the feeding assembly 2 to the accommodating area 523, and at this time, the first camera unit obtains the image information of the first workpiece to be welded in the accommodating area 523. When the position of the first part to be welded is not at the target position, the positioning driving element 522 drives each positioning base 521 to move, and the first part to be welded moves to the target position under the pushing of each positioning base 521, thereby realizing the position correction of the first part to be welded.

In one embodiment, referring to fig. 15, each positioning base 521 includes a positioning sliding base 525 connected to the positioning driving member 522 and a positioning abutting base 526 mounted on the positioning sliding base 525. With the structure, the detachable connection between each positioning abutting seat 526 and the corresponding positioning sliding seat 525 is realized, so that the disassembly, the assembly and the maintenance of each positioning abutting seat 526 are facilitated. The positioning propping bases 526 surround the accommodating area 523, and the size of each positioning propping base 526 can be adjusted to adapt to first parts to be welded with different sizes, so that the adaptability is good.

In one embodiment, referring to fig. 15, the positioning driving member 522 is provided with a plurality of sliding grooves 5221, each sliding groove 5221 is provided with a positioning base 521, and the length directions of the plurality of sliding grooves 5221 intersect at the same point. With this structure, the guide grooves 5221 can guide the movement of the corresponding positioning bases 521 in a fixed direction, and the reliability of the reciprocation of the positioning bases 521 can be improved.

In one embodiment, referring to fig. 16 to 18, a positioning groove 5222 is formed on a bottom surface of each sliding groove 5221, and a positioning barrier 5251 extending into the corresponding positioning groove 5222 is mounted on each positioning sliding seat 525. With this structure, each positioning bar 5251 can cooperate with and abut against two opposite sidewalls of the corresponding positioning groove 5222, thereby limiting the stroke of each positioning base 521.

In one embodiment, referring to fig. 17 and 18, the positioning driving member 522 further has grooves 5223 formed thereon and communicated with the respective chutes 5221, the width of each groove 5223 is smaller than the width of the corresponding chute 5221, and a first step portion 527 is formed between each groove 5223 and the corresponding chute 5221; each positioning sliding seat 525 is provided with a second step portion 528 matching and resisting with the corresponding first step portion 527. Specifically, the positioning driver 522 may have a cylindrical configuration with the runners 5221 distributed radially of the positioning driver 522. With this structure, by the cooperation between each first stepped portion 527 and the corresponding second stepped portion 528, positioning guide of each positioning base 521 in the radial direction of the positioning driver 522 and abutment of each positioning base 521 in the axial direction of the positioning driver 522 can be achieved.

In one embodiment, referring to fig. 15, the number of the positioning bases 521 can be four, the four positioning bases 521 are divided into two groups, and two positioning bases 521 in each group of positioning bases 521 are disposed oppositely. With this structure, the first to-be-welded member may be square, and the four positioning bases 521 can respectively push against four side surfaces of the first to-be-welded member.

In an embodiment, referring to fig. 15, 18 and 19, two positioning bases 521 of one positioning base set 521 are respectively provided with a third step 5210 for supporting the bottom surface of the first workpiece to be welded, and two positioning bases 521 of the other positioning base set 521 are respectively provided with a fourth step 5211 for blocking the top surface of the first workpiece to be welded. The two third step portions 5210 can respectively support two ends of the bottom surface of the first workpiece to be welded, so as to ensure that the first workpiece to be welded can move in the accommodating area 523. The two fourth step portions 5211 can respectively abut against two ends of the top surface of the first workpiece to be welded, so as to cooperate with the two third step portions 5210 to clamp the first workpiece to be welded, thereby preventing the first workpiece to be welded from being separated from the accommodating area 523.

In one embodiment, referring to fig. 16, a sensor 529 for monitoring the moving stroke of each positioning base 521 is further installed on the positioning driving member 522 to improve the reliability of the reciprocating movement of each positioning base 521. The positioning driving member 522 is provided with an accommodating groove 5224 for accommodating each sensor 529 along the axial direction of the positioning driving member 522, so that the sensors 529 can be quickly positioned and disassembled.

The above description is intended only to serve as an alternative embodiment of the present application, and should not be taken as limiting the present application, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present application should be included in the scope of the present application.

Claims (10)

1. Welding equipment, its characterized in that includes:

the device comprises a rack, wherein pre-spot welding positions and spot welding positions are arranged on the rack at intervals;

the feeding assembly is arranged on the rack and used for supplying a first part to be welded;

the feeding assembly is arranged on the rack, is arranged at an interval with the feeding assembly and is used for supplying a second part to be welded;

the welding platform is arranged on the rack, is connected with the feeding assembly and is used for bearing a second part to be welded conveyed by the feeding assembly;

the material moving and welding assembly comprises a support frame, a material moving module and two welding units, the material moving module is used for moving the first to-be-welded part conveyed by the feeding assembly to the second to-be-welded part, the two welding units are respectively arranged right opposite to the pre-spot welding position and the spot welding position, one welding unit is used for performing primary spot welding at the pre-spot welding position, the other welding unit is used for performing secondary spot welding at the spot welding position, and the material moving module is arranged on the rack;

and the blanking assembly is arranged on the rack, is connected with the welding platform and is used for removing a weldment obtained after the welding of the material moving welding assembly is finished.

2. The welding apparatus of claim 1, wherein: the material moving welding assembly further comprises a positioning unit used for positioning the first part to be welded; the material moving module comprises a first material moving unit, a second material moving unit and a material moving and traversing unit, wherein the first material moving unit is used for moving a first part to be welded conveyed by the feeding assembly to the positioning unit, the second material moving unit is used for moving the first part to be welded on the positioning unit to the pre-spot welding position, and the material moving and traversing unit is used for driving the supporting frame to move transversely; the positioning unit and the material moving transverse moving unit are respectively arranged on the rack, the first material moving unit and the second material moving unit are respectively arranged on the supporting frame, and the material moving transverse moving unit is connected with the supporting frame.

3. The welding apparatus of claim 2, wherein: the distance between the first material moving unit and the second material moving unit is equal to the distance between the positioning unit and the pre-spot welding position.

4. The welding apparatus of claim 1, wherein: the welding platform comprises two material supporting tables arranged at intervals, a material rotating unit used for driving each material supporting table to rotate, a material transverse moving unit used for driving each material supporting table to transversely move and a material longitudinal moving unit used for driving each material supporting table to longitudinally move; each material supporting table is installed on the corresponding material rotating unit, each material rotating unit is installed on the corresponding material transverse moving unit, and each material transverse moving unit is installed on the corresponding material longitudinal moving unit.

5. The welding apparatus of claim 1, wherein: each welding unit comprises two spot welding heads which are oppositely arranged, a supporting seat for supporting each spot welding head, a spot welding driving mechanism for driving the two supporting seats to mutually approach or separate, and a spot welding lifting mechanism for driving the two supporting seats to synchronously lift; the spot welding driving mechanism and the spot welding lifting mechanism are respectively installed on the supporting frame, the spot welding driving mechanism is respectively connected with the middle positions of the two supporting seats, the spot welding lifting units are respectively abutted against one ends of the two supporting seats, and the spot welding heads are installed at the other ends of the corresponding supporting seats.

6. The welding apparatus of claim 5, wherein: each spot welding driving mechanism comprises two spot welding screw rods arranged on the supporting frame at intervals, spot welding sliders arranged on the spot welding screw rods and spot welding driving motors used for driving the spot welding screw rods to rotate, each spot welding driving motor is arranged on the supporting frame, and each spot welding driving motor is connected with the corresponding spot welding screw rod.

7. The welding apparatus of claim 5, wherein: the spot welding lifting mechanism comprises a sliding plate arranged on the supporting frame, a baffle plate arranged at one end of the sliding plate, a third rotating wheel arranged at the other end of the sliding plate, a third eccentric wheel and a spot welding lifting motor arranged on the supporting frame and connected with the third eccentric wheel, wherein the outer peripheral surface of the third rotating wheel is abutted to the outer peripheral surface of the third eccentric wheel.

8. The welding apparatus of any of claims 1-7, wherein: the welding equipment also comprises a vacuum cover with an accommodating chamber, the vacuum cover is covered on the rack, and the feeding assembly, the welding platform, the material moving welding assembly and the discharging assembly are respectively arranged in the accommodating chamber; the feed bins are installed respectively at the two ends of the vacuum cover, each feed bin comprises a box body installed on the vacuum cover, first windowing and communication are respectively arranged on two side faces of the box body, the accommodating chamber and the second windowing of the box body are respectively arranged, and the box body is provided with a first door plate for windowing and a second door plate for shading the second windowing.

9. The welding apparatus of any of claims 1-7, wherein: the welding equipment further comprises a first camera unit and a second camera unit which are respectively arranged on the rack, the first camera unit is positioned right above the positioning unit, and the second camera unit is positioned right above the welding platform.

10. The welding apparatus of any of claims 1-7, wherein: the feeding assembly comprises a material disc for bearing the second part to be welded, a material storage frame for accommodating the material disc, a feeding lifting unit for driving the material storage frame to lift, and a feeding pushing unit for pushing the material disc in the material storage frame to the welding platform; the feeding pushing unit is installed on the feeding lifting unit, the feeding lifting unit is installed on the rack, and the storage frame is installed on the feeding lifting unit.

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