Plane spot welding automation equipment

Abstract

Automatic plane spot welding equipment comprises a machine table and a machine frame which is arranged on the machine table and provided with an installation position. A feeder used for conveying elastic pieces to serve as workpieces is arranged on the table top of the machine table, the rotating disc device is arranged on the table top of the machine table, the feeding manipulator is used for grabbing the elastic pieces on the feeder and transferring the elastic pieces to a jig, and the laser welding assembly is used for welding the elastic pieces on the jig. The laser welding assembly comprises a laser head corresponding to the jig flowing through the lower side of the laser welding assembly. And the discharging device is used for taking down the welded elastic sheet from the jig. The discharging assembly is provided with a linear module capable of reciprocating in the horizontal direction, a lifting unit arranged on the linear module and a grabbing unit assembled on the lifting unit, and the grabbing unit can reciprocate in the two-axis direction under driving of the linear module and the lifting unit. And therefore, the material taking operation can be accurately carried out, and the discharging efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding equipment technical field, concretely relates to a plane spot welding automation equipment. BACKGROUND

[0002] The elastic sheet is a kind of commonly seen electronic product accessories, which is a sheet-shaped metal sheet, and is usually connected and fixed by welding when connected with other components.

[0003] In the current welding mode, the slide table type welding mode is mostly used, that is, the welding device is arranged on a module capable of sliding along the horizontal plane, and the elastic sheet below the module is welded. After welding, the product is removed from the jig, and then other parts are loaded for re-welding. At this time, manual unloading is used in the unloading mode, which leads to slow unloading rate and seriously affects the welding processing efficiency of the elastic sheet.

[0004] Therefore, the technical scheme provides a plane spot welding automation equipment to solve the above technical problems. INVENTION CONTENTS

[0005] The utility model aims at providing a plane spot welding automation equipment, to solve the above technical problems, the utility model adopts the following technical scheme:

[0006] A plane spot welding automation equipment, comprising a machine table and a rack provided on the machine table and provided with mounting positions, a feeder is arranged on the surface of the machine table to convey elastic sheets as workpieces, a turntable device is arranged on the surface of the machine table and drives a jig loaded with elastic sheets to rotate, and a feeding machine is arranged to grab elastic sheets from the feeder and transfer them to the jig, comprising:

[0007] A laser welding assembly is arranged on the surface of the machine table and suspended above the turntable device, so that when the turntable device rotates, the jig passes under the laser welding assembly in turn, and the laser welding assembly comprises a laser head corresponding to the jig passing under the lower side of the laser welding assembly.

[0008] A unloading device is arranged downstream of the laser welding assembly along the conveying direction of the turntable device to remove the welded elastic sheets from the jig, and the unloading device comprises at least two unloading assemblies arranged side by side, and the unloading assembly comprises

[0009] A linear module is fixedly arranged on the machine table, and one end of the linear module extends above the rotary disc device, and the other end extends towards the outside,

[0010] A lifting unit is drivingly arranged on the linear module and driven by the linear module to reciprocate in a linear direction,

[0011] A grabbing unit is arranged on the lifting unit and reciprocates in a vertical direction under the driving of the lifting unit, and the grabbing unit comprises a mounting plate, and a plurality of suction nozzles are fixedly arranged on the mounting plate in a matrix arrangement.

[0012] Further, the lifting unit comprises;

[0013] A vertical plate is drivingly arranged on the linear module;

[0014] A connecting plate is slidingly connected to the vertical plate in a vertical direction, and the grabbing unit is fixedly arranged on the connecting plate;

[0015] A driving structure is arranged on the vertical plate and drivingly connected to the connecting plate to drive the connecting plate to reciprocate in a linear direction.

[0016] Further, the driving structure comprises a rack slidingly connected to the vertical plate in a vertical direction, and the rack is fixedly connected to the connecting plate;

[0017] Further, the driving structure comprises a rack slidingly connected to the vertical plate in a vertical direction, and the rack is fixedly connected to the connecting plate;

[0018] Further, the mounting plate comprises a

[0019] A plate body;

[0020] A movable element, the movable element has a number matching the number of the suction nozzles, and the suction nozzles are arranged at one end of the movable element, and an adjusting groove is arranged along the length direction of the movable element,

[0021] A fastener is movably arranged in the adjusting groove and is fixedly connected to the plate body.

[0022] Further, the grabbing unit further comprises a rotary air cylinder fixedly arranged on the connecting plate, and the rotary air cylinder is drivingly connected to the mounting plate to drive the mounting plate to rotate.

[0023] Further, the laser welding assembly further comprises:

[0024] A lifting linear module is vertically arranged on the machine table;

[0025] A frame body is arranged on the lifting linear module and is driven by the lifting linear module to reciprocate in the vertical direction, and the laser head is arranged at the end of the frame body.

[0026] Further, a pressing assembly is arranged on the machine table and corresponds to the laser welding assembly, so as to press and support the jig during welding. The pressing assembly comprises a mounting frame and a pressing frame, one end of the pressing frame is fixedly arranged on the mounting frame, the other end of the pressing frame extends towards the direction of the turntable device and is located above the jig, and a window is arranged in the pressing frame for the jig to pass through.

[0027] Further, an identification camera assembly is arranged on the machine table, the identification camera assembly comprises an upper CCD unit and a lower CCD unit, the lower CCD unit is arranged beside the feeding robot, and a lens of the lower CCD unit faces upwards to identify the bullet held by the feeding robot.

[0028] The upper CCD unit is arranged on the upstream side of the laser welding assembly and is suspended above the turntable device, and a lens of the upper CCD unit faces the direction of the jig to identify the bullet on the jig.

[0029] The utility model discloses the beneficial effects are as follows:

[0030] The utility model discloses a plane spot welding automation equipment, through setting up the turntable device, the feeder, the feeding robot, the laser welding assembly and the unloading device on the machine table and the frame, can complete the bullet feeding, welding and unloading procedure in turn in the process that the turntable device makes the rotation, through the unloading device on the frame comprising at least two unloading assemblies that are arranged side by side, at least two unloading assemblies alternately execute unloading action, thereby improve the work efficiency of the workpiece unloading of welding, in the embodiment, the unloading assembly is provided with the linear module that can reciprocate along the horizontal direction, the lifting unit that is arranged on the linear module and the grabbing unit that is assembled on the lifting unit, the grabbing unit can reciprocate along two axial directions under the drive of the linear module and the lifting unit, thereby can accurately carry out the material taking operation, and further improve the efficiency of unloading. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 It is the structural schematic diagram of the utility model.

[0032] Figure 2 It is the structural schematic diagram of the utility model after removing the upper frame body and the material taking robot, the feeder and the jig.

[0033] Figure 3 It is a structure schematic view of the unloading device in the utility model.

[0034] Figure 4 It is a structure schematic view of the lifting unit in the utility model.

[0035] Figure 5 It is an explosion structure schematic view of the grabbing unit in the utility model.

[0036] Figure 6 It is a structure schematic view of the laser welding assembly, the pressing assembly and the identification camera assembly in the utility model.

[0037] In the drawing: 100- machine table;101- machine frame;102- flying feeder;103- feeding machine hand;104- rotary table device;200- laser welding assembly;201- laser head;300- unloading device;310- unloading assembly;311- linear module;312- lifting unit;313- grabbing unit;3131- mounting plate;3132- suction nozzle;3121- vertical plate;3122- connecting plate;3123- rack;3124- driving motor;3125- gear;3133- plate main body;3134- movable piece;3135- adjusting groove;3136- rotary cylinder;202- lifting linear module;203- machine frame;400- pressing assembly;410- mounting piece;420- pressing frame;421- window;500- identification camera assembly;510- upper CCD unit. DETAILED DESCRIPTION

[0038] In order to facilitate the understanding of those skilled in the art, the utility model is further explained below in combination with examples and drawings, and the content mentioned in the implementation manner is not the limitation of the utility model. The utility model is described in detail below in combination with drawings.

[0039] The utility model discloses an automatic equipment of plane spot welding, through setting up carousel device 104, flying dart feeder 102, feeding machine hand 103, laser welding assembly 200 and unloading device 300 on the machine table 100 and the frame 101, can complete the shell feeding, welding and unloading procedure in turn in the process of carousel device 104 doing rotary motion, through the unloading device 300 including at least two unloading assemblies 311 that are set up side by side with each other on the frame 101, at least two unloading assemblies 311 alternate each other and execute unloading action, thereby improve the work efficiency of the workpiece unloading of welding completion, in the embodiment, the unloading assembly 311 is provided with the linear module 311 that can reciprocate along the horizontal direction, the lifting unit 312 that is set up on the linear module 311 and the grabbing unit 313 that is assembled on the lifting unit 312, the grabbing unit 313 can reciprocate along two axial directions under the drive of the linear module 311 and the lifting unit 312, thereby can accurately carry out the material taking operation, and further improve the efficiency of unloading.

[0040] In the embodiment, as shown in Figures 1-6 The utility model discloses an automatic equipment of plane spot welding, including machine table 100 and setting up on machine table 100 and providing with the frame 101 of installation position, the surface of machine table is provided with flying dart feeder for conveying shell as workpiece, carousel device 104 is set up on the surface of machine table and drives the jig for loading shell to do rotary motion, feeding machine hand 103 is used to grab shell on flying dart feeder and transfer on the jig, still include: laser welding assembly 200, unloading device 300, wherein, laser welding assembly 200 is set up on the surface of machine table 100 machine table, and is suspended above carousel device 104, so that when carousel device 104 does rotary motion, the jig passes through laser welding assembly 200 below in turn, laser welding assembly 200 includes the laser head 201 corresponding with the jig flowing through its downside, unloading device 300 is set downstream side of laser welding assembly 200 along carousel device 104 conveying direction, is used to take off the shell on the jig after welding completion, and unloading device 300 includes at least two unloading assemblies 311 that are set up side by side with each other and is formed, and the unloading assembly 311 includes linear module 311, lifting unit 312 and grabbing unit 313, specifically, linear module 311 is fixedly set up on machine table 100 through between, and one end extends to above carousel device 104, and the other end extends towards the outside direction, lifting unit 312 is transmissionally set up on linear module 311, and is driven to reciprocate along the linear direction by it, grabbing unit 313 is set up on lifting unit 312, and reciprocates along the vertical direction under the drive of lifting unit 312, and grabbing unit 313 includes an installation plate 3131, and the suction nozzle 3132 in matrix arrangement is fixedly set up on the installation plate 3131.

[0041] In the process of welding, the sheet flying feeder 102 is conveyed, the sheet feeding machine hand 103 transfers the sheet on the flying feeder 102 to the jig of the turntable device 104, in the process of rotation of the turntable device 104, the sheet and other electronic devices are sequentially through the laser welding assembly 200 and the discharging device 300, thereby sequentially completing the welding of the sheet and the discharging action, after the jig flows below the laser welding assembly 200, the laser head 201 irradiates the workpiece, thereby performing laser welding, then, the discharging assembly 311 takes out the welded workpiece and transfers it out of the turntable device 104, two discharging assemblies 311 are arranged above the machine table 100, thereby enabling the two discharging assemblies 311 to alternately grasp and transfer, thereby improving the discharging speed, it is conceivable that the laser welding is performed by laser rays on specific points of the workpiece, thereby the welding efficiency is relatively fast, when the discharging efficiency is low, it will affect the overall efficiency of the welding equipment, the discharging equipment of the embodiment is provided with at least two discharging assemblies 311 arranged side by side, and the grasping unit 313 of the discharging assembly 311 can stably move along two axial directions, thereby quickly and accurately completing the discharging action and improving the overall discharging efficiency.

[0042] In the embodiment, the lifting unit 312 includes a vertical plate 3121, a connecting plate 3122 and a driving structure, wherein the vertical plate 3121 is drivingly arranged on the linear module 311; the connecting plate 3122 is slidingly connected to the vertical plate 3121 in the vertical direction, and the grasping unit 313 is fixedly arranged on the connecting plate 3122; the driving structure is arranged on the vertical plate 3121 and drivingly connected to the connecting plate 3122 to drive the connecting plate 3122 to move linearly, in the embodiment, the driving structure includes a rack 3123 slidingly connected to the vertical plate 3121 in the vertical direction, and the rack 3123 is fixedly connected to the connecting plate 3122; and a driving motor 3124 is fixedly arranged on the vertical plate 3121, and the output shaft of the motor 3124 is provided with a gear 3125 engaged with the rack 3123.

[0043] That is, the connecting plate 3122 and the grasping unit 313 fixedly connected thereto are driven by the rack 3123 and the gear 3125 structure, thereby realizing reciprocating movement in the vertical direction and completing the action of taking out and discharging the material, the rack 3123 and the gear 3125 structure can accurately drive the grasping unit 313, so that the suction nozzle 3132 can accurately butt joint with the welded workpiece, thereby improving the grasping accuracy and the discharging efficiency.

[0044] In the embodiment, in order to adjust the relative position of each suction nozzle 3132 on the mounting plate 3131, so as to better adapt to the grasping of the workpiece on different jigs, as shown in Figure 5 The mounting plate 3131 includes a plate body 3133, a movable piece 3134, and a fastener. Specifically, the movable piece 3134 has the same number as the suction nozzles 3132, and the suction nozzles 3132 are arranged at one end of the movable piece 3134. The movable piece 3134 has an adjusting groove 3135 along the length direction of the movable piece 3134, and the fastener is movably arranged in the adjusting groove 3135 and is fastened to the plate body 3133. In the embodiment, the fastener is a bolt, which is screwed to the plate body 3133 after being threaded through the adjusting groove 3135. After the bolt is loosened, the movable piece 3134 can move back and forth along the length direction of the adjusting groove 3135, so as to adjust the position of the suction nozzles 3132. After the bolt is tightened, the movable piece 3134 is locked on the plate body 3133, so as to fix the suction nozzles 3132 after the position adjustment, and adapt to the position requirements of different jigs.

[0045] In order to further adjust the position of the suction nozzles 3132, the grasping unit 313 further includes a rotary air cylinder 3136 fixedly arranged on the connecting plate 3122. The rotary air cylinder 3136 is drivingly connected to the mounting plate 3131, so as to drive the mounting plate 3131 to rotate. The rotary air cylinder 3136 drives the mounting plate 3131 to rotate, so as to adjust the external position of the suction nozzles 3132. After the workpiece is grasped by the jig and transported, the workpiece can be repositioned, so as to facilitate the transportation and placement of the workpiece.

[0046] In the embodiment, in order to improve the welding quality, as shown in Figure 6 The laser welding assembly 200 further includes a lifting linear module 202 and a frame 203. The lifting linear module 202 is vertically arranged on the machine table 100. The frame 203 is arranged on the lifting linear module 202 and is driven by the lifting linear module 202 to move back and forth along the vertical direction. The laser head 201 is arranged at one end of the frame 203. That is, the laser head 201 can move under the driving of the lifting linear module 202, so as to adjust the distance between the laser head 201 and the jig, thereby ensuring the intensity and accuracy of the laser beam and the welding quality.

[0047] In the embodiment, as shown in Figure 6As shown, in order to improve the stability of welding, a pressing assembly 400 is further arranged above the machine table 100, which is arranged corresponding to the laser welding assembly 200, and is used to press and support the jig during the welding process. The pressing assembly 400 comprises a mounting frame 410 and a pressing frame 420. One end of the pressing frame 420 is fixedly installed on the pressing frame 420, and the other end extends towards the direction of the turntable device 104 and is located above the jig. A window 421 is arranged inside the pressing frame 420 for the jig to leak out. During the welding process, the jig flows into the range of the pressing frame 420 and is limited by the pressing frame 420. It is conceivable that the upper end of the jig is a flat surface, and the lower end of the pressing frame 420 is also a flat surface. Therefore, the jig can flow to the lower end of the pressing frame 420 and be displayed by the pressing frame 420, avoiding shaking due to equipment operation. At this time, the workpiece on the jig leaks out of the window 421, facilitating welding.

[0048] In order to improve the accuracy of feeding the shell and the jig flowing to the laser welding assembly 200, an identification camera assembly 500 is further arranged above the machine table 100. The identification camera assembly 500 comprises an upper CCD unit 510 and a lower CCD unit (not shown in the figure). The lower CCD unit is arranged beside the feeding robot 103, and the lens faces upward to identify the shell grabbed by the feeding robot 103. The upper CCD unit 510 is arranged on the upstream side of the laser welding assembly 200 and is suspended above the turntable device 104. The lens of the upper CCD unit 510 faces the direction of the jig to identify the shell on the jig.

[0049] The above is only the preferred embodiment of the present application, and does not limit the present application in any form. Although the present application is disclosed as the preferred embodiment, it is not intended to limit the present application. Any skilled person in the art can make some changes or modifications to the above-mentioned technical content without departing from the scope of the present application. Any simple modification, equivalent change and modification of the above-mentioned embodiment within the scope of the present application are all within the scope of the present application.

Claims

1. An automated planar spot welding device, comprising a machine table and a frame disposed on the machine table and provided with an installation position, wherein a feeder for conveying spring sheets as workpieces is disposed on the machine table, a turntable device disposed on the machine table and driving a fixture for loading spring sheets to rotate, and a loading robot for gripping the spring sheets on the feeder and transferring them onto the fixture, characterized in that, Including: A laser welding assembly is disposed on the table of the machine tool and suspended above the turntable device, such that when the turntable device rotates, the fixtures flow sequentially under the laser welding assembly. The laser welding assembly includes a laser head corresponding to the fixtures flowing under it. A feeding device, disposed downstream of the laser welding assembly along the conveying direction of the turntable device, is used to remove the welded spring sheet from the fixture. The feeding device comprises at least two feeding components arranged side-by-side. Each feeding component includes... A linear module is fixedly mounted on the machine base, with one end extending above the turntable device and the other end extending outward. A lifting unit is driven and mounted on the linear module, and is driven by it to reciprocate along a linear direction. A gripping unit is disposed on the lifting unit and moves reciprocally in the vertical direction under the drive of the lifting unit. The gripping unit includes a mounting plate on which suction nozzles arranged in a matrix are fixedly disposed.

2. The automated planar spot welding equipment according to claim 1, characterized in that, The lifting unit includes: A vertical plate, wherein the vertical plate transmission is mounted on the linear module; A connecting plate is slidably connected to the vertical plate in a vertical direction, and the gripping unit is fixedly mounted on the connecting plate; A drive structure is disposed on the vertical plate and is connected to the connecting plate for driving the connecting plate to reciprocate along a straight line.

3. The automated planar spot welding equipment according to claim 2, characterized in that, The driving structure includes a rack that is slidably connected to the vertical plate in a vertical direction, and the rack is fixedly connected to the connecting plate; It also includes a drive motor fixedly mounted on the vertical plate, and the output shaft of the drive motor is equipped with a gear that meshes with the rack.

4. The automated planar spot welding equipment according to claim 2, characterized in that, The mounting plate includes a Main body of the board; The movable component has a number that matches the number of suction nozzles, and the suction nozzles are mounted at one end of the movable component, with an adjustment groove extending along the length of the movable component. Fasteners are provided with a limiting mechanism within the adjustment slot and are securely connected to the plate body.

5. The automated planar spot welding equipment according to claim 4, characterized in that, The gripping unit also includes a rotary cylinder fixedly mounted on the connecting plate. The rotary cylinder is used for the transmission connection of the mounting plate to drive the mounting plate to rotate.

6. The automated planar spot welding equipment according to claim 1, characterized in that, The laser welding assembly also includes: A lifting linear module, wherein the lifting linear module is vertically mounted on the machine base; The frame is mounted on the lifting linear module and is driven by the lifting linear module to move back and forth in the vertical direction. The laser head is mounted on the end of the frame.

7. The automated planar spot welding equipment according to claim 1, characterized in that, A pressing component is also provided on the machine platform. The pressing component is correspondingly provided with the laser welding component and is used to press and straighten the fixture during the welding process. The pressing component includes a mounting bracket and a pressing frame. One end of the pressing frame is fixedly installed on the pressing frame and the other end extends toward the turntable device and is located above the fixture. The pressing frame has a window inside for the fixture to protrude.

8. The automated planar spot welding equipment according to claim 1, characterized in that, The machine is also equipped with a recognition camera assembly, which includes an upper CCD unit and a lower CCD unit. The lower CCD unit is located next to the loading robot and the lens faces upward to recognize the spring pieces grasped by the loading robot. The upper CCD unit is located upstream of the laser welding assembly and suspended above the turntable device, with its lens facing the fixture, for identifying the spring pieces on the fixture.

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