CN111787781A - Automatic welding device for SMD LED lamp bead substrate - Google Patents
Automatic welding device for SMD LED lamp bead substrate Download PDFInfo
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- CN111787781A CN111787781A CN202010571497.8A CN202010571497A CN111787781A CN 111787781 A CN111787781 A CN 111787781A CN 202010571497 A CN202010571497 A CN 202010571497A CN 111787781 A CN111787781 A CN 111787781A
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- size adjusting
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- lamp bead
- bedplate
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/0061—Tools for holding the circuit boards during processing; handling transport of printed circuit boards
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
- B23K3/087—Soldering or brazing jigs, fixtures or clamping means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/90—Methods of manufacture
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/04—Mounting of components, e.g. of leadless components
- H05K13/046—Surface mounting
- H05K13/0465—Surface mounting by soldering
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Engineering & Computer Science (AREA)
- Manipulator (AREA)
Abstract
The invention relates to the technical field of LED lamp bead processing, in particular to an automatic welding device for a surface mounted LED lamp bead substrate, which comprises a linear displacement mechanism, a welding mechanism, a rotary worktable, a size adjusting mechanism, a pressing mechanism, an industrial robot and a controller, wherein the linear displacement mechanism is arranged on the welding mechanism; the welding machine framework is arranged above the stroke tail end of the linear displacement mechanism, the rotary workbench is arranged on the working end of the linear displacement mechanism, the size adjusting mechanism is arranged at the outer edge of the rotary workbench, the working ends move along the radial direction of the rotary workbench, the pressing mechanism is arranged above the outer side of the working end of the size adjusting mechanism, the working end is vertically arranged downwards, and the linear displacement mechanism, the welding mechanism, the rotary workbench, the size adjusting mechanism, the pressing mechanism and the industrial robot are all electrically connected with the controller; the scheme has the advantages of high automation degree, greatly improved welding efficiency, automatic adaptation to the size of the substrate, wide application range, stable structure and high safety.
Description
Technical Field
The invention relates to the technical field of LED lamp bead processing, in particular to an automatic welding device for a surface mounted LED lamp bead substrate.
Background
The LED lamp bead is widely used in the production fields of lamp decoration illumination, LED large screen display, traffic lights, decoration, computers, electronic toy gifts, exchangers, telephones, advertisements, urban light and color engineering and the like.
The LED is a semiconductor light-emitting diode and is made of semiconductor materials so as to directly convert electric energy into light energy and convert an electric signal into a light signal; it features low power consumption, high brightness, gay colour, vibration resistance, long service life (8-10 ten thousand hours of normal light emission), and cold light source.
The existing welding of the high-power SMD LED pin and the tin-plated aluminum substrate adopts manual soldering iron welding or SMT (surface mount technology) mounting welding, and when the temperature of the pin heated by the soldering iron reaches the welding temperature, a soldering tin wire is added to connect the high-power SMD LED pin and the tin-plated aluminum substrate together to complete the welding.
Present LED illumination lamp decoration, most part is discoid, the substrate structure is also the disc, when welding lamp pearl on the base plate, place into the pearl inslot on the base plate with the lamp pearl in turn earlier, reuse welding pen welding, in welding process, if the base plate is fixed insecure, it is relatively poor to make the welding effect easily, and prior art generally relies on the workman to push down the base plate manually and welds, because the welding volume is great, it is great to workman physical demands, need incessantly adjust the base plate position among the welding process simultaneously and accomplish the welding, manual rotatory adjustment base plate causes the lamp pearl to spill easily, cause the loss.
Disclosure of Invention
The technical problem to be solved by the invention is to provide an automatic welding device for a surface mounted LED lamp bead substrate, the technical scheme solves the problems that the automation degree is high, the welding efficiency is greatly improved, the automatic welding device can automatically adapt to the size of the substrate, and is wide in application range, stable in structure and high in safety.
In order to solve the technical problems, the invention provides the following technical scheme:
an automatic welding device for a surface mounted LED lamp bead substrate is characterized by comprising a linear displacement mechanism, a welding mechanism, a rotary workbench, a size adjusting mechanism, a pressing mechanism, an industrial robot and a controller;
the welding machine framework is arranged above the stroke tail end of the linear displacement mechanism, the rotary workbench is arranged at the working end of the linear displacement mechanism, the size adjusting mechanism is arranged at the outer edge of the rotary workbench, the working ends move along the radial direction of the rotary workbench, the pressing mechanism is arranged above the outer side of the working end of the size adjusting mechanism, the working ends are vertically arranged downwards, and the linear displacement mechanism, the welding mechanism, the rotary workbench, the size adjusting mechanism, the pressing mechanism and the industrial robot are all electrically connected with the controller.
As a preferred scheme of an automatic welding device for a surface mounted LED lamp bead substrate, the welding mechanism comprises a portal frame, a shaft manipulator, a welding gun and an industrial camera; the portal frame is erected above the output end of the linear displacement mechanism, the shaft manipulator is installed on the portal frame, the working end of the shaft manipulator is arranged downwards, the welding gun and the industrial camera are installed on the output end of the shaft manipulator, and are oriented to the direction of the rotary workbench in the working state, and the shaft manipulator, the welding gun and the industrial camera are all electrically connected with the controller.
As a preferred scheme of an automatic welding device for a surface mounted LED lamp bead substrate, the rotary worktable comprises a rotary driving assembly, a guide assembly, a bedplate and a rotating shaft; the rotary driving assembly is installed on the movable end of the linear displacement mechanism, the guide assembly is connected with the bottom end of the bedplate, the top end of the rotary driving assembly and the axis of the bedplate in a collinear mode, the rotary shaft is vertically installed at the bottom end of the bedplate and is rotatably connected with the fixed end of the rotary driving assembly, the output end of the rotary driving assembly is fixedly connected with the rotary shaft, the size adjusting mechanisms are radially arranged on the bedplate along the rotary working table, and the rotary driving assembly is electrically connected with the controller.
As a preferred scheme of an automatic welding device for a surface mounted LED lamp bead substrate, the rotary worktable comprises a rotary supporting seat, a first rotary driver, a worm and a worm wheel; the rotary supporting seat is installed on the working end of the linear displacement mechanism, the first rotary driver is installed on the rotary supporting seat, two ends of the worm are rotatably connected with two sides of the rotary supporting seat, one end of the worm is connected with the output end of the first rotary driver, the worm wheel is sleeved on the rotary shaft and meshed with the worm, and the first rotary driver is electrically connected with the controller.
As a preferred scheme of an automatic welding device for a surface mounted LED lamp bead substrate, the guide assembly comprises a guide groove, a support rod and a ball; the guide groove is installed on the rotary driving assembly, the supporting rods are installed at the lower end of the bedplate through the annular installation frame around the axis of the bedplate, the guide groove and the supporting rods are all located on the same axis, the ball bearings with the same number as the supporting rods are connected with the groove balls at the bottom ends of the supporting rods, and the bottom ends of the ball bearings are in rolling connection with the annular grooves at the upper ends of the guide groove.
As a preferred scheme of an automatic welding device for a surface mounted LED lamp bead substrate, the bedplate comprises a lower plate, an upper plate, a fixing plate, a hinge base and a guide rail; the upper plate is coaxially arranged on the lower plate, the diameter of the upper plate is smaller than that of the lower plate, a plurality of fixing plates with the same number as the working ends of the size adjusting mechanisms are perpendicularly arranged at the outer edge of the lower plate, the hinging seats are arranged at the axis of the upper plate, the symmetrical shafts of the guide rails are radially arranged along the bedplate, the fixing plates and the hinging seats are simultaneously in rotating connection with the size adjusting mechanisms, and the guide rails are in sliding connection with the size adjusting mechanisms.
As a preferred scheme of an automatic welding device for a surface mounted LED lamp bead substrate, the size adjusting mechanism comprises a second rotary driver, a screw rod, a sliding block and an anti-pinch gasket; the second rotary driver is installed in swivel work head top edge department, and the screw rod both ends are rotated with swivel work head and are connected, slider and swivel work head sliding connection and with screw rod threaded connection, prevent pressing from both sides the gasket setting in the slider both sides, the second rotary driver is connected with the controller electricity.
As a preferred scheme of an automatic welding device for a surface mounted LED lamp bead substrate, the pressing mechanism comprises a support frame and a linear driver; the support frame is installed on one side of size adjustment mechanism work end keeping away from swivel work head work end axis, and the straight line driver is installed on the support frame and the vertical downward setting of output, and the straight line driver is connected with the controller electricity.
Compared with the prior art, the invention has the beneficial effects that:
the industrial robot is not shown in the figure. The linear displacement mechanism is a ball screw sliding table. Under the initial state, the rotary worktable drives the size adjusting mechanism and the pressing mechanism to be positioned at the input end of the linear displacement mechanism together, so that the working personnel can conveniently feed the substrate. The staff firstly controls the size adjusting mechanism through the controller to adjust the position of the pressing mechanism from the axis of the rotary worktable so as to enable the pressing mechanism and the rotary worktable to be in a separated state, so that the substrate is placed on the working end of the size adjusting mechanism. Then the controller independently controls a plurality of working ends of the size adjusting mechanism to approach to the axis direction of the rotary workbench and enables the pressing mechanisms above the working ends to move to the edge of the substrate, and then the controller controls the working ends of the pressing mechanisms to move downwards to press the substrate on the working ends of the size adjusting mechanism. The size adjusting mechanism working ends and the pressing mechanisms above the size adjusting mechanism working ends are preferably provided with three groups, the pressing structure of the base plate is stable through three points, and meanwhile, excessive waste cost is avoided. Then the controller sends a signal to the welding mechanism and the rotary worktable, the welding mechanism receives the signal and automatically welds the LED lamp beads placed on the substrate by the industrial robot according to the welding position on the identified substrate, and the rotary worktable rotates the substrate above the rotary worktable after receiving the signal to match the welding operation of the welding mechanism. After welding, the controller controls the working end of the linear displacement mechanism to drive the rotary worktable and the substrate welded on the rotary worktable to move to the input end of the linear displacement mechanism together for blanking.
1. The automation degree is high, and the welding efficiency is greatly improved;
2. the size of the substrate can be automatically adapted, and the application range is wide;
3. stable structure and high safety.
Drawings
FIG. 1 is an overall perspective view of the present invention;
FIG. 2 is a perspective view of the welding mechanism of the present invention;
FIG. 3 is a partial perspective view of the first embodiment of the present invention;
FIG. 4 is an exploded perspective view of FIG. 3;
FIG. 5 is a perspective view of a platen of the present invention;
fig. 6 is a partial perspective view of the second embodiment of the present invention.
The reference numbers in the figures are:
1. a linear displacement mechanism;
2. a welding mechanism; 2a, a portal frame; 2b, an XYZ-axis manipulator; 2c, a welding gun; 2d, industrial cameras;
3. rotating the working table; 3a, a rotation driving component; 3a1, rotating the supporting seat; 3a2, first rotary drive; 3a3, worm; 3a4, worm gear; 3b, a guide component; 3b1, guide groove; 3b2, support bar; 3b3, balls; 3c, a bedplate; 3c1, lower plate; 3c2, upper plate; 3c3, fixing plate; 3c4, hinged seat; 3c5, guide rails; 3d, a rotating shaft;
4. a size adjustment mechanism; 4a, a second rotary driver; 4b, a screw; 4c, a sliding block; 4d, anti-pinch gaskets;
5. a hold-down mechanism; 5a, a support frame; 5b, linear driver.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1, an automatic welding device for a chip LED lamp bead substrate comprises a linear displacement mechanism 1, a welding mechanism 2, a rotary table 3, a size adjusting mechanism 4, a pressing mechanism 5, an industrial robot and a controller;
the welding mechanism 2 is erected above the stroke end of the linear displacement mechanism 1, the rotary workbench 3 is installed on the working end of the linear displacement mechanism 1, the size adjusting mechanism 4 is arranged at the outer edge of the rotary workbench 3, the working ends move along the radial direction of the rotary workbench 3, the pressing mechanism 5 is installed above the outer side of the working end of the size adjusting mechanism 4, the working ends are vertically arranged downwards, the linear displacement mechanism 1, the welding mechanism 2, the rotary workbench 3, the size adjusting mechanism 4, the pressing mechanism 5 and the industrial robot are all electrically connected with the controller.
The industrial robot is not shown in the figure. The linear displacement mechanism 1 is a ball screw sliding table. In the initial state, the rotary worktable 3 is provided with the size adjusting mechanism 4 and the pressing mechanism 5 which are positioned at the input end of the linear displacement mechanism 1 together, so that the working personnel can conveniently feed the substrate. The operator firstly controls the size adjusting mechanism 4 through the controller to adjust the position of the pressing mechanism 5 from the axis of the rotary table 3 so that the pressing mechanism 5 and the rotary table are separated from each other, and therefore the substrate is placed on the working end of the size adjusting mechanism 4. Then the controller independently controls a plurality of working ends of the size adjusting mechanism 4 to approach to the axis direction of the rotary worktable 3 and enables the pressing mechanisms 5 above the working ends to move to the edge of the substrate, and then the controller controls the working ends of the pressing mechanisms 5 to move downwards to press the substrate on the working ends of the size adjusting mechanism 4. The working ends of the size adjusting mechanisms 4 and the pressing mechanisms 5 above the size adjusting mechanisms are preferably provided with three groups, the pressing structure of the base plate is stable through three points, and meanwhile, excessive waste cost is avoided. Then the controller sends a signal to the welding mechanism 2 and the rotary worktable 3, the welding mechanism 2 automatically welds the LED lamp beads placed on the substrate by the industrial robot according to the welding position on the identified substrate after receiving the signal, and the rotary worktable 3 drives the substrate above the rotary worktable to rotate after receiving the signal so as to match the welding operation of the welding mechanism 2. After welding, the controller controls the working end of the linear displacement mechanism 1 to drive the rotary worktable 3 and the substrate welded on the rotary worktable 3 to move to the input end of the linear displacement mechanism 1 together for blanking.
As shown in fig. 2, the welding mechanism 2 includes a gantry 2a, a shaft robot 2b, a welding gun 2c, and an industrial camera 2 d; the portal frame 2a is erected above the output end of the linear displacement mechanism 1, the shaft manipulator 2b is installed on the portal frame 2a, the working end of the shaft manipulator is arranged downwards, the welding gun 2c and the industrial camera 2d are installed on the output end of the shaft manipulator 2b, the working state of the shaft manipulator faces the direction of the rotary workbench 3, and the shaft manipulator 2b, the welding gun 2c and the industrial camera 2d are all electrically connected with the controller.
The axis manipulator 2b is an XYZ cartesian robot, and provides three-dimensional omnidirectional movement control for the welding gun 2c and the industrial camera 2 d. The gantry 2a provides support for the axis robot 2 b. The controller positions the welding position on the substrate by using the welding torch 2c and then controls the welding torch 2c to automatically weld.
As shown in fig. 3 and 4, the rotary table 3 includes a rotary driving assembly 3a, a guide assembly 3b, a platen 3c, and a rotary shaft 3 d; the rotary driving assembly 3a is installed on the movable end of the linear displacement mechanism 1, the guide assembly 3b is connected with the bottom end of the bedplate 3c and the top end of the rotary driving assembly 3a and is collinear with the axis of the bedplate 3c, the rotating shaft 3d is vertically installed at the bottom end of the bedplate 3c and is rotatably connected with the fixed end of the rotary driving assembly 3a, the output end of the rotary driving assembly 3a is fixedly connected with the rotating shaft 3d, the size adjusting mechanisms 4 are radially arranged on the bedplate 3c along the rotary workbench 3, and the rotary driving assembly 3a is electrically connected with the controller.
The controller sends a signal to the rotation driving component 3a, the output end of the rotation driving component 3a drives the rotation shaft 3d to rotate, and the fixed end of the rotation driving component 3a plays a role in stabilizing the rotation of the rotation shaft 3 d. The rotating shaft 3d rotates with the bedplate 3c, and the guide assembly 3b guides the rotation of the bedplate 3c to stabilize the structure, thereby improving the precision of later welding.
As shown in fig. 4, the rotary table 3 includes a rotary supporting seat 3a1, a first rotary driver 3a2, a worm 3a3 and a worm wheel 3a 4; the rotary supporting seat 3a1 is installed on the working end of the linear displacement mechanism 1, the first rotary driver 3a2 is installed on the rotary supporting seat 3a1, two ends of the worm 3a3 are rotatably connected with two sides of the rotary supporting seat 3a1, one end of the worm is connected with the output end of the first rotary driver 3a2, the worm wheel 3a4 is sleeved on the rotary shaft 3d and meshed with the worm 3a3, and the first rotary driver 3a2 is electrically connected with the controller.
The first rotary driver 3a2 is a servo motor. The controller sends a signal to the first rotary driver 3a2, the first rotary driver 3a2 receives the signal and then drives the worm 3a3 to rotate, the worm 3a3 finally transmits the torque to the rotating shaft 3d through the meshing action with the worm wheel 3a4, the torque is greatly increased, and the driving effect is improved.
As shown in fig. 4, the guide assembly 3b includes a guide groove 3b1, a support bar 3b2 and a ball 3b 3; the guide groove 3b1 is installed on the rotary driving component 3a, a plurality of support rods 3b2 are installed at the lower end of the bedplate 3c around the axis of the bedplate 3c through an annular mounting frame, the bedplate 3c, the guide groove 3b1 and the support rods 3b2 are all located on the same axis, the same number of balls 3b3 as the support rods 3b2 are connected with the groove balls at the bottom end of the support rods 3b2, and the bottom ends of the balls 3b3 are connected with the annular grooves at the upper ends of the guide grooves 3b1 in a rolling mode.
Through the mutual matching of the guide groove 3b1, the support rod 3b2 and the ball 3b3, the effect of supporting the bedplate 3c is achieved, sliding friction generated by rotation is converted into rolling friction, friction force is reduced, and the smoothness of the rotation of the bedplate 3c is improved.
As shown in fig. 5, the bedplate 3c comprises a lower plate 3c1, an upper plate 3c2, a fixing plate 3c3, a hinge seat 3c4 and a guide rail 3c 5; the upper plate 3c2 is coaxially arranged on the lower plate 3c1, the diameter of the upper plate 3c2 is smaller than that of the lower plate 3c1, a plurality of fixing plates 3c3 with the same number as the working ends of the size adjusting mechanism 4 are vertically arranged at the outer edge of the lower plate 3c1, a hinged seat 3c4 is arranged at the axis of the upper plate 3c2, the symmetric axis of the guide rail 3c5 is radially arranged along the bedplate 3c, the fixing plates 3c3 and the hinged seat 3c4 are simultaneously in rotating connection with the size adjusting mechanism 4, and the guide rail 3c5 is in sliding connection with the size adjusting mechanism 4.
The lower plate 3c1 has a larger diameter than the upper plate 3c2 to provide space for the working end of the size adjustment mechanism 4 to be discrete. The guide rail 3c5 provides a guide for the movement of the working end of the size adjustment mechanism 4. The assembly of size-adjusting mechanism 4 that directly drives the working end of size-adjusting mechanism 4 is fixed by fixing plate 3c3 and hinge base 3c 4. The hinge seats 3c4 are shown as triangular structures for corresponding numbers of corresponding components on the size adjustment mechanism 4.
As shown in fig. 6, the size adjusting mechanism 4 includes a second rotary driver 4a, a screw 4b, a slider 4c and an anti-pinch pad 4 d; second rotary actuator 4a installs in 3 top edges department of swivel work head, and the screw rod 4b both ends rotate with 3 work ends of swivel work head to be connected, slider 4c and 3 work ends sliding connection of swivel work head and with screw rod 4b threaded connection, prevent that clamp gasket 4d sets up in slider 4c both sides, and second rotary actuator 4a is connected with the controller electricity.
The second rotary driver 4a is a servo motor. The controller drives the screw rod 4b to rotate through the second rotary driver 4a, and the screw rod 4b drives the slide block 4c to move along the radial direction of the rotary table 3. For preventing to cause the injury to the staff when a plurality of sliders 4c are close to each other set up in slider 4c department of laminating each other and prevent pressing from both sides gasket 4d and provide the protection to the staff, the security improves greatly.
As shown in fig. 6, the pressing mechanism 5 includes a support frame 5a and a linear actuator 5 b; the support frame 5a is installed on one side of the working end of the size adjusting mechanism 4 far away from the axis of the working end of the rotary worktable 3, the linear driver 5b is installed on the support frame 5a, the output end of the linear driver is vertically arranged downwards, and the linear driver 5b is electrically connected with the controller.
The support frame 5a is also provided with an infrared photoelectric proximity switch for sensing the substrate. The support frame 5a provides support for the linear actuator 5 b. The controller controls the output end of the linear driver 5b to move downwards to press the substrate on the working end of the rotary worktable 3 to fix the substrate.
The working principle of the invention is as follows:
the industrial robot is not shown in the figure. The linear displacement mechanism 1 is a ball screw sliding table. In the initial state, the rotary worktable 3 is provided with the size adjusting mechanism 4 and the pressing mechanism 5 which are positioned at the input end of the linear displacement mechanism 1 together, so that the working personnel can conveniently feed the substrate. The operator firstly controls the size adjusting mechanism 4 through the controller to adjust the position of the pressing mechanism 5 from the axis of the rotary table 3 so that the pressing mechanism 5 and the rotary table are separated from each other, and therefore the substrate is placed on the working end of the size adjusting mechanism 4. Then the controller independently controls a plurality of working ends of the size adjusting mechanism 4 to approach to the axis direction of the rotary worktable 3 and enables the pressing mechanisms 5 above the working ends to move to the edge of the substrate, and then the controller controls the working ends of the pressing mechanisms 5 to move downwards to press the substrate on the working ends of the size adjusting mechanism 4. The working ends of the size adjusting mechanisms 4 and the pressing mechanisms 5 above the size adjusting mechanisms are preferably provided with three groups, the pressing structure of the base plate is stable through three points, and meanwhile, excessive waste cost is avoided. Then the controller sends a signal to the welding mechanism 2 and the rotary worktable 3, the welding mechanism 2 automatically welds the LED lamp beads placed on the substrate by the industrial robot according to the welding position on the identified substrate after receiving the signal, and the rotary worktable 3 drives the substrate above the rotary worktable to rotate after receiving the signal so as to match the welding operation of the welding mechanism 2. After welding, the controller controls the working end of the linear displacement mechanism 1 to drive the rotary worktable 3 and the substrate welded on the rotary worktable 3 to move to the input end of the linear displacement mechanism 1 together for blanking.
Claims (8)
1. An automatic welding device for a surface mounted LED lamp bead substrate is characterized by comprising a linear displacement mechanism (1), a welding mechanism (2), a rotary worktable (3), a size adjusting mechanism (4), a pressing mechanism (5), an industrial robot and a controller;
welding mechanism (2) erect in the terminal top of straight line displacement mechanism (1) stroke, install on straight line displacement mechanism (1) work end rotatory workstation (3), size adjusting mechanism (4) set up in rotatory workstation (3) periphery department and a plurality of work end along rotatory workstation (3) radial motion, hold-down mechanism (5) are installed in the vertical downward setting of work end outside top and the work end of size adjusting mechanism (4), straight line displacement mechanism (1), welding mechanism (2), rotatory workstation (3), size adjusting mechanism (4), hold-down mechanism (5), industrial robot all is connected with the controller electricity.
2. The automatic welding device for the SMD LED lamp bead substrate according to claim 1, wherein said welding mechanism (2) comprises a gantry (2 a), a shaft manipulator (2 b), a welding gun (2 c) and an industrial camera (2 d); the gantry (2 a) is erected above the output end of the linear displacement mechanism (1), the shaft manipulator (2 b) is installed on the gantry (2 a) and the working end of the shaft manipulator is arranged downwards, the welding gun (2 c) and the industrial camera (2 d) are installed on the output end of the shaft manipulator (2 b) and face the direction of the rotary workbench (3) in the working state, and the shaft manipulator (2 b), the welding gun (2 c) and the industrial camera (2 d) are all electrically connected with the controller.
3. The automatic welding device for the SMD LED lamp bead substrate is characterized in that the rotary workbench (3) comprises a rotary driving component (3 a), a guide component (3 b), a bedplate (3 c) and a rotating shaft (3 d); the rotary driving assembly (3 a) is installed on the movable end of the linear displacement mechanism (1), the guide assembly (3 b) is connected with the bottom end of the bedplate (3 c) and the top end of the rotary driving assembly (3 a) and is collinear with the axis of the bedplate (3 c), the rotary shaft (3 d) is vertically installed at the bottom end of the bedplate (3 c) and is rotationally connected with the fixed end of the rotary driving assembly (3 a), the output end of the rotary driving assembly (3 a) is fixedly connected with the rotary shaft (3 d), the plurality of size adjusting mechanisms (4) are radially arranged on the bedplate (3 c) along the rotary working table (3), and the rotary driving assembly (3 a) is electrically connected with the controller.
4. The automatic welding device for the chip LED lamp bead substrate according to the claim 3, characterized in that the rotary worktable (3) comprises a rotary supporting seat (3 a 1), a first rotary driver (3 a 2), a worm (3 a 3) and a worm wheel (3 a 4); the rotary supporting seat (3 a 1) is installed on the working end of the linear displacement mechanism (1), the first rotary driver (3 a 2) is installed on the rotary supporting seat (3 a 1), two ends of the worm (3 a 3) are rotatably connected with two sides of the rotary supporting seat (3 a 1), one end of the worm is connected with the output end of the first rotary driver (3 a 2), the worm wheel (3 a 4) is sleeved on the rotating shaft (3 d) and meshed with the worm (3 a 3), and the first rotary driver (3 a 2) is electrically connected with the controller.
5. The automatic welding device for the LED lamp bead substrate of the paster according to the claim 3, characterized in that the guiding component (3 b) comprises a guiding groove (3 b 1), a supporting rod (3 b 2) and a ball (3 b 3); the guide groove (3 b 1) is installed on the rotary driving component (3 a), a plurality of supporting rods (3 b 2) are installed at the lower end of the bedplate (3 c) through an annular mounting frame around the axis of the bedplate (3 c), the guide groove (3 b 1) and the supporting rods (3 b 2) are all located on the same axis, balls (3 b 3) with the same number as the supporting rods (3 b 2) are connected with groove balls at the bottom ends of the supporting rods (3 b 2), and the bottom ends of the balls (3 b 3) are in rolling connection with annular grooves at the upper ends of the guide groove (3 b 1).
6. The automatic welding device for the LED patch lamp bead substrate as claimed in claim 3, wherein the bedplate (3 c) comprises a lower plate (3 c 1), an upper plate (3 c 2), a fixing plate (3 c 3), a hinge seat (3 c 4) and a guide rail (3 c 5); the upper plate (3 c 2) is coaxially arranged on the lower plate (3 c 1), the diameter of the upper plate (3 c 2) is smaller than that of the lower plate (3 c 1), a plurality of fixing plates (3 c 3) with the same number as the working ends of the size adjusting mechanism (4) are vertically arranged at the outer edge of the lower plate (3 c 1), a hinge seat (3 c 4) is arranged at the axis of the upper plate (3 c 2), the symmetrical shafts of the guide rails (3 c 5) are radially arranged along the bedplate (3 c), the fixing plates (3 c 3) and the hinge seat (3 c 4) are simultaneously and rotatably connected with the size adjusting mechanism (4), and the guide rails (3 c 5) are in sliding connection with the size adjusting mechanism (4).
7. The automatic welding device for the SMD LED lamp bead substrate is characterized in that the size adjusting mechanism (4) comprises a second rotary driver (4 a), a screw rod (4 b), a sliding block (4 c) and an anti-pinch gasket (4 d); second rotary actuator (4 a) is installed in rotatory workstation (3) top periphery department, and screw rod (4 b) both ends are rotated with rotatory workstation (3) work end and are connected, slider (4 c) and rotatory workstation (3) work end sliding connection and with screw rod (4 b) threaded connection, prevent pressing from both sides the gasket (4 d) setting in slider (4 c) both sides, second rotary actuator (4 a) are connected with the controller electricity.
8. The automatic welding device for the SMD LED lamp bead substrate is characterized in that the pressing mechanism (5) comprises a support frame (5 a) and a linear driver (5 b); the support frame (5 a) is installed on one side of the working end of the size adjusting mechanism (4) far away from the axis of the working end of the rotary workbench (3), the linear driver (5 b) is installed on the support frame (5 a) and the output end of the linear driver is vertically arranged downwards, and the linear driver (5 b) is electrically connected with the controller.
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| CN202010571497.8A CN111787781B (en) | 2020-06-22 | 2020-06-22 | Automatic welding device for SMD LED lamp bead substrate |
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| CN202010571497.8A CN111787781B (en) | 2020-06-22 | 2020-06-22 | Automatic welding device for SMD LED lamp bead substrate |
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| CN111787781B CN111787781B (en) | 2021-12-03 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115121898A (en) * | 2022-07-27 | 2022-09-30 | 良业科技集团股份有限公司 | Welding equipment is used in scenic spot LED lamp production |
| CN116252065A (en) * | 2023-05-15 | 2023-06-13 | 山西星心半导体科技有限公司 | An automatic welding device for SMD LED lamp bead substrate |
| CN116604227A (en) * | 2023-05-04 | 2023-08-18 | 江苏纳沛斯半导体有限公司 | Lead wire welding mechanism for semiconductor packaging |
| CN117066801A (en) * | 2023-10-17 | 2023-11-17 | 运城市安宏节能防爆风机有限公司 | Fan blade welding tool and application method thereof |
| CN119260106A (en) * | 2024-12-12 | 2025-01-07 | 浙江宝丰机电有限公司 | An electrical component welding fixture |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115121898A (en) * | 2022-07-27 | 2022-09-30 | 良业科技集团股份有限公司 | Welding equipment is used in scenic spot LED lamp production |
| CN116604227A (en) * | 2023-05-04 | 2023-08-18 | 江苏纳沛斯半导体有限公司 | Lead wire welding mechanism for semiconductor packaging |
| CN116252065A (en) * | 2023-05-15 | 2023-06-13 | 山西星心半导体科技有限公司 | An automatic welding device for SMD LED lamp bead substrate |
| CN117066801A (en) * | 2023-10-17 | 2023-11-17 | 运城市安宏节能防爆风机有限公司 | Fan blade welding tool and application method thereof |
| CN117066801B (en) * | 2023-10-17 | 2024-02-02 | 运城市安宏节能防爆风机有限公司 | Fan blade welding tool and application method thereof |
| CN119260106A (en) * | 2024-12-12 | 2025-01-07 | 浙江宝丰机电有限公司 | An electrical component welding fixture |
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| CN111787781B (en) | 2021-12-03 |
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