CN211072146U - Leadless electronic components rosin joint welding set - Google Patents

Abstract

The utility model relates to a leadless electronic components rosin joint welding set, including clamping jaw mechanism and inverter, clamping jaw mechanism and inverter pulse electric connection, just the circular telegram is welded when clamping jaw mechanism drives the lead wire butt at electronic components body both ends, and the electric welding machine heating is concentrated in an instant, and the deformation is little, and welding speed is fast; the depth and width of the welding line are accurately controllable, the welding line is smooth and attractive, and the quality of the welding line is high; the positioning precision is high, the welding process performance is obviously improved by combining with an inverter, the original quality of electronic components can be ensured not to be damaged, and the quality of finished products is improved. The existing mechanism is matched with an inverter power supply, the inverter power supply can accurately adjust and control the time and the size of current release to ensure the welding performance precision, a leadless electronic component is manufactured, the longitudinal stress between a welded lead and the electronic component is small, a blade can be cut off only by lightly touching the blade, but the transverse stress between the lead and a resistor is large, and the metal cap crater is very few and can hardly be seen after the cutting.

Description

Leadless electronic components rosin joint welding set

Technical Field

The utility model relates to an electronic component production technical field indicates a leadless electronic components rosin joint welding set especially.

Background

Leadless electronic components can be soldered by SMT (surface mount technology), so that the demand for leadless electronic components is increasing. In order to facilitate the manufacture of leadless electronic components, for example, the electronic components need to be fixed in processing modes such as winding and painting on the electronic component body, leads need to be welded at two ends of the metal cap, and the leads at two ends of the metal cap are cut off after all processes are completed.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a degree of automation is high, and it is effectual to weld, and the no lead wire electronic components rosin joint welding set that the finished product is of high quality.

In order to achieve the above object, the utility model adopts the following technical scheme: a lead-free electronic component cold-solder welding device comprises a welding machine stand, wherein a biscuit conveying mechanism, a lead supply mechanism, a piezoelectric electrode mechanism, a nozzle clamping mechanism, a cam driving mechanism, a cutter mechanism and an inverter power supply are arranged on the welding machine stand, the cam driving mechanism is respectively mechanically connected with the biscuit conveying mechanism, the lead supply mechanism, the piezoelectric electrode mechanism, the nozzle clamping mechanism and the cutter mechanism and provides power for the mechanisms, the biscuit conveying mechanism is used for conveying biscuits and arranged between the nozzle clamping mechanisms, the electrode pressing mechanism is arranged in front of the biscuit conveying mechanism and presses the biscuits into the biscuit conveying mechanism, the lead supply mechanism is arranged on one side of the nozzle clamping mechanism and conveys leads into the nozzle clamping mechanism, the nozzle clamping mechanism is electrically connected with the power supply, when the nozzle clamping mechanism drives the leads to be abutted to two ends of the biscuit, the inverter power supply direct current output enables the leads to be instantly electrified and welded with the biscuit, the cutter mechanism is arranged on one side of the element conveying mechanism and is used for cutting off the lead.

Preferably, the clamping mouth mechanism comprises an anode clamping mouth assembly and a cathode clamping mouth assembly, the anode clamping mouth assembly and the cathode clamping mouth assembly are respectively arranged on two opposite sides of the electrode pressing mechanism, the anode clamping mouth assembly and the cathode clamping mouth assembly are respectively in electrical pulse connection with the anode and the cathode of the inverter power supply, the anode clamping mouth assembly and the cathode clamping mouth assembly respectively drive the leads to move to two ends of the element, and the leads at the two ends are respectively abutted against the element to be electrified so as to be fixedly welded with the element. Anodal clamping jaw subassembly and negative pole clamping jaw subassembly all include first clamping jaw, first clamping jaw casket, second clamping jaw casket, clamping jaw clearance screw, clamping jaw clearance fixation nut, clamping jaw arm, clamping jaw head, the axle that moves that twists and press the stick, the clamping jaw arm passes through clamping jaw clearance screw and is established on pressing the stick with clamping jaw clearance fixation nut, the clamping jaw head is established on the clamping jaw arm, first clamping jaw is established in the clamping jaw head with first clamping jaw casket, second clamping jaw is established in the clamping jaw head with second clamping jaw casket, first clamping jaw sets up with the second clamping jaw relatively, the axle that moves that twists is worn to establish on the clamping jaw head.

Preferably, the inverter comprises a first discharge box and a second discharge box, the first discharge box is respectively and electrically connected with the element supply mechanism, the lead supply mechanism, the piezoelectric electrode mechanism and the cutter mechanism, the second discharge box is electrically connected with the nozzle clamping mechanism and comprises a power supply control box and a transformer, the power control box comprises a driving circuit, an MCU micro control unit, a diagnosis unit, a circuit protection unit, a data transmission unit and a heat dissipation mechanism, wherein each unit is electrically connected with the driving circuit, the MCU micro control unit comprises a current monitoring module, a voltage monitoring module and a power monitoring module, the driving circuit comprises a rectifier bridge module and an IGBT module, the rectifier bridge module is used for converting alternating current into direct current, the IGBT module is used for converting direct current into pulse alternating current, and the transformer is used for transforming the pulse alternating current and converting the pulse alternating current into pulse direct current to be output to the clamping mouth mechanism.

Preferably, the biscuit conveying mechanism comprises a hopper, a blanking device, a biscuit feeding mechanism and a V-shaped polar plate mechanism, the hopper and the blanking device are arranged above the biscuit feeding mechanism, the biscuit feeding mechanism feeds biscuits to the V-shaped polar plate mechanism, and the V-shaped polar plate mechanism carries biscuits in a positioning manner.

Preferably, the lead wire supply mechanism comprises a wire loosening detector, a wire bending correction pinwheel frame, a wire initial end taking-out device, a wire bending adjustment rubber wheel column, a wire feeding rubber wheel, an over-tension detector, balance wheels, a wire feeding wheel button, a wire feeding wheel, a wire up-down positioning device, a V-shaped groove positioning wheel and a wire end detector, wherein the wire feeding wheel is installed on the vertical plate through the wire feeding wheel button, three wire feeding rubber wheels are installed at the upper right of the wire feeding wheel and pressed at the outer edge of the wire feeding wheel, two balance wheels are installed at the lower left of the wire feeding wheel and abutted against the wire feeding wheel, the wire loosening detector, the wire bending correction pinwheel frame, the wire initial end taking-out device and the wire bending adjustment rubber wheel column are respectively arranged at the upper left of the wire feeding wheel, the wire bending adjustment rubber wheel column is provided with an adjustment rubber wheel, the wire up-down positioning device is arranged at the lower right of the wire feeding wheel, the over-tension detector is arranged on the right side of the line delivery wheel, the V-shaped groove positioning wheel is arranged below the over-tension detector, and the line end detector is arranged at one end of the vertical plate.

Preferably, the pressure electrode mechanism includes piezoelectric pole piece, piezoelectric pole arm, fixed wrist, front and back adjusting screw, fixed pressure adjusting screw, fixed spring, fixed control rod, free height adjusting screw, contact son and second V type electrode plectane, fixed and fixed control rod transmission is connected, the piezoelectric pole arm is connected with fixed wrist transmission through front and back adjusting screw, the piezoelectric pole piece is established on the piezoelectric pole arm, fixed spring establishes in fixed bowl, fixed pressure adjusting screw passes fixed wrist and fixed spring connection, free height adjusting screw wears to establish on fixed wrist, contact son and the lower surface at fixed wrist is established to second V type motor flange.

Preferably, cutter mechanism includes pipe blade holder, pipe sword, cutter, cuts the handle of a knife, cutter holder fixed screw, pipe blade holder lid and compression spring, the cutter holder passes through cutter holder fixed screw and installs on the welding frame platform, pipe blade holder and pipe blade holder lid are installed on the cutter holder through pipe blade holder fixed screw, it installs on the cutter holder to cut the handle of a knife, the cutter is installed on cutting the handle of a knife, the pipe sword is worn to establish on the pipe blade holder through compression spring.

Preferably, the cutting device further comprises a pressurizing mechanism, and the pressurizing mechanism is in transmission connection with the cutter mechanism.

Preferably, the cam driving mechanism comprises a one-way clutch, a driven wheel, an instant driving wheel, a fixed cam, a clamping mouth switch cam, a pressurizing cam, a cutter cam, a feeding cam, a reducer driving wheel, a positioner cam, a handle wheel, a central shaft, an electromagnetic clutch, a driven wheel, a unidirectional clutch for a motor and a sleeve bearing, the central shaft penetrates through the welding machine frame, the handle wheel and the one-way clutch are respectively arranged at two ends of the central shaft, the motor unidirectional clutch is arranged beside the unidirectional clutch in a penetrating way, the driven wheel is arranged on the motor unidirectional clutch in a penetrating way through the sleeve bearing, the instantaneous driving wheel is arranged beside the driven wheel in a penetrating way, the electromagnetic clutch and the driven wheel are arranged beside the handle wheel in a penetrating mode, and the fixed cam, the clamping mouth switch cam, the pressurizing cam, the cutter cam, the feeding cam, the speed reducer driving wheel and the positioner cam are arranged on the central shaft in a penetrating mode.

Preferably, the device further comprises a control box, wherein the control box is provided with a solvent voltmeter, a prime supply switch, a welding action switch, a wire feeding motor switch, a combination switch, a main motor speed adjusting button, a vibration plate switch, a forced wire feeding switch, a final wire indicating lamp, a rotating speed indicator, a first completion range indicating lamp, a prime inductor indicating lamp, a welding completion induction switch, a material jumping induction switch, a wire feeding induction switch, a counter, a first wire loosening indicating lamp, a second completion range indicating lamp, a feeding positioning indicating lamp and a prime supply abnormity indicating lamp.

The beneficial effects of the utility model reside in that:

1. the utility model has high automation degree, realizes the integrated production of blanking, element conveying, lead wire conveying and welding, has high automation degree and effectively improves the welding efficiency;

2. the utility model discloses a welding mechanism cooperation invertion power supply, invertion power supply can accurate adjustable control release current's time and size, guarantee the welding performance precision, the leadless electronic components of preparation, the longitudinal stress is less between welding back lead wire and electronic components, the cutting edge only need touch gently alright cut off, nevertheless transverse stress is big between lead wire and resistance, it is very few to cut off the back metal cap crater, almost can't see, and the defective percentage obtains effectively reducing. When the electronic component with the lead is manufactured, the lead can be more firmly welded with various metal materials of the cap.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged view at a in fig. 1.

FIG. 3 is a schematic view of the structure of the element supplying mechanism.

Fig. 4 is a schematic structural view of the lead wire feeding mechanism.

Fig. 5 is a schematic structural view of the piezoelectric electrode mechanism.

Fig. 6 is a schematic structural view of the mouthpiece mechanism.

FIG. 7 is a connecting structure of the pressing mechanism and the cutter mechanism

Fig. 8 is a schematic structural view of the cam driving mechanism.

Fig. 9 is a schematic structural view of the control box.

Fig. 10 is a schematic front view of the power control box.

Fig. 11 is a rear schematic view of the power control box.

Fig. 12 is a schematic front view of a transformer.

Fig. 13 is a schematic diagram of the back of the transformer.

Fig. 14 is a schematic circuit diagram of the second discharge tank.

Fig. 15 is a schematic diagram of a constant current mode according to the present invention.

Fig. 16 is a graph illustrating the constant voltage mode according to the present invention.

Fig. 17 is a graph illustrating the constant power mode of the present invention.

Description of reference numerals:

1. a blanking mechanism;

2. a hopper;

3. an element supply mechanism; 31. a magnetic attraction magnet; 32. a blanking wheel; 33. a blanking wheel cover; 34. R guide plate; 35. a material detector; 36. an acrylic protective cover; 37. a feeder head; 38. a motor; 39. a motor position index; 310. a first air switch; 311. feeder up and down ADJ buttons; 312. a slide plate seat fixing screw; 313. front and rear ADJ buttons of the feeder; 314. a spring guide tube; 315. a cover is connected; 316. a first V-shaped electrode circular plate; 317. adjusting screws of the blanking wheel; 318. a prime supply abnormality detector; 319. anti-slip positioning; 320. positioning the anti-slip front end; 321. an air nozzle;

4. a V-shaped polar plate mechanism;

5. a lead wire supply mechanism; 51. a line release detector; 52. a line bending correction pin wheel frame; 53. taking out the initial end of the line; 54. the line bending adjusts the rubber wheel column; 55. a wire feeding rubber wheel; 56. a supertension detector; 57. a balance wheel; 58. the line is sent out of the wheel button; 59. a line delivery wheel; 510. the lines are positioned up and down; 511. v-shaped groove positioning wheels; 512. a line end detector;

6. a nozzle clamping mechanism; 61. a first nip; 62. a first nip box; 63. a first clip mouth box fixing screw; 64. a second nip; 65. a first jaw fixing screw; 66. a second nip box; 67. a second clamping mouth box fixing screw; 68. a jaw gap screw; 69. a nut is fixed in the gap of the clamping mouth; 610. a nip arm; 611. a nozzle clamping head; 612. a second jaw fixing screw; 613. injecting a screw hole; 614. an insulating bearing sleeve; 615. a clamping nozzle head fixing screw; 616. an insulating tube; 617. A curved sliding movement shaft; 618. pressing the rod;

7. a piezoelectric electrode mechanism; 71. a piezoelectric pole piece; 72. a piezoelectric electrode arm; 73. fixing the wrist; 74. A front and rear adjusting screw; 75. fixing the pressure adjusting screw; 76. fixing the spring; 77. a fixed operating lever; 78. a free height adjustment screw; 79. a contact; 710. a second V-shaped electrode circular plate;

8. a pressurizing mechanism; 81. vertically adjusting the rotor; 82. a knob fixing wheel; 83. a wire outlet adjusting button; 84. a pressure adjustment knob; 85. an upper fixing screw and a lower fixing screw; 86. a front and rear adjusting screw; 87. Front and rear fixing screws;

9. a cutter mechanism; 91. a pipe cutter seat; 92. a pipe cutter; 93. a cutter; 94. cutting a knife handle; 95. A screw is fixed on the cutter seat; 96. a pipe cutter seat fixing screw; 97. a tube knife holder cover; 98. a pressure spring;

10. a cam driving mechanism; 101. a one-way clutch; 102. a driven wheel; 103. instantaneously driving the wheel; 104. a fixed cam; 105. a pinch switch cam; 106. a pressurizing cam; 107. A cutter cam; 108. a feed cam; 109. a reducer drive wheel; 1010. a positioner cam; 1011. a handle wheel; 1012. a central shaft; 1013. an electromagnetic clutch; 1014. a driven wheel; 1015. the motor uses the unidirectional clutch; 1016. a sleeve bearing;

11. a photoelectric switch;

12. a first discharge tank;

13. a second discharge tank; 131. a power supply control box; 1311. a liquid crystal screen; 1312. a plus key; 1313. a number reduction key; 1314. a key is added; 1315. a key is down; 1316. a left key; 1317. a right key; 1318. a reset key; 1319. a confirmation key; 13110. a ready state indicator light; 13111. a fault status indicator light; 13112 a ground power input; 13113. a current output port; 13114. a first fan outlet; 13115. a first cooling water inlet; 13116. a first cooling water outlet; 13117. a five-core socket; 13118. a nine-core socket; 13119. a seven-core socket; 13120. a four-core socket; 13121. a two-core socket; 13122. a seven-core jack seat; 13123. a second air switch; 132. a transformer; 1321. a positive electrode; 1322. a negative electrode; 1323. an inversion current input port; 1324. a second fan outlet; 1325. a second cooling water inlet; 1326. a second cooling water outlet;

14. a welding stand table;

15. a control box; 151. a solvent voltmeter; 152. a prime supply switch; 153. a welding operation switch; 154. a wire feeding motor switch; 155. a combination switch; 156. a main motor switch; 157. a main motor speed adjusting knob; 158. a vibration disc switch; 159. a forced wire feeding switch; 1510. the end line represents a lamp; 1511. a rotation speed indicator; 1512. a first completion range indicating light; 1513. a prime sensor indicator light; 1514. completing welding to obtain an inductive switch; 1515. a material jumping inductive switch; 1516. a wire feeding inductive switch; 1517. a counter; 1518. the first line release represents a lamp; 1519. a second line release indicating light; 1520. a second completion range indicating a lamp; 1521. a feeding positioning indicating lamp; 1522. the prime supply abnormality indicates a lamp.

Detailed Description

Referring to fig. 1-17, the utility model relates to a leadless electronic component rosin joint welding device, which comprises a welding machine stand 14, wherein the welding machine stand 14 is provided with a biscuit conveying mechanism, a lead wire feeding mechanism 5, a piezoelectric electrode mechanism 7, a clamping nozzle mechanism 6, a cutter mechanism 9, an inverter power supply, a pressurizing mechanism 8, a cam driving mechanism 10 and a control box 15, the biscuit conveying mechanism comprises a hopper 2, a blanking device, a biscuit feeding mechanism 3 and a V-shaped polar plate mechanism 4, the blanking mechanism 1 automatically feeds materials to the hopper 2 according to the detection result, the hopper 2 arranges biscuits and automatically feeds the biscuits to the biscuit feeding mechanism 3, the biscuit feeding mechanism 3 accurately puts the biscuits to the V-shaped polar plate mechanism 4, the V-shaped polar plate mechanism 4 is used for positioning, welding and conveying of products, the pressing electrode mechanism 7 is used for pressing the biscuits, the lead wire feeding mechanism 5 positions and conveys the lead wire to the clamping nozzle mechanism 6, the lead wire is clamped by the nozzle clamping mechanism 6 and is driven to abut against two ends of the element, so that the lead wire is electrically welded with the element, the cutter mechanism 9 is used for cutting off the lead wire, the pressurizing mechanism 8 is used for providing power for the cutter mechanism 9, the cam driving mechanism 10 is in transmission connection with each mechanism and is used for providing power for each mechanism, the control box 15 is electrically connected with each mechanism and an inverter power supply respectively and is used for electrically controlling each mechanism and the inverter power supply, the inverter power supply comprises a first discharge box 12 and a second discharge box 13, the first discharge box 12 is electrically connected with the element conveying mechanism, the lead wire supply mechanism 5, the piezoelectric electrode mechanism 7, the cutter mechanism 9, the pressurizing mechanism 8, the cam driving mechanism 10 and the control box 15 respectively, the second discharge box 13 is electrically connected with the nozzle clamping mechanism 6, and a photoelectric switch 11 is arranged in the welding machine stand 14, the photoelectric switch 11 is used for detecting an operation.

Referring to fig. 2, the element conveying mechanism includes an attracting magnet 31, a feeding wheel 32, a feeding wheel cover 33, an R guide plate 34, a material detector 35, an acrylic cover 36, a feeder head 37, a motor 38, a motor position index 39, a first air switch 310, feeder upper and lower ADJ buttons 311, a slide plate seat fixing screw 312, feeder front and rear ADJ buttons 313, a spring guide tube 314, a connection cover 315, a first V-shaped electrode circular plate 316, a feeding wheel adjusting screw 317, an element feeding abnormality detector 318, a slip-resistant location 319, a slip-resistant tip location 320 and an air nozzle 321, the feeder head 37, the motor 38, the motor position index 39 and the first air switch 310 are installed in the feeder, the feeder upper and lower ADJ buttons 311 and the feeder front and rear ADJ buttons 313 are respectively connected with the feeder in a transmission manner, the acrylic cover 36 and the connection cover 315 are installed outside the feeder, the R guide plate 34, the feeding wheel cover 33, the R guide plate 34, the R guide plate detector 35, the, The material part detector 35, the first V-shaped electrode circular plate 316 and the air nozzle 321 are arranged on the connecting cover 315, the attracting magnet 31 and the blanking wheel 32 are arranged above the feeder, the blanking wheel cover 33 is arranged outside the blanking wheel 32, the blanking wheel adjusting screw 317 is in transmission connection with the blanking wheel 32, the anti-slip positioning 319 and the anti-slip line segment are positioned below the feeder, the spring guide pipe 314 is arranged above the blanking wheel 32 and connected with the hopper 2, the elements enter the spring guide pipe 314 from the hopper 2 in order, the blanking wheel 32 rotates to drive the elements to move, the elements are moved to the feeder head 37 through the R guide plate 34 and the first V-shaped electrode circular plate, and the feeder head 37 is driven by the motor 38 to convey the elements to the piezoelectric plate mechanism.

Referring to fig. 3, the wire feeding mechanism 5 includes a wire loosening detector 51, a wire bending correction pin wheel basket 52, a wire start end taking-out device 53, a wire bending adjustment rubber wheel post 54, a wire feeding rubber wheel 55, an over tension detector 56, a balance wheel 57, a wire feeding wheel 59 button 58, a wire feeding wheel 59, a wire up-and-down positioning 510, a V-groove positioning wheel 511, and a wire end detector 512, the wire feeding wheel 59 is mounted on the vertical plate via the wire feeding wheel 59 button 58, three wire feeding rubber wheels 55 are mounted on the upper right of the wire feeding wheel 59 and pressed on the outer edge of the wire feeding wheel 59, two balance wheels 57 are mounted on the lower left of the wire feeding wheel 59 and abutted against the wire feeding wheel 59, the wire loosening detector 51, the wire bending correction pin wheel basket 52, the wire start end taking-out device 53, and the wire bending adjustment rubber wheel post 54 are respectively disposed on the upper left of the wire feeding wheel 59, the yarn bending adjusting rubber wheel column 54 is provided with an adjusting rubber wheel, the yarn bending correcting pin wheel basket 52 is provided with a pin wheel, the yarn up-and-down positioning 510 is arranged at the right lower part of the yarn sending wheel 59, the over-tension detector 56 is arranged at the right side of the yarn sending wheel 59, the V-shaped groove positioning wheel 511 is arranged below the over-tension detector 56, the yarn end detector 512 is arranged at one end of the vertical plate, the lead is taken out through the yarn starting end taking-out device 53, the yarn is straightened through the pin wheel and the adjusting rubber wheel and then wound on the outer edge of the yarn sending wheel 59, and the yarn sending wheel 59 positions and conveys the lead to the nozzle clamping mechanism 6 through the V-shaped groove positioning wheel 511.

Referring to fig. 4, the electrode pressing mechanism 7 includes a piezoelectric plate 71, a piezoelectric arm 72, a fixed wrist 73, a front-back adjusting screw 74, a fixed pressure adjusting screw 75, a fixed spring 76, a fixed operating lever 77, a free height adjusting screw 78, a contact 79 and a second V-shaped electrode circular plate 710, the fixed arm 77 is in transmission connection with the fixed operating lever, the piezoelectric arm 72 is in transmission connection with the fixed wrist 73 through the front-back adjusting screw 74, the piezoelectric plate 71 is disposed on the piezoelectric arm 72, the fixed spring 76 is disposed in a fixed bowl, the fixed pressure adjusting screw 75 passes through the fixed wrist 73 to be connected with the fixed spring 76, the free height adjusting screw 78 is disposed on the fixed wrist 73, the contact 79 and the second V-shaped motor convex plate are disposed on the lower surface of the fixed wrist 73, an external force acts on the fixed operating lever 77, the fixed wrist 73 drives the piezoelectric arm 72 to move down, the contact 79 first abuts against the surface of the element, and then moves downwards continuously to press the piezoelectric pole piece 71 on the element, so as to fix the position of the element.

Referring to fig. 5, the clamping jaw mechanism 6 includes an anode 1321 clamping jaw assembly and a cathode 1322 clamping jaw assembly, the anode 1321 clamping jaw assembly and the cathode 1322 clamping jaw assembly each include a first clamping jaw 61, a first clamping jaw box 62, a first clamping jaw box fixing screw 63, a second clamping jaw 64, a first clamping jaw fixing screw 65, a second clamping jaw box 66, a second clamping jaw box fixing screw 67, a clamping jaw gap screw 68, a clamping jaw gap fixing nut 69, a clamping jaw arm 610, a clamping jaw 611, a second clamping jaw fixing screw 612, an oil injection screw hole 613, an insulating bearing sleeve 614, a clamping jaw fixing screw, an insulating tube 616, a curved sliding moving shaft 617 and a pressing rod 618, the clamping jaw arm 610 is disposed on the pressing rod 618 through the clamping jaw gap screw 68 and the clamping jaw gap fixing nut 69, the clamping jaw 611 is disposed on the clamping jaw arm 610, the first clamping jaw 62 is mounted in the clamping jaw box 611 through the first clamping jaw box fixing screw 63, the first nozzle 61 is provided in the nozzle head 611 by a first nozzle fixing screw 65, the second nozzle cartridge 66 is installed in the nozzle head 611 by a second nozzle cartridge fixing screw 67, the second clip 64 is mounted within the clip head 611 by a second clip set screw 612, the first clamping nozzle 61 and the second clamping nozzle 64 are oppositely arranged, the curved sliding moving shaft 617 is arranged on the clamping nozzle head 611 in a penetrating mode, the positive electrode 1321 clamping nozzle component is connected with the positive electrode 1321 end of the second discharge box 13, the negative electrode 1322 clamping nozzle component is connected with the negative electrode 1322 end of the second discharge box 13, the first clamping nozzle 61 and the second clamping nozzle 64 clamp the lead wires, the cam driving mechanism 10 drives the positive electrode 1321 clamping nozzle component and the negative electrode 1322 clamping nozzle component to move up and down, the positive electrode 1321 clamping nozzle component and the negative electrode 1322 clamping nozzle component move to two sides of the piezoelectric electrode mechanism 7 and drive the lead wires to abut against two ends of the element, and the lead wires at the two ends are electrically welded with the element.

Referring to fig. 6, the cutter mechanism 9 includes a pipe cutter holder 91, a pipe cutter 92, a cutter 93, a cutter handle 94, a cutter holder fixing screw 95, a pipe cutter holder fixing screw 96, a pipe cutter holder cover 97 and a pressure spring 98, the pressurizing mechanism 8 includes a vertical adjusting rotor 81, a turn button fixing wheel 82, a wire outlet adjusting button 83, a pressurizing adjusting button 84, an upper and lower fixing screw 85, a front and rear adjusting screw 74 and a front and rear fixing screw 87, the cutter 93 is mounted on the welding machine stand 14 through the cutter holder fixing screw 95, the pipe cutter holder 91 and the pipe cutter holder cover 97 are mounted on the cutter 93 through the pipe cutter holder fixing screw 96, the cutter handle 94 is mounted on the cutter 93 holder, the cutter 93 is mounted on the cutter handle 94, the pipe cutter 92 is inserted on the pipe cutter holder 91 through the pressure spring 98, the vertical adjusting rotor 81, the turn button fixing wheel 82 and the wire outlet adjusting button 83 are disposed on the pipe cutter 91, the pressurizing adjusting button 84, the upper and lower fixing screws 85, the front and rear adjusting screws 74 and the front and rear fixing screws 87 are respectively arranged on the cutter 93 seat, and the cutter 93 and the tube cutter 92 are adjusted through the vertical adjusting rotor 81, the knob fixing wheel 82, the wire outlet adjusting button 83, the pressurizing adjusting button 84, the upper and lower fixing screws 85, the front and rear adjusting screws 74 and the front and rear fixing screws 87, so that the cutter 93 can accurately cut off the lead.

Referring to fig. 7, the cam driving mechanism 10 includes a one-way clutch 101, a driven wheel 102, an instant driving wheel 103, a fixed cam 104, a nip switch cam 105, a pressurizing cam 106, a cutter cam 107, a feeding cam 108, a reducer driving wheel 109, a positioner cam 1010, a handle wheel 1011, a central shaft 1012, an electromagnetic clutch 1013, a driven wheel 1014, a motor one-way clutch 1015, and a sleeve bearing 1016, wherein the central shaft 1012 is inserted into the welding machine stand 14, the handle wheel 1011 is disposed at an outer end of the central shaft 1012, the one-way clutch 101 is disposed at an inner end of the central shaft 1012, the motor one-way clutch 1015 is inserted beside the one-way clutch 101, the driven wheel 102 is inserted into the motor one-way clutch 1015 via the sleeve bearing 1016, the instant driving wheel 103 is inserted beside the driven wheel 102, the electric clutch 1013 and the driven wheel 1014 are inserted beside the handle wheel 1011, the fixed cam 104, the mouth clamping switch cam 105, the pressurizing cam 106, the cutter cam 107, the feeding cam 108, the reducer driving wheel 109 and the positioner cam 1010 are arranged on a central shaft 1012 in a penetrating way, external force acts on the handle wheel 1011 or is electrically connected with the first discharge box 12, the central shaft 1012 rotates, and the fixed cam 104, the mouth clamping switch cam 105, the pressurizing cam 106, the cutter cam 107, the feeding cam 108, the reducer driving wheel 109 and the positioner cam 1010 which are arranged on the central shaft 1012 in a penetrating way rotate, so that power is provided for each mechanism, and each mechanism is driven to operate.

Referring to fig. 8, the control box 15 is provided with a solvent voltmeter 151, a prime supply switch 152, a welding action switch 153, a wire feeding motor switch 154, a combination switch 155, a main motor switch 156, a main motor speed adjusting button 157, a vibration disk switch 158, a forced wire feeding switch 159, a final wire indicating lamp 1510, a rotation speed indicator 1511, a first completion range indicating lamp 1512, a prime sensor indicator lamp 1513, a welding completion sensing switch 1514, a skip sensing switch 1515, a wire feeding sensing switch 1516, a counter 1517, a first wire loosening indicating lamp 1518, a second wire loosening indicating lamp 1519, a second completion range indicating lamp 1521520, a feeding positioning indicating lamp 1521, and a prime supply abnormality indicating lamp 2.

Referring to fig. 9-16, the second discharging box 13 includes a power control box and a transformer 132, the power control box 15131 includes a driving circuit, an MCU micro-control unit, a diagnosis unit, a circuit protection unit and a data transmission unit, the surface of the power control box 15131 is provided with a power cable insertion port, a current output port 13113, a ground power input port 13112, a two-core socket 13121, a four-core socket 13120, a five-core socket 13117, a seven-core socket 13119, a nine-core socket 13118 and a seven-core socket 13122, the driving circuit is respectively electrically connected to the power cable insertion port and the current output port 13113, the MCU micro-control unit, the diagnosis unit, the circuit protection unit, the data transmission unit and the soft switch unit are respectively electrically connected to the driving circuit, the transformer 132 includes a transforming circuit and a heat dissipation mechanism, the transforming circuit is provided with two semiconductor devices, and the surface of the transformer 132 is provided with an anode 1321, A negative pole 1322, an inverter current input port 1323, a second cooling water inlet 1325, a second cooling water outlet 1326, a second fan air outlet 1324, a two-core socket 13121 and a seven-core hole socket, the positive electrode 1321 and the negative electrode 1322 are respectively electrically connected with the output end of the voltage transformation circuit, the inverter current input port 1323 is electrically connected with the input end of the transformer circuit, the second fan air outlet 1324, the second cooling water inlet 1325 and the second cooling water outlet 1326 are respectively connected with the heat dissipation mechanism, the inverter current input port 1323 and the current output port 13113 are electrically connected through a cable or a wire, so that the power control box 15131 is electrically connected with the transformer 132, the transformer 132 is electrically connected with the anode 1321 clamping nozzle assembly through an anode 1321 lead wire, the cathode 1322 is electrically connected to the cathode 1322 nozzle assembly through a cathode 1322 lead, the anode 1321 lead is connected to the anode 1321, and the cathode 1322 lead is connected to the cathode 1322.

The two-core socket 13121 is mainly used for 2 x 380 output, the four-core socket 13120 is mainly used for transmission of voltage detection signals, the five-core socket 13117 is mainly used for output of end and fault output signals, the seven-core socket 13119 is mainly used for signal output of an electromagnetic gas valve, the nine-core socket 13118 is mainly used for signal input, and the seven-core socket 13122122 is mainly used for transmission of temperature detection signals.

Preferably, the driving circuit includes a rectifier bridge module and an IGBT module, the rectifier bridge module is electrically connected to an ac power supply, the IGBT module is electrically connected to the rectifier bridge module and the current output port 13113113, the IGBT module includes an inverter bridge, four soft switch modules S1, S2, S3, and S4 are provided in the inverter bridge, the four soft switch modules are electrically connected to each other, and the four soft switch modules are respectively and correspondingly provided with a Ug1, a Ug2, a Ug3, and a Ug4 pulse voltage.

Preferably, the MCU micro control unit includes a current monitoring module, a voltage monitoring module and a power monitoring module, as shown in fig. 14, the current monitoring module can enable the utility model to enter a constant current mode, the constant current mode is a mode of internal sampling and feedback calculation of control current, the actual measurement of the set value of welding in this mode is a current, the constant current can transmit the same current and compensate for the change of the thickness of the part while ignoring the change of resistance; as shown in fig. 15, the voltage monitoring module can make the utility model enter a constant voltage mode, the constant voltage mode is a mode of internal sampling and feedback calculation control voltage, the actual measurement of the set value of welding in the mode is voltage, the constant voltage can compensate the error displacement and pressure problem of weldments, the welding spatter is reduced, and the device is suitable for non-planar circular parts; as shown in fig. 16, the power monitoring module enables the utility model to enter a constant power mode, which is an internal sampling and feedback of current and voltage, and calculates the product-power of the control current and voltage, in which the actual measurement of the set value of the welding is power; when none of the three modes is started, the constant power can change the current and the voltage under the consistent energy, the oxidized surface is broken and flattened, and the service life of the electrode is prolonged.

Preferably, the diagnosis unit comprises a fault diagnosis module and an alarm module, and the fault diagnosis module is electrically connected with the alarm module.

Preferably, the surface of the power control box 15131 is further provided with a liquid crystal screen 1311, a plurality of control keys, a ready state indicator 13110, a fault state indicator 13111 and a second air switch 13123, and the control keys mainly include a plus key 1312, a minus key 1313, an upper key 1314, a lower key 1315, a left key 1316, a right key 1317, a reset key 1318 and a confirm key 1319.

Preferably, a heat dissipation device is further included in the power control box 15131, and a first fan outlet 13114, a first cooling water inlet 13115 and a first cooling water outlet 13116 are further disposed on the surface of the power control box 15131.

The principle of the inverter power supply apparatus is shown in fig. 13: the rectifier bridge module is electrically connected with an alternating current power supply, alternating current is converted into direct current, the direct current is converted into pulse alternating current through the I GBT module and enters a voltage transformation circuit of the transformer, the pulse alternating current is converted into pulse direct current through the voltage transformation circuit and is output to welding equipment, a driving power supply is connected between the rectifier bridge module and the I GBT module, and the whole driving circuit is controlled to be switched on and switched off through the driving power supply.

The above embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by the technical solution of the present invention by those skilled in the art are all within the scope of the present invention as defined by the claims.

Claims (10)

1. The utility model provides a no lead wire electronic components rosin joint welding set which characterized in that: the welding machine comprises a welding machine stand, wherein a biscuit conveying mechanism, a lead supply mechanism, a piezoelectric electrode mechanism, a clamping nozzle mechanism, a cam driving mechanism, a cutter mechanism and an inverter power supply are arranged on the welding machine stand, the cam driving mechanism is respectively and mechanically connected with the biscuit conveying mechanism, the lead supply mechanism, the piezoelectric electrode mechanism, the clamping nozzle mechanism and the cutter mechanism and provides power for the mechanisms, the biscuit conveying mechanism is used for conveying biscuits and is arranged between the clamping nozzle mechanisms, the piezoelectric electrode mechanism is arranged in front of the biscuit conveying mechanism and tightly presses the biscuits into the biscuit conveying mechanism, the lead supply mechanism is arranged on one side of the clamping nozzle mechanism and conveys leads into the clamping nozzle mechanism, the clamping nozzle mechanism is electrically connected with the inverter power supply, the cutter mechanism is arranged on one side of the biscuit conveying mechanism and is used for cutting off the leads, and when the clamping nozzle mechanism drives the leads to abut against two ends of an electronic component body, the inverter power supply enables the lead wire to be instantly welded with the electronic component body in an electrified way.

2. A cold-solder bonding apparatus for leadless electronic components, as claimed in claim 1, wherein: the gripper mechanism comprises an anode gripper assembly and a cathode gripper assembly, wherein the anode gripper assembly and the cathode gripper assembly respectively comprise a first gripper, a first gripper box, a second gripper box, gripper gap screws, gripper gap fixing nuts, gripper arms, gripper heads, a curved sliding moving shaft and a pressing rod, the gripper arms are arranged on the pressing rod through the gripper gap screws and the gripper gap fixing nuts, the gripper heads are arranged on the gripper arms, the first gripper and the first gripper box are arranged in the gripper heads, the second gripper and the second gripper box are arranged in the gripper heads, the first gripper and the second gripper are arranged oppositely, and the curved sliding moving shaft is arranged on the gripper heads in a penetrating mode.

3. A cold-solder bonding apparatus for leadless electronic components, as claimed in claim 1, wherein: the inverter power supply comprises a first discharge box and a second discharge box, the first discharge box is respectively and electrically connected with the element supply mechanism, the lead supply mechanism, the piezoelectric electrode mechanism and the cutter mechanism, the second discharge box is electrically connected with the nozzle clamping mechanism and comprises a power supply control box and a transformer, the power control box comprises a driving circuit, an MCU micro control unit, a diagnosis unit, a circuit protection unit, a data transmission unit and a heat dissipation mechanism, wherein each unit is electrically connected with the driving circuit, the MCU micro control unit comprises a current monitoring module, a voltage monitoring module and a power monitoring module, the driving circuit comprises a rectifier bridge module and an IGBT module, the rectifier bridge module is used for converting alternating current into direct current, the IGBT module is used for converting direct current into pulse alternating current, and the transformer is used for transforming the pulse alternating current and converting the pulse alternating current into pulse direct current to be output to the clamping mouth mechanism.

4. A cold-solder bonding apparatus for leadless electronic components, as claimed in claim 1, wherein: the biscuit conveying mechanism comprises a hopper, a blanking device, a biscuit feeding mechanism and a V-shaped polar plate mechanism, wherein the hopper and the blanking device are arranged above the biscuit feeding mechanism, the biscuit feeding mechanism feeds biscuits to the V-shaped polar plate mechanism, and the V-shaped polar plate mechanism carries biscuits in a positioning manner.

5. A cold-solder bonding apparatus for leadless electronic components, as claimed in claim 1, wherein: the lead wire supply mechanism comprises a wire loosening detector, a wire bending correction pinwheel frame, a wire initial end taking-out device, a wire bending adjustment rubber wheel column, a wire feeding rubber wheel, an over-tension detector, balance wheels, a wire feeding wheel button, a wire feeding wheel, a wire upper-lower positioning device, a V-shaped groove positioning wheel and a wire end detector, wherein the wire feeding wheel is arranged on a vertical plate through the wire feeding wheel button, three wire feeding rubber wheels are arranged on the right upper part of the wire feeding wheel and pressed on the outer edge of the wire feeding wheel, two balance wheels are arranged on the left lower part of the wire feeding wheel and abutted against the wire feeding wheel, the wire loosening detector, the wire bending correction pinwheel frame, the wire initial end taking-out device and the wire bending adjustment rubber wheel column are respectively arranged on the left upper part of the wire feeding wheel, an adjustment rubber wheel is arranged on the wire bending adjustment rubber wheel column, the wire upper-lower positioning device is arranged on the right lower part of the wire feeding wheel, the over-tension detector is arranged on the right side of the line delivery wheel, the V-shaped groove positioning wheel is arranged below the over-tension detector, and the line end detector is arranged at one end of the vertical plate.

6. A cold-solder bonding apparatus for leadless electronic components, as claimed in claim 1, wherein: piezoelectric pole mechanism includes piezoelectric pole piece, piezoelectric pole arm, fixed wrist, front and back adjusting screw, fixed pressure adjusting screw, fixed spring, fixed control rod, free height adjusting screw, contact son and second V type electrode plectane, fixed and fixed control rod transmission is connected, the piezoelectric pole arm is connected with fixed wrist transmission through front and back adjusting screw, the piezoelectric pole piece is established on the piezoelectric pole arm, fixed spring establishes in fixed bowl, fixed pressure adjusting screw passes fixed wrist and fixed spring coupling, free height adjusting screw wears to establish on fixed wrist, contact son and the lower surface at fixed wrist is established to second V type motor flange.

7. A cold-solder bonding apparatus for leadless electronic components, as claimed in claim 1, wherein: the cutting mechanism comprises a pipe cutter seat, a pipe cutter, a cutter handle, a cutter seat fixing screw, a pipe cutter seat cover and a pressure spring, the cutter seat is installed on the welding machine frame through the cutter seat fixing screw, the pipe cutter seat and the pipe cutter seat cover are installed on the cutter seat through the pipe cutter seat fixing screw, the cutter handle is installed on the cutter seat, the cutter is installed on the cutter handle, and the pipe cutter is arranged on the pipe cutter seat in a penetrating mode through the pressure spring.

8. A cold-solder bonding apparatus for leadless electronic components, as claimed in claim 1, wherein: the device also comprises a pressurizing mechanism, and the pressurizing mechanism is in transmission connection with the cutter mechanism.

9. A cold-solder bonding apparatus for leadless electronic components, as claimed in claim 1, wherein: the cam driving mechanism comprises a one-way clutch, a driven wheel, an instant driving wheel, a fixed cam, a mouth clamping switch cam, a pressurizing cam, a cutter cam, a feeding cam, a reducer driving wheel, a positioner cam, a handle wheel, a central shaft, an electromagnetic clutch, a driven wheel, a unidirectional clutch for a motor and a sleeve bearing, the central shaft penetrates through the welding machine frame, the handle wheel and the one-way clutch are respectively arranged at two ends of the central shaft, the motor unidirectional clutch is arranged beside the unidirectional clutch in a penetrating way, the driven wheel is arranged on the motor unidirectional clutch in a penetrating way through the sleeve bearing, the instantaneous driving wheel is arranged beside the driven wheel in a penetrating way, the electromagnetic clutch and the driven wheel are arranged beside the handle wheel in a penetrating mode, and the fixed cam, the clamping mouth switch cam, the pressurizing cam, the cutter cam, the feeding cam, the speed reducer driving wheel and the positioner cam are arranged on the central shaft in a penetrating mode.

10. A cold-solder bonding apparatus for leadless electronic components, as claimed in claim 1, wherein: the device is characterized by further comprising a control box, the control box is electrically connected with all mechanisms and devices, and a solvent voltmeter, a prime supply switch, a welding action switch, a wire feeding motor switch, a combination switch, a main motor speed adjusting button, a vibrating disk switch, a forced wire feeding switch, a final wire indicating lamp, a rotating speed indicator, a first completion range indicating lamp, a prime inductor indicating lamp, a welding completion inductive switch, a material jumping inductive switch, a wire feeding inductive switch, a counter, a first wire loosening indicating lamp, a second completion range indicating lamp, a feeding positioning indicating lamp and a prime supply abnormity indicating lamp are arranged on the control box.

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