CN210878003U

CN210878003U - Automatic wire welding machine for earphone plug

Info

Publication number: CN210878003U
Application number: CN201921839796.4U
Authority: CN
Inventors: 徐金海; 王蓉; 钟育华
Original assignee: DONGGUAN ZHEN SHI HAO ELECTRONICS TECHNOLOGY CO LTD
Current assignee: DONGGUAN ZHEN SHI HAO ELECTRONICS TECHNOLOGY CO LTD
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-06-30
Anticipated expiration: 2029-10-30

Abstract

The utility model discloses an automatic welding wire machine of earphone plug, including wire rod feedway, tin sticky device, welding set, plug feedway, plug fetch and deliver device, plug alignment device, the wire rod feedway includes wire rod conveying mechanism, a plurality of clamp tools, the clamp tool is used for pressing from both sides putting the wire rod, wire rod conveying mechanism transports in proper order and presss from both sides the tool to tin sticky device department and welding set department; the plug feeding device comprises a vibration disc and a flat vibration device, the plug taking and delivering device obtains the earphone plug from the flat vibration device and conveys the earphone plug to the plug straightening device, the plug straightening device corrects the orientation of the earphone plug at the plug taking and delivering device, and the plug taking and delivering device transfers the earphone plug which is corrected to the welding device. The utility model overcomes the problem that the orientation that the earphone plug ejection of compact exists differs to the difficult problem of the position alignment of the welding position of sinle silk and earphone plug has been solved effectively.

Description

Automatic wire welding machine for earphone plug

Technical Field

The utility model relates to a headphone plug bonding wire's relevant production technical field, in particular to headphone plug automatic bonding wire machine.

Background

The wired earphone comprises an earphone, an earphone wire (namely a wire rod) and an earphone plug, wherein one end of the earphone wire is connected with the earphone, and the other end of the earphone wire is connected with the earphone plug. In the process of producing wired earphones, earphone wires need to be welded to earphone plugs. As shown in fig. 6 and fig. 10, in the structure of the earphone plug, one end of the earphone plug is a plug end inserted into an earphone hole of a mobile phone, the other end of the earphone plug is a terminal welded with an earphone wire, one half of the terminal is a plurality of welding positions arranged in a step shape, the other half of the terminal is a semi-cylindrical structure made of plastic, and each welding position is correspondingly welded with a wire core of the earphone wire. The existing production mode is to take and place the earphone plug on a corresponding jig, and under the correction of the jig, the semi-cylindrical structure of the wiring end of the earphone plug faces downwards in the forward direction and the welding position faces upwards in the forward direction. Then, the production worker carries out the tin dipping and soldering using a conventional pointed electric iron. The earphone line is provided with a plurality of line cores. During welding, one wire core needs to be manually aligned to one welding position, the wire core is spot-welded to the corresponding welding position by using a pointed electric soldering iron, then the other wire core is aligned to the other welding position, and the welding mode is repeated by using the pointed electric soldering iron. The welding efficiency of the mode is low, and in order to improve the productivity and realize mass production, an automatic technology needs to be introduced for realization. For the earphone plug, because the wiring end of the earphone plug has a plurality of unconventional step-shaped welding positions and the earphone plugs are placed in a pile, how to take out one earphone plug from a pile of disordered earphone plugs and correctly place the earphone plug is to avoid welding the wire core on the cylindrical plastic structure of the wiring end, which is a technical problem to be overcome. For the earphone cable, how to align one wire core on the corresponding welding position of the earphone plug is another technical problem to be overcome at the same time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide an automatic bonding wire machine of headphone plug.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an automatic welding line machine for an earphone plug comprises a wire feeding device, a tin pick-up device, a welding device, a plug feeding device, a plug taking and feeding device and a plug aligning device, wherein the wire feeding device comprises a wire conveying mechanism and a plurality of clamping jigs, the clamping jigs are used for clamping wires, the clamping jigs comprise fork blocks for forking and separating the wires, each fork block comprises a wire clamping channel, the wire conveying mechanism sequentially conveys the clamping jigs to the tin pick-up device and the welding device, and the welding device comprises an electric soldering iron for welding and a positioning mechanism for correspondingly positioning each wire core to each welding position of the earphone plug; the plug feedway is including vibration dish, flat oscillator, a plurality of headphone plugs have been stacked in the vibration dish, the vibration dish carries headphone plug extremely flat oscillator, the plug is got and is sent the device follow flat oscillator department obtains headphone plug and transport extremely plug aligning device department, plug aligning device is right the headphone plug of plug is got and is sent the device department and carries out the orientation correction, the plug is got and is sent the device and will accomplish the headphone plug who the orientation is corrected and transfer extremely welding set department.

The plug taking and delivering device comprises a clamping mechanism, the clamping mechanism comprises a first clamping jaw cylinder, a left clamping block and a right clamping block, the left clamping block and the right clamping block are respectively and fixedly installed at two pneumatic fingers of the first clamping jaw cylinder, a left half groove is formed in the left clamping block, at least one ball plunger is installed in the left half groove, a right half groove is formed in the right clamping block, and at least one ball plunger is installed in the right half groove; when the first clamping jaw cylinder clamps the earphone plug, the plug end of the earphone plug is positioned in a cavity formed by the left half groove and the right half groove, and the ball-poking head of the ball plunger at the left half groove and the ball-poking head of the ball plunger at the right half groove tightly push the earphone plug together;

the plug straightening device comprises a first motor, a rotating head, a first air cylinder and a moving seat, wherein the rotating head is provided with a recess, a floating head is arranged in the recess, the rotating head is provided with a screw hole, a limit screw is inserted in the screw hole, the floating head is provided with a limit groove at the screw hole, the end part of the limit screw is positioned in the limit groove, the limit screw limits the floating head, so that the floating head can only slide inwards relative to the rotating head and cannot slide outwards from the recess of the rotating head, the rotating head drives the floating head to synchronously rotate through the limit screw, an intermediate spring is arranged between the floating head and the rotating head, one end of the intermediate spring is abutted against the floating head, the other end of the intermediate spring is abutted against the rotating head, and the floating head is provided with an intermediate socket, the shape of the middle socket is the same as the end surface of the semi-cylindrical structure of the earphone plug, the rotating head is fixedly arranged on the motor shaft of the first motor, the first motor is arranged on the moving seat, the telescopic rod of the first air cylinder is connected with the moving seat, the first motor drives the rotating head to rotate, the rotating head drives the floating head to synchronously rotate, the first air cylinder drives the first motor through the moving seat, and the rotating head and the floating head which are arranged at the first motor are translated towards the central axis direction of the earphone plug,

the utility model discloses a floating head, including floating head.

Further elaborating, the positioning mechanism comprises a second clamping jaw cylinder, an upper positioning plate and a lower positioning seat which are fixedly installed at two clamping jaws of the second clamping jaw cylinder respectively, the upper positioning plate and the lower positioning seat are matched with each other, the upper positioning plate is provided with a plurality of positioning channels, the number of the positioning channels is equal to that of the wire cores, and each positioning channel corresponds to one wire core; the end face of the lower positioning seat, which is contacted with the wire core, is an inclined plane; when accurately positioning the sinle silk in each welding position of headphone plug, second clamping jaw cylinder drives the top board with the lower positioning seat carries out the removal in opposite directions, the top board is gone into with the sinle silk card in the in-process of downstream the location way and press the sinle silk to the terminal surface of lower positioning seat and sinle silk contact.

Further, the electric soldering iron is provided with a welding soldering iron head, the welding soldering iron head is provided with a plurality of convex steps, and each convex step corresponds to a welding position.

Further elaborating, the clamp jig further comprises a main base body, an auxiliary base body, a middle shaft and a torsion spring, wherein the main base body and the auxiliary base body are hinged to the middle shaft, the torsion spring is sleeved on the middle shaft, the torsion spring comprises two support legs, the two support legs respectively abut against the main base body and the auxiliary base body, and the fork block is fixedly installed on the auxiliary base body;

the tin dipping device comprises a tin liquid box and a pressing mechanism, wherein tin liquid is contained in the tin liquid box, the tin liquid box is arranged on the lower side of the clamping jig, the pressing mechanism is arranged on the upper side of the clamping jig, the pressing mechanism comprises a first pressing cylinder and a pressing block, the pressing block is fixedly arranged on a telescopic rod of the first pressing cylinder, and the pressing block is arranged above the auxiliary seat body; when the tin liquid box is used, the first pressing cylinder drives the pressing block to move downwards, the pressing block presses the auxiliary seat body downwards, the auxiliary seat body is enabled to overturn relative to the main seat body, and the wire cores at the fork blocks are stained with tin liquid from the tin liquid box.

Further elaboration, still including the die-cut device of sinle silk, the die-cut device of sinle silk is used for excising the end of sinle silk after the sinle silk is stained with tin liquid, the die-cut device of sinle silk is including first last cutting edge, first cutting edge down, first last cutting edge with first cutting edge relative motion excises the end of sinle silk.

The wire core trimming device is used for straightening and trimming the wire core at the clamping jig, and comprises a second lower pressing cylinder, a wire dividing plate, an upper pressing plate, a lower pressing plate, a second upper cutting edge, a second lower cutting edge, an upper movable plate and a lower movable plate, wherein the second lower pressing cylinder is used for pressing the trunk of the wire, the upper pressing plate and the second upper cutting edge are fixedly arranged on the upper movable plate, the lower pressing plate and the second lower cutting edge are fixedly arranged on the lower movable plate, and the wire dividing plate is fixedly arranged on the upper pressing plate or the lower pressing plate.

The beneficial effects of the utility model reside in that:

the utility model realizes the discharging of the earphone plug and the welding of the earphone plug and the wire rod in a fully automatic way, thereby greatly improving the production efficiency;

secondly, the utility model adopts the mode of combining the vibration disc with the flat vibrator to discharge the earphone plug and uses the plug aligning device to solve the problem of different directions of the discharging mode;

thirdly, the utility model effectively solves the problem of the position alignment of the wire core and the welding position of the earphone plug by aligning the wire core on the corresponding welding position of the earphone plug on the positioning mechanism of the welding device;

fourthly, the utility model discloses a be provided with the welding soldering iron head of protruding rank, not only realized the light simplification of welding set effectively, greatly promoted welded efficiency moreover.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural diagram of a wire core trimming device.

Fig. 3 is a schematic structural diagram of the tin wetting device before tin wetting.

Fig. 4 is a schematic structural view of the tin wetting apparatus after being wetted with tin.

Fig. 5 is a schematic structural diagram of a wire core punching device.

Fig. 6 is the utility model discloses get the material and put the work schematic diagram of just to headphone plug.

Fig. 7 is the utility model discloses carry out the work schematic diagram of putting right to headphone plug.

Fig. 8 is the utility model discloses with the sinle silk location at the work schematic diagram of headphone plug's welding position.

Fig. 9 is the utility model discloses carry out welded work schematic diagram to sinle silk and headphone plug.

Fig. 10 is the utility model discloses carry out welded local structure schematic diagram to sinle silk and headphone plug.

Fig. 11 is a schematic structural diagram of the discharging device for discharging.

Fig. 12 is a schematic structural view of the wire clamping fixture.

Fig. 13 is a partial cross-sectional view of the clamping mechanism.

Fig. 14 is a cross-sectional view of the plug straightening device.

Fig. 15 is a schematic structural view of the first jig positioning cylinder positioning the clamping jig before welding.

Fig. 16 is a schematic flow chart of positioning the clamping jig by the first jig positioning cylinder.

Reference numerals:

10. a wire feeding device; 11. a wire rod conveying mechanism; 111. a drive motor; 12. clamping a jig; 121. a fork block; 1211. a wire clamping channel; 122. a main base body; 123. a sub base body; 124. an intermediate shaft; 13. a first jig positioning cylinder;

20. a tin pick-up device; 21. a tin liquor box; 22. a pressing mechanism; 221. a first down-pressure cylinder; 222. pressing the block;

30. a welding device; 31. an electric iron; 311. welding a soldering iron head; 3111. a convex step; 32. a positioning mechanism; 321. a second jaw cylinder; 322. an upper positioning plate; 3221. a positioning channel; 323. a lower positioning seat; 3231. a notch;

40. a plug feeding device; 41. a vibrating pan; 42. a flat vibrator; 421. a tension spring; 422. dialing a plate;

50. a plug pick-and-place device; 51. a clamping mechanism; 511. a first jaw cylinder; 512. a left clamp block; 513. a right clamp block; 514. a ball plunger; 515. a bead-poking head; 52. a second cylinder; 53. a connecting rod structure; 54. a deflection plate; 55. a third cylinder; 56. a sliding table;

60. a plug straightening device; 61. a first motor; 62. rotating the head; 621. a middle socket; 622. a floating head; 6221. a limiting groove; 623. a middle spring; 624. a limit screw; 63. a first cylinder; 65. a movable seat;

70. a wire core punching device; 71. a first upper cutting edge; 72. a first lower cutting edge;

80. a wire core trimming device; 81. a second hold-down cylinder; 82. a second jig positioning cylinder; 83. a wire distributing plate; 84. an upper pressure plate; 85. a lower pressing plate; 86. a second upper cutting edge; 87. a second lower cutting edge; 88. moving the plate upwards; 89. a lower moving plate;

90. a discharge device; 91. a third jaw cylinder;

100. an earphone plug; 110. a plug end; 120. a terminal; 121. welding positions; 122. a semi-cylindrical structure; 200. a wire rod; 210. a wire core; 220. a trunk.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 14, an automatic wire welding machine for an earphone plug includes a wire feeding device 10, a tin wetting device 20, a welding device 30, a plug feeding device 40, a plug taking and delivering device 50, and a plug aligning device 60, where the wire feeding device 10 includes a wire conveying mechanism 11 and a plurality of clamping jigs 12, the clamping jigs 12 are used for clamping and releasing a wire 200, and referring to fig. 12, the clamping jigs 12 include a fork block 121 for forking and releasing a wire 210, the fork block 121 includes a wire clamping channel 1211, the wire conveying mechanism 11 sequentially conveys the clamping jigs 12 to the tin wetting device 20 and the welding device 30, and the welding device 30 includes an electric soldering iron 31 for welding, and a positioning mechanism 32 for correspondingly positioning each wire 210 to each welding position 121 of the earphone plug 100; the plug feeding device 40 comprises a vibration disc 41 and a flat vibrator 42, a plurality of earphone plugs 100 are stacked in the vibration disc 41, the vibration disc 41 conveys the earphone plugs 100 to the flat vibrator 42, the plug taking and sending device 50 takes the earphone plugs 100 from the flat vibrator 42 and conveys the earphone plugs to the plug aligning device 60, the plug aligning device 60 corrects the orientation of the earphone plugs 100 at the plug taking and sending device 50, and the plug taking and sending device 50 transfers the earphone plugs 100 with corrected orientation to the welding device 30. Specifically, as shown in fig. 6, the flat vibrator 42 is provided with a tension spring 421 and a dial plate 422, the tension spring 421 and the dial plate 422 are both disposed at the discharge port of the middle channel of the flat vibrator 42, one end of the tension spring 421 is fixed to the flat vibrator 42, the other end of the tension spring 421 is connected to the dial plate 422, and the dial plate 422 blocks the earphone plug 100 at the discharge port of the middle channel of the flat vibrator 42. Specifically, referring to fig. 1, the wire conveying mechanism 11 includes a driving motor 111 and a transmission chain structure (not shown), a plurality of clamping jigs 12 are fixedly mounted on the transmission chain structure, the driving motor 111 drives the transmission chain structure, the transmission chain structure drives the clamping jigs 12, and the clamping jigs 12 are transferred to the relevant devices such as the wetting device 20 and the welding device 30.

Referring to fig. 13, the plug taking and delivering device 50 includes a clamping mechanism 51, the clamping mechanism 51 includes a first clamping jaw cylinder 511, a left clamping block 512, and a right clamping block 513, the left clamping block 512 and the right clamping block 513 are respectively and fixedly installed at two pneumatic fingers of the first clamping jaw cylinder 511, a left half groove is opened at the left clamping block 512, at least one ball plunger 514 is installed at the left half groove, a right half groove is opened at the right clamping block 513, and at least one ball plunger 514 is installed at the right half groove; when the first clamping jaw cylinder 511 clamps the earphone plug, the plug end of the earphone plug is positioned in a cavity formed by the left half groove and the right half groove, and the ball poking head 515 of the ball plunger 514 at the left half groove and the ball poking head 515 of the ball plunger 514 at the right half groove tightly push the earphone plug together;

referring to fig. 6 and 7, the plug aligning device 60 includes a first motor 61, a rotating head 62, a first cylinder 63, and a moving seat 65, as shown in fig. 14, the rotating head 62 is provided with a recess, a floating head 622 is disposed in the recess, the rotating head 62 is provided with a screw hole, a limit screw 624 is inserted in the screw hole, the floating head 622 is provided with a limit groove 6221 at the screw hole, an end of the limit screw 624 is disposed in the limit groove 6221, the limit screw 624 limits the floating head 622, so that the floating head 622 can only slide inwards relative to the rotating head 62 and cannot slide out of the recess of the rotating head 62, the rotating head 62 drives the floating head 622 to rotate synchronously through the limit screw 624, an intermediate spring 623 is disposed between the floating head 622 and the rotating head 62, one end of the intermediate spring 623 abuts against the floating head 622, the other end of the intermediate spring 623 abuts against the rotating head 62, the floating head 622 is provided with an intermediate, the shape of the middle socket 621 is the same as the end surface of the semi-cylindrical structure of the earphone plug, the rotating head 62 is fixedly mounted on the motor shaft of the first motor 61, the first motor 61 is mounted on the moving seat 65, the telescopic rod of the first cylinder 63 is connected with the moving seat 65, the first motor 61 drives the rotating head 62 to rotate, the rotating head 62 drives the floating head 622 to synchronously rotate, the first cylinder 63 drives the first motor 61 through the moving seat 65, the rotating head 62 and the floating head 622 mounted at the first motor 61 translate towards the central axis direction of the earphone plug, the floating head 622 rotates while translating until the semi-cylindrical structure at one end of the earphone plug is inserted into the middle socket 621 of the floating head 622, after the semi-cylindrical structure is inserted into the middle socket 621, the rotating head 62 drives the floating head 622 through the limit screw 624, the floating head 622 drives the earphone plug to continuously rotate so as to correct the earphone plug, the headphone plug rotates between the left clamp block 512 and the right clamp block 513, and the ball-point 515 rolls over with the headphone plug as the headphone plug rotates.

Specifically, the plug taking and delivering device 50 further includes a second cylinder 52, a connecting rod structure 53, a deflecting plate 54, a third cylinder 55, and a sliding table 56, wherein the connecting rod structure 53 is connected to the deflecting plate 54 and an expansion rod of the second cylinder 52, the first clamping jaw cylinder 511 is fixedly mounted on the deflecting plate 54, and the second cylinder 52 drives the deflecting plate 54 to deflect through the connecting rod structure 53. The clamping mechanism 51 clamps and drives the earphone plug 100 at the discharge port of the middle channel of the flat vibrator 42 to push the dialing plate 422 away, when the dialing plate 422 is pushed away, the tension spring 421 is pulled to generate elastic deformation, and when the earphone plug 100 clamped by the clamping mechanism 51 is completely separated from the dialing plate 422, the tension spring 421 restores the elastic deformation and drives the dialing plate 422 to reset. The second cylinder 52 is fixedly installed on the sliding table 56, the sliding table 56 is connected with the telescopic rod of the third cylinder 55, the third cylinder 55 drives the sliding table 56, and the sliding table 56 drives the second cylinder 52 and the first clamping jaw cylinder 511 to transfer the headphone plug 100 from the plug aligning device 60 to the welding device 30.

Referring to fig. 8 and 9, the positioning mechanism 32 includes a second clamping jaw cylinder 321, and an upper positioning plate 322 and a lower positioning plate 323 fixedly installed at two clamping jaws of the second clamping jaw cylinder 321, respectively, the upper positioning plate 322 and the lower positioning plate 323 are matched with each other, the upper positioning plate 322 is provided with a plurality of positioning tracks 3221, the number of the positioning tracks 3221 is equal to the number of the wire cores 210, and each positioning track 3221 corresponds to one wire core 210; the end face of the lower positioning seat 323 contacting the wire core 210 is an inclined plane; when the wire core 210 is accurately positioned at each welding position 121 of the earphone plug 100, the second clamping jaw cylinder 321 drives the upper positioning plate 322 and the lower positioning seat 323 to move towards each other, and the upper positioning plate 322 clamps the wire core 210 into the positioning channel 3221 in the process of moving downwards and presses the wire core 210 to the end face of the lower positioning seat 323 contacting with the wire core 210. Specifically, the lower positioning seat 323 is provided with a notch 3231 matched with the upper positioning plate 322, and the upper positioning plate 322 is inserted into the notch 3231 of the lower positioning seat 323.

Referring to fig. 10, the electric soldering iron 31 has a soldering iron head 311, and the soldering iron head 311 has a plurality of steps 3111, each step 3111 corresponds to a soldering position 121. During welding, the convex step 3111 welds the wire core 210 of the wire 200 to the welding position 121 of the earphone plug 100.

Referring to fig. 12, the clamping fixture 12 further includes a main base 122, an auxiliary base 123, an intermediate shaft 124, and a torsion spring (not shown), wherein the main base 122 and the auxiliary base 123 are hinged to the intermediate shaft 124, the torsion spring is sleeved on the intermediate shaft 124, the torsion spring includes two legs, the two legs respectively abut against the main base 122 and the auxiliary base 123, and the fork 121 is fixedly mounted on the auxiliary base 123. With reference to fig. 15, the utility model discloses still including first tool positioning cylinder 13, the vice pedestal 123 and the main base body 122 of pressing from both sides tool 12 articulate in same axle department, leave the clearance between vice pedestal 123 and the main base body 122, and first tool positioning cylinder 13 adjusts the relative position of vice pedestal 123 and main base body 122 through the clearance to with the accurate definite welding position that is located headphone plug of sinle silk. As shown in fig. 16, the two pneumatic fingers of the first jig positioning cylinder 13 are changed from the open state to the closed state toward the middle to drive the auxiliary seat 123, so as to accurately position the wire core at the welding position of the earphone plug.

Referring to fig. 3 and 4, the tin wetting device 20 includes a tin liquid box 21 and a pressing mechanism 22, the tin liquid box 21 contains tin liquid, the tin liquid box 21 is disposed at the lower side of the clamping fixture 12, the pressing mechanism 22 is disposed at the upper side of the clamping fixture 12, the pressing mechanism 22 includes a first pressing cylinder 221 and a pressing block 222, the pressing block 222 is fixedly mounted on the telescopic rod of the first pressing cylinder 221, and the pressing block 222 is disposed above the auxiliary base 123; during the use, the first down-pressing cylinder 221 drives the down-pressing block 222 to move downwards, and the down-pressing block 222 presses the auxiliary seat body 123 downwards, so that the auxiliary seat body 123 is turned over relative to the main seat body 122, and the wire core 210 at the fork block 121 is stained with the tin liquid from the tin liquid box 21. When tin dipping is carried out, as shown in fig. 4, the first depressing cylinder 221 drives the depressing block 222 to move downwards, the depressing block 222 depresses the auxiliary seat body 123, as shown in fig. 3 and fig. 4, the auxiliary seat body 123 is driven to turn over downwards by 90 degrees relative to the main seat body 122, because the wire 200 is soft in texture, the wire 200 can bend downwards along with the auxiliary seat body 123, so that the wire core 210 extending out of the fork block 121 part is dipped in tin liquid in the tin liquid box 21, and meanwhile, the torsion spring is elastically deformed. After the wire core 210 is dipped in the tin liquid, the first pressing cylinder 221 drives the pressing block 222 to move upwards, the auxiliary seat body 123 loses the pressing force of the pressing block 222, the torsion spring recovers the elastic deformation and drives the auxiliary seat body 123 to reset, and the auxiliary seat body 123 turns upwards by 90 degrees relative to the main seat body 122.

Combine as shown in fig. 5, the utility model discloses still including the die-cut device 70 of sinle silk, the die-cut device 70 of sinle silk is used for excising the end of sinle silk 210 after sinle silk 210 is stained with tin liquid, and the die-cut device 70 of sinle silk is including first last cutting edge 71, first cutting edge 72, and first last cutting edge 71 and first cutting edge 72 move in opposite directions, excise the end of sinle silk 210. After the wire core 210 is dipped in the tin liquid, the first pressing cylinder 221 drives the pressing block 222 to move upwards, the auxiliary seat body 123 loses the pressing force of the pressing block 222, the torsion spring recovers the elastic deformation and drives the auxiliary seat body 123 to reset, and the auxiliary seat body 123 turns upwards by 90 degrees relative to the main seat body 122. In the process of upset, because the effect of centrifugal force, partial tin liquid on the sinle silk 210 can flow to sinle silk 210's end department, makes sinle silk 210's end department gather more tin liquid, if directly weld, then the tin point appears easily, influences the effect of soldering tin.

Combine as shown in the accompanying drawing 2, the utility model discloses still include wired core trimming device 80, sinle silk trimming device 80 is used for straightening and pruning sinle silk 210 to pressing from both sides tool 12 department, sinle silk trimming device 80 is including second down air cylinder 81, separated time board 83, top board 84, holding down plate 85, cutting edge 86 on the second, second cutting edge 87 down, upward moving plate 88, move down board 89 down, second down air cylinder 81 is used for pushing down the trunk of wire rod, cutting edge 86 fixed mounting is in upward moving plate 88 on top board 84 and the second, holding down plate 85 and second cutting edge 87 fixed mounting are in moving down board 89 down, separated time board 83 fixed mounting is in top board 84 or holding down plate 85. The wire core trimming device 80 is further provided with a second jig positioning cylinder 82, two pneumatic fingers of the second jig positioning cylinder 82 are changed from an open state to a closed state towards the middle to drive the auxiliary base body 123, so that the wire cores are aligned to the seam of the wire distributing plate 83 and do not deviate, and the wire cores of the wire rods can be accurately combed by the wire distributing plate 83.

Specifically, as shown in fig. 2, when the wire core 210 is straightened, the telescopic rod of the second lower pressing cylinder 81 presses the trunk 220 of the wire 200, the upper moving plate 88 and the lower moving plate 89 move in the opposite direction, the upper moving plate 88 drives the upper pressing plate 84, and the lower moving plate 89 drives the lower pressing plate 85, so as to flatten the end of the wire core 210; when the wire core 210 is trimmed, the upper moving plate 88 and the lower moving plate 89 move towards each other, the upper moving plate 88 drives the second upper cutting edge 86, and the lower moving plate 89 drives the second lower cutting edge 87, so that the redundant part of the wire core 210 is trimmed.

A welding method of an automatic welding wire machine for an earphone plug is based on the automatic welding wire machine for the earphone plug and comprises the following steps:

a1, conveying the headphone plug 100 to a flat vibrator 42 by a vibrating disc 41, clamping the headphone plug 100 from the flat vibrator 42 by a clamping mechanism 51 of a plug taking and sending device 50, transferring the headphone plug 100 to a plug aligning device 60 by the plug taking and sending device 50, as shown in fig. 6, the headphone plug 100 and a floating head 622 of the plug aligning device 60 are located at the same central axis, a first motor 61 drives a rotating head 62 to rotate, the rotating head 62 drives the floating head 622 to synchronously rotate, a first cylinder 63 drives the first motor 61, the rotating head 62 and the floating head 622 installed at the first motor 61 to translate towards the central axis direction of the headphone plug 100 through a moving seat 65, and the floating head 622 rotates while translating; when the floating head 622 is in a rotating state, the middle socket 621 of the floating head 622 can have various orientations, and when the orientation of the middle socket 621 is consistent with the orientation of the semi-cylindrical structure of the earphone plug 100, the semi-cylindrical structure at one end of the earphone plug 100 is inserted into the middle socket 621 of the floating head 622;

as shown in fig. 7, after the semi-cylindrical structure is inserted into the middle socket 621, the rotating head 62 drives the earphone plug 100 to rotate continuously through the floating head 622, so as to swing the earphone plug 100 to a designated orientation, the earphone plug 100 rotates between the left clamping block 512 and the right clamping block 513, and the ball-pulling head 515 rolls over with the earphone plug 100 when the earphone plug 100 rotates; after the earphone plug 100 is aligned, the plug taking and delivering device 50 transfers the earphone plug 100 to the welding device 30;

as shown in fig. 8, the wire conveying mechanism 11 conveys the clamping jig 12 to the welding device 30, the wire is placed at the clamping jig 12, the wire core of the wire is clamped in the wire clamping channel 1211 of the fork block 121, and the wire core is stained with the tin liquid; at the welding device 30, the core of the wire is located above the earphone plug 100;

a2, as shown in fig. 9, the positioning mechanism 32 of the soldering apparatus 30 accurately positions the wire core 210 at each soldering position 121 of the headphone plug 100, the second jaw cylinder 321 of the positioning mechanism 32 carries the upper positioning plate 322 and the lower positioning plate 323 to move towards each other, the upper positioning plate 322 in the process of moving downwards clips the wire core 210 into the positioning track 3221 and accurately presses the wire core 210 to each soldering position 121 of the headphone plug 100;

a3, referring to fig. 10, the soldering iron 31 of the soldering apparatus 30 moves downward, and the soldering iron tip 311 of the soldering iron 31 simultaneously solders the respective wire cores 210 to the respective soldering positions 121 of the earphone plug 100.

A working method of an automatic welding wire machine for an earphone plug is based on the automatic welding wire machine for the earphone plug and comprises the following steps:

b1, firstly, placing the wire 200 on the clamping jig 12, and clamping the wire core 210 of the wire 200 into the wire clamping channel 1211 of the fork block 121; simultaneously pouring a plurality of earphone plugs 100 into the vibration plate 41;

b2, referring to fig. 2, the wire conveying mechanism 11 transfers the clamping jig 12 with the wires 200 placed thereon to the wire core trimming device 80, and the wire core trimming device 80 flattens the wire cores 210 and then trims the wire cores 210;

b3, with reference to fig. 3 and 4, after the wire 200 is flattened and trimmed, the wire conveying mechanism 11 transfers the clip fixture 12 to the tin wetting device 20 for tin wetting;

b4, with reference to fig. 5, after the wetting, the wire conveying mechanism 11 transfers the clamping jig 12 to the wire core punching device 70, and the wire core punching device 70 cuts off the end of the wire core 210;

b5, referring to fig. 6 and 7, the vibration plate 41 transports the headphone plug 100 to the flat vibrator 42, the holding mechanism 51 of the plug transfer device 50 holds the headphone plug 100 from the flat vibrator 42, and the plug transfer device 50 transfers the headphone plug 100 to the plug aligning device 60. As shown in fig. 6, the headphone plug 100 and the floating head 622 of the plug straightening device 60 are located on the same central axis, the first motor 61 drives the rotating head 62 to rotate, the rotating head 62 drives the floating head 622 to rotate synchronously, the first cylinder 63 drives the first motor 61, the rotating head 62 and the floating head 622 installed on the first motor 61 to translate towards the central axis of the headphone plug 100 through the moving seat 65, and the floating head 622 rotates while translating; when the floating head 622 is in a rotating state, the middle socket 621 of the floating head 622 may have various orientations, as shown in fig. 7, and when the orientation of the middle socket 621 is consistent with the orientation of the semi-cylindrical structure of the earphone plug 100, the semi-cylindrical structure of one end of the earphone plug 100 is inserted into the middle socket 621 of the floating head 622;

after the semi-cylindrical structure is inserted into the middle socket 621, the rotating head 62 drives the earphone plug 100 to continuously rotate through the floating head 622 so as to swing the earphone plug 100 to a specified orientation, the earphone plug 100 rotates between the left clamping block 512 and the right clamping block 513, and the ball-poking head 515 rolls along with the earphone plug 100 when the earphone plug 100 rotates; after the earphone plug 100 is aligned, the plug taking and delivering device 50 transfers the earphone plug 100 to the welding device 30;

meanwhile, as shown in fig. 12, the wire conveying mechanism 11 conveys the clamping jig 12 to the welding device 30, the wire is placed at the clamping jig 12, the wire core of the wire is clamped in the wire clamping channel 1211 of the fork block 121, and the wire core is stained with the tin liquid; at the welding device 30, the core of the wire is located above the earphone plug 100;

b6, referring to fig. 8, the positioning mechanism 32 of the soldering apparatus 30 accurately positions the wire core 210 at each soldering position 121 of the headphone plug 100, the second jaw cylinder 321 of the positioning mechanism 32 carries the upper positioning plate 322 and the lower positioning plate 323 to move towards each other, the upper positioning plate 322, during the downward movement, clamps the wire core 210 into the positioning track 3221 and accurately presses the wire core 210 against each soldering position 121 of the headphone plug 100;

b7, referring to fig. 9, the soldering iron 31 of the soldering device 30 moves downward, and the soldering iron tip 311 of the soldering iron 31 simultaneously solders the wire cores 210 to the soldering positions 121 of the earphone plug 100. Specifically, the utility model discloses still including discharge apparatus 90, after accomplishing the welding, wire rod conveying mechanism 11 will press from both sides tool 12 and transfer to discharge apparatus 90 department, combine that fig. 11 is shown, and discharge apparatus 90 will press from both sides tool 12 department and weld the wire rod 200 that has headphone plug 100 and take out. The discharging device 90 comprises a third clamping jaw cylinder 91, the third clamping jaw cylinder 91 clamps the trunk 220 of the wire 200, and the wire 200 is taken out from the clamping fixture 12.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.

The above is not intended to limit the technical scope of the present invention, and any modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention all still belong to the scope of the technical solution of the present invention.

Claims

1. The utility model provides an automatic bonding wire machine of headphone plug which characterized in that: the device comprises a wire feeding device (10), a tin adhering device (20), a welding device (30), a plug feeding device (40), a plug taking and delivering device (50) and a plug straightening device (60), wherein the wire feeding device (10) comprises a wire conveying mechanism (11) and a plurality of clamping jigs (12), the clamping jigs (12) are used for clamping and placing wires, the clamping jigs (12) comprise fork blocks (121) used for forking and separating wire cores, each fork block (121) comprises a wire clamping channel (1211), the wire conveying mechanism (11) sequentially conveys the clamping jigs (12) to the tin adhering device (20) and the welding device (30), and the welding device (30) comprises an electric soldering iron (31) used for welding and a positioning mechanism (32) used for correspondingly positioning each wire core to each welding position of an earphone plug; plug feedway (40) are including vibration dish (41), flat vibrator (42), a plurality of headphone plug have been stacked in vibration dish (41), vibration dish (41) carry headphone plug extremely flat vibrator (42), plug fetch and deliver device (50) are followed flat vibrator (42) department acquires headphone plug and transports extremely plug aligning device (60) department, plug aligning device (60) are right the headphone plug of plug fetch and deliver device (50) department carries out the orientation correction, plug fetch and deliver device (50) will accomplish the headphone plug that the orientation was corrected and transfer extremely welding set (30) department.

2. The automatic earphone plug wire bonding machine according to claim 1, wherein: the plug taking and delivering device (50) comprises a clamping mechanism (51), the clamping mechanism (51) comprises a first clamping jaw cylinder (511), a left clamping block (512) and a right clamping block (513), the left clamping block (512) and the right clamping block (513) are respectively and fixedly installed at two pneumatic fingers of the first clamping jaw cylinder (511), a left half groove is formed in the position of the left clamping block (512), at least one ball plunger (514) is installed in the left half groove, a right half groove is formed in the position of the right clamping block (513), and at least one ball plunger (514) is installed in the right half groove; when the first clamping jaw cylinder (511) clamps an earphone plug, the plug end of the earphone plug is positioned in a cavity formed by the left half groove and the right half groove, and a ball shifting head (515) of the ball plunger (514) at the left half groove and a ball shifting head (515) of the ball plunger (514) at the right half groove tightly push the earphone plug together;

the plug straightening device (60) comprises a first motor (61), a rotating head (62), a first air cylinder (63) and a moving seat (65), wherein a recessed groove is formed in the rotating head (62), a floating head (622) is arranged in the recessed groove, a screw hole is formed in the rotating head (62), a limiting screw (624) is inserted in the screw hole, a limiting groove (6221) is formed in the position of the floating head (622) at the screw hole, the end part of the limiting screw (624) is located in the limiting groove (6221), the limiting screw (624) limits the floating head (622), the floating head (622) can only slide inwards relative to the rotating head (62) and cannot slide outwards to the recessed groove of the rotating head (62), the rotating head (62) drives the floating head (622) to rotate synchronously through the limiting screw (624), and an intermediate spring (623) is arranged between the floating head (622) and the rotating head (62), the one end of middle spring (623) with it is inconsistent to float head (622), the other end of middle spring (623) with rotating head (62) are inconsistent, it has middle socket (621) to open to float head (622), the shape of middle socket (621) is the same with the terminal surface of headphone plug's semi-cylindrical structure, rotating head (62) fixed mounting in the motor shaft of first motor (61), first motor (61) install in remove seat (65), the telescopic link of first cylinder (63) with it is connected to remove seat (65), first motor (61) drive rotating head (62) rotate, rotating head (62) drive floating head (622) carry out synchronous revolution, first cylinder (63) pass through remove seat (65) and drive first motor (61) and install in first motor (61) department rotating head (62) with floating head (622) towards headphone The plug is translated along the central axis direction,

floating head (622) is rotatory on one side translation, inserts until the semi-cylindrical structure of headphone plug one end float head (622) middle socket (621), the semi-cylindrical structure inserts middle socket (621) back, rotating head (62) pass through stop screw (624) drive float head (622), it continues the rotation to float head (622) drive headphone plug to correct headphone plug to appointed orientation, headphone plug is in left clamp splice (512) with rotate between right clamp splice (513), dial pearl head (515) and roll along with headphone plug when headphone plug is rotatory.

3. The automatic earphone plug wire bonding machine according to claim 2, wherein: the positioning mechanism (32) comprises a second clamping jaw cylinder (321), an upper positioning plate (322) and a lower positioning seat (323) which are fixedly installed at two clamping jaws of the second clamping jaw cylinder (321) respectively, the upper positioning plate (322) is matched with the lower positioning seat (323), the upper positioning plate (322) is provided with a plurality of positioning channels (3221), the number of the positioning channels (3221) is equal to that of the wire cores, and each positioning channel (3221) corresponds to one wire core; the end face of the lower positioning seat (323) in contact with the wire core is an inclined plane; when accurately positioning the sinle silk in each welding position of headphone plug, second clamping jaw cylinder (321) drive go up locating plate (322) with lower positioning seat (323) carry out the removal in opposite directions, go up locating plate (322) are gone into with the sinle silk card in the in-process of downstream locating track (3221) and press the sinle silk to the terminal surface of lower positioning seat (323) and sinle silk contact.

4. The automatic earphone plug wire bonding machine according to claim 3, wherein: the electric soldering iron (31) is provided with a soldering iron head (311), the soldering iron head (311) is provided with a plurality of convex steps (3111), and each convex step (3111) corresponds to a soldering position.

5. The automatic earphone plug wire bonding machine according to claim 1 or 4, wherein: the clamping jig (12) further comprises a main seat body (122), an auxiliary seat body (123), an intermediate shaft (124) and a torsion spring, wherein the main seat body (122) and the auxiliary seat body (123) are hinged to the intermediate shaft (124), the torsion spring is sleeved on the intermediate shaft (124), the torsion spring comprises two support legs, the two support legs respectively abut against the main seat body (122) and the auxiliary seat body (123), and the fork block (121) is fixedly arranged on the auxiliary seat body (123);

the tin wetting device (20) comprises a tin liquid box (21) and a pressing mechanism (22), tin liquid is contained in the tin liquid box (21), the tin liquid box (21) is arranged on the lower side of the clamping jig (12), the pressing mechanism (22) is arranged on the upper side of the clamping jig (12), the pressing mechanism (22) comprises a first pressing cylinder (221) and a pressing block (222), the pressing block (222) is fixedly arranged on an expansion rod of the first pressing cylinder (221), and the pressing block (222) is arranged above the auxiliary seat body (123); when the tin liquid box is used, the first pressing cylinder (221) drives the pressing block (222) to move downwards, the pressing block (222) presses the auxiliary seat body (123) downwards, the auxiliary seat body (123) is enabled to turn over relative to the main seat body (122), and the wire cores at the fork blocks (121) are stained with tin liquid from the tin liquid box (21).

6. The automatic earphone plug wire bonding machine according to claim 5, wherein: still including the die-cut device of sinle silk (70), the die-cut device of sinle silk (70) are used for excising the end of sinle silk after the sinle silk is stained with tin liquid, the die-cut device of sinle silk (70) is including first last cutting edge (71), first cutting edge (72) down, first last cutting edge (71) with first cutting edge (72) move in opposite directions, excise the end of sinle silk.

7. The automatic earphone plug wire bonding machine according to claim 6, wherein: still including sinle silk trimming means (80), sinle silk trimming means (80) are used for right the sinle silk of pressing from both sides tool (12) department is straightened and is pruned, sinle silk trimming means (80) are including second push down cylinder (81), separated time board (83), top board (84), holding down plate (85), second upper cutting edge (86), second lower cutting edge (87), upward movable plate (88), lower movable plate (89), second push down cylinder (81) are used for pushing down the trunk of wire rod, top board (84) with second upper cutting edge (86) fixed mounting in upper movable plate (88), holding down plate (85) with second lower cutting edge (87) fixed mounting in move down movable plate (89), separated time board (83) fixed mounting in top board (84) or holding down plate (85).