CN112436364A

CN112436364A - High-definition multimedia interface (HDMI) high-definition multimedia connector wire end tin immersion device, tin immersion method and welding equipment

Info

Publication number: CN112436364A
Application number: CN202011216940.6A
Authority: CN
Inventors: 徐强; 魏永林; 魏志长
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-03-02

Abstract

The invention discloses a wire end tin immersion device of an HDMI connector, which comprises a turnover material passing mechanism, a driving mechanism and a tin pool assembly, wherein the turnover material passing mechanism is arranged right below the driving mechanism; the overturning and material passing mechanism comprises a rotary material passing frame, a rotating shaft, a rack and pinion assembly and an overturning air cylinder; a through groove is formed in the upper end of the rotary material passing frame, and a carrier passes through the through groove; the rotating shaft is fixedly arranged below the rotating material passing frame and hinged on the rack through the rotating seat. The invention has the advantages of high tin immersion efficiency and high tin immersion quality.

Description

High-definition multimedia interface (HDMI) high-definition multimedia connector wire end tin immersion device, tin immersion method and welding equipment

Technical Field

The invention relates to the technical field of connector welding production, in particular to a tin dipping device, a tin dipping method and welding equipment for the wire end part of an HDMI high-definition multimedia connector.

Background

HDMI high definition multimedia connector is a universal serial bus's hardware interface, and the appearance is fine and thin, and transmission speed is fast, the highest 10Gbps to and strong and bold power transmission, the highest 100W supports two-sided inserting, and the user need not worry the positive and negative problem that traditional USB port brought. HDMI high definition multimedia connector generally comprises HDMI connects and the wire rod of being connected with it, and a plurality of copper posts are exposed to the wire rod tip, and the inside cavity of copper post, copper core set up in the copper post to connect through soldering tin, connect through butt-joint between copper core and the HDMI connects. The HDMI connects and is provided with the PCB board, is provided with the welding hole site on the PCB board, and when assembly HDMI high definition multimedia connector, each signal line all needs the manual work to arrange to the welding, the HDMI high definition multimedia connector outward appearance and the functional effect that manual welding came out are not good, and the yields is low, and the cost of labor is high moreover, is unfavorable for the popularization of product.

The Chinese invention patent application (publication number: CN109038153A, published: 2018.12.18) discloses a manufacturing method of an HDMI high-definition multimedia connector, which comprises the following steps: preparing an HDMI wire and preprocessing the HDMI wire; forming the inner mold, and performing injection molding on the inner mold by using an automatic forming inner mold machine; stripping core wires and tinning, namely placing the wire body into a core wire stripping machine to strip core wire skins, and tinning; providing an HDMI connector, wherein the HDMI connector comprises an HDMI interface and a PCB, the HDMI interface is electrically connected with the PCB, and soldering tin points are arranged on two end faces of the PCB, which are away from one end of the HDMI interface; automatic soldering tin, namely, enabling core wires in the HDMI wires to correspond to soldering tin points on the PCB one by one, and welding by using an automatic welding machine; assembling and testing, namely performing injection molding assembly molding on the product according to the requirement of the product, and performing function and appearance test on the product.

The prior art has the following defects: 1. the tin immersion operation of the end part of the wire is difficult, and the tin immersion depth is difficult to accurately control; 2, the roundness of the copper column part of the wire rod is not high, and subsequent assembly is easy to make mistakes; 3. the automation degree is low, and the production efficiency is low; 4. the copper core is low in plugging efficiency; 5. the HDMI connector has low feeding efficiency and small structure, so that the HDMI connector is difficult to separate; 6. the wire rod circulates inefficiency between each station, is difficult to realize the backward flow.

Disclosure of Invention

The invention aims to provide a high-definition multimedia connector wire end tin immersion device and a high-definition multimedia connector wire end tin immersion method, which have high tin immersion efficiency and high tin immersion quality, aiming at the problems that the wire end tin immersion operation is difficult and the tin immersion depth is difficult to control accurately in the prior art.

For the purpose of the invention, the following technical scheme is adopted: a wire end tin immersion device of an HDMI high-definition multimedia connector comprises an overturning and material passing mechanism, a driving mechanism and a tin pool assembly, wherein the overturning and material passing mechanism is arranged right below the driving mechanism, two groups of overturning and material passing mechanisms are arranged, and the two groups of overturning and material passing mechanisms are sequentially connected; the overturning and material passing mechanism comprises a rotary material passing frame, a rotating shaft, a gear rack assembly and an overturning air cylinder; a through groove is formed in the upper end of the rotary material passing frame, and a carrier passes through the through groove; the rotating shaft is fixedly arranged below the rotating material passing frame and is hinged on the rack through the rotating seat; the gear rack assembly comprises a gear and a rack which are meshed with each other, the gear is fixed on the rotating shaft, the rack is movably matched on the rack, the rack is connected with the telescopic end of the overturning cylinder, and the overturning cylinder is fixed on the rack.

Preferably, the tin pool assemblies are also provided with two groups, the two groups of tin pool assemblies are respectively arranged on two sides of the overturning and feeding mechanism, and the tin pool assemblies respectively correspond to one group of overturning and feeding mechanism.

Preferably, the driving mechanism comprises a hanging seat, a transverse moving cylinder, a longitudinal moving frame, a pushing block and a transverse moving plate; the hanging seat is fixed on the rack, the transverse moving cylinder is arranged on the hanging seat, the transverse moving plate is movably connected to the hanging seat through a sliding rail, and the transverse moving plate is connected with the telescopic end of the transverse moving cylinder; the longitudinal moving cylinder is vertically arranged on the transverse moving plate, the longitudinal moving frame is movably connected to the transverse moving plate, and the longitudinal moving frame is connected with the telescopic end of the longitudinal moving cylinder; the push blocks are arranged on the longitudinal moving frame at certain intervals.

Preferably, the tin pool assembly comprises a tin pool, a first lifting cylinder, a T-shaped plate, a tin liquid bucket, a tin scraping plate, a two-degree-of-freedom moving module, a cooling liquid pool, a cooling liquid bucket and a second lifting cylinder; the tin pool is fixed on the frame, and an electric heating wire is arranged in the tin pool to heat the tin liquid in the pool; the first lifting cylinder is arranged on the rack, and the T-shaped plate is arranged at the telescopic end of the first lifting cylinder; the tin liquid hoppers are arranged on the T-shaped plate and are positioned in the tin pool; the tin scraping plate is connected to the rack through the two-degree-of-freedom moving module, is positioned in the tin pool and corresponds to the tin liquid hopper; the cooling liquid pool is fixed on the frame, the second lifting cylinder is vertically installed on the frame, the cooling liquid bucket is installed at the telescopic end of the second lifting cylinder, and the cooling liquid bucket is located in the cooling liquid pool.

A method for tin immersion of the end part of a wire of an HDMI high-definition multimedia connector comprises the steps that at a turnover material passing mechanism, a turnover cylinder drives a gear rack assembly to move, a rotary material passing rack is turned for ninety degrees, and a copper column at the end part of the wire is immersed in tin liquid; after the tin liquid is scraped off the surface oxide layer by the tin scraping plate, the tin liquid is lifted by the tin liquid bucket, so that the copper column is immersed; then a pushing block on the driving mechanism pushes the carrier to realize intermittent motion, and the copper column soaked with the tin liquid is soaked in the cooling liquid to realize cooling and shaping; the overturning and material passing mechanism overturns towards two sides in sequence to realize tin immersion at two ends.

The welding production equipment for the HDMI high-definition multimedia connector comprises a rack, and a carrier conveying device, a shaping device, a tin immersion device and a welding system which are arranged on the rack; the carrier conveying device is in a linear shape and is divided into an upper layer and a lower layer; a gap is arranged in the middle of the carrier conveying device, and the tin immersion device is arranged at the gap; the carrier conveying device is provided with a shaping station, a core inserting station and a welding station, the welding system comprises a copper core inserting device, an HDMI feeding device and a welding device, the shaping device corresponds to the shaping station, the copper core inserting device is symmetrically arranged on two sides of the core inserting station, and the welding device is symmetrically arranged on two sides of the welding station; the tin immersion device adopts the technical scheme to provide the tin immersion device for the end part of the HDMI high-definition multimedia connector wire.

Preferably, the carrier conveying device is used for conveying the carrier, the shaping device is used for shaping a copper column of the wire, the tin immersion device is used for immersing tin liquid at the end of the wire, the copper core insertion device is used for installing the copper core into the copper column on the wire, the HDMI feeding device realizes feeding of the HDMI joint, and the welding device realizes connection of the HDMI joint and the wire.

Adopt above-mentioned technical scheme's a HDMI high definition multimedia connector wire rod tip wicking device and wicking method's advantage is: the wire rod and the carrier are turned over together, tin immersion is realized in a tin immersion pool, tin immersion can be simultaneously performed on a plurality of copper columns, efficiency is improved, the carrier in the turning and passing mechanism moves through the driving mechanism arranged above the carrier, the mass of the turning and passing mechanism is reduced, the turning inertia is reduced, the turning and passing mechanism can realize both feeding and turning, and efficiency is improved; adopt the tin liquid fill to carry out the wicking with the mode that the tin liquid lifted during wicking, compare the mode that directly gets into the tin pond, guarantee the highly uniform of wicking at every turn, do not change along with tin liquid consumption, the follow-up processing of being convenient for is cooled off after the wicking.

Adopt above-mentioned technical scheme's an HDMI high definition multimedia connector welding production facility's advantage is:

1. the carrier conveying device is driven by arranging the stepping moving assembly at the processing station, so that on one hand, the moving rigidity is effectively improved, on the other hand, the moving precision is improved, and the wire processing precision is improved; the below flows back through setting up the conveyor belt subassembly, and the transport mode raise the efficiency that lasts, upper and lower two-layer move through going up and down to get the subassembly and realize linking up, move through setting up the transport manipulator and get, realize automatic unloading of going up, improve conveying efficiency.

2. The shaping device clamps the copper column through the pressing block for shaping, so that the roundness of the copper column is improved, and the success rate of subsequent assembly is improved; when the wire is shaped, the wire is compressed by the compression plate, the end part of the wire is kept to face to two sides, so that the wire can be prevented from being rebounded and bent, and the success rate of stretching in of the shaping mechanism is improved; on the other hand, the wire is clamped, and the posture is kept fixed; air blowing is performed on the copper column through air blowing, and the quality of subsequent tin immersion is improved.

3. The tin immersion device realizes tin immersion in a tin immersion pool by turning over the wire together with the carrier, can perform tin immersion on a plurality of copper columns simultaneously, improves the efficiency, realizes the movement of the carrier in the turning and passing mechanism through the driving mechanism arranged above the carrier, reduces the mass of the turning and passing mechanism, reduces the inertia of turning, realizes both the passing and the turning of the turning and passing mechanism, and improves the efficiency; adopt the tin liquid fill to carry out the wicking with the mode that the tin liquid lifted during wicking, compare the mode that directly gets into the tin pond, guarantee the highly uniform of wicking at every turn, do not change along with tin liquid consumption, the follow-up processing of being convenient for is cooled off after the wicking.

4. The copper core of the copper core inserting device adopts a whole strip feeding mode, and the copper core is cut during assembly, so that the feeding efficiency of the copper core is improved; through cutting a plurality of copper cores simultaneously, cut the back and press from both sides tight heating to melt the tin liquid of copper post on the wire rod, insert the copper core, the copper post passes through ladder semicircle orifice location, realizes the centering of copper post and copper core, improves assembly precision and efficiency.

The HDMI feeding device continuously feeds materials through vibration, so that the single HDMI connector is separated and moves in a fixed track, the stability is improved, the subsequent pushing is facilitated, the position of the single HDMI connector is limited, and the moving precision is improved; the two groups of unidirectional push block assemblies are arranged, so that the two HDMI joints can be pushed, and the two HDMI joints can be simultaneously carried by the carrying mechanism, so that the feeding efficiency is improved; the transport mechanism is used for clamping the upper end part of the HDMI connector, the lower end of the HDMI connector is exposed to enable corresponding welding to be conducted, the transport mechanism achieves the positioning and clamping functions at the same time, and machining efficiency is high.

Drawings

FIG. 1 is a flow chart of the production method of the present invention.

Fig. 2 is an exploded view of the vehicle transportation apparatus.

Fig. 3 is an exploded view of the step-and-move assembly.

Fig. 4 is an exploded view of the vehicle.

Fig. 5 is an exploded view of the reforming device.

Fig. 6 is an exploded view of the wicking device.

Fig. 7 is an exploded view of the drive mechanism.

FIG. 8 is a block diagram of a tin bath assembly.

Fig. 9 is an exploded view of the copper core insertion device.

Fig. 10 is a schematic view of the lower cartridge assembly.

Fig. 11 is an exploded view of the HDMI feeding device.

Fig. 12 is an exploded view of the welding apparatus.

Fig. 13 is a structural diagram of an HDMI high-definition multimedia connector.

Detailed Description

As shown in fig. 1 to 13, an HDMI high definition multimedia connector soldering production apparatus includes a rack 1, and a carrier conveying device 2, a shaping device 3, a wicking device 4 and a soldering system mounted on the rack 1; the carrier conveying device 2 is in a linear shape, and the carrier conveying device 2 is divided into an upper layer and a lower layer; a gap is arranged in the middle of the carrier conveying device 2, and the tin immersion device 4 is arranged at the gap; the carrier conveying device 2 is provided with a shaping station, a core inserting station and a welding station, the welding system comprises a copper core inserting device 5, an HDMI feeding device 6 and a welding device 7, the shaping device 3 corresponds to the shaping station, the copper core inserting device 5 is symmetrically arranged on two sides of the core inserting station, and the welding device 7 is symmetrically arranged on two sides of the welding station.

The carrier conveying device 2 is used for conveying a carrier, the shaping device 3 is used for shaping a copper column of a wire, the tin immersion device 4 is used for immersing tin liquid at the end of the wire, the copper core insertion device 5 is used for installing the copper core into the copper column on the wire, the HDMI feeding device 6 is used for feeding an HDMI connector, and the welding device 7 is used for connecting the HDMI connector and the wire. The wicking device 4 is a wicking device for the end of the HDMI high definition multimedia connector wire.

As shown in fig. 13, the HDMI high definition multimedia connector includes an HDMI connector 400 and a wire 100 connected thereto, wherein a plurality of copper posts 200 are exposed at ends of the wire 100, the copper posts 200 are hollow, a copper core 300 is disposed in the copper posts 200 and connected thereto by soldering, and the copper core 300 and the HDMI connector 400 are connected thereto by butt-welding.

As shown in fig. 2, the carrier transportation device 2 includes a first step movement assembly 21, a second step movement assembly 22, a lifting and lowering and taking assembly 23, a transportation belt assembly 24, a transfer seat 25, a carrier 26 and a handling robot; the first stepping moving assembly 21 and the second stepping moving assembly 22 are arranged on the rack, the conveying belt assembly 24 is positioned right below the first stepping moving assembly 21 and the second stepping moving assembly 22, and the lifting moving assembly 23 is connected with the discharge end of the second stepping moving assembly 22 and the feed end of the conveying belt assembly 24; the middle rotary bases 25 are fixed on the rack, two middle rotary bases 25 are arranged on the middle rotary bases 25, the two middle rotary bases 25 are respectively positioned on two sides of the first further moving assembly 21, the carrying manipulator is arranged on the rack, and the carrying manipulator is connected with the feed ends of the middle rotary bases 25 and the first further moving assembly 21; along the processing direction, the carrier 26 moves in the first step moving assembly 21, the second step moving assembly 22, the lifting and taking assembly 23 and the conveying belt assembly 24 in sequence.

As shown in fig. 3, the stepping moving assembly includes a moving rail 211, a supporting plate 212, a cross bar 213, a stepping cylinder 214, a mounting block 215, and a swinging block 216, wherein a track for the carrier 26 to move horizontally is disposed at the upper end of the moving rail 211, and the supporting plate 212 is disposed below the moving rail 211; the cross bar 213 is movably connected to the moving rail 211 through a sliding rail, the stepping cylinder 214 is installed on the frame, and the telescopic end of the stepping cylinder 214 is connected with the cross bar 213; the mounting blocks 215 are uniformly mounted on the cross bar 213, the swinging block 216 is hinged in the mounting blocks 215, a spring is arranged between the swinging block 216 and the mounting blocks 215, the upper end of the swinging block 216 is provided with a wedge, and the inclined plane of the wedge corresponds to the feeding direction of the carrier.

The lifting moving assembly 23 comprises a lifting cylinder 231, a receiving seat 232, a side pushing cylinder 233 and a side pushing rod 234; the lifting cylinder 231 is arranged on the frame through a support plate, and the material receiving seat 232 is arranged at the telescopic end of the lifting cylinder 231; the side push rod 234 is arranged at the telescopic end of the side push cylinder 233, and the side push cylinder 233 is horizontally arranged on the support plate; the side push rod 234 is correspondingly arranged below the material receiving seat 232, and the side push rod 234 is connected with the feeding end of the conveying belt assembly 24.

The conveying belt assembly 24 comprises a profile frame 241, a conveying motor 242 and a conveying belt 243; the conveying motor 242 is installed on the section frame 241, a track through which a carrier passes is arranged at the upper end of the section frame 241, rolling shafts are arranged at two ends of the section frame 241, a conveying belt 243 is wound on the rolling shafts, and one rolling shaft is connected with an output shaft of the conveying motor 242.

As shown in fig. 4, the carrier 26 includes a base 261, a fixing column 262, a lifting seat 263, an overturning block 264, a positioning plate 265 and a wire clamping block 266; the base 261 is inverted T-shaped, a notch is formed in the middle of the base 261, the fixed column 262 is installed at the notch, and two rotating shafts 2621 are arranged at the top of the fixed column 262; the lifting seat 263 is sleeved outside the fixed column 262, a guide post 2631 is arranged at the lower end of the lifting seat 263, the guide post 2631 and the base 261 form a movable fit, a thick part is arranged at the lower end of the guide post 2631, a compression spring 2632 is arranged outside the guide post 2631, the upper end of the compression spring 2632 abuts against the bottom surface of the base 261, the lower end of the compression spring 2632 abuts against the thick part of the guide post 2631, and the compression spring 2632 compresses the guide post 2631 downwards; the two sides of the lifting seat 263 are provided with cut grooves 2633; the turning block 264 is provided with two round holes, the round hole at the outermost edge is hinged in the rotating shaft 2621, and the other round hole is provided with a bolt which is matched in the notch 2633; the positioning plate 265 is fixed on the turning block 264; the upper surfaces of two ends of the positioning plate 265 are provided with corrugated grooves 2651, the upper end of the base 261 is provided with a step, and the positioning plate 265 is positioned at the step; vertical grooves 2611 are formed in two side edges of the base 261, the upper portion of each vertical groove 2611 is wide, the lower portion of each vertical groove is narrow, a step is formed, and the end portion of a wire rod is just clamped at the step to prevent the wire rod from falling down; the wire clamping block 266 is arranged in the base 261, the side surface of the wire clamping block 266 is pressed by a spring, and the side surface of the wire clamping block 266 is provided with an arc notch, and the size of the arc notch is matched with the diameter of the wire.

The working principle of the carrier 26 is as follows: the end parts of the wires are placed on the surfaces of the two sides of the two positioning plates 265, the lower ends of the wires are coiled, the wires are naturally hung directly, and the wire clamping blocks 266 clamp the middle parts of the wires to prevent the wires from falling off when moving; the wire in the wire rod is divided into two parts, horizontally faces to two sides, and is subjected to subsequent shaping and tin immersion operation; and finally, in the welding process, the lifting seat 263 is jacked up, so that the turnover block 264 is driven to rotate, the positioning plate 265 is turned over by ninety degrees, the wiring harness is turned to be vertical, and the welding is facilitated.

The carrier 26 solves the problems that the processing attitude of the wire rod is changed along with the processing procedure and the operation is difficult; the wire rods are arranged in the vertical grooves on the two sides of the base 261, each base can be used for placing two wire rods, the machining efficiency is improved, the end portions of the wire rods are clamped by the steps in the vertical direction to be positioned, and the positioning is realized through the wire rod clamping blocks 266 in the horizontal direction, so that the position accuracy of the end portions of the wire rods is packaged; each wire of the wire rods is positioned in the groove 2651 of the positioning plate 265, so that dislocation is prevented, and the processing precision of the single wire is improved; the locating plate 265 can overturn, realizes the change of two horizontal and vertical attitudes of wire rod, adapts to the demand of different processing tasks, and the locating plate 265 pushes up the guide pillar 2631 through outside power and realizes moreover, makes the carrier mechanism light and handy, convenient and reliable.

When the carrier conveying device 2 works, a carrying manipulator carries a carrier loaded with unprocessed wire rods into the first further moving assembly 21, the carrier is driven by the step moving assembly to move intermittently, and corresponding processing is carried out between the first further moving assembly 21 and the second further moving assembly 22 to finish assembly; the lifting and moving assembly 23 receives the carriers above, then the lifting and moving assembly descends and places the carriers into the conveying belt assembly 24, the conveying belt assembly 24 drives the carriers to move to the end part, and then the loaded carriers are carried to the middle rotary seat 25 to be discharged.

The carrier conveying device 2 solves the problems that the circulation efficiency of the wire rod among all stations is low and the backflow is difficult to realize, and the processed stations are driven by arranging the stepping moving assembly, so that the moving rigidity is effectively improved, the moving precision is improved, and the wire rod processing precision is improved; the below flows back through setting up conveyor belt subassembly 24, and the transport mode raise the efficiency that lasts, upper and lower two-layer move through going up and down and get subassembly 23 and realize linking up, move through setting up the transport manipulator and get, realize automatic unloading of going up, improve conveying efficiency.

As shown in fig. 5, the shaping device 3 includes a base 31, a gantry 32, a middle cylinder 33, a pressing plate 34 and shaping mechanisms on two sides, the shaping mechanisms are mounted on the base 31, and the shaping mechanisms include a side-shifting cylinder 35, a right-angle mounting base 36, a two-way cylinder 37, a pressing block 38 and a blowing needle 39; the gantry seat 32 is connected to the bases 31 on the two sides, the middle cylinder 33 is installed at the lower end of the gantry seat 32, and the pressing plate 34 is fixed at the telescopic end of the middle cylinder 33; the upper end face of the base 31 is provided with a slide rail, the right-angle mounting seat 36 is movably connected to the base 31 through the slide rail, the side-moving cylinder 35 is fixed on the base 31, and the telescopic end of the side-moving cylinder 35 is connected with the right-angle mounting seat 36; the bidirectional cylinder 37 is arranged on the side surface of the right-angle mounting seat 36, two moving parts which move simultaneously are arranged on the bidirectional cylinder 37, the pressing blocks 38 are fixed on the moving parts of the bidirectional cylinder 37 through a transverse plate 381, the pressing blocks 38 are arranged at two ends of the transverse plate 381, the pressing blocks 38 of the two moving parts are arranged oppositely, and the end surface of each pressing block 38 is provided with a plurality of semicircular notches; the air blowing needle 39 is arranged on the transverse plate 381; the number of the air blowing needles 39 is two, and the two air blowing needles 39 are arranged oppositely. The gantry 32 comprises a mounting plate 321 and a vertical column 322, the vertical column 322 is arranged on the bottom surface of the mounting plate 321, and the vertical columns 322 are respectively fixed on the bases 31 at two sides.

When the shaping device 3 works, the carrier with the wires is positioned in the middle of the gantry seat 32, firstly, the middle cylinder 33 drives the pressing plate 34 to descend, and the wires are pressed from the upper part to be exposed from two sides; then the shaping mechanisms on the two sides shape the wire ends on the two sides, the lateral movement cylinder 35 drives the right-angle mounting seat 36 to move close to the inner side, the bidirectional cylinder 37 tightens the pressing block 38 after reaching a specified position, the copper columns on the wire ends are pressed to be round, and meanwhile the air blowing needle 39 blows air to remove impurities from the copper columns.

The shaping device 3 solves the problems that the roundness of the copper column part of the wire rod is not high and the subsequent assembly is easy to make mistakes, and the copper column is clamped tightly by the pressing block 38 for shaping, so that the roundness of the copper column is improved, and the success rate of the subsequent assembly is improved; when the wire is shaped, the wire is compressed by the compression plate 34, the end part of the wire is kept facing to two sides, on one hand, the wire can be prevented from rebounding and bending, and the success rate of stretching in of the shaping mechanism is improved; on the other hand, the wire is clamped, and the posture is kept fixed; the air blowing needle 39 is arranged to blow air and remove dust on the copper column, so that the quality of subsequent tin immersion is improved.

As shown in fig. 6, the device for wicking the end of the HDMI high-definition multimedia connector wire comprises an overturning material passing mechanism 41, a driving mechanism 42 and tin pool components 43, wherein the overturning material passing mechanism 41 is arranged under the driving mechanism 42, the overturning material passing mechanism 41 is provided with two groups, the two groups of overturning material passing mechanisms 41 are sequentially connected, the tin pool components 43 are also provided with two groups, the two groups of tin pool components 43 are respectively arranged on two sides of the overturning material passing mechanism 41, and the tin pool components 43 respectively correspond to the one group of overturning material passing mechanism 41. The overturning material passing mechanism 41 comprises a rotary material passing frame 411, a rotating shaft 412, a rack and pinion assembly 413 and an overturning air cylinder 414; a through groove 4111 is formed in the upper end of the rotary material passing frame 411, and a carrier passes through the through groove 4111; the rotating shaft 412 is fixedly arranged below the rotating material passing frame 411, and the rotating shaft 412 is hinged on the rack through a rotating seat 415; the gear rack assembly 413 comprises a gear and a rack which are meshed with each other, the gear is fixed on the rotating shaft 412, the rack is movably matched on the rack, the rack is connected with the telescopic end of the overturning cylinder 414, and the overturning cylinder 414 is fixed on the rack.

As shown in fig. 7, the driving mechanism 42 includes a hanging seat 421, a traverse cylinder 422, a longitudinal moving cylinder 423, a longitudinal moving frame 424, a pushing block 425 and a traverse plate 426; the hanging seat 421 is fixed on the frame, the traverse cylinder 422 is arranged on the hanging seat 421, the traverse plate 426 is movably connected to the hanging seat 421 through a slide rail, and the traverse plate 426 is connected with the telescopic end of the traverse cylinder 422; the longitudinal moving cylinder 423 is vertically arranged on the transverse moving plate 426, the longitudinal moving frame 424 is movably connected to the transverse moving plate 426, and the longitudinal moving frame 424 is connected with the telescopic end of the longitudinal moving cylinder 423; the push blocks 425 are arranged on the longitudinal moving frame 424 at certain intervals.

As shown in fig. 8, the tin bath assembly 43 includes a tin bath 432, a first lifting cylinder 433, a T-shaped plate 434, a tin bath 435, a tin scraping plate 436, a two-degree-of-freedom movement module 437, a cooling liquid bath 438, a cooling liquid bucket 439 and a second lifting cylinder 4310; the tin pool 432 is fixed on the frame, and an electric heating wire is arranged in the tin pool 432 to heat the tin liquid in the pool; the first lifting cylinder 433 is arranged on the frame, and the T-shaped plate 434 is installed at the telescopic end of the first lifting cylinder 433; two tin liquid hoppers 435 are arranged, the tin liquid hoppers 435 are arranged on a T-shaped plate 434, and the tin liquid hoppers 435 are positioned in a tin pool 432; the tin scraping plate 436 is connected to the frame through a two-degree-of-freedom moving module 437, and the tin scraping plate 436 is positioned in the tin pool 432 and corresponds to the tin liquid bucket 435; the cooling liquid pool 438 is fixed on the frame, the second lifting cylinder 4310 is vertically arranged on the frame, the cooling liquid bucket 439 is arranged at the telescopic end of the second lifting cylinder 4310, and the cooling liquid bucket 439 is positioned in the cooling liquid pool 438.

When the wire end tin immersion device of the HDMI high-definition multimedia connector works, at the overturning and material passing mechanism 41, the overturning cylinder 414 drives the rack and pinion assembly 413 to move, so that the rotating and material passing rack 411 is overturned for ninety degrees, and a copper column at the end of the wire is immersed in tin liquid; after the tin liquid is scraped off the surface oxide layer by a tin scraping plate 436, the tin liquid is lifted by a tin liquid bucket 435, so that the copper column is immersed; then the pushing block 425 on the driving mechanism 42 pushes the carrier to realize intermittent motion, and the copper column soaked with the tin liquid is soaked in the cooling liquid to realize cooling and shaping; the overturning and material passing mechanism 41 overturns towards two sides in sequence to realize the tin immersion at two ends.

The utility model provides a problem that HDMI high definition multimedia connector wire rod tip wicking device has solved wire rod tip wicking operation difficulty, and the wicking degree of depth is difficult to accurate control. The wire rods and the carriers are turned over together, tin immersion is realized in a tin immersion pool, tin immersion can be performed on a plurality of copper columns simultaneously, efficiency is improved, the carriers in the turning material passing mechanism 41 are moved through the driving mechanism 42 arranged above the carriers, the quality of the turning material passing mechanism 41 is reduced, turning inertia is reduced, the turning material passing mechanism 41 can realize material passing and turning, and efficiency is improved; adopt tin liquid fill 435 to carry out the wicking with the mode that tin liquid lifted during wicking, compare the mode that directly gets into the tin pond, guarantee the highly uniform of wicking at every turn, do not consume along with the tin liquid and change, the follow-up processing of being convenient for is cooled off after the wicking.

As shown in fig. 9 and 10, the copper core inserting device 5 comprises a base 51, a moving seat 52, a moving cylinder 53, a cutting cylinder 54, a jacking cylinder 55, a driving bar 56, an upper cutter 57, a lower cutter seat assembly 58 and a driving assembly 59; the base 51 is arranged on the frame, the lower end of the movable seat 52 is movably connected to the base 51 through a slide rail, the movable cylinder 53 is arranged on the side of the base 51, and the telescopic end of the movable cylinder 53 is connected with the movable seat 52; the moving seat 52 is provided with a guide shaft 521, the guide shaft 521 is movably connected with a sliding plate 522, the upper cutter 57 is connected with the sliding plate 522, and the upper cutter 57 is provided with a heating wire 523; the cutting cylinder 54 is arranged on the movable seat 52, and the cutting cylinder 54 drives the upper cutter 57 to move; the jacking cylinder 55 is horizontally arranged at the lower end of the moving seat 52, the driving bar 56 is connected with the telescopic end of the jacking cylinder 55, and the end part of the driving bar 56 is provided with an inclined plane; the lower cutter holder assembly 58 is installed at the bottom of the moving seat 52, the lower cutter holder assembly 58 corresponds to the upper cutter 57, a plurality of copper cores are arranged in the lower cutter holder assembly 58, and the driving assembly 59 drives the copper cores in the lower cutter holder assembly 58 to feed.

The lower tool apron component 58 comprises a material passing seat 581, a cushion knife 582 and a roller 583; the material passing base 581 is fixedly arranged, the upper end surface of the material passing base 581 is provided with a plurality of fine grooves 584, and the copper core is positioned in the fine grooves 584; the pad knife 582 is movably connected under the material passing seat 581, a spring is arranged between the pad knife 582 and the material passing seat 581, the pad knife 582 is pressed downwards by the spring, and a roller 583 is arranged at the lower end of the pad knife 582.

The driving assembly 59 comprises a driving roller 591, a driven roller 592, a stepping motor 593 and a support 594; the support 594 is arranged on the rack, the driving roller 591 is hinged to the support 594, the driven roller 592 is connected to the support 594, the driven roller 592 presses the driving roller 591 to press the copper core, a through hole 585 is formed in the material passing seat 581, and the driving roller 591 is located in the through hole 585; an output shaft of the stepping motor 593 is connected with a central shaft of the driving roller 591.

The lower end of the upper cutter 57 is provided with a plurality of arc-shaped gaps 571, the upper end of the backing cutter 582 is provided with a stepped semicircular hole 5821, a copper core is arranged in a fine hole in the stepped semicircular hole 5821, and a copper column at the end of a wire rod is placed in a coarse hole; the upper cutter 57 and the pad cutter 582 cling to the side surface of the material passing seat 581.

When the copper core inserting device 5 works, the driving assembly 59 works to feed the clamped copper cores, then the jacking cylinder 55 drives the driving bar 56 to extend out, the inclined plane at the end part of the driving bar 56 is contacted with the roller 583 to drive the backing knife 582 to move upwards, then the cutting cylinder 54 descends, and the upper cutter 57 cuts off the copper cores exposed out of the material passing seat 581 and then presses the copper cores on the backing knife 582 tightly; the heating wire heats the copper core. Then the moving cylinder 53 drives the moving seat 52 to move out laterally, the high-temperature copper core melts the tin liquid in the central circular hole of the copper column on the wire rod, and the cut copper core is detached into the central circular hole of the copper column.

The copper core inserting device 5 solves the problem of low copper core inserting efficiency, the copper core adopts a whole strip feeding mode, and the feeding efficiency of the copper core is improved by a cutting mode during assembly; through cutting a plurality of copper cores simultaneously, cut the back and press from both sides tight heating to melt the tin liquid of copper post on the wire rod, insert the copper core, the copper post passes through ladder semicircle orifice 5821 location, realizes the centering of copper post and copper core, improves assembly accuracy and efficiency.

As shown in fig. 11, the HDMI feeding device 6 includes a vertical base 60, a vibrating feeding rail 61, a sorting assembly 62, a side pushing assembly 63, a material passing rail 64, a one-way pushing block assembly 65, a material pushing cylinder 66, and a carrying mechanism 67; the vertical seat 60 is fixed on the frame, the sorting component 62 is connected with the discharge end of the vibrating material conveying rail 61, the sorting component 62 can move, the sorting component 62 is connected with the feed end of the material passing rail 64, and the side pushing component 63 corresponds to the end of the material passing rail 64; two groups of unidirectional pushing block assemblies 65 are arranged, the unidirectional pushing block assemblies 65 are movably connected to the vertical base 60 through sliding rails, the side surface of the material passing rail 64 is provided with a long groove, and the unidirectional pushing block assemblies 65 are positioned in the long groove; the material pushing cylinder 66 is arranged on the vertical seat 60, and the telescopic end of the material pushing cylinder 66 is connected with the one-way push block assembly 65; the conveying mechanism 67 is attached to the vertical base 60, and the conveying mechanism 67 is located above the material passing rail 64.

The sorting assembly 62 comprises a first side pushing cylinder 621, a material receiving seat 622 and an optical fiber sensor 623; connect material seat 622 to pass through slide rail mobile connection on founding the seat 60, connect to be provided with penetrating silo that connects on the material seat 622, optical fiber sensor 623 installs on connecing material seat 622, and optical fiber sensor 623 corresponds and connects the silo, detects whether HDMI connects to target in place.

The side pushing assembly 63 includes a second side pushing cylinder 631 and a pushing plate 632; the material pushing plate 632 is arranged at the telescopic end of the second side material pushing cylinder 631, and the material pushing plate 632 is positioned in the passing of the material passing rail 64; the material passing rail 64 is provided with a notch 641, and the notch corresponds to the material receiving seat 622.

The one-way push block assembly 65 comprises a connecting block 651, a pointed piece 652 and a return spring 653, wherein the pointed piece 652 is provided with an inclined surface, the pointed piece 652 is hinged on the connecting block 651, and two ends of the return spring 653 are respectively abutted against the connecting block 651 and the pointed piece 652.

The conveying mechanism 67 comprises a horizontal cylinder 671, a vertical cylinder 672, a clamping cylinder 673 and a clamping block 674; horizontal cylinder 671 is installed on standing seat 60, and vertical cylinder 672 is vertically installed at the flexible end of horizontal cylinder 671, presss from both sides and gets cylinder 673 and install the flexible end at vertical cylinder 672, presss from both sides and gets block 674 and install two removal ends of pressing from both sides and getting cylinder 673, the piece 674 of getting be provided with two sets ofly, press from both sides simultaneously and get two HDMI and connect.

When the HDMI feeding device 6 works, the HDMI connector is sent out from the vibrating feeding rail 61 to the receiving seat 622, and is detected by the optical fiber sensor to drive the first side pushing cylinder 621 to extend, then the second side pushing cylinder 631 drives the pushing plate 632 to move, so that the HDMI connector is pushed into the material passing rail 64, and finally the pushing cylinder 66 pushes the two one-way pushing block assemblies 65 to move, so that the HDMI connector is pushed out, and the two feeding devices are clamped by the carrying mechanism 67 to realize simultaneous feeding.

The HDMI feeding device 6 solves the problems of low feeding efficiency of HDMI joints and difficult separation caused by small structure, separates a single HDMI joint by vibration continuous feeding and moves in a fixed track, so that the stability is improved, the subsequent pushing is facilitated, the position of the single HDMI joint is limited, and the moving precision is improved; two groups of unidirectional push block assemblies 65 are arranged, two HDMI joints can be pushed, the carrying mechanism 67 can carry the two HDMI joints simultaneously, and the feeding efficiency is improved; what transport mechanism 67 was cliied simultaneously is the upper end that HDMI connects, and the lower extreme exposes and to carry out corresponding welding, and transport mechanism 67 realizes the function of location and clamp simultaneously, and machining efficiency is higher.

As shown in fig. 12, the welding device 7 includes an adjusting seat 71, a linear sliding table 72, a moving plate 73, a high-power module 74 and a welding electrode 75; the adjusting seat 71 is movably connected to the rack through a sliding rail, and the adjusting seat 71 and the rack are provided with bolts to change the position of the adjusting seat 71 on the rack; the linear sliding table 72 is mounted on the moving plate 73, the moving plate 73 is arranged at the output end of the linear sliding table 72, the high-power module 74 is mounted on the moving plate 73, the welding electrodes 75 are mounted at the top end of the high-power module 74, two groups of high-power modules 74 are arranged, and the welding device 7 corresponds to the carrier from the side; a jacking assembly 78 is arranged below the carrier, and the jacking assembly 78 comprises a jacking cylinder 781 and a jacking rod 782; jacking rod 782 installs the flexible end in jacking cylinder 781, is provided with two stands on jacking rod 782, and two stands correspond the carrier from the below.

When the welding device 7 works, the jacking assembly 78 drives the carrier to swing up the wires in the carrier, and then the linear sliding table 72 drives the moving plate 73 to slide out, so that the welding electrode 75 is close to the copper core at the end of the wire and the wiring end on the HDMI joint, and butt welding is realized.

The production method of the HDMI high-definition multimedia connector comprises the following steps of:

s1 shaping the wire: the wire rod is arranged in the carrier, and the shaping device 3 is used for rounding and shaping the copper columns at two ends of the wire rod in the carrier;

s2 end tin immersion: the tin immersion device 4 swings the carrier to immerse the copper column at the end part of the wire into the tin liquid, so as to realize tin immersion;

s3 copper core insertion: the copper core inserting device 5 sends out the copper core to realize cutting, melts tin liquid on the copper cylinder after cutting, and inserts the copper core into a circular hole in the center of the copper cylinder;

s4 HDMI joint feeding: HDMI feedway 6 connects HDMI to see off, connects two HDMI to get the feed through transport mechanism 67 after the separation:

s5 welding: the jacking component 78 jacks, the end part of the wire rod is folded upwards, the copper core is contacted with the wiring pole of the HDMI connector, and the welding device 7 performs butt welding from the side.

Claims

1. A wire end tin immersion device of an HDMI high-definition multimedia connector comprises an overturning material passing mechanism (41), a driving mechanism (42) and a tin pool assembly (43), wherein the overturning material passing mechanism (41) is arranged right below the driving mechanism (42), two groups of overturning material passing mechanisms (41) are arranged, and the two groups of overturning material passing mechanisms (41) are sequentially connected; the overturning and material passing mechanism (41) is characterized by comprising a rotary material passing frame (411), a rotating shaft (412), a rack and pinion assembly (413) and an overturning air cylinder (414); a through groove (4111) is formed in the upper end of the rotary material passing frame (411), and a carrier is arranged in the through groove (4111) to pass through; the rotating shaft (412) is fixedly arranged below the rotating material passing frame (411), and the rotating shaft (412) is hinged to the rack through a rotating seat (415); the gear rack assembly (413) comprises a gear and a rack which are meshed with each other, the gear is fixed on the rotating shaft (412), the rack is movably matched on the rack, the rack is connected with the telescopic end of the turnover cylinder (414), and the turnover cylinder (414) is fixed on the rack.

2. The HDMI high definition multimedia connector wire end wicking device of claim 1, wherein the tin bath assemblies (43) are also provided in two sets, the two sets of tin bath assemblies (43) are respectively disposed on two sides of the turnover feeding mechanism (41), and the tin bath assemblies (43) respectively correspond to the set of turnover feeding mechanism (41).

3. The HDMI high definition multimedia connector wire end wicking device of claim 1, wherein the driving mechanism (42) comprises a hanging seat (421), a traverse moving cylinder (422), a longitudinal moving cylinder (423), a longitudinal moving frame (424), a pushing block (425) and a traverse moving plate (426); the hanging seat (421) is fixed on the rack, the transverse moving cylinder (422) is arranged on the hanging seat (421), the transverse moving plate (426) is movably connected to the hanging seat (421) through a sliding rail, and the transverse moving plate (426) is connected with the telescopic end of the transverse moving cylinder (422); the longitudinal moving cylinder (423) is vertically arranged on the transverse moving plate (426), the longitudinal moving frame (424) is movably connected to the transverse moving plate (426), and the longitudinal moving frame (424) is connected with the telescopic end of the longitudinal moving cylinder (423); the push blocks (425) are arranged on the longitudinal moving frame (424) at certain intervals.

4. The HDMI high definition multimedia connector wire end wicking apparatus of claim 1, wherein the tin bath assembly (43) comprises a tin bath (432), a first lifting cylinder (433), a T-shaped plate (434), a tin liquid bucket (435), a tin scraping plate (436), a two-degree-of-freedom moving module (437), a cooling liquid bath (438), a cooling liquid bucket (439) and a second lifting cylinder (4310); the tin pool (432) is fixed on the frame, and an electric heating wire is arranged in the tin pool (432) to heat the tin liquid in the pool; the first lifting cylinder (433) is arranged on the rack, and the T-shaped plate (434) is installed at the telescopic end of the first lifting cylinder (433); the number of the tin liquid hoppers (435) is two, the tin liquid hoppers (435) are arranged on the T-shaped plate (434), and the tin liquid hoppers (435) are positioned in the tin pool (432); the tin scraping plate (436) is connected to the rack through a two-degree-of-freedom moving module (437), and the tin scraping plate (436) is positioned in the tin pool (432) and corresponds to the tin liquid bucket (435); the cooling liquid pool (438) is fixed on the rack, the second lifting cylinder (4310) is vertically installed on the rack, the cooling liquid hopper (439) is installed at the telescopic end of the second lifting cylinder (4310), and the cooling liquid hopper (439) is located in the cooling liquid pool (438).

5. The method for tin immersion of the end part of the wire of the HDMI high-definition multimedia connector is characterized in that at a turnover material passing mechanism (41), a turnover cylinder (414) drives a rack and pinion assembly (413) to move, so that a rotary material passing rack (411) is turned for ninety degrees, and copper columns at the end part of the wire are immersed in tin liquid; after the tin liquid is scraped off the surface oxide layer by a tin scraping plate (436), the tin liquid is lifted by a tin liquid hopper (435) to immerse the copper column; then a pushing block (425) on the driving mechanism (42) pushes the carrier to realize intermittent motion, and the copper column soaked with the tin liquid is soaked in the cooling liquid to realize cooling and shaping; the overturning and material passing mechanism (41) overturns towards two sides in sequence to realize the tin immersion at two ends.

6. The welding production equipment for the HDMI high-definition multimedia connector is characterized by comprising a rack (1), and a carrier conveying device (2), a shaping device (3), a tin immersion device (4) and a welding system which are arranged on the rack (1); the carrier conveying device (2) is in a linear shape, and the carrier conveying device (2) is divided into an upper layer and a lower layer; a gap is arranged in the middle of the carrier conveying device (2), and the tin immersion device (4) is arranged at the gap; the carrier conveying device (2) is provided with a shaping station, a core inserting station and a welding station, the welding system comprises a copper core inserting device (5), an HDMI feeding device (6) and a welding device (7), the shaping device (3) corresponds to the shaping station, the copper core inserting device (5) is symmetrically arranged on two sides of the core inserting station, and the welding device (7) is symmetrically arranged on two sides of the welding station; the wicking device (4) is as set forth in claim 1.

7. The HDMI high definition multimedia connector welding production equipment according to claim 6, wherein the carrier conveying device (2) is used for conveying the carrier, the shaping device (3) is used for shaping a copper column of the wire, the tin immersion device (4) is used for immersing tin liquid on the end portion of the wire, the copper core insertion device (5) is used for installing a copper core into the copper column on the wire, the HDMI feeding device (6) is used for feeding the HDMI connector, and the welding device (7) is used for connecting the HDMI connector and the wire.