CN111952814A

CN111952814A - Tin soldering method for HDMI wire connecting terminal

Info

Publication number: CN111952814A
Application number: CN202010825979.1A
Authority: CN
Inventors: 张伟权
Original assignee: Zhuhai Farreach Electronic Co ltd
Current assignee: Zhuhai Farreach Electronic Co ltd
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2020-11-17

Abstract

The invention discloses a tin soldering method of an HDMI wire connecting terminal, which comprises the following steps of taking a wire, sending an HDMI cable to a wire cutting station, and cutting off a rubber sleeve at the end part of the HDMI cable by a die cutter on the wire cutting station to expose a wire harness; cutting the HDMI cables orderly, conveying the HDMI cables to a wire cutting station, and cutting the exposed wire harnesses of the HDMI cables orderly by a cutter on the wire cutting station; arranging the wires, namely conveying the neatly cut wires to a wire arranging station, arranging the sub-wires in the wires to ensure that two adjacent sub-wires have the same gap, dripping glue on the arranged wires, cooling and fixing the wires, and conveying the wires to a peeling station; peeling, namely, sending the arranged wire harness to a peeling station, cutting the sub-wire in the wire harness by a laser cutter, and pulling out and peeling the insulating skin of the sub-wire; and soldering tin, namely transferring the peeled HDMI cable to a soldering tin station to enable each pad on the HDMI cable connecting terminal to correspond to one sub-wire in the wire bundle.

Description

Tin soldering method for HDMI wire connecting terminal

Technical Field

The invention relates to the technical field of HDMI cables, in particular to a soldering method of a HDMI cable connecting terminal.

Background

The HDMI cable is used for connecting the host computer and the display and transmitting video signals.

At present, the HDMI cable and the HDMI wire connecting terminal are mainly processed and welded manually, the process is complicated, the efficiency is low, sub wires are required to be pressed into the connector when the HDMI cable is processed manually, the workload is high, and the consumed time is too long.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a soldering method of an HDMI wire connecting terminal, which can reduce manual operation and improve working efficiency.

According to a first aspect embodiment of the present invention, a soldering method for an HDMI cable connection terminal includes the following steps:

taking a wire, namely taking an HDMI cable, sending the HDMI cable to a wire cutting station, and cutting off a rubber sleeve at the end part of the HDMI cable by using a die cutter on the wire cutting station to expose a wire harness;

cutting the HDMI cables orderly, conveying the HDMI cables to a wire cutting station, and cutting the exposed wire harnesses of the HDMI cables orderly by a cutter on the wire cutting station;

arranging the wires, namely conveying the neatly cut wires to a wire arranging station, arranging the sub-wires in the wires to ensure that two adjacent sub-wires have the same gap, dripping glue on the arranged wires, cooling and fixing the wires, and conveying the wires to a peeling station;

peeling, namely conveying the arranged wire harnesses to a peeling station, cutting the sub-wires in the wire harnesses by a laser cutter of the peeling station, and pulling out and peeling the insulating skins of the sub-wires;

soldering tin, the HDMI cable after the peeling is transferred to a soldering tin station, a soldering flux device on the soldering tin station coats soldering flux on the sub-wires after the peeling, HDMI wire connecting terminals on the soldering tin station are pushed and are in contact with the sub-wires after the peeling, each bonding pad on the HDMI wire connecting terminals corresponds to one sub-wire in the wire bundles, and a soldering machine solders the bonding pads and the corresponding sub-wires.

The soldering method of the HDMI wire connecting terminal according to the embodiment of the invention at least has the following beneficial effects: through the wire cutting station the tangent line station the winding displacement station the skinning station with the soldering tin station is processed the HDMI cable in proper order, reduces manual operation, and convenient will HDMI cable and HDMI line connecting terminal welding has improved work efficiency simultaneously.

According to some embodiments of the invention, the wire cutting station, the wire arranging station, the peeling station and the soldering station are arranged along the same straight line, so that the HDMI cable is convenient to transfer.

According to some embodiments of the invention, in the wire taking step, the hot air blower blows hot air to preheat the wire harness, so that the rubber outside the wire harness is softened, and the rubber of the HDMI cable is conveniently removed.

According to some embodiments of the invention, the HDMI cable pushing device further comprises a pushing device, and the pushing device is used for pushing the HDMI cable between the stations, so that the trouble of manual pushing is avoided, and the efficiency is improved.

According to some embodiments of the invention, the propulsion device comprises a lifting power part and a propulsion rod connected to the lifting power part in a sliding manner, the propulsion rod slides along the conveying direction of the HDMI cable, a cable clamping block is mounted on the propulsion rod, a cable clamping groove is formed in the cable clamping block and used for clamping the cable, and the HDMI cable propulsion device is simple in structure and convenient to use.

According to some embodiments of the invention, the HDMI cable further comprises a conveying belt, the middle part of the HDMI cable is placed on the conveying belt, the wire cutting station, the wire arranging station, the peeling station and the soldering station are all arranged at the left end or the right end of the conveying belt, and the conveying belt is used for reducing the influence of the self weight of the HDMI cable on the propelling process.

According to some embodiments of the invention, the connector further comprises a guide sliding rod, wherein two ends of the guide sliding rod are respectively provided with a bending part, and the bending parts are used for blocking the HDMI cable and preventing the HDMI cable from falling to the ground after soldering tin is finished so as to break the soldering contact.

According to some embodiments of the present invention, in the peeling step, three laser cutters are provided, and the three laser cutters cooperate to cut the upper end of the sub-line and the lower end of the sub-line, so as to cut the sub-line sufficiently and facilitate peeling.

According to some embodiments of the invention, the device further comprises a feeding device, the feeding device conveys the HDMI wire connecting terminal to the soldering station, the soldering station is provided with a thrust piece, and the thrust piece is used for pushing the HDMI wire connecting terminal to approach the HDMI cable.

According to some embodiments of the invention, the feeding device is a vibration feeding tray, the output end of the vibration feeding tray is connected with the soldering station, and the vibration feeding tray is simple in principle and low in cost.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a top view of various stations of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a feeding device according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a wire cutting station according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a thread cutting station according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of a skinning station in accordance with an embodiment of the present invention;

fig. 6 is a schematic diagram of the sub-line and the HDMI connection terminal welding alignment according to an embodiment of the present invention.

A wire cutting station 100, a die-cutting knife 120, a wire cutting station 200, a cutting knife 210, a wire arranging station 300 and a wire arranging station

Wire 522, peeling station 400, laser cutter 410, soldering station 500, HDMI wire connection end

Sub 520, hot air blower 110, propulsion device 600, lifting power member 610, propulsion rod 620 and cable

Clamping block 621, cable clamping groove 621a, conveying belt 700, guide sliding rod 800, feeding device 900, push rod

A force member 910.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality is two or more, and more than, less than, more than, etc. are understood as excluding the number, and more than, less than, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 to 6, a soldering method of an HDMI cable connection terminal includes the following steps:

taking a wire, namely taking an HDMI cable, sending the HDMI cable to a wire cutting station 100, and cutting off a rubber sleeve at the end part of the HDMI cable by using a die cutter 120 on the wire cutting station 100 to expose a wire harness;

cutting the HDMI cables orderly, conveying the HDMI cables to a wire cutting station 200, and cutting the exposed wire harnesses of the HDMI cables orderly by a cutter 210 on the wire cutting station 200;

arranging the wires, namely delivering the neatly cut wires to a wire arranging station 300, arranging the sub-wires 522 in the wires to ensure that two adjacent sub-wires 522 have the same gap, dripping glue on the arranged wires, cooling and fixing the wires, and delivering the wires to a peeling station 400;

peeling, namely, the arranged wire harness is sent to a peeling station 400, a laser cutter 410 of the peeling station 400 cuts a sub-line 522 in the wire harness, and then the insulating skin of the sub-line 522 is pulled out and peeled;

soldering tin, the peeled HDMI cable is transferred to the soldering station 500, the soldering flux device 510 on the soldering station 500 coats the soldering flux on the peeled sub-wire 522, the HDMI wire connecting terminal 520 on the soldering station 500 is pushed and is in contact with the peeled sub-wire 522, each bonding pad 521 on the HDMI wire connecting terminal 520 corresponds to one sub-wire 522 in the wire bundle, and the bonding pad 521 and the corresponding sub-wire 522 are welded by the soldering machine.

Through cutting out line station 100, tangent line station 200, winding displacement station 300, skinning station 400 and soldering tin station 500 processing the HDMI cable in proper order, reduce manual operation, conveniently will HDMI cable and HDMI line connecting terminal welding, improved work efficiency simultaneously. It can be understood that the wire cutting station 100, the wire cutting station 200, the wire arranging station 300, the peeling station 400 and the soldering station 500 are all arranged on the same platform, the transfer of the HDMI cable can be transferred through the propelling device 600, the trouble of manual transfer is avoided, and the soldering efficiency is improved. It should be noted that the wire arranging station 300 is provided with a wire separating plate, in the transmission process of the HDMI cable, the wire separating plate separates the sub-wire 522 in the wire bundle, and along with the transmission of the HDMI cable, the sub-wire 522 is placed in a predetermined mold on the wire arranging station 300, the glue dropper on the wire arranging station 300 drips the glue on the sub-wire in the predetermined mold to fix the sub-wire 522, and the sub-wire 522 can be removed from the predetermined mold after being fixed, it should be noted that a teflon non-stick layer is arranged at a position where the predetermined mold contacts the sub-wire 522, the predetermined mold is further connected with a first air cylinder, the first air cylinder drives the predetermined mold to remove the sub-wire 522, the glue dropper is a common device, the glue dropper is provided with a cavity for accommodating liquid glue, and a glue dripping nozzle of the glue dropper faces the sub-wire 522. It is understood that the soldering machine at the soldering station 500 has a plurality of soldering heads corresponding one-to-one to the soldering pads 521 on the HDMI wire connection terminals 520.

In some embodiments, the wire cutting station 100, the wire cutting station 200, the wire arranging station 300, the peeling station 400 and the soldering station 500 are arranged along the same straight line, so that the HDMI cable can be conveniently transferred.

In some embodiments, in the wire taking step, the hot air blower 110 blows hot air to preheat the wire harness, so that the rubber outside the wire harness is softened, and the rubber of the HDMI cable is conveniently removed. It should be noted that the hot air blown by the hot air blower 110 softens the rubber sheet to prevent the rubber sheet from brittle fracture too fast, which results in the wire harness being cut off and wastes HDMI cable material; it can be understood that when the rubber of the HDMI cable is cut, if the rubber of the HDMI cable is too hard, the higher the possibility of brittle fracture of the HDMI cable, and once the rubber of the HDMI cable is brittle fractured, the die cutter 120 is liable to cut off the wiring harness under the influence of inertia. It can be understood that the die cutter 120 is provided with a semicircular die cut having a diameter smaller than the outer diameter of the HDMI cable by 0.5 mm.

In some embodiments, the HDMI cable pushing device 600 is further included, and the HDMI cable is pushed between the stations by the pushing device 600, so that the trouble of manual pushing is avoided, and the efficiency is improved.

In some embodiments, the propulsion device 600 may be a first robot.

In some embodiments, the propulsion device 600 includes the lifting power member 610, the propulsion rod 620 slidably connected to the lifting power member 610, the propulsion rod 620 slides along the direction of conveyance of the HDMI cable, the cable fixture block 621 is installed on the propulsion rod 620, the cable fixture block 621 is provided with the cable fixture slot 621a, and the cable fixture slot 621a is used for clamping the cable, and is simple in structure and convenient to use. It is understood that the elevating power member 610 may be the second cylinder or the first hydraulic cylinder. The specific working process is that the lifting power piece 610 drives the pushing rod 620 to move downwards, then the pushing rod 620 slides along the opposite direction of the transmission of the HDMI cable by a station distance, the station distance is the distance between two adjacent stations, and the cable clamping groove 621a can be aligned to the HDMI cable; at the moment, the lifting power piece 610 drives the push rod 620 to ascend to clamp the HDMI cable, and then the push rod 620 slides along the conveying direction of the HDMI cable to convey the HDMI cable to the soldering station 500 by a station distance; it is understood that the lifting power member 610 may be a second cylinder, a first hydraulic cylinder, or an electric cylinder. It is understood that the push lever 620 is connected with a sliding power member, and the sliding power member drives the push lever 620 to slide along the transmission direction of the HDMI cable.

In some embodiments, a conveyer belt 700 is further included, the middle part of the HDMI cable is placed on the conveyer belt 700, the wire cutting station 100, the wire cutting station 200, the wire arranging station 300, the peeling station 400, and the soldering station 500 are all arranged at the left end or the right end of the conveyer belt, and the conveyer belt 700 is used for reducing the influence of the self weight of the HDMI cable on the propelling process. It should be noted that, if there is no conveyor belt 700, the middle part of the HDMI cable hangs down, and when the HDMI cable is pushed, the hanging HDMI cable interferes with the moving process of the HDMI cable, and even the hanging HDMI cable may hang up elsewhere, resulting in the stalling of the pushing process of the HDMI cable; if the middle part of the HDMI cable is supported by only using the common bracket, the HDMI cable can generate friction with the bracket in the moving process of the HDMI cable, and the moving process of the HDMI cable can be influenced; the conveyer belt 700 can be used for synchronously transferring in coordination with the moving speed of the HDMI cable, so that the end part and the middle part of the HDMI cable can be synchronously moved, and the influence of the self weight of the HDMI cable on the movement of the HDMI cable is reduced.

In some embodiments, the connector further comprises a conductive rod 800, both ends of the conductive rod 800 are provided with bent portions 810, and the bent portions 810 are used for blocking the HDMI cable and preventing the HDMI cable from falling to the ground after soldering is completed to crack the solder. It can be understood that the length of the sliding guide bar 800 is increased by the arrangement of the bending portion 810, and after the soldering of the HDMI cable is finished, the HDMI cable needs to slide through the bending portion 810 again to fall on the ground, and the sliding guide bar 800 is arranged to receive the HDMI cable and guide the HDMI cable to slide; the bending part 810 can increase the length of the guide bar 800 and reduce the space occupied by the guide bar 800.

In some embodiments, in the peeling step, three laser cutters 410 are provided, and the three laser cutters 410 cooperate with the upper end of the cutting sub-line 522 and the lower end of the sub-line 522 to cut off the sub-line 522 sufficiently, so as to facilitate peeling. It should be noted that two of the three laser cutters 410 are respectively arranged at the upper end and the line segment of the wire harness, another laser cutter 410 is arranged in the middle of the wire harness, i.e. in the space between the upper and lower rows of sub-lines, and the laser cutter 410 arranged in the middle of the wire harness can simultaneously cut the lower end of the upper row of sub-lines and the upper end of the lower row of sub-lines, it can be understood that the laser cutter 410 is a commonly used device, and the purpose is to cut two gaps through the insulation skin on the sub-lines 522, so that the insulation skin on the sub-lines 522 can be conveniently pulled out.

In some embodiments, still include material feeding unit 900, material feeding unit 900 carries HDMI line connecting terminal 520 to soldering tin station 500, and soldering tin station 500 is provided with thrust piece 910, and thrust piece 910 is used for promoting HDMI line connecting terminal 520 and is close to the HDMI cable, sets up material feeding unit 900, avoids the artifical trouble of placing HDMI line connecting terminal 520, can raise the efficiency, can also guarantee operator's safety. It is understood that the pushing member 910 may be a third cylinder or a second hydraulic cylinder, and the main shaft of the third cylinder or the second hydraulic cylinder pushes the HDMI cable connecting terminal 520 close to the HDMI cable.

In some embodiments, the feeding device 900 is a vibration feeding tray, the output end of the vibration feeding tray is connected to the soldering station 500, and the vibration feeding tray has a simple principle and low cost.

In some embodiments, the feeder device 900 may also be a second robot.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. A tin soldering method of an HDMI wire connecting terminal is characterized by comprising the following steps:

taking a wire, namely taking an HDMI cable, sending the HDMI cable to a wire cutting station (100), and cutting off a rubber sleeve at the end part of the HDMI cable by using a die cutter (120) on the wire cutting station (100) to expose a wire harness;

cutting the HDMI cables orderly, wherein the HDMI cables are conveyed to a wire cutting station (200), and a cutter (210) on the wire cutting station (200) cuts the exposed wire harnesses of the HDMI cables orderly;

arranging the wires, namely conveying the neat cut wire harnesses to a wire arranging station (300), arranging the sub-wires (522) in the wire harnesses to enable the two adjacent sub-wires (522) to have the same gap, dripping glue to the arranged wire harnesses, cooling and fixing the wire harnesses, and conveying the wire harnesses to a peeling station (400);

peeling, namely, the arranged wiring harness is sent to a peeling station (400), a laser cutter (410) of the peeling station (400) cuts the sub-line (522) in the wiring harness, and then the insulation skin of the sub-line (522) is pulled out and peeled;

soldering tin, the HDMI cable after peeling is transferred to a soldering tin station (500), a soldering flux device (510) on the soldering tin station (500) coats soldering flux on the sub-line (522) after peeling, an HDMI line connecting terminal (520) on the soldering tin station (500) is pushed and is in contact with the sub-line (522) after peeling, each welding pad (521) on the HDMI line connecting terminal (520) corresponds to one sub-line (522) in the wire bundle, and a soldering machine solders the welding pads (521) and the corresponding sub-line (522).

2. A method for soldering an HDMI cable connection terminal according to claim 1, comprising: the wire cutting station (100), the wire cutting station (200), the wire arranging station (300), the peeling station (400) and the soldering station (500) are arranged along the same straight line.

3. A method for soldering an HDMI cable connection terminal according to claim 1, comprising: in the wire taking step, the hot air machine (110) blows hot air to preheat the wire harness, so that rubber outside the wire harness is softened.

4. A method for soldering an HDMI cable connection terminal according to claim 1, comprising: the HDMI cable pushing device further comprises a pushing device (600), wherein the pushing device (600) is used for pushing the HDMI cable between the work stations.

5. A soldering method of an HDMI wire connecting terminal according to claim 4, wherein: advancing device (600) are including going up and down power part (610), sliding connection push rod (620) on going up and down power part (610), push rod (620) are followed the direction of delivery of HDMI cable slides, install cable fixture block (621) on push rod (620), be provided with cable draw-in groove (621a) on cable fixture block (621), cable draw-in groove (621a) are used for blocking the cable.

6. A method for soldering an HDMI cable connection terminal according to claim 1, comprising: still including conveyer belt (700), the middle part of HDMI cable is placed on conveyer belt (700), cut wire station (100) tangent line station (200) winding displacement station (300) fade skin station (400) with soldering tin station (500) all are the setting and are in the left end or the right-hand member of conveyer belt.

7. A method for soldering an HDMI cable connection terminal according to claim 1, comprising: still include and lead slide bar (800), the both ends of leading slide bar (800) all are provided with flexion (810), flexion (810) are used for blockking the HDMI cable.

8. A method for soldering an HDMI cable connection terminal according to claim 1, comprising: in the peeling step, three laser cutters (410) are arranged, and the three laser cutters (410) are matched to cut the upper end of the sub-line (522) and the lower end of the sub-line (522).

9. A method for soldering an HDMI cable connection terminal according to claim 1, comprising: still include material feeding unit (900), material feeding unit (900) to soldering tin station (500) carry HDMI line connecting terminal (520), soldering tin station (500) are provided with thrust piece (910), thrust piece (910) are used for promoting HDMI line connecting terminal (520) are close to the HDMI cable.

10. A method of soldering an HDMI cable connection terminal according to claim 9, comprising: the feeding device (900) is a vibration feeding plate, and the output end of the vibration feeding plate is connected with the soldering tin station (500).