CN110773834A - LED point light source wire welding machine and welding pressing mechanism thereof - Google Patents
LED point light source wire welding machine and welding pressing mechanism thereof Download PDFInfo
- Publication number
- CN110773834A CN110773834A CN201911183319.1A CN201911183319A CN110773834A CN 110773834 A CN110773834 A CN 110773834A CN 201911183319 A CN201911183319 A CN 201911183319A CN 110773834 A CN110773834 A CN 110773834A
- Authority
- CN
- China
- Prior art keywords
- welding
- pressing
- wire
- press
- connecting rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000003825 pressing Methods 0.000 title claims abstract description 73
- 238000003466 welding Methods 0.000 title claims abstract description 73
- 229910000679 solder Inorganic materials 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 4
- 238000005476 soldering Methods 0.000 description 10
- XOMKZKJEJBZBJJ-UHFFFAOYSA-N 1,2-dichloro-3-phenylbenzene Chemical compound ClC1=CC=CC(C=2C=CC=CC=2)=C1Cl XOMKZKJEJBZBJJ-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000570 Cupronickel Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- YOCUPQPZWBBYIX-UHFFFAOYSA-N copper nickel Chemical compound [Ni].[Cu] YOCUPQPZWBBYIX-UHFFFAOYSA-N 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
- B23K3/087—Soldering or brazing jigs, fixtures or clamping means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Led Device Packages (AREA)
Abstract
The embodiment of the invention provides an LED point light source wire welding machine and a welding pressing mechanism thereof, wherein the welding pressing mechanism comprises a pressing piece and a driving piece, the pressing piece is used for pressing against the welding ends of wire cores of wires to be welded, the driving piece drives the pressing piece to move so as to correspondingly press the welding ends to a welding pad of a PCB (printed circuit board) which is correspondingly welded and connected with the welding ends, the pressing piece comprises a main body part and a pressing part, the main body part is relatively fixed with the output end of the driving piece, the pressing part extends from one end of the main body part, and a plurality of wire pressing grooves are formed in a concave mode on the end face of one end, far away from the main body part, of the pressing part and are. According to the embodiment of the invention, when the specific welding is carried out, only any one wire pressing groove on the pressing piece is aligned with the corresponding bonding pad on the PCB, so that the repeated alignment is avoided, and only the specific pressing piece needs to be replaced when wires of different specifications are treated, so that the method is very convenient, the welding efficiency is high, and the cold joint and the false welding are avoided.
Description
Technical Field
The embodiment of the invention relates to the technical field of LED point light source assembly, in particular to an LED point light source wire welding machine and a welding pressing mechanism thereof.
Background
LED point sources typically require soldering wires to a PCB wiring board to form a wire assembly. The existing welding method is to put the PCB circuit board and the wire rod into a special welding positioning jig respectively to press down and position the PCB circuit board and the wire rod, and then start a wire welding machine to weld the PCB circuit board and the wire rod. However, after the wire is pressed down and positioned, the wire core at the end of the wire is easy to tilt, so that the wire core and the PCB circuit board are in insufficient soldering or desoldering during final soldering, and the reliability is not high; moreover, the existing wire generally has a plurality of wire cores, and the welding heads of the existing wire welding machine correspond to the wire cores one by one, so that continuous welding is needed for a plurality of times when a single wire is welded during specific welding, and the welding head needs to be aligned with a welding pad on a PCB again during each welding, so that the welding efficiency is low.
Disclosure of Invention
The technical problem to be solved by the embodiment of the invention is to provide a welding pressing mechanism which can stably weld a wire core and a PCB circuit board and improve the welding efficiency.
The embodiment of the invention further aims to solve the technical problem of providing the LED light source wire bonding machine which can stably weld the wire core and the PCB circuit board and improve the welding efficiency.
In order to solve the above technical problem, an embodiment of the present invention provides the following technical solutions: the utility model provides a welding is supported and is pressed mechanism, is including the support part that is used for the butt to treat the welding end of the sinle silk of welding wire rod and drives the activity of support part is in order with the welding end correspondence compress tightly to be used for with the driving piece on the pad of the PCB circuit board that the welding end corresponds the welding and links to each other, the support part include with the main part of the output relatively fixed of driving piece and the butt portion that forms of extending from main part one end, the terminal surface recess of the one end that the main part was kept away from to the butt portion is formed with a plurality of with predetermined distance parallel arrangement in order to correspond respectively the positioning and support the line ball groove of the welding end of each.
Furthermore, the side surface of the abutting part is also provided with a feeding notch which is communicated with the wire pressing grooves in a one-to-one correspondence manner so that solder can enter the wire pressing grooves.
Furthermore, the pan feeding notch is the horn mouth form, the groove width of pan feeding notch is by leaning on the one end of indent groove to keeping away from the one end of indent groove and crescent.
Furthermore, the inner wall of the groove of the feeding notch is a smooth arc-shaped curved surface.
Furthermore, the end face of one end of the abutting part, which is far away from the main body part, is also provided with heat dissipation grooves which are arranged in parallel and alternately with the abutting grooves and penetrate through the abutting part.
Furthermore, the pressing part comprises a pressing head and a connecting rod, two ends of the connecting rod are respectively and fixedly connected to the pressing head and the driving mechanism, and the main body part and the abutting part are formed on the pressing head.
Further, through adapter sleeve fixed connection between connecting rod and the pressure head, the adapter sleeve with connecting rod threaded connection and just lean on pressure head one end tip still to be equipped with the inner ring limit, the one end lateral surface of pressure head rest connecting rod still is formed with outside convex dog, the adapter sleeve cup joint on the pressure head and with the inner ring limit with the dog that the terminal surface cooperation of connecting rod pressed from both sides tight pressure head will the pressure head is assembled to the connecting rod on.
Further, the pressing piece is made of an electrified heating material.
On the other hand, in order to solve the technical problem further described above, an embodiment of the present invention provides an LED point light source bonding wire machine, including a bonding stage for positioning a PCB circuit board and a bonding pressing mechanism for pressing a bonding end of a wire core of a wire to be bonded onto a bonding pad of the PCB circuit board, where the bonding pressing mechanism is the bonding pressing mechanism described in any one of the above.
After the technical scheme is adopted, the embodiment of the invention at least has the following beneficial effects: according to the embodiment of the invention, the end face of one end of the abutting part, which is far away from the main body part, is sunken to form the wire pressing grooves, so that the welding ends of the wire cores of the wire to be welded are correspondingly positioned and abutted at the same time, and the wire pressing grooves and the welding pads can be aligned one by one only by once alignment, so that multiple alignment operations are avoided, and the welding efficiency is effectively improved; moreover, the welding end of the wire core is accommodated in the wire pressing groove of the pressing piece and can be well positioned, so that the bad phenomena of displacement, warping and the like can not occur in the welding process, and the cold joint and the false joint are effectively avoided; in addition, aiming at the PCB with the changed positions of the wires or the bonding pads of different specifications, the groove type and the space of the line pressing groove on the pressing piece are designed according to the sizes of the wires and the corresponding space between the bonding pads on the PCB, and the corresponding pressing piece can be flexibly used when needed.
Drawings
Fig. 1 is a schematic view of a welding pressing mechanism according to an alternative embodiment of the present invention in a disassembled state.
Fig. 2 is a schematic diagram illustrating the principle of wire bonding according to an alternative embodiment of the bonding and pressing mechanism of the present invention.
Fig. 3 is a schematic perspective sectional view of an axial plane along the length direction and the width direction when the wire is welded according to an alternative embodiment of the welding pressing mechanism of the present invention.
Fig. 4 is a schematic structural diagram of an alternative embodiment of an LED point light source bonding machine according to the present invention.
Detailed Description
The present application will now be described in further detail with reference to the accompanying drawings and specific examples. It should be understood that the following illustrative embodiments and description are only intended to explain the present invention, and are not intended to limit the present invention, and features of the embodiments and examples in the present application may be combined with each other without conflict.
As shown in fig. 1-2, an alternative embodiment of the present invention provides a soldering abutting mechanism 1, which includes a abutting member 10 for abutting against a soldering terminal 30 of a core of a wire 3 to be soldered, and a driving member 12 for driving the abutting member 10 to move so as to press the soldering terminal 30 onto a pad 50 of a PCB 5 correspondingly soldered and connected to the soldering terminal 30, wherein the abutting member 10 includes a main body 101 fixed to an output end of the driving member 12, and an abutting portion 103 extending from one end of the main body 101, and a plurality of pressing grooves 1030 arranged in parallel at a predetermined distance are formed in an end surface of the abutting portion 103 away from one end of the main body 101 to respectively position and abut against the soldering terminals 30 of the cores of the wire 3 to be soldered.
In the embodiment of the invention, the pressing groove 1030 is formed by sinking the end face of the abutting part 103 of the pressing part 10 far away from the main body part 101, so as to respectively and correspondingly position and press the welding end 30 of each wire core of the wire 3 to be welded, and each pressing groove 1030 and each welding pad 50 can be aligned one by one only by once alignment, thus avoiding multiple alignment operations and effectively improving the welding efficiency; moreover, the welding end 30 of the wire core is accommodated in the wire pressing groove 1030 of the pressing piece 10 and can be well positioned, so that the bad phenomena of displacement, warping and the like can not occur in the welding process, and the cold joint and the false joint are effectively avoided; in addition, for the PCB 5 with different specifications of the wire 3 or the position of the pad 50 changed, the groove shape and the distance of the wire pressing groove 1030 on the pressing member 10 are designed according to the size of the wire 3 and the distance of the corresponding pad 50 on the PCB 5, and the corresponding pressing member 10 is flexibly used when needed.
In another optional embodiment of the present invention, the abutting portion 103 is further provided on a side surface thereof with feeding notches 1032 which communicate with the pressing groove 1030 in a one-to-one correspondence so as to allow solder to enter into the pressing groove 1030. In this embodiment, a feeding notch 1232 is further disposed on the abutting portion 103, solder (for example, a tin wire 7) can be added to the joint of the bonding end 30 of the core and the pad 50 through the feeding notch 1032, as shown in fig. 3, the solder 7 is melted by the heat generated by the abutting portion 103, and flows into the joint of the bonding end 30 of the core and the pad 50 through the feeding notch 1032, so as to ensure stable soldering and avoid cold solder joint.
In another alternative embodiment of the present invention, the material inlet slot 1032 is flared, and the width of the material inlet slot 1032 gradually increases from the end close to the pressure line slot 1030 to the end far away from the pressure line slot. In the embodiment, the feeding notches 1032 are arranged in the above manner, so that when the molten solder flows to the joint part of the wire core 30 and the bonding pad 50, the joint part is completely covered, and the welding reliability is improved.
In yet another alternative embodiment of the present invention, the interior channel walls of the feed notches 1032 are smoothly curved in an arc. This embodiment sets up pan feeding notch 123 into glossy circular arc curved surface, and processing is simpler, makes things convenient for the solder to flow, avoids the solder to be stained with too much and attaches on butt portion 103.
In a further alternative embodiment of the present invention, a heat dissipation groove 1034 arranged in parallel and spaced with the pressing groove 1030 and penetrating through the abutting portion 103 is further formed on an end surface of the abutting portion 103 away from the main body portion 101. In this embodiment, the heat sink 1034 is disposed, so that the production cost can be reduced; on the other hand, after the wire welding work is finished, the heat can be effectively dissipated, the scalding of operators is avoided, and the use safety is improved.
In another alternative embodiment of the present invention, the pressing member 10 includes a pressing head 14 and a connecting rod 16 fixedly connected to the pressing head 14 and the driving mechanism 12 at two ends, respectively, and the main body portion 101 and the abutting portion 103 are both formed on the pressing head 14. In the embodiment, the pressure head 14 is assembled to the driving mechanism 12 through the connecting rod 16, so that the structure is simpler, and the replacement and the disassembly are convenient.
In another alternative embodiment of the present invention, the connecting rod 16 and the pressure head 14 are fixedly connected through a connecting sleeve 18, the connecting sleeve 18 is in threaded connection with the connecting rod 16, an inner annular edge 181 is further provided at an end portion of the pressure head 14 close to one end of the connecting rod 16, a stopper 141 protruding outward is further formed on an outer side surface of one end of the pressure head 14 close to the connecting rod 16, the connecting sleeve 18 is sleeved on the pressure head 14, and the end surface of the inner annular edge 181 and the end surface of the connecting rod 16 are matched to clamp the stopper 141 of the pressure head 14, so that the pressure head 14 is assembled on the connecting rod. The pressure head 14 of different specifications is conveniently replaced by arranging the inner annular edge 181 and the stopper 141 to block each other for limiting and connecting the connecting sleeve 18 and the connecting rod 16 in a threaded manner. In the embodiment shown in fig. 1 and 3, an internal thread 183 is formed on the inner circumferential surface of the connecting sleeve 18, an external thread 161 is formed on the outer side of the tie rod 16, and the tie rod 16 is threadedly connected with the connecting sleeve 18 through the internal thread 183 and the external thread 161. In addition, the outer side of the connecting sleeve 18 is also provided with an operating surface 185 convenient for adjustment, so that the connecting sleeve 18 can be screwed conveniently.
In another alternative embodiment of the invention, the press element 10 is made of an electrically conductive and heatable material. The pressing member 10 of the present embodiment is made of a material that can be heated by electricity, and the wires can be effectively welded by the heat generated by the electricity of the pressing member 10. In specific implementation, the electrified heating material can be copper-nickel alloy materials commonly used for manufacturing electric soldering irons.
On the other hand, as shown in fig. 4, an embodiment of the present invention provides an LED point light source wire bonding machine, which includes a bonding stage 8 for positioning a PCB circuit board 5 and a bonding pressing mechanism 1 for pressing a bonding end 30 of a wire core of a wire 3 to be bonded onto a bonding pad 50 of the PCB circuit board 5, where the bonding pressing mechanism 1 is the bonding pressing mechanism as described in any one of the above. The LED point light source welding wire machine provided by the embodiment of the invention adopts the welding abutting mechanism 1, so that the welding end 30 of the wire core of the wire 3 to be welded can be stably welded with the PCB 5, and the welding efficiency is improved.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (9)
1. The utility model provides a welding is supported and is pressed mechanism, is including the holding part that is used for the butt to treat the welding end of the sinle silk of welding wire rod and drive the holding part activity in order with the welding end correspondence compresses tightly to be used for with the driving piece on the pad of the PCB circuit board that the welding end corresponds the welding and links to each other, its characterized in that, the holding part include with the main part of the output relatively fixed of driving piece and the butt portion that forms of extending from main part one end, the terminal surface recess of the one end that the main part was kept away from to the butt portion is formed with a plurality of with predetermined distance parallel arrangement in order to correspond respectively the positioning and support the line ball groove of the welding end of each sin.
2. A welding press mechanism as claimed in claim 1, wherein the side of said abutting portion is further provided with notches which are in one-to-one correspondence with said press grooves for solder to enter into said press grooves.
3. The welding butt-pressure mechanism of claim 2, wherein the feed notch is flared, and the width of the feed notch gradually increases from the end close to the wire-pressing groove to the end far away from the wire-pressing groove.
4. A weld press mechanism as claimed in claim 2 or claim 3 wherein the inner wall of the feed channel opening is smoothly curved.
5. The welding pressing mechanism as claimed in claim 1, wherein a heat dissipating slot is further formed on an end surface of the abutting portion away from the main body portion, the heat dissipating slot being disposed in parallel to and spaced from the pressing slot and penetrating through the abutting portion.
6. A welding press according to claim 1, characterised in that the press comprises a ram and a connecting rod fixedly connected at both ends to the ram and to the drive mechanism, respectively, the body portion and the abutment portion being formed on the ram.
7. A welding pressing mechanism as claimed in claim 6, wherein the connecting rod and the pressing head are fixedly connected through a connecting sleeve, the connecting sleeve is in threaded connection with the connecting rod, an inner ring edge is further arranged at the end portion close to one end of the pressing head, a stop block protruding outwards is further formed on the outer side face of one end of the pressing head, the connecting sleeve is sleeved on the pressing head, and the pressing head is assembled on the connecting rod by clamping the stop block of the pressing head through the cooperation of the inner ring edge and the end face of the connecting rod.
8. A weld press mechanism as claimed in claim 1, characterised in that the press member is made of an electrically energisable and heatable material.
9. An LED point light source wire bonding machine, comprising a welding table for positioning a PCB circuit board and a welding abutting mechanism for pressing a welding end of a wire core of a wire to be welded onto a welding pad of the PCB circuit board, wherein the welding abutting mechanism is the welding abutting mechanism according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911183319.1A CN110773834A (en) | 2019-11-27 | 2019-11-27 | LED point light source wire welding machine and welding pressing mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911183319.1A CN110773834A (en) | 2019-11-27 | 2019-11-27 | LED point light source wire welding machine and welding pressing mechanism thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110773834A true CN110773834A (en) | 2020-02-11 |
Family
ID=69392861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911183319.1A Pending CN110773834A (en) | 2019-11-27 | 2019-11-27 | LED point light source wire welding machine and welding pressing mechanism thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110773834A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5329085A (en) * | 1992-08-05 | 1994-07-12 | Metcal, Inc. | Temperature self regulating heaters and soldering irons |
| JP2010147255A (en) * | 2008-12-18 | 2010-07-01 | Japan Unix Co Ltd | Soldering iron for use in transfer soldering |
| CN102554390A (en) * | 2010-12-07 | 2012-07-11 | 日本优尼可思股份有限公司 | Soldering iron |
| CN202877673U (en) * | 2012-08-21 | 2013-04-17 | 深圳市易迈克实业有限公司 | Welding mechanism |
| CN103658905A (en) * | 2012-08-30 | 2014-03-26 | 深圳市易迈克实业有限公司 | Automatic welding device |
| CN206165000U (en) * | 2016-10-24 | 2017-05-10 | 歌尔科技有限公司 | Hot press welding pressure head |
| CN206764062U (en) * | 2017-05-10 | 2017-12-19 | 南京中电熊猫照明有限公司 | LED illumination module light source board mounter people |
| CN211276878U (en) * | 2019-11-27 | 2020-08-18 | 深圳爱克莱特科技股份有限公司 | LED point light source wire welding machine and welding pressing mechanism thereof |
-
2019
- 2019-11-27 CN CN201911183319.1A patent/CN110773834A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5329085A (en) * | 1992-08-05 | 1994-07-12 | Metcal, Inc. | Temperature self regulating heaters and soldering irons |
| JP2010147255A (en) * | 2008-12-18 | 2010-07-01 | Japan Unix Co Ltd | Soldering iron for use in transfer soldering |
| CN102554390A (en) * | 2010-12-07 | 2012-07-11 | 日本优尼可思股份有限公司 | Soldering iron |
| CN202877673U (en) * | 2012-08-21 | 2013-04-17 | 深圳市易迈克实业有限公司 | Welding mechanism |
| CN103658905A (en) * | 2012-08-30 | 2014-03-26 | 深圳市易迈克实业有限公司 | Automatic welding device |
| CN206165000U (en) * | 2016-10-24 | 2017-05-10 | 歌尔科技有限公司 | Hot press welding pressure head |
| CN206764062U (en) * | 2017-05-10 | 2017-12-19 | 南京中电熊猫照明有限公司 | LED illumination module light source board mounter people |
| CN211276878U (en) * | 2019-11-27 | 2020-08-18 | 深圳爱克莱特科技股份有限公司 | LED point light source wire welding machine and welding pressing mechanism thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211276878U (en) | LED point light source wire welding machine and welding pressing mechanism thereof | |
| CN108907530A (en) | A kind of double breaking points electric system Full-automatic welding equipment | |
| CN213672323U (en) | Automatic tin soldering machine | |
| CN109909598A (en) | A kind of fixture for supersonic welder | |
| US3881087A (en) | Tip unit for an electric soldering gun | |
| CN112894053A (en) | Automatic welding machine and welding method for voice coil | |
| CN104384649B (en) | The welding wire of many solder joint welding divides equally the welding method of soldering tip | |
| KR101214902B1 (en) | CO2 Welding tip having ceramics | |
| CN110773834A (en) | LED point light source wire welding machine and welding pressing mechanism thereof | |
| CN204524532U (en) | A kind of resistance and electric wire electrode for spot welding head | |
| CN214558058U (en) | Automatic welding machine of voice coil loudspeaker voice coil | |
| CN216326461U (en) | Full-automatic pvc circuit board bonding wire production line | |
| CN213104972U (en) | LED point light source wire welding device | |
| CN100346917C (en) | Method for butting wires with small diameters | |
| CN201524859U (en) | Welding head special for automatically tin soldering | |
| CN113770739A (en) | Full-automatic pvc circuit board bonding wire production line | |
| CN204366225U (en) | A kind ofly weld electric soldering bit and a kind of Welding iron using this solder horn | |
| CN220971022U (en) | Spot welding head for spot welding device and handheld spot welding device | |
| CN109119860A (en) | A kind of wire rod single-face high-frequency welding fixture | |
| CN214053985U (en) | Multipurpose welding machine | |
| CN215238409U (en) | Welding head | |
| CN214109341U (en) | Two position welding jig | |
| CN218855937U (en) | Welding mechanism for automatic wire welding machine | |
| CN214264249U (en) | Novel welding gun for cold-planting welding machine | |
| JPH05258732A (en) | Connection between lead wire of small-sized bulb and outer cord for power supply |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |