CN114951889A - Tin injection soldering device and using method - Google Patents
Tin injection soldering device and using method Download PDFInfo
- Publication number
- CN114951889A CN114951889A CN202210592124.8A CN202210592124A CN114951889A CN 114951889 A CN114951889 A CN 114951889A CN 202210592124 A CN202210592124 A CN 202210592124A CN 114951889 A CN114951889 A CN 114951889A
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- Prior art keywords
- tin
- air
- injection
- hot air
- cylinder
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- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 title claims abstract description 100
- 238000005476 soldering Methods 0.000 title claims abstract description 27
- 238000002347 injection Methods 0.000 title claims abstract description 26
- 239000007924 injection Substances 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims description 34
- 239000007788 liquid Substances 0.000 claims description 22
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 238000007664 blowing Methods 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims 1
- 238000003466 welding Methods 0.000 abstract description 20
- 239000000243 solution Substances 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000758 substrate Substances 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
- B23K3/06—Solder feeding devices; Solder melting pans
- B23K3/0607—Solder feeding devices
- B23K3/0623—Solder feeding devices for shaped solder piece feeding, e.g. preforms, bumps, balls, pellets, droplets
-
- 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
- B23K3/04—Heating appliances
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
The invention discloses a tin injection soldering device and a use method thereof, and relates to the technical field of soldering automation. The invention has the advantages of high welding efficiency, high stability and consistency of product quality and high utilization rate of the contact pin to heat.
Description
Technical Field
The invention relates to the technical field of tin soldering automation, in particular to a tin injection soldering device and a using method thereof.
Background
The pin mainly plays a role in bearing, fixing and supporting in the field of electronic assembly, so that the strength of the welding connection between the pin and a substrate becomes an important factor for evaluating the welding quality of the pin. Various methods have been used for a long time to improve the efficiency of pin soldering, but the effect is not very obvious. The existing pin soldering generally adopts a tin welding wire, the tin welding wire is manually cut into uniform small sections and is placed in a pin hole, then heating welding is carried out, the tin welding wire is not easy to intercept and is not easy to place in a tiny pin hole, the pin soldering comprises the step of cutting the tin welding wire, the efficiency is very low, the manual cutting length is different, and the stability and the consistency of the product quality are not high. The heating mechanism of the existing welding device is generally a hot air gun, the muzzle of the hot air gun blows hot air to deliver heat to the part to be welded, the hot air blows through a contact pin, the contact pin has a low utilization rate of the heat, and therefore the welding efficiency is not high.
Disclosure of Invention
1. Technical problem to be solved by the invention
The invention provides a tin injection soldering device and a using method thereof, aiming at the technical problems of low welding efficiency, low stability and consistency of product quality and low utilization rate of heat of a contact pin caused by manual cutting of a tin soldering wire during the existing contact pin welding.
2. Technical scheme
In order to solve the problems, the technical scheme provided by the invention is as follows:
the utility model provides a notes tin soldering device, includes welded platform, welded platform includes line rail portion and mounting bracket portion, line rail portion top has hot-blast rifle through line rail sliding connection, mounting bracket portion's both sides rigid coupling has the fixed bolster, sliding connection has the slider on the fixed bolster, the slip direction of slider is the perpendicular to welded platform, be equipped with rotary mechanism on the slider, rotary mechanism's rotatory axial is connected with container support, container support bearing has the tin thick liquid cylinder that contains tin thick liquid in, the below of tin thick liquid cylinder is equipped with contact pin positioning mechanism, the tin thick liquid cylinder is equipped with vertical state and rotation state, the syringe needle of the tin thick liquid cylinder of vertical state with contact pin positioning mechanism's location structure is just to the cooperation.
Optionally, the container support is provided with a round hole for passing through the cylinder body of the tin paste cylinder, the top of the tin paste cylinder is provided with an annular protrusion, and the diameter of the annular protrusion is larger than that of the round hole.
Optionally, a muzzle of the hot air gun is connected with an air nozzle, a bent air duct is arranged in the air nozzle, an air outlet of the air nozzle is vertically downward, and the air outlet is opposite to the contact pin.
Optionally, the number of the air outlets is two, and baffles are arranged in the middle of the two air outlets.
Optionally, a side baffle for collecting hot air is arranged at the air outlet.
Optionally, the height of the tin paste needle cylinder in a rotating state is equivalent to that of the air nozzle, and the tin paste needle cylinder rotates by 30-90 degrees to avoid the air nozzle and the hot air gun.
Optionally, the pin positioning mechanism is provided with a plurality of holes for fixing the pins.
Optionally, an air compression structure is arranged in the tin paste needle cylinder, the air compression structure comprises a piston, an air pipe and an air pumping and inflating device, the air pipe is connected to a space formed by the piston and the tin paste needle cylinder, and the air pipe is connected with the air pumping and inflating device.
Optionally, the linear rail, the sliding block and the rotating mechanism are all connected with a controller.
A use method of a tin injection soldering device comprises the following steps:
firstly, placing a contact pin into a hole of a contact pin positioning mechanism, then descending a tin paste needle cylinder, and injecting tin paste into a material inserting hole under the action of an air compression structure;
after the tin injection is finished, the tin paste needle cylinder rises to return to the original position and rotates 30-90 degrees through the rotating mechanism, and the rotating direction is opposite to the direction of the hot air gun, so that the interference between the tin paste needle cylinder and the air nozzle of the hot air gun is prevented;
inserting two ends of the peeled cable into corresponding contact pins, controlling the operation of the wire track by a controller, moving a hot air gun to the contact pins until an air outlet is opposite to the contact pins, blowing hot air out through an air nozzle, melting tin paste, and returning to the original position;
and fourthly, finally, after the molten tin is cooled and solidified, pulling out the cable to wait for the next operation.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
according to the technical scheme, the liftable tin injection structure and the movable hot air gun are arranged, so that the tin injection efficiency and the heating efficiency are greatly improved, the pin welding efficiency is improved, the tin injection structure can rotate to avoid the hot air gun, the tin injection structure does not need to be lifted too high, and the space is saved; furthermore, the air nozzle is arranged on the hot air gun and provided with two air outlets, so that two contact pins can be welded simultaneously, and the contact pin welding efficiency is improved; furthermore, the air outlet is provided with a side blocking piece for collecting hot air, the hot air is collected to the middle of the two air outlets, the hot air of one air outlet can pass through the two contact pins, the utilization rate of the contact pins to the hot air is greatly improved, and the contact pin welding efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of a tin injection soldering apparatus according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a hot air gun and a tuyere of a tin injection soldering apparatus according to an embodiment of the present invention.
1. Welding a platform; 2. a hot air gun; 3. a tuyere; 31. an air outlet; 32. a side baffle plate; 4. fixing a bracket; 5. a slider; 6. a rotation mechanism; 7. a container holder; 8. a tin paste needle cylinder; 9. a pin positioning mechanism; 10. turning over the connecting piece; 11. a telescopic cylinder.
Detailed Description
For a further understanding of the present invention, reference is made to the following detailed description taken in conjunction with the accompanying drawings and examples.
The present application will be described in further detail with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings. The terms first, second, and the like in the present invention are provided for convenience of describing the technical solution of the present invention, and have no specific limiting effect, but are all generic terms, and do not limit the technical solution of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly and encompass, for example, both fixed and removable coupling as well as integral coupling; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The technical solutions in the same embodiment and the technical solutions in different embodiments can be arranged and combined to form a new technical solution without contradiction or conflict, and the technical solutions are within the scope of the present invention.
Examples
Combine accompanying drawing 1-2, a notes tin soldering device, including welded platform 1, welded platform 1 includes line rail portion and leg joint portion, line rail portion top has hot-blast rifle 2 through line rail sliding connection, leg joint portion's both sides rigid coupling has fixed bolster 4, sliding connection has slider 5 on the fixed bolster 4, the slip direction of slider 5 is the perpendicular to welded platform 1, be equipped with rotary mechanism 6 on the slider 5, rotary mechanism 6's rotatory axial is connected with container support 7, container support 7 holds in the palm carries the tin thick liquid cylinder 8 that contains the tin thick liquid, the below of tin thick liquid cylinder 8 is equipped with contact pin positioning mechanism 9, tin thick liquid cylinder 8 is equipped with vertical state and rotation state, the syringe needle of the tin thick liquid cylinder 8 of vertical state with the location structure of contact pin positioning mechanism 9 is just to the cooperation.
The welding platform 1 provides structural support for the device, the linear rail part is rectangular, the linear rail is distributed along the length direction, the linear rail is connected with the hot air gun 2, and the hot air gun 2 moves along the linear rail. The bracket mounting part is a flat plate with a notch, and the notch is used for mounting the contact pin positioning mechanism 9. The fixed support 4 is distributed on two sides of the inserting needle positioning mechanism 9, as shown in fig. 1, the sliding block 5 is used for vertically driving the container support 7 and the tin paste needle cylinder 8 to move. The rotating mechanism 6 is used for driving the container bracket 7 and the tin paste needle cylinder 8 to rotate. In the tin injecting process, the tin paste needle cylinder 8 is always kept in a vertical state, and the needle head is in direct-facing fit with the contact pin on the contact pin positioning mechanism 9.
Be equipped with on the container support 7 and be used for passing through the round hole of the stack shell of tin thick liquid cylinder 8, the top of tin thick liquid cylinder 8 is equipped with cyclic annular protrusion, cyclic annular convex diameter is greater than the diameter of round hole, cyclic annular protrusion are used for placing and spacing tin thick liquid cylinder 8.
The muzzle of the hot air gun 2 is connected with the air nozzle 3, a bent air channel is arranged in the air nozzle 3, the air outlet 31 of the air nozzle 3 is vertically downward, and the air outlet 31 is opposite to the contact pin. Tuyere 3 is used for the dispersion hot-blast and change hot-blast direction, general hot-blast rifle 2 all blows off hot-blastly from the side of contact pin, this also because the top of contact pin generally is equipped with because annotate the structure of tin, can interfere structurally, utilize elevating system to make tin thick liquid cylinder 8 can the up-and-down motion ingeniously in this embodiment, tuyere 3 can vertically blow to the contact pin downwards, and the cavity opening that the contact pin held the tin thick liquid upwards, this kind of hot-blast mode of blowing can avoid the tin thick liquid to be blown off the cavity, contact pin welded quality has been guaranteed, and hot-blast direct contact to the tin thick liquid of pushing down, heating efficiency has also obtained the improvement, whole welding efficiency can improve.
The air outlets 31 are two, the baffle plates are arranged in the middle of the two air outlets 31, two contact pins can be welded simultaneously, and the contact pin welding efficiency is improved.
The air outlet 31 is provided with a side blocking piece 32 for collecting hot air, the hot air is collected to the middle of the two air outlets 31, the hot air of one air outlet 31 can pass through the two contact pins, the utilization rate of the contact pins to the hot air is greatly improved, and the contact pin welding efficiency is improved.
The height of the tin paste needle cylinder 8 in a rotating state is equal to that of the air nozzle 3, and the tin paste needle cylinder 8 rotates by 30-90 degrees to avoid the air nozzle 3 and the hot air gun 2, so that a tin injection structure does not need to be raised too high, and the space is saved.
The contact pin positioning mechanism 9 is provided with a plurality of holes for fixing contact pins, so that the contact pins can be positioned conveniently, and the contact pins can be inserted into the holes at different positions to adjust the matching positions with the tin paste needle cylinder 8.
An air compression structure is arranged in the tin paste needle cylinder 8 and comprises a piston, an air pipe and an air pumping and inflating device, the air pipe is connected with a space formed by the piston and the tin paste needle cylinder 8, and the air pipe is connected with the air pumping and inflating device.
The linear rail, the sliding block 5, the rotating mechanism 6 and the air extracting and inflating device are all connected with a controller and used for automatically controlling the moving of the hot air gun 2, the lifting of the tin paste needle cylinder 8, the rotating of the tin paste needle cylinder 8 and the tin injecting process.
A use method of a tin injection soldering device comprises the following steps:
firstly, the inserting needle is placed in a hole of an inserting needle positioning mechanism 9, then a tin paste needle cylinder 8 descends, and tin paste is injected into the inserting material hole under the action of an air compression structure.
And secondly, after the tin injection is finished, the tin paste needle cylinder 8 rises to return to the original position and rotates 30-90 degrees through the rotating mechanism 6, and the rotating direction is opposite to the direction of the hot air gun 2, so that the interference with the air nozzle 3 of the hot air gun 2 is prevented.
Inserting two ends of the peeled cable into corresponding contact pins, controlling the operation of the wire rails by the controller, moving the hot air gun 2 towards the contact pins until the air outlet 31 is opposite to the contact pins, blowing out hot air through the air nozzle 3, melting the tin paste, and returning to the original position. The flip structure can be added to the place, so that the pin positioning mechanism 9 can be turned and loaded, as shown in fig. 1, the pin positioning mechanism 9 is fixedly connected to one end of a turning connecting piece 10, the middle part of the turning connecting piece 10 is hinged to a vertical mounting plate, the other end of the turning connecting piece 10 is hinged to the output end of a telescopic cylinder 11, the pin positioning mechanism 9 can be turned over by 90 degrees through the lever movement of the turning connecting piece 10, the telescopic cylinder 11 is connected to a controller, and the process of turning and loading is also an automatic process.
And fourthly, finally, after the molten tin is cooled and solidified, pulling out the cable to wait for the next operation.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.
Claims (10)
1. The utility model provides a notes tin soldering device, a serial communication port, including welded platform, welded platform includes line rail portion and leg joint portion, line rail portion top has hot-blast rifle through line rail sliding connection, leg joint portion's both sides rigid coupling has the fixed bolster, sliding connection has the slider on the fixed bolster, the slip direction of slider is the perpendicular to welded platform, be equipped with rotary mechanism on the slider, rotary mechanism's rotatory axial is connected with container support, container support bearing has the tin thick liquid cylinder of interior tin thick liquid that contains, the below of tin thick liquid cylinder is equipped with contact pin positioning mechanism, the tin thick liquid cylinder is equipped with vertical state and rotation state, the syringe needle of the tin thick liquid cylinder of vertical state with contact pin positioning mechanism's location structure is just to the cooperation.
2. A tin injection soldering device as claimed in claim 1, wherein the container holder is provided with a circular hole for passing through the body of the tin paste syringe, the top of the tin paste syringe is provided with an annular projection, and the diameter of the annular projection is larger than that of the circular hole.
3. The tin injection soldering device as claimed in claim 1, wherein a tuyere is connected to a muzzle of the hot air gun, a bent air duct is arranged in the tuyere, an air outlet of the tuyere faces downward vertically, and the air outlet is opposite to the contact pin.
4. An injection tin soldering device as claimed in claim 3, wherein there are two air outlets, and a baffle is provided in the middle of the two air outlets.
5. An injection tin soldering device as claimed in claim 3, wherein the air outlet is provided with a side baffle for collecting hot air.
6. A tin injection soldering device as claimed in claim 3, wherein the height of the tin paste cylinder in the rotating state is equivalent to that of the air nozzle, and the tin paste cylinder rotates by 30 ° to 90 ° to avoid the air nozzle and the hot air gun.
7. An injection tin soldering apparatus as claimed in claim 1, wherein the pin positioning mechanism is provided with a plurality of holes for fixing the pins.
8. The tin injection soldering tin device as claimed in claim 1, wherein an air compression structure is arranged in the tin paste needle cylinder, the air compression structure comprises a piston, an air pipe and an air suction and inflation device, the air pipe is connected with a space formed by the piston and the tin paste needle cylinder, and the air pipe is connected with the air suction and inflation device.
9. An injection tin soldering apparatus according to any one of claims 1 to 8, wherein a controller is connected to the wire track, the slider and the rotation mechanism.
10. A method for using a tin injection soldering apparatus according to any one of claims 1 to 9, comprising the steps of:
firstly, placing a contact pin into a hole of a contact pin positioning mechanism, then descending a tin paste needle cylinder, and injecting tin paste into a material inserting hole under the action of an air compression structure;
after tin injection is finished, the tin paste needle cylinder rises to return to the original position and rotates 30-90 degrees through the rotating mechanism, and the rotating direction is the opposite direction of the hot air gun, so that interference with an air nozzle of the hot air gun is prevented;
inserting two ends of the peeled cable into corresponding contact pins, controlling the operation of the wire track by a controller, moving a hot air gun to the contact pins until an air outlet is opposite to the contact pins, blowing hot air out through an air nozzle, melting tin paste, and returning to the original position;
and fourthly, finally, after the molten tin is cooled and solidified, pulling out the cable to wait for the next operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210592124.8A CN114951889B (en) | 2022-05-27 | 2022-05-27 | Tin injection and soldering device and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210592124.8A CN114951889B (en) | 2022-05-27 | 2022-05-27 | Tin injection and soldering device and use method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114951889A true CN114951889A (en) | 2022-08-30 |
| CN114951889B CN114951889B (en) | 2024-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210592124.8A Active CN114951889B (en) | 2022-05-27 | 2022-05-27 | Tin injection and soldering device and use method |
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| Country | Link |
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| CN (1) | CN114951889B (en) |
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| US4220845A (en) * | 1978-10-02 | 1980-09-02 | Burroughs Corporation | Flat cable soldering apparatus |
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| CN112518067A (en) * | 2020-12-02 | 2021-03-19 | 苏州德睿联自动化科技有限公司 | Welding mechanism of junction box welding machine |
| CN213104970U (en) * | 2020-08-18 | 2021-05-04 | 武汉天运汽车电器有限公司 | Automatic hot air welding device |
| CN114147310A (en) * | 2021-12-21 | 2022-03-08 | 上海轩田工业设备有限公司 | Automatic tin-coating and gold-removing mechanism and automatic tin-coating and gold-removing method thereof |
| CN216462322U (en) * | 2021-08-02 | 2022-05-10 | 喀什安德光电科技有限公司 | Aluminum-to-tin interface welding equipment for cylindrical battery |
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2022
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| US4220845A (en) * | 1978-10-02 | 1980-09-02 | Burroughs Corporation | Flat cable soldering apparatus |
| JPS60111764A (en) * | 1983-11-18 | 1985-06-18 | Toyota Central Res & Dev Lab Inc | Brazing method of ferrous parts |
| DE20302979U1 (en) * | 2003-02-23 | 2003-04-24 | Fabritius Doris | Solder and hot air pistol has combustible gas source and combustion chamber positioned within carrier tube |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN114951889B (en) | 2024-01-16 |
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