CN220698484U - Circuit board welding tool - Google Patents
Circuit board welding tool Download PDFInfo
- Publication number
- CN220698484U CN220698484U CN202321828662.9U CN202321828662U CN220698484U CN 220698484 U CN220698484 U CN 220698484U CN 202321828662 U CN202321828662 U CN 202321828662U CN 220698484 U CN220698484 U CN 220698484U
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- circuit board
- positioning
- radiator
- limiting
- board welding
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- 238000003466 welding Methods 0.000 title claims abstract description 49
- 230000000670 limiting effect Effects 0.000 claims abstract description 95
- 230000007246 mechanism Effects 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- RVCKCEDKBVEEHL-UHFFFAOYSA-N 2,3,4,5,6-pentachlorobenzyl alcohol Chemical compound OCC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl RVCKCEDKBVEEHL-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Abstract
The utility model belongs to the technical field of welding tools, and particularly discloses a circuit board welding tool which is used for positioning a circuit board and a radiator, wherein the radiator comprises a transistor, the circuit board is arranged between the radiator and the transistor, and a gap is reserved between the circuit board and the radiator; the fixing mechanisms comprise limiting plates and limiting parts, the limiting plates are movably arranged in the base along the arrangement direction of the placing grooves, and the limiting parts are arranged on the limiting plates; when the limiting plate moves towards the radiator, the limiting part enters a gap between the radiator and the circuit board, and the welding efficiency of the circuit board and the radiator is improved and the welding quality of the radiator and the circuit board is improved through fixing the radiator and the circuit board.
Description
Technical Field
The utility model relates to the technical field of circuit board welding, in particular to a circuit board welding tool.
Background
According to basic requirements of PCBA processing, transistor pins need to be welded on a circuit board bonding pad after a radiator is locked and attached with a transistor. At present, the welding of the circuit board and the transistor is usually performed manually by an operator, and the circuit board is clamped on the circuit board by hands, so that the circuit board is clamped between the transistor and the radiator, but the problems of empty welding, virtual welding and displacement of the welding are caused by difficult manual positioning. For example: and 6 transistors are welded on each single board in total, 3 pins of each transistor and 18 welding points are welded together, manual welding positioning and each point are required to be about 5 seconds, 40 single boards are produced in an average way per hour, and the normal output of products is seriously affected due to the fact that a positioning device is required, manual positioning efficiency is low, consistency is poor, the bottleneck process of the whole assembly line is formed, and the requirements of customers cannot be met normally.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide a circuit board welding tool, which is used for solving the problem of low processing efficiency caused by manual positioning of a circuit board during welding of the circuit board and a radiator in the prior art.
To achieve the above and other related objects, the present utility model provides a circuit board welding fixture for positioning a circuit board and a heat sink, the heat sink including a transistor, the circuit board being disposed between the heat sink and the transistor, a gap being provided between the circuit board and the heat sink, the circuit board welding fixture comprising:
the base is provided with a plurality of placing grooves, and positioning components are arranged in the placing grooves so as to fix the radiator in the placing grooves;
the fixing mechanisms comprise limiting plates and limiting parts, the limiting plates are movably arranged in the base along the arrangement direction of the placing grooves, and the limiting parts are arranged on the limiting plates;
when the limiting plate moves towards the radiator, the limiting part enters a gap between the radiator and the circuit board.
Optionally, the limiting plate is provided with a limiting groove, the number of the limiting parts is at least one, and the limiting parts are arranged in the limiting groove along the length direction of the limiting groove.
Optionally, a sliding seat is arranged in the base, a sliding block is connected to the sliding seat in a sliding manner, and the limiting plate is arranged between the sliding blocks.
Optionally, be equipped with first constant head tank and the second constant head tank of communicating with first standing groove on the base, positioning assembly includes first setting element and second setting element, first setting element and second setting element set up respectively in first constant head tank and the second constant head tank, first setting element and second setting element all with the radiator can dismantle the connection.
Optionally, the radiator is provided with a first positioning hole and a second positioning hole, the first positioning piece and the second positioning piece are respectively provided with a first positioning pin and a second positioning pin, and the first positioning hole and the second positioning hole are spliced with the first positioning piece and the second positioning piece through the first positioning pin and the second positioning pin.
Optionally, the depth of the first positioning groove and the second positioning groove is greater than the depth of the placing groove.
Optionally, the height of the first positioning pin is smaller than the length of the first positioning hole, and the height of the second positioning pin is smaller than the length of the second positioning hole.
Optionally, the limiting plate is detachably connected with the sliding block through a fixing screw.
Optionally, the sliding seat is provided with a plurality of fastening screws along the length direction thereof, and the fastening screws are connected with the base to fix the sliding seat.
Optionally, the height of the gap is greater than the thickness of the limit portion, so that the limit portion can enter the gap.
As described above, the welding tool for the circuit board provided by the utility model has the following beneficial effects:
(1) According to the utility model, the radiator can be fixed and positioned through the placement groove and the positioning component, and meanwhile, the circuit board is placed between the radiator and the transistor to realize primary positioning, so that the time required for aligning the radiator and the circuit board during manual positioning is reduced, and the time for preparing for welding is reduced.
(2) According to the utility model, the fixing mechanism is enabled to move through the fixing mechanism, and after the limiting part enters the gap, the limiting part can firmly clamp the circuit board between the transistor and the radiator in continuous operation movement, so that the circuit board is fixed, and poor welding quality of the circuit board caused by movement of the circuit board during welding can be avoided, and the welding quality is effectively improved.
Drawings
FIG. 1 is a top view of an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a heat sink according to an embodiment of the utility model;
fig. 3 is a schematic diagram illustrating the installation of a heat sink according to an embodiment of the utility model.
Description of the reference numerals
Base 1, slide 2, slider 3, limiting plate 4, spacing groove 401, spacing portion 402, set screw 5, standing groove 6, first constant head tank 601, second constant head tank 602, first setting element 7, first locating pin 701, second setting element 8, second locating pin 801, radiator 9, transistor 10, pin 1001, circuit board 11.
Detailed Description
Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model.
It should be noted that, the illustrations provided in the present embodiment merely illustrate the basic concept of the present utility model by way of illustration, and only the components related to the present utility model are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complex. The structures, proportions, sizes, etc. shown in the drawings attached hereto are for illustration purposes only and are not intended to limit the scope of the utility model, which is defined by the claims, but rather by the claims. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.
The utility model provides a circuit board welding tool.
In an exemplary embodiment, a circuit board welding fixture is used for positioning a circuit board 11 and a heat sink 9, the heat sink 9 includes a transistor 10, the circuit board 11 is disposed between the heat sink 9 and the transistor 10, a gap is provided between the circuit board 11 and the heat sink 9, and the circuit board welding fixture includes:
the base 1, open a plurality of standing grooves 6 on the base 1, there are locating assemblies in the standing groove 6, in order to fix the radiator 9 in the standing groove 6;
the fixing mechanisms comprise limiting plates 4 and limiting parts 402, the limiting plates 4 are movably arranged in the base 1 along the arrangement direction of the placing grooves 6, and the limiting parts 402 are arranged on the limiting plates 4;
when the limiting plate 4 moves toward the heat sink 9, the limiting portion 402 enters a gap between the heat sink 9 and the circuit board 11.
In this embodiment, through standing groove 6 and the locating component that set up, can fix a position radiator 9, simultaneously, put into circuit board 11 and can realize preliminary location between radiator 9 and the transistor 10, reduce the time that aligns radiator 9 and circuit board 11 when manual location needs, and then the time of welding preparation has improved the welding efficiency of circuit board 11 and radiator 9, has promoted the production and operation benefit of enterprise.
Meanwhile, in this embodiment, through the fixed establishment who sets up, and fixed establishment can remove to after spacing portion 402 gets into the clearance, in the motion of continuously moving, spacing portion 402 can firmly block circuit board 11 between transistor 10 and radiator 9, realizes the fixed of circuit board 11, thereby can avoid circuit board 11 to have the removal to cause circuit board 11 welding quality poor when the welding, has promoted welding quality effectively.
In an exemplary embodiment, the limiting plate 4 is provided with at least one limiting groove 401, and the limiting parts 402 are disposed in the limiting groove 401 along the length direction of the limiting groove 401.
In this embodiment, the limiting groove 401 is formed on the limiting plate 4, so that the circuit board 11 can enter the limiting groove 401 in the moving process of the limiting plate 4, and synchronously, the limiting part 402 can enter the gap between the radiator 9 and the circuit board 11, so that the limiting plate 4 clamps the circuit board 11, thereby fixing the circuit board 11.
In this embodiment, the number of the limiting portions 402 is four, the distances between the limiting portions 402 are equal, and the length of the limiting portion 402 is smaller than the width of the limiting groove 401.
In this embodiment, the limiting portion 402 is integrally formed in the limiting groove 401, and the limiting portion 402 is set in an integrally formed manner, so that the strength of the limiting portion 402 is ensured, and the fixing of the circuit board 11 is realized.
It should be noted that, in the present embodiment, the shape of the limiting portion 402 is not limited, in the practical application process, since the circuit board 11 is attached by the attaching device, the electronic component is attached to the circuit board 11, so when the circuit board 11 is placed on the surface of the heat sink 9, the above-mentioned gap exists between the circuit board 11 and the heat sink 9, in the present embodiment, the circuit board 11 is fixed by the set limiting portion 402 entering the gap, in the present embodiment, the height of the gap is greater than the thickness of the front end of the limiting portion 402, so that the front end of the limiting portion 402 can enter the gap, and the circuit board 11 is fixed.
It should be further noted that when the circuit board 11 is placed on the heat sink 9, a certain distance is provided between the circuit board 11 and the pins 1001 of the transistor 10, in this embodiment, the limiting portion 402 is in a shape with a small front end thickness and a large rear end thickness, and the front end is in an arc shape, so that the limiting portion 402 stretches into the gap, after the front end of the limiting portion 402 enters the gap, the rear end enters the gap, since the rear end thickness of the limiting portion 402 is greater than the front end thereof, the circuit board 11 is lifted to a certain height, so as to incline the circuit board 11, the circuit board 11 can be attached to the pins 1001 of the transistor 10 as much as possible, and the subsequent welding of the pins 1001 of the transistor 10 and the circuit board 11 is facilitated, thereby improving the welding efficiency.
The base 1 is internally provided with a sliding seat 2, the sliding seat 2 is connected with a sliding block 3 in a sliding way, and a limiting plate 4 is arranged between the sliding blocks 3.
In this embodiment, two sliding bases 2 are symmetrically arranged in the base 1, the two sliding bases 2 are arranged on the left side and the right side of the placement groove 6, and the sliding blocks 3 are arranged on the sliding bases 2 in a sliding connection mode, and the limiting plates 4 are arranged between the sliding blocks 3, so that the sliding blocks 3 can drive the limiting plates 4 to move, and the circuit board 11 is fixed.
In the embodiment, each placement groove 6 corresponds to one limiting plate 4, so that the utility model can fix a plurality of radiators 9 and circuit boards 11 at the same time, and the radiators 9 and the circuit boards 11 do not need to be positioned and fixed when welding, so that the welding efficiency is improved, and in the embodiment, the sliding seat 2 is mounted on the base 1 by adopting fastening screws, so that the maintenance and the replacement are convenient.
In the present embodiment, the number of the placement grooves 6 and the number of the limiting plates 4 are three, and the number of the corresponding limiting plates 4 is also three, and in the exemplary embodiment, the limiting plates 4 are mounted on the sliding block 3 by using the fixing screws 5.
It should be noted that, when the limiting plate 4 is installed, the limiting plate 4 is located between two stations, after the radiator 9 is placed in the corresponding placing groove 6, the limiting plate 4 is pushed to the designated position, and fixing of the circuit board 11 is completed.
In an exemplary embodiment, the base 1 is provided with a first positioning groove 601 and a second positioning groove 602 which are communicated with the first positioning groove 6, the positioning assembly comprises a first positioning hole 7 and a second positioning piece 8, the first positioning hole 7 and the second positioning piece 8 are respectively arranged in the first positioning groove 601 and the second positioning groove 602, and the first positioning hole 7 and the second positioning piece 8 are detachably connected with the radiator 9.
In this embodiment, through the first locating hole 7 and the second setting element 8 that set up, first locating hole 7 and second setting element 8 can be dismantled with radiator 9 simultaneously and be connected and carry out further location to radiator 9 under the circumstances that standing groove 6 carries out preliminary location to radiator 9, when needs location radiator 9, put into the standing groove 6 with radiator 9, radiator 9 and first locating hole 7 and second setting element 8 produce relation of connection, fix a position radiator 9.
Illustratively, the first positioning hole 7 and the second positioning member 8 are each Z-shaped in cross-sectional shape.
It should be noted that the overall height of the first positioning hole 7 and the second positioning piece 8 should be smaller than the height of the first positioning slot 601 and the second positioning slot 602, so as to prevent the limiting plate 4 from generating motion interference with the first positioning hole 7 or the second positioning piece 8 during the moving process.
It should be noted that, in this embodiment, the depth of the first positioning groove 601 and the second positioning groove 602 is greater than the depth of the placement groove 6, so that the first positioning hole 7 and the second positioning piece 8 can be placed conveniently.
In an exemplary embodiment, the heat sink 9 is provided with a first positioning hole and a second positioning hole, and the first positioning hole 7 and the second positioning piece 8 are respectively provided with a first positioning pin 701 and a second positioning pin 801, and the first positioning hole and the second positioning hole are inserted into the first positioning hole 7 and the second positioning piece 8 through the first positioning pin 701 and the second positioning pin 801.
In this embodiment, through the first locating hole and the second locating hole that set up on radiator 9 for radiator 9 is pegged graft with first locating hole 7 and second setting element 8 respectively through first locating hole and second locating hole, carries out further location to radiator 9, avoids radiator 9 producing and rocks when fixing circuit board 11 through limiting plate 4 and influences welding quality.
It should be noted that, the height of the first positioning pin 701 is smaller than the height of the first positioning hole, and the height of the second positioning pin 801 is smaller than the height of the second positioning hole, so as to avoid the movement interference between the first positioning pin 701 or the second positioning pin 801 and the limiting portion 402.
The specific implementation steps are as follows: the first step, before the radiator 9 is put into, the limiting plate 4 is in the station A, the first locating hole 7 and the second locating piece 8 are respectively located in the first locating groove 601 and the second locating groove 602, the second step, the circuit board 11 is put into the space between the radiator 9 and the pins 1001 of the transistor 10, the radiator 9 is put into the placing groove 6, through the limiting effect of the placing groove 6, the first locating hole and the second locating hole on the radiator 9 are respectively spliced with the first locating pin 701 and the second locating pin 801 on the first locating hole 7 and the second locating piece 8, the radiator 9 is completely located in the placing groove 6 to be fixed, at this time, the limiting plate 4 is pushed to move, the circuit board 11 is fixed, the limiting plate 4 is located in the station B, the third step, the limiting plate 4 continuously moves until the limiting part 402 enters a gap between the circuit board 11 and the radiator 9, the circuit board 11 is clamped between the radiator 9 and the transistor 10, the circuit board 11 is attached to the pins 1001 of the transistor 10, the circuit board 11 is conveniently attached to the pins 1001 of the transistor 10, and the fourth step, the circuit board 11 and the pins 1001 are welded, and the fourth step, and the pins 11 are welded.
In summary, the positioning and fixing of the circuit board 11 can be realized by the circuit board welding fixture provided by the utility model, and a plurality of circuit boards 11 can be fixed at the same time, so that the welding efficiency of the circuit board 11 is improved, and meanwhile, the welding quality of the circuit board 11 is improved, and the production and operation benefits of enterprises are improved.
The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (10)
1. A circuit board welding frock for circuit board and radiator location, the radiator includes the transistor, the circuit board is arranged in between radiator and the transistor, have the clearance between circuit board and the radiator, its characterized in that, circuit board welding frock includes:
the base is provided with a plurality of placing grooves, and positioning components are arranged in the placing grooves so as to fix the radiator in the placing grooves;
the fixing mechanisms comprise limiting plates and limiting parts, the limiting plates are movably arranged in the base along the arrangement direction of the placing grooves, and the limiting parts are arranged on the limiting plates;
when the limiting plate moves towards the radiator, the limiting part enters a gap between the radiator and the circuit board.
2. The circuit board welding fixture of claim 1, wherein: the limiting plate is provided with limiting grooves, the number of the limiting parts is at least one, and the limiting parts are arranged in the limiting grooves along the length direction of the limiting grooves.
3. The circuit board welding fixture of claim 2, wherein: the base is internally provided with a sliding seat, the sliding seat is connected with a sliding block in a sliding way, and the limiting plate is arranged between the sliding blocks.
4. The circuit board welding fixture of claim 1, wherein: the base is provided with a first positioning groove and a second positioning groove which are communicated with the first positioning groove, the positioning assembly comprises a first positioning piece and a second positioning piece, the first positioning piece and the second positioning piece are respectively arranged in the first positioning groove and the second positioning groove, and the first positioning piece and the second positioning piece are detachably connected with the radiator.
5. The circuit board welding fixture of claim 4, wherein: the radiator is provided with a first positioning hole and a second positioning hole, the first positioning piece and the second positioning piece are respectively provided with a first positioning pin and a second positioning pin, and the first positioning hole and the second positioning hole are spliced with the first positioning piece and the second positioning piece through the first positioning pin and the second positioning pin.
6. The circuit board welding fixture of claim 5, wherein: the depth of the first positioning groove and the second positioning groove is larger than that of the placing groove.
7. The circuit board welding fixture of claim 5, wherein: the height of the first locating pin is smaller than the length of the first locating hole, and the height of the second locating pin is smaller than the length of the second locating hole.
8. The circuit board welding fixture of claim 3, wherein: the limiting plate is detachably connected with the sliding block through a fixing screw.
9. The circuit board welding fixture of claim 3, wherein: the sliding seat is provided with a plurality of fastening screws along the length direction of the sliding seat, and the fastening screws are connected with the base to fix the sliding seat.
10. The circuit board welding fixture of claim 1, wherein: the height of the gap is greater than the thickness of the limiting portion, so that the limiting portion can enter the gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321828662.9U CN220698484U (en) | 2023-07-12 | 2023-07-12 | Circuit board welding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321828662.9U CN220698484U (en) | 2023-07-12 | 2023-07-12 | Circuit board welding tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220698484U true CN220698484U (en) | 2024-04-02 |
Family
ID=90448469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321828662.9U Active CN220698484U (en) | 2023-07-12 | 2023-07-12 | Circuit board welding tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220698484U (en) |
-
2023
- 2023-07-12 CN CN202321828662.9U patent/CN220698484U/en active Active
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