CN210498698U - Die for assisting external conductor insertion welding - Google Patents
Die for assisting external conductor insertion welding Download PDFInfo
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- CN210498698U CN210498698U CN201921097762.2U CN201921097762U CN210498698U CN 210498698 U CN210498698 U CN 210498698U CN 201921097762 U CN201921097762 U CN 201921097762U CN 210498698 U CN210498698 U CN 210498698U
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Abstract
The utility model relates to a supplementary external conductor inserts welded mould, including the conductor counterpoint board. The conductor aligning plate is provided with a first groove matched with a circuit board to be inserted with an external conductor, and the bottom wall of the first groove is provided with a positioning hole corresponding to the slot of the circuit board. The positioning hole is used for inserting the external conductor and positioning the external conductor. The auxiliary external conductor inserting and welding die is characterized in that the conductor aligning plate is covered on the circuit board, the external conductor penetrates through the positioning hole to be inserted into the slot of the circuit board, and then the external conductor is welded in the slot of the circuit board. Because the external conductor welds the slot in-process of circuit board, thereby the external conductor is fixed a position in the slot in the locating hole, and the position of external conductor is fixed relatively the circuit board to can guarantee the straightness that hangs down of the external conductor on the circuit board, alignment accuracy improves the product quality of circuit board.
Description
Technical Field
The utility model relates to a manufacturing technical field of circuit board especially relates to a supplementary external conductor inserts welded mould.
Background
With the continuous development of the electronic product market, circuit board products with embedded external metal conductors are produced. The traditional processing method of the circuit board embedded with the external metal conductor comprises the following steps: filling solder paste into the slots on the surface of the circuit board, and inserting the external metal conductors into the slots; then, the circuit board inserted with the external metal conductor passes through a reflow soldering wire, so that the solder paste in the slot is melted at high temperature; and then cooling the circuit board, and welding and fixing the external metal conductor on the circuit board after the solder paste is cooled. However, the perpendicularity of the external metal conductor on the circuit board is difficult to guarantee, so that the yield of the circuit board product embedded with the external metal conductor is low.
Disclosure of Invention
Based on this, it is necessary to overcome the defect in the prior art, provides a supplementary external conductor and inserts welded mould, and it can guarantee to bury the straightness that hangs down of external metallic conductor, improves the product quality of circuit board.
The technical scheme is as follows: a mould for assisting external conductor insertion welding comprises: the conductor aligning plate is provided with a first groove matched with a circuit board to be inserted with an external conductor, a positioning hole corresponding to the slot of the circuit board is formed in the bottom wall of the first groove, and the positioning hole is used for inserting the external conductor and positioning the external conductor.
The auxiliary external conductor inserting and welding die is characterized in that the conductor aligning plate is covered on the circuit board, the external conductor penetrates through the positioning hole to be inserted into the slot of the circuit board, and then the external conductor is welded in the slot of the circuit board. Because the external conductor welds the slot in-process of circuit board, thereby the external conductor is fixed a position in the slot in the locating hole, and the position of external conductor is fixed relatively the circuit board to can guarantee the straightness that hangs down of the external conductor on the circuit board, alignment accuracy improves the product quality of circuit board.
In one embodiment, the die for assisting the insertion welding of the external conductor further comprises a backing plate, a cover plate and a connecting piece, wherein the backing plate is arranged on one side, back to the conductor aligning plate, of the circuit board, the cover plate is used for abutting against the end part of the external conductor to press the external conductor into the slot, and the cover plate is connected with the backing plate through the connecting piece.
In one embodiment, the backing plate is provided with a second groove adapted to the circuit board.
In one embodiment, the groove depth of the first groove and/or the groove depth of the second groove is 1/4-1/2 of the board thickness of the circuit board.
In one embodiment, the base plate is further provided with a ventilation heat conduction groove, and the ventilation heat conduction groove is communicated with the second groove.
In one embodiment, the number of the ventilation and heat conduction grooves is more than two; more than two ventilation heat conduction grooves are respectively positioned at two sides of the second groove.
In one embodiment, the backing plate is provided with a first through hole, the conductor aligning plate is provided with a second through hole corresponding to the first through hole, the cover plate is provided with a third through hole corresponding to the first through hole, and the connecting piece penetrates through the first through hole, the second through hole and the third through hole to connect the backing plate, the conductor aligning plate and the cover plate into a whole.
In one embodiment, the number of the first through holes, the second through holes, the third through holes and the connecting pieces is more than two; the connecting piece is a pin, a screw or a bolt.
A mould for assisting external conductor insertion welding comprises: the conductor aligning plate is provided with a positioning hole corresponding to an inserting slot of a circuit board in which an external conductor is to be inserted, and the positioning hole is used for inserting the external conductor and positioning the external conductor; backing plate, apron and connecting piece, the backing plate be used for set up in the circuit board dorsad one side of conductor counterpoint board, the apron be used for with the tip conflict of external conductor makes external conductor oppress in the slot, the apron passes through the connecting piece with the backing plate links to each other.
Foretell supplementary external conductor ann inserts welded mould, place the circuit board on the backing plate, the conductor is to locating on the circuit board to the flitch lid, and the apron is contradicted with the tip of external conductor and is made external conductor oppress in the slot, and the apron passes through the connecting piece and links to each other fixedly with the backing plate, and external conductor passes the locating hole and inserts in the slot of circuit board, then makes external conductor weld in the slot of circuit board again, so guarantees that external conductor is positioned in the slot. Because external conductor welds the slot in-process in the circuit board, and external conductor is fixed in the slot, and external conductor's position is fixed for the circuit board to can guarantee the straightness that hangs down of external conductor on the circuit board, alignment accuracy, and then improve the product quality of circuit board.
In one embodiment, the backing plate is provided with a first through hole, the conductor aligning plate is provided with a second through hole corresponding to the first through hole, the cover plate is provided with a third through hole corresponding to the first through hole, and the connecting piece penetrates through the first through hole, the second through hole and the third through hole to connect the backing plate, the conductor aligning plate and the cover plate into a whole.
Drawings
Fig. 1 is a schematic structural view of a die for inserting and welding an auxiliary external conductor according to an embodiment of the present invention;
fig. 2 is a schematic structural view of the auxiliary external conductor inserting and welding mold according to an embodiment of the present invention when the conductor aligning plate is aligned with the circuit board;
fig. 3 is a schematic top view of a conductor aligning plate of a die for inserting and welding an auxiliary external conductor according to an embodiment of the present invention;
fig. 4 is a schematic top view of a backing plate of a die for inserting and welding an auxiliary external conductor according to an embodiment of the present invention;
fig. 5 is a schematic top view of a cover plate of a mold for inserting and welding an auxiliary external conductor according to an embodiment of the present invention.
Reference numerals:
10. the conductor aligning plate comprises a conductor aligning plate 11, a first groove 12, a positioning hole 13, a second through hole 20, an external conductor 30, a circuit board 31, a slot 40, a backing plate 41, a second groove 42, a ventilation heat conducting groove 43, a first through hole 50, a cover plate 51, a third through hole 60 and a connecting piece.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
In the description of the present invention, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the description of the present invention, it is to be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly connected" to another element, there are no intervening elements present.
In one embodiment, referring to fig. 1 and 2, a mold for assisting insertion welding of an external conductor includes a conductor aligning plate 10. The conductor aligning plate 10 is provided with a first groove 11 which is matched with a circuit board 30 in which the external conductor 20 is to be inserted, and the bottom wall of the first groove 11 is provided with a positioning hole 12 corresponding to a slot 31 of the circuit board 30. The positioning hole 12 is used for inserting the external conductor 20 and positioning the external conductor 20.
In the above-mentioned die for assisting the external conductor to be inserted and welded, the conductor aligning plate 10 is covered on the circuit board 30, the external conductor 20 is inserted into the slot 31 of the circuit board 30 through the positioning hole 12, and then the external conductor 20 is welded in the slot 31 of the circuit board 30. Because the external conductor 20 welds the slot 31 in-process of circuit board 30, thereby the external conductor 20 is fixed a position in the slot 31 in the locating hole 12, and the position of external conductor 20 is fixed relative to circuit board 30 to can guarantee the straightness that hangs down of external conductor 20 on the circuit board 30, the counterpoint accuracy improves the product quality of circuit board 30.
Further, referring to fig. 1 and 2, the mold for inserting and welding the auxiliary external conductor further includes a backing plate 40, a cover plate 50, and a connecting member 60. The backing plate 40 is used for being arranged on one side, back to the conductor aligning plate 10, of the circuit board 30, the cover plate 50 is used for abutting against the end part of the external conductor 20 to enable the external conductor 20 to be pressed in the slot 31, and the cover plate 50 is connected with the backing plate 40 through the connecting piece 60. Therefore, in the process that the external conductor 20 is welded in the slot 31 of the circuit board 30, the cover plate 50 pushes against the external conductor 20 to press the external conductor 20 in the slot 31, the position fixing effect of the external conductor 20 is good, and the verticality of the external conductor 20 on the circuit board 30 can be guaranteed; in addition, the external conductor 20 can be welded in the slot 31 more firmly, and the product quality of the circuit board 30 can be improved.
In one embodiment, referring to fig. 1 and 2, the pad 40 is provided with a second groove 41 adapted to the circuit board 30. Therefore, the circuit board 30 is arranged in the second groove 41, and stability is good.
Further, the groove depth of the first groove 11 or the groove depth of the second groove 41 is 1/4 to 1/2 of the board thickness of the wiring board 30. Alternatively, the groove depth of the first groove 11 and the groove depth of the second groove 41 are both 1/4 to 1/2 of the plate thickness of the wiring board 30.
In a specific embodiment, the groove depth of the first groove 11 and the groove depth of the second groove 41 are 1/3 of the plate thickness of the circuit board 30. Thus, after the external conductor 20 and the circuit board 30 are all installed in the mold for assisting the external conductor to be inserted and welded, the circuit board 30 is more stably positioned in the conductor aligning plate 10 and the backing plate 40. In addition, an interval is arranged between the backing plate 40 and the conductor aligning plate 10, on one hand, the interval is favorable for the conductor aligning plate 10 to apply pressure towards the backing plate 40 to the circuit board 30, so that the circuit board 30 is stably arranged in a die for assisting the external conductor to be inserted and welded, on the other hand, the interval is favorable for the circuit board 30 to be in contact with the circuit board 30 to enable the circuit board 30 to be quickly raised to a preset temperature so as to melt tin paste in the slot 31 in a reflow soldering process, and further the welding quality can be improved.
In addition, the conductor aligning plate 10 and the backing plate 40 may be made of aluminum plates having a thickness of 5mm to 10 mm. As an optional scheme, the aperture of the positioning hole 12 is 0.1mm to 0.5mm larger than the outer diameter of the external conductor 20, so that on one hand, the external conductor 20 is positioned well, the high alignment accuracy between the external conductor 20 and the slot 31 of the circuit board 30 can be ensured, and on the other hand, the external conductor 20 is convenient to insert.
In one embodiment, referring to fig. 4, the pad 40 is further provided with a ventilation and heat conduction groove 42, and the ventilation and heat conduction groove 42 is communicated with the second groove 41. In this way, when the circuit board 30 passes through the reflow soldering process, the heat flow passes through the ventilation heat conduction groove 42, so as to contact the circuit board 30, and the temperature of the circuit board 30 is rapidly raised to the preset temperature to melt the solder paste in the slot 31, thereby improving the soldering quality.
Further, referring to fig. 4, the number of the ventilation and heat conduction grooves 42 is two or more. The two or more ventilation heat conduction grooves 42 are respectively located at two sides of the second groove 41. Specifically, the number of the ventilation and heat conduction grooves 42 is four, two ventilation and heat conduction grooves 42 are provided at intervals on one side of the second groove 41, and two ventilation and heat conduction grooves 42 are also provided at intervals on the other side of the second groove 41.
In one embodiment, referring to fig. 1, 3 to 5, the backing plate 40 is provided with a first through hole 43, the conductor alignment plate 10 is provided with a second through hole 13 corresponding to the first through hole 43, the cover plate 50 is provided with a third through hole 51 corresponding to the first through hole 43, and the connecting member 60 passes through the first through hole 43, the second through hole 13 and the third through hole 51 to connect the backing plate 40, the conductor alignment plate 10 and the cover plate 50 into a whole. So, the connecting piece 60 can realize that backing plate 40, conductor counterpoint board 10 and apron 50 three counterpoint and connect into an organic whole, and the structural stability of supplementary external conductor ann insert welded mould is better like this, and is better to the fixed effect of circuit board 30.
Further, referring to fig. 1 and 3 to 5, the number of the first through holes 43, the second through holes 13, the third through holes 51 and the connecting members 60 is two or more. The connecting member 60 is embodied as a pin, a screw or a bolt. In addition, the aperture of the first through hole 43, the second through hole 13, and the third through hole 51 may be 3 mm; in addition, the number of the first through holes 43, the second through holes 13 and the third through holes 51 is, for example, 8, wherein four first through holes 43 are respectively located at four corners of the backing plate 40, and the other four first through holes 43 are respectively located at the middle of four sides of the backing plate 40.
In one embodiment, referring to fig. 1 and 2, a mold for assisting insertion and welding of an external conductor includes a conductor aligning plate 10, a backing plate 40, a cover plate 50 and a connecting member 60. The surface of the conductor aligning plate 10 is provided with a positioning hole 12 corresponding to the slot 31 of the circuit board 30 into which the external conductor 20 is to be inserted. The positioning hole 12 is used for inserting the external conductor 20 and positioning the external conductor 20. The backing plate 40 is used for being arranged on one side, back to the conductor aligning plate 10, of the circuit board 30, the cover plate 50 is used for abutting against the end part of the external conductor 20 to enable the external conductor 20 to be pressed in the slot 31, and the cover plate 50 is connected with the backing plate 40 through the connecting piece 60.
The above-mentioned supplementary external conductor ann inserts welded mould, place circuit board 30 on backing plate 40, conductor counterpoint board 10 lid is located on circuit board 30, the tip of apron 50 and external conductor 20 is contradicted and is made external conductor 20 oppress in slot 31, apron 50 links to each other fixedly through connecting piece 60 and backing plate 40, external conductor 20 passes through locating hole 12 and inserts in slot 31 of circuit board 30, then make external conductor 20 weld in slot 31 of circuit board 30 again, so guarantee that external conductor 20 is positioned in slot 31. Because the external conductor 20 welds in the slot 31 in-process of circuit board 30, and external conductor 20 is fixed in slot 31, and the position of external conductor 20 is fixed for circuit board 30 to can guarantee the straightness that hangs down of external conductor 20 on the circuit board 30, the counterpoint accuracy, and then improve the product quality of circuit board 30.
In one embodiment, referring to fig. 1, 3 to 5, the backing plate 40 is provided with a first through hole 43, the conductor aligning plate 10 is provided with a second through hole 13 corresponding to the first through hole 43, and the cover plate 50 is provided with a third through hole 51 corresponding to the first through hole 43. The connecting member 60 passes through the first through hole 43, the second through hole 13 and the third through hole 51 to connect the backing plate 40, the conductor aligning plate 10 and the cover plate 50 into a whole. So, the connecting piece 60 can realize that backing plate 40, conductor counterpoint board 10 and apron 50 three counterpoint and connect into an organic whole, and the structural stability of supplementary external conductor ann insert welded mould is better like this, and is better to the fixed effect of circuit board 30.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The utility model provides an auxiliary external conductor inserts welded mould which characterized in that includes:
the conductor aligning plate is provided with a first groove matched with a circuit board to be inserted with an external conductor, a positioning hole corresponding to the slot of the circuit board is formed in the bottom wall of the first groove, and the positioning hole is used for inserting the external conductor and positioning the external conductor.
2. The die for inserting and welding the auxiliary external conductor according to claim 1, further comprising a backing plate, a cover plate and a connecting piece, wherein the backing plate is arranged on one side of the circuit board, which faces away from the conductor aligning plate, the cover plate is used for abutting against the end portion of the external conductor to press the external conductor into the slot, and the cover plate is connected with the backing plate through the connecting piece.
3. The die for insert welding of the auxiliary external conductor according to claim 2, wherein the backing plate is provided with a second groove adapted to the circuit board.
4. The die for inserting and welding the auxiliary external conductor according to claim 3, wherein the groove depth of the first groove and/or the groove depth of the second groove is 1/4-1/2 of the board thickness of the circuit board.
5. The die for inserting and welding the auxiliary external conductor according to claim 3, wherein a ventilation heat-conducting groove is further formed in the backing plate, and the ventilation heat-conducting groove is communicated with the second groove.
6. The die for inserting and welding the auxiliary external conductor according to claim 5, wherein the number of the ventilation heat-conducting grooves is more than two; more than two ventilation heat conduction grooves are respectively positioned at two sides of the second groove.
7. The die for inserting and welding the auxiliary external conductor according to any one of claims 2 to 6, wherein the backing plate is provided with a first through hole, the conductor aligning plate is provided with a second through hole corresponding to the first through hole, the cover plate is provided with a third through hole corresponding to the first through hole, and the connecting member passes through the first through hole, the second through hole and the third through hole to connect the backing plate, the conductor aligning plate and the cover plate into a whole.
8. The die for inserting and welding the auxiliary external conductor according to claim 7, wherein the number of the first through hole, the second through hole, the third through hole and the connecting member is two or more; the connecting piece is a pin, a screw or a bolt.
9. The utility model provides an auxiliary external conductor inserts welded mould which characterized in that includes:
the conductor aligning plate is provided with a positioning hole corresponding to an inserting slot of a circuit board in which an external conductor is to be inserted, and the positioning hole is used for inserting the external conductor and positioning the external conductor;
backing plate, apron and connecting piece, the backing plate be used for set up in the circuit board dorsad one side of conductor counterpoint board, the apron be used for with the tip conflict of external conductor makes external conductor oppress in the slot, the apron passes through the connecting piece with the backing plate links to each other.
10. The die for inserting and welding the auxiliary external conductor according to claim 9, wherein the backing plate is provided with a first through hole, the conductor aligning plate is provided with a second through hole corresponding to the first through hole, the cover plate is provided with a third through hole corresponding to the first through hole, and the connecting member penetrates through the first through hole, the second through hole and the third through hole to integrally connect the backing plate, the conductor aligning plate and the cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921097762.2U CN210498698U (en) | 2019-07-15 | 2019-07-15 | Die for assisting external conductor insertion welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921097762.2U CN210498698U (en) | 2019-07-15 | 2019-07-15 | Die for assisting external conductor insertion welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210498698U true CN210498698U (en) | 2020-05-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921097762.2U Active CN210498698U (en) | 2019-07-15 | 2019-07-15 | Die for assisting external conductor insertion welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210498698U (en) |
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2019
- 2019-07-15 CN CN201921097762.2U patent/CN210498698U/en active Active
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