CN210388043U - Diode welding furnace - Google Patents
Diode welding furnace Download PDFInfo
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- CN210388043U CN210388043U CN201921347196.6U CN201921347196U CN210388043U CN 210388043 U CN210388043 U CN 210388043U CN 201921347196 U CN201921347196 U CN 201921347196U CN 210388043 U CN210388043 U CN 210388043U
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Abstract
The utility model discloses a diode welding stove, include: furnace body, setting are in the furnace body the furnace with pass the conveying chain of furnace, furnace includes: heating portion, welding part and the cooling part that sets gradually, the heating portion with be provided with the wind screen furnace gate between the welding part, the welding part with be provided with radiation shield plate between the cooling part, wherein, the heating portion with resistance heating system is all adopted to the welding part, the cooling part includes natural cooling section and water cooling section, the conveying chain carries out the sectional type control by different driving motor to control diode tube core subassembly is in the dwell time of heating portion, welding part and cooling part. The utility model discloses carry out the sectional type control with the driving motor of the difference that the conveying chain in the furnace adopted to can control heating time, welding time and the cooling time of diode respectively as required, and then can hold the welding time and the welding degree of diode, guaranteed the quality of diode tube core subassembly.
Description
Technical Field
The utility model relates to a diode field of making, in particular to diode welding stove.
Background
In the production process of the diode, a diode core assembly welding procedure is carried out, namely, after the crystal grains are adhered to the lead frame through tin paste, the crystal grains are placed in a diode welding furnace for welding. On the diode automatic production line, the assembled diode tube core assembly is inserted into a diode welding mould and is slowly and continuously fed into a hearth of a diode welding furnace by an automatic production line conveying belt, the conveying speed of the conveying belt is generally not fast, the length of the diode welding furnace is often longer, the welding degree of a diode is difficult to grasp due to high temperature control difficulty, and the quality of the diode tube core assembly is easily adversely affected.
SUMMERY OF THE UTILITY MODEL
The utility model provides a diode welding stove to solve the above-mentioned technical problem who exists among the prior art.
In order to solve the technical problem, the utility model provides a diode welding stove, include: furnace body, setting are in furnace in the furnace body with pass furnace's conveying chain, furnace includes: heating portion, welding part and the cooling part that sets gradually, wherein, the heating portion with be provided with the wind screen furnace gate between the welding part, the welding part with be provided with radiation shield plate between the cooling part, wherein, the heating portion with resistance heating system is all adopted to the welding part, the cooling part includes natural cooling section and water cooling section, the conveying chain carries out the sectional type control by different driving motor to control diode tube core subassembly is in the dwell time of heating portion, welding part and cooling part.
Preferably, the resistance heating system comprises: the heating furnace comprises a heat pipe wound on the furnace and a resistance wire wound on the heat pipe, wherein the heat pipe and the resistance wire positioned on the heating part are mutually independent from the heat pipe and the resistance wire positioned on the welding part.
Preferably, a pushing mechanism is provided at an inlet of the heating unit.
Preferably, the furnace body of the natural cooling section is respectively provided with an air inlet and an air outlet, and the air outlet is provided with an exhaust fan.
Preferably, the water cooling section includes: the cooling system comprises a plurality of groups of cooling pipes wound on a hearth of the water cooling section, a cooling source communicated with inlets of the cooling pipes and a recovery bin communicated with outlets of the cooling pipes, wherein the cooling source transfers cooling liquid to the cooling pipes.
Preferably, the cooling pipe is made of a metal material and welded on the surface of the hearth.
Preferably, the hearth is made of heat conducting materials.
Compared with the prior art, the utility model discloses a diode welding stove, include: furnace body, setting are in furnace in the furnace body with pass furnace's conveying chain, furnace includes: heating portion, welding part and the cooling part that sets gradually, wherein, the heating portion with the welding part is provided with the wind screen furnace gate, the welding part with be provided with radiation shield plate between the cooling part, wherein, the heating portion with resistance heating system is all adopted to the welding part, the cooling part includes natural cooling section and water cooling section, the conveying chain carries out the sectional type control by different driving motor, is in with the control diode the dwell time of heating portion, welding part and cooling part. The utility model discloses carry out the sectional type control with the driving motor of the difference that the conveying chain in the furnace adopted to can control heating time, welding time and the cooling time of diode respectively as required, and then can fully hold the welding time and the welding degree of diode, guaranteed the quality of diode tube core subassembly. Furthermore, the utility model discloses a cooling portion adopts earlier natural cooling to go on water-cooled mode again to make diode tube core subassembly slowly cool down earlier to the uniform temperature after, carry out the water-cooling and cool down with higher speed again, so can guarantee the intensity of product, ensure that the product can not produce the fragility because of the cooling rate is too fast.
Drawings
FIG. 1 is a schematic structural view of a diode welding furnace according to the present invention;
fig. 2 is a schematic structural diagram of the resistance heating system of the present invention.
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. It should be noted that the drawings of the present invention are simplified and use non-precise ratios, and are only used for the purpose of facilitating and clearly assisting the description of the embodiments of the present invention.
As shown in fig. 1, the utility model provides a diode welding stove, include: furnace body, setting are in furnace 2 in the furnace body and pass furnace 2's conveying chain 3, furnace 2 includes: heating portion 21, welding portion 22 and the cooling portion 23 that sets gradually, wherein, heating portion 21 with be provided with between the welding portion 22 and keep out the wind furnace door 24, welding portion 22 with be provided with radiation shield 25 between the cooling portion 23, wherein, heating portion 21 with resistance heating system 4 is all adopted to welding portion 22, cooling portion 23 includes natural cooling section 231 and water-cooling section 232, conveyor chain 3 carries out the sectional type control by different driving motor to control diode tube core subassembly is in the dwell time of heating portion 21, welding portion 22 and cooling portion 23. Specifically, the utility model discloses place diode tube core subassembly earlier in heating portion 21, carry out the primary heating, after waiting to heat the uniform temperature, adopt weld part 22 to carry out further heating and heat preservation to diode tube core subassembly again, make the tin on the diode tube core subassembly turn into liquid, wait to keep warm after the fixed time, diode tube core subassembly enters into natural cooling section 231 and carries out the natural cooling, when treating tin and turning into solid-state from liquid, diode tube core subassembly enters into the water-cooling section, cool off fast, the diode tube core subassembly after the cooling is accomplished at last has the conveying chain to take out.
As shown in fig. 2, the resistance heating system 4 includes: the heating furnace comprises a heat conduction pipe 41 wound on the hearth 2 and a resistance wire 42 wound on the heat conduction pipe 41, wherein the heat conduction pipe 41 and the resistance wire 42 positioned on the heating part 21 are independent of the heat conduction pipe 41 and the resistance wire 42 positioned on the welding part 22. Typically, the heat pipe 41 is made of an insulating heat conducting material, such as a ceramic pipe, the heat pipe 41 is fixed on the surface of the furnace 2, the resistance wire 42 is wound on the heat pipe 41 and heated by the external power supply 43 to transfer heat to the heat pipe 41, and the heat pipe 41 transfers heat to the furnace 2, so as to heat the diode core assembly in the furnace 2.
It should be noted that the resistance heating system 4 further includes a temperature control assembly, which includes a temperature sensor 44 located in the furnace, a temperature controller 45 connected to the temperature sensor 43 and the external power supply 43 of the resistance wire 42, and a timer 46 connected to the temperature controller 45. Through this temperature control assembly, can carry out effectual monitoring and control to the temperature in the furnace, and then can further hold diode tube core subassembly's heat time and heating temperature.
With continued reference to fig. 1, a pusher mechanism is provided at the entrance of the heating portion 21 to feed the diode chip assembly into the furnace 2.
Preferably, the furnace body 1 of the natural cooling section 231 is provided with an air inlet and an air outlet respectively, and the air outlet is provided with an exhaust fan, so that hot air in the hearth 2 and the furnace body 1 can be exhausted, and air circulation is accelerated.
Preferably, the water cooling section 232 includes: the cooling system comprises a plurality of groups of cooling pipes 2321 wound on a hearth 2 of the water cooling section 232, a cooling source communicated with inlets of the cooling pipes 2321 and a recovery bin communicated with outlets of the cooling pipes 2321, wherein the cooling source transfers cooling liquid into the cooling pipes 2321 to cool the hearth 2, so that the diode core assembly in the hearth 2 is cooled.
Preferably, the cooling pipe 2321 is made of a metal material and is welded to the surface of the hearth 2.
Preferably, the furnace 2 is made of a heat conducting material, and the furnace 2 between the welding portion 22 and the cooling portion 23 is isolated from each other, or the furnace 2 includes two separate bodies, the two bodies are isolated from each other by the radiation shielding plate 25, and of course, the radiation shielding plate 25 is provided with a furnace door for the diode die assembly to pass through.
To sum up, the utility model discloses a diode welding stove, include: furnace body, setting are in furnace 2 in the furnace body and pass furnace 2's conveying chain 3, furnace 2 includes: heating portion 21, welding portion 22 and the cooling portion 23 that sets gradually, wherein, heating portion 21 with be provided with between the welding portion 22 and keep out the wind furnace door 24, welding portion 22 with be provided with radiation shield 25 between the cooling portion 23, wherein, heating portion 21 with resistance heating system is all adopted to welding portion 22, cooling portion 23 includes natural cooling section 231 and water-cooling section 232, conveying chain 3 carries out the sectional type control by different driving motor to control diode tube core subassembly is in the dwell time of heating portion 21, welding portion 22 and cooling portion 23. The utility model discloses carry out the sectional type control with the driving motor of the difference that 3 adopted of conveying chain in furnace 2 to can control heating time, welding time and the cooling time of diode tube core subassembly respectively as required, and then can fully hold the welding time and the welding degree of diode tube core subassembly, guaranteed the quality of diode tube core subassembly. Furthermore, the utility model discloses a cooling portion adopts earlier natural cooling to go on water-cooled mode again to make diode tube core subassembly slowly cool down earlier to the uniform temperature after, carry out the water-cooling and cool down with higher speed again, so can guarantee the intensity of product, ensure that the product can not produce the fragility because of the cooling rate is too fast.
It will be apparent to those skilled in the art that various changes and modifications may be made to the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. A diode soldering furnace comprising: furnace body, setting are in furnace in the furnace body with pass the conveying chain of furnace, its characterized in that, furnace includes: heating portion, welding part and the cooling part that sets gradually, wherein, the heating portion with be provided with the wind screen furnace gate between the welding part, the welding part with be provided with radiation shield plate between the cooling part, wherein, the heating portion with resistance heating system is all adopted to the welding part, the cooling part includes natural cooling section and water cooling section, the conveying chain carries out the sectional type control by different driving motor to control diode tube core subassembly is in the dwell time of heating portion, welding part and cooling part.
2. The diode soldering furnace of claim 1, wherein the resistive heating system comprises: the heating furnace comprises a heat pipe wound on the furnace and a resistance wire wound on the heat pipe, wherein the heat pipe and the resistance wire positioned on the heating part are mutually independent from the heat pipe and the resistance wire positioned on the welding part.
3. The diode welding furnace of claim 1, wherein a pusher mechanism is provided at an inlet of the heating portion.
4. The diode welding furnace of claim 1, wherein the furnace body of the natural cooling section is respectively provided with an air inlet and an air outlet, and the air outlet is provided with an exhaust fan.
5. The diode soldering furnace of claim 1, wherein the water cooling section comprises: the cooling system comprises a plurality of groups of cooling pipes wound on a hearth of the water cooling section, a cooling source communicated with inlets of the cooling pipes and a recovery bin communicated with outlets of the cooling pipes, wherein the cooling source transfers cooling liquid to the cooling pipes.
6. The diode welding furnace of claim 5, wherein the cooling tube is made of a metal material and is welded to the hearth surface.
7. The diode soldering furnace of claim 1, wherein the hearth is made of a thermally conductive material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921347196.6U CN210388043U (en) | 2019-08-19 | 2019-08-19 | Diode welding furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921347196.6U CN210388043U (en) | 2019-08-19 | 2019-08-19 | Diode welding furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210388043U true CN210388043U (en) | 2020-04-24 |
Family
ID=70338728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921347196.6U Active CN210388043U (en) | 2019-08-19 | 2019-08-19 | Diode welding furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210388043U (en) |
-
2019
- 2019-08-19 CN CN201921347196.6U patent/CN210388043U/en active Active
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