CN207668751U - Diode precision welding stove cooling system - Google Patents

Diode precision welding stove cooling system Download PDF

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Publication number
CN207668751U
CN207668751U CN201721266054.8U CN201721266054U CN207668751U CN 207668751 U CN207668751 U CN 207668751U CN 201721266054 U CN201721266054 U CN 201721266054U CN 207668751 U CN207668751 U CN 207668751U
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CN
China
Prior art keywords
cooling zone
cooling
water
welding
diode
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Expired - Fee Related
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CN201721266054.8U
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Chinese (zh)
Inventor
周家桢
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Mengcheng Zhongxin Electronic Technology Co Ltd
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Mengcheng Zhongxin Electronic Technology Co Ltd
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Priority to CN201721266054.8U priority Critical patent/CN207668751U/en
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Publication of CN207668751U publication Critical patent/CN207668751U/en
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Abstract

The utility model belongs to diode production engineering device technique field, the diode precision welding stove cooling system slow more particularly, to a kind of cooling velocity, water demand is smaller, good cooling results.It includes at least one cooling zone, and the cooling zone is made of metal material, and is equipped with the waterpipe of both ends open in cooling zone along its length, and the cooling zone is fixed at welding furnace body appearance.A plurality of cooling zone is fixed on furnace body appearance by the high-precision thermal weld stove cooling system, cooled down by the way of horizontal flowing water, the independent Inlet and outlet water of each cooling zone, the utility model is equipped with a plurality of cooling zone, Gu Shui is bull disengaging, water waterfall is formed using bull parallel water stream and is close to furnace wall, and water velocity is fast, to achieve the purpose that cool down rapidly.

Description

Diode precision welding stove cooling system
Technical field
The utility model belongs to diode production engineering device technique field, the slow, water more particularly, to a kind of cooling velocity The smaller diode precision welding stove cooling system of demand, good cooling results.
Background technology
There is one of diode chip components welding process during diode production, lead, weld tabs and silicon grain are overlapped Afterwards, it is placed in welding diode stove and is welded.On diode automatic assembly line, assembled diode chip component is inserted in On welding diode mold, slowly constantly it is sent into diode die welding furnace burner hearth by automatic assembly line conveyer belt, in stove Temperature be up to 300 more spend, transmission speed be generally it is 100-200 millimeters per minute, in the soldering furnace of burner hearth both ends fire door open type Welding, in order to make the metal material on die assemblies not aoxidized at high temperature, must inject abundant nitrogen, shape in burner hearth in stove The environmental protection of pairs of product, just can guarantee the welding quality of diode chip under such environmental protection.Go out from soldering furnace What is come is the first finished product with high temperature, is badly in need of cooling.
It after welding diode is complete, needs to be quickly cooled down, the high temperature that diode temperature is spent out of soldering furnace 300 more is cold rapidly But normal temperature state is arrived.As shown in fig.1, for the schematic diagram of traditional cooling system, which is sleeved on furnace body by water jacket Appearance passes to recirculated water in water jacket, and water jacket one end is equipped with water inlet 11, and the other end is equipped with water outlet, and centre was water Layer, which is that single head goes out into single head, and water will completely overflow.As shown in fig.2, improving cooling system to be preliminary Schematic diagram, this tentatively improves cooling system in such a way that flow is looped around furnace body in appearance, water from water inlet 21 enter, It is flowed out from water outlet after furnace body, the disengaging mode of water is also that single head goes out into single head.Above two cooling system, water are all single Head disengaging, due to import and export only there are one, water velocity is very slow so that water cools down inefficiency, and is difficult to realize to cold But the control of water temperature.
Above-mentioned existing cooling system cooling velocity is slow, and water demand is bigger, and coolant water temperature is difficult to control.Due to cooling The unstable welding quality for being allowed to product of temperature it is poor, for needing the welded bands of electronic product of 0 Ohmic contact to carry out many More bad sequelae.Such as noise is big, distribution capacity changes no rule, and the service life of product is influenced, cause product Short life.
Utility model content
For this reason, it may be necessary to a kind of high-precision thermal weld stove cooling system that can control coolant water temperature is provided, the high-precision heat A plurality of cooling zone is fixed on furnace body appearance by soldering furnace cooling system, is cooled down by the way of horizontal flowing water, each cooling zone list Only Inlet and outlet water, the utility model are equipped with a plurality of cooling zone, and Gu Shui is bull disengaging, and it is tight to form water waterfall using bull parallel water stream Furnace wall is pasted, water velocity is fast, to achieve the purpose that cool down rapidly.
To achieve the above object, the utility model adopts the following technical solution:
Diode precision welding stove cooling system, it includes at least one cooling zone, and the cooling zone uses metal material Material is made, and is equipped with the waterpipe of both ends open in cooling zone along its length, and the cooling zone is fixed at welding furnace body Appearance.
The technical program further optimizes, and the cooling zone is made of metal material.
The technical program further optimizes, and the cooling zone is made of aluminum alloy materials.
The technical program further optimizes, and the shape of the cooling zone is convex.
The technical program further optimizes, and two ports of the waterpipe of the cooling zone connect water pipe respectively.
The technical program further optimizes, and the water pipe is equipped with valve.
The technical program further optimizes, and the connection type of the cooling zone and welding furnace body is welding or screw thread Connection, the two are in close contact.
Compared with the existing technology, the utility model has the advantages that:
1. the utility model uses horizontal stream, the mode of bull disengaging that it is tight to form water waterfall using bull parallel water stream Furnace body is pasted, bull disengaging accelerates flow rate of water flow, and cooling rate is fast.
2. a plurality of cooling zone is fixed on furnace body outer wall by the utility model, between cooling zone independently of each other, if one cold But band damage, does not influence the practicality of other cooling zones.
3. the coolant water temperature temperature of the utility model is not affected by the external environment, cooling regardless of external environment changes Constant water temperature;
4. using the utility model, welding quality significantly improves, and total yield of diode improves 12%-15%, from mistake 85% gone improves 95% till now.
Description of the drawings
Fig. 1 is the schematic diagram of traditional cooling system described in background technology;
Fig. 2 is the schematic diagram that cooling system is tentatively improved described in background technology;
Fig. 3 is the schematic diagram of high-precision thermal weld stove cooling system described in specific implementation mode;
Fig. 4 is the front view of high-precision thermal weld stove cooling system described in specific implementation mode;
Fig. 5 is the side view of high-precision thermal weld stove cooling system described in specific implementation mode;
Fig. 6 is the sectional view of high-precision thermal weld stove cooling zone described in specific implementation mode.
Specific implementation mode
For the technology contents of technical solution, construction feature, the objects and the effects are described in detail, below in conjunction with specific reality It applies example and attached drawing is coordinated to be explained in detail.
Please refer to Fig. 3 to Fig. 6, the diode precision welding stove cooling system of the utility model preferably embodiment, it Including at least one cooling zone 3, the cooling zone 3 is made of metal material, and is opened along its length equipped with both ends in cooling zone 3 The waterpipe of mouth, the cooling zone 3 are fixed at welding furnace body appearance.
The embodiment is equipped with cooling zone 3 in welding furnace body appearance surrounding, which sets in welding furnace body side There are 3 cooling zones, the embodiment to be equipped with 20 cooling zones 3 in welding furnace body upper surface.Two ports of all cooling zones 3 It is water inlet 31 and water outlet respectively, water inlet 31 and water outlet connect water pipe respectively, and valve is equipped on water pipe, and valve is used In control water flow.
In order to realize fast cooling, the cold water band 3 of the embodiment fixes the outer wall installation for being close to welding furnace body.The reality It applies example and states cooling zone 3 with the connection type for welding furnace body to be threadedly coupled, weld and be equipped in furnace body and cooling zone relatively The threaded hole answered is linked together the two using screw thread.It should be noted that the connection side of cooling zone 3 and welding furnace body Formula can also be welding.Cooling zone 3 is convenient for changing using threaded connection relative to welding.Cooling zone 3 is used for a long time, internal Waterpipe has incrustation scale, influences flow rate of water flow, then needs replacing cooling zone 3.The mode of welding is not easy to replace cold water band 3.
In addition, the cooling zone 3 of the embodiment is made of aluminum alloy materials, aluminum alloy materials have the following advantages that:1, close Spend small, the density of aluminium and aluminium alloy is close to 2.7g/, about the 1/3 of iron or copper.2, intensity is high, by a degree of cold working Matrix strength can be strengthened, part aluminium alloy can also carry out intensive treatment by heat treatment.3, electrical and thermal conductivity is good, the conduction of aluminium Heat conductivility is only second to silver, copper and gold.4, corrosion resistance is good, the Al2O3 protections of surface one layer of compact and firm of easy natural production of aluminium Film can be well protected matrix and not corroded.5, after easy processing adds certain alloying element, it can get good casting character Cast aluminium alloy gold or the good wrought aluminium alloy of working plasticity.3 main purpose of cooling zone of the embodiment is to realize cooling Therefore function is made cooling zone 3 using other good heat conductivities, heat safe material and also may be used.
For the ease of installation, the shape of the cooling zone 3 of the embodiment is similar convex, as shown in fig.6, being the implementation The sectional view of example cooling zone.Skilled person will appreciate that the shape of cooling zone 3 can also be semicircle, trapezoidal, rectangle or just The variously-shaped or even irregular shape such as rectangular, as long as waterpipe can be arranged inside cooling zone 3, waterpipe is for flowing The shape of water, waterpipe is also unlimited.
Experimental method:
1. dismantling furnace body, the thickness of burner hearth is 3mm, long 6.4m, width 40cm, high 15cm;
2. a cooling zone fixation is tightly attached to soldering furnace furnace body outer wall, the material of the cooling zone is aluminium alloy;
3. connecting water pipe in each inlet and outlet, valve is loaded onto, water flowing leak detection is errorless to be installed, and a total of 16 A water pipe, i.e. 16 cooling zones.
Blow-on heats water flowing and produces condition as a trial:
550 degree of furnace temperature highest, minimum 387 degree, welding section temperature is 400 degree, and constant temperature section length is 1200mm, and material advances Speed is 250mm/min, and experimental products are silicon axial direction rectification efficient diode.
Experimental result:
1. coolant water temperature drops to 22 degree from 38 degree, reach ideal effect;
2. coolant water temperature temperature is not influenced by ambient temperature, water temperature is also maintained at 22 degree when environment temperature is 36 degree, It is constant;
3. discharge reduction declines 20t till now from the cooling tower dosage of original 40t, energy consumption has dropped 40%;
4. since the temperature in furnace body is stablized, to make the welding quality of product significantly improve;
It is being tested under identical material as a result, the utility model and legacy system production product comparison sheet
5. due to significantly improving for welding quality so that total yield of diode improves 12%-15%, past electronic product Yield reach 95% difficult to realize, easily realize now, 95% be increased to from original 85%.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that process, method, article or terminal device including a series of elements include not only those Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or end The intrinsic element of end equipment.In the absence of more restrictions, being limited by sentence " including ... " or " including ... " Element, it is not excluded that there is also other elements in process, method, article or the terminal device including the element.This Outside, herein, " being more than ", " being less than ", " being more than " etc. are interpreted as not including this number;" more than ", " following ", " within " etc. understandings It includes this number to be.
Although the various embodiments described above are described, once a person skilled in the art knows basic wounds The property made concept, then additional changes and modifications can be made to these embodiments, so the foregoing is merely the realities of the utility model Example is applied, the scope of patent protection of the utility model is not intended to limit, it is every to utilize the utility model specification and accompanying drawing content Made by equivalent structure or equivalent flow shift, be applied directly or indirectly in other relevant technical fields, and include similarly Within the scope of patent protection of the utility model.

Claims (5)

1. diode precision welding stove cooling system, it is characterised in that:It includes at least one cooling zone, in the cooling zone It is equipped with the waterpipe of both ends open along its length, the cooling zone is fixed at welding furnace body appearance;The cooling zone It is made of metal material, the shape of the cooling zone is convex.
2. diode precision welding stove cooling system as described in claim 1, it is characterised in that:The cooling zone uses aluminium Alloy material is made.
3. diode precision welding stove cooling system as described in claim 1, it is characterised in that:The water pipe of the cooling zone Two ports in road connect water pipe respectively.
4. diode precision welding stove cooling system as claimed in claim 3, it is characterised in that:The water pipe is equipped with valve Door.
5. diode precision welding stove cooling system as described in claim 1, it is characterised in that:The cooling zone and welding The connection type of furnace body is welding or is threadedly coupled.
CN201721266054.8U 2017-09-29 2017-09-29 Diode precision welding stove cooling system Expired - Fee Related CN207668751U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721266054.8U CN207668751U (en) 2017-09-29 2017-09-29 Diode precision welding stove cooling system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721266054.8U CN207668751U (en) 2017-09-29 2017-09-29 Diode precision welding stove cooling system

Publications (1)

Publication Number Publication Date
CN207668751U true CN207668751U (en) 2018-07-31

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721266054.8U Expired - Fee Related CN207668751U (en) 2017-09-29 2017-09-29 Diode precision welding stove cooling system

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107685206A (en) * 2017-09-29 2018-02-13 蒙城县众鑫电子科技有限公司 Diode precision welding stove cooling system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107685206A (en) * 2017-09-29 2018-02-13 蒙城县众鑫电子科技有限公司 Diode precision welding stove cooling system

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180731

Termination date: 20190929