CN205927409U - Whole hot welding that adds connects equipment - Google Patents

Abstract

The utility model relates to a whole hot welding that adds connects equipment, the last board that equipment includes lower board and places down the board top in, lengthwise form recess has been seted up at board top middle part down, install the transmission system who is used for transmitting the work piece in the recess, the transmission system top is equipped with weld zone and cooling space along work piece transmission direction in proper order, be equipped with heating system in the weld zone for it connects with hot welding to implement the diversified whole that heats with completed workpiece to the work piece, the cooling space intussuseption is filled with the cooling gas who is provided by cooling system for connect the work piece of completion to cool off to adding hot welding. The utility model discloses a welding equipment has solved the traditional welding process when welding shortage of heat and the uneven problem of being heated, guarantee metallic structure spare solder joint the continuity, melt permeability and mechanical strength, and then promote metallic structure spare the electrical connection conduction can and structural connection reliable performance to promote base station antenna's electric index.

Description

Overall heating welding equipment

【Technical field】

This utility model is related to welding technology field, the three-dimensional gold more particularly, in communications industry antenna for base station manufacture field Belong to the Sn-coupled SSBR field of structural member, specifically disclose a kind of overall heating welding equipment.

【Background technology】

Antenna for base station be mobile communications network cover critical component, its core component mostly pass through hardware and its His assembly carries out Sn-coupled SSBR and connects connection composition, good electrical connection conduction property in hardware and structure connection reliability Can be to the guarantee realizing mobile communication signal, so melting permeability and power for the solder joint seriality of hardware, solder joint Learning intensity has rigors.

Traditional Sn-coupled SSBR connects technique and is generated heat by flatiron, carries out contact conduction heat to by solder joint, and auxiliary solder stick enters simultaneously A kind of contact bonding method of row fill solder, is a kind of local heating welding method with conduction of heat as ultimate principle.Using The welding manner of this electric cautery, on one side, the very fast heat-conduction effect of hardware itself can make the heat of flatiron contact Amount is difficult to concentrate, and welding heat is not enough, easily produces rosin joint, dry joint, furthermore the local area heat exchange pattern of flatiron is because of solder joint The increase of distance itself makes heat energy successively decrease, big solder joint be heated uneven in the case of, also easily causing some locations cannot be with gold Belong to structural member coating effectively to be merged, lead to reliable welding quality to decline；On the other hand, this kind of stereochemical structure part belongs to Special-shaped structural part, it is in multi-facetedization that its scrambling causes different product solder joint, and that is, various dimensions solder joint exists in a large number simultaneously, adopts Manual flatiron welding, need to repeatedly put and position, will realize the welding of its full-automation, substantially impossible, welded using artificial Connect mode it is impossible to ensure the concordance of weld interval and tin feeding amount, quality conformance is poor, operating type inefficiency, and industry is adopted With three-dimensional machinery hand-motion flatiron carry out positioning welding, its principle is again without change.

Sum it up, current solder technology cannot solve the hardware heat absorption impact bringing and the solder joint producing Integrity problem.

【Utility model content】

Primary and foremost purpose of the present utility model is to provide a kind of entirety that can improve welding efficiency and ensure welding quality Heating welding equipment.

For realizing this purpose, this utility model adopts the following technical scheme that：

A kind of overall heating welding equipment, including lower board and the upper board being placed in above described lower board, described lower machine Platform top middle portion offers lengthwise shape groove, is provided with the drive system for transmitting workpiece, described power train in described groove It is sequentially provided with weld zone and cooling zone along workpiece transmission direction above system；It is provided with heating system, for work in described weld zone The entirety that part implements multi-faceted heating to complete workpiece heats welding；Be filled with described cooling zone by cooling system provide cold But air-flow, the workpiece for completing to heating welding cools down.

Preferably, described weld zone includes the multiple heating regions along the distribution of workpiece transmission direction, and each described thermal treatment zone The temperature in domain assumes differentiation.

Further, the multiple spot vertical temperature difference in each heating region is between -5 DEG C～5 DEG C, multiple spot transverse temperature difference - Between 1 DEG C～1 DEG C.

Specifically, it is provided with the heating module of heating system in each heating region, described heating module is included located at each Multiple heating boards in orientation, described heating board is embedded with heat generating core, and described heating system is in first-class of thermal-radiating direction Away from or unequal-interval multiple pod apertures for heat conduction are distributed with.

Specifically, described welding equipment also includes the air circulating system being connected with heating system, described air circulating system bag Include the first wind wheel above described heating module and the first motor driving described first wind wheel.

Further, described pod apertures are configured to have air flow collection tropism, and air-flow produced by air circulating system Produce whirlpool between Kong Yukong and form microcirculation.

Specifically, described cooling system include the second motor, by the second motor-driven second wind wheel, be filled with cooling water Cooling water pipe, described second wind wheel rotate produced by air-flow is formed after cooling water pipe cooling air-flow for cooling zone offer Described cooling gas.

Preferably, the transfer rate of described drive system is adjustable in 0～2m/min.

Further, described welding equipment also includes electric-control system, described electric-control system and drive system, heating system, Cooling system is electrically connected with.

Specifically, described electric-control system includes control unit and the man machine operation interface electrically connecting with control unit.

Further, described welding equipment also includes the smog recovery system in described upper board, and described smog returns Receipts system includes filtering module and the centrifugal blower for forming negative pressure in weld zone overhead.

Preferably, the seam that described upper board is connected with lower board is sealed by encapsulant to prevent the outside loss of heat.

Compared with prior art, this utility model possesses following advantage：

(1) overall heating welding equipment of the present utility model, by implementing multi-faceted heat radiation in weld zone to workpiece, makes Solder fully melt, moistening, in cooling zone, the heating workpiece that completes of welding is carried out air-cooled so that solder joint can rapid hardening soon Gu, speed of welding can be accelerated, ensure welding quality.Using contactless overall heating welding scheme it is ensured that hardware The uniformity of welding temperature and temperature uniformity, using temperature programmed control, the characteristic meeting Sn-coupled SSBR material required it is ensured that the mobility of solder And solder joint forms intensity.

(2) overall heating welding equipment of the present utility model adopts contactless overall heating welding method, using parameter Control operation, make weld interval obtain very accurately management and control, welding quality is guaranteed, it is to avoid traditional handicraft adopts flatiron Plumb joint loose contact during welding, or the temperature disappearance brought of position skew and the problems such as send stannum to be forbidden.

(3) this utility model welding equipment space super large ultra-wide, using the full-size of antenna for base station hardware as Design requirement, between the welding of all hardwares of compatible antenna for base station is held, excellent compatibility.

(4) welding equipment of the present utility model adopts super-intensive least unit heat radiation technique it is ensured that the stability of temperature Welding the temperature difference that space is brought greatly with reducing, and adopt multi-section partition temperature control, realizing the smooth demand of welding parameter it is ensured that welding Connect reliability, make welding more convenient, efficiently.

(5) welding equipment of the present utility model, it is possible to achieve a tractor serves several purposes, floor space is little, stable performance, operation letter Singly, operator, improve production efficiency, the purpose of reduction production cost are greatly decreased.Meanwhile, have parameter automatically controlled, produce The feature that quality stability is high, batch concordance is good.

Obviously, the above-mentioned description about this utility model advantage is recapitulative, after more advantage descriptions will be embodied in During continuous embodiment discloses, and, those skilled in the art the content disclosed in this utility model can also reasonably find this Other plurality of advantages of utility model.

The aspect that this utility model adds and advantage will be set forth in part in the description, and these will be from explained below In become obvious, or recognized by practice of the present utility model.

【Brief description】

Fig. 1 is that the entirety of this utility model one embodiment heats welding equipment perspective view；

Fig. 2 is the structural representation with air circulating system mutually assembling for the heating system of this utility model one embodiment.

Fig. 3 is the schematic flow sheet of the overall heating welding method of this utility model one embodiment.

【Specific embodiment】

With exemplary embodiment, this utility model is further described below in conjunction with the accompanying drawings, wherein identical in accompanying drawing Label all refers to identical part.Additionally, if it is known that the detailed description of technology is for illustrating feature of the present utility model It is unnecessary, then omitted.

As depicted in figs. 1 and 2, the utility model discloses a kind of overall heating welding equipment, it is applicable to multidimensional The entirety heating Sn-coupled SSBR spending the hardware of many solder joints connects, and it includes lower board 1, is placed in the upper board of lower board 1 top 2, the top middle portion of described lower board 1 has opened up lengthwise shape groove 3, is provided with the transmission for transmitting workpiece in described groove 3 System 4, is sequentially provided with weld zone and cooling zone along workpiece transmission direction above drive system 4, workpiece quilt in described weld zone The heating of heating system 5 multi-faceted heat radiation is so that the solder at each solder joint is fully endothermic melting, diffusion, and then in cooling zone Interior quickly cooled down by cooling system 6, solidify and form reliable solder joint.

Wherein, described workpiece includes hardware, welded part, the pre-assembled structures of solder composition and is used for positioning, limits Position pre-assembled structures turnover clamp, described hardware is such as antenna radiation unit, described welded part be coaxial cable, Handware etc., described solder is such as scolding tin.

Described groove 3 on described lower board 1 has higher depth, is such as more than 250mm, is less than with meeting height Needed for the entirety heating space of the hardware of 250mm.

Multiple heating regions are distributed with along workpiece transmission direction in described weld zone, in each heating region, are provided with heating system The heating module of system 5, described heating module includes being distributed in the heating module in multiple orientation in heating region, each heating module Including multiple heating boards 11, described heating board 11 is embedded with least one heat generating core, and described at least one heat generating core is uniformly distributed On described heating board 11.Preferably, described heating board 11 is made using the good material of heat absorption efficiency, has heat build-up effect.

(i.e. non-connect by being arranged on the heating module in multiple orientation in heating region workpiece being carried out with omnibearing heat radiation Touch heat), make preset scolding tin on solder joint reach welding fusing point temperature required so that scolding tin is carried out at solder joint accordingly Moistening, diffusion, and then form corresponding solder joint between hardware and welded part, and by quickly cooling down accordingly, shape Become the higher solder joint of reliability, welding quality is improved.Due to using multi-faceted heat radiation technique, each heating region Interior temperature stability is high, reduces the impact of the temperature difference problem that big welding space is caused.

Further, each heating board 11 can individually control so that multiple heating region and/or each heating region are different The temperature in orientation can realize welding ginseng with differentiation control it is achieved that the overall temperature section zonal control heating welding equipment Number seamlessly transit demand, (solder melt point at differing heights can be adapted to the workpiece of different melting points or three-dimensional multiple spot solder joint Identical or different) entirety heating welding, be conducive to improve welding efficiency and ensure welding concordance, be conducive to batch metaplasia Produce.

Preferably, the multiple spot vertical temperature difference in each heating region can control between -5 DEG C～5 DEG C, and multiple spot is horizontal Between -1 DEG C～1 DEG C, temperature control precision reaches ± 1 DEG C to the temperature difference.

Further, also include being connected with described heating system 5 to strengthen the wind of thermal radiation effect above weld zone Blood circulation 7.Described air circulating system 7 includes the first motor 14 and the first wind wheel 13 being driven by the first motor 14.Described plus Hot systems 5 offer multiple pod apertures 12 for heat conduction, and described pod apertures 12 are opened in be followed for encapsulation heating module and wind On the housing 10 of loop systems 7, and the plurality of pod apertures 12 towards heating region equal or unequal be distributed.

When heating module and air circulating system 7 energising work, heating board produces heat, and the first motor 14 drives the first wind Wheel 13 rotates and produces the air-flow blowing to heating board, and air-flow drives the heat that heating board produces to blow to heating weldering through each pod apertures 12 Connect in area, workpiece heat is made melt solder carry out moistening, diffusion, realize heating welding.

Further, described pod apertures 12 are configured with air flow collection tropism, and described first wind wheel 13 rotates institute The air-flow producing produces whirlpool, thus forming micro- one by one following in described weld zone between pod apertures 12 and pod apertures 12 Ring is it is ensured that the uniformity of solder joint periphery welding temperature and temperature uniformity.

Preferably, it is filled with, in described cooling zone, the cooling gas being provided by cooling system 6, welded for cooling heating The workpiece becoming is so that solder joint is solidified by fast cooling.Described cooling system 6 includes the second motor, by second motor-driven Two wind wheels and the cooling water pipe being filled with cooling water, it is cooling after cooling water pipe that described second wind wheel rotates the air-flow producing Area provides cooling gas.

In cooling system 6, second Motor drive the second wind wheel rotates and produces air-flow, and air-flow is through being filled with the cold of cooling water But water pipe forms cold airflow, blows on the workpiece that heating welding completes, the workpiece that heating welding is completed quickly cools down, and makes solder joint The solder at place is accelerated to condense to fix the connection of hardware and welded part, forms the high solder joint of reliability.

In this utility model, cooling is implemented to workpiece by cold wind, can preferably control the cooling speed of solder joint after welding Rate, meets the cooled and solidified demand of hardware.

Preferably, described cooling water pipe is circulation copper pipe, and extend cooling water flows through path, and then ensures cooling gas Cryogenic effect.

Preferably, described drive system 4 passes through the network chain circulation transmission of the driving shaft drive of its motor and motor connection. Demand is welded according to different hardwares, the transfer rate of described drive system is adjustable in 0～2m/min, so that work Part is sufficiently heated in weld zone.

Further, also include electric-control system 9, described drive system 4, heating system 5 and cooling system 6 all with described electricity Control system 9 electrically connects.

Described electric-control system 9 includes control unit and the man machine operation interface 15 electrically connecting with control unit, described man-machine , above upper board 2, described control unit is predeterminable, store multiple processing technique programs, can also realize for operation interface 15 Off-line programing, operator are input to writing the processing technique program completing in electric-control system 9, then in man machine operation interface Arranged accordingly on 15, started, controlled the flow process of whole processing technique.Such as to the transfer rate of drive system, welding The temperature of each heating region in area, temperature of cooling zone etc. are controlled so that whole welding sequence is smoothly completed.By program Control, on the one hand can realize supermatic production, be advantageously implemented mass production；On the other hand can be to whole Welding sequence implements high-precision control it is ensured that the welding concordance of product, improves welding quality.

Further, also include carrying out, for the smog that welding process is produced, the smog recovery system 8 that reclaims, process.

Described smog recovery system 8 includes filtering module and the centrifugal blower for forming negative pressure in weld zone overhead, institute State centrifugal blower to electrically connect with described electric-control system 9.Described filtering module is mainly made up of drainage screen, is welding for intercepting The larger particles producing in journey, make granule be attached on drainage screen, regularly clear up for equipment user.Described centrifugal blower Form the zone of negaive pressure with certain suction, smog negative pressure welding process being produced by draught head above heated weld zone Siphon away, subsequently to carry out exhaust-gas treatment, therefore not to repeat here for waste gas treatment process.

Preferably, described upper board 2, lower board 1 adopt planer type structure to combine, and upper board 2 passes through hydraulic package It is connected with lower board 1 with the function of the opening and closing realizing being connected with lower board 1.In addition go up what board 2 was connected with lower board 1 Seam is sealed by resistant to elevated temperatures encapsulant, to prevent the outside loss of heat.Wherein, encapsulant is according to needed for weld job Temperature is chosen, and the processing temperature of the Sn-coupled SSBR of such as the present embodiment, between 140 DEG C～230 DEG C, can select fluorubber As encapsulant.

It is provided with frame 16, so that lower board 1 is arranged apart from ground certain distance below described lower board 1.

Correspondingly, this utility model also provides a kind of overall heating welding method, comprises the steps：

Step S100：It is preset in the workpiece in described drive system to weld zone transmission, described workpiece includes being tied by metal The pre- assembling structure that component, welded part and the solder being preset at solder joint collectively constitute.

In the present embodiment, described workpiece also includes for positioning or spacing turnover clamp, first by hardware Take out and carry out the preparation of correlative with welded part from material cycling case, then assemble the hardware of preparation and welded Part.In a kind of embodiment, first hardware is positioned by turnover clamp or spacing, then entered luggage with welded part Join, to obtain welding required Workpiece structure.In another embodiment, first hardware is assembled with welded part, Then positioned by turnover clamp or spacing, equally can obtain welding required Workpiece structure.

Then carry out solder assembly manipulation, the Workpiece structure that above-mentioned assembling is completed is connected with welded part in hardware The solder joint at place adds required solder, is controlled according to the differentiation that different solder joints carry out solder to the difference of solder demand, then It is placed in the transmission of above-mentioned welding equipment by completing the preset Workpiece structure of solder together with being used for spacing and/or positioning turnover clamp In system 4, then transmit described workpiece to weld zone and carry out heating welding operation.

Step S200：Using workpiece described in the described heating system Omnidirectional heating of weld zone with by hardware and quilt Weldment welds.

When workpiece transmits to weld zone through drive system 4, in weld zone, heating system 5 is according to the journey in electric-control system 9 Sequence sets, and described workpiece is carried out with overall noncontact heating, and producing air-flow using the first wind wheel 13 in air circulating system 7 will The heat that in heating module, heat generating core produces blows to pod apertures 12 on heating board 11, and the collection through pod apertures 12 is made to, water conservancy diversion With radiating heat on workpiece, by the heating module of different azimuth, workpiece is carried out with comprehensive 360 degree of heating, makes welding Temperature is more uniform, constant, when different workpieces have the solder joint of different melting points, implements temperature to weld zone different heating region Differentiation controls, and makes preset solder at solder joint on workpiece reach the temperature needed for welding fusing point, and carries out corresponding at solder joint Moistening, diffusion, and then make hardware and welded part effectively connection.

In the present embodiment, smog produced by welding process is carried out unifying to reclaim, is discharged, institute by smog recovery system 8 The larger particles producing are carried out intercepting, are filtered by the drainage screen of smog recovery system, so that granule is attached on drainage screen, for setting Standby user periodic cleaning, centrifugal blower forms the zone of negaive pressure with certain suction above heated weld zone, by air pressure The smog negative pressure that welding process is produced by difference siphons away, subsequently to carry out exhaust-gas treatment, therefore not to repeat here for waste gas treatment process.

Step S300：The workpiece that welding is completed delivers to cooling in cooling system by described drive system, makes described weldering Solder in point condenses to fix the connection of hardware and welded part.

After completing heating welding, workpiece transmits to cooling zone through drive system 4, and in cooling system 6, the second motor drives Dynamic second wind wheel rotates and produces air-flow, and air-flow forms cold airflow through the cooling water pipe being filled with cooling water, blows to heating welding On the workpiece completing, the workpiece that heating welding is completed quickly cools down, and makes the solder at solder joint accelerate to condense to fix metal knot Component and the connection of welded part, form the high solder joint of reliability.

Finally, workpiece is taken out from turnover clamp, and turnover clamp is back in material cycling case, complete a work Industry circulates.

This utility model is split by Sn-coupled SSBR connects the tin coating procedure in technique and heat welding step, and in heating weldering When connecing, workpiece is carried out overall non-contact thermal so that solder is fully melted, moistening, fundamentally solve conventional bonding technique weldering When connecing, the problem of shortage of heat and inequality of being heated is it is ensured that the seriality of hardware solder joint, melt permeability and mechanical strength, and then The electrical connection conduction property of lifting hardware and structure connection reliability energy, thus lift the electric finger of antenna for base station Mark.

In welding process, when workpiece have multiple, and multiple workpiece have different melting points solder joint when, to weld zone not Implement temperature difference alienation with heating region to control, to adapt to the heating welding of multiple workpiece of the solder joint of different melting points.

When workpiece has the solder joint of multiple different melting points in the vertical, difference is implemented in the vertical to heating region temperature Change and control.

When workpiece needs different heating welding durations, the speed of drive system is adjusted, to ensure that workpiece obtains Heat to abundant, solder is fully melted the quality it is ensured that welding.

Above control process is realized according to default programme-control in it by electric-control system, have high degree of automation, Weld interval and temperature obtain very accurately management and control, and then so that welding quality is ensured.

Sum it up, adopting overall heating welding method of the present utility model, welding efficiency is than manual flatiron improved efficiency Nearly three times, yields reaches 99.99%.Simultaneously as high degree of automation, operator can be greatly decreased, improve and produce Efficiency, reduces production cost.

Although having been illustrated with some exemplary embodiments of the present utility model above, those skilled in the art will Understand, in the case of without departing from principle of the present utility model or spirit, can be on this basis to these exemplary embodiments Make a change, scope of the present utility model is limited by claim and its equivalent.

Claims (12)

1. a kind of overall heating welding equipment, including lower board and the upper board being placed in above described lower board, described lower board Top middle portion offers lengthwise shape groove, is provided with the drive system for transmitting workpiece, described drive system in described groove Top is sequentially provided with weld zone and cooling zone it is characterised in that being provided with heating system in described weld zone along workpiece transmission direction, For workpiece is implemented with multi-faceted heat radiation heating, welding is heated with the entirety completing workpiece；It is filled with by cold in described cooling zone But the cooling gas that system provides, the workpiece for completing to heating welding cools down.

2. overall heating welding equipment according to claim 1 is it is characterised in that described weld zone includes transmitting along workpiece Multiple heating regions of directional spreding, and the temperature of each described heating region assumes differentiation.

3. overall heating welding equipment according to claim 2 is it is characterised in that the multiple spot in each heating region is longitudinal , between -5 DEG C～5 DEG C, multiple spot transverse temperature difference is between -1 DEG C～1 DEG C for the temperature difference.

4. the entirety heating welding equipment according to Claims 2 or 3 adds it is characterised in that being provided with each heating region The heating module of hot systems, described heating module includes the multiple heating boards located at each orientation, and described heating board is embedded with to be sent out Hot core, and described heating system is equal or unequal on thermal-radiating direction that multiple water conservancy diversion for heat conduction are distributed with Hole.

5. overall heating welding equipment according to claim 4 is it is characterised in that also include the wind being connected with heating system Blood circulation, described air circulating system includes the first wind wheel above described heating module and drives described first wind wheel First motor.

6. overall heating welding equipment according to claim 5 is it is characterised in that described pod apertures are configured to have gas Adfluxion tropism, and produced by described air circulating system, air-flow produces whirlpool between Kong Yukong and forms microcirculation.

7. overall heating welding equipment according to claim 1 is it is characterised in that described cooling system includes the second electricity Machine, by the second motor-driven second wind wheel, the cooling water pipe that is filled with cooling water, air-flow warp produced by described second wind wheel Described cooling gas are provided for cooling zone after supercooling water pipe.

8. overall heating welding equipment according to claim 1 is it is characterised in that the transfer rate of described drive system exists Adjustable in 0～2m/min.

9. overall heating welding equipment according to claim 1 is it is characterised in that also including electric-control system, described automatically controlled System is electrically connected with drive system, heating system, cooling system.

10. overall heating welding equipment according to claim 9 is it is characterised in that described electric-control system includes controlling list Unit and the man machine operation interface electrically connecting with control unit.

11. overall heating welding equipments according to claim 1 are it is characterised in that also include in described upper board Smog recovery system, described smog recovery system include filtering module and for weld zone overhead formed negative pressure centrifugation wind Machine.

12. overall heating welding equipments according to claim 1 are it is characterised in that described upper board is connected with lower board Seam sealed by encapsulant to prevent the outside loss of heat.