CN208116976U - It is a kind of large size electric welding machine in cooling fan mounting structure - Google Patents

Abstract

The utility model provides the cooling fan mounting structure in a kind of large-scale electric welding machine, belongs to field of mechanical technique.It solves the problems, such as that cooling fan installation is inconvenient in existing electric welding machine.In the utility model, electric welding machine includes the casing in cuboid, cooling fan is located in casing, cooling fan is distributed there are two and along the width direction of casing, each cooling fan includes tubular shell, mounting structure includes two clamping plates for being separately positioned on shell the upper side and lower side, clamping plate is arranged in long plate shape and along casing width direction, clamping plate on the upside of cooling fan is slidably connected with casing and the clamping plate is enable to slide along the vertical direction, clamping plate on the downside of cooling fan is fixedly connected with casing, two housings top and bottom respectively with two clamping plate tight abutments, two clamping plates run through along the vertical direction offers threaded hole, two threaded holes are between two housings, same root screw rod is bolted in two threaded holes.The utility model has the advantages that cooling fan property easy for installation can be improved.

Description

It is a kind of large size electric welding machine in cooling fan mounting structure

Technical field

The utility model belongs to field of mechanical technique, is related to a kind of large-scale electric welding machine, in especially a kind of large-scale electric welding machine Cooling fan mounting structure.

Background technique

Electric welding machine be the high-temperature electric arc that is generated using positive and negative polarities in instantaneous short circuit come on consumable electrode solder and Materials to be welded makes the purpose combined by contactant.Electric welding machine generally can be divided into two kinds by out-put supply type, and one is exchanges Power supply, one is direct currents.They utilize the principle of inductance, and inductance can generate huge voltage when switching on and off and become Change, using the high-voltage arc that positive and negative polarities are generated in instantaneous short circuit come the solder on consumable electrode, to make them reach former The purpose that son combines.

Existing electric welding machine radiates generally by the cooling fan being provided at its inner portion, and in order to reinforce heat dissipation effect At least two radiator fans can be arranged in fruit, some electric welding machines inside the shell.When installation, radiator fan is by more screws and outer Shell phase be connected, since the installation of each radiator fan is independent from each other, when in an electric welding machine have multiple radiation airs When fan, whole installation process will become relatively complicated.

Utility model content

The purpose of this utility model is the presence of the above problem in view of the prior art, is proposed in a kind of large-scale electric welding machine The technical issues of cooling fan mounting structure, solution is how to improve property easy for installation.

The purpose of this utility model can be realized by the following technical scheme：It is a kind of large size electric welding machine in cooling fan peace Assembling structure, electric welding machine include the casing in cuboid, and cooling fan is located in casing, and there are two cooling fans and along casing Width direction distribution, each cooling fan includes tubular shell, which is characterized in that this mounting structure includes being respectively set Two clamping plates in the upper side and lower side of shell, clamping plate are arranged in long plate shape and along the width direction of casing, are located on cooling fan The clamping plate of side is slidably connected with casing enables the clamping plate to slide along the vertical direction, the clamping plate on the downside of cooling fan and casing phase It is connected, respectively with two clamping plate tight abutments, clamping plate described in two runs through along the vertical direction to be opened for the top and bottom of two housings Equipped with threaded hole, and two threaded holes are bolted with same root screw rod between two housings in two threaded holes.

Under the cooperation of screw rod and two clamping plates, to be completed at the same time the positioning of two cooling fans, compared with the existing technology in dissipate Air-heater positions this technical solution separately through more screws, effectively reduces assembling procedure, to improve cooling fan Property easy for installation.Secondly, clamping plate is slidably connected with casing, accurate guiding is played to the sliding of clamping plate, moves clamping plate disposably It moves in place, while reinforcing positioning cooling fan intensity, and improves the installation of cooling fan.

In the cooling fan mounting structure in above-mentioned large-scale electric welding machine, is offered on the inner sidewall of the casing and be in The dovetail groove of strip, dovetail groove are arranged along the vertical direction and between two housings, are equipped with and the dovetail in the dovetail groove The matched dovetails of slot, and dovetails are fixedly connected with the clamping plate being located on the upside of cooling fan.

Under the cooperation of dovetail groove and dovetails, stablize and realize that clamping plate and casing are slidably connected, makes to improve cooling fan peace The purpose for filling convenience, which is stablized, to be realized.

In the cooling fan mounting structure in above-mentioned large-scale electric welding machine, it is all provided on the top and bottom of the shell There is jack, two limited posts to match with jack are respectively and fixedly provided on clamping plate described in two, limited post described in four is inserted embedding respectively In four jacks.

Using above-mentioned design, it can effectively reinforce the stability for positioning cooling fan.

In the cooling fan mounting structure in above-mentioned large-scale electric welding machine, one of end face of shell described in two is equal Lean with the inner sidewall of casing, through offering two air intakes on the side wall of casing, and two air intakes respectively with two air inlets Face.

Using above-mentioned design, to increase the friction between casing and shell, to improve the stabilization that cooling fan is positioned Property.

Compared with prior art, the cooling fan mounting structure in this large size electric welding machine has the following advantages that：

1, under the cooperation of screw rod and two clamping plates, to be completed at the same time the positioning of two cooling fans, compared with the existing technology in Cooling fan positions this technical solution separately through more screws, effectively reduces assembling procedure, to improve radiation air The property easy for installation of machine.

2, clamping plate and casing are slidably connected, and play accurate guiding to the sliding of clamping plate, make clamping plate disposably it is mobile in place, While reinforcing positioning cooling fan intensity, and improve the installation of cooling fan.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of this electric welding machine.

Fig. 2 is the enlarged structure schematic diagram in Fig. 1 at A.

Fig. 3 is the enlarged structure schematic diagram in Fig. 1 at B.

Fig. 4 is the enlarged structure schematic diagram in Fig. 1 at C.

Fig. 5 is the mounting structure schematic diagram of cooling fan.

Fig. 6 is the mounting structure schematic diagram of circuit board and heat-dissipating aluminium plate.

Fig. 7 is the enlarged structure schematic diagram in Fig. 6 at D.

In figure, 1, casing；1a, air intake；1b, dovetail groove；1c, exhaust outlet；1d, backplate；2, circuit board；3, radiation air Machine；3a, shell；4, heat-dissipating aluminium plate；4a, positioning region；4b, air flue；5, extraction fan；6, air inlet pipe；6a, upper tube；6a1, connection Portion；6b, down tube；6b1, air inlet filter opening；7, clamping plate；8, installing pipe；8a, mounting portion；9, dustproof cover；9a, exhaust capillary；10, ten thousand To ball；11, screw；12, support tube；13, screw rod；14, dovetails；15, limited post；16, plug；16a, bolt mounting holes； 17, pillar；18,0 shape circle；19, spring.

Specific embodiment

It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further Description, but the utility model is not limited to these examples.

As shown in Figure 1, this large size electric welding machine by casing 1, circuit board 2, cooling fan 3, heat-dissipating aluminium plate 4, extraction fan 5, The composition such as air inlet pipe 6, clamping plate 7, installing pipe 8, dustproof cover 9.Wherein, installing pipe 8 is made from a material that be thermally conductive, and Heat Conduction Material can be Aluminium or brass.

Specifically, casing 1 is cavity in cuboid and its inside, and the bottom surface surrounding of casing 1 is fixed with universal rolling Pearl 10, in order to the movement of electric welding machine.It is preferred that Universal caster 10 and casing 1 are fixedly connected with by welding.

Circuit board 2 is arranged horizontally in casing 1, and the top surface of circuit board 2 is integrated with electronic component, and circuit board 2 bottom surface, which reclines, heat-dissipating aluminium plate 4, to accelerate the radiating efficiency of circuit board 2.At this point, heat-dissipating aluminium plate 4 is also set in the horizontal direction It sets.

Wherein, the mounting means of circuit board 2 and heat-dissipating aluminium plate 4 is as follows：

The bottom surface surrounding of heat-dissipating aluminium plate 4 all has the positioning region 4a protruded in a tubular form, i.e. there are four positioning region 4a.It is preferred that fixed Position portion 4a and heat-dissipating aluminium plate 4 are processed and formed at one time using same material.Installing pipe 8 is vertically arranged in casing 1 and in scattered Immediately below hot aluminium sheet 4.Installing pipe 8 has four and faces respectively with four positioning region 4a.Wherein, the upper end of four installing pipes 8 It is respectively sleeved at outside four positioning region 4a, and installing pipe 8 and positioning region 4a are fixedly connected with by way of tight fit；The bottom of casing 1 Through relief hole is offered, there are four relief holes and faces respectively with four installing pipes 8 in portion.The lower end of four installing pipes 8 is equal It across corresponding relief hole and extend out to outside casing 1, and preferably installing pipe 8 and casing 1 are fixedly connected with by way of tight fit.Into One step explanation, the top surface of installing pipe 8 mutually recline with the bottom surface of heat-dissipating aluminium plate 4, and the top surface of installing pipe 8 is equipped with slip-resistant texture (not shown).

The surrounding of circuit board 2 along the vertical direction through location hole is offered, has on the upper end outer wall of each installing pipe 8 In the mounting portion 8a of bulk protrusion, and mounting portion 8a and installing pipe 8 are an integral structure.Each mounting portion 8a is along the vertical direction Through offering screw hole, and four screw holes are faced with four location holes respectively.Each positioning hole is equipped with screw 11, the head of screw 11 and the top surface of circuit board 2 offset, and the bar portion of screw 11 is screwed into corresponding screw hole, will be electric 2 stable position of road plate.It further illustrates, is cased with support tube 12 outside the bar portion of every screw 11, support tube 12 and corresponding peace Dress portion 8a is fixedly connected with, and top surface of the both ends of the surface of support tube 12 respectively with the bottom surface of circuit board 2 and mounting portion 8a leans, to electricity Road plate 2 plays preferable supporting role, to improve its service life and job stability.

As shown in Figure 1, being cased with dustproof cover 9 outside the lower end of every installing pipe 8, and dustproof cover 9 passes through helicitic texture and peace Tubulature 8 is fixedly connected with.Dustproof cover 9 is equipped with the exhaust capillary 9a for making 8 inner cavity of installing pipe be in communication with the outside, on each dustproof cover 9 Equipped with multiple exhaust capillary 9a, each exhaust capillary 9a is in straight hole shape and is arranged along the vertical direction.In the present embodiment, it is vented The aperture of micropore 9a is 0.3mm~1mm, and preferably this aperture is 0.5mm.

2 side of circuit board is equipped with the cooling fan 3 with 2 face of circuit board, preferably there are two cooling fans 3 and is in In casing 1.At this point, two cooling fans 3 are distributed along the width direction of casing 1.The mounting means of two cooling fans 3 is as follows：

Each cooling fan 3 includes tubular shell 3a, and the length of the axis extending direction of shell 3a and casing 1 Extending direction is consistent.The two-port of shell 3a is respectively air inlet and air outlet, and two gas outlets with 2 phase of circuit board just It is right.Inner sidewall of the one of end face of two housings 3a with casing 1 leans, and enters on the side wall of casing 1 through offering two Port 1a, and two air intake 1a respectively with two air inlet faces.The upper side and lower side of shell 3a is horizontal to be equipped with clamping plate 7, clamping plate 7 It is arranged in long plate shape and along the width direction of casing 1.Clamping plate 7 and casing 1 positioned at 3 upside of cooling fan are slidably connected and make the folder Plate 7 can slide along the vertical direction, and the clamping plate 7 positioned at 3 downside of cooling fan is fixedly connected with casing 1, the top surface and bottom of two housings 3a Face is respectively with two clamping plates, 7 tight abutment, and for two clamping plates 7 along the vertical direction through threaded hole is offered, two threaded holes are located at two Between shell 3a, and same root screw rod 13 is bolted in two threaded holes, to simultaneously position two cooling fans 3.

Wherein, the mode that clamping plate 7 and casing 1 are slidably connected is as follows：Dovetail in a strip shape is offered on the inner sidewall of casing 1 Slot 1b, dovetail groove 1b are arranged along the vertical direction and between two housings 3a.Be equipped in dovetail groove 1b with the dovetail groove 1b The dovetails 14 matched, and dovetails 14 are fixedly connected with the clamping plate 7 for being located at 3 upside of cooling fan.It is preferred that dovetails 14 and clamping plate 7 are logical The mode for crossing welding is fixedly connected with.It further illustrates, jack is equipped on the top and bottom of shell 3a, is fixed on two clamping plates 7 There are two limited posts 15 to match with jack, four limited posts 15 are inserted in four jacks respectively, and cooling fan 3 is determined in reinforcement The stability of position.

As shown in Figure 1, there is the air flue 4b in vertical bar shape, and the length of 1 the two of air flue 4b and casing is prolonged in heat-dissipating aluminium plate 4 It is consistent to stretch direction.The both ends of air flue 4b are respectively open end and closed end, and closed end be located at cooling fan 3 and open end it Between, it is entered in air flue 4b with the wind for preventing cooling fan 3 to be discharged.Air inlet pipe 6 is installed in casing 1 vertically, air inlet pipe 6 is located at Immediately below heat-dissipating aluminium plate 4, the upper end of air inlet pipe 6 is connected with air flue 4b, and casing 1, and air inlet pipe 6 are stretched out in the lower end of air inlet pipe 6 Lower end in be fixed with extraction fan 5.

Wherein, the mode of communicating of air inlet pipe 6 and air flue 4b are as follows：Also have in heat-dissipating aluminium plate 4 in vertical bar shape and along vertical The air inlet of direction setting, the upper end of air inlet is connected to the inner cavity of closed end, and the lower end of air inlet is located at heat-dissipating aluminium plate 4 On bottom surface.There is the interconnecting piece 6a1 annularly protruded, interconnecting piece 6a1 and air inlet pipe 6 are coaxially disposed on the upper surface of air inlet pipe 6 And the two is an integral structure, the shape and size of interconnecting piece 6a1 match with air inlet, and interconnecting piece 6a1 insert embedded in into In stomata.

The mounting means of extraction fan 5 is as follows：The lower end of air inlet pipe 6 is ring-shaped step, ring-shaped step by annular sidewall and Annular step surface composition, extraction fan 5 is located in ring-shaped step, and extraction fan 5 is fixedly connected with by screw and annular step surface.

As shown in Figure 1, being fixed in air inlet pipe 6 by the closed plug 16 of the lower port of the air inlet pipe 6, under air inlet pipe 6 Run through on the wall of end side and offer multiple air inlet filter opening 6b1, and all air inlet filter opening 6b1 are respectively positioned on 5 lower section of extraction fan.At this point, External cold air is entered inside air inlet pipe 6 by air inlet filter opening 6b1.It further illustrates, is cased with pillar outside the lower end of air inlet pipe 6 17, and the upper end of pillar 17 is fixedly connected with casing 1, the internal diameter of pillar 17 is greater than the outer diameter of air inlet pipe 6, and all air inlet filter openings 6b1 is respectively positioned in pillar 17.

Further, the section of plug 16 is in inverted T-shaped, and plug 16 is made of bar portion and rounded head.Bar portion It is inserted in air inlet pipe 6 and closes the lower port of air inlet pipe 6, head is located at outside air inlet pipe 6, and head is run through along the vertical direction to be opened up There are bolt mounting holes 16a, bolt mounting holes 16a to have multiple and circumferential directions along head uniformly distributed.The bottom surface on head is equipped with anti-skid chequer Reason.

As shown in Figure 1, it is in straight tube-like and along perpendicular that air inlet pipe 6, which includes upper tube 6a and down tube 6b, upper tube 6a and down tube 6b, Histogram is to setting.Above-mentioned interconnecting piece 6a1 and ring-shaped step are located on upper tube 6a and down tube 6b, and the upper end cap of down tube 6b exists On the lower end of upper tube 6a, and down tube 6b and upper tube 6a are fixedly connected with by helicitic texture.It further illustrates, on the lateral wall of upper tube 6a The annular groove coaxial with upper tube 6a is offered, 0 shape circle 18, and the outer peripheral surface and down tube of 0 shape circle 18 are equipped in annular groove The inner sidewall of 6b leans, to reinforce the leakproofness that upper tube 6a is connected with down tube 6b.Spring 19, bullet are cased with outside the lower end of down tube 6b Bottom surface of the both ends of spring 19 respectively with the top surface on head and casing 1 leans, and the upper end of spring 19 is located in pillar 17.At this In embodiment, air inlet filter opening 6b1 is located on down tube 6b, and air inlet filter opening 6b1 is inclined hole, and air inlet filter opening 6b1 is located in down tube 6b The position of the one end on surface is higher than the position that air inlet filter opening 6b1 is located at one end of the outer surface down tube 6b.

As shown in Figure 1, through the exhaust outlet 1c offered with open end face on the side wall of casing 1；The lateral wall of casing 1 It is upper that there is backplate 1d, and backplate 1d and casing 1 are an integral structure.Backplate 1d is in the length of long plate shape and backplate 1d along casing 1 Width direction extend, backplate 1d tilts down setting, and exhaust outlet 1c and backplate 1d is faced, with increase the impurity such as dust lead to Cross the difficulty that exhaust outlet 1c is entered in casing 1.

The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.

Claims (4)

1. the cooling fan mounting structure in a kind of large size electric welding machine, electric welding machine include the casing in cuboid, cooling fan In casing, cooling fan is distributed there are two and along the width direction of casing, and each cooling fan includes tubular shell Body, which is characterized in that this mounting structure includes two clamping plates for being separately positioned on the upper side and lower side of shell, clamping plate in long plate shape and Width direction along casing is arranged, and the clamping plate and casing on the upside of cooling fan are slidably connected and enable the clamping plate along the vertical direction Sliding, the clamping plate on the downside of cooling fan are fixedly connected with casing, and the top and bottom of two housings are close with two clamping plates respectively Against, clamping plate described in two along the vertical direction through offering threaded hole, and two threaded holes are between two housings, two screw threads Same root screw rod is bolted in hole.

2. the cooling fan mounting structure in large size electric welding machine according to claim 1, which is characterized in that the casing Inner sidewall on offer dovetail groove in a strip shape, dovetail groove is arranged along the vertical direction and between two housings, the swallow Be equipped in stern notch with the matched dovetails of the dovetail groove, and dovetails are fixedly connected with the clamping plate on the upside of cooling fan.

3. the cooling fan mounting structure in large size electric welding machine according to claim 1 or 2, which is characterized in that described It is equipped with jack on the top and bottom of shell, is respectively and fixedly provided with two limited posts to match with jack on clamping plate described in two, four Limited post described in root is inserted in four jacks respectively.

4. the cooling fan mounting structure in large size electric welding machine according to claim 1 or 2, which is characterized in that described in two One of end face of shell lean with the inner sidewall of casing, through offering two air intakes on the side wall of casing, and Two air intakes respectively with two air inlet faces.