CN108213340A - Automotive axle foundry sand moulds producing device - Google Patents

Abstract

The present invention relates to automotive axle manufacture technology fields.A kind of automotive axle foundry sand moulds producing device, mold is made including sand mo(u)ld, the sand mo(u)ld makes mold and includes plug hole building core, rack and vehicle bridge model, the rack is equipped with sand mold molding bottom plate and the sand mold molding outline border being shelved on sand mold molding bottom plate, it is characterized in that, the sandbox set gradually, charger are further included, roller is stirred and send sand pump, the charger is used to the sand in sandbox being conveyed to stirring roller, nozzle is equipped in the discharge port of the charger, the nozzle is linked together by infusion pump with curing agent solution storage bin.The present invention provides a kind of small automotive axle foundry sand moulds producing device of airborne dust that can be generated mulling and upper sand and when sand output feed machine, solve the problems, such as in automotive axle sand mo(u)ld manufacturing process that mulling and upper sand by manual work are that production is laborious to cause.

Description

Automotive axle foundry sand moulds producing device

Technical field

The present invention relates to automotive axle manufacture technology fields more particularly to a kind of automotive axle foundry sand moulds to make dress It puts.

Background technology

The production method of automotive axle mainly has two kinds of forging method and casting.It needs to use when making vehicle frame using casting To casting mould, casting mould again there are mainly two types of：One kind is metal pattern, another kind is sand mo(u)ld.Sand mo(u)ld is made by sand mo(u)ld Mold is made, sand mo(u)ld makes mold and includes plug hole building core, rack and vehicle bridge model, and rack is equipped with sand mold molding bottom plate With the sand mold molding outline border being shelved on sand mold molding bottom plate, need to mix in sand and binding agent in sand mo(u)ld manufacturing process （Hereinafter referred to as mulling）So that sand mo(u)ld can be fixed-type, mulling is completed by manually in existing sand mo(u)ld manufacturing process , therefore the labor intensity of worker is big；In addition it is existing that mixed sand is put into sand mold molding shell（Hereinafter referred to as upper sand）、 Sand is compacted（Hereinafter referred to as press sand）With the stomata that begins to rehearse on sand mo(u)ld（Hereinafter referred to as shaped air holes）All it is by manually using inserted link It inserts to complete, therefore makes laborious during sand mo(u)ld；It is also existing in sand mo(u)ld manufacturing process, plug hole building core be round platform Shape is to be shelved on to mold back taper plug hole on vehicle frame model in a manner of small end direction, during to pour into a mould at plug hole Can return-air it is unobstructed to ensure patency when pouring into a mould, although which ensure that the plug hole for the sand mo(u)ld produced can be unobstructed It is different that ground, which is poured into a mould but vehicle bridge model and the direction of plug hole building core are taken out when leading to make sand mo(u)ld, so that vehicle bridge mould Type and plug hole building core can not disposably take out, so as to influence production efficiency；Vehicle bridge model and sand mold molding bottom plate are Be fixed together, by upper lift sand mold molding outline border by the sand mo(u)ld in sand mold molding outline border with sand mold molding bottom plate and Vehicle bridge model separation goes out, and is detached simultaneously for sand mold molding bottom plate and vehicle bridge model due to which, thus need power to be separated it is big, Sand mo(u)ld is easily generated first from sand mold molding outline border to deviate from and cause demoulding that sand mo(u)ld is unsuccessfully caused to make failure.

Invention content

First purpose of the present invention be intended to provide it is a kind of can generate mulling and upper sand and when sand output feed machine raise The small automotive axle foundry sand moulds producing device of dirt solves mulling and upper sand in automotive axle sand mo(u)ld manufacturing process and passes through people The problem of laborious is produced caused by work industry.

Motor can if generation is overloaded when second goal of the invention of the present invention is further intended to provide a kind of mulling Self-braking automotive axle foundry sand moulds producing device, to realize overload protection during automatic mulling.

The third goal of the invention of the present invention provides laborsaving convenient when a kind of pressure sand and shaped air holes with being further intended to Automotive axle foundry sand moulds producing device, to reduce labor operation intensity when sand mo(u)ld makes.

More than technical problem is solved by following technical proposal：A kind of automotive axle foundry sand moulds producing device, Mold is made including sand mo(u)ld, and the sand mo(u)ld makes mold and includes plug hole building core, rack and vehicle bridge model, in the rack Equipped with sand mold molding bottom plate and the sand mold molding outline border being shelved on sand mold molding bottom plate, which is characterized in that further include and set successively The sandbox put, stirs roller and send sand pump charger, and the charger rolls for the sand in sandbox to be conveyed to stirring Machine, the discharge port of the charger is interior to be equipped with nozzle, and the nozzle is connected to one by infusion pump with curing agent solution storage bin It rises.Sand is poured in sandbox during use, curing agent solution is poured in curing agent solution storage bin.Sand is transported to stirring by charger In roller, curing agent solution is sprayed onto in sand and generates preliminary mixing by nozzle when sand leaves charger, and then stirring roller will Sand and curing agent solution futher stir mixing to influence the molding of sand mo(u)ld with preventing from having sand lump in sand by uniformity, finally It send sand pump that mixed sand is sent in sand mold molding outline border and completes upper sand effect, sand mo(u)ld is produced finally by existing procedure.This Technical solution mulling and upper sand are all completed by equipment, therefore it is laborsaving during sand mo(u)ld that worker is enabled to make.Sprinkler design into In the discharge port of material machine, airborne dust that sand generates when falling out charger can either be effectively prevent and can effectively avoid curing agent The liquid mist that solution generates when discharging is drifted in air, therefore the feature of environmental protection is good.

Preferably, the nozzle includes the nozzle body of column construction, runner, the stream are equipped in the nozzle body The port of export in road is located on the end face of nozzle body, and even flow plate is equipped in the runner, and the port of export of the runner is equipped with inner end With the commutation plug that even flow plate links together, it is logical that the commutation plug is located at formation mixing between the part in runner and nozzle body Road, the described one end of commutation plug far from even flow plate are equipped with the port of export of major diameter section, the major diameter section and nozzle body setting runner End face between formed towards the annular liquid outlet far from the injection of ring plug centerline direction, the even flow plate is equipped with several connection institutes It states hybrid channel and runner is located at the via of part of the even flow plate far from commutation plug side.The structure of existing nozzle is in nozzle Open up several outlets on the circumferential surface of ontology, the solution that nozzle sprays be with dotted injection at, therefore uniformity when there is sprinkling The deficiency of difference.During the nozzle use of the technical program liquor after runner flows into successively through even flow plate, hybrid channel and annular Liquid outlet and spray, which so that solution is sprayed to be cyclic annular, so as to play the role of improving the uniformity.Even flow plate and mixing are logical The formation in road can carry the mixed effect of uniformity and curing agent solution when curing agent solution goes out and further improve mixing matter Amount.

Preferably, the outer end portion that the major diameter section forms the wall of the liquid outlet is equipped with chamfering, nozzle body is set The end face for putting the port of export of runner is plane.The curing agent solution sprayed is enabled to be gone back while generating runner in the horizontal direction Some is flowed downward, touches after sand towards the speed of lower flow channel to prevent sand from dissipating so as to improve curing agent solution It opens and floats into air.

Preferably, the annular liquid outlet is connected by conical surface section with the hybrid channel.It is molten curing agent can be reduced Resistance when liquid stream goes out.

Preferably, the one end of the even flow plate far from commutation plug is equipped with pyramidal pits, the via is arranged on the cone In shape pit.

Preferably, the even flow plate is fixed together with the nozzle body, the commutation plug is the same as the nozzle body It is rotatably connected, the part that the major diameter section forms the wall of the annular liquid outlet is equipped with several circumferential point of edge commutation plugs The swirl vane of cloth forms eddy flow slot between adjacent swirl vane.Curing agent solution is enabled to have part to generate rotation Power so that uniformity when being contacted with sand is more preferable.

Preferably, the even flow plate, equipped with commutation plug rotary electric machine, the commutation fills in rotary electric machine for double end motor, institute It states commutation plug to be connected on a head of the double end motor, another head of the double end motor extend into the pyramidal pits Interior and be connected with several stirring blades, the stirring blade is equipped with several elastomeric bristles extending into the via.Stirring The setting of blade can improve the mobility and mixture homogeneity of curing agent solution, and bristle can play dredging via and prevent from blocking up The effect of plug.

Preferably, the via is equipped with along the front of stirring blade rotation direction lets out dirty bar, it is described to let out dirty bar with described Draw ring is formed between the wall of pyramidal pits, the end of the elastomeric bristles is provided with the front bending of stirring blade rotation direction Gib head, the elastomeric bristles pass through described in when letting out dirty bar the gib head may be hooked to the draw ring.The setting of gib head so that mistake Dirt in hole can be preferably hooked out.Draw ring is set, plays and the sewage that gib head is ticked is entered into next via in bristle Effect under preceding cleaning.Cleaning effect is good.

The invention also includes double end machine shaft vibration degree feedback mechanism, the double end machine shaft vibration degree feedback mechanisms Include session, laser tube and the projection plate outside nozzle body of perforation commutation plug, the light that the laser tube is sent out is through institute Session is stated to irradiate to the projection plate, the laser tube with the commutation plug rotary electric machine cage connection together, it is described to swash The projected area for the light that light pipe is sent out is less than 0.1 square millimeter, and the opening area of the session is sent out less than or equal to the laser tube The projected area of the light gone out.When motor bearings damages, Oscillation Amplitude when machine shaft rotates（Radially wobbling amplitude can increase Add）It can increase, by judging whether Oscillation Amplitude in range can know whether motor bearings damages, to tie up in time It repaiies.When the amplitude of fluctuation of motor shaft is more than setting range, light can not be continuously irradiated to through session on projection plate（Namely There is no light or light to generate flicker on projection plate）, user is not by having light or light generation flicker to be to judge vibration on projection plate It is no to meet the requirements.If in the range of, light is radiated on projection plate always.

The invention also includes radiator and heating structure, the laser tube be green laser diode, the heating structure Including heat-conducting substrate and the Chip-R being arranged on heat-conducting substrate, the radiator is equipped with the laser tube installation being connected together Hole and heating structure mounting hole, the heat-conducting substrate are mounted in the heating structure mounting hole and with the laser tube thermal conductivity It links together, the heat-conducting substrate is integrally formed with the heat conducting sleeve being threaded through in the laser tube mounting hole, the laser tube It is connected in the heat conducting sleeve, when temperature is 25 DEG C or more, the laser tube installed by the heat conducting sleeve with the laser tube Hole abuts together, and the linear expansion coefficient of the radiator is less than the linear expansion coefficient of the heat conducting sleeve.When light is observed not It is dazzling, diode illumination, power saving.

But the requirement of green laser diode pair environment temperature is especially high, when environment temperature be less than 25 DEG C when its brightness drop It is low, during higher than 30 DEG C brightness equally reduce, therefore when green laser diode uses should consider heat dissipation consider again plus Heat especially uses in winter, and environment temperature is than nearly -25 DEG C of temperature that is relatively low, having some national, to using the laser two of green The product of pole pipe does not work at all, if it is that can not work to laser diode heating product not design heating structure on product , at present to there are two types of the mode of heatings of laser diode, one kind is heating tape to be wound on laser diode and then by laser The mode that diode is installed on radiator is heated, which can lead to laser diode when being radiated It radiates bad, so the serious heating for being unsuitable for laser diode.Another kind is that a power resistor is placed on two pole of laser Radiator is heated in the spreader surface of pipe, laser diode is then transferred heat to by radiator, due to dissipating Its heat of the heat dissipation on hot device surface passes to very very long during the starting of laser tube green laser diode, rising in low temperature environment Dynamic duration（Laser diode is heated to the duration of 25 DEG C or more progress normal luminous）Want at least 30 minutes or more namely The efficiency of heating surface is low.

Original power resistor is substituted for Chip-R and is attached on heat-conducting plate by the technical program, and the heat of resistance is allowed to transmit The radiator of resistance is acted as to heat-conducting plate, that is, heat-conducting plate, heat-conducting plate links together with laser diode thermal conductivity, from And the heat generated is enabled quickly to pass to laser diode, with the existing second way than laser diode temperature 25 DEG C of durations of normal luminous machine, which are heated to, by -25 DEG C there was only 5 ~ 10 minutes（It is existing be 30 minutes also on）.It ought not heat simultaneously When, the influence of the presence of heat-conducting plate to the heat dissipation effect of laser diode is small.During temperature rise, small diode peace is acted in heat expansion Dress hole has and can carry out good heat conduction with forming tight fit between laser diode so that heat dissipation effect again can be high.It can Laser diode declines with the heat-conducting effect between radiator, is improved in heat dissipation during enough automatic realization heating.

Preferably, side of the heat-conducting substrate far from the laser tube with the heating structure mounting hole hole wall it It is separated.Heat during heating can be flowed to largely at where laser tube, play the role of improving heating effect, and to heat dissipation When obstruction lack.

Preferably, the Chip-R is arranged on side of the heat-conducting substrate far from the laser tube.It can be both Ensure the heat transfer of Chip-R to heat-conducting plate but enable to Chip-R presence do not interfere heat-conducting plate and laser tube it Between heat transfer effect.It needs to heat laser tube when temperature is less than 25 DEG C, laser tube is pacified under shrinkage effect at this time Hole is filled with clearance fit is formed between laser tube, the heat that can be effectively prevented laser tube is further lost in and plays raising The effect of the efficiency of heating surface.

Preferably, one end of the heat conducting sleeve and one end of radiator are all sealed against on sealing plate, the heat conduction The other end of set and the other end of radiator are sealed connected together by annular reservoir, the heat conducting sleeve, sealing plate, heat dissipation Form annular seal space between device and annular reservoir, the annular seal space is with annular reservoir connection and in gravity or annular reservoir Insulation liquid in the lower annular reservoir of elastic shrinkage effect can be flowed in annular seal space.Since shrinkage is acted on when less than 25 DEG C It can cause to generate gap between heat conducting sleeve and laser tube mounting hole and reduce the heat-conducting effect between heat conducting sleeve and radiator and rise To the effect for improving heating effect, insulation liquid, which is filled into the gap to play, at this time further improves insulation effect so that heating Effect is more preferable.When temperature needs heat dissipation higher than 25 DEG C or 30 DEG C, under heat expansion effect heat conducting sleeve and laser tube mounting hole it Between push against together, push against during the adiabatic liquid between heat conducting sleeve and laser tube mounting hole squeezed out and be stored in annular storage In liquid capsule.Heating effect during heating can be further improved.

Preferably, the stirring roller includes agitator, rolling wheel and stirring blade in agitator turn Axis, the stirring of drive shaft rotation roll motor；The stirring blade links together with the shaft, the wheel of the rolling wheel Axis links together with the shaft.

The invention also includes overload bit setting spring, overload bit detection switch and control unit, the shaft be equipped with from Dynamic helical gear, described stir axially slidably are arranged with active oblique gear on the power output shaft for rolling motor, it is described from Dynamic helical gear meshes together with active oblique gear, and the both ends of the active oblique gear set spring supporting by the overload bit It is described stir roll motor power output shaft on, when the load that shaft is driven reach setting upper limit value when active oblique gear Location is overload bit；Whether the overload bit detection switch detection active oblique gear is located at overload bit；First control Unit processed stops for stirring to be made to roll motor when overload bit detection switch detects that active oblique gear is located at overload bit；It is described When active oblique gear is located at the overload bit, active oblique gear and driven helical gear mesh together.It can stop automatically after overload Only, that is, overload protection is realized." when the active oblique gear is located at the overload bit, active oblique gear and driven helical gear nibble It is combined ", stationarity during operation is good, if disengaged during overload bit, can be generated during disengaging and closing larger Shake, is easy to cause gear failure and noise is big.

Preferably, the sand mo(u)ld, which makes mold, further includes stomata shaping mechanism, the vehicle bridge model is threaded through the sand On mold forming bottom plate, the vehicle bridge model is linked together by lifting cylinder with the rack, the plug hole building core For truncated cone-shaped, the bigger diameter end of the plug hole building core is fixed together with the vehicle bridge model, the stomata shaping mechanism The first stomata including molding cast hole portion gas vent is molded inserted link, and cast hole portion gas vent is extended through out of sand mo(u)ld plug hole Outside sand mo(u)ld.The technical program during demoulding, first passes through lifting cylinder driving vehicle bridge model and plug hole building core one is driven to remove It moves and comes off with sand mo(u)ld, then remove from sand mold molding bottom plate sand mo(u)ld lifting sand mold molding outline border, so as to effective It generates and scraps and process is few when avoiding the sand mo(u)ld from demoulding, while be molded inserted link and can be molded cast hole portion by designing the first stomata and arrange Stomata, cast hole portion gas vent can effectively avoid pouring into a mould caused by the plug hole mode big for the small inner end in outer end not smooth The problem of.

Preferably, the stomata shaping mechanism include by by air cylinder be suspended in rack to sand mold molding outline border The flat-rammer and be molded inserted link link by being lifted stomata of the spring supporting above flat-rammer that interior sand is pressed, it is described Stomata molding inserted link link is connected with the second stomata molding inserted link, and the first stomata molding inserted link is obliquely threaded through described On flat-rammer, driving the first stomata molding inserted link is equipped between the flat-rammer and the first stomata molding inserted link and extracts pressure sand upwards The first stomata molding inserted link of plate extracts spring, and the first stomata molding inserted link is molded inserted link link pressure by the stomata Enter in sand mo(u)ld.In use, realizing pressure sand by lifting flat-rammer repeatedly by air cylinder, stomata is made to be molded inserted link after the completion of pressure sand Link declines relative to flat-rammer, and the result of decline is molded inserted link and is inserted into for driving lifting spring energy-storage and first and second stomata Gas vent is formed in sand mo(u)ld.Lose to stomata molding inserted link link suppressing action after under the action of spring is lifted stomata into Type inserted link link moves up and the second stomata molding inserted link from sand mo(u)ld is extracted, extracts spring in the first stomata molding inserted link Under the action of the first stomata molding inserted link extracted from sand mo(u)ld.It presses sand and is formed convenient and strength-saving during stomata.Stomata molding inserted link connects Connecing frame can be driven by artificial or actuating unit（Such as cylinder oil cylinder）It drives and declines.

Preferably, the flat-rammer is additionally provided with the driving portion above stomata molding inserted link link, the driving It is equipped between the gentle hole forming inserted link link in portion and is clamped with oval pinch roller.Change driving by making oval pinch roller rotation Separation distance between the gentle hole forming inserted link link in portion is to realize the pushing of stomata molding inserted link link.It is compact-sized.

Preferably, the flat-rammer is equipped with the limiting slot vertically extended, the shaft of the ellipse pinch roller is worn It is located in the limiting slot.It can be by the way that stomata be driven to be molded reliability when inserted link link pushes.

Preferably, the sand mold molding outline border is equipped with handle and thread head, the handle passes through handle by thread head On mounting hole after link together with nut thread and be fixed together with sand mold molding outline border, the nut includes annular spiral shell Maternal body and the internal thread being arranged on nut body inner peripheral surface, the inner peripheral surface of the nut body are equipped with along one end of nut The straight slot of the other end is extended to, the straight slot disconnects the internal thread along the circumferential direction of nut body, and the nut body is equipped with Side side wall rear thread across the straight slot is connected to straight slot groove width adjusting screw on the opposite side side wall of straight slot.Setting carries Hand, it is convenient during sand mold molding outline border to move.Handle is fixed by thread head attaching nut, convenient during installing and dismounting.Installing and dismounting Straight slot groove width adjusting screw being locked after nut check during handle and causing straight slot reduced width, the result of diminution is causes The more tightly holding of the screw thread of nut is on thread head, so that not allowing to be also easy to produce loosening between nut and thread head.It improves Nut is the same as the connection reliability between thread head.Needing then to unclamp straight slot groove width adjusting screw during rotating nut can to nut The position being freely rotated.

Preferably, the straight slot has two.Locking effect is good and small to the execution of screw thread.

Preferably, two straight slots are uniformly distributed along the circumferential direction of nut body.It can effectively prevent nut generation office Portion's fragility phenomenon.

Preferably, the peripheral surface of the nut is cylindrical surface, the peripheral surface of the nut body is equipped with power-assisted slot.Circle Cylinder designs so that nut body has enough spaces to go to open up the cavity of connection straight slot groove width adjusting screw.Power-assisted slot is designed, It is convenient during driving nut rotation.

Present invention tool has the advantage that：It being capable of mulling and upper sand so that laborsaving when mulling and upper sand；The feature of environmental protection is good.

Description of the drawings

Fig. 1 is the structural diagram of the present invention.

Fig. 2 is the structure diagram of the liquid injecting mouth in Fig. 1.

The structure diagram of liquid injecting mouth in Fig. 3 embodiment of the present invention two.

Fig. 4 is the schematic top plan view of the even flow plate in embodiment two.

Fig. 5 is the close-up schematic view at the A of Fig. 3.

Schematic diagram when Fig. 6 is carried out plus dissipated for laser tube.

Fig. 7 is schematic diagram when the laser tube in embodiment three is carried out plus dissipated.

Fig. 8 is shaft and the drive connection schematic diagram for stirring the power output shaft for rolling motor.

Fig. 9 is the enlarged diagram that sand mo(u)ld makes mold.

Figure 10 is the close-up schematic view at the A of Fig. 9.

Figure 11 is the enlarged diagram of nut.

In figure：Sand mo(u)ld makes mold 1, rack 11, vehicle bridge model 12, lifting cylinder 121, plug hole building core 13, gas Hole forming mechanism 14, flat-rammer 141, hanger bracket 1411, by air cylinder 1412, plug hole building core avoid holes 1413, driving Portion 1414, the first pilot hole 1415, the second pilot hole 1416, riser item 1417, limiting slot 1417, stomata molding inserted link link 142nd, the shaft of the first stomata molding inserted link 143, the second stomata molding inserted link 144, oval pinch roller 145, oval pinch roller 1451st, it is lifted spring 146, the first stomata molding inserted link is extracted spring 147, sand mold molding bottom plate 15, sand mold molding outline border 16, carried Hand 161, thread head 162, stirring roller 3, agitator 31, resevoir sand tank 311, sand-feeding tube 312, into sand valve 313, shaft 32, flat Spherical bearing 321, driven helical gear 322, stirring rolls motor 33, stirring rolls power output shaft 331, the active oblique gear of motor 332nd, prism section 333, rolling wheel 34, the wheel shaft 341 of rolling wheel, stirring blade 35, send sand pump 36, sand suction pipe 361, go out sandpipe 362nd, control unit 37, overload bit detection switch 38, overload bit setting spring 39, adjusting block 391, nut 4, nut body 41, Internal thread 42, straight slot 43, the side side wall 431 of straight slot, the opposite side side wall 432 of straight slot, straight slot groove width adjusting screw 44, power-assisted Slot 45, charger 5, sandbox 50, the discharge port 51 of charger, infusion pump 52, curing agent solution storage bin 53, double end machine shaft Vibration degree feedback mechanism 7, radiator 71, laser tube mounting hole 711, heating structure mounting hole 712, laser tube 72, power supply introduce Foot 721, heating structure 73, heat-conducting substrate 731, Chip-R 732, heat-conducting glue 733, heat conducting sleeve 734, sealing plate 74, annular storage Liquid capsule 75, annular seal space 76, projection plate 77, session 78, nozzle 9, nozzle body 91, runner 911, runner input end 912, runner The port of export 913, hybrid channel 914, annular liquid outlet 915, conical surface section 916, runner be located at even flow plate and fill in side far from commutation Part 917, even flow plate 92, pyramidal pits 921, via 922, radially avoid gap 923, let out dirty bar 924, draw ring 925, commutation Plug 93, major diameter section 931, chamfering 932, bolt 933, swirl vane 934, eddy flow slot 935, commutation plug rotary electric machine 94, commutation plug A head 941, the gear of rotary electric machine connect block 942, locking nut 943, stirring blade 944, elastomeric bristles 945, commutation plug rotation Another head 946, the gib head 947 of motor.

Specific embodiment

The present invention is further illustrated with embodiment below in conjunction with the accompanying drawings.

Embodiment one, referring to Fig. 1, a kind of automotive axle foundry sand moulds producing device makes mold 1 including sand mo(u)ld, stirs Mix roller 3, charger 5 and sandbox 50.

Sand mo(u)ld makes mold 1 and includes rack 11 and vehicle bridge model 12,13 gentle hole forming mechanism 14 of plug hole building core. Rack 11 is equipped with sand mold molding bottom plate 15 and the sand mold molding outline border 16 being shelved on sand mold molding bottom plate.Vehicle bridge model 12 is worn It is located in sand mold molding bottom plate 15.Vehicle bridge model 12 is linked together by lifting cylinder 121 with rack 11.Pour into a mould hole forming type Core 13 is truncated cone-shaped.Plug hole building core 13 it is big top and small bottom.Bigger diameter end, that is, lower end of plug hole building core 13 is same Vehicle bridge model 12 is fixed together, and is specifically integrally formed together.

Stirring roller 3 rolls motor 33 including agitator 31, shaft 32, stirring and send sand pump 36.It is set in agitator 31 If there are several rolling wheels 34 and dry plate stirring blade 35.Rolling wheel 34 is specially 4.Circumferential direction point of the rolling wheel 34 along shaft 42 Cloth.The wheel shaft 341 of rolling wheel links together with shaft 32.Stirring blade 35 has 3.Stirring blade 35 is fixed in shaft 32 Together.Shaft 32 is hung by plane bearing 321 and gone on the bottom wall for being connected to agitator 31.Shaft 32 is equipped with driven oblique Gear 322.Stirring rolls and is axially slidably arranged with active oblique gear 332 on the power output shaft 331 of motor.Driven helical teeth Wheel 322 meshes together with active oblique gear 332.

The lower section of agitator 31 is equipped with resevoir sand tank 311.Resevoir sand tank 311 is connected by sand-feeding tube 312 with agitator 31.Into sand Pipe 312 is equipped with into sand valve 313.The sand suction pipe 361 of sand pump 36 is sent to extend into the lower part in resevoir sand tank 311.Send going out for sand pump 36 Sandpipe 362 is located at the top of sand mold molding outline border 16.

Sandbox 50 is stainless steel structure.Sandbox 50 is the case of open.

Charger 5 is feed screw.The input end of charger 5 is located in sandbox 50.The port of export of charger 5, which is located at, to be stirred Mix the top of bucket 31.Nozzle 9 is equipped in the discharge port 51 of charger.Nozzle 9 is by infusion pump 52 with curing agent solution storage bin 53 link together.

Sand is poured in sandbox 50 during use, curing agent solution is poured in curing agent solution storage bin 53.Charger 5 is by sand Sand in case 50 is transported in the agitator 31 of stirring roller 3.Infusion pump 52 makes the curing in curing agent solution storage bin 53 Agent is sprayed through nozzle 9 so that sand is wet while sand and curing agent solution generate preliminary mixing in the discharge port 51 of charger Moisten and be not easy to generate airborne dust.Stirring rolls motor 33 and coordinates driven 322 drive shaft 32 of helical gear by active oblique gear 332 Rotation, shaft 32 drive stirring blade 35 and rolling wheel 34 to be rotated by axis of shaft.Stirring blade 35 is so that sand and curing Agent solution is further uniformly mixed.Rolling wheel 34 also generates the rotation for axis with 342, realizes and sand is rolled, and has prevented big Caking flow to next procedure and influence the molding of sand mo(u)ld.Sand is opened after the completion of rolling stirring into sand valve 313, in agitator 31 Sand is entered by gravity in resevoir sand tank 311.Sand in resevoir sand tank 311 by send sand pump 36 be transported to sand mo(u)ld make in mold 1 into Row makes sand mo(u)ld.

Referring to Fig. 2, nozzle 9 includes nozzle body 91 and even flow plate 92.Nozzle body 91 is the column vertically extended Shape structure.Runner 911 is equipped in nozzle body 91.Runner 911 is penetrated into along nozzle body 91 from the upper surface of nozzle body 91 Lower face.The input end 912 of runner is located on the upper surface of nozzle body 91, the port of export 913 of runner is located at nozzle body 91 Lower face on.It is equipped in runner 911.The port of export 913 of runner is equipped with commutation plug 93.Commutation plug 93 is worn by bolt 933 It crosses after commutation plug 93 and is suspended on 92 lower section of even flow plate with the bolt that even flow plate 92 is threaded togather.Commutation plug 93 is located at runner Hybrid channel 914 is formed between interior part and nozzle body.93 one end Ji Tuzhong lower ends far from even flow plate of commutation plug are equipped with Major diameter section 931.Annular is formed between the end face Ji Tuzhong lower faces of the port of export of major diameter section 931 and nozzle body setting runner to go out Liquid mouth 915.Annular liquid outlet 915 is towards far from the injection of ring plug centerline direction.Annular liquid outlet 915 is same by conical surface section 916 Hybrid channel 914 connects.The outer end portion that major diameter section 931 forms the wall of liquid outlet is equipped with chamfering 932.Nozzle body 91 is set The end face Ji Tuzhong lower faces of the port of export of runner are plane.Even flow plate 92 is arranged in runner 911.92 same runner of even flow plate 911 are fixed together.One end Ji Tuzhong upper end of the even flow plate 92 far from commutation plug is equipped with pyramidal pits 921.In pyramidal pits 921 Equipped with several vias 922 circumferentially distributed along pyramidal pits 921.It is remote that hybrid channel 91 and runner are located at even flow plate by via 922 Part 917 from commutation plug side connects.

In use, input end 912 of the curing agent solution through runner injects, then in turn through hole 922, hybrid channel 914 With annular liquid outlet 915 and formed it is cyclic annular spray, curing agent solution also generates while scattering and expand along commutation 93 radial directions of plug Expand downward.

Referring to Fig. 8, stirring roller further includes the control unit 37 being electrically connected and overload bit detection switch 38.

Shaft 32 is equipped with clamp spring of the gear at driven 322 both ends of helical gear, to stop that driven helical gear 322 generates axial shifting It is dynamic.The power output shaft 331 that stirring rolls motor is equipped with prism section 333.Active oblique gear 332 is equipped with matched with prism section Polygonal hole.Active oblique gear 332 is axially displaceably set in stirring and rolls on the power output shaft 331 of motor and by more Power transmission when side shape hole cooperation prism section 333 is slided and rotated.Each same root overload bit setting in both ends of active oblique gear 332 One end of spring 39 abuts together.The other end of overload bit setting spring 39 links together with adjusting block 391.Adjusting block 391 can be rolled along stirring the power output shafts 331 of motor be axially movably threaded in stirring roll motor power it is defeated On shaft 331.

There are two overload bit detection switch 38, be respectively used to when active oblique gear 332 rotate forward overload bit and reversely It is detected when turning to overload bit and feeds back to control unit 37.

Change the starting force size and shrinkage that overload bit sets spring 39 by rotating adjusting block 391 in the present embodiment Change overload bit, the load that shaft 32 drives just past setting load namely when just overloading active oblique gear 332 and from Dynamic helical gear 322 be still mesh together namely active oblique gear 332 and driven helical gear 322 be still during positioned at overload bit It is old to mesh together.

Specifically the process of progress overload protection is：The power output shaft 331 that stirring rolls motor drives active oblique gear 332 Rotation, active oblique gear 332 drive driven helical gear 322 to rotate, and active oblique gear 332 also generates axial movement and squeezes when rotating Press overload bit setting spring 39.Active oblique gear 332 moves axially the size of distance namely overload bit setting spring 39 is compressed Amount increase with the increase of load.It is examined when load increases to the maximum load amount of setting namely starts overload by overload bit Slowdown monitoring switch 38 to and feed back to control unit 37.When control unit 37 obtains the overload feedback information of overload bit detection switch 38 Stirring is made to roll motor stopping.After overload when drive active oblique gear 332 to overload when rotating backward, overload bit set Active oblique gear 332 can reset under the action of spring 39.

Referring to Fig. 9, stomata shaping mechanism 14 include flat-rammer 141, stomata molding inserted link link 142, the first stomata into 143 and second stomata of type inserted link is molded inserted link 144.Flat-rammer 141 is equipped with hanger bracket 1411, the first pilot hole 1415 and second is led To hole 1416.Hanger bracket 1411 by air cylinder 1412 by being suspended in rack 11.Flat-rammer 141 is located at sand mold molding outline border 16 Surface.Flat-rammer 141 is equipped with plug hole building core avoid holes 1413.The same sand mo(u)ld of appearance profile shape of flat-rammer 141 It is molded the opening shape matching of outline border 16.It is equipped with and is located on stomata molding inserted link link at the hanger bracket 1411 of flat-rammer 141 The driving portion 1414 of side.Driving portion 1414 is located at the top of stomata molding inserted link link 142.1414 gentle hole forming of driving portion It is equipped between inserted link link 142 and is clamped with oval pinch roller 145.Stomata is molded inserted link link 142 by being lifted spring 146 It is supported on the top of flat-rammer 141.The 1414 gentle hole forming inserted link link 142 of driving portion under the action of spring 146 is lifted Clamp oval pinch roller 145.The upper end of second stomata molding inserted link 144 is connected to one with stomata molding inserted link link 142 It rises.The lower end of second stomata molding inserted link 144 is threaded through correspondingly in the second pilot hole 1416, the second gas during free state The lower end of hole forming inserted link 144 is contracted in the second pilot hole 1416.First pilot hole 1415 is lower end direction cast hole forming The inclined inclined hole of mode that core 13 is drawn close.First stomata molding inserted link 143 is threaded through in the first pilot hole 1415.Flat-rammer 141 and first stomata molding inserted link 143 between be equipped with the first stomata molding inserted link extract spring 147.First stomata is molded inserted link Extracting spring 147 drives the first stomata molding inserted link 143 to extract flat-rammer 141 upwards, during free state the molding of the first stomata insert The lower end of bar 143 is contracted in the first pilot hole 1415.The both ends of sand mold molding outline border 16 are designed with handle 161 and thread head 162.Handle 161 is threaded togather to be fixed on sand mo(u)ld with nut 4 after passing through the mounting hole on handle by thread head 162 It is molded on outline border 16.

Referring to Figure 10, the driving portion 1414 of hanger bracket 1421 is equipped with a pair of of riser item 1417.Riser item 1417 is equipped with along upper The limiting slot 1417 of lower direction extension.The both ends of the shaft 145 of oval pinch roller are corresponded to being threaded through a pair of of riser item In 1417 limiting slot 1417.

Referring to Figure 11, nut 4 includes collar nut ontology 41 and the internal thread 42 being arranged on nut body inner peripheral surface.Spiral shell The inner peripheral surface of maternal body 41 is equipped with two straight slots 43.Straight slot 43 extends to the other end from along axial one end of nut 4.Straight slot 43 Internal thread 42 is disconnected along the circumferential direction of nut body 41.431 rear thread of side side wall that nut body 41 is provided through straight slot connects The straight slot groove width adjusting screw 44 being connected on the opposite side side wall 432 of straight slot.Two straight slots 43 are equal along the circumferential direction of nut body 41 Even distribution.The peripheral surface of nut body 41 is cylindrical surface.The peripheral surface of nut body 41 is equipped with power-assisted slot 45.

Referring to Fig. 9 and 10, the process that the sand mo(u)ld in the present embodiment makes Mold Making sand mo(u)ld is:Lifting cylinder 121 drives The half that vehicle bridge model 12 rises to vehicle bridge model 12 stretches out sand mold molding bottom plate 15.Sand is put into sand mold molding bottom plate 15 and sand Required depth is arrived in the space that mold forming outline border 16 is surrounded.Flat-rammer 141 is lifted repeatedly by pressing air cylinder 1412, is pressed Sand plate 141 presses sand and is compacted sand.Oval pinch roller 145 is rotated when flat-rammer 141 is pressed on sand.Ellipse pressure Driving stomata molding inserted link link 142 moves down during 145 rotation of wheel, the result driving that stomata molding inserted link link 142 moves down 146 and first stomata of spring molding inserted link is lifted to extract 147 energy storage of spring and the first stomata is molded inserted link 143 and second Stomata molding inserted link 144 be inserted into sand so that the first stomata molding inserted link 143 abut to vehicle bridge model 12 and the second stomata into Type inserted link 144 abuts to plug hole building core 13 and forms vehicle bridge model not gas vent and cast hole portion gas vent.Plug hole Portion's gas vent is extended through out of sand mo(u)ld plug hole outside sand mo(u)ld.Oval pinch roller 145 is rotated further to initial position, is being lifted Second stomata molding inserted link 144 is extracted from sand mo(u)ld, extracts spring 147 in the first stomata molding inserted link under the action of spring 146 Under the action of the first stomata molding inserted link 143 extracted from sand mo(u)ld.By lifting stomata shaping mechanism 14 by air cylinder 1412.It is logical Cross lifting cylinder 121 shrink and so that vehicle bridge model 12 and plug hole building core 13 decline together and with sand core be detached from.Finally Sand mo(u)ld is shifted by sand mold molding outline border 16.

Embodiment two, the difference with embodiment one are：

Referring to Fig. 3, double end machine shaft vibration degree feedback mechanism 7 is further included.

The part that major diameter section 931 forms the wall of liquid outlet is equipped with several swirl vanes 934 circumferentially distributed along commutation plug. Eddy flow slot 935 is formed between adjacent swirl vane 934.

Commutation plug rotary electric machine 94 is equipped in even flow plate 92.Commutation plug rotary electric machine 94 is double end motor.Commutation plug rotation One head 941 of motor extends downwardly.One head 941 of commutation plug rotary electric machine is equipped with gear and connects block 942.Commutation plug rotary electric machine A head 941 pass through commutation plug 93 after link together with locking nut 943.941 He of a head of commutation plug rotary electric machine By being keyed driving torque together between commutation plug 93.Gear connect block 942 lock nut 943 clamp commutation plug 93 and Prevent commutation plug 93 from generating axial float.It is equipped between commutation plug 93 and even flow plate 92 and radially avoids gap 923.Commutation plug rotation Another head 946 of motor upwardly extends and through in pyramidal pits 921.Another head 946 of commutation plug rotary electric machine connects There are several stirring blades 944.Several stirring blades 944 are equipped with several elastomeric bristles 945 extending into via 922.Via 922 are equipped with along circumferential one end of pyramidal pits and let out dirty bar 924.

Double end machine shaft vibration degree feedback mechanism 7 includes projection plate 77, session 78 and laser tube 72.Projection plate 77 is located at Outside nozzle body 91, be specially be connected to commutation plug 93 lower end on.The perforation commutation of session 78 plug 93.The opening face of session 78 Product is 0.1 square millimeter.Laser tube 72 is fixed together with the shell of commutation plug rotary electric machine 94.The light that laser tube 72 is sent out is thrown The projected area of shadow to 78 upper ends of session, that is, arrival end is 0.1 square millimeter.The same center of light that session 78 and laser tube 72 are sent out Line.

In use, when the Oscillation Amplitude of commutation plug 94 shaft of rotary electric machine is located in setting range, laser tube 72 is sent out The light projection plate 77 that can continuously project and project from session 78 on.If the light projection that laser tube 72 is sent out is to projection plate Light on 77 without or generate and discontinuously then represent vibration to have exceeded range, bearing etc. that there may be wear damages.

Referring to Fig. 4, in use, stirring blade 944 is installed rotationally clockwise.It lets out dirty bar 924 and is located at via 922 along stirring Mix the front side of blade rotation direction.The end of elastomeric bristles 945 is provided with the front bending of stirring blade rotation direction Gib head 947.Elastomeric bristles 945 during via 922 by can extend into via 922.

Referring to Fig. 5, dirty bar 924 is let out with formation draw ring 925 between the wall of pyramidal pits 921.Elastomeric bristles 945 are by letting out dirt Gib head during bar 924 thereon can be hooked to draw ring 925.Laser tube 72 is connected to radiator 71, i.e., by radiator with the plug that commutates 94 cage connection of rotary electric machine is together.

Referring to Fig. 4 and Fig. 5, commutation plug rotary electric machine 94 plays stirring blade 944 and rotates during use, and elastomeric bristles 945 are stretched Enter to during via 922 to go out on the pollution hook that bonding is blocked in via, gib head lets out dirt by hooking draw ring 925 when letting out dirty bar 924 Bar 924 so that gib head generates elastic stretch and removing the dirt on gib head prevents from bringing into next via, and gib head, which is removed, to be let out It is formed by bending gib head again under elastic reaction on dirty bar 924.

Referring to Fig. 6, it is also associated with heating structure 73.

Radiator 71 is equipped with the laser tube pipe mounting hole 711 being connected together and heating structure mounting hole 712.Laser tube is pacified Dress hole 711 is circular hole.Heating structure mounting hole 712 is rectangular opening.Laser tube mounting hole 711 and heating structure mounting hole 712 pass through It is logical, the mode extending into heating structure mounting hole 712 of the circle specially where laser tube mounting hole 711 namely intersecting side Formula penetrates through.The extending direction namely depth direction of both laser tube mounting hole 711 and heating structure mounting holes 712 are identical, all for It vertically extends.

Laser tube pipe 72 is cylinder.Laser tube pipe 72 is equipped with power supply and introduces foot 721.

Heating structure 73 includes heat-conducting substrate 731 and the Chip-R 732 being arranged on heat-conducting substrate.Heat-conducting substrate 731 It is bonded in heating structure mounting hole 712 by heat-conducting glue 733 in a manner of horizontal.Heat-conducting substrate 731 is far from laser tube 72 Side is separated with the hole wall of heating structure mounting hole 712.Chip-R 732 is arranged on heat-conducting substrate 731 far from laser tube On 72 side.Heat-conducting substrate 731 is equipped with heat conducting sleeve 734.Heat-conducting substrate 731 and heat conducting sleeve 734 are integrally formed.Heat conducting sleeve 734 are threaded through in laser tube mounting hole 711.Laser tube 72 is worn and thermal conductivity is connected in heat conducting sleeve 734 and is suspended in sharp In light pipe mounting hole 711.The linear expansion coefficient of heat conducting sleeve 734 is more than the linear expansion coefficient of radiator 71, that is, expands with heat and contract with cold When heat conducting sleeve generate radial dimension of variable quantity be more than laser tube mounting hole generate radial dimension of variable quantity.Temperature is 25 DEG C or more when, heat conducting sleeve 734 abuts together with laser tube mounting hole 711 and realizes laser tube 72 with laser tube mounting hole 711 Indirect abut together.

In use, it is not powered namely not to Chip-R to heating structure 73 then when 72 temperature of laser tube is higher than 25 DEG C 732 are powered, and the radial direction of heat conducting sleeve 734 becomes largely becomes a large amount of more than the radial direction of laser tube mounting hole 711 so that heat conducting sleeve 734 is same Laser tube mounting hole 711 closely abuts together and carries out more good heat conduction.The heat that laser tube 72 generates leads to It crosses heat conducting sleeve and heat-conducting substrate 731 passes to radiator 71 and realizes heat dissipation.When 72 temperature of laser tube is less than 25 DEG C, to patch Resistance 732 is powered, Chip-R 732 generate heat transfer to heat-conducting substrate 731, into pass to laser tube 72 realize to swash Light pipe 72 be heated to temperature not less than 25 DEG C, and when temperature is less than 25 DEG C, the radial direction of heat conducting sleeve 734 becomes reduction volume more than sharp The radial direction reduction volume of light pipe mounting hole 711 so that heat conducting sleeve 734 generates gap between laser tube mounting hole 711, so as to play Reduce the effect that heat conducting sleeve 734 transfers heat to radiator 71 so that 734 heat conducting sleeve 734 of heat conducting sleeve transmits the heat energy of coming It is enough substantially more to pass to laser tube 72, so as to play the role of improving heating effect

Embodiment three, the difference with embodiment two are：

Referring to Fig. 7, one end of heat conducting sleeve 734 and one end of radiator 71 are all sealed against on sealing plate 74, i.e., heat conducting sleeve and Radiator can be slided relative to sealing plate 74.The other end of heat conducting sleeve 734 and the other end of radiator 71 are stored up by annular Liquid capsule 75 is sealed connected together.Equipped with insulation liquid, insulation liquid annular reservoir 75 is in annular reservoir 75 Elastic unfolded state.When temperature is less than 25 DEG C, shape between heat conducting sleeve 734, sealing plate 74, radiator 71 and annular reservoir 75 Into annular seal space 76.Annular seal space 76 is connected with annular reservoir 75.

Annular reservoir 75 is made to be located at the top of 75 annular seal space 76 of annular reservoir during use.Shrinkage is made when less than 25 DEG C With can cause between heat conducting sleeve and laser tube mounting hole generate gap and cause annular seal space 76 occurs, at this time gravity and annular storage Insulation liquid in the lower annular reservoir 75 of elastic shrinkage effect of liquid capsule is flowed in annular seal space 76, and playing further reduces heat conduction Set 734 passes to the amount of radiator 71 so that heating effect is further promoted.When temperature needs to dissipate higher than 25 DEG C or 30 DEG C When hot, pushed against between heat conducting sleeve and laser tube mounting hole together under heat expansion effect so that annular seal space 76 disappears, positioned at sealing Adiabatic liquid in chamber 76 is extruded in winding shape reservoir 75 and stores again.

Claims (10)

1. a kind of automotive axle foundry sand moulds producing device makes mold including sand mo(u)ld, the sand mo(u)ld makes mold and includes pouring Orifice building core, rack and vehicle bridge model, the rack are equipped with sand mold molding bottom plate and are shelved on sand mold molding bottom plate Sand mold molding outline border, which is characterized in that further include the sandbox set gradually, charger, stir roller and send sand pump, it is described Charger is used to the sand in sandbox being conveyed to stirring roller, and nozzle, the nozzle are equipped in the discharge port of the charger It is linked together by infusion pump with curing agent solution storage bin.

2. automotive axle foundry sand moulds producing device according to claim 1, which is characterized in that the nozzle includes column The nozzle body of shape structure, the nozzle body is interior to be equipped with runner, and the port of export of the runner is located on the end face of nozzle body, Even flow plate is equipped in the runner, the port of export of the runner is equipped with the commutation plug that inner end links together with even flow plate, described Commutation plug, which is located between the part in runner and nozzle body, forms hybrid channel, and the described one end of commutation plug far from even flow plate is set There are major diameter section, the major diameter section and nozzle body to be formed between the end face of the port of export of runner is set towards far from ring plug center line The annular liquid outlet of direction injection, the even flow plate is equipped with several connections hybrid channel and runner is located at that even flow plate is separate to be changed To the via of the part of plug side.

3. automotive axle foundry sand moulds producing device according to claim 2, which is characterized in that the even flow plate is separate One end of commutation plug is equipped with pyramidal pits, and the via is arranged in the pyramidal pits, and the even flow plate is the same as the nozzle sheet Body is fixed together, and the commutation plug is rotatably connected with the nozzle body, and the major diameter section forms the annular and goes out The part of the wall of liquid mouth is equipped with several swirl vanes circumferentially distributed along commutation plug, and eddy flow is formed between adjacent swirl vane Slot.

4. automotive axle foundry sand moulds producing device according to claim 3, which is characterized in that the even flow plate is equipped with Commutation plug rotary electric machine, the commutation plug rotary electric machine is double end motor, and the commutation plug is connected to the one of the double end motor On head, another head of the double end motor extend into the pyramidal pits and is connected with several stirring blades, described to stir Blade is mixed equipped with several elastomeric bristles extending into the via.

5. automotive axle foundry sand moulds producing device according to claim 4, which is characterized in that further include double end motor Shaft vibration degree feedback mechanism, the double end machine shaft vibration degree feedback mechanism include session, the laser tube of perforation commutation plug With the projection plate outside nozzle body, the light that the laser tube is sent out is irradiated through the session to the projection plate, described Laser tube with it is described commutation plug rotary electric machine cage connection together, the projected area for the light that the laser tube is sent out is less than 0.1 square millimeter, the opening area of the session is less than or equal to the projected area of light that the laser tube is sent out.

6. automotive axle foundry sand moulds producing device according to claim 1, which is characterized in that the stirring roller Including agitator, rolling wheel and stirring blade in agitator, shaft, drive shaft rotation stirring roll motor；Institute It states stirring blade to link together with the shaft, the wheel shaft of the rolling wheel links together with the shaft.

7. automotive axle foundry sand moulds producing device according to claim 6, which is characterized in that further include overload bit and set Determine spring, overload bit detection switch and control unit, the shaft is equipped with driven helical gear, and described stir rolls the dynamic of motor Active oblique gear is axially slidably arranged on power output shaft, the driven helical gear is engaged on one with active oblique gear It rises, rolled the power output of motor by overload bit setting spring supporting in the stirring at the both ends of the active oblique gear On axis, the location of active oblique gear is overload bit when the load that shaft is driven reaches setting upper limit value；The overload Whether position detection switch detection active oblique gear is located at overload bit；First control unit is used to examine when overload bit detection switch Measuring makes stirring roll motor stopping when active oblique gear is located at overload bit；When the active oblique gear is located at the overload bit, Active oblique gear and driven helical gear mesh together.

8. automotive axle foundry sand moulds producing device according to claim 1, which is characterized in that the sand mo(u)ld makes mould Tool further includes stomata shaping mechanism, and the vehicle bridge model is threaded through on the sand mold molding bottom plate, and the vehicle bridge model passes through liter Sending down abnormally ascending cylinder links together with the rack, the plug hole building core be truncated cone-shaped, the plug hole building core it is big Diameter end is fixed together with the vehicle bridge model, and the stomata shaping mechanism includes the first stomata of molding cast hole portion gas vent Inserted link is molded, cast hole portion gas vent is extended through out of sand mo(u)ld plug hole outside sand mo(u)ld.

9. automotive axle foundry sand moulds producing device according to claim 8, which is characterized in that the stomata molding machine Structure includes the flat-rammer pressed the sand in sand mold molding outline border by being suspended in rack by air cylinder and passes through lift Stomata molding inserted link link of the spring supporting above flat-rammer is risen, the stomata molding inserted link link is connected with the second gas Hole forming inserted link, the first stomata molding inserted link are obliquely threaded through on the flat-rammer, the flat-rammer and the first stomata The first stomata molding inserted link that the first stomata molding inserted link is driven to extract flat-rammer upwards is equipped between molding inserted link and extracts spring, The first stomata molding inserted link is molded inserted link link by the stomata and is pressed into sand mo(u)ld.

10. automotive axle foundry sand moulds producing device according to claim 1, which is characterized in that the sand mold molding Outline border is equipped with handle and thread head, and the handle with nut thread is connected to one after the mounting hole on handle is passed through by thread head It rises and is fixed together with sand mold molding outline border, the nut includes collar nut ontology and is arranged on nut body inner peripheral surface Internal thread, the inner peripheral surface of the nut body is equipped with the straight slot that the other end is extended to along one end of nut, and the straight slot will The internal thread is disconnected along the circumferential direction of nut body, and the side side wall rear thread that the nut body is provided through the straight slot connects The straight slot groove width adjusting screw being connected on the opposite side side wall of straight slot.