CN205254087U - Sand fallout device is used in wearing parts casting - Google Patents

Abstract

The utility model discloses a sand fallout device is used in wearing parts casting belongs to wearing parts casting equipment field. The utility model discloses a sand fallout device is used in wearing parts casting, this sand fallout device includes the conveyer trough, the solar apparatus further comprises a supporting mechanism, vibration mechanism and conveyer trough base, the conveyer trough passes through the supporting mechanism and installs on the conveyer trough base, the conveyer trough links to each other with vibration mechanism, this vibration mechanism is used for transporting the material input of the material in the conveyer trough from the conveyer trough to the material output vibration of conveyer trough, be equipped with the sieve in the conveyer trough, be equipped with the through -hole on this sieve, the aperture of this through -hole reduces to material output direction along the material input gradually. The utility model discloses be fit for going on big sand fallout operation in batches.

Description

A kind of wearing piece casting sand fallout device

Technical field

The utility model relates to wearing piece Casting Equipment field, more particularly, relates to a kind of wearing piece casting sand fallout device.

Background technology

Wearing piece is generally produced by the mode of casting, and common wearing piece is stirring vane, hollow abrading-ball etc. At present, V methodFoundry engieering is with its dry moulding, and pollution-free, low cost, surface finish of casting are good, accepted by vast casting producer. ButMolding sand after V method vacuum sealed molding knockout is easily sneaked into large granular impurity etc., and in next stage equipment course of conveying, institute makesWith jigging conveyer can not make impurity effectively be got rid of, easily make follow-up equipment stop up, thereby affect equipment operation, must notAdopted artificial separation, but efficiency is very low. For this reason, design a kind of can be in the time of vibrating transportation with the equipment of screening functionBe very important.

In prior art, flask overturning device is by after sandbox upset, and the foundry goods in sandbox and molding sand are generally undertaken by sand fallout deviceSeparate, common sand fallout device is vibratory shakeout machine, and vibratory shakeout machine is by the knockout of vibration realizing product, this equipment replacementThe Traditional Man trouble of beaing or clearing up with percussion drill sand. In prior art, have relevant technology about vibratory shakeout machineScheme is open, for example patent publication No.: CN202779717U, open day: on March 13rd, 2013, invention and created nameFor: a kind of novel sand casting product vibratory shakeout machine, this application case discloses a kind of novel sand casting product and has vibratedSand machine, comprises frame, in the gripper shoe of frame, is fixed with vibrating motor, is provided with revolution and supports in the gripper shoe in the left side of frameDevice, is provided with slewing reduction apparatus in the gripper shoe on the right side of frame, the middle part of slew gear above frame, and revolution is supportedThe axle that is rotatably connected of device is fixed on the left side of slew gear, and the reducing motor output shaft of slewing reduction apparatus is fixed on slew gearRight side, in frame, be fixed with sediment outflow funnel, sediment outflow funnel is the bottom to slew gear just; On the top board of slew gear, be fixed withPneumatic hammer, the bottom fixing frame of slew gear is fixed with product apparatus for placing, and put down facing to the thing of putting of product apparatus for placing at the top of pneumatic hammerPlatform. The vibratory shakeout machine of this application case can carry out product 360 ° of rotations and beat knockout, and can not make deformation of products, alsoCan carry out knockout by vibration, it greatly reduces cost of labor, has improved operating efficiency. But the vibration of this application case fallsSand machine is separately that a product carries out sand fallout and manufactures and designs, still cannot realize the requirement of carrying out in enormous quantities sand fallout operation,And the vibratory shakeout machine complex structure of this application case, manufacturing cost is higher.

In sum, how designing a kind of wearing piece casting that is applicable to carrying out sand fallout operation in enormous quantities and use sand fallout device, is existingIn technology, need a technical problem of solution badly.

Utility model content

1. the technical problem that utility model will solve

The purpose of this utility model is to overcome in prior art not enough, and a kind of wearing piece casting sand fallout device is provided, and is applicable toCarry out sand fallout operation in enormous quantities.

2. technical scheme

For achieving the above object, the technical scheme that the utility model provides is:

Wearing piece of the present utility model casting use sand fallout device, this sand fallout device comprise delivery chute, supporting mechanism, vibrating mechanism andDelivery chute base, described delivery chute is arranged on delivery chute base by supporting mechanism, and delivery chute is connected with vibrating mechanism, and this shakesActuation mechanism is used for the material in delivery chute to transport to the material output vibration of delivery chute from the material input of delivery chute, described inIn delivery chute, be provided with sieve plate, this sieve plate is provided with through hole, and the aperture of this through hole along material input to material output direction graduallyDwindle.

Further improve as the utility model, described supporting mechanism comprises support spring and connecting rod, and described support spring is wholeBody tilts to material output place direction, and this support spring one end is fixed on delivery chute base, and the support spring other end is fixedIn the bottom of delivery chute, described connecting rod one end is fixed on delivery chute base, and the connecting rod other end is fixed on the bottom of delivery chute, instituteState connecting rod and support spring is symmetrical set.

Further improve as the utility model, described supporting mechanism comprises the combination of at least two pairs of support springs and connecting rod,The combination of described at least two pairs of support springs and connecting rod is evenly distributed along the length direction of delivery chute bottom.

Further improve as the utility model, described vibrating mechanism comprises eccentric wheel, eccentric wheel rotating shaft, eccentric shaft bearingAnd motor, described motor is installed on delivery chute base, on the output shaft of this motor, output wheel is installed, and this output wheel passes through skinBand is connected with eccentric wheel; Described eccentric shaft bearing is arranged on delivery chute bottom, and eccentric wheel rotating shaft is installed on this eccentric shaft bearing,Described eccentric wheel is removably mounted in eccentric wheel rotating shaft.

Further improve as the utility model, described sieve plate is provided with block material plate along its width, this block material plate withThe inclination angle of support spring is identical.

Further improve as the utility model, the angle of described block material plate and vertical line is 30～45 °.

Further improve as the utility model, one end of described connecting rod is fixed on delivery chute base by damper.

Further improve as the utility model, described damper is rubber blanket.

Further improve as the utility model, described block material plate comprises the first block material plate and the second block material plate, described sieve plateThe upper direction along material input to material output is provided with the first block material plate, the second block material plate successively, described the first block material plate,The second block material plate is evenly distributed along the length direction of sieve plate.

Further improve through-hole aperture on the sieve plate between described material input and the first block material plate as the utility modelBe 5～10mm, on the sieve plate between the first block material plate and the second block material plate, through-hole aperture is 10～15mm, the second block material plate and thingOn sieve plate between material output, through-hole aperture is 15～20mm.

3. beneficial effect

The technical scheme that adopts the utility model to provide, compared with prior art, has following beneficial effect:

(1) sand fallout device of the present utility model, utilizes vibrating mechanism that the material in delivery chute is exported to material from material inputEnd vibration transport, molding sand slowly moves under the effect of directional vibration on sieve plate, is filtered on one side, and tiling is on one side come, and keeps awayExempted from because molding sand gathers the problem that affects sieve plate filter efficiency on the sieve plate below sandbox all the time, sieve plate is along on its widthBe provided with block material plate, block material plate mainly plays the function that stops that foundry goods moves, and be convenient to lifting machine convenience, in time foundry goods taken away,In sum, sand fallout device of the present utility model is applicable to carrying out sand fallout operation in enormous quantities.

(2) sand fallout device of the present utility model, on sieve plate, more, away from the position of material input place direction, material is upperThe time that face is vibrated is more of a specified duration, therefore on sieve plate, more away from the position of material input place direction, large granular impurity andOut-of-size molding sand is more easily shattered into granule and falls into below sieve plate, in the utility model, the through hole on sieve plate is establishedCount along material input and dwindle gradually to material output direction, can effectively avoid the appearance of the problems referred to above.

Brief description of the drawings

Fig. 1 is the main TV structure schematic diagram of embodiment cheek turning device, and wherein B place is the partial sectional view of sandbox cover;

Fig. 2 is the partial enlarged drawing at A place in Fig. 1;

Fig. 3 is the main TV structure schematic diagram of sand fallout device in embodiment.

Label declaration in accompanying drawing:

1, turning arm; 101, the first sensor block; 102, the second sensor block; 103, the 3rd sensor block; 104, rotating shaft; 105,Rotating disc; 106, entablature; 107, sill; 108, turning arm pulley; 109, sandbox cover; 2, frame; 201, senseInductive switch; 202, telescopic arm base; 3, telescopic arm; 401, push arm; 402, pushing arm; 5, base; 501, basePulley; 6, sandbox; 601, cross slider; 7, sand fallout device; 701, delivery chute; 702, delivery chute base; 703, sieve plate;704, eccentric wheel; 705, motor; 706, support spring; 707, connecting rod; 708, damper; 709, block material plate; 710,Eccentric wheel rotating shaft; 711, material input; 712, material output.

Detailed description of the invention

For further understanding content of the present utility model, in conjunction with the accompanying drawings and embodiments the utility model is described in detail.

Embodiment 1

In conjunction with Fig. 1～3, the mould turnover sand fallout system for wearing piece casting of the present embodiment, comprises flask overturning device and sand fallout device 7.Flask overturning device comprises turning arm 1, frame 2, telescopic arm 3, base 5 and sandbox 6, and frame 2 is fixed on base 5,Turning arm 1 is hinged in frame 2, and telescopic arm 3 is connected with turning arm 1, and this telescopic arm 3 is for promoting turning arm 1 with rotationArm 1 is that rotate in the center of circle with the pin joint of frame 2, and turning arm 1 is for installing sandbox 6. The present embodiment cheek turning device toolBody is: turning arm 1 comprises the sandbox cover 109 on top and the turning arm main body of bottom, and turning arm main body comprises a lower shoe and oneSide plate, the lower end of side plate is vertically connected on lower shoe, and the upper end of side plate is connected on sandbox cover 109, and this sandbox cover 109 isThe passage of up/down perforation; Frame 2 bottoms are provided with telescopic arm base 202, and telescopic arm 3 one end are hinged on telescopic arm base 202Upper, telescopic arm 3 other ends are hinged on the upper end of side plate, and in the present embodiment, telescopic arm 3 is hydraulic cylinder, and this hydraulic cylinder is secondaryHydraulic cylinder, promotes in telescopic arm 3 rotation processes at two-stage hydraulic cylinder, by controlling this two-stage hydraulic cylinder in not elongation in the same timeSpeed, makes telescopic arm 3 in rotation process, follow " first quick and back slow " principle, the quick rotation of " first fast " stage telescopic arm 3Can make molding sand in sandbox 6 more, in sandbox 6, pour out faster the slow rotation of " slow afterwards " stage telescopic arm 3, energyThe sandbox 6 of enough avoiding loading molding sand and foundry goods is because of from great, and inertia is large, and the rotation that can not fix a point to stop telescopic arm 3 causesSafety problem, has guaranteed safety in production. Rotating shaft 104 is installed in frame 2, and sandbox cover 109 rotates by rotating shaft 104Be connected in frame 2; On rotating shaft 104, be fixed with rotating disc 105, on these rotating disc 105 outer surfaces, sensor block be installed,In frame 2, be fixed with inductive switch 201, this inductive switch 201 is just to rotating disc 105 outer surfaces, inductive switch 201 with stretchThe control module of contracting arm 3 connects, and in the present embodiment, inductive switch 201 can be optoelectronic induction quick closing valve, can be also contact-making switch,Inductive switch 201 can be controlled elongating or shortening of telescopic arm 3; In the present embodiment, sensor block comprises along rotating disc 105 circumferentialThe first sensor block 101, the second sensor block 102 and the 3rd sensor block 103 of arranging, before turning arm 1 starts to rotate, with rotating shaft104 locas are that the central angle of center of circle inductive switch 201 positions and the first sensor block 101 positions is 105 °, inductionThe central angle of switch 201 positions and the second sensor block 102 positions is 120 °, inductive switch 201 positions andThe central angle of three sensor block 103 positions is 135 °. On the forward and backward outer wall of sandbox 6, be equipped with cross slider 601, sandbox coverOn 109 forward and backward inwall, be provided with respectively entablature 106 and sill 107, entablature 106 is parallel up and down with sill 107Arrange, form the track sliding for cross slider 601 between the two, one end sealing of this track, to guarantee that cross slider 601 can notSkid off entablature 106 and lower between the track that forms, guarantee that sandbox 6 is arranged on turning arm 1 reliably. Flask overturning deviceAlso comprise and push arm 401 and pushing arm 402, push arm 401 for sandbox 6 is pushed to turning arm 1 from base 5, push awayGo out arm 402 for sandbox 6 is pushed out to base 5 from turning arm 1, in the present embodiment, push arm 401 and pushing arm 402Be cylinder. Uniform turning arm pulley 108 on the lower shoe of turning arm main body, on the base 5 of placement sandbox 6, uniform base is slidingWheel 501, before turning arm 1 starts to rotate, turning arm pulley 108 is positioned at same level with base pulley 501, so that sandCase 6 is free to slide between turning arm pulley 108 and base pulley 501. Before turning arm 1 starts to rotate, sandbox cover 109Upper end tilts to the below away from sand fallout device 7 one sides, is convenient to sandbox 6 and is lifted the time of falling sand, and molding sand and foundry goods are along sandThe higher side in case cover 109 upper ends is swung to sand fallout device 7.

Sand fallout device 7 is positioned at a side of flask overturning device, and this sand fallout device 7 comprises delivery chute 701, supporting mechanism, vibrationMechanism and delivery chute base 702, delivery chute 701 is arranged on delivery chute base 702 by supporting mechanism, delivery chute 701 withVibrating mechanism is connected, and this vibrating mechanism is used for the material in delivery chute 701 from the material input 711 of delivery chute 701 to defeatedSend the material output 712 vibration transports of groove 701, be provided with sieve plate 703 in delivery chute 701, this sieve plate 703 is provided with through hole,The aperture of this through hole dwindles to material output 712 directions gradually along material input 711. Sand fallout device 7 tools in the present embodimentBody is: supporting mechanism comprises support spring 706 and connecting rod 707, and support spring 706 entirety are to material output 712 place sidesTo inclination, these support spring 706 one end are fixed on delivery chute base 702, and support spring 706 other ends are fixed on delivery chute701 bottom; In order to reduce the noise producing in vibration processes, connecting rod 707 one end are fixed on delivery chute by damper 708On base 702, in the present embodiment, damper 708 is the rubber blanket that 15cm is thick, and rubber blanket plays slow to connecting rod 707 on the one handPunching effect, has protected connecting rod 707, has absorbed on the other hand the noise sending on connecting rod 707, has improved working environment, this realityExecute in example, main support spring 706 and the connecting rod 707 of relying on of delivery chute 701 is supported on delivery chute base 702, support spring706 mainly play delivery chute 701 are vibrated along a certain fixed-direction (being elongation and the compression direction of support spring 706),Thereby make the material in delivery chute 701 that directed conveying occur, be specially: the molding sand in sandbox 6 is from the material of delivery chute 701Input 711 is during to one end of sieve plate 703, and molding sand can slowly move to the other end of sieve plate 703 under the effect of directional vibrationMoving, in molding sand moving process, be filtered on one side, tiling is on one side come, and has avoided because of the molding sand sieve plate 703 below sandbox 6 all the timeOn gather and affect the problem of sieve plate 703 filter efficiencies, and the large granular impurity staying after sieve plate 703 filters and size are notQualified molding sand is delivered to one end centralized recovery processing away from sandbox 6 on sieve plate 703 automatically, and the qualified molding sand of size is at sieve plateReclaim by belt conveyor 703 below; Connecting rod 707 other ends are fixed on the bottom of delivery chute 701, connecting rod 707 withSupport spring 706 is symmetrical set, because connecting rod 707 is a straight-bar, and slab structure relatively, the elasticity of straight-bar is better,Be more suitable for as the support member in vibration processes. In the present embodiment, supporting mechanism comprises four pairs of support springs 706 and connecting rod 707Combination, the combination of the four pairs of support springs 706 and connecting rod 707 is evenly distributed along the length direction of delivery chute 701 bottoms, canStably delivery chute 701 is played a supporting role, wherein, the combination of a pair of support spring 706 and connecting rod 707 comprises that left and right is rightThe support spring 706 and the connecting rod 707 that claim. Vibrating mechanism comprises eccentric wheel 704, eccentric wheel rotating shaft 710, eccentric wheelBearing and motor 705, motor 705 is installed on delivery chute base 702, on the output shaft of this motor 705, output wheel is installed,This output wheel is connected with eccentric wheel 704 by belt; Eccentric shaft bearing is arranged on delivery chute 701 bottoms, on this eccentric shaft bearingEccentric wheel rotating shaft 710 is installed, and eccentric wheel 704 is removably mounted in eccentric wheel rotating shaft 710, bobbing machine in prior artThe Oscillation Amplitude of structure can not regulate mostly, and in the present embodiment, because eccentric wheel 704 is removably mounted on eccentric wheel rotating shaft 710Above, therefore can regulate easily by changing the eccentric wheels 704 of different sizes the Oscillation Amplitude of vibrating mechanism, meet actual lifeThe different demands of producing. Sieve plate 703 is provided with block material plate 709 along its width, block material plate 709 mainly play stop foundry goods withThe directional vibration of delivery chute 701 and to the function moving away from the direction of sandbox 6, be convenient to lifting machine convenience, will cast in timePart is taken away, and the simultaneously setting of block material plate 709 can not hinder again the movement of molding sand, therefore in the present embodiment, block material plate 709 withThe inclination angle of support spring 706 is identical, and block material plate 709 is 30～45 ° (in concrete the present embodiment, getting 30 °) with the angle of vertical line, gearIt is identical that thing plate 709 and the inclination angle of support spring 706 arrange, and block material plate 709 is set to 30～45 ° with the angle of vertical line have been guaranteedBlock material plate 709 can stop the movement of foundry goods effectively, can make again molding sand successfully cross block material plate 709; In order to ensure stoppingThe effect that foundry goods moves, block material plate 709 comprises the first block material plate and the second block material plate, on sieve plate 703 along material input 711Be provided with successively the first block material plate, the second block material plate to the direction of material output 712, the first block material plate, the second block material plate are along sieveThe length direction of plate 703 is evenly distributed, and on the sieve plate 703 between material input 711 and the first block material plate, through-hole aperture is5～10mm (getting 5mm in concrete the present embodiment), on the sieve plate 703 between the first block material plate and the second block material plate, through-hole aperture is10～15mm (getting 10mm in concrete the present embodiment), through hole on the sieve plate 703 between the second block material plate and material output 712Aperture is 15～20mm (getting 15mm in concrete the present embodiment), on sieve plate 703, more away from material input 711 place sidesTo position, the time that material is vibrated is in the above more of a specified duration, therefore on sieve plate 703, more away from material input 711 placesThe position of direction, large granular impurity is more easily shattered into granule with out-of-size molding sand and falls into sieve plate 703 belows,In the present embodiment by the via design on sieve plate 703 for to dwindle gradually along material input 711 to material output 712 directions,Can effectively avoid the appearance of the problems referred to above.

In the present embodiment, drive delivery chute 701 to vibrate along a direction by vibrating mechanism, thereby make on sieve plate 703Molding sand molding sand is filtered when there is directed conveying, thereby effectively remove the impurity of sneaking in molding sand, avoid adopting peopleWork point from, improved production efficiency.

The mould turnover sand fallout system for wearing piece casting of the present embodiment, its use procedure is as follows: as shown in Figure 1, after moulding by castingSandbox 6 is transported on base 5, and sandbox 6 slides to arrive along base pulley 501 and revolves under the lasting promotion that pushes arm 401On turning arm pulley 108 in pivoted arm main body, sandbox 6 continues to slide to the side plate of turning arm main body on turning arm pulley 108,Now the cross slider 601 on the forward and backward outer wall of sandbox 6 slips between the interior entablature 106 of sandbox cover 109 and sill 107 and formsTrack, until the bottom surface of sandbox 6 is positioned on the lower shoe of turning arm main body completely, now sandbox 6 is installed in turning arm 1On; Then, telescopic arm 3 starts to extend, and promotes turning arm 1 and slowly rises and keep rotating, because rotating shaft 104 is with flexibleArm 3 is connected, and therefore rotating shaft 104 rotates along with the rotation of turning arm 1 keeps synchronous, and as shown in Figure 2, rotating shaft 104 turnsIn moving process, rotating disc 105 synchronously rotates, and rotating disc 105 rotates 105 °, 120 ° and 135 ° successively, above-mentioned three anglesFor three limit points of turning arm 1 rotational angle, make inductive switch 201 sense successively the first sensor block 101, the second senseAnswer piece 102 and the 3rd sensor block 103, in the time that inductive switch 201 senses the first sensor block 101, inductive switch 201 is controlledTelescopic arm 3 stops extending and keeps continuing to extend after 2min, in the time that inductive switch 201 senses the second sensor block 102, and inductionSwitch 201 is controlled telescopic arm 3 and is stopped extending and keep continuing to extend after 1min, when inductive switch 201 senses the 3rd sensor block103 o'clock, inductive switch 201 was controlled telescopic arm 3 and is stopped extending and keep starting to shrink after 5min, and turning arm 1 is turned back toHome position, wherein: when turning arm 1 rotates 105 ° and keep after 2min, the molding sand in sandbox 6 is approximately eliminated 70%, whenTurning arm 1 rotates 120 ° and keep after 1min, and the molding sand in sandbox 6 is approximately eliminated 90%, when turning arm 1 rotates 135 ° alsoKeep after 5min, the molding sand in sandbox 6 is completely removed; Turning arm 1 is turned back to behind home position, and sandbox 6 is at pushing armUnder 402 lasting promotion, in turning arm 1, slide into base 5, be then transported to away.

As shown in Figure 3, sandbox 6 is along with in turning arm 1 rotation process, and the molding sand in sandbox 6 and foundry goods leave from sandbox 6Mouth is poured the material input 711 of sand fallout device 7 into along sandbox cover 109, molding sand and foundry goods are inputted along material on sieve plate 703The end 711 vibration transports of the directions to material output 712, it is loose and on sieve plate 703 that vibration transportation Sand is shakenThrough hole falls into sieve plate 703 belows and collects, foundry goods by the first block material plate, the second block material plate resistance gear and by lifting machine from carryingIn groove 701, take away.

Flask overturning device in the present embodiment, turning arm 1 is propped up rotation by the elongation of telescopic arm 3, passes through inductive switch201 respectively with the induction of the first sensor block 101, the second sensor block 102 and the 3rd sensor block 103, control 1 point of turning arm three timesRotate, allow 6 points of three mould turnovers of sandbox, avoid in sandbox 6 switching processes occurring that because continuing upset moment falls the situation of sand,Ensure safe and reliable in sandbox 6 switching processes, the molding sand in sandbox 6 all can have been removed again; Sandbox of the prior artTurning device is side turn over substantially, from the side of sandbox 6, sandbox 6 is overturn, although this upset mode is simple to operateBut be difficult to ensure disposable by whole the molding sand in sandbox 6 evacuation, increased the workload of follow-up artificial sand removal, and this enforcementFlask overturning device in example, promotes turning arm 1 by telescopic arm 3 and does circle taking turning arm 1 and the pin joint of frame 2 as the center of circleRevolution, is tilted to down the whole upper shed of sandbox 6, can ensure disposable by whole the molding sand in sandbox 6 evacuation,Reduce labor workload, and rotated power abundance, sandbox 6 owing to adopting hydraulic cylinder (telescopic arm 3) to promote turning arm 1Angle of inclination is large, accurate positioning, compares the side turn over flask overturning device of existing use reducing motor, on average saves energy consumption 30%.

Sand fallout device 7 in the present embodiment, utilize vibrating mechanism by the material in delivery chute 701 from material input 711 to thingThe 712 vibration transports of material output, molding sand slowly moves under the effect of directional vibration on sieve plate 703, is filtered one on one sideLimit tiling is come, and having avoided affects sieve plate 703 filter efficiencies because molding sand gathers on the sieve plate 703 below sandbox 6 all the timeProblem, sieve plate 703 is provided with block material plate 709 along its width, and block material plate 709 mainly plays the function that stops that foundry goods moves,Be convenient to lifting machine convenience, in time foundry goods taken away, in sum, the sand fallout device 7 in the present embodiment is applicable to carrying out in enormous quantitiesSand fallout operation.

Embodiment 2

The mould turnover sand fallout system for wearing piece casting of the present embodiment, its structure is substantially the same manner as Example 1, and its difference is:In flask overturning device, push arm 401 and pushing arm 402 is hydraulic cylinder;

In sand fallout device 7, block material plate 709 is 45 ° with the angle of vertical line; Between material input 711 and the first block material plateOn sieve plate 703, through-hole aperture is 10mm, and on the sieve plate 703 between the first block material plate and the second block material plate, through-hole aperture is 15mm,On sieve plate 703 between the second block material plate and material output 712, through-hole aperture is 20mm.

Embodiment 3

The mould turnover sand fallout system for wearing piece casting of the present embodiment, its structure is substantially the same manner as Example 1, and its difference is:In order to ensure not sneaking into short grained metal impurities in the molding sand being recovered, above material input 711, be provided with magnetic separator, magneticSelect machine for the molding sand entering in delivery chute 701 is carried out to magnetic separation processing, remove the metal impurities of molding sand small particles; In order to changeKind on-the-spot working environment, avoids air pollution, is also provided with dust shield above delivery chute 701, and it is defeated that dust shield plays absorptionSend the effect of groove 701 top dust laden airs, not only heat is large for the foundry goods of simultaneously just having cast, but also can give out, some are poisonousPernicious gas, arranges dust shield and also plays the effect that toxic and harmful is taken away.

Below schematically the utility model and embodiment thereof are described, this description does not have restricted, shown in accompanying drawingBe also one of embodiment of the present utility model, actual structure is not limited to this. So, if this area is commonTechnical staff is enlightened by it, in the situation that not departing from the utility model creation aim, designs and this technology without creationaryThe frame mode that scheme is similar and embodiment, all should belong to protection domain of the present utility model.

Claims (10)

1. a wearing piece casting sand fallout device, it is characterized in that: this sand fallout device (7) comprises delivery chute (701), supporting mechanism, vibrating mechanism and delivery chute base (702), described delivery chute (701) is arranged on delivery chute base (702) by supporting mechanism, delivery chute (701) is connected with vibrating mechanism, this vibrating mechanism is for transporting from the material input (711) of delivery chute (701) material in delivery chute (701) to material output (712) vibration of delivery chute (701), in described delivery chute (701), be provided with sieve plate (703), this sieve plate (703) is provided with through hole, the aperture of this through hole dwindles to material output (712) direction gradually along material input (711).

2. wearing piece casting sand fallout device according to claim 1, it is characterized in that: described supporting mechanism comprises support spring (706) and connecting rod (707), described support spring (706) entirety tilts to material output (712) place direction, this support spring (706) one end is fixed on delivery chute base (702), support spring (706) other end is fixed on the bottom of delivery chute (701), described connecting rod (707) one end is fixed on delivery chute base (702), connecting rod (707) other end is fixed on the bottom of delivery chute (701), described connecting rod (707) is symmetrical set with support spring (706).

3. wearing piece casting sand fallout device according to claim 2, it is characterized in that: described supporting mechanism comprises the combination of at least two pairs of support springs (706) and connecting rod (707), the combination of described at least two pairs of support springs (706) and connecting rod (707) is evenly distributed along the length direction of delivery chute (701) bottom.

4. wearing piece casting sand fallout device according to claim 3, it is characterized in that: described vibrating mechanism comprises eccentric wheel (704), eccentric wheel rotating shaft (710), eccentric shaft bearing and motor (705), described motor (705) is installed on delivery chute base (702), on the output shaft of this motor (705), output wheel is installed, this output wheel is connected with eccentric wheel (704) by belt; Described eccentric shaft bearing is arranged on delivery chute (701) bottom, and eccentric wheel rotating shaft (710) is installed on this eccentric shaft bearing, and described eccentric wheel (704) is removably mounted in eccentric wheel rotating shaft (710).

5. wearing piece casting sand fallout device according to claim 2, it is characterized in that: described sieve plate (703) is provided with block material plate (709) along its width, this block material plate (709) is identical with the inclination angle of support spring (706).

6. sand fallout device is used in wearing piece casting according to claim 5, it is characterized in that: described block material plate (709) is 30～45 ° with the angle of vertical line.

7. sand fallout device is used in wearing piece casting according to claim 5, it is characterized in that: one end of described connecting rod (707) is fixed on delivery chute base (702) by damper (708).

8. sand fallout device is used in wearing piece casting according to claim 7, it is characterized in that: described damper (708) is rubber blanket.

9. wearing piece casting sand fallout device according to claim 7, it is characterized in that: described block material plate (709) comprises the first block material plate and the second block material plate, upper the first block material plate, the second block material plate of being provided with successively along material input (711) to the direction of material output (712) of described sieve plate (703), described the first block material plate, the second block material plate are evenly distributed along the length direction of sieve plate (703).

10. wearing piece casting sand fallout device according to claim 9, it is characterized in that: the upper through-hole aperture of sieve plate (703) between described material input (711) and the first block material plate is 5～10mm, the upper through-hole aperture of sieve plate (703) between the first block material plate and the second block material plate is 10～15mm, and the upper through-hole aperture of sieve plate (703) between the second block material plate and material output (712) is 15～20mm.