CN205254048U - Wearing parts casting is with mould turnover sand fallout system - Google Patents

Abstract

The utility model discloses a wearing parts casting is with mould turnover sand fallout system belongs to wearing parts casting equipment field. The utility model discloses a sand box turning device and sand fallout device, sand box turning device includes swinging boom, frame, flexible arm, base and sand box, and on the frame was fixed in the base, the swinging boom hinged in the frame, and flexible arm and swivel arm, the arm that should stretch out and draw back are used for promoting the swinging boom and use the swinging boom and the pin joint of frame to rotate as the centre of a circle, the swinging boom is used for installing the sand box, the sand fallout unit bit includes conveyer trough, supporting mechanism, vibration mechanism and conveyer trough base in one side of sand box turning device, this sand fallout device, and the conveyer trough passes through the supporting mechanism to be installed on the conveyer trough base, and the conveyer trough links to each other with vibration mechanism, should vibrate the mechanism and be used for the material in the conveyer trough from the material input of the conveyer trough material output vibration transportation to the conveyer trough. The utility model discloses realized mainly that safe and reliable carries out the function of sand box upset operation, and be fit for going on big sand fallout operation in batches.

Description

A kind of mould turnover sand fallout system for wearing piece casting

Technical field

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

Background technology

Wearing piece is generally produced by the mode of casting, and common wearing piece is stirring vane, hollow abrading-ball etc. In Foundry Production, the method for sandbox upset is varied, is broadly divided into two large classes: unsettled upset and ground upset. For unsettled upset, need to adopt tipper by unsettled its sandbox, and then realize its upset, and for thicker or larger foundry goods in matched moulds process when mould turnover, because sandbox size is larger, tipper chain is easily pulled off, and has larger potential safety hazard.

Easily be pulled off in order to solve tipper chain, there is the problem of larger potential safety hazard, in prior art, existing related art scheme is open, for example Granted publication number is CN203221185U, Granted publication day is the utility model patent on October 2nd, 2013, this application case discloses a kind of sandbox switching mechanism, the both ends of sandbox are provided with hanger, switching mechanism comprises for by the unsettled sandbox balance suspender of slinging, for driving the sprocket transmission device of sandbox upset, balance suspender comprises balance cross bar, link, sprocket transmission device comprises sprocket wheel and chain, sprocket wheel comprises sprocket holder, being arranged on can be around the sprocket shaft of Pivot Point Center line rotation in sprocket holder, be fixed on the sprocket body on sprocket shaft, chain is set on sprocket body and hanger, sprocket body is polygonal body shape, and the cross section perpendicular to horizontal direction of sprocket body is polygon, be equipped with on the whole groove on every limit of polygon, groove all can be meshed with chain, and in multiple grooves, have at least three grooves to be meshed with chain. the stress in this application case, chain being subject to decomposes, and makes chain be difficult for being pulled off, and reduces the potential safety hazard of sandbox upset, is meshed by chain with the groove of sprocket body simultaneously, improves the stability of sandbox upset. but the sandbox switching mechanism of this application case, its structure is too complicated, drives process more complicated, and need to carry out handling sandbox with sandbox handling appliance, exists larger potential safety hazard, has also increased the equipment investment cost of enterprise simultaneously.

In prior art, also there is the traditional flask overturning device that does not adopt chain, this tradition flask overturning device, its structure comprises: base, sandbox upset power set and be movably arranged on the rollover stand on base by the trip shaft that is arranged on its bottom, the sandbox upset output shaft of power set and one end of trip shaft are connected, and are provided with sand box locking device on rollover stand. Wherein, sandbox upset power set are generally reducing motor, the flip angle of this traditional flask overturning device is controlled by reducing motor completely, and the reliability of reducing motor is lower, once reducing motor occurs abnormal, with regard to uncontrollable flip angle, thereby causes rollover stand rotational angle excessive, cause sandbox impaired, have larger potential safety hazard.

In sum, how designing a kind of safe and reliable wearing piece sand box used for casting turning device, is a technical problem needing solution in prior art badly.

At present, V method foundry engieering is with its dry moulding, and pollution-free, low cost, surface finish of casting are good, accepted by vast casting producer. But the molding sand after V method vacuum sealed molding knockout is easily sneaked into large granular impurity etc., in next stage equipment course of conveying, the jigging conveyer using can not make impurity effectively be got rid of, easily make follow-up equipment stop up, thereby affect equipment operation, have no alternative but adopt artificial separation, but efficiency is very low. For this reason, design a kind of can being very important by the equipment with screening function in the time of vibrating transportation.

In prior art, flask overturning device is by after sandbox upset, foundry goods in sandbox generally separates by sand fallout device with molding sand, common sand fallout device is vibratory shakeout machine, vibratory shakeout machine is by the knockout of vibration realizing product, this equipment replacement the Traditional Man trouble of beaing or clearing up with percussion drill sand. open about the existing relevant technical scheme of vibratory shakeout machine in prior art, for example patent publication No.: CN202779717U, open day: on March 13rd, 2013, invention and created name is: a kind of novel sand casting product vibratory shakeout machine, this application case discloses a kind of novel sand casting product vibratory shakeout machine, comprise frame, in the gripper shoe of frame, be fixed with vibrating motor, in the gripper shoe in the left side of frame, be provided with slewing supporting device, in the gripper shoe on the right side of frame, be provided with slewing reduction apparatus, the middle part of slew gear above frame, the axle that is rotatably connected of slewing supporting device is fixed on the left side of slew gear, the reducing motor output shaft of slewing reduction apparatus is fixed on the right side of slew gear, 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 with pneumatic hammer, the bottom fixing frame of slew gear is fixed with product apparatus for placing, and thing platform is put facing to product apparatus for placing in the top of pneumatic hammer. 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, also can carry out knockout by vibration, and it greatly reduces cost of labor, has improved operating efficiency. but the vibratory shakeout machine of this application case is separately a product to carry 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 another technical problem of needing solution in prior art 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 mould turnover sand fallout system is provided, and has mainly realized safe and reliable function of carrying out sandbox turning operation, and has been applicable to carrying out sand fallout operation in enormous quantities.

2. technical scheme

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

Mould turnover sand fallout system for wearing piece casting of the present utility model, comprises flask overturning device and sand fallout device;

Described flask overturning device comprises turning arm, frame, telescopic arm, base and sandbox, described frame is fixed on base, described turning arm is hinged in frame, and described telescopic arm is connected with turning arm, and this telescopic arm rotates as the center of circle taking the pin joint of turning arm and frame for promoting turning arm; Described turning arm is used for installing sandbox;

Described sand fallout device is positioned at a side of flask overturning device, this sand fallout device comprises delivery chute, supporting mechanism, vibrating mechanism and delivery chute base, described delivery chute is arranged on delivery chute base by supporting mechanism, delivery chute is connected with vibrating mechanism, this vibrating mechanism is for transporting from the material input of delivery chute the material in delivery chute to the material output vibration of delivery chute, in described delivery chute, be provided with sieve plate, this sieve plate is provided with through hole, and the aperture of this through hole dwindles to material output direction gradually along material input.

Further improve as the utility model, in described flask overturning device, described turning arm comprises the sandbox cover on top and the turning arm main body of bottom, described turning arm main body comprises a lower shoe and side plate, the lower end of described side plate is vertically connected on lower shoe, the upper end of described side plate is connected on sandbox cover, the passage that this sandbox cover is up/down perforation; In described frame, rotating shaft is installed, described sandbox cover is rotatably connected in frame by rotating shaft;

In described sand fallout device, described supporting mechanism comprises support spring and connecting rod, described support spring entirety tilts to material output place direction, this support spring one end is fixed on delivery chute base, the support spring other end is fixed on 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, and described connecting rod and support spring are symmetrical set.

Further improve as the utility model, in described flask overturning device, on described rotating shaft, be fixed with rotating disc, on this rotating disc outer surface, sensor block is installed, in described frame, be fixed with inductive switch, this inductive switch is just to rotating disc outer surface, and inductive switch is connected with the control module of telescopic arm;

In described sand fallout device, described supporting mechanism comprises the combination of at least two pairs of support springs and connecting rod, and 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, in described flask overturning device, described sensor block comprises the first sensor block, the second sensor block and the 3rd sensor block that are circumferentially arranged along rotating disc, before described turning arm starts to rotate, the central angle taking rotating shaft loca as inductive switch position, the center of circle and the first sensor block position as the central angle of 105 °, inductive switch position and the second sensor block position as 120 °, inductive switch position and the central angle of the 3rd sensor block position as 135 °;

In described sand fallout device, described vibrating mechanism comprises eccentric wheel, eccentric wheel rotating shaft, eccentric shaft bearing and motor, and described motor is installed on delivery chute base, on the output shaft of this motor, output wheel is installed, and this output wheel is connected with eccentric wheel by belt; Described eccentric shaft bearing is arranged on delivery chute bottom, and eccentric wheel rotating shaft is installed on this eccentric shaft bearing, and described eccentric wheel is removably mounted in eccentric wheel rotating shaft.

Further improve as the utility model, in described flask overturning device, on the forward and backward outer wall of described sandbox, be equipped with cross slider, on the forward and backward inwall of described sandbox cover, be provided with respectively entablature and sill, described entablature and sill be arranged in parallel up and down, between the two, form the track sliding for cross slider, one end sealing of this track;

In described sand fallout device, described sieve plate is provided with block material plate along its width, and this block material plate is identical with the inclination angle of support spring.

Further improve as the utility model, in described flask overturning device, uniform turning arm pulley on the lower shoe of described turning arm main body, uniform base pulley on the base of placement sandbox, before described turning arm starts to rotate, described turning arm pulley and base pulley are positioned at same level;

In described sand fallout device, the angle of described block material plate and vertical line is 30～45 °.

Further improve as the utility model, described flask overturning device also comprises and pushes arm and pushing arm, described in push arm for sandbox is pushed to turning arm from base, described pushing arm is for being pushed out to base by sandbox from turning arm;

In described sand fallout device, one end of described connecting rod is fixed on delivery chute base by damper.

Further improve as the utility model, in described flask overturning device, described frame lower is provided with telescopic arm base, and described telescopic arm one end is hinged on telescopic arm base, and the telescopic arm other end is hinged on the upper end of described side plate;

In described sand fallout device, described damper is rubber blanket.

Further improve as the utility model, in described flask overturning device, described in push arm and pushing arm is cylinder or hydraulic cylinder, described telescopic arm is hydraulic cylinder;

In described sand fallout device, described block material plate comprises the first block material plate and the second block material plate, direction along material input to material output on described sieve plate is provided with the first block material plate, the second block material plate successively, and described the first block material plate, the second block material plate are evenly distributed along the length direction of sieve plate.

Further improve as the utility model, in described flask overturning device, before described turning arm starts to rotate, the upper end of described sandbox cover tilts to the below away from sand fallout device one side;

In described sand fallout device, on sieve plate between described material input and the first block material plate, through-hole aperture is 5～10mm, on sieve plate between the first block material plate and the second block material plate, through-hole aperture is 10～15mm, and on the sieve plate between the second block material plate and 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) flask overturning device in the utility model, turning arm is propped up rotation by the elongation of telescopic arm, by inductive switch respectively with the induction of the first sensor block, the second sensor block and the 3rd sensor block, control turning arm and divide three rotations, avoid in sandbox switching process occurring that because continuing upset moment falls the situation of sand, ensure safe and reliable in sandbox switching process, the molding sand in sandbox all can have been removed again.

(2) flask overturning device of the prior art is side turn over substantially, from the side of sandbox, sandbox is overturn, but although this upset mode simple to operate be difficult to ensure disposable by whole the molding sand in sandbox evacuation, increase the workload of follow-up artificial sand removal, and flask overturning device in the utility model, promote turning arm by telescopic arm and do circular-rotation taking the pin joint of turning arm and frame as the center of circle, the whole upper shed of sandbox is tilted to down, can ensure disposable by whole the molding sand in sandbox evacuation, reduce labor workload, and owing to adopting Hydraulic Cylinder turning arm to rotate, power abundance, sandbox angle of inclination is large, accurate positioning, compare the side turn over flask overturning device of existing use reducing motor, the average energy consumption 30% of saving.

(3) the sand fallout device in the utility model, utilize vibrating mechanism the material in delivery chute to be vibrated to transport from material input to material output, molding sand slowly moves under the effect of directional vibration on sieve plate, be filtered on one side, tiling is on one side come, avoid on the sieve plate below sandbox, gathering the problem that affects sieve plate filter efficiency all the time because of molding sand, sieve plate is provided with block material plate along its width, block material plate mainly plays the function that stops that foundry goods moves, be convenient to lifting machine convenient, in time foundry goods is taken away, in sum, sand fallout device in the utility model is applicable to carrying out sand fallout operation in enormous quantities.

(4) the sand fallout device in the utility model, on sieve plate, get over the position away from material input place direction, the time that material is vibrated is in the above more of a specified duration, therefore on sieve plate, get over the position away from material input place direction, large granular impurity is more easily shattered into granule and falls into below sieve plate with out-of-size molding sand, in the utility model by the via design on sieve plate for to dwindle gradually along material input 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, inductive switch; 202, telescopic arm base; 3, telescopic arm; 401, push arm; 402, pushing arm; 5, base; 501, base pulley; 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, frame 2 is fixed on base 5, turning arm 1 is hinged in frame 2, telescopic arm 3 is connected with turning arm 1, this telescopic arm 3 rotates as the center of circle taking turning arm 1 and the pin joint of frame 2 for promoting turning arm 1, and turning arm 1 is for installing sandbox 6. the present embodiment cheek turning device is specially: turning arm 1 comprises the sandbox cover 109 on top and the turning arm main body of bottom, turning arm main body comprises a lower shoe and side plate, the lower end of side plate is vertically connected on lower shoe, the upper end of side plate is connected on sandbox cover 109, the passage that this sandbox cover 109 is up/down perforation, frame 2 bottoms are provided with telescopic arm base 202, telescopic arm 3 one end are hinged on telescopic arm base 202, telescopic arm 3 other ends are hinged on the upper end of side plate, in the present embodiment, telescopic arm 3 is hydraulic cylinder, and this hydraulic cylinder is two-stage hydraulic cylinder, promote in telescopic arm 3 rotation processes at two-stage hydraulic cylinder, by controlling this two-stage hydraulic cylinder in elongation speed in the same time not, make telescopic arm 3 in rotation process, follow " first quick and back slow " principle, the quick rotation of " first fast " stage telescopic arm 3 can make the molding sand in sandbox 6 more, in sandbox 6, pour out faster, the slow rotation of " slow afterwards " stage telescopic arm 3, the sandbox 6 that can avoid loading molding sand and foundry goods is because of from great, inertia is large, the safety problem that can not fix a point to stop the rotation of telescopic arm 3 and cause, guarantee safety in production. rotating shaft 104 is installed in frame 2, and sandbox cover 109 is rotatably connected in frame 2 by rotating shaft 104, on rotating shaft 104, be fixed with rotating disc 105, on these rotating disc 105 outer surfaces, sensor block is 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 is connected with the control module of telescopic arm 3, in the present embodiment, inductive switch 201 can be optoelectronic induction quick closing valve, can be also contact-making switch, and inductive switch 201 can be controlled elongating or shortening of telescopic arm 3, in the present embodiment, sensor block comprises the first sensor block 101, the second sensor block 102 and the 3rd sensor block 103 that are circumferentially arranged along rotating disc 105, before turning arm 1 starts to rotate, taking rotating shaft 104 locas as center of circle inductive switch 201 positions and the central angle of the first sensor block 101 positions as the central angle of 105 °, inductive switch 201 positions and the second sensor block 102 positions as 120 °, inductive switch 201 positions and the central angle of the 3rd sensor block 103 positions as 135 °. on the forward and backward outer wall of sandbox 6, be equipped with cross slider 601, on the forward and backward inwall of sandbox cover 109, be provided with respectively entablature 106 and sill 107, entablature 106 and sill 107 be arranged in parallel up and down, between the two, form the track sliding for cross slider 601, one end sealing of this track, with guarantee cross slider 601 can not skid off entablature 106 and lower between the track that forms, guarantee that sandbox 6 is arranged on turning arm 1 reliably. flask overturning device also comprises and pushes arm 401 and pushing arm 402, push arm 401 for sandbox 6 is pushed to turning arm 1 from base 5, pushing arm 402 is for being pushed out to base 5 by sandbox 6 from turning arm 1, pushes arm 401 and pushing arm 402 is cylinder in the present embodiment. uniform turning arm pulley 108 on the lower shoe of turning arm main body, uniform base pulley 501 on the base 5 of placement sandbox 6, before turning arm 1 starts to rotate, turning arm pulley 108 is positioned at same level with base pulley 501, so that sandbox 6 is free to slide between turning arm pulley 108 and base pulley 501. before turning arm 1 starts to rotate, the upper end of sandbox cover 109 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 swung to sand fallout device 7 along the higher side in sandbox cover 109 upper ends.

Sand fallout device 7 is positioned at a side of flask overturning device, this sand fallout device 7 comprises delivery chute 701, supporting mechanism, vibrating mechanism and delivery chute base 702, 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 vibrating transport from the material input 711 of delivery chute 701 to the material output 712 of delivery chute 701 by the material in delivery chute 701, in 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 directions gradually along material input 711. in the present embodiment, sand fallout device 7 is specially: supporting mechanism comprises support spring 706 and connecting rod 707, support spring 706 entirety tilt to material output 712 place directions, these support spring 706 one end are fixed on delivery chute base 702, and support spring 706 other ends are fixed on the bottom of delivery chute 701, in order to reduce the noise producing in vibration processes, connecting rod 707 one end are fixed on delivery chute base 702 by damper 708, in the present embodiment, damper 708 is the rubber blanket that 15cm is thick, rubber blanket plays cushioning effect to connecting rod 707 on the one hand, protect connecting rod 707, absorb on the other hand the noise sending on connecting rod 707, improve working environment, in the present embodiment, main support spring 706 and the connecting rod 707 of relying on of delivery chute 701 is supported on delivery chute base 702, support spring 706 mainly plays delivery chute 701 is 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 input 711 of delivery chute 701 during to one end of sieve plate 703, molding sand can slowly move to the other end of sieve plate 703 under the effect of directional vibration, in molding sand moving process, be filtered on one side, tiling is on one side come, avoid on the sieve plate 703 below sandbox 6, gathering the problem that affects sieve plate 703 filter efficiencies all the time because of molding sand, and the large granular impurity and the out-of-size molding sand that after sieve plate 703 filters, stay are delivered to one end centralized recovery processing away from sandbox 6 on sieve plate 703 automatically, the molding sand that size is qualified reclaims by belt conveyor below sieve plate 703, connecting rod 707 other ends are fixed on the bottom of delivery chute 701, and connecting rod 707 is symmetrical set with support spring 706, because connecting rod 707 is a straight-bar, and slab structure relatively, the elasticity of straight-bar is better, is more suitable for as the support member in vibration processes. in the present embodiment, supporting mechanism comprises the combination of four pairs of support springs 706 and connecting rod 707, 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, can stably play a supporting role to delivery chute 701, wherein, the combination of a pair of support spring 706 and connecting rod 707 comprises a symmetrical support spring 706 and a connecting rod 707. vibrating mechanism comprises eccentric wheel 704, eccentric wheel rotating shaft 710, eccentric shaft bearing and motor 705, and motor 705 is installed on delivery chute base 702, on the output shaft of this motor 705, output wheel is installed, and this output wheel is connected with eccentric wheel 704 by belt, eccentric shaft bearing is arranged on delivery chute 701 bottoms, eccentric wheel rotating shaft 710 is installed on this eccentric shaft bearing, eccentric wheel 704 is removably mounted in eccentric wheel rotating shaft 710, in prior art, the Oscillation Amplitude of vibrating mechanism can not regulate mostly, and in the present embodiment, because eccentric wheel 704 is removably mounted in eccentric wheel rotating shaft 710, therefore can regulate easily by changing the eccentric wheel 704 of different sizes the Oscillation Amplitude of vibrating mechanism, meet the different demands of actual production. sieve plate 703 is provided with block material plate 709 along its width, block material plate 709 mainly play stop foundry goods along with the directional vibration of delivery chute 701 to the function moving away from the direction of sandbox 6, be convenient to lifting machine convenient, in time foundry goods is taken away, the setting of block material plate 709 simultaneously can not hinder again the movement of molding sand, therefore in the present embodiment, block material plate 709 is identical with the inclination angle of support spring 706, block material plate 709 is 30～45 ° (in concrete the present embodiment, getting 30 °) with the angle of vertical line, block material plate 709 arranges identical with the inclination angle of support spring 706, block material plate 709 is set to 30～45 ° with the angle of vertical line and has guaranteed that block 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 the effect that stops that foundry goods moves, block material plate 709 comprises the first block material plate and the second block material plate, direction along material input 711 to material output 712 on sieve plate 703 is provided with the first block material plate successively, the second block material plate, the first block material plate, the second block material plate is evenly distributed along the length direction of sieve plate 703, on sieve plate 703 between material input 711 and the first block material plate, through-hole aperture is 5～10mm (getting 5mm in concrete the present embodiment), on sieve plate 703 between the first block material plate and the second block material plate, through-hole aperture is 10～15mm (getting 10mm in concrete the present embodiment), on sieve plate 703 between the second block material plate and material output 712, through-hole aperture is 15～20mm (getting 15mm in concrete the present embodiment), on sieve plate 703, get over the position away from material input 711 place directions, the time that material is vibrated is in the above more of a specified duration, therefore on sieve plate 703, get over the position away from material input 711 place directions, large granular impurity is more easily shattered into granule and falls into sieve plate 703 belows with out-of-size molding sand, 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 the molding sand on sieve plate 703 occur when orientation is carried molding sand to filter, thereby effectively remove the impurity of sneaking in molding sand, avoid adopting artificial separation, improved production efficiency.

The using method of mould turnover sand fallout system for the wearing piece casting of the present embodiment, comprise the steps: step 1, sandbox 6 is installed: as shown in Figure 1, sandbox 6 after moulding by casting is transported on base 5, sandbox 6 slides and arrives on the turning arm pulley 108 in turning arm main body along base pulley 501 under the lasting promotion that pushes arm 401, sandbox 6 continues to slide to the side plate of turning arm main body on turning arm pulley 108, now before sandbox 6, cross slider 601 on rear outer wall slips into the track forming between the interior entablature 106 of sandbox cover 109 and sill 107, until the bottom surface of sandbox 6 is positioned on the lower shoe of turning arm main body completely, now sandbox 6 is installed on turning arm 1, step 2, turning arm 1 rotates: then, telescopic arm 3 starts to extend, promoting turning arm 1 slowly rises and keeps rotating, because rotating shaft 104 and telescopic arm 3 are connected, therefore rotating shaft 104 rotates along with the rotation of turning arm 1 keeps synchronous, as shown in Figure 2, in rotating shaft 104 rotation processes, rotating disc 105 synchronously rotates, rotating disc 105 rotates 105 ° successively, 120 ° and 135 °, above-mentioned three angles are three limit points of turning arm 1 rotational angle, make inductive switch 201 sense successively the first sensor block 101, the second sensor block 102 and the 3rd sensor block 103, in the time that inductive switch 201 senses the first sensor block 101, inductive switch 201 is controlled telescopic arm 3 and is stopped extending and keep continuing to extend after 2min, in the time that inductive switch 201 senses the second sensor block 102, inductive switch 201 is controlled telescopic arm 3 and is stopped extending and keep continuing to extend after 1min, in the time that inductive switch 201 senses the 3rd sensor block 103, inductive switch 201 is controlled telescopic arm 3 and is stopped extending and keep starting to shrink after 5min, make turning arm 1 be turned back to home position, wherein: when turning arm 1 rotates 105 ° and keep after 2min, molding sand in sandbox 6 is approximately eliminated 70%, when turning arm 1 rotates 120 ° and keep after 1min, molding sand in sandbox 6 is approximately eliminated 90%, when turning arm 1 rotates 135 ° and keep after 5min, molding sand in sandbox 6 is completely removed, turning arm 1 is turned back to behind home position, and sandbox 6 slides into base 5 under the lasting promotion of pushing arm 402 in turning arm 1, is then transported to away.

Step 3, shake out: as shown in Figure 3, sandbox 6 is along with in turning arm 1 rotation process, molding sand in sandbox 6 and foundry goods are poured the material input 711 of sand fallout device 7 into along sandbox cover 109 from the upper shed of sandbox 6, molding sand and foundry goods be the vibration of the direction along material input 711 to material output 712 transport on sieve plate 703, the vibration transportation Sand through hole loose and on sieve plate 703 that shaken falls into sieve plate 703 belows and collects, and foundry goods is by the first block material plate, the second block material plate resistance gear and take away in delivery chute 701 by lifting machine.

Flask overturning device in the present embodiment, turning arm 1 is propped up rotation by the elongation of telescopic arm 3, by inductive switch 201 respectively with the induction of the first sensor block 101, the second sensor block 102 and the 3rd sensor block 103, controlling 1 point of turning arm rotates for three times, 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, ensured safe and reliable in sandbox 6 switching processes, the molding sand in sandbox 6 all can be removed again, flask overturning device of the prior art is side turn over substantially, from the side of sandbox 6, sandbox 6 is overturn, but although this upset mode simple to operate be difficult to ensure disposable by whole the molding sand in sandbox 6 evacuation, increase the workload of follow-up artificial sand removal, and flask overturning device in the present embodiment, promote turning arm 1 by telescopic arm 3 and do circular-rotation taking turning arm 1 and the pin joint of frame 2 as the center of circle, the whole upper shed of sandbox 6 is tilted to down, can ensure disposable by whole the molding sand in sandbox 6 evacuation, reduce labor workload, and rotate owing to adopting hydraulic cylinder (telescopic arm 3) to promote turning arm 1, power abundance, sandbox 6 angles of inclination are large, accurate positioning, compare the side turn over flask overturning device of existing use reducing motor, the average energy consumption 30% of saving.

Sand fallout device 7 in the present embodiment, utilize vibrating mechanism that the material in delivery chute 701 is vibrated to transport from material input 711 to material output 712, molding sand slowly moves under the effect of directional vibration on sieve plate 703, be filtered on one side, tiling is on one side come, avoid on the sieve plate 703 below sandbox 6, gathering the problem that affects sieve plate 703 filter efficiencies all the time because of molding sand, sieve plate 703 is provided with block material plate 709 along its width, block material plate 709 mainly plays the function that stops that foundry goods moves, be convenient to lifting machine convenient, in time foundry goods is taken away, in sum, sand fallout device 7 in the present embodiment is applicable to carrying out sand fallout operation in enormous quantities.

Embodiment 2

Mould turnover sand fallout system for the 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; On sieve plate 703 between material input 711 and the first block material plate, through-hole aperture is 10mm, on sieve plate 703 between the first block material plate and the second block material plate, through-hole aperture is 15mm, and on the 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, 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, magnetic separator, for the molding sand entering in delivery chute 701 is carried out to magnetic separation processing, is removed the metal impurities of molding sand small particles; In order to improve on-the-spot working environment, avoid air pollution, above delivery chute 701, be also provided with dust shield, dust shield plays the effect that absorbs delivery chute 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 toxic and harmfuls, dust shield is set 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, and shown in accompanying drawing is also one of embodiment of the present utility model, and actual structure is not limited to this. So, if those of ordinary skill in the art is enlightened by it, in the situation that not departing from the utility model creation aim, without the creationary frame mode similar to this technical scheme and the embodiment of designing, all should belong to protection domain of the present utility model.

Claims (10)

1. a mould turnover sand fallout system for wearing piece casting, is characterized in that: comprise flask overturning device and sand fallout device (7);

Described flask overturning device comprises turning arm (1), frame (2), telescopic arm (3), base (5) and sandbox (6), described frame (2) is fixed on base (5), described turning arm (1) is hinged in frame (2), described telescopic arm (3) is connected with turning arm (1), and this telescopic arm (3) rotates as the center of circle taking turning arm (1) and the pin joint of frame (2) for promoting turning arm (1); Described turning arm (1) is for installing sandbox (6);

Described sand fallout device (7) is positioned at a side of flask overturning device, 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 mould turnover sand fallout system according to claim 1, is characterized in that:

In described flask overturning device, described turning arm (1) comprises the sandbox cover (109) on top and the turning arm main body of bottom, described turning arm main body comprises a lower shoe and side plate, the lower end of described side plate is vertically connected on lower shoe, it is upper that the upper end of described side plate is connected in sandbox cover (109), the passage that this sandbox cover (109) is up/down perforation; Rotating shaft (104) is installed in described frame (2), and described sandbox cover (109) is rotatably connected in frame (2) by rotating shaft (104);

In described sand fallout device (7), 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 mould turnover sand fallout system according to claim 2, is characterized in that:

In described flask overturning device, on described rotating shaft (104), be fixed with rotating disc (105), on this rotating disc (105) outer surface, sensor block is installed, in described frame (2), be fixed with inductive switch (201), this inductive switch (201) is just to rotating disc (105) outer surface, and inductive switch (201) is connected with the control module of telescopic arm (3);

In described sand fallout device (7), described supporting mechanism comprises the combination of at least two pairs of support springs (706) and connecting rod (707), and 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 mould turnover sand fallout system according to claim 3, is characterized in that:

In described flask overturning device, described sensor block comprises the first sensor block (101) being circumferentially arranged along rotating disc (105), the second sensor block (102) and the 3rd sensor block (103), before described turning arm (1) starts to rotate, taking rotating shaft (104) loca as center of circle inductive switch (201) position and the central angle of the first sensor block (101) position as 105 °, the central angle of inductive switch (201) position and the second sensor block (102) position is 120 °, the central angle of inductive switch (201) position and the 3rd sensor block (103) position is 135 °,

In described sand fallout device (7), 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 mould turnover sand fallout system according to claim 2, is characterized in that:

In described flask overturning device, on the forward and backward outer wall of described sandbox (6), be equipped with cross slider (601), on the forward and backward inwall of described sandbox cover (109), be provided with respectively entablature (106) and sill (107), described entablature (106) and sill (107) be arranged in parallel up and down, between the two, form the track sliding for cross slider (601), one end sealing of this track;

In described sand fallout device (7), described sieve plate (703) is provided with block material plate (709) along its width, and this block material plate (709) is identical with the inclination angle of support spring (706).

6. wearing piece casting mould turnover sand fallout system according to claim 5, is characterized in that:

In described flask overturning device, uniform turning arm pulley (108) on the lower shoe of described turning arm main body, place the upper uniform base pulley (501) of base (5) of sandbox (6), before described turning arm (1) starts to rotate, described turning arm pulley (108) is positioned at same level with base pulley (501);

In described sand fallout device (7), described block material plate (709) is 30～45 ° with the angle of vertical line.

7. wearing piece casting mould turnover sand fallout system according to claim 5, is characterized in that:

Described flask overturning device also comprises and pushes arm (401) and pushing arm (402), the described arm (401) that pushes is for sandbox (6) is pushed to turning arm (1) from base (5), and described pushing arm (402) is for being pushed out to base (5) by sandbox (6) from turning arm (1);

In described sand fallout device (7), one end of described connecting rod (707) is fixed on delivery chute base (702) by damper (708).

8. wearing piece casting mould turnover sand fallout system according to claim 7, is characterized in that:

In described flask overturning device, described frame (2) bottom is provided with telescopic arm base (202), it is upper that described telescopic arm (3) one end is hinged on telescopic arm base (202), and telescopic arm (3) other end is hinged on the upper end of described side plate;

In described sand fallout device (7), described damper (708) is rubber blanket.

9. wearing piece casting mould turnover sand fallout system according to claim 7, is characterized in that:

In described flask overturning device, described in push arm (401) and pushing arm (402) is cylinder or hydraulic cylinder, described telescopic arm (3) is hydraulic cylinder;

In described sand fallout device (7), 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 mould turnover sand fallout system according to claim 9, is characterized in that:

In described flask overturning device, before described turning arm (1) starts to rotate, the upper end of described sandbox cover (109) tilts to the below away from sand fallout device (7) one sides;

In described sand fallout device (7), 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.