CN109014028A - A kind of antiquated sand regenerating unit - Google Patents

Abstract

The present invention relates to cast waste sand recovery technology fields, more particularly to a kind of antiquated sand regenerating unit, vibration agitating device including secondary connection arrangement, shaking-sieving device, and cleaning device, wherein: vibration agitating device includes the first staving, stirring rod, first sand inlet, first sand export, strainer, and vibration driving device, first staving is horizontally disposed, stirring rod and the first staving are coaxially rotatably disposed in the first staving, the top opening of first staving forms the first sand inlet, the bottom opening of first staving forms the first sand export, strainer is arranged at the first sand export, drive arrangement is shaken in the side of the first staving and is fixedly connected with the first staving；Shaking-sieving device and cleaning device are sequentially arranged in the downstream of vibration agitating device.Antiquated sand regenerating unit of the invention, antiquated sand derusting effect is good, and the antiquated sand rate of recovery is high；Antiquated sand recovery efficiency is high, can be used for the processing of high-volume antiquated sand；Structure compact and reasonable arrangement, occupies little space.

Description

A waste sand regeneration device

technical field

The invention relates to the technical field of casting waste sand recovery, in particular to a waste sand regeneration device.

Background technique

With the rapid development of social economy and the rapid development of industry, the demand for castings of non-ferrous metals, iron and steel has increased accordingly, and the output of castings in my country has also gradually increased. At present, the total annual output of castings in my country ranks among the top in the world. Most of the castings of non-ferrous metals, iron and steel are cast by sand casting method. This casting method will produce a large amount of waste sand after casting non-ferrous metals, iron and steel into shaped castings. At present, except for a small amount of waste sand, which can be recycled , most of the waste sand is directly discarded, resulting in a large waste of resources.

However, the traditional waste sand regeneration device can only meet a small amount of waste sand regeneration, which is far from meeting the production requirements; moreover, the existing waste sand regeneration device usually only recycles waste sand through simple stirring and screening. The rust removal effect is not good, and the recovery rate of waste sand is low.

Contents of the invention

The object of the present invention is to provide a waste sand regeneration device with good derusting effect on the surface of waste sand, high recovery rate, large batch recovery of waste sand and compact structure.

In order to achieve the above object, the present invention provides a waste sand regeneration device, which includes a vibrating stirring device, a vibrating screening device, and a cleaning device arranged in sequence, wherein: the vibrating stirring device includes a first barrel, a stirring rod, a first The sand inlet, the first sand outlet, the filter screen, and the vibration drive device, the first barrel body is arranged horizontally, the stirring rod is coaxially rotated and arranged in the first barrel body, and the top of the first barrel body The opening forms the first sand inlet, the bottom opening of the first barrel forms the first sand outlet, the filter screen is arranged at the first sand outlet, the vibration driving device is arranged on one side of the first barrel and The body is fixedly connected; the vibrating screening device and the cleaning device are sequentially arranged downstream of the vibrating stirring device.

Further, a winch conveying device is arranged between the vibration stirring device and the vibrating screening device, and the winch conveying device includes a second barrel, a winch conveying shaft, a second sand inlet, and a second sand outlet, wherein : The second barrel is horizontally arranged below the vibration stirring device, and the inner wall of the second barrel is provided with a frosted layer; the winch wheel conveying shaft is arranged in the second barrel and is coaxial with the second barrel; the second sand input The mouth is located on one side of the top of the second barrel and arranged up and down relative to the first sand outlet; the second sand outlet is located at the end of the second barrel away from the second sand inlet; the first sand outlet and The second sand inlet is connected.

Further, the vibrating screening device includes a third barrel, a vibrating screen, a third sand inlet, and a third sand outlet, wherein: the third barrel is vertically arranged where the second sand outlet of the winch conveying device is located Below one end; the vibrating screen is tilted and movable arranged in the third barrel; the top opening of the third barrel forms the third sand inlet; the third sand outlet is located on the side wall of the third barrel corresponding to the lowest position of the vibrating screen .

Further, the cleaning device includes a sand washing storage box, a fourth barrel, a winch lifting shaft, a fourth sand inlet, and a fourth sand outlet, wherein: the sand washing storage box is arranged below the winch conveying device and its top is The opening communicates with the vibrating screening device; the fourth barrel is vertically arranged in the sand washing container, and the lower end of the fourth barrel is circumferentially opened with a number of through holes to form the fourth sand inlet; the fourth sand outlet is located in the fourth barrel on the upper side wall.

Further, the vibration driving device includes a fifth barrel, a shock buffer, an L-shaped connecting rod, an eccentric wheel, and a cross bar, wherein: the fifth barrel is arranged vertically and fixedly; the shock buffer is located in the fifth barrel and its bottom One end of the connecting rod is fixed to the bottom surface of the fifth barrel; one end of the L-shaped connecting rod presses down on the top of the vibration buffer, and the other end is fixedly connected to the first barrel; the eccentric wheel is connected to the side wall of the fifth barrel through a rotating shaft; the cross bar The first bucket body is fixedly connected horizontally, and the lower side of the cross bar is against the eccentric wheel.

Further, the vibration driving device further includes a bump, and the bump is fixedly arranged on the lower side of the cross bar corresponding to the eccentric wheel, and the cross bar abuts against the eccentric wheel through the bump.

Further, the first sand outlet is communicated with the second sand inlet through funnels and hoses arranged in sequence.

Further, a number of steel balls are scattered on the screen of the first barrel.

Further, one side of the bottom end of the first barrel communicates with an impurity outlet pipeline.

Further, the fourth sand outlet is connected with a U-shaped sand outlet, wherein: several fans are arranged along the upper opening of the U-shaped sand outlet; a sand box is arranged at the end of the U-shaped sand outlet.

A waste sand regeneration device of the present invention has the following beneficial effects:

1. The waste sand regeneration device of the present invention is equipped with a vibration stirring device. While stirring the waste sand, the vibration stirring device drives the first barrel through the vibration drive device to drive the stirring rod and the waste sand in the first barrel to reciprocate and vibrate together. In this way, the vibration and stirring of the waste sand is realized, and the collision probability between the waste sand and the waste sand and between the waste sand and the stirring rod is greatly increased, so that the surface rust removal effect of the waste sand is better, and the recovery quality of the waste sand is higher. .

2. The waste sand regeneration device of the present invention is also equipped with a winch conveying device, and realizes the waste sand is transmitted between the vibration stirring device and the vibration screening device, and at the same time, the waste sand is stirred again, and the surface of the waste sand is further removed by collision and friction. Rust; In addition, the inner wall of the second barrel is provided with a frosted layer, and the rust removal effect is better when the waste sand collides with the frosted layer.

3. The vibration driving device of the vibration stirring device of the present invention includes a fifth barrel body, a shock buffer, an L-shaped connecting rod, an eccentric wheel, and a cross bar, and the reciprocating up and down vibration of the first barrel body is realized through the rotation of the eccentric wheel. Simple, stable operation and higher safety performance.

4. The vertical arrangement of the cleaning device of the present invention increases the washing time of waste sand to a certain extent, so that the washing effect of waste sand is better and the effect of removing impurities is better.

5. The fourth sand outlet of the cleaning device of the present invention is connected with a U-shaped sand outlet, and a number of blowers are arranged along the upper opening of the U-shaped sand outlet to air-dry the washed waste sand, which is convenient for subsequent waste. The sand is collected and reused to prevent the waste sand from rusting again.

6. The waste sand regeneration device of the present invention rationally arranges the relative positions of the vibration stirring device, winch conveying device, vibration screening device, and cleaning device, so that the structure of the waste sand regeneration device is more compact and the occupied area is smaller.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the accompanying drawings that need to be used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is the structural representation of waste sand recycling device of the present invention;

Fig. 2 is a partial enlarged structural schematic diagram of the cleaning device of the waste sand regeneration device of the present invention;

In the figure: 11-first barrel, 12-stirrer, 13-first sand inlet, 14-first sand outlet, 15-filter, 161-fifth barrel, 162-vibration buffer, 163 -L-shaped connecting rod, 164-eccentric wheel, 165-crossbar, 166-slider, 167-bump, 17-steel ball, 18-impurity outlet pipe, 181-cover, 21-second barrel, 22 - winch wheel conveying shaft, 23-second sand inlet, 24-second sand outlet, 31-third barrel, 32-vibrating screen, 321-vibrator, 322-vibrating screen limiting device, 323-piston , 324-spring, 325-box, 33-third sand inlet, 34-third sand outlet, 35-miscellaneous pipeline, 36-slope block, 41-sand washing container, 42-fourth barrel Body, 43-winding wheel lifting shaft, 44-the fourth sand inlet, 45-the fourth sand outlet, 5-base, 6-funnel, 7-hose, 81-U-type sand outlet plate, 82-fan, 9-Connect sand box, 10-Control panel;

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

As shown in Figure 1, a waste sand regeneration device according to an embodiment of the present invention includes a vibrating stirring device, a vibrating screening device, and a cleaning device arranged in sequence, wherein: the vibrating stirring device includes a first barrel body 11, a stirring rod 12. The first sand inlet 13, the first sand outlet 14, the filter screen 15, and the vibration drive device, the first barrel body 11 is arranged horizontally, and the stirring rod 12 is arranged coaxially with the first barrel body 11 to rotate on the second In a barrel body 11, the top opening of the first barrel body 11 forms the first sand inlet port 13, the bottom opening of the first barrel body 11 forms the first sand outlet port 14, and the filter screen 15 is arranged at the first sand outlet port 14 The vibration driving device is arranged on one side of the first bucket body 11 and is fixedly connected with the first bucket body 11; the vibration screening device and the cleaning device are sequentially arranged downstream of the vibration stirring device.

Specifically, the waste sand regeneration device of the present invention can be provided with a base 5 for carrying and installing various functional devices. The first barrel body 11 is preferably a cylindrical barrel body, and of course it can also be a barrel body with other cross-sections, but its inner cavity should be guaranteed to be a cylindrical inner cavity; the first barrel body 11 is arranged horizontally, that is, the central axis of the inner cavity is horizontal. Stirring rod 12 is mainly used for stirring and breaking up waste sand and derusting by collision friction; one end of stirring rod 12 is suspended in the air; A motor for driving the stirring rod 12 to rotate is fixedly arranged; certainly in order to increase the friction between the stirring rod 12 and the waste sand, the outer surface of the stirring rod 12 can also be provided with a frosted surface; in addition, in order to realize the replaceability of the stirring rod 12, The rod and the shaft of the stirring rod 12 can be assembled in a detachable connection mode. The top of the upper side wall of the first barrel body 11 has a first sand inlet 13 of a certain size, which is used for the continuous filling and supply of waste sand. The supply of a piece of waste sand can also be determined by those skilled in the art according to the actual situation; the bottom of the lower side wall of the first barrel body 11 has a first sand outlet 14 of a certain size, which is used for stirring, pulverizing and derusting the waste sand. Continuous discharge of sand. In order to prevent the waste sand from being discharged through the first sand outlet 14 without stirring, a filter screen 15 is arranged at the first sand outlet 14. The aperture of the filter screen 15 can be determined according to the actual situation. The filter screen 15 enters the downstream device to continue processing. The vibration driving device is mainly used to drive the first barrel body 11 to drive the stirring rod 12 and the waste sand in the first barrel body 11 to vibrate together, and at the same time to support the first barrel body 11. The vibration driving device is fixedly arranged on the base 5, Refer to Figure 1 for the specific location. In the waste sand regeneration device of the present invention, the waste sand is stirred and derusted by the vibrating stirring device, the impurities are vibrated and screened by the vibrating screening device, and the cleaning device is further washed to remove impurities, thereby realizing the recovery of the waste sand.

The waste sand regeneration device of the present invention is equipped with a vibrating stirring device, and the vibrating stirring device drives the first barrel body 11 through the vibration driving device to drive the stirring rod 12 and the waste sand in the first barrel body 11 to reciprocate together while stirring the waste sand Vibration, thereby realizing the vibration and stirring of the waste sand, greatly increasing the collision probability between the waste sand and the waste sand and between the waste sand and the stirring rod 12, so that the rust removal effect on the surface of the waste sand is better, and the recovery of the waste sand The quality is higher; at the same time, the vibration and agitation also shortens the processing time of the waste sand, and the efficiency is higher; in addition, the waste sand regeneration device of the present invention can also realize the large-scale processing of the waste sand, which can better meet the actual needs of production.

Furthermore, a number of steel balls 17 are scattered on the filter screen 15 of the first bucket body 11, mainly for increasing the collision rate of waste sand and breaking up large pieces of waste sand.

Further, one side of the bottom of the first barrel body 11 is connected with an impurity outlet pipe 18 for discharging some impurities and steel balls 17 after the waste sand is crushed. The end of the impurity outlet pipe 18 is provided with a cover 181 .

The present invention has carried out independent structural design to vibration driving device, as shown in Figure 1, vibration driving device comprises the 5th barrel body 161, shock buffering part 162, L-shaped connecting rod 163, eccentric wheel 164, and cross bar 165, wherein : the fifth barrel 161 is arranged vertically; the vibration buffer 162 is located in the fifth barrel 161 and its bottom is fixed to the bottom of the fifth barrel 161; one end of the L-shaped connecting rod 163 presses down on the top of the shock buffer 162 , the other end is fixedly connected to the first barrel body 11; the eccentric wheel 164 is connected to the side wall of the fifth barrel body 161 through a rotating shaft; the cross bar 165 is horizontally fixedly connected to the first barrel body 11, and the lower side of the cross bar 165 is against Eccentric 164.

Specifically, the fifth barrel body 161 is vertically fixed on the base 5 and located beside the first barrel body 11 . The shock buffer 162 is mainly used for shock buffering of the first barrel 11; the shock buffer 162 can be a spring, the bottom of the spring is fixedly connected to the bottom of the fifth barrel 161, and the top is a free end. The L-shaped connecting rod 163 is mainly used for the connection between the first barrel body 11 and the shock absorbing member 162. As shown in FIG. Shock buffer 162 ; wherein, the slider 166 is fixed to the end of the L-shaped connecting rod 163 and can slide along the inside of the fifth barrel 161 . The motor used to drive the rotation of the eccentric wheel 164 is fixed on the side wall of the fifth barrel 161, and its output end is connected to the eccentric wheel 164 through a rotating shaft; at the same time, the cross bar 165 is arranged above the eccentric wheel 164 and abuts against the eccentric wheel 164 , so that when the eccentric wheel 164 rotates, the cross bar 165 drives the first bucket body 11 and the stirring rod 12 in it to vibrate with the waste sand. In addition, the eccentric wheel 164 supports the first bucket body 11 through the cross bar 165 and the shock absorber 162 through the L-shaped connecting rod 163 .

Further, the vibration driving device also includes a protrusion 167, which is fixedly arranged on the lower side of the cross bar 165 corresponding to the eccentric wheel 164, and the cross bar 165 abuts against the eccentric wheel 164 through the protrusion 167, thereby further increasing the height of the first barrel body. 11 shock stability. In addition, grooves can be provided on the side where the bump 167 abuts against the eccentric wheel 164 , and the eccentric wheel 164 snaps into the groove, so that the cooperation between the bump 167 and the eccentric wheel 164 is more stable.

In some embodiments of the waste sand regeneration device of the present invention, as shown in Figure 1, a winch conveying device is also arranged between the vibration stirring device and the vibrating screening device, and the winch conveying device includes a second barrel body 21, a winch wheel conveying shaft 22, the second sand inlet 23, and the second sand outlet 24, wherein: the second barrel body 21 is horizontally arranged below the vibration stirring device, and the inner wall of the second barrel body 21 is provided with a frosted layer; The wheel conveying shaft 22 is arranged in the second barrel 21 and is coaxial with the second barrel 21; the second sand inlet 23 is located on the top side of the second barrel 21 and arranged up and down relative to the first sand outlet 14; The second sand outlet 24 is located at the end of the second barrel body 21 away from the second sand inlet 23 ; the first sand outlet 14 communicates with the second sand inlet 23 .

Specifically, as shown in FIG. 1 , the winch conveying device is mainly used for the transmission of waste sand between the vibrating stirring device and the vibrating screening device and the re-stirring and friction derusting of the waste sand during the transmission process. The second barrel body 21 is arranged horizontally, and the second barrel body 21 can be suspended and fixed on the base 5 by a support etc., and arranged up and down with the vibrating stirring device; the frosted layer of the second barrel body 21 inner wall is mainly used to increase waste sand and second The coefficient of friction when the inner wall of the barrel body 21 collides, so that the effect of friction and rust removal on the surface of the waste sand is better. The second sand inlet 23 is located directly below the first sand outlet 14, and the first sand outlet 14 communicates with the second sand inlet 23 through the funnel 6 and the hose 7 arranged in sequence, wherein the funnel 6 mainly acts on the waste sand. The hose 7 is mainly used to realize the soft connection between the vibrating stirring device and the winch conveying device, so that the vibration of the vibrating stirring device will not hinder the uninterrupted flow of waste sand between the vibrating stirring device and the winch conveying device. Intermittent transmission. The end of the second barrel body 21 away from the second sand inlet 23 is open to form a second sand outlet 24 . One end of the winch conveying shaft 22 runs through the end of the second barrel 21 near the fifth barrel 161 , and its motor drive device is fixedly arranged on the side wall of the fifth barrel 161 .

Further, the vibrating screening device includes a third barrel body 31, a vibrating screen 32, a third sand inlet port 33, and a third sand outlet port 34, wherein: the third barrel body 31 is vertically arranged at the first The bottom of one end where the second sand outlet 24 is located; the vibrating screen 32 is inclined and movable arranged in the third barrel body 31; the top opening of the third barrel body 31 forms the third sand inlet port 33; the third sand outlet port 34 is located in the vibrating screen 32 on the side wall of the third bucket body 31 corresponding to the lowest position.

Specifically, the relative position between the vibration screening device and the winch conveying device can be shown in Figure 1, one end of the second barrel 21 is erected on the barrel wall of the third barrel 31, this kind of spatial arrangement realizes on the one hand The support of the third barrel body 31 to the second barrel body 21, on the other hand, the waste sand flowing out from the second sand outlet port 24 of the winch conveying device directly flows into the third sand inlet port 33 by inertia; the third barrel body 31 One side of the bottom communicates with a miscellaneous discharge pipeline 35 for discharging impurities, and an on-off valve can be arranged on the miscellaneous discharge pipeline 35 according to actual conditions. The vibrating screen 32 is mainly used to screen and remove impurities from the ground waste sand, that is, to separate the waste sand from the rust, the waste sand is discharged through the third sand outlet 34, and impurities such as rust fall to the bottom of the third barrel body 31 through the sieve holes; The inclined arrangement of the vibrating screen 32 is convenient for waste sand to be guided to the third sand outlet 34 after being vibrated and screened for discharge; the specific inclination angle of the vibrating screen 32 can be determined by those skilled in the art according to the actual situation. The vibrator 321 for driving the vibrating screen 32 is arranged on the inner side wall of the third barrel body 31; a vibrating screen limiting device 322 is arranged below the vibrating screen 32 to prevent the vibrating screen 32 from vibrating from the working position. The bottom of the vibrating screen 32 is also connected with a shock buffer device. The shock buffer device can adopt a piston structure as shown in Figure 1, mainly including a piston 323, a spring 324, and a casing 325. The casing 325 is mainly used to accommodate the spring 324, the casing The lower part of the body 325 is fixed on the inclined block 36 at the bottom of the third barrel body 31. The inclined block 36 is mainly used for the rust and other impurities accumulated at the bottom of the third barrel body 31 after the vibrating screen 32 sieves the waste sand to flow to the miscellaneous pipeline. 35 is discharged, and the end of miscellaneous pipeline 35 can also be provided with and connect rust vessel etc.

Further, as shown in Figure 1 and Figure 2, the cleaning device includes a sand washing container 41, a fourth barrel body 42, a winch wheel lifting shaft 43, a fourth sand inlet 44, and a fourth sand outlet 45, wherein: The sand storage box 41 is arranged below the winch conveying device and its top opening communicates with the vibrating screening device; the fourth bucket body 42 is vertically arranged in the sand washing storage box 41, and the lower end of the fourth bucket body 42 has several openings in the circumferential direction. The hole forms a fourth sand inlet 44 ; the fourth sand outlet 45 is located on the side wall of the upper end of the fourth barrel body 42 .

Specifically, the cleaning device is located on one side of the vibrating screening device and below the winch conveying device, thereby saving space and making the arrangement of the device more compact. The sand washing storage box 41 is fixed on the base 5, and the sand washing storage box 41 is connected with the third sand outlet 34 through a pipeline; The design of the cavity is mainly used to prevent the waste sand from accumulating in a large amount in the sand washing container 41 and cannot be lifted upwards and discharged by the winch lifting shaft 43 . The motor used to drive the winch lifting shaft 43 is fixed on the bottom of the lower side of the second barrel body 21, and the fourth barrel body 42 is fixed on its motor seat. The fourth sand inlet 44 has several rows from bottom to top along the circumference of the fourth barrel body 42, but it should be ensured that its height does not exceed the inner cavity of the sand washing container 41.

Further, the four sand outlets are connected with U-shaped sand outlet plates 81, wherein: several blowers 82 are arranged along the upper opening of the U-shaped sand outlet plates 81;

Specifically, several fans 82 are fixed on the bottom of the lower side of the second barrel body 21, and the air outlets are aimed at the cleaned waste sand flowing on the U-shaped sand outlet plate 81, and the waste sand is continuously dried. The waste sand flows to the sand box 9.

Further, the motor for driving the rotation of the eccentric wheel 164, the motor for driving the rotation of the stirring rod 12, the motor for driving the rotation of the winch delivery shaft 22, the rotation of the motor for driving the winch lifting shaft 43, for driving The integrated control panel 10 of the vibrator 321 vibrated by the vibrating screen 32 is installed on the outer wall of the fifth barrel 161 for easy manipulation, as shown in FIG. 1 . The waste sand regeneration device of the present invention needs to run each motor and vibrator in advance in the early stage of waste sand treatment.

When the waste sand regeneration device of the present invention is working, the waste sand is stirred and derusted by the vibrating stirring device, spirally conveyed by the winch conveying device, vibrating and sifted by the vibrating screening device for impurities, further washed and removed by the cleaning device, and sand is produced by U-shape. The plate 81 guides the flow and the fan 82 dries and flows to the sand box 9 for storage, thereby realizing the recovery of waste sand. After the vibrating stirring device derusts the stirring surface of the waste sand, the waste sand is further collided and frictionally derusted during the conveying process of the winch conveying device, so the derusting effect is good and the recovery quality of the waste sand is higher; the vertical arrangement of the cleaning device, To a certain extent, the washing time of waste sand is increased, so that the washing effect of waste sand is better, and the effect of impurity removal is better; the one-stop processing method has high processing efficiency, is suitable for large-scale processing, and can better meet the needs of production. ; In addition, the entire waste sand regeneration device of the present invention has a reasonable and compact structure and takes up little space.

The present invention has been further described above with the help of specific embodiments, but it should be understood that the specific description herein should not be construed as limiting the spirit and scope of the present invention. Various modifications made in the embodiments all belong to the protection scope of the present invention.

Claims (10)

1. a kind of antiquated sand regenerating unit, which is characterized in that vibration agitating device, reciprocating sieve packing including being sequentially communicated arrangement It sets and cleaning device, in which:

The vibration agitating device includes that the first staving, stirring rod, the first sand inlet, the first sand export, strainer and vibration are driven Dynamic device, first staving is horizontally disposed, and the stirring rod and first staving are coaxially rotatably disposed in described the In one staving, the top opening of first staving forms first sand inlet, and the bottom opening of first staving is formed First sand export, the strainer are arranged at first sand export, and the vibration drive arrangement is described first It the side of staving and is fixedly connected with first staving；

The shaking-sieving device and the cleaning device are sequentially arranged in the downstream of the vibration agitating device.

2. antiquated sand regenerating unit according to claim 1, which is characterized in that the vibration agitating device and the reciprocating sieve It there also is provided reel conveying device between separating device, the reel conveying device enters including the second staving, reel conveying axis, second Sand mouth and the second sand export, in which:

Second staving is arranged horizontally in the lower section of the vibration agitating device, and the inner wall of second staving is provided with mill Layer of sand；

The reel conveying axis be arranged in second staving and with the second staving coaxial line；

Second sand inlet is located at the side at the top of second staving and relatively described first sand export is arranged up and down；

Second sand export is located at the end of the side far from second sand inlet of second staving；

First sand export is connected to second sand inlet.

3. antiquated sand regenerating unit according to claim 2, which is characterized in that the shaking-sieving device includes third bucket Body, reciprocating sieve, third sand inlet and third sand export, in which:

The third staving be arranged vertically at second sand export of the reel conveying device lower section at one end；

The reciprocating sieve is tilted and is moveably positioned in the third staving；

The top opening of the third staving forms the third sand inlet；

The third sand export is located on the corresponding third staving side wall in reciprocating sieve lowest order place.

4. antiquated sand regenerating unit according to claim 2, which is characterized in that the cleaning device include washed-out sand storage case, 4th staving, reel promote axis, the 4th sand inlet, the 4th sand export, in which:

The washed-out sand storage case is arranged in the lower section of the reel conveying device and its top end opening and the shaking-sieving device Connection；

4th staving is arranged vertically in the washed-out sand storage case, and the 4th staving lower end is circumferentially provided with several through-holes Form the 4th sand inlet；

4th sand export is located on the side wall of the 4th staving upper end.

5. antiquated sand regenerating unit described in any one of -4 according to claim 1, which is characterized in that the vibration driving device packet Include the 5th staving, vibration bolster, L-type connecting rod, eccentric wheel and cross bar, in which:

The vertical fixed and arranged of 5th staving；

The vibration bolster is located in the 5th staving and its bottom end is fixed with the 5th staving bottom surface；

One end of the L-type connecting rod pushes the top of the vibration bolster, and the other end is fixedly connected with first staving；

The eccentric wheel is arranged on the side wall of the 5th staving by shaft connection；

The cross bar level is fixedly connected with first staving, and the downside of the cross bar is against the eccentric wheel.

6. antiquated sand regenerating unit according to claim 5, which is characterized in that the vibration driving device further includes convex block, The convex block corresponds to the downside that the eccentric wheel is fixed at the cross bar, and the cross bar is by the convex block against described inclined Heart wheel.

7. antiquated sand regenerating unit according to claim 2, which is characterized in that first sand export and described second enters sand Mouth is connected to by the funnel and hose set gradually.

8. antiquated sand regenerating unit according to claim 1, which is characterized in that if being scattered on the strainer of first staving Dry steel ball.

9. antiquated sand regenerating unit according to claim 1, which is characterized in that the side of first staving bottom end is communicated with Impurities outlet pipeline.

10. antiquated sand regenerating unit according to claim 4, which is characterized in that the 4th sand export is connected with U-shaped shake out Plate, in which:

Upper side opening along the U-shaped plate that shakes out is disposed with several blowers；

The end of the U-shaped plate that shakes out, which is disposed with, connects sandbox.