阅读说明：本技术 一种铸造造型的型砂清理装置 (Molding sand cleaning device for casting molding ) 是由 乐绪望 于 2019-11-08 设计创作，主要内容包括：一种铸造造型的型砂清理装置,包括壳体,所述壳体中设有开口向右的清扫腔,所述清扫腔下端固定设有圆环,所述圆环上端面固定设有销子,所述销子上固定设有多个第三旋转块,所述第三旋转块上端固定设有连杆,所述连杆另一端固定设有圆盘,所述圆盘上固定设有齿,所述圆盘后端设有齿条,所述齿条与所述齿啮合,所述齿条左右两端对称设有第二弹簧腔,本发明可将模具进行固定,通过毛刷旋转将粘附在模具上的型砂刷落,再清理的过程中同时对型砂进行一个收集,再对吸入的型砂中混入的杂质进行过滤,从而实现对型砂的再次利用,避免了对型砂的浪费,还能保住清理效果更佳。(A casting molding sand cleaning device comprises a shell, a cleaning cavity with a right opening is arranged in the shell, a circular ring is fixedly arranged at the lower end of the cleaning cavity, a pin is fixedly arranged on the upper end surface of the circular ring, a plurality of third rotating blocks are fixedly arranged on the pin, a connecting rod is fixedly arranged at the upper end of the third rotating block, a disc is fixedly arranged at the other end of the connecting rod, teeth are fixedly arranged on the disc, the rear end of the disc is provided with a rack which is meshed with the teeth, the left end and the right end of the rack are symmetrically provided with a second spring cavity, the invention can fix the die, the molding sand adhered on the mold is brushed off by rotating the brush, the molding sand is collected in the process of cleaning again, impurities mixed in the sucked molding sand are filtered, thereby realize the reuse to the molding sand, avoided the waste to the molding sand, it is better to also keep the clearance effect.)

1. The utility model provides a molding sand cleaning device of casting molding, includes the casing, its characterized in that: a cleaning cavity with a right opening is arranged in the shell, a ring is fixedly arranged at the lower end of the cleaning cavity, a pin is fixedly arranged on the upper end face of the ring, a plurality of third rotating blocks are fixedly arranged on the pin, a connecting rod is fixedly arranged at the upper end of each third rotating block, a disc is fixedly arranged at the other end of the connecting rod, teeth are fixedly arranged on the disc, a rack is arranged at the rear end of the disc and is meshed with the teeth, second spring cavities are symmetrically arranged at the left and right ends of the rack, a second spring is fixedly arranged at the left end of each second spring cavity, a buffer plate is fixedly arranged at the right end of each second spring, a fourth gear is fixedly arranged at the rear end of the rack and is meshed with the rack, a tenth rotating shaft is rotatably arranged at the lower end of the fourth gear, when the tenth rotating shaft starts to rotate, the fourth gear is driven to rotate, and the rack is driven to, the rack drives the disc to rotate through the teeth, and the disc drives the third rotating block to clamp the die;

clean the chamber upper end and be equipped with dust absorption mechanism, the molding sand is in collect under dust absorption mechanism's the effect, be equipped with in the casing and be located clean the slip chamber of chamber upper end, be equipped with elevating system in the slip chamber, dust absorption mechanism is in elevating system's effect is realized reciprocating down, height-adjusting, be equipped with in the casing and be located clean the first spring chamber of chamber left end, be equipped with shake mechanism in the first spring chamber, the molding sand is in shake mechanism's effect is stored.

2. The sand cleaning device for foundry molding according to claim 1, wherein: the dust absorption mechanism comprises a brush which can move up and down and is arranged at the upper end of the cleaning cavity, a dust absorption cover with a downward opening is fixedly arranged at the upper end of the brush, a fifth rotating shaft is rotatably arranged at the upper end of the dust hood and fixedly connected with the hairbrush, a hollow telescopic pipe is fixedly arranged at the left end of the dust hood, a hollow pipe is fixedly arranged at the upper end of the hollow telescopic pipe, the hollow extension tube can move up and down in the hollow tube, the upper end of the hollow tube is fixedly provided with a dust absorption tube, a dust suction device is fixedly arranged at the left end of the dust suction pipe, a dust exhaust pipe is fixedly arranged at the left end of the dust suction device, when the fifth rotating shaft starts to rotate, the brush is driven to rotate, thereby realize cleaning the molding sand, the molding sand that cleans is in under dust extraction's the effect, by the suction hood enters into in the dust absorption pipe, through the dust exhaust pipe is discharged.

3. The sand cleaning device for foundry molding according to claim 2, wherein: the lifting mechanism comprises a fourth rotating shaft fixedly arranged at the upper end of the sliding cavity, a second roller is fixedly arranged on the fourth rotating shaft, a third rotating shaft is fixedly arranged at the left end of the second roller, a first roller is fixedly arranged on the third rotating shaft, a second rotating shaft is fixedly arranged at the lower end of the first roller, a second belt pulley is fixedly arranged on the second rotating shaft, a wire wheel is fixedly arranged on the second belt pulley, the first roller and the second roller are connected through the wire wheel, the right end of the wire wheel is fixedly connected onto the fifth rotating shaft, a fifth gear is fixedly arranged on the fifth rotating shaft, a second gear is fixedly arranged at the left end of the fifth gear, the second gear is not meshed with the fifth gear, a sixth rotating shaft is rotatably arranged at the lower end of the fifth gear, and when the second rotating shaft starts to rotate, the second belt pulley is driven to rotate, the second belt pulley drives the wire wheel rotates to drive the fifth rotating shaft to move downwards, and the fifth rotating shaft drives the fifth gear to move downwards and is meshed with the second gear, so that the hairbrush rotates to clean the molding sand.

4. The sand cleaning device for foundry molding according to claim 3, wherein: the shaking mechanism comprises a bottom plate fixedly arranged at the lower end of a first spring cavity, a first spring is fixedly arranged at the upper end of the bottom plate, a collecting box is fixedly connected to the upper end of the first spring, a collecting cavity is arranged in the collecting box, a dust exhaust pipe extends into the collecting cavity, a filter screen is fixedly arranged at the lower end of the dust exhaust pipe, the filter screen is fixedly arranged on the inner walls of the left end and the right end of the collecting cavity, an eighth rotating shaft is rotatably arranged at the left end of the first spring, a first rotating block is fixedly arranged at the front end of the eighth rotating shaft, a ninth rotating shaft is rotatably arranged at the right end of the first spring, a ninth rotating shaft is fixedly arranged at the front end of the ninth rotating shaft, and when the eighth rotating shaft and the ninth rotating shaft start to rotate, the first rotating block and the second rotating block are driven to rotate, so that the collecting box is driven to, thereby realizing the storage and the reutilization of the molding sand.

5. The sand cleaning device for foundry molding according to claim 4, wherein: clean the fixed motor that is equipped with of chamber lower extreme, the rotatable seventh pivot that is equipped with in motor upper end, the fixed fourth belt pulley that is equipped with in the seventh pivot, the fixed tenth belt pulley that is equipped with in fourth belt pulley rear end, the tenth belt pulley passes through the third belt with fourth belt pulley fixed connection, the fixed tenth pivot that is equipped with in tenth belt pulley upper end.

6. The sand cleaning device for foundry molding according to claim 5, wherein: the fixed third gear that is equipped with of fourth belt pulley lower extreme, the fixed sixth gear that is equipped with in third gear rear end, the sixth gear with third gear engagement, the fixed seventh belt pulley that is equipped with in sixth gear rear end, the fixed ninth pivot that is equipped with in seventh belt pulley left end, the fixed sixth belt pulley that is equipped with in the ninth pivot, the sixth belt pulley with the seventh belt pulley passes through fifth belt fixed connection, the fixed eighth pivot that is equipped with in sixth belt pulley left end, the fixed fifth belt pulley that is equipped with in the eighth pivot, the fifth belt pulley passes through the fourth belt with sixth belt pulley fixed connection.

7. The sand cleaning device for foundry molding according to claim 1, wherein: the fixed tenth gear that is equipped with in eighth pivot rear end, the fixed ninth gear that is equipped with in tenth gear upper end, the ninth gear with tenth gear engagement, the fixed thirteenth pivot that is equipped with in ninth gear upper end, the fixed ninth belt pulley that is equipped with in thirteenth pivot, the fixed third belt pulley that is equipped with of ninth belt pulley right-hand member, the third belt pulley passes through the second belt with ninth belt pulley fixed connection, the fixed sixth pivot that is equipped with in third belt pulley upper end, the fixed second gear that is equipped with in sixth pivot upper end.

8. The sand cleaning device for foundry molding according to claim 1, wherein: the fixed eighth gear that is equipped with in thirteenth pivot upper end, the fixed seventh gear that is equipped with in eighth gear upper end, the seventh gear with eighth gear engagement, the fixed twelfth pivot that is equipped with in seventh gear front end, the fixed eighth belt pulley that is equipped with in the twelfth pivot, the fixed first belt pulley that is equipped with of eighth belt pulley right-hand member, first belt pulley passes through first belt with eighth belt pulley fixed connection, the fixed first pivot that is equipped with in fourth pivot rear end, the fixed first gear that is equipped with in the first pivot, the fixed rack that is equipped with of first gear lower extreme, first pivot with rack engagement.

Technical Field

The invention relates to the technical field of papermaking, in particular to a molding sand cleaning device for casting modeling.

Background

In the process of cleaning the mould, the mould sand is cleaned by using an air gun injection mode, so that environmental pollution is easily caused, the cleaning effect is not good, meanwhile, the cleaning in the later period is time-consuming and labor-consuming, the mould sand cannot be collected and reused, the resource waste is easily caused, the cost is high, and the invention is provided for solving the problems.

Disclosure of Invention

Aiming at the technical defects, the invention provides a casting sand cleaning device for casting modeling, which can overcome the defects.

The invention relates to a casting molding sand cleaning device, which comprises a shell, wherein a cleaning cavity with a right opening is arranged in the shell, a circular ring is fixedly arranged at the lower end of the cleaning cavity, a pin is fixedly arranged on the upper end surface of the circular ring, a plurality of third rotating blocks are fixedly arranged on the pin, a connecting rod is fixedly arranged at the upper end of each third rotating block, a disc is fixedly arranged at the other end of each connecting rod, teeth are fixedly arranged on the disc, a rack is arranged at the rear end of the disc and is meshed with the teeth, second spring cavities are symmetrically arranged at the left end and the right end of the rack, a second spring is fixedly arranged at the left end of each second spring cavity, a buffer plate is fixedly arranged at the right end of each second spring, a fourth gear is fixedly arranged at the rear end of the rack and is meshed with the rack, a tenth rotating shaft is rotatably arranged at the lower end of the fourth gear, the fourth gear is driven to rotate, the fourth gear drives the rack to move left and right, the rack drives the disc to rotate through the teeth, and the disc drives the third rotating block to clamp the die;

clean the chamber upper end and be equipped with dust absorption mechanism, the molding sand is in collect under dust absorption mechanism's the effect, be equipped with in the casing and be located clean the slip chamber of chamber upper end, be equipped with elevating system in the slip chamber, dust absorption mechanism is in elevating system's effect is realized reciprocating down, height-adjusting, be equipped with in the casing and be located clean the first spring chamber of chamber left end, be equipped with shake mechanism in the first spring chamber, the molding sand is in shake mechanism's effect is stored.

Furthermore, the dust suction mechanism comprises a brush which can move up and down and is arranged at the upper end of the cleaning cavity, the upper end of the brush is fixedly provided with a dust hood with a downward opening, the upper end of the dust hood is rotatably provided with a fifth rotating shaft, the fifth rotating shaft is fixedly connected with the hairbrush, a hollow extension tube is fixedly arranged at the left end of the dust hood, the upper end of the hollow extension tube is fixedly provided with a hollow tube, the hollow extension tube can move up and down in the hollow tube, the upper end of the hollow pipe is fixedly provided with a dust absorption pipe, the left end of the dust absorption pipe is fixedly provided with a dust absorption device, the left end of the dust suction device is fixedly provided with a dust exhaust pipe, when the fifth rotating shaft starts to rotate, the brush is driven to rotate, thereby realize cleaning the molding sand, the molding sand that cleans is in under dust extraction's the effect, by the suction hood enters into in the dust absorption pipe, through the dust exhaust pipe is discharged.

Further, the lifting mechanism comprises a fourth rotating shaft fixedly arranged at the upper end of the sliding cavity, a second roller is fixedly arranged on the fourth rotating shaft, a third rotating shaft is fixedly arranged at the left end of the second roller, a first roller is fixedly arranged on the third rotating shaft, a second rotating shaft is fixedly arranged at the lower end of the first roller, a second belt pulley is fixedly arranged on the second rotating shaft, a wire wheel is fixedly arranged on the second belt pulley, the first roller and the second roller are connected through the wire wheel, the right end of the wire wheel is fixedly connected onto the fifth rotating shaft, a fifth gear is fixedly arranged on the fifth rotating shaft, a second gear is fixedly arranged at the left end of the fifth gear, the second gear is not meshed with the fifth gear, a sixth rotating shaft is rotatably arranged at the lower end of the fifth gear, and when the second rotating shaft starts to rotate, the second belt pulley is driven to rotate, the second belt pulley drives the wire wheel rotates to drive the fifth rotating shaft to move downwards, and the fifth rotating shaft drives the fifth gear to move downwards and is meshed with the second gear, so that the hairbrush rotates to clean the molding sand.

Further, the shaking mechanism comprises a bottom plate fixedly arranged at the lower end of the first spring cavity, a first spring is fixedly arranged at the upper end of the bottom plate, a collecting box is fixedly connected to the upper end of the first spring, a collecting cavity is arranged in the collecting box, the dust exhaust pipe extends into the collecting cavity, filter screens are fixedly arranged at the lower end of the dust exhaust pipe, the filter screens are fixed on the inner walls of the left end and the right end of the collecting cavity, an eighth rotating shaft is rotatably arranged at the left end of the first spring, a first rotating block is fixedly arranged at the front end of the eighth rotating shaft, a ninth rotating shaft is rotatably arranged at the right end of the first spring, a ninth rotating shaft is fixedly arranged at the front end of the ninth rotating shaft, when the eighth rotating shaft and the ninth rotating shaft start to rotate, the first rotating block and the second rotating block are driven to rotate, so that the collecting box is driven to shake up and down, thereby realizing the storage and the reutilization of the molding sand.

Further, clean the fixed motor that is equipped with of chamber lower extreme, the rotatable seventh pivot that is equipped with in motor upper end, the fixed fourth belt pulley that is equipped with in the seventh pivot, the fixed tenth belt pulley that is equipped with in fourth belt pulley rear end, the tenth belt pulley passes through the third belt with fourth belt pulley fixed connection, the fixed tenth pivot that is equipped with in tenth belt pulley upper end.

Further, a third gear is fixedly arranged at the lower end of the fourth belt pulley, a sixth gear is fixedly arranged at the rear end of the third gear, the sixth gear is meshed with the third gear, a seventh belt pulley is fixedly arranged at the rear end of the sixth gear, a ninth rotating shaft is fixedly arranged at the left end of the seventh belt pulley, a sixth belt pulley is fixedly arranged on the ninth rotating shaft, the sixth belt pulley is fixedly connected with the seventh belt pulley through a fifth belt fixed connection, an eighth rotating shaft is fixedly arranged at the left end of the sixth belt pulley, a fifth belt pulley is fixedly arranged on the eighth rotating shaft, and the fifth belt pulley is fixedly connected with the sixth belt pulley through the fourth belt.

Further, a tenth gear is fixedly arranged at the rear end of the eighth rotating shaft, a ninth gear is fixedly arranged at the upper end of the tenth gear, the ninth gear is meshed with the tenth gear, a thirteenth rotating shaft is fixedly arranged at the upper end of the ninth gear, a ninth belt pulley is fixedly arranged on the thirteenth rotating shaft, a third belt pulley is fixedly arranged at the right end of the ninth belt pulley, the third belt pulley is fixedly connected with the ninth belt pulley through a second belt, a sixth rotating shaft is fixedly arranged at the upper end of the third belt pulley, and a second gear is fixedly arranged at the upper end of the sixth rotating shaft.

Further, an eighth gear is fixedly arranged at the upper end of the thirteenth rotating shaft, a seventh gear is fixedly arranged at the upper end of the eighth gear, the seventh gear is engaged with the eighth gear, a twelfth rotating shaft is fixedly arranged at the front end of the seventh gear, an eighth belt pulley is fixedly arranged on the twelfth rotating shaft, a first belt pulley is fixedly arranged at the right end of the eighth belt pulley, the first belt pulley is fixedly connected with the eighth belt pulley through a first belt, a first rotating shaft is fixedly arranged at the rear end of the fourth rotating shaft, a first gear is fixedly arranged on the first rotating shaft, a rack is fixedly arranged at the lower end of the first gear, and the first rotating shaft is engaged with the rack.

The invention has the beneficial effects that: the invention can fix the mould, brush the molding sand adhered on the mould through the rotation of the brush, collect the molding sand in the process of cleaning again, and filter the impurities mixed in the sucked molding sand, thereby realizing the reutilization of the molding sand, avoiding the waste of the molding sand and ensuring better cleaning effect.

Drawings

The invention will now be described in detail with reference to fig. 1-9, wherein for ease of description the orientations described below are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of the drawing itself.

FIG. 1 is a schematic view showing the overall construction of a sand-cleaning apparatus for foundry molding according to the present invention;

FIG. 2 is a schematic view of the structure at A-A in FIG. 1;

FIG. 3 is a schematic view of the structure at B-B in FIG. 1;

FIG. 4 is a schematic view of the structure at C-C in FIG. 1;

FIG. 5 is a schematic view of the structure at D-D in FIG. 1;

FIG. 6 is a schematic view of the structure at E-E in FIG. 3;

FIG. 7 is a schematic view of the structure at F-F in FIG. 1;

FIG. 8 is a schematic view of the structure at G-G in FIG. 1;

FIG. 9 is a schematic view of the structure at H-H in FIG. 1.

Detailed Description

The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.

As shown in fig. 1 to 9, a casting molding sand cleaning device includes a housing 10, a cleaning chamber 32 with a right opening is provided in the housing 10, a circular ring 56 is fixed to a lower end of the cleaning chamber 32, a pin 55 is fixed to an upper end surface of the circular ring 56, a plurality of third rotary blocks 54 are fixed to the pin 55, a connecting rod 53 is fixed to an upper end of each third rotary block 54, a disc 31 is fixed to the other end of the connecting rod 53, a tooth 57 is fixed to the disc 31, a rack 61 is provided at a rear end of the disc 31, the rack 61 is engaged with the tooth 57, second spring chambers 58 are symmetrically provided at left and right ends of the rack 61, a second spring 59 is fixed to a left end of each second spring chamber 58, a buffer plate 60 is fixed to a right end of the second spring 59, a fourth gear 62 is fixed to a rear end of the rack 61, the fourth gear 62 is engaged with the rack 61, a tenth rotating shaft 63 is rotatably arranged at the lower end of the fourth gear 62, when the tenth rotating shaft 63 starts to rotate, the fourth gear 62 is driven to rotate, the fourth gear 62 drives the rack 61 to move left and right, the rack 61 drives the disc 31 to rotate through the teeth 57, and the disc 31 drives the third rotating block 54 to clamp the mold;

clean chamber 32 upper end and be equipped with dust absorption mechanism 100, the molding sand is in collect under dust absorption mechanism 100's the effect, be equipped with in the casing 10 and be located clean the sliding chamber 11 of chamber 32 upper end, be equipped with elevating system 200 in the sliding chamber 11, dust absorption mechanism 100 is in the effect of elevating system 200 is realized reciprocating down, height-adjusting, be equipped with in the casing 10 and be located clean the first spring chamber 39 of chamber 32 left end, be equipped with shake mechanism 300 in the first spring chamber 39, the molding sand is in shake mechanism 300's effect is stored.

Beneficially, the dust suction mechanism 100 includes a brush 30 which can be vertically moved and is arranged at the upper end of the cleaning cavity 32, a dust hood 29 with a downward opening is fixedly arranged at the upper end of the brush 30, a fifth rotating shaft 24 is rotatably arranged at the upper end of the dust hood 29, the fifth rotating shaft 24 is fixedly connected with the brush 30, a hollow extension tube 52 is fixedly arranged at the left end of the dust hood 29, a hollow tube 51 is fixedly arranged at the upper end of the hollow extension tube 52, the hollow extension tube 52 can be vertically moved in the hollow tube 51, a dust suction tube 50 is fixedly arranged at the upper end of the hollow tube 51, a dust suction device 49 is fixedly arranged at the left end of the dust suction tube 50, a dust exhaust tube 48 is fixedly arranged at the left end of the dust suction device 49, when the fifth rotating shaft 24 starts to rotate, the brush 30 is driven to rotate, so that the molding sand, enters the dust suction pipe 50 from the dust suction cover 29 and is discharged through the dust discharge pipe 48.

Beneficially, the lifting mechanism 200 includes a fourth rotating shaft 23 fixedly disposed at the upper end of the sliding cavity 11, a second roller 22 is fixedly disposed on the fourth rotating shaft 23, a third rotating shaft 21 is fixedly disposed at the left end of the second roller 22, a first roller 20 is fixedly disposed on the third rotating shaft 21, a second rotating shaft 18 is fixedly disposed at the lower end of the first roller 20, a second pulley 19 is fixedly disposed on the second rotating shaft 18, a pulley 17 is fixedly disposed on the second pulley 19, the first roller 20 and the second roller 22 are connected by the pulley 17, the right end of the pulley 17 is fixedly connected to the fifth rotating shaft 24, a fifth gear 64 is fixedly disposed on the fifth rotating shaft 24, a second gear 25 is fixedly disposed at the left end of the fifth gear 64, the second gear 25 is not engaged with the fifth gear 64, and a sixth rotating shaft 26 is rotatably disposed at the lower end of the fifth gear 64, when the second rotating shaft 18 starts to rotate, the second belt pulley 19 is driven to rotate, the second belt pulley 19 drives the wire wheel 17 to rotate, so that the fifth rotating shaft 24 is driven to move downwards, the fifth rotating shaft 24 drives the fifth gear 64 to move downwards and be meshed with the second gear 25, and therefore the hair brush 30 is rotated to clean molding sand.

Advantageously, the shaking mechanism 300 comprises a bottom plate 38 fixedly arranged at the lower end of the first spring cavity 39, a first spring 40 is fixedly arranged at the upper end of the bottom plate 38, a collecting box 45 is fixedly connected to the upper end of the first spring 40, a collecting cavity 46 is arranged in the collecting box 45, the dust exhaust pipe 48 extends into the collecting cavity 46, a filter screen 47 is fixedly arranged at the lower end of the dust exhaust pipe 48, the filter screen 47 is fixed on the inner wall of the left end and the inner wall of the right end of the collecting cavity 46, an eighth rotating shaft 42 is rotatably arranged at the left end of the first spring 40, a first rotating block 41 is fixedly arranged at the front end of the eighth rotating shaft 42, a ninth rotating shaft 44 is rotatably arranged at the right end of the first spring 40, a ninth rotating shaft 44 is fixedly arranged at the front end of the ninth rotating shaft 44, and when the eighth rotating shaft 42 and the ninth rotating shaft 44 start to rotate, the first rotating block 41 and, thereby drive the shake from top to bottom of collecting box 45, the molding sand flows in through filter screen 47, and impurity falls on filter screen 47 to the realization is to the storage of molding sand, reuse.

Beneficially, the motor 33 is fixedly arranged at the lower end of the cleaning cavity 32, the seventh rotating shaft 35 is rotatably arranged at the upper end of the motor 33, the fourth belt pulley 36 is fixedly arranged on the seventh rotating shaft 35, the tenth belt pulley 80 is fixedly arranged at the rear end of the fourth belt pulley 36, the tenth belt pulley 80 is fixedly connected with the fourth belt pulley 36 through the third belt 37, and the tenth rotating shaft 63 is fixedly arranged at the upper end of the tenth belt pulley 80.

Beneficially, the lower end of the fourth belt pulley 36 is fixedly provided with a third gear 34, the rear end of the third gear 34 is fixedly provided with a sixth gear 71, the sixth gear 71 is meshed with the third gear 34, the rear end of the sixth gear 71 is fixedly provided with a seventh belt pulley 70, the left end of the seventh belt pulley 70 is fixedly provided with a ninth rotating shaft 44, the ninth rotating shaft 44 is fixedly provided with a sixth belt pulley 67, the sixth belt pulley 67 is fixedly connected with the seventh belt pulley 70 through a fifth belt 68, the left end of the sixth belt pulley 67 is fixedly provided with an eighth rotating shaft 42, the eighth rotating shaft 42 is fixedly provided with a fifth belt pulley 65, and the fifth belt pulley 65 is fixedly connected with the sixth belt pulley 67 through the fourth belt 66.

Beneficially, a tenth gear 79 is fixedly arranged at the rear end of the eighth rotating shaft 42, a ninth gear 78 is fixedly arranged at the upper end of the tenth gear 79, the ninth gear 78 is engaged with the tenth gear 79, a thirteenth rotating shaft 76 is fixedly arranged at the upper end of the ninth gear 78, a ninth belt pulley 77 is fixedly arranged on the thirteenth rotating shaft 76, a third belt pulley 27 is fixedly arranged at the right end of the ninth belt pulley 77, the third belt pulley 27 is fixedly connected with the ninth belt pulley 77 through the second belt 28, a sixth rotating shaft 26 is fixedly arranged at the upper end of the third belt pulley 27, and a second gear 25 is fixedly arranged at the upper end of the sixth rotating shaft 26.

Beneficially, an eighth gear 75 is fixedly arranged at the upper end of the thirteenth rotating shaft 76, a seventh gear 74 is fixedly arranged at the upper end of the eighth gear 75, the seventh gear 74 is meshed with the eighth gear 75, a twelfth rotating shaft 73 is fixedly arranged at the front end of the seventh gear 74, an eighth belt pulley 72 is fixedly arranged on the twelfth rotating shaft 73, a first belt pulley 13 is fixedly arranged at the right end of the eighth belt pulley 72, the first belt pulley 13 is fixedly connected with the eighth belt pulley 72 through the first belt 12, a first rotating shaft 15 is fixedly arranged at the rear end of the fourth rotating shaft 23, a first gear 14 is fixedly arranged on the first rotating shaft 15, a rack 16 is fixedly arranged at the lower end of the first gear 14, and the first rotating shaft 15 is meshed with the rack 16.

The implementation method of the molding sand cleaning device for casting molding comprises the following steps:

in the initial state of the invention, the first spring 40 and the second spring 59 do not generate elastic deformation;

1. placing the mould into the circular ring 56, and starting the motor 33 and the dust suction device 49;

2. the motor 33 drives the seventh rotating shaft 35 to rotate, the seventh rotating shaft 35 drives the fourth belt pulley 36 to rotate, the fourth belt pulley 36 drives the tenth belt pulley 80 to rotate through the third belt 37, the tenth belt pulley 80 drives the tenth rotating shaft 63 to rotate, the tenth rotating shaft 63 drives the fourth gear 62 to rotate, the fourth gear 62 drives the rack 61 to move leftwards, the rack 61 drives the disc 31 to rotate through the teeth 57, and the disc 31 drives the third rotating block 54 to rotate, so that the mold is clamped;

3. the seventh rotating shaft 35 drives the third gear 34 to rotate, the third gear 34 drives the sixth gear 71 to rotate, the sixth gear 71 drives the eleventh rotating shaft 69 to rotate, the eleventh rotating shaft 69 drives the seventh belt pulley 70 to rotate, the seventh belt pulley 70 drives the sixth belt pulley 67 to rotate through the fifth belt 68, the sixth belt pulley 67 drives the ninth rotating shaft 44 to rotate, the ninth rotating shaft 44 drives the second rotating block 43 to rotate, the sixth belt pulley 67 drives the fifth belt pulley 65 to rotate through the fourth belt 66, the fifth belt pulley 65 drives the eighth rotating shaft 42 to rotate, the eighth rotating shaft 42 drives the first rotating block 41 to rotate, the first rotating block 41 and the second rotating block 43 drive the collecting box 45 to shake up and down, so that the filtered molding sand is stored and reused;

4. the eighth rotating shaft 42 drives the tenth gear 79 to rotate, the tenth gear 79 drives the ninth gear 78 to rotate, the ninth gear 78 drives the thirteenth rotating shaft 76 to rotate, the thirteenth rotating shaft 76 drives the ninth belt pulley 77 to rotate, the ninth belt pulley 77 drives the third belt pulley 27 to rotate through the second belt 28, the third belt pulley 27 drives the sixth rotating shaft 26 to rotate, and the sixth rotating shaft 26 drives the fifth gear 64 to rotate;

5. the thirteenth rotating shaft 76 drives the eighth gear 75 to rotate, the eighth gear 75 drives the seventh gear 74 to rotate, the seventh gear 74 drives the twelfth rotating shaft 73 to rotate, the twelfth rotating shaft 73 drives the eighth belt pulley 72 to rotate, the eighth belt pulley 72 drives the first belt pulley 13 to rotate through the first belt 12, the first belt pulley 13 drives the first rotating shaft 15 to rotate, the first rotating shaft 15 drives the first gear 14 to rotate, the first gear 14 drives the rack 16 to move rightwards, the rack 16 drives the second belt pulley 19 to rotate, so that the reel 17 drives the fifth rotating shaft 24 to move downwards, and the fifth gear 64 is meshed with the second gear 25;

6. the fifth gear 64 drives the second gear 25 to rotate, the fifth gear 64 drives the fifth rotating shaft 24 to rotate, the fifth rotating shaft 24 drives the brush 30 to rotate, and the molding sand enters the dust suction pipe 50 through the dust suction cover 29 under the action of the brush 30 and the dust suction device 49 and is discharged to the filter screen 47 through the dust discharge pipe 48 to be filtered.

7. After the cleaning is completed, the motor 33 is reversed to be reset.

The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.