CN108746515B

CN108746515B - Sand casting system convenient to sand mould finished product clearance

Info

Publication number: CN108746515B
Application number: CN201810550125.XA
Authority: CN
Inventors: 黄斌
Original assignee: Foshan Zhihui Dimension Technology Co ltd; Foshan University
Current assignee: Foshan Zhihui Dimension Technology Co ltd; Foshan University
Priority date: 2018-05-31
Filing date: 2018-05-31
Publication date: 2020-04-07
Anticipated expiration: 2038-05-31
Also published as: CN108746515A

Abstract

A sand casting system convenient for cleaning a sand finished product comprises a sand conveying device, a sand paving device, a sand box, a working plate lifting mechanism, a printing device, a cleaning device, a printing test device, a locking conveying mechanism and a finished product auxiliary cleaning device; the sand conveying device, the sand paving device, the sand box, the working plate lifting mechanism, the printing device, the cleaning device, the printing test device and the locking conveying mechanism are all arranged on the section frame; a working plate is arranged in the sand box; the working plate lifting mechanism is arranged at the bottom of the sand box, the printing device is positioned above the sand box, and the cleaning device and the printing test device are both arranged at one side of the sand box; the locking conveying mechanism is used for locking and conveying the sand box; the finished product auxiliary cleaning device is arranged on one side of the section bar rack. According to the sand casting system convenient for cleaning the finished sand mould product, the sand casting process is more compact and efficient, the residual sand on the surface of the finished sand mould product is convenient to clean in time, the quality of the finished sand mould product is improved, and the utilization rate of the residual sand is improved.

Description

Sand casting system convenient to sand mould finished product clearance

Technical Field

The invention relates to the field of sand casting equipment, in particular to a sand casting system convenient for cleaning a sand finished product.

Background

The sand casting technique is one of the rapid prototyping techniques, and is a technique for constructing an object by using an adhesive material such as powdered metal or plastic and the like and printing layer by layer on the basis of a digital model file, and is often used for manufacturing models in the fields of mold manufacturing, industrial design and the like.

When the existing sand casting system carries out sand casting, the process is not compact, the working efficiency is low, and the sand casting is not facilitated. And the appearance of the finished sand mould product and the upper surface of the working plate in the sand box can remain residual sand left by casting, if the finished sand mould product is directly taken out of the sand mould, the residual sand is wasted, the residual sand is easy to scatter, the cleanness of the working environment is influenced, the sand used by sand casting is sticky, and the residual sand can be stuck on the surface of the finished sand mould product and the quality of the finished sand mould product is influenced if the sand used by sand casting is not cleaned in time.

Disclosure of Invention

The invention aims to provide a sand casting system convenient for cleaning a sand casting finished product, which has the advantages of more compact and efficient process for sand casting, higher working efficiency and stability, convenience for timely cleaning residual sand on the surface of the sand casting finished product, improvement on the quality of the sand casting finished product and improvement on the utilization rate of the residual sand.

In order to achieve the purpose, the invention adopts the following technical scheme:

a sand casting system convenient for cleaning a sand finished product comprises a sand conveying device, a sand paving device, a sand box, a working plate lifting mechanism, a printing device, a cleaning device, a printing test device, a locking conveying mechanism and a finished product auxiliary cleaning device;

the sand conveying device, the sand paving device, the sand box, the working plate lifting mechanism, the printing device, the cleaning device, the printing test device and the locking conveying mechanism are all arranged on the section frame;

the sand conveying device is positioned above the sand paving device, the sand paving device is positioned above the sand box, and the sand paving device can move above the sand box to pave sand;

a working plate is arranged in the sand box;

the working plate lifting mechanism is arranged at the bottom of the sand box so as to drive the working plate to lift up and down in the sand box;

the printing device is positioned above the sand box and can move above the sand box to print sand mold products;

the cleaning device and the printing test device are both provided with one side of the sand box;

the locking conveying mechanism is used for locking and conveying the sand box;

the finished product auxiliary cleaning device is arranged on one side of the section bar rack.

According to the sand casting system convenient for cleaning the finished sand mold product, the process of sand casting is more compact and efficient, the working efficiency and the stability are higher, the residual sand on the surface of the finished sand mold product is convenient to clean in time, the quality of the finished sand mold product is improved, and the utilization rate of the residual sand is improved.

After the sand material is proportioned externally, the sand material is conveyed to the sand paving device through the sand material conveying device, the sand paving device can move above the sand box to pave sand, the sand material is paved evenly, the sand material is paved on a working plate, and the subsequent printing device can conveniently perform ink-jet printing on the sand material.

Before printing device prints, need carry out the operation of printing test to quality and effect that experimental printing, process belt cleaning device washs printing device's shower nozzle, like this, impurity such as sand material, dust that are located the spout of shower nozzle just can be cleared up away, then printing device prints on printing test device again, and like this, the precision of printing can be higher, and the quality can be better, provides good operating condition for follow-up sand casting.

When sand casting is carried out, the whole sand box is locked by the locking and conveying mechanism, the stability of sand casting can be improved, so that the printing device can stably print on the working plate in the sand box, and the stability of sand box casting and the quality of sand box products are improved. When accomplishing sand casting, the unblock locking conveyor, and it will the sand box is carried out, then places the sand box at the top of the supplementary cleaning device of finished product, the supplementary cleaning device of finished product can rise the working plate, the in-process that the working plate rises, the staff is through using sand sucker, suck away the sand on sand mould finished product surface and working plate top, like this, when the working plate rises to the highest point, the sand is just can be sucked completely, the finished appearance of sand mould is cleared up, be taken out more cleanly, and can improve the rate of utilization of sand, the sand of sand sucker can used repeatedly.

Through material conveyor, sanding device, sand box, working plate elevating system, printing device, belt cleaning device, printing test device, locking conveying mechanism and the supplementary cleaning device of finished product for whole sand casting's process is compacter high-efficient, and the quality of sand mould product is higher, and degree of automation is high.

Drawings

FIG. 1 is a schematic structural diagram of one embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a sand conveying device according to one embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a sand conveying device according to one embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a sand conveying device according to one embodiment of the present invention;

FIG. 5 is a top view of a sanding apparatus according to one embodiment of the present invention;

FIG. 6 is a cross-sectional view taken along line A-A' of FIG. 5;

FIG. 7 is a schematic structural view of a sanding apparatus according to one embodiment of the present invention;

FIG. 8 is a schematic structural view of a sanding apparatus according to one embodiment of the present invention;

FIG. 9 is a schematic structural view of a sand box of one embodiment of the present invention;

fig. 10 is a partial enlarged view at B of fig. 9;

FIG. 11 is a top view of a sand box of one embodiment of the present invention;

FIG. 12 is a schematic structural view of a work plate lifting mechanism according to one embodiment of the present invention;

fig. 13 is a partial enlarged view at C of fig. 12;

FIG. 14 is a schematic structural view of a work plate lifting mechanism according to one embodiment of the present invention;

fig. 15 is a schematic structural view of a work board lifting mechanism according to one embodiment of the present invention.

FIG. 16 is a schematic view showing the construction of a flask and work plate lift mechanism according to one embodiment of the present invention;

FIG. 17 is a schematic diagram of a printing apparatus according to one embodiment of the present invention;

FIG. 18 is a schematic structural diagram of a printing apparatus according to one embodiment of the present invention;

FIG. 19 is a schematic diagram of the cleaning apparatus and the print test apparatus according to one embodiment of the present invention;

FIG. 20 is a schematic structural view of a cleaning apparatus and a print test apparatus according to an embodiment of the present invention;

FIG. 21 is a schematic structural diagram of one embodiment of the present invention;

fig. 22 is a partial enlarged view at D of fig. 21;

fig. 23 is a partial enlarged view at E of fig. 21;

FIG. 24 is a schematic structural diagram of one embodiment of the present invention;

fig. 25 is a partial enlarged view at F of fig. 24;

FIG. 26 is a schematic structural view of a finishing aid cleaning apparatus according to one embodiment of the present invention;

FIG. 27 is a schematic view of the flask of one embodiment of the present invention in use with a finish aid cleaner.

Wherein: the sand conveying device 1, the first sand silo 11, the left support seat 111, the right support seat 112, the first front side plate 113, the first rear side plate 114, the top cover plate 115, the proximity switch 116, the sand feeding port 1101, the arc block 1102, the screw shaft 121, the pipe sleeve 122, the screw shaft driving device 123, the motor frame 1231, the screw shaft driving motor 1232, the speed reducer 1233, the first driving sprocket 1234, the first driven sprocket 1235, the sand hopper 131, the arc plate 1311, the left sector plate 1312, the right sector plate 1313, the left swing shaft 1314, the right swing shaft 1315, the sand hopper driving device 132, the motor plate 1321, the sand hopper driving motor, the first driving synchronizing wheel 1323, the first driven synchronizing wheel 1322 4, the first synchronizing belt 1325, the heating plate 141, the first sealing cover 142, the vacuum transition tank 151, the sand feeding pipe 152, the exhaust pipe 153, the left chute frame 161, the right chute frame 162, the cushion 163 and the silicone sheet 164.

The sanding device 2, the second sand silo 21, the second front side plate 211, the second rear side plate 212, the first left side plate 213, the first right side plate 214, the left outer plate 215, the right outer plate 216, the blade 2101, the batten 21010, the sanding port 2102, the sand receiving port 2103, the vibration motor 2104, the swing plate 22, the U-shaped sealing strip 221, the polish rod 222, the swing plate motor 231, the second driving sprocket 232, the second driven sprocket 233, the linkage shaft 234, the movable arm 235, the first movable arm 2351, the second movable arm 2352, the lifting scraping part 24, the lifting device, the clip frame 242, the scraping strip 243, the protruding part 2431, the moving assembly 25, the sanding frame 251, the connecting frame 252, the adjusting part 2521, the slider seat 253, the first belt clamp seat 2531, the first belt pressing block 2532, the drag chain frame 2533, the first slider 54 and the second sealing cover 26.

The sand box 3, the box body 31, the positioning frame 311, the first clearance hole 3111, the positioning sleeve 3112, the sand leakage hole 3113, the connecting piece 3114, the frame strip 3115, the limiting strip 32, the supporting lug 33, the reinforcing strip 34, the guide strip 35, the handle 36 and the sand box foot plate 37.

The device comprises a working plate lifting mechanism 4, a first bottom plate 41, a first accommodating groove 411, a motor 421, a second driving synchronous wheel 422, a second driven synchronous wheel 423, a second synchronous belt 424, a screw rod 425, a tensioning part 426, a first adjusting plate 4261, a tensioning roller 4262, a first adjusting hole 22611, a guide rod 43, a stroke contact piece 431, a supporting plate 44, a working plate positioning piece 441, a working plate 45, a working plate positioning hole 451, a sand box positioning piece 452, an electromagnetic suction cup 46, a pulling plate 47, a second clearance hole 471 and a sand frame 48.

The printing device 5, the printing box 51, the second accommodating groove 511, the spray head 52, the spray opening 521, the ink box 53, the ink box bracket 531, the ink box cover 532, the height-adjusting assembly 54, the adjusting wheel 541, the screw 542, the moving frame 551, the second bottom plate 5511, the second left side plate 5512, the second right side plate 5513, the first limiting groove 5501, the second slider 552, the stroke contact block 553, the scanning drag chain frame 554, the second belt clip seat 555, the second belt clip seat 556, the locking assembly 56, the second adjusting plate 561, the locking screw 562, the guide post 571, the linear bearing 572, the circuit board protective shell 581 and the wire inlet hole 5811.

The cleaning device 6, the collection storehouse 61, the left inclined plate 611, the right inclined plate 612, the third bottom plate 63, the discharge port 6131, the blade 621, the blade seat 622, the blade seat shaft 6221, the blade driving device 63, the first limiting block 64, the liquid storage box 65, the top panel 71, the waste port 712, the collection port 713, the guide plate 72 and the guide hole 721.

The printing test device 7, the top panel 71, the cleaning opening 711, the waste opening 712, the collecting opening 713, the guide plate 72, the guide hole 721, the paper holder 731, the adjusting groove 7311, the paper roll 732, the plum handle 733, the tensioning holder 741, the second adjusting hole 7411, the pull-out opening 74111, the pinch roller 742, the sanding stick 743, and the tension spring 744.

The device comprises a locking conveying mechanism 8, a sand box 3, a limiting strip 32, a sand box foot plate 37, a handle 36, a supporting lug 33, a reinforcing strip 34, a guide strip 35, a second limiting block 821, a second limiting groove 8211, a locking device 822, a handle 8221, a swing arm shaft 8222, a swing arm seat 8223, a pressing block 8224, a bayonet 82241, a plum blossom handle screw 8225, a roller frame 831, a top plate 8311, a top block 83111 and a roller 832;

the finished product auxiliary cleaning device 9, a bracket 91, an auxiliary limiting block 911, an auxiliary top plate 92, an auxiliary bottom plate 93, a lifting driving device 94, a lifting motor 941, a gear box 942, a reference plate 943, a reference plate guide rod 944, a lifting shaft 945, a lifting nut 9451, a supporting plate guide rod 946, an auxiliary supporting plate 95, a working plate positioning piece 441, a roller 961, a carrying bar 962, a universal ball 9621, an auxiliary guide bar 963, a box pressing bar 964, a positioning seat 9641, an auxiliary plum blossom handle screw 96411, an auxiliary electromagnetic suction cup 965, a stroke frame 966, an optoelectronic switch 9661, an auxiliary stroke contact block 67, a collecting box 901 and a profile rack 902.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 1 to 27, a sand casting system convenient for cleaning a finished sand mold product comprises a sand conveying device 1, a sand paving device 2, a sand box 3, a working plate lifting mechanism 4, a printing device 5, a cleaning device 6, a printing test device 7, a locking conveying mechanism 8 and a finished product auxiliary cleaning device 9; of course, the sand casting system further comprises a section frame 902, and the sand conveying device 1, the sand paving device 2, the sand box 3, the working plate lifting mechanism 4, the printing device 5, the cleaning device 6, the printing test device 7 and the locking conveying mechanism 8 are all mounted on the section frame 902.

The sand conveying device 1 is positioned above the sand paving device 2, the sand paving device 2 is positioned above the sand box 3, and the sand paving device 2 can move above the sand box 3 to pave sand;

a working plate 45 is arranged in the sand box 3;

the working plate lifting mechanism 4 is arranged at the bottom of the sand box 3 to drive the working plate 45 to lift up and down in the sand box 3;

the printing device 5 is positioned above the sand box 3, and the printing device 5 can move above the sand box 3 to print sand mold products;

the cleaning device 6 and the printing test device 7 are both provided with one side of the sand box 3;

the lock conveyance mechanism 8 is used to lock and convey the flasks 3.

The finished product auxiliary cleaning device 9 is arranged on one side of the section frame 902.

After the sand material is proportioned externally, the sand material is conveyed to the sand paving device 2 through the sand material conveying device 1, the sand paving device 2 can move above the sand box 3 to pave sand, the sand material is paved evenly, the sand material is paved on the working plate 45, and the subsequent printing device 5 can conveniently perform ink-jet printing on the sand material.

Before printing device 5 prints, need carry out the operation of printing test to quality and effect that experimental printing, process belt cleaning device 6 washs printing device 5's shower nozzle, like this, impurity such as sand material, dust that are located the spout of shower nozzle just can be cleared up away, then printing device 5 prints again on printing test device 71, like this, and the precision of printing can be higher, and the quality can be better, provides good operating condition for follow-up sand casting.

When sand casting is performed, the whole sand box 3 is locked by the locking and conveying mechanism 8, so that the stability of sand casting can be improved, the printing device 5 can stably print on the working plate 45 in the sand box 3, and the casting stability of the sand box 3 and the quality of products of the sand box 3 are improved. When the sand casting is completed, the locking conveying mechanism 8 is unlocked, the sand box 3 is conveyed out, then the sand box 3 is placed at the top of the finished product auxiliary cleaning device 9, the finished product auxiliary cleaning device 9 can lift the working plate 45, in the lifting process of the working plate 45, workers suck the residual sand on the surface of a finished sand mold product and the top of the working plate through the sand sucker, and then when the working plate 45 is lifted to the highest position, the residual sand can be sucked completely, the outer surface of the finished sand mold product is cleaned completely, the sand sucker can be taken out more cleanly, the utilization rate of the residual sand can be increased, and the residual sand in the sand sucker can be reused.

Through material conveyor 1, sanding device 2, sand box 3, working plate elevating system 4, printing device 5, belt cleaning device 6, printing test device 7 and locking conveying mechanism 8 for whole sand casting's process is compacter high-efficient, and the quality of sand mould product is higher, and degree of automation is high.

The sand conveying device 1 comprises a first sand warehouse 11, a screw shaft 121, a pipe sleeve 122, a screw shaft driving device 123, a sand hopper 131 and a sand hopper driving device 132;

one end of the screw shaft 121 is arranged in the first sand silo 11, the other end of the screw shaft 121 is arranged in the sleeve 22, and one end of the sleeve 22 is connected with the side wall of the first sand silo 11;

a sand feeding port 1101 is formed in the bottom of the first sand storage 11, and the sand hopper 131 is hinged to the bottom of the first sand storage 11 to control the opening and closing of the sand feeding port 1101;

the screw shaft driving device 123 is connected with the screw shaft 121;

the sand hopper driving device 132 is connected to the sand hopper 131.

The first front side plate 113 of fig. 3 is not shown for the sake of more clearly seeing the structure inside the first sand magazine 11, and the curved plate 1311 is not shown in fig. 4 for the sake of more clearly seeing the sand feeding port 1101.

The sleeve 22 can protect the screw shaft 121 and can also be used as a carrier of sand, the sand is pumped into the sleeve 22 from the outside, the screw shaft driving device 123 drives the screw shaft 121 to rotate, and the rotating grains on the screw shaft uniformly rotate and send the sand into the first sand silo 11, so that the subsequent use effect of the sand is improved.

When the sand in the first sand reservoir 11 is fully loaded, the sand hopper 131 is driven to rotate by the sand hopper driving device 132 to open the sand feeding port 1101, so that the sand can fall from the sand feeding port 1101 to the external sand paving device 2.

Further, the first sand silo 11 comprises a left support seat 111, a right support seat 112, a first front side plate 113, a first rear side plate 114 and a top cover plate 115;

two ends of the first front side plate 113 are respectively mounted on the front wall of the left support seat 111 and the front wall of the right support seat 112;

both ends of the first rear side plate 114 are respectively mounted on the rear wall of the left support seat 111 and the rear wall of the right support seat 112;

two ends of the top cover plate 115 are respectively fixed on the inner side of the left support seat 111 and the inner side of the right support seat 112;

the first front plate 113 and the first rear plate 114 are respectively inclined inward, and constitute the sand feeding port 1101.

With the arrangement, the first front side plate 113 and the first rear side plate 114 are arranged in a V shape, so that sand can fall from the sand feeding port 1101 to the external sand paving device 2 more conveniently. The top cover plate 115 can avoid the phenomenon that sand materials are conveyed into the first sand silo 11 in a rotating mode and leak outwards.

Further, the sand hopper 131 comprises an arc plate 1311, a left sector plate 1312, a right sector plate 1313, a left swing shaft 1314 and a right swing shaft 1315;

the left swing shaft 1314 and the right swing shaft 1315 are respectively arranged on the outer side of the left support seat 111 and the outer side of the right support seat 112;

the bottom of the left fan-shaped plate 1312 and the bottom of the right fan-shaped plate 1313 are respectively arranged at two ends of the arc-shaped plate 1311;

the top of the left sector plate 1312 is connected with the left pendulum shaft 1314;

the top of the right sector plate 1313 is connected with the right swing shaft 1315;

the curved plate 1311 is upwardly concave.

When the sand hopper 131 is opened, the arc plate 1311 is upwardly concave, so that sand is not easy to overflow.

Further, the bottom of the left support seat 111 and the bottom of the right support seat 112 are respectively provided with an arc block 1102, and the arc surface of the arc block 1102 is matched with the top surface of the arc plate 1311.

The arc-shaped surface of the arc-shaped block 1102 is matched with the top surface of the arc-shaped plate 1311, so that when the sand hopper 131 is opened or closed, the arc-shaped plate 1311 can move more smoothly.

Further, the first sand reservoir 11 is provided with a proximity switch 116.

The proximity switch 116 of the present embodiment is a capacitive proximity switch by which it can be sensed whether the first sand reservoir 11 is full.

Further, the screw shaft driving device 123 includes a motor frame 1231, a screw shaft driving motor 1232, a speed reducer 1233, a first driving sprocket 1234, a first driven sprocket 1235, and a chain;

the motor frame 1231 is arranged on one side of the first sand silo 11;

the speed reducer 1233 is arranged on the motor frame 1231, and the screw shaft driving motor 1232 is connected with the speed reducer;

the first driving sprocket 1234 is connected with the output end of the speed reducer 1233;

the first driven sprocket 1235 is disposed at an end of one end of the screw shaft 121, and the first driving sprocket 1234 and the first driven sprocket 1235 are connected by the chain.

The screw shaft driving motor 1232 drives the first driving sprocket 1234 to rotate through the speed reducer 1233, the first driving sprocket 1234 drives the first driven sprocket 1235 to rotate through the chain (not shown), the first driven sprocket 1235 drives the screw shaft 121 to rotate, and sand can be conveyed to a sand warehouse in a rotating manner, so that the sand warehouse is convenient and fast.

Further, the sand hopper driving device 132 includes a motor plate 1321, a sand hopper driving motor 1322, a first driving synchronizing wheel 1323, a first driven synchronizing wheel 1324, and a first synchronizing belt 1325;

the motor plate 1321 is arranged on one side of the first sand silo 11;

the sand hopper driving motor 1322 is mounted on the motor plate 1321;

the first driving synchronizing wheel 1323 is connected with the output end of the sand hopper driving motor 1322;

the first driven synchronizing wheel 1324 is connected with the left pendulum shaft 1314;

the first driving synchronizing wheel 1323 and the first driven synchronizing wheel 1324 are connected by the first synchronizing belt 1325.

The sand hopper driving motor 1322 drives the first driving synchronizing wheel 1323 to rotate, the first driving synchronizing wheel 1323 drives the first driven synchronizing wheel 1324 to rotate through the first synchronizing belt 1325, so that the first driven synchronizing wheel 1324 drives the left swinging shaft 1314 to rotate, and the left swinging shaft 1314 drives the left sector plate 1312 to move, so as to drive the arc plate 1311, the right sector plate 1313 and the right swinging shaft 1315 to move, so that the sand hopper 131 is moved to open and close the sand feeding port 1101, and the sand hopper driving motor 1322 is compact in structure and convenient to operate.

Further, a heating plate 141, a vibration motor and a first sealing cover 142 are included;

the heating plate 141 is disposed on an outer wall of the first front side plate 113;

the vibration motor is arranged on the outer wall of the first rear side plate 114;

the first sealing cover 142 is disposed on an outer wall of the first rear side plate 114 to cover the vibration motor.

The heating plate 141 is used for heating the sand material in the first sand warehouse 11, so that the fluidity of the sand material can be improved, and the phenomenon that the sand material is sticky due to too low temperature and is not beneficial to subsequent use is avoided; this embodiment is equipped with four shock dynamo through its vibrations, can further improve the mobility of sand material for the sand material is not sticky.

Further, the device also comprises a transition part 5 which comprises a vacuum transition tank 151, a sand inlet pipe 152, an exhaust pipe 153, a filter element, a sand feeding door and a weight sensor;

the sand inlet pipe 152 is arranged on the side wall of the vacuum transition tank 151;

the exhaust pipe 153 is arranged at the top of the vacuum transition tank 151;

the sand conveying door is arranged in the vacuum transition tank 151;

the weight sensor is arranged on the vacuum transition tank 151;

the filter element is arranged in the vacuum transition tank 151 and covers an air suction opening of the air suction pipe 153;

an opening is formed in the top of the pipe sleeve 122, an opening is formed in the bottom of the vacuum transition tank 151, and the opening in the bottom of the vacuum transition tank 151 is communicated with the opening in the top of the pipe sleeve 122.

The sand material mixed with the curing agent is stirred outside and sent into the vacuum transition tank 151 from the sand inlet pipe 152, the air exhaust pipe 153 exhausts air to suck the sand feeding door, and the filter element can ensure the air exhaust effect to suck the sand feeding door and prevent the sand material from being exhausted from the air exhaust pipe 153; when the weight sensor detects that the sand in the vacuum transition tank 151 reaches the rated weight, the air draft is stopped, the sand feeding door is opened, the sand flows into the opening at the top of the pipe sleeve 122 from the opening at the bottom of the vacuum transition tank 151, and the screw shaft 121 can rotationally feed the sand into the first sand silo 11.

Further, the device also comprises a left groove frame 161, a right groove frame 162, a buffer pad 163 and a silicon sheet 164;

the left tank frame 161 and the right tank frame 162 are respectively arranged at the top of the first sand silo 11;

the buffer pads 163 are respectively arranged at the bottoms of the left slot frame 161 and the right slot frame 162;

the silica gel sheet 164 is disposed at a connection position between one end of the sleeve 22 and the side wall of the first sand silo 11.

The arrangement of the left slot frame 161 and the right slot frame 162 is more convenient for the sand conveying device 1 to be installed in a sand casting system, and the buffer pad 163 can buffer the vibration of the sand conveying device 1 during working, so that the service life of the sand conveying device is prolonged; the silica gel sheet 164 can buffer the vibration generated when the screw shaft 121 works, so that the sleeve 22 can be installed more stably, and the sealing property of the joint between one end of the sleeve 22 and the side wall of the first sand silo 11 can also be improved.

The sand paving device 2 comprises a second sand warehouse 21, a swinging plate 22 and a swinging plate driving device; a transversely arranged blade 2101 is arranged at the bottom of the front side of the second sand silo 21;

a sand paving port 2102 is arranged at the bottom of the second sand warehouse 21, and a sand receiving port 2103 is arranged at the top of the second sand warehouse 21;

the swinging plate 22 is arranged at the rear side of the second sand silo 21;

the swing plate driving device is connected to the swing plate 22 to drive the swing plate 22 to open and close the sanding port 2102.

The second sand silo 21 is used as a carrier of sand, in this embodiment, the sand receiving port 2103 is arranged at the top of the second sand silo 21, so that the sand is conveniently and directly conveyed into the second sand silo 21 from the sand receiving port 2103; when the sanding operation needs to be carried out, the sanding device 2 can move to the front end of the working plate 45 of the sand box 3, then, the swinging plate driving device drives the swinging plate 22 to move so as to open the sanding port 2102, the sanding device 2 gradually moves towards the rear end of the working plate 45, sand materials gradually fall to the upper surface of the working plate 45 in the moving process, and due to the fact that the transversely arranged blade 2101 is arranged at the bottom of the front side of the second sand warehouse 21, when the sand materials fall, the blade 2101 can scrape the sand materials flat, and the effect of uniform sanding is achieved. The blade 2101 is mounted on the bottom of the front side of the second sand magazine 21 by a transverse bead 21010, and the stability of use of the blade 2101 can be improved.

Further, the second sand magazine 21 includes a second front side plate 211, a second rear side plate 212, a first left side plate 213, and a first right side plate 214;

both ends of the second front side plate 211 are respectively mounted on the front wall of the first left side plate 213 and the front wall of the first right side plate 214;

both ends of the second rear side plate 212 are respectively mounted on the rear wall of the first left side plate 213 and the rear wall of the first right side plate 214;

the second front side plate 211 is inclined inward and forms the sand laying port 2102 with the second rear side plate 212, and the horizontal position of the bottom end of the second front side plate 211 is lower than the horizontal position of the second rear side plate 212.

Due to the arrangement, the second front side plate 211 and the second rear side plate 212 are arranged in a V shape, so that sand can fall from the sand paving port 2102 to the upper surface of the working plate 45 more conveniently, and the sand paving is more efficient; first left side board 213 and first right side board 214 appear leaking the phenomenon of sand material when can preventing the shop sand, improve the rate of utilization of sand material, avoid extravagant sand material. The horizontal position of the bottom end of the second front side plate 211 is lower than the horizontal position of the second rear side plate 212, which can facilitate such a horizontal position difference, provide a position to accommodate the flap 22, and make the entire structure more compact.

Further, the lifting scraping part 24 is also included, which comprises a lifting device 241, a clip frame 242 and a scraping strip 243;

the lifting device 241 is installed on the outer wall of the second front side plate 211, the clamping frame 242 is installed at the driving end of the lifting device 241, and the scraping bar 243 is transversely installed on the clamping frame 242;

the bottom of the scraping bar 243 is provided with a protrusion 2431 extending laterally forward.

Elevating gear 241 is electromagnetic push rod, sanding device 2 removes extremely after sanding work is accomplished to the rear end of working plate 45, if there is unnecessary sand material, elevating gear 241 drive scrape the decline of strip 243, sanding device 2 continues the backward movement, scrapes unnecessary sand material to the collection box in, on the one hand, guarantees that the sand material on the working plate 45 is level even, and on the other hand can improve the rate of utilization of sand material, and the sand material in collecting the box can supply the use of sanding next time. The clamping frame 242 can clamp the scraping strip 243 more stably, so that the working stability of the scraping strip is improved; the bottom of scraping strip 243 is equipped with the bellying 2431 that transversely extends forward, can scrape unnecessary sand material cleaner, avoids sand material to leave over, the phenomenon of extravagant sand material appears.

Further, a U-shaped sealing strip 221 is transversely sleeved at the bottom of the swing plate 22;

the outer wall of the second front side plate 211 is provided with a vibration motor 2104.

U type sealing strip 221 can cover on the one hand in the bottom of swing board 22, on the other hand, works as when sanding mouth 2102 is in the closed condition, the bottom of swing board 22 supports second front side board 211, this moment, U type sealing strip 221 with second front side board 211 contacts, so can improve sanding mouth 2102 is sealed degree when closed condition, avoids appearing leaking the sand phenomenon. This embodiment is equipped with threely shock dynamo through its vibrations, can further improve the mobility of sand material for the sand material is not sticky, more does benefit to going on of follow-up shop's sand work.

Further, a left outer plate 215 and a right outer plate 216 are also included;

the left and right

outer plates

215 and 216 are fixed to the outer sides of the first left and

right side plates

213 and 214, respectively;

the swing plate driving device comprises a swing plate motor 231, a second driving chain wheel 232, a second driven chain wheel 233, a linkage shaft 234, a movable arm 235 and a chain;

the swing plate motor 231 is mounted on the right outer plate 216;

the second driving sprocket 232 is connected with the output end of the wobble plate motor 231;

the linkage shaft 234 is rotatably installed between the first left side plate 213 and the first right side plate 214, and the linkage shaft 234 is located at the rear side of the second rear side plate 212;

the second driven sprocket 233 is mounted at one end of the linkage shaft 234;

the second driving sprocket 232 and the second driven sprocket 233 both protrude from the outer side of the right outer plate 216, and the second driving sprocket 232 and the second driven sprocket 233 are connected by the chain;

two ends of the movable arm 235 are respectively connected to the linkage shaft 234 and the outer side of the swinging plate 22;

the top of the swing plate 22 is hinged to the outer wall of the second rear side plate 212 through a polish rod 222.

The swing plate motor 231 drives the second driving sprocket 232 to rotate, the second driving sprocket 232 drives the second driven sprocket 233 to rotate through the chain (not shown), the second driven sprocket 233 drives the linkage shaft 234 to rotate, the linkage shaft 234 drives the movable arm 235 to move, so that the swing plate 22 is driven to move, and the swing plate 22 is opened and closed to the sand paving port 2102.

Further, the movable arm 235 includes a first movable arm 2351 and a second movable arm 2352;

one end of the first movable arm 2351 is connected to the polished rod 222, the other end of the first movable arm 2351 is hinged to one end of the second movable arm 2352, and the other end of the second movable arm 2352 is hinged to the outer side of the swing plate 22.

The movable arm 235 includes a first movable arm 2351 and a second movable arm 2352, which can increase torque to accelerate the reaction of the swing plate 22, and can move the swing plate 22 with less effort.

Further, a moving assembly 25 is also included, which comprises a sand laying frame 251, a connecting frame 252, a slide block seat 253 and a first slide block 54;

the connecting frame 252 is transversely arranged at the top of the second sand silo 21;

the connecting frames 252 are respectively arranged at two ends of the sand laying frame 251;

the slider 53 is disposed at the bottom of the slider seat 253.

Through remove subassembly 25, it is convenient sand paving device 2 removes in the top of working plate 45, realizes the sanding. The front side and the rear side of the slider seat 253 are respectively provided with a first belt clamping seat 2531, and the bottom of the first belt clamping seat 2531 is provided with a first belt pressing block 2532; the hold-in range passes through first belt briquetting 2532 is pressed first belt holder 2531, during the hold-in range motion, can drive first slider 54 motion to drive the motion of shop's sand frame 251, realize the removal of whole shop's sand device 2. The drag chain frame 2533 arranged at the top of the sliding block seat 253 facilitates the installation of the drag chain.

Further, the bottom of the connecting frame 252 is provided with an adjusting member 2521, which is connected to the sanding frame 251.

The horizontal height of the sand laying frame 251 and thus the horizontal height of the whole sand laying device 2 can be adjusted by the adjusting part 2521 to adapt to different working conditions.

Further, the front side and the rear side of the slider seat 253 are respectively provided with a first belt clamping seat 2531, and the bottom of the first belt clamping seat 2531 is provided with a first belt pressing block 2532;

the top of the sliding block seat 253 is provided with a drag chain frame 2533.

Further, a second sealing cover 26 is provided on both the front side and the rear side of the second sand silo 21.

The second seal cover 26 can cover the components located at the front and rear sides of the second sand silo 21 from being exposed.

The sand box 33 comprises a box body 31, a limit strip 32, a support lug 33, a reinforcing strip 34 and a guide strip 35;

a positioning frame 311 is arranged at the bottom of the box body 31, and a first clearance hole 3111 is arranged in the middle of the positioning frame 311;

the positioning frame 311 is provided with a positioning sleeve 3112;

a sand leakage hole 3113 is arranged between the positioning frame 311 and the inner wall of the box body 31;

the limiting strips 32 are respectively arranged on the front side and the rear side of the box body 31;

the supporting lugs 33 are respectively arranged on the left side and the right side of the box body 31;

the guide strips 35 are respectively arranged on the left outer edge and the right outer edge of the top of the box body 31;

the reinforcing strips 34 are respectively arranged on the front side and the rear side of the box body 31, and two ends of each reinforcing strip 34 are connected with the end parts of the two guide strips 35.

When the sand casting device is used, the lifting driving mechanism drives the working plate 45 to lift in the box body 31 so as to perform sand casting, the working plate 45 is attached to the inner wall of the box body 31, sand materials can be paved on the upper surface of the working plate 45, and then the printing device 5 performs layer-by-layer printing on the sand paved on the working plate 45 so as to cast sand products.

The bottom of the box 31 is provided with a positioning frame 311, so that when the working plate 45 descends to the bottom of the box 31, the working plate 45 and sand mold products on the working plate 45 can be borne; when the lifting driving mechanism drives the working plate 45 to ascend and descend in the box 31, the lifting components such as the guide rod 43 and the support plate 44 need to ascend or descend simultaneously, and the first clearance hole 3111 in the middle of the positioning frame 311 can clear the lifting components of the working plate lifting mechanism 4, so that the working plate 45 can smoothly ascend and descend in the box 31.

The locating sleeve 3112 that the locating frame 311 was equipped with is the cooperation and is located the sand box setting element 452 use of work board 45 bottom, and when work board 45 descends to locating frame 311, sand box 3 setting element card 452 of work board 45 bottom is main the locating sleeve 3112 like this, the lift subassembly of work board elevating system 4 just can break away from work board 45 more easily, and further, box 31 just is easily transversely pulled out, takes out the sand mould product.

Although the working plate 45 is attached to the inner wall of the box body 31, a small amount of sand can not be leaked from the attachment part, the sand leakage hole 3113 is arranged, and the residual sand can pass through the sand leakage hole and leak to the outer sand frame 48, so that the utilization rate of the sand is improved, and the redundant sand can be reused.

The limiting strips 32 are respectively arranged on the front side and the rear side of the box body 31, and when sand casting is conveniently carried out, the second limiting block 821 fixes the box body 31 through the limiting strips 32, so that sand casting work is more stable. Because the weight of part of the sand mold products is larger, the supporting lugs 33 are respectively arranged on the left side and the right side of the box body 31, so that the box body 31 can be conveniently lifted by a forklift; the guide strips 35 are respectively arranged at the left outer edge and the right outer edge of the top of the box body 31, have a guiding effect on the box body 31, and can guide the movement of the box body 31 when the box body 31 is pulled out conveniently; the reinforcing strips 34 are respectively arranged on the front side and the rear side of the box body 31, and two ends of each reinforcing strip 34 are connected with the end parts of the two guide strips 35, so that the structure of the box body 31 is more stable.

Further, the level of the top surface of the reinforcing bar 34 is the same as the level of the top surface of the box body 31, and the level of the top surface of the guide bar 35 is lower than the level of the top surface of the reinforcing bar 34.

The collecting boxes 901 are installed on the left and right sides of the box body 31, and the connecting plates on the top of the collecting boxes 901 need to be connected with the box body 31, which is just favorable for the height difference between the top surfaces of the guide strips 35 and the reinforcing strips 34 to be used as the thickness of the connecting plates on the top of the collecting boxes 901, so that when the collecting boxes 901 are installed on the left and right sides of the box body 31, the horizontal heights of the top surfaces of the collecting boxes 901, the reinforcing strips 34 and the top surface of the box body 31 are consistent, and the structure is more compact and durable.

Further, the side wall of the box 31 has a two-layer structure, wherein the inner layer is made of stainless steel and the outer layer is made of aluminum alloy.

The box 31 is rigid and flexible, so that the structural strength of the box is guaranteed, the box 31 is lighter as a whole, the box 31 is more labor-saving when being moved, and the transportation is convenient.

Further, the portable storage box further comprises a handle 36 which is respectively arranged on the front side and the rear side of the box body 31, and the handle 36 is positioned above the limiting strip 32.

Set up handle 36, it is more convenient right the operation is pulled out to box 31, handle 36 is located spacing strip 32's top, this level is the more suitable operating personnel's of working habit.

Further, a flask foot plate 37 is provided on the left and right sides of the bottom of the box body 31.

The flask foot 37 provides a support point for the entire flask 31 when used in a sand casting system, and the flask 31 can be better placed in a transport mechanism in the sand casting system by the flask foot 37.

Further, the flask foot plate 37 protrudes from the side wall of the box body 31.

In this way, more positions can be reserved above the position where the flask foot plate 37 protrudes, and the lock conveyance mechanism 8 in the sand casting system can be kept clear, and the contact surface between the flask foot plate 37 and the conveyance mechanism is also larger, so that the carriage 31 can be more stably conveyed.

Further, the outer edge of the positioning frame 311 is provided with a plurality of connecting members 3114 extending outwards;

the end of the connector 3114 is connected to the inner wall of the case 31;

the sand leaking hole 3113 is formed between the adjacent connecting pieces 3114.

Further, the support lug 33 is an L-shaped support lug.

The L-shaped support ears make the box 31 easier to lift by a forklift.

Further, the support lug 33 extends from the front end to the rear end of the case 31.

The supporting lugs 33 have larger contact area with the forklift, and the box body 31 can be lifted more stably and labor-saving.

Further, the positioning frame 311 is a frame body including four frame strips 3115, and one positioning sleeve 3112 is disposed in the middle of each frame strip 3115.

So that the positioning sleeves 3112 are uniformly distributed, and the positioning sleeves 3112 can be better matched with the sand box positioning piece 452 at the bottom of the working plate 45 for use.

The working plate lifting mechanism 4 comprises a first bottom plate 41, a lifting driving device, a guide rod 43, a supporting plate 44, a working plate 45 and an electromagnetic chuck 46;

the lifting driving device is mounted on the first bottom plate 41;

the guide rod 43 vertically passes through the first bottom plate 41, and one end of the guide rod 43 is connected to the bottom of the supporting plate 44;

the supporting plate 44 is located above the first bottom plate 41;

the working plate 45 is placed on top of the pallet 44;

the electromagnetic chuck 46 is disposed on the support plate 44.

When the sand mould casting device is used, the lifting driving device can drive the supporting plate 44 to ascend and descend, the working plate 45 is placed on the top of the supporting plate 44, so that the working plate 45 is driven to ascend and descend in the sand box 3 to perform sand mould casting, the lifting of the working plate 45 can be guided more accurately through the matching of the guide rods 43, the working plate 45 is attached to the inner wall of the sand box 3, sand materials can be paved on the upper surface of the working plate 45, and then the printing device 5 performs layer-by-layer printing on the sand paved on the working plate 45 to cast sand mould products.

The electromagnetic chuck 46 sucks the working plate 45, so that the working plate 45 can be more stably prevented from being on the top of the supporting plate 44, and the stability of sand casting is improved; and, when the sand casting is completed, the power of the electromagnetic chuck 46 is cut off, the suction force of the electromagnetic chuck 46 is lost, the supporting plate 44 continues to descend, and the supporting plate descends out of the position range of the sand box, so that the sand mold is more easily pulled out transversely, and the sand mold product is taken out.

Further, the lifting driving device comprises a motor 421, a second driving synchronous wheel 422, a second driven synchronous wheel 423, a second synchronous belt 424, a screw rod 425 and a rotary nut;

the motor 421 is installed at the bottom of the first bottom plate 41, and the output end of the motor 421 protrudes from the top of the first bottom plate 41;

the second driving synchronous wheel 422, the second driven synchronous wheel 423 and the second synchronous belt 424 are all arranged at the top of the first bottom plate 41;

the second driving synchronizing wheel 422 is rotatably connected to the output end of the motor 421;

the second driving synchronous wheel 422 is connected with a second driven synchronous wheel 423 through the second synchronous belt 424;

the rotating nut is rotatably sleeved on the screw rod 425, and one end of the screw rod 425 is connected with the bottom of the supporting plate 44;

the second driven synchronizing wheel 423 is connected to the rotating nut.

The motor 421 drives the second driving synchronizing wheel 422 to rotate, the second driving synchronizing wheel 422 drives the second driven synchronizing wheel 423 to rotate through the second synchronous belt 424, and the second driven synchronizing wheel 423 drives the rotary nut to rotate, so that the screw rod 425 can lift up and down, and the supporting plate 44 is driven to lift up and down. Because the motor 421 is vertically installed, the output end of the motor 421 needs to protrude from the top of the first bottom plate 41, and therefore, the motor 421 is installed at the bottom of the first bottom plate 41, and more positions can be provided for the top of the first bottom plate 41 to install the second driving synchronizing wheel 422, the second driven synchronizing wheel 423, the second synchronizing belt 424 and other components, which saves more space.

Further, a tension part 426 including a first adjustment plate 4261 and a tension roller 4262 is further included;

the first adjusting plate 4261 is respectively arranged at two sides of the second driving synchronizing wheel 422, and the first adjusting plate 4261 is provided with a first adjusting hole 22611;

the tension roller 4262 is installed at one end of the first adjusting plate 4261;

the tension roller 4262 abuts against an outer surface of the second timing belt 424.

The tensioning rollers 4262 arranged at the two sides of the second driving synchronous wheel 422 abut against the outer surface of the second synchronous belt 424, so that the second synchronous belt 424 can be tensioned, the slipping phenomenon is avoided, and the working stability is improved; the installation position of the first adjusting plate 4261 can be adjusted through the first adjusting hole 22611, so that the interference degree between the tension roller 4262 and the outer surface of the second timing belt 424 is adjusted, and the tension degree of the second timing belt 424 is adjusted to suit different working conditions.

Further, a pulling plate 47 is arranged at the bottom of the guide rod 43, and the pulling plate 47 is provided with a second clearance hole 471;

a stroke contact 431 is provided at the proximal end of the bottom of the guide rod 43.

The lifting mechanism of the embodiment is provided with four guide rods 43, and the bottoms of the four guide rods 43 can be fixed through the pull plate 47, so that the guide rods 43 can be guided better; since the pulling plate 47 is lifted along with the lifting of the guiding rod 43, when the pulling plate 47 is lifted to the height position of the motor 421, the second clearance hole 471 can clear the motor 421, thereby protecting the structure of the motor 421. The travel contact 431 acts as a component of a go-to-go signal that, when raised to the bottom of the first base plate 41, indicates that the pallet 44 has been raised into position.

Further, a first accommodating groove 411 is formed at the bottom of the first bottom plate 41;

the first receiving slot 411 is located directly above the contact travel member 431.

When it rises to the bottom of the first bottom plate 41, the first receiving groove 411 can receive the stroke contact 431.

Further, a sand frame 48 is provided on top of the first bottom plate 41.

The area of the sand frame 48 is larger than that of the working plate 45, and the working plate 45 is arranged right above the sand frame 48; although the working plate 45 is attached to the inner wall of the sand box 3, a small amount of sand can not be leaked from the attachment part, sand leakage holes are formed in the periphery of the bottom of the sand box 3, and residual sand can leak to the sand frame 48 through the sand leakage holes, so that the utilization rate of the sand is improved, and the redundant sand can be reused.

Further, the foldable cover is also included, and two ends of the foldable cover are respectively connected to the top of the first bottom plate 41 and the bottom of the supporting plate 44.

The organ cover can seal precision parts such as the second driving synchronizing wheel 422, the second driven synchronizing wheel 423, the second synchronous belt 424 and the like, so that external pollutants are prevented from entering, the precision degree of the parts covered by the organ cover is ensured, and the service life of the organ cover is prolonged, and the work stability is improved.

Further, a working plate positioning part 441 is arranged at the top of the supporting plate 44, and a working plate positioning hole 451 matched with the working plate positioning part 441 is arranged at the bottom of the working plate 45;

by the cooperation of the working plate positioning part 441 and the working plate positioning hole 451, the working plate 45 can be placed more stably when being placed on the top of the supporting plate 44.

Further, a flask positioning piece 452 is further disposed at the bottom of the working plate 45.

When the work plate 45 is lowered to the bottom of the flask 3, the flask positioning piece 452 will engage with the positioning sleeve at the bottom of the flask 3, so that the work plate 45 can be placed more stably in the flask 3.

Further, a sealing member is disposed around the working plate 45.

The seal will conform to the inner wall of the sand box 3, reducing the likelihood of sand leakage as much as possible.

The printing device 5 comprises a printing box 51, a spray head 52, an ink box 53, an elevation component 54, a moving component and a locking component 56;

the spray head 52 is installed in the print box 51, and a spray opening 521 of the spray head 52 is positioned at the bottom of the print box 51 and faces to the lower part of the bottom of the print box 51;

the ink box 53 is arranged in the printing box 51;

the height-adjusting assembly 54 comprises an adjusting wheel 541 and a screw 542;

the moving assembly includes a moving frame 551;

the adjusting wheel 541 is sleeved on the screw 542, and one end of the screw 542 is connected with the bottom of the movable frame 551;

the printing box 51 is provided with a second accommodating groove 511 for accommodating the adjusting wheel 541;

the locking assembly 56 is disposed between the printing box 51 and the moving frame 551, and is used for locking the printing box 51.

The ink box 53 is filled with adhesive, the ink box 53 is connected with the spray head 52 through a soft rubber pipe, the spray opening 521 of the spray head 52 accurately sprays the adhesive to the paved sand according to a preset pattern, so that the sand is solidified, and a sand mold product is obtained after the sand is solidified layer by layer.

The movable frame 551 is installed on a slide rail of the sand casting system, and the movable frame 551 is driven to move by a timing belt, so that the entire printing apparatus 5 moves along with the movement of the movable frame 551, thereby realizing new all-dimensional printing.

By rotating the adjusting wheel 541, the screw 542 is lifted up and down, so that the horizontal height of the printing box 51 can be adjusted, and the horizontal height of the spray head 52 can be adjusted to adapt to different working conditions. The second holding tank 511 is used for holding the adjusting wheel 541, so that the partial edge of the adjusting wheel 541 protrudes out of the printing box 51, and thus, most of the adjusting wheel 541 can be hidden in the second holding tank 511, the structure is more compact, and the adjusting wheel 541 can be adjusted by a worker conveniently.

After the horizontal height of the print box 51 is adjusted, the print box 51 is locked to the moving frame 551 by the locking assembly 56, so that the stability of the operation of the entire printing apparatus 5 can be improved.

Further, a guiding assembly 7 is also included, which includes a guiding post 571 and a linear bearing 572;

the linear bearing 572 is mounted on the top of the print box 51, the guide post 571 is sleeved in the linear bearing 572, and one end of the guide post 571 is connected with the bottom of the moving frame 551.

Through the matching of the guide columns 571 and the linear bearings 572, the horizontal height of the print box 51 can be accurately guided, so that the positions of the nozzles 521 of the spray heads 52 in the print box 51 are more suitable for different printing conditions, and the reliability of the print box is improved.

Further, the locking assembly 56 includes a second adjusting plate 561 and a locking screw 562;

one end of the second adjusting plate 561 is fixed to the outside of the top of the print box 51;

the second adjusting plate 561 is provided with an adjusting hole, and the locking screw 562 penetrates through the adjusting hole and is locked.

The regulation hole is the hole of rectangular shape, is in through locking screw 562 lock second regulating plate 561 in on the suitable position of regulation hole remove frame 551 to can lock print box 51, convenient and fast, the head of locking screw 562 is equipped with the plum blossom handle, makes things convenient for operating personnel to wrench movement operation locking screw 562.

Further, the moving assembly further includes a second slider 552 and a stroke contact block 553;

the moving frame 551 includes a second bottom plate 5511, a second left side plate 5512, and a second right side plate 5513;

the second left side plate 5512 and the second right side plate 5513 are respectively arranged on the left side and the right side of the second bottom plate 5511;

the stroke contact block 553 is provided at the top of the second left side plate 5512;

the inboard of second left side board 5512 and the inboard of second right side board 5513 are equipped with first spacing groove 5501 respectively, the installation of second slider 552 with in the first spacing groove 5501.

The second sliding block 552 is matched with a sliding rail of the sand casting system, and the stroke contact block 553 is arranged at the top of the second left side plate 5512 and is in contact with a stroke switch of the sand casting system after being more conveniently positioned. The second sliding block 552 is installed in the first limiting groove 5501, so that the second sliding block 552 is installed more stably, and the working stability is improved.

Further, a second belt clamping seat 555 and a second belt pressing block 556 are also included;

one side of the second belt clamping seat 555 is provided with the first limiting groove 5501;

the second belt pressing block 556 is mounted on the other side of the second belt clamp 555.

Fix the hold-in range at second belt clamp 555 through second belt briquetting 556, during the hold-in range motion, just can drive whole removal frame 551 motion to drive whole printing device 5 and remove.

Further, a cartridge holder 531 is provided at the top of the printing box 51, and is located at one side of the moving frame 551.

The ink box support 531 is a U-shaped support, the ink box 53 is installed at the top of the ink box support 531, so that the space can be saved, the ink box 53 is elevated, and the space is reserved for distribution of the soft rubber tube.

Further, the top of the print box 51 is provided with wire holes 12, which are respectively disposed on the left and right sides of the ink cartridge holder 531.

The flexible glue pipe connected with the ink box 53 can enter the printing box 51 through the thread through hole 12, so that the connection between the flexible glue pipe and the spray head 52 is realized.

Further, a scanning towline frame 554 is also included, which is installed at the outer side of the moving frame 551.

The installation of the outside tow chain is convenient.

Further, a circuit board and a circuit board protective case 581 are also included;

the circuit board is mounted to the front side of the print box 51;

the circuit board protective case 581 is installed at the front side of the print box 51 to cover the circuit board;

one side of the circuit board protective shell 581 is provided with a wire inlet 5811.

The electrical lines on the circuit board are connected with electrical conduits of the sprayer 52 to supply power to the sprayer 52, the circuit board protective shell 581 can protect the circuit board from being damaged by external factors, and the connection of external lines and the circuit board is facilitated through the wire inlet holes 5811.

Further, an ink cartridge cover 532 is provided, which is attached to an outer wall of the print box 51 and covers the ink cartridge 53.

The ink cartridge 53 can be protected from external factors.

The cleaning device 6 comprises a collecting library 61, a scraping blade 621, a scraping blade seat 622, a scraping blade driving device 63, a first limiting block 64 and a liquid storage box 65;

the top of the collecting storehouse 61 is provided with an opening;

the two ends of the blade seat 622 are respectively rotatably connected with two opposite inner walls of the collecting warehouse 61 through blade seat shafts 6221;

the driving device 3 is installed on the outer wall of the collection warehouse 61, and the driving end of the driving device 3 is connected with the blade seat shaft 6221;

the scraping blade 621 is transversely clamped on the top of the scraping blade seat 622;

the scraping blade 621 is made of a soft material, such as rubber;

the first limit block 64 is mounted on the inner wall of the left side of the collecting bin 61, and the first limit block 64 is located on the left side of the scraper seat 622;

the liquid storage box 65 is positioned below the scraper seat 622, and the liquid storage box 65 is installed in the collection chamber 61.

The cleaning device 6 is used for cleaning the nozzle of the printing device 5 of the sand casting system. During the use, the cleaning solution is equipped with in the liquid storage box 65, doctor blade drive arrangement 63 drives doctor blade seat 622 rotates, makes doctor blade 621 rotates to the liquid storage box 65 department that is located doctor blade seat 622 below, and the cleaning solution in the liquid storage box 65 is moist behind doctor blade 621, doctor blade drive arrangement 63 drives again doctor blade seat 622 rotates, makes doctor blade 621 is towards printing device 5's shower nozzle, simultaneously, because first stopper 64 install in collect the left inner wall in storehouse 61, the lateral wall of doctor blade seat 622 can support first stopper 64, then printing device 5's shower nozzle is in doctor blade 621 department round trip movement makes doctor blade 621 can scrape the impurity such as sand material, dust of the spout department of shower nozzle fully away, improves the subsequent printing quality of printing device 5.

Since the sidewall of the blade seat 622 abuts against the first stopper 64, the blade seat 622 is more stably fixed and more stable in use, and the contact area of the blade 621 with the nozzle of the printing apparatus 5 is larger, so that the cleaning is cleaner.

Further, the lower portion of the collection chamber 61 includes a left inclined plate 611, a right inclined plate 612, and a third bottom plate 63;

the left sloping plate 611 and the right sloping plate 612 both slope inward;

the bottom of the left sloping plate 611 and the bottom of the right sloping plate 612 are connected with both sides of the third bottom plate 63.

On the one hand, the structure is more compact and durable, and on the other hand, the cleaning solution is convenient to drain away.

Further, a material outlet 6131 is arranged in the middle of the third bottom plate 63.

The cleaning liquid in the liquid storage box 65 can be discharged from the discharge port 6131, so that the treatment is convenient.

Further, two sides of the top of the collecting chamber 61 are provided with mounting plates extending outwards.

The convenient collection storehouse 61 is arranged at the bottom of the top panel 71 in a screw-up mode, and provides an installation position for screws.

Further, the blade driving device 63 is a motor.

Further, the bottom of the blade 621 is gradually narrowed toward the top, and the transverse section of the blade 621 is V-shaped.

With this configuration, the blade 621 and the nozzle of the head of the printing apparatus 5 can be cleaned more cleanly.

The printing test device 7 comprises a top panel 71, a guide plate 72, a paper frame 731, a paper roll 732 and a tensioning assembly;

the guide plate 72 is arranged on the roof panel surface 1, and the upper surface of the guide plate 72 is a plane;

the top panel 71 is provided with guide holes 721 at the front and rear sides of the guide plate 72, respectively;

the paper holder 731 is mounted at the bottom of the top panel 71;

the paper roll 732 is rotatably mounted on the paper frame 731 through a paper shaft;

the tensioning assembly comprises a tensioning frame 741, a pressure roller 742 and a sanding stick 743;

the tensioning frame 741 is mounted at the bottom of the top panel 71;

the pressure roller 742 and the sanding roller 743 are respectively rotatably connected to the tensioning frame 741;

the surface of the pressing roller 742 is wrapped with a soft material;

the pinch roller 742 is positioned above the sanding stick 743, and the pinch roller 742 is proximate to the sanding stick 743;

the tension frame 741 is located in front of the paper frame 731.

The printing test device 7 is used for testing the printing effect of the printing device 5 in the sand casting system.

When in use, the printing paper is drawn out from the paper roll 732, the printing paper upwards passes through the guide hole 721 at the rear side of the guide plate 72 from the bottom of the top panel 71, then is drawn towards the guide hole 721 at the front side of the guide plate 72 and downwards passes through the guide hole 721 from the top of the top panel 71, the paper head of the printing paper is drawn towards the tensioning assembly, the surface of the pressing roller 742 is coated with a soft material, and the soft material can be rubber, polyurethane and the like; the pressure roller 742 presses the paper head of the printing paper against the surface of the sanding roller 743, so that the printing paper can be tensioned, the main body of the printing paper can be laid on the upper surface of the guide plate 72, and subsequent printing quality and stability are improved. Then the printing device 5 prints a preset pattern on the upper surface of the printing paper, and whether the nozzle of the printing device 5 is blocked or not can be judged according to the definition and the integrity of the pattern, so that the test effect is achieved.

When printing is completed, the paper head of the printing paper is pulled out, and the sanding stick 743 is hard and is sanded, so that larger friction force can be provided for the bottom of the printing paper, and the printing paper can be pulled out by a worker more easily to watch the printed patterns.

Further, the front end and the rear end of the guide plate 72 are both in arc transition.

The printing paper can be smoothly transited from the front end to the rear end of the guide plate 72, and the printing paper is not easy to break when being tensioned, so that the waste of the printing paper is avoided.

Further, the tensioning assembly further comprises tension springs 744 respectively disposed at two ends of the sanding rod 743;

one end of the tension spring 744 is fixed to the tension frame 741, and the other end thereof is fixed to the end of the sanding rod 743.

Through the tension spring 744, the sanding roller 743 can be pulled close to the pressing roller 742, and printing paper can be clamped more conveniently.

Further, two ends of the tensioning frame 741 are respectively provided with a second stepped adjusting hole 7411, and the second adjusting hole 7411 is an arc-shaped hole;

the two ends of the sanding stick 743 are clamped in the second adjusting holes 7411.

The relative distance between the sanding roller 743 and the pressure roller 742 can be conveniently adjusted through the stepped second adjusting hole 7411. The second adjusting holes 7411 are arc-shaped holes, so that the two ends of the sanding stick 743 can be clamped in the second adjusting holes 7411 more stably.

Further, a drawing outlet 74111 is provided at the end of the second adjusting hole 7411.

When the sanding stick 743 needs to be detached, the sanding stick 743 only needs to be pulled out of the pull-out opening 74111, and the operation is convenient and quick.

Further, two ends of the paper holder 731 are respectively provided with an adjusting groove 7311, one end of the adjusting groove 7311 is provided with an opening, and the other end is closed.

The paper roll 732 is rotatably mounted in an adjustment groove 7311 of the paper holder 731 by a paper shaft.

The position of the paper shaft can be conveniently adjusted through the adjusting groove 7311 so as to adapt to different working conditions. When the paper roll 732 needs to be replaced, the paper roll is only required to be pulled out from the opening at one end of the adjusting groove 7311, which is convenient and fast.

Further, a plum handle 733 is included and is provided at the end of the paper spindle.

The plum blossom-shaped handle 733 is more convenient for a worker to operate and more convenient for adjusting the position of the paper shaft in the adjusting groove 7311.

Further, the top panel 71 is provided with a cleaning port 711, which is located on the left side of the guide plate 72;

the cleaning device 6 is installed at the bottom of the cleaning port 711.

If the pattern of the printing paper is not clear after printing, the printing device 5 can be moved to the cleaning opening 711, and the cleaning device 6 is used for cleaning the nozzle of the printing device 5, so that the subsequent printing quality is improved.

Further, the top panel 71 is provided with a waste opening 712 located on the left side of the cleaning opening 711, and a waste box is installed below the waste opening 712.

Because printing device 5 is located the top of top panel 71, set up waste opening 712, it is easy to assemble the waste bin, the waste bin also conveniently collects the waste material that printing device 5 produced.

Further, the top panel 71 is provided with a collection port 713 positioned behind the cleaning port 711, and a collection tank 901 is installed below the collection port 713.

The collection port 713 is arranged to facilitate installation of the collection box 901, the printing test device 7 is installed on one side of the sand box 3 of the sand casting system, and the residual sand of the sand box 3 can be conveyed to the collection box 901, so that subsequent use of the residual sand is facilitated, and the device is more environment-friendly and is not wasted.

The locking conveying mechanism 8 comprises a locking assembly and a conveying assembly;

the locking assembly comprises a second stopper 821 and a locking device 822;

the second limiting block 821 is arranged at the rear of the sand box 3, and a second limiting groove 8211 is arranged on the surface of the second limiting block 821 facing to the rear side of the sand box 3 and used for limiting a limiting strip 32 at the rear side of the sand box 3;

the locking device 822 is arranged in front of the sand box 3 and is used for locking the limiting strip 32 on the front side of the sand box 3;

the conveying assembly comprises a roller frame 831, a roller 832 and a roller driving device;

the roller wheel frames 831 are respectively arranged on the left side and the right side of the sand box 3;

the rollers 832 are respectively arranged at the inner sides of the roller frames 831;

the bottom of the flask 3 is placed on the rollers 832 of the roller frames 831 on the left and right sides of the flask 3, and the roller driving device drives the rollers 832 to rotate.

The locking conveying mechanism 8 is arranged in a sand casting system, when sand casting is carried out, the sand box 3 needs to be fixed, the front side and the rear side of the sand box 3 are respectively provided with a limiting strip 32, the limiting strip 32 positioned on the rear side of the sand box 3 is just limited in the second limiting groove 8211, and the locking device 822 arranged in front of the sand box 3 is matched to lock the limiting strip 32 on the front side of the sand box 3, so that the whole sand box 3 is locked, the stability of sand casting can be improved, the printing device 5 can stably print on the working plate 45 in the sand box 3, and the casting stability of the sand box 3 and the quality of products of the sand box 3 are improved.

When sand casting is completed, the locking device 822 is unlocked, the roller driving device drives the rollers 832 to rotate, the sand box 3 is conveyed out, and workers can take out sand mold products from the sand box, so that the sand casting is convenient and quick. The roller driving device of this embodiment is a motor, and the roller 832 is driven to rotate by the motor driving the chain wheel and the chain.

Further, the locking device 822 comprises a handle 8221, a swing arm shaft 8222, a swing arm seat 8223, a pressing block 8224 and a plum blossom handle screw 8225;

the handle 8221 is connected with one end of the swing arm shaft 8222;

the swing arm shaft 8222 penetrates from the front to the rear of the swing arm seat 8223;

the bottom of the pressing block 8224 is connected with the other end of the swing arm seat 8223;

the pressing block 8224 is provided with a bayonet 82241;

the plum blossom handle screw 8225 is arranged on the pressing block 8224 and is positioned in front of the bayonet 82241.

Through the swing handle 8221, swing arm axle 8222 drives briquetting 8224 rotates, just can smoothly with spacing strip 32 card in the buckle 2241, the tight again plum blossom handle screw 8225, the tip of plum blossom handle screw 8225 supports spacing strip 32 to the realization locking the spacing strip 32 of sand box 3 front side. The locking device 822 composed of the handle 8221, the swing arm shaft 8222, the swing arm seat 8223, the pressing block 8224 and the plum blossom handle screw 8225 is simple in structure, convenient to operate and capable of improving the working efficiency.

Further, a top plate 8311 is arranged at the top of the roller frame 831, and a top block 83111 is arranged at the bottom of the top plate 8311;

the bottom surface of the top block 83111 contacts the top surface of the flask foot plate 37.

The top block 83111 may also be a flat key.

The finished product auxiliary cleaning device 9 comprises a bracket 91, an auxiliary top plate 92, an auxiliary bottom plate 93, a lifting driving device 94 and an auxiliary supporting plate 95;

the auxiliary top plate 92 is mounted on the upper portion of the bracket 91;

the auxiliary bottom plate 93 is mounted on the lower part of the bracket 91;

a roller 961 is transversely arranged at the top of the bracket 91;

the left side and the right side of the top of the bracket 91 are respectively provided with a carrying strip 962 which is longitudinally arranged;

the auxiliary guide strips 963 are arranged at the left and right sides of the top of the bracket 91, and the auxiliary guide strips 963 are positioned above the carrying strip 962;

an auxiliary limiting block 911 is arranged on the front side of the top of the bracket 91;

the auxiliary supporting plate 95 is located above the auxiliary top plate 92, and the lifting driving device 94 is mounted on the bracket 91 and is used for driving the auxiliary supporting plate 95 to lift.

Because the elongated flask foot plates 37 are arranged on the left and right sides of the bottom of the box body 31, and the flask foot plates 37 protrude from the side walls of the box body 31, the finished product auxiliary cleaning device 9 is used for firstly pulling the box body 31 into the top parts of the carrying bars 962 longitudinally arranged on the left and right sides of the top part of the bracket 91, and the carrying bars 962 mainly carry the flask foot plates 37, so that the whole box body 31 is carried;

in the process of pulling the box 31 into the carrying bar 962, the auxiliary guide bar 963 will stick to the outer side wall of the flask foot plate 37, so that the movement of the whole flask can be guided and limited, and the operation of pulling the flask is more stable, and the arrangement of the rollers 961 can save more labor in the process of pulling the flask, and the embodiment has two rollers 961 which are respectively arranged in parallel in front of and behind the top of the bracket 91.

When the box body 31 is pulled to the front side of the top of the bracket 91, the auxiliary limit block 911 limits the front wall of the sand box, and the box body 31 is limited stably by the cooperation of the auxiliary guide strips 963 arranged on the left side and the right side of the top of the bracket 91 and the auxiliary limit block 911, so that the subsequent work is facilitated.

The bottom of the box 31 is provided with a positioning frame 311, so that when the working plate 45 is placed at the bottom of the box 31, it is possible to carry the work plate 45 in the box 31 and the sand mold finished product on the work plate 45, and the middle of the positioning frame 311 is provided with a first clearance hole 3111, so that, when the box 31 is stably placed, when the lifting driving device 94 drives the auxiliary supporting plate 95 to ascend, the auxiliary supporting plate 95 can smoothly lift up and ascend the working plate 45, and during the process of ascending the working plate, the worker sucks the surface of the sand mold finished product and the residual sand on the top of the working plate 45 by using the sand sucker, and then, when the working plate 45 rises to the highest position, the residual sand can be completely sucked, the appearance of a sand mold finished product is cleaned up and taken out more cleanly, the utilization rate of the residual sand can be improved, and the residual sand in the sand sucker can be reused.

Further, the lifting driving device 94 includes a lifting motor 941, a gear box 942, a reference plate 943, a reference plate guide rod 944, a lifting shaft 945, and a pallet guide rod 946;

the lifting motor 941 and the gear box 942 are both mounted on the top of the auxiliary base plate 93, and the output end of the lifting motor 941 is connected with the input end of the gear box 942;

the reference plate 943 is located between the auxiliary top plate 92 and the auxiliary bottom plate 93, and the reference plate 943, the auxiliary top plate 92 and the auxiliary bottom plate 93 are parallel to each other;

one end of the lifting shaft 945 is rotatably connected to the output end of the gear box 942, and the other end of the lifting shaft 945 is rotatably connected to the bottom of the auxiliary top plate 92;

the main body of the lifting shaft 945 is provided with a lifting nut 9451, and the reference plate 943 is fixed on the outer wall of the lifting nut 9451;

the reference plate guide rod 944 passes through the top and bottom of the reference plate 943, and both ends of the reference plate guide rod 944 are connected to the bottom of the auxiliary top plate 92 and the top of the auxiliary bottom plate 93, respectively;

the pallet guide bar 946 passes through the top and bottom of the auxiliary top plate 92, and both ends of the pallet guide bar 946 are connected to the top of the reference plate 943 and the bottom of the auxiliary pallet 95, respectively.

The gear box 942 can be a bevel gear structure or a worm gear structure, or other gear structures, the lifting motor 941 drives the gear box 942 to rotate, so as to drive the lifting shaft 945 to rotate, the lifting shaft 945 drives the lifting nut 9451 to ascend along the body of the lifting shaft 945, so as to drive the reference plate 943 to ascend, and the reference plate 943 drives the pallet guide rod 946 to ascend, so as to drive the auxiliary pallet 95 to ascend.

The number of the reference plate guide rods 944 and the pallet guide rods 946 in this embodiment is four, so that the auxiliary pallet 95 is more stable when it rises, and the load bearing capacity of the auxiliary pallet 95 against the work plate in the flask is also increased.

Further, a plurality of universal balls 9621 are provided at the top of the carrier bar 962 at equal intervals.

By providing the universal ball 9621, the friction force applied when the box body 31 is pulled into the carrying bar 962 is reduced, and the labor is saved.

Further, a box pressing bar 964 is included and is longitudinally installed on the top of the auxiliary guide bar 963;

the inner edge of the carton pressing strip 964 protrudes out of the inner edge of the auxiliary guide strip 963.

In this way, when the box 31 is pulled into the carrying bar 962, the bottom of the protruding part of the box pressing bar 964 can press the top of the part of the sand box foot plate 37 protruding from the side wall of the box 31, and finally the sand box can be placed more stably, so that the stability of the subsequent cleaning of the sand mold finished product is improved.

Further, the carton pressing device further comprises positioning seats 9641 which are arranged at the front end and the rear end of the carton pressing strip 964;

an auxiliary plum blossom handle screw 96411 is arranged on the outer side of the positioning seat 9641.

The outside of positioning seat 9641 is equipped with threaded hole, and when the sand box was put steadily at carrier bar 962, the supplementary plum blossom handle screw 96411 in the threaded hole of positioning seat was tightened to the accessible, and like this, the tip of supplementary plum blossom handle screw 96411 just can support the outer wall of sand box, just can further lock the sand box, stability when further improving follow-up clearance to the sand mould finished product.

Further, an auxiliary electromagnetic chuck 965 is included and installed to the bottom of the auxiliary plate 95.

The suction cups of the auxiliary electromagnetic suction cups 965 are exposed to the top of the auxiliary pallet 95, and the auxiliary electromagnetic suction cups 965 suck the work plate 45 in the flask, so that the work plate 45 can be more stably placed on the top of the auxiliary pallet 95; when the power supply of the electromagnetic chuck 6 is cut off, the suction force of the electromagnetic chuck 6 is lost, and the auxiliary supporting plate 95 is lowered out of the position range of the box body 31, so that the sand box is pulled out more easily subsequently.

The present embodiment has two auxiliary electromagnetic chucks 965.

Further, a working plate positioning piece 441 is arranged at the top of the auxiliary supporting plate 95.

Through the cooperation of the working plate positioning piece 441 and the positioning hole positioned at the bottom of the working plate, the working plate 45 can be placed more stably when being placed at the top of the auxiliary supporting plate 95.

The present embodiment has four work plate positioning members 441 arranged in an array.

Further, a stroke bracket 966 and an auxiliary stroke contact block 67 are also included;

the stroke frame 966 is respectively arranged at the bottom of the auxiliary top plate 92 and the top of the auxiliary bottom plate 93, and a photoelectric switch 9661 is arranged on the stroke frame 966;

the auxiliary stroke contact block 67 is provided on one side of the reference plate 943.

When the auxiliary stroke contact block 67 reaches the position of the photoelectric switch 9661, which represents that the auxiliary blade 95 has reached the corresponding working height, the auxiliary blade 95 stops rising.

The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.

Claims

1. The utility model provides a sand casting system convenient to sand mould finished product clearance which characterized in that: the sand spreading and cleaning device comprises a sand conveying device, a sand spreading device, a sand box, a working plate lifting mechanism, a printing device, a cleaning device, a printing test device, a locking conveying mechanism and a finished product auxiliary cleaning device;

a working plate is arranged in the sand box;

the locking conveying mechanism is used for locking and conveying the sand box;

the finished product auxiliary cleaning device is arranged on one side of the section bar rack;

the finished product auxiliary cleaning device comprises a bracket, an auxiliary top plate, an auxiliary bottom plate, a lifting driving device and an auxiliary supporting plate;

the auxiliary top plate is arranged at the upper part of the bracket;

the auxiliary bottom plate is arranged at the lower part of the bracket;

a roller is transversely arranged at the top of the bracket;

the left side and the right side of the top of the bracket are respectively provided with a longitudinally arranged bearing strip;

the auxiliary guide strips are arranged on the left side and the right side of the top of the bracket and are positioned above the bearing strip;

a limiting block is arranged on the front side of the top of the bracket;

the auxiliary supporting plate is positioned above the auxiliary top plate, and the lifting driving device is arranged on the bracket and is used for driving the auxiliary supporting plate to lift;

the lifting driving device comprises a lifting motor, a gear box, a reference plate guide rod, a lifting shaft and a supporting plate guide rod;

the lifting motor and the gear box are both arranged at the top of the auxiliary bottom plate, and the output end of the lifting motor is connected with the input end of the gear box;

the reference plate is positioned between the auxiliary top plate and the auxiliary bottom plate, and the reference plate, the auxiliary top plate and the auxiliary bottom plate are parallel to each other;

one end of the lifting shaft is rotatably connected to the output end of the gear box, and the other end of the lifting shaft is rotatably connected to the bottom of the auxiliary top plate;

the main body of the lifting shaft is provided with a lifting nut, and the reference plate is fixed on the outer wall of the lifting nut;

the reference plate guide rod penetrates through the top and the bottom of the reference plate, and two ends of the reference plate guide rod are respectively connected to the bottom of the auxiliary top plate and the top of the auxiliary bottom plate;

the supporting plate guide rod penetrates through the top and the bottom of the auxiliary top plate, and two ends of the supporting plate guide rod are connected to the top of the reference plate and the bottom of the auxiliary supporting plate respectively.

2. A sand casting system for facilitating cleaning of finished sand molds according to claim 1, wherein: the sand conveying device comprises a first sand warehouse, a spiral shaft, a pipe sleeve, a spiral shaft driving device, a sand hopper and a sand hopper driving device;

one end of the spiral shaft is arranged in the first sand silo, the other end of the spiral shaft is arranged in the pipe sleeve, and one end of the pipe sleeve is connected with the side wall of the first sand silo;

the bottom of the first sand warehouse is provided with a sand feeding port, and the sand hopper is hinged to the bottom of the first sand warehouse so as to control the opening and closing of the sand feeding port;

the screw shaft driving device is connected with the screw shaft;

the sand hopper driving device is connected with the sand hopper.

3. A sand casting system for facilitating cleaning of finished sand molds according to claim 1, wherein: the sand paving device comprises a second sand warehouse, a swinging plate and a swinging plate driving device; a transversely arranged blade is arranged at the bottom of the front side of the second sand silo;

a sand paving port is formed in the bottom of the second sand warehouse, and a sand receiving port is formed in the top of the second sand warehouse;

the swing plate is arranged on the rear side of the second sand silo;

the swing plate driving device is connected with the swing plate to drive the swing plate to open and close the sand paving port;

the device also comprises a lifting scraping part which comprises a lifting device, a clamping frame and a scraping strip;

the lifting device is arranged on the outer wall of the front side of the second sand silo, the clamping piece frame is arranged at the driving end of the lifting device, and the scraping strip is transversely arranged on the clamping piece frame;

the bottom of the scraping strip is provided with a convex part which extends forwards and transversely.

4. A sand casting system for facilitating cleaning of finished sand molds according to claim 1, wherein: the sand box comprises a box body, a limiting strip, a supporting lug, a reinforcing strip and a guide strip;

the bottom of the box body is provided with a positioning frame, and the middle of the positioning frame is provided with a first clearance hole;

the positioning frame is provided with a positioning sleeve;

a sand leakage hole is formed between the positioning frame and the inner wall of the box body;

the limiting strips are respectively arranged on the front side and the rear side of the box body;

the supporting lugs are respectively arranged on the left side and the right side of the box body;

the guide strips are respectively arranged on the left outer edge and the right outer edge of the top of the box body;

the reinforcing strips are respectively arranged on the front side and the rear side of the box body, and two ends of each reinforcing strip are connected with the end parts of the two guide strips.

5. A sand casting system convenient for cleaning of finished sand molds according to claim 4, characterized in that: the working plate lifting mechanism comprises a first bottom plate, a lifting driving device, a guide rod, a supporting plate, a working plate and an electromagnetic chuck;

the lifting driving device is arranged on the first bottom plate;

the guide rod vertically penetrates through the first bottom plate, and one end of the guide rod is connected to the bottom of the supporting plate;

the supporting plate is positioned above the first bottom plate;

the working plate is attached to the inner wall of the box body and is arranged at the top of the supporting plate,

the electromagnetic chuck is arranged on the supporting plate;

the first bottom plate is positioned below the box body, and the supporting plate can enter or leave the interior of the box body from the first clearance hole.

6. A sand casting system for facilitating cleaning of finished sand molds according to claim 1, wherein: the printing device comprises a printing box, a spray head, an ink box, a height adjusting assembly, a moving assembly and a locking assembly;

the spray head is arranged in the printing box, and a spray opening of the spray head is positioned at the bottom of the printing box and faces to the lower part of the bottom of the printing box;

the ink box is arranged in the printing box;

the height adjusting assembly comprises an adjusting wheel and a screw rod;

the moving assembly comprises a moving frame;

the adjusting wheel is sleeved on the screw rod, and one end of the screw rod is connected with the bottom of the movable frame;

the printing box is provided with an accommodating groove for accommodating the adjusting wheel;

the locking assembly is arranged between the printing box and the movable frame and used for locking the printing box.

7. A sand casting system for facilitating cleaning of finished sand molds according to claim 1, wherein: the cleaning device comprises a collecting warehouse, a scraping blade seat, a scraping blade driving device, a first limiting block and a liquid storage box;

the top of the collecting storehouse is provided with an opening;

two ends of the scraping sheet seat are respectively rotatably connected to two opposite inner walls of the collecting warehouse through scraping sheet seat shafts;

the scraping blade driving device is installed on the outer wall of the collecting warehouse, and the driving end of the scraping blade driving device is connected with the scraping blade seat shaft;

the scraping blade is transversely clamped at the top of the scraping blade seat;

the scraping blade is made of soft materials;

the first limiting block is arranged on the inner wall of the left side of the collecting bin and is positioned on the left side of the scraping sheet seat;

the liquid storage box is positioned below the scraper seat, and the liquid storage box is arranged in the collection warehouse.

8. A sand casting system convenient for cleaning of finished sand molds according to claim 6, characterized in that: the printing test device comprises a top panel, a guide plate, a paper frame, a paper roll and a tensioning assembly;

the guide plate is arranged on the top panel, and the upper surface of the guide plate is a plane;

the top panel is provided with guide holes which are respectively positioned at the front side and the rear side of the guide plate;

the paper frame is arranged at the bottom of the top panel;

the paper roll is rotatably arranged on the paper frame through a paper shaft;

the tensioning assembly comprises a tensioning frame, a pressing roller and a sanding roller;

the tensioning frame is arranged at the bottom of the top panel;

the pressing roller and the sanding roller are respectively rotatably connected to the tensioning frame;

the surface of the compression roller is wrapped with a soft material;

the compression roller is positioned above the frosted roller, and is close to the frosted roller;

the tensioning frame is positioned in front of the paper frame.

9. A sand casting system convenient for cleaning of finished sand molds according to claim 4, characterized in that: the locking conveying mechanism comprises a locking assembly and a conveying assembly;

the locking assembly comprises a second limiting block and a locking device;

the second limiting block is arranged behind the sand box, and a second limiting groove is formed in the surface, facing the rear side of the sand box, of the second limiting block and used for limiting a limiting strip on the rear side of the sand box;

the locking device is arranged in front of the sand box and used for locking the limiting strip on the front side of the sand box;

the conveying assembly comprises a roller frame, rollers and a roller driving device;

the roller wheel frames are respectively arranged on the left side and the right side of the sand box;

the rollers are respectively arranged on the inner sides of the roller frames;

the bottom of the sand box is placed on the rollers of the roller frames on the left side and the right side of the sand box, and the roller driving device drives the rollers to rotate.