CN108080580B

CN108080580B - Sand casting system

Info

Publication number: CN108080580B
Application number: CN201810135534.3A
Authority: CN
Inventors: 周胜豪
Original assignee: Jh Tech Electronic (gz) Ltd
Current assignee: Jh Tech Electronic (gz) Ltd
Priority date: 2018-02-09
Filing date: 2018-02-09
Publication date: 2024-01-16
Anticipated expiration: 2038-02-09
Also published as: CN108080580A

Abstract

A sand casting system comprises a sand material conveying device, a sand paving device, a sand box, a working plate lifting mechanism, a printing device, a cleaning device, a printing test device and a locking conveying mechanism; 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 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 mould products; one side of the sand box is arranged on the cleaning device and the printing test device; the locking and conveying mechanism is used for locking and conveying the sand box. According to the invention, the sand casting system is provided, the sand casting process is more compact and efficient, the working efficiency and the stability are higher, and the quality of sand casting products is higher.

Description

Sand casting system

Technical Field

The invention relates to the field of sand casting equipment, in particular to a sand casting system.

Background

The sand casting technology is a rapid prototyping technology, which is a technology for constructing objects by using powdery metal or plastic and other bondable materials in a layer-by-layer printing mode based on digital model files, and is often used for manufacturing models in the fields of mould manufacturing, industrial design and the like.

When the existing sand casting system performs sand casting, the flow is not compact, the working efficiency is low, and the sand casting system is not beneficial to the sand casting.

Disclosure of Invention

The invention aims to provide a sand casting system, which has the advantages of more compact and efficient sand casting process, higher working efficiency and stability and higher quality of sand casting products.

To achieve the purpose, the invention adopts the following technical scheme:

a sand casting system comprises a sand material conveying device, a sand paving device, a sand box, a working plate lifting mechanism, a printing device, a cleaning device, a printing test device and a locking conveying mechanism;

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 mould products;

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

The locking and conveying mechanism is used for locking and conveying the sand box.

According to the invention, the sand casting system is provided, the sand casting process is more compact and efficient, the working efficiency and the stability are higher, and the quality of sand casting products is higher.

After the batching is accomplished in the outside to the sand material, through sand material conveyor carries the sand material extremely the sanding device, the sanding device can be in order to spread the sand in the top of sand box, spread the sand material flat spreading, the sand material is spread at the working plate, makes things convenient for follow-up printing device to the inkjet printing of sand material.

Before printing device prints, need print the operation of test to test quality and the effect of printing, pass through belt cleaning device washs the shower nozzle of printing device, and then the impurity such as sand material, dust that are located in the spout of shower nozzle just can be cleared up away, then printing device prints on printing test device again, and then, 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 through the locking conveying mechanism, so that the stability of sand casting can be improved, the printing device can stably print on a working plate in the sand box, and the stability of sand box casting and the quality of sand box products are improved. When sand casting is completed, the locking conveying mechanism is unlocked, the sand box is conveyed out, and a worker can take out the sand mould product in the sand box, so that the sand casting machine is convenient and quick.

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

Drawings

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

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

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

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

FIG. 5 is a top view of a sanding apparatus in accordance with one embodiment of the present invention;

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

FIG. 7 is a schematic view of the construction of a sanding apparatus in accordance with one embodiment of the present invention;

FIG. 8 is a schematic view of the construction of a sanding apparatus in accordance with one embodiment of the present invention;

FIG. 9 is a schematic view of the structure of a flask according to one embodiment of the invention;

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

FIG. 11 is a top plan view of a flask according to one embodiment of the invention;

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

FIG. 13 is an enlarged view of a portion at C of FIG. 12;

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

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

FIG. 16 is a schematic view of the flask and matchplate lifting mechanism of one embodiment of the present invention;

fig. 17 is a schematic structural view of a printing apparatus according to one embodiment of the present invention;

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

FIG. 19 is a schematic view showing the structure of a cleaning device and a print test device according to one embodiment of the present invention;

FIG. 20 is a schematic view showing the structure of a cleaning device and a print test device according to one embodiment of the present invention;

FIG. 21 is a schematic view of the structure 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 view of the structure of one embodiment of the present invention;

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

Wherein: the sand conveyance device 1, the first sand magazine 11, the left support base 111, the right support base 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 pendulum shaft 1314, the right pendulum shaft 1315, the sand hopper driving device 132, the motor plate 1321, the sand hopper driving motor 1322, the first driving synchronizing wheel 1323, the first driven synchronizing wheel 1324, 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 suction pipe 153, the left groove frame 161, the right groove frame 162, the cushion 163, and the silica gel sheet 164.

The sanding apparatus 2, the second sand magazine 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 bead 21010, the sanding port 2102, the sand receiving port 2103, the vibration motor 2104, the swinging plate 22, the U-shaped sealing strip 221, the polish rod 222, the swinging 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 and scraping part 24, the lifting device 241, the clip frame 242, the scraping strip 243, the boss 2431, the moving assembly 25, the sanding frame 251, the connecting frame 252, the adjusting piece 2521, the slider seat 253, the first belt clip seat 2531, the first belt press 2532, the drag chain frame 2533, the first slider 54, the second seal 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 connector 3114, the frame strip 3115, the limit strip 32, the support lug 33, the reinforcement strip 34, the guide strip 35, the handle 36, and the sand box foot plate 37.

The work plate elevating mechanism 4, the first bottom plate 41, the first accommodation groove 411, the motor 421, the second driving synchronizing wheel 422, the second driven synchronizing wheel 423, the second timing belt 424, the screw rod 425, the tension part 426, the first adjusting plate 4261, the tension roller 4262, the first adjusting hole 22611, the guide rod 43, the stroke contact 431, the pallet 44, the work plate positioning member 441, the work plate 45, the work plate positioning hole 451, the flask positioning member 452, the electromagnetic chuck 46, the pulling plate 47, the second clearance hole 471, and the sand frame 48.

The printing apparatus 5, the printing box 51, the second accommodation groove 511, the head 52, the spout 521, the ink cartridge 53, the ink cartridge holder 531, the ink cartridge housing 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 holder 554, the second belt holder 555, the second belt press 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 case 581, the wire inlet 5811.

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

The printing test apparatus 7, the top panel 71, the cleaning port 711, the waste port 712, the collection port 713, the guide plate 72, the guide hole 721, the paper holder 731, the adjustment groove 7311, the paper roll 732, the plum blossom handle 733, the tension holder 741, the second adjustment hole 7411, the pull-out port 741111, the pinch roller 742, the sanding roller 743, and the tension spring 744.

The device comprises a locking conveying mechanism 8, a sand box 3, a limit bar 32, a sand box foot plate 37, a handle 36, a supporting lug 33, a reinforcing bar 34, a guide bar 35, a second limit block 821, a second limit 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, a roller 832 and a collecting box 9.

Detailed Description

The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.

As shown in fig. 1 to 25, a sand casting system comprises a sand material conveying device 1, a sand laying device 2, a sand box 3, a work plate lifting mechanism 4, a printing device 5, a cleaning device 6, a printing test device 7 and a locking conveying mechanism 8; of course, sand casting systems also include profile frames.

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 mould products;

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

the lock conveying mechanism 8 is used for locking and conveying the sand box 3.

After the batching is accomplished in the outside to the sand material, through sand material conveyor 1 carries the sand material extremely the sanding device 2, the sanding device 2 can be in with the sanding in order to shop sand in the top of sand box 3, paves the sand material evenly, and the sand material is paved at work plate 45, makes things convenient for follow-up printing device 5 to the inkjet printing of sand material.

Before the printing device 5 prints, the operation of printing test is needed to test the printing quality and effect, the spray nozzle of the printing device 5 is cleaned by the cleaning device 6, so that impurities such as sand, dust and the like in the spray nozzle of the spray nozzle can be cleaned away, then the printing device 5 prints on the printing test device 71, the printing accuracy is higher, the quality is better, and a good working state is provided for subsequent sand casting.

When sand casting is carried out, the whole sand box 3 is locked through the locking conveying mechanism 8, so that the stability of sand casting can be improved, and the printing device 5 can stably print on the working plate 45 in the sand box 3, and the stability of sand box 3 casting and the quality of sand box 3 products are improved. When sand casting is completed, the locking conveying mechanism 8 is unlocked, and the sand box 3 is conveyed out, so that a worker can take out sand products in the sand box, and the sand casting machine is convenient and quick.

Through material conveyor 1, sanding device 2, sand box 3, work plate elevating system 4, printing device 5, belt cleaning device 6, printing test device 7 and locking conveying mechanism 8 for the process of whole sand casting 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 disposed in the first sand silo 11, the other end of the screw shaft 121 is disposed in the sleeve 22, and one end of the sleeve 22 is connected with the side wall of the first sand silo 11;

the bottom of the first sand warehouse 11 is provided with a sand feeding port 1101, and the sand hopper 131 is hinged to the bottom of the first sand warehouse 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 with the sand hopper 131.

The first front side panel 113 of fig. 3 is not shown for a clearer view of the structure within the first sand magazine 11, and the arcuate panel 1311 is not shown in fig. 4 for a clearer view of the sand feed opening 1101.

The sleeve 22 can protect the screw shaft 121 and also can 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 sand is uniformly and rotatably fed into the first sand warehouse 11 by the rotary grains on the screw shaft, so that the effect of the subsequent use of the sand is improved.

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

Further, the first sand magazine 11 includes a left support base 111, a right support base 112, a first front side plate 113, a first rear side plate 114, and a top cover plate 115;

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

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

both ends of the top cover 115 are respectively fixed to the inner sides of the left support base 111 and the right support base 112;

the first front side plate 113 and the first rear side plate 114 are respectively inclined inward to form the sand feed port 1101.

By 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 more conveniently fall from the sand feeding port 1101 to the external sand paving device 2. The top cover plate 115 can avoid the phenomenon that sand materials are sent into the first sand warehouse 11 in a rotating way to leak outwards.

Further, the sand hopper 131 includes an arcuate plate 1311, a left sector plate 1312, a right sector plate 1313, a left pendulum shaft 1314, and a right pendulum shaft 1315;

the left swing shaft 1314 and the right swing shaft 1315 are respectively disposed outside the left support base 111 and outside the right support base 112;

the bottoms of the left sector plate 1312 and the right sector plate 1313 are respectively arranged at two ends of the arc 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 pendulum shaft 1315;

the arcuate plate 1311 is upwardly concave.

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

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

By the arcuate surface of the arcuate block 1102 cooperating with the top surface of the arcuate plate 1311, the arcuate plate 1311 moves more smoothly when the sand hopper 131 is opened or closed.

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

The proximity switch 116 of the present embodiment is a capacitive proximity switch, through which it is possible to sense whether the first sand magazine 11 is fully loaded.

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 at one side of the first sand warehouse 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 to the output end of the speed reducer 1233;

the first driven sprocket 1235 is provided 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 passes through the chain (not shown) to drive the first driven sprocket 1235 to rotate, and the first driven sprocket 1235 drives the screw shaft 121 to rotate, so that sand can be sent into the sand warehouse in a rotating manner, and the sand warehouse is convenient and quick.

Further, the sand hopper driving device 132 comprises 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 provided at one side of the first sand magazine 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 to 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 pendulum shaft 1314 to rotate, and the left pendulum 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 pendulum shaft 1315 to move, thereby realizing the movement of the sand hopper 131 to open and close the sand feeding port 1101, and the sand hopper driving motor is compact in structure and convenient to operate.

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

the heating plate 141 is provided on the 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, and covers the vibration motor.

The heating plate 141 heats the sand in the first sand warehouse 11, so that the fluidity of the sand can be improved, and the problem that the sand is sticky due to the too low temperature is avoided, which is not beneficial to the subsequent use; the embodiment is provided with four vibrating motors, and the flowability of the sand material can be further improved through vibration of the vibrating motors, so that 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 feeding 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 the exhaust opening of the exhaust pipe 153;

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

The sand materials with the curing agent mixed by external stirring are sent into the vacuum transition tank 151 from the sand inlet pipe 152, the exhaust pipe 153 is used for exhausting air and sucking the sand conveying door, and the filter element can ensure the exhaust effect to suck the sand conveying door and prevent the sand materials from being exhausted from the exhaust pipe 153; when the weight sensor detects that the sand in the vacuum transition tank 151 reaches the rated weight, the air suction 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 rotate and feed the sand into the first sand warehouse 11.

Further, the left frame 161, the right frame 162, the cushion 163 and the silicone sheet 164 are included;

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

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

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

The arrangement of the left groove frame 161 and the right groove 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 vibration generated when the screw shaft 121 works, so that the sleeve 22 can be installed more stably, and the tightness of the joint between one end of the sleeve 22 and the side wall of the first sand silo 11 can be improved.

The sanding device 2 comprises a second sand warehouse 21, a swinging plate 22 and a swinging plate driving device; the bottom of the front side of the second sand magazine 21 is provided with a transversely arranged blade 2101;

the bottom of the second sand warehouse 21 is provided with a sand paving opening 2102, and the top of the second sand warehouse 21 is provided with a sand receiving opening 2103;

the swing plate 22 is arranged at the rear side of the second sand warehouse 21;

the swing plate driving means is connected to the swing plate 22 to drive the swing plate 22 to open and close the sanding opening 2102.

The second sand silo 21 is used as a carrier of sand materials, in this embodiment, the sand receiving port 2103 is arranged at the top of the second sand silo 21, so that the sand materials can be conveniently conveyed into the second sand silo 21 directly from the sand receiving port 2103; when needing to carry out the sanding operation, the sanding device 2 can remove to the front end of the work board 45 of sand box 3, then, swing board drive arrangement drive swing board 22 removes, in order to open the sanding mouth 2102, the sanding device 2 removes to the rear end of work board 45 gradually, at the in-process of removal, the sand material whereabouts extremely the upper surface of work board 45 gradually, because the bottom of second sand storehouse 21 front side is equipped with the blade 2101 that transversely sets up, when the sand material whereabouts, blade 2101 can strickle the sand material, reaches the effect of even sanding. The blade 2101 is mounted at the bottom of the front side of the second sand magazine 21 by a transverse pressing bar 21010, so that the stability of the blade 2101 in use 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 to 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 to 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 sanding opening 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.

By the arrangement, the second front side plate 211 and the second rear side plate 212 are arranged in a V shape, so that sand is more convenient to fall from the sand spreading opening 2102 to the upper surface of the working plate 45, and sand spreading is more efficient; the first left side plate 213 and the first right side plate 214 can prevent the phenomenon of sand leakage during sand paving, improve the utilization rate of sand and avoid the waste of sand. The lower horizontal position of the bottom end of the second front side plate 211 than the second rear side plate 212 can facilitate such a horizontal position difference, and provide a position for accommodating the swing plate 22, so that the overall structure is more compact.

Further, the lifting scraper 24 includes a lifting device 241, a clip frame 242, and a scraper 243;

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

the bottom of the scraping strip 243 is provided with a protruding part 2431 extending forwards and transversely.

The lifting device 241 is an electromagnetic push rod, after the sand paving device 2 moves to the rear end of the working plate 45 to finish sand paving work, if redundant sand materials exist, the lifting device 241 drives the scraping strip 243 to descend, the sand paving device 2 continues to move backwards and scrapes the redundant sand materials into the collecting box, on one hand, the sand materials on the working plate 45 are ensured to be smooth and uniform, on the other hand, the utilization rate of the sand materials can be improved, and the sand materials in the collecting box can be used for next sand paving. The clamping piece frame 242 can clamp the scraping strip 243 more stably, so that the working stability of the scraping strip is improved; the bottom of the scraping strip 243 is provided with the protruding portion 2431 extending forwards and transversely, so that redundant sand can be scraped more cleanly, sand is prevented from being left, and the phenomenon of sand waste is avoided.

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

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

The U-shaped sealing strip 221 can cover the bottom of the swing plate 22, and when the sanding opening 2102 is in a closed state, the bottom of the swing plate 22 is abutted against the second front side plate 211, and at this time, the U-shaped sealing strip 221 contacts with the second front side plate 211, so that the sealing degree of the sanding opening 2102 in the closed state can be improved, and the sand leakage phenomenon is avoided. The three vibrating motors are arranged in the embodiment, and the flowability of the sand material can be further improved through vibration of the three vibrating motors, so that the sand material is not sticky, and the follow-up sand paving work is facilitated.

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

the left outer plate 215 and the right outer plate 216 are fixed to the outer sides of the first left side plate 213 and the first right side plate 214, respectively;

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

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

the second driving sprocket 232 is connected with the output end of the swing 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 to one end of the linkage shaft 234;

the second driving sprocket 232 and the second driven sprocket 233 are protruded to the outside of the right outer plate 216, and the second driving sprocket 232 and the second driven sprocket 233 are connected by the chain;

both ends of the movable arm 235 are respectively connected to the outside of the linkage shaft 234 and the swing 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 a chain (not shown), the second driven sprocket 233 drives the linkage shaft 234 to rotate, and 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 opens and closes the sanding opening 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 polish 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 make the reaction speed of the swing plate 22 faster, and can save more effort to drive the swing plate 22 to move.

Further, a movement assembly 25 is included, which includes a sanding frame 251, a connection frame 252, a slider seat 253, and a first slider 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 sanding frame 251;

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

By the moving assembly 25, the sanding device 2 is convenient to move above the working plate 45, so that sanding is realized. The front side and the rear side of the sliding block 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 synchronous belt is pressed on the first belt clamping seat 2531 through the first belt pressing block 2532, and when the synchronous belt moves, the first sliding block 54 can be driven to move, so that the sand-laying frame 251 is driven to move, and the whole sand-laying device 2 is moved. The drag chain frame 2533 provided on the top of the sliding block seat 253 facilitates the installation of the drag chain.

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

By means of the adjusting elements 2521, the horizontal height of the sanding frame 251 and thus of the entire sanding device 2 can be adjusted to suit different conditions.

Further, a first belt holder 2531 is respectively disposed on the front and rear sides of the slider seat 253, and a first belt pressing block 2532 is disposed at the bottom of the first belt holder 2531;

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

Further, the second sand magazine 21 is provided with a second seal cover 26 on both front and rear sides.

The second seal housing 26 is capable of housing components located on the front and rear sides of the second sand magazine 21 from exposure.

The sand box 33 comprises a box body 31, a limit strip 32, a supporting 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 31;

the limit 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 at 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 the reinforcing strips 34 are connected with the ends 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 prints the sand paved on the working plate 45 layer by layer so as to cast a sand casting product.

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

The positioning sleeve 3112 provided on the positioning frame 311 is used in cooperation with the sand box positioning member 452 located at the bottom of the work plate 45, when the work plate 45 descends to the positioning frame 311, the sand box 3 positioning member card 452 at the bottom of the work plate 45 is mainly located on the positioning sleeve 3112, and thus, the lifting assembly of the work plate lifting mechanism 4 is easier to separate from the work plate 45, and further, the box 31 is easier to be pulled out transversely, and the sand mold product is taken out.

Although the working plate 45 is attached to the inner wall of the box 31, it is also avoided that a small amount of sand will leak from the attachment position thereof, the sand leakage holes 3113 are provided, and the residual sand can leak to the external 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.

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 convenient to perform, the second limiting blocks 821 are fixed on the box body 31 through the limiting strips 32, so that sand casting work is more stable. Because the weight of part of sand mould products is large, 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 lifted by a forklift conveniently; 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 guide 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 the reinforcing strips 34 are connected with the ends of the two guide strips 35, so that the structure of the box body 31 is more stable.

Further, the top surface of the reinforcing strip 34 has a level identical to that of the top surface of the case 31, and the top surface of the guide strip 35 has a level lower than that of the reinforcing strip 34.

The collecting box 9 is mounted on the left side and the right side of the box body 31, the connecting plate at the top of the collecting box 9 needs to be connected with the box body 31, the height difference between the top surface of the guide strip 35 and the reinforcing strip 34 is just favorable as the thickness of the connecting plate at the top of the collecting box 9, and thus, when the collecting box 9 is mounted on the left side and the right side of the box body 31, the horizontal heights of the top surface of the collecting box 9, the top surface of the reinforcing strip 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 case 31 has a two-layer structure, wherein the inner layer is made of stainless steel material, and the outer side is made of aluminum alloy material.

The case 31 is rigid and flexible, so that the structural strength of the case is ensured, the case 31 is lighter, and the case 31 is more labor-saving to move and convenient to transport.

Further, a handle 36 is provided at the front side and the rear side of the case 31, and the handle 36 is located above the limit bar 32.

The handle 36 is provided, so that the pulling operation of the box 31 is more convenient, the handle 36 is positioned above the limit strip 32, and the level is more suitable for the working habit of operators.

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

The flask foot 37 provides a support point for the whole of the box 31 when used in a sand casting system, by means of which flask foot 37 the box 31 can be better placed in a transport mechanism in the sand casting system.

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

In this way, more positions can be reserved above the protruding position of the sand box foot plate 37 to avoid the locking conveying mechanism 8 in the sand casting system, and meanwhile, the contact surface between the sand box foot plate 37 and the conveying mechanism is larger, so that the box 31 can be conveyed more stably.

Further, a plurality of connectors 3114 extending outwards are arranged at the outer edge of the positioning frame 311;

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

the sand leakage holes 3113 are formed between the adjacent connectors 3114.

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

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

Further, the support lugs 33 extend from the front end to the rear end of the case 31.

The supporting lugs 33 have larger contact area with the forklift, so that the box 31 is ensured to be more stable and labor-saving when being forked up.

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

So that the positioning sleeves 3112 are evenly distributed, and the positioning sleeves 3112 are better used with the flask positioning members 452 at the bottom of the work plate 45.

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 pallet 44 is located above the first floor 41;

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

the electromagnetic chuck 46 is disposed on the pallet 44.

During the use, lift drive can drive layer board 44 rise and decline, because work board 45 place in the top of layer board 44, thereby drive work board 45 goes up and down in sand casting in sand box 3, through the cooperation of guide bar 43, the lift of work board 45 can obtain more accurate direction, and work board 45 is laminating in the inner wall of sand box 3, and the sand material can be spread to the upper surface of work board 45, then printing device 5 right the sand of spreading on the work board 45 carries out the layer by layer and prints in order to cast sand mould product.

The electromagnetic chuck 46 attracts the work plate 45, so that the work plate 45 can be more stably prevented from being on top of the pallet 44, thereby improving stability in sand casting; when the sand casting is completed, the electromagnetic chuck 46 is powered off, the suction force of the electromagnetic chuck 46 is lost, the supporting plate 44 is continuously lowered, the position range of the sand box is lowered, and therefore the sand mold is easier to transversely pull out, 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 rotating nut;

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

the second driving synchronizing wheel 422, the second driven synchronizing wheel 423 and the second synchronizing belt 424 are all arranged on 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 synchronizing wheel 422 is connected with a second driven synchronizing wheel 423 through the second synchronizing 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 with 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 synchronizing belt 424, and the second driven synchronizing wheel 423 drives the rotating 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 be protruded from the top of the first bottom plate 41, so that 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 components such as the second driving synchronizing wheel 422, the second driven synchronizing wheel 423, the second synchronizing belt 424, and the like, which saves more space.

Further, a tensioning portion 426 is also included, which includes a first adjustment plate 4261 and a tensioning roller 4262;

the first adjusting plates 4261 are respectively disposed at two sides of the second active synchronizing wheel 422, and the first adjusting plates 4261 are provided with first adjusting holes 22611;

the tensioning roller 4262 is mounted at one end of the first adjusting plate 4261;

The tensioning roller 4262 abuts the outer surface of the second timing belt 424.

The tensioning rollers 4262 arranged at two sides of the second driving synchronizing wheel 422 are abutted against the outer surface of the second synchronizing belt 424, so that the second synchronizing belt 424 can be tensioned, the slipping phenomenon is avoided, and the working stability is improved; the mounting position of the first adjusting plate 4261 can be adjusted through the first adjusting hole 22611, so as to adjust the degree of contact between the tensioning roller 4262 and the outer surface of the second timing belt 424, thereby adjusting the tensioning degree of the second timing belt 424 to adapt to different working conditions.

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

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

The lifting mechanism of the embodiment has 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 better guided; since the pull plate 47 will rise along with the rising of the guide rod 43, when the pull plate 47 rises to the height position of the motor 421, the second clearance hole 471 can avoid the motor 421, so as to protect the structure of the motor 421. The travel contact 431 acts as a means of an in-place signal that when it rises to the bottom of the first floor 41, it is representative that the pallet 44 has been raised in place.

Further, a first receiving slot 411 is provided at the bottom of the first bottom plate 41;

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

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

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 directly above the sand frame 48; although the working plate 45 is attached to the inner wall of the sand box 3, it is avoided that a small amount of sand material can leak from the attaching position of the working plate, 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 material is improved, and the redundant sand material can be reused.

Further, an organ cover is further included, and both ends of the organ 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 the second driving synchronous wheel 422, the second driven synchronous wheel 423, the second synchronous belt 424 and other precise parts, so as to avoid external pollutants from entering, ensure the precision degree of the parts covered by the organ cover, and further increase the service life and the working stability of the organ cover.

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

by the cooperation of the work plate positioning member 441 and the work plate positioning hole 451, the work plate 45 is more stably placed on top of the pallet 44.

Further, a flask positioning member 452 is provided at the bottom of the work plate 45.

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

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

The seal will conform to the interior walls of the flask 3, minimizing the likelihood of sand leakage.

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

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

the ink cartridge 53 is provided in the print tank 51;

the height adjustment assembly 54 includes an adjustment 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 moving frame 551;

the print tank 51 is provided with a second accommodation groove 511 for accommodating the regulating wheel 541;

the locking assembly 56 is provided between the print tank 51 and the moving frame 551, and is used to lock the print tank 51.

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

The moving frame 551 is installed on a slide rail of the sand casting system, and the moving frame 551 is driven to move by a synchronous belt, so that the whole printing device 5 can move along with the movement of the moving frame 551, and the new omnibearing printing is realized.

By rotating the adjustment wheel 541 so that the screw 542 is lifted up and down, the horizontal height of the print tank 51 can be adjusted, thereby adjusting the horizontal height of the head 52 to suit different conditions. The second accommodating groove 511 is configured to accommodate the adjusting wheel 541, so that a portion of the edge of the adjusting wheel 541 protrudes outside the print box 51, and thus, most of the adjusting wheel 541 can be hidden in the second accommodating groove 511, which makes the structure more compact and facilitates the adjustment of the adjusting wheel 541 by a worker.

After the horizontal height of the printing box 51 is adjusted, the locking assembly 56 locks the printing box 51 to the moving frame 551, so that the working stability of the whole printing apparatus 5 can be improved.

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

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

Through the cooperation of the guiding column 571 and the linear bearing 572, the horizontal height of the printing box 51 can be adjusted to obtain more accurate guiding, so that the nozzle 521 of the nozzle 52 positioned in the printing box 51 is more suitable for different printing conditions, and the reliability of the printing box is improved.

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

one end of the second regulating plate 561 is fixed to the outside of the top of the print tank 51;

the second adjustment plate 561 is provided with an adjustment hole through which the locking screw 562 passes and locks.

The adjusting hole is a long-strip-shaped hole, the second adjusting plate 561 is locked on the moving frame 551 at a proper position of the adjusting hole through the locking screw 562, so that the printing box 51 can be locked, convenience and rapidness are achieved, the plum blossom handle is arranged at the head of the locking screw 562, and an operator can twist the locking screw 562 conveniently.

Further, the moving assembly further includes a second slider 552 and a travel 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 disposed on the left and right sides of the second bottom plate 5511;

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

the inner side of the second left side plate 5512 and the inner side of the second right side plate 5513 are respectively provided with a first limiting groove 5501, and the second slider 552 is mounted in the first limiting groove 5501.

The second slider 552 cooperates with a slide rail of the sand casting system, and the travel contact block 553 is disposed at the top of the second left side plate 5512, so that the second slider is more convenient to contact with a travel switch of the sand casting system after being in place. The second slider 552 is mounted in the first limiting groove 5501, so that the second slider 552 is mounted more stably, and the working stability is improved.

Further, a second belt clip 555 and a second belt press 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 clamping seat 555.

The synchronous belt is fixed on the second belt clamping seat 555 through the second belt pressing block 556, and when the synchronous belt moves, the whole moving frame 551 is driven to move, so that the whole printing device 5 is driven to move.

Further, an ink cartridge holder 531 is provided on the top of the print tank 51, and is located on one side of the moving frame 551.

The ink box support 531 is the support of U type, the ink box 53 is installed at the top of ink box support 531, can save more space, and is raised with the ink box 53, has reserved the space and has given the distribution of soft rubber tube.

Further, the top of the print box 51 is provided with a wire through hole 12, which is respectively provided at the left and right sides of the cartridge holder 531.

The flexible hose connected with the ink cartridge 53 can enter the inside of the print tank 51 through the wire passing hole 12, thereby realizing the connection of the flexible hose and the spray head 52.

Further, a scanning drag chain bracket 554 is provided, which is mounted on the outer side of the moving bracket 551.

The installation of the external drag chain is convenient.

Further, a circuit board and circuit board protective case 581;

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

the circuit board protection case 581 is mounted on the front side of the print case 51 to cover the circuit board;

One side of the circuit board protective housing 581 is provided with a wire inlet 5811.

The electric wire on the circuit board is connected with the electric wire tube of the shower nozzle 52 to supply power for the shower nozzle 52, the circuit board protection shell 581 can protect the destruction of the external factor of circuit board, through the inlet wire hole 5811, make things convenient for the external circuit to be connected with the circuit board.

Further, an ink cartridge housing 532 is provided, which is attached to the outer wall of the print tank 51 and houses the ink cartridge 53.

The ink cartridge 53 can be protected from external factors.

The cleaning device 6 comprises a collecting warehouse 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 collection warehouse 61 is provided with an opening;

both ends of the wiper seat 622 are rotatably connected to two opposite inner walls of the collecting chamber 61 through wiper seat shafts 6221, respectively;

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

the wiper blade 621 is laterally clamped to the top of the wiper blade holder 622;

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

the first limiting block 64 is installed on the inner wall of the left side of the collecting base 61, and the first limiting block 64 is located on the left side of the wiper blade seat 622;

The liquid storage box 65 is located below the doctor blade seat 622, and the liquid storage box 65 is mounted with the collecting warehouse 61.

The cleaning device 6 is used for cleaning the spray heads of the printing device 5 of the sand casting system. When the cleaning liquid is used, the cleaning liquid is filled in the liquid storage box 65, the doctor blade driving device 63 drives the doctor blade seat 622 to rotate, the doctor blade 621 rotates to the liquid storage box 65 below the doctor blade seat 622, after the cleaning liquid in the liquid storage box 65 wets the doctor blade 621, the doctor blade driving device 63 drives the doctor blade seat 622 to rotate again, so that the doctor blade 621 faces the spray head of the printing device 5, meanwhile, as the first limiting block 64 is arranged on the inner wall on the left side of the collecting warehouse 61, the side wall of the doctor blade seat 622 can prop against the first limiting block 64, and then the spray head of the printing device 5 moves back and forth at the doctor blade 621, so that the doctor blade 621 can sufficiently scrape impurities such as sand, dust and the like at the spray nozzle of the spray head, and the subsequent printing quality of the printing device 5 is improved.

Since the side wall of the blade seat 622 abuts against the first limiting block 64, the blade seat 622 is more stable in use, and the contact area between the blade 621 and the nozzle of the printing apparatus 5 is larger, so that the cleaning is cleaner.

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

the left inclined plate 611 and the right inclined plate 612 are inclined inward;

the bottom of the left inclined plate 611 and the bottom of the right inclined plate 612 are connected to 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 liquid is convenient to drain away.

Further, a discharge port 6131 is provided 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, the two sides of the top of the collection chamber 61 are provided with mounting plates extending outwards.

The collection library 61 is conveniently mounted to the bottom of the top panel 71 by screwing, providing a mounting location for the screws.

Further, the blade driving device 63 is a motor.

Further, the bottom of the wiper 621 is gradually narrowed toward the top, and the lateral cross section of the wiper 621 is V-shaped.

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

The print test apparatus 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 top plate surface 1, and the upper surface of the guide plate 72 is a plane;

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

the paper frame 731 is mounted to the bottom of the top panel 71;

the paper roll 732 is rotatably mounted to the paper frame 731 by a paper shaft;

the tensioning assembly includes a tensioning frame 741, a pinch roller 742, and a sanding stick 743;

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

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

the surface of the compaction roller 742 is wrapped with soft material;

the pressure roller 742 is located above the sanding stick 743, and the pressure roller 742 is proximate to the sanding stick 743;

the tension frame 741 is positioned 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.

In use, the printing paper is drawn out from the paper roll 732, passes upward from the bottom of the top panel 71 through the guide hole 721 at the rear side of the guide plate 72, and then is pulled to the guide hole 721 at the front side of the guide plate 72, and passes downward from the top of the top panel 71 through the guide hole 721, so that the paper head of the printing paper is pulled to the tensioning assembly, and the surface of the pressure roller 742 is wrapped with a soft material, such as rubber, polyurethane, etc.; the pinch 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, and the main body of the printing paper can be spread on the upper surface of the guide plate 72, thereby improving the subsequent printing quality and stability. And then the printing device 5 prints a preset pattern on the upper surface of the printing paper, and whether the nozzles of the printing device 5 are 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, the sanding rod 743 is hard and sanded, and can provide larger friction force for the bottom of the printing paper, so that a worker can pull out the printing paper more easily to watch the printed pattern.

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

So that the printing paper can smoothly transition at the front and rear ends of the guide plate 72, and the printing paper is not easy to be broken while being tensioned, thereby avoiding paper waste.

Further, the tensioning assembly further includes a tension spring 744 disposed at each end of the sanding stick 743;

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

The tension spring 744 can pull the sanding roller 743 closer to the pinch roller 742, thereby facilitating the clamping of the printing paper.

Further, two ends of the tensioning frame 741 are respectively provided with a step-type second adjusting hole 7411, and the second adjusting holes 7411 are arc-shaped holes;

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

The relative distance between the sanding stick 743 and the pinch roller 742 may be conveniently adjusted by the stepped second adjustment aperture 7411. The second adjusting hole 7411 is an arc hole, so that two ends of the sanding stick 743 can be more stably clamped in the second adjusting hole 7411.

Further, a pull-out port 741111 is provided at the end of the second adjustment hole 7411.

When the sanding stick 743 needs to be detached, the sanding stick 743 is pulled out from the pull-out port 741111, so that the method is convenient and quick.

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

The paper roll 732 is rotatably mounted in the adjustment slot 7311 of the paper frame 731 by a paper shaft.

The position of the paper shaft is 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 shaft is simply pulled out from the opening at one end of the adjusting slot 7311, which is convenient and quick.

Further, a plum blossom handle 733 is provided at an end of the paper shaft.

The plum blossom handle 733 is more convenient for the operation of the staff, and more convenient for adjusting the position of the paper shaft in the adjusting slot 7311.

Further, the top panel 71 is provided with a cleaning opening 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 opening 711.

If the pattern of the printing paper is unclear after printing, the printing device 5 can be moved to the cleaning opening 711, and the cleaning device 6 is used for cleaning the nozzles of the printing device 5, so that the subsequent printing quality is improved.

Further, the top panel 71 is provided with a waste port 712 located at the left side of the cleaning port 711, and a waste bin is installed below the waste port 712.

Since the printing apparatus 5 is located above the top panel 71, the waste port 712 is provided to facilitate the installation of the waste bin, which also facilitates the collection of waste generated by the printing apparatus 5.

Further, the top panel 71 is provided with a collection port 713 behind the cleaning port 711, and a collection tank 9 is installed below the collection port 713.

The setting of collection mouth 713 is convenient for collect box 9's installation, print test device 7 is installed in sand casting system's sand box 3 one side, and sand box 3's surplus sand can be sent to collect box 9, makes things convenient for surplus sand subsequent use, and is more environmental protection, extravagant.

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

the locking assembly comprises a second stop 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 the rear side of the sand box 3 and is 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 limit strips 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 frames 831 are respectively arranged at 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 sand box 3 is placed on the rollers 832 of the roller frames 831 on the left and right sides of the sand box 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 strips 32 positioned at the rear side of the sand box 3 are just limited in the second limiting groove 8211, and the limiting strips 32 positioned at the front side of the sand box 3 are locked by matching with the locking device 822 arranged in front of the sand box 3, so that the whole sand box 3 is locked, the stability of sand casting can be improved, and 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 product quality of the sand box 3 are improved.

When sand casting is completed, the locking device 822 is unlocked, the roller 832 is driven by the roller driving device to rotate, the sand box 3 is conveyed out, and a worker can take out sand products in the sand box conveniently and rapidly. The roller driving device in this embodiment is a motor, and drives the roller 832 to rotate by driving a sprocket chain through the motor.

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 passes 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 of the handle 8221, the swing arm shaft 8222 drives the pressing block 8224 to rotate, so that the limit bar 32 can be smoothly clamped in the buckle 2241, the plum blossom handle screw 8225 is twisted, and the end part of the plum blossom handle screw 8225 abuts against the limit bar 32, so that the limit bar 32 at the front side of the sand box 3 is locked. The locking device 822 consisting 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 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 technical principle of the present invention is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the invention and should not be taken in any way as limiting the scope of the invention. Other embodiments of the invention will be apparent to those skilled in the art from consideration of this specification without undue burden.

Claims

1. A sand casting system, characterized by: the device comprises a sand material conveying device, a sand paving device, a sand box, a working plate lifting mechanism, a printing device, a cleaning device, a printing test device and a locking conveying mechanism;

a working plate is arranged in the sand box;

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 stick;

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

the compaction roller and the grinding roller are respectively and rotatably connected to the tensioning frame;

the surface of the compaction roller is wrapped with soft materials;

the pinch roller is positioned above the sanding roller and is close to the sanding roller;

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

drawing out the printing paper from the paper roll, enabling the printing paper to pass through the guide hole at the rear side of the guide plate upwards from the bottom of the top panel, pulling the printing paper to the guide hole at the front side of the guide plate, enabling the printing paper to pass through the guide hole downwards from the top of the top panel, and pulling the paper head of the printing paper to the tensioning assembly;

the pressing roller presses the paper head of the printing paper on the surface of the frosting roller to tension the printing paper;

The cleaning device and the printing test device are arranged on one side of the sand box;

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

the sand box comprises a box body, a limit 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 part of the positioning frame is provided with a first clearance hole;

the positioning frame is provided with a positioning sleeve which is used for being matched with a sand box positioning piece positioned at the bottom of the working plate;

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

the limit 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 at 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 the reinforcing strips are connected with the ends of the two guide strips;

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 at the rear of 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 is used for limiting a limiting strip at the rear side of the sand box;

The locking device is arranged in front of the sand box and used for locking a limit bar on the front side of the sand box;

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

the roller frames are respectively arranged at 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 rollers of roller frames at the left side and the right side of the sand box, and the roller driving device drives the rollers to rotate;

the locking device comprises a handle, a swing arm shaft, a swing arm seat, a pressing block and a plum blossom handle screw;

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

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

the bottom of the pressing block is connected with the other end of the swing arm shaft;

the pressing block is provided with a bayonet;

the plum blossom handle screw is arranged on the pressing block and is positioned in front of the bayonet;

through the swing handle, swing arm axle drives the briquetting rotates, just can be with spacing card in the bayonet socket smoothly, turn round again the plum blossom handle screw, the tip of plum blossom handle screw supports spacing to realize locking the spacing of sand box front side.

2. A sand casting system according to claim 1, wherein: the sand conveying device comprises a first sand warehouse, a screw shaft, a sleeve, a screw shaft driving device, a sand hopper and a sand hopper driving device;

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

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 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 according to claim 1, wherein: comprises a second sand warehouse, a swinging plate and a swinging plate driving device; the bottom of the front side of the second sand warehouse is provided with a transversely arranged blade;

the bottom of the second sand warehouse is provided with a sand paving opening, and the top of the second sand warehouse is provided with a sand receiving opening;

the swing plate is arranged at the rear side of the second sand warehouse;

the swing plate driving device is connected with the swing plate to drive the swing plate to open and close the sand laying port.

4. A sand casting system according to claim 3, wherein: the lifting scraping part comprises a lifting device, a clamping piece frame and a scraping strip;

the lifting device is arranged on the outer wall of the front side of the second sand warehouse, the clamping piece frame is arranged on 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 extending forwards and transversely.

5. A sand casting system according to claim 1, wherein: 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 located 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 according to claim 1, wherein: the printing device comprises a printing box, a spray head, an ink box, a height adjusting component, a moving component and a locking component;

the spray head is arranged in the printing box, and the spray nozzle 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 component 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 a containing groove for containing the regulating wheel;

the locking component is arranged between the printing box and the movable frame and is used for locking the printing box;

the movable frame is arranged on a slide rail of the sand casting system, the movable frame is driven to move through a synchronous belt, and the whole printing device moves along with the movement of the movable frame;

the horizontal height of the printing box can be adjusted by rotating the adjusting wheel to enable the screw rod to lift up and down;

the printing box is locked to the movable frame through the locking assembly.

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

An opening is formed in the top of the collection warehouse;

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

the driving device is arranged on the outer wall of the collecting warehouse, and the driving end of the 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 warehouse and is positioned on the left side of the scraping blade seat;

the liquid storage box is positioned below the scraping blade seat, and the liquid storage box is installed with the collecting warehouse.