CN212857660U - Automatic two-sided sandbox forming device - Google Patents

Abstract

The utility model discloses an automatic double-sided sandbox forming device, which comprises a double-sided die, a sand shooting chamber, an upper die fixing mechanism, a lower die fixing mechanism and a discharging mechanism, wherein the sand shooting chamber is fixed on the ground, one side of the sand shooting chamber is provided with a sliding track which extends into the sand shooting chamber, the sliding track is provided with the double-sided die, a sliding oil cylinder is arranged between the sliding track and the double-sided die, and the double-sided die is pushed to move through the sliding oil cylinder; an upper die fixing mechanism and a lower die fixing mechanism are arranged in the sand shooting chamber; the upper die and the lower die of the sandbox are processed at one time, so that the reduced processing steps are used for submitting the molding efficiency of the sandbox, and meanwhile, manual operation is not needed in the molding process of the sandbox.

Description

Automatic two-sided sandbox forming device

Technical Field

The utility model relates to a casting equipment field, concretely relates to automatic two-sided sandbox forming device.

Background

The existing sandbox casting mainly adopts the steps that an upper sandbox is placed on a mould, a shaped mould is injected into yarn, a layer of shaped sand is formed on the surface of the mould by the river sun, after the upper sandbox is processed, a lower sandbox is processed according to the same method, then the two sandboxes are combined for pouring, the processing procedure is auxiliary, manual workers are required to operate a truss vehicle for completion, the labor intensity of the workers is high, and a half of sandbox is processed at one time, so that the processing efficiency is low;

after the upper and lower sandboxes are all molded, the turnover device is required to rotate the lower sandbox by 180 degrees, then the upper sandbox is covered on the lower sandbox, so that the sandbox is combined and then poured, so that the process is more, more equipment is needed, so that the efficiency is lower when casting is performed, the productivity of a workpiece is influenced, and meanwhile, automatic operation cannot be performed.

Disclosure of Invention

Not enough to above-mentioned prior art, the utility model provides an automatic two-sided sandbox forming device reduces the sandbox from penetrating husky to the process between the mould assembling, guarantees cast efficiency like this, and whole process adopts the full automatization simultaneously, need not the manual work and operates, reduces staff's intensity of labour like this.

In order to achieve the above purpose, the utility model discloses a scheme: an automatic double-sided sandbox forming device comprises a double-sided die, a sand shooting chamber, an upper die fixing mechanism, a lower die fixing mechanism and a discharging mechanism, wherein the sand shooting chamber is fixed on the ground, one side of the sand shooting chamber is provided with a sliding rail, the sliding rail extends into the sand shooting chamber, the sliding rail is provided with the double-sided die, a sliding oil cylinder is arranged between the sliding rail and the double-sided die, and the double-sided die is pushed to move through the sliding oil cylinder; an upper die fixing mechanism and a lower die fixing mechanism are arranged in the sand shooting chamber, the lower die fixing mechanism is arranged at the bottom of the sand shooting chamber and comprises a bottom plate, a positioning pin and a lifting assembly, the lifting assembly is fixed at the bottom of the sand shooting chamber, the bottom plate is fixed above the lifting assembly, through holes are formed in the bottom of the bottom plate, and the positioning pin capable of lifting is inserted into each through hole; an upper die fixing mechanism is arranged above the lower die fixing mechanism and fixed at the top of the sand shooting chamber, the upper die fixing mechanism comprises a top plate, a lifting assembly, a fixing claw and a fixing oil cylinder, wherein the top of the sand shooting chamber is fixed with a lifting component, the bottom of a piston rod of the lifting component is fixed with a top plate, the edge of the top plate is provided with a fixed claw which can swing and is hinged with the edge of the top plate, a fixed oil cylinder is arranged between the top of the fixed claw and the top plate, the top of the fixed claw is pushed outwards through the fixed oil cylinder, so that the bottom of the fixed claw moves inwards, so that an upper die of the sandbox is fixed on the top plate, the top plate is also provided with a through hole, a positioning pin which can be lifted is arranged in the through hole of the top plate, a sand shooting nozzle is arranged on both the top plate and the bottom plate in the sand shooting chamber, and the position of the sand shooting nozzle corresponds to the sand inlet of the sand box; the side of the sand shooting chamber far away from the sliding track is provided with a discharging mechanism, the discharging mechanism comprises a plurality of vertical guide rods, guide sleeves, a support plate and a traction plate, wherein the guide rods are sleeved with the guide sleeves capable of sliding on the guide rods, the tops of the guide sleeves are fixed with a same traction plate, the bottoms of the guide sleeves are fixed on the same support plate, traction oil cylinders are arranged on the traction plate, cylinder bodies of the traction oil cylinders are fixed on the guide rods, the support plate is driven to ascend and descend by the traction oil cylinders, a pushing component is arranged below the sliding track and pushes the combined sand box to the support plate, so that discharging is finished, meanwhile, the sliding oil cylinders, the positioning pins, the lifting component, the fixing oil cylinders and the traction oil cylinders are all connected with a controller, and the controller controls the devices to move in sequence to finish sand box forming operation, thus, the sandbox is fully automatic.

Preferably, the sand shooting chamber is provided with two groups of air nozzles, the two groups of air nozzles are respectively positioned above and below the double-sided die, and the air nozzles face the double-sided die.

Preferably, every locating pin all is fixed on telescopic cylinder, and telescopic cylinder that corresponds on the bottom plate is fixed in the bottom of bottom plate, and telescopic cylinder that corresponds on the roof is fixed at the top of roof, and when the sandbox closed the case, telescopic cylinder made the locating pin on roof and the bottom plate retract, and the locating hole on locating pin and the sandbox was separated like this.

Preferably, a negative pressure cover is arranged on one side of the sand shooting chamber, a negative pressure system is connected to the negative pressure cover, and powder generated during sand shooting is adsorbed through the negative pressure system to ensure the surrounding environment.

Compared with the prior art, the utility model has the advantages of: 1. the upper die and the lower die of the sandbox are processed at one time, so that the processing steps are reduced, the molding efficiency of the sandbox is submitted, and meanwhile, manual operation is not needed in the molding process of the sandbox; 2. cleaning the double-sided mold by a spray gun between the molding of the sandbox, thus ensuring the neatness of the double-sided mold and preventing the mismatch of the shape of the sandbox cavity and the shape of the workpiece caused by the shaped sand of the double-sided mold; 3. the positioning pin retracts/ejects out of the bottom plate or the top plate, so that the positioning of the sandbox is facilitated, and the molding and mould assembling of the sandbox are ensured; 4. the negative pressure cover can adsorb powder generated during sand shooting, so that the surrounding environment is ensured.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a schematic view of the double-sided mold of the present invention.

Fig. 3 is a schematic view of the sand shooting chamber of the present invention.

Fig. 4 is a schematic view of the sliding rail of the present invention.

Fig. 5 is a schematic view of the fixing jaw of the present invention.

The device comprises a double-sided die 1, a double-sided die 1.1, a sliding rail 1.2, a sliding oil cylinder 2, a sand shooting chamber 2.1, an upper die fixing mechanism 2.2, a top plate 2.3, a lifting assembly 2.4, a fixing claw 2.5, a fixing oil cylinder 2.6, a lower die fixing mechanism 2.7, a bottom plate 2.8, a positioning pin 2.9, a lifting assembly 2.10, a sand shooting nozzle 3, a discharging mechanism 3.1, a guide rod 3.2, a guide sleeve 3.3, a support plate 3.4, a traction plate 3.5, a traction oil cylinder 3.6, a telescopic cylinder 4, a pushing assembly 5, a controller 6, an air nozzle 7 and a cover.

Detailed Description

The present invention will now be further elucidated with reference to the accompanying drawings.

As shown in fig. 1 to 5, an automatic double-sided sandbox forming device comprises a double-sided mold 1, a sand shooting chamber 2, an upper mold fixing mechanism 2.1, a lower mold fixing mechanism 2.6 and a discharging mechanism 3, wherein the sand shooting chamber 2 is fixed on the ground through bolts (the sand shooting chamber 2 is a rectangular frame, the rectangular frame is fixed on the left side of the sand shooting chamber 2 through welding), a transverse sliding rail 1.1 is arranged on the left side of the sand shooting chamber 2, the sliding rail 1.1 extends into the sand shooting chamber 2 (the sliding rail 1.1 is two parallel circular rods, the right end of the sliding rail 1.1 extends into the sand shooting chamber 2 and is fixed in the sand shooting chamber 2 through welding, the left end of the sliding rail 1.1 is fixed on a rack through welding), the double-sided mold 1 is arranged on the sliding rail 1.1 (the double-sided mold 1 is a rectangular block, rollers are fixed on the front and back sides of the double-sided mold 1 through bearings and are placed on the sliding rail 1.1, thus, the double-sided die 1 slides along the sliding rail 1.1), a sliding oil cylinder 1.2 is arranged between the sliding rail 1.1 and the double-sided die 1 (a cylinder body of the sliding oil cylinder 1.2 is fixed at the left end of the sliding rail 1.1 through a bolt, a piston rod of the sliding oil cylinder 1.2 is fixed on the left side surface of the double-sided die 1 in a welding mode, the double-sided die 1 is driven to move left and right on the sliding rail 1.1 through the extension and retraction of the sliding oil cylinder 1.2, when the double-sided die 1 slides to the sand shooting chamber 2, the molding of a sand box is started), and the double-sided die 1 is pushed to move through the sliding oil cylinder 1.2; an upper die fixing mechanism 2.1 and a lower die fixing mechanism 2.6 are arranged in the sand shooting chamber 2, the lower die fixing mechanism 2.6 is fixed at the bottom of the sand shooting chamber 2 in a welding mode, the lower die fixing mechanism 2.6 comprises a bottom plate 2.7, a positioning pin 2.8 and a lifting assembly 2.9, the lifting assembly 2.9 is fixed at the bottom of the sand shooting chamber 2 in a welding mode, the bottom plate 2.7 is fixed above the lifting assembly 2.9 in a welding mode, a through hole is formed in the bottom of the bottom plate 2.7, a lifting positioning pin 2.8 is inserted into each through hole, the positioning of the flash and the double-sided die 1 is realized through the lifting of the positioning pin 2.8, and when the positioning pin 2.8 moves downwards, the sand box can be directly pushed away for discharging; an upper die fixing mechanism 2.1 is arranged above the lower die fixing mechanism 2.6, the upper die fixing mechanism 2.1 is fixed at the top of the sand shooting chamber 2, the upper die fixing mechanism 2.1 comprises a top plate 2.2, a lifting component 2.3, fixing claws 2.4 and fixing oil cylinders 2.5, wherein the lifting component 2.3 is fixed at the top of the sand shooting chamber 2 in a welding mode, a top plate 2.2 is fixed at the bottom of a piston rod of the lifting component 2.3 in a welding mode, the fixing claws 2.4 capable of swinging are hinged to the edge of the top plate 2.2 at the middle section of the top plate 2.2 and the middle section of the fixing claws 2.4 is hinged to the edge of the top plate 2.2 (the fixing claws 2.4 are uniformly distributed on the edges of the front side and the rear side of the top plate 2.2, the middle section of the fixing claws 2.4 is hinged to the edges of the front side and the rear side of the top plate 2.2), the fixing oil cylinders 2.5 are arranged between the top of the fixing claws 2.4 and the top plate 2.2 (the top plate of the fixing oil, a piston rod of a fixed oil cylinder 2.5 is fixed at the top of a fixed claw 2.4 in a hinged mode, the fixed claw 2.4 fixes the sandbox on a top plate 2.2 through the fixed oil cylinder 2.5, the top of the fixed claw 2.4 is pushed outwards through the fixed oil cylinder 2.5, the bottom of the fixed claw 2.4 moves inwards, an upper die of the sandbox is fixed on the top plate 2.2, a through hole is also formed in the top plate 2.2, a lifting positioning pin 2.8 is also inserted into the through hole of the top plate 2.2, a positioning hole corresponding to the positioning pin 2.8 is formed in the top of the sandbox, each positioning pin 2.8 is fixed on a telescopic cylinder 3.6 in a welding mode, the telescopic cylinder 3.6 corresponding to a bottom plate 2.7 is fixed at the bottom of the bottom plate 2.7 through a bolt, the telescopic cylinder 3.6 corresponding to the top plate 2.2 is fixed at the top of the top plate 2.2 through a bolt, when the sandbox is closed, the telescopic cylinder 3.6 enables the top plate 2.2.2 and the bottom plate 2.7 to retract, thus, the positioning pin 2.8 is separated from the positioning hole on the sandbox, the sand shooting nozzle 2.10 is fixed on the top plate 2.2 and the bottom plate 2.7 in the sand shooting chamber 2 in a welding mode, the position of the sand shooting nozzle 2.10 corresponds to the sand inlet of the sandbox, when the bottom of the lower sandbox is attached to the bottom plate 2.7, the sand inlet of the lower sandbox is opposite to the sand shooting nozzle 2.10, when the top of the upper sandbox is attached to the top plate 2.2, the sand shooting nozzle 2.10 on the top plate 2.2 is opposite to the sand inlet of the upper sandbox, so that the shaped sand is shot into the upper sandbox and the lower sandbox through the sand shooting nozzle 2.10, and the upper sandbox and the lower sandbox form a cavity (namely the shape of the assembly); a discharging mechanism 3 is arranged on one side of the sand shooting chamber 2 far away from the sliding track 1.1 (namely the left side of the sand shooting chamber 2), the discharging mechanism 3 comprises a plurality of vertical guide rods 3.1, guide sleeves 3.2, a support plate 3.3 and a traction plate 3.4, wherein each guide rod 3.1 is sleeved with a guide sleeve 3.2 capable of sliding on the guide rod 3.1 (the guide rods 3.1 are vertically arranged, the guide sleeves 3.2 move up and down along the guide rods 3.1), the top parts of the guide sleeves 3.2 are fixed with the same traction plate 3.4 in a welding way, the bottom parts of the guide sleeves 3.2 are fixed with the same support plate 3.3 in a welding way, a traction oil cylinder 3.5 is arranged above the traction plate 3.4, the cylinder body of the traction oil cylinder 3.5 is fixed on the top surfaces of the guide rods 3.1 in a welding way, the piston rod of the traction oil cylinder 3.5 is fixed on the top surface of the traction plate 3.4 in a welding way, a supporting plate 3.3 is driven to ascend and descend by a traction oil cylinder 3.5, a pushing assembly 4 (the pushing assembly 4 comprises a pushing oil cylinder and a pushing block, wherein the pushing oil cylinder is fixed on a rack in a welding mode, a piston rod of the pushing oil cylinder faces the sand shooting chamber 2, a push plate is fixed on the piston rod of the pushing oil cylinder in a welding mode, the push plate pushes an upper sand box and a lower sand box to a discharging mechanism 3 through rightward movement), the pushing assembly 4 pushes the sand box after box combination to the supporting plate 3.3, so that discharging is completed, meanwhile, the sliding oil cylinder 1.2, a positioning pin 2.8, a lifting assembly 2.9, a lifting assembly 2.3, a fixing oil cylinder 2.5 and the traction oil cylinder 3.5 are all connected with a controller 5 (the model of the controller is S7-100, the controller 3 is fixed on the sand shooting chamber 2 through bolts, and automatic operation is completed by controlling the mechanisms to sequentially act through a PLC), the controller 5 controls the devices to move in sequence to complete the molding operation of the sandbox, so that the sandbox is fully automatically molded, when the sandbox is molded, the empty sandbox after being combined is placed on the bottom plate 2.7, when the sandbox is placed on the top, the positioning pin 2.8 on the bottom plate 2.7 is ejected out, the positioning hole of the sandbox is opposite to the positioning pin 2.8, then the sandbox is placed on the bottom plate 2.7, the positioning pin 2.8 on the top plate 2.2 is correspondingly ejected out, the top plate 2.2 descends and is attached to the top of the sandbox, the fixing claw 2.4 fixes the sandbox on the top plate 2.2 (the top of the sandbox and the bottom of the sandbox are fixed with the bearing plate protruding the edge of the sandbox in an integral casting mode, the fixing claw 2.4 presses the bearing plate, so that the sandbox and the top plate 2.2 are fixed together), when the top plate 2.2 is fixed with the sandbox, the top plate 2.2 is lifted to separate the sandbox from the lower sandbox, then the sliding oil cylinder 1.2 pushes the double-sided mould 1 to between the upper sand box and the lower sand box, the lifting component 2.9 and the lifting component 2.3 control the lower sand box and the upper sand box to be close to the double-sided mould 1, so that the top of the lower sand box and the bottom of the upper sand box are attached to the bottom surface and the top surface of the double-sided mould 1, simultaneously the sand injection nozzle 2.10 injects the shaping sand into the upper sand box and the lower sand box, so that a cavity is formed in the sand box and a layer of sand tire covers the outer wall of the cavity, after the sand tire in the sand box is shaped, the top plate 2.2 and the bottom are far away from the double-sided mould 1, simultaneously the double-sided mould 1 exits the sand injection chamber 2, simultaneously the top plate 2.2 descends to enable the upper sand box and the lower sand box to be combined, simultaneously the positioning pins 2.8 are respectively retracted into the bottom plate 2.7 and the top plate 2.2, so that the positioning pins 2.8 exit the positioning holes, simultaneously the sand box after the pushing component 4 is combined is pushed to be pushed to the supporting, the sandbox after the box closing is finished is subjected to abnormal action through the structure on the controller 5 at the pouring place of the forklift conveying belt, so that the automatic sandbox forming is completed.

Be fixed with air nozzle 6 through the welded mode in 2 outer frames of room of spouting, air nozzle 6 divide into two sets ofly and two sets of air nozzle 6 are located the top and the below of two-sided shape mould 1 respectively, and air nozzle 6 is towards two-sided shape mould 1, when two-sided shape mould 1 release and spouts sand room 2, when two-sided shape mould 1 passed air nozzle 6, air nozzle 6 will block the shape sand on two-sided shape mould 1 and blow away, prevents to influence the sandbox shaping next time.

Every locating pin 2.8 all fixes on telescopic cylinder 3.6, and telescopic cylinder 3.6 that corresponds on bottom plate 2.7 fixes in the bottom of bottom plate 2.7, and telescopic cylinder 3.6 that corresponds on roof 2.2 fixes at the top of roof 2.2, and when the sandbox closed the case, telescopic cylinder 3.6 made roof 2.2 and bottom plate 2.7 on locating pin 2.8 retract, like this locating pin 2.8 and the locating hole on the sandbox separated.

A negative pressure cover 7 is fixed on the front side of the sand shooting chamber 2 in a welding mode, the negative pressure cover 7 faces the upper sand box and the lower sand box, the negative pressure cover 7 is connected with a negative pressure system through a pipeline (the negative pressure system is a negative pressure pump, the negative pressure cover 7 is in a negative pressure state through the negative pressure pump, the negative pressure cover 7 in the negative pressure state adsorbs powder generated when the sand box shoots sand and collects the powder), and the powder generated when the sand is shot is adsorbed through the negative pressure system, so that the surrounding environment is ensured.

Claims (4)

1. An automatic double-sided sandbox forming device comprises a double-sided die, a sand shooting chamber, an upper die fixing mechanism, a lower die fixing mechanism and a discharging mechanism, wherein the sand shooting chamber is fixed on the ground; an upper die fixing mechanism and a lower die fixing mechanism are arranged in the sand shooting chamber, the lower die fixing mechanism is arranged at the bottom of the sand shooting chamber and comprises a bottom plate, a positioning pin and a lifting assembly, the lifting assembly is fixed at the bottom of the sand shooting chamber, the bottom plate is fixed above the lifting assembly, through holes are formed in the bottom of the bottom plate, and the positioning pin capable of lifting is inserted into each through hole; an upper die fixing mechanism is arranged above the lower die fixing mechanism and fixed at the top of the sand shooting chamber, the upper die fixing mechanism comprises a top plate, a lifting assembly, a fixing claw and a fixing oil cylinder, wherein the top of the sand shooting chamber is fixed with a lifting component, the bottom of a piston rod of the lifting component is fixed with a top plate, the edge of the top plate is provided with a fixed claw which can swing and is hinged with the edge of the top plate, a fixed oil cylinder is arranged between the top of the fixed claw and the top plate, the top of the fixed claw is pushed outwards through the fixed oil cylinder, so that the bottom of the fixed claw moves inwards, so that an upper die of the sandbox is fixed on the top plate, the top plate is also provided with a through hole, a positioning pin which can be lifted is arranged in the through hole of the top plate, a sand shooting nozzle is arranged on both the top plate and the bottom plate in the sand shooting chamber, and the position of the sand shooting nozzle corresponds to the sand inlet of the sand box; the side of the sand shooting chamber far away from the sliding track is provided with a discharging mechanism, the discharging mechanism comprises a plurality of vertical guide rods, guide sleeves, a support plate and a traction plate, wherein the guide rods are sleeved with the guide sleeves capable of sliding on the guide rods, the tops of the guide sleeves are fixed with a same traction plate, the bottoms of the guide sleeves are fixed on the same support plate, traction oil cylinders are arranged on the traction plate, cylinder bodies of the traction oil cylinders are fixed on the guide rods, the support plate is driven to ascend and descend by the traction oil cylinders, a pushing component is arranged below the sliding track and pushes the combined sand box to the support plate, so that discharging is finished, meanwhile, the sliding oil cylinders, the positioning pins, the lifting component, the fixing oil cylinders and the traction oil cylinders are all connected with a controller, and the controller controls the devices to move in sequence to finish sand box forming operation, thus, the sandbox is fully automatic.

2. An automatic double-sided sandbox forming device according to claim 1, wherein the air nozzles are arranged outside the sandbox room and are divided into two groups, and the two groups of air nozzles are respectively positioned above and below the double-sided die and face the double-sided die.

3. An automated two-sided sandbox forming apparatus as claimed in claim 2 wherein each locating pin is fixed to a telescopic cylinder, the corresponding telescopic cylinder on the bottom plate is fixed to the bottom of the bottom plate, the corresponding telescopic cylinder on the top plate is fixed to the top of the top plate, when the sandbox is closed, the telescopic cylinders retract the locating pins on the top plate and the bottom plate, so that the locating pins are separated from the locating holes on the sandbox.

4. An automatic double-sided sandbox forming device according to claim 3, wherein a negative pressure cover is arranged on one side of the sand shooting chamber, a negative pressure system is connected with the negative pressure cover, and powder generated during sand shooting is adsorbed by the negative pressure system to ensure the surrounding environment.

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