CN116408437A - Precoated sand shell casting separation device and method - Google Patents

Abstract

The invention provides a precoated sand shell casting separation device and method, and belongs to the technical field of casting equipment. The precoated sand shell casting and separating device comprises a feeding assembly and a pouring assembly. The feeding assembly comprises a supporting part and a positioning part, wherein the positioning part is arranged on the supporting part, the dumping assembly comprises a transverse moving part, a longitudinal moving part, an inclined part and a clamping part, when the feeding assembly is used, a second motor, a third motor, a first cylinder, a fourth motor, a second cylinder and a fifth motor work, a casting is enabled to move into a positioning box, a control terminal controls the first motor to work again, the next casting is cleaned according to the steps, the precoated sand on the casting can be cleaned automatically by the precoated sand shell casting separation method, labor cost and time cost are saved, in addition, the casting is washed and stripped by high-speed water, so that the precoated sand is separated from the casting more thoroughly, and the cleanliness of the casting can be ensured.

Description

Precoated sand shell casting separation device and method

Technical Field

The invention relates to the field of casting equipment, in particular to a precoated sand shell casting separation device and method.

Background

The surface of sand grains is coated with a layer of molding sand or core sand of a solid resin film before molding. There are two film coating processes, namely a cold process and a hot process: dissolving resin with ethanol by a cold method, adding urotropine in the sand mixing process to coat the resin and the urotropine on the surface of sand grains, and volatilizing the ethanol to obtain precoated sand; the method comprises the steps of preheating sand to a certain temperature, adding resin to melt the sand, stirring to enable the resin to be coated on the surface of sand grains, adding urotropine aqueous solution and lubricant, cooling, crushing and screening to obtain precoated sand, wherein the precoated sand is used for casting steel and iron castings, after the casting is treated by the precoated sand, the precoated sand can adhere to the surface of the casting and is positioned in an inner cavity of the casting, and the precoated sand in the inner cavity of the casting is manually poured off at present and adhered to the surface of the casting, so that the operation is time-consuming and labor-consuming, and in addition, the condition that the separation of the precoated sand is incomplete is caused by manual stripping, so that the cleanliness of the casting cannot be ensured.

Disclosure of Invention

In order to overcome the defects, the invention provides a precoated sand shell casting separation device and a precoated sand shell casting separation method, which aim to solve the problems that after castings are treated by using precoated sand, the precoated sand is attached to the surfaces of the castings and is positioned in the inner cavities of the castings, the precoated sand in the inner cavities of the castings is manually poured out at present, and the precoated sand attached to the surfaces of the castings is stripped, so that the operation is time-consuming and labor-consuming, and in addition, the condition of incomplete stripping of the manually stripped precoated sand exists.

The invention is realized in the following way:

in a first aspect, the invention provides a precoated sand shell casting separation device, which comprises a feeding assembly and a pouring assembly.

The feeding assembly comprises a supporting part and a positioning part, and the positioning part is arranged on the supporting part.

The tilting assembly comprises a transverse moving part, a longitudinal moving part, an inclined part and a clamping part, wherein the transverse moving part is arranged on the supporting part, the longitudinal moving part is arranged on the transverse moving part, the inclined part is arranged on the longitudinal moving part, the clamping part is arranged on the inclined part, and the inclined part and the positioning part are correspondingly arranged.

In one embodiment of the present invention, the support portion includes a base plate and a frame fixed on an upper surface of the base plate.

In one embodiment of the invention, the positioning part comprises a frame, two driving rollers, a plate-type conveying belt and a first motor, wherein the frame is fixed on the upper surface of the bottom plate, two driving rollers are arranged, one end part of one driving roller is rotatably arranged on the frame, the plate-type conveying belt is arranged on the two driving rollers, the first motor is fixed on the outer wall of the frame, one end of the other driving roller is rotatably arranged on the outer wall of the frame, and the other end of the other driving roller is fixed with the output shaft of the first motor.

In one embodiment of the invention, the positioning part further comprises a positioning box, and the positioning boxes are fixed on the plate conveyor belt in a linear equidistant manner.

In one embodiment of the invention, the transverse moving part comprises a second motor, a first screw rod, a first guide rod and a U-shaped plate, wherein the second motor is fixed on the outer wall of the frame, one end of the first screw rod is rotatably arranged on the frame, the other end of the first screw rod is fixed with an output shaft of the second motor, the first guide rod is fixed on the frame, the U-shaped plate is sleeved on the first screw rod in a threaded manner, and the U-shaped plate is also sleeved on the first guide rod in a sliding manner.

In one embodiment of the invention, the longitudinal moving part comprises a third motor, a second screw rod, a second guide rod and a supporting block, wherein the third motor is fixed on the outer wall of the U-shaped plate, one end of the second screw rod is rotatably arranged on the U-shaped plate, the other end of the second screw rod is fixed with the output shaft of the third motor, the supporting block is in threaded sleeve on the second screw rod, and the supporting block is also in sliding sleeve on the second guide rod.

In one embodiment of the present invention, the tilting part includes a first cylinder fixed on an upper surface of the support block, a first support plate having a piston rod end fixed on the upper surface thereof, a spring fixed between a lower surface of the first support plate and an upper surface of the third support plate, a vibrator fixed on the upper surface of the third support plate, a fourth motor fixed on the lower surface of the third support plate, a second support plate having an output shaft end fixed on the upper surface of the second support plate, and a third support plate having an output shaft end fixed on the lower surface of the second support plate.

In one embodiment of the present invention, the inclined portion further includes two circular sliding rails and two circular sliding blocks, the two circular sliding rails are respectively fixed on the lower surface of the third supporting plate and the upper surface of the second supporting plate, and the circular sliding blocks are rotatably disposed on the two circular sliding rails.

In one embodiment of the present invention, the clamping portion includes a riser, a second cylinder, a fifth motor and a retaining plate, the riser is fixed on the lower surface of the second support plate, the second cylinder is fixed on the outer wall of the riser, the end portion of a piston rod of the second cylinder is fixed on the outer wall of the fifth motor, the end portion of an output shaft of the fifth motor is fixed on the outer wall of the retaining plate, and a plurality of the risers are axially equidistantly arranged on the second support plate.

In a second aspect, the present invention further provides a method for casting and separating a precoated sand shell, which comprises the steps of:

s1, conveying castings, wherein a worker places the castings into a positioning box, a first motor works, the rotation of an output shaft of the first motor drives a driving roller to rotate, and the rotation of the driving roller drives a plate-type conveying belt to rotate, so that the castings are conveyed forwards;

s2, grabbing a casting, wherein when the photoelectric switch detects the existence of the casting in the forward moving process of the casting, the photoelectric switch transmits a signal to the control terminal, the control terminal controls the first motor to stop working and controls the first cylinder and the second cylinder to work, piston rods of the first cylinder stretch and retract to drive the second supporting plate to move up and down, piston rods of two of the four second cylinders stretch and retract to drive the retaining plate to move, and the retaining plate clamps and fixes the casting under the combined action of the first cylinder and the second cylinder;

s3, pouring precoated sand, wherein the rotation of an output shaft of a second motor drives a first screw rod to rotate, the U-shaped plate transversely moves under the combined action of the first screw rod and a first guide rod, the rotation of an output shaft of a third motor drives the second screw rod to rotate, a supporting block longitudinally moves under the combined action of the second screw rod and a second guide rod, a casting and a plate-type conveying belt are staggered under the combined action of the second motor and the third motor, the operation of a fifth motor drives the casting to rotate, the precoated sand in an inner cavity of the casting is poured out, the vibrator works, and the casting shakes under the combined action of the vibrator and a spring.

The beneficial effects of the invention are as follows:

1. the staff places the foundry goods in the locating box, first motor work drives the rotation of plate conveyor, realize preceding transport to the foundry goods, when photoelectric switch detects the existence of foundry goods, photoelectric switch gives control terminal, control terminal control first motor stop work, make the butt plate fix foundry goods centre gripping under the combined action of first cylinder and second cylinder, make foundry goods and plate conveyor stagger under the combined action of second motor and third motor, fifth motor work drives the foundry goods and rotates, make the tectorial membrane sand in the foundry goods inner chamber poured, the vibrator work, the foundry goods shake under the combined action of vibrator and spring, make the tectorial membrane sand in the foundry goods inner chamber more thoroughly poured, fourth motor output shaft's rotation realizes adjusting the position of foundry goods, can realize automatic tectorial membrane sand to the foundry goods on clear up, the human cost is saved and time cost.

2. Utilize the solenoid valve, adjust the quantity that the shower nozzle was opened, the flexible shower nozzle that drives of piston rod of third cylinder realizes lateral shifting, the water pump work, the water pump is to the water in the water tank through first aqueduct, the high-speed injection of second aqueduct and shower nozzle is to the foundry goods on, realize clearing up the tectorial membrane sand of foundry goods inner chamber under the combined action of second motor, the third motor, first cylinder, third cylinder and water pump, tectorial membrane sand and water fall into the water tank, the filter screen filters tectorial membrane sand, make tectorial membrane sand and water all reuse, afterwards the shower nozzle is cleared up the tectorial membrane sand of foundry goods surface, afterwards, other two in four second cylinders drive the butt plate and carry out the centre gripping fixed to the foundry goods, install above-mentioned step and clear up the tectorial membrane sand of foundry goods surface, ensure the cleanliness of foundry goods by the clearance, after the foundry goods clearance is accomplished, control terminal again controls first motor work, according to above-mentioned step, realize clearing up next foundry goods, wash the foundry goods through high-speed water, make tectorial membrane sand and foundry goods more thoroughly separated, can ensure the cleanliness of foundry goods.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of a precoated sand shell casting and separating device according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a positioning portion according to an embodiment of the present invention;

FIG. 3 is an enlarged view of area A of FIG. 2 according to an embodiment of the present invention;

fig. 4 is a schematic perspective view of a pouring assembly according to an embodiment of the present invention;

fig. 5 is an exploded view of an inclined portion provided in an embodiment of the present invention;

fig. 6 is a schematic perspective view of a clamping portion according to an embodiment of the present invention.

In the figure: 100-feeding components; 110-a support; 111-a bottom plate; 112-a frame; 120-positioning part; 121-a frame; 122-driving roller; 123-plate conveyor belt; 124-positioning box; 125-a first motor; 200-a pouring assembly; 210-a traversing part; 211-a second motor; 212-a first screw rod; 213-a first guide bar; 214-U-shaped plates; 220-a longitudinal movement part; 221-a third motor; 222-a second screw; 223-a second guide bar; 224-support blocks; 230-inclined portion; 231-a first cylinder; 232-a first support plate; 233-a spring; 234-vibrator; 235-fourth motor; 236-a second support plate; 237-circular slide rail; 238-a circular slider; 239-a photoelectric switch; 2390-a third support plate; 240-clamping part; 241-risers; 242-second cylinder; 243-a fifth motor; 244-a retaining plate; 300-separation assembly; 310-a water supply part; 311-water pump; 312-a first water conduit; 313-a second water conduit; 320-an injection part; 321-a third cylinder; 322-connecting plates; 323-spray head; 324-electromagnetic valve; 330-a filter section; 331-a water tank; 332-a filter screen plate.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.

Examples

Referring to fig. 1-6, the present invention provides a precoated sand shell casting separation device, which includes a feeding assembly 100, a pouring assembly 200 and a separation assembly 300.

Referring to fig. 1 and 2, the feeding assembly 100 includes a supporting portion 110 and a positioning portion 120, the positioning portion 120 is disposed on the supporting portion 110, the supporting portion 110 includes a base plate 111 and a frame 112, the frame 112 is fixed on an upper surface of the base plate 111, the setting of the frame 112 is convenient for installing a second motor 211, a first screw rod 212 and a first guide rod 213, the positioning portion 120 includes a frame 121, a driving roller 122, a plate conveyer 123 and a first motor 125, the frame 121 is fixed on an upper surface of the base plate 111, the driving roller 122 is provided with two driving rollers, an end portion of one driving roller 122 is rotatably disposed on the frame 121, the plate conveyer 123 is disposed on the two driving rollers 122, the first motor 125 is fixed on an outer wall of the frame 121, one end of the other driving roller 122 is rotatably disposed on an outer wall of the frame 121, the other end of the other driving roller 122 is fixed with an output shaft of the first motor 125, the setting of the first motor 125 is convenient for rotating the plate conveyer 123, even if the castings are convenient for forward conveying, the positioning portion 120 further includes a positioning box 124, the positioning box 124 is fixed on the plate conveyer 123 at a linear equidistant position, and the positioning box 124 is convenient for placing castings at a designated position.

Referring to fig. 1 and 4-6, the tilting assembly 200 includes a traversing part 210, a longitudinally moving part 220, an inclined part 230 and a clamping part 240, wherein the traversing part 210 is disposed on the supporting part 110, the longitudinally moving part 220 is disposed on the traversing part 210, the inclined part 230 is disposed on the longitudinally moving part 220, the clamping part 240 is disposed on the inclined part 230, the inclined part 230 and the positioning part 120 are correspondingly disposed, the traversing part 210 includes a second motor 211, a first screw rod 212, a first guide rod 213 and a U-shaped plate 214, the second motor 211 is fixed on the outer wall of the frame 112, one end of the first screw rod 212 is rotatably disposed on the frame 112, the other end of the first screw rod 212 is fixed with the output shaft of the second motor 211, the first guide rod 213 is fixed on the frame 112, the U-shaped plate 214 is threadedly sleeved on the first screw rod 212, the U-shaped plate 214 is also slidably sleeved on the first guide rod 213, and the U-shaped plate 214 is laterally moved under the combined action of the second motor 211, the first screw rod 212 and the first guide rod 213.

The longitudinal moving part 220 comprises a third motor 221, a second screw rod 222, a second guide rod 223 and a supporting block 224, wherein the third motor 221 is fixed on the outer wall of the U-shaped plate 214, one end of the second screw rod 222 is rotatably arranged on the U-shaped plate 214, the other end of the second screw rod 222 is fixed with the output shaft of the third motor 221, the supporting block 224 is sleeved on the second screw rod 222 in a threaded manner, the supporting block 224 is also sleeved on the second guide rod 223 in a sliding manner, the supporting block 224 realizes longitudinal movement under the combined action of the third motor 221, the second screw rod 222 and the second guide rod 223, the inclined part 230 comprises a first air cylinder 231, a first supporting plate 232, a spring 233, a vibrator 234, a fourth motor 235, a second supporting plate 236, a photoelectric switch 239 and a third supporting plate 2390, the piston rod end of the first air cylinder 231 is fixed on the upper surface of the first supporting plate 232, the spring 233 is fixed between the lower surface of the first supporting plate 232 and the upper surface of the third supporting plate 2390, the vibrator 234 is fixed on the upper surface of the third supporting plate 235, the upper surface of the fourth supporting plate 23is fixed on the lower surface of the fourth supporting plate 236 is fixed on the lower surface of the fourth supporting plate 2390, and the photoelectric switch is fixed on the upper surface of the fourth supporting plate 23is fixed on the lower surface of the fourth supporting plate 23is convenient.

The tilting part 230 further comprises two circular slide rails 237 and a circular slide block 238, the two circular slide rails 237 are respectively fixed on the lower surface of the third supporting plate 2390 and the upper surface of the second supporting plate 236, the circular slide block 238 is rotatably arranged on the two circular slide rails 237, the circular slide rails 237 and the circular slide block 238 enable the second supporting plate 236 to rotate more stably, the clamping part 240 comprises a vertical plate 241, a second air cylinder 242, a fifth motor 243 and a retaining plate 244, the vertical plate 241 is fixed on the lower surface of the second supporting plate 236, the second air cylinder 242 is fixed on the outer wall of the vertical plate 241, the piston rod end part of the second air cylinder 242 is fixed on the outer wall of the fifth motor 243, the output shaft end part of the fifth motor 243 is fixed on the outer wall of the retaining plate 244, the plurality of vertical plates 241 are axially equidistantly arranged on the second supporting plate 236, and the plurality of vertical plates 241 are convenient for cleaning coated sand on different directions of castings.

Referring to fig. 1-3, the separation assembly 300 includes a water supply portion 310, an injection portion 320 and a filtration portion 330, the water supply portion 310 and the filtration portion 330 are all disposed on the support portion 110, the injection portion 320 is disposed on the positioning portion 120, the injection portion 320 is also disposed on the water supply portion 310, the water supply portion 310 includes a water pump 311, a first water guide 312 and a second water guide 313, the water pump 311 is fixed on the upper surface of the bottom plate 111, one end of the first water guide 312 and one end of the second water guide 313 are both disposed on the water pump 311, the water pump 311 is disposed to facilitate water supply to the spray 323, the injection portion 320 includes a third cylinder 321, a connecting plate 322 and a spray nozzle 323, the third cylinder 321 is fixed on the upper surface of the frame 121, the piston rod end of the third cylinder 321 is fixed on the outer wall of the connecting plate 322, the spray nozzle 323 is fixed on the connecting plate 322, the other end of the second water guide 313 is disposed on the spray nozzle 323, the spray nozzle 323 is disposed to facilitate cleaning of the film-coated sand attached on the casting, the spray nozzle 323 is disposed in plurality of spray nozzles 323 is disposed on the connecting plate 322, the setting of spray nozzles 323 is disposed on the connecting plate 322 uniformly, the inner cavity of the spray nozzle 323 is disposed to facilitate cleaning of the film-coated sand on the inner cavity of the bottom plate 331, and the filter film is disposed on the inner surface of the filter film-coated water tank 331 is disposed on the filter tank 331.

Specifically, the invention further provides a precoated sand shell casting and separating method, which comprises the steps of:

s1, conveying castings, wherein a worker places the castings into a positioning box 124, a first motor 125 works, the rotation of an output shaft of the first motor 125 drives a driving roller 122 to rotate, and the rotation of the driving roller 122 drives a plate-type conveying belt 123 to rotate, so that the castings are conveyed forwards;

s2, grabbing a casting, wherein when the photoelectric switch 239 detects the existence of the casting in the forward moving process of the casting, the photoelectric switch 239 transmits a signal to a control terminal, the control terminal controls the first motor 125 to stop working and controls the first air cylinder 231 and the second air cylinder 242 to work, the piston rod of the first air cylinder 231 stretches and contracts to drive the second support plate 236 to move up and down, and the piston rods of two of the four second air cylinders 242 stretch and contract to drive the retaining plate 244 to move, so that the retaining plate 244 clamps and fixes the casting under the combined action of the first air cylinder 231 and the second air cylinder 242;

s3, pouring precoated sand, wherein the rotation of an output shaft of a second motor 211 drives a first screw rod 212 to rotate, a U-shaped plate 214 transversely moves under the combined action of the first screw rod 212 and a first guide rod 213, the rotation of an output shaft of a third motor 221 drives a second screw rod 222 to rotate, a supporting block 224 longitudinally moves under the combined action of the second screw rod 222 and a second guide rod 223, a casting and a plate-type conveyer belt 123 are staggered under the combined action of the second motor 211 and the third motor 221, the fifth motor 243 works to drive the casting to rotate, the precoated sand in the inner cavity of the casting is poured out, a vibrator 234 works, and the casting shakes under the combined action of the vibrator 234 and a spring 233, so that the precoated sand in the inner cavity of the casting is more thoroughly poured out;

s4, separating precoated sand attached to the casting, driving the second supporting plate 236 to rotate by the rotation of the output shaft of the fourth motor 235, realizing the adjustment of the azimuth of the casting, enabling the inner cavity of the casting to be corresponding to the spray nozzle 323 under the combined action of the second motor 211, the third motor 221, the first cylinder 231 and the fourth motor 235, utilizing the electromagnetic valve 324 to adjust the opening quantity of the spray nozzle 323, enabling the piston rod of the third cylinder 321 to stretch and draw to drive the spray nozzle 323 to realize the transverse movement, controlling the casting to move back and forth and left and right by the second motor 211 and the third motor 221, controlling the casting to move up and down by the first cylinder 231, enabling the water pump 311 to work, the water pump 311 sprays water in the water tank 331 onto the casting at a high speed through the first water guide pipe 312, the second water guide pipe 313 and the spray nozzle 323, the coated sand in the inner cavity of the casting is cleaned under the combined action of the second motor 211, the third motor 221, the first air cylinder 231, the third air cylinder 321 and the water pump 311, the coated sand and the water fall into the water tank 331, the filter screen 332 filters the coated sand, so that the coated sand and the water can be reused, the spray nozzle 323 cleans the coated sand on the outer surface of the casting, the other two of the four second air cylinders 242 drive the retaining plates 244 to clamp and fix the casting, and the coated sand on the outer surface of the casting is cleaned by the steps, so that the cleaning cleanliness of the casting is ensured;

s5, processing the next casting, and after the casting is cleaned, operating the second motor 211, the third motor 221, the first cylinder 231, the fourth motor 235, the second cylinder 242 and the fifth motor 243 to enable the casting to move into the positioning box 124, and controlling the first motor 125 to operate again by the control terminal, so that the next casting is cleaned according to the steps.

In summary, the precoated sand shell casting separation method comprises the following steps: during the use, the staff places the foundry goods in the locating box 124, first motor 125 work, the rotation of first motor 125 output shaft drives driving roller 122 rotation, driving roller 122's rotation drives the rotation of board-like conveyer belt 123, realize carrying the foundry goods forward, the in-process that the foundry goods moved forward, when photoelectric switch 239 detects the existence of foundry goods, photoelectric switch 239 gives control terminal to signal transmission, control terminal control first motor 125 stop work, first cylinder 231 and second cylinder 242 work, the piston rod of first cylinder 231 stretches out and draws back and drives the second backup pad 236 and reciprocate, the piston rod of two in four second cylinders 242 stretches out and draws back and drives the butt 244 displacement.

The casting is clamped and fixed by the retaining plate 244 under the combined action of the first air cylinder 231 and the second air cylinder 242, the rotation of the output shaft of the second motor 211 drives the first screw rod 212 to rotate, the U-shaped plate 214 transversely moves under the combined action of the first screw rod 212 and the first guide rod 213, the rotation of the output shaft of the third motor 221 drives the second screw rod 222 to rotate, the supporting block 224 longitudinally moves under the combined action of the second screw rod 222 and the second guide rod 223, the casting and the plate-type conveyer belt 123 are staggered under the combined action of the second motor 211 and the third motor 221, the fifth motor 243 works to drive the casting to rotate, the precoated sand in the inner cavity of the casting is poured out, the vibrator 234 works to shake under the combined action of the vibrator 234 and the spring 233, the precoated sand in the inner cavity of the casting is more thoroughly poured out, the rotation of the output shaft of the fourth motor 235 drives the second supporting plate 236 to rotate, the azimuth of the casting is adjusted, the inner cavity of the casting and the nozzle 323 are correspondingly adjusted under the combined action of the second motor 211, the third motor 221, the first air cylinder 231 and the fourth motor 235, and the nozzle 323 are correspondingly adjusted, and the quantity of the nozzle 323 is adjusted by utilizing the electromagnetic valve 323.

The piston rod of the third air cylinder 321 stretches to drive the spray nozzle 323 to realize transverse movement, the second motor 211 and the third motor 221 control the casting to move back and forth and left and right, the first air cylinder 231 controls the casting to move up and down, the water pump 311 works, the water pump 311 sprays water in the water tank 331 onto the casting at high speed through the first water guide pipe 312, the second water guide pipe 313 and the spray nozzle 323, the precoated sand in the inner cavity of the casting is cleaned under the combined action of the second motor 211, the third motor 221, the first air cylinder 231, the third air cylinder 321 and the water pump 311, the precoated sand and the water fall into the water tank 331, the filter screen 332 filters the precoated sand to enable the precoated sand and the water to be recycled, then the spray nozzle 323 cleans the precoated sand on the outer surface of the casting, and then the other two of the four second air cylinders 242 drive the retaining plates 244 to clamp and fix the castings, the steps are installed to clean the precoated sand on the outer surfaces of the castings, the clean degree of the castings is ensured, after the castings are cleaned, the second motor 211, the third motor 221, the first air cylinder 231, the fourth motor 235, the second air cylinder 242 and the fifth motor 243 work, the castings are moved into the positioning box 124, the control terminal controls the first motor 125 to work again, the next castings are cleaned according to the steps, the precoated sand shell casting separation method can automatically clean the precoated sand on the castings, the labor cost and the time cost are saved, in addition, the castings are washed and stripped through high-speed water, the separation of the precoated sand from the castings is more thorough, and the clean degree of the castings can be ensured.

It should be noted that, specific model specifications of the first motor 125, the second motor 211, the third motor 221, the first cylinder 231, the vibrator 234, the fourth motor 235, the photoelectric switch 239, the second cylinder 242, the fifth motor 243, the water pump 311, the third cylinder 321, and the electromagnetic valve 324 need to be determined by selecting the model according to the actual specifications of the device, and the specific model selection calculation method adopts the prior art in the field, so that detailed description is omitted.

The power supply and the principle of the first motor 125, the second motor 211, the third motor 221, the first cylinder 231, the vibrator 234, the fourth motor 235, the photoelectric switch 239, the second cylinder 242, the fifth motor 243, the water pump 311, the third cylinder 321, and the solenoid valve 324 will be apparent to those skilled in the art, and will not be described in detail herein.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, and various modifications and variations may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The precoated sand shell casting and separating device is characterized by comprising

The feeding assembly (100), wherein the feeding assembly (100) comprises a supporting part (110) and a positioning part (120), and the positioning part (120) is arranged on the supporting part (110);

dumping assembly (200), dumping assembly (200) include sideslip portion (210), indulge move portion (220), tilting portion (230) and clamping part (240), sideslip portion (210) set up on supporting part (110), indulge move portion (220) set up on sideslip portion (210), tilting portion (230) set up indulge move portion (220) on, clamping part (240) set up on tilting portion (230), tilting portion (230) with location portion (120) are corresponding to be set up.

2. A precoated sand shell casting separator according to claim 1, characterized in that the support (110) comprises a base plate (111) and a frame (112), the frame (112) being fixed on the upper surface of the base plate (111).

3. The precoated sand shell casting and separating device according to claim 2, wherein the positioning part (120) comprises a frame (121), driving rollers (122), a plate-type conveying belt (123) and a first motor (125), the frame (121) is fixed on the upper surface of the bottom plate (111), the driving rollers (122) are provided with two, one end part of one driving roller (122) is rotatably arranged on the frame (121), the plate-type conveying belt (123) is arranged on the two driving rollers (122), the first motor (125) is fixed on the outer wall of the frame (121), one end of the other driving roller (122) is rotatably arranged on the outer wall of the frame (121), and the other end of the other driving roller (122) is fixed with an output shaft of the first motor (125).

4. A precoated sand shell casting separator according to claim 3, characterized in that the positioning section (120) further comprises a positioning box (124), the positioning boxes (124) being fixed on the plate conveyor belt (123) linearly equidistant.

5. The precoated sand shell casting and separating device according to claim 2, wherein the transverse moving part (210) comprises a second motor (211), a first screw rod (212), a first guide rod (213) and a U-shaped plate (214), the second motor (211) is fixed on the outer wall of the frame (112), one end of the first screw rod (212) is rotatably arranged on the frame (112), the other end of the first screw rod (212) is fixed with an output shaft of the second motor (211), the first guide rod (213) is fixed on the frame (112), the U-shaped plate (214) is sleeved on the first screw rod (212) in a threaded manner, and the U-shaped plate (214) is sleeved on the first guide rod (213) in a sliding manner.

6. The precoated sand shell casting and separating device according to claim 5, wherein the longitudinal moving part (220) comprises a third motor (221), a second screw rod (222), a second guide rod (223) and a supporting block (224), the third motor (221) is fixed on the outer wall of the U-shaped plate (214), one end of the second screw rod (222) is rotatably arranged on the U-shaped plate (214), the other end of the second screw rod (222) is fixed with an output shaft of the third motor (221), the supporting block (224) is sleeved on the second screw rod (222) in a threaded manner, and the supporting block (224) is sleeved on the second guide rod (223) in a sliding manner.

7. The precoated sand shell casting separation device according to claim 6, wherein the inclined portion (230) comprises a first cylinder (231), a first support plate (232), a spring (233), a vibrator (234), a fourth motor (235), a second support plate (236), a photoelectric switch (239) and a third support plate (2390), the first cylinder (231) is fixed on an upper surface of the support block (224), a piston rod end of the first cylinder (231) is fixed on an upper surface of the first support plate (232), the spring (233) is fixed between a lower surface of the first support plate (232) and an upper surface of the third support plate (2390), the vibrator (234) is fixed on an upper surface of the third support plate (2390), an output shaft end of the fourth motor (235) is fixed on an upper surface of the second support plate (236), and the photoelectric switch (239) is fixed on a lower surface of the second support plate (236).

8. The precoated sand shell casting and separating device according to claim 7, wherein the inclined portion (230) further comprises two circular slide rails (237) and two circular slide blocks (238), the two circular slide rails (237) are respectively fixed on the lower surface of the third support plate (2390) and the upper surface of the second support plate (236), and the circular slide blocks (238) are rotatably arranged on the two circular slide rails (237).

9. The precoated sand shell casting and separating device according to claim 7, wherein the clamping part (240) comprises a vertical plate (241), a second air cylinder (242), a fifth motor (243) and a retaining plate (244), wherein the vertical plate (241) is fixed on the lower surface of the second supporting plate (236), the second air cylinder (242) is fixed on the outer wall of the vertical plate (241), the piston rod end of the second air cylinder (242) is fixed on the outer wall of the fifth motor (243), the output shaft end of the fifth motor (243) is fixed on the outer wall of the retaining plate (244), and a plurality of vertical plates (241) are axially equidistantly arranged on the second supporting plate (236).

10. The precoated sand shell casting and separating method is characterized by comprising the following steps of

The precoated sand shell casting separator of any one of claims 1 to 9, comprising the steps of:

s1, conveying castings, wherein a worker places the castings into a positioning box (124), a first motor (125) works, the rotation of an output shaft of the first motor (125) drives a driving roller (122) to rotate, and the rotation of the driving roller (122) drives a plate-type conveying belt (123) to rotate, so that the castings are conveyed forwards;

s2, grabbing a casting, wherein when the photoelectric switch (239) detects the existence of the casting in the forward moving process of the casting, the photoelectric switch (239) transmits a signal to a control terminal, the control terminal controls the first motor (125) to stop working, controls the first air cylinder (231) and the second air cylinder (242) to work, the piston rod of the first air cylinder (231) stretches and contracts to drive the second support plate (236) to move up and down, and the piston rods of two of the four second air cylinders (242) stretch and contract to drive the retaining plate (244) to move, so that the retaining plate (244) clamps and fixes the casting under the combined action of the first air cylinder (231) and the second air cylinder (242);

s3, pouring precoated sand, wherein the rotation of an output shaft of a second motor (211) drives a first screw rod (212) to rotate, a U-shaped plate (214) transversely moves under the combined action of the first screw rod (212) and a first guide rod (213), the rotation of an output shaft of a third motor (221) drives a second screw rod (222) to rotate, a supporting block (224) longitudinally moves under the combined action of the second screw rod (222) and a second guide rod (223), castings and a plate-type conveying belt (123) are staggered under the combined action of the second motor (211) and the third motor (221), the fifth motor (243) works to drive the castings to rotate, the precoated sand in the inner cavity of the castings is poured out, a vibrator (234) works, and the castings shake under the combined action of the vibrator (234) and a spring (233).

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