CN213256967U - Device capable of automatically purging floating sand of casting sand core - Google Patents

Abstract

The utility model provides a device capable of automatically purging floating sand of a casting sand core, which comprises a box body, wherein the casting sand core is placed near a purging fan by utilizing a tray, and the casting sand core is taken down by utilizing the tray, so that the casting sand core is prevented from being clamped and deformed; more than two casting sand cores can be placed on more than two circular trays at the same time, so that more than two casting sand cores can be swept at the same time, and the sweeping efficiency of the casting sand cores is improved; floating sand is collected into the sand storage box by using sand suction equipment, so that the floating sand is prevented from floating into the air to pollute the air, the floating sand is saved, and workers are prevented from sucking the floating sand to influence the body health; the controller analyzes the floating sand weight data obtained by monitoring the weight sensor, and if the controller obtains that the weight data is changed in the preset time threshold value of the controller, whether floating sand on the casting sand core is swept completely can be accurately judged, so that the controller can control the blower, the motor and the exhaust fan to stop in time, and the electric energy can be saved.

Description

Device capable of automatically purging floating sand of casting sand core

Technical Field

The utility model belongs to a casting psammitolite field especially relates to a can sweep device that casting psammitolite floats sand automatically.

Background

Casting is a basic industry of equipment manufacturing industry, a core manufacturing link in the casting industry is avoided, the link of repairing the core is avoided, the sand core is difficult to avoid mutual collision in the transportation process, in addition, the dust in a casting production workshop is large, floating sand falls in the sand core storage process, so that floating dust and other particles are attached to the surface of the sand core, if the attachments are not removed before core setting, the attached particles can be placed in a casting sand mold along with the sand core, the floating sand exists on the surface or inside of a casting after pouring, sand holes are formed, and the casting is scrapped, so that the process of removing the floating sand on the surface of the sand core before core setting is an indispensable process. The prior art generally adopts a mode of blowing floating sand by a machine.

The existing device for blowing and casting sand core floating sand has the following three problems: firstly, the method comprises the following steps: the casting sand core is often clamped near the purging device and is clamped and taken out after purging, and the casting sand core is easy to deform under the clamping force; secondly, the method comprises the following steps: the device for blowing the floating sand of the casting sand core can only blow one casting sand core at a time, and the blowing efficiency is low; thirdly, the method comprises the following steps: in the process of blowing and casting the sand core, floating sand is easy to float into the air to pollute the air, waste of floating sand is caused, and workers inhale the floating sand to influence the health of the bodies; fourthly: the casting sand core can not be accurately known when being swept cleanly, and the sweeping fan rotates under the condition that the casting sand core is swept cleanly, so that the waste of electric energy is caused.

Disclosure of Invention

The utility model discloses make the improvement to the problem that prior art exists, promptly the to-be-solved technical problem of the utility model is to provide a can sweep the device that the casting psammitolite floats sand automatically, solved following four technical problem: firstly, the method comprises the following steps: the casting sand core is placed near the blowing fan by using the tray, and after blowing is finished, the casting sand core is taken down by using the tray, so that the casting sand core is prevented from being clamped and deformed; secondly, the method comprises the following steps: more than two casting sand cores can be swept simultaneously, and the sweeping efficiency of the casting sand cores is improved; thirdly, the method comprises the following steps: floating sand is collected into the sand storage box by using sand suction equipment, so that the floating sand is prevented from floating into the air to pollute the air, the floating sand is saved, and the condition that workers suck the floating sand to influence the body health is avoided; fourthly: whether the casting sand core is blown clean or not is accurately known, and electric energy is saved.

In order to solve the first, second and third technical problems, the first technical solution of the present invention is as follows: the utility model provides a device that casting psammitolite floats sand can sweep automatically, includes the box, and the last surface mounting of the bottom plate of box has the base, and the middle part position of base rotates and is connected with the pivot, and the lower surface mounting of the roof of box has the motor, and the output shaft and the pivot of motor are connected, and fixedly connected with uses the pivot as the circular disc of center pin in the pivot. The upper surface of the circular disc is provided with the inner ring baffle and the outer ring baffle, the inner ring baffle and the outer ring baffle are cylinders taking the rotating shaft as a central shaft, more than two circular trays are evenly placed between the inner ring baffle and the outer ring baffle along the circumferential direction, a casting sand core is placed in each circular tray, more than two casting sand cores can be placed on the more than two circular trays simultaneously, so that more than two casting sand cores can be swept simultaneously, and the sweeping efficiency is high. The diameter of the circular tray is equal to the distance between the inner ring baffle and the outer ring baffle, the inner ring baffle and the outer ring baffle are used for preventing the circular tray from being thrown away from the circular disc in the rotating process, the lower surface of the circular tray is fixedly connected with a convex block along the radial direction which takes the rotating shaft as the central axis, the upper surface of the circular disc is fixedly connected with a groove along the radial direction which takes the rotating shaft as the central axis, the groove is positioned between the inner ring baffle and the outer ring baffle, the convex block is matched with the groove, the detachable connection of the circular tray and the circular disc is realized, after floating sand on the casting sand core is blown clean, the circular tray and the casting sand core placed on the circular tray can be taken, because the casting sand core is not clamped in the process of being taken down, the casting sand core can be prevented from deforming, and the round tray can be prevented from axially rotating in the rotating process due to the matching of the convex block and the groove. The air blower is arranged on the left side wall of the box body, an air outlet of the air blower faces the horizontal plane where the circular disc is located, and the air blower is used for blowing away floating sand on the casting sand core. The device capable of automatically purging floating sand of the casting sand core further comprises sand suction equipment, wherein the sand suction equipment comprises a sand suction pipe, a sand storage box and an exhaust fan, and the sand suction pipe, the sand storage box and the exhaust fan are sequentially connected. Inhale the sand pipe and install the right side wall at the box, the one end of inhaling the sand pipe stretches into the inside of box, inhale the other end of sand pipe and connect the sand storage box, the internally mounted of sand storage box has the filter screen, inhale the sand equipment and be used for absorbing the interior superficial sand that is swept down by the fan of box and be held back on the filter screen in the sand storage box, inhale the sand equipment and can prevent that superficial sand from floating the contaminated air in the air, can also store the superficial sand simultaneously and avoid extravagant, can also avoid the staff to inhale superficial sand and influence healthy. The device capable of automatically purging floating sand of the casting sand core further comprises a controller, wherein the controller is installed on the upper surface of a top plate of the box body, the controller is electrically connected with the blower, the exhaust fan and the motor, and the controller can automatically control the blower, the exhaust fan and the motor.

In the first technical scheme, the device capable of automatically purging floating sand of the casting sand core has the following working process: place the casting psammitolite on circular tray, thereby cooperate lug on the circular tray and recess on the circular disc with circular tray fixed mounting between inner circle baffle and outer lane baffle, controller control motor rotates, the motor rotates and drives the pivot and rotate, the pivot drives circular disc and rotates, circular disc drives circular tray and rotates, thereby it rotates to drive the casting psammitolite on the circular tray, controller control hair-dryer and air exhauster are opened, the fan sweeps the casting psammitolite on the tray, the air exhauster absorbs the superficial sand that the box was swept down by the fan and is held back on the filter sand screen in the sand storage box, after superficial sand on the casting psammitolite is blown and is swept totally, controller control motor, the hair-dryer, the air exhauster is closed.

In order to solve the first, second, third, fourth technical problem, the second technical scheme improves on the basis of first technical scheme, the utility model discloses a second technical scheme is as follows: the utility model provides a can sweep device of casting psammitolite superficial sand automatically, surface mounting has weight sensor under the sand filtering screen, weight sensor is connected with the controller electricity, weight sensor is used for monitoring the weight of sand filtering screen superficial sand and with the input of the filter sand weight data who monitors to the controller, the controller carries out the analysis to the superficial sand weight data that the weight sensor monitoring obtained, if the controller reachs that weight data does not change in the time threshold value that the controller predetermines, just indicate that superficial sand on the casting psammitolite has been swept totally by the hair-dryer, can stop sweeping, can accurately judge whether superficial sand on the casting psammitolite has swept totally like this, be favorable to the controller in time control hair-dryer, including a motor, the air exhauster is shut down, be favorable to practicing thrift the.

In the second technical scheme, the device capable of automatically purging floating sand of the casting sand core has the following working process: placing a casting sand core on a circular tray, matching a lug on the circular tray with a groove on the circular disc to fixedly install the circular tray between an inner ring baffle and an outer ring baffle, controlling the motor to rotate by a controller, driving a rotating shaft to rotate by the motor, driving the circular disc to rotate by the rotating shaft, driving the circular tray to rotate by the circular disc, driving the casting sand core on the circular tray to rotate, controlling a blower and an exhaust fan to be opened by the controller, blowing the casting sand core on the tray by the blower, sucking floating sand blown by the blower in a box body by the exhaust fan and intercepting the floating sand on a sand filter screen in a sand storage box, monitoring the weight of the floating sand on the sand filter screen by a weight sensor and inputting the monitored weight data of the floating sand into the controller, analyzing the floating sand weight data monitored by the weight sensor by the controller, and if the controller analyzes that the floating sand is blown completely, the controller controls the blower, the motor and the exhaust fan to stop in time.

Preferably, the number of trays in the first and second technical means is 4.

Preferably, the motor in the first technical solution and the second technical solution is a stepping motor.

Preferably, the weight sensor in the first and second aspects is a hydraulic type or an electromagnetic type.

The utility model has the advantages and positive effects that: firstly, the method comprises the following steps: the circular tray is used for placing the casting sand core, the casting sand core is placed near the purging fan by the tray, and after purging is completed, the casting sand core is taken down by the tray, so that the casting sand core is prevented from being clamped and deformed; secondly, the method comprises the following steps: more than two circular trays are uniformly arranged on the circular disc, and more than two casting sand cores can be placed on the more than two circular trays at the same time, so that more than two casting sand cores can be swept at the same time, and the sweeping efficiency of the casting sand cores is improved; thirdly, the method comprises the following steps: floating sand is collected into the sand storage box by using sand suction equipment, so that the floating sand is prevented from floating into the air to pollute the air, the floating sand is saved, and the condition that workers suck the floating sand to influence the body health is avoided; fourthly: the controller analyzes the floating sand weight data obtained by monitoring the weight sensor, and if the controller obtains that the weight data is changed in a preset time threshold value of the controller, whether floating sand on the casting sand core is swept completely can be accurately judged, so that the controller can control the blower, the motor and the exhaust fan to stop in time, and the electric energy can be saved.

Drawings

Fig. 1 is a schematic view of a main structure in embodiment 1 of the present invention.

Fig. 2 is a schematic diagram of the connection between the controller and other components in embodiment 1 of the present invention.

Fig. 3 is a plan view of the circular disk of the present invention in examples 1 and 2, in which no circular tray is placed.

Fig. 4 is a plan view of the circular tray of the embodiment 1 and the embodiment 2 of the present invention after the circular disk is placed.

Fig. 5 is a side view of the circular push plate and the bump on the lower surface of the circular tray in embodiments 1 and 2 of the present invention.

Fig. 6 is a schematic view of a main structure in embodiment 2 of the present invention.

Fig. 7 is a schematic diagram of the connection between the controller and other components in embodiment 2 of the present invention.

In the figure:

1. a box body; 2. a sand suction pipe; 3. a sand storage box; 4. a sand screen; 5. an exhaust fan; 6. an outer ring baffle plate; 7. a rotating shaft; 8. a base; 9. a circular disc; 10. a circular tray; 11. an inner ring baffle plate; 12. a blower; 13. a motor; 14. a groove; 15. a bump; 16. a weight sensor; 17. a controller; 18. a top plate; 19. a base plate.

Detailed Description

The following describes the present invention in detail with reference to the accompanying drawings.

Example 1: as shown in fig. 1-5, a device capable of automatically purging floating sand of casting sand cores comprises a box body 1, a base 8 is installed on the upper surface of a bottom plate 19 of the box body 1, a rotating shaft 7 is rotatably connected to the middle position of the base 8, a motor 13 is installed on the lower surface of a top plate 18 of the box body 1, an output shaft of the motor 13 is connected with the rotating shaft 7, a circular disc 9 with the rotating shaft 7 as a central shaft is fixedly connected to the rotating shaft 7, an inner ring baffle 11 and an outer ring baffle 6 are installed on the upper surface of the circular disc 9, the inner ring baffle 11 and the outer ring baffle 6 are both cylinders with the rotating shaft 7 as the central shaft, more than two circular trays 10 are uniformly placed between the inner ring baffle 11 and the outer ring baffle 6 along the circumferential direction, one casting sand core is placed in each circular tray 10, more than two casting sand cores can be placed in more than two circular, the purging efficiency is high. The diameter of the circular tray 10 is equal to the distance between the inner ring baffle 11 and the outer ring baffle 6, the inner ring baffle 11 and the outer ring baffle 6 are used for preventing the circular tray 10 from being thrown away from the circular disc 9 in the rotating process, the lower surface of the circular tray 10 is fixedly connected with a projection 15 along the radial direction with the rotating shaft 7 as a central axis, the upper surface of the circular disc 9 is fixedly connected with a groove 14 along the radial direction with the rotating shaft 7 as the central axis, the groove 14 is positioned between the inner ring baffle 11 and the outer ring baffle 6, the projection 15 is matched with the groove 14 to realize the detachable connection of the circular tray 10 and the circular disc 9, after floating sand on the casting sand core is blown clean, the circular tray 10 and the sand core placed on the circular tray 10 can be taken down together, because the casting sand core is not clamped in the taking down process, the deformation of the casting sand, the engagement of the protrusions 15 with the recesses 14 also prevents the circular tray 10 from rotating axially during rotation. The left side wall of the box body 1 is provided with a blower 12, an air outlet of the blower 12 is right opposite to the horizontal plane where the circular disc 9 is located, and the blower 12 is used for blowing away floating sand on the casting sand core. The device capable of automatically purging floating sand of the casting sand core further comprises sand suction equipment, wherein the sand suction equipment comprises a sand suction pipe 2, a sand storage box 3 and an exhaust fan 5, and the sand suction pipe 2, the sand storage box 3 and the exhaust fan 5 are sequentially connected. Inhale sand pipe 2 and install the right side wall at box 1, the one end of inhaling sand pipe 2 stretches into the inside of box 1, inhale sand pipe 2's other end and connect sand storage box 3, the internally mounted of sand storage box 3 has sand screen 4, inhale sand equipment and be used for absorbing the interior superficial sand that is swept down by the fan of box 1 and be held back on sand screen 4 in sand storage box 3, inhale sand equipment and can prevent that superficial sand from scattering polluted air in the air, can also store superficial sand simultaneously and avoid extravagant, can also avoid the staff to inhale superficial sand and influence healthy. The device capable of automatically purging floating sand of the casting sand core further comprises a controller 17, the controller 17 is installed on the upper surface of a top plate 18 of the box body 1, the controller 17 is electrically connected with the blower 12, the exhaust fan 5 and the motor 13, and the controller 17 can automatically control the blower 12, the exhaust fan 5 and the motor 13.

The device capable of automatically purging floating sand of the casting sand core in the embodiment 1 has the following working process: the casting sand core is placed on a circular tray 10, a convex block 15 on the circular tray 10 is matched with a groove 14 on the circular disc 9, so that the circular tray 10 is fixedly installed between an inner ring baffle 11 and an outer ring baffle 6, a controller 17 controls a motor 13 to rotate, the motor 13 rotates to drive a rotating shaft 7 to rotate, the rotating shaft 7 drives the circular disc 9 to rotate, the circular disc 9 drives the circular tray 10 to rotate, so that a casting sand core on the circular tray 10 is driven to rotate, the controller 17 controls a blower 12 and an exhaust fan 5 to be opened, the blower blows the casting sand core on the tray, the exhaust fan 5 sucks floating sand blown down by the blower in a box body 1 and is intercepted on a sand filtering net 4 in a sand storage box 3, and after the floating sand on the casting sand core is blown down completely, the controller 17 controls the motor 13, the blower 12 and the exhaust fan 5 to be.

Example 2: embodiment 2 is further improved based on embodiment 1, as shown in fig. 3-7, in the apparatus for automatically purging floating sand of a casting sand core, a weight sensor 16 is installed on the lower surface of a sand filtering net 4, the weight sensor 16 is electrically connected with a controller 17, the weight sensor 16 is used for monitoring the weight of floating sand on the sand filtering net 4 and inputting the monitored weight data of the filtering sand into the controller 17, the controller 17 analyzes the weight data of the floating sand monitored by the weight sensor 16, if the weight data obtained by the controller 17 does not change within a time threshold preset by the controller 17, it indicates that the floating sand on the casting sand core has been purged by the blower 12, purging can be stopped, so as to accurately judge whether the floating sand on the casting sand core has been purged, and the controller 17 is favorable for timely controlling the blower 12, the motor 13 and the exhaust fan 5 to stop, is beneficial to saving electric energy.

The working process of the device capable of automatically purging floating sand of the casting sand core in the embodiment 2 is as follows: placing the casting sand core on a circular tray 10, matching a lug 15 on the circular tray 10 with a groove 14 on a circular disc 9 so as to fixedly install the circular tray 10 between an inner ring baffle 11 and an outer ring baffle 6, controlling a motor 13 to rotate by a controller 17, driving a rotating shaft 7 to rotate by the motor 13, driving the circular disc 9 to rotate by the rotating shaft 7, driving the circular tray 10 to rotate by the circular disc 9, driving a casting sand core on the circular tray 10 to rotate, controlling a blower 12 and an exhaust fan 5 to be opened by the controller 17, blowing the casting sand core on the tray by the fan, sucking floating sand blown by the fan in a box body 1 by the exhaust fan 5 and intercepting the floating sand on a sand filter screen 4 in a sand storage box 3, monitoring the weight of the floating sand on the sand filter screen 4 by a weight sensor 16 and inputting the monitored weight data of the filtered sand to the controller 17, and analyzing the floating sand weight data monitored by the weight sensor 16 by the controller 17, if the controller 17 analyzes that the floating sand is purged, the controller 17 controls the blower 12, the motor 13 and the exhaust fan 5 to stop in time.

Preferably, the number of the circular trays 10 in the above embodiments 1 and 2 is 4.

Preferably, the motor 13 in the above embodiments 1 and 2 is a stepping motor.

Preferably, the weight sensor 16 in the above embodiments 1 and 2 is a hydraulic weight sensor or an electromagnetic weight sensor.

The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims (5)

1. The utility model provides a device that casting psammitolite floats sand can sweep automatically which characterized in that: the sand core casting box comprises a box body (1), wherein a base (8) is installed on the upper surface of a bottom plate (19) of the box body (1), a rotating shaft (7) is rotatably connected to the middle position of the base (8), a motor (13) is installed on the lower surface of a top plate (18) of the box body (1), an output shaft of the motor (13) is connected with the rotating shaft (7), a circular disc (9) which takes the rotating shaft (7) as a central shaft is fixedly connected onto the rotating shaft (7), an inner ring baffle (11) and an outer ring baffle (6) are installed on the upper surface of the circular disc (9), the inner ring baffle (11) and the outer ring baffle (6) are cylinders which take the rotating shaft (7) as the central shaft, more than two circular trays (10) are uniformly placed between the inner ring baffle (11) and the outer ring baffle (6) along the circumferential direction, and a casting sand core is placed in each circular, the diameter of the circular tray (10) is equal to the distance between the inner ring baffle (11) and the outer ring baffle (6), the lower surface of the circular tray (10) is fixedly connected with a convex block (15) along the radial direction with the rotating shaft (7) as a central shaft, the upper surface of the circular disc (9) is fixedly connected with a groove (14) along the radial direction with the rotating shaft (7) as a central shaft, the groove (14) is positioned between the inner ring baffle (11) and the outer ring baffle (6), the convex block (15) is matched with the groove (14), the left side wall of the box body (1) is provided with a blower (12), the air outlet of the blower (12) faces the horizontal plane where the circular disc (9) is, the sand sucking device also comprises a sand sucking device, the sand sucking device comprises a sand sucking pipe (2), a sand storage box (3) and an exhaust fan (5), inhale sand pipe (2) and install the right side wall of box (1), the one end of inhaling sand pipe (2) stretches into the inside of box (1), the other end of inhaling sand pipe (2) is connected store up sand box (3), the internally mounted of storing up sand box (3) has sand screen (4), still includes controller (17), install controller (17) box (1) the upper surface of roof (18), controller (17) with hair-dryer (12), air exhauster (5) motor (13) electricity is connected.

2. The device capable of automatically purging floating sand of the casting sand core according to claim 1, is characterized in that: and a weight sensor (16) is arranged on the lower surface of the sand filtering net (4), and the weight sensor (16) is electrically connected with a controller (17).

3. The device capable of automatically purging floating sand of the casting sand core according to claim 1 or 2, is characterized in that: the number of the circular trays (10) is 4.

4. The device capable of automatically purging floating sand of the casting sand core according to claim 1 or 2, is characterized in that: the motor (13) is a stepping motor.

5. The device capable of automatically purging floating sand of the casting sand core according to claim 1 or 2, is characterized in that: the weight sensor (16) is a hydraulic weight sensor or an electromagnetic weight sensor.

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