CN214557149U - Sand casting sand screening fine crusher - Google Patents

Abstract

The utility model discloses a sand casting screening sand fine crusher, the reciprocating impact tunnel drilling machine comprises a machine body, the inside top of fuselage is the dehumidification storehouse, dehumidification storehouse bottom is equipped with the extension-type valve port, the screening sand swash plate is connected to extension-type valve port lower extreme, the screening sand swash plate links to each other with vertical baffle, one side of vertical baffle is equipped with the coarse crushing gyro wheel and the gyro wheel in small, broken bits, the opposite side of vertical baffle is the fine sand passageway, the below of vertical baffle is screening sand board an, screening sand board an's below is for mixing the storehouse, the bottom of mixing the storehouse is equipped with the discharge gate, the below of discharge gate is equipped with screening sand board b, screening sand board b's below is for collecting the storehouse, the lower extreme of collecting the storehouse is weighing device. The utility model discloses can select the dehumidification time according to the humidity of casting sand, can fully dry casting sand, through the coarse crushing with the mode in small, broken bits, handle the large granule in the former sand, dual screening has guaranteed the quality of last sand.

Description

Sand casting sand screening fine crusher

Technical Field

The utility model relates to a sand casting technical field especially relates to a sand casting screening fine crusher.

Background

The sand casting has the advantages of rich raw material sources, no limitation on production batch and casting size, low cost and the most common casting method, and the sand casting currently accounts for about 90 percent of the total production of the casting. The raw materials for directly forming the casting mold in sand casting are mainly sand, and the liquid metal completely fills the whole casting mold cavity by gravity, so that a casting is produced in the sand mold. Therefore, the selection and screening of the sand in sand casting is extremely important, the shape of the casting sand particles cannot be greatly deviated, and large particles cannot be mixed in the casting sand particles, so that certain requirements on the screening of the casting sand are met. Traditional screening sand is generally accomplished by the manual work, can produce the wasting of resources and sieve sand effect not good, sieve sand inefficiency scheduling problem.

Also there is the machine of solving this kind of problem at present, for example application number is CN202021147974. X's Chinese utility model patent, this utility model discloses a sand screening machine for sand casting, concretely relates to casting field, the on-line screen storage device comprises a base, the top fixed mounting of base has the support, the top fixed mounting of support has the box, the fixed cover in top of box is equipped with the inlet pipe, the top movable sleeve of inlet pipe is equipped with the feed cover, the both sides of box inner chamber fixed mounting respectively has the baffle-box, two the dwang has been cup jointed in the opposite side difference activity of baffle-box. The utility model discloses a case and crushing roller are smashed in the setting for the great unprocessed molding sand of volume can be fully smashed under the effect of crushing roller, makes the molding sand intensive mixing even through the puddler in the agitator tank afterwards, and the effect of rethread filter screen makes the impurity in the molding sand of misce bene filter, enters into the molding sand size misce bene that the sand casting used in the collection box, and such molding sand carries out sand casting's finished product excellent in quality.

However, firstly, the drying device of the machine is lacking, and the short drying time cannot dry the casting sand; secondly, the machine carries out indiscriminate crushing treatment on the foundry sand, and can generate very good powder to influence the use.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem be that traditional artifical sieve sand effect is too poor, and current machine in use can't make the casting sand fully dry to can produce more powder, influence the casting effect. Through changing drying device to separate the retreatment with former sand, effectively improve sieve sand effect.

The utility model adopts the technical proposal that: a sand casting screening fine crusher comprises a crusher body, wherein a feed inlet is formed in the top end of the crusher body, a control panel is arranged at the side end of the crusher body, a dehumidification bin is arranged at the uppermost part in the crusher body, a stirring device is arranged in the middle of the dehumidification bin, the inner wall of the dehumidification bin and the stirring device can be heated, an extension-type valve port is arranged at the bottom of the dehumidification bin, the lower end of the extension-type valve port is connected with a screening sand inclined plate, the screening sand inclined plate is connected with a vertical partition plate, one side of the vertical partition plate is provided with a coarse crushing roller and a fine crushing roller, the coarse crushing roller is positioned above the fine crushing roller, the other side of the vertical partition plate is provided with a fine sand channel, a screening sand plate a is arranged below the vertical partition plate and fixedly connected into the crusher body through two vibrating frames, a mixing bin is arranged below the screening sand plate a, a mixing device is arranged in the mixing bin, and a discharge outlet is formed in the bottom end of the mixing bin, the lower part of discharge gate is equipped with sieve sand board b, sieve sand board b is inside the fuselage through two vibrations frame rigid couplings, the below of sieve sand board b is for collecting the storehouse, the lower extreme of collecting the storehouse is weighing device.

As a further improvement of the utility model, a glass door is arranged in the middle of the front end of the machine body, and a lock body is arranged on the glass door.

As a further improvement, the front end downside of fuselage is equipped with the shipment door, be equipped with the handle on the shipment door.

As a further improvement of the utility model, the top outside of the machine body is provided with a smoke exhaust port.

The utility model discloses beneficial effect who has: the utility model discloses can select the dehumidification time according to the humidity of casting sand, can fully dry casting sand, semi-automatic control's mode reduces the manpower consumption effectively, sieves sand efficiency and goes out the sand quality and is showing the improvement, through the coarse crushing with the mode in small, broken bits, handles the large granule in the former sand, increases resource utilization, dual screening has guaranteed the quality of last sand that goes out. The utility model discloses simple structure, it is convenient to dismantle, and the relation is clear and definite between each structure, is convenient for maintain and change.

Drawings

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

Fig. 2 is a front view of the present invention.

Shown in the figure: 1. a feed inlet; 2. a control panel; 3. a fine sand channel; 4. a mixing bin; 5. a discharge port; 6. a weighing device; 7. a body; 8. a dehumidification bin; 9. a stirring device; 10. a sand screening sloping plate; 11. coarsely crushing the roller; 12. finely crushing rollers; 13. a sand screening plate a; 14. a vibration frame; 15. a mixing device; 16. b, screening sand plates; 17. a collection bin; 18. a glass door; 19. a delivery door; 20. a lock body; 21. a handle; 22. a vertical partition; 23. an extended blocking opening; 24. and a smoke outlet.

Detailed Description

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

As shown in figure 1, the sand screening fine crusher for sand casting is integrally a machine body 7, a feeding hole 1 is formed in the middle of the top of the machine body 7, and raw sand is poured into the device from the feeding hole. The side of the machine body 7 is provided with a control panel 2 for controlling the operation of the whole equipment. The inside top of fuselage 7 is dehumidification storehouse 8, and the centre in dehumidification storehouse 8 is equipped with an agitating unit 9, all is provided with heating function on the inner wall in dehumidification storehouse 8 and agitating unit 9 for heat the in-process to the former sand in the stirring, through the abundant moisture of detaching in the former sand of heating stirring. An extended valve port 23 is arranged on one side of the bottom of the dehumidification bin 8, and the extended valve port 23 is used for controlling whether the raw sand falls or not and the flow rate of the raw sand. The lower end of the extended valve port 23 is connected with a sand screening sloping plate 10, and the sand screening sloping plate 10 is connected with a vertical partition plate 22 and used for directly screening fine sand meeting requirements into a fine sand channel 3. One side of the vertical partition plate 22 is overlapped by the coarse crushing roller 11 and the fine crushing roller 12, the coarse crushing roller 11 is arranged above the fine crushing roller 12, coarse sand firstly passes through the coarse crushing roller 11 and then passes through the fine crushing roller 12, and the coarse sand is fully changed into fine sand; the other side of the vertical partition plate 22 is communicated with fine sand for the qualified fine sand to directly pass through. The sand screening plate a 13 is arranged below the vertical partition plate 22, the sand screening plate a 13 is fixedly connected to the inner side of the machine body 7 through the two vibrating frames 14, and the sand screening plate a 13 is guaranteed to vibrate frequently during operation, so that casting sand is prevented from being accumulated. The below of sieve sand board a 13 is mixing bunker 4, is provided with mixing arrangement 15 in the mixing bunker 4, the fine sand that will become by the coarse sand and the fine sand intensive mixing of original. The bottom of mixing bunker 4 is equipped with discharge gate 5, and the below of discharge gate 5 is provided with sieve sand board b 16, and sieve sand board b 16 is in the inboard of fuselage 7 by two vibrations frame 14 rigid couplings equally, and the during operation guarantees that sieve sand board b 16 frequently vibrates, prevents that casting sand from piling up. The collection bin 17 is arranged below the sand screening plate b 16, the treated casting sand is collected and stored, the collection bin 17 is placed on the weighing device 6, the casting sand treated at each time is weighed and recorded, the working efficiency of the machine is determined, and the using amount of the casting sand can be weighed and distributed.

As shown in fig. 2, there is shown a front view of a sand casting sand screening crusher, which is a body 7 as a whole, wherein the top end of the body 7 is a feeding port 1, the middle part of the right front of the body 7 is a glass door 18, and the glass door 18 is provided with a lock body 20 for locking the glass door 18 and opening only when necessary. Below the glass door 18 is a delivery door 19, on which delivery door 19 a handle 21 is mounted, which handle 21 is used to open or close the delivery door.

Furthermore, a glass door is arranged in the middle of the front end of the machine body, and a lock body is arranged on the glass door.

Through adopting above-mentioned technical scheme, the glass door setting is in the position of sieve sand board an and sieve sand board b, and the long-pending sand condition on the staff of being convenient for observes sieve sand board an and the sieve sand board b for judge whether equipment needs the maintenance, also can carry out the clearance of sieve sand board through the glass door.

Furthermore, the lower side of the front end of the machine body is provided with a goods outlet door, and a handle is arranged on the goods outlet door.

Through adopting above-mentioned technical scheme, will handle the casting sand that finishes through the shipment door and transport out the use, increase the handle and can lock the shipment door, guarantee the safe handling of equipment.

Furthermore, the outer side of the top end of the machine body is provided with a smoke exhaust port.

Through adopting above-mentioned technical scheme, in the dehumidification storehouse of heating stirring, probably produce a large amount of cigarettes, influence the use of equipment, increase the exhaust port and remove the cigarette, increased the work efficiency of equipment.

The specific use method comprises the following steps: the raw sand is fed in through a feed inlet 1, and the operation parameters of the machine are selected and set through a control panel 2. The raw sand is firstly heated and stirred in the dehumidification bin 8, and the stirring time is controlled according to the humidity of the raw sand. After the dehumidification is finished, the extending valve port 23 is opened, and the falling flow of the raw sand is controlled by controlling the opening and closing amount of the valve port. The fallen raw sand passes through the sand screening sloping plate 10, and the fine sand meeting the requirement passes through the sand screening sloping plate 10 and falls on the sand screening plate a 13; at the moment, coarse sand is sequentially processed by the coarse crushing roller and the fine crushing roller to become fine sand and falls on the sand screening plate a 13, and the vibration frame 14 controls the sand screening plate a 13 to vibrate. The casting sand falls into the mixing bin 4 and the mixing device 15 mixes the treated fine sand with the original fine sand. After mixing, the casting sand falls onto a sand screening plate b 16 through a discharge port 5, a vibration frame 14 controls the sand screening plate b 16 to vibrate, the casting sand finally falls into a collection bin 17, a weighing device 6 weighs and records data, and finally the casting sand is taken out from a discharge port 19. During operation, the operation condition is observed through the glass door 18, and the glass door 18 can be opened for processing. And (5) fine crushing and screening the sand.

The utility model discloses can select the dehumidification time according to the humidity of casting sand, can fully dry casting sand, semi-automatic control's mode reduces the manpower consumption effectively, sieves sand efficiency and goes out the sand quality and is showing the improvement, through the coarse crushing with the mode in small, broken bits, handles the large granule in the former sand, increases resource utilization, dual screening has guaranteed the quality of last sand that goes out.

It should be known to those skilled in the art that the protection scheme of the present invention is not limited to the above-mentioned embodiments, and various permutations, combinations and transformations can be performed on the basis of the above-mentioned embodiments, without violating the spirit of the present invention, all the transformations performed by the present invention fall within the protection scope of the present invention.

Claims (4)

1. The utility model provides a sand casting screening sand fine crusher, includes fuselage (7), the top of fuselage (7) is feed inlet (1), the side of fuselage (7) is equipped with control panel (2), characterized by: the machine body is characterized in that a dehumidification bin (8) is arranged at the uppermost part in the machine body (7), a stirring device (9) is arranged in the middle of the dehumidification bin (8), the inner wall of the dehumidification bin (8) and the stirring device (9) can be heated, an extension type valve port (23) is arranged at the bottom of the dehumidification bin (8), the lower end of the extension type valve port (23) is connected with a sand screening inclined plate (10), the sand screening inclined plate (10) is connected with a vertical partition plate (22), one side of the vertical partition plate (22) is provided with a coarse crushing roller (11) and a fine crushing roller (12), the coarse crushing roller (11) is positioned above the fine crushing roller (12), the other side of the vertical partition plate (22) is a fine sand channel (3), a sand screening plate a (13) is arranged below the vertical partition plate (22), the sand screening plate a (13) is fixedly connected in the machine body (7) through two vibration frames (14), and a mixing bin (4) is arranged below the sand screening plate a (13), be equipped with mixing arrangement (15) in mixing storehouse (4), the bottom of mixing storehouse (4) is equipped with discharge gate (5), the below of discharge gate (5) is equipped with sieve sand board b (16), sieve sand board b (16) are inside fuselage (7) through two vibrations frame (14) rigid couplings, the below of sieve sand board b (16) is for collecting storehouse (17), the lower extreme of collecting storehouse (17) is weighing device (6).

2. The sand casting sand screening fine crusher according to claim 1, characterized in that: the middle of the front end of the machine body (7) is provided with a glass door (18), and the glass door (18) is provided with a lock body (20).

3. The sand casting sand screening fine crusher according to claim 1, characterized in that: the front end lower side of the machine body (7) is provided with a goods discharging door (19), and the goods discharging door (19) is provided with a handle (21).

4. The sand casting sand screening fine crusher according to claim 1, characterized in that: and a smoke outlet (24) is arranged on the outer side of the top end of the machine body (7).

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