CN210702328U

CN210702328U - Anti-hardening sand discharging device for casting production

Info

Publication number: CN210702328U
Application number: CN201921541176.2U
Authority: CN
Inventors: 林百奎
Original assignee: Hangzhou Wei Ran Industrial Ltd
Current assignee: Hangzhou Wei Ran Industrial Ltd
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-06-09
Anticipated expiration: 2029-09-17

Abstract

The utility model relates to a casting is with preventing equipment technical field that hardens, in particular to casting production is with preventing sand device that hardens, including feed hopper, crushing room, cylindrical recess, motor, rotary disk, crushing strip and screening mechanism, the crushing room is square, and its top is provided with square feed inlet, and the bottom is provided with square discharge gate, and feed hopper welds at the crushing room top, and feed hopper bottom and square feed inlet communicate; a plurality of horizontal connecting rods are symmetrically welded on the outer side of the crushing chamber, the connecting rods are fixed at the tops of the supporting rods, and a foot seat is welded at the bottom of each supporting rod; the inside cylindrical recess that is provided with in the right side of crushing room, the right side outer end of crushing room is fixed with the motor, and the drive end of motor is connected with the rotary disk. The utility model discloses can do loose processing to the casting for the production line molding sand that falls out in the sand storehouse to screen out the caking molding sand wherein, avoid the molding sand coalescence blocking to cause adverse effect to the casting, improve the quality of sand casting product.

Description

Anti-hardening sand discharging device for casting production

Technical Field

The utility model relates to a casting is with preventing equipment technical field that hardens, in particular to casting production is with preventing hardening sand device.

Background

In the modern sand casting production field, in order to improve the yield and the production efficiency, the traditional production mode is transferred to an streamlined production mode, the sand casting molding needs to prepare molding sand in advance, then the molding sand prepared by mixing is stored in a sand warehouse in a centralized manner, and further can be applied to the streamlined molding of sand casting.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a casting production is with preventing sand device that hardens can do loose processing to the casting for the production line that falls out in the sand storehouse molding sand to screen out the caking molding sand wherein, avoid the molding sand coalescence blocking to cause adverse effect to the casting, improve the quality of sand casting product.

In order to achieve the above purpose, the utility model adopts the following technical scheme to realize: a hardening-preventing sand discharging device for casting production comprises a feeding funnel, a crushing chamber, a cylindrical groove, a motor, a rotating disc, crushing strips and a screening mechanism, wherein the crushing chamber is in a square shape with a hollow center, a square feeding hole is formed in the top end of the crushing chamber, a square discharging hole is formed in the bottom end of the crushing chamber, the feeding funnel is welded to the top of the crushing chamber, and the bottom of the feeding funnel is communicated with the square feeding hole; a plurality of horizontal connecting rods are symmetrically welded on the outer side of the crushing chamber, the connecting rods are fixed at the tops of the supporting rods, and a foot seat is welded at the bottom of each supporting rod; a cylindrical groove is formed in the right side of the crushing chamber, a motor is fixed at the outer end of the right side of the crushing chamber, a driving end of the motor is connected with a rotating disc, the rotating disc is cylindrical and is positioned in the cylindrical groove, and a plurality of crushing strips are arranged on the front side of the rotating disc; the screening mechanism is arranged below the crushing chamber.

Further, screening mechanism is including screening room, installation piece, hourglass net, ejection of compact funnel and ejection of compact hose, the screening room is central hollow square, and its inboard symmetry is provided with a plurality of installation piece, it passes through the fix with screw in installation piece upper end to leak the net, screening room bottom is provided with ejection of compact funnel, the bottom intercommunication of ejection of compact funnel has ejection of compact hose.

Further, the bilateral symmetry of screening room is provided with a plurality of rotation axes, the rotation axis is cylindrical, sets up in the bracing piece through shaft hole clearance fit level, and wherein every rotation axis rear end of screening room one side all is connected with the front end of push-down cylinder, push-down cylinder fixes in the mounting panel upper end, the mounting panel is fixed in the bracing piece outside.

Furthermore, the crushing strips are equilateral triangles, three circles are provided, and the crushing strips are distributed in a circular shape and arranged on the front side of the circular rotating disk at equal angular intervals.

Further, the side length of the screening chamber is larger than that of the crushing chamber.

Furthermore, a plurality of rows of circular leak holes are uniformly formed in the leak net, and the diameter of each leak hole is 2-5 mm.

Compared with the prior art, the beneficial effects of the utility model reside in that:

(1) the utility model discloses a casting production is with preventing sand device that hardens includes feed hopper, broken room, cylindrical recess, including a motor, an end cap, a controller, and a cover plate, rotary disk and broken strip, the molding sand that emits in the sand storage storehouse flows into broken room from feed hopper and carries out the breakage, it rotates to drive circular rotary disk through the motor during breakage, broken strip of triangle-shaped through circular rotary disk front portion carries out rapid mixing to the molding sand board caking, carry out loose processing, make the molding sand pine of caking scatter, avoid the molding sand coalescence blocking to cause adverse effect to the casting, improve the quality of sand casting product.

(2) The casting production of design is with preventing sand device that hardens, still be provided with screening mechanism in the below of broken room, screening mechanism includes the screening room, the installation piece, the hourglass net, ejection of compact funnel and ejection of compact hose, the screening room is located under the discharge gate of broken room, the molding sand after loosening falls into on the hourglass net in the screening room from the discharge gate of broken room, utilize push-down cylinder to drive horizontal reciprocating motion about the rotation axis, make qualified molding sand leak down, but the molding sand that hardens and large granule molding sand are sieved and are filtered down, qualified molding sand is slided down to ejection of compact hose along ejection of compact funnel and is collected, make the molding sand of caking filtered, avoid the molding sand to coalesce into the piece and cause adverse effect to the casting, improve the quality of sand casting product.

Drawings

FIG. 1 is a schematic view of the whole structure of the anti-hardening sand-discharging device for casting production of the present invention;

fig. 2 is a cross-sectional view of a crushing mechanism of the present invention;

fig. 3 is a cross-sectional view of the sifting mechanism of the present invention;

fig. 4 is a schematic structural view of the middle rotary disc and the breaking strip of the present invention.

In the figure: 1. a feed hopper; 21. a crushing chamber; 22. a cylindrical recess; 23. a motor; 24. rotating the disc; 25. breaking the strips; 31. a support bar; 32. a foot seat; 33. a connecting rod; 34. a rotating shaft; 35. mounting a plate; 4. a push rod type cylinder; 5. a screening mechanism; 51. a screening chamber; 52. mounting blocks; 53. a leakage net; 54. a discharging hopper; 55. and (7) a discharge hose.

Detailed Description

In order to make the technical solution of the present invention better understood, the present invention is described in detail below with reference to the accompanying drawings, and the description of the present invention is only exemplary and explanatory, and should not be construed as limiting the scope of the present invention.

Example 1

As shown in fig. 1, 2 and 4, a hardening prevention sand discharging device for casting production comprises a feeding funnel 1, a crushing chamber 21, a cylindrical groove 22, a motor 23, a rotary disk 24 and crushing strips 25, wherein the crushing chamber 21, the cylindrical groove 22, the motor 23, the rotary disk 24 and the crushing strips 25 form the molding sand caking crushing mechanism of the utility model, the crushing chamber 21 is a square with a hollow center, the top end of the crushing chamber is provided with a square feeding hole, the bottom end of the crushing chamber is provided with a square discharging hole, the feeding funnel 1 is welded on the top of the crushing chamber 21, the bottom of the feeding funnel 1 is communicated with the square feeding hole, and the molding sand discharged from a sand storage warehouse flows into the crushing chamber 21 from the feeding funnel 1 to be crushed; eight horizontal connecting rods 33 are symmetrically welded on the outer side of the crushing chamber 21, the connecting rods 33 are fixed to the tops of four supporting rods 31, a foot base 32 is welded to the bottom of each supporting rod 31, a cylindrical groove 22 is formed in the right side of the crushing chamber 21, a motor 23 is fixed to the outer end of the right side of the crushing chamber 21, the motor 23 is a 24v direct current motor of the Freud brand, the model of the Freud brand is 5DC120-24GN-18, the rated power of the motor is 120w, the rotating speed is 6-500 r/s, the driving end of the motor 23 is connected with a rotating disk 24, the rotating disk 24 is cylindrical and is located in the cylindrical groove 22, a plurality of crushing strips 25 are arranged on the front side of the rotating disk 24, the preferable crushing strips 25 are equilateral triangles, three circles are formed, and are arranged on the. During operation, motor 23 drives circular rotary disk 24 and rotates, carries out rapid mixing through the broken strip 25 of the anterior triangle-shaped of circular rotary disk 24 to the molding sand board caking, carries out loose processing for the molding sand pine of caking disperses, avoids the molding sand coalescence agglomeration blocking to cause adverse effect to the casting, improves the quality of sand casting product.

Example 2

The utility model discloses a casting production is with preventing hardening sand device that goes out still further is provided with screening mechanism 5 in embodiment 1 crushing chamber 21's below, screening mechanism 5 includes screening chamber 51, installation piece 52, strainer 53, discharge hopper 54 and ejection of compact hose 55, screening chamber 51 is the hollow square of central authorities, be located under crushing chamber 21's the discharge gate, the length of side of screening chamber 51 is greater than crushing chamber 21's length of side, preferably screening chamber 51's length of side is 15~20cm than crushing chamber 21's length of side, when making screening chamber 51 do reciprocal screening motion in crushing chamber 21 below, screening chamber 51's feed inlet is located crushing chamber 21's discharge gate below all the time. Be provided with four installation pieces 52 at screening room 51 inboard symmetry, leak net 53 and pass through the fix with screw in installation piece 52 upper end, leak evenly to be provided with the circular small opening of multirow on the net 53, the small opening diameter is 2~5mm, make the molding sand can leak down, but hardened molding sand and large granule molding sand are sieved and are filtered down, screening room 51 is the disconnect-type structure with broken room 21, make the inside impurity of the indoor 51 of screening of being convenient for clear up, screening room 51 bottom is provided with ejection of compact funnel 54, ejection of compact funnel 54's bottom intercommunication has ejection of compact hose 55, the elastic plastic corrugated hose of preferred PE or PP material, make it keep normal connection function at certain stroke within range, make things convenient for the unloading. Screening room 51's bilateral symmetry is provided with four rotation axis 34, rotation axis 34 is cylindrical, set up in bracing piece 31 through shaft hole clearance fit level, wherein two rotation axis 34 rear ends of screening room 51 one side all are connected with the front end of a push-down cylinder 4, push-down cylinder 4 is fixed in mounting panel 35 upper end, push-down cylinder 4 uses the servo straight line push rod cylinder of the formula of turning back of GHE brand, its operating voltage is DC 24~36v, output is 100~200W, rated push-pull force 170~340N, repeated positioning accuracy +/-0.02 mm, maximum stroke 120mm, can satisfy the utility model discloses a user demand, mounting panel 35 is fixed in the bracing piece 31 outside.

As shown in fig. 1 to 4, use the utility model discloses a casting production is with preventing sand device that hardens, at first be connected ejection of compact hose 55 with sand transportation equipment for the casting, it is fixed to make its lower extreme discharge gate, the molding sand of carrying out in the sand storage storehouse is poured into crushing room 21 from feed hopper 1 in, utilize motor 23 to drive circular rotary disk 24 and rotate, broken strip 25 of triangle-shaped through circular rotary disk 24 front portion carries out rapid mixing to the molding sand board caking, loose the processing carries out, make the molding sand pine of caking scatter, avoid the molding sand coalescence caking to lead to the fact adverse effect to the casting, improve the quality of sand casting product. On the sand that loosens falls the hourglass net 53 in the screening room 51 from the discharge gate of crushing room 21, utilize push-down cylinder 4 to drive horizontal reciprocating motion about rotation axis 34 for qualified molding sand leaks down, but hardened molding sand and large granule molding sand are sieved and are filtered, and qualified molding sand is slided down to in ejection of compact hose 55 along ejection of compact funnel 54 and is collected.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a casting production is with preventing sand device that hardens which characterized in that: the crushing device comprises a feeding funnel (1), a crushing chamber (21), a cylindrical groove (22), a motor (23), a rotating disc (24), crushing strips (25) and a screening mechanism (5), wherein the crushing chamber (21) is in a square shape with a hollow center, a square feeding hole is formed in the top end of the crushing chamber, a square discharging hole is formed in the bottom end of the crushing chamber, the feeding funnel (1) is welded to the top of the crushing chamber (21), and the bottom of the feeding funnel (1) is communicated with the square feeding hole; a plurality of horizontal connecting rods (33) are symmetrically welded on the outer side of the crushing chamber (21), the connecting rods (33) are fixed on the tops of the supporting rods (31), and the bottom of each supporting rod (31) is welded with a foot seat (32); a cylindrical groove (22) is formed in the right side of the crushing chamber (21), a motor (23) is fixed at the outer end of the right side of the crushing chamber (21), a rotating disc (24) is connected to the driving end of the motor (23), the rotating disc (24) is cylindrical and is positioned in the cylindrical groove (22), and a plurality of crushing strips (25) are arranged on the front side of the rotating disc (24); the screening mechanism (5) is arranged below the crushing chamber (21).

2. The anti-hardening sand discharging device for casting production according to claim 1, characterized in that: screening mechanism (5) are including screening room (51), installation piece (52), hourglass net (53), ejection of compact funnel (54) and ejection of compact hose (55), screening room (51) are the hollow square of central authorities, and its inboard symmetry is provided with a plurality of installation piece (52), leak net (53) and pass through the fix with screw in installation piece (52) upper end, screening room (51) bottom is provided with ejection of compact funnel (54), the bottom intercommunication of ejection of compact funnel (54) has ejection of compact hose (55).

3. The anti-hardening sand discharging device for casting production according to claim 2, characterized in that: the bilateral symmetry of screening room (51) is provided with a plurality of rotation axes (34), rotation axis (34) are cylindrical, set up in bracing piece (31) through shaft hole clearance fit level, and wherein every rotation axis (34) rear end of screening room (51) one side all is connected with the front end of push rod cylinder (4), push rod cylinder (4) are fixed in mounting panel (35) upper end, the mounting panel (35) are fixed in the bracing piece (31) outside.

4. The anti-hardening sand discharging device for casting production according to claim 3, characterized in that: the crushing strips (25) are equilateral triangles, have three circles and are arranged on the front side of the circular rotating disk (24) at equal angular intervals in a circular distribution mode.

5. The anti-hardening sand discharging device for casting production according to claim 3, characterized in that: the side length of the screening chamber (51) is larger than that of the crushing chamber (21).

6. The anti-hardening sand discharging device for casting production according to claim 2, characterized in that: the screen (53) is evenly provided with a plurality of rows of circular leak holes with the diameter of 2-5 mm.