CN215141994U - Vibrating type molding sand screening device - Google Patents

Abstract

The utility model relates to a vibrating type molding sand screening device, which belongs to the technical field of molding sand treatment; the vibrating type molding sand screening device comprises a feeding mechanism for conveying molding sand to be screened and a screening mechanism for screening the molding sand, wherein the screening mechanism consists of a vibrating screen, a fixed screen, a material collecting box and a screen frame, the material collecting box is arranged on the screen frame, the vibrating screen is arranged above the material collecting box, the fixed screen is arranged on the material collecting box and is positioned below the lower end of the vibrating screen, the feeding mechanism is arranged on the right side of the screening mechanism, and a discharge port of the feeding mechanism corresponds to the vibrating screen of the screening mechanism; the utility model discloses can once only accomplish multichannel processing processes such as pay-off, screening, collection, make the molding sand of screening out continue to drop into operation to improve molding sand utilization ratio, reduce processing cost, degree of automation is high, the operation is stable, labour saving and time saving, screening efficiency is high, the screening is thorough.

Description

Vibrating type molding sand screening device

Technical Field

The utility model relates to a vibrating type molding sand sieving mechanism belongs to molding sand processing technology field.

Background

The casting is a method of casting liquid metal into a molding cavity which is adaptive to the shape of a part, and obtaining the part or a blank after the liquid metal is cooled and solidified, wherein a casting mold material adopted by sand casting is molding sand which is used as a main raw material for molding in the sand casting, the molding sand has certain requirements on the purity, the granularity and the like, a certain amount of coarse sand, fragments, impurities and the like exist in old sand after long-term repeated use, the use requirements cannot be met, and the quality of the casting is seriously influenced if the old sand is continuously used.

Many enterprises generally dispose of used sand as waste after long-term use for convenience, which results in waste of molding sand and increased cost; the molding sand screening treatment and recycling are carried out by using a simple mechanical structure for screening or manual screening, but the molding sand screening treatment and recycling method has the problems of low automation degree, time and labor waste, low screening efficiency and incomplete screening.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problem that exists among the background art, the utility model provides a vibrating type molding sand sieving mechanism, will wait to screen the molding sand through feeding mechanism and carry to the shale shaker upper end of screening mechanism at the uniform velocity, the shale shaker is treated and is screened the molding sand and carry out first screening, make the coarse sand that waits to screen in the molding sand, the fragment, impurity etc. along the shale shaker landing to the fixed screen on, the fixed screen carries out secondary screening, further make remaining molding sand and impurity separation in the shale shaker screening process, and carry out unified collection through the molding sand that the case that gathers materials will twice select, can once only accomplish the pay-off, the screening, multichannel processing procedures such as collection, the molding sand that makes the screening out can continue to put into use, thereby improve the molding sand utilization ratio, reduce the processing cost, degree of automation is high, the operation is stable, labour saving and time saving, high screening efficiency, the screening is thorough.

In order to solve the above problem, the utility model discloses a following technical scheme realizes:

vibrating type molding sand sieving mechanism is including the screening mechanism that is used for carrying the feeding mechanism of waiting to filter the molding sand and is used for sieving the molding sand, screening mechanism comprises shale shaker, fixed sieve, the workbin that gathers materials, bank of screens, the workbin that gathers materials is installed on the bank of screens, and the shale shaker setting is in the workbin top that gathers materials, and the fixed sieve is installed and is located the position department of shale shaker low side below on gathering materials, feeding mechanism sets up on the screening mechanism right side, and feeding mechanism's discharge gate is corresponding with the shale shaker of screening mechanism.

Preferably, feeding mechanism includes auger mechanism, support, speed reducer, motor I, motor base, auger mechanism installs on the support in the slope, and auger mechanism's feed end is connected with motor I through the speed reducer, and speed reducer, motor I are installed on motor base.

Preferably, be equipped with the storage case on auger mechanism's the feed inlet, and the feed inlet both sides are equipped with the draw-in groove, install the separation blade that is used for adjusting the molding sand flow in the draw-in groove, the discharge gate corresponds the position department that sets up the higher one end top of shale shaker in screening mechanism.

Preferably, the shale shaker includes sieve case, screen cloth, horizontal pole, branch flitch, vibration exciter, motor II, damping strutting arrangement, stock guide, the sieve case passes through the damping strutting arrangement and installs on the case that gathers materials, and the stock guide that the slope is downward and extend to in the case that gathers materials is installed to sieve case lower extreme, the horizontal pole is installed at the sieve incasement, installs the screen cloth on the horizontal pole, and sieve case low side is equipped with the branch flitch that is connected with the screen cloth, the vibration exciter is installed on the sieve case and is connected with motor II.

Preferably, a conveyer belt for conveying the molding sand is arranged below the discharge opening of the material collecting box.

The utility model has the advantages that:

the utility model discloses a feeding mechanism will treat to screen the molding sand at the uniform velocity and carry to the shale shaker upper end of screening mechanism, the shale shaker is treated the screening molding sand and is carried out the primary screening, make the coarse sand in treating the screening molding sand, the fragment, impurity etc. along the shale shaker landing to fixed screen on, the fixed screen carries out secondary screening, further make remaining molding sand and impurity separation in the shale shaker screening process, and unify the collection through the molding sand that the collection case was selected twice, can once only accomplish the pay-off, the screening, multichannel processing procedures such as collection, the molding sand that makes the screening go out can continue to drop into use, thereby improve the molding sand utilization ratio, reduce the processing cost, degree of automation is high, the operation is stable, time saving and labor saving, screening efficiency is high, the screening is thorough.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the feeding mechanism of the present invention;

FIG. 3 is a schematic view of the auger mechanism of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is a schematic structural view of the screening mechanism of the present invention;

FIG. 6 is a schematic structural view of the vibrating screen of the present invention;

FIG. 7 is a front view of the vibrating screen of the present invention;

fig. 8 is a schematic view of the installation position of the conveyer belt of the present invention.

Description of reference numerals: 1-feeding mechanism, 2-screening mechanism, 3-auger mechanism, 4-bracket, 5-speed reducer, 6-motor I, 7-motor base, 8-feeding port, 9-storage box, 10-baffle, 11-clamping slot, 12-discharging port, 13-vibrating screen, 14-fixed screen, 15-collecting box, 16-sieve frame, 17-sieve box, 18-sieve mesh, 19-cross bar, 20-material separating plate, 21-vibration exciter, 22-motor II, 23-vibration damping supporting device, 24-material guide plate, 25-conveying belt, 26-helical blade and 27-rotating shaft.

Detailed Description

In order to make the objects, technical solutions, objectives and effects of the present invention obvious and understandable, preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the skilled person can understand the preferred embodiments.

It should be noted that, in the description of the present invention, unless explicitly specified or limited, the terms "mounted," "connected," and "connected" should be broadly interpreted, i.e., they may be fixedly connected or detachably connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate.

The utility model discloses in, as shown in fig. 1-5, vibrating type molding sand sieving mechanism is including being used for carrying the feeding mechanism 1 of waiting to filter the molding sand and the screening mechanism 2 that is used for sieving the molding sand, screening mechanism 2 comprises shale shaker 13, fixed screen 14, the case 15 that gathers materials, bank of screens 16, the case 15 that gathers materials is installed on bank of screens 16, and shale shaker 13 sets up in case 15 top that gathers materials, and fixed screen 14 installs the position department that lies in 13 low side below of shale shaker on the case 15 that gathers materials, feeding mechanism 1 sets up on screening mechanism 2 right sides, and feeding mechanism 1's discharge gate 12 is corresponding with the shale shaker 13 of screening mechanism 2. Shale shaker 13 sets up the position department in collection case 15 upper end opening top, carry the molding sand of treating to screen on shale shaker 13 at the uniform velocity by feeding mechanism 1, shale shaker 13 is treated the screening molding sand and is carried out primary screening, make the coarse sand in the molding sand of treating to screen, the fragment, impurity etc. with the molding sand separation that can continue to use and along shale shaker 13 landing to fixed screen 14 on, carry out secondary screening by fixed screen 14, coarse sand, the fragment, impurity etc. move to fixed screen 14's sifting surface low side under the effect of gravity, further make remaining molding sand and impurity separation in the shale shaker 13 screening process, and carry out unified collection through collection case 15 with the molding sand of twice screening, and coarse sand, the fragment, impurity etc. then slide through fixed screen 14's sifting surface to ground or in the garbage collection container. This device can once only accomplish pay-off, screening, multichannel processing processes such as collection, makes the molding sand of screening out continue to drop into operation to improve molding sand utilization ratio, reduce treatment cost, degree of automation is high, the operation is stable, labour saving and time saving, screening efficiency is high, the screening is thorough.

The utility model discloses in, as shown in fig. 1-3, feeding mechanism 1 includes auger mechanism 3, support 4, speed reducer 5, motor I6, motor base 7, auger mechanism 3 inclines to be installed on support 4, and auger mechanism 3's feed end is connected with motor I6 through speed reducer 5, and speed reducer 5, motor I6 are installed on motor base 7. Install auger mechanism 3 slope on support 4, motor I6 drives auger mechanism 3's pivot 27 through speed reducer 5 and rotates, drives the helical blade 26 of installing in pivot 27 and rotates to wait to screen molding sand propelling movement to discharge gate 12, speed reducer 5 reduces motor I6's output rotational speed to satisfying the required rotational speed of auger mechanism 3 pay-off, make the feeding speed and screening speed phase-match, avoid waiting to screen the molding sand and excessively pile up on shale shaker 13.

The utility model discloses in, as shown in fig. 1-4, be equipped with storage case 9 on the feed inlet 8 of auger mechanism 3, and the feed inlet 8 both sides are equipped with draw-in groove 11, install the separation blade 10 that is used for adjusting the molding sand flow in the draw-in groove 11, discharge gate 12 corresponds the position department that sets up in screening mechanism 2 the higher one end top of shale shaker 13. Be equipped with storage case 9 on feed inlet 8, can once only drop into the sand of waiting to filter of capacity, in order to reduce and throw the material number of times, draw-in groove 11 can be followed to the separation blade 10 in the horizontal direction on the pull in order to change 8 open-ended sizes of feed inlet, thereby adjust the outflow of waiting to filter the sand, make wait to filter the sand in right amount and at the uniform velocity from storage case 9 through feed inlet 8 enter into auger mechanism 3, in order to guarantee stable pay-off quantity, and simultaneously, can effectively avoid the sand to take place to block up in auger mechanism 3. The discharge port 12 of the auger mechanism 3 is correspondingly arranged at the position above the higher end of the vibrating screen 13 in the screening mechanism 2, the molding sand to be screened falls on the higher end of the vibrating screen 13 under the conveying of the auger mechanism 3, and the screening is completed by the vibrating screen 13.

The utility model discloses in, as shown in fig. 5-7, shale shaker 13 includes sieve case 17, screen cloth 18, horizontal pole 19, divides flitch 20, vibration exciter 21, motor II 22, damping strutting arrangement 23, stock guide 24, sieve case 17 passes through damping strutting arrangement 23 and installs on the case 15 that gathers materials, and sieve case 17 lower extreme is installed the slope and is downwards and extend to the stock guide 24 in the case 15 that gathers materials, horizontal pole 19 is installed in sieve case 17, installs screen cloth 18 on the horizontal pole 19, and sieve case 17 low side is equipped with the branch flitch 20 that is connected with screen cloth 18, vibration exciter 21 is installed on sieve case 17 and is connected with motor II 22. The molding sand to be screened falls on the upper end of the inclined plane of the screen mesh 18 of the vibrating screen 13 after being lifted and conveyed by the auger mechanism 3, the motor II 22 drives the vibration exciter 21 to vibrate the screen box 17, so as to carry out primary screening, in the vibration process of the screen box 17, the molding sand which can be continuously used in the molding sand to be screened falls into the material collecting box 15 through the screen mesh 18, the screen box 17 is internally provided with a material guide plate 24 which inclines downwards and extends towards the material collecting box 15, the material guide plate 24 can play a role of preventing the molding sand from scattering out of the material collecting box 15 when the vibrating screen 13 screens, coarse sand, broken blocks, impurities and the like slide downwards to the material separating plate 20 along the mesh surface of the screen mesh 18 in the screening process, the material separating plate 20 which is triangular can enable the coarse sand, the broken blocks, the impurities and the like to be scattered on the upper end of the screen surface of the fixed screen 14 more uniformly, so as to prolong the movement distance of the coarse sand, the broken blocks, the impurities and the like on the fixed screen 14, and the molding sand which is not completely separated or remained in the screening process of the vibrating screen 13 can fall into the material collecting box 15, so that a secondary screening is performed and unusable waste such as grit, fragments, impurities, etc. is slid out of the fixed screen 14. The molding sand to be screened is screened twice through the vibrating screen 13 and the fixed screen 14, so that the screening effect is more thorough on the premise of not reducing the screening efficiency.

In the present invention, as shown in fig. 1 and 8, a conveyer belt 25 for conveying molding sand is provided below the discharge opening of the material collection box 15. The screened sand falls onto the conveyor belt 25 through the discharge opening at the lower end of the collection box 15 after being preliminarily collected by the collection box 15, and the conveyor belt 25 transports the sand to a storage place for later use.

The utility model discloses a working process:

the molding sand to be screened is put into the storage box 9, the outflow of the molding sand to be screened can be adjusted by adjusting the opening degree of the baffle pieces 10 in the clamping grooves 11, so that the molding sand to be screened properly and uniformly enters the auger mechanism 3 from the storage box 9 through the feeding hole 8, the motor I6 drives the rotating shaft 27 of the auger mechanism 3 to rotate through the speed reducer 5, the helical blade 26 arranged on the rotating shaft 27 rotates along with the rotation of the rotating shaft 27, the molding sand to be screened is lifted and conveyed to the discharging hole 12 and falls on the upper end of the inclined plane of the screen 18 of the vibrating screen 13, and then the molding sand to be screened enters a screening link; the motor II 22 drives the vibration exciter 21 to vibrate the sieve box 17, so that primary sieving is performed, molding sand which can be continuously used in the molding sand to be sieved falls into the material collecting box 15 through the sieve mesh 18 in the vibration process of the sieve box 17, coarse sand, fragments, impurities and the like slide to the material separating plate 20 along the mesh surface of the sieve mesh 18, then fall onto the upper end of the inclined surface of the fixed sieve 14, and move to the lower end of the sieve surface under the action of gravity, so that secondary sieving is performed, the molding sand which is not completely separated or remains in the sieving process of the vibrating sieve 13 is separated from the impurities and falls into the material collecting box 15, and the coarse sand, the fragments, the impurities and the like slide to fall into the ground or a waste collecting container through the sieve surface of the fixed sieve 14; finally, the screened sand is collected primarily by the collection box 15 and then falls through the discharge opening onto the conveyor belt 25, and the conveyor belt 25 transports the sand to a storage area for later use.

The utility model discloses a feeding mechanism will treat to screen the molding sand at the uniform velocity and carry to the shale shaker upper end of screening mechanism, the shale shaker is treated the screening molding sand and is carried out the primary screening, make the coarse sand in treating the screening molding sand, the fragment, impurity etc. along the shale shaker landing to fixed screen on, the fixed screen carries out secondary screening, further make remaining molding sand and impurity separation in the shale shaker screening process, and unify the collection through the molding sand that the collection case was selected twice, can once only accomplish the pay-off, the screening, multichannel processing procedures such as collection, the molding sand that makes the screening go out can continue to drop into use, thereby improve the molding sand utilization ratio, reduce the processing cost, degree of automation is high, the operation is stable, time saving and labor saving, screening efficiency is high, the screening is thorough.

Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.

Claims (5)

1. The utility model provides a vibrating type molding sand sieving mechanism which characterized in that: vibrating type molding sand sieving mechanism is including feeding mechanism (1) that is used for carrying the molding sand of waiting to screen and screening mechanism (2) that is used for screening the type sand, screening mechanism (2) comprises shale shaker (13), fixed sieve (14), case (15), bank of screens (16) of gathering, gather that case (15) are installed on bank of screens (16), and shale shaker (13) set up in case (15) top of gathering, and fixed sieve (14) are installed and are located shale shaker (13) low side below position department on case (15) of gathering, feeding mechanism (1) sets up on screening mechanism (2) right side, and discharge gate (12) of feeding mechanism (1) are corresponding with shale shaker (13) of screening mechanism (2).

2. A vibratory sand screener according to claim 1, wherein: feeding mechanism (1) includes auger mechanism (3), support (4), speed reducer (5), motor I (6), motor base (7), auger mechanism (3) slope is installed on support (4), and the feed end of auger mechanism (3) is connected with motor I (6) through speed reducer (5), and speed reducer (5), motor I (6) are installed on motor base (7).

3. A vibratory sand screener according to claim 2, wherein: be equipped with storage case (9) on feed inlet (8) of auger mechanism (3), and feed inlet (8) both sides are equipped with draw-in groove (11), install separation blade (10) that are used for adjusting the molding sand flow in draw-in groove (11), and discharge gate (12) correspond the position department that sets up shale shaker (13) higher one end top in screening mechanism (2).

4. A vibratory sand screener according to claim 1, wherein: shale shaker (13) are including sieve case (17), screen cloth (18), horizontal pole (19), branch flitch (20), vibration exciter (21), motor II (22), damping strutting arrangement (23), stock guide (24), install on collection workbin (15) sieve case (17) through damping strutting arrangement (23), and the stock guide (24) that the slope is downward and extend to in collection workbin (15) are installed to sieve case (17) lower extreme, install in sieve case (17) horizontal pole (19), install screen cloth (18) on horizontal pole (19), sieve case (17) low side is equipped with branch flitch (20) that are connected with screen cloth (18), vibration exciter (21) are installed on sieve case (17) and are connected with motor II (22).

5. A vibratory sand screener according to claim 1 or claim 4, wherein: and a conveying belt (25) for conveying the molding sand is arranged below the discharge opening of the material collecting box (15).

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