CN215090484U

CN215090484U - Sand grain recovery device

Info

Publication number: CN215090484U
Application number: CN202121573490.6U
Authority: CN
Inventors: 何海平; 黎扩; 卢智聪
Original assignee: Guangxi Kechuang New Material Co ltd
Current assignee: Guangxi Kechuang New Material Co ltd
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2021-12-10
Anticipated expiration: 2031-07-12

Abstract

The utility model discloses a sand grain recovery unit relates to the casting mould and retrieves, has solved the sand grain and has stacked the technical problem who is unfavorable for the cooling. It comprises a crusher and a sieving machine; the discharge end of the pulverizer is communicated with the feed end of the screening machine, the discharge end of the screening machine is provided with a transfer box, a partition plate is arranged in the transfer box, a hollow conveying cylinder is arranged above the partition plate, a lower flow rotary table is arranged on the transfer box at the periphery of the hollow conveying cylinder, an upper flow rotary table is arranged above the hollow conveying cylinder, a spiral feeding rod is arranged in the hollow conveying cylinder, and the spiral feeding rod penetrates through and extends into the upper flow rotary table; the periphery of the hollow conveying cylinder is provided with a spiral cooling disc, and two ends of the spiral cooling disc are respectively communicated with the upper flow rotating disc and the lower flow rotating disc; one end of the lower flow rotary disc is provided with a discharge port, and a sand grain collecting box is arranged below the discharge port. The utility model discloses rational in infrastructure, practical reliable, great reduction workman's intensity of labour, and can carry out effectual cooling to the sand grain, need not to deposit the cooling in addition.

Description

Sand grain recovery device

Technical Field

The utility model relates to a casting mould is retrieved, and more specifically says that it relates to a sand grain recovery unit.

Background

When the sand casting mold takes out the casting, the casting can be taken out by breaking the casting mold. The broken sand mould can be directly recycled to avoid the waste of resources. Currently, the sand mold is recycled by first crushing the sand mold by a crusher, and then workers transfer the crushed sand to a sieving machine for sieving to separate recyclable sand from fine unusable sand. Because the sand mold is generally transferred to a recovery process after a casting is taken out, the sand mold has a certain temperature, so that finally obtained sand grains have a certain temperature (generally between 50 and 80 ℃), cannot be directly used and need to be stored and cooled. However, the storage and cooling not only occupy the space of a workshop, but also can lead the sand grains inside the sand pile to be difficult to cool because the sand grains are stacked together, thus leading to long cooling time and being not beneficial to subsequent processing.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is not enough to prior art, provides a sand grain recovery unit, has solved the sand grain and has stacked and be unfavorable for refrigerated problem.

The utility model relates to a sand recovery device, which comprises a crusher and a sieving machine; the discharge end of the pulverizer is communicated with the feed end of the screening machine, the discharge end of the screening machine is provided with a transfer box, a partition plate is arranged in the transfer box, a hollow conveying cylinder is arranged above the partition plate and connected with the discharge end of the screening machine through a conveying pipeline, and the hollow conveying cylinder penetrates through and extends to the upper part of the transfer box; a spiral feeding rod is arranged in the hollow conveying cylinder, the lower end of the spiral feeding rod penetrates through the partition plate, and the spiral feeding rod is rotatably connected with the partition plate; a driving mechanism is arranged in the transfer box, and the driving end of the driving mechanism is connected with the lower end of the spiral feeding rod; a lower flow rotary table is arranged on a transfer box at the periphery of the hollow conveying cylinder, an upper flow rotary table is arranged above the hollow conveying cylinder, and the spiral feeding rod penetrates through and extends into the upper flow rotary table; the periphery of the hollow conveying cylinder is provided with a spiral cooling disc, and two ends of the spiral cooling disc are respectively communicated with the upper flow rotating disc and the lower flow rotating disc; one end of the lower flow rotary disc is provided with a discharge port, and a sand grain collecting box is arranged below the discharge port.

The driving mechanism comprises a servo motor and a reduction gearbox, the servo motor is arranged on the outer side of the transfer box, the reduction gearbox is arranged in the transfer box, a gear is fixedly arranged on the periphery of the spiral feeding rod, and the servo motor is connected with the gear through the reduction gearbox.

Furthermore, a plurality of supporting springs are arranged below the transferring box, and telescopic columns are arranged in the supporting springs.

Furthermore, a collecting hopper is arranged above the sieving machine.

Furthermore, the pulverizer is communicated with the aggregate bin through a sand conveying belt.

Furthermore, the sand grain conveying belt comprises a speed reduction motor, a support and a plurality of chains, a plurality of transmission rollers are mounted on the support, the chains are mounted on the transmission rollers, a conveying belt is mounted on the chains, a plurality of sand storage grooves are formed in the conveying belt, and blocking plates are mounted in the sand storage grooves; and the driving end of the speed reducing motor is connected with one of the driving rollers.

Advantageous effects

The utility model has the advantages that: through the setting of sand grain transmission band for the sand grain transportation between rubbing crusher and the screening machine need not to pass through manual operation again, great reduction workman's intensity of labour, improved work efficiency. And the sand storage groove and the stop plate arranged on the sand conveying belt can effectively avoid the problem that sand falls off the sand conveying belt, and the sand conveying belt is practical and reliable. In addition, the arrangement of the transferring box, the hollow conveying cylinder, the spiral feeding rod and the spiral cooling disc enables sand grains to have sufficient cooling time in the transferring process, so that the recovered sand grains can be transferred to a processing workshop immediately without being stored additionally.

Drawings

FIG. 1 is a schematic structural view of a recycling device of the present invention;

FIG. 2 is a schematic view of the internal structure of the transportation box of the present invention;

fig. 3 is a schematic view of the structure of the sand conveying belt of the present invention.

Wherein: 1-crusher, 2-sieving machine, 3-transferring box, 4-partition board, 5-hollow conveying cylinder, 6-conveying pipeline, 7-spiral feeding rod, 8-lower flow turntable, 9-upper flow turntable, 10-spiral cooling disc, 11-servo motor, 12-reduction box, 13-gear, 14-supporting spring, 15-telescopic column, 16-collecting hopper, 17-sand conveying belt, 18-chain, 19-driving roller, 20-conveying belt, 21-sand storage tank, 22-barrier board, 23-sand collecting box and 24-sand net pipe.

Detailed Description

The present invention will be further described with reference to the following examples, which are not intended to limit the scope of the present invention, but are intended to be covered by the appended claims in any way.

Referring to fig. 1 to 3, the present invention relates to a sand recycling device, which includes a crusher 1 and a sieving machine 2. The discharge end of the crusher 1 is communicated with the feed end of the sieving machine 2. Specifically, a collecting hopper 16 is arranged above the sieving machine 2 and used for storing crushed sand grains without additional stacking. The crusher 1 communicates with a collecting hopper 16 via a sand conveyor 17 for conveying crushed sand into the collecting hopper 16.

Preferably, the grit conveyor belt 17 includes a gear motor, a carrier and a plurality of chains 18. Install three driving roller 19 on the support, chain 18 installs on driving roller 19, installs conveyer belt 20 on the chain 18, is equipped with a plurality of sand storage tank 21 on the conveyer belt 20, all installs barrier plate 22 in the sand storage tank 21. The drive end of the reduction motor is connected to one of the drive rollers 19. The driving roller 19 is driven to rotate by the speed reducing motor, and then the chain 18 and the conveyor belt 20 on the surface of the chain are driven to move, so that the sand on the conveyor belt 20 is conveyed. The sand storage groove 21 and the blocking plate 22 in the conveyor belt 20 can effectively position sand grains and reduce the falling of the sand grains.

The discharge end of screening machine 2 is equipped with defeated case 3 of relaying, is equipped with division board 4 in defeated case 3 of relaying, and the top of division board 4 is equipped with cavity transport cylinder 5, and cavity transport cylinder 5 passes through pipeline 6 and is connected with the discharge end of screening machine 2. Specifically, a feed inlet is formed in one side of the hollow conveying cylinder 5, a conveying pipeline 6 is installed in the feed inlet, the conveying pipeline 6 extends to the discharge end of the screening machine 2, and a collecting hopper matched with the discharge end of the screening machine 2 is arranged at the tail end of the conveying pipeline 6.

A hollow transport cylinder 5 extends through and above the transfer box 3, and a screw feed rod 7 is provided in the hollow transport cylinder 5 for feeding sand from the hollow transport cylinder 5 to the top thereof. The lower end of the spiral feeding rod 7 penetrates through the partition plate 4, and the spiral feeding rod 7 is rotatably connected with the partition plate 4. A driving mechanism is arranged in the transferring box 3, and the driving end of the driving mechanism is connected with the lower end of the screw feeding rod 7.

Specifically, actuating mechanism includes servo motor 11 and reducing gear box 12, and servo motor 11 installs in defeated case 3's the outside, and reducing gear box 12 installs in defeated case 3, and screw feed rod 7's peripheral fixed mounting has gear 13, and servo motor 11 passes through reducing gear box 12 and is connected with gear 13, realizes the drive to screw feed rod 7.

The transferring box 3 at the periphery of the hollow conveying cylinder 5 is provided with a lower flow rotary disc 8, an upper flow rotary disc 9 is arranged above the hollow conveying cylinder 5, and the lower flow rotary disc 8 is obliquely arranged towards the sand collecting box 23, so that sand can flow out of the lower flow rotary disc 8. The screw feeder rods 7 extend through and into the upper flow disc 9 to feed the sand particles into the upper flow disc 9. The periphery of the hollow conveying cylinder 5 is provided with a spiral cooling disc 10, and two ends of the spiral cooling disc 10 are respectively communicated with an upper flow rotary disc 9 and a lower flow rotary disc 8. One end of the lower flow rotary disc 8 is provided with a discharge port, and a sand grain collecting box 23 is arranged below the discharge port and used for collecting the crushed and cooled sand grains.

Preferably, the outlet is connected to a sand collection box 23 via a rotating sand screen pipe 24 for filtering dust from the sand. The sand net pipe 24 is arranged on the outer side of the discharge port through a support frame, the sand net pipe 24 is rotatably connected with the support frame, a driving motor is arranged on the support frame, and the sand net pipe 24 is connected with the driving end of the driving motor through a gear, so that the rotation of the sand net pipe 24 can be realized.

Preferably, a plurality of supporting springs 14 are arranged below the transfer box 3, and telescopic columns 15 are arranged in the supporting springs 14. Through the arrangement of the supporting spring 14 and the telescopic column 15, the mechanical vibration generated by the servo motor 11 in the working process and the spiral cooling disc 10 can generate vibration, and the downward flow of sand grains in the spiral cooling disc is facilitated.

The utility model discloses a theory of operation is: and (3) putting the sand mold with the casting taken out into a crusher 1, crushing the sand mold by the crusher 1, and then conveying sand particles into a collection hopper 16 through a sand particle conveying belt 17. When sand falls onto screener 2, screener 2 screens off the excessively fine sand. The screened sand particles enter the hollow conveying cylinder 5 through the conveying pipeline 6 and enter the upper flow turntable 9 under the action of the spiral feeding rod 7; then the sand enters the spiral cooling disc 10 for cooling, and then enters the sand collecting box 23 through the lower flow rotary disc 8 and the sand mesh pipe 24, so that the recovery of the sand is realized.

The above is only the preferred embodiment of the present invention, and it should be noted that for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which will not affect the utility model and the utility of the patent.

Claims

1. A sand recovery device comprises a crusher (1) and a sieving machine (2); the crusher is characterized in that a discharge end of the crusher (1) is communicated with a feed end of a screening machine (2), a transfer box (3) is arranged at the discharge end of the screening machine (2), a partition plate (4) is arranged in the transfer box (3), a hollow conveying cylinder (5) is arranged above the partition plate (4), the hollow conveying cylinder (5) is connected with the discharge end of the screening machine (2) through a conveying pipeline (6), and the hollow conveying cylinder (5) penetrates through and extends to the upper part of the transfer box (3); a spiral feeding rod (7) is arranged in the hollow conveying cylinder (5), the lower end of the spiral feeding rod (7) penetrates through the partition plate (4), and the spiral feeding rod (7) is rotatably connected with the partition plate (4); a driving mechanism is arranged in the transferring box (3), and the driving end of the driving mechanism is connected with the lower end of the screw feeding rod (7); a lower flow rotary table (8) is arranged on the transfer box (3) at the periphery of the hollow conveying cylinder (5), an upper flow rotary table (9) is arranged above the hollow conveying cylinder (5), and the spiral feeding rod (7) penetrates through and extends into the upper flow rotary table (9); a spiral cooling disc (10) is arranged on the periphery of the hollow conveying cylinder (5), and two ends of the spiral cooling disc (10) are respectively communicated with an upper flow rotary disc (9) and a lower flow rotary disc (8); one end of the lower flow rotary disc (8) is provided with a discharge hole, and a sand grain collecting box (23) is arranged below the discharge hole.

2. A sand grain recovery device according to claim 1, wherein the driving mechanism comprises a servo motor (11) and a reduction gearbox (12), the servo motor (11) is installed outside the transfer box (3), the reduction gearbox (12) is installed in the transfer box (3), a gear (13) is fixedly installed on the periphery of the spiral feeding rod (7), and the servo motor (11) is connected with the gear (13) through the reduction gearbox (12).

3. A sand reclamation device as claimed in claim 1, wherein a plurality of support springs (14) are provided below the transfer tank (3), said support springs (14) having telescopic columns (15) therein.

4. A sand reclamation apparatus as claimed in claim 1, wherein a collection hopper (16) is provided above the sizer (2).

5. A sand reclamation apparatus as claimed in claim 4, wherein said comminutor (1) communicates with a collection hopper (16) via a sand conveyor belt (17).

6. The sand grain recovery device according to claim 5, wherein the sand grain conveying belt (17) comprises a speed reduction motor, a bracket and a plurality of chains (18), the bracket is provided with a plurality of driving rollers (19), the chains (18) are arranged on the driving rollers (19), the chains (18) are provided with a conveying belt (20), the conveying belt (20) is provided with a plurality of sand storage grooves (21), and the sand storage grooves (21) are respectively provided with a blocking plate (22); the driving end of the speed reducing motor is connected with one of the driving rollers (19).