CN217858648U

CN217858648U - Well lid casting sand processing system

Info

Publication number: CN217858648U
Application number: CN202220976273.XU
Authority: CN
Inventors: 张美玲
Original assignee: Wuhan Youpin Zhizao Technology Co ltd
Current assignee: Wuhan Youpin Zhizao Technology Co ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-11-22
Anticipated expiration: 2032-04-25

Abstract

The utility model relates to a well lid casting sand processing system, which comprises a sand warehouse, a conveyer belt and a sieving crusher; the lower end of the sand warehouse is provided with a sand outlet, a sieving crusher is arranged below the sand outlet, and a conveying belt is arranged below the sieving crusher; the bottom of the sieving crusher is a sieve plate which is obliquely arranged, and the lower end of the sieve plate is butted with a crushing mechanism. The utility model discloses a well lid casting sand processing system will sieve and broken integration, and the fine sand that comes out from the sand storehouse can directly fall on the conveyer belt through the sieve, and the sand block can slide in crushing mechanism along the sieve inclined plane and carry out the breakage, and the fine sand that the breakage was accomplished also directly falls on the conveyer belt. Meanwhile, the vibrator is arranged on the side part of the sieve plate, so that sieve holes of the sieve plate can be prevented from being blocked, fine sand can smoothly fall down under the vibration effect, the whole device has the effect of crushing sand blocks, the production and conveying efficiency can not be influenced, and the labor capacity of workers is greatly reduced.

Description

Well lid casting sand processing system

Technical Field

The utility model belongs to the technical field of sand casting equipment, especially, relate to a well lid casting sand processing system.

Technical Field

In the sand casting production process, the used molding sand needs to be subjected to a section of pretreatment process, then is stored in a sand warehouse, and is discharged from the sand warehouse to be mixed with other raw materials to prepare a sand mold. The process has two problems, one is that a part of sand in the sand warehouse is stuck on the inner wall of the sand warehouse and cannot fall off smoothly, thereby affecting the discharging efficiency; secondly, the sand in the sand silo can have the phenomenon of partial caking, and the caked sand can not be directly conveyed to the next stage for use, but needs to be manually sieved or crushed again to ensure the fineness of the sand material, thereby obviously increasing the labor capacity of workers and also reducing the production efficiency.

The existing sand treatment production line is usually provided with a crusher for crushing used sand at a used sand recovery treatment section, the used sand is basically large sand blocks, but the sand in a sand warehouse is a large amount of fine sand doped with small sand blocks, so the crusher for treating the used sand is obviously not directly suitable for treating sand materials discharged from the sand warehouse.

SUMMERY OF THE UTILITY MODEL

For solving the problem that exists among the technical background, the utility model provides a well lid casting sand processing system can improve sand treatment efficiency, reduces staff's work load, guarantees the fineness of sand material.

In order to realize the purpose, the adopted specific technical scheme is as follows: a well lid casting sand processing system is characterized by comprising a sand warehouse, a conveying belt and a sieving crusher;

the lower end of the sand warehouse is provided with a sand outlet, a sieving crusher is arranged below the sand outlet, and a conveying belt is arranged below the sieving crusher; the bottom of the sieving crusher is a sieve plate which is obliquely arranged, and the lower end of the sieve plate is butted with a crushing mechanism.

Furthermore, a vibration device is arranged on the side wall of the sand outlet at the lower end of the sand warehouse.

Furthermore, the vibration devices are pneumatic vibration devices, two vibration devices are adopted, and the two vibration devices are symmetrically arranged on the side wall of the sand outlet.

Further, the crushing mechanism comprises any one of a roller type crushing mechanism, a hammer type crushing mechanism and a rotary type crushing mechanism.

Further, the surface of the roller type crushing mechanism is provided with convex teeth.

Furthermore, the inclination angle of the sieve plate of the sieving crusher is 10-30 degrees, and the length of the sieve plate along the direction of the conveying belt is at least 1.5 times of the diameter of the sand outlet.

Further, a vibrator is arranged on the side of the sieve plate. The vibrator can be selected from an electromagnetic vibrator or a pneumatic vibrator.

Compared with the prior art, the utility model discloses a well lid casting sand processing system will sieve and broken integration, and the fine sand that comes out from the sand storehouse can directly fall on the conveyer belt through the sieve, and the sand block can slide in crushing mechanism along the sieve inclined plane and carry out the breakage, and the fine sand that the breakage was accomplished also directly falls on the conveyer belt.

The sand material slips into crushing mechanism and can pass through certain distance, and fine sand can be by abundant undersize at this in-process, and only very little fine sand probably gets into crushing mechanism, and the work load of the crushing mechanism who alleviates greatly makes it can only carry out the breakage to the sand piece accurately, reduces its work degree of wear, has prolonged life.

The side wall of a sand outlet of the sand warehouse is provided with a vibration anti-blocking device, so that sand adhered to the inner wall can be vibrated down; meanwhile, the vibrator is arranged on the side part of the sieve plate, so that sieve holes of the sieve plate can be prevented from being blocked, fine sand can smoothly fall down under the vibration effect, the whole device plays a role in crushing sand blocks, the production and conveying efficiency can not be influenced, and the labor capacity of workers is greatly reduced.

Drawings

FIG. 1 is a schematic view of the structure of the well lid casting sand treatment system of the utility model;

fig. 2 is the utility model discloses a breaker that sieves structure schematic diagram.

Description of the symbols: 1-a sand warehouse, 2-a sand outlet, 3-a vibration device, 4-a sieving crusher, 41-a sieve plate, 42-a crushing mechanism, 43-a round roller, 44-a vibrator and 5-a conveying belt.

Detailed Description

As shown in fig. 1, the utility model provides a well lid casting sand processing system, which comprises a sand warehouse, a conveyer belt and a sieving crusher; the lower extreme of sand storehouse is the sand outlet, and the symmetry is provided with two vibrator on the sand outlet lateral wall. The vibrating device in the embodiment is a pneumatic vibrating device, is low in air consumption, safe and energy-saving, and is suitable for dry and dusty environments such as sand treatment. Meanwhile, in order to prevent the problem that the sand does not fall in the sand silo, the sand silo of the embodiment adopts a spiral stirring mechanism (such as a device disclosed in patent CN 109110313A) to control the sand to be discharged.

As shown in figure 2, the bottom of the sieving crusher is an obliquely arranged sieve plate, the higher end of the sieve plate of the sieving crusher is butted under the sand outlet, and the lower end of the sieve plate is butted with a crushing mechanism. The sieve plate sieves the fine sand and falls on the conveyer belt, and the sand block slides into the crushing mechanism along the inclined plane of the sieve plate to be crushed; the inclination angle of the sieve plate of the sieve crusher is 10-30 degrees, in the embodiment, the inclination angle is 15 degrees, and the length of the sieve plate along the direction of the conveying belt is 1.5 times of the diameter of the sand outlet. Through setting up reasonable gradient and length, make fine sand by abundant undersize at the in-process of sliding to crushing mechanism.

The side of the sieve plate is provided with a vibrator. The embodiment adopts the electromagnetic vibrator, and has small volume, low price and convenient use. In order to protect the vibrator, the vibrator is installed on the shell of the sieving crusher in the embodiment, the vibration position corresponds to the side edge of the sieve plate, and the sand material is not in contact with the vibrator, so that the fault or damage of the vibrator is avoided. Prevent through the vibration that the sieve mesh of sieve from taking place to block up, fine sand can the unblocked falling down under continuous vibration effect, and the vibration effect also can promote the sand block gliding simultaneously, avoids the sand block to stop on the sieve for a long time.

The crushing mechanism can be any one of a roller type crushing mechanism, a hammer type crushing mechanism and a rotary type crushing mechanism. In the embodiment, the roller type crushing mechanism is used, a pair of round rollers which rotate in opposite directions are used for crushing sand blocks, the sand outlet of the sieve plate is just aligned to the upper part of the crushing mechanism, the sand blocks roll on the sieve plate in a row and fall between the two round rollers directly, the crushed sand falls out from the lower part of the crushing mechanism and falls on the conveying belt, the surface of the round roller of the embodiment is provided with the dense convex teeth, the extrusion effect is good, and the sand blocks are crushed more fully.

When the system works, sand in the sand warehouse is output under the stirring of the spiral stirring mechanism, falls into the sieving crusher from the shakeout opening, and meanwhile, the pneumatic vibration device on the side wall of the shakeout opening vibrates continuously to prevent the inner side wall of the shakeout opening from being bonded by sand materials. The fine sand directly falls on the conveyor belt through a sieve plate of the sieving crusher, and a small amount of sand blocks slide to the crushing mechanism along the inclined plane of the sieve plate, enter between the two round rollers, are crushed by extrusion and then fall on the conveyor belt through the round rollers. When the sieving crusher works, the vibrator on the side of the sieve plate continuously vibrates to beat the sieve plate, so that sieve holes of the sieve plate are not blocked.

The system can automatically carry out sieving and crushing work, reduce the manual workload, ensure the fineness of sand materials, has reasonable structure, furthest reduces the workload of the crushing mechanism, reduces the abrasion of the crushing mechanism, has longer service life and reduces the failure rate of equipment.

Claims

1. A well lid casting sand processing system is characterized by comprising a sand warehouse, a conveying belt and a sieving crusher;

2. The system for treating the well lid casting sand according to claim 1, wherein a vibration device is arranged on the side wall of the sand outlet at the lower end of the sand warehouse.

3. The well lid casting sand treatment system of claim 2, wherein the vibration device is a pneumatic vibration device, two vibration devices are adopted, and the vibration devices are symmetrically arranged on the side wall of the sand outlet.

4. The well lid casting sand handling system of claim 1, wherein the crushing mechanism comprises any one of a roller crushing mechanism and a hammer crushing mechanism.

5. The well lid casting sand handling system of claim 4, wherein the surface of the roller crusher mechanism is toothed.

6. The well lid casting sand processing system of claim 1, wherein the sieve plate of the sieving crusher has a sieve plate inclination angle of 10-30 degrees, and the length of the sieve plate in the direction of the conveyer belt is at least 1.5 times the diameter of the sand outlet.

7. The manhole cover casting sand handling system of claim 1, wherein the screen plate side is provided with a vibrator.