CN216780224U

CN216780224U - New and old tectorial membrane sand mixing arrangement

Info

Publication number: CN216780224U
Application number: CN202123150616.1U
Authority: CN
Inventors: 杜建文; 姚剑; 宋晓茜
Original assignee: Shanxi Qinxin Machinery Manufacturing Co ltd; Shanxi Qinxin Energy Group Co Ltd
Current assignee: Shanxi Qinxin Machinery Manufacturing Co ltd; Shanxi Qinxin Energy Group Co Ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-06-21
Anticipated expiration: 2031-12-15

Abstract

The utility model relates to a new and old precoated sand mixing device, belonging to the technical field of precoated sand recycling; the sand collecting device comprises an old sand hopper and a new sand hopper, wherein corresponding guide grooves are respectively arranged at the lower end outlets of the old sand hopper and the new sand hopper, the lower ends of the two guide grooves are converged at the upper end of a material receiving port above a screw feeder, and a sand receiving device is arranged at the outlet of the screw feeder; inserting grooves are formed in the side faces of the lower ends of the old sand hopper and the new sand hopper, and inserting plates are inserted into the inserting grooves; a filter screen is arranged at the lower end outlets of the old sand hopper and the new sand hopper; not only can accomplish the reuse of old tectorial membrane sand after new and old tectorial membrane sand mixes, but also can adjust the mixing proportion through the inside flow of picture peg control sand hopper, can also filter the tectorial membrane sand at last.

Description

New and old tectorial membrane sand mixing arrangement

Technical Field

The utility model belongs to the technical field of precoated sand recycling, and particularly relates to a new and old precoated sand mixing device.

Background

The existing casting precoated sand becomes waste sand after being used, becomes solid waste, cannot be directly utilized, needs to be specially transported and treated, and not only causes the rise of cost, but also causes the loss of materials. The purchase price given by the precoated sand manufacturer for recycling is also low, or the precoated sand manufacturer only helps to pull away, and cannot recycle the precoated sand again, so that a great amount of precoated sand is wasted.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes the defects of the prior art and provides a new and old precoated sand mixing device; the problem of the unable reuse of tectorial membrane sand after solving the present use.

In order to achieve the above object, the present invention is achieved by the following technical solutions.

A new and old precoated sand mixing device comprises an old sand hopper and a new sand hopper, wherein corresponding guide grooves are respectively arranged at the lower end outlets of the old sand hopper and the new sand hopper, the lower ends of the two guide grooves are converged at the upper end of a material receiving port above a screw feeder, and a sand receiving device is arranged at the outlet of the screw feeder; inserting grooves are formed in the side faces of the lower ends of the old sand hopper and the new sand hopper, and inserting plates are inserted into the inserting grooves; and filter screens are arranged at the lower end outlets of the old sand hopper and the new sand hopper.

Furthermore, the old sand hopper and the new sand hopper are of square cone structures with thick upper parts and thin lower parts, and are symmetrically arranged on two sides of the screw feeder respectively.

Furthermore, old sand fill is fixed subaerial through the mount respectively with new sand fill, the mount includes four stands, the stand vertical fixation is subaerial, and the upper end of stand is fixed mutually with four angles of old sand fill and new sand fill respectively.

Furthermore, the flashboard is inserted into the sand hopper from the outer side of the sand hopper through the insertion groove.

Further, the lower extreme of sand hopper is provided with horizontally filter screen platform, four angles of filter screen platform respectively with four stand looks fixed connection, the filter screen sets up in filter screen platform's center department.

Further, a screw feeder fixing support is fixedly arranged between the two fixing frames, the screw feeder fixing support is fixedly arranged between the stand columns on the two sides and is a certain distance away from the ground, and the screw feeder is fixedly arranged at the upper end of the screw feeder fixing support.

Furthermore, the sand receiving device is arranged below the fixed support of the screw feeder.

Compared with the prior art, the utility model has the following beneficial effects:

according to the mixing device provided by the utility model, new and old precoated sand can be mixed according to a set proportion, and finally the mixture is output to the material receiving device after being mixed by the spiral feeder, so that later-stage taking and use are convenient, and the mixed precoated sand can be reused, so that recycling of the old precoated sand is completed. And be provided with the filter screen platform, can filter new tectorial membrane sand and old tectorial membrane sand simultaneously, saved the filtering procedure of the tectorial membrane sand after the later stage mixes. And be provided with the picture peg on the sand hopper, can regulate and control the flow of sand hopper, and then adjust the mixing proportion of new and old tectorial membrane sand, be more fit for the on-the-spot real-time needs, the adaptability is stronger.

Drawings

The utility model is described in further detail below with reference to the accompanying drawings:

FIG. 1 is a schematic structural view of the present invention as a whole;

wherein, 1 is old sand fill, 2 is new sand fill, 3 is the guiding gutter, 4 is the screw feeder, 5 is receiving device, 6 is ground, 7 is the picture peg, 8 is the mount, 9 is the filter screen platform, 10 is the screw feeder fixed bolster.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail with reference to the embodiments and the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model. The technical solution of the present invention is described in detail below with reference to the embodiments and the drawings, but the scope of protection is not limited thereto.

As shown in fig. 1, the utility model provides a new and old precoated sand mixing device, which comprises an old sand hopper 1 and a new sand hopper 2, wherein corresponding diversion trenches 3 are respectively arranged at the lower end outlets of the old sand hopper 1 and the new sand hopper 2, the lower ends of the two diversion trenches 3 are converged at the upper end of a material receiving port above a screw feeder 4, and a sand receiving device is arranged at the outlet of the screw feeder 4.

The old sand hopper 1 and the new sand hopper 2 are both of square cone structures with thick upper parts and thin lower parts and are symmetrically arranged on two sides of the screw feeder 4 respectively. The old sand hopper 1 and the new sand hopper 2 are respectively fixed on the ground 6 through a fixing frame 8, the fixing frame 8 comprises four upright posts, the upright posts are vertically fixed on the ground 6, and the upper ends of the upright posts are respectively fixed with four corners of the old sand hopper 1 and the new sand hopper 2.

The lower extreme side of old sand fill 1 and new sand fill 2 is provided with the inserting groove, the inside grafting of inserting groove has picture peg 7, picture peg 7 is pegged graft in the inside of sand fill through the inserting groove from the outside of sand fill, and through the degree of depth of control picture peg 7 grafting, can control the cross section that passes through of sand fill, and then control tectorial membrane sand flow and velocity of flow in the sand fill.

The lower extreme of sand hopper is provided with horizontally filter screen platform 9, four angles of filter screen platform 9 respectively with four stand looks fixed connection. The center of the filter screen platform 9 is provided with a filter screen, the mesh number of the filter screen is 30 meshes, and the filter screen is arranged right below the outlet at the lower end of the sand hopper and used for filtering the precoated sand output by the sand hopper.

The diversion trench 3 is fixedly arranged at the lower end of the filter screen platform 9, the upper end of the diversion trench 3 is right opposite to the filter screen, and the lower end of the diversion trench 3 is right above the feed inlet of the screw feeder 4. The lower end outlets of the two guide grooves 3 are located above the feeding hole of the screw feeder 4, and the precoated sand flowing down from the two guide grooves 3 enters the inside of the screw feeder 4 from the feeding hole.

A screw feeder fixing support 10 is fixedly arranged between the two fixing frames 8, the screw feeder fixing support 10 is fixedly arranged between the upright posts on the two sides and is away from the ground 6 by a certain distance, and the screw feeder 4 is fixedly arranged at the upper end of the screw feeder fixing support 10. Through setting up screw feeder fixed bolster 10 for the lower extreme of guiding gutter 3 is less with screw feeder 4's feed inlet distance, and inside the tectorial membrane sand that flows down from guiding gutter 3 can all get into the feed inlet.

The sand receiving device is arranged below the screw feeder fixing support 10, is positioned right below a discharge port of the screw feeder 4 and is used for receiving materials output by the screw feeder 4.

The working principle of the utility model is as follows:

respectively placing the old precoated sand and the new precoated sand into an old sand hopper 1 and a new sand hopper 2 according to the ratio of 1:5, inputting the sand into a filter screen through an outlet at the lower end of the sand hopper, filtering the sand by the filter screen, and inputting the sand into a diversion trench 3.

The new and old precoated sand in the two diversion trenches 3 are collected in the screw feeder 4, mixed and stirred by the screw feeder 4, and finally output to the material receiving device 5. Therefore, the new precoated sand and the old precoated sand are mixed together according to a set proportion, impurities mixed in the precoated sand are filtered and removed, and the mixed precoated sand in the material receiving device 5 can be directly utilized, so that the material cost is saved.

And through the degree of depth of control picture peg 7 grafting in the sand hopper, can control the flow of two sand hoppers respectively, just so can control new and old tectorial membrane sand and get into the inside volume of screw feeder 4 to change the proportion of new and old tectorial membrane sand, realized the real-time regulation and control of proportion, it is more convenient.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a new and old tectorial membrane sand mixing arrangement which characterized in that: the sand collecting device comprises an old sand hopper (1) and a new sand hopper (2), wherein corresponding guide grooves (3) are respectively arranged at the outlets of the lower ends of the old sand hopper (1) and the new sand hopper (2), the lower ends of the two guide grooves (3) are converged at the upper end of a material receiving port above a screw feeder (4), and a sand receiving device is arranged at the outlet of the screw feeder (4); inserting grooves are formed in the side faces of the lower ends of the old sand hopper (1) and the new sand hopper (2), and inserting plates (7) are inserted into the inserting grooves; and filter screens are arranged at the lower end outlets of the old sand hopper (1) and the new sand hopper (2).

2. The new and old precoated sand mixing device according to claim 1, characterized in that: the old sand hopper (1) and the new sand hopper (2) are of square cone structures with thick upper parts and thin lower parts and are symmetrically arranged on two sides of the screw feeder (4) respectively.

3. The new and old precoated sand mixing device according to claim 1, characterized in that: the sand removing device is characterized in that the old sand hopper (1) and the new sand hopper (2) are fixed on the ground (6) through a fixing frame (8) respectively, the fixing frame (8) comprises four upright columns, the upright columns are vertically fixed on the ground (6), and the upper ends of the upright columns are fixed with four corners of the old sand hopper (1) and the four corners of the new sand hopper (2) respectively.

4. The new and old precoated sand mixing device according to claim 1, characterized in that: the inserting plate (7) is inserted into the sand hopper from the outer side of the sand hopper through the inserting groove.

5. The new and old precoated sand mixing device according to claim 3, characterized in that: the lower extreme of sand hopper is provided with horizontally filter screen platform (9), four angles of filter screen platform (9) respectively with four stand looks fixed connection, the filter screen sets up in the center department of filter screen platform (9).

6. The new and old precoated sand mixing device according to claim 3, characterized in that: a screw feeder fixing support (10) is fixedly arranged between the two fixing frames (8), the screw feeder fixing support (10) is fixedly arranged between the upright columns on the two sides and is away from the ground (6) by a certain distance, and the screw feeder (4) is fixedly arranged at the upper end of the screw feeder fixing support (10).

7. The new and old precoated sand mixing device according to claim 1, characterized in that: the sand receiving device is arranged below the screw feeder fixing support (10).