CN215824187U - Precoated sand regeneration production line - Google Patents

Abstract

The utility model relates to the technical field of precoated sand regeneration, in particular to a precoated sand regeneration production line, which comprises a crushing and screening machine and a stirring sand mixer, wherein the stirring sand mixer is positioned on the right side of the crushing and screening machine; crushing sieve separator is including smashing the screening box, it has first feeder hopper to smash screening box left side upper end intercommunication, crushing screening box upper end middle part fixed mounting has first motor, the first pivot of the output shaft lower extreme fixedly connected with of first motor. According to the utility model, the heated materials can be circularly crushed and screened at the same time through the crushing and screening machine, so that the material crushing and screening efficiency is higher, the effect is better, then the screened materials are sent into the stirring sand mixing box, then the additive is added into the stirring sand mixing box, and the materials and the additive are fully mixed in the stirring sand mixing box, so that the materials are mixed more uniformly and quickly, and the production efficiency and quality of precoated sand regeneration are improved.

Description

Precoated sand regeneration production line

Technical Field

The utility model relates to the technical field of precoated sand regeneration, in particular to a precoated sand regeneration production line.

Background

The precoated sand mainly adopts high-quality selected natural silica sand as raw sand, thermoplastic phenolic resin, urotropine and a reinforcing agent as raw materials, has the advantages of no shell mold delamination, good thermal stability, good thermal conductivity, good fluidity, flat casting surface, high strength and high temperature resistance, and is widely applied to a casting forming process. The used waste precoated sand mainly has two recycling ways at present, firstly, the waste sand is regenerated, and the regenerated precoated sand can be used as a new molding material; the other is resource utilization of the waste precoated sand, and the waste precoated sand is utilized to prepare other novel composite materials. The existing precoated sand regeneration production line generally comprises two steps when the precoated sand is crushed and screened, and the two steps cannot be carried out simultaneously, so that the production efficiency is low, and the production cost is high. Therefore, a precoated sand regeneration production line is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a precoated sand regeneration production line to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a precoated sand regeneration production line comprises a crushing and screening machine and a stirring and sand mixing machine, wherein the stirring and sand mixing machine is positioned on the right side of the crushing and screening machine;

the crushing and screening machine comprises a crushing and screening box body, wherein the upper end of the left side of the crushing and screening box body is communicated with a first feed hopper, a first motor is fixedly arranged in the middle of the upper end of the crushing and screening box body, a first rotating shaft is fixedly connected to the lower end of an output shaft of the first motor, a guide hopper is fixedly connected to the upper end of the outer surface of the first rotating shaft, a first guide plate is fixedly connected to the inner left side wall of the crushing and screening box body and positioned at the first feed hopper, a containing groove is fixedly connected to the outer surface of the first rotating shaft and positioned at the lower end of the guide hopper, the containing groove is in a spiral shape with an opened end, a discharge pipe is communicated to the lower end of the outer side of the guide hopper and extends into the containing groove, a filter screen is fixedly connected to the inner lower end of the containing groove and positioned in the crushing and screening box body, the filter screen is obliquely arranged, a first connecting pipe is communicated to the upper end of the filter screen on the left side of the crushing and screening box body, the lower end of the crushing and screening box body is communicated with a first discharging hopper, a second connecting pipe is installed at the position of the first discharging hopper, one end, away from the crushing and screening box body, of the first connecting pipe and one end, away from the crushing and screening box body, of the second connecting pipe are both communicated with a conveying box body, a second motor is fixedly installed in the middle of the upper end of the conveying box body, a second rotating shaft is fixedly connected to the lower end of an output shaft of the second motor, helical blades are welded to the surface of the second rotating shaft, the upper end of the right side of the second rotating shaft is communicated with a guide cylinder, and the guide cylinder on the left side extends to the right above the first discharging hopper;

the stirring and sand mixing machine comprises a stirring and sand mixing box body, the upper ends of the left side and the right side of the stirring and sand mixing box body are communicated with a second feed hopper, a third motor is fixedly mounted at the upper end of the stirring and sand mixing box body, the lower end of an output shaft of the third motor is fixedly connected with a third rotating shaft, the outer surface of the third rotating shaft is fixedly connected with a material guide cover, the material guide cover is in a round table shape, the inner side wall of the left side and the right side of the stirring and sand mixing box body and positioned at the second feed hopper are fixedly connected with a second material guide plate, the outer surface of the third rotating shaft and positioned at the lower end of the material guide cover are fixedly connected with four groups of connecting rods in a circumferentially equidistant mode, the outer side of each connecting rod is fixedly connected with a stirring rod, stirring paddles are fixedly connected with the surfaces of the stirring rod in an equidistant mode, and the lower end of the stirring and sand mixing box body is communicated with a second discharge hopper;

the right side guide cylinder extends to the left side right above the second feed hopper.

As a further optimization of the technical scheme, two groups of telescopic rods are installed at the lower end of the conveying box body, the lower ends of the four groups of telescopic rods are fixedly connected with the base together, and springs are sleeved on the outer sides of the telescopic rods and located between the base and the conveying box body.

As a further optimization of the technical scheme, the first material guide plate and the first feed hopper are obliquely arranged, and the first material guide plate extends to the upper end of the material guide hopper.

As a further optimization of the technical scheme, the guide cylinder is obliquely arranged.

As a further optimization of the technical scheme, the second material guide plate and the second feed hopper are obliquely arranged, and the second material guide plate extends to the upper end of the material guide cover.

As a further optimization of the technical scheme, the second discharging hopper is provided with a valve.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, heated materials can be fed into the crushing and screening machine, the materials can be circularly crushed and screened at the same time through the crushing and screening machine, so that the crushing and screening efficiency of the materials is higher, the effect is better, then the screened materials are fed into the stirring and sand-mixing box, then the additives are added into the stirring and sand-mixing box, and the materials and the additives are fully mixed in the stirring and sand-mixing box, so that the materials are mixed more uniformly and quickly, and the regeneration production efficiency and quality of the precoated sand are improved.

Drawings

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

FIG. 2 is an enlarged view of a portion of FIG. 1A;

FIG. 3 is a schematic structural view of a crushing and screening box according to the present invention.

In the figure: 1. a base; 2. a telescopic rod; 3. crushing and screening the box body; 4. a spring; 5. a first feed hopper; 6. a first motor; 7. a first rotating shaft; 8. a material guide hopper; 9. a first material guide plate; 10. a material containing groove; 11. a discharge pipe; 12. a filter screen; 13. a first discharge hopper; 14. a conveying box body; 15. a second motor; 16. a second rotating shaft; 17. a helical blade; 18. a material guide cylinder; 19. stirring the sand mulling box; 20. a second feed hopper; 21. a third motor; 22. a third rotating shaft; 23. a material guiding cover; 24. a connecting rod; 25. a stirring rod; (ii) a 26. A stirring paddle; 27. a second discharge hopper; 28. a second material guide plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a precoated sand regeneration production line comprises a crushing and screening machine and a stirring and sand mixing machine, wherein the stirring and sand mixing machine is positioned on the right side of the crushing and screening machine;

the crushing and screening machine comprises a crushing and screening box body 3, a first feed hopper 5 is communicated with the upper end of the left side of the crushing and screening box body 3, a first motor 6 is fixedly arranged in the middle of the upper end of the crushing and screening box body 3, a first rotating shaft 7 is fixedly connected with the lower end of an output shaft of the first motor 6, a guide hopper 8 is fixedly connected with the upper end of the outer surface of the first rotating shaft 7, a first guide plate 9 is fixedly connected with the inner left side wall of the crushing and screening box body 3 and positioned at the first feed hopper 5, a material containing groove 10 is fixedly connected with the outer surface of the first rotating shaft 7 and positioned at the lower end of the guide hopper 8, the material containing groove 10 is in a spiral shape with an opening at the tail end, a discharge pipe 11 is communicated with the outer lower end of the guide hopper 8, the discharge pipe 11 extends into the material containing groove 10, a filter screen 12 is fixedly connected with the lower end of the material containing groove 10 in the crushing and positioned in the crushing and screening box body 3, and the filter screen 12 is obliquely arranged, a first connecting pipe is communicated with the left side of the crushing and screening box body 3 and positioned at the upper end of the filter screen 12, a first discharging hopper 13 is communicated with the lower end of the crushing and screening box body 3, a second connecting pipe is arranged at the position of the first discharging hopper 13, one end of the first connecting pipe, far away from the crushing and screening box body 3, and one end of the second connecting pipe, far away from the crushing and screening box body 3 are both communicated with a conveying box body 14, a second motor 15 is fixedly arranged in the middle of the upper end of the conveying box body 14, a second rotating shaft 16 is fixedly connected to the lower end of an output shaft of the second motor 15, a spiral blade 17 is welded on the surface of the second rotating shaft 16, a guide cylinder 18 is communicated with the upper end of the right side of the second rotating shaft 16, and the guide cylinder 18 on the left side extends rightwards to the upper part of the first feeding hopper 5;

the stirring sand mixer comprises a stirring sand mixing box body 19, the upper ends of the left side and the right side of the stirring sand mixing box body 19 are communicated with a second feed hopper 20, a third motor 21 is fixedly mounted at the upper end of the stirring sand mixing box body 19, the lower end of an output shaft of the third motor 21 is fixedly connected with a third rotating shaft 22, the outer surface of the third rotating shaft 22 is fixedly connected with a material guide cover 23, the material guide cover 23 is in a circular truncated cone shape, a second material guide plate 28 is fixedly connected with the left side wall and the right side wall in the stirring sand mixing box body 19 and is positioned at the second feed hopper 20, four groups of connecting rods 24 are fixedly connected with the outer surface of the third rotating shaft 22 and is positioned at the lower end of the material guide cover 23 in the circumferential direction at equal intervals, stirring rods 25 are fixedly connected with the outer sides of the connecting rods 24, stirring paddles 26 are fixedly connected with the surface at equal intervals, and the lower end of the stirring sand mixing box body 19 is communicated with a second discharge hopper 27;

the guide cylinder 18 on the right side extends to the right above the second feed hopper 20 on the left side.

Specifically, two sets of telescopic links 2, four groups are installed to carry 14 lower extremes of box the common fixedly connected with base 1 of 2 lower extremes of telescopic link, the spring 4 has been cup jointed in the 2 outsides of telescopic link and lie in between base 1 and the transport box 14 for smash the sieve separator and can shake in the course of the work.

Specifically, the first material guide plate 9 and the first feed hopper 5 are both obliquely arranged, the first material guide plate 9 extends to the upper end of the material guide hopper 8, and the material fed from the first feed hopper 5 is guided into the material guide hopper 8 through the first material guide plate 9.

Specifically, the guide cylinder 18 is disposed obliquely so that the material reaching the upper end of the conveying box 14 can be introduced from the guide cylinder 18 into the second feed hopper 20 at the left or inside the first feed hopper 5.

Specifically, the second material guide plate 28 and the second feeding hopper 20 are both obliquely arranged, and the second material guide plate 28 extends to the upper end of the material guide cover 23.

Specifically, a valve is installed on the second discharge hopper 27, and when the valve is opened, the mixed material can be discharged from the second discharge hopper 27.

Specifically, when the material crusher is used, heated materials are fed into a first feed hopper 5, the materials fed from the first feed hopper 5 are guided into a material guide hopper 8 through a first material guide plate 9, then enter a material containing groove 10 through a material discharge pipe 11, a first motor 6 works to drive a first rotating shaft 7 to rotate, so that the material guide hopper 8 and the material containing groove 10 rotate, the materials continuously collide with the inner wall of the material containing groove 10, the materials are crushed, then the materials reach the upper end of a filter screen 12, vibration can occur in the working process of the crushing and screening machine, the materials are screened through the filter screen 12, the materials which are not completely crushed slide into a left conveying box body 14 from the upper end of the filter screen 12, a second motor 15 works to drive a second rotating shaft 16 and a helical blade 17 to rotate, the materials are lifted upwards through the helical blade 17, and then enter the first feed hopper 5 again from a material guide cylinder 18, then enters the crushing and screening box body 3 to circularly crush the materials, the materials which meet the specification fall into the first discharging hopper 13, then enters the right conveying box body 14, the second motor 15 works to drive the second rotating shaft 16 and the helical blade 17 to rotate, the helical blade 17 lifts the materials upwards, then enters the second feeding hopper 20 at the left side from the material guide cylinder 18, leads the materials to the material guide cover 23 through the second material guide plate 28, feeds the additive into the second feeding hopper 20 at the right side, the additive is guided to the material guiding cover 23 through the second material guiding plate 28, and the third rotating shaft 22 is driven to rotate by the operation of the third motor 21, so that the materials arriving at the material guiding cover 23 are thrown into the stirring and sand-mixing box 19, and are rotated by the stirring rod 25 and the stirring paddle 26, the materials are stirred, so that the materials and the additives are fully mixed, and the mixed materials can be discharged from the second discharging hopper 27 by opening the valve.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a tectorial membrane sand regeneration production line, is including smashing sieve separator and stirring roller mill, its characterized in that: the stirring sand mixer is positioned on the right side of the crushing and screening machine; the crushing screening machine comprises a crushing screening box body (3), a first feed hopper (5) is communicated with the upper end of the left side of the crushing screening box body (3), a first motor (6) is fixedly installed at the middle of the upper end of the crushing screening box body (3), a first rotating shaft (7) is fixedly connected with the lower end of an output shaft of the first motor (6), a guide hopper (8) is fixedly connected with the upper end of the outer surface of the first rotating shaft (7), a first guide plate (9) is fixedly connected with the left side wall in the crushing screening box body (3) and positioned at the first feed hopper (5), a material containing groove (10) is fixedly connected with the outer surface of the first rotating shaft (7) and positioned at the lower end of the guide hopper (8), the material containing groove (10) is in a spiral shape with an end opened, a discharge pipe (11) is communicated with the lower end of the outer side of the guide hopper (8), and the discharge pipe (11) extends into the material containing groove (10), the crushing and screening box body (3) is internally and fixedly connected with a filter screen (12) at the lower end of a material containing groove (10), the filter screen (12) is obliquely arranged, the left side of the crushing and screening box body (3) is communicated with a first connecting pipe at the upper end of the filter screen (12), the lower end of the crushing and screening box body (3) is communicated with a first discharge hopper (13), a second connecting pipe is arranged at the first discharge hopper (13), one end of the first connecting pipe, far away from the crushing and screening box body (3), and one end of the second connecting pipe, far away from the crushing and screening box body (3) are both communicated with a conveying box body (14), a second motor (15) is fixedly installed in the middle of the upper end of the conveying box body (14), a second rotating shaft (16) is fixedly connected with a second rotating shaft (15) at the lower end of an output shaft of the second motor (15), a helical blade (17) is welded on the surface of the second rotating shaft (16), and a material guide cylinder (18) is communicated with the upper end of the right side of the second rotating shaft (16), the left guide cylinder (18) extends rightwards to the upper part of the first feed hopper (5); the stirring sand mixer comprises a stirring sand mixing box body (19), the upper ends of the left side and the right side of the stirring sand mixing box body (19) are communicated with a second feed hopper (20), a third motor (21) is fixedly mounted at the upper end of the stirring sand mixing box body (19), a third rotating shaft (22) is fixedly connected with the lower end of an output shaft of the third motor (21), a material guide cover (23) is fixedly connected with the outer surface of the third rotating shaft (22), the material guide cover (23) is in a round table shape, the left side wall and the right side wall in the stirring sand mixing box body (19) are fixedly connected with a second material guide plate (28) at the position of the second feed hopper (20), four groups of connecting rods (24) are fixedly connected with the outer surface of the third rotating shaft (22) at equal intervals in the circumferential direction of the lower end of the material guide cover (23), a stirring rod (25) is fixedly connected with the outer side of the connecting rod (24), and stirring rods (25) are fixedly connected with stirring paddles (26) at equal intervals in the surface, the lower end of the stirring and sand mixing box body (19) is communicated with a second discharge hopper (27);

the guide cylinder (18) at the right side extends to the right side to the left side and is arranged above the second feed hopper (20).

2. The precoated sand regeneration production line according to claim 1, characterized in that: two sets of telescopic links (2), four groups are installed to carry box (14) lower extreme the common fixedly connected with base (1) of telescopic link (2) lower extreme, telescopic link (2) outside just is located and has cup jointed spring (4) between base (1) and the transport box (14).

3. The precoated sand regeneration production line according to claim 1, characterized in that: the first material guide plate (9) and the first feed hopper (5) are obliquely arranged, and the first material guide plate (9) extends to the upper end of the material guide hopper (8).

4. The precoated sand regeneration production line according to claim 1, characterized in that: the material guide cylinder (18) is obliquely arranged.

5. The precoated sand regeneration production line according to claim 1, characterized in that: the second material guide plate (28) and the second feed hopper (20) are obliquely arranged, and the second material guide plate (28) extends to the upper end of the material guide cover (23).

6. The precoated sand regeneration production line according to claim 1, characterized in that: and a valve is arranged on the second discharging hopper (27).

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