CN110935508A

CN110935508A - Pretreatment crushing device for waste cast iron parts

Info

Publication number: CN110935508A
Application number: CN201911249469.8A
Authority: CN
Inventors: 张勇
Original assignee: Fukun Foundry Hanshan County Anhui Province
Current assignee: Fukun Foundry Hanshan County Anhui Province
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-03-31

Abstract

The invention discloses a pretreatment crushing device for waste cast iron parts, which comprises a device main body and a large rotating wheel, wherein the upper end surface of the device main body is riveted with a feed hopper, a rotating shaft is rotatably arranged in the feed hopper, an agitator is sleeved on the rotating shaft, one side of the inner wall of the device main body is riveted with a fixed jaw plate, the other side of the inner wall of the device main body is movably provided with a movable jaw plate, and a crushing cavity is reserved between the fixed jaw plate and the movable jaw plate. According to the pretreatment crushing device for the cast iron waste, the movable jaw plate reciprocates left and right, the waste in the crushing cavity is continuously impacted and crushed, the crushing operation is completed by matching with the static jaw plate, the size of the waste iron is further reduced, the fan is additionally arranged, in the falling process of the waste, high wind power is generated to carry out winnowing on the falling material, fine substances such as residues and slag inclusion are winnowed into the winnowing waste material groove, the separation task is completed, the purity of subsequent molten iron is guaranteed, the device is suitable for different working conditions, and better use prospects are brought.

Description

Pretreatment crushing device for waste cast iron parts

Technical Field

The invention relates to the field of iron casting pretreatment, in particular to a pretreatment crushing device for waste cast iron parts.

Background

When the waste iron castings are melted and recovered in the induction electric furnace, the waste iron castings occupy a large space in the electric furnace, so that a melting furnace with few magnetizers and large gaps is formed, the speed of molten iron is low while the electric energy consumption is large when the waste iron is melted and recovered, and therefore, in order to solve the problems, the waste iron is generally treated and crushed before the melting process; the existing crushing device has many defects, the size and the shape of the waste are different and irregular, and the blockage is easily caused in the blanking process to influence the crushing; tiny useless residues are easily generated after crushing, the purity of iron can be influenced when the iron and waste materials are thrown into an electric furnace together, certain adverse effect is brought in the treatment process, and therefore the pretreatment crushing device for the waste cast iron parts is provided.

Disclosure of Invention

The invention mainly aims to provide a cast iron scrap pretreatment crushing device which can effectively solve the problems in the background technology.

In order to achieve the purpose, the invention adopts the technical scheme that:

the utility model provides a preliminary treatment breaker of cast iron scrap, includes device main part and bull wheel, the up end riveting of device main part has the feeder hopper, the inside rotation of feeder hopper is provided with the pivot, the agitator has been cup jointed in the pivot, inner wall one side riveting of device main part has quiet jaw, the activity of the inner wall opposite side of device main part is provided with moves the jaw, it has broken chamber to reserve between quiet jaw and the moving jaw, the bull wheel utilizes fixing base and device main part fixed, the welding has the eccentric block on the bull wheel, the avris of eccentric block and moving jaw is articulated, the welding of one side of moving jaw has the push rod, be provided with the spring between push rod and the device main part outside, the below of push rod is and lie in the activity on the moving jaw and be provided with the rocker, the bottom of device main part has been seted up and has been connect the silo, connect silo one side to install the fan, and the other side of the material receiving groove is provided with a winnowing waste material groove.

Preferably, the agitator is symmetrically provided with agitating blades, and the agitating blades are made of manganese steel alloy.

Preferably, a motor is installed on the outer side of the large rotating wheel, and the large rotating wheel is driven by the motor to do uniform circular motion.

Preferably, a plurality of groups of crushing teeth are uniformly distributed on the fixed jaw plate and the movable jaw plate.

Preferably, the material receiving groove is positioned right below the crushing cavity, and the fan fixing frame is arranged obliquely above the winnowing waste material groove.

The invention provides a pretreatment crushing device for cast iron scraps through improvement, which has the following remarkable improvements and advantages compared with the prior art:

(1) through the motion of eccentric block, the reciprocating motion is controlled to the movable jaw, and the waste material in continuous striking and broken intracavity cooperates quiet jaw to accomplish crushing operation, further reduces the volume of scrap iron.

(2) The fan is additionally arranged, so that in the falling process of the waste materials, great wind power is generated to winnowing the falling materials, and fine substances such as residues, slag inclusion and the like are winnowed into the winnowing waste material tank to complete the separation task, so that the purity of subsequent molten iron is ensured.

(3) The stirrer is added to ensure that the waste material is not blocked and blocked when being fed, and the waste material in the crushing cavity can be prevented from splashing upwards.

(4) Whole device design is simple, convenient operation, and the pretreatment mode is reasonable practical, improves work efficiency, and the effect of use is better for traditional mode.

Drawings

FIG. 1 is a schematic view of the overall structure of a pre-treatment crushing device for waste cast iron parts.

In the figure: 1. a device main body; 2. a feed hopper; 3. a rotating shaft; 4. an agitator; 5. a stationary jaw plate; 6. a movable jaw plate; 7. a crushing chamber; 8. an eccentric block; 9. a large rotating wheel; 10. a fixed seat; 11. a rocker; 12. a push rod; 13. a spring; 14. a fan; 15. a material receiving groove; 16. and (4) a waste material winnowing tank.

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.

As shown in figure 1, a pre-treatment crushing device for waste cast iron parts comprises a device main body 1 and a large rotating wheel 9, wherein the upper end surface of the device main body 1 is riveted with a feed hopper 2, the inside of the feed hopper 2 is rotatably provided with a rotating shaft 3, the rotating shaft 3 is sleeved with an agitator 4, one side of the inner wall of the device main body 1 is riveted with a fixed jaw plate 5, the other side of the inner wall of the device main body 1 is movably provided with a movable jaw plate 6, a crushing cavity 7 is reserved between the fixed jaw plate 5 and the movable jaw plate 6, the large rotating wheel 9 is fixed with the device main body 1 by using a fixed seat 10, an eccentric block 8 is welded on the large rotating wheel 9, the eccentric block 8 is hinged with the side of the movable jaw plate 6, one side of the movable jaw plate 6 is welded with a push rod 12, a spring 13 is arranged between the push rod 12 and the outer side of the device main body 1, a rocker 11, a fan 14 is arranged on one side of the material receiving groove 15, and a winnowing waste material groove 16 is arranged on the other side of the material receiving groove 15.

The stirring blades are symmetrically arranged on the stirrer 4 and are made of manganese steel alloy; the motor is arranged on the outer side of the large rotating wheel 9, and the large rotating wheel 9 is driven by the motor to do uniform circular motion; a plurality of groups of crushing teeth are uniformly distributed on the static jaw plate 5 and the movable jaw plate 6; the material receiving groove 15 is positioned right below the crushing cavity 7, and the fan 14 is fixedly arranged obliquely above the winnowing waste material groove 16.

The invention is to be noted, the invention is a kind of cast iron scrap pretreatment breaker, put several massive scraps into the feeder hopper 2 first, drive the agitator 4 to do the circular motion through the rotation of the spindle 3, let these scraps rock, thus find the space to enter in breaking the cavity 7, at this moment start the servomotor, make the bull wheel 9 do the uniform circular motion through the coupling joint, the eccentric block 8 is in the side of the bull wheel 9, do the eccentric motion, and through the function of the push rod 12, make the jaw plate 6 reciprocate from side to side, impact and break the scraps in the breaking cavity 7 continuously, cooperate with the static jaw plate 5 to finish the breaking operation, reduce its volume, then fall in the straight line, at this moment start the blower 14, produce very high wind power to winnowing the falling supplies, the tiny matters such as residue, inclusion are entered in the scrap trough 16 of winnowing, the remaining iron block that accords with the specification enters the receiving trough 15, the separate task is completed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a preliminary treatment breaker of useless piece of cast iron, includes device main part (1) and bull wheel (9), its characterized in that: the device is characterized in that the upper end face of the device main body (1) is riveted with a feed hopper (2), the inside of the feed hopper (2) is rotated to be provided with a rotating shaft (3), an agitator (4) is sleeved on the rotating shaft (3), one side of the inner wall of the device main body (1) is riveted with a static jaw plate (5), the other side of the inner wall of the device main body (1) is movably provided with a movable jaw plate (6), a crushing cavity (7) is reserved between the static jaw plate (5) and the movable jaw plate (6), a large rotating wheel (9) is fixed by a fixing seat (10) and the device main body (1), an eccentric block (8) is welded on the large rotating wheel (9), the eccentric block (8) is hinged with the side of the movable jaw plate (6), a push rod (12) is welded on one side of the movable jaw plate (6), a spring (13) is arranged between the push rod (12) and the device main body (1), and a rocker (11) is movably arranged below the push rod (12), the device is characterized in that a material receiving groove (15) is formed in the bottom of the device main body (1), a fan (14) is installed on one side of the material receiving groove (15), and a winnowing waste material groove (16) is formed in the other side of the material receiving groove (15).

2. The cast iron scrap pretreatment breaking device according to claim 1, wherein: the agitator (4) is symmetrically provided with agitating blades which are made of manganese steel alloy.

3. The cast iron scrap pretreatment breaking device according to claim 1, wherein: the motor is installed in the bull wheel (9) outside, drives bull wheel (9) through the motor and does at the uniform velocity circular motion.

4. The cast iron scrap pretreatment breaking device according to claim 3, wherein: a plurality of groups of crushing teeth are uniformly distributed on the static jaw plate (5) and the movable jaw plate (6).

5. The cast iron scrap pretreatment breaking device according to claim 1, wherein: the material receiving groove (15) is positioned under the crushing cavity (7), and the fan (14) is fixedly arranged above the winnowing waste material groove (16) in an inclined mode.

6. The cast iron scrap pretreatment breaking device according to claim 1, wherein: the pretreatment method comprises the following steps;

s1, putting a plurality of large waste materials into the feed hopper (2), driving the stirrer (4) to do circular motion by the rotation of the rotating shaft (3), and shaking the waste materials so as to find a gap to enter the crushing cavity (7);

s2, starting a servo motor, enabling a large rotating wheel (9) to do uniform circular motion through coupling connection, enabling an eccentric block (8) to be located on the side of the large rotating wheel (9) to do eccentric motion, enabling a movable jaw plate (6) to do reciprocating motion left and right under the action of a push rod (12), continuously impacting and crushing waste materials in a crushing cavity (7), completing crushing operation by matching with a static jaw plate (5), reducing the volume of the crushing cavity, and then enabling the crushing cavity to fall down linearly;

s3, starting the fan (14), generating strong wind power to winnow the falling materials, winnowing the fine substances such as residues, slag inclusion and the like into a winnowing waste material groove (16), and enabling the residual iron blocks meeting the specification to enter a material receiving groove (15) to complete the separation task.