CN211436459U - Raw materials ore crushing device for steel production - Google Patents

Abstract

The utility model discloses a raw material ore crushing device for steel production, which comprises a crushing box body, a feed hopper, a lower box body, a discharge port, a frame, a main shaft, a blade and a motor, wherein the feed hopper is arranged at one side of the upper part of the crushing box body; broken box is separated by the baffle with lower box, the baffle passes the box from being close to feeder hopper one side, through control the opening between broken box of baffle length regulation inside and outside the box and the lower box, the baffle has the bracing piece, and the bracing piece is fixed through the screw rod that sets up in the frame, still be equipped with two swash plates in the lower box, respectively in the both sides of bracing piece. The utility model discloses simple structure, operation safety, convenience, production efficiency is high, can select the product specification according to the demand, and perfect solution production has dust, rubble to splash, product singleness and technical problem such as discharging efficiency hangs down.

Description

Raw materials ore crushing device for steel production

Technical Field

The utility model relates to a steel production technical field especially relates to a raw materials ore crushing device for steel production.

Background

Ore refers to a collection of minerals from which useful components can be extracted or which have some property of being exploited themselves. Generally, the ore is huge, and the useful product can be effectively and quickly extracted by crushing. And the ordinary moisture content of ore is low, runs out a large amount of dusts from the feed inlet easily among the crushing process, and the people is hindered easily to the little ore of splash, brings huge potential safety hazard for the operation workman like this. Meanwhile, the particle sizes of ores to be crushed are different according to different purposes, and most of crushers can only control one particle size, so that when multiple particle sizes are needed, multiple crushers are needed to complete the crushing.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of raw materials ore crushing device for steel production has solved the big, the little rubble of dust is hindered the people easily and need many crushers could not break out equidimension ore scheduling problem among the above-mentioned ore crushing.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a raw material ore crushing device for steel production comprises a crushing box body, a feed hopper, a lower box body, a discharge port and a rack, wherein a main shaft is arranged in the crushing box body, blades which are arranged alternately are arranged on the main shaft, and a motor for driving the main shaft to rotate is arranged at one end of the main shaft outside the crushing box body; the feeding hopper is arranged on one side of the upper part of the crushing box body, the connecting part of the feeding hopper and the crushing box body is provided with two safety plates, the two safety plates are hinged to the connecting part of the crushing box body and the feeding hopper through rotating shafts, and a plurality of spring pieces are arranged between each safety plate and the corresponding rotating shaft; broken box is separated by the baffle with lower box, the baffle passes the box that is close to feeder hopper one side, and one end is in the box at the outer other end of box, through control the opening between broken box and the lower box is adjusted to the length of baffle inside and outside the box, the baffle has the bracing piece, the bracing piece is fixed through the screw rod that sets up in the frame.

Preferably, the lower surface of the baffle is provided with a convex groove, the top of the support rod is provided with a groove, the baffle is connected with the support rod through the convex groove, and the baffle slides left and right along the support rod through the convex groove.

Preferably, the lower box body is internally provided with two inclined plates which are respectively arranged at two sides of the supporting rod, and the inclined plates and steel plates at two sides of the lower box body form two discharge holes respectively.

Preferably, the baffle is a metal screen or a steel plate.

Preferably, the spring plate is a flat steel strip.

The utility model has the advantages that:

the utility model has reasonable structure and safe and convenient operation, the safety plate is arranged between the feeding hopper and the crushing box body, the safety plate is pressed down under the action of ore gravity to open the feeding port, and simultaneously after the ore enters the crushing box body, the safety plate is restored through the spring piece to separate the crushing chamber from the outside, thereby effectively preventing dust and crushed stone from flying out and having safe operation; the opening between the crushing box body and the lower box body is adjusted by controlling the baffle plate, or the baffle plate with the screen is replaced, so that ores with different particle sizes can be produced according to requirements, and the production cost is reduced; through set up the swash plate in the lower box, can accelerate the ore ejection of compact of broken completion, efficiency is higher.

Drawings

Fig. 1 is a schematic structural diagram of an ore crushing device of the present invention;

fig. 2 is a top view of the safety plate of the ore crushing device of the present invention;

FIG. 3 is a side view of FIG. 2;

fig. 4 is a schematic structural diagram of the baffle and the support rod of the ore crushing device of the present invention.

Reference numbers in the figures: 1 crushing box body, 2 feed hoppers, 3 lower box bodies, 4 frames, 5 safety plates, 6 rotating shafts, 7 spring pieces, 8 main shafts, 9 blades, 10 motors, 11 baffles, 12 support rods, 13 screw rods, 14 inclined plates and 15 discharge ports.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

As shown in fig. 1-4, a raw material ore crushing device for steel production comprises a crushing box body 1, a feed hopper 2, a lower box body 3, a discharge port 15 and a frame 4, wherein a main shaft 8 is arranged in the crushing box body 1, blades 9 arranged at intervals are arranged on the main shaft 8, and a motor 10 for driving the main shaft to rotate is arranged at one side of the main shaft 8 outside the crushing box body 1; the feeding hopper 2 is arranged at one end of the upper part of the crushing box body 1, the connecting part of the feeding hopper 2 and the crushing box body 1 is provided with two safety plates 5, the two safety plates 5 are hinged at the connecting part of the crushing box body 1 and the feeding hopper 2 through rotating shafts 6, and a plurality of spring pieces 7 are arranged between the safety plates 5 and the corresponding rotating shafts 6; broken box 1 is separated by baffle 11 with lower box 3, and baffle 11 passes the box that is close to feeder hopper 2 one side, and one end other end outside the box in the box, through the opening between broken box 1 and lower box 3 of control baffle 11 length regulation inside and outside the box, baffle 11 has bracing piece 12, and bracing piece 12 is fixed through the screw rod 13 that sets up on frame 4.

Further, baffle 11 lower surface is equipped with tongue 111, and bracing piece 12 top is equipped with recess 121, and baffle 11 passes through the tongue with bracing piece 12 and links to each other, and baffle 11 accessible tongue slides along bracing piece 12 side to side, adjusts the opening between broken box 1 and the lower box 3, the particle size of the control crushed ore.

Further, be equipped with the swash plate 14 in the lower box 3, the swash plate 14 is equipped with two, respectively in the both sides of bracing piece 12, and two discharge gates 15 are constituteed with the steel sheet of lower box 3 both sides respectively to swash plate 14, are favorable to the ore ejection of compact, raise the efficiency.

Further, the baffle 11 is a metal screen or a steel plate, when the baffle is a metal screen, the size of the screen can be selected according to the particle size of the required ore, and at the moment, one ore or two ores with different particle sizes can be simultaneously selected by controlling the position of the baffle 11; in the case of a steel plate, the size of the ore particle diameter can be adjusted by controlling the position of the baffle plate 11.

Furthermore, the spring piece is a flat steel strip, so that the spring piece is quick to recover and is safer.

The working principle of the embodiment is as follows: ore is put into the crushing box body 1 from the feeding hopper 2, the safety plate 5 is pressed to rotate downwards under the action of the gravity of the ore, and the ore enters the crushing box body 1, at the moment, because the feeding hopper 2 is empty, the safety plate 5 returns to the initial position under the action of the restoring force of the spring piece 7, and a crushing chamber is separated from the outside, so that dust and crushed stone can be effectively prevented from flying out, and the operation and the environment are safer; the ore is crushed by the high-speed rotating blade 9 in the crushing box body 1, the opening between the crushing box body 1 and the lower box body 3 is adjusted through the sliding baffle plate 11, the crushing time is adjusted, the size of the ore particle size is controlled, or the baffle plate 11 with the screen is replaced, small ore falls into the lower box body 3 through the screen, and large-particle-size ore is still continuously crushed in the crushing box body 1, so that one ore or two ores with different particle sizes can be simultaneously produced according to the requirement, the production is flexible, and the equipment investment is less; the inclined plate 14 is arranged in the lower box body 3, and the crushed ore quickly slides out, so that the discharging of the ore is accelerated, and the production efficiency is higher.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. The utility model provides a raw materials ore crushing device for steel production, includes broken box (1), feeder hopper (2), lower box (3), discharge gate (15) and frame (4), its characterized in that: a main shaft (8) is arranged in the crushing box body (1), blades (9) which are arranged at intervals are arranged on the main shaft (8), and a motor (10) for driving the main shaft to rotate is arranged at one end of the main shaft (8) outside the crushing box body (1);

the feeding hopper (2) is arranged on one side of the upper part of the crushing box body (1), the connecting part of the feeding hopper (2) and the crushing box body (1) is provided with two safety plates (5), the two safety plates (5) are hinged to the connecting part of the crushing box body (1) and the feeding hopper (2) through rotating shafts (6), and a plurality of spring pieces (7) are arranged between each safety plate (5) and the corresponding rotating shaft (6);

broken box (1) is separated by through baffle (11) with lower box (3), baffle (11) pass the box that is close to feeder hopper (2) one side, and one end other end outside the box in the box, through control baffle (11) length regulation broken box (1) and the opening between lower box (3) outside the box, baffle (11) have bracing piece (12), bracing piece (12) are fixed through screw rod (13) that set up on frame (4).

2. The raw material ore crushing apparatus for steel production according to claim 1, wherein: the lower surface of the baffle (11) is provided with a convex groove (111), the top of the support rod (12) is provided with a groove (121), the baffle (11) is connected with the support rod (12) through the convex groove, and the baffle (11) slides left and right along the support rod (12) through the convex groove.

3. The raw material ore crushing apparatus for steel production according to claim 1, wherein: be equipped with swash plate (14) in lower box (3), the swash plate is two, respectively in the both sides of bracing piece (12), two discharge gates (15) are constituteed with lower box (3) both sides steel sheet respectively in swash plate (14).

4. The raw material ore crushing apparatus for steel production according to claim 1, wherein: the baffle (11) is a metal screen or a steel plate.

5. The raw material ore crushing apparatus for steel production according to claim 1, wherein: the spring piece (7) is a flat steel strip.

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