CN115888890A - Crushing device and crushing method for ore raw material - Google Patents

Abstract

The invention discloses a crushing device for ore raw materials, which comprises an ore raw material crushing box body, wherein a feeding hopper is arranged at the top of the ore raw material crushing box body, a first transmission shaft is arranged on the ore raw material crushing box body, crushing rollers are arranged on the first transmission shaft, gear teeth of the two crushing rollers are mutually embedded and have opposite rotation directions, a supporting component convenient for automatic adjustment is arranged on the feeding hopper, and a screening component capable of repeatedly moving up and down is arranged on the ore raw material crushing box body; according to the ore material feeding device, the reset extrusion structure is formed between the reset spring and the traction sleeve through rotation of the cam, so that the screening screen plate is driven to move up and down, the ore material is close to the crushing roller to be repeatedly crushed, and meanwhile, the up-and-down movement of the jacking block triggers the movement of the adjusting assembly, so that the guide plate swings up and down to rotate, the gap feeding of the ore material is realized, the thoroughness of crushing and processing of the ore material is facilitated, the crushing and processing efficiency of the ore material crushing device is further improved, and the use of the ore material crushing device is facilitated.

Description

A crushing device and crushing method for ore raw materials

technical field

The invention relates to the technical field of ore raw material processing, in particular to an ore raw material crushing device and a crushing method thereof.

Background technique

Ore refers to a mineral aggregate from which useful components can be extracted or has certain properties that can be used. It can be divided into metallic minerals and non-metallic minerals. The unit content of useful components (elements or minerals) in ores is called ore Grade, gold, platinum and other precious metal ores are expressed in grams per ton, and other ores are often expressed in percentages. The ore grade is often used to measure the value of ores, but the gangue in the same effective component ore (useless minerals or useful components in the ore are too small to The composition of the minerals used) and the amount of harmful impurities also affect the value of the ore. In the ore metallurgy process, there is a procedure for crushing the ore, so a crushing device for ore raw materials is required.

Existing crushing devices for ore raw materials generally pile up a large amount of ore for crushing and processing. Due to the large amount of ore that needs to be crushed and processed at one time, it is not possible to completely crush all the ore and there are still substandard ores. Thorough and substandard ores need to be reworked, resulting in a large amount of time for ore crushing and processing, which further leads to a reduction in the crushing efficiency of the crushing device for ore raw materials, which is not conducive to the use of crushing devices for ore raw materials.

Contents of the invention

The purpose of the present invention is to provide a crushing device and crushing method for ore raw materials, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the present invention provides the following technical solutions: a crushing device for raw ore, including a crushing box for raw ore, a hopper is arranged on the top of the crushing box for raw ore, and a second A transmission shaft, the first transmission shaft is equipped with a crushing roller, the teeth of the two crushing rollers are fitted with each other and turn in the opposite direction, the feeding hopper is provided with a support assembly for automatic adjustment, and the ore raw material crushing box is provided with a The screening assembly moves up and down repeatedly, and the ore raw material crushing box is provided with an adjustment assembly.

Preferably, the support assembly includes a guide plate, the hopper is rotatably connected to a rotating shaft through a bearing, the side of the hopper is provided with an arc fixing seat, the guide plate is fixedly sleeved on the rotating shaft, and the bottom of the guide plate is provided with a support arc block.

Preferably, the end of the arc fixing seat is provided with a chute, the top of the chute is provided with a mounting block, the supporting arc block has a "T" shape structure, and is slidably inserted on the mounting block, supporting the arc block A supporting spring is arranged between the chute and the end of the rotating shaft protrudes from the feeding hopper to be provided with a gear.

Preferably, the screening assembly includes a screening screen, a second transmission shaft is provided on the ore raw material crushing box, a cam is provided on the second transmission shaft, and there are multiple cams, and the multiple cams are arranged along the second transmission shaft. axis distribution.

Preferably, the cam is attached to the screening screen, guide rods are slidably inserted into the four corners of the screening screen, and the bottom of the guide rods is fixed on the inner side of the ore raw material crushing box.

Preferably, the top of the guide rod is provided with a fixed cylinder, the guide rod is located in the fixed cylinder and is slidably sleeved with a pulling sleeve, the bottom of the pulling sleeve is fixed on the screen plate, and the guide rod is located on the pulling sleeve. A return spring is arranged between the sleeve and the fixed cylinder.

Preferably, a pulling rod is arranged on the screen mesh plate, and the top of the pulling rod penetrates through the ore raw material crushing box and is provided with a top block.

Preferably, the adjustment assembly includes a fixed sliding seat, which is fixed on the side of the ore raw material crushing box, and a guide groove is opened on the top of the fixed sliding seat, and a limit slider is slidably inserted into the guide groove, and the limit slide An abutment spring is arranged between the block and the guide groove.

Preferably, the top of the limit slider is provided with a moving block, one end of the moving block has an inclined surface structure, the top of the moving block is provided with a rack, the end of the moving block is correspondingly arranged between the top block, and the rack and The gears mesh with each other.

A crushing method of a crushing device for ore raw materials, the crushing method comprising the following steps:

S1: Turn on the first motor, so that the first transmission shaft and the crushing roller rotate, the teeth of the two crushing rollers rotate together, and the ore raw material is poured into the ore raw material crushing box through the hopper;

S2: The guide plate is inclined to feed the ore raw material into the ore raw material crushing box due to the gravity of the ore raw material, and the two rotating crushing rollers crush the ore raw material, and the ore raw material falls on the screening screen after being crushed;

S3: Turn on the second motor at the same time, so that the second transmission shaft and the cam rotate, and a reset extrusion structure is formed between the return spring and the pulling sleeve, and then drives the screen plate to move up and down, and the ore raw material is close to the crushing roller to repeat broken;

S4: At the same time, both the pull rod and the top block move up and down, and the top block squeezes the inclined surface of the moving block, so that the rack on the moving block drives the gear to rotate, and then the guide plate rotates. An elastic support structure is formed between the blocks to realize gap feeding of ore raw materials.

S5: The up-and-down movement of the screen plate will drop the crushed ore raw materials through the bottom of the ore raw material crushing box.

Compared with prior art, the beneficial effect of the present invention is:

1. Through the rotation of the cam, the present invention forms a reset extrusion structure between the return spring and the pulling sleeve, and then drives the screen plate to move up and down, and repeatedly crushes the ore raw material close to the crushing roller, and at the same time, the top block moves up and down to trigger the adjustment The movement of the components makes the guide plate swing and rotate up and down to realize the gap feeding of ore raw materials, which is beneficial to the thoroughness of ore raw material crushing processing, further improves the crushing processing efficiency of the ore raw material crushing device, and is beneficial to the use of the ore raw material crushing device.

2. The invention discloses a crushing method of a crushing device for ore raw materials, which realizes repeated crushing and screening of ore raw materials, which is conducive to crushing ore raw materials into standard ores, and at the same time realizes the gap feeding of ore raw materials and reduces the number of crushing devices. Handling the pressure of ore raw materials is conducive to improving the service life of the crushing device for ore raw materials.

Description of drawings

Fig. 1 is a schematic structural view of the outside of the ore raw material crushing box of the present invention.

Fig. 2 is a cross-sectional view of the ore raw material crushing box of the present invention.

Fig. 3 is a cross-sectional view of the fixing cylinder of the present invention.

FIG. 4 is an enlarged structural schematic diagram of A in FIG. 3 of the present invention.

Fig. 5 is a sectional view of the feeding hopper and the arc fixing seat of the present invention.

FIG. 6 is an enlarged structural schematic diagram at B in FIG. 5 of the present invention.

FIG. 7 is an enlarged structural schematic diagram at point C in FIG. 5 of the present invention.

In the figure: 1. Ore raw material crushing box; 2. Hopper; 21. Guide plate; 22. Rotating shaft; 23. Supporting arc block; 24. Arc fixing seat; 25. Installation block; 26. Supporting spring; 27 , gear; 3, first transmission shaft; 4, crushing roller; 5, screening screen; 51, second transmission shaft; 52, cam; 53, guide rod; 54, fixed cylinder; 55, pulling sleeve; 56, return spring; 57, pull rod; 58, top block; 6, fixed sliding seat; 61, limit slide block; 62, abutment spring; 63, moving block; 64, rack.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Fig. 1 to Fig. 7, the present invention provides a kind of technical solution: a kind of ore raw material crushing device, comprises ore raw material crushing box body 1, and the top of ore raw material crushing box body 1 is fixed with feeding hopper 2, ore raw material crushing box The body 1 is rotatably connected with the first transmission shaft 3 through the bearing, the first transmission shaft 3 is driven by the first motor, the crushing roller 4 is fixedly sleeved on the first transmission shaft 3, and the teeth of the two crushing rollers 4 are connected to each other. Fitting and turning in the opposite direction, the hopper 2 is provided with a support assembly for automatic adjustment, and the teeth of the two crushing rollers 4 are fitted and rotated to crush the ore raw materials.

The support assembly includes a guide plate 21, the feed hopper 2 is connected with a rotating shaft 22 through bearing rotation, the guide plate 21 is fixedly sleeved on the rotating shaft 22, the bottom of the guide plate 21 is welded with a supporting arc block 23, and the side of the feed hopper 2 is fixed with Arc fixed seat 24, the end of arc fixed seat 24 offers chute, the top of chute is fixed with mounting block 25, and mounting block 25 is fixed on the arc fixed seat 24 by bolt.

The support arc block 23 is a "T" type structure, and is slidably inserted on the mounting block 25. A support spring 26 is fixedly connected between the support arc block 23 and the chute, and between the support spring 26 and the support arc block 23 An elastic support structure is formed to support the guide plate 21. During the crushing process, the guide plate 21 blocks the opening of the hopper 2 to prevent gravel from splashing out of the device, which is conducive to the safety of the staff.

The end of the rotating shaft 22 protrudes from the hopper 2 and is fixedly sleeved with a gear 27. The ore raw material crushing box body 1 is provided with a screening assembly that moves up and down repeatedly. 1 is rotatably connected with a second transmission shaft 51 through a bearing, and a cam 52 is fixedly sleeved on the second transmission shaft 51. There are multiple cams 52 arranged and distributed along the second transmission shaft 51. The cams 52 and The screen mesh plates 5 are fitted together, and the rotation of the cam 52 drives the screen mesh plates 5 to move upward.

The four corners of the screen plate 5 are slidingly inserted with guide rods 53, the bottom of the guide rods 53 is fixed on the inner side of the ore raw material crushing box 1, the top of the guide rods 53 is welded with a fixed cylinder 54, and the guide rods 53 are located A pulling sleeve 55 is slidably sleeved inside the fixed cylinder 54, and the bottom of the pulling sleeve 55 is fixed on the screen plate 5, and a reset sleeve is sleeved on the guide rod 53 between the pulling sleeve 55 and the fixed cylinder 54. The spring 56, the return spring 56 and the pulling sleeve 55 form a return extrusion structure, and then drive the screen plate 5 to move downward, and the setting of the fixed cylinder 54 protects the return spring 56 to protect the ore.

A pulling rod 57 is welded on the screen plate 5, and the top of the pulling rod 57 runs through the ore raw material crushing box 1 and is welded with a top block 58. The ore raw material crushing box 1 is provided with an adjustment assembly, and the adjustment assembly includes a fixed slide seat 6. The fixed sliding seat 6 is fixed on the side of the ore raw material crushing box 1. The top of the fixed sliding seat 6 is provided with a guide groove, and the limit slider 61 is slidably inserted into the guide groove. The distance between the limit slider 61 and the guide groove An abutment spring 62 is fixedly connected between them.

The top of the limit slide block 61 is welded with a moving block 63, and one end of the moving block 63 is an inclined surface structure. The bar 64 and the gear 27 are engaged with each other. When the top block 58 moves upwards, it squeezes the inclined surface of the moving block 63 so that the limit slider 61 moves to the side away from the moving block 63, and then the rack 64 drives the gear 27. Rotate, make rotating shaft 22 and guide plate 21 rotate downwards and incline, convenient feeding.

A crushing method of a crushing device for ore raw materials, the crushing method comprising the following steps:

S1: Turn on the first motor, so that the first transmission shaft 3 and the crushing roller 4 rotate, the gear teeth of the two crushing rollers 4 rotate, and the ore raw material is poured into the ore raw material crushing box 1 through the hopper 2;

S2: The guide plate 21 is obliquely fed into the ore crushing box 1 by the gravity of the ore raw material, and the two rotating crushing rollers 4 crush the ore raw material, and the ore raw material falls on the screen plate 5 after crushing;

S3: Turn on the second motor at the same time, so that the second transmission shaft 51 and the cam 52 rotate, and a reset extrusion structure is formed between the return spring 56 and the pulling sleeve 55, and then drives the screen plate 5 to move up and down, and the ore raw material Close to the crushing roller 4 for repeated crushing;

S4: At the same time, the pull rod 57 and the top block 58 all move up and down, and the top block 58 squeezes the inclined surface of the moving block 63, so that the rack 64 on the moving block 63 drives the gear 27 to rotate, and then the guide plate 21 rotates , an elastic support structure is formed between the support spring 26 and the support arc block 23 to realize gap feeding of ore raw materials;

S5: The up and down movement of the screening screen plate 5 will cause the crushed ore raw materials to fall through the bottom of the ore raw material crushing box 1.

The invention discloses a crushing method of a crushing device for ore raw materials. Through the rotation of the cam 52, a reset extrusion structure is formed between the return spring 56 and the pulling sleeve 55, and then drives the screen plate 5 to move up and down, and the ore The raw material is repeatedly crushed close to the crushing roller 4, which is conducive to crushing the ore raw material into standard ore. At the same time, the top block moves up and down to trigger the movement of the adjustment component, so that the guide plate 21 swings and rotates up and down, so as to realize the gap feeding of ore raw materials and reduce the processing of the crushing device. The pressure of the ore raw material is beneficial to improve the service life of the crushing device of the ore raw material.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (10)

1. A crushing device for raw ore, comprising a crushing casing (1) for raw ore, characterized in that: the top of the crushing casing for raw ore (1) is provided with a hopper (2), and the crushing casing for raw ore ( 1) is provided with a first transmission shaft (3), and a crushing roller (4) is provided on the first transmission shaft (3). (2) is provided with a supporting assembly for automatic adjustment, and the ore raw material crushing box body (1) is provided with a screening assembly that moves up and down repeatedly, and the ore raw material crushing box body (1) is provided with an adjustment assembly. 2. A crushing device for ore raw materials according to claim 1, characterized in that: the support assembly includes a guide plate (21), and the feed hopper (2) is connected with a rotating shaft (22) through bearing rotation, and the feed hopper The side of (2) is provided with circular arc fixed seat (24), and described guide plate (21) is fixedly sleeved on the rotating shaft (22), and the bottom of guide plate (21) is provided with supporting arc block (23). 3. A crushing device for ore raw materials according to claim 2, characterized in that: the end of the circular arc fixing seat (24) is provided with a chute, and the top of the chute is provided with a mounting block (25), The support arc block (23) is a "T" type structure, and is slidably inserted on the mounting block (25), and a support spring (26) is arranged between the support arc block (23) and the chute, and the rotating shaft (22) The end protruding from the feed hopper (2) is provided with a gear (27). 4. A crushing device for ore raw materials according to claim 1, characterized in that: the screening assembly includes a screening screen (5), and the ore raw material crushing box (1) is provided with a second transmission shaft (51), the second transmission shaft (51) is provided with a cam (52), a plurality of cams (52) are provided, and the plurality of cams (52) are arranged and distributed along the second transmission shaft (51). 5. A crushing device for ore raw materials according to claim 4, characterized in that: the cam (52) is attached to the screening screen (5), and the four corners of the screening screen (5) All sliding inserts have guide bar (53), and the bottom of guide bar (53) is fixed on the inboard of ore raw material broken casing (1). 6. A crushing device for ore raw materials according to claim 5, characterized in that: the top of the guide rod (53) is provided with a fixed cylinder (54), and the guide rod (53) is located on the fixed cylinder (54) The inner sliding sleeve is connected with a pulling sleeve (55), the bottom of the pulling sleeve (55) is fixed on the screen plate (5), and the guide rod (53) is located between the pulling sleeve (55) and the fixed cylinder. A return spring (56) is arranged between (54). 7. A crushing device for ore raw materials according to claim 4, characterized in that: a pulling rod (57) is arranged on the screen plate (5), and the top of the pulling rod (57) runs through the ore The raw material crushing box (1) is provided with a top block (58). 8. A crushing device for ore raw materials according to claim 1, characterized in that: the adjustment assembly includes a fixed sliding seat (6), and the fixed sliding seat (6) is fixed on the bottom of the ore raw material crushing box (1). On the side, a guide groove is provided on the top of the fixed slide seat (6), and a limit slider (61) is slidably inserted into the guide groove, and an abutment spring (62) is arranged between the limit slider (61) and the guide groove. . 9. A crushing device for ore raw materials according to claim 8, characterized in that: a moving block (63) is arranged on the top of the limit slider (61), and one end of the moving block (63) is an inclined surface structure, the top of the moving block (63) is provided with a rack (64), the end of the moving block (63) and the top block (58) are arranged correspondingly, and the rack (64) and the gear (27) are meshed with each other . 10. A crushing method of the crushing device of ore raw material as claimed in claim 1-9, characterized in that, the crushing method comprises the following steps: S1: Turn on the first motor, so that the first transmission shaft (3) and the crushing roller (4) rotate, the gear teeth of the two crushing rollers (4) rotate together, and the ore raw materials are poured into the ore raw materials through the hopper (2) Inside the crushing box (1); S2: The guide plate (21) is obliquely fed into the ore crushing box (1) by the gravity of the ore raw material, and the two rotating crushing rollers (4) crush the ore raw material, and the ore raw material falls on the screen after crushing on the net plate (5); S3: Turn on the second motor at the same time, so that the second transmission shaft (51) and the cam (52) rotate, and a reset extrusion structure is formed between the return spring (56) and the pulling sleeve (55), thereby driving the screen The plate (5) moves up and down to bring the ore material close to the crushing roller (4) for repeated crushing; S4: At the same time, both the pull rod (57) and the top block (58) move up and down, and the top block (58) squeezes the inclined surface of the moving block (63), so that the rack (64) on the moving block (63) ) drives the gear (27) to rotate, and then the guide plate (21) is rotated to form an elastic support structure between the support spring (26) and the support arc block (23), so as to realize the gap feeding of ore raw materials; S5: The up and down movement of the screen plate (5) will drop the crushed ore raw material through the bottom of the ore raw material crushing box (1).

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