Sample preparation crusher for testing iron separation raw materials

Abstract

The utility model discloses a sample preparation crusher for testing iron separation raw materials, which comprises a case, a case cover which is hermetically assembled with the case and can be opened is arranged at the top of the case, and a feeding hopper is arranged on the case cover; a storage box is arranged on the right side of the machine box, and a spray gun externally connected with a water source is contained in the storage box. An upper discharging hopper and a lower discharging hopper located below the upper discharging hopper are arranged in the machine box, and the interior of the machine box is divided into a smashing cavity, a screening cavity and a sample collecting cavity which are sequentially arranged from top to bottom and communicate with one another through the upper discharging hopper and the lower discharging hopper. A crushing mechanism is arranged in the crushing cavity; the top and the bottom of the drawer box are both of an open structure, and the drawer box is assembled with the screening cavity in a sealed mode and can be pulled out of a front box plate of the machine box. A screening mechanism is horizontally arranged in the drawer box. A sample cup is arranged in the collecting cavity, and a transparent box door which is assembled with the case in a sealing manner and can be opened is arranged at the position, opposite to the collecting cavity, on the front box plate of the case. The utility model not only is convenient to use in a laboratory, but also is convenient to clean.

Description

Technical Field

[0001] The utility model relates to the technical field of crushers, and particularly relates to a sample preparation crusher for iron raw material testing. Background Art

[0002] When selecting iron raw materials, it is necessary to test and analyze the components of the iron raw materials, and the components of the iron raw materials will directly affect the performance of the iron products made from them.

[0003] Before testing and analyzing the components of iron raw materials, the iron raw materials need to be crushed first. However, most of the existing crushers have complex structures and large volumes, which are not suitable for use in laboratories, and are not convenient to clean. The raw materials remaining inside will be mixed into the next batch of iron raw materials, affecting the test results of the next batch of iron raw materials. Content of the Utility Model

[0004] The technical problem to be solved by the utility model is to provide a sample preparation crusher for iron raw material testing to solve the problems raised in the background art.

[0005] To solve the above technical problems, the technical solutions adopted by the utility model are as follows.

[0006] A sample preparation crusher for iron raw material testing includes a chassis and a PLC controller arranged on the upper part of the front chassis panel. Among them, a box cover that is hermetically assembled with the chassis and can be opened is arranged on the top of the chassis, and a feeding hopper that is communicated with the chassis and used for feeding iron raw materials is arranged on the box cover; a storage box is arranged on the right side of the chassis, and a spray gun for flushing the inside of the chassis after the box cover is opened is placed in the storage box; an upper discharge hopper and a lower discharge hopper located below the upper discharge hopper are arranged inside the chassis, and the inside of the chassis is divided into a crushing chamber, a screening chamber, and a sample collection chamber that are arranged and communicated in sequence from top to bottom through the upper discharge hopper and the lower discharge hopper; a crushing mechanism for crushing iron raw materials is arranged in the crushing chamber; a drawer box with open top and bottom structures and hermetically assembled with the screening chamber and can be pulled out from the front chassis panel is slidably arranged in the screening chamber, and a screening mechanism for screening the crushed iron raw materials is horizontally arranged in the drawer box; a sample cup for collecting iron raw material powder with a particle size meeting the requirements falling from the screening mechanism is arranged in the collection chamber, and a transparent box door that is hermetically assembled with the chassis and can be opened for taking and placing the sample cup is arranged at a position on the front chassis panel of the chassis opposite to the collection chamber; the output end of the PLC controller is respectively connected to the controlled ends of the crushing mechanism and the screening mechanism.

[0007] Preferably, the rear end of the box cover is pivotally connected to the chassis, the left end of the box door is pivotally connected to the chassis, and the front end of the box cover, the front drawer panel of the drawer box, and the right end of the box door are respectively connected to the front chassis panel of the chassis through locking components; handles are respectively arranged on the front drawer panel of the drawer box and the box door.

[0008] Preferably, the crushing mechanism includes two crushing rollers arranged side by side in the horizontal direction and rotatably connected to the front and rear box plates of the chassis respectively. The rear ends of the two crushing rollers both pass through the rear box plate of the chassis and are connected by a transmission component. The rear end of one crushing roller is connected to a motor arranged on the rear box plate of the chassis and used to drive the two crushing rollers to rotate synchronously through the transmission component. The controlled end of the motor is connected to the output end of the PLC controller; the crushing mechanism further includes tooth blocks arranged on the inner walls of the crushing cavities on the left and right sides of the two crushing rollers and used to cooperate with the crushing rollers.

[0009] Preferably, the screening mechanism includes two horizontally arranged mounting plates with a hollow structure and arranged at an interval up and down in the drawer box. A screen plate is clamped between the two mounting plates by two groups of screening springs arranged up and down. A vibration motor is arranged on the screen plate, and the controlled end of the vibration motor is connected to the output end of the PLC controller; an accordion cover is further arranged between the two mounting plates and the screen plate to prevent the crushed iron raw materials from entering the edge of the screening mechanism.

[0010] Preferably, a cup mat for placing a sample cup and vertical plates erected on the left and right sides of the cup mat are arranged at the bottom of the sample collection cavity. A plurality of horizontally arranged clamping springs are arranged from top to bottom on the side of the vertical plate close to the sample cup, and an arc-shaped clamping pad for clamping the sample cup under the drive of the clamping spring is arranged at one end of the clamping spring close to the sample cup.

[0011] Preferably, an air inlet is opened on the chassis, and a solenoid valve for opening and closing the air inlet is arranged on the air inlet; an air inlet fan is arranged on the left side of the chassis and communicated with the air inlet and used to draw air into the chassis to dry the inside of the chassis after the solenoid valve is opened; the controlled ends of the air inlet fan and the solenoid valve are respectively connected to the output end of the PLC controller.

[0012] Preferably, a water outlet communicated with the sample collection cavity is arranged at the bottom of the chassis and used to externally connect a drain pipe to discharge the flushing water.

[0013] Preferably, a sealing cover is detachably arranged on the feed hopper.

[0014] Due to the adoption of the above technical solutions, the technical progress achieved by the present utility model is as follows.

[0015] The utility model has a simple structure and a small volume, which is convenient for use in a laboratory; the crushing mechanism can be used to crush iron raw materials; the screening mechanism can be used to screen the crushed iron raw materials; the sample cup can be used to collect the powdered iron raw materials; by setting the box cover, spray gun and drawer box, not only can the flushing be realized, but also it is convenient to pull out the drawer box to pour out the powdered iron raw materials with particle sizes not meeting the requirements, and to flush the drawer box separately, so as to avoid the residual iron raw materials in the machine case from mixing into the next batch of iron raw materials and affecting the test results of the next batch of iron raw materials; by setting the induced draft fan, the rapid air drying inside the machine case can be realized. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural view of the utility model;

[0017] Figure 2 is a schematic view of the internal mechanism of the machine case of the utility model.

[0018] Wherein: 1. machine case, 2. box cover, 3. feed hopper, 4. sealing cover, 5. upper discharge hopper, 6. lower discharge hopper, 7. crushing mechanism, 71. crushing roller, 72. tooth block, 8. drawer box, 9. screening mechanism, 91. mounting plate, 92. screening spring, 93. screen plate, 94. vibration motor, 95. bellows cover, 10. cup mat, 11. vertical plate, 12. clamping spring, 13. arc-shaped clamping pad, 14. sample cup, 15. water outlet, 16. storage box, 17. induced draft fan, 18. air inlet, 19. box door, 20. lock assembly, 21. handle, 22. PLC controller. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The present utility model will be further described in detail below in conjunction with the drawings and specific embodiments.

[0020] A sample preparation crusher for testing iron raw materials, in combination with Figures 1 to 2 as shown, includes a machine case 1, and a box cover 2 is arranged on the top of the machine case 1. The box cover 2 is hermetically assembled with the machine case 1 and can be opened, and a feed hopper 3 is arranged on the box cover 2; the feed hopper 3 is communicated with the machine case 1, and the feed hopper 3 is used for feeding iron raw materials, and a sealing cover 4 is detachably arranged on the feed hopper 3, so as to facilitate opening and closing of the feed hopper 3. An upper discharge hopper 5 and a lower discharge hopper 6 are arranged inside the machine case 1, the lower discharge hopper 6 is located below the upper discharge hopper 5, and the upper discharge hopper 5 and the lower discharge hopper 6 divide the interior of the machine case 1 into a crushing chamber, a screening chamber and a sample collection chamber which are arranged in sequence from top to bottom and communicated with each other.

[0021] A crushing mechanism 7 is provided in the crushing chamber. The crushing mechanism 7 is used to crush iron raw materials. Specifically, the crushing mechanism 7 includes two crushing rollers 71. The two crushing rollers 71 are arranged side by side in the horizontal direction and are respectively rotatably connected to the front box plate and the rear box plate of the chassis 1. The rear ends of the two crushing rollers 71 both penetrate through the rear box plate of the chassis 1 and are connected by a transmission assembly. The transmission assembly is a prior art, and its specific structure will not be elaborated here. The rear end of one crushing roller 71 is connected to a motor. The motor is arranged on the rear box plate of the chassis 1. The motor is used to drive the two crushing rollers 71 to rotate synchronously through the transmission assembly, so as to drive the crushing rollers 71 to crush the iron raw materials. The crushing mechanism 7 further includes tooth blocks 72. The tooth blocks 72 are arranged on the inner walls of the crushing chambers on the left and right sides of the two crushing rollers 71. The tooth blocks 72 are used to cooperate with the crushing rollers 71 to realize the crushing of the iron raw materials.

[0022] A drawer box 8 is slidably arranged in the screening chamber. The top and bottom of the drawer box 8 are both open structures. The drawer box 8 is hermetically assembled with the screening chamber and can be pulled out from the front box plate of the chassis 1. A screening mechanism 9 is horizontally arranged in the drawer box 8. The screening mechanism 9 is used to screen the crushed iron raw materials. Specifically, the screening mechanism 9 includes two mounting plates 91 with a hollow structure. The two mounting plates 91 are horizontally arranged and are spaced up and down in the drawer box 8. A screen plate 93 is clamped between the two mounting plates 91 by two groups of screening springs 92 arranged up and down. A vibration motor 94 is arranged on the screen plate 93. When the crushed iron raw materials fall into the screening chamber, they will directly fall on the screen plate 93. The vibration motor 94 drives the screen plate 93 to vibrate, so that the iron raw material powder with a particle size meeting the requirements passes through the screen plate 93, and the iron raw material powder with a particle size not meeting the requirements remains on the screen plate 93, realizing the automatic screening of the iron raw material powder. At the same time, by pulling out the drawer box 8, the iron raw materials on the screen plate 93 can be conveniently poured out. An accordion cover 95 is also arranged between the two mounting plates 91 and the screen plate 93. The accordion cover 95 is used to prevent the crushed iron raw materials from entering the edge of the screening mechanism 9, so as to avoid affecting the operation of the screening mechanism 9 and avoid the falling of the iron raw material powder that does not meet the particle size.

[0023] At the bottom of the sample collection chamber, there are a cup mat 10 and a vertical plate 11. Among them, a sample cup 14 is placed on the cup mat 10. The sample cup 14 is used to collect the iron raw material powder with a particle size meeting the requirements that falls from the screening mechanism 9. There are two vertical plates 11, which are respectively erected on the left and right sides of the cup mat 10. On the side of the vertical plate 11 close to the sample cup 14, there are several horizontally arranged clamping springs 12 from top to bottom. One end of the clamping spring 12 close to the sample cup 14 is provided with an arc-shaped clamping pad 13. The arc-shaped clamping pad 13 is used to clamp the sample cup 14 under the drive of the clamping spring 12 and make the sample cup 14 located directly below the lower discharge hopper 6, which can not only ensure the collection of the iron raw material powder by the sample cup 14, but also prevent the sample cup 14 from tipping over. On the front box plate of the chassis 1, at a position opposite to the collection chamber, there is a box door 19. The box door 19 is hermetically assembled with the chassis 1 and can be opened, so as to facilitate the placement and removal of the sample cup 14. At the same time, the box door 19 is transparent, which is convenient for the staff to check the collection amount of the iron raw material powder in the sample cup 14.

[0024] The rear end of the box cover 2 is pivotally connected to the chassis 1, and the left end of the box door 19 is pivotally connected to the chassis 1. The front end of the box cover 2, the front drawer board of the drawer box 8, and the right end of the box door 19 are respectively connected to the front box plate of the chassis 1 through a lock assembly 20, so as to realize the locking of the box cover 2, the box door 19 and the drawer box 8. On the front drawer board of the drawer box 8 and the box door 19, there are also handles 21 respectively, which are convenient for pulling the drawer box 8 and the box door 19 after the drawer box 8 and the box door 19 are unlocked.

[0025] On the right side of the chassis 1, there is a storage box 16, in which a spray gun is placed and the spray gun is externally connected to a water source. At the bottom of the chassis 1, there is a water outlet 15, and the water outlet 15 is communicated with the sample collection chamber. The water outlet 15 is used to be externally connected to a drainage pipe. When the crushing work is completed, open the box cover 2, and spray water at different angles inside the chassis 1 through the spray gun, which can realize the flushing inside the chassis 1. At the same time, the flushing water is discharged through the water outlet 15, so as to prevent the residual iron raw materials in the chassis 1 from mixing into the next batch of iron raw materials and affecting the test results of the next batch of iron raw materials. In order to prevent residual iron raw materials in the screening mechanism 9, the drawer box 8 can also be pulled out for separate flushing.

[0026] On the chassis 1, there is an air inlet 18, and an electromagnetic valve is arranged on the air inlet 18. The electromagnetic valve is used to open and close the air inlet 18. On the left side of the chassis 1, there is an induced draft fan 17, and the air outlet of the induced draft fan 17 is communicated with the air inlet 18 through a pipeline. When the chassis 1 is flushed, close the box cover 2, open the sealing cover 4, turn on the induced draft fan 17 and the electromagnetic valve, and the induced draft fan 17 draws air into the chassis 1, so as to quickly air-dry the inside of the chassis 1. Finally, the induced air is discharged through the feed hopper 3 and the water outlet 15.

[0027] On the upper part of the front box panel of the chassis 1, a PLC controller 22 is provided. The output end of the PLC controller 22 is respectively connected to the motor of the crushing mechanism 7, the vibration motor 94 of the screening mechanism 9, the induced draft fan 17, and the controlled end of the solenoid valve. Thus, the control of the present utility model can be realized through the PLC controller 22.

[0028] When the present utility model is in use, the crushing of iron raw materials can be realized through the provided crushing mechanism 7; the screening of the crushed iron raw materials can be realized through the provided screening mechanism 9; the collection of iron raw material powder can be realized through the provided sample cup 14; through the provided box cover 2, spray gun, and drawer box 8, not only flushing can be realized, but also it is convenient to pull out the drawer box 8 to pour out the iron raw material powder with particle size not meeting the requirements and conduct separate flushing on the drawer box 8, thereby avoiding the residual iron raw materials in the chassis 1 from mixing into the next batch of iron raw materials and affecting the test results of the next batch of iron raw materials; through the provided induced draft fan 17, rapid air drying inside the chassis 1 can be realized.

Claims

1. A sample preparation crusher for iron ore raw material analysis, comprising a chassis (1) and a PLC controller (22) arranged on the upper part of the front box board of the chassis (1), characterized in that: A lid (2) which is hermetically assembled with and can be opened relative to the chassis (1) is provided at the top of the chassis (1). A feed hopper (3) which is communicated with the chassis (1) and used for feeding iron raw materials is provided on the lid (2). A storage box (16) is provided on the right side of the chassis (1). A spray gun for flushing the interior of the chassis (1) after the lid (2) is opened with an external water source stored in the storage box (16) is accommodated in the storage box (16). An upper discharge hopper (5) and a lower discharge hopper (6) located below the upper discharge hopper (5) are provided inside the chassis (1). The interior of the chassis (1) is divided into a crushing chamber, a screening chamber and a sample collecting chamber which are arranged in sequence from top to bottom and communicated with each other through the upper discharge hopper (5) and the lower discharge hopper (6). A crushing mechanism (7) for crushing iron raw materials is provided in the crushing chamber. A drawer box (8) with open top and bottom structures and hermetically assembled with and can be drawn out from the front box plate of the chassis (1) is slidably arranged in the screening chamber. A screening mechanism (9) for screening the crushed iron raw materials is horizontally arranged in the drawer box (8). A sample cup (14) for collecting iron raw material powders with particle sizes meeting the requirements falling from the screening mechanism (9) is provided in the collecting chamber. A transparent box door (19) which is hermetically assembled with and can be opened relative to the chassis (1) for taking and placing the sample cup (14) is provided at a position on the front box plate of the chassis (1) corresponding to the collecting chamber. The output end of the PLC controller (22) is respectively connected with the controlled ends of the crushing mechanism (7) and the screening mechanism (9).

2. The sample preparation grinder for iron ore concentrate analysis according to claim 1, characterized in that: The rear end of the lid (2) is pivotally connected to the chassis (1), and the left end of the box door (19) is pivotally connected to the chassis (1). The front end of the lid (2), the front drawer plate of the drawer box (8) and the right end of the box door (19) are respectively connected to the front box plate of the chassis (1) through a lock assembly (20). Handles (21) are further respectively provided on the front drawer plate of the drawer box (8) and the box door (19).

3. The sample preparation crusher for iron ore raw material testing according to claim 1, characterized in that: The crushing mechanism (7) includes two crushing rollers (71) arranged side by side in the horizontal direction and respectively rotatably connected to the front box plate and the rear box plate of the chassis (1). The rear ends of the two crushing rollers (71) both penetrate through the rear box plate of the chassis (1) and are connected through a transmission assembly. The rear end of one crushing roller (71) is connected with a motor provided on the rear box plate of the chassis (1) and used for driving the two crushing rollers (71) to rotate synchronously through the transmission assembly. The controlled end of the motor is connected with the output end of the PLC controller (22). The crushing mechanism (7) further includes tooth blocks (72) provided on the inner walls of the crushing chamber on the left and right sides of the two crushing rollers (71) and used for cooperating with the crushing rollers (71).

4. The sample preparation pulverizer for iron ore raw material testing according to claim 1, wherein: The screening mechanism (9) includes two horizontally arranged mounting plates (91) with a hollow structure, which are arranged at an upper and lower interval in the drawer box (8). A screen plate (93) is clamped between the two mounting plates (91) by two sets of screening springs (92) arranged up and down. A vibration motor (94) is arranged on the screen plate (93), and the controlled end of the vibration motor (94) is connected to the output end of the PLC controller (22). An accordion cover (95) is also arranged between the two mounting plates (91) and the screen plate (93) to prevent the crushed iron raw materials from entering the edge of the screening mechanism (9).

5. The sample preparation crusher for iron ore concentrate analysis according to claim 1, characterized in that: At the bottom of the sample collection cavity, there is a cup mat (10) for placing the sample cup (14) and vertical plates (11) erected on the left and right sides of the cup mat (10). On the side of the vertical plate (11) close to the sample cup (14), several horizontally arranged clamping springs (12) are arranged from top to bottom. One end of the clamping spring (12) close to the sample cup (14) is provided with an arc-shaped clamping pad (13) for clamping the sample cup (14) under the drive of the clamping spring (12).

6. The sample preparation pulverizer for iron ore concentrate assay according to claim 1, wherein: An air inlet (18) is opened on the chassis (1), and a solenoid valve for opening and closing the air inlet (18) is arranged on the air inlet (18). An air induction fan (17) is arranged on the left side of the chassis (1), which is communicated with the air inlet (18) and is used to draw air into the chassis (1) to dry the inside of the chassis (1) after the solenoid valve is opened. The controlled ends of the air induction fan (17) and the solenoid valve are respectively connected to the output end of the PLC controller (22).

7. The sample preparation grinder for iron ore concentrate assay according to claim 1, wherein: At the bottom of the chassis (1), there is an outlet (15) which is communicated with the sample collection cavity and is used to connect an external drain pipe to discharge the flushing water.

8. The sample preparation pulverizer for iron ore raw material testing according to claim 1, characterized in that: A sealing cover (4) is detachably arranged on the feed hopper (3).

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