Coal sample iron removal device matched with crusher

Abstract

The coal sample iron removal device comprises a discharging box, a discharging opening is formed in the top of the inner side of the discharging box, a crushing mechanism is installed in the discharging box, a discharging channel is formed in the lower side of the discharging box, the output end of the discharging box is connected with a first iron removal mechanism, and the output end of the first iron removal mechanism is connected with a second iron removal mechanism; the first iron removal mechanism comprises an iron removal box, a flowing through groove is formed in the position, corresponding to the discharging channel, of the iron removal box, a transmission shaft is installed on the position, on one side of the flowing through groove, of the iron removal box, the transmission shaft is connected with an electromagnetic roller, a metal impurity flow channel is formed in the position, on the left side of the electromagnetic roller, of the iron removal box, and a slag scraping assembly is installed on the iron removal box; the second iron removal mechanism comprises a separation box, a feeding port is formed in the position, corresponding to the flowing through groove, of one side of the top of the separation box, a guiding output groove is formed in the position, below the feeding port, of the separation box, a conveying frame is installed at the position, at the bottom of the guiding output groove, of the separation box, a conveying belt is installed on the conveying frame, and a magnetic attraction mechanism is installed at the position, above the conveying belt, in the separation box.

Description

Technical Field

[0001] The invention belongs to the technical field of coal processing, and in particular relates to a coal sample iron removal device matched with a crusher. Background Art

[0002] Coal is a solid combustible mineral that was gradually formed by ancient plants buried underground and undergoing complex biochemical and physicochemical changes. Coal is hailed as black gold and food for industry. It has been one of the main energy sources used by the human world since the 18th century. Since the 21st century, although the value of coal is not as high as before, it has been one of the indispensable sources of energy for our production and life for a long time. The supply of coal is also related to the stability of the development of my country's industry and even all aspects of society as a whole. The security of coal supply is also the most important link in my country's energy security.

[0003] During the mining process of raw coal, some impurities such as iron or iron filings will be mixed inside the raw coal. In order to avoid damage to the equipment caused by metal impurities in the subsequent coal melting process, and the metal impurities will affect the quality of the raw coal, the raw coal needs to be de-ironed after mining. However, after this de-ironing operation, some smaller iron impurities will remain. When users or inspection agencies prepare and test the samples, these impurities will cause wear and even breakage to the sample preparation equipment, especially the pot body of the grinding pot, during the sample preparation process. In addition, these iron impurities will have a certain impact on the accuracy of the test results of the coal test. Therefore, the national standard GB / T474 "Preparation method of coal samples" specifically emphasizes the description of "before crushing into coal samples less than 0.2mm, use a magnet to absorb the iron filings in the coal sample."

[0004] The coal sampling process is to reduce the coal sample size through a crusher, and then use a grinding pot to grind the coal into coal samples less than 0.2mm; generally, the iron removal of coal samples is generally done manually, by sweeping the coal sample back and forth with a magnet by hand to remove the iron. Since manual iron removal operations are very random and it is not easy to handle large amounts of coal samples, the iron removal effect of this operation is poor. Summary of the invention

[0005] In view of the problems raised by the above background technology, the purpose of the present invention is to provide a coal sample iron removal device matched with a crusher.

[0006] In order to achieve the above technical objectives, the technical solution adopted by the present invention is as follows:

[0007] A coal sample iron removal device for a crusher includes a feed box, a feed opening is provided on the inner top of the feed box, a crushing mechanism is installed in the feed box, a feed channel is provided on the lower side of the feed box, a first iron removal mechanism is connected to the output end of the feed box, and a second iron removal mechanism is connected to the output end of the first iron removal mechanism;

[0008] The first iron removal mechanism comprises an iron removal box, the iron removal box is provided with a flow groove at the corresponding feeding channel, the iron removal box is provided with a transmission shaft on one side of the flow groove, the transmission shaft is connected with an electromagnetic roller, the outer side of the transmission shaft is connected with a motor, the motor is installed on the outer side of the iron removal box, the iron removal box is provided with a metal impurity flow channel on the left side of the electromagnetic roller, the iron removal box is provided with a scraping assembly, the scraping assembly is arranged on the upper side of the metal impurity flow channel and contacts with the electromagnetic roller;

[0009] The second iron removal mechanism includes a separation box, a feed port is provided on one side of the top of the separation box at the corresponding flow groove, a guide output groove is provided on the lower side of the feed port, the guide output groove is arranged in an inclined structure, a conveying frame is installed at the bottom of the guide output groove of the separation box, a conveyor belt is installed on the conveying frame, a coal output groove is installed at the output end of the conveyor belt of the conveying frame, and a magnetic suction mechanism is installed on the upper side of the conveyor belt in the separation box.

[0010] It is further defined that the crushing mechanism includes crushing rollers rotatably mounted on the left and right sides of the lower material box, a plurality of crushing teeth are arranged on the outer side of the crushing rollers, and the crushing mechanism also includes a power output device mounted on the outer side of the lower material box, and the power output end of the power output device is connected to the crushing rollers. Such a structural design facilitates the crushing of coal to facilitate the subsequent iron removal work.

[0011] It is further defined that a buffer plate is installed on one side of the inner part of the feeding channel, and the buffer plate is arranged in an inclined structure, and the lowest part of the buffer plate is arranged on the upper side of the electromagnetic roller. Such a structural design can buffer the speed of coal falling, and prevent the crushed coal from falling directly on the electromagnetic roller and causing damage to the electromagnetic roller.

[0012] It is further defined that the iron removal box is arranged in an L-shaped structure and is installed on the top left side of the separation box. Such a structural design facilitates the installation and use of the iron removal box.

[0013] It is further defined that the scraper assembly includes a connecting rod, the iron removal box is provided with a mounting hole at the corresponding connecting rod, the connecting rod is slidably mounted in the mounting hole, a handle is mounted on the outer side of the connecting rod, an assembly seat is mounted on the inner side of the connecting rod, a scraper is mounted on one side of the assembly seat, the scraper contacts the electromagnetic roller, a spring is mounted on the other side of the assembly seat, and the free end of the spring is arranged on the inner wall of the iron removal box. Such a structural design facilitates the scraping of metal impurities on the electromagnetic roller.

[0014] It is further defined that the magnetic attraction mechanism includes a mounting frame installed in the separation box, a driving motor is installed on the mounting frame, a power output end of the driving motor is connected to a transmission frame, an assembly frame is installed at the bottom of the transmission frame, a magnetic attraction plate is installed at the bottom of the assembly frame, and air avoidance grooves are provided on both sides of the separation box at the corresponding assembly frame and magnetic attraction plate. Such a structural design facilitates the absorption of metal impurities.

[0015] It is further defined that the assembly frame is arranged in a cross-shaped structure, and slide grooves are arranged on four sides of the bottom of the assembly frame, and a slider is slidably installed in the slide groove, and the bottom of the slider is connected to the magnetic suction plate. Such a structural design facilitates cleaning and maintenance of the magnetic suction plate that is not working when the magnetic suction plate is working.

[0016] It is further defined that movable support mechanisms are installed on four sides of the bottom of the conveying frame, and the separation box is provided with a movable mechanism at the bottom of the conveying frame. Such a structural design enables the conveying frame to vibrate during the conveying process, so that the metal impurities in the coal can jump and be more easily adsorbed by the magnetic suction plate.

[0017] It is further defined that the movable support mechanism includes a fixed sleeve, the fixed sleeve is installed at the inner bottom of the separation box, a vibration spring is installed in the fixed sleeve, the free end of the vibration spring is connected to a limit plate, the limit plate is slidably arranged in the fixed sleeve, a support rod is installed on the top of the limit plate, the top of the support rod passes through the fixed sleeve and extends to the upper side thereof, and the top of the support rod is installed at the bottom of the conveying frame. Such a structural design plays the role of movable support.

[0018] It is further defined that the movable mechanism includes a servo motor installed in the separation box, the power output end of the servo motor is connected to a coupling, the coupling is connected to a rotating rod, the two ends of the rotating rod are installed with bearing support seats, the bottom of the bearing support seat is installed on the inner bottom of the separation box, and the two sides of the rotating rod are installed with eccentric protrusions, and the eccentric protrusions are arranged at the bottom of the conveying frame. Such a structural design can assist in providing power, so that the conveying frame vibrates under the effect of the movable support mechanism.

[0019] The beneficial effects of the present invention are as follows: the present invention can continuously adsorb metal impurities in coal by setting up a first iron removal mechanism and a second iron removal mechanism. During the iron removal process, the operation of removing iron slag from the coal sample is performed by using a first iron removal mechanism and a second iron removal mechanism, thereby solving the disadvantages of manual iron removal. It is no longer necessary to manually remove metal impurities, thereby improving the iron removal effect, and there is no need to stop the machine, thus saving time. Furthermore, it can effectively prevent metal impurities from causing wear or even breakage to the sample preparation equipment, especially the pot body of the grinding pot, during the sample preparation process when the user or the inspection agency prepares and tests the coal, thereby preventing the metal impurities from having a certain impact on the accuracy of the inspection results of the coal test. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention can be further illustrated by the non-limiting examples given in the accompanying drawings;

[0021] Figure 1 This is a schematic diagram of the axial structure of a coal sample iron removal device supporting a crusher according to an embodiment of the present invention;

[0022] Figure 2 A schematic cross-sectional structure diagram of a coal sample iron removal device used in conjunction with a crusher according to an embodiment of the present invention;

[0023] Figure 3 This is an enlarged structural schematic diagram of location A of a coal sample iron removal device supporting a crusher according to an embodiment of the present invention;

[0024] Figure 4 This is an enlarged structural schematic diagram of position B of a coal sample iron removal device supporting a crusher according to an embodiment of the present invention;

[0025] Figure 5 This is an enlarged structural schematic diagram of position C of a coal sample iron removal device supporting a crusher according to an embodiment of the present invention;

[0026] The main component symbols are described as follows:

[0027] Feed box 1, feed port 2;

[0028] Crushing mechanism 3, crushing roller 301, crushing teeth 302, power output device 303

[0029] Feeding channel 4;

[0030] The first iron removal mechanism 5, the iron removal box 501, the flow channel 502, the transmission shaft 503, the electromagnetic roller 504, the metal impurity flow channel 505, the scraper assembly 506, the connecting rod 5061, the mounting hole 5062, the handle 5063, the assembly seat 5064, the scraper 5065, and the spring 5066;

[0031] The second iron removal mechanism 6, the separation box 601, the feed port 602, the guide output trough 603, the conveying frame 604, the conveyor belt 605, the coal output trough 606, the magnetic attraction mechanism 607, the mounting frame 6071, the driving motor 6072, the transmission frame 6073, the assembly frame 6074, the magnetic attraction plate 6075, the slide 6076, the slider 6077, and the air avoidance groove 608;

[0032] Buffer plate 7;

[0033] Movable support mechanism 8, fixed sleeve 801, vibration spring 802, limit plate 803, support rod 804;

[0034] Movable mechanism 9, servo motor 901, coupling 902, rotating rod 903, bearing support seat 904, eccentric protrusion 905. DETAILED DESCRIPTION

[0035] In order to enable those skilled in the art to better understand the present invention, the technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0036] Embodiment 1, as Figure 1 and Figure 2 As shown, a coal sample iron removal device matched with a crusher, a material discharge port 2 is provided at the inner top of a material discharge box 1, a crushing mechanism 3 is installed in the material discharge box 1, a material discharge channel 4 is provided at the lower side of the material discharge box 1, a first iron removal mechanism 5 is connected to the output end of the material discharge box 1, and a second iron removal mechanism 6 is connected to the output end of the first iron removal mechanism 5;

[0037] The first iron removal mechanism 5 includes an iron removal box 501, the iron removal box 501 is provided with a flow groove 502 at the corresponding feeding channel 4, the iron removal box 501 is provided with a transmission shaft 503 on one side of the flow groove 502, the transmission shaft 503 is connected to an electromagnetic roller 504, the outer side of the transmission shaft 503 is connected to a motor, and the motor is installed on the outer side of the iron removal box 501, the iron removal box 501 is provided with a metal impurity flow channel 505 on the left side of the electromagnetic roller 504, and the iron removal box 501 is provided with a scraping assembly 506, the scraping assembly 506 is arranged on the upper side of the metal impurity flow channel 505, and contacts with the electromagnetic roller 504;

[0038] The second iron removal mechanism 6 includes a separation box 601, and a feed port 602 is provided on one side of the top of the separation box 601 at a position corresponding to the flow channel 502. The separation box 601 is provided with a guide output groove 603 on the lower side of the feed port 602. The guide output groove 603 is arranged in an inclined structure. The separation box 601 is provided with a conveying frame 604 installed at the bottom of the guide output groove 603, and a conveyor belt 605 is installed on the conveying frame 604. The conveying frame 604 is provided with a coal output groove 606 at the output end of the conveyor belt 605, and a magnetic attraction mechanism 607 is installed on the upper side of the conveyor belt 605 in the separation box 601.

[0039] In this embodiment, when working, first start the crushing mechanism 3, the motor and the conveying frame 604 to make the crushing mechanism 3 move and work, the motor drives the transmission shaft 503, the transmission shaft 503 drives the electromagnetic roller 504 to rotate, the conveying frame 604 drives the conveyor belt 605 to move, and then the coal is poured into the discharge box 1, so that it enters the crushing mechanism 3 through the discharge port 2, the crushing mechanism 3 crushes the coal to form coal blocks, and the crushed small coal blocks enter the first iron removal mechanism 5 through the discharge channel 4, and the coal blocks flow out from the electromagnetic roller 504 through the flow groove 502, and the electromagnetic roller 504 absorbs the metal impurities in the fallen coal blocks and rotates to the scraper assembly 506, and then the coal is removed by the scraper assembly 506. The scraper assembly 506 scrapes off the metal impurities adsorbed on the electromagnetic roller 504, and the scraped metal impurities are discharged through the metal impurity flow channel 505, while the coal blocks enter the second iron removal mechanism 6, and the coal blocks fall into the guide output groove 603 through the feed port 602, and then are transported to the conveyor belt 605 through the guide output groove 603, and are transported through the conveyor belt 605. At this time, the magnetic attraction mechanism 607 located on the upper side of the conveyor belt 605 works, and the remaining metal impurities are adsorbed by the magnetic attraction mechanism 607. Finally, the coal blocks after the metal impurities are removed twice are output from the coal output groove 606, and finally, the coal is ground into a coal sample less than 0.2 mm using a grinding pot.

[0040] Embodiment 2, as Figure 2 As shown, this embodiment adds the following structure on the basis of embodiment 1, the crushing mechanism 3 includes crushing rollers 301 rotatably installed on the left and right sides of the discharge box 1, and a plurality of crushing teeth 302 are provided on the outer side of the crushing roller 301. The crushing mechanism 3 also includes a power output device 303 installed on the outer side of the discharge box 1, and the power output end of the power output device 303 is connected to the crushing roller 301.

[0041] In this embodiment, when working, by starting the power output device 303, the power output device 303 drives the crushing roller 301, and the crushing roller 301 drives the crushing teeth 302 to rotate, so that the rotating crushing teeth 302 can crush the coal entering the discharge port 2. At the same time, the crushing teeth 302 on both sides can have a limiting effect on the coal when rotating, which can prevent the coal from jumping during crushing, and can more conveniently crush the coal, which is convenient for subsequent iron removal and grinding work.

[0042] Embodiment 3, as Figure 2 As shown, this embodiment adds the following structure on the basis of embodiment 1: a buffer plate 7 is installed on one side of the inner part of the discharge channel 4, and the buffer plate 7 is arranged in an inclined structure, and the lowest point of the buffer plate 7 is arranged on the upper side of the electromagnetic roller 504.

[0043] In this embodiment, when in use, the crushed coal blocks fall onto the buffer plate 7, causing the coal blocks to slide along the buffer plate 7, slide out from the lowest point of the buffer plate 7, and fall on the upper side of the electromagnetic roller 504. The rotating electromagnetic roller 504 adsorbs the metal impurities and then outputs the coal blocks to prevent the crushed coal from falling directly onto the electromagnetic roller 504 and causing damage to the electromagnetic roller 504.

[0044] Embodiment 4, as Figure 2 As shown, this embodiment adds the following structure on the basis of embodiment 1: the iron removal box 501 is arranged in an L-shaped structure and is installed on the top left side of the separation box 601. Such a structural design facilitates the installation and use of the iron removal box 501.

[0045] In this embodiment, the iron removal box 501 arranged in an L-shaped structure can be easily installed and used.

[0046] Embodiment 5, as Figure 2 and Figure 3 As shown, this embodiment adds the following structure on the basis of embodiment 1, the scraper assembly 506 includes a connecting rod 5061, the iron removal box 501 is provided with a mounting hole 5062 corresponding to the connecting rod 5061, the connecting rod 5061 is slidably installed in the mounting hole 5062, a handle 5063 is installed on the outer side of the connecting rod 5061, an assembly seat 5064 is installed on the inner side of the connecting rod 5061, a scraper 5065 is installed on one side of the assembly seat 5064, the scraper 5065 is in contact with the electromagnetic roller 504, and a spring 5066 is installed on the other side of the assembly seat 5064, and the free end of the spring 5066 is arranged on the inner wall of the iron removal box 501.

[0047] In this embodiment, the spring 5066 pushes the assembly seat 5064, and the assembly seat 5064 pushes the scraper 5065, so that the scraper 5065 is tightly attached to the electromagnetic roller 504, so that the scraper 5065 can scrape off the metal impurities on the electromagnetic roller 504, thereby improving the cleaning effect of the electromagnetic roller 504, and the connecting rod 5061 can ensure the stability of the assembly seat 5064 and the scraper 5065 during operation.

[0048] Embodiment 6, as Figure 1 , Figure 2 and Figure 4 As shown, this embodiment adds the following structure on the basis of embodiment 1, the magnetic attraction mechanism 607 includes a mounting frame 6071 installed in the separation box 601, a driving motor 6072 is installed on the mounting frame 6071, the power output end of the driving motor 6072 is connected to a transmission frame 6073, an assembly frame 6074 is installed at the bottom of the transmission frame 6073, a magnetic attraction plate 6075 is installed at the bottom of the assembly frame 6074, and air avoidance grooves 608 are provided on both sides of the separation box 601 corresponding to the assembly frame 6074 and the magnetic attraction plate 6075.

[0049] In this embodiment, when working, the metal impurities in the coal blocks transported by the conveyor belt 605 are adsorbed by the magnetic suction plate 6075. When maintenance and cleaning are needed after a long period of use, the driving motor 6072 is started to drive the transmission frame 6073, the transmission frame 6073 drives the assembly frame 6074, and the assembly frame 6074 drives the magnetic suction plate 6075 to extend out of the air avoidance groove 608. At this time, the operator can clean and maintain the magnetic suction plate 6075 for subsequent use.

[0050] Embodiment 7, as Figure 1 , Figure 2 and Figure 4 As shown, this embodiment adds the following structure on the basis of embodiment 6: the assembly frame 6074 is arranged in a cross-shaped structure, and the four sides of the bottom of the assembly frame 6074 are provided with sliding grooves 6076, and a slider 6077 is slidably installed in the sliding groove 6076, and the bottom of the slider 6077 is connected to the magnetic suction plate 6075.

[0051] In this embodiment, since the assembly frame 6074 is arranged in a cross-shaped structure, when working, two groups of magnetic suction plates 6075 are located on the upper side of the conveyor belt 605 to perform adsorption and iron removal work, and the other two groups of magnetic suction plates 6075 are located at the air avoidance groove 608 for maintenance and cleaning. When the working magnetic suction plates 6075 need maintenance and cleaning, it is only necessary to control the driving motor 6072 to drive the transmission frame 6073, the transmission frame 6073 drives the assembly frame 6074, and the assembly frame 6074 drives the magnetic suction plates 6075 to rotate 90°, so that the working magnetic suction plates 6075 can be moved to the air avoidance groove 608, and the clean magnetic suction plates 6075 can be moved to the conveyor belt 605, thereby achieving continuous iron removal without stopping the machine, and the magnetic suction plates 6075 can also be conveniently disassembled from the assembly frame 6074 for cleaning and maintenance with the cooperation of the slider 6077 and the slide groove 6076, and the subsequent installation is convenient.

[0052] Embodiment 8, as Figure 2 As shown, this embodiment adds the following structure on the basis of embodiment 1: movable supporting mechanisms 8 are installed on four sides of the bottom of the conveying frame 604, and the separation box 601 is provided with a movable mechanism 9 at the bottom of the conveying frame 604.

[0053] In this embodiment, when in use, the movable mechanism 9 can be started to push the conveying frame 604. The conveying frame 604 vibrates under the action of the movable supporting mechanism 8, and then the vibration is transmitted to the moving coal, so that the coal and metal impurities can jump, and the jumping metal impurities are more easily adsorbed by the magnetic attraction plate 6075, thereby improving the iron removal effect.

[0054] Embodiment 9, as Figure 2 and Figure 5As shown, this embodiment adds the following structure on the basis of embodiment 8, the movable support mechanism 8 includes a fixed sleeve 801, the fixed sleeve 801 is installed at the inner bottom of the separation box 601, a vibration spring 802 is installed in the fixed sleeve 801, the free end of the vibration spring 802 is connected to a limit plate 803, the limit plate 803 is slidably arranged in the fixed sleeve 801, a support rod 804 is installed on the top of the limit plate 803, the top of the support rod 804 passes through the fixed sleeve 801 and extends to the upper side thereof, and the top of the support rod 804 is installed at the bottom of the conveying frame 604. Such a structural design plays the role of movable support.

[0055] In this embodiment, when the movable mechanism 9 pushes the conveying frame 604, the conveying frame 604 will drive the support rods 804 on the four sides of the bottom, and the support rods 804 will drive the limiting plate 803 to slide in the fixed sleeve 801. At the same time, the limiting plate 803 squeezes or stretches the vibration spring 802, thereby generating an up and down vibration effect, which is convenient for subsequent iron removal work.

[0056] Embodiment 10, as Figure 2 As shown, this embodiment adds the following structure on the basis of embodiment 8, the movable mechanism 9 includes a servo motor 901 installed in the separation box 601, the power output end of the servo motor 901 is connected to a coupling 902, the coupling 902 is connected to a rotating rod 903, bearing support seats 904 are installed at both ends of the rotating rod 903, the bottom of the bearing support seat 904 is installed on the inner bottom of the separation box 601, eccentric protrusions 905 are installed on both sides of the rotating rod 903, and the eccentric protrusions 905 are arranged at the bottom of the conveying frame 604.

[0057] In this embodiment, when working, by starting the servo motor 901, the servo motor 901 drives the coupling 902, the coupling 902 drives the rotating rod 903 to rotate along the bearing support seat 904, and the rotating rod 903 drives the eccentric protrusion 905 to move, so that the eccentric protrusion 905 can lift the conveying frame 604 to move upward, and after moving away, the conveying frame 604 descends under the effect of gravity, so that the conveying frame 604 can achieve the effect of up and down vibration.

[0058] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or change the above embodiments without violating the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical ideas disclosed by the present invention should still be covered by the claims of the present invention.

Claims

1. A coal sample iron removal device for a crusher, characterized in that: The invention comprises a material discharge box (1), wherein a material discharge port (2) is provided at the inner top of the material discharge box (1), a crushing mechanism (3) is installed in the material discharge box (1), a material discharge channel (4) is provided at the lower side of the material discharge box (1), the output end of the material discharge box (1) is connected to a first iron removal mechanism (5), and the output end of the first iron removal mechanism (5) is connected to a second iron removal mechanism (6); The first iron removal mechanism (5) comprises an iron removal box (501), the iron removal box (501) is provided with a flow groove (502) at the corresponding feeding channel (4), the iron removal box (501) is provided with a transmission shaft (503) on one side of the flow groove (502), the transmission shaft (503) is connected to an electromagnetic roller (504), the outer side of the transmission shaft (503) is connected to a motor, the motor is installed on the outer side of the iron removal box (501), the iron removal box (501) is provided with a metal impurity flow channel (505) on the left side of the electromagnetic roller (504), the iron removal box (501) is provided with a scraping assembly (506), the scraping assembly (506) is arranged on the upper side of the metal impurity flow channel (505) and is in contact with the electromagnetic roller (504); The second iron removal mechanism (6) comprises a separation box (601), wherein a feed port (602) is provided on one side of the top of the separation box (601) at a position corresponding to the flow channel (502), and a guide output slot (603) is provided on the lower side of the feed port (602) of the separation box (601), wherein the guide output slot (603) is arranged in an inclined structure, and a conveying frame (604) is installed at the bottom of the guide output slot (603) of the separation box (601), and a conveyor belt (605) is installed on the conveying frame (604), and a coal output slot (606) is installed at the output end of the conveyor belt (605) of the conveying frame (604), and a magnetic attraction mechanism (607) is installed on the upper side of the conveyor belt (605) in the separation box (601).

2. The coal sample iron removal device for a crusher according to claim 1 is characterized in that: The crushing mechanism (3) comprises crushing rollers (301) rotatably mounted on the left and right sides of the interior of the material discharge box (1), a plurality of crushing teeth (302) being arranged on the outer side of the crushing rollers (301), and the crushing mechanism (3) further comprises a power output device (303) mounted on the outer side of the material discharge box (1), and a power output end of the power output device (303) is connected to the crushing rollers (301).

3. The coal sample iron removal device for a crusher according to claim 2 is characterized in that: A buffer plate (7) is installed on one side of the interior of the material discharge channel (4); the buffer plate (7) is arranged in an inclined structure, and the lowest point of the buffer plate (7) is arranged on the upper side of the electromagnetic roller (504).

4. The coal sample iron removal device for a crusher according to claim 3 is characterized in that: The iron removal box (501) is arranged in an L-shaped structure and is installed on the top left side of the separation box (601).

5. The coal sample iron removal device for a crusher according to claim 4 is characterized in that: The scraper assembly (506) includes a connecting rod (5061), and the iron removal box (501) is provided with a mounting hole (5062) corresponding to the connecting rod (5061). The connecting rod (5061) is slidably installed in the mounting hole (5062). A handle (5063) is installed on the outer side of the connecting rod (5061), and an assembly seat (5064) is installed on the inner side of the connecting rod (5061). A scraper (5065) is installed on one side of the assembly seat (5064), and the scraper (5065) is in contact with the electromagnetic roller (504). A spring (5066) is installed on the other side of the assembly seat (5064), and the free end of the spring (5066) is arranged on the inner wall of the iron removal box (501).

6. The coal sample iron removal device for a crusher according to claim 5, characterized in that: The magnetic attraction mechanism (607) comprises a mounting frame (6071) mounted in the separation box (601), a driving motor (6072) being mounted on the mounting frame (6071), a power output end of the driving motor (6072) being connected to a transmission frame (6073), an assembly frame (6074) being mounted at the bottom of the transmission frame (6073), a magnetic attraction plate (6075) being mounted at the bottom of the assembly frame (6074), and air avoidance grooves (608) being provided on both sides of the separation box (601) at locations corresponding to the assembly frame (6074) and the magnetic attraction plate (6075).

7. The coal sample iron removal device for a crusher according to claim 6, characterized in that: The assembly frame (6074) is arranged in a cross-shaped structure, and four sides of the bottom of the assembly frame (6074) are provided with slide grooves (6076), and a slider (6077) is slidably installed in the slide groove (6076), and the bottom of the slider (6077) is connected to the magnetic attraction plate (6075).

8. The coal sample iron removal device for a crusher according to claim 7, characterized in that: The four sides of the bottom of the conveying frame (604) are equipped with movable supporting mechanisms (8), and the separation box (601) is provided with a movable mechanism (9) at the bottom of the conveying frame (604).

9. The coal sample iron removal device for a crusher according to claim 8, characterized in that: The movable support mechanism (8) comprises a fixed sleeve (801), wherein the fixed sleeve (801) is mounted on the inner bottom of the separation box (601), wherein a vibration spring (802) is mounted inside the fixed sleeve (801), wherein the free end of the vibration spring (802) is connected to a limiting plate (803), wherein the limiting plate (803) is slidably arranged inside the fixed sleeve (801), wherein a support rod (804) is mounted on the top of the limiting plate (803), wherein the top of the support rod (804) passes through the fixed sleeve (801) and extends to the upper side thereof, and wherein the top of the support rod (804) is mounted on the bottom of the conveying frame (604).

10. The coal sample iron removal device for a crusher according to claim 9, characterized in that: The movable mechanism (9) comprises a servo motor (901) installed in a separation box (601), the power output end of the servo motor (901) is connected to a coupling (902), the coupling (902) is connected to a rotating rod (903), both ends of the rotating rod (903) are installed with bearing support seats (904), the bottom of the bearing support seat (904) is installed on the inner bottom of the separation box (601), and eccentric protrusions (905) are installed on both sides of the rotating rod (903), and the eccentric protrusions (905) are arranged at the bottom of the conveying frame (604).

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