CN116140032A

CN116140032A - Deironing device for crawler-type sand crusher

Info

Publication number: CN116140032A
Application number: CN202310075098.6A
Authority: CN
Inventors: 王润润; 汤博文; 韩加浩; 张�林; 阮文杰; 张飞飞
Original assignee: Hefei Metalforming Intelligent Manufacturing Co ltd
Current assignee: Hefei Metalforming Intelligent Manufacturing Co ltd
Priority date: 2023-01-16
Filing date: 2023-01-16
Publication date: 2023-05-23

Abstract

The invention discloses an iron removing device for a crawler-type sand crusher, which comprises a fixed seat fixedly arranged on a crawler-type moving mechanism and positioned on one side of the crusher, wherein a supporting plate is fixed on the top of the fixed seat, a conveying mechanism for feeding materials in the crusher is fixed on the supporting plate, an iron removing mechanism connected with the conveying mechanism in a linkage manner is arranged on the conveying mechanism, and the iron removing mechanism reciprocates to remove iron from materials under the action of the conveying mechanism; the conveying mechanism comprises a mounting frame with a U-shaped cross section, and a top plate is fixed at the top of the mounting frame. The iron can be automatically removed in the conveying process in the whole device, and the iron can be automatically and regularly transferred and discharged, so that the iron can be conveniently collected and treated. The whole sand and stone conveying, iron adsorption and iron transferring actions are automatically carried out, the motorized performance is high, and all functions can be realized by adopting few structures.

Description

Deironing device for crawler-type sand crusher

Technical Field

The invention relates to the field of accessories of mining devices, in particular to an iron removing device for a crawler-type sand crusher.

Background

The crawler-type crusher can be divided into four series, namely a cone-broken crawler-type crusher, a jaw-broken crawler-type crusher and a counterattack crawler-type crusher station, and a screening crawler-type crusher. At present, when ore materials are crushed, a crawler-type crusher is often used. The crawler crusher has good maneuvering performance and can automatically move the position according to the needs.

The utility model discloses a sand making equipment among the prior art, this sand making equipment is with the direct transport of grit to the breaker in carry out the breakage, but often has iron in the grit, and the hardness of iron is great, and harder iron directly drops into the breaker, causes the destruction to the cutter of breaker easily, and iron also can cause the damage to the inner wall of breaker at the in-process of collision, serious can shorten the life of breaker.

In addition, chinese patent (application number 202021399018.0) discloses an iron removal device for a crawler-type sand crusher, comprising an iron removal shell, a first rotating electric machine and a second rotating electric machine; the iron removing shell is arranged between the conveying belt and the crusher, and a hydraulic rod is vertically arranged in the center of the top end inside the iron removing shell; the top end of the hydraulic rod penetrates through the top of the iron removal shell and is fixedly connected with the output end of the hydraulic cylinder, the bottom end of the hydraulic rod is fixedly connected with a fixing plate, the fixing plate is horizontally arranged, and connecting rods are arranged on two sides of the bottom surface of the fixing plate; the bottom ends of the two connecting rods are horizontally provided with connecting plates, the centers of the surfaces of the connecting plates are provided with first rotating motors, and the output ends of the first rotating motors are fixedly connected with first rotating rods; the rotary table is fixedly connected with the bottom end of the first rotary rod, and magnetic rods are uniformly distributed on the outer ring of the bottom surface of the rotary table.

The iron in the sand is removed through the magnetic rod, but as the quantity of the iron on the periphery of the magnetic rod is increased, the adsorption effect on the iron is weakened, so that iron cannot be continuously removed, and the removal of the iron on the periphery of the magnetic rod is troublesome because additional equipment is required, so that an iron removing device for a crawler-type sand crusher is required.

Disclosure of Invention

Object of the invention

Therefore, the invention aims to provide an iron removing device for a crawler-type sand crusher, which aims to solve the problems in the background technology.

(II) technical scheme

In order to achieve the above-mentioned technical object, the invention provides a crawler-type belt iron removal device for sand crusher:

the device comprises a fixed seat fixedly arranged on a crawler-type moving mechanism and positioned on one side of a crusher, wherein a supporting plate is fixed on the top of the fixed seat, a conveying mechanism for feeding materials in the crusher is fixed on the supporting plate, an iron removing mechanism in linkage connection with the conveying mechanism is arranged on the conveying mechanism, and the iron removing mechanism reciprocates to remove iron from materials under the action of the conveying mechanism;

the conveying mechanism comprises a mounting frame with a U-shaped cross section, a top plate is fixed at the top of the mounting frame, a plurality of rotating shafts are rotatably mounted on the inner side of the mounting frame along the length direction, conveying wheels located the mounting frame are fixedly sleeved on the rotating shafts, a plurality of conveying wheels are in transmission connection with a conveying belt, and a driving mechanism for driving the conveying belt to periodically stop and driving the iron removing mechanism to work is arranged on one side of the mounting frame.

Preferably, the driving mechanism comprises a fixed plate fixed at the bottom of the top plate and positioned at one side of the mounting frame, a double-headed motor is fixed on the fixed plate, one output end of the double-headed motor is fixedly provided with a rotating shaft rod which is rotatably mounted between the fixed plate and the mounting frame, a large-notch gear is fixedly sleeved on the rotating shaft rod, the large-notch gear is periodically meshed with a large gear, the large gear is fixedly sleeved at one end part of one rotating shaft, each end part of the rotating shaft is fixedly sleeved with a sprocket, and a plurality of sprockets are connected through the same chain in a transmission manner.

Preferably, the deironing mechanism is including being fixed in the installing frame and keeping away from the diaphragm of fixed plate one side, and the top of diaphragm is fixed with the riser, the top of riser is fixed with the bottom of roof, the actuating lever is installed to the installing frame internal rotation, and the actuating lever both ends all wear out the installing frame and rotate with riser and fixed plate respectively and be connected, the actuating lever is close to the one end of fixed plate and is fixed with the pinion, and pinion and the periodic meshing of notch gear, be provided with reciprocating screw thread along length direction on the actuating lever, but threaded connection has lateral shifting's internal thread piece on the reciprocating screw thread, be provided with on the internal thread piece and be used for carrying out absorptive adsorption device to iron, just be provided with sharp guiding mechanism on the internal thread piece.

Preferably, the adsorption mechanism comprises a shell fixed on one side of the internal thread block, an electromagnet is fixed at the bottom of the shell, a sliding press block is slidably matched with the inner side of the shell, a touch switch connected with the electromagnet is arranged at the bottom of the sliding press block, a feeler lever of which the upper end movably penetrates out of the shell is fixed at the top of the sliding press block, a plurality of elastic pieces are fixed between the bottom of the sliding press block and the inner wall of the bottom of the shell, a roller is rotatably mounted at the upper end of the feeler lever, and a track assembly used for guiding the roller is arranged on the top plate.

Preferably, the track assembly comprises a transverse plane and an inclined plane which are arranged at the bottom of the top plate, the transverse plane is straight, the inclined plane is inclined, and when the roller moves to the inclined plane, the roller and the sliding press block move upwards under the action of the elastic piece to enable the sliding press block to be separated from the touch switch.

Preferably, a channel for passing through the electromagnet and the internal thread block is arranged on one side, close to the vertical plate, of the mounting frame, and the driving rod penetrates through the channel.

Preferably, the linear guide mechanism comprises a guide rod penetrating through the channel, one end of the guide rod is fixed with the vertical plate, the other end of the guide rod is fixed with the corresponding inner side wall of the mounting frame, and the guide rod and the driving rod are arranged in parallel.

Preferably, the transverse plate is provided with a collecting box which is positioned at one side of the mounting frame and is used for collecting materials falling from the electromagnet.

Preferably, the automatic cleaning device further comprises a lower reciprocating threaded rod which is arranged in the mounting frame and positioned below the conveying belt in a rotating mode, one end of the lower reciprocating threaded rod penetrates out of the mounting frame and is in rotating connection with the lower portion of the fixing plate, the other output end of the double-head motor is in transmission connection with the lower reciprocating threaded rod through a sprocket transmission assembly, the lower reciprocating threaded rod is connected with an internal thread cleaning block in a threaded mode, bristles which are in contact with the conveying belt are uniformly distributed at the top of the internal thread cleaning block, and a rectangular guide rod which is parallel to the lower reciprocating threaded rod and movably penetrates through the internal thread cleaning block is fixed at the lower portion of the mounting frame.

From the above technical scheme, the application has the following beneficial effects:

through pivot, transfer wheel, conveyer belt, double-end motor, notch gear, gear wheel in the whole device, elastic component, touch press switch, slip briquetting, actuating lever, horizontal plane, inclined plane's setting for whole device not only can be used for carrying the grit, is convenient for carry the grit to the breaker in smash.

The iron can be automatically removed in the conveying process in the whole device, and the iron can be automatically and regularly transferred and discharged, so that the iron can be conveniently collected and treated. The whole sand and stone conveying, iron adsorption and iron transferring actions are automatically carried out, the motorized device is high, and all functions can be realized by adopting few structures, so that the structural design is ingenious, the cost can be saved, and the iron treatment efficiency is improved.

In the whole device, in the deironing and the in-process of carrying, can also link the automation clean the surface of conveyer belt, need not artifical periodic cleaning, and then can reduce staff's work clearance burden.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic installation diagram of an iron removal device for a crawler-type sand crusher.

Fig. 2 is a schematic structural diagram of an iron removal device for a crawler-type sand crusher.

Fig. 3 is an enlarged schematic view of the structure at a in fig. 2.

Fig. 4 is a schematic diagram of the arrangement of a gear segment of an iron removing device for a crawler-type sand crusher.

Fig. 5 is a schematic diagram of a top plate of an iron removal device for a crawler-type sand crusher.

Fig. 6 is a schematic diagram of the arrangement of rollers at the upper end of a feeler lever of an iron removing device for a crawler-type sand crusher.

Description of the drawings: the device comprises a crawler-type moving mechanism 1, a fixed seat 2, a supporting plate 3, a conveying mechanism 4, a mounting frame 41, a top plate 42, a transverse plane 4201, a bevel plane 4202, a rotating shaft 43, a conveying wheel 44, a conveying belt 45, a large gear 46, a fixed plate 47, a double-head motor 48, a rotating shaft rod 49, a large gear 410, a chain wheel 411, a deironing mechanism 5, a transverse plate 51, a vertical plate 52, a driving rod 53, a small gear 54, a guide rod 55, a threaded block 56, a shell 57, a sliding press block 58, a feeler lever 59, an electromagnet 510, a 511 touch switch 512 elastic pieces, a breaker 6, a collecting box 7, a controller 8, a reciprocating threaded rod 9, a chain wheel transmission assembly 10, a threaded cleaning block 11, brush hairs 12 and a rectangular guide rod 13.

Detailed Description

The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, or uses. It should be understood that throughout the drawings, the same or similar reference numerals indicate the same or similar parts and features. The drawings merely schematically illustrate the concepts and principles of embodiments of the disclosure and do not necessarily illustrate the specific dimensions and proportions of the various embodiments of the disclosure. Specific details or structures may be shown in exaggerated form in particular figures to illustrate related details or structures of embodiments of the present disclosure.

Referring to fig. 1-6:

example 1

The utility model provides an deironing device for crawler-type grit breaker, is located fixing base 2 of breaker 6 one side including fixed mounting on crawler-type moving mechanism 1, and the top of fixing base 2 is fixed with backup pad 3, is fixed with the conveying mechanism 4 that is used for the interior feed of breaker 6 in the backup pad 3, and installs the deironing mechanism 5 of being connected with conveying mechanism 4 linkage on the conveying mechanism 4, under conveying mechanism 4's effect, deironing mechanism 5 reciprocating motion removes the iron to the material.

In addition, conveying mechanism 4 includes that the cross section shape is the installing frame 41 of U-shaped, and the top of installing frame 41 is fixed with roof 42, and the inboard of installing frame 41 is rotated along length direction and is installed a plurality of pivots 43, all fixed cover in a plurality of pivots 43 is equipped with the transfer wheel 44 that is located installing frame 41, is connected with conveyer belt 45 on the transmission of a plurality of transfer wheels 44, and one side of installing frame 41 is provided with the actuating mechanism who is used for driving conveyer belt 45 to periodically pause and drive deironing mechanism 5 work.

Further, the driving mechanism comprises a fixing plate 47 fixed at the bottom of the top plate 42 and located at one side of the mounting frame 41, a double-headed motor 48 is fixed on the fixing plate 47, one output end of the double-headed motor 48 is fixedly provided with a rotating shaft rod 49 rotatably mounted between the fixing plate 47 and the mounting frame 41, a large-notch gear 410 is fixedly sleeved on the rotating shaft rod 49, the large-notch gear 410 is periodically meshed with a large gear 46, the large gear 46 is fixedly sleeved at the end part of one rotating shaft 43, the end part of each rotating shaft 43 is fixedly sleeved with a chain wheel 411, and a plurality of chain wheels 411 are in transmission connection through the same chain.

The iron removing mechanism 5 includes a cross plate 51 fixed on one side of the mounting frame 41 far away from the fixing plate 47, a vertical plate 52 is fixed on the top of the cross plate 51, the top of the vertical plate 52 is fixed with the bottom of the top plate 42, a driving rod 53 is rotatably mounted in the mounting frame 41, both ends of the driving rod 53 penetrate out of the mounting frame 41 and are respectively rotatably connected with the vertical plate 52 and the fixing plate 47, a pinion 54 is fixed on one end of the driving rod 53 close to the fixing plate 47, the pinion 54 is periodically meshed with the notch gear 410, reciprocating threads are arranged on the driving rod 53 along the length direction, an internal thread block 56 capable of transversely moving is connected on the reciprocating threads, an adsorption mechanism for adsorbing iron is arranged on the internal thread block 56, and a linear guide mechanism is arranged on the internal thread block 56. Preferably, the linear guide mechanism includes a guide rod 55 penetrating the passage, one end of the guide rod 55 is fixed to the riser 52, and the other end of the guide rod 55 is fixed to the corresponding inner side wall of the mounting frame 41, and the guide rod 55 is disposed in parallel with the driving rod 53. Specifically, the cross-sectional shape of the guide bar 55 is circular.

In this embodiment, the adsorption mechanism includes a casing 57 fixed in internal thread piece 56 one side, the bottom of casing 57 is fixed with electro-magnet 510, the inboard sliding fit of casing 57 has a slip briquetting 58, the bottom of slip briquetting 58 is provided with the touch switch 511 of being connected with electro-magnet 510 electricity, the top of slip briquetting 58 is fixed with the feeler lever 59 that the upper end activity was worn out casing 57, be fixed with a plurality of elastic components between the bottom of slip briquetting 58 and the bottom inner wall of casing 57, the gyro wheel is installed in the upper end rotation of feeler lever 59, be provided with the track subassembly that is used for leading to the gyro wheel on the roof 42. The track assembly comprises a transverse plane 4201 and a diagonal plane 4202 disposed at the bottom of the top plate 42. It should be noted that, the transverse plane 4201 is straight, and the inclined plane 4202 is inclined, and when the roller moves to the inclined plane 4202, the roller and the sliding block 58 move upward under the action of the elastic member, so that the sliding block 58 is separated from the touch switch 511. The mounting frame 41 is provided with a passage for passing the power supply magnet 510 and the female screw block 56 on one side near the riser 52, and the driving rod 53 penetrates the passage. The transverse plate 51 is provided with a collection box 7 located on one side of the mounting frame 41 for collecting the material dropped on the electromagnet 510.

In particular. The controller 8 is fixed to the front side of the riser 52, and the double-headed motor 48 is electrically connected to the output end of the controller 8. The elastic member 512 is a spring, and its original length is larger than the inner height of the housing 57, and by such arrangement, when the sliding press block 58 moves above the collection box 7, the sliding press block 58 is separated from the touch switch 511 under the action of the elastic member 512.

Preferably, the device further comprises a lower reciprocating threaded rod 9 which is rotatably arranged in the mounting frame 41 and is positioned below the conveying belt 45, one end of the lower reciprocating threaded rod 9 penetrates out of the mounting frame 41 and is rotatably connected with the lower portion of the fixed plate 47, the other output end of the double-headed motor 48 is in transmission connection with the lower reciprocating threaded rod 9 through the sprocket transmission assembly 10, the lower reciprocating threaded rod 9 is in threaded connection with an internal thread cleaning block 11, bristles 12 which are in contact with the conveying belt 45 are uniformly distributed on the top of the internal thread cleaning block 11, and a rectangular guide rod 13 which is parallel to the lower reciprocating threaded rod 9 and movably penetrates through the internal thread cleaning block 11 is fixed on the lower portion of the mounting frame 41. The fixing plate 47 and the mounting frame 41 are respectively provided with a mounting hole which is matched with the lower reciprocating threaded rod 9 in size, and the lower reciprocating threaded rod 9 is rotatably mounted in the mounting hole.

Specifically, the sprocket transmission assembly 10 includes the driving sprocket that is fixed in the corresponding output of double-end motor 48, and the tip of lower reciprocal threaded rod 9 is fixed with driven sprocket, and driving sprocket passes through chain drive with driven sprocket to be connected, is provided with the rectangular hole that is used for supplying rectangle guide bar 13 activity grafting on the internal thread clearance piece 11 that sets up. When the double-headed motor 48 works, the lower reciprocating threaded rod 9 continuously rotates in a linked manner, and under the action of the reciprocating threads on the lower reciprocating threaded rod, the arranged internal thread cleaning block 11 and the bristles 12 can reciprocate, so that the surface of the conveying belt 45 is cleaned. Furthermore, the cleaning can be automatically performed without manually and regularly performing the cleaning.

Working principle: when the invention is used, the double-headed motor 48 is controlled to work through the operation controller 8, the double-headed motor 48 works to drive the rotating shaft rod 49 to rotate so as to drive the large-defect gear 410 to rotate, when the large-defect gear 410 is meshed with the large gear 46, the large gear 46 rotates so as to drive the rotating shaft 43 and the conveying wheel 44 to rotate, then the conveying belt 45 rotates, sand and stone logistics on the conveying belt 45 are conveyed, iron in sand and stone is adsorbed onto the electromagnet 510 under the magnetic effect of the electromagnet 510, and when the large-defect gear 410 is disengaged from the large gear 46, the sand and stone temporarily stops moving.

And the notch gear 410 is meshed with the pinion 54, so that the pinion 54 rotates, the driving rod 53 rotates, the internal thread block 56, the feeler lever 59 and the electromagnet 510 integrally move towards the direction of the collecting box 7 under the action of the reciprocating thread on the driving rod 53, when the internal thread block moves above the collecting box 7, and the roller at the upper end of the feeler lever 59 contacts with the inclined plane 4202, under the action of the elastic piece 512, the feeler lever 59 moves upwards, so that the sliding press block 58 is separated from contact with the touch switch 511, the touch switch 511 is not pressed, at this time, the electromagnet 510 is powered off, and is nonmagnetic, and iron automatically falls into the collecting box 7 to be collected under the action of gravity.

When the driving rod 53 continues to rotate, the electromagnet 510 returns to its original position, i.e., is located above the inner side of the mounting frame 41, and the disposed transverse plane 4201 touches the roller to move downward, so that the sliding press block 58 presses on the touch switch 511, and the electromagnet 510 is energized, and iron removal is started. When the electromagnet 510 returns to the original position, the arranged notch gear 410 is disengaged from the pinion 54, and the notch gear 410 is engaged with the large gear 46 again, so that sand is driven to move again, and further conveying and deironing are performed.

The exemplary implementation of the solution proposed by the present disclosure has been described in detail hereinabove with reference to the preferred embodiments, however, it will be understood by those skilled in the art that various modifications and adaptations can be made to the specific embodiments described above and that various combinations of the technical features, structures proposed by the present disclosure can be made without departing from the scope of the present disclosure, which is defined by the appended claims.

Claims

1. The utility model provides a deironing device for crawler-type grit breaker, includes fixing base (2) that are located breaker (6) one side of fixed mounting on crawler-type moving mechanism (1), its characterized in that, the top of fixing base (2) is fixed with backup pad (3), be fixed with on backup pad (3) and be used for carrying out conveying mechanism (4) of feed in breaker (6), just install deironing mechanism (5) that are connected with conveying mechanism (4) linkage on conveying mechanism (4) under conveying mechanism (4)'s effect, deironing mechanism (5) reciprocating motion carries out the deironing to the material;

conveying mechanism (4) are including installing frame (41) that cross section shape is the U-shaped, and the top of installing frame (41) is fixed with roof (42), a plurality of pivots (43) are installed along length direction rotation to the inboard of installing frame (41), all fixed cover is equipped with transfer wheel (44) that are located in installing frame (41) on a plurality of pivots (43), and a plurality of transmission is connected with conveyer belt (45) on transfer wheel (44), one side of installing frame (41) is provided with and is used for driving conveyer belt (45) periodic stop and drives the actuating mechanism of deironing mechanism (5) work.

2. The deironing device for crawler-type sand crusher according to claim 1, characterized in that the driving mechanism comprises a fixed plate (47) fixed at the bottom of the top plate (42) and positioned at one side of the installation frame (41), a double-headed motor (48) is fixed on the fixed plate (47), one output end of the double-headed motor (48) is fixed with a rotating shaft rod (49) rotatably installed between the fixed plate (47) and the installation frame (41), a notch gear (410) is fixedly sleeved on the rotating shaft rod (49), a large gear (46) is meshed with the notch gear (410) periodically, the large gear (46) is fixedly sleeved at one end part of one rotating shaft (43), a sprocket (411) is fixedly sleeved at each end part of each rotating shaft (43), and a plurality of sprockets (411) are connected through the same chain.

3. The deironing device for crawler-type sand crusher according to claim 2, characterized in that the deironing mechanism (5) comprises a transverse plate (51) fixed on one side of a mounting frame (41) far away from a fixed plate (47), a vertical plate (52) is fixed on the top of the transverse plate (51), the top of the vertical plate (52) is fixed with the bottom of a top plate (42), a driving rod (53) is mounted in the mounting frame (41) in a rotating manner, two ends of the driving rod (53) penetrate out of the mounting frame (41) and are respectively connected with the vertical plate (52) and the fixed plate (47) in a rotating manner, one end, close to the fixed plate (47), of the driving rod (53) is fixedly provided with a pinion (54), the pinion (54) is meshed with a notch gear (410) periodically, a reciprocating thread is arranged on the driving rod (53) along the length direction, an internal thread block (56) capable of transversely moving is connected with the reciprocating thread, an adsorption mechanism for adsorbing iron is arranged on the internal thread block (56), and a linear guide mechanism is arranged on the internal thread block (56).

4. The deironing device for crawler-type sand crusher according to claim 3, characterized in that the adsorption mechanism comprises a shell (57) fixed on one side of an internal thread block (56), an electromagnet (510) is fixed at the bottom of the shell (57), a sliding press block (58) is slidably matched with the inner side of the shell (57), a touch switch (511) electrically connected with the electromagnet (510) is arranged at the bottom of the sliding press block (58), a feeler lever (59) with the upper end movably penetrating out of the shell (57) is fixed at the top of the sliding press block (58), a plurality of elastic pieces are fixed between the bottom of the sliding press block (58) and the inner wall of the bottom of the shell (57), rollers are rotatably mounted at the upper end of the feeler lever (59), and a track assembly for guiding the rollers is arranged on the top plate (42).

5. The deironing device for a crawler-type sand crusher according to claim 4, wherein the rail assembly comprises a transverse plane (4201) and a diagonal plane (4202) arranged at the bottom of the top plate (42), the transverse plane (4201) is arranged straight, the diagonal plane (4202) is arranged obliquely, and when the roller moves to the diagonal plane (4202), the roller and the sliding press block (58) move upwards under the action of the elastic element to separate the sliding press block (58) from the touch switch (511).

6. A device for removing iron for a crawler-type sand crusher according to any one of claims 3 to 5, characterized in that the side of the mounting frame (41) close to the riser (52) is provided with a passage for passing through the electromagnet (510) and the internally threaded block (56), and the driving rod (53) passes through the passage.

7. The deironing device for a crawler-type sand crusher according to claim 6, wherein the linear guide mechanism comprises a guide rod (55) penetrating through a channel, one end of the guide rod (55) is fixed with a vertical plate (52), the other end of the guide rod (55) is fixed with a corresponding inner side wall of a mounting frame (41), and the guide rod (55) is arranged in parallel with a driving rod (53).

8. The deironing device for a crawler-type sand crusher according to claim 4, characterized in that the cross plate (51) is provided with a collecting box (7) which is positioned at one side of the mounting frame (41) and is used for collecting materials falling from the electromagnet (510).

9. The deironing device for a crawler-type sand crusher according to claim 2, further comprising a lower reciprocating threaded rod (9) which is rotatably arranged in the mounting frame (41) and is positioned below the conveying belt (45), wherein one end of the lower reciprocating threaded rod (9) penetrates out of the mounting frame (41) and is rotatably connected with the lower part of the fixing plate (47), the other output end of the double-headed motor (48) is in transmission connection with the lower reciprocating threaded rod (9) through a sprocket transmission assembly (10), the upper thread of the lower reciprocating threaded rod (9) is connected with an internal thread cleaning block (11), bristles (12) which are in contact with the conveying belt (45) are uniformly distributed at the top of the internal thread cleaning block (11), and a rectangular guide rod (13) which is parallel to the lower reciprocating threaded rod (9) and movably penetrates through the internal thread cleaning block (11) is fixed at the lower part of the mounting frame (41).