CN116159657B - Ore metal separation breaker - Google Patents

Abstract

The invention discloses an ore metal separation crushing device, which relates to the technical field of ore crushing equipment and comprises a support frame, wherein a crushing mechanism for crushing ores is arranged above the support frame, a conveying belt for conveying the ores is arranged on one side of the crushing mechanism, a pre-crushing mechanism for crushing the ores is arranged above the crushing mechanism, the pre-crushing mechanism comprises a pre-crushing box for storing the ores, a knocking block for crushing the ores, a driving oil cylinder for driving the knocking block to lift, a filter plate for allowing the crushed ores to pass through and a discharge assembly for conveying the metals in the ores out of the pre-crushing box, the knocking block and the filter plate are both positioned in the pre-crushing box, the filter plate is horizontally arranged, the knocking block is positioned right above the filter plate, and the discharge assembly is connected with the pre-crushing box. The application has the effect of improving crushing apparatus life.

Description

Ore metal separation breaker

Technical Field

The application relates to the technical field of ore crushing equipment, in particular to an ore metal separation crushing device.

Background

At present, ores are stone blocks which are extracted from mines and contain a certain valuable mineral, the ores are subjected to step-by-step processing such as crushing, grinding and the like and can be applied to engineering fields such as metal mines, metallurgical industry, chemical industry, building industry, iron (highway) construction units, cement industry, sand and stone industry and the like, wherein before the ores are put into production, the ores are often required to be crushed, and different fields are used for selecting the sizes of the ores, so that screening is often required after the ores are crushed for use.

The related art can refer to Chinese patent publication No. CN217341575U and discloses an ore metal separation crushing device, which comprises a metal separation box, wherein a lower crushing box is arranged at the top of the metal separation box, an upper crushing box is arranged at the top of the outer end of the lower crushing box, two groups of crushing rollers are arranged in the upper crushing box, an upper cavity and a lower cavity are arranged in the lower crushing box, an upper through hole communicated with the upper crushing box and a lower through hole communicated with the lower cavity are respectively arranged at the top of the bottom wall and the side wall of the upper cavity, a filter material screen plate is arranged in the lower through hole, an annular leakage screen plate communicated with the metal separation box is arranged at the inner bottom wall of the lower cavity, and a driving motor is arranged at the top end of the lower crushing box.

To above-mentioned related art, when using above-mentioned breaker to carry out the breakage to the ore, mix with great metal in the ore, the ore adheres to the metal surface, is difficult for selecting the ore that contains great metal when the initial stage screening ore, when the ore that contains great metal gets into crushing equipment and smashes, the metal is difficult for smashing, and the metal is easy to cause the damage to crushing equipment simultaneously, has reduced crushing equipment's life.

Disclosure of Invention

In order to improve crushing equipment's life, this application provides an ore metal separation breaker.

The application provides an ore metal separation breaker adopts following technical scheme:

the utility model provides an ore metal separation breaker, includes the support frame, the top of support frame is equipped with the crushing mechanism who is used for smashing the ore, one side of crushing mechanism is equipped with the conveyer belt that is used for carrying the ore, the top of crushing mechanism is equipped with the pre-crushing mechanism who is used for the ore to smash, the pre-crushing mechanism is including the pre-crushing case that is used for storing the ore, the piece of beating that is used for smashing the ore, a driving cylinder that is used for driving to beat the piece and goes up and down, a filter that is used for smashing the back ore to pass through and a discharge assembly that is used for carrying out the pre-crushing case with metal in the ore, beat piece and filter and all be located the pre-crushing case, the filter level sets up, beat the piece and be located directly over the filter, discharge assembly is connected with the pre-crushing case.

Through adopting above-mentioned technical scheme, the conveyer belt carries the ore to the pre-crushing incasement, and the ore falls to the top of filter, and the driving cylinder drive beats the piece and descends, beats the piece and beats the ore, beats big ore into little piece ore, knocks the outside ore of metal off simultaneously, and the ore passes through the filter and carries crushing mechanism in, and then the crushing mechanism of being convenient for smashes little ore, is favorable to improving crushing efficiency. After the small-size ore passes through the filter, the big piece of metal is stored to the filter top, and the discharge subassembly discharges the metal and smashes the case in advance, and then is favorable to reducing crushing mechanism and carries out kibbling operation to the metal, is favorable to reducing the phenomenon that crushing mechanism damaged, has improved the device's life.

Optionally, the discharge assembly includes the push pedal that is used for promoting the metal out the pre-crushing case and is used for driving the horizontal sideslip of push pedal promote the cylinder body of promotion cylinder and is connected with the pre-crushing case, promotes the cylinder piston rod and passes the one end of pre-crushing case and be connected with the push pedal, and the discharge port that is used for metal discharge has been seted up to one side of pre-crushing case.

Through adopting above-mentioned technical scheme, after the ore passes through the filter, start the promotion cylinder, the piston rod of promotion cylinder stretches, drives the push pedal sideslip, and the push pedal is released the discharge port with the metal of filter top, and then makes the process of getting rid of the metal more convenient.

Optionally, the outside of beating the piece is equipped with connecting frame, connecting frame sliding connection in the inboard of pre-crushing case, and actuating cylinder's piston rod is connected with connecting frame, and connecting frame is equipped with the driving piece that is used for driving the filter and goes up and down.

Through adopting above-mentioned technical scheme, the connecting frame drives and beats the piece and beat the ore, and when the connecting block descends, drive the filter through the driving piece and rise, and then be favorable to reducing when beating the ore, the phenomenon that the ore fragment splashes through the discharge port.

Optionally, the driving piece is including the installing frame that is used for connecting the filter, two stopper and two sets of drive assembly that are used for restricting the filter and take place the slope, installing frame connects in the outside of filter, installing frame sliding connection is in the inboard of pre-crushing case, two stopper respectively fixed connection in installing frame's both sides, the stopper is embedded with in the pre-crushing case, drive assembly includes the initiative rack, driven rack and rotation gear, initiative rack fixed connection is in the both sides of linking frame, the vertical setting of initiative rack, rotation gear rotates with the pre-crushing case to be connected, initiative rack meshing is in one side of rotation gear, driven rack meshing is in the opposite side of rotation gear, driven rack is vertical to be set up, driven rack's lower extreme and stopper fixed connection, initiative rack and driven rack are all embedded in the pre-crushing incasement side.

Through adopting above-mentioned technical scheme, installing frame connects the filter, and the stopper makes the filter be in the horizontality all the time, strikes the piece when descending, and connecting frame drives the initiative rack and descends, and the initiative rack drives and rotates the gear rotation, rotates the gear and drives driven rack and rise, and driven rack drives the filter and rises to the top of conveyer belt, and then breaks the ore again, is favorable to reducing the phenomenon of splashing from conveyer belt and discharge port when broken.

Optionally, a plurality of recesses have been seted up to the lower terminal surface of beating the piece, beat the piece and be equipped with the grinding roller that is used for grinding the ore, grinding roller rotation is connected in the recess department of beating the piece, grinding roller and recess looks adaptation, is equipped with in the beating the piece and is used for driving grinding roller pivoted driving motor.

Through adopting above-mentioned technical scheme, strike the piece and strike when ore, the grinding roller pulverizes the ore, pulverizes roller drive ore lateral shifting simultaneously, adjusts the position of ore, and the ore of being convenient for passes through the filter, is favorable to improving the pre-crushing efficiency.

Optionally, the lower extreme of pre-crushing case is connected with the board of keeping in that is used for holding ore fragment, and the board slope of keeping in sets up, and the board of keeping in is located the below of filter, and one side that the pre-crushing case is close to the board lower extreme of keeping in has been seted up and is used for ore fragment exhaust through-hole, and the through-hole department of pre-crushing case is equipped with the delivery bucket that is used for carrying ore fragment, and the pre-crushing case is equipped with the piece of opening and close that is used for opening or closing the through-hole, and the upper end of board of keeping in is equipped with pressure sensor, and pressure sensor is connected with the actuating cylinder electricity.

Through adopting above-mentioned technical scheme, on the ore fragment drops to the temporary storage board through the filter, pressure sensor response ore's pressure, pressure sensor control drive cylinder stop work, ore fragment stop whereabouts, the pre-crushing case is opened the opening through opening and closing the piece, and the ore fragment is carried to crushing mechanism through the conveying bucket in and is smashed, and then is favorable to realizing quantitative crushing ore, and the staff of being convenient for collect the ore after smashing.

Optionally, the opening and closing piece is including being used for opening or closing the baffle of opening and two lift cylinders that are used for driving the baffle to go up and down, and the lift cylinder sets up in the pre-crushing case, and the piston rod of two lift cylinders is connected in the both sides of baffle respectively, and two lift cylinders are vertical to be set up.

Through adopting above-mentioned technical scheme, when needing to carry the ore fragment in to the crushing mechanism, start the lift cylinder, the piston rod shrink of lift cylinder drives the baffle and descends, and then opens the mouth, and the ore fragment carries to in the crushing mechanism, makes the process of quantitative transport ore more convenient.

Optionally, crushing mechanism includes crushing case, two crushing rollers that are used for smashing the ore and is used for discharging the row hopper of ore powder, and the lower extreme of delivery hopper is connected with the upper end of crushing case, and the feed inlet that is used for ore fragment to get into is seted up to the upper end of crushing case, and crushing roller rotates to be connected in crushing incasement, and two crushing rollers parallel arrangement just are located same horizontal plane, and the bin outlet has been seted up to the lower extreme of crushing case, and row hopper fixed connection is in the bin outlet department of crushing case.

Through adopting above-mentioned technical scheme, the ore fragment is carried to the crushing incasement, and crushing roller rotates, smashes the ore fragment, and the ore after smashing is discharged through the row hopper, and then makes the process of smashing the ore more convenient, carries out the row material through the row hopper simultaneously, is convenient for collect the ore.

Compared with the prior art, the invention has the beneficial effects that:

1. through setting up the pre-crushing mechanism, the conveyer belt carries the ore to the pre-crushing incasement, and the ore falls to the top of filter, and the driving cylinder drive beats the piece and descends, beats the piece and beats the ore, beats big ore into little piece ore, beats the outside ore of metal simultaneously, and the ore passes through the filter and carries crushing mechanism in, and then the crushing mechanism of being convenient for smashes little ore, is favorable to improving crushing efficiency. After the small-size ore passes through the filter, the big piece of metal is stored to the filter top, and the discharge subassembly discharges the metal and smashes the case in advance, and then is favorable to reducing crushing mechanism and carries out kibbling operation to the metal, is favorable to reducing the phenomenon that crushing mechanism damaged, has improved the device's life.

Drawings

Fig. 1 is a schematic diagram of the overall structure of an ore metal separation crushing device.

Fig. 2 is a schematic structural view of the filter plate of the present application.

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

Fig. 4 is a schematic structural view of the lifting cylinder of the present application.

Reference numerals illustrate: 1. a conveyor belt; 2. a pre-crushing mechanism; 21. a pre-crushing box; 22. knocking the block; 221. grinding rollers; 23. a driving oil cylinder; 24. a filter plate; 25. a driving member; 251. a mounting frame; 252. a limiting block; 253. a driving rack; 254. a driven rack; 255. rotating the gear; 26. a discharge assembly; 27. a connection frame; 28. a pushing cylinder; 29. a push plate; 3. a quantitative conveying mechanism; 31. a temporary storage plate; 32. a conveying hopper; 33. a pressure sensor; 34. an opening and closing member; 341. a lifting cylinder; 342. a baffle; 4. a crushing mechanism; 41. a crushing box; 42. a pulverizing roller; 43. a discharge hopper; 44. a rotating motor; 45. a protrusion; 5. and (5) supporting frames.

Description of the embodiments

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses an ore metal separation breaker.

Referring to fig. 1, an ore metal separation breaker, including conveyer belt 1, pre-crushing mechanism 2, ration conveying mechanism 3, crushing mechanism 4 and support frame 5, support frame 5 plays the supporting role to conveyer belt 1, pre-crushing mechanism 2, ration conveying mechanism 3 and crushing mechanism 4, and conveyer belt 1 carries the ore to pre-crushing mechanism 2 in carry out preliminary breakage, and ration conveying mechanism 3 is to the interior quantitative transport ore fragment of crushing mechanism 4, and crushing mechanism 4 smashes the ore fragment, is favorable to improving crushing efficiency.

Referring to fig. 1 and 2, the pre-crushing mechanism 2 includes a pre-crushing box 21, a knocking block 22, a driving cylinder 23, a filter plate 24, a driving member 25 and a discharging assembly 26, the pre-crushing box 21 is fixedly connected above the supporting frame 5, an inlet for ore to enter is formed in one side of the pre-crushing box 21, the conveying belt 1 is arranged at the inlet of the pre-crushing box 21, and the conveying belt 1 is horizontally arranged. The knocking block 22 is horizontally arranged in the pre-crushing box 21, the connecting frame 27 is fixedly connected to the outer side of the knocking block 22, the connecting frame 27 is slidably connected to the inner side of the pre-crushing box 21, the cylinder body of the driving oil cylinder 23 is fixedly connected to the upper end of the pre-crushing box 21, the piston rod of the driving oil cylinder 23 penetrates through one end of the pre-crushing box 21 to be fixedly connected with the connecting frame 27, the filter plate 24 is horizontally arranged in the pre-crushing box 21, and the filter plate 24 is located right below the knocking block 22.

Referring to fig. 1 and 2, when ore is to be pre-crushed, the conveyor belt 1 conveys the ore into the pre-crushing box 21, the ore falls onto the filter plate 24, the driving oil cylinder 23 is started, the piston rod of the driving oil cylinder 23 stretches to drive the connecting frame 27 to descend, the connecting frame 27 drives the knocking block 22 to descend, the driving oil cylinder 23 drives the knocking block 22 to descend, and the knocking block 22 knocks the ore, so that the ore is crushed.

Referring to fig. 2 and 3, the driving member 25 includes a mounting frame 251, two limiting blocks 252 and two sets of transmission components, the transmission components include a driving rack 253, a driven rack 254 and a rotating gear 255, the mounting frame 251 is fixedly connected to the outer side of the filter plate 24, the mounting frame 251 is slidably connected to the inner side of the pre-crushing box 21, the two limiting blocks 252 are respectively fixedly connected to two sides of the mounting frame 251, two sides of the connecting frame 27 are respectively fixedly connected with the two driving racks 253, the driving rack 253 is vertically arranged, the driven rack 254 is fixedly connected with the limiting blocks 252, the limiting blocks 252 are embedded in the inner side of the pre-crushing box 21, the driven rack 254 is vertically arranged, the rotating gear 255 is rotationally connected with the pre-crushing box 21, the driving rack 253 is meshed to one side of the rotating gear 255, and the driven rack 254 is meshed to the other side of the rotating gear 255.

Referring to fig. 1, fig. 2 and fig. 3, the limiting block 252 plays a limiting role on the filter plate 24, so that the filter plate 24 is always in a horizontal state, when the knocking block 22 descends, the driving rack 253 is driven to descend, the driving rack 253 drives the rotating gear 255 to rotate, the rotating gear 255 drives the driven rack 254 to ascend, the driven rack 254 drives the mounting frame 251 to ascend, the mounting frame 251 drives the filter plate 24 to ascend, at the moment, the conveying belt 1 stops conveying ores, the knocking block 22 is matched with the filter plate 24 to crush the ores into small ores, the crushing mechanism 4 pulverizes the small ores, and meanwhile, the filter plate 24 ascends to the upper part of the conveying belt 1, so that the phenomenon that the ores are splashed out through an inlet when the ores are crushed is reduced.

Referring to fig. 2, the discharging assembly 26 includes a push plate 29 for pushing metal out of the pre-crushing box 21 and a pushing cylinder 28 for driving the push plate 29 to horizontally move, a discharging port is formed on one side of the pre-crushing box 21 away from the inlet, the pushing cylinder 28 is fixedly connected to one side of the pre-crushing box 21 away from the discharging port, a piston rod of the pushing cylinder 28 passes through one end of the pre-crushing box 21 and is fixedly connected with the push plate 29, the push plate 29 is equal to the filter plate 24 in length, the push plate 29 is movably connected to the upper end face of the filter plate 24, and the pushing cylinder 28 is arranged below the conveying belt 1.

Referring to fig. 2, after the ore is crushed, the ore fragments pass through the filter plate 24, larger metal is reserved on the upper end face of the filter plate 24, the pushing cylinder 28 is started, the piston rod of the pushing cylinder 28 stretches to drive the push plate 29 to transversely move, the push plate 29 pushes the metal out of the discharge port, so that the metal entering the crushing mechanism 4 is reduced, the damage phenomenon of the crushing mechanism 4 is reduced, and the service life of the device is prolonged. When the knocking block 22 breaks up ore, the filter plate 24 rises, which is advantageous in reducing the splashing of the ore pieces from the discharge opening.

Referring to fig. 2, a plurality of grooves are formed at the lower end of the knocking block 22, the knocking block 22 is provided with a plurality of grinding rollers 221, the grinding rollers 221 are rotatably connected to the grooves of the knocking block 22, the grinding rollers 221 are matched with the grooves, a plurality of driving motors are arranged in the knocking block 22, and the output shafts of the driving motors are coaxially connected with the grinding rollers 221.

Referring to fig. 2, a driving cylinder 23 drives a knocking block 22 to descend, and when the knocking block 22 knocks the ore, a grinding roller 221 grinds the ore, and simultaneously the grinding roller 221 drives the ore to move laterally, so that the position of the ore is adjusted, the ore is facilitated to pass through a filter plate 24, and the pre-crushing efficiency is advantageously improved.

Referring to fig. 2 and 4, the quantitative conveying mechanism 3 includes a temporary storage plate 31, a conveying bucket 32, a pressure sensor 33 and an opening and closing member 34, the temporary storage plate 31 is fixedly connected to the lower end of the pre-crushing box 21, the temporary storage plate 31 is located in the pre-crushing box 21, the temporary storage plate 31 is obliquely arranged, the pressure sensor 33 is fixedly connected to the upper end of the temporary storage plate 31 and is used for sensing the pressure of ore fragments, the pressure sensor 33 is electrically connected with the driving cylinder 23, the pre-crushing box 21 is provided with a through hole, the lower end of the temporary storage plate 31 is arranged at the through hole of the pre-crushing box 21, the conveying bucket 32 is located at the outer side of the pre-crushing box 21, and the conveying bucket 32 is obliquely arranged.

Referring to fig. 2 and 4, the opening and closing member 34 includes two lifting cylinders 341 and a baffle 342, the baffle 342 is movably connected to the opening of the pre-crushing box 21, the baffle 342 is inserted into the pre-crushing box 21, the lifting cylinders 341 are vertically disposed in the pre-crushing box 21, and piston rods of the two lifting cylinders 341 are respectively and fixedly connected to two ends of the baffle 342.

Referring to fig. 2 and 4, the ore fragments fall onto the temporary storage plate 31 through the filter plate 24, the pressure sensor 33 senses the pressure of the ore fragments, when the pressure reaches a preset pressure value, the driving oil cylinder 23 stops working, the ore fragments stop falling, the lifting air cylinder 341 is started, the piston rod of the lifting air cylinder 341 contracts, the baffle 342 is driven to descend, the baffle 342 opens the through hole, the ore fragments are conveyed through the conveying hopper 32, and further the ore fragments are conveyed into the box crushing mechanism 4 quantitatively, quantitative ore crushing is facilitated, and workers collect crushed ore conveniently.

Referring to fig. 1 and 2, the crushing mechanism includes a crushing box 41, two crushing rollers 42 and a discharge hopper 43, one end of the conveying hopper 32, which is far away from the pre-crushing box 21, is fixedly connected to the upper end of the crushing box 41, the conveying hopper 32 is communicated with the crushing box 41, one side of the crushing box 41 is fixedly connected with two rotating motors 44, an output shaft of each rotating motor 44 is coaxially connected with the crushing roller 42, a plurality of protrusions 45 are fixedly connected to the outer side of the crushing roller 42, the protrusions 45 are arranged in a staggered manner, the discharge hopper 43 is fixedly connected to the lower end of the crushing box 41, and the discharge hopper 43 is communicated with the crushing box 41.

Referring to fig. 1 and 2, the crushed ore is conveyed into the crushing box 41 through the conveying hopper 32, the rotating motor 44 is started, the output shaft of the rotating motor 44 drives the crushing roller 42 to rotate, the crushing roller 42 is matched with the protrusions 45 to crush the crushed ore, and crushed ore is discharged through the discharge hopper 43 so as to be convenient for collecting the ore.

Working principle: when the ore needs to be pre-crushed, the conveying belt 1 conveys the ore into the pre-crushing box 21, the ore falls onto the filter plate 24, the driving oil cylinder 23 is started, the piston rod of the driving oil cylinder 23 stretches to drive the connecting frame 27 to descend, the connecting frame 27 drives the knocking block 22 to descend, when the knocking block 22 descends, the driving rack 253 is driven to descend, the driving rack 253 drives the rotating gear 255 to rotate, the rotating gear 255 drives the driven rack 254 to ascend, the driven rack 254 drives the mounting frame 251 to ascend, the mounting frame 251 drives the filter plate 24 to ascend, at the moment, the conveying belt 1 stops conveying the ore, the knocking block 22 is matched with the filter plate 24 to crush the ore into small blocks, meanwhile, the driving motor is started, the driving motor drives the grinding roller 221 to rotate, the grinding roller 221 grinds the ore, meanwhile, the grinding roller 221 drives the ore to transversely move, and the position of the ore is adjusted.

The ore fragments fall onto the temporary storage plate 31 through the filter plate 24, the pressure sensor 33 senses the pressure of the ore fragments, when the pressure reaches a preset pressure value, the driving oil cylinder 23 stops working, the ore fragments stop falling, the lifting air cylinder 341 is started, the piston rod of the lifting air cylinder 341 contracts, the baffle 342 is driven to descend, the baffle 342 opens the through hole, the ore fragments are conveyed into the crushing box through the conveying hopper 32, the rotating motor 44 is started again, the output shaft of the rotating motor 44 drives the crushing roller 42 to rotate, and the crushing roller 42 is matched with the protrusion 45 to crush the ore fragments.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (7)

1. The utility model provides an ore metal separation breaker, includes support frame (5), its characterized in that: the utility model provides a crushing mechanism (4) that is used for smashing ore is equipped with to the top of support frame (5), one side of crushing mechanism (4) is equipped with conveyer belt (1) that is used for carrying ore, the top of crushing mechanism (4) is equipped with and is used for the broken pre-crushing mechanism (2) of ore, pre-crushing mechanism (2) are including being used for storing the pre-crushing case (21) of ore, be used for the knocking piece (22) of broken ore, a driving cylinder (23) that is used for driving knocking piece (22) to go up and down, be used for the filtering board (24) that the ore passed through after smashing and be used for carrying out the discharging subassembly (26) of pre-crushing case (21) with metal in the ore, knocking piece (22) and filtering board (24) all are located pre-crushing case (21), filtering board (24) level sets up, knocking piece (22) are located directly over filtering board (24), discharging subassembly (26) are connected with pre-crushing case (21), a plurality of recesses have been seted up to the lower terminal surface of knocking piece (22), grinding roller (221) are equipped with grinding roller (221) that are used for grinding ore, grinding roller (221) rotate and are connected in the recess department that knocking piece (22) is equipped with driving roller (221).

2. An ore metal separation and crushing device according to claim 1, wherein: the discharging assembly (26) comprises a push plate (29) for pushing metal out of the pre-crushing box (21) and a pushing cylinder (28) for driving the push plate (29) to horizontally move, a cylinder body of the pushing cylinder (28) is connected with the pre-crushing box (21), a piston rod of the pushing cylinder (28) penetrates through one end of the pre-crushing box (21) to be connected with the push plate (29), and a discharging port for discharging metal is formed in one side of the pre-crushing box (21).

3. An ore metal separation and crushing device according to claim 1, wherein: the outside of beating piece (22) is equipped with connecting frame (27), and connecting frame (27) sliding connection is in the inboard of pre-crushing case (21), and the piston rod of actuating cylinder (23) is connected with connecting frame (27), and connecting frame (27) are equipped with and are used for driving piece (25) that filter (24) goes up and down.

4. A mineral metal separation breaker according to claim 3, wherein: the driving piece (25) comprises a mounting frame (251) used for connecting the filter plate (24), two limiting blocks (252) used for limiting the filter plate (24) to incline and two groups of transmission components, the mounting frame (251) is connected to the outer side of the filter plate (24), the mounting frame (251) is connected to the inner side of the pre-crushing box (21) in a sliding mode, the two limiting blocks (252) are respectively fixedly connected to the two sides of the mounting frame (251), the limiting blocks (252) are embedded in the pre-crushing box (21), the transmission components comprise a driving rack (253), a driven rack (254) and a rotating gear (255), the driving rack (253) is fixedly connected to the two sides of the connecting frame (27), the driving rack (253) is vertically arranged, the rotating gear (255) is connected with the pre-crushing box (21) in a rotating mode, the driving rack (253) is meshed to one side of the rotating gear (255), the driven rack (254) is meshed to the other side of the rotating gear (255), the driven rack (254) is vertically arranged, the lower ends of the driven rack (254) are fixedly connected to the limiting blocks (252), and the driving rack (253) and the driven rack (254) are embedded in the inner side of the pre-crushing box (21).

5. An ore metal separation and crushing device according to claim 1, wherein: the lower extreme of pre-crushing case (21) is connected with temporary storage plate (31) that are used for holding ore fragments, temporary storage plate (31) slope setting, temporary storage plate (31) are located the below of filter (24), one side that pre-crushing case (21) is close to temporary storage plate (31) lower extreme has been seted up and is used for ore fragment exhaust through-hole, the through-hole department of pre-crushing case (21) is equipped with conveying bucket (32) that are used for carrying ore fragments, pre-crushing case (21) are equipped with opening and close piece (34) that are used for opening or closing the through-hole, the upper end of temporary storage plate (31) is equipped with pressure sensor (33), pressure sensor (33) are connected with driving cylinder (23) electricity.

6. An ore metal separation and crushing device according to claim 5, wherein: the opening and closing piece (34) comprises a baffle (342) for opening or closing a through hole and two lifting cylinders (341) for driving the baffle (342) to lift, the lifting cylinders (341) are arranged in the pre-crushing box (21), piston rods of the two lifting cylinders (341) are respectively connected to two sides of the baffle (342), and the two lifting cylinders (341) are vertically arranged.

7. An ore metal separation and crushing device according to claim 5, wherein: crushing mechanism (4) are including broken case (41), two crushing roller (42) that are used for smashing the ore and be used for discharging row hopper (43) of ore powder, the lower extreme of delivery hopper (32) is connected with the upper end of broken case (41), the feed inlet that is used for the ore fragment to get into is seted up to the upper end of broken case (41), crushing roller (42) rotate and connect in broken case (41), two crushing roller (42) parallel arrangement just are located same horizontal plane, the bin outlet has been seted up to the lower extreme of broken case (41), bin outlet (43) fixed connection is in the bin outlet department of broken case (41).

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