CN110893378B

CN110893378B - Magnetic separator

Info

Publication number: CN110893378B
Application number: CN201811061486.4A
Authority: CN
Inventors: 吴宇
Original assignee: Taizhou Xinyu Copper Industry Co ltd
Current assignee: Taizhou Xinyu Copper Industry Co ltd
Priority date: 2018-09-12
Filing date: 2018-09-12
Publication date: 2021-12-07
Anticipated expiration: 2038-09-12
Also published as: CN110893378A

Abstract

The invention discloses a magnetic separator, and relates to the field of copper bar production and processing. This magnet separator includes the base, the support frame, sliding connection has the workbin on the support frame, be provided with reset spring between base and the workbin, the discharge end department of workbin is provided with the switch portion of the ejection of compact of control workbin, be provided with the supporting seat that is located workbin discharge end below on the base, it is connected with the electromagnetism roller to rotate on the supporting seat, be provided with iron fillings case and the copper workbin that is located the electromagnetism roller below on the base, be provided with the switch that control switch portion opened and close and the electromagnetism roller circular telegram, be provided with the drive division that the drive switch opened and close on the workbin. The invention has the following advantages and effects: the electromagnetic roller is arranged to replace the traditional permanent magnet roller, so that the material removing process of the magnetic substance is more thorough; copper powder is screened by a full-automatic magnetic separator, and an electromagnetic roller for automatically cutting off and stripping is arranged, so that the magnetic separation speed of the copper powder is greatly improved, and the effects of improving the magnetic separation effect and the magnetic separation efficiency are further achieved.

Description

Magnetic separator

Technical Field

The invention relates to the field of copper bar production and processing, in particular to a magnetic separator.

Background

In the production process of the copper bar, the copper powder needs to be screened by a magnetic separator to remove magnetic substances in the copper powder, so that the influence on the quality of the copper bar caused by excessive magnetic substances is avoided. The magnetic separator is suitable for separating substances with magnetic differences, is widely applied to the wood industry, the mining industry, the metallurgical industry and the like, and is one of the most widely used machines in the industry with high universality.

Chinese patent with publication number CN103785528B discloses a refine-improving and slag-reducing magnetic separator, which comprises a downstream tank and a permanent magnet drum arranged in the tank in a rotating manner, the rotating direction of the permanent magnet drum is opposite to the ore entering direction of ore pulp, a fixed magnetic system is arranged in the permanent magnet drum, the ore entering side of the tank is connected with a tubular ore feeding box, a plurality of rinsing water pipes are arranged at the upstream position in the tank, the rinsing water pipes are arranged at the outer side of the permanent magnet drum and are located above the liquid level of the ore pulp in the tank, a plurality of strip-shaped magnetic conductive sheets are arranged on the inner wall of the permanent magnet drum at intervals, and two layers of discharging scrapers are arranged on the ore discharging side of the magnetic separator.

When utilizing above-mentioned magnet separator to filter the copper powder, adsorb magnetic substance through the permanent magnetism cylinder, the magnetic substance on the rethread scraper blade of unloading will permanent magnetism cylinder strikes off. The magnetic materials on the permanent magnet roller can not be thoroughly scraped, so that the magnetic separation effect is reduced, and meanwhile, the magnetic separation process of the magnetic materials is complicated and complex, the efficiency is low, and the improvement is needed.

Disclosure of Invention

The invention aims to provide a magnetic separator which has the effect of improving the magnetic separation effect and the magnetic separation efficiency.

The technical purpose of the invention is realized by the following technical scheme: the utility model provides a magnetic separator, include the base, set up in support frame on the base, sliding connection has the edge on the support frame direction of height gliding workbin, the up end of base with be provided with reset spring between the lower terminal surface of workbin, the discharge end position of workbin is provided with control the switch portion of the workbin ejection of compact, be provided with the supporting seat on the base, the supporting seat is located the below of workbin discharge end, it is connected with the electromagnetism roller to rotate on the supporting seat, be provided with on the base and be located iron fillings case of electromagnetism roller below, be located the copper workbin at iron fillings case rear, be provided with control on the base the switch portion is opened and close and control the switch of electromagnetism roller circular telegram or outage, the lower terminal surface of workbin is provided with the drive division that the switch was opened and close.

Through adopting above-mentioned technical scheme, when using above-mentioned magnet separator to carry out the magnetic separation to the copper powder, earlier with copper powder loading incasement, the gravity of copper powder self is pressed and is moved workbin and drive division downstream this moment, and the workbin is pressed and is moved reset spring compression. When the workbin downstream, the switch circular telegram is driven to the drive division drive switch of terminal surface under the workbin, and switch portion opens this moment, and the copper powder in the workbin discharges to electromagnetism roller outer wall, and electromagnetism roller circular telegram simultaneously for the electromagnetism roller possesses magnetism, and the electromagnetism roller adsorbs magnetic substance this moment, and under the effect of centrifugal force, and pure copper powder is thrown away and is collected in falling to the copper workbin. When the copper powder in the material box is gradually reduced, the material box and the driving part are pushed to move upwards by the resilience force of the reset spring, the material box, the driving part and the disconnecting link are all at initial positions after the copper powder in the material box is discharged, namely, the disconnecting link is in a disconnected state, the switching part is in a closed state, the electromagnetic roller is in a power-off state, and at the moment, all magnetic substances on the electromagnetic roller fall into the scrap iron box to finish collection, namely, the magnetic separation of the copper powder is finished. The electromagnetic roller is arranged to replace the traditional permanent magnet roller, so that the material removing process of the magnetic substance is more thorough; copper powder is screened by a full-automatic magnetic separator, and an electromagnetic roller for automatically cutting off and stripping is arranged, so that the magnetic separation speed of the copper powder is greatly improved, and the effects of improving the magnetic separation effect and the magnetic separation efficiency are further achieved.

The invention is further provided with: the base is provided with a supporting rod located below the material box, and the supporting rod is provided with a supporting plate used for abutting against the lower end face of the material box.

Through adopting above-mentioned technical scheme, through the maximum displacement distance that sets up backup pad restriction workbin, avoid the copper powder in the workbin too much to lead to drive division or switch to appear damaging, the backup pad can play fine buffering effect simultaneously, further avoids drive division or switch to damage, has improved the life of magnet separator, has improved the stability of magnetic separation process simultaneously.

The invention is further provided with: the driving part comprises a box body covered outside the disconnecting link and a sliding rod connected with the box body in a sliding mode, the lower end of the sliding rod is hinged to a handle of the disconnecting link, and the upper end of the sliding rod is hinged to the lower end face of the material box.

By adopting the technical scheme, when the material box moves downwards, the material box drives the sliding rod to slide downwards, and the sliding rod pushes the disconnecting link to rotate downwards at the moment until the disconnecting link is in a closed state, so that the power-on of the disconnecting link part is completed. When the workbin moves upwards, the workbin drives the sliding rod to slide upwards, the sliding rod pulls the disconnecting link to rotate upwards at the moment, and the disconnecting link is powered off until the disconnecting link is in a disconnected state.

The invention is further provided with: the switch part comprises a cross beam arranged on the upper end face of the material box, an air cylinder arranged on the cross beam and a sealing plate arranged on the inner wall of the material box and used for sealing the discharge end of the material box, and a piston rod of the air cylinder is fixed on the upper end face of the sealing plate.

By adopting the technical scheme, when the disconnecting link is in a power-on state, the piston rod of the air cylinder retracts and drives the sealing plate to move upwards, the discharge end of the material box is gradually opened at the moment, and the material box starts to discharge materials. When the disconnecting link is in a broken line state, the piston rod of the air cylinder extends and drives the sealing plate to move downwards, the discharging end of the material box is sealed by the sealing plate at the moment, the material box stops discharging, the structure of the switch part is simple, and the opening and closing process of the material box is convenient and fast.

The invention is further provided with: the inner wall of the material box is provided with a plurality of guide rings for the piston rods of the air cylinders to be embedded in a sliding mode.

Through adopting above-mentioned technical scheme, through setting up the direction of motion of the piston rod of guide ring restriction cylinder, avoid taking place to rock or deflect in the switch portion working process, and then improved the stability that switch portion opened and close the process.

The invention is further provided with: the bottom wall of the feed box is provided with a boosting plate, one side of the boosting plate, which is close to the discharge end of the feed box, is hinged to the bottom wall of the feed box, and a plurality of boosting springs are arranged between the lower end face of the other side of the boosting plate and the bottom wall of the feed box.

Through adopting above-mentioned technical scheme, when the copper powder loading incasement, the gravity of copper powder self is pressed and is moved the boosting board and drive the compression of boosting spring, and when the copper powder reduces gradually, the boosting spring extension promoted the boosting board and rotates along articulated department, and the boosting board is the slope form this moment and towards the discharge end of workbin, and then has accelerated the sliding speed of copper powder, has improved the ejection of compact speed of workbin, has improved the work efficiency of whole magnet separator simultaneously.

The invention is further provided with: the discharge end position of workbin is provided with the orientation the baffle box that the electromagnetism roller direction set up, the baffle box is including being fixed in the first cell body, the upper end sliding connection of workbin discharge end in first cell body and lower extreme are used for conflicting the second cell body of electromagnetism roller outer wall, be provided with the confession on the first cell body the sliding tray of embedding is slided to the second cell body, the sliding tray diapire in be provided with the answer spring between the second cell lateral wall.

Through adopting above-mentioned technical scheme, when the workbin downstream, the second cell body is contradicted in the electromagnetism roller outer wall, and the electromagnetism roller is pressed and is moved the inside slip groove of second cell body along the first cell body and slide this moment, and the second cell body is pressed and is moved the return spring compression simultaneously. When the workbin upward movement, the answer spring extends and promotes the second cell body and outwards slides for the second cell body is contradicted in the electromagnetism roller outer wall always, and then makes when carrying out the magnetic separation to the copper powder, and the copper powder can the landing all the time to the electromagnetism mixes the outer wall, and then avoids the copper powder phenomenon that flies apart to appear, has reduced the waste of copper powder.

The invention is further provided with: the copper material box is provided with a material guide plate which is arranged towards the electromagnetic roller, and one end of the material guide plate, which is obliquely arranged and close to the electromagnetic roller, is higher than the other end of the material guide plate.

Through adopting above-mentioned technical scheme, bear pure copper powder through setting up the stock guide, avoid pure copper powder to appear splashing the phenomenon to make pure copper powder can be along the regular slip of same direction to the copper workbin in, improved the magnetic separation effect of magnet separator.

The invention is further provided with: the iron fillings case with the lateral wall of copper workbin all is provided with shock dynamo, the iron fillings case with the lower terminal surface of copper workbin all is provided with the locating lever, be provided with the confession on the base the locating hole that the locating lever was pegged graft.

Through adopting above-mentioned technical scheme, when magnetic material and pure copper powder are collected respectively to iron fillings case and copper workbin, the material in iron fillings case and the copper workbin often can appear the centre high and shape low all around, drive iron fillings case and copper workbin vibrations through shock dynamo this moment, vibrate the material in iron fillings case and the copper workbin, make the material by smooth collection in iron fillings case and copper workbin, and then avoid magnetic material and pure copper powder to appear spilling over the phenomenon when collecting, the storage space of iron fillings case and copper workbin has been increased simultaneously. And realize the spacing fixed of iron fillings case and copper workbin through setting up locating lever grafting locating hole, the slip phenomenon appears when avoiding iron fillings case and copper workbin vibrations, has improved the stability when iron fillings case and copper workbin collect the material.

In conclusion, the invention has the following beneficial effects:

1. the electromagnetic roller is arranged to replace the traditional permanent magnet roller, so that the material removing process of the magnetic substance is more thorough; copper powder is screened by a full-automatic magnetic separator, and an electromagnetic roller for automatically cutting off power and stripping materials is arranged, so that the magnetic separation speed of the copper powder is greatly improved, and the effects of improving the magnetic separation effect and the magnetic separation efficiency are further achieved;

2. the boosting plate is arranged to accelerate the sliding speed of the copper powder, so that the discharging speed of the material box is increased, and the working efficiency of the whole magnetic separator is further improved;

3. the guide groove capable of being always abutted against the outer wall of the electromagnetic roller is arranged, so that the copper powder is prevented from scattering, the waste of the copper powder is reduced, and meanwhile, the guide plate is arranged to bear the pure copper powder, so that the pure copper powder can regularly slide into a copper box along the same direction, and the magnetic separation effect of the magnetic separator is improved;

4. vibrate through the material of shock dynamo in to iron fillings case and the copper workbin for the material is by smooth collection in iron fillings case and copper workbin, avoids magnetic substance and pure copper powder to appear spilling over the phenomenon when collecting, has increased the storage space of iron fillings case and copper workbin simultaneously.

Drawings

FIG. 1 is a schematic structural view of an embodiment;

FIG. 2 is a schematic diagram of the connection relationship of the embodiment;

reference numerals: 1. a base; 11. a support frame; 12. a supporting seat; 13. a scrap iron box; 14. a copper bin; 15. vibrating a motor; 16. positioning a rod; 17. positioning holes; 18. a disconnecting link; 2. a material box; 21. a boosting plate; 22. a boost spring; 23. a guide ring; 3. a switch section; 31. a cross beam; 32. a cylinder; 33. a sealing plate; 4. an electromagnetic roller; 5. a material guide chute; 51. a first tank body; 52. a second tank body; 53. a sliding groove; 54. a return spring; 6. a material guide plate; 7. a return spring; 8. a support bar; 81. a support plate; 9. a drive section; 91. a box body; 92. a slide bar.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A magnetic separator comprises a base 1 and a support frame 11 arranged on the base 1, wherein a feed box 2 is arranged on the support frame 11, and a switch part 3 for controlling the discharge of the feed box 2 is arranged at the discharge end position of the feed box 2, as shown in figure 1. Be provided with supporting seat 12 on the base 1, supporting seat 12 is located the below of 2 discharge ends of workbin, rotates on the supporting seat 12 and is connected with electromagnetic roller 4, is provided with iron fillings case 13 that are located electromagnetic roller 4 below on the base 1, is located the copper workbin 14 at iron fillings case 13 rear.

As shown in fig. 1, a material guiding groove 5 is arranged at the discharge end of the material box 2 and faces the electromagnetic roller 4, a material guiding plate 6 is arranged on the copper material box 14 and faces the electromagnetic roller 4, and one end of the material guiding plate 6, which is obliquely arranged and is close to the electromagnetic roller 4, is higher than the other end of the material guiding plate.

When the magnetic separator is used for carrying out magnetic separation on copper powder, the switch part 3 is closed, the discharge end of the material box 2 is sealed by the switch part 3, then the copper powder is loaded into the material box 2, the electromagnetic roller 4 is driven to rotate by a motor (not shown in the figure), and meanwhile, the electromagnetic roller 4 is electrified.

The switch part 3 is opened, copper powder in the material box 2 slides to the material guide groove 5 and then slides to the outer wall of the electromagnetic roller 4 along the material guide groove 5, at the moment, the magnetic material is adsorbed by the magnetism of the electromagnetic roller 4, pure copper powder is thrown to the material guide plate 6 under the action of centrifugal force, and then the pure copper powder slides to the copper material box 14 along the material guide plate 6. And after the copper powder in the material box 2 is completely subjected to magnetic separation through the electromagnetic roller 4, the electromagnetic roller 4 is powered off, the electromagnetic roller 4 loses magnetism at the moment, and meanwhile, magnetic substances completely fall into the scrap iron box 13, so that the magnetic separation of the copper powder is completed.

As shown in fig. 1, the side walls of the iron chip box 13 and the copper box 14 are both provided with a vibration motor 15, the lower end surfaces of the iron chip box 13 and the copper box 14 are both provided with a positioning rod 16, and the base 1 is provided with a positioning hole 17 for the insertion of the positioning rod 16.

When iron fillings case 13 and copper workbin 14 collected magnetic substance and pure copper powder respectively, the material in iron fillings case 13 and copper workbin 14 often can appear the centre high and low shape all around, and the phenomenon of spilling over can appear in the material after collecting this moment, and then has reduced iron fillings case 13 and copper workbin 14's storage space by a wide margin. And then drive iron fillings case 13 and the vibrations of copper case 14 through shock dynamo 15, vibrate the material in iron fillings case 13 and the copper case 14 this moment for magnetic substance and pure copper powder are by smooth collection in iron fillings case 13 and copper case 14, and then avoid magnetic substance and pure copper powder to appear spilling over the phenomenon when collecting, have increased iron fillings case 13 and copper case 14's storage space simultaneously.

Simultaneously realize iron fillings case 13 and copper workbin 14 spacing fixed through setting up 16 grafting locating holes 17 of locating lever, the slip phenomenon appears when avoiding iron fillings case 13 and copper workbin 14 vibrations, stability when having improved iron fillings case 13 and copper workbin 14 collection materials.

As shown in figure 2, a boosting plate 21 is arranged on the bottom wall of the feed box 2, one side of the boosting plate 21 close to the discharge end of the feed box 2 is hinged to the bottom wall of the feed box 2, and a plurality of boosting springs 22 are arranged between the lower end face of the other side of the boosting plate 21 and the bottom wall of the feed box 2.

When copper powder is loaded into the material box 2, the boosting plate 21 is pressed by the gravity of the copper powder to drive the boosting spring 22 to compress, when the copper powder is gradually reduced, the boosting spring 22 extends to push the boosting plate 21 to rotate along the hinged part, and the boosting plate 21 is inclined and faces the discharge end of the material box 2, so that the sliding speed of the copper powder is accelerated, the discharge speed of the material box 2 is increased, and the working efficiency of the whole magnetic separator is increased.

As shown in fig. 2, the material box 2 is slidably connected to the supporting frame 11, a return spring 7 is disposed between the upper end surface of the base 1 and the lower end surface of the material box 2, a supporting rod 8 located below the material box 2 is disposed on the base 1, and a supporting plate 81 for abutting against the lower end surface of the material box 2 is disposed on the supporting rod 8. The base 1 is provided with a knife switch 18 for controlling the opening and closing of the switch part 3 and the power on or off of the electromagnetic roller 4, and the lower end surface of the feed box 2 is provided with a driving part 9 for driving the knife switch 18 to open and close.

When copper powder is loaded into the material box 2, the gravity of the copper powder presses the material box 2 to slide downwards along the support frame 11, the material box 2 presses the return spring 7 to compress, and the material box 2 does not move downwards any more until the lower end face of the material box 2 abuts against the support plate 81. When the bin 2 moves downwards, the driving part 9 on the lower end surface of the bin 2 drives the knife switch 18 to be electrified, the switch part 3 is opened, the electromagnetic roller 4 is electrified, copper powder in the bin 2 is discharged, and the electromagnetic roller 4 starts magnetic separation.

When the copper powder in the material box 2 is gradually reduced, the self resilience force of the reset spring 7 pushes the material box 2 to move upwards, at the moment, the material box 2 drives the driving part 9 to move synchronously, the driving part 9 drives the disconnecting link 18 to open and close gradually, until the copper powder in the material box 2 is completely discharged, the material box 2, the driving part 9 and the disconnecting link 18 are all at initial positions, namely, the disconnecting link 18 is in a disconnected state, the switching part 3 is in a closed state, the electromagnetic roller 4 is in a power-off state, and at the moment, the magnetic substances on the electromagnetic roller 4 automatically fall into the iron chip box 13 to finish collection.

As shown in fig. 2, the driving portion 9 includes a box 91 covering the outside of the knife gate 18, and a sliding rod 92 slidably connected to the box 91, wherein the lower end of the sliding rod 92 is hinged to the handle of the knife gate 18, and the upper end is hinged to the lower end surface of the bin 2.

When the bin 2 moves downwards, the bin 2 drives the sliding rod 92 to slide downwards, and the sliding rod 92 pushes the knife switch 18 to rotate downwards until the knife switch 18 is in a closed state, so that the partial energization of the knife switch 18 is completed. When the bin 2 moves upwards, the bin 2 drives the sliding rod 92 to slide upwards, and the sliding rod 92 pulls the knife switch 18 to rotate upwards until the knife switch 18 is in the disconnected state, so that the power failure of the knife switch 18 is completed.

As shown in fig. 2, the switch portion 3 includes a beam 31 disposed on the upper end surface of the material box 2, an air cylinder 32 disposed on the beam 31, and a sealing plate 33 disposed on the inner wall of the material box 2 and used for sealing the discharging end of the material box 2, a piston rod of the air cylinder 32 is fixed on the upper end surface of the sealing plate 33, and the inner wall of the material box 2 is provided with a plurality of guide rings 23 for the piston rod of the air cylinder 32 to be slidably inserted.

When the knife switch 18 is in the power-on state, the piston rod of the air cylinder 32 retracts and drives the sealing plate 33 to move upwards, at the moment, the discharging end of the material box 2 is gradually opened, and the material box 2 starts to discharge materials. When the disconnecting link 18 is in a wire breaking state, the piston rod of the air cylinder 32 extends and drives the sealing plate 33 to move downwards, at the moment, the sealing plate 33 seals the discharging end of the material box 2, and the material box 2 stops discharging.

As shown in fig. 2, the material guiding chute 5 includes a first chute body 51 fixed at the discharging end of the material box 2, and a second chute body 52 having an upper end slidably connected to the first chute body 51 and a lower end for contacting the outer wall of the magnetic roller 4, wherein a sliding chute 53 for slidably inserting the second chute body 52 is disposed on the first chute body 51, and a return spring 54 is disposed between the side walls of the second chute body 52 and the bottom wall of the sliding chute 53.

When the work bin 2 moves downwards, the second slot 52 abuts against the outer wall of the electromagnetic roller 4, at this time, the electromagnetic roller 4 presses the second slot 52 to slide inwards along the sliding groove 53 in the first slot 51, and simultaneously, the second slot 52 presses the return spring 54 to compress. When the material box 2 moves upwards, the return spring 54 extends and pushes the second groove body 52 to slide outwards, so that the second groove body 52 always props against the outer wall of the electromagnetic roller 4, and further when copper powder is subjected to magnetic separation, the copper powder can always slide to the outer wall of the electromagnetic roller, the copper powder is prevented from scattering, and the waste of the copper powder is reduced.

The working principle is as follows: when using above-mentioned magnet separator to carry out the magnetic separation to the copper powder, with copper powder loading into workbin 2, the workbin 2 downstream is moved to the gravity pressure of copper powder self, and the drive division 9 drive switch 18 circular telegram of terminal surface under the workbin 2 this moment, and switching part 3 opens this moment for the copper powder in the workbin 2 is discharged, and electromagnetic roller 4 circular telegram simultaneously makes electromagnetic roller 4 possess magnetism. Then the copper powder in the material box 2 slides to the outer wall of the electromagnetic roller 4, the electromagnetic roller 4 adsorbs magnetic substances, and under the action of centrifugal force, pure copper powder is thrown and falls into the copper material box 14 to be collected. Until the copper powder in the workbin 2 is all through the magnetic separation after, the resilience force of reset spring 7 self promotes workbin 2 and drive division 9 upward movement, and drive division 9 drives switch 18 and opens and shuts gradually, and switch 18 is in the off-state this moment, and switch portion 3 is in the closed condition, and electromagnetism roller 4 is in the outage state, and the magnetic material on the electromagnetism roller 4 will drop to collecting in iron fillings case 13 automatically this moment, accomplishes the magnetic separation of copper powder promptly.

The specific embodiments are only for explaining the present invention, and the present invention is not limited thereto, and those skilled in the art can make modifications without inventive contribution to the present embodiments as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. A magnetic separator is characterized in that: including base (1), set up in support frame (11) on base (1), sliding connection has the edge on support frame (11) direction of height gliding workbin (2), the up end of base (1) with be provided with reset spring (7) between the lower terminal surface of workbin (2), the discharge end position of workbin (2) is provided with control switch portion (3) of workbin (2) ejection of compact, be provided with supporting seat (12) on base (1), supporting seat (12) are located the below of workbin (2) discharge end, it is connected with electromagnetism roller (4) to rotate on supporting seat (12), be provided with on base (1) and be located iron fillings case (13) of electromagnetism roller (4) below, be located copper workbin (14) at iron fillings case (13) rear, be provided with control on base (1) switch portion (3) are opened and close and control electromagnetism roller (4) circular telegram or the outage of electricity The lower end surface of the feed box (2) is provided with a driving part (9) for driving the switch (18) to open and close; the discharge end position of workbin (2) is provided with the orientation baffle box (5) that electromagnetism roller (4) direction set up, baffle box (5) including being fixed in first cell body (51), the upper end sliding connection of workbin (2) discharge end in first cell body (51) and lower extreme are used for contradicting second cell body (52) of electromagnetism roller (4) outer wall, be provided with the confession on first cell body (51) sliding tray (53) that second cell body (52) slided the embedding, sliding tray (53) diapire in be provided with answer spring (54) between second cell body (52) lateral wall.

2. The magnetic separator recited in claim 1 wherein: be provided with on base (1) and be located workbin (2) below bracing piece (8), be provided with on bracing piece (8) and be used for conflicting terminal surface sets up backup pad (81) under workbin (2).

3. The magnetic separator recited in claim 1 wherein: the driving part (9) comprises a box body (91) covered outside the disconnecting link (18) and a sliding rod (92) connected with the box body (91) in a sliding mode, the lower end of the sliding rod (92) is hinged to a handle of the disconnecting link (18), and the upper end of the sliding rod is hinged to the lower end face of the material box (2).

4. The magnetic separator recited in claim 1 wherein: switch portion (3) including set up in crossbeam (31) of workbin (2) up end, set up in cylinder (32) on crossbeam (31) and set up in workbin (2) inner wall just is used for sealing closing plate (33) of workbin (2) discharge end, the piston rod of cylinder (32) is fixed in the up end of closing plate (33).

5. The magnetic separator recited in claim 4 wherein: the inner wall of the material box (2) is provided with a plurality of guide rings (23) for the piston rods of the air cylinders (32) to slide and be embedded.

6. The magnetic separator recited in claim 1 wherein: the diapire of workbin (2) is provided with boosting board (21), boosting board (21) are close to one side of workbin (2) discharge end articulate in workbin (2) diapire, the lower terminal surface of boosting board (21) opposite side with be provided with a plurality of boosting springs (22) between workbin (2) diapire.

7. The magnetic separator recited in claim 1 wherein: the copper material box (14) is provided with a material guide plate (6) which is arranged towards the direction of the electromagnetic roller (4), and one end of the material guide plate (6) which is obliquely arranged and is close to the electromagnetic roller (4) is higher than the other end of the material guide plate.

8. The magnetic separator recited in claim 1 wherein: iron fillings case (13) with the lateral wall of copper workbin (14) all is provided with shock dynamo (15), iron fillings case (13) with the lower terminal surface of copper workbin (14) all is provided with locating lever (16), be provided with on base (1) and supply locating hole (17) that locating lever (16) were pegged graft.