CN110142209B

CN110142209B - Sorter is used in casting of wearability steel ball

Info

Publication number: CN110142209B
Application number: CN201910447277.1A
Authority: CN
Inventors: 张琳森
Original assignee: Xuzhou Guolong Electric Power Parts Foundry Co ltd
Current assignee: Xuzhou Guolong Electric Power Parts Foundry Co ltd
Priority date: 2019-05-27
Filing date: 2019-05-27
Publication date: 2021-07-30
Anticipated expiration: 2039-05-27
Also published as: CN110142209A

Abstract

The invention discloses a separator for casting an abrasion-resistant steel ball, which comprises a first separation chamber, a conveying chamber and a second separation chamber, wherein the conveying chamber is connected to the right side of the first separation chamber through a material passing pipe, the right side of the conveying chamber is communicated with the upper end of the left side of the second separation chamber, a coarse filter plate is obliquely fixed at the upper end inside the first separation chamber, a fine filter plate is obliquely fixed at the lower end inside the first separation chamber, the inner diameter of a filter hole of the coarse filter plate is larger than that of a filter hole of the fine filter plate, and the material passing pipe is connected to the right side of the first separation chamber at the upper end of the fine filter plate. According to the invention, by arranging the first sorting chamber, the conveying chamber and the second sorting chamber, after the wear-resistant steel balls are put into the first sorting chamber, the steel balls which do not meet the requirements and the steel balls which meet the requirements can be sorted according to the characteristics of different volumes and uneven density distribution of the steel balls which do not meet the requirements, the steel balls can be conveniently sorted according to the volumes and the densities, and meanwhile, the automatic operation can be realized.

Description

Sorter is used in casting of wearability steel ball

Technical Field

The invention relates to the technical field of steel ball casting, in particular to a separator for casting wear-resistant steel balls.

Background

At present, the wear-resistant steel balls are used as a crushing medium in a ball mill and are used for crushing materials in the mill, and the wear-resistant steel balls have four types: one is white cast iron taking chromium as a main alloy element, which is called chromium alloy cast iron for short, and a cast grinding ball taking chromium alloy cast iron as a material is called chromium alloy cast iron grinding ball; secondly, casting grinding balls made of nodular cast iron are called nodular cast iron grinding balls, wherein the nodular cast iron grinding balls with a matrix structure mainly comprising bainite obtained through heat treatment are called bainite ductile iron grinding balls for short; the nodular cast iron grinding ball with martensite as main matrix structure obtained by heat treatment is named as martensite ductile iron grinding ball for short, the third kind is steel ball hot rolled with round steel produced in steel mill, the whole process is controlled automatically, the steel ball has homogeneous hardness, high core hardness, low breaking rate and great impact value, and the fourth kind is steel ball forged with wheel.

The existing wear-resistant steel balls need to be separated after production and casting, so that the steel balls meeting the requirements are selected, the steel balls with the volume and density distribution not meeting the requirements are selected, the steel balls meeting the requirements are finally left for storage and standby, the existing steel ball sorting machine is capable of screening the steel balls with uneven internal density distribution according to the volume and size, and the steel balls with uneven internal density distribution cannot be screened. Therefore, we propose a separator for casting wear-resistant steel balls.

Disclosure of Invention

The invention aims to provide a separator for casting wear-resistant steel balls, which is provided with a first separation chamber, a conveying chamber and a second separation chamber, when the wear-resistant steel balls are put into the first separation chamber, the separator can separate the steel balls which do not meet the requirements and the steel balls which meet the requirements according to the characteristics of different volumes and uneven density distribution of the steel balls which do not meet the requirements, can conveniently separate the steel balls from the steel balls with the different volumes and densities, can realize automatic operation and solves the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a separator is used in casting of wearability steel ball, includes first sorting chamber, transfer chamber and second sorting chamber, the transfer chamber passes through the material piping connection on the right side of first sorting chamber, and the right side of transfer chamber and the left side upper end intercommunication of second sorting chamber, the inside upper end slant of first sorting chamber is fixed with thick filter plate, the inside lower extreme slant of first sorting chamber is fixed with thin filter plate, and the filtration pore internal diameter of thick filter plate is greater than the filtration pore internal diameter of thin filter plate, the material piping connection is on the first sorting chamber right side of thin filter plate upper end, the bottom of first sorting chamber is connected with first row of waste outlet, the lower extreme of first row of waste outlet is provided with the waste material bucket, the left side of first sorting chamber is connected with the second and arranges useless mouthful, the second is arranged useless mouthful and is connected in the first sorting chamber left side of thick filter plate upper end, install the conveyer belt in the transfer chamber, the surface slant of conveyer belt has seted up the ball groove, the device comprises a conveying belt, a plurality of ball grooves, a driving motor, a transmission wheel, two inclined plates, a collecting plate, a first discharge port, a second discharge port, a collecting device and a collecting device, wherein the ball grooves are uniformly distributed on the surface of the conveying belt, the bottom of the left side of the conveying chamber is fixedly provided with the driving motor, the transmission shaft of the driving motor is provided with the transmission wheel, the transmission wheel is in transmission connection with the driving shaft of the conveying belt through a belt, the driving motor is electrically connected with external power supply equipment, the bottom of the second sorting chamber is fixedly provided with the sorting plate, the left side of the sorting plate is positioned below the right side of the conveying belt, the two sides of the surface below the sorting plate are both obliquely fixedly provided with the inclined plates, the two inclined plates are fixed on the sorting plate between the two inclined plates, the two collecting plates are fixed on the bottom of the second sorting plate between the two collecting plates, the bottom of the second sorting chamber between the two inclined plates is provided with the first discharge port, the bottom of the second sorting chamber on the two sides of the inclined plates is provided with the second discharge port, the collecting device is arranged at the lower end of the right side of the second sorting chamber, the collecting device comprises first collecting vessel and second collecting vessel, and lower extreme, the second collecting vessel that first collecting vessel is located first discharge gate are located the lower extreme of second discharge gate, the spout has been seted up on the first outdoor wall of branch in the coarse strainer plate lower extreme outside, the spout has been seted up down on the first outdoor wall of branch in the fine strainer plate lower extreme outside, the rod groove has all been seted up to the right side lower extreme of going up the spout and the left side lower extreme of spout down, the rod groove is two, and the rod groove and the upper chute intercommunication of upper chute below, lower chute below rod groove and lower chute intercommunication.

In a preferred embodiment of the present invention, rollers are longitudinally fixed in both the upper chute and the lower chute of the outer wall of the first separation chamber through a rotating rod, and two rollers are provided, one roller is in contact with the bottom of the coarse filter plate, and the other roller is in contact with the bottom of the fine filter plate.

As a preferred embodiment of the invention, a material baffle plate is obliquely connected and fixed to the lower end of the right side of the material passing pipe, and the right side of the material baffle plate is located above the conveyor belt.

In a preferred embodiment of the present invention, the widths of the upper chute and the lower chute are smaller than the diameter of the steel balls to be sorted, and the widths of the upper chute and the lower chute are larger than the diameter of the rotating rod.

In a preferred embodiment of the present invention, a plurality of first legs are fixedly connected to the outer side of the lower end of the first sorting chamber.

In a preferred embodiment of the present invention, two second legs are supported and fixed on both sides of the bottom of the transfer chamber.

In a preferred embodiment of the present invention, two third legs are supported and fixed on both sides of the bottom of the second separation chamber.

In a preferred embodiment of the present invention, a feed inlet is fixedly connected to the right upper end of the first separation chamber, and the feed inlet is communicated with the inside of the first separation chamber.

As a preferred embodiment of the present invention, the front and rear ends of the inner rotating rod of the upper chute and the lower chute are fixedly connected with four handles.

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

1. according to the separator for casting the wear-resistant steel balls, the first separation chamber, the conveying chamber and the second separation chamber are arranged, so that the steel balls which do not meet the requirement and the steel balls which meet the requirement can be separated according to the characteristics of different volumes and uneven density distribution of the steel balls which do not meet the requirement after the wear-resistant steel balls are put into the first separation chamber, the steel balls can be conveniently separated according to the volumes and the densities, and meanwhile, automatic operation can be achieved.

2. The invention relates to a separator for casting wear-resistant steel balls, which is characterized in that rollers are longitudinally fixed in an upper chute and a lower chute on the outer wall of a first separation chamber through rotating rods, and the two rollers are respectively contacted with the bottoms of a coarse filter plate and a fine filter plate.

3. According to the separator for casting the wear-resistant steel balls, the baffle plate is obliquely connected and fixed at the lower end of the right side of the material passing pipe, and the right side of the baffle plate is positioned above the conveyor belt, so that the steel balls screened out in the first separation chamber and meeting the size can fall into the ball grooves on the surface of the conveyor belt along the baffle plate, and the steel balls are prevented from falling below the conveyor belt.

4. According to the separator for casting the wear-resistant steel balls, the widths of the upper chute and the lower chute are smaller than the diameter of the steel balls to be separated, and the widths of the upper chute and the lower chute are larger than the diameter of the rotating rod, so that the steel balls with smaller particle sizes can be prevented from leaking out of the first separation chamber from the upper chute or the lower chute after passing through the first separation chamber.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of the overall structure of the separator for casting a wear-resistant steel ball according to the present invention;

FIG. 2 is a schematic diagram of a sorting plate structure of the sorting machine for casting wear-resistant steel balls according to the present invention;

FIG. 3 is a schematic view of the right side structure of the bottom end of the sorting chamber of the sorting machine for casting wear-resistant steel balls according to the present invention;

FIG. 4 is a schematic view of the surface structure of the first separation chamber of the separator for casting wear-resistant steel balls according to the present invention;

FIG. 5 is a schematic view of a roller fixing structure of the separator for casting wear-resistant steel balls according to the present invention;

FIG. 6 is a schematic view of the surface structure of the conveyor belt of the separator for casting wear-resistant steel balls.

In the figure: 1. a first sorting chamber; 2. a transfer chamber; 3. a second sorting chamber; 4. a first waste discharge port; 5. a waste bin; 6. a belt; 7. a driving wheel; 8. a drive motor; 9. a drive shaft; 10. a conveyor belt; 11. a feed inlet; 12. a second waste discharge port; 13. fine filter plates; 14. a first leg; 15. coarse filter plate; 16. a material passing pipe; 17. a striker plate; 18. a second leg; 19. a sorting plate; 20. a third leg; 21. a collection device; 22. a sloping plate; 23. collecting the medium plate; 24. a first discharge port; 25. a second discharge port; 26. a first collection cylinder; 27. a second collection cylinder; 28. a ball groove; 29. an upper chute; 30. a lower chute; 31. a handle; 32. a roller; 33. a rotating rod; 34. a rod groove.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Referring to fig. 1-6, the present invention provides a technical solution: a separator for casting an abrasion-resistant steel ball comprises a first separation chamber 1, a transfer chamber 2 and a second separation chamber 3, wherein the transfer chamber 2 is connected to the right side of the first separation chamber 1 through a material passing pipe 16, the right side of the transfer chamber 2 is communicated with the upper end of the left side of the second separation chamber 3, a coarse filter plate 15 is obliquely fixed to the upper end of the inside of the first separation chamber 1, a fine filter plate 13 is obliquely fixed to the lower end of the inside of the first separation chamber 1, the inner diameter of a filter hole of the coarse filter plate 15 is larger than that of the filter hole of the fine filter plate 13, the material passing pipe 16 is connected to the right side of the first separation chamber 1 at the upper end of the fine filter plate 13, the bottom of the first separation chamber 1 is connected with a first waste discharge port 4, the lower end of the first waste discharge port 4 is provided with a waste material barrel 5, the left side of the first separation chamber 1 is connected with a second waste discharge port 12, the second waste discharge port 12 is connected to the left side of the first separation chamber 1 at the upper end of the coarse filter plate 15, the conveying belt 10 is obliquely installed in the conveying chamber 2, the surface of the conveying belt 10 is provided with a plurality of ball grooves 28, the plurality of ball grooves 28 are uniformly distributed on the surface of the conveying belt 10, the bottom of the left side of the conveying chamber 2 is fixedly provided with a driving motor 8, a transmission shaft of the driving motor 8 is provided with a transmission wheel 7, the transmission wheel 7 is in transmission connection with a driving shaft 9 of the conveying belt 10 through a belt 6, the driving motor 8 is electrically connected with an external power supply device, the bottom of the second sorting chamber 3 is fixedly provided with a sorting plate 19, the left side of the sorting plate 19 is positioned below the right side of the conveying belt 10, inclined plates 22 are obliquely fixed on two sides of the lower surface of the sorting plate 19, two inclined plates 22 are fixed, a collecting plate 23 is fixed on the sorting plate 19 between the two inclined plates 22, the two collecting plates 23 are provided, and the bottom of the second sorting chamber 3 between the two collecting plates 23 is provided with a first discharge port 24, second discharge gate 25 has been seted up to the second sorting chamber 3 bottom of swash plate 22 both sides, second discharge gate 25 is two, the right side lower extreme that the second sorted chamber 3 was provided with collection device 21, collection device 21 comprises first collecting vessel 26 and second collecting vessel 27, and first collecting vessel 26 is located the lower extreme of first discharge gate 24, second collecting vessel 27 is located the lower extreme of second discharge gate 25, last spout 29 has been seted up on the first sorting chamber 1 outer wall in the thick filter plate 15 lower extreme outside, spout 30 has been seted up down on the first sorting chamber 1 outer wall in the thin filter plate 13 lower extreme outside, the rod groove 34 has all been seted up to the right side lower extreme of going up spout 29 and the left side lower extreme of spout 30, rod groove 34 is two, and the rod groove 34 and the last spout 29 intercommunication of going up spout 29 below, the rod groove 34 and the lower spout 30 intercommunication of lower spout 30 below.

In this embodiment (see fig. 1 and 2), by providing the first sorting chamber 1, the conveying chamber 2, and the second sorting chamber 3, after the wear-resistant steel balls are put into the first sorting chamber 1, the steel balls that do not meet the requirements and the steel balls that meet the requirements can be sorted out according to the characteristics of different volumes and uneven density distribution of the steel balls that do not meet the requirements, so that the steel balls can be sorted conveniently from the two volumes and densities, and meanwhile, the automatic operation can be realized.

Wherein, all be fixed with gyro wheel 32 through bull stick 33 vertically in the last spout 29 of first separation chamber 1 outer wall and the lower spout 30, gyro wheel 32 is two, one gyro wheel 32 and the bottom contact of rough filter plate 15, and the bottom contact of another gyro wheel 32 and fine filter plate 13.

In the present embodiment (see fig. 4 and 5), rollers 32 are longitudinally fixed in the upper chute 29 and the lower chute 30 on the outer wall of the first sorting chamber 1 through rotating rods 33, and the two rollers 32 are respectively in contact with the bottoms of the coarse filter plate 15 and the fine filter plate 13, so that when some steel balls which are only slightly larger than the apertures of the coarse filter plate 15 and the fine filter plate 13 are clamped on the filter holes, the steel balls can be ejected out by driving the rollers 32 to roll at the lower ends of the coarse filter plate 15 and the fine filter plate 13 through the rotating rods 33, and finally discharged from the second waste discharge port 12 or enter the conveying chamber 2.

The lower end of the right side of the material passing pipe 16 is obliquely connected and fixed with a material baffle plate 17, and the right side of the material baffle plate 17 is positioned above the conveyor belt 10.

In this embodiment (see fig. 1), the striker plate 17 is obliquely connected and fixed to the lower end of the right side of the material passing pipe 16, and the right side of the striker plate 17 is located above the conveyor belt 10, so that steel balls which are screened out from the first sorting chamber 1 and have a size meeting the requirement can fall into the ball groove 28 on the surface of the conveyor belt 10 along the striker plate 17, and the steel balls are prevented from falling below the conveyor belt 10.

The widths of the upper chute 29 and the lower chute 30 are both smaller than the diameter of the steel ball to be sorted, and the widths of the upper chute 29 and the lower chute 30 are larger than the diameter of the rotating rod 33.

In this embodiment (see fig. 4 and 5), the widths of the upper chute 29 and the lower chute 30 are both smaller than the diameter of the steel balls to be sorted, and the widths of the upper chute 29 and the lower chute 30 are larger than the diameter of the rotating rod 33, so that the steel balls with smaller particle sizes can be prevented from leaking out of the first sorting chamber 1 from the upper chute 29 or the lower chute 30 when the steel balls pass through the first sorting chamber 1.

Wherein, the outer side of the lower end of the first sorting chamber 1 is fixedly connected with a plurality of first supporting legs 14, and the number of the first supporting legs 14 is multiple.

Wherein, the two sides of the bottom of the conveying chamber 2 are respectively fixedly provided with two second supporting feet 18, and the number of the second supporting feet 18 is two.

Wherein, the two sides of the bottom of the second sorting chamber 3 are respectively fixedly supported with a third supporting leg 20, and the number of the third supporting legs 20 is two.

Wherein, the upper end of the right side of the first sorting chamber 1 is fixedly connected with a feed inlet 11, and the feed inlet 11 is communicated with the inside of the first sorting chamber 1.

The front ends and the rear ends of the rotating rods 33 in the upper sliding chute 29 and the lower sliding chute 30 are fixedly connected with handles 31, and the number of the handles 31 is four.

It should be noted that the invention is a separator for casting wear-resistant steel balls, which comprises a first separation chamber 1, a conveying chamber 2, a second separation chamber 3, a first waste discharge port 4, a waste bucket 5, a belt 6, a transmission wheel 7, a driving motor 8, a driving shaft 9, a conveyor belt 10, a feed port 11, a second waste discharge port 12, a fine filter plate 13, a first support leg 14, a coarse filter plate 15, a material passing pipe 16, a material blocking plate 17, a second support leg 18, a separation plate 19, a third support leg 20, a collecting device 21, an inclined plate 22, a concentration plate 23, a first discharge port 24, a second discharge port 25, a first collecting cylinder 26, a second collecting cylinder 27, a ball groove 28, an upper chute 29, a lower chute 30, a handle 31, a roller 32, a rotating rod 33, and a rod groove 34, wherein the components are all common standard components or components known by those skilled in the art, and the structure and principle of the components can be known by technical manuals or by conventional experimental methods, when the automatic sorting machine works, the driving motor 8 is started through the external control device to drive the conveyor belt 10 to rotate, then steel balls to be sorted are slowly poured into the first sorting chamber 1 from the feeding hole 11, when the steel balls fall on the coarse filter plate 15, the steel balls with larger volume cannot pass through the filter holes of the coarse filter plate 15 and are discharged from the second waste discharge hole 12 on the left side, the steel balls with smaller volume continuously fall to the upper end of the fine filter plate 13, the steel balls with smaller volume fall through the filter holes of the fine filter plate 13 and are discharged from the first waste discharge hole 4 and collected by the waste material barrel 5, the steel balls meeting the volume requirement enter the conveying chamber 2 from the material passing pipe 16, fall into the ball groove 28 under the action of the baffle plate 17, are brought into the second sorting chamber 3 under the driving action of the conveyor belt 10 and then fall on the sorting plate 19, the steel balls with uniform internal density can linearly roll down to a position between the two collecting plates 23 and are discharged into the first collecting barrel 26, the steel balls with uneven density roll towards two sides because the gravity center is not at the center position, finally fall into the second collecting cylinder 27 from the second discharge port 25 at one side of the inclined plate 22 for collection, finally the steel balls in the first collecting cylinder 26 are steel balls which are sorted to meet the requirements, when the steel balls are blocked in the filter holes of the coarse filter plate 15 or the fine filter plate 13, the handle 31 can be operated to enable the rotating rods 33 in the upper chute 29 and the lower chute 30 to drive the rollers 32 to be in contact with the bottoms of the coarse filter plate 15 and the fine filter plate 13, then the rollers are repeatedly rolled below, so that the steel balls are pushed out from the filter holes and are discharged from the second waste discharge port 12 or enter the conveying chamber 2, and after the cleaning is finished, the rotating rods 33 and the rollers 32 are placed in the rod grooves 34 through the handle 31 for fixation.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a separator is used in casting of wearability steel ball, includes first sorting chamber (1), conveying chamber (2) and second sorting chamber (3), its characterized in that: the conveying chamber (2) is connected to the right side of the first sorting chamber (1) through a material passing pipe (16), the right side of the conveying chamber (2) is communicated with the upper end of the left side of the second sorting chamber (3), a coarse filter plate (15) is obliquely fixed to the upper end of the inside of the first sorting chamber (1), a fine filter plate (13) is obliquely fixed to the lower end of the inside of the first sorting chamber (1), the inner diameter of a filter hole of the coarse filter plate (15) is larger than that of the filter hole of the fine filter plate (13), the material passing pipe (16) is connected to the right side of the first sorting chamber (1) at the upper end of the fine filter plate (13), the bottom of the first sorting chamber (1) is connected with a first waste discharge port (4), the lower end of the first waste discharge port (4) is provided with a waste material barrel (5), the left side of the first sorting chamber (1) is connected with a second waste discharge port (12), and the second waste discharge port (12) is connected to the left side of the first sorting chamber (1) at the upper end of the coarse filter plate (15), conveyer belt (10) are installed to the slant in transfer chamber (2), ball groove (28) have been seted up on the surface of conveyer belt (10), ball groove (28) are a plurality ofly, and the even distribution of a plurality of ball groove (28) is on the surface of conveyer belt (10), the left side bottom of transfer chamber (2) is fixed with driving motor (8), install drive wheel (7) on the transmission shaft of driving motor (8), drive wheel (7) are connected through belt (6) and drive shaft (9) transmission of conveyer belt (10), and driving motor (8) and external power supply unit electric connection, the bottom of second separation chamber (3) is fixed with selects separately board (19), the left side of selecting separately board (19) is located the right side below of conveyer belt (10), the below surface both sides of selecting separately board (19) all are fixed with slant swash plate (22), swash plate (22) are two, and the separation plate (19) between the two inclined plates (22) is fixed with two concentration plates (23), the bottom of the second separation chamber (3) between the two concentration plates (23) is provided with a first discharge hole (24), the bottoms of the second separation chambers (3) at the two sides of the inclined plates (22) are provided with second discharge holes (25), the number of the second discharge holes (25) is two, the lower right end of the second separation chamber (3) is provided with a collecting device (21), the collecting device (21) is composed of a first collecting cylinder (26) and a second collecting cylinder (27), the first collecting cylinder (26) is positioned at the lower end of the first discharge hole (24), the second collecting cylinder (27) is positioned at the lower end of the second discharge hole (25), the outer wall of the first separation chamber (1) at the outer side of the lower end of the coarse filter plate (15) is provided with an upper chute (29), the outer wall of the first separation chamber (1) at the outer side of the lower end of the fine filter plate (13) is provided with a lower chute (30), the rod groove (34) have all been seted up to the right side lower extreme of going up spout (29) and the left side lower extreme of lower spout (30), rod groove (34) are two, and go up the rod groove (34) and the last spout (29) intercommunication of spout (29) below, rod groove (34) and lower spout (30) intercommunication of spout (30) below.

2. The separator according to claim 1, wherein: all longitudinally fixed with gyro wheel (32) through bull stick (33) in last spout (29) of first branch selection room (1) outer wall and lower spout (30), gyro wheel (32) are two, one gyro wheel (32) and the bottom contact of thick filter plate (15), and the bottom contact of another gyro wheel (32) and thin filter plate (13).

3. The separator according to claim 1, wherein: the lower end of the right side of the material passing pipe (16) is obliquely connected and fixed with a material baffle plate (17), and the right side of the material baffle plate (17) is positioned above the conveyor belt (10).

4. The separator as claimed in claim 2, wherein: the widths of the upper chute (29) and the lower chute (30) are smaller than the diameter of the steel balls to be sorted, and the widths of the upper chute (29) and the lower chute (30) are larger than the diameter of the rotating rod (33).

5. The separator according to claim 1, wherein: the outer side of the lower end of the first sorting chamber (1) is fixedly connected with a plurality of first supporting legs (14), and the number of the first supporting legs (14) is multiple.

6. The separator according to claim 1, wherein: and two second supporting feet (18) are fixedly supported on two sides of the bottom of the conveying chamber (2), and the number of the second supporting feet (18) is two.

7. The separator according to claim 1, wherein: and third support legs (20) are fixedly supported on two sides of the bottom of the second sorting chamber (3), and the number of the third support legs (20) is two.

8. The separator according to claim 1, wherein: the upper end of the right side of the first sorting chamber (1) is fixedly connected with a feed inlet (11), and the feed inlet (11) is communicated with the inside of the first sorting chamber (1).

9. The separator as claimed in claim 2, wherein: the front end and the rear end of the rotating rod (33) in the upper sliding groove (29) and the lower sliding groove (30) are fixedly connected with handles (31), and the number of the handles (31) is four.