Fragmentation and sorting apparatus and method for spheroidizing agents

Abstract

The application relates to a crushing device technology and discloses a nodulizer crushing and sorting device and method, wherein the nodulizer crushing and sorting device comprises a crushing device, a sorting device connected with the crushing device, a granulating device connected with the sorting device and a screening device connected with the granulating device; the sorting device comprises a sorting shell, a sorting feeding port is arranged on a top cover of the sorting shell, the sorting feeding port is connected with a discharging groove arranged on the crushing device, a primary sorting assembly and a secondary sorting assembly are arranged in the interior of the sorting shell, and the application provides a device capable of controlling the particle size of nodulizers from primary crushing to sorting target particles to fine granulation.

Description

Technical Field

[0001] This invention relates to the field of spheroidizing agent crushing and screening technology, and particularly to a crushing and sorting device and method for spheroidizing agents. Background Technology

[0002] Untreated gray cast iron has an unstable microstructure, poor mechanical properties, and is prone to white cast iron formation in thin-walled sections. Inoculation treatment is essential to ensure consistent casting quality. Currently, spheroidizing agents are produced through crushing and sieving, a process that can only produce coarse spheroidizing agents, and cannot precisely meet the particle size requirements. Summary of the Invention

[0003] To address the problems of the prior art, the present invention provides a crushing and sorting device and method for spheroidizing agents.

[0004] This invention provides a crushing and sorting device for spheroidizing agents, comprising:

[0005] Crushing device; sorting device connected to the crushing device;

[0006] The sorting device includes:

[0007] The sorting housing has a sorting inlet on its top cover, which is connected to the feeding chute on the crushing device.

[0008] A primary sorting assembly and a secondary sorting assembly are arranged inside the sorting housing. The primary sorting plate has a plurality of primary sorting holes evenly distributed thereon. The primary sorting assembly includes:

[0009] A primary sorting plate is provided with primary rotating shafts on its left and right sides, and the primary rotating shafts are fixed in the primary left fixing assembly and the primary right fixing assembly.

[0010] The primary left fixing assembly includes a primary left fixing bearing, which is embedded in a primary bearing groove provided on the sorting housing. The left side of the primary rotating shaft is fixed in the primary left fixing bearing, and a primary left gasket is provided between the primary rotating shaft and the primary left fixing bearing. The primary left gasket is arranged close to the inner wall of the sorting housing, and the primary left gasket is larger than the primary left fixing bearing as a whole, thus enclosing the primary left fixing bearing.

[0011] The first-stage right-fixed assembly includes a first-stage right-fixed bearing, which is embedded in a first-stage right-fixed bearing hole provided on the sorting housing. The right side of the first-stage rotating shaft is fixed in the first-stage right-fixed bearing and extends through the first-stage bearing hole to connect with the first-stage flipping assembly. A first-stage right gasket is provided between the first-stage rotating shaft and the first-stage right-fixed bearing. The first-stage right gasket is arranged close to the inner wall of the sorting housing, and the first-stage right gasket is larger than the first-stage right-fixed bearing as a whole, thus enclosing the first-stage right-fixed bearing.

[0012] The first-stage tilting assembly includes: a first coupling, one end of which is connected to the right side of the first-stage rotating shaft, and the other end of which is connected to the first-stage tilting motor. The first-stage tilting motor is fixed on the first-stage motor base, and the first-stage motor base is located outside the first-stage sorting housing.

[0013] A first-level limiting tilting groove and a first-level semi-limiting tilting groove are respectively opened on the front and rear side panels of the sorting housing.

[0014] The upper part of the first-level limiting flip trough is provided with a first-level adjusting limiting cylinder. The position of the first-level sorting plate is adjusted by the downward pushing distance of the push rod provided on the first-level adjusting limiting cylinder. The lower part of the first-level limiting flip trough is formed by the lower edge of the trough body, and the first-level lower limit is used to limit the downward movement of the first-level sorting plate.

[0015] The upper part of the first-level semi-limited flip groove is formed by the upper edge of the first-level semi-limited flip groove, and the lower part is an open pull-down groove.

[0016] A baffle is provided on the inner wall of the sorting housing at the position of the pull-down groove, and the pull-down groove is connected to the collection box through a conveying pipe.

[0017] Furthermore, the secondary sorting component includes:

[0018] A secondary sorting plate is provided with secondary rotating shafts on its left and right sides respectively. The secondary rotating shafts are fixed in the secondary left fixing assembly and the secondary right fixing assembly. A plurality of secondary sorting holes are evenly provided on the secondary sorting plate. The diameter of the secondary sorting holes is smaller than that of the primary sorting holes.

[0019] The secondary left fixed assembly includes a secondary left fixed bearing, which is embedded in a secondary bearing groove provided on the sorting housing. The left side of the secondary rotating shaft is fixed in the secondary left fixed bearing, and a secondary left gasket is provided between the secondary rotating shaft and the secondary left fixed bearing. The secondary left gasket is arranged close to the inner wall of the sorting housing, and the secondary left gasket is larger than the secondary left fixed bearing as a whole, thus sealing the secondary left fixed bearing.

[0020] The secondary right fixed assembly includes a secondary right fixed bearing, which is embedded in a secondary right bearing hole provided on the sorting housing. The right side of the secondary rotating shaft is fixed in the secondary right fixed bearing and extends through the secondary bearing hole to connect with the secondary flipping assembly. A secondary right gasket is provided between the secondary rotating shaft and the secondary right fixed bearing. The secondary right gasket is arranged close to the inner wall of the sorting housing, and the secondary right gasket is larger than the secondary right fixed bearing as a whole, thus sealing the secondary right fixed bearing.

[0021] Furthermore, the secondary flipping assembly includes a third coupling, one end of which is connected to the right side of the secondary rotating shaft, and the other end is connected to the secondary flipping motor. The secondary flipping motor is fixed on a secondary motor mount, and the secondary motor mount is located outside the secondary sorting housing.

[0022] Furthermore, a two-stage limiting tilting groove and a two-stage semi-limiting tilting groove are respectively opened on the front and rear side panels of the sorting housing;

[0023] The upper part of the secondary limit-type flip trough is provided with a secondary adjustment limit cylinder. The position of the secondary sorting plate is adjusted by the downward advancement of the push rod provided on the secondary adjustment limit cylinder. The lower part of the secondary limit-type flip trough is formed by the lower edge of the trough body as a secondary lower limit, which limits the downward movement of the secondary sorting plate.

[0024] The upper part of the secondary semi-limited flip groove is formed by the upper edge of the groove body to form a secondary upper limit, and the lower part is an open structure.

[0025] An inclined plate is provided on the inner wall of the sorting housing and below the secondary sorting plate.

[0026] Furthermore, the lower part of the secondary sorting component is provided with a feeding hopper, which is connected to a three-way valve through a feeding port. One path of the three-way valve is connected to the feeding port provided on the upper left side of the housing through a feeding pipe; the other path is connected to the powder recovery tank through a sorting pipe.

[0027] Furthermore, a feeding control valve is provided on the feeding trough.

[0028] The method for crushing and sorting spheroidizing agents includes the following steps:

[0029] 1) The pre-screened spheroidizing agent blocks are fed into the crushing device and crushed to the primary target particle size by the crushing rollers;

[0030] 2) After crushing, the spheroidizing agent material blocks enter the sorting device through the feeding control valve, feeding trough, and feeding port according to the quantitative amount. At this time, the first-level tilting motor at the first-level sorting component is turned on. The first-level tilting motor drives the two ends of the first-level sorting plate to tilt up and down at the first-level limit tilting trough and the first-level semi-limit tilting trough respectively at the first-level limit tilting trough. This allows the spheroidizing agent of the primary target particle size to enter the second-level sorting component through the first-level sorting hole on the first-level sorting plate. The spheroidizing agent that fails to enter the second-level sorting component moves the push rod of the first-level adjusting limit cylinder set at the first-level limit tilting trough upward, so that the first-level tilting motor drives the first-level sorting plate to form the maximum rotation and tilts downward to the lower pull trough side. The spheroidizing agent that fails to enter the second-level sorting component is sent to the collection box through the baffle, lower pull trough, and conveying pipe.

[0031] 3) Close one end of the three-way valve connected to the feed pipe, open one end of the sorting pipe, and turn on the secondary tilting motor at the secondary sorting component. The secondary tilting motor drives both ends of the secondary sorting plate to tilt up and down at the second limited angle in the secondary limit tilting trough and the secondary semi-limit tilting trough, so that the spheroidizing agent smaller than the target particle is screened out by the secondary sorting holes on the secondary sorting plate and enters the powder recovery tank through the sorting pipe. Then close one end of the three-way valve connected to the sorting pipe, open one end of the three-way valve connected to the feed pipe, and adjust the push rod of the secondary adjustment limit cylinder set at the secondary limit tilting trough to move upward, so that the secondary tilting motor drives the secondary sorting plate to form the maximum rotation and tilt downward to the inclined plate side. The spheroidizing agent with the primary target particle size after secondary screening enters the granulation device through the inclined plate, three-way valve, feed pipe and feed port.

[0032] 4) Turn on the granulation motor. The granulation motor drives the granulation shaft to rotate through the second coupling. During the rotation of the granulation shaft, the spheroidizing agent with the initial target particle size is further squeezed under the action of the granulation teeth and the extrusion teeth, and gradually obtains the spheroidizing agent of the coarse target particles. The spheroidizing agent of the coarse target particles enters the granulation and sorting space and falls into the spiral groove from the granulation and sorting space. The spiral groove transports the target particles from the left to the right and discharges them through the discharge port located near the right bearing seat.

[0033] This application provides an apparatus for primary crushing, sorting target particles, and fine granulation, which can control the particle size of the spheroidizing agent. Attached Figure Description

[0034] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0035] Figure 1 This is a structural schematic diagram provided by the present invention;

[0036] Figure 2 This is a schematic diagram of the sorting device provided by the present invention.

[0037] Figure 3 This is a schematic diagram of the granulation device provided by the present invention.

[0038] Figure 4 This is a structural schematic diagram of the first-stage limiting tilting groove and the first-stage semi-limiting tilting groove provided by the present invention;

[0039] Figure 5 This is a structural principle diagram of the two-stage limiting tilting groove and the two-stage semi-limiting tilting groove provided by the present invention;

[0040] Figure 6 A structural diagram of the screening device provided by the present invention;

[0041] Figure 7 This is a structural diagram of the granulation teeth in this invention;

[0042] Figure 8 This is a structural diagram of the elastic blocking component in this invention. Detailed Implementation

[0043] To make the objectives, technical solutions, and advantages of the present invention clearer, the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

[0044] Reference Figure 1-8 The present invention provides a crushing and sorting device for spheroidizing agents, comprising:

[0045] Crushing device 1, sorting device connected to the crushing device 1, granulation device connected to the sorting device, and screening device connected to the granulation device.

[0046] The crushing device includes a crushing shell disposed above the sorting device. A feeding port 101 is provided at the top of the crushing shell. A pair of crushing rollers 100 are disposed inside the feeding port 101. The two ends of the crushing rollers 100 are rotatably connected to the two ends of the crushing shell, and a first crushing motor and a second crushing motor are respectively disposed at one end of the crushing rollers 100. The first crushing motor and the second crushing motor are connected to the crushing shell through a first fixed seat and a second fixed seat. The output shafts of the first crushing motor and the second crushing motor are respectively connected to one of the pair of crushing rollers 100, so as to drive the pair of crushing rollers 100 to rotate through the first crushing motor and the second crushing motor, respectively.

[0047] The crushing shell is provided with a feeding chute 102 near the sorting device, which feeds the material crushed by the crushing device into the sorting device.

[0048] The sorting device includes:

[0049] The sorting housing 3 has a sorting inlet on its top cover, which is connected to the feeding chute 102 on the crushing device.

[0050] A primary sorting assembly and a secondary sorting assembly are disposed inside the sorting housing 3, wherein the primary sorting assembly includes:

[0051] A primary sorting plate 303 has primary rotating shafts 305 on its left and right sides respectively, and the primary rotating shafts 305 are fixed in the primary left fixing assembly and the primary right fixing assembly.

[0052] The primary left fixing assembly includes a primary left fixing bearing 301, which is embedded in a primary bearing groove 302 provided on the sorting housing. The left side of the primary rotating shaft 305 is fixed in the primary left fixing bearing 301. A primary left gasket 300 is provided between the primary rotating shaft 305 and the primary left fixing bearing 301. The primary left gasket 300 is arranged close to the inner wall of the sorting housing and is larger than the primary left fixing bearing 301, thus enclosing the primary left fixing bearing 301.

[0053] The first-stage right-fixed assembly includes a first-stage right-fixed bearing 304, which is embedded in a first-stage right-fixed bearing hole provided on the sorting housing. The right side of the first-stage rotating shaft is fixed in the first-stage right-fixed bearing and extends through the first-stage bearing hole to connect with the first-stage flipping assembly. A first-stage right gasket 309 is provided between the first-stage rotating shaft and the first-stage right-fixed bearing. The first-stage right gasket 309 is arranged close to the inner wall of the sorting housing, and the first-stage right gasket 309 is larger than the first-stage right-fixed bearing as a whole, thus enclosing the first-stage right-fixed bearing.

[0054] Furthermore, the first-stage flipping assembly includes: a first coupling 306, one end of which is connected to the right side of the first-stage rotating shaft 305, and the other end is connected to the first-stage flipping motor 307. The first-stage flipping motor 307 is fixed on the first-stage motor base 308, and the first-stage motor base 308 is disposed outside the first-stage sorting housing.

[0055] Furthermore, a first-level limiting flip groove 40 and a first-level semi-limiting flip groove 44 are respectively opened on the front and rear side panels of the sorting housing.

[0056] The upper part of the first-level limiting flip trough 40 is provided with a first-level adjusting limiting cylinder 41. The position of the first-level sorting plate 303 is adjusted by pushing the push rod on the first-level adjusting limiting cylinder 41 downward. The lower part of the first-level limiting flip trough 40 is formed by the lower edge of the trough, and the first-level lower limit limits the position of the first-level sorting plate 303 downward.

[0057] The upper part of the first-level semi-limited flip groove 44 is formed by the upper edge of the first-level semi-limited flip groove 44, and the lower part is an open pull-down groove 45.

[0058] A baffle 47 is provided on the inner wall of the sorting housing at the position of the pull-down groove, and the pull-down groove 45 is connected to the collection box 48 through the conveying pipe 46.

[0059] Furthermore, the secondary sorting component includes:

[0060] A secondary sorting plate is provided with secondary rotating shafts on its left and right sides respectively. The secondary rotating shafts are fixed in the secondary left fixing assembly and the secondary right fixing assembly. A plurality of secondary sorting holes are evenly provided on the secondary sorting plate. The diameter of the secondary sorting holes is smaller than that of the primary sorting holes.

[0061] The secondary left fixed assembly includes a secondary left fixed bearing, which is embedded in a secondary bearing groove provided on the sorting housing. The left side of the secondary rotating shaft is fixed in the secondary left fixed bearing, and a secondary left gasket is provided between the secondary rotating shaft and the secondary left fixed bearing. The secondary left gasket is arranged close to the inner wall of the sorting housing, and the secondary left gasket is larger than the secondary left fixed bearing as a whole, thus sealing the secondary left fixed bearing.

[0062] The secondary right fixed assembly includes a secondary right fixed bearing, which is embedded in a secondary right bearing hole provided on the sorting housing. The right side of the secondary rotating shaft is fixed in the secondary right fixed bearing and extends through the secondary bearing hole to connect with the secondary flipping assembly. A secondary right gasket is provided between the secondary rotating shaft 53 and the secondary right fixed bearing. The secondary right gasket is arranged close to the inner wall of the sorting housing, and the secondary right gasket is larger than the secondary right fixed bearing as a whole, thus enclosing the secondary right fixed bearing.

[0063] Furthermore, the secondary flipping assembly includes a third coupling, one end of which is connected to the right side of the secondary rotating shaft, and the other end is connected to the secondary flipping motor. The secondary flipping motor is fixed on a secondary motor mount, and the secondary motor mount is located outside the secondary sorting housing.

[0064] Furthermore, a two-stage limiting flip groove 52 and a two-stage semi-limiting flip groove 54 are respectively opened on the front and rear side panels of the sorting housing 50.

[0065] The upper part of the secondary limit-type flip trough 52 is provided with a secondary adjustment limit cylinder 51. The position of the secondary sorting plate 31 is adjusted by the downward pushing distance of the push rod provided on the secondary adjustment limit cylinder 51. The lower part of the secondary limit-type flip trough 52 is formed by the lower edge of the trough body as a secondary lower limit, which limits the position of the secondary sorting plate downward.

[0066] The upper part of the secondary semi-limited flip groove 54 is formed by the upper edge of the secondary semi-limited flip groove, and the lower part is an open structure.

[0067] An inclined plate 56 is provided on the inner wall of the sorting housing and below the secondary sorting plate.

[0068] Furthermore, the lower part of the secondary sorting component is provided with a feeding hopper 310. The feeding hopper 310 is connected to a three-way valve 311 through a feeding port. One path of the three-way valve 311 is connected to the feeding port provided on the upper left side of the housing through a feeding pipe 313; the other path is connected to the powder recovery tank 315 through a sorting pipe 312.

[0069] Furthermore, a feeding control valve is provided on the feeding trough.

[0070] Granulation apparatus, the granulation apparatus comprising:

[0071] The shell 206 is cylindrical and hollow inside. A left end cover 202 and a right end cover 213 are respectively provided at the left and right ends of the shell 206. A right bearing seat 215 is provided near the right end cover 213 and on the right side of the granulation space. A left bearing seat is embedded inside the left end cover 202.

[0072] The inner wall of the shell is provided with uniformly arranged extrusion teeth 205 protruding into the granulation space;

[0073] The granulation shaft 204 is installed in the right bearing housing on the right side and in the left bearing housing on the left side, with the left side extending out of the left bearing housing and connecting to the drive assembly located outside the housing.

[0074] The granulation shaft 204 is provided with uniformly arranged spiral grooves 210, and the shaft wall 207 formed between adjacent spiral grooves 210 is provided with uniformly arranged granulation teeth 208. The granulation shaft 204 and the inner wall of the shell 206 form a granulation space. When the driving component drives the granulation shaft 204 to rotate and granulate, the extrusion teeth 205 and the granulation teeth 208 extrude and granulate the material particles inside the granulation space.

[0075] The granulation teeth 208 have two end corners 2085 covering the upper part of the spiral groove 210, partially obscuring the spiral groove 210. A granulation and sorting space is formed between three adjacent granulation teeth 208. The lower part of the granulation and sorting space corresponds to the spiral groove 210. The target particles formed by extrusion granulation enter the spiral groove 210 through the sorting space. The spiral groove 210 conveys the target particles from left to right and discharges them through the discharge port 211 located near the right bearing seat.

[0076] In the above, the granulation tooth 208 includes: a tooth base 2080, the upper part of which is provided with two end corners 2085, two oblique tooth cutters 2081 are provided along the end corners 2085 toward the top of the tooth base 2080, and cross-shaped horizontal cutters 2082 and vertical cutters 2083 are provided at the top of the tooth base 2080.

[0077] In the above, the drive assembly includes a pelletizing motor 200, a second coupling 201 connected to the pelletizing motor, and the second coupling 201 being connected to the left extension 203 of the pelletizing shaft.

[0078] In the above, a triangular granulation and sorting space is formed between three adjacent granulation teeth 208; and the distance between two adjacent granulation teeth 208 is greater than the particle size of the target particle. Generally, the distance between two granulation teeth 208 is 0.5-3 mm greater than the particle size of the target particle. The purpose of this is to allow the spheroidizing agent particles of the coarse target particles to fall directly into the spiral groove 210 for conveying, while the material particles that have not been crushed are left in the granulation space for further granulation. The purpose of this setting is to separate the granulation and conveying of particles. The corresponding advantage is that the spheroidizing agent particles of the coarse target particles fall directly into the spiral groove 210 for conveying, and will not remain in the granulation space to be crushed again. In order to better convey the spheroidizing agent particles of the coarse target particles, the width and depth of the groove opening of the spiral groove 210 are both 3-30 mm greater than the particle size of the target particles, which can be selected according to actual needs.

[0079] In the above description, on the left side of the granulation space, a blocking block 209 is provided on the inner wall of the shell. The blocking block 209 is used to partially block the granulation space and the discharge port, and the unblocked part forms a discharge port. When the spheroidizing agent particles of the coarse target particles are conveyed from left to right in the spiral groove, when they reach the position of the blocking block 209, the elastic blocking component 216 provided on the blocking block 209 blocks the spheroidizing agent particles larger than the coarse target particles from passing through. While the spiral groove 210 conveys the spheroidizing agent particles of the coarse target particles to the discharge port, some of the spheroidizing agent particles of the coarse target particles pass through the gaps (discharge port) between the elastic blocking components and are conveyed to the discharge port. That is to say, the discharge port only allows the spheroidizing agent particles of the coarse target particles to pass through, while the spheroidizing agent particles larger than the coarse target particles are blocked in the granulation space.

[0080] In the above description, the diameter of the left portion of the granulation shaft 204 near the discharge port gradually decreases to form a discharge space, and the discharge port is located in the discharge space. The purpose of this is to allow the spheroidizing agent particles of the coarse target particles coming out of the spiral groove 210 and the discharge port to enter the discharge port 217 more quickly. The rightmost side of the granulation shaft is provided with a shaft body 212, which is installed in the mounting hole 214 inside the right bearing seat.

[0081] Furthermore, a discharge port 217 is provided on the left side of the blocking block 209 and on the housing, and a discharge valve 218 is provided at the discharge port 217; the purpose of providing the discharge valve 218 is that, when granulation is carried out, if the granulation space becomes blocked, it can be cleared through the discharge valve and under the slow rotation of the granulation shaft.

[0082] In order to prevent the gap between the blocking block and the granulation shaft from being blocked, in this application, a plurality of elastic blocking components 216 are provided at the position of the blocking block. A plurality of uniformly arranged grooves 2165 are provided on the blocking block. The groove opening of the groove 2165 is provided with a limiting block 2166, and the plurality of uniformly arranged grooves 2165 form a circle around the blocking block.

[0083] An elastic blocking assembly 216 is provided within the groove 2165, wherein the elastic blocking assembly 216 includes:

[0084] Spring 2163 located at the bottom of the groove;

[0085] An H-shaped movable component is installed in the groove and located above the spring 2163. The bottom of the H-shaped movable component is a limiting base 2162, and the upper part of the H-shaped movable component is a semi-circular blocking body 2160. An active groove 2161 for matching and installing with the limiting block is formed between the limiting base 2162 and the blocking body 2160.

[0086] During granulation, the spheroidizing agent particles with the primary target particle size are further compressed by the rotation of the granulation shaft 204 inside the granulation space under the action of the granulation teeth 208 and the extrusion teeth 205. Since the extrusion teeth have a semi-circular design at their ends, the extrusion teeth 205 only provide the extrusion action. The spheroidizing agent particles with the primary target particle size that come into contact with the granulation teeth under the extrusion friction between the spheroidizing agent particles with the primary target particle size are then subjected to secondary granulation by the oblique toothed cutter 2081, the cross-shaped horizontal cutter 2082 and the vertical cutter 2083 to obtain coarse target particle spheroidizing agent particles.

[0087] In the above description, the screening device includes a screening shell 6 that is circular or square, preferably circular. Inside the screening shell 6, there are two screen plates with different particle sizes. The upper screen plate 62 has slightly larger sieve holes, which allows the spheroidizing agent particles of the coarse target particles to be screened onto the lower screen plate 66. The sieve holes of the lower screen plate 66 are slightly smaller than the spheroidizing agent particles of the coarse target particles. Thus, powder and small particles (smaller than the particle size of the spheroidizing agent particles of the coarse target particles) are screened into the collection tank 67 by the lower screen plate.

[0088] An upper screening motor 61 is provided in the middle of the upper screen plate 62, and an upper isolation cover 60 is provided outside the upper screening motor. A lower screening motor 65 is provided in the middle of the lower screen plate 66, and a lower isolation cover 64 is provided outside the lower screening motor 65. A face mask 63 is provided on the lower isolation cover, and the face mask is in contact with the bottom of the upper screen plate.

[0089] Both the upper screening motor 61 and the lower screening motor 65 are vibrating motors that drive the upper screen plate 62 and the lower screen plate 66 to vibrate, thereby completing the screening operation.

[0090] In the above, a material inlet is provided on the screening shell 6 to facilitate the removal of the screened material.

[0091] It should also be noted that, in this application, regarding the installation of the elastic blocking component 216, the housing of this application is manufactured in two sections. The first section includes extrusion teeth, and the second section and the structure constituting one end of the blocking block are made. A groove is opened along the opening of the second section, so that the groove forms a circle around the blocking block. Then, the spring and the I-beam movable part are installed inside the groove. Then, two semi-circular washers are installed in the groove in the middle of the I-beam movable part, and the edges that contact the groove are welded and fixed. Then, the first section and the second section are welded together.

[0092] This invention also provides a method for crushing and sorting spheroidizing agents, comprising the following steps:

[0093] 1) The pre-screened spheroidizing agent blocks are fed into the crushing device and crushed to the primary target particle size by the crushing rollers;

[0094] 2) After crushing, the spheroidizing agent material blocks enter the sorting device through the feeding control valve, feeding trough, and feeding port according to the quantitative amount. At this time, the first-level tilting motor at the first-level sorting component is turned on. The first-level tilting motor drives the two ends of the first-level sorting plate to tilt up and down at the first-level limit tilting trough and the first-level semi-limit tilting trough respectively at the first-level limit tilting trough. This allows the spheroidizing agent of the primary target particle size to enter the second-level sorting component through the first-level sorting hole on the first-level sorting plate. The spheroidizing agent that fails to enter the second-level sorting component moves the push rod of the first-level adjusting limit cylinder set at the first-level limit tilting trough upward, so that the first-level tilting motor drives the first-level sorting plate to form the maximum rotation and tilts downward to the lower pull trough side. The spheroidizing agent that fails to enter the second-level sorting component is sent to the collection box through the baffle, lower pull trough, and conveying pipe.

[0095] 3) Close one end of the three-way valve connected to the feed pipe, open one end of the sorting pipe, and turn on the secondary tilting motor at the secondary sorting component. The secondary tilting motor drives both ends of the secondary sorting plate to tilt up and down at the second limited angle in the secondary limit tilting trough and the secondary semi-limit tilting trough, so that the spheroidizing agent smaller than the target particle is screened out by the secondary sorting holes on the secondary sorting plate and enters the powder recovery tank through the sorting pipe. Then close one end of the three-way valve connected to the sorting pipe, open one end of the three-way valve connected to the feed pipe, and adjust the push rod of the secondary adjustment limit cylinder set at the secondary limit tilting trough to move upward, so that the secondary tilting motor drives the secondary sorting plate to form the maximum rotation and tilt downward to the inclined plate side. The spheroidizing agent with the primary target particle size after secondary screening enters the granulation device through the inclined plate, three-way valve, feed pipe and feed port.

[0096] 4) Turn on the granulation motor. The granulation motor drives the granulation shaft to rotate through the second coupling. During the rotation of the granulation shaft, the spheroidizing agent with the initial target particle size is further squeezed under the action of the granulation teeth and the extrusion teeth, and gradually obtains the spheroidizing agent of the coarse target particles. The spheroidizing agent of the coarse target particles enters the granulation and sorting space and falls into the spiral groove from the granulation and sorting space. The spiral groove transports the target particles from the left to the right and discharges them through the discharge port located near the right bearing seat.

[0097] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A size separation apparatus for nodulizing agents, characterized in that include: Crushing device, sorting device connected to the crushing device, granulation device connected to the sorting device; The sorting device includes: The sorting housing has a sorting inlet on its top cover, which is connected to the feeding chute on the crushing device. A primary sorting assembly and a secondary sorting assembly are disposed inside the sorting housing, wherein the primary sorting assembly includes: A primary sorting plate is provided with primary rotating shafts on its left and right sides respectively. The primary rotating shafts are fixed in the primary left fixing assembly and the primary right fixing assembly. A number of primary sorting holes are evenly provided on the primary sorting plate. The primary left fixing assembly includes a primary left fixing bearing, which is embedded in a primary bearing groove provided on the sorting housing. The left side of the primary rotating shaft is fixed in the primary left fixing bearing, and a primary left gasket is provided between the primary rotating shaft and the primary left fixing bearing. The primary left gasket is arranged close to the inner wall of the sorting housing, and the primary left gasket is larger than the primary left fixing bearing as a whole, thus enclosing the primary left fixing bearing. The first-stage right-fixed assembly includes a first-stage right-fixed bearing, which is embedded in a first-stage right-fixed bearing hole provided on the sorting housing. The right side of the first-stage rotating shaft is fixed in the first-stage right-fixed bearing and extends out through the first-stage right-fixed bearing hole to connect with the first-stage flipping assembly. A first-stage right gasket is provided between the first-stage rotating shaft and the first-stage right-fixed bearing. The first-stage right gasket is arranged close to the inner wall of the sorting housing, and the first-stage right gasket is larger than the first-stage right-fixed bearing as a whole, thus enclosing the first-stage right-fixed bearing. The first-stage tilting assembly includes: a first coupling, one end of which is connected to the right side of the first-stage rotating shaft, and the other end of which is connected to the first-stage tilting motor. The first-stage tilting motor is fixed on the first-stage motor base, and the first-stage motor base is located outside the first-stage sorting housing. A first-level limiting tilting groove and a first-level semi-limiting tilting groove are respectively opened on the front and rear side panels of the sorting housing. The upper part of the first-level limiting flip trough is provided with a first-level adjusting limiting cylinder. The position of the first-level sorting plate is adjusted by the downward pushing distance of the push rod provided on the first-level adjusting limiting cylinder. The lower part of the first-level limiting flip trough is formed by the lower edge of the trough body, and the first-level lower limit is used to limit the downward movement of the first-level sorting plate. The upper part of the first-level semi-limited flip groove is formed by the upper edge of the first-level semi-limited flip groove, and the lower part is an open pull-down groove. A baffle is provided on the inner wall of the sorting housing at the position of the pull-down groove, and the pull-down groove is connected to the collection box through a conveying pipe; The granulation apparatus includes: The shell is cylindrical and hollow inside. A left end cap and a right end cap are respectively provided at the left and right ends of the shell. A right bearing seat is provided near the right end cap and on the right side of the granulation space. A left bearing seat is embedded inside the left end cap. The inner wall of the shell is provided with uniformly arranged extrusion teeth protruding into the granulation space. The granulating shaft is installed in the right bearing housing on the right side and in the left bearing housing on the left side, with the left side extending out of the left bearing housing and connecting to the drive assembly located outside the housing. The granulating shaft is provided with uniformly arranged spiral grooves, and uniformly arranged granulating teeth are provided on the shaft wall formed between adjacent spiral grooves. The granulating shaft and the inner wall of the housing form a granulation space, and when the drive assembly drives the granulating shaft to rotate and granulate, the extrusion teeth and granulation teeth extrude and granulate the material particles inside the granulation space. The granulation tooth includes: a tooth base, the upper part of which is provided with two end corners, two oblique tooth cutters are provided along the end corners toward the top of the tooth base, and a cross-shaped horizontal cutter and a vertical cutter are provided at the top of the tooth base; The granulation teeth have two end corners that cover the upper part of the spiral groove, partially obscuring the spiral groove. A granulation and sorting space is formed between three adjacent granulation teeth. The lower part of the granulation and sorting space corresponds to the spiral groove. The target particles formed by extrusion granulation enter the spiral groove through the sorting space. The spiral groove transports the target particles from left to right and discharges them through the discharge port located near the right bearing seat. On the right side of the granulation space, a blocking block is provided by the inner wall of the shell, and the blocking block is used to partially block the space between the granulation space and the discharge port, while the unblocked part forms the discharge port.

2. A size separation apparatus for nodulizing agents as claimed in claim 1, wherein, The secondary sorting component includes: A secondary sorting plate is provided with secondary rotating shafts on its left and right sides respectively. The secondary rotating shafts are fixed in the secondary left fixing assembly and the secondary right fixing assembly. A plurality of secondary sorting holes are evenly provided on the secondary sorting plate. The diameter of the secondary sorting holes is smaller than that of the primary sorting holes. The secondary left fixed assembly includes a secondary left fixed bearing, which is embedded in a secondary bearing groove provided on the sorting housing. The left side of the secondary rotating shaft is fixed in the secondary left fixed bearing, and a secondary left gasket is provided between the secondary rotating shaft and the secondary left fixed bearing. The secondary left gasket is arranged close to the inner wall of the sorting housing, and the secondary left gasket is larger than the secondary left fixed bearing as a whole, thus sealing the secondary left fixed bearing. The secondary right-fixed assembly includes a secondary right-fixed bearing, which is embedded in a secondary right-fixed bearing hole provided on the sorting housing. The right side of the secondary rotating shaft is fixed in the secondary right-fixed bearing and extends through the secondary right-fixed bearing hole to connect with the secondary flipping assembly. A secondary right-fixed gasket is provided between the secondary rotating shaft and the secondary right-fixed bearing. The secondary right-fixed gasket is arranged close to the inner wall of the sorting housing, and the secondary right-fixed gasket is larger than the secondary right-fixed bearing as a whole, thus enclosing the secondary right-fixed bearing.

3. A size separation apparatus for nodulizing agents as claimed in claim 2, wherein, The secondary flipping assembly includes a third coupling, one end of which is connected to the right side of the secondary rotating shaft, and the other end is connected to the secondary flipping motor. The secondary flipping motor is fixed on a secondary motor mount, which is located outside the secondary sorting housing.

4. The size separation apparatus for the nodulizing agent according to claim 2, wherein Two-stage limiting tilting grooves and two-stage semi-limiting tilting grooves are respectively opened on the front and rear side panels of the sorting housing; The upper part of the secondary limit-type flip trough is provided with a secondary adjustment limit cylinder. The position of the secondary sorting plate is adjusted by the downward advancement of the push rod provided on the secondary adjustment limit cylinder. The lower part of the secondary limit-type flip trough is formed by the lower edge of the trough body as a secondary lower limit, which limits the downward movement of the secondary sorting plate. The upper part of the secondary semi-limited flip groove is formed by the upper edge of the groove body to form a secondary upper limit, and the lower part is an open structure. An inclined plate is provided on the inner wall of the sorting housing and below the secondary sorting plate.

5. The size separation apparatus for a nodulizing agent according to claim 2, wherein The lower part of the secondary sorting component is provided with a feeding hopper, which is connected to a three-way valve through a feeding port. One path of the three-way valve is connected to the feeding port located on the upper left side of the housing through a feeding pipe; the other path is connected to the powder recovery tank through a sorting pipe.

6. The size separation apparatus for a nodulizing agent according to claim 1, wherein The feeding trough is equipped with a feeding control valve.

Images