CN215693756U - High-efficient powder granulator - Google Patents

Abstract

The utility model relates to granulating equipment, in particular to a high-efficiency powder granulator which comprises a forming box, wherein a feeding unit is fixedly arranged on the forming box, the lower end of the feeding unit can extend into a forming box, a granulating unit is arranged in the forming box, a forming plate is arranged below the granulating unit in the forming box, the forming plate is horizontally arranged and is rotationally connected with the forming box, a third motor is fixedly arranged below the forming plate, the output end of the third motor is fixedly connected with the forming plate, the granulating unit is connected with a stirring unit in a transmission way, the stirring unit is positioned above the forming plate, a collecting box is arranged below the forming box, an opening is arranged on the collecting box, the screening mechanism is arranged in the collecting box and comprises a screening box and a driving unit, the screening box is arranged in the collecting box, and the upper end of the screening box is fixedly connected with the driving unit.

Description

High-efficient powder granulator

Technical Field

The utility model relates to granulation equipment, in particular to a high-efficiency powder granulator.

Background

The granulator is mainly used for pharmaceutical, food, fine chemical industry and other industrial enterprises, has various types, and basically adopts the principle of granulation through centrifugal force generated by rotation. The granulation mode in the existing medicine field, food field and chemical fertilizer field mainly adopts wet granulation, namely liquid such as a binder is added into a powdery material, so that fine powder forms granules or pills through nucleation, growth and molding under the action of the binder and external force; in the granulation process, powder materials and liquid are usually added into a closed cavity, the cavity is rotated at a high speed, the powder materials and the liquid are fully mixed to form paste materials through stirring of a reamer, and the paste materials are granulated through a formed pressure head by applying high-pressure gas.

At present, the fireworks and the medicines are granulated and granulated by a plurality of methods, including wet method granulation, dry method granulation and direct extrusion granulation. The utility model belongs to wet granulation, but the existing wet granulators in the world all adopt rigid pot bodies, and the pot bodies rotate at a certain speed to realize the bonding and collision of powder materials by adding material, adding water or liquid and adding gas for some parts, thereby realizing the wet granulation.

The disc type granulator on the market at present is characterized in that a motor is rigidly connected with the center of a disc, the disc can only do rotary motion, and produced agglomerates are easy to disperse. The center of the disc is coincident with the axis of the driving shaft, and the cluster can only do circular motion on the bottom surface of the disc. The existing granulating device can not ensure that the raw materials are completely and uniformly laid on a forming plate when the compression roller is used for granulating, and can not ensure that the granulating quality and the granulating size are uniform

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides the efficient powder granulator which is strong in practicability and good in using effect.

In order to achieve the above purpose, the utility model provides the following technical scheme:

the utility model provides a high-efficient powder granulator, including the shaping case, the fixed feeding unit that is provided with above the shaping case, the feeding unit lower extreme can stretch into the shaping incasement, the shaping incasement is provided with the pelletization unit, it is provided with the shaping board to lie in pelletization unit below in the shaping incasement, the shaping board level sets up and rotates with the shaping case to be connected, the fixed third motor that is provided with in shaping board below, third motor output and shaping board fixed connection, the last transmission of pelletization unit is connected with stirring unit, stirring unit lies in the shaping board top, shaping case below is provided with the collecting box, set up to the opening above the collecting box, be provided with screening mechanism in the collecting box, screening mechanism includes sieve case and drive unit, the sieve case sets up in the collecting box, and sieve case upper end and drive unit fixed connection, drive unit is fixed to be set up on the collecting box lateral wall, the fixed drying unit that is provided with of sieve incasement.

The further optimization of this technical scheme, the feeding unit includes the feeding case and defeated material subassembly, defeated material subassembly is including defeated material case and defeated material auger, defeated material case is fixed to be set up on the shaping incasement, defeated material auger level sets up in defeated material incasement, and one end passes defeated material lateral wall, and rotate with defeated material lateral wall and be connected, the fixed first motor that is provided with on the defeated material lateral wall, first motor output and defeated material auger one end fixed connection, the one end that first motor was kept away from to defeated material case can stretch into the shaping incasement, the one end that the feeding case is close to first motor is located defeated material incasement.

The further optimization of this technical scheme, pelletization unit include second motor and compression roller, second motor output and axis of rotation upper end fixed connection, and the pot head is equipped with fixed cover under the axis of rotation, and fixed cover rotates with the axis of rotation to be connected. The vertical setting of axis of rotation, the compression roller sets up for the rotation pivot symmetry, and the compression roller top is provided with the mounting panel, the compression roller both ends all are connected with the mounting panel lower extreme rotation, contact below the compression roller with above the profiled sheeting, the first end of fixedly connected with spring above the mounting panel, fixed connection below the spring other end and the fixed plate, the fixed plate level sets up, fixed plate one end and fixed cover fixed connection, the other end is connected for sliding with the profiled sheeting side, mounting panel one end is connected for sliding from top to bottom with fixed cover, the one end that the axis of rotation was kept away from to the mounting panel can be connected for sliding from top to bottom with the fixed plate lower extreme.

The further optimization of this technical scheme still includes the brush board, fixed connection below side and the mounting panel on the brush board, and the brush board is on a parallel with the mounting panel extending direction setting, and the brush board is lower than contacting with the compression roller.

The further optimization of this technical scheme, the stirring unit includes bevel gear subassembly and stirring subassembly, bevel gear subassembly cover is established in the axis of rotation, and with axis of rotation fixed connection, the bevel gear subassembly is located the fixed plate top, the stirring subassembly sets up for the axis of rotation symmetry, and the stirring subassembly is located between two compression rollers, and stirring subassembly one end is connected with bevel gear subassembly transmission, the stirring subassembly top is provided with the backup pad, backup pad one end is connected with the axis of rotation, and the other end is connected with the shaping case can slide, the stirring subassembly other end is connected with the backup pad lower extreme rotation.

The further optimization of this technical scheme, the bevel gear subassembly includes driving gear and driven gear, and the driving gear cover is established in the axis of rotation, and driven gear sets up for the driving gear symmetry, and with driving gear intermeshing, the stirring subassembly includes the fixed axle, and fixed axle one end nestification is in driven gear, and with driven gear internal fixation, the fixed axle other end rotates with the backup pad lower extreme and is connected, evenly is provided with stirring rod on the fixed axle, the crisscross setting of stirring rod length.

The further optimization of this technical scheme, screening mechanism include sieve case and drive unit, and drive unit includes mounting groove, fourth motor, rotating disc and movable plate, and the mounting groove is fixed to be set up on a collecting box upper end lateral wall, and the fourth motor is fixed to be set up in the mounting groove, and the fourth motor output rotates with rotating disc one side and is connected, and the fourth motor output is located rotating disc center department. The other side of the rotating disc is fixedly provided with a centrifugal shaft I, and the centrifugal shaft I is perpendicular to the rotating disc. The movable plate is parallel to the rotating disc, the upper end and the lower end of the movable plate are connected with the mounting groove in a sliding mode, and the movable plate can do left-right sliding motion relative to the mounting groove. The moving plate is provided with a limiting hole, the centrifugal shaft I penetrates through the limiting hole, and the centrifugal shaft I can do up-and-down sliding movement relative to the moving plate along the limiting hole. The movable plate is connected with the first end of dead lever, and the dead lever other end can pass the lateral wall that the mounting groove was kept away from to the collecting box, and stretch into the standing groove in, the dead lever level sets up, and the standing groove is fixed to be set up on the collecting box lateral wall, and the level is provided with tension spring in the standing groove, tension spring one end and standing groove inner wall fixed connection, the other end and fixed rod tip fixed connection, both ends all are provided with the slider about the dead lever, and the slider is connected for sliding with the standing groove inner wall, above the sieve case and dead lever fixed connection.

The further optimization of this technical scheme, the stoving unit includes the fifth motor, the connecting pipe, the fan, heater and play tuber pipe, the sieve incasement is fixed and is provided with the backup pad, but the connecting pipe lower extreme vertically passes the backup pad, and rotate in the backup pad and connect, it sets up to go out the tuber pipe level, and in connecting pipe lower extreme fixed connection, it is linked together with the connecting pipe to go out the tuber pipe, the connecting pipe is located same vertical straight line with play tuber pipe center department, the fifth motor is fixed to be set up in the backup pad, the fifth motor output is connected with the connecting pipe transmission, it is provided with the air outlet along going out tuber pipe extending direction equidistance below the tuber pipe, go out tuber pipe one end and fan output fixed connection, the fan input is linked together with the heater.

The further optimization of this technical scheme still includes the scraper blade, and the third motor output is located the profiled sheeting below cover and is provided with the installation cover, scraper blade one end and installation cover fixed connection, and the scraper blade level sets up.

Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the stirring units are arranged on the forming box and positioned at two sides of the compression roller, and the stirring units can discharge gaps among the powder raw materials to be granulated, so that when the compression roller presses the raw materials on the forming plate, the raw materials are uniformly paved on the forming plate all the time, and the efficiency and quality of powder raw material pressing are greatly improved. Simultaneously through setting up sieve case, stoving unit and drive unit, drive unit can drive the sieve case and carry out the ascending rocking of horizontal direction for the screening speed of powder raw materials. Meanwhile, the drying unit can dry the powder particles more uniformly and quickly. The utility model has simple structure and convenient use, greatly improves the quality and efficiency of powder particle forming, and has good practicability and applicability.

Drawings

Fig. 1 is a schematic sectional view of a high-efficiency powder granulator.

In the figure: the device comprises a material conveying box 1, a material conveying auger 2, a forming box 3, a fixed shaft 4, a compression roller 5, a scraping plate 6, a mounting groove 7, a moving plate 8, a rotating disc 9, an air outlet pipe 10, a collecting box 11, a sieve box 12, a fixed rod 13, a third motor 14, a forming plate 15 and a second motor 16.

Detailed Description

To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.

Referring to fig. 1, a schematic cross-sectional view of a high-efficiency powder granulator is shown, which includes a forming box 3, a feeding unit is fixedly disposed on the forming box 3, and a lower end of the feeding unit can extend into the forming box 3. The feeding unit comprises a feeding box and a material conveying assembly, the material conveying assembly comprises a material conveying box 1 and a material conveying auger 2, the material conveying box 1 is fixedly arranged on the forming box 3, the material conveying auger 2 is horizontally arranged in the material conveying box 1, and penetrates through the side wall of the material conveying box 1 and is rotatably connected with the side wall of the material conveying box 1. The first motor is fixedly arranged on the side wall of the material conveying box 1, the output end of the first motor is fixedly connected with one end of the material conveying auger 2, one end, away from the first motor, of the material conveying box 1 can extend into the forming box 3, the feeding box is located at one end, close to the first motor, above the material conveying box 1, the feeding box is fixedly arranged above the material conveying box 1, and the feeding box is communicated with the material conveying box 1.

1. Be provided with the pelletization unit in the shaping case 3, the pelletization unit includes second motor and compression roller 16, and second motor 16 is fixed to be set up in the shaping case 3. The output end of the second motor 16 is fixedly connected with the upper end of the rotating shaft, the lower end of the rotating shaft is sleeved with a fixing sleeve, and the fixing sleeve is rotatably connected with the rotating shaft. The vertical setting of axis of rotation, compression roller 5 sets up for the rotation axis symmetry, and is provided with the mounting panel above the compression roller 5, and 5 both ends of compression roller all rotate with the mounting panel lower extreme and are connected, contact with above the shaping board 15 below the compression roller 5. The first end of fixedly connected with spring above the mounting panel, fixed connection below the spring other end and the fixed plate, the fixed plate level sets up, fixed plate one end and fixed cover fixed connection, and the other end is connected for sliding with 3 sides of shaping case. One end of the mounting plate is connected with the fixing sleeve in a vertically sliding manner, and the end, far away from the rotating shaft, of the mounting plate is connected with the lower end of the fixing plate in a vertically sliding manner. The automatic press roller is characterized by further comprising a brush plate, the upper side edge of the brush plate is fixedly connected with the lower surface of the mounting plate, the brush plate is arranged in parallel to the extending direction of the mounting plate, and the lower side of the brush plate is in contact with the press roller 5.

Be located pelletization unit below in the shaping plate 15 and be provided with shaping plate 15, shaping plate 15 level sets up and rotates with shaping case 3 to be connected, and shaping plate 15 below is fixed to be provided with third motor 14, third motor 14 output and shaping plate 15 fixed connection. The forming plate 15 is evenly provided with forming holes, and the forming holes vertically penetrate through the forming plate 15.

The last transmission connection of pelletization unit has the stirring unit, and the stirring unit includes bevel gear subassembly and stirring subassembly, and the bevel gear subassembly includes driving gear and driven gear, and the driving gear cover is established on the axis of rotation, and driven gear sets up for the driving gear symmetry, and with driving gear intermeshing. The stirring subassembly is located between two compression rollers 5, and the stirring subassembly top is provided with the backup pad, and backup pad one end is rotated with the axis of rotation and is connected, and the other end can slide with shaping case 3 and be connected. The stirring assembly comprises a fixing shaft 4, one end of the fixing shaft 4 is nested in the driven gear and is fixedly connected with the interior of the driven gear, the other end of the fixing shaft 4 is rotatably connected with the lower end of the supporting plate, stirring rods are uniformly arranged on the fixing shaft 4, and the length of the stirring rods is staggered.

The forming box 3 below is provided with collecting box 11, set up to the opening above the collecting box 11, be provided with screening mechanism in the collecting box 11, screening mechanism includes sieve case 12 and drive unit, drive unit includes mounting groove 7, the fourth motor, carousel 9 and movable plate 8 rotate, mounting groove 7 is fixed to be set up on 11 upper end lateral walls of collecting box, the fourth motor is fixed to be set up in mounting groove 7, the fourth motor output rotates with carousel 9 simultaneously and is connected, and the fourth motor output is located carousel 9 center department. The other side of the rotating disc 9 is fixedly provided with a centrifugal shaft I, and the centrifugal shaft I is perpendicular to the rotating disc 9. The moving plate 8 is arranged in parallel with the rotating disc 9, the upper end and the lower end of the moving plate 8 are connected with the mounting groove 7 in a sliding mode, and the moving plate 8 can do left-right sliding motion relative to the mounting groove 7. The moving plate 8 is provided with a limiting hole, the centrifugal shaft I penetrates through the limiting hole, and the centrifugal shaft I can do up-and-down sliding movement relative to the moving plate 8 along the limiting hole. The movable plate 8 is connected with the first end of fixed plate, the fixed plate other end can pass the lateral wall that the mounting groove 7 was kept away from to collecting box 11, and stretch into the standing groove in, the fixed plate level sets up, the standing groove is fixed to be set up on collecting box 11 lateral wall, and the level is provided with tension spring in the standing groove, tension spring one end and standing groove inner wall fixed connection, the other end and fixed plate tip fixed connection, both ends all are provided with the slider about the fixed plate, the slider is connected for sliding with the standing groove inner wall, sieve case 12 above with fixed plate fixed connection.

A drying unit is fixedly arranged in the sieve box 12. The stoving unit includes the fifth motor, the connecting pipe, the fan, heater and play tuber pipe 10, sieve case 12 internal fixation is provided with the backup pad, but the connecting pipe lower extreme is vertical to be passed the backup pad, and rotate in the backup pad and connect, it sets up to go out tuber pipe 10 level, and in connecting pipe lower extreme fixed connection, it is linked together with the connecting pipe to go out tuber pipe 10, the connecting pipe is located same vertical straight line with play tuber pipe 10 center department, the fifth motor is fixed to be set up in the backup pad, fifth motor output end is connected with the connecting pipe transmission, it is provided with the air outlet along a tuber pipe 10 extending direction equidistance below the tuber pipe 10, go out 10 one ends of tuber pipe and fan output end fixed connection, the fan input is linked together with the heater.

When the powder material forming machine is used, powder raw materials are poured into a feeding box and enter a material conveying box 1 through the feeding box, a first motor is started, the first motor can drive a material conveying auger 2 to rotate, the material conveying auger 2 can pour the powder raw materials to be granulated into a forming box 3, a second motor 16 and a third motor 14 are started at the same time, the third motor 14 can drive a forming plate 15 to rotate, meanwhile, a spring arranged on a fixing plate can enable a mounting plate to drive a compression roller 5 to abut against the forming plate 15, and when the forming plate 15 rotates, the compression roller 5 can press the raw materials on the forming plate 15 into forming holes arranged on the forming plate 15 to perform compression forming. Meanwhile, the rotating shaft rotates to drive the bevel gear component to drive the fixing shaft 4 to rotate, and the fixing shaft 4 can drive the stirring rod arranged on the fixing shaft to stir the raw materials in the forming box 3. The clearance in the raw materials that discharges will stir the subassembly setting between compression roller 5, can make compression roller 5 when suppressing the raw materials on the profiled sheeting 15, the raw materials has been laid evenly all the time on the profiled sheeting 15, has improved the efficiency and the quality of powder raw materials suppression. The scraper 6 that the output of third motor 14 set up when the profiled sheeting 15 rotates, can be with the profiled raw materials that the profiled sheeting 15 below was extruded, break, the raw materials granule after the fracture falls in sieve case 12. And simultaneously starting the fourth motor and the fifth motor, wherein the fourth motor can drive the rotating disc 9 to rotate, a centrifugal shaft I arranged on the rotating disc 9 can move up and down along the limiting hole on the moving plate 8, the moving plate 8 is driven to move left and right along the mounting groove 7, and the moving plate 8 simultaneously drives the fixed rod 13 to move left and right. Simultaneously, the screen box 12 can move left and right along with the fixed rod 13, and the powder particles in the screen box 12 are screened, so that powder or particles which cannot be molded are screened out. The draught fan is started simultaneously, and the draught fan can introduce the air current after speaking the heater heating into the tuber pipe 10 to blow to the powder granule in sieve case 12 by the air outlet on the tuber pipe 10, fifth motor accessible drive unit drives the connecting pipe simultaneously and rotates, and the connecting pipe then drives out the horizontal rotation of tuber pipe 10, dries the raw materials in sieve case 12.

According to the utility model, the stirring units are arranged on the forming box 3 and positioned at two sides of the compression roller 5, and the stirring units can discharge gaps among the powder raw materials to be granulated, so that when the compression roller 5 presses the raw materials on the forming plate 15, the raw materials are uniformly paved on the forming plate 15 all the time, and the efficiency and quality of powder raw material pressing are greatly improved. Meanwhile, by arranging the screen box 12, the drying unit and the driving unit, the driving unit can drive the screen box 12 to shake in the horizontal direction, and the screening speed of the powder raw materials is increased. Meanwhile, the drying unit can dry the powder particles more uniformly and quickly. The utility model has simple structure and convenient use, greatly improves the quality and efficiency of powder particle forming, and has good practicability and applicability.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include elements inherent to such process, method, article, or terminal. Without further limitation, elements identified by the phrases "comprising … …" or "comprising … …" do not exclude the presence of additional elements in the process, method, article, or terminal that comprises the element. Further, herein, "greater than", includes not only those elements but also other elements not explicitly listed, or also "less than", "more than", and the like are understood to exclude the present number; the terms "above", "below", "within" and the like are to be understood as including the number.

Although the embodiments have been described, once the basic inventive concept is obtained, other variations and modifications of these embodiments can be made by those skilled in the art, so that these embodiments are only examples of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes that can be used in the present specification and drawings, or used directly or indirectly in other related fields are encompassed by the present invention.

Claims (9)

1. A high-efficiency powder granulator is characterized by comprising a forming box, wherein a feeding unit is fixedly arranged on the forming box, the lower end of the feeding unit can extend into the forming box, a granulating unit is arranged in the forming box, a forming plate is arranged below the granulating unit in the forming box, the forming plate is horizontally arranged and is rotatably connected with the forming box, a third motor is fixedly arranged below the forming plate, the output end of the third motor is fixedly connected with the forming plate, a stirring unit is movably connected onto the granulating unit, the stirring unit is arranged above the forming plate, a collecting box is arranged below the forming box, an opening is formed in the upper surface of the collecting box, a screening mechanism is arranged in the collecting box and comprises a screen box and a driving unit, the screen box is arranged in the collecting box, and the upper end of the screen box is fixedly connected with the driving unit, the driving unit is fixedly arranged on the side wall of the collecting box, and the drying unit is fixedly arranged in the screen box.

2. The efficient powder granulator according to claim 1, wherein the feeding unit comprises a feeding box and a feeding assembly, the feeding assembly comprises a feeding box and a feeding auger, the feeding box is fixedly arranged on the forming box, the feeding auger is horizontally arranged in the feeding box, one end of the feeding auger penetrates through the side wall of the feeding box and is rotatably connected with the side wall of the feeding box, a first motor is fixedly arranged on the side wall of the feeding box, the output end of the first motor is fixedly connected with one end of the feeding auger, one end of the feeding box, which is far away from the first motor, can extend into the forming box, and the feeding box is positioned at one end, which is close to the first motor, of the feeding box.

3. The efficient powder granulator according to claim 1, wherein the granulating unit comprises a second motor and a press roller, the output end of the second motor is fixedly connected with the upper end of the rotating shaft, the lower end of the rotating shaft is sleeved with a fixing sleeve, the fixing sleeve is rotatably connected with the rotating shaft, the rotating shaft is vertically arranged, the press roller is symmetrically arranged relative to the rotating shaft, a mounting plate is arranged above the press roller, both ends of the press roller are rotatably connected with the lower end of the mounting plate, the lower surface of the press roller is contacted with the upper surface of the forming plate, a first end of a spring is fixedly connected with the upper surface of the mounting plate, the other end of the spring is fixedly connected with the lower surface of the fixing plate, the fixing plate is horizontally arranged, one end of the fixing plate is fixedly connected with the fixing sleeve, the other end of the fixing plate is slidably connected with the side edge of the forming box, one end of the mounting plate is slidably connected with the fixing sleeve up and down, the one end that the axis of rotation was kept away from to the mounting panel can be with the fixed plate lower extreme for sliding connection from top to bottom.

4. The efficient powder granulator according to claim 3, further comprising a brush plate, wherein the upper side edge of the brush plate is fixedly connected with the lower surface of the mounting plate, the brush plate is arranged in parallel with the extending direction of the mounting plate, and the lower surface of the brush plate is in contact with the press roller.

5. The efficient powder granulator according to claim 3, wherein the stirring unit comprises a bevel gear assembly and a stirring assembly, the bevel gear assembly is sleeved on the rotating shaft and is fixedly connected with the rotating shaft, the bevel gear assembly is positioned above the fixing plate, the stirring assembly is symmetrically arranged relative to the rotating shaft and is positioned between the two pressing rollers, one end of the stirring assembly is in transmission connection with the bevel gear assembly, a supporting plate is arranged above the stirring assembly, one end of the supporting plate is in rotational connection with the rotating shaft, the other end of the supporting plate is in slidable connection with the forming box, and the other end of the stirring assembly is in rotational connection with the lower end of the supporting plate.

6. The efficient powder granulator according to claim 5, wherein the bevel gear assembly comprises a driving gear and a driven gear, the driving gear is sleeved on the rotating shaft, the driven gear is symmetrically arranged relative to the driving gear and is meshed with the driving gear, the stirring assembly comprises a fixed shaft, one end of the fixed shaft is nested in the driven gear and is fixedly connected with the inside of the driven gear, the other end of the fixed shaft is rotatably connected with the lower end of the support plate, stirring rods are uniformly arranged on the fixed shaft, and the stirring rods are staggered in length.

7. The efficient powder granulator according to claim 1, wherein the sieving mechanism comprises a sieving box and a driving unit, the driving unit comprises a mounting groove, a fourth motor, a rotating disc and a moving plate, the mounting groove is fixedly arranged on one side wall of the upper end of the collecting box, the fourth motor is fixedly arranged in the mounting groove, the output end of the fourth motor is rotatably connected with one side of the rotating disc, the output end of the fourth motor is positioned at the center of the rotating disc, the other side of the rotating disc is fixedly provided with a centrifugal shaft I, the centrifugal shaft I is arranged perpendicular to the rotating disc, the moving plate is arranged parallel to the rotating disc, the upper end and the lower end of the moving plate are both slidably connected with the mounting groove, the moving plate can perform left-right sliding movement relative to the mounting groove, the moving plate is provided with a limiting hole, and the centrifugal shaft I penetrates through the limiting hole, and the centrifugal shaft I can do up-and-down sliding motion relative to the movable plate along the limiting hole, the movable plate is connected with a first end of a fixed rod, the other end of the fixed rod can penetrate through the side wall of the collecting box far away from the mounting groove and extend into the placing groove, the fixed rod is horizontally arranged, the placing groove is fixedly arranged on the side wall of the collecting box, a tension spring is horizontally arranged in the placing groove, one end of the tension spring is fixedly connected with the inner wall of the placing groove, the other end of the tension spring is fixedly connected with the end part of the fixed rod, sliding blocks are arranged at the upper end and the lower end of the fixed rod, the sliding blocks are connected with the inner wall of the placing groove in a sliding mode, and the upper surface of the screen box is fixedly connected with the fixed rod.

8. The efficient powder granulator according to claim 7, wherein the drying unit comprises a fifth motor, a connecting pipe, a fan, a heater and an air outlet pipe, a support plate is fixedly arranged in the sieve box, the lower end of the connecting pipe can vertically penetrate through the support plate and is rotatably connected with the support plate, the air outlet pipe is horizontally arranged and is fixedly connected with the lower end of the connecting pipe, the air outlet pipe is communicated with the connecting pipe, the connecting pipe and the center of the air outlet pipe are positioned on the same vertical straight line, the fifth motor is fixedly arranged on the support plate, the output end of the fifth motor is in transmission connection with the connecting pipe, air outlets are arranged at equal intervals below the air outlet pipe along the extending direction of the air outlet pipe, one end of the air outlet pipe is fixedly connected with the output end of the fan, and the input end of the fan is communicated with the heater.

9. The efficient powder granulator according to claim 3 further comprising a scraper, wherein the output end of the third motor is sleeved with a mounting sleeve below the forming plate, one end of the scraper is fixedly connected with the mounting sleeve, and the scraper is horizontally arranged.

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