Granular organic fertilizer screening low-temperature drying machine

Abstract

The granular organic fertilizer screening low-temperature drying machine comprises an equipment base, a bottom plate is arranged below the equipment base, the equipment base is fixed to the upper portion of the bottom plate through spring rods, a mounting frame is arranged above the equipment base, and a low-temperature drying barrel is rotationally mounted above the mounting frame; a barrel-shaped screen is fixed to the inner wall of the low-temperature drying barrel through a supporting rod. According to the granular organic fertilizer screening low-temperature drying machine, an impact block is driven by a folding frame to rapidly move downwards, then impact on a low-temperature drying barrel is achieved, vibration is formed, then an upper triangular block is pushed by an outer shifting rod to drive a whole driving plate to slide upwards, a lower triangular block extrudes a rotating block, and the lower triangular block is limited after the rotating block rotates and resets; the low-temperature drying barrel is intermittently impacted and vibrated, the vibration effect is good, knocking point positions are inconsistent each time, the vibration stripping anti-blocking effect is improved, the barrel-shaped screen is effectively prevented from being blocked, and the filtering efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of organic fertilizer drying, in particular to a granular organic fertilizer screening low-temperature drying machine. BACKGROUND

[0002] Granular biological organic fertilizer is a kind of granular fertilizer made of organic materials such as livestock manure, plant and animal residues, etc. as main raw materials, through composting and fermentation, adding functional microbial flora (such as nitrogen-fixing bacteria, phosphorus-solubilizing bacteria, potassium-solubilizing bacteria, etc.), and then through granulation process. In the production process of granular biological organic fertilizer, low-temperature drying machine is generally used for drying treatment, and screening treatment is carried out after drying treatment.

[0003] The existing low-temperature drying machine is not convenient for synchronous screening work when carrying out low-temperature drying treatment, and the processing efficiency is low, and a large amount of granular organic fertilizer is easily accumulated together in the drying process, thereby causing insufficient drying and affecting the drying efficiency. Therefore, the present application provides a granular organic fertilizer screening low-temperature drying machine to solve the above-mentioned problems. SUMMARY

[0004] In view of the deficiencies of the prior art, the present application provides a granular organic fertilizer screening low-temperature drying machine to solve the problems mentioned in the background art.

[0005] To achieve the above purpose, the present application is realized by the following technical scheme: a granular organic fertilizer screening low-temperature drying machine, comprising a device base, a bottom plate is arranged below the device base, the device base is fixed above the bottom plate through a spring rod, an installation frame is arranged above the device base, a low-temperature drying cylinder is rotatably installed above the installation frame, a cylindrical screen is fixed to the inner wall of the low-temperature drying cylinder through a support rod, a feed hopper is fixed to the installation frame through a support, the feed hopper is rotatably installed at the end of the low-temperature drying cylinder, drive wheels are fixed to the both sides of the surface of the low-temperature drying cylinder, a transmission shaft is rotatably installed above the installation frame, drive wheels are fixed to the both sides of the surface of the transmission shaft, a double-shaft motor is fixed to the device base, a lower sprocket is fixed to one end of the output shaft of the double-shaft motor, an upper sprocket is fixed to the surface of the transmission shaft, the lower sprocket and the upper sprocket are connected by a chain transmission, a support plate is slidably installed on the installation frame, a force-accumulating impact vibration unit is arranged on the support plate for impacting the surface of the low-temperature drying cylinder, a horizontal jolting assembly is arranged between the double-shaft motor and the device base, the horizontal jolting assembly is used to drive the installation frame to reciprocate left and right, and a jolting assembly is arranged between the low-temperature drying cylinder and the installation frame and cooperates with the spring rod.

[0006] Preferably, the force-accumulating impact vibration unit comprises a hollow shaft penetrating and rotating on a support plate, the surface of the hollow shaft is fixed with a disc body, the side of the support plate is fixed with a sliding rail, a driving plate is slidingly installed on the sliding rail, a lower triangular block is fixed on the driving plate, a rotating block is rotatably installed on the support plate through a pin shaft, the rotating block is provided with a positioning groove matched with the lower triangular block, the surface of the pin shaft is sleeved with a reset torsion spring, the surface of the rotating block is fixed with a push rod, the left side of the disc body is fixed with an inner lever matched with the push rod, the right side of the disc body is fixed with an outer lever, an upper triangular block matched with the outer lever is fixed on the driving plate, a folding frame is fixed at the rear of the driving plate, an impact block is fixed below the folding frame, a spring block is fixed on the side of the support plate, a force-accumulating spring is fixed between the spring block and the folding frame, and a power unit is arranged between the transmission shaft and the mounting frame.

[0007] Preferably, the power unit comprises a lower belt pulley fixed on the surface of the transmission shaft, a support strip is fixed on the mounting frame, an insertion shaft penetrates and rotates on the support strip, an upper belt pulley is fixed on the surface of the insertion shaft, the surfaces of the upper and lower belt pulleys are connected through a belt transmission, the hollow shaft is sleeved on the surface of the insertion shaft, the surface of the insertion shaft is fixed with a rib, the surface of the hollow shaft is provided with a rib groove matched with the rib, and a reciprocating air cylinder is fixed on the mounting frame, which is used to drive the support plate to reciprocate left and right.

[0008] Preferably, the horizontal bumping assembly comprises a cylindrical block fixed above the equipment base, the output shaft end of the double-shaft motor is fixed with a driving shaft, the surface of the driving shaft is fixed with a welding plate, the left side of the cylindrical block is provided with an annular wave groove, the side of the welding plate is embeddedly installed with a resistance-reducing ball matched with the annular wave groove, a convex block is fixed above the equipment base, and a power spring is fixed between the convex block and the mounting frame.

[0009] Preferably, a roller is installed on each of the four feet at the bottom of the mounting frame, and a roller groove matched with the roller is formed in the equipment base.

[0010] Preferably, the rear of the rotating block is provided as an inclined surface, when the lower triangular block rises with the driving plate, the lower triangular block can smoothly drive the rotating block to rotate.

[0011] Preferably, under the action of the reset torsion spring, the rotating block is reset, and the lower triangular block is limited and blocked.

[0012] Preferably, the surface of the cylindrical screen is provided with a filter door, and the surface of the low-temperature drying cylinder is provided with a cylinder door.

[0013] Preferably, the shaking assembly comprises a gear ring rotatably mounted on the surface of the low-temperature drying cylinder, an accelerating gear rotatably mounted on the mounting frame through a connecting shaft and engaged with the gear ring, and a counterweight lead block fixed to the outer side of the accelerating gear.

[0014] Advantages The application provides a granular organic fertilizer screening low-temperature drying machine. (1) The granular organic fertilizer screening low-temperature drying machine can intermittently impact and vibrate the low-temperature drying cylinder, the vibration effect is better, the impact block can also reciprocate left and right, the point of each knock is inconsistent, the vibration and anti-blocking effect is improved, the cylinder screen is prevented from being blocked, the screening and filtering efficiency is improved, and manual regular cleaning is avoided.

[0015] (2) The granular organic fertilizer screening low-temperature drying machine can drive the welding plate to rotate through the double-shaft motor, drive the whole resistance-reducing ball to move in the annular wave groove, and facilitate the left and right reciprocating sliding of the whole mounting frame, so that the low-temperature drying cylinder can be shaken, the flowability of the internal granular organic fertilizer is improved, the gear ring drives the accelerating gear to rotate at a high speed, the whole mounting frame can also be rapidly shaken up and down under the cooperation of the counterweight lead and the spring rod, the flowability of the internal granular organic fertilizer is improved, the screening and filtering work is accelerated, the granular organic fertilizer drying is more uniform, and the drying efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic view of the overall structure of the application; Figure 2 It is a schematic view of the connection between the mounting frame and the low-temperature drying cylinder of the application; Figure 3 It is a schematic view of the support plate structure of the application; Figure 4 It is a schematic view of the rotating block structure of the application; Figure 5 It is a schematic view of the driving plate structure of the application; Figure 6 It is a schematic view of the power unit local structure of the application; Figure 7 It is a schematic view of theFigure 1 Enlarged view of part A in Fig. 1; Figure 8 Schematic diagram of the connection between the double-shaft motor and the driving shaft of the present application; Figure 9 Schematic diagram of the connection between the double-shaft motor and the driving shaft of the present application; Figure 2 Enlarged view of part B in Fig. 1; Figure 10 Side sectional view of the internal structure of the low-temperature drying cylinder of the present application; Figure 11 Schematic diagram of the cylindrical screen structure of the present application.

[0017] In the figure: 1 - device base, 2 - mounting frame, 3 - low-temperature drying cylinder, 4 - transmission ring, 5 - transmission shaft, 6 - driving wheel, 7 - double-shaft motor, 8 - force-accumulating impact vibration unit, 81 - hollow shaft, 82 - disc body, 83 - slide rail, 84 - driving plate, 85 - lower triangular block, 86 - pin shaft, 87 - rotating block, 88 - positioning groove, 89 - return torsional spring, 810 - push rod, 811 - inner lever, 812 - outer lever, 813 - upper triangular block, 814 - folding frame, 815 - impact block, 816 - spring block, 817 - force-accumulating spring, 818 - power unit, 8181 - lower pulley, 8182 - support bar, 8183 - insertion shaft, 8184 - upper pulley, 8185 - belt, 8186 - rib, 8187 - rib groove, 8188 - reciprocating air cylinder, 9 - horizontal jolt assembly, 91 - cylindrical block, 92 - driving shaft, 93 - welded plate, 94 - annular wavy groove, 95 - drag-reducing ball, 96 - protruding block, 97 - power spring, 10 - lower sprocket, 11 - upper sprocket, 12 - chain, 13 - support plate, 14 - roller, 15 - roller groove, 16 - rubber protective pad, 17 - bottom plate, 18 - support rod, 19 - cylindrical screen, 20 - feeding hopper, 21 - spring rod, 22 - jolt assembly, 221 - gear ring, 222 - connecting shaft, 223 - acceleration gear, 224 - counterweight lead block, 23 - filter screen door, 24 - cylinder door. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0019] Please refer to Figures 1-11The application provides the following technical scheme: a granular organic fertilizer screening low-temperature dryer, which comprises an equipment base 1, a bottom plate 17 is arranged below the equipment base 1, the equipment base 1 is fixed above the bottom plate 17 through spring rods 21, a plurality of spring rods 21 are arranged, an installation frame 2 is arranged above the equipment base 1, rollers 14 are arranged at the bottom of four feet of the installation frame 2, roller grooves 15 that are matched with the rollers 14 are formed in the equipment base 1, a low-temperature drying cylinder 3 is rotatably arranged above the installation frame 2, heating pipes are arranged on the inner wall of the low-temperature drying cylinder 3 and are used for low-temperature drying treatment, a cylindrical screen 19 is fixed to the inner wall of the low-temperature drying cylinder 3 through a support rod 18, and the inner wall of the cylindrical screen 19 is also provided with a heating pipe and is used for low-temperature drying treatment, the design of the middle thick and the two ends gradually thin is adopted, so that the granular organic fertilizer is concentrated in the middle region and is conveniently discharged in the later period, the right side is designed to be closed, and the left side is designed to be open, a feeding hopper 20 is fixed to the installation frame 2 through a support, the feeding hopper 20 is rotatably arranged at the end of the low-temperature drying cylinder 3, one end of the feeding hopper 20 extends into the cylindrical screen 19, transmission rings 4 are fixed to the surfaces of the two sides of the low-temperature drying cylinder 3, a transmission shaft 5 is rotatably arranged above the installation frame 2, drive wheels 6 that are used in cooperation with the transmission rings 4 are fixed to the surfaces of the two sides of the transmission shaft 5, the low-temperature drying cylinder 3 is driven to rotate through the cooperation of the drive wheels 6 and the transmission rings 4, a double-shaft motor 7 is fixed to the equipment base 1, the double-shaft motor 7 is electrically connected with an external power supply and is controlled through a control switch, an output shaft of the double-shaft motor 7 penetrates through the whole motor shell, a lower sprocket 10 is fixed to one end of the output shaft of the double-shaft motor 7, an upper sprocket 11 is fixed to the surface of the transmission shaft 5, the lower sprocket 10 and the upper sprocket 11 are drivingly connected through a chain 12, a supporting plate 13 is slidingly arranged on the installation frame 2, the supporting plate 13 can reciprocatingly slide above the installation frame 2, a force-accumulating impact vibration unit 8 for impacting the surface of the low-temperature drying cylinder 3 is arranged on the supporting plate 13, a horizontal jolt assembly 9 is arranged between the double-shaft motor 7 and the equipment base 1, the horizontal jolt assembly 9 is used for driving the installation frame 2 to reciprocatingly vibrate, so that the low-temperature drying cylinder 3 can also reciprocatingly move during rotation, the flowability of the granular organic fertilizer in the low-temperature drying cylinder 3 is better, and a jolt assembly 22 that is used in cooperation with the spring rods 21 is arranged between the low-temperature drying cylinder 3 and the installation frame 2.

[0020] In the embodiment, the force storage and impact vibration unit 8 comprises a hollow shaft 81 rotatably penetrating the support plate 13, the surface of the hollow shaft 81 is fixedly provided with a disc body 82, the side surface of the support plate 13 is fixedly provided with a sliding rail 83, the sliding rail 83 is slidingly provided with a driving plate 84, the driving plate 84 slides up and down on the side surface of the sliding rail 83, the driving plate 84 is fixedly provided with a lower triangular block 85, the support plate 13 is rotatably provided with a rotating block 87 through a pin shaft 86, the rotating block 87 is provided with a positioning groove 88 matched with the lower triangular block 85, the lower triangular block 85 is blocked by the positioning groove 88, the surface of the pin shaft 86 is sleeved with a reset torsional spring 89, the reset torsional spring 89 is arranged to facilitate the quick rotation and reset of the rotating block 87, the surface of the rotating block 87 is fixedly provided with a push rod 810, the left side of the disc body 82 is fixedly provided with an inner shifting rod 811 matched with the push rod 810, the right side of the disc body 82 is fixedly provided with an outer shifting rod 812, the driving plate 84 is fixedly provided with an upper triangular block 813 matched with the outer shifting rod 812, the rear of the driving plate 84 is fixedly provided with a folding frame 814, the lower portion of the folding frame 814 is fixedly provided with an impact block 815, the lower portion of the impact block 815 is fixedly provided with a rubber protection pad 16, the rubber protection pad 16 is arranged to protect the low-temperature drying cylinder 3 and prevent direct rigid contact from damaging the low-temperature drying cylinder 3, the side surface of the support plate 13 is fixedly provided with a spring block 816, the spring block 816 and the folding frame 814 are fixedly provided with a force storage spring 817, the force storage spring 817 can store force after being compressed, and the elastic potential energy is converted into kinetic energy after the force storage is released, the folding frame 814 drives the impact block 815 to quickly move downward, thereby impacting the low-temperature drying cylinder 3 to form vibration, and the transmission shaft 5 and the mounting frame 2 are provided with a power unit 818.

[0021] In the embodiment, the power unit 818 comprises a lower belt pulley 8181 fixed to the surface of the transmission shaft 5, a support strip 8182 fixed to the mounting frame 2, an insertion shaft 8183 rotatably penetrating the support strip 8182, the surface of the insertion shaft 8183 is fixedly provided with an upper belt pulley 8184, the surface of the upper belt pulley 8184 and the surface of the lower belt pulley 8181 are drivingly connected through a belt 8185, the hollow shaft 81 is sleeved on the surface of the insertion shaft 8183, the surface of the insertion shaft 8183 is fixedly provided with a rib 8186, the surface of the hollow shaft 81 is provided with a rib groove 8187 matched with the rib 8186, the rib 8186 and the rib groove 8187 are arranged to facilitate the synchronous rotation of the hollow shaft 81 when the insertion shaft 8183 rotates, and the hollow shaft 81 can also move left and right as a whole, the mounting frame 2 is fixedly provided with a reciprocating air cylinder 8188, the reciprocating air cylinder 8188 continuously performs left and right reciprocating operations, and the reciprocating air cylinder 8188 is used to drive the entire support plate 13 to reciprocally slide left and right, so that the impact block 815 does not hit at the same point each time, thereby improving the vibration and anti-blocking effect.

[0022] In this embodiment, the horizontal jolt assembly 9 comprises a cylindrical block 91 fixed above the device base 1, the output shaft end of the double-shaft motor 7 is fixed with a driving shaft 92, the surface of the driving shaft 92 is fixed with a welding plate 93, the left side of the cylindrical block 91 is provided with an annular wave groove 94, the side surface of the welding plate 93 is embeddedly installed with a drag-reducing ball 95 used in cooperation with the annular wave groove 94, a protrusion 96 is fixed above the device base 1, a power spring 97 is fixed between the protrusion 96 and the mounting frame 2, the installation of the drag-reducing ball 95 adopts a similar principle to a ball pen, through the setting of the drag-reducing ball 95, the friction between the drag-reducing ball 95 and the annular wave groove 94 can be reduced, and in cooperation with the setting of the power spring 97, the whole mounting frame 2 can reciprocate left and right, so that the low-temperature drying cylinder 3 can be shaken, and the flowability of the internal granular organic fertilizer is increased.

[0023] In this embodiment, the rear of the rotating block 87 is provided as an inclined surface, when the lower triangular block 85 rises with the driving plate 84, the lower triangular block 85 can smoothly drive the rotating block 87 to rotate, under the action of the reset torsional spring 89, the rotating block 87 is reset, the lower triangular block 85 is limited and blocked, and the whole force storage spring 817 is realized to store force.

[0024] In this embodiment, the surface of the cylindrical screen 19 is provided with a filter screen door 23, the filter screen door 23 is used to close the cylindrical screen 19, and existing lock buckles are used for connection, so that the filter screen door 23 can be opened and closed, the surface of the low-temperature drying cylinder 3 is provided with a cylinder door 24, the cylinder door 24 is connected with the low-temperature drying cylinder 3 by using existing lock buckles, the sealing between the cylinder door 24 and the low-temperature drying cylinder 3 is good, and the inner diameter of the low-temperature drying cylinder 3 is largest near the cylinder door 24, so that the granular organic fertilizer can be concentrated and discharged.

[0025] In this embodiment, the jolt assembly 22 comprises a gear ring 221 rotatably installed on the surface of the low-temperature drying cylinder 3, an acceleration gear 223 engaged with the gear ring 221 is rotatably installed on the mounting frame 2 through a connecting shaft 222, the diameter of the acceleration gear 223 is smaller than the diameter of the gear ring 221, so that the rapid rotation of the acceleration gear 223 is realized, and a counterweight lead block 224 is fixed on the outside of the acceleration gear 223, and the counterweight lead block 224 is rotatable to cooperate with the spring rod 21, so that the whole mounting frame 2 can also be rapidly jolted up and down.

[0026] Meanwhile, the contents not described in detail in the specification all belong to the existing technology known to those skilled in the art.

[0027] When drying treatment is needed, the granular organic fertilizer is poured into the cylindrical screen 19 in the low-temperature drying cylinder 3 through the feeding hopper 20, and then the dual-shaft motor 7 is started to drive the transmission shaft 5 to rotate through the lower sprocket 10, the upper sprocket 11 and the chain 12, and the low-temperature drying cylinder 3 is driven to rotate as a whole through the driving wheel 6, and the granular organic fertilizer is tumbled and flows for drying treatment while the cylindrical screen 19 rotates, and the small granular organic fertilizer directly falls into the low-temperature drying cylinder 3; the large granular organic fertilizer is retained in the cylindrical screen 19 and can tumble and flow for drying treatment at the same time as the small granular organic fertilizer under the action of the heating pipe, and the insertion shaft 8183 is driven to rotate through the lower belt pulley 8181, the upper belt pulley 8184 and the belt 8185, and the hollow shaft 81 is driven to rotate synchronously through the setting of the rib 8186 and the rib groove 8187 when the insertion shaft 8183 rotates, and then the entire disc body 82 is driven to rotate counterclockwise, the rotating block 87 is driven to rotate through the extrusion of the inner lever 811 on the push rod 810, the positioning groove 88 loses the blocking of the lower triangular block 85, the elastic potential energy of the force storage spring 817 is converted into kinetic energy, the impact block 815 is quickly moved downward through the setting of the folding frame 814, and then the low-temperature drying cylinder 3 is impacted to form vibration, the upper triangular block 813 is pushed by the outer lever 812 to drive the entire driving plate 84 to slide upward, the lower triangular block 85 extrudes the rotating block 87, the rotating block 87 is reset after rotation to limit the lower triangular block 85, and then the force storage spring 817 is compressed to store energy, and then the above operation is repeated to impact and vibrate the low-temperature drying cylinder 3 intermittently, so that the cylindrical screen 19 inside can vibrate to avoid being blocked; at the same time, the reciprocating air cylinder 8188 is started, and the reciprocating air cylinder 8188 is continuously operated to reciprocate left and right, the entire support plate 13 is driven to reciprocate left and right by the reciprocating air cylinder 8188, the impact block 815 does not hit at the same point each time, the effect of vibration and anti-blocking is improved, the welding plate 93 drives the resistance-reducing ball 95 to move as a whole by rotating, the entire mounting frame 2 can reciprocate left and right through the setting of the power spring 97, so that the low-temperature drying cylinder 3 can be shaken, and the gear ring 221 drives the acceleration gear 223 to rotate at a higher speed, and the entire mounting frame 2 can also be quickly shaken up and down through the setting of the counterweight lead block 224 and the spring rod 21, the flowability of the granular organic fertilizer inside is improved, and then the filtering work is accelerated. After the screening and filtering are completed, the cylinder door 24 is located at the lower position, the small granular organic fertilizer is discharged by opening the cylinder door 24, and then the large granular organic fertilizer can be taken out by opening the filter screen door 23.

[0028] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and illustrative figures, it should be apparent that the scope of the present application is not limited to these specific embodiments.

[0029] While the embodiments of the application have been shown and described herein, it will be understood by those of ordinary skill in the art that various changes, modifications, alternatives, and variations can be made to the embodiments without departing from the spirit and scope of the application, which is defined by the claims and their equivalents.

Claims

1. A granular organic fertilizer screening low-temperature dryer comprising a device base (1), characterized in that: The lower part of the equipment base (1) is provided with a bottom plate (17), the equipment base (1) is fixed above the bottom plate (17) through a spring rod (21), the upper part of the equipment base (1) is provided with a mounting rack (2), the low-temperature drying cylinder (3) is rotatably installed above the mounting rack (2), the inner wall of the low-temperature drying cylinder (3) is fixed with a cylindrical screen (19) through a supporting rod (18), a feeding hopper (20) is fixed on the mounting rack (2) through a support, the feeding hopper (20) is rotatably installed at the end of the low-temperature drying cylinder (3), the surface of the low-temperature drying cylinder (3) is fixed with a transmission ring (4) on both sides, a transmission shaft (5) is rotatably installed above the mounting rack (2), the surface of the transmission shaft (5) is fixed with a driving wheel (6) used in cooperation with the transmission ring (4), a double-shaft motor (7) is fixed on the equipment base (1), one end of the output shaft of the double-shaft motor (7) is fixed with a lower sprocket (10), the surface of the transmission shaft (5) is fixed with an upper sprocket (11), the lower sprocket (10) and the upper sprocket (11) are drivingly connected through a chain (12), a supporting plate (13) is slidingly installed on the mounting rack (2), the supporting plate (13) is provided with a force-accumulating impact vibration unit (8) for impacting the surface of the low-temperature drying cylinder (3), a horizontal jolt assembly (9) is arranged between the double-shaft motor (7) and the equipment base (1), the horizontal jolt assembly (9) is used for driving the mounting rack (2) to reciprocatingly vibrate left and right, and a jolt assembly (22) used in cooperation with the spring rod (21) is arranged between the low-temperature drying cylinder (3) and the mounting rack (2).

2. The granular organic fertilizer screening low-temperature dryer according to claim 1, characterized in that: The force storage and impact vibration unit (8) comprises a hollow shaft (81) penetratingly rotating on a support plate (13), the surface of the hollow shaft (81) is fixed with a disc body (82), the side of the support plate (13) is fixed with a sliding rail (83), the sliding rail (83) is slidably provided with a driving plate (84), the driving plate (84) is fixed with a lower triangular block (85), the support plate (13) is rotatably provided with a rotating block (87) through a pin shaft (86), the rotating block (87) is provided with a positioning groove (88) matched with the lower triangular block (85), the surface of the pin shaft (86) is sleeved with a reset torsional spring (89), the surface of the rotating block (87) is fixed with a push rod (810), the left side of the disc body (82) is fixed with an inner shifting rod (811) matched with the push rod (810), the right side of the disc body (82) is fixed with an outer shifting rod (812), the driving plate (84) is fixed with an upper triangular block (813) matched with the outer shifting rod (812), the rear of the driving plate (84) is fixed with a folding frame (814), the lower part of the folding frame (814) is fixed with an impact block (815), the side of the support plate (13) is fixed with a spring block (816), the force storage spring (817) is fixed between the spring block (816) and the folding frame (814), and the transmission shaft (5) and the mounting frame (2) are provided with the power unit (818).

3. The granular organic fertilizer screening low-temperature dryer according to claim 2, characterized in that: The power unit (818) comprises a lower belt pulley (8181) fixed to the surface of the transmission shaft (5), a support strip (8182) fixed to the mounting frame (2), an insertion shaft (8183) penetratingly rotating on the support strip (8182), and an upper belt pulley (8184) fixed to the surface of the insertion shaft (8183). The surface of the upper belt pulley (8184) is in transmission connection with the surface of the lower belt pulley (8181) through a belt (8185), the hollow shaft (81) is sleeved on the surface of the insertion shaft (8183), the surface of the insertion shaft (8183) is fixed with a rib (8186), the surface of the hollow shaft (81) is provided with a rib groove (8187) matched with the rib (8186), the mounting frame (2) is fixed with a reciprocating air cylinder (8188), and the reciprocating air cylinder (8188) is used to drive the support plate (13) to reciprocate left and right.

4. The granular organic fertilizer screening low-temperature dryer according to claim 1, characterized in that: The horizontal bumping assembly (9) comprises a cylindrical block (91) fixed above the equipment base (1), an output shaft end of the double-shaft motor (7) is fixed with a driving shaft (92), the surface of the driving shaft (92) is fixed with a welding plate (93), the left side of the cylindrical block (91) is provided with an annular wave groove (94), the side of the welding plate (93) is embeddedly installed with a drag-reducing ball (95) matched with the annular wave groove (94), the top of the equipment base (1) is fixed with a protruding block (96), and the protruding block (96) and the mounting frame (2) are fixed with a power spring (97).

5. The granular organic fertilizer screening low-temperature dryer according to claim 1, characterized in that: The bottom four legs of the mounting frame (2) are each provided with a roller (14), and the device base (1) is provided with a roller groove (15) above and matching the roller (14).

6. The granular organic fertilizer screening low-temperature dryer according to claim 2, characterized in that: The rear of the rotating block (87) is provided with an inclined surface, and when the lower triangular block (85) rises with the driving plate (84), the lower triangular block (85) can smoothly drive the rotating block (87) to rotate.

7. The granular organic fertilizer screening low-temperature dryer according to claim 2, characterized in that: Under the action of the reset torsional spring (89), the rotating block (87) is reset, and the lower triangular block (85) is limited and blocked.

8. The granular organic fertilizer screening low-temperature dryer according to claim 1, characterized in that: The surface of the cylindrical screen (19) is provided with a filter screen door (23), and the surface of the low-temperature drying cylinder (3) is provided with a cylinder door (24).

9. The granular organic fertilizer screening low-temperature dryer according to claim 1, characterized in that: The shaking assembly (22) comprises a gear ring (221) rotatably installed on the surface of the low-temperature drying cylinder (3), and the mounting frame (2) is rotatably installed with an acceleration gear (223) engaged with the gear ring (221) through a connecting shaft (222), and the outer side of the acceleration gear (223) is fixed with a counterweight lead block (224).

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