Drying device and drying method for polygonatum odoratum production and processing

Abstract

The invention discloses a drying device and a drying method for production and processing of polygonatum odoratum, belongs to the technical field of drying equipment, and aims to solve the problems that the turn-over effect of the polygonatum odoratum is limited through vertical vibration, the polygonatum odoratum is fragile after being dried, the vertical vibration easily causes the breakage of the polygonatum odoratum, and the hot air quantity passing through each layer of polygonatum odoratum is different. The polygonatum odoratum drying device comprises a box body, a placing frame is placed on the inner bottom wall of the box body, a driving assembly is fixedly installed on the side wall of the box body, and a guiding assembly is movably arranged at the bottom of the inner side wall of the box body. Polygonatum odoratum is overturned by arranging the driving assembly and the guiding assembly, the motion trail is switched after dehydration is conducted for a period of time, the polygonatum odoratum is prevented from being broken, the baked polygonatum odoratum is pushed out and collected in time by arranging the sliding rail assembly, the material groove assembly and the pressure assembly, diffusion of hot air to the upper side and the lower side is enhanced by arranging the flow guide plate, and the drying efficiency is improved. And the hot air quantity at each layer of trough assembly is relatively uniform.

Description

Technical Field

[0001] The invention relates to the technical field of drying equipment, and in particular to a drying device and a drying method for producing and processing Polygonatum odoratum. Background Art

[0002] Polygonatum odoratum is the dried rhizome of the Asparagaceae plant Polygonatum odoratum. It is a commonly used Chinese medicine in China. Its main medicinal category is a yin-tonifying medicine. It has multiple pharmacological effects. In order to preserve it for a long time, it needs to be dehydrated through baking equipment.

[0003] For example, the patent with announcement number CN219934519U: A large-scale air-energy dryer for processing radiata that is energy-saving, comprises: a body and a door, the body surface is connected with the door, the body surface is connected with a control device, a heat dissipation net is arranged on the side of the control device, a drying rack is connected to the inside of the body, a placement plate is arranged inside the drying rack, a drying fan is connected to the side of the body, a vibration mechanism is connected between the drying rack and the placement plate, a disassembly mechanism is connected between the heat dissipation net and the control device, and the large-scale air-energy dryer for processing radiata that is energy-saving, when the rotating plate slides out of the first rotating groove, the rotating plate can be rotated to the second rotating groove, when the rotating plate rotates in the second rotating groove, the heat dissipation net can be moved, the heat dissipation net can slide through the interlocking groove when moving, and the heat dissipation net can be disassembled when the heat dissipation net slides out of the interlocking groove, so as to facilitate the disassembly and cleaning of the heat dissipation net.

[0004] There are still some shortcomings in the above patent, such as: the up and down vibration of the placement plate is used to drive the internal Polygonatum to vibrate and turn over, but the up and down vibration alone has limited effect on the turning over of the Polygonatum, which affects the uniformity of its temperature rise in contact with the hot air, and the Polygonatum tends to become brittle after drying for a period of time, and the up and down vibration can easily cause the Polygonatum to collide with the upper and lower vibration plates and break; current baking equipment usually circulates dry hot air to take away moisture to achieve the purpose of dehydration, but the Polygonatum in the equipment is stacked in multiple layers, and the amount of hot air passing through the Polygonatum placement layer close to the hot air inlet is relatively large, which can easily lead to different dehydration degrees of each layer of Polygonatum; each layer of Polygonatum cannot be separated in time after reaching the drying requirements, which can easily lead to the loss of Polygonatum medicinal ingredients.

[0005] In view of the above problems, a drying device and a drying method for the production and processing of Polygonatum odoratum are proposed. Summary of the invention

[0006] The purpose of the present invention is to provide a drying device and a drying method for the production and processing of odoratum. By adopting the device to work, the problems in the above-mentioned background that the turning over of odoratum by up and down vibration is limited, affecting the uniformity of temperature rise, odoratum is easy to become brittle after drying, up and down vibration is easy to cause odoratum to break, the amount of hot air passing through each layer of odoratum is different, the degree of dehydration is different, and each layer of odoratum cannot be separated in time after reaching the drying requirements, which is easy to cause the loss of medicinal ingredients of odoratum.

[0007] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a drying device for the production and processing of Polygonatum odoratum, comprising a box body, a placing rack being placed on the bottom wall of the box body, a driving assembly being fixedly installed on the side wall of the box body, one end of the driving assembly being rotatably connected to an outer wall of one side of the placing rack, a guide assembly being movably provided at the bottom of the inner side wall of the box body, one end of the guide assembly being fixedly connected to the side wall of the placing rack, a plurality of slide rail assemblies being fixedly connected to the placing rack, a plurality of slide rail assemblies being equidistantly arranged in the vertical direction of the placing rack, a material trough assembly being slidably arranged on each of the slide rail assemblies, a pressure assembly being fixedly connected to the side walls of the plurality of material trough assemblies, a diaphragm being fixedly connected between the top surface of the placing rack and the top wall of the box body, and a guide plate being fixedly connected to the outer wall of the other side of the placing rack.

[0008] Furthermore, the driving assembly includes an electric push rod fixedly connected to the side wall of the box body, the movable end of the electric push rod passes through the side wall of the box body and is fixedly connected to a push plate, the side wall of the push plate is fixedly connected to four limit seats, each of the limit seats is rotatably connected to a connecting rod, the side walls of two connecting rods at the same vertical position are elastically connected by a first spring, and one end of the four connecting rods is rotatably connected to an outer wall of one side of the placement rack;

[0009] The lower end of the side wall of the push plate is rotatably connected with a linkage rod, the linkage rod is a telescopic structure, and the movable end of the linkage rod is penetrated and fixedly connected with a latch.

[0010] Furthermore, the latch includes an outer sleeve that passes through and is fixedly connected to the movable end of the linkage rod, an air inlet hole is opened on the bottom wall of the inner cavity of the outer sleeve, a pin shaft is slidably connected inside the outer sleeve, and one end of the pin shaft is elastically connected to the bottom wall of the inner cavity of the outer sleeve through a second spring.

[0011] Furthermore, the guide assembly includes two positioning blocks fixedly connected to the lower end of the inner wall of the box body and a movable rod slidably connected to the inner wall of the box body, the side wall of each positioning block is fixedly connected with a guide rail, the guide rail is a crawler-like structure, two card seats are fixedly connected to the bottom surface of the movable rod, one side outer wall of each card seat is an arc structure, the two guide rails are respectively slidably connected to the arc side walls of the two card seats, each guide rail is slidably provided with a pulley, the side wall of each pulley is rotatably connected with a connecting shaft, and one end of each connecting shaft is fixedly connected to the side wall of the placement rack;

[0012] A pin hole is provided on one end of the side wall of the movable rod and the inner side wall of the box body.

[0013] Furthermore, the slide rail assembly includes a slide rail body symmetrically fixedly connected to the inner wall of the placement rack, a slide groove is opened on the top surface of each slide rail body, a pressure sensor is symmetrically fixedly connected to the bottom surface of the inner cavity of each slide groove, the measuring ends of the two pressure sensors of the same slide groove are commonly fixedly connected to a pressure plate, a bracket is fixedly connected to the bottom surface of each slide rail body, a ball bearing is embedded on the top wall of each bracket, and a limiting protrusion is provided on the side wall of each slide rail body.

[0014] Furthermore, the trough assembly includes a trough body, a trough door is rotatably connected to the bottom surface of the trough body, a baffle is fixedly connected to the side wall of the trough body, a telescopic hose is fixedly connected to the side wall of the baffle, and a plurality of walking wheels are symmetrically fixedly installed on the bottom wall of the trough body, and the plurality of walking wheels are all rollingly arranged on the pressure plate inside the corresponding slide trough.

[0015] Furthermore, the pressure assembly includes a pressure pipe fixedly connected to the back of the box body, and a first solenoid valve is fixedly installed at the position of the multiple telescopic hoses on the side wall of the pressure pipe, one end of each of the telescopic hoses is connected to the corresponding first solenoid valve, one end of the pressure pipe is connected to an external boosting device, and a second solenoid valve is fixedly installed on the other end of the pressure pipe, and one end of the second solenoid valve is connected to the inside of the pin through a pipe.

[0016] Furthermore, a box door is provided at the front of the box body, an air inlet pipe is fixedly connected to one side wall of the box body close to the guide plate, one end of the air inlet pipe is connected to an external hot air device, and an air outlet pipe is fixedly connected to the other side outer wall of the box body.

[0017] Furthermore, the box door includes a retaining edge, and a plurality of slides are sealingly and slidably connected to the inner wall of the retaining edge, and a telescopic rod is symmetrically and fixedly connected to the side wall of each of the slides, and one end of each of the telescopic rods is fixedly connected to the outer wall of the box body, and a third spring is sleeved on the outer wall of each of the telescopic rods, and both ends of each of the third springs are respectively fixedly connected to the side wall of the corresponding slide and the outer wall of the box body.

[0018] Another technical solution proposed by the present invention is to provide a drying method for a drying device for production and processing of Polygonatum odoratum, comprising the following steps:

[0019] S1: Open multiple first solenoid valves in the pressure assembly, increase the pressure inside the telescopic hose through an external pressure-boosting device, and after the trough assembly is pushed out halfway, the first solenoid valve is closed to maintain pressure. At this time, the trough door is still supported by the bracket, and then the staff puts the Polygonatum odoratum to be baked into the trough assembly. After the pressure is removed, the trough assembly is completely retracted into the box body;

[0020] S2: Turn on the electric push rod and push it to the end of the stroke. At this time, turn on the second solenoid valve to increase the pressure inside the latch pin, so that the pin shaft is inserted into the pin hole to limit the guide assembly. The second solenoid valve maintains the pressure to keep the guide track in an arc state, and then the movable end of the electric push rod drives the placement rack to move back and forth along the arc-shaped guide track;

[0021] S3: The dry hot air from the external hot air equipment is introduced into the box through the air inlet pipe, diffused upward and downward through the guide plate, and the Polygonatum odoratum is evenly dried, and then discharged through the air outlet pipe, and heated again after condensation;

[0022] S4: After drying for a period of time, the pressure on the inside of the latch is removed to retract the pin shaft. At this time, the guide assembly loses its limiting function. When the placement rack moves, the pulley and the guide track squeeze and flatten it, so that the placement rack moves linearly, completing the switching of the motion trajectory. At the same time, the pressure sensor is turned on to detect the dehydrated weight of the Polygonatum odoratum;

[0023] S5: When it is detected that the dehydrated weight of the odoratum reaches the set value, the first solenoid valve of the corresponding layer is opened, and the trough assembly is completely pushed outward. At this time, the trough door is no longer supported by the bracket and rotates downward to form a slope. The staff collects the dried odoratum through the placed collection device, and then retracts the trough assembly by half through pressure control, closes the trough door, and loads the odoratum to be dried again.

[0024] Compared with the prior art, the present invention has the following beneficial effects:

[0025] By setting a driving component and a guide component, under the action of an arc-shaped guide track, the placement rack makes a reciprocating motion in an arc-shaped trajectory, and the radix odoratissimus in each layer of the trough assembly on the placement rack flips due to inertia, increasing the contact area between the radix odoratissimus and the dry hot air, accelerating the dehydration efficiency, and after a period of dehydration, the guide track is gradually flattened under the action of the pulley, so that the placement rack can reciprocate along a straight track, reducing the shaking amplitude of the radix odoratissimus, and avoiding the collision and breakage of the radix odoratissimus with the upper and lower trough assemblies; by setting a slide rail assembly, a trough assembly and a pressure assembly, when it is detected that the dehydrated weight of the radix odoratissimus reaches a set value, the radix odoratissimus of the corresponding layer can be pushed out of the box body, and the trough door inside the box body is supported by a bracket, and the trough body is collected after being completely pushed out, avoiding the loss of medicinal ingredients caused by the long dehydration time of the radix odoratissimus; by setting a guide plate, the hot air intake of the trough assembly near the hot air inlet is reduced, and the diffusion of the hot air to the upper and lower sides is enhanced, so that the hot air volume at each layer of the trough assembly is more uniform. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure inside the box body of the present invention;

[0027] Figure 2 It is a schematic diagram of the structure of the driving component part of the present invention;

[0028] Figure 3 It is a schematic diagram of the connection structure between the driving component, the placement frame and the guide component in the present invention;

[0029] Figure 4 It is a structural schematic diagram of the latch part in the present invention;

[0030] Figure 5 It is a structural schematic diagram of the guide component part of the present invention;

[0031] Figure 6 It is a structural schematic diagram of the slide rail assembly part of the present invention;

[0032] Figure 7 It is a structural schematic diagram of the trough component part of the present invention;

[0033] Figure 8 This is a schematic diagram of the appearance of the box from the back perspective of the present invention;

[0034] Fig. 9 This is a schematic diagram of the appearance of the box body from the front perspective of the present invention;

[0035] Fig.10 It is a structural schematic diagram of the door part of the present invention.

[0036] In the figure: 1, box body; 11, box door; 111, retaining edge; 112, slide plate; 113, telescopic rod; 114, third spring; 12, air inlet pipe; 13, air outlet pipe; 2, placement rack; 3, driving assembly; 31, electric push rod; 32, push plate; 33, limit seat; 34, connecting rod; 35, first spring; 36, linkage rod; 37, latch; 371, outer sleeve; 3711, air inlet hole; 372, pin shaft; 373, second spring; 4, guide assembly; 41, positioning block; 42, movable rod; 421 , pin hole; 43, guide rail; 44, holder; 45, pulley; 46, connecting shaft; 5, slide rail assembly; 51, slide rail body; 511, slide groove; 512, limit protrusion; 52, pressure sensor; 53, pressure plate; 54, bracket; 55, ball; 6, trough assembly; 61, trough body; 62, trough door; 63, baffle; 64, telescopic hose; 65, walking wheel; 7, pressure assembly; 71, pressure pipe; 72, first solenoid valve; 73, second solenoid valve; 8, diaphragm; 9, guide plate. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0038] In order to solve the technical problems that the turning effect of the odoratum odoratum by up and down vibration is limited, affecting the uniformity of heating, the odoratum odoratum is easy to become brittle after drying, and the up and down vibration is easy to cause the odoratum odoratum to break, such as Figure 1-Figure 5 As shown, the following preferred technical solutions are provided:

[0039] A drying device for producing and processing Polygonatum odoratum comprises a box body 1, a placing rack 2 is placed on the inner bottom wall of the box body 1, a driving assembly 3 is fixedly installed on the side wall of the box body 1, one end of the driving assembly 3 is rotatably connected to the outer wall of one side of the placing rack 2, and is used to drive the placing rack 2 to reciprocate, a guide assembly 4 is movably arranged at the bottom of the inner side wall of the box body 1, one end of the guide assembly 4 is fixedly connected to the side wall of the placing rack 2, and the movement trajectory of the placing rack 2 is controlled by the guide assembly 4, and a plurality of slide rail assemblies 5 are fixedly connected to the placing rack 2, and the slide rail assembly 5 is fixedly connected to the placing rack 2. A plurality of components 5 are equidistantly arranged in the vertical direction of the placement rack 2, and a material trough component 6 is slidably arranged on each slide rail component 5. The material trough component 6 is used to hold the Polygonatum odoratum to be baked, and a pressure component 7 is fixedly connected to the side walls of the plurality of material trough components 6. The pressure component 7 is used to push the movement of the material trough component 6. A diaphragm 8 is fixedly connected between the top surface of the placement rack 2 and the inner top wall of the box body 1, so that the two sides of the placement rack 2 are isolated, and hot air circulates only through the placement rack 2, and a guide plate 9 is fixedly connected to the outer wall on the other side of the placement rack 2.

[0040] When baking radix odoratum, radix odoratum of a specified weight is loaded into the trough assembly 6 in sequence by weighing, and then the trough assembly 6 is retracted inward along the slide rail assembly 5 to complete the loading. After loading, dry hot air is introduced into the box body 1. After the hot air enters, it is diffused to the upper and lower sides under the action of the guide plate 9, rather than concentrated in the middle, so that the amount of hot air passing through each layer of the trough assembly 6 is relatively uniform. At the same time, the driving assembly 3 is started to drive the placement rack 2 to perform reciprocating motion. Initially, the reciprocating motion trajectory of the placement rack 2 is an arc through the guide assembly 4, so as to achieve the effect of turning the radix odoratum, increase the contact area between the radix odoratum and the hot air, and improve the dehydration efficiency. After baking for a period of time, the reciprocating motion trajectory of the placement rack 2 is changed to a straight line through the guide assembly 4, and the radix odoratum is turned back and forth in the trough assembly 6 with a small amplitude under the inertial force, so as to reduce the shaking amplitude of the radix odoratum and avoid collision and breakage of the radix odoratum with the upper and lower trough assemblies 6.

[0041] When the reciprocating motion trajectory of the placement rack 2 is changed to a straight line, the built-in sensor in the slide rail assembly 5 is turned on to measure the weight of the Polygonatum odoratum in real time. When the dehydration amount of the Polygonatum odoratum reaches the set value, the material trough assembly 6 of the corresponding layer is pushed out and collected through the pressure assembly 7 to avoid excessive dehydration of the Polygonatum odoratum and the loss of its medicinal ingredients.

[0042] The driving assembly 3 includes an electric push rod 31 fixedly connected to the side wall of the box body 1. The movable end of the electric push rod 31 passes through the side wall of the box body 1 and is fixedly connected to a push plate 32. Four limit seats 33 are fixedly connected to the side wall of the push plate 32. Each limit seat 33 is rotatably connected to a connecting rod 34. The side walls of two connecting rods 34 in the same vertical position are elastically connected by a first spring 35. One end of the four connecting rods 34 is rotatably connected to an outer wall of one side of the placement rack 2. The limiting effect of the limit seat 33 makes the two connecting rods 34 in the same vertical direction always form an obtuse angle, so that the first spring 35 is only subjected to tension to avoid bending due to pressure.

[0043] The lower end of the side wall of the push plate 32 is rotatably connected with a linkage rod 36 . The linkage rod 36 is a telescopic structure. The movable end of the linkage rod 36 is penetrated and fixedly connected with a latch 37 . The latch 37 is used to limit the guide assembly 4 .

[0044] The latch 37 includes an outer sleeve 371 which passes through and is fixedly connected to the movable end of the linkage rod 36. An air inlet hole 3711 is provided on the bottom wall of the inner cavity of the outer sleeve 371. A pin shaft 372 is slidably connected inside the outer sleeve 371. One end of the pin shaft 372 is elastically connected to the bottom wall of the inner cavity of the outer sleeve 371 via a second spring 373. The pin shaft 372 can be pushed out by pressurizing the inner part of the outer sleeve 371 through the air inlet hole 3711.

[0045] The guide assembly 4 includes two positioning blocks 41 fixedly connected to the lower end of the inner wall of the box body 1 and a movable rod 42 slidably connected to the inner wall of the box body 1. A guide rail 43 is fixedly connected to the side wall of each positioning block 41. The guide rail 43 is a crawler-like structure. Two clamping seats 44 are fixedly connected to the bottom surface of the movable rod 42. The outer wall of one side of each clamping seat 44 is an arc structure. The two guide rails 43 are respectively slidably connected to the arc side walls of the two clamping seats 44. The clamping seats 44 enable the guide rails 43 to curl into an arc structure. A pulley 45 is slidably arranged inside each guide rail 43. A connecting shaft 46 is rotatably connected to the side wall of each pulley 45. One end of each connecting shaft 46 is fixedly connected to the side wall of the placement rack 2. When the driving assembly 3 drives the placement rack 2 to move, the placement rack 2 can drive the connecting shaft 46 and the pulley 45 to reciprocate along the guide rail 43.

[0046] A pin hole 421 is formed on one end of the side wall of the movable rod 42 and the inner wall of the box body 1 . The movable rod 42 is limited by the cooperation of the pin hole 421 and the pin shaft 372 , thereby shaping the guide track 43 .

[0047] Specifically, when the radix polygonatum is baked, the initial water content is relatively high. At this time, the holder 44 curls the guide track 43 into an arc shape, and the pressure of the pressure component 7 causes the pin shaft 372 to be inserted into the pin hole 421 to limit the movable rod 42, so that the guide track 43 maintains an arc shape. When the push plate 32 is pushed to reciprocate by the electric push rod 31, the placement rack 2 moves accordingly under the drive of the connecting rod 34. When the placement rack 2 moves, it drives the connecting shaft 46 and the pulley 45 to reciprocate along the arc-shaped guide track 43. Under the action of the arc-shaped guide track 43, the placement rack 2 reciprocates along the arc track, and the material trough components 6 of each layer on the placement rack 2 The radix polygonatum in the air turns over due to inertia, which increases the contact area between the radix polygonatum and the dry hot air and speeds up the dehydration efficiency. After a period of dehydration, the pressure on the pin shaft 372 is removed, and the pin shaft 372 retracts under the action of the second spring 373, releasing the limiting effect on the movable rod 42. At this time, when the push plate 32 drives the placement rack 2 to return, the pulley 45 squeezes the side wall of the guide track 43 so that the movable rod 42 drives the card seat 44 to move to one side, so that the guide track 43 is gradually flattened under the action of the pulley 45, so that the placement rack 2 can move back and forth along a straight track, reducing the shaking amplitude of the radix polygonatum and avoiding the collision and breakage of the radix polygonatum with the upper and lower material chute components 6.

[0048] In order to solve the technical problem that each layer of Polygonatum odoratum cannot be separated in time after reaching the drying requirements, which easily leads to the loss of the medicinal ingredients of Polygonatum odoratum, such as Figure 6-Figure 8 As shown, the following preferred technical solutions are provided:

[0049] The slide rail assembly 5 includes a slide rail body 51 which is symmetrically fixedly connected to the inner wall of the placement rack 2. A slide groove 511 is opened on the top surface of each slide rail body 51. A pressure sensor 52 is symmetrically fixedly connected to the bottom surface of the inner cavity of each slide groove 511. The measuring ends of the two pressure sensors 52 of the same slide groove 511 are commonly fixedly connected to a pressure plate 53. A bracket 54 is fixedly connected to the bottom surface of each slide rail body 51. A ball 55 is embedded on the top wall of each bracket 54 to reduce friction. A limiting protrusion 512 is provided on the side wall of each slide rail body 51.

[0050] The trough assembly 6 includes a trough body 61, on the bottom surface of which a trough door 62 is rotatably connected. When inside the box body 1, the trough door 62 is supported by a bracket 54. A baffle 63 is fixedly connected to the side wall of the trough body 61, and a telescopic hose 64 is fixedly connected to the side wall of the baffle 63. A plurality of running wheels 65 are symmetrically fixedly installed on the bottom wall of the trough body 61. The plurality of running wheels 65 are all rollingly arranged on the pressure plate 53 inside the corresponding slide groove 511. By increasing the pressure in the telescopic hose 64 through the pressure assembly 7, the trough assembly 6 can be pushed to move along the slide rail assembly 5.

[0051] The pressure assembly 7 includes a pressure pipe 71 fixedly connected to the back of the box body 1, and first solenoid valves 72 are fixedly installed at the positions of the multiple telescopic hoses 64 on the side walls of the pressure pipe 71. One end of each telescopic hose 64 is connected to the corresponding first solenoid valve 72. When the pressure sensor 52 detects that the dehydrated weight of the Polygonatum odoratum in the trough assembly 6 reaches the set value, the corresponding first solenoid valve 72 is opened, one end of the pressure pipe 71 is connected to the external boosting equipment, and the other end of the pressure pipe 71 is fixedly installed with a second solenoid valve 73. One end of the second solenoid valve 73 is connected to the inside of the pin 37 through a pipe, and the telescopic state of the pin shaft 372 can be controlled by opening and closing the second solenoid valve 73.

[0052] Specifically, when the radix odoratum is turned over at the initial stage of baking, the pressure sensor 52 is closed. After baking for a period of time and the placement rack 2 is moving linearly back and forth, the pressure sensor 52 is turned on to detect the dehydrated weight of the radix odoratum. When it is detected that the dehydrated weight of the radix odoratum reaches the set value, the first solenoid valve 72 at the corresponding position is opened, and the telescopic hose 64 is pressurized through an external booster device, and the material trough body 61 is driven to slide outward along the slide groove 511 through the baffle 63, so that the radix odoratum of the corresponding layer can be pushed out of the box body 1. When inside the box body 1, the material trough door 62 is supported by the bracket 54. When the material trough body 61 is completely pushed out, the material trough door 62 rotates downward under the action of gravity. At this time, the operator collects the baked radix odoratum through the collecting device to avoid the loss of medicinal ingredients due to the long dehydration time of the radix odoratum.

[0053] In order to solve the technical problem that the multi-layer stacking of Polygonatum odoratum in the equipment causes more hot air to pass through the layer of Polygonatum odoratum near the hot air inlet, which may easily lead to different dehydration degrees of each layer of Polygonatum odoratum, such as Figure 1 , Fig. 9 and Fig.10 As shown, the following preferred technical solutions are provided:

[0054] A door 11 is provided at the front of the box body 1. An air inlet pipe 12 is fixedly connected to one side wall of the box body 1 near the guide plate 9. One end of the air inlet pipe 12 is connected to an external hot air device. An air outlet pipe 13 is fixedly connected to the other side outer wall of the box body 1.

[0055] The box door 11 includes a retaining edge 111, and a plurality of slides 112 are sealingly and slidably connected to the inner wall of the retaining edge 111. A telescopic rod 113 is symmetrically and fixedly connected to the side wall of each slide 112. One end of each telescopic rod 113 is fixedly connected to the outer wall of the box body 1. A third spring 114 is sleeved on the outer wall of each telescopic rod 113. The two ends of each third spring 114 are respectively fixedly connected to the side wall of the corresponding slide 112 and the outer wall of the box body 1.

[0056] Specifically, during baking, dry hot air is introduced into the box body 1 through an external hot air device. In this process, the hot air is introduced through the air inlet pipe 12, and then under the action of the guide plate 9, the amount of hot air introduced into the trough assembly 6 near the hot air inlet is reduced, and the diffusion of the hot air to the upper and lower sides is enhanced, so that the amount of hot air at each layer of the trough assembly 6 is relatively uniform, and the dry hot air contacts with the odoratum to take away moisture, and is discharged through the air outlet pipe 13 to remove condensation and heat again for circulation. When the dehydration amount of the odoratum reaches the set value, the trough assembly 6 is pushed outward. In this process, it acts against the slide plate 112 of the corresponding layer, driving the slide plate 112 to be pushed out at the same time, and the telescopic rod 113 is extended accordingly. At this time, the third spring 114 is stretched under force. When the pressure of the pressure assembly 7 on the trough assembly 6 is reduced, the trough assembly 6 is driven to move toward the inside of the box body 1 by the elastic force of the third spring 114.

[0057] In order to further better explain the above embodiment, the present invention also provides an implementation scheme, a drying method of a drying device for producing and processing Polygonatum odoratum, comprising the following steps:

[0058] Step 1: Open the multiple first solenoid valves 72 in the pressure assembly 7, increase the pressure inside the telescopic hose 64 through the external pressure-increasing device, and after the trough assembly 6 is half pushed out, the first solenoid valve 72 is closed to maintain the pressure. At this time, the trough door 62 is still supported by the bracket 54, and then the staff puts the Polygonatum odoratum to be baked into the trough assembly 6. After the pressure is removed, the trough assembly 6 is completely retracted into the box body 1;

[0059] Step 2: Turn on the electric push rod 31 and push it to the end of the stroke. At this time, turn on the second solenoid valve 73 to increase the pressure inside the latch 37, so that the pin shaft 372 is inserted into the pin hole 421 to limit the guide assembly 4. The second solenoid valve 73 maintains the pressure to keep the guide track 43 in an arc state, and then the movable end of the electric push rod 31 drives the placement rack 2 to reciprocate along the arc-shaped guide track 43;

[0060] Step 3: The dry hot air from the external hot air device is introduced into the box body 1 through the air inlet pipe 12, diffused upward and downward through the guide plate 9, and the Polygonatum odoratum is evenly dried, and then discharged through the air outlet pipe 13, and heated again after condensation;

[0061] Step 4: After drying for a period of time, the pressure on the inside of the latch 37 is removed to retract the pin 372. At this time, the guide assembly 4 loses its limiting function. When the placement rack 2 moves, the pulley 45 and the guide track 43 squeeze and flatten it, so that the placement rack 2 moves linearly, completing the switching of the motion trajectory. At the same time, the pressure sensor 52 is turned on to detect the dehydrated weight of the Polygonatum odoratum.

[0062] Step 5: When it is detected that the dehydrated weight of the odoratum reaches the set value, the first solenoid valve 72 of the corresponding layer is opened, and the trough assembly 6 is completely pushed outward. At this time, the trough door 62 is not supported by the bracket 54 and rotates downward to form a slope. The staff collects the dried odoratum through the placed collection device, and then retracts the trough assembly 6 by half through pressure control, closes the trough door 62, and loads the odoratum to be dried again.

[0063] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0064] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A drying device for producing and processing Polygonatum odoratum, comprising a housing (1), characterized in that: A placement rack (2) is placed on the inner bottom wall of the box body (1), a driving assembly (3) is fixedly installed on the side wall of the box body (1), one end of the driving assembly (3) is rotatably connected to the outer wall of one side of the placement rack (2), a guide assembly (4) is movably arranged at the bottom of the inner side wall of the box body (1), one end of the guide assembly (4) is fixedly connected to the side wall of the placement rack (2), a plurality of slide rail assemblies (5) are fixedly connected to the placement rack (2), a plurality of slide rail assemblies (5) are equidistantly arranged in the vertical direction of the placement rack (2), each of the slide rail assemblies (5) is slidably arranged with a trough assembly (6), and a pressure assembly (7) is fixedly connected to the side walls of the plurality of trough assemblies (6), a diaphragm (8) is fixedly connected between the top surface of the placement rack (2) and the inner top wall of the box body (1), and a guide plate (9) is fixedly connected to the outer wall of the other side of the placement rack (2).

2. A drying device for producing and processing Polygonatum odoratum according to claim 1, characterized in that: The driving assembly (3) comprises an electric push rod (31) fixedly connected to the side wall of the box body (1); the movable end of the electric push rod (31) penetrates the side wall of the box body (1) and is fixedly connected to a push plate (32); four limit seats (33) are fixedly connected to the side wall of the push plate (32); each limit seat (33) is rotatably connected to a connecting rod (34); the side walls of two connecting rods (34) at the same vertical position are elastically connected by a first spring (35); one end of the four connecting rods (34) is rotatably connected to an outer wall of one side of the placement rack (2); The lower end of the side wall of the push plate (32) is rotatably connected to a linkage rod (36), the linkage rod (36) is a telescopic structure, and a latch (37) is fixedly connected to the movable end of the linkage rod (36).

3. A drying device for producing and processing Polygonatum odoratum according to claim 2, characterized in that: The latch pin (37) comprises an outer sleeve (371) which passes through and is fixedly connected to the movable end of the linkage rod (36); an air inlet hole (3711) is provided on the inner bottom wall of the outer sleeve (371); a pin shaft (372) is slidably connected inside the outer sleeve (371); one end of the pin shaft (372) is elastically connected to the inner bottom wall of the outer sleeve (371) via a second spring (373).

4. A drying device for producing and processing Polygonatum odoratum according to claim 3, characterized in that: The guide assembly (4) comprises two positioning blocks (41) fixedly connected to the lower end of the inner wall of the box body (1) and a movable rod (42) slidably connected to the inner wall of the box body (1), the side wall of each positioning block (41) is fixedly connected to a guide rail (43), the guide rail (43) is a crawler-like structure, two clamping seats (44) are fixedly connected to the bottom surface of the movable rod (42), one side outer wall of each clamping seat (44) is an arc structure, the two guide rails (43) are respectively slidably connected to the arcuate side walls of the two clamping seats (44), each guide rail (43) is slidably provided with a pulley (45) inside, the side wall of each pulley (45) is rotatably connected to a connecting shaft (46), and one end of each connecting shaft (46) is fixedly connected to the side wall of the placement rack (2); A pin hole (421) is formed on one end of the side wall of the movable rod (42) and the inner side wall of the box body (1).

5. A drying device for producing and processing Polygonatum odoratum according to claim 4, characterized in that: The slide rail assembly (5) comprises a slide rail body (51) symmetrically fixedly connected to the inner wall of the placement rack (2); a slide groove (511) is provided on the top surface of each of the slide rail bodies (51); a pressure sensor (52) is symmetrically fixedly connected to the bottom surface of the inner cavity of each of the slide grooves (511); the measuring ends of the two pressure sensors (52) of the same slide groove (511) are commonly fixedly connected to a pressure plate (53); a bracket (54) is fixedly connected to the bottom surface of each of the slide rail bodies (51); a ball (55) is embedded on the top wall of each of the brackets (54); and a limiting protrusion (512) is provided on the side wall of each of the slide rail bodies (51).

6. A drying device for producing and processing Polygonatum odoratum according to claim 5, characterized in that: The trough assembly (6) comprises a trough body (61), a trough door (62) is rotatably connected to the bottom surface of the trough body (61), a baffle (63) is fixedly connected to the side wall of the trough body (61), a telescopic hose (64) is fixedly connected to the side wall of the baffle (63), and a plurality of running wheels (65) are symmetrically fixedly installed on the bottom wall of the trough body (61), and the plurality of running wheels (65) are all rollingly arranged on the pressure plate (53) inside the corresponding slide groove (511).

7. A drying device for producing and processing Polygonatum odoratum according to claim 6, characterized in that: The pressure assembly (7) comprises a pressure pipe (71) fixedly connected to the back of the box body (1); first solenoid valves (72) are fixedly installed at positions corresponding to the plurality of telescopic hoses (64) on the side wall of the pressure pipe (71); one end of each of the telescopic hoses (64) is connected to the corresponding first solenoid valve (72); one end of the pressure pipe (71) is connected to an external boosting device; a second solenoid valve (73) is fixedly installed at the other end of the pressure pipe (71); one end of the second solenoid valve (73) is connected to the inside of the latch (37) through a pipe.

8. A drying device for producing and processing Polygonatum odoratum according to claim 7, characterized in that: The front part of the box body (1) is provided with a box door (11); an air inlet pipe (12) is fixedly connected to a side wall of the box body (1) close to the guide plate (9); one end of the air inlet pipe (12) is connected to an external hot air device; and an air outlet pipe (13) is fixedly connected to the other side outer wall of the box body (1).

9. A drying device for producing and processing Polygonatum odoratum according to claim 8, characterized in that: The box door (11) comprises a retaining edge (111), a plurality of slide plates (112) are sealingly and slidably connected to the inner wall of the retaining edge (111), a telescopic rod (113) is symmetrically and fixedly connected to the side wall of each of the slide plates (112), one end of each of the telescopic rods (113) is fixedly connected to the outer wall of the box body (1), a third spring (114) is sleeved on the outer wall of each of the telescopic rods (113), and two ends of each of the third springs (114) are respectively fixedly connected to the side wall of the corresponding slide plate (112) and the outer wall of the box body (1).

10. A drying method for the drying device for production and processing of Polygonatum odoratum according to claim 9, characterized in that: The following steps are involved: S1: opening a plurality of first solenoid valves (72) in the pressure assembly (7), increasing the pressure inside the telescopic hose (64) through an external pressure-increasing device, and after the trough assembly (6) is pushed out halfway, the first solenoid valve (72) is closed to maintain the pressure. At this time, the trough door (62) is still supported by the bracket (54), and then the staff loads the Polygonatum odoratum to be baked into the trough assembly (6). After the pressure is removed, the trough assembly (6) is completely retracted into the box body (1); S2: The electric push rod (31) is turned on and pushed to the end of the stroke. At this time, the second solenoid valve (73) is turned on to increase the pressure inside the latch (37), so that the pin shaft 372 is inserted into the pin hole (421) to limit the guide assembly (4). The second solenoid valve (73) maintains the pressure to keep the guide track (43) in an arc state, and then the movable end of the electric push rod (31) drives the placement rack (2) to move back and forth along the arc-shaped guide track (43); S3: Dry hot air from an external hot air device is introduced into the box body (1) through the air inlet pipe (12), diffused upward and downward through the guide plate (9), and evenly dried the Polygonatum odoratum, and then discharged through the air outlet pipe (13), and heated again after condensation and circulation; S4: After drying for a period of time, the pressure on the inside of the latch (37) is removed, so that the pin shaft 372 retracts. At this time, the guide assembly (4) loses its limiting function. When the placement rack (2) moves, the pulley (45) and the guide track (43) squeeze and flatten it, so that the placement rack (2) moves linearly, completing the switching of the motion trajectory. At the same time, the pressure sensor (52) is turned on to detect the dehydrated weight of the Polygonatum odoratum; S5: When it is detected that the dehydrated weight of the radix odoratum reaches the set value, the first solenoid valve (72) of the corresponding layer is opened, and the trough assembly (6) is completely pushed outward. At this time, the trough door (62) is not supported by the bracket (54) and rotates downward to form a slope. The staff collects the dried radix odoratum through the placed collection device, and then retracts the trough assembly (6) by half through pressure control, closes the trough door (62), and loads the radix odoratum to be dried again.

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