CN116101765A

CN116101765A - Freeze-dried material conveying system

Info

Publication number: CN116101765A
Application number: CN202210800479.1A
Authority: CN
Inventors: 朱悉汝; 陈长卿; 徐弈清; 田严华; 郑涛; 朱建锡; 刘新华; 曹春信
Original assignee: Zhejiang Tongjing Freeze Drying Technology Co ltd
Current assignee: Zhejiang Tongjing Freeze Drying Technology Co ltd
Priority date: 2022-07-08
Filing date: 2022-07-08
Publication date: 2023-05-12

Abstract

A freeze-dried material delivery system comprising: the tray conveying device comprises a conveying frame and a plurality of rollers uniformly distributed along the length direction of the conveying frame, wherein a first gap is arranged between every two adjacent rollers; the tray feeding device comprises a fixing frame, a first driving part and a second driving part, wherein the first driving part and the second driving part are arranged on the fixing frame, and the first driving part comprises a first guide plate arranged on the fixing frame and a first driving mechanism for driving the first guide plate to do lifting motion; the second driving part comprises a driving plate which is integrally arranged with the first guide plate, and a second driving mechanism which is arranged in the driving plate and is used for transferring the material tray which is transferred from the material tray transferring device to the driving plate to the freeze-drying material tray frame; the freeze-drying tray frame comprises a rectangular frame and a plurality of supporting plates arranged on the inner wall of the rectangular frame and used for placing trays, wherein one ends of the supporting plates are provided with locking devices used for locking the trays on the supporting plates.

Description

Freeze-dried material conveying system

Technical Field

The invention belongs to the technical field of vacuum freeze drying equipment, and particularly relates to a freeze-drying material conveying system.

Background

The vacuum freeze drying equipment, or freeze drying equipment for short, freezes food, medicine, etc. to below the eutectic point temperature to make the water in the food, medicine, etc. become solid ice, and then sublimates the ice directly into water vapor in vacuum environment, and the water vapor is condensed by a water catcher to finally dry the article. In conventional freeze-drying equipment, loading and unloading are performed manually, for example, the material to be freeze-dried is manually palletized, and then the palletized material is manually fed into a skip. However, manual loading and unloading is time consuming and laborious, and there is the potential safety hazard. For example, a skip can be charged and discharged on two sides, but operators on two sides are strictly required to charge and discharge simultaneously, otherwise, the skip can be inclined due to unbalanced weight on two sides, and the skip can be turned over when serious, so that the prior art has improvements.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a freeze-dried material conveying system.

The freeze-dried material conveying system according to the present invention comprises:

the tray conveying device comprises a conveying frame and a plurality of rollers uniformly distributed along the length direction of the conveying frame, wherein a first gap is arranged between every two adjacent rollers;

the tray feeding device comprises a fixing frame, a first driving part and a second driving part, wherein the first driving part and the second driving part are arranged on the fixing frame, and the first driving part comprises a first guide plate arranged on the fixing frame and a first driving mechanism for driving the first guide plate to do lifting motion; the second driving part comprises a driving plate which is integrally arranged with the first guide plate, and a second driving mechanism which is arranged in the driving plate and is used for transferring the material tray which is transferred from the material tray transferring device to the driving plate to the freeze-drying material tray frame;

the freeze-drying tray frame comprises a rectangular frame and a plurality of supporting plates arranged on the inner wall of the rectangular frame and used for placing trays, wherein one ends of the supporting plates are provided with locking devices used for locking the trays on the supporting plates.

The two sides of the driving plate are provided with clamping claws for supporting the material tray, the upper end of the driving plate is provided with a first cavity extending along the length direction of the driving plate, a first transmission belt is movably arranged in the first cavity and driven by the second driving mechanism, and the upper end face of the first transmission belt is flush with the upper end face of the clamping claws.

The lifting mechanism comprises second guide plates, two guide grooves and second rotating shafts, wherein the second guide plates are respectively arranged on two sides of two ends of the first transmission belt, the guide grooves penetrate through the side parts of the driving plates, the second rotating shafts are movably arranged in the two guide grooves, the second rotating shafts are sleeved with second idler wheels, the second rotating shafts and the second idler wheels are positioned in the first transmission belt and are positioned at the upper end of the inner wall of the first transmission belt, and guide inclined planes used for guiding the second rotating shafts to move upwards are formed in the second guide plates.

The driving plate is rotatably provided with a third rotating shaft parallel to the guide groove and a third motor for driving the third rotating shaft to rotate, the third rotating shaft drives the second guide plate to move through a pull rope, and the second rotating shaft and the second roller move upwards along the guide groove through a guide inclined plane on the second guide plate, so that the lifting of the first transmission belt is completed.

The utility model discloses a material tray, including rectangle frame, material tray, a plurality of backup pads, backup pad, baffle, locking piece, a plurality of backup pads are followed the direction of height evenly distributed of rectangle frame is in the rectangle frame, the length direction of backup pad with the length direction of material tray is parallel, the material tray erects on two backup pads that are located same horizontal plane, two backup pads that are located same horizontal plane are fixed being provided with a baffle between the one end of keeping away from the rectangle frame, be provided with on the material tray and be used for fixing the material tray on the baffle and can carry out fixed locking piece of two adjacent material trays.

The locking block is internally provided with a second cavity, the side wall of the material tray is provided with a channel penetrating through the side wall of the material tray and communicated with the second cavity in the locking block, the direction of the cavity is gradually reduced along the direction of the channel, the baffle is fixedly provided with a locking pin used for being inserted in the channel of the locking block, and one side, facing to the adjacent material tray, of the material tray is fixedly provided with a locking pin used for being inserted in the channel of the locking block on the adjacent material tray.

The second cavity is internally provided with a plurality of steel balls for locking the locking pins, the second cavity is internally and movably provided with a baffle plate, the steel balls are positioned in the second cavity between the baffle plate and the channel, the baffle plate is made of metal materials, the second cavity is internally provided with a spring for driving the baffle plate to move towards the direction of the channel, and the spring is positioned between one side, far away from the channel, of the second cavity and the baffle plate.

Two hanging rods extending towards the center direction of the upper end face of the material tray frame are fixedly arranged at the upper end of the material tray frame along the two sides of the length direction of the material tray frame respectively, a certain gap is reserved between the hanging rods at the two sides of the upper end of the material tray frame, a plurality of hooks which are used for being connected to the hanging rods in a hanging mode are fixedly arranged at the upper end of the rectangular frame, and the hooks correspond to the hanging rods one by one.

The upper end of the rectangular frame is fixedly provided with a plurality of grabbing rods which are convenient for an external mechanical hand to grab.

Two sides of the outer wall of the rectangular frame are respectively provided with a bracket, and the supporting plate and the locking device are arranged in the brackets and used for accommodating and locking the tray

According to the freeze-dried material conveying system, the tray for bearing materials can be moved to the feeding device by the conveying device, the tray is lifted to and fed to the corresponding level of the tray frame by the first driving mechanism and the second driving mechanism of the feeding device, the locking device for locking the tray in the tray frame is arranged on the tray, the falling of the tray caused by shaking generated by the tray frame in the moving process of the tray frame is avoided, and the gravity center of the rectangular frame of the tray frame gradually moves downwards along with the increase of the number of the tray frame in the feeding process from bottom to top, so that the whole tray frame is more stable and difficult to turn over.

Drawings

Fig. 1 is a schematic diagram illustrating a freeze-dried material transport system according to one embodiment of the present invention.

Fig. 2 is a schematic diagram showing the structure of the freeze-drying tray feeding device shown in fig. 1.

Fig. 3 and 4 are schematic views showing a first guide plate and a driving plate of the tray loading device shown in fig. 2.

Fig. 5 is a schematic view showing an internal structure of the driving plate shown in fig. 3.

Fig. 6 to 8 are enlarged schematic views showing respective portions of the driving plate shown in fig. 5.

Fig. 9 is a schematic view showing the cooperation of the fixing frame of the tray feeding device shown in fig. 2 and the conveying frame of the tray conveying device.

Fig. 10 is an enlarged partial schematic view showing one fixing seat of the fixing frame shown in fig. 9.

Fig. 11 is a schematic view showing the overall structure of a freeze-dried tray of a freeze-dried material transfer system according to another embodiment of the present invention.

Fig. 12 is a schematic view showing the structure of a material rack and a rectangular frame of the freeze-dried material tray shown in fig. 11.

Fig. 13 is a schematic view showing the structure of the rectangular frame shown in fig. 12.

Fig. 14 is a schematic view showing the structure of the tray shown in fig. 11.

Fig. 15 is a cut-away view showing the tray of fig. 14 after two trays are locked.

Fig. 16 is a partial enlarged view showing the rectangular frame shown in fig. 13.

Fig. 17 is a partially enlarged view showing the tray shown in fig. 15.

Fig. 18 is a schematic view showing a structure of the material rack shown in fig. 2.

Fig. 19 is a schematic view showing the overall structure of a freeze-dried tray of a freeze-dried material transfer system according to another embodiment of the present invention.

Detailed Description

The freeze-dried material handling system of the present invention will be further described with reference to the drawings and examples, and corresponding and other objects, aspects and advantages thereof will become apparent from the following description.

Fig. 1 is a schematic diagram illustrating a freeze-dried material transport system according to one embodiment of the present invention. Referring to fig. 1, a freeze-dried material delivery system is a system for automatically delivering a material-bearing tray to a freeze-dried tray rack, the system comprising: the tray conveying device 1 comprises a conveying frame 101 and a plurality of rollers 103 uniformly distributed along the length direction of the conveying frame, wherein a first gap 102 is arranged between every two adjacent rollers; the tray feeding device 4 comprises a fixed frame 41, a first driving part and a second driving part, wherein the first driving part is arranged on the fixed frame and comprises a first guide plate 7 arranged on the fixed frame and a first driving mechanism 9 for driving the first guide plate to do lifting motion; the second driving part comprises a driving plate 10 which is integrally arranged with the first guide plate, and a second driving mechanism 13 which is arranged in the driving plate and is used for transferring the trays which are transferred from the tray transferring device to the driving plate to a freeze-drying tray frame; the freeze-dried tray frame 2 comprises a rectangular frame 22 and a plurality of support plates arranged on the inner wall of the rectangular frame for placing trays 38, wherein one ends of the support plates are provided with locking devices for locking the trays on the support plates.

In operation of the system, the tray 38 carrying the material to be processed is moved forward, for example, from the loading end of the tray conveyor 1 over the drive plate 10 of the tray feeder 4 by the drive of the drum 103, the first drive mechanism 9 for example lifts a first guide plate provided integrally with the drive plate to a level corresponding to the tray frame 2, and then the second drive mechanism 13 transfers the tray 38 transferred onto the drive plate onto the freeze-dried tray frame 2.

Fig. 2 is a schematic view showing the structure of the freeze-dried tray feeding device shown in fig. 1, and fig. 3 and 4 are schematic views showing a first guide plate and a driving plate of the tray feeding device shown in fig. 2. Referring to fig. 2 to 4, the freeze-drying tray feeding device comprises a fixing frame 4, the fixing frame comprises a fixing seat 41 and two upright posts 5 arranged on the fixing seat, a fixing plate 6 is fixedly arranged at the upper ends of the upright posts 5, and two ends of the fixing plate 6 are respectively and fixedly arranged at the upper ends of the two upright posts 5. The freeze-drying charging tray feeding device further comprises a first driving part, the first driving part comprises a first guide plate 7 which can move up and down along the length direction of the upright posts 5, two ends of the first guide plate 7 are respectively sleeved on the two upright posts 5, and a plurality of clamping claws 8 for supporting the charging tray 38 are integrally arranged on one side of the first guide plate 7. Preferably, the width of the jaws 8 is set to be slightly smaller than the first gap 102 between adjacent rollers 103 of the aforementioned tray transfer device 1 so that it can be horizontally inserted into the first gap. The first driving part further comprises a first driving mechanism 9 arranged on the fixed plate 6 and used for driving the first guide plate 7 to move up and down along the length direction of the upright 5. When the tray 38 carrying the material to be processed is transferred from the tray transfer device 1 to above the claws 8, the claws 8 provided integrally with the first guide plate 7 can lift the tray upward from the drum 103.

The freeze-drying charging tray feeding device further comprises a second driving part, the second driving part comprises a driving plate 10 which is integrally arranged with the first guide plate 7, a first cavity 11 which extends along the length direction of the driving plate 10 is formed in the upper end of the driving plate 10, a first transmission belt 12 is movably arranged in the first cavity 11, and the upper end face of the first transmission belt 12 is flush with the upper end face of the clamping jaw 8. A certain gap is reserved between the side part of the first transmission belt 12 and the inner wall of the first cavity 11, a second driving mechanism 13 for driving the first transmission belt 12 to roll is arranged on the side wall of the driving plate 10, and a jacking mechanism 14 for jacking the first transmission belt 12 is arranged in the first cavity 11.

The freeze-drying tray feeding device comprises a first driving mechanism 9, wherein the first driving mechanism 9 comprises a first motor 15 fixedly arranged on a fixed plate 6, a first gear 16 is fixedly arranged on the first motor 15, a chain 17 is sleeved on the first gear 16, the chain 17 is always meshed with the first gear 16, one end of the chain 17 is fixedly arranged on the first guide plate 7, and the other end of the chain 17 is positioned on two sides of the fixed plate 6. One end of the chain 17 far away from the first guide plate 7 is fixedly provided with a balancing weight 18. The first guide plate 7 is fixedly provided with a mounting block 19, the driving plate 10 is fixedly provided at one end of the mounting block 19, and the chain 17 is fixedly provided on the mounting block 19 toward one end of the first guide plate 7. The first gear 16 on the first motor 15 drives the chain 17 to move, and two ends of the chain 17 are respectively fixed on the mounting block 19 and the balancing weight 18 on the first guide plate 7, so that the first guide plate 7 can be driven to move up and down easily.

Fig. 5 is a schematic view showing an internal structure of the driving plate shown in fig. 3, and fig. 6 to 8 are enlarged schematic views showing respective portions of the driving plate shown in fig. 3 to 5. Referring to fig. 5 to 8, the second driving mechanism 13 includes two first shafts 20 rotatably disposed at two ends of the first cavity 11, and a first roller 21 is sleeved on the first shafts 20. The first transmission belt 12 is sleeved on two first rollers 21, one end of the first rotation shaft 20 is located outside the driving plate 10, a second motor 22 for driving the first rotation shaft 20 to rotate is fixedly arranged on the side wall of the mounting block 19, and the second motor 22 drives the first rotation shaft 20 to rotate through a second transmission belt 23. The jacking mechanism 14 comprises second guide plates 24 respectively arranged at two sides of two ends of the first transmission belt 12 and attached to the inner wall of the first cavity 11, a first mounting plate 25 and a second mounting plate 26 are respectively and fixedly arranged between the two second guide plates 24 positioned at the same end of the first transmission belt 12 from outside to inside, two guide grooves 27 penetrating through the driving plate 10 are arranged on the driving plate 10, the guide grooves 27 extend along the horizontal direction and are perpendicular to the length direction of the driving plate 10, a second rotating shaft 28 is movably arranged in the guide grooves 27, a second roller 29 is sleeved on the second rotating shaft 28, the second rotating shaft 28 and the second roller 29 are positioned in the first transmission belt 12 and between the second guide plates 24 positioned at two ends of the first transmission belt 12, the upper ends of the second roller 29 are attached to the upper end of the inner wall of the first transmission belt 12, the second guide plate 24 is provided with a guiding inclined plane 30 for guiding the second rotating shaft 28 to move upwards, the guiding inclined plane 30 gradually inclines towards the direction of the second rotating shaft 28 from top to bottom, the driving plate 10 is rotatably provided with a third rotating shaft 31 parallel to the guiding groove 27, the third rotating shaft 31 is positioned between the two second mounting plates 26, an end face of the second mounting plate 26, which faces the third rotating shaft 31, is fixedly provided with a pull rope 32, the other end of the pull rope 32 is fixedly arranged on the third rotating shaft 31, one end of the third rotating shaft 31 is positioned outside the driving plate 10, the side wall of the driving plate 10 is provided with a third motor 33 for driving the third rotating shaft 31 to rotate, and the third motor 33 drives the third rotating shaft 31 to rotate through a third driving belt 34. The third motor 33 drives the third rotating shaft 31 to rotate, the third rotating shaft 31 continuously winds the pull rope 32 in the rotating process, the second mounting plate 26 at the other end of the pull rope 32 is driven to move towards the third rotating shaft 31, the second guide plate 24 is driven to move towards the third rotating shaft 31, the second rotating shaft 28 is driven to move upwards along the guide groove 27 through the guide inclined surface 30 which is always contacted with the second rotating shaft 28 on the second guide plate 24, the second roller 29 sleeved on the second rotating shaft 28 moves upwards and the lifting of the first transmission belt 12 is completed, and friction between the first transmission belt 12 and the material disc 38 is greatly increased.

The end face of the first mounting plate 25 far away from the second mounting plate 26 is fixedly provided with a first spring 35 for driving the first mounting plate 25 to be far away from the third rotating shaft 31, and one ends of the two first springs 35 on the two first mounting plates 25 far away from the third rotating shaft 31 are respectively fixedly arranged at two ends of the inner wall of the first cavity 11. The resetting of the second guide plate 24 is accomplished by the first spring 35.

Fig. 9 is a schematic view showing the cooperation of the fixing frame of the tray feeding device shown in fig. 2 and the conveying frame of the tray conveying device, and fig. 10 is a partially enlarged schematic view showing one fixing seat of the fixing frame shown in fig. 9. Referring to fig. 9 and 10 in combination, two sets of third rollers 52 and a fourth motor 53 for driving the third rollers 52 to rotate are movably disposed at the bottom of the fixed seat 41 of the fixed frame 4. The bottom of the transmission frame is fixedly provided with a guide rod 54 extending along the length direction of the transmission frame 101, the side wall of the fixed seat 41 is fixedly provided with a plurality of guide sleeves 55 sleeved on the guide rod 54, and the fixed frame 4 can move and adjust along the length direction of the transmission frame 101.

FIG. 11 is a schematic view showing the overall structure of a freeze-dried tray of a freeze-dried material transfer system according to another embodiment of the present invention; FIG. 12 is a schematic view showing the construction of a material rack and rectangular frame of the freeze-dried material tray rack shown in FIG. 11; fig. 13 is a schematic view showing the structure of the rectangular frame shown in fig. 12. Referring to fig. 11 to 13, the freeze-drying tray rack comprises a material rack 2 and a rectangular frame 36 clamped on the material rack 2, two sides of the inner wall of the rectangular frame 36 are respectively and fixedly provided with a plurality of supporting plates 37 used for placing trays 38, the supporting plates 37 are uniformly distributed in the rectangular frame 36 along the vertical direction, the length direction of each supporting plate 37 is parallel to the length direction of the material rack 2, the trays 38 are erected on two supporting plates 37 positioned on the same horizontal plane, the supporting plates 37 are L-shaped, and a baffle 39 is fixedly arranged between one ends, away from the rectangular frame 36, of the two supporting plates 37 positioned on the same horizontal plane in the rectangular frame 36.

FIG. 14 is a schematic view showing the structure of the tray shown in FIG. 11; FIG. 15 is a cut-away view showing the tray of FIG. 14 after two trays are locked; fig. 16 is a partial enlarged view showing the rectangular frame shown in fig. 13; fig. 17 is a partially enlarged view showing the tray shown in fig. 15. Referring to fig. 11 to 17, a locking block 40 for fixing the trays 38 on the baffle 39 and fixing two adjacent trays 38 is disposed on the tray 38, a cavity 41 is disposed in the locking block 40, a channel 42 penetrating through the sidewall of the tray 38 and communicating with the cavity 41 in the locking block 40 is disposed on the sidewall of the tray 38, the diameter of the cavity 41 gradually decreases toward the channel 42, a locking pin 43 for inserting into the channel 42 on the locking block 40 is fixedly disposed on the baffle 39, a locking pin 43 for inserting into the channel 42 on the locking block 40 is fixedly disposed on one side of the tray 38 facing the adjacent tray 38, a plurality of steel balls 44 for locking the locking pins 43 are disposed in the cavity 41, a partition 45 is movably disposed in the cavity 41, the steel balls 44 are disposed between the partition 45 and the channel 42 in the cavity 41, the partition 45 is made of metal material, a spring 46 for driving the partition 45 to move toward the channel 42 is disposed in the cavity 41, and the spring 46 is disposed between the partition 45 and the partition 45 on one side of the cavity 45. For example, two locking blocks 40 and two locking pins 43 are respectively arranged on the tray 38, for example, two locking pins 43 are arranged on the baffle 39, and the locking pins 43 are in one-to-one correspondence with the locking blocks 40. The steel balls 44 in the locking block 40 are provided with five steel balls, for example, and the diameter of the steel balls 44 is smaller than the diameter of the passage 42. After the tray 38 is placed on the supporting plate 37, the locking pin 43 on the baffle 39 is inserted into the channel 42, the locking pin 43 pushes the steel ball 44 to move in the direction away from the channel 42, meanwhile, the steel ball 44 is always moved in the direction away from the channel 42 under the driving of the baffle 45 and the spring 46, when the tray 38 is contacted with the baffle 39 to move to a fixed position, the locking of the tray 38 is completed, when the material rack 2 tilts in the moving process, the tray 38 moves in the direction away from the baffle 39, the baffle 45 is driven by the spring 46 to move in the direction away from the channel 42, the locking pin 43 on the baffle 39 moves in the direction away from the channel 42, the steel ball 44 is driven by friction between the locking pin 43 and the steel ball 44 to move in the direction away from the channel 42, and the locking pins 43 and 44 are locked in the cavity 41 by the gradually reduced diameter in the direction towards the channel 42, so that the tray 38 can be locked, the falling of the tray 38 caused by shaking generated by the material rack 2 in the moving process of the material rack 2 is avoided, and in the feeding process from bottom to top, the gravity center of the rectangular frame 36 is gradually moved down more easily, and the whole is not stable.

The length of the tray 38 is the same as the distance between two support plates 37 located on the same plane in the rectangular frame 36, and the width of the tray 38 is, for example, one fourth of the length of the support plates 37, so that more trays 38 can be placed, and the processing efficiency is effectively improved. Compared with the prior art, when the freeze-dried tray frame is used, after the tray is placed on the supporting plate, the locking pin on the baffle plate is inserted into the channel of the tray, the locking pin pushes the steel balls to move in the direction away from the channel, meanwhile, the steel balls always move in the direction of the channel under the driving of the baffle plate and the spring, when the tray contacts and moves to a fixed position with the baffle plate, the locking of the tray is completed, when the tray is inclined in the moving process, the tray moves in the direction away from the baffle plate, the baffle plate moves in the direction of the channel under the driving of the spring, the locking pin on the baffle plate moves in the direction away from the channel, the steel balls are driven to move in the direction of the channel through friction between the locking pin and the steel balls, and the locking pin and the steel balls are locked in the cavity through the cavity with gradually reduced diameter in the direction of the channel,

fig. 18 is a schematic view showing a structure of the material rack shown in fig. 12. Referring to fig. 12, 13 and 18, two hanging rods 47 extending towards the center direction of the upper end face of the material frame 2 are respectively and fixedly arranged at two sides of the upper end of the material frame 2 along the length direction of the material frame 2, a certain gap is reserved between the hanging rods 47 at two sides of the upper end of the material frame 2, a plurality of hooks 48 for being connected to the hanging rods 47 in a hanging mode are fixedly arranged at the upper end of the rectangular frame 36, and the hooks 48 are in one-to-one correspondence with the hanging rods 47. The hooks 48 are provided with openings 49 for being clamped on the hanging rod 47, and the openings 49 on the hooks 48 face the same direction. A plurality of gripping bars 51 which are convenient for the external mechanical hand to grip are fixedly arranged at the upper end of the rectangular frame 36. The rectangular frame 36 can be directly fixed on the material frame 2 through the hooks 48 on the rectangular frame 36, and the rectangular frame 36 is convenient to install and move. The upper end of the material rack 2 is fixedly provided with a plurality of support rods 50 for supporting the hanging rods 47, the hanging rods 47 are inserted into the support rods 50, the support rods 50 are in one-to-one correspondence with the hanging rods 47, and the support rods 50 gradually incline towards the hanging rods 47 from bottom to top. The hanging rod 47 is supported through the supporting rod 50, so that the overall structural strength of the material rack 2 is effectively improved, and the hanging rod 47 is prevented from being bent after long-time use.

Fig. 19 is a schematic view showing the overall structure of a freeze-dried tray of a freeze-dried material transfer system according to another embodiment of the present invention. Referring to fig. 11 to 13 and 19, for example, a bracket 56 is provided on each of two sides of the outer wall of the rectangular frame 36, and a plurality of support plates 37 for holding trays are fixedly provided on each of two sides of the inner wall of the bracket, for example, in the height direction of the bracket 56, so that the trays can be mounted on two support plates on the same horizontal plane, and a baffle 39 is fixedly provided between one ends of the two support plates on the same horizontal plane away from the bracket 56. During feeding, the trays can be fed into the multi-layer supporting plate 37, and the trays are locked in the bracket 56 by utilizing the locking blocks on the trays and the locking pins on the baffle plates 39, so that the volume of the trays stored in the tray rack is increased, and the feeding and conveying efficiency of materials can be greatly improved. Those skilled in the art will appreciate that, in accordance with the freeze-dried tray rack shown in fig. 19, the rectangular frame 36 intermediate the side brackets 56 thereof can also receive and lock the respective trays as previously described.

According to the freeze-dried material conveying system of the invention, when the system is in operation, a material tray 38 carrying material to be processed moves forwards, for example, from the feeding end of the material tray conveying device 1 to the position above a driving plate 10 integrally arranged with a first guide plate 7 on the material tray feeding device 4 through the driving of a roller 103, and claws 8 positioned at two sides of the driving plate are just inserted into a first gap 102 between adjacent rollers and can support the bottom of the material tray. The first driving mechanism 9 of the tray feeding device 4 lifts the first guide plate integrally provided with the driving plate to a height corresponding to the level of the tray frame 2, then the second driving mechanism 13 transfers the tray 38 transferred onto the driving plate onto the freeze-dried tray frame 2, and locks the tray in the tray frame by using the locking blocks on the tray and the locking pins on the tray frame baffle 39, and adjacent trays can also be mutually locked by the respective locking blocks and the locking pins, thereby avoiding falling of the tray caused by shaking generated by the tray frame in the moving process of the tray frame.

The specific embodiments described above are merely illustrative of the spirit of the invention. Those skilled in the art to which the invention pertains will appreciate that various modifications and additions may be made to the described embodiments or substitutions in a similar manner, but these variations and modifications are within the spirit of the invention or the scope of the invention as defined in the accompanying claims.

Claims

1. A freeze-dried material delivery system for automatically delivering a material-bearing tray onto a freeze-dried tray rack, the system comprising:

2. The freeze-dried material conveying system according to claim 1, wherein claws for supporting the tray are arranged on two sides of the driving plate, a first cavity extending along the length direction of the driving plate is formed in the upper end of the driving plate, a first transmission belt is movably arranged in the first cavity, the first transmission belt is driven by the second driving mechanism, and the upper end face of the first transmission belt is flush with the upper end face of the claws.

3. The freeze-dried material conveying system according to claim 2, wherein a lifting mechanism for lifting the first transmission belt is arranged in the first cavity, the lifting mechanism comprises second guide plates respectively arranged at two sides of two ends of the first transmission belt, two guide grooves penetrating through the sides of the driving plates, a second rotating shaft movably arranged in the two guide grooves and a second roller sleeved on the second rotating shaft, the second rotating shaft and the second roller are positioned in the first transmission belt and are positioned at the upper end of the inner wall of the first transmission belt, and a guide inclined surface for guiding the second rotating shaft to move upwards is arranged on the second guide plates.

4. A freeze-dried material conveying system according to claim 3, wherein a third rotating shaft parallel to the guide groove and a third motor for driving the third rotating shaft to rotate are rotatably arranged on the driving plate, the third rotating shaft drives the second guide plate to move through a pull rope, and the second rotating shaft and the second roller move upwards along the guide groove through a guide inclined plane on the second guide plate, so that the lifting of the first transmission belt is completed.

5. The freeze-dried material conveying system according to claim 1, wherein the plurality of support plates are uniformly distributed in the rectangular frame along the height direction of the rectangular frame, the length direction of the support plates is parallel to the length direction of the material frame, the material tray is arranged on two support plates positioned on the same horizontal plane, a baffle plate is fixedly arranged between one ends of the two support plates positioned on the same horizontal plane far away from the rectangular frame, and locking blocks for fixing the material tray on the baffle plate and fixing the two adjacent material trays are arranged on the material tray.

6. The freeze-dried material conveying system according to claim 5, wherein the second cavity is formed in the locking block, a channel penetrating through the side wall of the tray and communicated with the second cavity in the locking block is formed in the side wall of the tray, the diameter of the cavity is gradually reduced along the direction of the channel, a locking pin for being inserted into the channel of the locking block is fixedly arranged on the baffle, and a locking pin for being inserted into the channel of the locking block on the adjacent tray is fixedly arranged on one side, facing the adjacent tray, of the tray.

7. The freeze-dried material conveying system according to claim 6, wherein a plurality of steel balls for locking the locking pins are arranged in the second cavity, a partition plate is movably arranged in the second cavity, the steel balls are positioned between the partition plate and the channel in the second cavity, the partition plate is made of metal materials, and a spring for driving the partition plate to move towards the channel is further arranged in the second cavity, and the spring is positioned between one side, away from the channel, of the second cavity and the partition plate.

8. The freeze-dried material conveying system according to claim 1, wherein two hanging rods extending towards the center direction of the upper end face of the tray frame are fixedly arranged on two sides of the upper end of the tray frame along the length direction of the tray frame, a certain gap is reserved between the hanging rods on two sides of the upper end of the tray frame, a plurality of hooks for being hung on the hanging rods are fixedly arranged on the upper end of the rectangular frame, and the hooks correspond to the hanging rods one by one.

9. The freeze-dried material conveying system according to claim 1, wherein a plurality of gripping bars which are convenient for an external mechanical hand to grip are fixedly arranged at the upper end of the rectangular frame.

10. The freeze-dried material conveying system according to claim 1, wherein two sides of the outer wall of the rectangular frame are respectively provided with a bracket, and the supporting plate and the locking device are arranged in the brackets and used for accommodating and locking the tray.