CN211903512U - Freeze dryer with automatic feeding and discharging system - Google Patents

Freeze dryer with automatic feeding and discharging system Download PDF

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Publication number
CN211903512U
CN211903512U CN202020391309.9U CN202020391309U CN211903512U CN 211903512 U CN211903512 U CN 211903512U CN 202020391309 U CN202020391309 U CN 202020391309U CN 211903512 U CN211903512 U CN 211903512U
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freeze
supporting rod
heat conduction
drying
frame
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CN202020391309.9U
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杭志龙
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Shanghai Hongwei Environmental Protection Technology Co ltd
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Shanghai Hongwei Environmental Protection Technology Co ltd
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Abstract

The utility model relates to a freeze dryer with an automatic feeding and discharging system; comprises a charging trolley and a freeze-drying device; the material to be freeze-dried is positioned in the charging trolley before entering the freeze-drying device; the freeze-drying device is a container for freeze-drying materials; the charging trolley is connected with the freeze-drying device through a connecting rod mechanism, and the charging trolley can ascend to the upper part of the freeze-drying device through the connecting rod mechanism. The utility model lifts the charging trolley to the vertical upper part of the freeze-drying bin, after the lower cover is opened, the pre-frozen material can enter the freeze-drying bin instantly, thereby greatly saving the time and labor cost of manual charging; the contact time of the pre-frozen material and air is greatly shortened, the risk of thawing is reduced, and the quality of finished products is improved. The utility model discloses a heat pipe or vertical heat-conducting plate of freeze-drying storehouse central authorities replace old-fashioned freeze dryer's hot plate, evenly with the moisture sublimation in the material, go up the time and the cost of labor that the material was placed in the design saving of uncapping, after the freeze-drying was accomplished, the ejection of compact of lower part discharge gate, and the shaking table of supporting installation realizes automatic receipts material.

Description

Freeze dryer with automatic feeding and discharging system
Technical Field
The utility model relates to a freeze dryer, in particular to a freeze dryer which can lift a charging trolley to the vertical upper part of a freeze drying bin, after a lower cover is opened, pre-frozen materials can instantly enter the freeze drying bin, and the time and labor cost of manual charging are greatly saved; the contact time of the pre-frozen material and air is greatly shortened, the risk of thawing is reduced, and the quality of finished products is improved.
Background
In order to facilitate storage or transportation of products and also have the factors of nutrition, mouthfeel and the like, a plurality of industries use a freeze-drying technology to condense, separate and freeze-dry water in the products.
The freeze-drying technology is that firstly, the material to be freeze-dried is frozen at low temperature to be below the eutectic point temperature of the product, then a vacuum system is started to enable the material to be in a vacuum negative pressure state, and then the temperature is slowly increased according to the set freeze-drying parameters, so that the material is completely dried in the original shape state. The low-temperature drying of the materials is beneficial to nutrition protection and taste of finished products, especially the activity of chemical components is kept, and the finished freeze-dried products have high rehydration, are convenient and efficient to use, and meet the high-quality requirements of customers.
The design of the existing freeze dryer requires that freeze-dried materials are pre-frozen before freeze-drying, and the materials are put into a freeze-drying bin after being frozen in a pre-freezing warehouse. The process has high requirements on environment and time, the environment temperature is too high, and the material is unfrozen due to long material discharging time, so that the quality of freeze-dried products is influenced. A plurality of trays are arranged in a freeze dryer produced by the prior art and used for placing materials needing freeze drying. The operator evenly puts the material that freezes in advance on the tray, puts into the supporter layer by layer again, later closes the hatch door, opens the machine, and the freeze-drying procedure is operated, waits that the freeze-drying process finishes, takes out finished product a dish by the staff again to the product is whole to be received, accomplishes the finished product and collects. Because the freeze dryer is inside not of uniform size, the inside tray quantity of small-size machine is less, places the material and collects the finished product and can accomplish in the short time, if operate large-scale machine, or the great mill of scale has many equipment coproduction, the material is placed and is collected with the finished product and just needs a large amount of manual works to accomplish one by one, increases manufacturer's cost of labor, reduces production efficiency simultaneously. In addition, because manual tray loading and tray collection takes time, the freeze-dried product is in an air environment for a long time, and the risk of moisture regain and pollution is caused.
The utility model discloses a to above-mentioned problem, provide new solution.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, the main object of the present invention is to provide a loading trolley that can be lifted to a position vertically above a freeze-drying chamber, and after a lower cover is opened, pre-frozen materials can instantly enter the freeze-drying chamber, thereby greatly saving manual loading time and labor cost; the contact time of the pre-frozen material and air is greatly shortened, the risk of thawing is reduced, and the quality of finished products is improved.
The utility model discloses a solve above-mentioned technical problem through following technical scheme: a freeze dryer with an automatic loading and unloading system; the freeze dryer with the automatic feeding and discharging system comprises:
a charging trolley: the material to be freeze-dried is positioned in the charging trolley before entering the freeze-drying device;
a freeze-drying device: the freeze-drying device is a container for freeze-drying materials;
the charging trolley is connected with the freeze-drying device through a connecting rod mechanism, and the charging trolley can ascend to the upper part of the freeze-drying device through the connecting rod mechanism.
In a specific embodiment of the present invention; the charging trolley comprises a charging bin and a vibrating device; the vibrating device is fixedly arranged on the outer side and vibrates the material in the charging bin into the freeze-drying device.
In a specific embodiment of the present invention; the connecting rod mechanisms comprise two groups of connecting rod mechanisms which are respectively positioned at two sides of the charging trolley; the two groups of link mechanisms respectively comprise: the device comprises a first supporting rod, a second supporting rod, a third supporting rod, a fourth supporting rod, a fifth supporting rod, a sixth supporting rod, a seventh supporting rod and a push rod; the first supporting rod and the second supporting rod are connected by a bearing; the second supporting rod and the third supporting rod are connected by a bearing; the third supporting rod and the fourth supporting rod are connected by a bearing; the fourth supporting rod and the fifth supporting rod are connected by a bearing; the fifth supporting rod and the sixth supporting rod are connected by a bearing; the sixth supporting rod and the seventh supporting rod are connected by a bearing; the push rod is arranged on a bearing between the sixth supporting rod and the seventh supporting rod.
In a specific embodiment of the present invention; the freeze-drying device comprises:
a frame: the frame is a containing chamber of the whole freeze-drying bin;
a heat conduction device: the heat conduction device is fixed in the frame and is connected with an external temperature adjusting device or is connected with a liquid temperature adjusting device after containing liquid;
insulating layer: the heat-insulating layer is tightly attached to the outside of the frame and prevents the temperature of the freeze-drying bin from convecting with the outside;
vacuum tube: one end of the vacuum tube is connected with the vacuum extractor, and the other end of the vacuum tube is positioned in the frame;
feeding port: the feed inlet is positioned above the frame; the feed inlet is provided with a heat-insulating layer cover;
a discharge port: the discharge port is positioned below the frame; the discharge port is provided with a heat-insulating layer cover;
a vibration device: the vibration device vibrates the freeze-dried material in the frame into and out of the material port, and the vibration device is fixed on the frame; the vibration device provides vibration through a motor;
and shock-proof devices are arranged below the four feet of the frame.
In a specific embodiment of the present invention; the heat conducting device is a heat conducting plate or a heat conducting pipe; the medium in the heat conduction pipe is gas or liquid.
In a specific embodiment of the present invention; the thickness range of the heat-insulating layer is as follows: 5-15mm, and the heat-insulating layer is made of polyurethane.
In a specific embodiment of the present invention; the discharge port can be one or divided into a plurality of discharge ports, and the discharge ports are of an upper port feeding structure and a lower port discharging structure.
In a specific embodiment of the present invention; the shockproof device is made of one of plastic or rubber, and the shockproof device is sleeved on the four legs of the frame and is sleeved together in an interference fit mode.
In a specific embodiment of the present invention; the vacuum tube is connected with an external vacuum extractor, and a valve is sleeved on the outer wall of the vacuum tube.
In a specific embodiment of the present invention; the heat conduction pipe comprises a transverse heat conduction pipe or a longitudinal heat conduction pipe or a vertical heat conduction plate;
the longitudinal heat conduction pipe in the heat conduction pipes is a main pipe and is connected with an external heat conduction medium pipe, and the transverse heat conduction pipe is a branch of the longitudinal heat conduction pipe and is connected to the longitudinal heat conduction pipe;
or the transverse heat conduction pipe in the heat conduction pipes is a main pipe, the transverse heat conduction pipe is connected with an external heat conduction medium pipe, and the longitudinal heat conduction pipe is a branch of the transverse heat conduction pipe and is connected to the transverse heat conduction pipe.
The utility model discloses an actively advance the effect and lie in: the utility model provides a freeze dryer of unloading system has following advantage in the area is automatic: 1. the utility model provides a freeze dryer with an automatic feeding and discharging system; the loading trolley is lifted to be vertically above the freeze-drying bin, the upper cover of the freeze-drying bin is opened in a linkage manner, the lower cover of the material trolley is opened, pre-frozen materials can enter the freeze-drying bin instantly, and the manual loading time and the manual cost are greatly saved; the contact time of the pre-frozen material and air is greatly shortened, the risk of thawing is reduced, and the quality of finished products is improved.
2. The utility model discloses a heat pipe or vertical heat-conducting plate of freeze-drying storehouse central authorities replace the hot plate of old-fashioned freeze-dryer, evenly with the moisture sublimation in the material, the time and the cost of labor of placing the material are practiced thrift in the design of uncapping on, after the freeze-drying was accomplished, the product collection mouth of bottom discharge design, and the shaking table of supporting installation realizes automatic receipts material, and the shock attenuation platform of four feet increases the buffering, makes the machine even running. This design practices thrift the cost of labor, need not like old-fashioned freeze-drying storehouse a dish blowing again and receive the material, improves production efficiency, promotes product quality. The utility model discloses when accomplishing high quality freeze-drying process, the effectual time of placing the material and collecting the material of having practiced thrift the cost of labor, improve production efficiency, promote product quality.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the overall structure of the present invention.
Fig. 3 is a perspective view of the freeze-drying device of the present invention.
Fig. 4 is a front view of the freeze-drying device of the present invention.
Fig. 5 is a top view of the freeze-drying device of the present invention.
Fig. 6 is a right side view of the freeze-drying device of the present invention.
Fig. 7 is a schematic view of the structure inside the loading bin of the present invention (the heat conducting device is a schematic view of the heat conducting plate).
The utility model discloses the name that well reference numeral corresponds:
the device comprises a frame 1, a heat conduction pipe 2, a shock-proof device 3, a vacuum pipe 4, a feed inlet 5, a discharge outlet 6, a vibration device 7, a feed inlet heat-insulating layer cover 8, a discharge outlet heat-insulating layer cover 9 and a heating plate 10;
the charging trolley 20, the freeze-drying device 30 and the connecting rod mechanism 40;
a charging bin 201, a vibrating device 202;
a first strut 401, a second strut 402, a third strut 403, a fourth strut 404, a fifth strut 405, a sixth strut 406, a seventh strut 407, and a push rod 408.
Detailed Description
The following provides a preferred embodiment of the present invention with reference to the accompanying drawings to explain the technical solutions of the present invention in detail.
The utility model discloses well link mechanism 40 adopts hydraulic control mode control. Various branch of hydraulic control mode can promote the dolly of feeding to the perpendicular top in freeze-drying storehouse, opens the lower cover after, and the material that freezes in advance can get into freeze-drying storehouse in the twinkling of an eye, practices thrift the time and the cost of labor of manual loading in a large number. The contact time of the pre-frozen material and air is greatly shortened, the risk of thawing is reduced, and the quality of finished products is improved.
The heat pipe or the vertical hot plate of freeze-drying storehouse central authorities, vertical hot plate both sides have little empty as the steam circulation hole, evenly sublimes the moisture in the material, and the time and the cost of labor of placing the material are practiced thrift in the design of uncapping on, and after the freeze-drying was accomplished, the discharge gate ejection of compact below, and the shaking table of supporting installation realizes receiving the material automatically, and the shock attenuation platform of four feet increases the buffering, makes the machine even running. This design practices thrift the cost of labor, need not like old-fashioned freeze-drying storehouse a dish blowing again and receive the material, improves production efficiency, promotes product quality.
The utility model discloses under the unchangeable circumstances of freeze-drying technique, change original freeze-drying storehouse and place the material and collect off-the-shelf mode, trun into the automation into from the manual work, improve production efficiency greatly to reduce the cost of labor, promote the product quality.
Fig. 1 is a schematic view of the overall structure of the present invention. Fig. 2 is a schematic view of the overall structure of the present invention. As shown in fig. 1-2: the utility model provides a freeze dryer with an automatic feeding and discharging system; this take freeze dryer of unloading system on automation includes: the device comprises a charging trolley 20, a freeze-drying device 30 and a connecting rod structure 40; the material to be lyophilized is located in the charging trolley 20 before entering the lyophilization apparatus 30; the freeze-drying device 30 is a container for freeze-drying the material; the charging trolley 20 and the freeze-drying device 30 are connected through a link mechanism 40, and the charging trolley 20 can be lifted above the freeze-drying device 30 through the link mechanism 40.
The charging trolley 20 comprises a charging bin 201 and a vibrating device 202; the vibration device 202 is fixedly installed at the outer side, and the vibration device 202 vibrates the material in the hopper 201 into the freeze-drying device 30.
The link mechanism 40 comprises two groups of link mechanisms which are respectively positioned at two sides of the charging trolley 20; the two groups of link mechanisms respectively comprise: a first strut 401, a second strut 402, a third strut 403, a fourth strut 404, a fifth strut 405, a sixth strut 406, a seventh strut 407, a push rod 408; the first strut 401 and the second strut 402 are connected by a bearing; the second strut 402 and the third strut 403 are connected by a bearing; the third strut 403 and the fourth strut 404 are connected by a bearing; the fourth supporting rod 404 and the fifth supporting rod 405 are connected by a bearing; the fifth supporting rod 405 and the sixth supporting rod 406 are connected by a bearing; the sixth supporting rod 406 and the seventh supporting rod 407 are connected by a bearing; the push rod 408 is mounted on bearings between the sixth strut 406 and the seventh strut 407.
The principle of the embodiment of the utility model is as follows: firstly, the processing raw materials can directly get into in the dolly of feeding and freeze the storehouse in advance, accomplishes the back of freezing in advance, pushes the dolly of feeding into the cell type buckle of automatic feeding system connecting rod, opens hydraulic controller afterwards, and at this moment, the dolly is pushed up by hydraulic pressure branch, and freeze-drying storehouse lid linkage is opened simultaneously, opens the dolly lower cover of feeding, and the material that freezes in advance falls into freeze-drying storehouse in the twinkling of an eye, puts down the dolly door of feeding and also links to cover, can carry out the freeze-drying processing of evacuation.
The utility model discloses freeze-drying storehouse part of desiccator can design for bucket formula or box, whatever shape lower part all is ejection of compact design, the upper cover is opened and is fed, can be with conveyer belt direct feeding or dolly automatic feeding, the ejection of compact is opened to the lower cover, can directly send the packing shop with the conveyer belt, box inside evenly inserts heat conduction heating pipe or vertical hot plate, vertical hot plate two sides have the sky as steam flow hole, the outer wall also evenly is covered with heat conduction heating pipe or hot plate all around, select heating pipe or vertical hot plate to look at freeze-drying raw materials or production side requirement and decide, nevertheless no matter which kind of heating device, its technical principle is unanimous: after the freeze-drying is finished, the lower discharge port is opened to seal, the vibration table on one side of the freeze-drying bin is opened, the finished product automatically drops to the conveyor belt along with vibration, and the automatic collection of materials is realized through the conveyor belt.
Fig. 3 is the perspective view of the middle freeze-drying device of the present invention, fig. 4 is the main view of the middle freeze-drying device of the present invention, fig. 5 is the top view of the middle freeze-drying device of the present invention, fig. 6 is the right view of the middle freeze-drying device of the present invention. As shown in figures 3-6: the utility model provides a freeze-drying device includes frame 1, heat pipe 2, heat preservation (not shown in the figure), vacuum tube 4, feed inlet 5, discharge gate 6, vibrating device 7.
The frame 1 is a containing chamber of the whole freeze-drying bin; the heat conduction pipe 2 is fixed in the frame 1, and the heat conduction pipe 2 is connected with an external temperature adjusting device or is connected with a liquid temperature adjusting device after containing liquid; the medium in the heat conduction pipe is gas or liquid.
The heat-insulating layer is tightly attached to the outside of the frame 1 and prevents the temperature of the freeze-drying bin from convecting with the outside; one end of the vacuum tube 4 is connected with a vacuum extractor, and the other end is positioned in the frame 1; the feed inlet 5 is positioned above the frame; the feed port 5 is provided with a feed port heat-insulating layer cover 8; the discharge port 6 is positioned below the frame; the discharge port 6 is provided with a discharge port insulating layer cover 9.
The vibration device 7 vibrates the freeze-dried material in the frame into and out of the material port, and the vibration device is fixed on the frame; the vibration device provides vibration through a motor. The four feet of the frame are provided with shock-proof devices 3.
In a specific implementation process, the heat-insulating layer is made of transparent substances convenient to observe. Further, the thickness range of the heat-insulating layer can be set as follows: 5-15mm, and the heat-insulating layer is made of polyurethane. In particular implementations, other materials or thicknesses may be provided as desired.
As shown in fig. 3, the discharge port can be one or divided into a plurality of discharge ports, which are all feeding at the upper port and discharging at the lower port, and the number of the discharge ports can be set according to the requirement in the specific implementation process.
The utility model discloses a shock mounting 3 is one in plastics or rubber, and the shock mounting cover is on four feet of frame. The two parts are sleeved together in an interference fit mode. The vacuum tube is connected with an external vacuum extractor, and a valve is sleeved on the outer wall of the vacuum tube.
In specific manufacturing process, the utility model provides a heat pipe generally includes horizontal heat pipe or vertical heat-conducting plate. The following three typical ways can be adopted: the longitudinal heat conduction pipe in the heat conduction pipe is a main pipe, the longitudinal heat conduction pipe is connected with an external heat conduction medium pipe, and the transverse heat conduction pipe is a branch of the longitudinal heat conduction pipe and is connected to the longitudinal heat conduction pipe.
The transverse heat conduction pipe in the heat conduction pipe is a main pipe and is connected with an external heat conduction medium pipe, and the longitudinal heat conduction pipe is a branch of the transverse heat conduction pipe and is connected to the transverse heat conduction pipe.
In a specific implementation, the heat conducting pipes can be replaced by vertical heat conducting plates, see fig. 7.
In specific implementation, the utility model provides a mode that gas or liquid can be advanced to a plurality of directions to the heat pipe.
The utility model discloses a freeze-drying storehouse inside can be the heating pipe, also can be like the hot plate 10 in figure 7, can be provided with boil off gas's aperture on the hot plate 10.
As shown in fig. 2, after the loading trolley is pushed into the clamp at one end of the seventh supporting rod 407, the hydraulic device is started, the hydraulic push rod pushes out the extension rod containing the hydraulic push rod, the loading trolley is supported by the sixth supporting rod 406 and the seventh supporting rod 407, and simultaneously, as the fifth supporting rod 405 is changed from the horizontal position to the vertical position, the first supporting rod 401, the second supporting rod 402, the third supporting rod 403 and the fourth supporting rod 404 are linked in four-rod mode, the freeze-drying bin cover is opened, at this time, the loading trolley is vertically positioned above the freeze-drying bin, then, the lower cover of the loading trolley is opened, the vibrating device on the loading trolley is opened, and the pre-frozen material in the trolley can be loaded into the freeze-drying. Greatly saves the time and labor cost of manual charging. The contact time of the pre-frozen material and the air is greatly shortened, and the quality of the finished product is improved.
The vacuum chamber is filled with heat conducting pipes or heating plates filled with heat conducting medium (such as water, oil, steam, etc.). Open the vacuum storehouse upper cover and can directly add the material vacuum storehouse, at this moment, the gap between heat pipe or the vertical hot plate is filled by the material is automatic, the upper cover is covered after the material is adorned, open the freeze-drying procedure afterwards, the material carries out the low temperature drying in the freeze-drying storehouse, treat that the freeze-drying process finishes, open lower part material receiving mouth, open the shaking table of freeze-drying storehouse one side simultaneously, this shaking table is driven by a motor, and the shock attenuation platform of the four foot installations in freeze-drying storehouse can effectively cushion vibrations, make the machine even running. In the design, the funnel-type discharge port can quickly collect finished products when the vibration table is opened.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents.

Claims (10)

1. A freeze dryer with an automatic loading and unloading system; the method is characterized in that: the freeze dryer with the automatic feeding and discharging system comprises:
a charging trolley: the material to be freeze-dried is positioned in the charging trolley before entering the freeze-drying device;
a freeze-drying device: the freeze-drying device is a container for freeze-drying materials;
the charging trolley is connected with the freeze-drying device through a connecting rod mechanism, and the charging trolley can ascend to the upper part of the freeze-drying device through the connecting rod mechanism.
2. The freeze dryer with automatic loading and unloading system of claim 1, wherein: the charging trolley comprises a charging bin and a vibrating device; the vibrating device is fixedly arranged on the outer side and vibrates the material in the charging bin into the freeze-drying device.
3. The freeze dryer with automatic loading and unloading system of claim 1, wherein: the connecting rod mechanisms comprise two groups of connecting rod mechanisms which are respectively positioned at two sides of the charging trolley; the two groups of link mechanisms respectively comprise: the device comprises a first supporting rod, a second supporting rod, a third supporting rod, a fourth supporting rod, a fifth supporting rod, a sixth supporting rod, a seventh supporting rod and a push rod; the first supporting rod and the second supporting rod are connected by a bearing; the second supporting rod and the third supporting rod are connected by a bearing; the third supporting rod and the fourth supporting rod are connected by a bearing; the fourth supporting rod and the fifth supporting rod are connected by a bearing; the fifth supporting rod and the sixth supporting rod are connected by a bearing; the sixth supporting rod and the seventh supporting rod are connected by a bearing; the push rod is arranged on a bearing between the sixth supporting rod and the seventh supporting rod.
4. The freeze dryer with automatic loading and unloading system of claim 1, wherein: the freeze-drying device comprises:
a frame: the frame is a containing chamber of the whole freeze-drying bin;
a heat conduction device: the heat conduction device is fixed in the frame and is connected with an external temperature adjusting device or is connected with a liquid temperature adjusting device after containing liquid;
insulating layer: the heat-insulating layer is tightly attached to the outside of the frame and prevents the temperature of the freeze-drying bin from convecting with the outside;
vacuum tube: one end of the vacuum tube is connected with the vacuum extractor, and the other end of the vacuum tube is positioned in the frame;
feeding port: the feed inlet is positioned above the frame; the feed inlet is provided with a heat-insulating layer cover;
a discharge port: the discharge port is positioned below the frame; the discharge port is provided with a heat-insulating layer cover;
a vibration device: the vibration device vibrates the freeze-dried material in the frame into and out of the material port, and the vibration device is fixed on the frame; the vibration device provides vibration through a motor;
and shock-proof devices are arranged below the four feet of the frame.
5. The freeze dryer with automatic loading and unloading system of claim 4, wherein: the heat conducting device is a heat conducting plate or a heat conducting pipe; the medium in the heat conduction pipe is gas or liquid.
6. The freeze dryer with automatic loading and unloading system of claim 4, wherein: the thickness range of the heat-insulating layer is as follows: 5-15mm, and the heat-insulating layer is made of polyurethane.
7. The freeze dryer with automatic loading and unloading system of claim 4, wherein: the discharge port can be one or divided into a plurality of discharge ports, and the discharge ports are of an upper port feeding structure and a lower port discharging structure.
8. The freeze dryer with automatic loading and unloading system of claim 4, wherein: the shockproof device is made of one of plastic or rubber, and the shockproof device is sleeved on the four legs of the frame and is sleeved together in an interference fit mode.
9. The freeze dryer with automatic loading and unloading system of claim 4, wherein: the vacuum tube is connected with an external vacuum extractor, and a valve is sleeved on the outer wall of the vacuum tube.
10. The freeze dryer with automatic loading and unloading system of claim 5, wherein: the heat conduction pipe comprises a transverse heat conduction pipe or a longitudinal heat conduction pipe or a vertical heat conduction plate;
the longitudinal heat conduction pipe in the heat conduction pipes is a main pipe and is connected with an external heat conduction medium pipe, and the transverse heat conduction pipe is a branch of the longitudinal heat conduction pipe and is connected to the longitudinal heat conduction pipe;
or the transverse heat conduction pipe in the heat conduction pipes is a main pipe, the transverse heat conduction pipe is connected with an external heat conduction medium pipe, and the longitudinal heat conduction pipe is a branch of the transverse heat conduction pipe and is connected to the transverse heat conduction pipe.
CN202020391309.9U 2020-03-24 2020-03-24 Freeze dryer with automatic feeding and discharging system Active CN211903512U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111238175A (en) * 2020-03-24 2020-06-05 上海弘崴环保科技有限公司 Freeze dryer with automatic feeding and discharging system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111238175A (en) * 2020-03-24 2020-06-05 上海弘崴环保科技有限公司 Freeze dryer with automatic feeding and discharging system

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