Efficient energy-saving vacuum freeze dryer
By employing a U-shaped mounting bracket and a two-way screw structure in the freeze dryer to control the movement of the slider and baffle, and to isolate hot and cold gases, the problem of high energy consumption in the freeze dryer is solved, achieving a highly efficient and energy-saving freeze-drying effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-24
- Publication Date
- 2026-03-20
AI Technical Summary
Existing freeze dryers incorporate freezing and vacuum drying in the same space, leading to increased energy consumption and reduced efficiency.
It adopts a U-shaped mounting bracket and a two-way lead screw structure, combined with the design of slider, connecting rod and baffle. The movement of slider and baffle is controlled by motor to isolate hot and cold air, prevent heat loss and achieve energy saving effect.
By optimizing the structural design, reducing energy consumption, and improving freeze-drying efficiency, a highly efficient and energy-saving freeze-drying effect can be achieved.
Smart Images

Figure CN224018671U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the vacuum freeze drying technical field, more specifically, especially, it relates to a kind of high-efficiency energy-saving vacuum freeze dryer. BACKGROUND
[0002] Freeze dryer originates from vacuum freeze drying technology in the 1920s of 19th century, enters 21st century, vacuum freeze drying technology is widely applied in the field except in medicine, biological product, food, blood product, active material field, and the basic principle of freeze drying is based on the three-state change of water.Water has solid, liquid and gaseous state, three states can be mutually converted and can coexist.When water is at triple point (temperature is 0.01 DEG C, water vapor pressure is 610.5Pa), water, ice, water vapor can coexist and balance each other.In high vacuum state, using sublimation principle, the water in pre-frozen material is removed directly by sublimation as water vapor without melting, so as to achieve the purpose of freeze drying.
[0003] Some freeze dryer saves space by designing freezing and vacuum drying in the same space, and the heated food after freezing will take away the coldness of refrigeration structure, increase energy consumption, and reduce efficiency.
[0004] Therefore, the existing problems are researched and improved, and the high-efficiency energy-saving vacuum freeze dryer is provided, which aims to solve the problems and improve the practical value through the technology. INVENTION CONTENTS
[0005] The utility model aims at providing a kind of high-efficiency energy-saving vacuum freeze dryer to solve the problems and deficiencies in the above background technology.
[0006] To achieve the above object, the utility model provides a kind of high-efficiency energy-saving vacuum freeze dryer, by following specific technical means is achieved:
[0007] The utility model relates to a kind of high-efficiency energy-saving vacuum freeze dryer, including: freeze dryer main body, mounting bracket, first sliding rail, sliding block, two-way screw rod, motor, second guide rail, lifting plate, connecting shaft, connecting rod, cold pipe, cold hose, refrigeration system, bottom plate, sliding groove, baffle, connecting plate, two-way hydraulic cylinder, mounting shaft, heating layer board;The left and right sides of the inner wall of freeze dryer main body are bolted with mounting bracket, and the upper end of mounting bracket is bolted with first sliding rail, and sliding block is installed on the outer wall of first sliding rail by sliding mode;Two ends of two-way screw rod are installed on the inner wall of the left and right ends of mounting bracket by bearing, and motor is bolted on the outer wall of one end of mounting bracket, and the output end of motor is connected with two-way screw rod by coupling;The sliding block is connected with two-way screw rod by thread rotation mode;The left and right sides of the inner wall of freeze dryer main body are bolted with second guide rail, and lifting plate is installed on the outer wall of second guide rail by sliding mode;Connecting shaft is equipped on the outer wall of the lifting plate, and connecting rod is installed on the outer wall of connecting shaft by bearing;Two connecting rods are connected with each other in cross, and the two ends of adjacent connecting rod are connected by pivot, and the lower end of connecting rod is connected with sliding block by pivot;The top end of lifting plate is bolted with cold pipe, and the two ends of cold pipe are connected with cold hose, and the other end of cold hose is connected with refrigeration system;The refrigeration system is bolted at the lower end inside freeze dryer main body;The bottom plate is installed above refrigeration system, and the front and rear ends of bottom plate are bolted on the inner wall of freeze dryer main body;The left and right sides of the bottom plate are provided with sliding groove, and baffle is connected in the inner wall of sliding groove by clearance fit sliding mode;Connecting plate is welded on the outer wall of one side of baffle, and two-way hydraulic cylinder is bolted on the lower end of bottom plate, and the output end of two-way hydraulic cylinder is fixedly connected with connecting plate;The upper and lower ends of mounting shaft are fixedly connected with bottom plate and the upper side of the inner wall of freeze dryer main body, and heating layer board is sleevedly connected on the outer wall of mounting shaft.
[0008] As further optimization of the technical solution, the mounting bracket is in U-shaped structure, and the two ends of the mounting bracket are provided with circular holes for mounting bearings, and the two ends of the two-way screw rod are mounted on the inner wall of the mounting bracket by bearings.
[0009] As further optimization of the technical solution, the two ends of the two-way screw rod are provided with threads in opposite directions, and the outer wall of the sliding block is provided with threaded holes for matching the two-way screw rod, and the two sliding blocks are symmetrically mounted on the outer wall of the two-way screw rod.
[0010] As further optimization of the technical solution, the center of the connecting rod is provided with a circular hole for mounting a bearing, and the connecting rod is sleevedly connected on the outer wall of the connecting shaft by the bearing.
[0011] As a further optimization of the technical solution, the utility model discloses a high -efficient energy -saving vacuum freeze dryer, the baffle is slidably connected on the inner wall of the sliding groove through the plug -in mode.
[0012] As a further optimization of the technical solution, the utility model discloses a high -efficient energy -saving vacuum freeze dryer, the baffle's outer wall is provided with the recess for accommodating the second guide rail.
[0013] Due to the use of the above technical scheme, the utility model has the following advantages compared with the prior art:
[0014] 1, the utility model installs the whole U shape structure of frame, and the two ends of the mounting frame are provided with the round hole for installing the bearing, and the both ends of the two -way screw rod are installed on the inner wall of the mounting frame through the bearing, the both ends of the two -way screw rod are provided with the thread of opposite rotation, and the outer wall of the sliding block is provided with the screw hole for matching the two -way screw rod, and two sliding blocks are symmetrically installed on the outer wall of the two -way screw rod, the central position of the connecting rod is provided with the round hole for installing the bearing, and the connecting rod is connected on the outer wall of the connecting shaft through the bearing sleeve, the control motor can make the two -way screw rod rotate, can make two sliding blocks move simultaneously opposite, can control the opening and closing of the lower end of the connecting rod, thereby making the connecting rod retractable, can make the lifting plate move upwards and stretch, or move downwards and contract, conveniently, the cold -conducting pipe is collected to the lower of the bottom plate, prevents the cold degree of the cold -conducting pipe when heating, plays the energy -saving effect.
[0015] 2, the utility model discloses a baffle through the plug -in mode slidably connected on the inner wall of the sliding groove, the outer wall of the baffle is provided with the recess for accommodating the second guide rail, and the control two -way hydraulic cylinder can make the baffle slide outward, make the edge of the baffle and the inner wall of the both sides of the freeze dryer main body contact, isolate the two spaces of the bottom plate, prevent the cold and hot gas adulteration, more energy -efficient.
[0016] 3, the utility model discloses a kind of improvements to high -efficient energy -saving vacuum freeze dryer, with the advantages of reasonable structure design, reduce energy consumption, improve efficiency, to effectively solve the problems and deficiencies in prior art and equipment. DRAWINGS
[0017] The drawings constituting a part of this application are used to provide further understanding of the utility model, and the illustrative embodiment of the utility model and its explanation are used to explain the utility model, and do not constitute undue limitation on the utility model. In the drawings:
[0018] Figure 1 It is the overall structure schematic view of the utility model;
[0019] Figure 2 It is the cross-sectional structure schematic view of the utility model;
[0020] Figure 3 It is the cross-sectional structure schematic view of the utility model;
[0021] Figure 4 It is a partial structure schematic view of the utility model;
[0022] Figure 5 It is a partial structure schematic view of the utility model;
[0023] Figure 6 It is a partial explosion structure schematic view of the utility model.
[0024] In the figure: freeze dryer main body 1, mounting bracket 2, first slide rail 3, sliding block 4, bidirectional screw 5, motor 6, second guide rail 7, lifting plate 8, connecting shaft 9, connecting rod 10, cold pipe 11, cold hose 12, refrigeration system 13, bottom plate 14, sliding chute 15, baffle 16, connecting plate 17, bidirectional hydraulic cylinder 18, mounting shaft 19, heating layer plate 20. Specific implementation
[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments.
[0026] Please see Figures 1 to 6 The utility model provides a kind of concrete technical implementation scheme of high-efficiency energy-saving vacuum freeze dryer:
[0027] The utility model provides a high -efficient energy -saving vacuum freeze dryer, include: freeze dryer main part 1, mounting bracket 2, first slide rail 3, sliding block 4, two -way screw 5, motor 6, second guide 7, lifting plate 8, connecting shaft 9, connecting rod 10, guide cold pipe 11, guide cold hose 12, refrigerating system 13, bottom plate 14, sliding slot 15, baffle 16, connecting plate 17, two -way hydraulic cylinder 18, mounting shaft 19, heating layer board 20, the left and right sides bolted of freeze dryer main part 1 inner wall have mounting bracket 2, and the upper end bolted of mounting bracket 2 have first slide rail 3, and sliding block 4 is installed on the outer wall of first slide rail 3 by sliding mode, mounting bracket 2 is U shape structure as a whole, and the both ends of mounting bracket 2 are provided with round hole for installing bearing, and the both ends of two -way screw 5 are installed on the inner wall of mounting bracket 2 through bearing, the both ends of two -way screw 5 are equipped with the thread of opposite rotation, and the outer wall of sliding block 4 is provided with the screw hole for matching two -way screw 5, and two sliding blocks 4 are symmetrically installed on the outer wall of two -way screw 5, the central position of connecting rod 10 is provided with round hole for installing bearing, and connecting rod 10 is connected on the outer wall of connecting shaft 9 through bearing sleeve setting, control motor 6 can make two -way screw 5 rotate, can make two sliding blocks 4 move simultaneously oppositely, can control the opening and closing of the lower end of connecting rod 10, to make connecting rod 10 retractable, can make lifting plate 8 move upwards and stretch, or move down and contract, convenient guide cold pipe 11 is collected to the below of bottom plate 14, prevent the coldness of guide cold pipe 11 when heating, play energy -saving effect.
[0028] Two ends of the bidirectional screw rod 5 are mounted on the inner walls of the left and right ends of the mounting frame 2 through bearings, and the motor 6 is bolted on the outer wall of one end of the mounting frame 2, and the output end of the motor 6 is connected with the bidirectional screw rod 5 through a shaft coupling; the sliding block 4 is connected with the bidirectional screw rod 5 in a threaded rotary manner; the second guide rail 7 is bolted on the inner walls of the left and right sides of the freeze dryer main body 1, and the lifting plate 8 is mounted on the outer wall of the second guide rail 7 in a sliding manner; the connecting shaft 9 is arranged on the outer wall of the lifting plate 8, and the connecting rod 10 is mounted on the outer wall of the connecting shaft 9 through a bearing; the two connecting rods 10 are connected with each other in a crisscross manner, and the two ends of the adjacent connecting rods 10 are connected through rotating shafts, and the lower end of the connecting rod 10 is connected with the sliding block 4 through a rotating shaft; the cooling guide pipe 11 is bolted on the top end of the lifting plate 8, and the two ends of the cooling guide pipe 11 are connected with the cooling hose 12, and the other end of the cooling hose 12 is connected with the refrigeration system 13; the refrigeration system 13 is bolted on the lower end inside the freeze dryer main body 1; the bottom plate 14 is mounted above the refrigeration system 13, and the front and rear ends of the bottom plate 14 are bolted on the inner walls of the freeze dryer main body 1; the left and right sides of the bottom plate 14 are provided with the sliding grooves 15, and the baffle 16 is connected with the inner walls of the sliding grooves 15 in a gap fit sliding manner; the baffle 16 is connected with the inner walls of the sliding grooves 15 in a sliding manner; the outer wall of the baffle 16 is provided with a recess for accommodating the second guide rail 7, and the bidirectional hydraulic cylinder 18 can make the baffle 16 slide outward, so that the edges of the baffle 16 are in contact with the inner walls of the left and right sides of the freeze dryer main body 1, isolating the upper and lower spaces of the bottom plate 14, preventing cold and hot gas from mixing, and being more energy-efficient.
[0029] The connecting plate 17 is welded on the outer wall of one side of the baffle 16, the bidirectional hydraulic cylinder 18 is bolted on the lower end of the bottom plate 14, and the output end of the bidirectional hydraulic cylinder 18 is fixedly connected with the connecting plate 17; the upper and lower ends of the mounting shaft 19 are fixedly connected with the bottom plate 14 and the upper side of the inner wall of the freeze dryer main body 1, and the heating layer plate 20 is sleeved on the outer wall of the mounting shaft 19.
[0030] Specific implementation steps:
[0031] The freeze-dried food is placed above the heating layer plate 20, the refrigeration system 13 is started, the cooling guide pipe 11 freezes the food, after the freezing is completed, the bidirectional screw rod 5 is controlled to rotate through the motor 6, the two sliding blocks 4 are controlled to move simultaneously, the opening and closing of the lower end of the connecting rod 10 is controlled, so that the connecting rod 10 moves downward and shrinks below the bottom plate 14, the baffle 16 is controlled to slide outward through the bidirectional hydraulic cylinder 18, so that the edges of the baffle 16 are in contact with the inner walls of the left and right sides of the freeze dryer main body 1, isolating the upper and lower spaces of the bottom plate 14, preventing cold and hot gas from mixing, being more energy-efficient, and finally performing vacuum drying treatment above the bottom plate 14.
[0032] In summary: the one kind high -efficient energy -saving vacuum freeze dryer, through the mounting frame whole is U shape structure, and the two ends of mounting frame are equipped with the round hole for installing bearing, and the both ends of bidirectional screw rod are installed on the inner wall of mounting frame through bearing;The both ends of bidirectional screw rod are equipped with the thread of opposite rotation, and the outer wall of slider is equipped with the threaded hole for matching bidirectional screw rod, and two sliders are symmetrically installed on the outer wall of bidirectional screw rod;The center position of connecting rod is equipped with the round hole for installing bearing, and connecting rod is connected on the outer wall of connecting shaft through bearing sleeve, control motor can make bidirectional screw rod rotate, can make two sliders move simultaneously opposite, can control the opening and closing of lower end of connecting rod, so that connecting rod telescopes, can make lifting plate move upward and stretch, or move down and shrink, convenient for the cooling pipe to be collected to the bottom of bottom plate, prevent the cold degree of cooling pipe from taking away when heating, play energy -saving effect;The baffle is slidably connected on the inner wall of sliding groove through the plug -in mode;The outer wall of baffle is equipped with the recess for accommodating the second guide rail, control bidirectional hydraulic cylinder can make baffle slide outward, make the edge of baffle and the inner wall of both sides of freeze dryer main body contact, isolate the space of bottom plate, prevent cold and hot gas from mixing, more energy -efficient;Through the improvement of one kind high -efficient energy -saving vacuum freeze dryer, has the advantages such as reasonable structure design, reduces energy consumption, improves efficiency, thereby effectively solve the problems and deficiencies in prior art and equipment.
[0033] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A high-efficiency and energy-saving vacuum freeze dryer, comprising: The freeze dryer body (1), mounting frame (2), first slide rail (3), slider (4), double-acting screw (5), motor (6), second guide rail (7), lifting plate (8), connecting shaft (9), connecting rod (10), cooling pipe (11), cooling hose (12), refrigeration system (13), base plate (14), slide groove (15), baffle (16), connecting plate (17), double-acting hydraulic cylinder (18), mounting shaft (19), heating plate (20); characterized in that: the left and right sides of the inner wall of the freeze dryer body (1) are bolted with mounting frame (2), and the upper end of the mounting frame (2) is bolted with first slide rail (3), and slider (4) The slide block (4) is mounted on the outer wall of the first slide rail (3) by sliding; the two ends of the double-acting screw (5) are mounted on the inner walls of the left and right ends of the mounting frame (2) by bearings, and the motor (6) is bolted to the outer wall of one end of the mounting frame (2), and the output end of the motor (6) is connected to the double-acting screw (5) by a coupling; the slider (4) is connected to the double-acting screw (5) by threaded rotation; the left and right sides of the inner wall of the freeze dryer body (1) are bolted with the second guide rail (7), and the lifting plate (8) is mounted on the outer wall of the second guide rail (7) by sliding; the outer wall of the lifting plate (8) is provided with a connecting shaft (9), and the connecting rod (10) is connected by a connecting shaft (9) through a connecting shaft (9). The bearing is installed on the outer wall of the connecting shaft (9); the two connecting rods (10) are cross-connected to each other, and the two ends of adjacent connecting rods (10) are connected by a rotating shaft, and the lower end of the connecting rod (10) is connected to the slider (4) by a rotating shaft; the top end of the lifting plate (8) is bolted with a cooling pipe (11), and the two ends of the cooling pipe (11) are connected with cooling hoses (12), and the other end of the cooling hoses (12) is connected to the refrigeration system (13); the refrigeration system (13) is bolted to the lower end inside the freeze dryer body (1); the base plate (14) is installed above the refrigeration system (13), and the front and rear ends of the base plate (14) are connected to the refrigeration system (13). The bottom plate (14) is bolted to the inner wall of the freeze dryer body (1); the bottom plate (14) has a sliding groove (15) on the left and right sides, and the baffle (16) is inserted and connected to the inner wall of the sliding groove (15) by clearance fit sliding method; a connecting plate (17) is welded to the outer wall of one side of the baffle (16), and a two-way hydraulic cylinder (18) is bolted to the lower end of the bottom plate (14), and the output end of the two-way hydraulic cylinder (18) is fixedly connected to the connecting plate (17); the upper and lower ends of the mounting shaft (19) are fixedly connected to the bottom plate (14) and the upper side of the inner wall of the freeze dryer body (1), and the heating layer plate (20) is sleeved and connected to the outer wall of the mounting shaft (19).
2. The high-efficiency and energy-saving vacuum freeze dryer according to claim 1, characterized in that: The mounting bracket (2) is U-shaped in general, and the two ends of the mounting bracket (2) are provided with round holes for mounting bearings, and the two ends of the bidirectional lead screw (5) are mounted on the inner wall of the mounting bracket (2) through bearings.
3. The high-efficiency and energy-saving vacuum freeze dryer according to claim 1, characterized in that: The two ends of the bidirectional lead screw (5) are provided with threads in opposite directions, and the outer wall of the slider (4) is provided with threaded holes for cooperating with the bidirectional lead screw (5), and the two sliders (4) are symmetrically installed on the outer wall of the bidirectional lead screw (5).
4. The high-efficiency and energy-saving vacuum freeze dryer according to claim 1, characterized in that: The connecting rod (10) has a circular hole at its center for installing a bearing, and the connecting rod (10) is connected to the outer wall of the connecting shaft (9) by a bearing sleeve.
5. The high-efficiency and energy-saving vacuum freeze dryer according to claim 1, characterized in that: The baffle (16) is slidably connected to the inner wall of the groove (15) by a plug-in method.
6. The high-efficiency and energy-saving vacuum freeze dryer according to claim 1, characterized in that: The outer wall of the baffle (16) is provided with a groove for accommodating the second guide rail (7).