A vacuum drying device for primary processing of agricultural products

Abstract

The utility model discloses a vacuum drying device for primary processing of agricultural products, comprising a chassis, a heating rod fixedly connected to the bottom of the inner wall of the chassis, a vacuum pump connected to the top of the chassis, a limit frame fixedly connected to the right side of the inner wall of the chassis, a tooth frame slidably connected to the inside of the limit frame, and compression springs fixedly connected to the front and rear sides of the tooth frame. The utility model intermittently meshes with the top and bottom of the inner wall of the tooth frame when the semi-gear rotates, and the tooth frame is reset by the pressure of the compression spring, driving the tooth frame to translate back and forth inside the limit frame, driving the placement rack to translate back and forth and shake, thereby driving the agricultural products above it to shake and flip, thereby achieving the effect of continuously flipping the agricultural products when they are dried inside the drying box, making the agricultural products evenly heated, improving the drying effect, and avoiding the situation where the internal drying of the agricultural products is not thorough and affects the use of users.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural products, in particular to a vacuum drying device for primary processing of agricultural products. Background Art

[0002] Agricultural products refer to primary products derived from planting, forestry, animal husbandry and fishery, that is, plants, animals, microorganisms and their products obtained in agricultural activities, such as rice, sorghum, peanuts, corn, wheat and local specialties of various regions.

[0003] After searching, Chinese patent application No. 202020060936.4 discloses a vacuum drying device for primary processing of agricultural products, including a box body, a storage box and a vacuum pump, a storage box is fixedly installed on one side of the box body, and a vacuum pump is fixedly installed on the top of the storage box, the box body includes a drying box and a heating box, the drying box is arranged on the top of the heating box, a discharge port is arranged on one side of the storage box, the other end of the vacuum pump is fixedly connected to the top of the drying box through pipe 1, a heater is fixedly installed inside the heating box, an air inlet is fixedly installed on one side of the top of the box body, and the heating box is fixedly connected to the upper air outlet pipe and the lower air outlet pipe respectively through pipe 2, and grooves are symmetrically arranged on both sides of the top of the upper air outlet pipe and the lower air outlet pipe, and a mesh plate is installed in the groove through a protrusion. The vacuum drying box for primary processing of agricultural products uses a vacuum pump to evacuate the drying box to reduce the boiling point of water in the agricultural products, and uses steam to poison, preheat and dry the agricultural products. The water vapor extracted by the vacuum pump can be removed and reused. A mesh plate is arranged in the drying box to facilitate cleaning, replacement or maintenance of the mesh plate to avoid damage or pollution to the agricultural products. An air inlet is arranged on the top of the box to cool the agricultural products. The structure is simple, maintenance is convenient, and energy saving is achieved.

[0004] Although the above patent uses steam to poison, preheat and dry agricultural products, can remove impurities and reuse the water vapor extracted by the vacuum pump, and is provided with a mesh plate in the drying box, which is convenient for cleaning, replacement or maintenance of the mesh plate to avoid damage or pollution to the agricultural products, and an air inlet is provided on the top of the box body to cool the agricultural products. It has a simple structure, convenient maintenance and energy saving. However, it is not convenient to turn over the agricultural products inside the drying box in actual use. The agricultural products are piled together for drying, which easily leads to incomplete internal drying, uneven drying and the need for multiple dryings, which brings inconvenience to the user.

[0005] Therefore, it is necessary to modify it and continuously turn the agricultural products over while they are drying inside the drying box to ensure that the agricultural products are heated evenly, improve the drying effect, and avoid incomplete drying of the agricultural products, which affects the use of users. Utility Model Content

[0006] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide a vacuum drying device for the primary processing of agricultural products, which has the advantages of continuously turning the agricultural products while they are being dried inside a drying box, so that the agricultural products are heated evenly, improving the drying effect, and avoiding the situation where the internal drying of the agricultural products is not thorough, which affects the use of users. It solves the problem that it is inconvenient to turn the agricultural products inside the drying box, and the agricultural products are piled together for drying, which easily leads to incomplete internal drying, uneven drying, and the need for multiple dryings, which brings inconvenience to users.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a vacuum drying device for primary processing of agricultural products, comprising a chassis, a heating rod is fixedly connected to the bottom of the inner wall of the chassis, a vacuum pump is connected to the top of the chassis, a limit frame is fixedly connected to the right side of the inner wall of the chassis, a tooth frame is slidably connected to the inside of the limit frame, compression springs are fixedly connected to the front and rear sides of the tooth frame, one end of the compression spring away from the tooth frame is fixedly connected to the inner wall of the limit frame, a driving motor is fixedly connected to the right side of the chassis, an output end of the driving motor passes through the interior of the chassis and is fixedly connected to a half gear, the surface of the half gear is meshed with the inner wall of the gear frame, a right side plate is fixedly connected to the left side of the tooth frame, a placement rack is fixedly connected to the top and bottom of the left side of the right side plate, a left side of the placement rack is fixedly connected to the left side plate, and the left side of the left side plate is slidably connected to the left side of the inner wall of the chassis.

[0008] As a preferred embodiment of the present invention, the bottom of the heating rod is fixedly connected to a first heat insulation plate, the bottom of the heat insulation plate is fixedly connected to the bottom of the inner wall of the chassis, the interior of the chassis is fixedly connected to a heat conducting plate located above the heating rod, and the top of the heat conducting plate is fixedly connected to a number of evenly distributed heat conducting sheets.

[0009] As a preferred embodiment of the utility model, the surface of the compression spring is provided with a rubber sleeve, the front and rear ends of the rubber sleeve are respectively fixedly connected to the inner wall of the limit frame and the surface of the tooth frame, the end of the compression spring away from the tooth frame is fixedly connected to a buffer pad, the outer side of the buffer pad is fixedly connected to the inner wall of the limit frame, the left side of the tooth frame is fixedly connected to a second heat insulation plate, and the left side of the second heat insulation plate is fixedly connected to the right side of the right side plate.

[0010] As a preferred embodiment of the utility model, guard plates are fixedly connected to the four sides of the top of the placement rack, a plurality of evenly distributed through holes are opened on the surface of the guard plates, and a protective net is fixedly connected to the inside of the through holes.

[0011] As a preferred embodiment of the utility model, a cross bar is fixedly connected to the left side of the left side plate, a slider is fixedly connected to the left side of the cross bar, a slide groove for use with the slider is opened on the left side of the inner wall of the chassis, and the slider is slidably connected to the slide groove.

[0012] As a preferred embodiment of the utility model, a square groove is provided on the back of the chassis, a door is hinged inside the square groove via a hinge, sealing strips are fixedly connected on all sides of the door, and the surface of the sealing strips is in contact with the surface of the chassis.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model places the agricultural products to be dried on the top of the placement rack, and then starts the heating rod, the vacuum pump and the driving motor. The gas inside the chassis is extracted by starting the vacuum pump to make the inside vacuum, reduce the boiling point of water, and facilitate the evaporation of water inside the agricultural products. The temperature inside the chassis is increased by starting the heating rod to dry the agricultural products. The semi-gear is driven to rotate by starting the driving motor. When the semi-gear rotates, its surface is intermittently meshed with the top and bottom of the inner wall of the gear frame. At the same time, the gear frame is reset by the pressure of the compression spring, driving the gear frame to translate back and forth inside the limit frame. The right side plate is translated back and forth inside the chassis through the forward and backward translation of the gear frame. The placement rack is driven to translate back and forth and shake through the forward and backward translation of the right side plate, thereby driving the agricultural products above it to shake and flip, so as to achieve the effect of continuously turning the agricultural products when they are dried inside the drying box, so that the agricultural products are heated evenly, the drying effect is improved, and the incomplete drying of the internal part of the agricultural products is avoided, which affects the use of users.

[0015] 2. The utility model provides a first heat insulation board to insulate the bottom of the chassis, thereby preventing heat from being dissipated from the bottom of the chassis and causing waste. The heat dissipated by the heating rod is absorbed by the heat conductive plate and the heat conductive sheet so that it can be dissipated more concentratedly to the surface of the placement rack, thereby increasing the utilization rate of heat and improving the drying effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the back structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the right side cross-sectional structure of the utility model;

[0019] Figure 4 For this utility model Figure 3 Schematic diagram of the enlarged structure of A.

[0020] In the figure: 1. chassis; 2. heating rod; 3. vacuum pump; 4. limit frame; 5. gear frame; 6. compression spring; 7. drive motor; 8. half gear; 9. right side plate; 10. placement rack; 11. left side plate; 12. first heat insulation board; 13. heat conduction board; 14. heat conduction sheet; 15. rubber sleeve; 16. buffer pad; 17. second heat insulation board; 18. guard plate; 19. through hole; 20. protective net; 21. cross bar; 22. slider; 23. slide groove; 24. square groove; 25. warehouse door; 26. sealing strip. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] like Figures 1 to 4 As shown, the utility model provides a vacuum drying device for primary processing of agricultural products, comprising a chassis 1, a heating rod 2 is fixedly connected to the bottom of the inner wall of the chassis 1, a vacuum pump 3 is connected to the top of the chassis 1, a limit frame 4 is fixedly connected to the right side of the inner wall of the chassis 1, a tooth frame 5 is slidably connected to the inside of the limit frame 4, compression springs 6 are fixedly connected to the front and rear sides of the tooth frame 5, one end of the compression spring 6 away from the tooth frame 5 is fixedly connected to the inner wall of the limit frame 4, a driving motor 7 is fixedly connected to the right side of the chassis 1, an output end of the driving motor 7 passes through the interior of the chassis 1 and is fixedly connected to a half gear 8, the surface of the half gear 8 is meshed with the inner wall of the tooth frame 5, a right side plate 9 is fixedly connected to the left side of the tooth frame 5, a placement rack 10 is fixedly connected to the top and bottom of the left side of the right side plate 9, a left side plate 11 is fixedly connected to the left side of the placement rack 10, and the left side of the left side plate 11 is slidably connected to the left side of the inner wall of the chassis 1.

[0023] refer to Figure 1 A first heat insulating plate 12 is fixedly connected to the bottom of the heating rod 2, the bottom of the heat insulating plate is fixedly connected to the bottom of the inner wall of the chassis 1, a heat conducting plate 13 located above the heating rod 2 is fixedly connected to the inside of the chassis 1, and a plurality of evenly distributed heat conducting sheets 14 are fixedly connected to the top of the heat conducting plate 13.

[0024] As a technical optimization scheme of the utility model, by setting the first insulation board 12, the bottom of the chassis 1 is insulated to prevent heat from being dissipated from the bottom of the chassis 1 and causing waste. By setting the heat conducting plate 13 and the heat conducting sheet 14, the heat dissipated by the heating rod 2 is absorbed so that it can be dissipated more concentratedly to the surface of the placement rack 10, thereby increasing the utilization rate of heat and improving the drying effect.

[0025] refer to Figure 1 and Figure 4 A rubber sleeve 15 is sleeved on the surface of the compression spring 6, and the front and rear ends of the rubber sleeve 15 are respectively fixedly connected to the inner wall of the limit frame 4 and the surface of the tooth frame 5. The end of the compression spring 6 away from the tooth frame 5 is fixedly connected to a buffer pad 16, and the outer side of the buffer pad 16 is fixedly connected to the inner wall of the limit frame 4. A second heat insulation board 17 is fixedly connected to the left side of the tooth frame 5, and the left side of the second heat insulation board 17 is fixedly connected to the right side of the right side plate 9.

[0026] As a technical optimization scheme of the utility model, by providing a rubber sleeve 15, a protective effect is played on the compression spring 6, which prevents foreign matter from entering the interior of the compression spring 6, causing the compression spring 6 to fail to shrink normally and affect the movement of the tooth frame 5. By providing a buffer pad 16 and a second heat insulation plate 17, a protective effect is played on the tooth frame 5, which prevents the tooth frame 5 from being subjected to excessive impact and thermal expansion during use, resulting in deformation that affects normal use.

[0027] refer to Figure 1 A guard plate 18 is fixedly connected to the four sides of the top of the placement rack 10. A plurality of evenly distributed through holes 19 are opened on the surface of the guard plate 18. A protective net 20 is fixedly connected to the inside of the through holes 19.

[0028] As a technical optimization solution of the utility model, by setting the guard plate 18, the agricultural products on the placement rack 10 are protected, avoiding the agricultural products from falling when the placement rack 10 is shaken. By setting the through holes 19 and the protective net 20, the air permeability of the guard plate 18 is increased, and the drying speed of the agricultural products is improved.

[0029] refer to Figure 1 A cross bar 21 is fixedly connected to the left side of the left side plate 11, a slider 22 is fixedly connected to the left side of the cross bar 21, a slide groove 23 used in conjunction with the slider 22 is opened on the left side of the inner wall of the chassis 1, and the slider 22 is slidably connected to the slide groove 23.

[0030] As a technical optimization solution of the utility model, by setting the coordinated use of the cross bar 21, the slider 22 and the slide groove 23, a supporting effect is played on the left side of the placement rack 10, and at the same time a limiting effect is played, so that the placement rack 10 can only move forward and backward inside the chassis 1, avoiding the placement rack 10 from tilting during movement and affecting normal use.

[0031] refer to Figure 2 A square groove 24 is provided on the back of the chassis 1 , and a door 25 is hingedly connected to the interior of the square groove 24 by a hinge. A sealing strip 26 is fixedly connected to the door 25 on all sides, and the surface of the sealing strip 26 is in contact with the surface of the chassis 1 .

[0032] As a technical optimization solution of the utility model, by setting the square groove 24, the warehouse door 25 and the sealing strip 26, the user can quickly and conveniently access the crops by opening the warehouse door 25, and the gap between the warehouse door 25 and the chassis 1 is sealed by the sealing strip 26, thereby improving the sealing effect of the chassis 1, so that the vacuum state inside can be maintained.

[0033] The working principle and use process of the utility model are as follows: the agricultural products to be dried are placed above the placement rack 10, and then the heating rod 2, the vacuum pump 3 and the driving motor 7 are started. The gas inside the chassis 1 is extracted to make it vacuum by starting the vacuum pump 3, so as to reduce the boiling point of water and facilitate the evaporation of water inside the agricultural products. The temperature inside the chassis 1 is increased by starting the heating rod 2 to dry the agricultural products. The semi-gear 8 is driven to rotate by starting the driving motor 7. When the semi-gear 8 rotates, its surface is intermittently meshed with the top and bottom of the inner wall of the gear frame 5. At the same time, the gear frame 5 is reset by the pressure of the compression spring 6, driving the gear frame 5 to translate back and forth inside the limit frame 4. The right side plate 9 is driven to translate back and forth inside the chassis 1 by the forward and backward translation of the gear frame 5. The placement rack 10 is driven to translate back and forth to shake by the forward and backward translation of the right side plate 9, thereby driving the agricultural products above it to shake and flip, so as to achieve the effect of continuously turning the agricultural products when they are dried inside the drying box, making the agricultural products evenly heated, improving the drying effect, and avoiding the incomplete drying of the internal part of the agricultural products, which affects the use of users.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A vacuum drying device for primary processing of agricultural products, comprising a housing (1), characterized in that: The bottom of the inner wall of the chassis (1) is fixedly connected to a heating rod (2), the top of the chassis (1) is connected to a vacuum pump (3), the right side of the inner wall of the chassis (1) is fixedly connected to a limit frame (4), the interior of the limit frame (4) is slidably connected to a tooth frame (5), the front and rear sides of the tooth frame (5) are fixedly connected to compression springs (6), the end of the compression spring (6) away from the tooth frame (5) is fixedly connected to the inner wall of the limit frame (4), and the right side of the chassis (1) is fixedly connected to a drive motor (7). ), the output end of the driving motor (7) passes through the interior of the chassis (1) and is fixedly connected to a half gear (8), the surface of the half gear (8) meshes with the inner wall of the gear frame (5), the left side of the gear frame (5) is fixedly connected to a right side plate (9), the top and bottom of the left side of the right side plate (9) are fixedly connected to a placement rack (10), the left side of the placement rack (10) is fixedly connected to a left side plate (11), and the left side of the left side plate (11) is slidably connected to the left side of the inner wall of the chassis (1).

2. The vacuum drying device for primary processing of agricultural products according to claim 1, characterized in that: The bottom of the heating rod (2) is fixedly connected to a first heat insulation board (12), the bottom of the heat insulation board is fixedly connected to the bottom of the inner wall of the chassis (1), the interior of the chassis (1) is fixedly connected to a heat conduction board (13) located above the heating rod (2), and the top of the heat conduction board (13) is fixedly connected to a plurality of evenly distributed heat conduction sheets (14).

3. The vacuum drying device for primary processing of agricultural products according to claim 1, characterized in that: The surface of the compression spring (6) is sleeved with a rubber sleeve (15), and the front and rear ends of the rubber sleeve (15) are respectively fixedly connected to the inner wall of the limit frame (4) and the surface of the tooth frame (5); the end of the compression spring (6) away from the tooth frame (5) is fixedly connected to a buffer pad (16), and the outer side of the buffer pad (16) is fixedly connected to the inner wall of the limit frame (4); the left side of the tooth frame (5) is fixedly connected to a second heat insulation board (17), and the left side of the second heat insulation board (17) is fixedly connected to the right side of the right side board (9).

4. The vacuum drying device for primary processing of agricultural products according to claim 1, characterized in that: The top of the placement rack (10) is fixedly connected to a guard plate (18) on all four sides, a plurality of evenly distributed through holes (19) are formed on the surface of the guard plate (18), and a protective net (20) is fixedly connected inside the through holes (19).

5. The vacuum drying device for primary processing of agricultural products according to claim 1, characterized in that: The left side of the left side plate (11) is fixedly connected to a cross bar (21), the left side of the cross bar (21) is fixedly connected to a sliding block (22), the left side of the inner wall of the chassis (1) is provided with a sliding groove (23) for use with the sliding block (22), and the sliding block (22) is slidably connected to the sliding groove (23).

6. The vacuum drying device for primary processing of agricultural products according to claim 1, characterized in that: A square groove (24) is provided on the back of the chassis (1), a door (25) is hingedly connected to the interior of the square groove (24) via hinges, and sealing strips (26) are fixedly connected to the sides of the door (25), and the surface of the sealing strip (26) is in contact with the surface of the chassis (1).

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