Continuous drying machine for dehydrated vegetables

Abstract

The invention relates to the technical field of vegetable drying machinery, and discloses a dehydrated vegetable continuous drying machine which comprises a mesh belt conveyor and a drying cover, the drying cover is installed on the mesh belt conveyor, a receiving plate is arranged at the bottom of a mesh belt of the mesh belt conveyor, and a cleaning mechanism is arranged at the position, located at the bottom of the drying cover, of the mesh belt conveyor. Dehydrated vegetables are dried in the mode that the mesh belt conveyor is matched with the drying cover, crushed vegetable materials generated in the drying process can leak down from a mesh belt, and the crushed vegetable materials are received and collected through a material receiving plate; the scraping plate is adopted to scrape the crushed vegetable materials on the receiving plate, and the scraping structure and the conveyor operate synchronously, so that the crushed vegetable materials smoothly fall into the bottom collecting structure; a rotating piece which synchronously operates is arranged in a material leaking hole of the material scraping plate, and smooth falling of the crushed vegetable materials is guaranteed under the cooperation of the rotating piece and a scraping mechanism; and the rotating brush is adopted to brush the surface of the mesh belt, so that materials attached to the mesh belt effectively fall on the material receiving plate.

Description

Technical Field

[0001] The invention relates to the technical field of vegetable drying machinery, and in particular to a continuous drying machine for dehydrated vegetables. Background Art

[0002] In order to make fresh vegetables easy to store, preserve and transport, they are dehydrated. The dehydrated vegetables can be restored by immersing them in clean water, retaining their original color, nutrition and flavor. Dehydrated vegetables need to be continuously dried during the production process.

[0003] The prior art discloses a continuous dehydrated vegetable dryer (Announcement No. CN101690607B). The invention adopts a method of heating, cooling, heating, and cooling again to form a temperature gradient with temperature fluctuations, and fully utilizes the temperature gradient as a drying power to increase the drying speed, which is beneficial to improving the drying quality of the finished product. However, the application still has the following problems in actual use: a large amount of vegetable fragments will be generated during the drying process of dehydrated vegetables, especially some smaller vegetable fragments attached to the surface of the dehydrated vegetables are difficult to remove. Summary of the invention

[0004] The purpose of the present invention is to provide a technical solution, using a receiving plate to pick up the blanks conveyed by the mesh belt, and using a cleaning mechanism to clean the receiving plate and the mesh belt structure at the same time, so as to solve the problems in the prior art raised in the above background technology.

[0005] To achieve the above object, the present invention adopts the following technical solutions:

[0006] A continuous drying machine for dehydrated vegetables, comprising:

[0007] Mesh belt conveyor and drying hood;

[0008] The drying hood is installed on the mesh belt conveyor, and a receiving plate is provided at the bottom of the mesh belt of the mesh belt conveyor. The drying hood is used to dry the vegetable raw materials conveyed by the mesh belt conveyor, and the receiving plate is used to collect the vegetable fragments dropped from the mesh belt;

[0009] The mesh belt conveyor is provided with a cleaning mechanism at the bottom of the drying hood, and the cleaning mechanism includes two groups of reciprocating scraper plates, one group of scraper plates is used to scrape the vegetable fragments that fall into the middle of the mesh belt to the receiving plate, and the other group of scraper plates is used to scrape the upper surface of the receiving plate to make the vegetable fragments fall into the collection box at the bottom.

[0010] Preferably, the mesh belt conveyor includes a driving gear, and a first reciprocating screw and a second reciprocating screw are installed inside the frame of the mesh belt conveyor. The first reciprocating screw and the second reciprocating screw respectively drive two groups of scraper plates to move back and forth, and the first reciprocating screw and the second reciprocating screw are simultaneously driven to rotate by the driving gear to realize the synchronous operation of the mesh belt conveyor and the cleaning mechanism.

[0011] Preferably, a drying fan is installed on the drying hood, and the drying fan is provided with two groups of drying air outlets, and the two groups of drying air outlets dry and blow the vegetable raw materials on the mesh belt from the top and the side of the mesh belt respectively.

[0012] Preferably, a gear seat is installed inside the mesh belt conveyor, and a supporting gear is installed through the gear seat, and the supporting gear supports the mesh belt.

[0013] Preferably, the two groups of reciprocating scraper plates are divided into a first scraper plate and a second scraper plate, the bottom of the first scraper plate is attached to the upper surface of the receiving plate, the second scraper plate is located inside the mesh belt of the mesh belt conveyor, and the bottom of the second scraper plate is attached to the upper surface of the mesh belt conveyor.

[0014] Preferably, a rotating brush is rotatably mounted on the upper portion of the first scraper plate, and the rotating brush brushes and cleans the bottom of the mesh belt as the first scraper plate reciprocates.

[0015] Preferably, a positioning slide bar is installed inside the frame of the mesh belt conveyor, and connecting blocks are fixedly connected to both ends of the scraper plate. A threaded hole for cooperating with the reciprocating screw rod is provided on the connecting block at one end, and a sliding hole for cooperating with the positioning slide bar is provided on the connecting block at the other end; the reciprocating motion range of the first scraper plate is greater than the reciprocating motion range of the second scraper plate to ensure that the first scraper plate can scrape the vegetable fragments scraped off the mesh belt by the second scraper plate.

[0016] Preferably, a plurality of groups of leakage holes are provided on the receiving plate, and when the scraper plate scrapes the receiving plate back and forth, vegetable fragments fall from the leakage holes to the collection box; a rotating part is installed inside the leakage hole, and the rotating part guides and crushes the vegetable fragments at the leakage hole, thereby realizing rapid material discharge and preventing the vegetable fragments from being blocked at the leakage hole.

[0017] Preferably, the rotating member comprises a rotating frame, a cleaning brush and a crushing blade are arranged on the rotating frame, transmission gears are installed at both ends of the rotating frame through a rotating shaft, and the transmission gears are driven to rotate by a driving gear to realize synchronous operation of the rotating member.

[0018] Preferably, a frame is provided at the bottom of the mesh belt conveyor, the collecting box is installed on the frame, a collecting hopper is provided at the bottom of the receiving plate, and the receiving plate is connected to the collecting box through the collecting hopper.

[0019] Technical effects and advantages of the present invention: Compared with the prior art, the present invention provides a continuous dehydrated vegetable dryer with the following advantages:

[0020] 1. The present invention uses a mesh belt conveyor in combination with a drying hood to dry the dehydrated vegetables. Vegetable fragments generated during the drying process will leak from the mesh belt, and a receiving plate is used to collect the vegetable fragments.

[0021] 2. The present invention adopts a scraper plate to scrape the vegetable scraps on the docking plate, and the scraping structure and the conveyor operate synchronously to make the vegetable scraps fall smoothly to the bottom collection structure; the leakage hole of the scraper plate is provided with a synchronously operating rotating part, which cooperates with the scraping mechanism to ensure the smooth falling of the vegetable scraps;

[0022] 3. Vegetable scraps will be partially stuck or attached to the conveyor belt. Use a scraper plate to scrape the surface of the belt and a rotating brush to brush the surface of the belt so that the material attached to the belt falls effectively onto the receiving plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional structural schematic diagram of the continuous dryer of the present invention;

[0024] Figure 2 It is a front plan view structural schematic diagram of the continuous dryer of the present invention;

[0025] Figure 3 For the present invention Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0026] Figure 4 For the present invention Figure 2 A schematic diagram of the enlarged structure at B in the middle;

[0027] Figure 5 This is one of the structural schematic diagrams of the cleaning mechanism of the present invention;

[0028] Figure 6 For the present invention Figure 7 Schematic diagram of the enlarged structure at C in the middle;

[0029] Figure 7 This is the second structural schematic diagram of the cleaning mechanism of the present invention;

[0030] Figure 8 For the present invention Figure 8 Schematic diagram of the enlarged structure at D in the middle;

[0031] Fig. 9 It is a side structural schematic diagram of the material receiving plate and two sets of scraper plates of the present invention.

[0032] In the figure:

[0033] 11. Frame; 12. Mesh belt conveyor; 13. Drying hood; 14. Drying fan; 15. Collecting box; 16. Collecting hopper; 17. Transmission gear; 18. Material receiving plate; 19. Material leakage hole; 110. Rotating part; 111. Rotating frame; 112. Cleaning brush; 113. Crushing blade; 121. Driving gear; 122. Supporting gear; 123. Gear seat;

[0034] 2. Cleaning mechanism; 21. First scraper plate; 22. Second scraper plate; 23. First reciprocating screw rod; 24. Positioning slide rod; 25. Connecting block; 26. Threaded hole; 27. Second reciprocating screw rod; 28. Rotating brush. DETAILED DESCRIPTION

[0035] The subject matter described herein will now be discussed with reference to example implementations. It should be understood that the discussion of these implementations is only to enable those skilled in the art to better understand and implement the subject matter described herein, and the functions and arrangements of the elements discussed may be changed without departing from the scope of protection of the contents of this specification. Various examples may omit, replace, or add various processes or components as needed. In addition, the features described in some examples may also be combined in other examples.

[0036] The invention provides Figure 1-Figure 9 As shown, a continuous drying machine for dehydrated vegetables comprises:

[0037] Mesh belt conveyor 12 and drying hood 13;

[0038] The drying hood 13 is installed on the mesh belt conveyor 12. A receiving plate 18 is provided at the bottom of the mesh belt of the mesh belt conveyor 12. The drying hood 13 is used to dry the vegetable raw materials conveyed by the mesh belt conveyor 12. The receiving plate 18 is used to collect the vegetable fragments dropped from the mesh belt.

[0039] The mesh belt conveyor 12 is provided with a cleaning mechanism 2 at the bottom of the drying hood 13, and the cleaning mechanism 2 includes two groups of reciprocating scraper plates, one group of scraper plates is used to scrape the vegetable fragments that fall into the middle of the mesh belt to the receiving plate 18, and the other group of scraper plates is used to scrape the upper surface of the receiving plate 18 to make the vegetable fragments fall into the collection box 15 at the bottom.

[0040] Working principle: Continuous drying and conveying, dehydrated vegetables are continuously conveyed through the mesh belt conveyor 12, and the drying hood 13 is installed on the mesh belt conveyor 12 to continuously dry the vegetable raw materials being conveyed; vegetable scraps are collected, and a receiving plate 18 is provided at the bottom of the mesh belt of the mesh belt conveyor 12 to collect the vegetable scraps that fall from the mesh belt; the cleaning mechanism 2 is in operation, and the bottom of the mesh belt conveyor 12 is equipped with a cleaning mechanism 2, which includes two sets of reciprocating scraping plates. The function of one set of scraping plates is to scrape the vegetable scraps that fall from the middle of the mesh belt onto the receiving plate 18; the other set of scraping plates scrapes the vegetable scraps on the receiving plate 18 to make them fall further into the collection box 15 at the bottom;

[0041] Improve drying efficiency: the drying hood 13 is directly installed on the mesh belt conveyor 12 to ensure that the vegetable raw materials are continuously dried during the transportation process, thereby improving the drying efficiency; effective debris collection: through the design of the receiving plate 18, the vegetable debris dropped from the mesh belt can be effectively collected and centrally processed to avoid the debris from scattering and keep the working environment clean; automated cleaning: the two groups of scraper plates of the cleaning mechanism 2 automatically reciprocate to reduce the need for manual cleaning, reduce labor intensity, and improve cleaning efficiency and the degree of automation of the entire system; prevent debris accumulation: through the coordinated work of the two groups of scraper plates, vegetable debris can be prevented from accumulating on the receiving plate 18, ensuring that the vegetable debris can fall into the collection box 15 in time to avoid blockage or handling difficulties caused by debris accumulation; easy maintenance: the design of the cleaning mechanism 2 makes the maintenance and cleaning of the equipment easier, which helps to reduce the maintenance cost of the equipment and extend the service life of the equipment.

[0042] like Figure 5 and Figure 6 As shown, in order to achieve the synchronous operation of the conveyor and the cleaning mechanism 2 to ensure that the residual materials generated during the conveying and drying process can be continuously cleaned, the mesh belt conveyor 12 includes a driving gear 121, and the first reciprocating screw 23 and the second reciprocating screw 27 are installed inside the frame of the mesh belt conveyor 12. The first reciprocating screw 23 and the second reciprocating screw 27 respectively drive two groups of scraper plates to reciprocate, and the first reciprocating screw 23 and the second reciprocating screw 27 are simultaneously driven to rotate by the driving gear 121 to achieve the synchronous operation of the mesh belt conveyor 12 and the cleaning mechanism 2.

[0043] Specifically, Figure 2 As shown, a drying fan 14 is installed on the drying cover 13, and the drying fan 14 is provided with two sets of drying air outlets, and the two sets of drying air outlets dry and blow the vegetable raw materials on the mesh belt from the top and side of the mesh belt respectively. Figure 2 and Figure 3As shown, a gear seat 123 is installed inside the mesh belt conveyor 12 and a supporting gear 122 is installed through the gear seat 123, and the supporting gear 122 supports the mesh belt.

[0044] like Figures 2 to 4 As shown, two groups of reciprocating scraper plates act on the receiving plate and the mesh belt structure respectively. The two groups of reciprocating scraper plates are divided into a first scraper plate 21 and a second scraper plate 22. The bottom of the first scraper plate 21 is attached to the upper surface of the receiving plate 18, and the second scraper plate 22 is located inside the mesh belt of the mesh belt conveyor 12, and the bottom of the second scraper plate 22 is attached to the inner upper surface of the mesh belt conveyor 12. Figure 4 As shown, in order to clean the mesh belt structure more comprehensively, a rotating brush 28 is rotatably installed on the upper part of the first scraper plate 21, and the rotating brush 28 brushes and cleans the bottom of the mesh belt as the first scraper plate 21 reciprocates.

[0045] like Figure 7 and Fig. 9 As shown, a positioning slide bar 24 is installed inside the frame of the mesh belt conveyor 12, and connecting blocks 25 are fixedly connected to both ends of the scraper plate. A threaded hole 26 for cooperating with a reciprocating screw rod is opened on the connecting block 25 at one end, and a sliding hole for cooperating with the positioning slide bar 24 is opened on the connecting block 25 at the other end; Fig. 9 As shown, the reciprocating motion range of the first scraper plate 21 is greater than the reciprocating motion range of the second scraper plate 22, so as to ensure that the first scraper plate 21 can scrape the vegetable fragments scraped off the mesh belt by the second scraper plate 22.

[0046] like Figure 5 and Figure 8 As shown, the receiving plate 18 is provided with a plurality of leakage holes 19, and when the scraper plate scrapes the receiving plate 18 back and forth, the vegetable fragments fall from the leakage holes 19 to the collecting box 15; a rotating member 110 is installed inside the leakage hole 19, and the rotating member 110 guides and crushes the vegetable fragments at the leakage hole 19, so as to achieve rapid feeding and prevent the vegetable fragments from being blocked at the leakage hole 19. Specifically, the rotating member 110 includes a rotating frame 111, on which a cleaning brush 112 and a crushing blade 113 are arranged, and transmission gears 17 are installed at both ends of the rotating frame 111 through a rotating shaft, and the transmission gear 17 is driven to rotate by a driving gear 121 to achieve synchronous operation of the rotating member 110. Specifically, a frame 11 is provided at the bottom of the mesh belt conveyor 12 , the collecting box 15 is installed on the frame 11 , a collecting hopper 16 is provided at the bottom of the receiving plate 18 , and the receiving plate 18 is connected to the collecting box 15 through the collecting hopper 16 .

[0047] The present invention also has the following comprehensive effects: mesh belt conveying and drying, the dehydrated vegetables are conveyed by the mesh belt conveyor 12, and are dried by the drying hood 13 installed above, and the hot air from the drying fan 14 is used to dry the vegetables from the top and side of the mesh belt; vegetable fragments are collected, and a receiving plate 18 is provided at the bottom of the mesh belt conveyor 12 for collecting vegetable fragments that fall from the mesh belt; the cleaning mechanism 2 is in operation, and the cleaning mechanism 2 at the bottom of the mesh belt conveyor 12 is equipped with two sets of reciprocating scraping plates, one set scrapes the vegetable fragments in the middle of the mesh belt to the receiving plate 18, and the other set scrapes the fragments on the receiving plate 18 to make them fall to the collecting plate Box 15; synchronous drive system, the driving gear 121 of the mesh belt conveyor 12 simultaneously drives the first reciprocating screw 23 and the second reciprocating screw 27 to realize the reciprocating movement of the scraper plate and the synchronous operation of the mesh belt conveyor 12; the rotating brush 28 is cleaned, and the rotating brush 28 is installed on the upper part of the first scraper plate 21. With the reciprocating movement of the scraper plate, the bottom of the mesh belt is brushed and cleaned to remove the attached vegetable fragments; the leakage hole 19 and the rotating member 110 are diverted, and the leakage hole 19 on the receiving plate 18 is internally installed with a rotating member 110, including a cleaning brush 112 and a crushing blade 113, which are used to divert and crush the vegetable fragments to prevent the leakage hole 19 from being blocked;

[0048] Improve cleaning efficiency. Through the setting of the scraper plate and the rotating brush 28, the vegetable fragments on the mesh belt can be effectively removed, the mesh belt and the drying environment can be kept clean, and the drying efficiency can be improved; reduce manual intervention. The automated cleaning mechanism 2 reduces the need for manual cleaning, reduces labor intensity, and improves production efficiency; prevents blockage. The rotating member 110 in the leakage hole 19 can effectively prevent the vegetable fragments from clogging at the leakage hole 19, ensuring that the vegetable fragments fall smoothly into the collection box 15; synchronized operation. The reciprocating motion of the scraper plate and the rotating brush 28 is synchronized with the mesh belt conveyor 12, which improves the cleaning efficiency and ensures that the vegetable fragments fall smoothly into the collection structure; simple maintenance. The design of the cleaning mechanism 2 makes maintenance and cleaning work easier, reducing the maintenance cost and time of the equipment; improve the quality of the finished product. Through effective cleaning and fragment collection, the contamination of the finished product by vegetable fragments is reduced, and the quality of the finished product of the dehydrated vegetables is improved.

[0049] The above describes an embodiment of the present invention, but this embodiment is not limited to the above specific implementation methods. The above specific implementation methods are merely illustrative and not restrictive. Under the guidance of this embodiment, ordinary technicians in this field can also make many forms, all of which are protected by this embodiment.

Claims

1. A continuous drying machine for dehydrated vegetables, characterized in that: include: A mesh belt conveyor (12) and a drying hood (13); The drying hood (13) is installed on the mesh belt conveyor (12); a receiving plate (18) is provided at the bottom of the mesh belt of the mesh belt conveyor (12); the drying hood (13) is used to dry the vegetable raw materials conveyed by the mesh belt conveyor (12); and the receiving plate (18) is used to collect vegetable scraps dropped from the mesh belt; The mesh belt conveyor (12) is provided with a cleaning mechanism (2) at the bottom of the drying hood (13), and the cleaning mechanism (2) comprises two sets of reciprocating scraping plates, one set of which is used to scrape vegetable fragments that fall into the middle of the mesh belt onto the receiving plate (18), and the other set of which is used to scrape the upper surface of the receiving plate (18) so that the vegetable fragments fall into the collection box (15) at the bottom.

2. A continuous dehydrated vegetable drying machine according to claim 1, characterized in that: The mesh belt conveyor (12) comprises a driving gear (121), and a first reciprocating screw rod (23) and a second reciprocating screw rod (27) are installed inside the frame of the mesh belt conveyor (12), and the first reciprocating screw rod (23) and the second reciprocating screw rod (27) respectively drive two groups of scraper plates to reciprocate, and the first reciprocating screw rod (23) and the second reciprocating screw rod (27) are simultaneously driven to rotate by the driving gear (121) to realize synchronous operation of the mesh belt conveyor (12) and the cleaning mechanism (2).

3. A continuous dehydrated vegetable drying machine according to claim 2, characterized in that: The drying hood (13) is provided with a drying fan (14), and the drying fan (14) is provided with two groups of drying air outlets, and the two groups of drying air outlets dry and blow the vegetable raw materials on the mesh belt from above and the side of the mesh belt respectively.

4. The continuous dehydrated vegetable drying machine according to claim 1, characterized in that: A gear seat (123) is installed inside the mesh belt conveyor (12), and a support gear (122) is installed through the gear seat (123), wherein the support gear (122) supports the mesh belt.

5. The continuous dehydrated vegetable drying machine according to claim 2, characterized in that: The two groups of reciprocating scraper plates are divided into a first scraper plate (21) and a second scraper plate (22), wherein the bottom of the first scraper plate (21) is in contact with the upper surface of the receiving plate (18), and the second scraper plate (22) is located inside the mesh belt of the mesh belt conveyor (12), and the bottom of the second scraper plate (22) is in contact with the upper surface inside the mesh belt conveyor (12).

6. A continuous dehydrated vegetable drying machine according to claim 5, characterized in that: A rotating brush (28) is rotatably mounted on the upper portion of the first scraper plate (21), and the rotating brush (28) brushes and cleans the bottom of the mesh belt as the first scraper plate (21) reciprocates.

7. The continuous dehydrated vegetable drying machine according to claim 5, characterized in that: A positioning slide bar (24) is installed inside the frame of the mesh belt conveyor (12); connecting blocks (25) are fixedly connected to both ends of the scraper plate; a threaded hole (26) for cooperating with a reciprocating screw rod is provided on the connecting block (25) at one end; and a sliding hole for cooperating with the positioning slide bar (24) is provided on the connecting block (25) at the other end; the reciprocating motion range of the first scraper plate (21) is greater than the reciprocating motion range of the second scraper plate (22), so as to ensure that the first scraper plate (21) can scrape the vegetable scraps scraped off the mesh belt by the second scraper plate (22).

8. The continuous dehydrated vegetable drying machine according to claim 4, characterized in that: The receiving plate (18) is provided with a plurality of groups of leakage holes (19), and when the scraper plate reciprocates to scrape the receiving plate (18), vegetable fragments fall from the leakage holes (19) to the collection box (15); a rotating member (110) is installed inside the leakage holes (19), and the rotating member (110) guides and crushes the vegetable fragments at the leakage holes (19), thereby achieving rapid material discharge and preventing the vegetable fragments from being blocked at the leakage holes (19).

9. The continuous dehydrated vegetable drying machine according to claim 8, characterized in that: The rotating member (110) comprises a rotating frame (111), on which a cleaning brush (112) and a crushing blade (113) are arranged, and transmission gears (17) are mounted on both ends of the rotating frame (111) via rotating shafts, and the transmission gears (17) are driven to rotate by a driving gear (121) to achieve synchronous operation of the rotating member (110).

10. The continuous dehydrated vegetable drying machine according to claim 1, characterized in that: A frame (11) is provided at the bottom of the mesh belt conveyor (12), the collecting box (15) is mounted on the frame (11), a collecting hopper (16) is provided at the bottom of the material receiving plate (18), and the material receiving plate (18) is connected to the collecting box (15) via the collecting hopper (16).

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