Uniform icing of preserved fruit

Abstract

The utility model discloses candied fruit surface icing uniform spraying equipment, including spraying bin and sieve plate. Advantageous effect: the utility model discloses sieve plate, vibrating motor and electric dry powder spraying machine have been used, when candied fruit surface icing is sprayed, candied fruit can be put into spraying bin through feed inlet, candied fruit falls to sieve plate top surface, vibrating motor drives sieve plate to vibrate, drives candied fruit to vibrate and turn over, simultaneously, electric dry powder spraying machine sends icing powder to powder delivery pipe, sprays through powder spraying head, sprays on the candied fruit surface in turning, candied fruit turns over constantly in the process of rolling down along sieve plate, icing spraying is more uniform, simultaneously, in the process of candied fruit vibration and turning over, the icing powder on the surface also can be vibrated and fallen, avoids the problem that icing is too thick, further improves icing spraying uniformity, and the icing that is too much passes sieve plate and enters recycling box, and the secondary use is convenient to collect.

Description

Technical Field

[0001] This utility model relates to the field of dried fruit processing technology, and more specifically, to a device for uniformly spraying sugar frosting onto the surface of dried fruit. Background Technology

[0002] Preserved fruit is a food made from fresh fruit through main processes such as peeling, pitting, boiling in sugar water, soaking, drying, and packaging. It is bright and transparent, with a dry surface, slightly sticky, and a moisture content of less than 20%. There are many types of preserved fruit, with famous traditional products including apple preserves, tamarind preserves, apricot preserves, pear preserves, peach preserves, Taiping fruit preserves, green plums, hawthorn slices, and fruit leather.

[0003] Some dried fruits have a sour taste, and to improve the flavor, they are often sprayed with sugar icing to give them a balanced sweet and sour taste and enhance their competitiveness. A search revealed application number CN202121926834.7, entitled "A Sugar Icing Spraying Device for Dried Fruit Production." This application addresses existing sugar icing spraying methods that rely on manual spraying and mixing of the sugar icing with the dried fruit. Some spraying equipment simply mixes the dried fruit by stirring, wasting significant manpower and reducing efficiency. The proposed method uses a sugar icing storage tank, a powder conveying pump, a first conduit, a second conduit, and nozzles to spray the sugar icing, while a stirring device agitates the dried fruit, and a vibration device further agitates the fruit and sugar icing. While this method offers advantages such as more uniform application, reduced manpower requirements, and improved efficiency in mixing dried fruit and icing, the current application uses a stirring device for uniform icing spraying. This requires workers to add a certain amount of material to the material hopper before stirring and spraying, followed by unloading after spraying, and then proceeding to the next batch. Simultaneous feeding, spraying, stirring, and unloading inevitably leads to uneven spraying. Therefore, this method can only perform intermittent stirring and spraying, affecting production continuity and work efficiency. Furthermore, during stirring, the icing on some ingredients can become too thick, resulting in an overly sweet taste and impacting product stability. Further improvements are needed. Excess icing also requires subsequent sieving and separation, adding to the process and affecting work efficiency and ease of use.

[0004] There are currently no effective solutions to the problems in the relevant technologies. Utility Model Content

[0005] (a) Technical problems to be solved To address the shortcomings of existing technologies, this utility model provides a device for uniformly spraying sugar frosting onto the surface of dried fruit, which has the advantages of improved work efficiency and ease of use, thereby solving the problems mentioned in the background technology.

[0006] (II) Technical Solution To achieve the aforementioned advantages of improved work efficiency and ease of use, the specific technical solution adopted by this utility model is as follows: A device for uniformly spraying sugar frosting onto the surface of dried fruit includes a spraying chamber and a sieve plate. The spraying chamber has an inlet at one end of its top surface and an outlet at the other end. A bottom opening is located on the bottom surface of the spraying chamber. A support plate is fixedly installed on the inner wall of the spraying chamber, and the sieve plate is connected to the top surface of the support plate via a support spring. A vibrating motor is fixedly installed on the bottom surface of the sieve plate. A recycling box is fixedly installed below the bottom opening on the bottom surface of the spraying chamber. An electric dry powder spraying machine is mounted behind the spraying chamber, and a powder conveying pipe is connected to the output end of the electric dry powder spraying machine. A distribution pipe is connected to the surface of the powder conveying pipe, and a spray pipe is connected to the surface of the distribution pipe. The spray pipe penetrates the top surface of the spraying chamber and extends above the sieve plate, with a powder spraying head connected to the other end of the spray pipe.

[0007] Furthermore, the screen plate is arranged obliquely, and one end of the screen plate passes through the discharge port.

[0008] Furthermore, a discharge box is fixedly connected to the outer side of the discharge port at the other end of the spraying chamber, and a collection hopper is connected through the bottom surface of the discharge box. A bottom airlock unloader is fixedly connected through the bottom opening of the collection hopper, and a top airlock unloader is fixedly installed at the top opening of the inlet on the top surface of the spraying chamber.

[0009] Furthermore, multiple sets of support springs are arranged, and the two ends of the support springs are fixedly connected to the bottom surface of the sieve plate and the top surface of the support plate, respectively.

[0010] Furthermore, the sieve plate has densely and uniformly opened sieve holes on its surface, and the sieve hole diameter is smaller than the minimum particle size of the dried fruit.

[0011] Furthermore, the diverter is arranged in multiple sets, and the nozzle is arranged in multiple sets at equal intervals along the length of the diverter.

[0012] Furthermore, a feeding hopper is fixedly installed at the top opening of the top airlock unloader.

[0013] Furthermore, the recycling bin has a hinged door on its front facade.

[0014] (III) Beneficial Effects Compared with the prior art, this utility model provides a device for uniformly spraying sugar frosting onto the surface of dried fruit, which has the following beneficial effects: (1) This utility model adopts a sieve plate, a vibrating motor and an electric dry powder sprayer. When spraying sugar frosting on the surface of dried fruit, the dried fruit can be put into the spraying chamber through the feed port. The dried fruit falls onto the top surface of the sieve plate. The vibrating motor drives the sieve plate to vibrate, causing the dried fruit to vibrate and turn over. At the same time, the electric dry powder sprayer transports the sugar frosting powder to the powder conveying pipe and sprays it out through the spray nozzle onto the surface of the turning dried fruit. As the dried fruit rolls down the sieve plate, it turns over continuously, making the sugar frosting spray more uniform. At the same time, during the process of the dried fruit vibrating and turning over, the excess sugar frosting powder on the surface can also be shaken off, avoiding the problem of excessive sugar frosting and further improving the uniformity of sugar frosting spray. The excess sugar frosting passes through the sieve plate and enters the recycling box for easy collection and reuse. Compared with the traditional stirring spraying, this device can continuously spray dried fruit, with higher work efficiency, avoiding the problem of excessive sugar frosting, and has a simpler structure. It eliminates the need for later sieving of sugar frosting powder and dried fruit, and the sugar frosting powder is easy to recycle, improving the convenience of use.

[0015] (2) This utility model adopts a top airlock unloader and a bottom airlock unloader. When feeding, the dried fruit enters the spraying chamber through the top airlock unloader. When discharging, the dried fruit enters the discharge box along the screen plate and enters the bottom airlock unloader through the collection hopper. The top airlock unloader and the bottom airlock unloader perform airlock unloading, which avoids the problem of sugar powder escaping and the problem of sugar powder drifting into the environment with the airflow, which facilitates clean production. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the internal structure of the fruit preserve surface sugar frosting uniform spraying device proposed in this utility model; Figure 2 This is a front view of the fruit preserve surface sugar frosting uniform spraying device proposed in this utility model; Figure 3 This is a rear view of the equipment for uniformly spraying sugar frosting onto the surface of dried fruit proposed in this utility model; Figure 4 This is a schematic diagram of the external structure of the fruit preserve surface sugar frosting uniform spraying device proposed in this utility model.

[0018] In the picture: 1. Spraying bin; 2. Screen plate; 3. Vibrating motor; 4. Support plate; 5. Support spring; 6. Recycling bin; 7. Bottom opening; 8. Electric dry powder spraying machine; 9. Powder conveying pipe; 10. Diverter pipe; 11. Spray pipe; 12. Powder spraying head; 13. Feed inlet; 14. Top airlock unloader; 15. Discharge box; 16. Discharge port; 17. Collection hopper; 18. Bottom airlock unloader. Detailed Implementation

[0019] To further illustrate the various embodiments, the present invention provides accompanying drawings, which are part of the disclosure of the present invention. These drawings are mainly used to illustrate the embodiments and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, those skilled in the art should be able to understand other possible implementation methods and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0020] According to an embodiment of the present invention, a device for uniformly spraying sugar frosting onto the surface of dried fruit is provided.

[0021] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments. Please refer to them. Figure 1 and Figure 3 The fruit coating equipment according to an embodiment of the present invention includes a coating chamber 1 and a sieve plate 2. The coating chamber 1 is welded from stainless steel and has a rectangular structure. One end of the top surface has an inlet 13 located above the sieve plate 2, facilitating accurate falling of the fruit onto the sieve plate 2. The other end of the coating chamber 1 has an outlet 16 for discharging the coated fruit. The bottom surface of the coating chamber 1 has a bottom opening 7, and the bottom surface of the coating chamber 1 has a funnel-shaped structure with a smooth, polished inner wall to reduce sugar powder residue and facilitate the collection of sugar powder into a collection box.

[0022] A support plate 4 is welded and fixedly installed on the inner wall of the spraying chamber 1. The support plate 4 is a horizontally arranged stainless steel plate, and a support spring 5 is welded and fixedly connected to the top surface of the support plate 4. The other end of the support spring 5 is welded and fixedly fixed to the bottom surface of the sieve plate 2. A vibration motor 3 is bolted and fixedly installed on the bottom surface of the sieve plate 2. The vibration motor 3 is an eccentric block vibration motor with an adjustable vibration frequency. A protective cover is installed on the outside of the vibration motor 3. The protective cover is a stainless steel cover to protect the vibration motor 3 and prevent the sugar powder from entering the vibration motor 3 and affecting its normal operation.

[0023] Below the bottom opening 7, a recycling box 6 is bolted to the bottom surface of the spraying chamber 1 to collect excess icing powder. An electric dry powder sprayer 8 is mounted behind the spraying chamber 1. This is a common high-pressure spraying device that facilitates even spraying of the icing. The output end of the electric dry powder sprayer 8 is connected to a powder conveying pipe 9 via a flange. The powder conveying pipe 9 is a wear-resistant flexible hose, and a branch pipe 10 is connected to its surface via a tee connector. The branch pipe 10 is a metal pipe, and a spray nozzle 11 is connected to its surface via a flange. The spray nozzle 11 is a rigid metal pipe that penetrates the top surface of the spraying chamber 1 and extends above the sieve plate 2. The other end of the spray nozzle 11 is threaded to a powder spraying head 12, which is a fan-shaped nozzle to expand the spraying range.

[0024] When applying sugar icing to the surface of the dried fruit, the dried fruit can be fed into the spraying chamber 1 through the feed inlet 13. The dried fruit falls onto the top surface of the sieve plate 2. The vibration motor 3 is started, and the vibration motor 3 drives the sieve plate 2 to vibrate under the action of the support spring 5. The dried fruit continuously vibrates and turns over on the sieve plate 2. At the same time, the electric dry powder spraying machine 8 is started to transport the sugar icing powder to the powder conveying pipe 9. After passing through the diversion pipe 10 and the spray pipe 11, it is sprayed out from the spraying head 12 and evenly sprayed on the surface of the turning dried fruit.

[0025] The candied fruit rolls down the sieve plate 2 under vibration, constantly turning over during the rolling process, ensuring that the sugar icing evenly covers all surfaces of the candied fruit, resulting in a more uniform coating. Simultaneously, the vibration and turning process also shakes off excess sugar icing powder, preventing the icing from becoming too thick and further improving the uniformity of the coating.

[0026] Excess icing powder passes through the sieve holes of sieve plate 2 and falls onto the funnel-shaped structure at the bottom of spray chamber 1. It then flows along the bottom opening 7 into the recycling bin 6 for easy collection and reuse, saving raw materials. Compared to traditional stirring spraying, this device can continuously spray fruit preserves without batch processing, resulting in higher work efficiency. It also avoids the problem of excessively thick icing, has a simpler structure, eliminates the need for subsequent sieving of icing powder and fruit preserves, and facilitates icing powder recovery, improving ease of use.

[0027] Please refer to Figure 1 The sieve plate 2 is arranged at an angle of 10°-15°, which facilitates the automatic rolling of the dried fruit under vibration and gravity. One end of the sieve plate 2 passes through the discharge port 16. The height of the discharge port 16 is greater than the thickness of the sieve plate 2, which provides vibration space for the sieve plate 2, making it easy for the sieve plate 2 to vibrate and for the dried fruit to roll out. One end of the sieve plate 2 extends into the discharge box 15 to ensure that the dried fruit can smoothly enter the discharge box 15.

[0028] Please refer to Figure 1 and Figure 2A discharge box 15 is welded and fixedly connected to the other end of the spraying chamber 1 on the outside of the discharge port 16. The discharge box 15 is a cuboid structure, and a collection hopper 17 is welded and connected through the bottom surface of the discharge box 15. The collection hopper 17 is funnel-shaped to facilitate the collection of dried fruit. A bottom airlock unloader 18 is fixedly connected through the bottom opening 7 of the collection hopper 17 by a flange. The bottom airlock unloader 18 is a star-shaped unloader. A top airlock unloader 14 is fixedly installed on the top surface of the spraying chamber 1 by bolts. The top airlock unloader 14 is also a star-shaped unloader.

[0029] During feeding, the dried fruit enters the spraying chamber 1 through the top airlock unloader 14, which also acts as a seal while conveying the dried fruit. When discharging, the dried fruit enters the discharge box 15 along the screen plate 2, and then enters the bottom airlock unloader 18 through the collection hopper 17. The top airlock unloader 14 and the bottom airlock unloader 18 perform airlock unloading, effectively preventing the sugar powder in the spraying chamber 1 from escaping into the external environment with the airflow. This avoids the problem of sugar powder drifting into the environment with the airflow, facilitates clean production, and reduces the health impact on operators.

[0030] Please refer to Figure 1 Multiple sets of support springs 5 ​​are arranged and evenly distributed along the length of the support plate 4. The two ends of the support springs 5 ​​are welded and fixed to the bottom surface of the screen plate 2 and the top surface of the support plate 4, respectively. The support springs 5 ​​have a suitable elastic coefficient, which ensures effective support for the screen plate 2 without affecting the normal vibration of the screen plate 2. They also play the role of supporting and connecting the screen plate 2, making the vibration of the screen plate 2 more stable.

[0031] Please refer to Figure 1 The sieve plate 2 has dense and uniform sieve holes on its surface. The sieve holes are circular and the diameter of the sieve holes is smaller than the minimum particle size of the dried fruit, ensuring that the dried fruit will not pass through the sieve holes. At the same time, it can ensure that excess sugar powder can pass smoothly through the sieve holes into the recycling box 6, ensuring the passability of sugar powder.

[0032] Please refer to Figure 1 and Figure 4 Multiple sets of diversion pipes 10 are arranged along the length of powder conveying pipe 9 to improve the diversion effect of sugar frosting. Multiple sets of spray pipes 11 are arranged at equal intervals along the length of diversion pipes 10 so that the spraying area can fully cover the fruit preserves on the sieve plate 2, improve the uniformity of spraying, and ensure that each fruit preserve can be sprayed evenly.

[0033] Please refer to Figure 1 and Figure 4 The top of the top airlock unloader 14 is fixed with a feeding hopper by bolts. The feeding hopper is funnel-shaped, which makes it convenient to put the dried fruit into the spraying chamber 1, thus improving the convenience of feeding.

[0034] Please refer to Figure 1 and Figure 4 The recycling bin 6 has a door hinged to its front facade, and a handle is installed on the surface of the door to facilitate opening the recycling bin 6 and cleaning and recycling the collected icing powder, thus improving the convenience of use.

[0035] Working principle: When applying sugar coating to the surface of the dried fruit, first check whether all equipment is working properly, and ensure that the recycling bin 6 is in place and that the sugar coating powder has been loaded into the electric dry powder sprayer 8.

[0036] Start the vibration motor 3 to make the sieve plate 2 vibrate. At the same time, start the electric dry powder sprayer 8. The sugar powder is sprayed out from the spray head 12 through the powder conveying pipe 9, the diversion pipe 10, and the spray pipe 11 to form a uniform powder mist.

[0037] Pour the dried fruit into the feeding hopper of the top airlock unloader 14. The top airlock unloader 14 is opened, and the dried fruit falls into the top surface of the screen plate 2 through the feed port 13. Under the vibration of the screen plate 2, the dried fruit rolls continuously and moves downward along the inclined screen plate 2.

[0038] As the fruit moves, it passes through the powder mist area sprayed by the powder spraying head 12. The sugar powder adheres evenly to the surface of the fruit. Excess sugar powder falls off the surface of the fruit under vibration, passes through the sieve holes of the sieve plate 2 and falls into the funnel-shaped structure at the bottom of the spraying chamber 1, and enters the recycling box 6 through the bottom opening 7 for collection.

[0039] The coated fruit preserves continue to move along the screen plate 2, enter the discharge box 15 through the discharge port 16, and then fall into the collection hopper 17. They are then discharged through the bottom airlock unloader 18 for further processing or packaging.

[0040] When the icing powder in the recycling bin 6 accumulates to a certain amount, turn off the equipment, open the door of the recycling bin 6, and take out the collected icing powder, which can be reused in the electric dry powder spraying machine 8.

[0041] This equipment uses vibration to tumble the dried fruit and combines multiple powder spraying heads to spray sugar frosting, achieving uniform spraying of sugar frosting on the surface of the dried fruit. At the same time, it recovers excess sugar frosting, improving the utilization rate of raw materials. It can operate continuously, has high work efficiency, and is suitable for large-scale production.

[0042] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0043] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A device for uniformly spraying sugar frosting onto the surface of dried fruit, characterized in that, The spraying chamber includes a spraying bin (1) and a sieve plate (2). One end of the top surface of the spraying bin (1) has an inlet (13), and the other end has an outlet (16). The bottom surface of the spraying bin (1) has a bottom opening (7). A support plate (4) is fixedly installed on the inner wall of the spraying bin (1). The top surface of the support plate (4) is connected to the sieve plate (2) via a support spring (5). A vibration motor (3) is fixedly installed on the bottom surface of the sieve plate (2). The bottom opening (7) is located below the spraying bin (1). 1) A recycling bin (6) is fixedly installed on the bottom surface. An electric dry powder spraying machine (8) is installed behind the spraying chamber (1). The output end of the electric dry powder spraying machine (8) is connected to a powder conveying pipe (9). A diversion pipe (10) is connected to the surface of the powder conveying pipe (9). A spray pipe (11) is connected to the surface of the diversion pipe (10). The spray pipe (11) penetrates the top surface of the spraying chamber (1) and extends above the sieve plate (2). A powder spraying head (12) is connected to the other end of the spray pipe (11).

2. The fruit preserve surface sugar frosting uniform spraying equipment according to claim 1, characterized in that, The sieve plate (2) is arranged obliquely, and one end of the sieve plate (2) passes through the discharge port (16).

3. The fruit preserve surface sugar frosting uniform spraying equipment according to claim 1, characterized in that, The discharge port (16) is fixedly connected to the discharge box (15) at the other end of the spraying chamber (1), and the bottom surface of the discharge box (15) is connected to the collection hopper (17), and the bottom opening (7) of the collection hopper (17) is fixedly connected to the bottom airlock unloader (18). The top opening of the inlet (13) is fixedly installed on the top surface of the spraying chamber (1) with a top airlock unloader (14).

4. The fruit preserve surface sugar frosting uniform spraying equipment according to claim 1, characterized in that, The support springs (5) are arranged in multiple sets, and the two ends of the support springs (5) are fixedly connected to the bottom surface of the sieve plate (2) and the top surface of the support plate (4), respectively.

5. The fruit preserve surface sugar frosting uniform spraying equipment according to claim 1, characterized in that, The sieve plate (2) has dense and uniform sieve holes on its surface, and the sieve hole diameter is smaller than the minimum particle size of the dried fruit.

6. The fruit preserve surface sugar frosting uniform spraying equipment according to claim 1, characterized in that, The diverter pipe (10) is arranged in multiple sets, and the nozzle (11) is arranged in multiple sets at equal intervals along the length of the diverter pipe (10).

7. The fruit preserve surface sugar frosting uniform spraying equipment according to claim 3, characterized in that, The top opening of the top airlock unloader (14) is fixedly equipped with a feeding hopper.

8. The fruit preserve surface sugar frosting uniform spraying equipment according to claim 1, characterized in that, The recycling bin (6) has a hinged door on its front facade.

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