Anti-unfreezing conveying device for quick-frozen food production and use method of anti-unfreezing conveying device

Abstract

The invention relates to the technical field of quick-frozen food production devices, and discloses an anti-unfreezing conveying device for quick-frozen food production and a using method thereof.The anti-unfreezing conveying device comprises two supporting frames and a conveying assembly arranged between the two supporting frames, a rectangular plate is fixedly connected between the two supporting frames, and the anti-unfreezing conveying device further comprises a conveying part and a conveying part, the conveying part is mounted on the two supporting frames; the number of the cleaning parts is multiple, and the multiple cleaning parts are arranged between the two conveying assemblies in a linear array mode; and the number of the ice breaking parts is multiple, and the multiple ice breaking parts are arranged on the multiple cleaning parts correspondingly. According to the anti-unfreezing conveying device, by arranging the ice breaking part, the problems that in the using process of an existing anti-unfreezing conveying device, ice blocks attached to the surface of a conveying belt are inconvenient to clean, the surface of the conveying belt is prone to being uneven, the conveying stability of quick-frozen food is affected, the food is collided and damaged, and then the running stability of equipment is affected are solved.

Description

Technical Field

[0001] This invention relates to the field of frozen food production equipment technology, specifically to an anti-thawing conveying device for frozen food production and its usage method. Background Technology

[0002] With the rapid expansion of the frozen food industry, frozen foods have seen a continuous increase in market demand due to their convenience and freshness. In the production line of frozen foods, the anti-thawing conveyor device, as the core equipment connecting the freezing machine and the packaging machine, is responsible for the transfer and transportation of frozen foods. Its operational stability and anti-thawing effect directly determine the final quality of frozen foods. Therefore, high-performance anti-thawing conveyor devices for frozen food production are needed to ensure the smoothness of the production process and product quality.

[0003] However, existing anti-thawing conveyor devices are not easy to clean the ice adhering to the surface of the conveyor belt during use, which can easily lead to unevenness on the surface of the conveyor belt, affecting the stability of the transport of frozen food, causing food to be bumped and damaged, and thus affecting the stability of equipment operation. Summary of the Invention

[0004] The purpose of this invention is to provide an anti-thawing conveying device for the production of frozen foods and its usage method. By setting up an ice-breaking section, the invention solves the problem that existing anti-thawing conveying devices are not easy to clean ice adhering to the surface of the conveyor belt during use, which easily leads to unevenness of the conveyor belt surface, affects the stability of the frozen food conveying, causes food to be bumped and broken, and thus affects the stability of equipment operation.

[0005] To solve the above-mentioned technical problems, the present invention is achieved through the following technical solution: This invention relates to an anti-thawing conveying device and its method of use for the production of quick-frozen foods. It includes two support frames and a conveying assembly disposed between the two support frames. A rectangular plate is fixedly connected between the two support frames. The device further includes: a conveying section mounted on the two support frames; a cleaning section, comprising a plurality of cleaning sections arranged in a linear array between the two conveying assemblies; an ice-breaking section, comprising a plurality of ice-breaking sections disposed on top of the cleaning sections; and a confluence section, comprising a plurality of confluence sections disposed between the two support frames. The ice-breaking section includes an ice-breaking assembly mounted on... On a rectangular plate; a transmission assembly is mounted on the rectangular plate; the ice-breaking assembly includes two slide rods fixedly connected to the top of the rectangular plate, the tops of the two slide rods being fixedly connected to the inner top walls of two support frames respectively, and support plates slidably connected to the outer walls of the two slide rods. Ice-breaking springs are fitted onto the outer walls of both slide rods, the tops of both ice-breaking springs being fixedly connected to support plates, and the bottoms of both ice-breaking springs being fixedly connected to the rectangular plate. An ice-breaking component is provided on the top of support plate two; both ice-breaking springs are in a certain compressed state, and the ice-breaking component includes an impact block fixedly connected to the top of support plate two; the impact block is in close contact with the bottom of the conveying assembly.

[0006] Furthermore, the conveying unit includes an insulation cover fixedly connected to the top of the two conveying components. A connecting pipe is provided on the top of the insulation cover, and a collection box is provided between the two support frames. The side of the connecting pipe away from the insulation cover is connected to the refrigeration unit.

[0007] Furthermore, the cleaning unit includes a compensation component installed between two support frames; and a cleaning component disposed below the conveying component.

[0008] Furthermore, the confluence section includes an inclined confluence channel formed on the top of the rectangular plate, the outer wall of the rectangular plate has several inclined surfaces, and the bottom of the rectangular plate is connected to a water outlet pipe; the lowest surface of the several inclined surfaces is inclined toward the inclined confluence channel, and the water outlet pipe is connected to the lowest point of the inclined confluence channel.

[0009] Furthermore, the compensation component includes two rectangular supports fixedly connected to the top of the rectangular plate. A hinge rod slides through each of the two rectangular supports. A spring plate is hinged between the two hinge rods. A compensation spring is sleeved on the outer wall of each of the two hinge rods. The sides of the two compensation springs that are close to each other are fixedly connected to the hinge rods, and the sides of the two compensation springs that are far apart from each other are fixedly connected to the two rectangular supports.

[0010] Furthermore, the cleaning assembly includes two guide rods fixedly connected to the top of the rectangular plate. The tops of the two guide rods are respectively fixedly connected to the inner top walls of the two support frames. Support plates are slidably connected to the outer walls of the two guide rods. Cleaning scrapers are fixedly connected to the tops of the two support plates. The bottom of the cleaning scraper is fixedly connected to a spring sheet. The top of the cleaning scraper is in close contact with the bottom of the conveying assembly.

[0011] Furthermore, the transmission assembly includes a rectangular support plate fixedly connected to the top of the rectangular plate, a transmission rod fixedly connected to the bottom of the support plate, a pressing rod slidably passing through the rectangular support plate, a limit plate fixedly connected to the outer wall of the pressing rod, and an elastic element provided on the pressing rod; a triangular groove is provided on the side of the transmission rod near the pressing rod, and the side of the pressing rod near the transmission rod is an inclined surface; the elastic element includes a return spring sleeved on the outer wall of the pressing rod, the left side of the return spring is fixedly connected to the rectangular support plate, and the right side of the return spring is fixedly connected to the limit plate; a driving rod is fixedly connected to the bottom of the support plate, and the pressing rod is adapted to the driving rod; the side of the pressing rod near the driving rod is triangular, the bottom of the driving rod near the pressing rod is an inclined surface, and several triangular grooves are provided on the driving rod.

[0012] The present invention has the following beneficial effects: (1) By setting up an ice-breaking part, when the support plate moves downward, it drives the drive rod to move downward. The drive rod squeezes the squeezing rod to the left through the inclined surface. The squeezing rod drives the limiting plate to squeeze the reset spring to deform it. At the same time, the inclined surface of the squeezing rod and the transmission rod cooperates to make the transmission rod move downward. The transmission rod drives the impact block to move downward through the support plate and squeezes the ice-breaking spring to deform it. When the drive rod is aligned with the triangular groove, the reset spring releases force to drive the squeezing rod to reset. The ice-breaking spring releases force to push the impact block to hit the bottom of the conveying component to generate vibration to break the ice. The larger the ice block, the greater the distance the drive rod descends. The impact block continues to break the ice. When the support plate drives the drive rod to reset, the impact block will hit the conveying component again. It works with the cleaning scraper to complete the cleaning operation, clean the frost and ice on the surface of the conveying component, and prevent the surface of the conveyor belt from becoming uneven due to the adhesion of ice, thus ensuring the stability of the frozen food conveying. (2) By setting up a cleaning section, when frost and ice blocks adhere to the outer wall of the conveying component during long-term conveying, the cleaning scraper on the support plate can come into close contact with the conveying component to scrape off the frost under the elastic force of the compensation spring and the spring sheet. When the cleaning scraper is squeezed by the ice block, it will push the support plate to slide along the guide rod and squeeze the spring sheet to deform and generate elastic force. The spring sheet will push the two hinged rods that are hinged to move away from each other. The hinged rods will simultaneously squeeze the compensation spring to deform and generate elastic force, thereby buffering the squeezing force of the ice block on the cleaning scraper, realizing the effective scraping of frost on the outer wall of the conveying component, avoiding damage to the cleaning scraper due to squeezing, and ensuring the long-term stable use of the cleaning structure.

[0013] Of course, any product implementing this invention does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0014] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a partial structural schematic diagram of the support frame of the present invention; Figure 3 This is a partial structural diagram of the cleaning part of the present invention; Figure 4 For the present invention Figure 3 A magnified structural diagram of A in the middle; Figure 5 This is a partial cross-sectional view of the ice-breaking section of the present invention; Figure 6 For the present invention Figure 5 A magnified structural diagram of B in the diagram; Figure 7 This is a partial structural schematic diagram of the transmission component of the present invention; Figure 8 This is a partial structural diagram of the busbar of the present invention.

[0016] The attached diagram lists the components represented by each number as follows: In the diagram: 1. Conveying section; 111. Support frame; 112. Conveying assembly; 113. Insulation cover; 114. Connecting pipe; 115. Collection box; 2. Cleaning section; 21. Compensation assembly; 211. Rectangular plate; 212. Rectangular bracket; 213. Hinge rod; 214. Spring plate; 215. Compensating spring; 22. Cleaning assembly; 221. Guide rod; 222. Support plate one; 223. Cleaning scraper; 3. Ice breaking section; 31. Ice breaking assembly; 311. Slide rod; 312. Support plate two; 313. Ice breaking spring; 314. Impact block; 32. Transmission assembly; 321. Rectangular support plate; 322. Transmission rod; 323. Extrusion rod; 324. Limiting plate; 325. Reset spring; 326. Drive rod; 4. Merging section; 411. Inclined merging channel; 412. Inclined surface; 413. Water outlet pipe. Detailed Implementation

[0017] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0018] Please see Figures 1-8 As shown, the present invention is an anti-thawing conveying device and its usage method for quick-frozen food production, comprising two support frames 111 and a conveying assembly 112 disposed between the two support frames 111. A rectangular plate 211 is fixedly connected between the two support frames 111. The device also includes: a conveying section 1 mounted on the two support frames 111; a cleaning section 2, of which several cleaning sections 2 are arranged in a linear array between the two conveying assemblies 112; an ice-breaking section 3, of which several ice-breaking sections 3 are respectively disposed on several cleaning sections 2; and a confluence section 4, of which several confluence sections 4 are disposed between the two support frames 111. The conveying section 1 includes a heat-insulating cover 113 fixedly connected to the top of the two conveying assemblies 112. A connecting pipe 114 is connected to the top of the heat-insulating cover 113. A collection box 115 is disposed between the two support frames 111. The side of the connecting pipe 114 away from the heat-insulating cover 113 is connected to a refrigeration unit.

[0019] The cleaning unit 2 includes a compensation assembly 21, which is installed between two support frames 111; and a cleaning assembly 22, which is located below the conveying assembly 112. The compensation assembly 21 includes two rectangular brackets 212 fixedly connected to the top of the rectangular plate 211. A hinge rod 213 slides through each of the two rectangular brackets 212. A spring plate 214 is hinged between the two hinge rods 213. A compensation spring 215 is sleeved on the outer wall of each of the two hinge rods 213. The sides of the two compensation springs 215 that are close to each other are fixedly connected to the hinge rods 213, and the sides of the two compensation springs 215 that are far apart from each other are fixedly connected to the two rectangular brackets 212. The cleaning assembly 22 is fixedly connected to two guide rods 221 fixedly connected to the top of the rectangular plate 211. The tops of the two guide rods 221 are fixedly connected to the inner top walls of the two support frames 111 respectively. Support plates 222 are slidably connected to the outer walls of the two guide rods 221. A cleaning scraper 223 is fixedly connected to the top of the two support plates 222. The bottom of the cleaning scraper 223 is fixedly connected to a spring plate 214. The top of the cleaning scraper 223 is in close contact with the bottom of the conveying assembly 112. By setting the cleaning part 2, the frost on the outer wall of the conveying assembly is effectively scraped off, avoiding damage to the cleaning scraper 223 due to compression, and ensuring the long-term stable use of the cleaning structure.

[0020] The ice-breaking section 3 includes an ice-breaking assembly 31 mounted on a rectangular plate 211; and a transmission assembly 32 mounted on the rectangular plate 211. The ice-breaking assembly 31 includes two sliding rods 311 fixedly connected to the top of the rectangular plate 211. The tops of the two sliding rods 311 are respectively fixedly connected to the inner top walls of two support frames 111. Support plates 312 are slidably connected to the outer walls of the two sliding rods 311. Ice-breaking springs 313 are sleeved on the outer walls of both sliding rods 311. All parts are fixedly connected to the support plate 312. The bottoms of the two ice-breaking springs 313 are fixedly connected to the rectangular plate 211. An ice-breaking component is provided on the top of the support plate 312. Both ice-breaking springs 313 are in a certain compressed state. The ice-breaking component includes an impact block 314 fixedly connected to the top of the support plate 312. The impact block 314 is in close contact with the bottom of the conveying assembly 112. The transmission assembly 32 includes a rectangular support plate 321 fixedly connected to the top of the rectangular plate 211. The bottom of the support plate 312 is fixedly connected to... A transmission rod 322 is provided, and a pressing rod 323 slides through a rectangular support plate 321. A limit plate 324 is fixedly connected to the outer wall of the pressing rod 323, and an elastic element is provided on the pressing rod 323. A triangular groove is opened on the side of the transmission rod 322 near the pressing rod 323, and the side of the pressing rod 323 near the transmission rod 322 is an inclined surface. The elastic element includes a return spring 325 sleeved on the outer wall of the pressing rod 323. The left side of the return spring 325 is fixedly connected to the rectangular support plate 321, and the right side of the return spring 325 is fixedly connected to the limit plate 324. The position plate 324 is fixedly connected, and the bottom of the support plate 222 is fixedly connected to the drive rod 326. The extrusion rod 323 is adapted to the drive rod 326. The side of the extrusion rod 323 near the drive rod 326 is triangular, and the bottom of the side of the drive rod 326 near the extrusion rod 323 is inclined. Several triangular grooves are provided on the drive rod 326. By setting the ice breaking part 3, the frost and ice blocks on the surface of the conveyor assembly 112 are cleaned, so as to avoid the surface of the conveyor belt becoming uneven due to the adhesion of ice blocks and ensure the stability of the conveying of frozen food.

[0021] The confluence section 4 includes an inclined confluence channel 411 opened on the top of the rectangular plate 211. The outer wall of the rectangular plate 211 is provided with several inclined surfaces 412. The bottom of the rectangular plate 211 is connected to a water outlet pipe 413. The lowest surface of the several inclined surfaces 412 is inclined towards the inclined confluence channel 411. The water outlet pipe 413 is connected to the lowest point of the inclined confluence channel 411. By setting up the confluence section 4, the inside of the equipment is kept clean, the amount of cleaning work is reduced, and the continuous operation of the device is improved.

[0022] It should be noted that the control of the conveying component 112 in this application can be achieved by using a program set in the control panel and inputting relevant parameters as needed for automated control. This control method can be implemented using existing technologies, such as PLC.

[0023] When in use, start the external refrigeration unit. The air from the refrigeration unit enters the insulation cover 113 through the connecting pipe 114, keeping the insulation cover 113 in a refrigerated state. Then, start the conveying component 112 to convey the frozen food in an anti-thawing manner. During long-term conveying, frost and ice will adhere to the outer wall of the conveying component 112. At this time, under the action of the elastic force of the compensating spring 215 and the spring plate 214, the cleaning scraper 223 on the support plate 222 is pushed to come into close contact with the conveying component 112, thereby scraping off the frost. When the cleaning scraper 223 comes into contact with the ice, the scraper 223 is squeezed by the ice, which pushes the support plate 222 to slide on the two guide rods 221. The support plate 222 squeezes the spring plate 214, causing the spring plate 214 to deform and generate elastic force. Since the spring plate 214 is hinged to the two hinge rods 213, and the two hinge rods 213 are slidably connected to the two rectangular supports 212, the spring plate 214 pushes the two hinge rods 213 away from each other. During this process, the hinge rods 213 squeeze the compensating spring 215, causing it to deform and generate elastic force, ensuring that the cleaning scraper 223 will not be damaged by the ice. As the support plate 222 moves downward, it drives the drive rod 326 downward. The drive rod 326 presses the compression rod 323 with its inclined surface, causing the compression rod 323 to move to the left. At this time, the compression rod 323 drives the limiting plate 324 to press the return spring 325, causing the return spring 325 to deform and generate elastic force. Under the action of the inclined surface of the compression rod 323 and the inclined surface of the transmission rod 322, the transmission rod 322 is moved downward. Since the transmission rod 322 is fixedly connected to the support plate 312 and the support plate 312 is slidably connected to the two sliding rods 311, the transmission rod 322 drives the impact block 314 downward through the support plate 312. At this time, the support plate 312 presses the ice-breaking spring 313, causing the ice-breaking spring 313 to deform and generate elastic force. When the drive rod 326 and the triangular groove on the drive rod 326... When aligned, the pressure on the return spring 325 disappears, releasing the elastic force. The elastic force is always applied to the limiting plate 324. The limiting plate 324 drives the pressing rod 323 to reset, releasing the pressure on the transmission rod 322. The pressure on the ice-breaking spring 313 disappears, releasing the elastic force. The elastic force acts on the second support plate 312. The second support plate 312 pushes the impact block 314 to impact the bottom of the conveying assembly 112, causing the bottom of the conveying assembly 112 to vibrate and break the ice on the conveying assembly 112. When the ice is large, the driving rod 326 descends a greater distance. Under the action of the driving rod 326, the impact block 314 continuously breaks the ice on the conveying assembly 112. When the first support plate 222 drives the driving rod 326 to reset, the conveying assembly 112 is struck again in the same way as above, and cooperates with the cleaning scraper 223 to improve the cleaning effect of the conveying assembly 112. The falling ice and frost will land on the rectangular plate 211 and in the collection box 115. The ice and frost on the rectangular plate 211 will gradually melt into water. At this time, the water flows into the inclined confluence channel 411 through the inclined surface 412. Under the action of the inclined confluence channel 411, the water flows towards the outlet pipe 413 and flows into the collection box 115 for collection.

[0024] The preferred embodiments of the present invention disclosed above are merely illustrative of the invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the invention to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the invention, thereby enabling those skilled in the art to better understand and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A thawing-preventing conveying device for quick-frozen food production, comprising two support frames (111) and a conveying assembly (112) arranged between the two support frames (111), and a rectangular plate (211) fixedly connected between the two support frames (111), characterized in that, Also include: The conveying part (1) is installed on two support frames (111); The cleaning part (2) is provided with a plurality of linear array settings between two conveying assemblies (112); The ice breaking part (3) is provided with a plurality of ice breaking parts (3), which are respectively arranged on a plurality of cleaning parts (2); The confluence part (4) is provided with a plurality of confluence parts (4) arranged between two support frames (111); The ice breaking part (3) includes an ice breaking assembly (31) installed on a rectangular plate (211); and The transmission assembly (32) is arranged on the rectangular plate (211); The ice breaking assembly (31) includes two slide rods (311) fixedly connected to the top of the rectangular plate (211), the top of the two slide rods (311) is fixedly connected to the inner wall of the top of the two support frames (111), the outer wall of the two slide rods (311) is slidably connected with a support plate two (312), the outer wall of the two slide rods (311) is sleeved with an ice breaking spring (313), the top of the two ice breaking springs (313) is fixedly connected with the support plate two (312), the bottom of the two ice breaking springs (313) is fixedly connected with the rectangular plate (211), the top of the support plate two (312) is provided with an ice breaking part; Wherein, two ice breaking springs (313) are in a certain compression state.

2. A de-frosting conveyor for the production of quick-frozen food products according to claim 1, characterized in that, The conveying part (1) includes a heat preservation cover (113) fixedly connected to the top of the two conveying assemblies (112), the top of the heat preservation cover (113) is communicated with a communication pipe (114), and the two support frames (111) are provided with a collecting box (115); Wherein, the side of the communication pipe (114) away from the heat preservation cover (113) is communicated with the refrigerating machine.

3. A de-frosting conveyor for use in the production of quick-frozen food products as claimed in claim 1, characterized in that The cleaning part (2) includes a compensation assembly (21) installed between the two support frames (111); And The cleaning assembly (22) is arranged below the conveying assembly (112).

4. A de-frosting conveyor for use in the production of quick-frozen food products as defined in claim 1, characterized in that The confluence part (4) includes an inclined confluence groove (411) opened in the top of the rectangular plate (211), the outer wall of the rectangular plate (211) is provided with a plurality of inclined surfaces (412), and the bottom of the rectangular plate (211) is communicated with a water outlet pipe (413); Wherein, the lowest side of the plurality of inclined surfaces (412) is inclined to the inclined confluence groove (411), and the water outlet pipe (413) is communicated with the lowest part of the inclined confluence groove (411).

5. A de-frosting conveyor for use in the production of quick-frozen food products as claimed in claim 3, characterized in that The compensation assembly (21) comprises two rectangular supports (212) fixedly connected at the top of the rectangular plate (211), a hinged rod (213) slidingly penetrating through the two rectangular supports (212), a spring plate (214) hingedly arranged between the two hinged rods (213), and compensation springs (215) sleeved on the outer walls of the two hinged rods (213), and the two compensation springs (215) are fixedly connected with the hinged rods (213) on the sides close to each other and are fixedly connected with the two rectangular supports (212) on the sides away from each other.

6. A de-frosting conveyor for use in the production of quick-frozen food products as defined in claim 3, characterized in that The cleaning assembly (22) comprises two guide rods (221) fixedly connected at the top of the rectangular plate (211), the top inner walls of the two guide rods (221) are fixedly connected with the top of the two support frames (111), support plates (222) are slidingly connected with the outer walls of the two guide rods (221), cleaning scrapers (223) are fixedly connected at the top of the two support plates (222), and the bottom of the cleaning scraper (223) is fixedly connected with the spring plate (214). The top of the cleaning scraper (223) is in close contact with the bottom of the conveying assembly (112).

7. A de-frosting conveyor for use in the production of quick-frozen food products as defined in claim 1, characterized in that The transmission assembly (32) comprises a rectangular support plate (321) fixedly connected at the top of the rectangular plate (211), a transmission rod (322) fixedly connected at the bottom of the support plate (312), and an extrusion rod (323) slidingly penetrating through the rectangular support plate (321), wherein the outer wall of the extrusion rod (323) is fixedly connected with a limiting plate (324), and the extrusion rod (323) is provided with an elastic member. The side of the transmission rod (322) close to the extrusion rod (323) is provided with a triangular groove, and the side of the extrusion rod (323) close to the transmission rod (322) is an inclined surface.

8. A de-frosting conveyor for use in the production of quick-frozen food products as defined in claim 1, characterized in that The ice breaking member comprises an impact block (314) fixedly connected at the top of the support plate (312). The impact block (314) is in close contact with the bottom of the conveying assembly (112).

9. A de-frosting conveyor for use in the production of quick-frozen food products as defined in claim 7, characterized in that The elastic member comprises a reset spring (325) sleeved on the outer wall of the extrusion rod (323), the left side of the reset spring (325) is fixedly connected with the rectangular support plate (321), the right side of the reset spring (325) is fixedly connected with the limiting plate (324), the bottom of the support plate (222) is fixedly connected with a driving rod (326), and the extrusion rod (323) is matched with the driving rod (326). The side of the extrusion rod (323) close to the driving rod (326) is triangular, the bottom of the side of the driving rod (326) close to the extrusion rod (323) is an inclined surface, and a plurality of triangular grooves are formed in the driving rod (326).

10. A method of using a freeze-thaw protection conveyor for the production of quick-frozen food products, as claimed in claim 9, characterized in that, The method comprises the following steps: S1: when in use, start the external refrigeration machine, the wind of the refrigeration machine enters the heat preservation cover (113) through the communication pipe (114), so that the heat preservation cover (113) maintains a refrigeration state, and then the conveying assembly (112) is started to prevent thawing and convey the quick-frozen food; S2: In the long conveying process, ice and ice block will be attached to the outer wall of the conveying assembly (112), at this time, under the action of the elastic force of the compensation spring (215) and the elastic force of the spring sheet (214), the cleaning scraper (223) on the support plate one (222) is pushed to tightly contact with the conveying assembly (112), so as to scrape off the ice; when the cleaning scraper (223) contacts with the ice block, the cleaning scraper (223) is extruded by the ice block, the support plate one (222) is pushed to slide on the two guide rods (221), the support plate one (222) extrudes the spring sheet (214), the spring sheet (214) is deformed and generates elastic force, since the spring sheet (214) is hinged with the two hinge rods (213), and the two hinge rods (213) are slidingly connected with the two rectangular supports (212), the spring sheet (214) pushes the two hinge rods (213) to move away from each other, in this process, the hinge rod (213) extrudes the compensation spring (215), is deformed and generates elastic force, so that the cleaning scraper (223) will not be damaged by the extrusion of the ice block;In the process that the supporting plate one (222) moves downward, the supporting plate one (222) drives the driving rod (326) to move downward, the driving rod (326) extrudes the extruding rod (323) through the inclined surface, the extruding rod (323) moves to the left side, at this time, the extruding rod (323) extrudes the limiting plate (324) to the reset spring (325), the reset spring (325) is deformed and generates elastic force, under the action of the inclined surface of the extruding rod (323) and the inclined surface of the transmission rod (322), the transmission rod (322) moves downward, because the transmission rod (322) is fixedly connected with the supporting plate two (312), and the supporting plate two (312) is slidably connected with the two sliding rods (311), therefore the transmission rod (322) drives the impact block (314) to move downward through the supporting plate two (312), at this time, the supporting plate two (312) extrudes the ice breaking spring (313), the ice breaking spring (313) is deformed and generates elastic force, when the driving rod (326) is aligned with the triangular groove on the driving rod (326), the extrusion force of the reset spring (325) disappears, the elastic force is released, the elastic force is totally used on the limiting plate (324), the limiting plate (324) drives the extruding rod (323) to reset, the extrusion of the transmission rod (322) is released, the extrusion force of the ice breaking spring (313) disappears, the elastic force is released, the elastic force is used on the supporting plate two (312), the supporting plate two (312) drives the impact block (314) to impact the bottom of the conveying assembly (112), the bottom of the conveying assembly (112) is vibrated, the ice on the conveying assembly (112) is broken, when the ice is larger, the distance that the driving rod (326) descends is larger, under the action of the driving rod (326), the impact block (314) continuously breaks the ice on the conveying assembly (112), when the supporting plate one (222) drives the driving rod (326) to reset, the conveying assembly (112) is knocked again in the same way, and the cleaning scraper (223) is cooperated, the cleaning effect of the conveying assembly (112) is improved. S3: The ice and frost falling down will fall on the rectangular plate (211) and into the collecting box (115), and the ice and frost on the rectangular plate (211) will gradually melt into water, at this time, the water flows into the inclined flow groove (411) through the slope of the inclined surface (412), and under the action of the inclined flow groove (411), the water flows to the water outlet pipe (413), so that the water flows into the collecting box (115) through the water outlet pipe (413) for collection.

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