Anti-adhesion quick-frozen food conveying device

Abstract

The invention belongs to the technical field of food processing, and particularly discloses an anti-adhesion quick-frozen food conveying device which comprises a conveying frame and a conveying mesh belt arranged on the conveying frame in a matched mode. The supports are symmetrically arranged below the return section of the conveying net belt, the heating cylinder cover is fixedly arranged between the two supports, the heat preservation pushing and deicing mechanism is arranged in the heating cylinder cover, the driving mechanism is arranged on the supports, and the first absorber and the second absorber are arranged on the return path of the conveying net belt. A heat preservation pushing deicing mechanism is adopted, a semi-flexible arc cover doing circular motion is in contact with a net belt to periodically push the net belt, the net belt is embedded into the deep positions of meshes through flexible deformation of the semi-flexible arc cover, contact type hot melting is conducted on accumulated ice through hot fluid in the cover, mechanical thrust is matched to forcibly strip the accumulated ice, and then the accumulated ice is collected through negative pressure of a suction device. The device can adapt to meshes of the mesh belt, embedded accumulated ice is effectively removed, heat is accurately transmitted through contact, and heat energy waste and interference are avoided.

Description

Technical Field

[0001] This invention belongs to the field of food processing technology, specifically referring to a quick-frozen food conveying device that prevents sticking. Background Technology

[0002] In the industrial production process of frozen foods, after the food is deep-frozen in a blast freezer, it needs to be transferred to a packaging machine or the next process via a metal mesh conveyor. Freshly frozen foods typically have extremely low core temperatures and often have tiny ice crystals, frost layers, and trace amounts of condensation or residual washing water generated by the temperature difference upon removal from the blast-freezing environment. When these frozen foods come into contact with the metal mesh conveyor, instantaneous recrystallization occurs on the surface of the conveyor under the effect of cold bridging. This adhesion phenomenon can lead to serious consequences; ice chips and condensed water continuously fill the mesh of the metal mesh conveyor and freeze into hard ice blocks. This structural ice buildup can become stuck in the hinge points and gaps of the conveyor, increasing the running resistance of the conveyor, causing running jams, and making it difficult for the food to fall off naturally at the unloading end. Furthermore, long-term accumulated old ice layers can become a potential breeding ground for microorganisms. To address the adhesion problem during the conveying process, existing technologies mainly employ the following two methods, but both have significant technical drawbacks: Existing technologies often employ drying and blowing devices on the back side of the conveyor belt during the return journey for drying or de-icing. However, this approach is not ideal in practical applications. Because the accumulated ice is often deeply embedded within the complex woven structure of the metal conveyor belt, a simple back-side hot airflow cannot penetrate the metal layer and effectively melt the ice stuck deep within the mesh, resulting in incomplete de-icing. Furthermore, quick-freezing workshops are strictly controlled low-temperature environments, and introducing hot air devices not only results in significant energy waste, but the high-temperature airflow inevitably escapes into the surrounding air during the blowing process, causing a localized increase in ambient temperature and disrupting the stability of the low-temperature freezing environment.

[0003] Another common solution is to use physical scrapers or comb-shaped inserts for de-icing. Conventional flat scrapers can only remove the ice layer attached to the surface of the conveyor belt, and are helpless against stubborn ice embedded inside the mesh of the conveyor belt; although comb-shaped blades can insert into the mesh for cleaning, due to the irregular arrangement of the mesh, the rigid comb teeth are very likely to collide rigidly with the irregular metal mesh belt, resulting in comb tooth breakage, mesh belt wear, and even serious production accidents. Summary of the Invention

[0004] To address the above issues, this invention provides an anti-sticking quick-frozen food conveying device. It employs an insulated pushing and de-icing mechanism. A semi-flexible arc-shaped cover, moving in a circular motion, periodically pushes the conveyor belt upon contact, embedding itself deep into the mesh using its flexible deformation. Hot fluid inside the cover melts the accumulated ice through contact, and mechanical force forces the ice off. The ice is then collected by a suction device under negative pressure. This device adapts to the mesh size of the conveyor belt and effectively removes embedded ice. Furthermore, heat is precisely transferred through contact, avoiding heat waste and interference.

[0005] The technical solution adopted by the present invention is as follows: The present invention proposes an anti-sticking quick-frozen food conveying device, including a conveyor frame and a conveyor belt disposed on the conveyor frame, and further including supports symmetrically disposed below the return section of the conveyor belt, a heating cylinder hood fixedly disposed between the two supports, a heat preservation and pushing de-icing mechanism disposed inside the heating cylinder hood, a driving mechanism disposed on the supports, and a first absorber and a second absorber disposed on the return path of the conveyor belt.

[0006] Furthermore, the heating cylinder cover is horizontally positioned and has an arc-shaped opening at the top facing the conveyor belt.

[0007] Furthermore, the heat-insulating pushing de-icing mechanism includes a positioning cylinder fixedly disposed on the upper end of each bracket, a sleeve that engages and rotates on each positioning cylinder, a rotating ring coaxially fixed to the front end of each sleeve, multiple arc plates closely attached between two rotating rings, and a semi-flexible arc cover disposed on the outer arc surface of the arc plates.

[0008] Furthermore, the positioning cylinder has an annular groove and a sudden change groove communicating with the annular groove on the side facing the arc plate, and the rotating ring has vertical grooves distributed in a circular array on the side facing the arc plate, with the vertical grooves pointing to the axis of the rotating ring.

[0009] Furthermore, the two ends of the arc plate are provided with guide rods pointing to the center of the arc plate. The guide rods are provided with sliders and rollers. The sliders are slidably engaged in the vertical groove, and the rollers are slidably engaged in the annular groove and the abrupt change groove.

[0010] Furthermore, the angle position of the sudden change groove corresponds to the angle position of the arc opening on the heating cylinder cover. The annular groove is coaxially arranged with the positioning cylinder. The length of the sudden change groove from the center line of the positioning cylinder gradually increases along the rotation direction to the maximum position in the middle and then gradually decreases and connects to the annular groove. When the roller just begins to move outward along the trajectory of the sudden change groove, the guide rod drives the arc plate to drive the semi-flexible arc cover to just extend outward along the vertical groove and press against the conveyor belt.

[0011] Furthermore, the cross-section of the semi-flexible arc cover is fan-shaped; all the outer arc surfaces of the semi-flexible arc covers that are not pushed out can form a continuous arc surface, and the outer peripheral surface of the arc surface is coaxially attached to the inner wall of the heating cylinder cover, and the circle in which the arc surface is located is tangent to the lower surface of the conveyor belt.

[0012] Furthermore, the semi-flexible arc cover is made of a semi-flexible material that is resistant to high temperatures and has the ability to initially maintain its shape; when the semi-flexible arc cover extends and presses against the conveyor belt, it undergoes flexible deformation to embed itself into the mesh of the conveyor belt.

[0013] Furthermore, the side of the positioning cylinder facing the semi-flexible arc cover and the side of the rotating ring facing the semi-flexible arc cover are located in the same vertical plane, and the positioning cylinder and the heating cylinder cover are coaxially arranged.

[0014] Furthermore, the drive mechanism includes a motor symmetrically fixed to the outside of the bracket, a gear driven to rotate by the motor, and an outer gear ring fixedly sleeved on the outside of the sleeve and meshing with the gear.

[0015] Furthermore, when the motor drives the semi-flexible arc cover that has not been pushed out to rotate, the linear velocity of the outer arc surface is the same as the running speed of the conveyor belt, and the length of the semi-flexible arc cover covers the width of the conveyor belt.

[0016] Furthermore, the first absorber is located above the return section of the conveyor belt, with its air intake pointing downwards towards the conveyor belt; the second absorber is located below the return section of the conveyor belt, with its air intake pointing upwards towards the conveyor belt; the first and second absorbers are staggered along the conveying direction, and the ice slag melted and separated by the heat-insulating and pushing de-icing mechanism is successively sucked into the first and second absorbers and discharged away.

[0017] Furthermore, the heating cylinder cover is embedded with heating wires; the semi-flexible arc cover is filled with fluid, which can quickly absorb heat and raise the temperature inside the heating cylinder cover and quickly release heat when in contact with the conveyor belt.

[0018] The beneficial effects achieved by the present invention using the above structure are as follows: (1) The present invention adopts a heat-insulating pushing de-icing mechanism, which uses a semi-flexible arc cover to make a circular motion and periodically extend to press against the conveyor belt. The semi-flexible arc cover utilizes its own flexible deformation capability to adapt to and penetrate into the complex mesh of the conveyor belt. Combined with the thermal energy of the hot fluid inside the cover, it performs a dual action of contact heat melting and mechanical pushing on the accumulated ice. This design effectively solves the problems in the prior art where hot airflow is difficult to penetrate the mesh and the flat scraper cannot clean the internal accumulated ice. It can effectively remove stubborn structural ice stuck in the mesh and hinge points.

[0019] (2) The present invention uses a heating cylinder cover to enclose the heat source for heat preservation. The semi-flexible arc cover only extends and releases heat when it comes into contact with the conveyor belt. This contact-type precise heat conduction method ensures that the heat energy is only used for melting and accumulating ice, and avoids the heat from dissipating into the surrounding environment. This not only greatly reduces the energy consumption of de-icing, but also solves the problem of the existing hot blowing scheme damaging the stability of the low temperature environment in the quick-freezing workshop, and eliminates the risk of food heating caused by the rise in ambient temperature.

[0020] (3) This invention utilizes the flexible material properties of the semi-flexible arc cover to avoid hard friction and collision between the rigid blades and the metal conveyor belt during the de-icing process, which greatly extends the service life of the conveyor belt. The main purpose of this invention is to break the adhesion between the ice layer and the conveyor belt by heat melting and loosen the ice block, rather than violently peeling it off. The loosened ice slag is then completely sucked away by the first absorber and the second absorber, which are set in a staggered manner, from the top and bottom of the conveyor belt by negative pressure, thereby achieving efficient and residue-free de-icing under the premise of protecting the conveyor belt. Attached Figure Description

[0021] Figure 1 This is a three-dimensional structural diagram of a quick-frozen food conveying device for preventing sticking, as proposed in this invention.

[0022] Figure 2 This is a front view of a quick-frozen food conveying device for preventing sticking, as proposed in this invention.

[0023] Figure 3 This is a schematic diagram showing the positional relationship between the heating cylinder cover and the first absorber of an anti-sticking quick-frozen food conveying device proposed in this invention.

[0024] Figure 4 This is an exploded structural diagram showing the positional relationship between the heating cylinder cover and the heat-insulating pushing and de-icing mechanism of the anti-sticking quick-frozen food conveying device proposed in this invention.

[0025] Figure 5 for Figure 2 Enlarged view of section A in the middle.

[0026] Figure 6 for Figure 4 Enlarged view of section B.

[0027] Figure 7 This is an exploded structural diagram showing the positional relationship between the rotating ring and the positioning cylinder of an anti-sticking quick-frozen food conveying device proposed in this invention.

[0028] Figure 8 This is an exploded structural diagram showing the positional relationship between the slider and the vertical groove of an anti-sticking quick-frozen food conveying device proposed in this invention.

[0029] Figure 9This is a schematic diagram showing the positional relationship between the semi-flexible arc cover and the heating cylinder cover of an anti-sticking quick-frozen food conveying device proposed in this invention.

[0030] Figure 10 for Figure 1 Enlarged view of section C.

[0031] Among them, 1. Conveyor frame, 2. Conveyor belt, 3. Support, 4. Heating cylinder cover, 41. Heating wire, 42. Arc opening, 5. Insulation and pushing de-icing mechanism, 51. Positioning cylinder, 511. Ring groove, 512. Sudden change groove, 52. Sleeve, 53. Rotary ring, 531. Vertical groove, 54. Arc plate, 55. Guide rod, 56. Semi-flexible arc cover, 57. Slider, 58. Roller, 6. Drive mechanism, 61. Motor, 62. Gear, 63. External gear ring, 7. First absorber, 8. Second absorber.

[0032] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used together with the embodiments of the invention to explain the invention and do not constitute a limitation thereof. Detailed Implementation

[0033] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0034] In the description of this invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0035] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10As shown, this invention proposes an anti-sticking frozen food conveying device, mainly including a conveyor frame 1 and a conveyor belt 2 mounted on the conveyor frame 1. In order to solve the problem of ice formation and sticking of the conveyor belt caused by the cold bridge effect during the conveying of frozen food, this device is equipped with a special de-icing mechanism in the return section of the conveyor belt 2. Specifically, a pair of supports 3 are symmetrically arranged below the return section of the conveyor belt 2, and a heating cylinder cover 4 is fixedly connected between the two supports 3. The heating cylinder cover 4 is horizontally spanned below the conveyor belt 2, and an insulated pushing de-icing mechanism 5 is provided inside it for contact-type heat melting and mechanical pushing de-icing of the conveyor belt 2. In addition, a drive mechanism 6 is also provided on the supports 3 for driving the operation of the insulated pushing de-icing mechanism 5. On the return path of the conveyor belt 2, a first absorber 7 and a second absorber 8 are also provided to remove the peeled ice residue.

[0036] In order to achieve efficient heat energy utilization and precise de-icing operation, the heating cylinder cover 4 is set horizontally in a cylindrical shape, and heating wires 41 are embedded in its inner wall. The top of the heating cylinder cover 4 is provided with an arc opening 42 facing the conveyor belt 2. This arc opening 42 is the only channel for the heat preservation and pushing de-icing mechanism 5 to extend outward for operation.

[0037] The design of the heat-insulating, pushing, and de-icing mechanism 5 is the core of this invention. Except for the arc plate 54 and the semi-flexible arc cover 56 located in the middle, the other components of the mechanism are symmetrically distributed. The specific structure includes a positioning cylinder 51 fixedly installed on the upper end of each bracket 3. The positioning cylinder 51 is coaxially arranged with the heating cylinder cover 4. A sleeve 52 is fitted and rotated on each positioning cylinder 51. A rotating ring 53 is coaxially fixed at the front end of each sleeve 52. Multiple arc plates 54 are tightly arranged between two rotating rings 53. The semi-flexible arc cover 56 is provided on the outer arc surface of these arc plates 54.

[0038] To achieve the periodic telescopic movement of the semi-flexible arc cover 56, the side of the positioning cylinder 51 facing the arc plate 54 is provided with an annular groove 511 and a sudden change groove 512 communicating with the annular groove 511. The side of the positioning cylinder 51 facing the semi-flexible arc cover 56 and the side of the rotating ring 53 facing the semi-flexible arc cover 56 are located in the same vertical plane. The side of the rotating ring 53 facing the arc plate 54 is provided with vertical grooves 531 distributed in a circular array. The vertical grooves 531 point radially towards the axis of the rotating ring 53. The two ends of the arc plate 54 are provided with guide rods 55 pointing towards the center of the circle where the arc plate 54 is located. The guide rods 55 are provided with sliders 57 and rollers 58. The sliders 57 are slidably engaged in the vertical grooves 531, which plays the role of transmitting torque and limiting circumferential displacement. The rollers 58 are slidably engaged in the annular grooves 511 and the sudden change grooves 512, which plays the role of controlling radial displacement.

[0039] The angle of the sudden change groove 512 corresponds precisely to the angle of the arc opening 42 on the heating cylinder cover 4. The annular groove 511 is coaxially set with the positioning cylinder 51 to maintain the retracted position in the non-working state. The length of the sudden change groove 512 from the center line of the positioning cylinder 51 gradually increases along the rotation direction to the maximum position in the middle and then gradually decreases, and finally connects to the annular groove 511. This trajectory design allows the guide rod 55 to drive the arc plate 54 to drive the semi-flexible arc cover 56 to extend outward along the vertical groove 531 just out of the arc opening 42 and press against the conveyor belt 2 when the roller 58 starts to move outward along the trajectory of the sudden change groove 512.

[0040] The semi-flexible arc cover 56 has a fan-shaped cross-section, and its length covers the width of the conveyor belt 2. The semi-flexible arc cover 56 is made of a semi-flexible material that is resistant to high temperature and has the ability to initially maintain its shape. Its interior is filled with a fluid. This fluid material has a high specific heat capacity and can quickly absorb heat and heat up inside the heating cylinder cover 4. It can also quickly release heat when it comes into contact with the conveyor belt 2. All the outer arc surfaces of the semi-flexible arc covers 56 that are not pushed out can form a continuous arc surface. The outer circumference of this arc surface is coaxially and tightly attached to the inner wall of the heating cylinder cover 4, forming a good sealing and heat preservation effect. The circle containing this arc surface is tangent to the lower surface of the conveyor belt 2.

[0041] The drive mechanism 6 includes a motor 61 symmetrically fixed to the outside of the bracket 3, a gear 62 driven to rotate by the motor 61, and an outer gear ring 63 fixedly sleeved on the outside of the sleeve 52 and meshing with the gear 62. The motor 61 drives the sleeve 52 and the rotating ring 53 to rotate through the gear 62 and the outer gear ring 63. The speed of the motor 61 is precisely set so that the linear velocity of the outer arc surface of the semi-flexible arc cover 56 that is not pushed out is the same as the running speed of the conveyor belt 2 when it rotates, thereby ensuring relative stillness at contact and avoiding wear.

[0042] To thoroughly remove ice slag, the first absorber 7 is located above the return section of the conveyor belt 2, with its air intake pointing downwards towards the conveyor belt 2; the second absorber 8 is located below the return section of the conveyor belt 2, with its air intake pointing upwards towards the conveyor belt 2. The first absorber 7 and the second absorber 8 are staggered along the conveying direction and are both connected to a negative pressure source.

[0043] The specific work process is as follows: After the device is started, the heating wire 41 is energized to maintain the internal temperature of the heating cylinder cover 4 at the set temperature. The motor 61 starts and drives the sleeve 52 and the rotating ring 53 to rotate synchronously through the meshing of the gear 62 and the outer gear ring 63. Since the slider 57 is limited in the vertical groove 531, the rotating ring 53 drives all the arc plates 54 and the semi-flexible arc cover 56 to rotate. During the rotation, the semi-flexible arc cover 56 continuously absorbs heat inside the heating cylinder cover 4 as it rotates, and the internal fluid heats up and stores energy. When a semi-flexible arc cover 56 rotates to the position of the arc opening 42 at the top of the heating cylinder cover 4, its corresponding roller 58 enters the sudden change groove 512 from the ring groove 511. As the rotation continues, the radial distance of the sudden change groove 512 gradually increases, pushing the roller 58 to move radially outward, and then pushing the arc plate 54 and the semi-flexible arc cover 56 out of the arc opening 42 through the guide rod 55.

[0044] At this time, the outer arc surface of the semi-flexible arc cover 56 contacts the conveyor belt 2. Since the linear speed controlled by the motor 61 is the same as the speed of the conveyor belt 2, there is no relative sliding between the two. As the roller 58 moves to the highest point of the sudden change groove 512, the semi-flexible arc cover 56 is continuously pushed upward, continues to undergo flexible deformation and embeds itself deep into the mesh of the conveyor belt 2. At this time, the high temperature fluid inside the semi-flexible arc cover 56 rapidly releases heat to the ice layer through the cover wall, causing the ice to melt at the point where it adheres to the conveyor belt 2. Combined with the mechanical lifting force, the stubborn ice is loosened and peeled off. Although a small gap will be generated in the circumferential direction after the semi-flexible arc cover 56 extends outward, due to its flexible extension after being pressed, it can continuously cover the contact area of ​​the conveyor belt 2.

[0045] After completing the heat exchange and pushing action, the roller 58 falls back along the trajectory of the sudden change groove 512, and the semi-flexible arc cover 56 retracts into the heating cylinder cover 4 to continue the next round of heating and heat preservation cycle, realizing efficient utilization of thermal energy and seamless de-icing operation. If a single mechanism cannot completely remove thick ice, multiple sets of this heat preservation and pushing de-icing mechanism 5 can be set along the conveying path. The melted and loosened ice slag continues to run with the conveyor belt 2, first passing under the first absorber 7. The first absorber 7 uses negative pressure to suck up the conveyor belt 2 from above, sucking away most of the loose ice slag. For some ice slag that cannot be sucked up from above due to the metal wire at the edge of the mesh, the second absorber 8 located below sucks it up from the bottom of the belt in the subsequent stroke, thereby ensuring the thorough cleaning of the conveyor belt 2.

[0046] It should be noted that, in this document, the terms “comprising,” “including,” or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0047] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention.

[0048] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the spirit of the invention, such designs should fall within the protection scope of the present invention.

Claims

1. A quick-frozen food conveying device for preventing sticking, comprising a conveyor frame (1) and a conveyor belt (2) disposed on the conveyor frame (1), characterized in that: It also includes a bracket (3) symmetrically arranged below the return section of the conveyor belt (2), a heating cylinder cover (4) fixed between the two brackets (3), a heat preservation and pushing de-icing mechanism (5) arranged inside the heating cylinder cover (4), a drive mechanism (6) arranged on the bracket (3), and a first absorber (7) and a second absorber (8) arranged on the return path of the conveyor belt (2). The heating cylinder cover (4) is horizontally arranged and has an arc opening (42) at the top facing the conveyor belt (2). The heat-insulating pushing and de-icing mechanism (5) includes a positioning cylinder (51) fixedly installed on the upper end of each bracket (3), a sleeve (52) that is engaged and rotated on each positioning cylinder (51), a rotating ring (53) coaxially fixed to the front end of each sleeve (52), multiple arc plates (54) closely attached between two rotating rings (53), and a semi-flexible arc cover (56) provided on the outer arc surface of the arc plate (54). The positioning cylinder (51) has an annular groove (511) and a sudden change groove (512) connected to the annular groove (511) on the side facing the arc plate (54). The rotating ring (53) has vertical grooves (531) arranged in a circular array on the side facing the arc plate (54). The vertical grooves (531) point to the axis of the rotating ring (53). The two ends of the arc plate (54) are provided with guide rods (55) pointing to the center of the arc plate (54). The guide rods (55) are provided with sliders (57) and rollers (58). The sliders (57) are slidably fitted in the vertical groove (531), and the rollers (58) are slidably fitted in the annular groove (511) and the sudden change groove (512).

2. The anti-sticking quick-frozen food conveying device according to claim 1, characterized in that: The angle of the mutation groove (512) corresponds to the angle of the arc opening (42) on the heating cylinder cover (4). The annular groove (511) is coaxially arranged with the positioning cylinder (51). The length of the mutation groove (512) from the center line of the positioning cylinder (51) gradually increases along the rotation direction to the maximum position in the middle and then gradually decreases and connects to the annular groove (511). When the roller (58) just begins to move outward along the trajectory of the mutation groove (512), the guide rod (55) drives the arc plate (54) to drive the semi-flexible arc cover (56) to extend outward along the vertical groove (531) and press against the conveyor belt (2).

3. The anti-sticking quick-frozen food conveying device according to claim 2, characterized in that: The cross-section of the semi-flexible arc cover (56) is fan-shaped; the outer arc surfaces of all the semi-flexible arc covers (56) that are not pushed out can form a continuous arc surface, and the outer peripheral surface of the arc surface is coaxially attached to the inner wall of the heating cylinder cover (4), and the circle in which the arc surface is located is tangent to the lower surface of the conveyor belt (2).

4. The anti-sticking quick-frozen food conveying device according to claim 3, characterized in that: The semi-flexible arc cover (56) is made of a semi-flexible material that is resistant to high temperature and has the ability to maintain its shape initially; when the semi-flexible arc cover (56) extends and presses against the conveyor belt (2), it undergoes flexible deformation to embed itself into the mesh of the conveyor belt (2).

5. The anti-sticking quick-frozen food conveying device according to claim 4, characterized in that: The side of the positioning cylinder (51) facing the semi-flexible arc cover (56) and the side of the rotating ring (53) facing the semi-flexible arc cover (56) are located in the same vertical plane, and the positioning cylinder (51) and the heating cylinder cover (4) are coaxially arranged.

6. The anti-sticking quick-frozen food conveying device according to claim 5, characterized in that: The drive mechanism (6) includes a motor (61) symmetrically fixed to the outside of the bracket (3), a gear (62) driven to rotate by the motor (61), and an outer gear ring (63) fixedly sleeved on the outside of the sleeve (52) and meshing with the gear (62).

7. The anti-sticking quick-frozen food conveying device according to claim 6, characterized in that: When the motor (61) drives the semi-flexible arc cover (56) that has not been pushed out to rotate, the linear velocity of the outer arc surface is the same as the running speed of the conveyor belt (2), and the length of the semi-flexible arc cover (56) covers the width of the conveyor belt (2).

8. The anti-sticking quick-frozen food conveying device according to claim 7, characterized in that: The first absorber (7) is located above the return section of the conveyor belt (2), and its air inlet faces downward toward the conveyor belt (2); the second absorber (8) is located below the return section of the conveyor belt (2), and its air inlet faces upward toward the conveyor belt (2); the first absorber (7) and the second absorber (8) are staggered along the conveying direction, and the ice slag melted and separated by the heat preservation and pushing de-icing mechanism (5) is successively sucked in by the first absorber (7) and the second absorber (8) and discharged away.

9. The anti-sticking quick-frozen food conveying device according to claim 8, characterized in that: The heating cylinder cover (4) is embedded with a heating wire (41); the semi-flexible arc cover (56) is filled with fluid, which can quickly absorb heat and heat up inside the heating cylinder cover (4) and quickly release heat when it comes into contact with the conveyor belt (2).

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