CN118089308B

CN118089308B - Food freezing device

Info

Publication number: CN118089308B
Application number: CN202410462798.5A
Authority: CN
Inventors: 杜兴兰; 刘向芳; 李淑静; 杜攀; 辛晓舒; 郑平
Original assignee: Xiamen Zhancai Technology Co ltd
Current assignee: Xiamen Zhancai Technology Co ltd
Priority date: 2024-04-17
Filing date: 2024-04-17
Publication date: 2024-06-21
Anticipated expiration: 2044-04-17
Also published as: CN118089308A

Abstract

The invention belongs to the technical field of food freezing, in particular to a food freezing device, which comprises a silk screen belt conveyor, a tunnel type refrigerator fixed on the surface of the silk screen belt conveyor and a freezing fan set fixed inside the tunnel type refrigerator, wherein a cold escape prevention separation assembly is arranged between the silk screen belt conveyor and the tunnel type refrigerator.

Description

Food freezing device

Technical Field

The invention belongs to the technical field of food freezing, and particularly relates to a food freezing device.

Background

In order to enable modern people to enjoy foods as actually cooked even in busy daily life, various frozen foods are developed, and in practice, with the development of refrigeration technology and transportation technology, the variety of frozen foods is increasing, and the frozen foods are foods which can be cooked by users only by thawing frozen foods, and the frozen foods are usually subjected to rapid freezing operation after being cooked, and large-scale freezing equipment is used in the process;

although the existing refrigerating device meets the use requirement of a user to a certain extent in life, certain defects still exist in the use process, and the specific problems are that in order to avoid the loss of internal cold air, the existing refrigerating machine is mainly provided with cold air partition door curtains at an inlet and an outlet of the refrigerating machine, however, the door curtains become hard gradually when the temperature in the refrigerating machine is reduced, and at the moment, when food enters the refrigerating machine through the door curtains, the hardened door curtains contact with the surface of the food, so that the surface of the food is easily damaged;

in order to solve the above problems, the present application provides a food freezing apparatus.

Disclosure of Invention

The invention provides a food freezing device which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: a food freezing device comprises a silk screen belt conveyor, a tunnel type refrigerator fixed on the surface of the silk screen belt conveyor and a freezing fan set fixed inside the tunnel type refrigerator;

A cold escape prevention isolation assembly is arranged between the silk screen belt conveyor and the tunnel type refrigerator, and comprises a fixed plate, a turnover foot seat, a partition plate, a first partition magnet, a partition seat, a fixed plate, a turnover shaft, a swing shifting plate and a second partition magnet, wherein the fixed plate is used for partitioning cold air in the tunnel type refrigerator to reduce cold air loss;

The utility model discloses a screen belt conveyer's conveyer belt fixed surface has the fixed plate, the surface welding of fixed plate has two sets of upset footrests, two sets of articulated have the partition panel between the upset footrest, the inside of partition panel is provided with cuts off magnet one, the inside bilateral symmetry welding of tunnel freezer has cuts off the seat, the inside bilateral symmetry of cutting off the seat is fixed with the fixed disk, two sets of be fixed with the turnover shaft between the fixed disk, the surface both ends symmetry of turnover shaft articulates there is the swing and dials the board, the below of swing and dial the board is provided with cuts off magnet two.

As a food refrigerating device, the cold escape preventing and isolating assembly also comprises a swinging ring seat, a swinging sliding block and a second spring;

the swing shifting plate is characterized in that a swing ring seat with a semicircular structure is arranged between the swing shifting plate and the fixed disc, the swing ring seat is fixed on the surface of the fixed disc, a swing sliding block is connected inside the swing ring seat in a sliding mode, the swing sliding block is fixedly connected with the swing shifting plate, a second spring is symmetrically fixed on two sides of the swing sliding block, and the other end of the second spring is connected with the swing ring seat.

As a food refrigerating device, preferably, a torsion spring I is fastened between the partition plate and the turnover foot seat, a plurality of groups of springs I are fixed between the partition magnet I and the partition plate, and wind shields with U-shaped structures are welded at two ends of the tunnel type refrigerator.

As a food refrigerating device, preferably, a swinging shaft is fixed between two groups of swinging poking plates, fixing lugs are symmetrically fixed at two ends of the surface of the swinging shaft, the fixing lugs are fixedly connected with a partition magnet II, and magnetic poles of one side of the partition magnet II adjacent to the partition magnet I are opposite.

As a food refrigerating device, the feeding end of the silk screen belt conveyor is provided with a self-opening blanking assembly, and the self-opening blanking assembly comprises a support frame, a feed hopper, a fixing frame, a material blocking turning plate, a swinging support, a swinging rod, a pushing magnet, a moving seat and a spreading rod, wherein the support frame is used for automatically blanking food to be refrigerated;

one group of the wind shield surface welding has the support frame, one side of support frame is fixed with the feeder hopper, the surface bilateral symmetry welding of feeder hopper has the mount, two sets of it has two sets of material to keep off to turn over the board to articulate between the mount, two sets of the opposite sides symmetry welding of mount has the swing frame, the inside of swing frame is provided with the swinging arms, the one end bottom of swinging arms is provided with pushing magnets, the other end bottom of swinging arms sets up the movable seat, the bilateral symmetry of movable seat articulates there is the strut pole, the other end of strut pole is articulated with the material that keeps off to turn over the board.

As a food refrigerating device, the self-opening blanking assembly also comprises a connecting rod, a connecting plate, a positioning block, a spring III and a positioning sleeve;

The utility model discloses a wind shield, including connecting rod, swinging arms, supporting seat, locating piece, supporting seat and spring, the one end of swinging arms articulates there is the connecting rod, the surface cover of connecting rod is equipped with the spacer sleeve, the spacer sleeve welds the surface at the windshield, the logical groove with connecting rod looks adaptation is seted up to the inside of spacer sleeve, just the pushing away magnet is fixed in the bottom of connecting rod, the other end of swinging arms articulates there is the connecting plate, just it fixes the surface at the connecting plate to remove the seat, it is fixed with the locating piece to remove surface one side of seat, the constant head tank with locating piece looks adaptation has been seted up to the inside of feeder hopper, just it passes through locating piece and this constant head tank sliding connection to remove seat and feeder hopper, be fixed with the spring III between locating piece and the feeder hopper.

In the food freezing apparatus according to the present invention, preferably, a rotation shaft is hinged to the inside of the swing bracket, the swing lever is fixed to the surface of the rotation shaft, and magnetic poles of the pushing magnet on one side adjacent to the blocking magnet are the same.

As the food refrigerating device is preferable, a self-locking distance detecting component is arranged above the silk screen belt conveyor and comprises a locking frame, an electric push rod, a locking ratchet wheel, a locking pawl, a positioning shaft and a torsion spring II, wherein the locking frame is used for controlling the opening and closing of a material blocking turning plate;

the swing bracket is characterized in that locking frames are symmetrically welded on two sides of the swing bracket, an electric push rod is fixed in the locking frames, a locking pawl is arranged under the electric push rod, a locking ratchet wheel is connected to the end of the locking pawl, a positioning shaft is fixed in the locking pawl, the positioning shaft is hinged to the inner portion of the locking frames, and a torsion spring II is buckled between the locking pawl and the locking frames.

Preferably, the self-locking probe distance assembly further comprises a distance measuring sleeve, a pressure sensor and a distance measuring probe;

The material blocking turning plate is characterized in that a ranging sleeve is fixed on the surface of the material blocking turning plate, a pressure sensor is connected to the inside of the ranging sleeve in a sliding mode, and a ranging probe is fixed at the end of the pressure sensor.

As a food refrigerating device, preferably, a spring IV is fixed between the pressure sensor and the distance measuring sleeve, and the pressure sensor is electrically connected with the electric push rod.

Compared with the prior art, the invention has the beneficial effects that: the invention has scientific and reasonable structure and safe and convenient use:

1. The anti-escape cold blocking assembly is arranged, and through the use of the fixed plate, the overturning foot seat, the partition plate, the first partition magnet, the partition seat, the fixed disc, the overturning shaft, the swinging shifting plate and the second partition magnet, the port of the tunnel type refrigerator can be blocked, the leakage of cold air in the inner cavity of the tunnel type refrigerator is reduced, the leakage speed of the cold air is reduced, a great amount of cold air can be prevented from being lost, the cold air is saved to a certain extent, the energy consumption of the tunnel type refrigerator is reduced, and when foods before and after freezing enter and exit the tunnel type refrigerator, the foods are not contacted and bumped, so that the surface of the foods is not damaged, and the appearance quality of the frozen foods is ensured;

Through the use of swing ring seat, swing slider and spring two, can make cut off magnet two and overturn in the inside of cutting off the seat for cut off magnet one and cut off magnet two and adsorb the laminating together all the time, when guaranteeing food business turn over material and not being obstructed, can also improve the closure to tunnel freezer, prevent that the opening from exposing excessively and leading to the air conditioning to run off too big, avoid appearing extravagant energy's problem.

2. The automatic feeding device is provided with a self-opening blanking assembly, and through the use of a supporting frame, a feed hopper, a fixing frame, a material blocking turning plate, a swinging bracket, a swinging rod, a pushing magnet, a moving seat and a supporting rod, the material blocking turning plate can be pushed to turn around the end of the fixing frame, the blocking of the feed hopper can be relieved, automatic blanking of food is realized, manual feeding is not needed, the labor intensity is reduced, the operation of a silk screen belt conveyor is matched, the dropped food can be uniformly and quantitatively distributed on the surface of the silk screen belt conveyor, accumulation among a plurality of foods is avoided, the foods are guaranteed to be sufficiently frozen, and the freezing effect of the foods is improved;

Through the use of connecting rod, connecting plate, locating piece, spring three and position sleeve, can push away to keep off the material and turn over the end department that turns over the board around the mount and overturn, can remove the shutoff to the feeder hopper, realize the automatic unloading to food to follow-up under the rebound force of spring three, can drive and remove the seat and reset, and then drive and keep off the material and turn over the board and reset, realize the shutoff to the feeder hopper, make the food no longer fall, can the automatic stop blowing.

3. Be provided with from locking separation between two, through locking frame, electric putter, locking ratchet, locking pawl, locating shaft, torsional spring two, range sleeve, pressure sensor and range probe's use, can carry out the shutoff to the feeder hopper for food no longer falls, can automatic stop blowing, thereby avoid the food to last the unloading to appear falling to follow-up partition panel surface of carrying coming, lead to the unrestrained extravagant condition of food splash, so reciprocating, realized intermittent type blowing, make the food unified concentrated fall between two sets of partition panels, improve the effect of food unloading transportation.

Drawings

The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is an overall cross-sectional view of the present invention;

FIG. 3 is a schematic view of a partial construction of a screen belt conveyor and a partition panel according to the present invention;

FIG. 4 is a cross-sectional view of a partition panel in the present invention;

FIG. 5 is a cross-sectional view of a partition seat according to the present invention;

FIG. 6 is a schematic view of a partial structure of a second stationary platen and a second blocking magnet according to the present invention;

FIG. 7 is a schematic view of a windshield and a self-opening blanking assembly according to the present invention;

FIG. 8 is a schematic diagram of the structure of the self-opening blanking assembly and the self-locking distance detecting assembly of the present invention;

FIG. 9 is a schematic diagram of a self-opening blanking assembly according to the present invention;

FIG. 10 is a schematic view of a partial structure of a self-opening blanking assembly according to the present invention;

FIG. 11 is an enlarged view of FIG. 10 at A in accordance with the present invention;

FIG. 12 is a schematic view of a partial construction of a swing bracket and self-locking range finder assembly of the present invention;

FIG. 13 is a schematic view of a partial structure of a self-locking range finder assembly of the present invention;

fig. 14 is a cross-sectional view of a distance measuring sleeve according to the present invention.

In the figure: 1. a wire mesh belt conveyor; 2. a tunnel freezer; 3. a refrigerating fan unit; 4. a cold escape prevention barrier assembly; 41. a fixing plate; 42. a turnover foot stand; 421. a torsion spring I; 43. a partition panel; 44. isolating the first magnet; 441. a first spring; 442. a wind shield; 45. a partition seat; 46. a fixed plate; 47. a turnover shaft; 48. swinging the shifting plate; 481. a swinging ring seat; 482. swinging the sliding block; 483. a second spring; 49. isolating the second magnet; 491. a fixed ear; 492. a swing shaft; 5. a self-opening blanking assembly; 51. a support frame; 52. a feed hopper; 53. a fixing frame; 54. a material blocking turning plate; 55. a swing bracket; 551. a rotation shaft; 56. a swinging rod; 561. a connecting rod; 562. a connecting plate; 563. a positioning block; 564. a third spring; 565. a positioning sleeve; 57. pushing the magnet; 58. a movable seat; 59. a spreader bar; 6. a self-locking range finding assembly; 61. a locking frame; 62. an electric push rod; 63. a locking ratchet; 64. a locking pawl; 65. positioning a shaft; 66. a torsion spring II; 67. a distance measuring sleeve; 68. a pressure sensor; 681. a spring IV; 69. a range probe.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Examples: as shown in fig. 1 to 14, the invention provides a technical scheme, namely a food freezing device, which comprises a silk screen belt conveyor 1, a tunnel type refrigerator 2 fixed on the surface of the silk screen belt conveyor 1 and a freezing fan set 3 fixed inside the tunnel type refrigerator 2;

A cold escape preventing and isolating assembly 4 is arranged between the silk-screen belt conveyor 1 and the tunnel type refrigerator 2, and the cold escape preventing and isolating assembly 4 comprises a fixed plate 41, a turnover foot seat 42, a torsion spring 421, a partition plate 43, a partition magnet 44, a spring 441, a windshield 442, a partition seat 45, a fixed disc 46, a turnover shaft 47, a swinging poking plate 48, a swinging ring seat 481, a swinging sliding block 482, a spring 483, a partition magnet 49, a fixed lug 491 and a swinging shaft 492;

The surface of the conveyer belt of the screen belt conveyer 1 is fixedly provided with a plurality of groups of fixed plates 41 which are equidistantly arranged, the surface of the fixed plates 41 is welded with two groups of overturning bases 42, a partition plate 43 is hinged between the two groups of overturning bases 42, a torsion spring I421 is buckled between the partition plate 43 and the overturning bases 42, a partition magnet I44 is arranged in the partition plate 43, a containing groove matched with the partition magnet I44 is arranged in the partition plate 43, a plurality of groups of springs I441 are fixed between the partition magnet I44 and the partition plate 43, two ends of the tunnel-type refrigerator 2 are welded with wind shields 442 with U-shaped structures, the groove diameter of the wind shields 442 is matched with the size of the partition plate 43, the partition plate 43 and the partition magnet I44 can pass through, partition bases 45 are symmetrically welded on two sides of the inside of the tunnel-type refrigerator 2, the inside both sides symmetry of cut off seat 45 are fixed with fixed disk 46, be fixed with tilting shaft 47 between two sets of fixed disk 46, tilting shaft 47's surface both ends symmetry hinge have swing and dial board 48, be provided with semi-circular structure's swing ring seat 481 between swing dial board 48 and the fixed disk 46, and swing ring seat 481 is fixed in the surface of fixed disk 46, swing slider 482 is connected with to the inside sliding connection of swing ring seat 481, and swing slider 482 and swing dial board 48 fixed connection, swing slider 482's both sides symmetry is fixed with spring two 483, and the other end and the swing ring seat 481 of spring two 483 are connected, be fixed with swing shaft 492 between two sets of swing dial boards 48, swing shaft 492's surface both ends symmetry is fixed with fixed ear 491, and fixed ear 491 and cut off magnet two 49 fixed connection, cut off magnet two 49's adjacent one side's of magnet 44 magnetic pole is opposite.

The feeding end of the screen belt conveyor 1 is provided with a self-opening blanking assembly 5, and the self-opening blanking assembly 5 comprises a supporting frame 51, a feeding hopper 52, a fixing frame 53, a material blocking turning plate 54, a swinging bracket 55, a rotating shaft 551, a swinging rod 56, a connecting rod 561, a connecting plate 562, a positioning block 563, a spring III 564, a positioning sleeve 565, a pushing magnet 57, a moving seat 58 and a supporting rod 59;

The surface of a windshield 442 positioned at one side of a feeding end of the screen belt conveyor 1 is welded with a supporting frame 51, one side of the supporting frame 51 is fixed with a feeding hopper 52, two groups of material blocking turning plates 54 are hinged between the two groups of supporting frames 53, two opposite sides of the two groups of supporting frames 53 are symmetrically welded with a swinging bracket 55, the inside of the swinging bracket 55 is hinged with a rotating shaft 551, the surface of the rotating shaft 551 is fixed with a swinging rod 56, one end of the swinging rod 56 is hinged with a connecting rod 561, the surface of the connecting rod 561 is sleeved with a positioning sleeve 565, the positioning sleeve 565 is welded on the surface of the windshield 442, a through groove matched with the connecting rod 561 is formed in the positioning sleeve 565, the bottom end of the connecting rod 561 is fixed with a pushing magnet 57, the magnetic poles of the pushing magnet 57 on the side adjacent to the first partition magnet 44 are the same, the other end of the swinging rod 56 is hinged with a connecting plate 562, the surface of the connecting plate 562 is fixed with a movable seat 58, two sides of the movable seat 58 are symmetrically hinged with a spreading rod 59, the other end of the spreading rod 59 is hinged with the material blocking turning plates 54, one side of the movable seat 58 is fixed with a positioning block 563, the inside of the feeding hopper 52 is provided with a positioning groove matched with the positioning groove 563, and the positioning groove is connected with the positioning groove 564 through the positioning groove 52 and the positioning groove 564, and the positioning groove is fixedly connected with the feeding hopper 52.

The self-locking distance detecting component 6 is arranged above the screen belt conveyor 1, and the self-locking distance detecting component 6 comprises a locking frame 61, an electric push rod 62, a locking ratchet 63, a locking pawl 64, a positioning shaft 65, a torsion spring II 66, a distance measuring sleeve 67, a pressure sensor 68, a spring IV 681 and a distance measuring probe 69;

The swing bracket 55 is symmetrically welded with a locking frame 61 on both sides, an electric push rod 62 is fixed in the locking frame 61, a locking pawl 64 is arranged under the electric push rod 62, a locking ratchet 63 is connected to the end of the locking pawl 64, the locking ratchet 63 is fixed on the surface of a rotating shaft 551, a positioning shaft 65 is fixed in the locking pawl 64, the positioning shaft 65 is hinged in the locking frame 61, a torsion spring II 66 is buckled between the locking pawl 64 and the locking frame 61, two groups of ranging sleeves 67 are fixed on the surface of a material blocking turning plate 54 far away from one side of the supporting frame 51, a pressure sensor 68 is connected in a sliding manner in the ranging sleeves 67, four springs 681 are fixed between the pressure sensor 68 and the ranging sleeves 67, a ranging probe 69 is fixed at the end of the pressure sensor 68, the end of the ranging probe 69 is of a hemispherical convex structure, and the pressure sensor 68 is electrically connected with the electric push rod 62.

When food is required to be frozen, firstly, the food to be frozen is poured into the interior of the feed hopper 52, then the tunnel freezer 2 and the silk screen belt conveyor 1 are started, the silk screen belt conveyor 1 can drive the multiple groups of fixing plates 41 to synchronously operate, and further drive the partition plate 43 and the partition magnet 44 therein to move along the surface of the silk screen belt conveyor 1, when any group of partition magnets 44 move below the pushing magnet 57, the pushing magnet 57 is subjected to the pushing force of the partition magnet 44 to move upwards due to the fact that the magnetic poles of the partition magnet 44 and the pushing magnet 57 are the same, and then the connecting rod 561 is driven to slide in the positioning sleeve 565, so that one end of the pushing swinging rod 56 moves, namely, the rotating shaft 551 is driven to rotate in the swinging bracket 55, along with the overturning of the swinging rod 56, the connecting plate 562 can be driven to move towards one side far away from the pushing magnet 57, the movable seat 58 is driven to synchronously move on the surface of the feeding hopper 52, the movable seat 58 is driven to move, the positioning block 563 can be driven to slide in the positioning groove formed in the feeding hopper 52, the stretching spring III 564 is deformed and generates elastic force, the stretching rod 59 can be driven to move, the blocking plate 54 can be pushed to overturn around the end of the fixing frame 53 through the movement of the stretching rod 59, the blocking of the feeding hopper 52 can be relieved, automatic feeding of foods is realized, manual feeding is not needed, the manual labor intensity is reduced, the operation of the silk-screen belt conveyor 1 is matched, the dropped foods can be uniformly and quantitatively distributed on the surface of the silk-screen belt conveyor 1, the accumulation among a plurality of foods is avoided, the foods can be ensured to be sufficiently frozen, improving the freezing effect of the food.

The rotation of the rotation shaft 551 can drive the locking ratchet 63 to synchronously rotate, along with the rotation of the locking ratchet 63, the locking pawl 64 can slide clockwise along the tooth back on the surface of the locking ratchet 63, when the rotation shaft 551 and the locking ratchet 63 stop rotating, the locking pawl 64 can be clamped in the ratchet groove of the locking ratchet 63, the locking ratchet 63 can be locked, through the locking of the locking ratchet 63, the rotation shaft 551 and the swinging rod 56 can be locked in the swinging bracket 55, therefore, the position of the movable seat 58 can also be locked on the surface of the feeding hopper 52, the material blocking flap 54 is always in an unfolding state, continuous blanking is realized, during the period, along with the operation of the silk-screen belt conveyor 1, the following fixed plate 41 and the blocking plate 43 can be driven to move towards one side of the material blocking flap 54, after the moving blocking plate 43 contacts the surface of the ranging probe 69, the distance measuring probe 69 can be pushed to drive the pressure sensor 68 to slide in the distance measuring sleeve 67, the spring four 681 is further extruded to deform and generate elastic force, the pressure sensor 68 can be pressed to generate piezoelectric signals through the elastic force of the spring four 681, when the pressure received by the pressure sensor 68 reaches a threshold value, the piezoelectric signals generated by the pressure sensor 68 are converted into control electric signals to be sent to a controller (not shown in the figure), then the controller can start the electric push rod 62, one end of the locking pawl 64 can be pushed to move through the extension of the electric push rod 62, the positioning shaft 65 is driven to rotate in the locking frame 61, the torsion spring two 66 is forced to deform and generate elastic force until the other end of the locking pawl 64 is separated from a ratchet groove of the locking ratchet 63, and locking of the locking ratchet 63 and the rotating shaft 551 can be released, then under the influence of the resilience force of the spring III 564 and the gravity of the pushing magnet 57, the movable seat 58 and the swinging rod 56 can be driven to reset, the supporting rod 59 and the material blocking turning plate 54 are driven to reset, the blocking of the feeding hopper 52 is realized, the food can not fall down any more, and the discharging can be automatically stopped, so that the condition that the food continuously falls down to the surface of the partition plate 43 which is subsequently conveyed to cause the food to splash and spill and waste is avoided, the intermittent discharging is realized, the food uniformly and intensively falls between the two groups of partition plates 43, and the effect of food discharging transportation is improved.

When any one of the partition plates 43 moves to the end of the windshield 442, the first partition magnet 44 in the partition plate can be tightly attached to the inner wall of the windshield 442 to slide, at this time, the inlet and outlet ports of the tunnel freezer 2 can be blocked, so that the sealing performance of the tunnel freezer 2 can be improved while the inlet and outlet are not blocked, the excessive loss of cold air caused by excessive exposure of the opening is prevented, the problem of energy waste is avoided, the loss of cold air is reduced, the freezing effect is improved, after the first partition magnet 44 moves out of the windshield 442, the first partition magnet 44 and the second partition magnet 49 can be mutually adsorbed and close under the action of magnetic force between the first partition magnet 44 and the second partition magnet 49, the first partition magnet 44 slides in the partition plate 43, the first extension spring 441 deforms and generates elastic force, and the lengths of the first partition plate 43 and the first partition magnet 44 can be extended, the first partition magnet 44 is always attached to the surface of the second partition magnet 49 in the moving process, and along with the movement of the first partition magnet 44, the position between the first partition magnet 44 and the second partition magnet 49 changes, under the cooperation of the fixed plate 41 and the overturning foot seat 42, the angle of the first partition plate 43 on the surface of the fixed plate 41 is overturned, so that the first torsion spring 421 is forced to deform and generate elastic force, the angle of the second partition magnet 49 inside the partition seat 45 is correspondingly changed, the fixed lug 491 and the swinging shaft 492 can be driven to synchronously overturn through the movement of the second partition magnet 49, the swinging shifting plate 48 and the overturning shaft 47 are driven to rotate between the two groups of fixed discs 46, and then the swinging sliding block 482 can be driven to slide inside the swinging ring seat 481 through the rotation of the swinging shifting plate 48, so that the second spring 483 is forced to deform and generate elastic force, through the mutual laminating of cut off magnet one 44 and cut off magnet two 49, can carry out the shutoff to its port department in tunnel type refrigerator 2's inside, further reduce the cold air of tunnel type refrigerator 2 inside cavity and leak, greatly reduced the speed that the cold air was revealed, thereby can avoid a large amount of cold air's loss, the cold air has been saved to a certain extent, the energy consumption of tunnel type refrigerator 2 has also been reduced simultaneously, it is more energy-conserving, and food equipartition stand around freezing is placed between arbitrary two sets of partition plates 43, when the food business turn over tunnel type refrigerator 2 inside around freezing, the food can not produce the contact and wipe, consequently, can not cause the damage to the surface of food, guarantee the appearance quality after the food is frozen.

Finally, it should be noted that: the above is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that the present invention is described in detail with reference to the foregoing embodiments, and modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A food freezing device comprises a silk screen belt conveyor (1), a tunnel type refrigerator (2) fixed on the surface of the silk screen belt conveyor (1) and a freezing fan set (3) fixed inside the tunnel type refrigerator (2);

The method is characterized in that: a cold escape prevention isolation assembly (4) is arranged between the wire mesh belt conveyor (1) and the tunnel type refrigerator (2), and the cold escape prevention isolation assembly (4) comprises a fixed plate (41), a turnover foot seat (42), a partition plate (43), a first partition magnet (44), a partition seat (45), a fixed plate (46), a turnover shaft (47), a swinging shifting plate (48) and a second partition magnet (49) which are used for partitioning and reducing cold air loss in the tunnel type refrigerator (2);

the conveyer belt surface fixing device of the silk-screen belt conveyer (1) is characterized in that a fixing plate (41) is fixed on the surface of the conveyer belt of the silk-screen belt conveyer (1), two groups of overturning bases (42) are welded on the surface of the fixing plate (41), partition plates (43) are hinged between the two groups of overturning bases (42), partition magnets I (44) are arranged in the partition plates (43), partition bases (45) are symmetrically welded on two sides of the inside of the tunnel freezer (2), fixing plates (46) are symmetrically fixed on two sides of the inside of the partition bases (45), a turnover shaft (47) is fixed between the two groups of fixing plates (46), swing shifting plates (48) are symmetrically hinged to two ends of the surface of the turnover shaft (47), and partition magnets II (49) are arranged below the swing shifting plates (48);

The cold escape prevention isolation assembly (4) further comprises a swing ring seat (481), a swing sliding block (482) and a second spring (483);

A swinging ring seat (481) with a semicircular structure is arranged between the swinging shifting plate (48) and the fixed disc (46), the swinging ring seat (481) is fixed on the surface of the fixed disc (46), a swinging sliding block (482) is connected in the swinging ring seat (481) in a sliding manner, the swinging sliding block (482) is fixedly connected with the swinging shifting plate (48), a second spring (483) is symmetrically fixed on two sides of the swinging sliding block (482), and the other end of the second spring (483) is connected with the swinging ring seat (481);

a torsion spring I (421) is buckled between the partition plate (43) and the turnover foot seat (42), a plurality of groups of springs I (441) are fixed between the partition magnet I (44) and the partition plate (43), and wind shields (442) with U-shaped structures are welded at two ends of the tunnel type refrigerator (2);

A swinging shaft (492) is fixed between the two groups of swinging shifting plates (48), fixing lugs (491) are symmetrically fixed at two ends of the surface of the swinging shaft (492), the fixing lugs (491) are fixedly connected with a second isolating magnet (49), and the magnetic poles of the second isolating magnet (49) and the adjacent side of the first isolating magnet (44) are opposite;

When any one of the partition plates (43) moves to the end of the windshield (442), the partition magnet (44) in the partition plate can be tightly attached to the inner wall of the windshield (442) to slide, at the moment, the inlet and outlet ports of the tunnel refrigerator (2) can be blocked, after the partition magnet (44) moves out of the windshield (442), the partition magnet (44) and the partition magnet (49) can be mutually attracted to be close under the action of magnetic force between the partition magnet (44) and the partition magnet (49), the partition magnet (44) slides in the partition plate (43), the first extension spring (441) deforms and generates elastic force, the partition magnet (43) and the partition magnet (44) can be extended to be attached to the surface of the partition magnet (49) all the time, and along with the movement of the partition magnet (44), the position between the partition magnet (44) and the partition magnet (49) can change, under the cooperation of the fixed plate (41) and the turnover foot rest (42), the corresponding angle of the partition magnet (41) can be changed, and the torsion spring (41) can be deformed and the corresponding angle of the partition magnet (49) can be changed in the inner part of the partition magnet (49), can drive fixed ear (491) and oscillating axle (492) upset in step, and then drive swing and dial board (48) and upset axle (47) and rotate between two sets of fixed disks (46), again by the rotation of swing and dial board (48), can drive swing slider (482) and slide in the inside of swing ring seat (481), and then force spring two (483) to take place deformation and produce elasticity, laminating each other through separating magnet one (44) and separating magnet two (49), can carry out the shutoff to its port department in the inside of tunnel freezer (2).

2. The food freezing apparatus according to claim 1, wherein: the automatic feeding and discharging device is characterized in that a self-opening discharging assembly (5) is arranged at the feeding end of the silk screen belt conveyor (1), and the self-opening discharging assembly (5) comprises a supporting frame (51), a feeding hopper (52), a fixing frame (53), a material blocking turning plate (54), a swinging bracket (55), a swinging rod (56), a pushing magnet (57), a moving seat (58) and a supporting rod (59) which are used for automatically discharging food to be frozen;

The surface of the windshield (442) positioned at one side of the feeding end of the screen belt conveyor 1 is welded with a supporting frame (51), one side of the supporting frame (51) is fixedly provided with a feed hopper (52), two sides of the surface of the feed hopper (52) are symmetrically welded with a fixing frame (53), two groups of baffle plates (54) are hinged between the fixing frames (53), two groups of opposite sides of the fixing frames (53) are symmetrically welded with a swinging bracket (55), the inside of the swinging bracket (55) is provided with a swinging rod (56), one end bottom of the swinging rod (56) is provided with a pushing magnet (57), the other end bottom of the swinging rod (56) is provided with a moving seat (58), two sides of the moving seat (58) are symmetrically hinged with a spreading rod (59), and the other end of the spreading rod (59) is hinged with the baffle plates (54).

A rotating shaft (551) is hinged in the swinging bracket (55), the swinging rod (56) is fixed on the surface of the rotating shaft (551), and the magnetic poles of the pushing magnet (57) and the side adjacent to the isolating magnet I (44) are the same;

the self-opening blanking assembly (5) further comprises a connecting rod (561), a connecting plate (562), a positioning block (563), a spring III (564) and a positioning sleeve (565);

One end of the swinging rod (56) is hinged with a connecting rod (561), a locating sleeve (565) is sleeved on the surface of the connecting rod (561), the locating sleeve (565) is welded on the surface of a windshield (442), a through groove matched with the connecting rod (561) is formed in the locating sleeve (565), the pushing magnet (57) is fixed at the bottom end of the connecting rod (561), the other end of the swinging rod (56) is hinged with a connecting plate (562), the movable seat (58) is fixed on the surface of the connecting plate (562), a locating block (563) is fixed on one side of the surface of the movable seat (58), a locating groove matched with the locating block (563) is formed in the interior of the feed hopper (52), the movable seat (58) is slidably connected with the feed hopper (52) through the locating block (563), and a spring III (564) is fixed between the locating block (563) and the feed hopper (52);

The food to be frozen is poured into the hopper (52), then the tunnel freezer (2) and the silk screen belt conveyor (1) are started, a plurality of groups of fixing plates (41) can be driven to synchronously operate through the operation of the silk screen belt conveyor (1), then the partition plate (43) and the partition magnet (44) in the partition plate are driven to move along the surface of the silk screen belt conveyor (1), when any group of partition magnet I (44) moves below the pushing magnet (57), as the magnetic poles of the partition magnet I (44) and the pushing magnet (57) are the same, the pushing magnet (57) is pushed by the pushing force of the partition magnet I (44) to move upwards, then the connecting rod (561) is driven to slide in the positioning sleeve (565), one end of the pushing swinging rod (56) can be driven to rotate in the swinging bracket (55), the connecting plate (562) can be driven to move towards one side far away from the pushing magnet (57) along with the overturning of the swinging rod (56), then the moving seat (58) is driven to move on the surface of the hopper (52) synchronously, the moving seat (58) can be driven to move in the stretching groove (563) can be deformed in the interior of the hopper (52), the opening rod (59) can be driven to move, the material blocking turning plate (54) can be pushed to turn around the end of the fixing frame (53) through the movement of the opening rod (59), and the blocking of the feeding hopper (52) can be relieved, so that the automatic discharging of food is realized.

3. The food freezing apparatus according to claim 2, wherein: the automatic locking distance detecting assembly (6) is arranged above the silk screen belt conveyor (1), and the automatic locking distance detecting assembly (6) comprises a locking frame (61), an electric push rod (62), a locking ratchet wheel (63), a locking pawl (64), a positioning shaft (65) and a torsion spring II (66) which are used for controlling the opening and closing of the material blocking turning plate (54);

The locking device is characterized in that locking frames (61) are symmetrically welded on two sides of the swing support (55), an electric push rod (62) is fixed in each locking frame (61), a locking pawl (64) is arranged right below each electric push rod (62), a locking ratchet wheel (63) is connected to one end of each locking pawl (64), a positioning shaft (65) is fixed in each locking pawl (64), the positioning shafts (65) are hinged to the inside of each locking frame (61), and a torsion spring II (66) is buckled between each locking pawl (64) and each locking frame (61);

Through the rotation of rotation axis (551), can drive locking ratchet (63) synchronous revolution, along with the rotation of locking ratchet (63), can make locking pawl (64) clockwise slip along the tooth back on locking ratchet (63) surface, when rotation axis (551) and locking ratchet (63) stop rotating, locking pawl (64) can block the inside ratchet groove of locking ratchet (63), can lock locking ratchet (63), through the locking of locking ratchet (63), can make rotation axis (551) and swinging arms (56) lock in the inside of swinging arms (55), consequently the position of movable seat (58) also can lock on the surface of feeder hopper (52), make keep off material and turn over board (54) and be in the state of expanding all the time, realize lasting unloading.

4. A food freezing apparatus according to claim 3, wherein: the self-locking distance detection assembly (6) further comprises a distance measurement sleeve (67), a pressure sensor (68) and a distance measurement probe (69);

a ranging sleeve (67) is fixed on the surface of the material blocking turning plate (54), a pressure sensor (68) is connected inside the ranging sleeve (67) in a sliding mode, and a ranging probe (69) is fixed at the end of the pressure sensor (68);

A spring IV (681) is fixed between the pressure sensor (68) and the ranging sleeve (67), and the pressure sensor (68) is electrically connected with the electric push rod (62);

With the operation of the silk-screen belt conveyor (1), the subsequent fixing plate (41) and the partition plate (43) can be driven to move towards one side of the material blocking turning plate (54), after the moving partition plate (43) contacts the surface of the ranging probe (69), the ranging probe (69) can be pushed to drive the pressure sensor (68) to slide in the ranging sleeve (67), the spring IV (681) is further extruded to deform and generate elastic force, the pressure sensor (68) can be pressed to generate piezoelectric signals through the elastic force of the spring IV (681), when the pressure received by the pressure sensor (68) reaches a threshold value, the piezoelectric signals generated by the pressure sensor (68) can be converted into control electric signals to be sent to the controller, then the controller can start the electric push rod (62), one end of the locking pawl (64) can be pushed to move through the extension of the electric push rod (62), the positioning shaft (65) is driven to rotate in the locking frame (61), the second (66) is forced to deform and generate elastic force until the other end of the locking pawl (64) is separated from the locking ratchet (63), namely the locking pawl (63) can be released from the elastic force of the swinging seat (564) and the swinging seat (56) can be released from the locking pawl (56), and then drive and prop open pole (59) and keep off material and turn over board (54) and reset, realize the shutoff to feeder hopper (52) for food no longer falls, can automatic stop the blowing.