CN108308513B - Thawing device and thawing method for food detection - Google Patents
Thawing device and thawing method for food detection Download PDFInfo
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- CN108308513B CN108308513B CN201810175947.4A CN201810175947A CN108308513B CN 108308513 B CN108308513 B CN 108308513B CN 201810175947 A CN201810175947 A CN 201810175947A CN 108308513 B CN108308513 B CN 108308513B
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
- A23L3/36—Freezing; Subsequent thawing; Cooling
- A23L3/365—Thawing subsequent to freezing
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Abstract
The invention discloses a thawing device and a thawing method for food detection, and aims to overcome the defects that thawing equipment for food detection is low in food thawing speed, poor in thawing effect and inconvenient in food detection. The device comprises an ice crushing groove, a material shaking plate and a thawing water groove, wherein the lower end of the ice crushing groove is hinged with a discharging cover capable of being opened downwards, an ejection ice crushing mechanism is arranged above the ice crushing groove, a plurality of sieve pores are densely distributed on the material shaking plate, the material shaking plate is obliquely arranged below the discharging cover, a shaking mechanism for driving the material shaking plate to shake is arranged below the material shaking plate, a water bath thawing conveying belt, a hot air thawing conveying belt and a hot air blower are arranged in the thawing water groove, the water bath thawing conveying belt is arranged close to the middle part and is arranged in the thawing water groove, and a temperature sensor and a plurality of one-way blowing heads are arranged on the bottom; a first-stage hot air unfreezing device, a second-stage hot air unfreezing device, a third-stage hot air unfreezing device and a material taking mechanism are sequentially arranged above the hot air unfreezing conveying belt.
Description
Technical Field
The invention relates to a food detection unfreezing technology, in particular to a unfreezing device and a unfreezing method for food detection.
Background
The cold chain fast food is widely supplied to occasions such as airplanes, high-speed rails, convenience stores and the like, and the cold chain fast food only needs to be heated when being eaten, so that the method is very convenient and fast. In order to ensure the safety of food, the food raw materials need to be detected by indexes such as bacteria, microorganisms and metal contents, many food raw materials need to be stored in a frozen mode and need to be thawed before detection, common thawing methods comprise natural thawing, water bath thawing, microwave thawing and the like, the natural thawing and water bath thawing speed is low, the thawing effect is poor, and the microwave thawing easily destroys the internal structure of the food, so that the quality of the food is influenced. Therefore, the food thawing method commonly used at present is inconvenient for food detection.
Chinese patent publication No. CN107314931A discloses a food detects uses thawing apparatus, including bottom plate, first branch, second branch, placer and thawing device, bottom plate top left side bilateral symmetry is equipped with first branch, and bottom plate top right side bilateral symmetry is equipped with second branch, and first branch top is equipped with placer, and second branch top is equipped with thawing device, and placer is in thawing device's left. According to the food unfreezing device, food can be placed better through the placing device, wind blows into the box body through the first through hole, unfrozen and melted water can be discharged from the box body through the water outlet pipe, the cylinder body is driven to move left and right through the matching of the sliding rail and the sliding block, the unfreezing speed of the food is adjusted, and the food unfreezing device is simpler to operate. However, the unfreezing equipment for food detection has low unfreezing speed and poor unfreezing effect on food, and is inconvenient for food detection.
Disclosure of Invention
The invention overcomes the defects that the unfreezing equipment for food detection has low unfreezing speed on food, poor unfreezing effect and is inconvenient for food detection, and provides the unfreezing device and the unfreezing method for food detection.
In order to solve the technical problems, the invention adopts the following technical scheme: a food detection thawing device comprises an ice crushing groove, a material shaking plate and a thawing water groove, wherein the lower end of the ice crushing groove is hinged with a discharging cover capable of being opened downwards, an ejection ice crushing mechanism is installed above the ice crushing groove, a plurality of ejection rods arranged towards the discharging cover are arranged on the ejection ice crushing mechanism, a plurality of sieve holes are densely distributed on the material shaking plate, the material shaking plate is obliquely arranged below the discharging cover, a shaking mechanism for driving the material shaking plate to shake is installed below the material shaking plate, a water bath thawing conveying belt, a hot air thawing conveying belt and a hot air blower are installed in the thawing water groove, one end of the water bath thawing conveying belt is arranged below the lower end of the material shaking plate, the middle part of the thawing conveying belt is arranged in the thawing water groove, a temperature sensor and a plurality of unidirectional blowing heads are installed on the bottom surface of the thawing water groove, and the unidirectional blowing heads are all; the hot-blast conveyer belt top of unfreezing of hot-blast has installed one-level hot-blast unfreezing ware, second grade hot-blast unfreezing ware, tertiary hot-blast unfreezing ware, feeding agencies in proper order, and one-level hot-blast unfreezing ware, second grade hot-blast unfreezing ware, tertiary hot-blast unfreezing ware all blow hot-blast and hot-blast temperature to the hot-blast conveyer belt of unfreezing and reduce in proper order, are close to feeding.
When the unfreezing device for food detection works, firstly, frozen food raw materials are loaded into an ice crushing groove, then an ejection ice crushing mechanism is started, an ejection rod is ejected to impact the food raw materials in the ice crushing groove to eject and impact the food raw materials to crush ice, after the food raw materials are ejected and impacted to crush ice for a plurality of times, a discharging cover is downwards opened, the food raw materials subjected to ice crushing fall onto a material shaking plate, and the food raw materials fall and impact the material shaking plate to further crush ice; secondly, starting a shaking mechanism below the material shaking plate to shake the material shaking plate up and down, so that the food raw materials slide onto a water bath thawing conveyor belt from the lower end, and meanwhile, scattered crushed ice and water fall off from sieve holes on the material shaking plate; thirdly, conveying the food raw materials on a water bath unfreezing conveying belt and passing through a water bath in a unfreezing water tank, enabling a hot air blower to work and blow hot air into the unfreezing water tank through a one-way blowing head, forming bubbles in the water bath in the unfreezing water tank to heat the water bath so as to accelerate the unfreezing of the food raw materials, adjusting the air quantity and the temperature of the hot air blower according to the temperature detected by a temperature sensor in the unfreezing water tank, and then enabling the food raw materials to leave the water bath unfreezing conveying belt and slide onto the hot air; fourthly, the food raw materials are unfrozen by hot air along with a hot air unfreezing conveying belt sequentially through a primary hot air unfreezing device, a secondary hot air unfreezing device and a tertiary hot air unfreezing device, and the hot air unfreezing temperature is sequentially reduced; and fifthly, sampling the food raw materials thawed by the hot air on the hot air thawing conveyor belt by the material taking mechanism, and allowing the redundant food raw materials to fall into a discharge chute.
The frozen food raw materials are unfrozen before detection, and during unfreezing, the food raw materials are ejected and impacted to be crushed into ice through an ejection rod on an ejection ice crushing mechanism in an ice crushing groove, so that the frozen food raw materials which are caked are crushed into small blocks, and subsequent unfreezing is facilitated. Tremble the setting of flitch and pass through the sieve mesh with the garrulous ice and reject, further tremble the breakage to the frozen food raw materials of fritter simultaneously, be convenient for unfreeze. The frozen food raw material is unfrozen in a water bath through the unfreezing water tank, hot air is blown into the unfreezing water tank through the one-way blowing head in the unfreezing process, and bubbles are formed in the water bath in the unfreezing water tank to heat the water bath and accelerate the unfreezing of the food raw material. Food raw materials on the hot air unfreezing conveying belt are basically unfrozen, and then are subjected to hot air unfreezing through the primary hot air unfreezing device, the secondary hot air unfreezing device and the tertiary hot air unfreezing device, so that the food raw materials are completely unfrozen without damaging the quality of food, and finally sampling detection is carried out through the material taking mechanism. The food detection thawing device has the advantages of high food thawing speed, good thawing effect and convenience in food detection.
As preferred, launch trash ice mechanism and include the mount pad, the roof, the trash ice motor, the deflector, be equipped with the mounting hole that a plurality of and ejection rod one-to-one set up on the mount pad, ejection rod upper end all connects on the roof, the mounting hole is stretched out respectively to ejection rod lower extreme, it is equipped with the trash ice spring all to overlap on the ejection rod, trash ice spring coupling is between roof and mounting hole, the expansion plate of rectangular shape is installed to the roof side, install the butt spring between expansion plate and the roof, the deflector is installed in the top of expansion plate and can promote the expansion plate and return to the roof and contract, trash ice motor output shaft has the eccentric wheel, the eccentric wheel is kept away from trash ice motor end and is equipped with the promotion head of buckling to the expansion plate, promote head tip butt on the expansion plate.
Ejecting garrulous ice mechanism during operation, the garrulous ice motor starts to drive the eccentric wheel and rotates, the promotion head on the eccentric wheel makes the roof reach highest position with the roof jack-up that makes progress from down up the pivoted in-process, the expansion plate butt is to reaching the deflector when the roof will reach highest position on, the expansion plate retracts to the roof direction under the effect of deflector, thereby make promotion head and expansion plate separation, the roof is ejected downwards under the effect of garrulous ice spring this moment, thereby make the ejection pole lower extreme eject downwards and strike freezing food raw materials and launch the striking garrulous ice, the frozen food raw materials who makes the caking break into the fritter. When the top plate moves downwards to the lowest position, the expansion plate extends outwards under the action of the abutting spring, and the pushing head rotates to abut against the lower surface of the expansion plate to jack the top plate upwards at the moment so as to perform the next ejecting ice crushing action. After the ice crushing action is repeated for a plurality of times, the ice crushing motor is stopped, and the discharging cover is opened downwards, so that the food raw materials after the ice crushing fall onto the material shaking plate.
Preferably, the upper surface of the discharging cover is provided with a plurality of bulges, and the bulges are of an outward convex arc structure. The protruding arrangement is favorable for improving the ejecting impact ice crushing effect of the ejection rod on the frozen food raw material.
Preferably, the shaking mechanism comprises a shaking motor, a cam, a plurality of positioning columns connected to the shaking plate, a plurality of supports arranged in one-to-one correspondence with the positioning columns, shaking springs are sleeved on the positioning columns and connected between the shaking plate and the supports, the positioning columns are movably inserted into the supports, the cam is connected to an output shaft of the shaking motor, and the cam abuts against the lower surface of the shaking plate.
When the shaking mechanism works, the shaking motor drives the cam to rotate, the cam is abutted to the lower surface of the shaking plate, and the shaking spring is connected between the shaking plate and the support, so that the shaking plate can shake up and down. The positioning column is movably inserted and arranged on the support to slide up and down in the process of shaking the material shaking plate up and down, so that stable shaking of the material shaking plate is ensured.
Preferably, a plurality of material baffle plates are arranged on the outer surface of the water bath unfreezing conveying belt at equal intervals. The striker plate is arranged to facilitate reliable conveying of food raw materials.
Preferably, the hot air blower comprises a casing, a blower and an electric heating wire, and the electric heating wire is arranged at an air outlet of the blower. The air blown by the blower is heated by the electric heating wire to form hot air, and the hot air is blown into the water bath of the unfreezing water tank through the one-way blowing head for heating and unfreezing.
Preferably, the first-stage hot air unfreezing device, the second-stage hot air unfreezing device and the third-stage hot air unfreezing device respectively comprise a machine body, a blower, an electric heating wire and a temperature sensor, an air inlet of the blower is communicated with an air inlet on the machine body, an air outlet of the blower is communicated with an air outlet on the machine body, the electric heating wire is installed in the machine body and close to the air outlet of the blower, and the temperature sensor is. The air blown by the blower is heated by the electric heating wire to form hot air which is blown to the food raw materials on the hot air unfreezing conveying belt for hot air unfreezing.
Preferably, the material taking mechanism comprises a base, a material taking arm which is installed on the base and can rotate, a material taking seat and a material taking barrel, wherein a lifting piston cylinder is installed at the upper end of the material taking arm, the material taking seat is connected with a telescopic rod of the lifting piston cylinder, a material clamping piston cylinder is installed on the material taking seat, the material taking barrel is installed on the material taking seat, a pushing plug and a material taking clamp which can move axially are installed in the material taking barrel, the upper end of the pushing plug is connected with the telescopic rod of the material clamping piston cylinder, a connecting rod is arranged at the lower end of the pushing plug, the material taking clamp comprises two crossed clamp bodies which are hinged together, a hinged shaft is connected between the two clamp bodies, the hinged shaft is connected to the lower end of the connecting rod, the clamp bodies comprise clamp shells which are of a hemispherical shell structure and clamp handles which are arranged on the clamp shells.
When the material taking mechanism works, the material taking arm rotates to a proper position on the base, the lifting piston cylinder works to lift the material taking seat to the proper position, the material clamping piston cylinder works to push the material taking clamp downwards to the outside of the material taking cylinder, the material taking clamp is opened outwards under the action of the return spring, the lifting piston cylinder continues to push the material taking seat downwards, after the two clamp bodies clamp food materials, the telescopic rod of the material clamping piston cylinder moves upwards to drive the material taking clamp to move upwards so that the material taking clamp retracts into the material taking cylinder, the two clamp bodies approach to each other and are clamped together under the action of the material taking cylinder, and at the moment, the food materials are sampled in the material taking cavity. Then the material taking arm rotates to a detection position, the telescopic rod of the material clamping piston cylinder moves downwards to push the material taking clamp out of the material taking barrel downwards, the material taking clamp is opened outwards under the action of a return spring, and therefore the food raw material sample in the material taking cavity falls to a detection station. The whole sampling process is automatically completed, the operation is convenient, and the secondary pollution is avoided.
As preferred, be equipped with connecting hole and mounting groove on the base, get the material arm lower extreme and be equipped with the pivot, get material arm and go up the pivot upper end and be equipped with the support carousel, install in the mounting groove and get the material motor, the pivot rotates and installs in the connecting hole, gets and installs the drive wheel on the material motor output shaft, drive wheel and support carousel meshing transmission. The material taking motor works to drive the supporting turntable to rotate, so that the material taking arm rotates. The supporting rotary disc not only plays a role in transmission, but also plays a role in stable support of the material taking arm, and the rotating shaft ensures stable rotation of the material taking arm.
A food detection unfreezing method of a unfreezing device comprises the steps that firstly, frozen food raw materials are filled into an ice crushing groove, then an ejection ice crushing mechanism is started, an ejection rod is ejected to impact the food raw materials in the ice crushing groove to eject and impact crushed ice on the food raw materials, after the crushed ice is ejected and impacted for a plurality of times, a discharging cover is downwards opened, the food raw materials subjected to the crushing fall onto a material shaking plate, and the food raw materials fall and impact the material shaking plate to further crush the ice; secondly, starting a shaking mechanism below the material shaking plate to shake the material shaking plate up and down, so that the food raw materials slide onto a water bath thawing conveyor belt from the lower end, and meanwhile, scattered crushed ice and water fall off from sieve holes on the material shaking plate; thirdly, conveying the food raw materials on a water bath unfreezing conveying belt and passing through a water bath in a unfreezing water tank, enabling a hot air blower to work and blow hot air into the unfreezing water tank through a one-way blowing head, forming bubbles in the water bath in the unfreezing water tank to heat the water bath so as to accelerate the unfreezing of the food raw materials, adjusting the air quantity and the temperature of the hot air blower according to the temperature detected by a temperature sensor in the unfreezing water tank, and then enabling the food raw materials to leave the water bath unfreezing conveying belt and slide onto the hot air; fourthly, the food raw materials are unfrozen by hot air along with a hot air unfreezing conveying belt sequentially through a primary hot air unfreezing device, a secondary hot air unfreezing device and a tertiary hot air unfreezing device, and the hot air unfreezing temperature is sequentially reduced; and fifthly, sampling the food raw materials thawed by the hot air on the hot air thawing conveyor belt by the material taking mechanism, and allowing the redundant food raw materials to fall into a discharge chute.
The frozen food raw materials are unfrozen before detection, and during unfreezing, the food raw materials are ejected and impacted to be crushed into ice through an ejection rod on an ejection ice crushing mechanism in an ice crushing groove, so that the frozen food raw materials which are caked are crushed into small blocks, and subsequent unfreezing is facilitated. Tremble the setting of flitch and pass through the sieve mesh with the garrulous ice and reject, further tremble the breakage to the frozen food raw materials of fritter simultaneously, be convenient for unfreeze. The frozen food raw material is unfrozen in a water bath through the unfreezing water tank, hot air is blown into the unfreezing water tank through the one-way blowing head in the unfreezing process, and bubbles are formed in the water bath in the unfreezing water tank to heat the water bath and accelerate the unfreezing of the food raw material. Food raw materials on the hot air unfreezing conveying belt are basically unfrozen, and then are subjected to hot air unfreezing through the primary hot air unfreezing device, the secondary hot air unfreezing device and the tertiary hot air unfreezing device, so that the food raw materials are completely unfrozen without damaging the quality of food, and finally sampling detection is carried out through the material taking mechanism. The unfreezing method of the unfreezing device for food detection has the advantages of high unfreezing speed and good unfreezing effect on food, and is convenient for food detection.
Compared with the prior art, the invention has the beneficial effects that: the unfreezing device and the unfreezing method for food detection have the advantages of high unfreezing speed and good unfreezing effect on food, and are convenient for food detection.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of a take-out mechanism of the present invention;
in the figure: 1. an ice crushing groove, 2, a material shaking plate, 3, a thawing water groove, 4, a discharging cover, 5, an ejection rod, 6, a water bath thawing conveying belt, 7, a hot air thawing conveying belt, 8, a hot air blower, 9, a temperature sensor, 10, a one-way blowing head, 11, a first-level hot air thawing device, 12, a second-level hot air thawing device, 13, a three-level hot air thawing device, 14, a material taking mechanism, 15, a discharging groove, 16, a mounting seat, 17, a top plate, 18, an ice crushing motor, 19, a guide plate, 20, a mounting hole, 21, an ice crushing spring, 22, a telescopic plate, 23, a butt spring, 24, an eccentric wheel, 25, a pushing head, 26, a bulge, 27, a guide wheel, 28, a cam, 29, a positioning column, 30, a support seat, 31, a shaking spring, 32, a pushing piston cylinder, 33, a material blocking plate, 34, a base, 35, a material taking arm, 36, a material taking seat, 37, 39. the material clamping piston cylinder 40, the pushing plug 41, the material taking clamp 42, the connecting rod 43, the clamp body 44, the clamp shell 45, the clamp handle 46, the return spring 47, the material taking cavity 48, the connecting hole 49, the mounting groove 50, the rotating shaft 51, the supporting turntable 52, the material taking motor 53 and the driving wheel.
Detailed Description
The technical scheme of the invention is further described in detail by the following specific embodiments in combination with the attached drawings:
example (b): the utility model provides a food detects uses thawing apparatus (see figure 1, figure 2), including garrulous ice groove 1, tremble material board 2, the basin 3 unfreezes, garrulous ice groove lower extreme articulates there is the lid 4 of unloading that can open downwards, it has push piston cylinder 32 to articulate on the garrulous ice groove outer wall, push piston cylinder telescopic link is connected at the lid edge of unloading, garrulous ice groove top is installed and is launched garrulous ice mechanism, it is equipped with a plurality of orientation and unloads ejection rod 5 that the lid set up to launch garrulous ice mechanism, it is equipped with a plurality of arch 26 on the cover upper surface to unload, the arch is outer convex. Tremble and densely covered a plurality of sieve meshes on the flitch, tremble the slope of material board and set up in the lid below of unloading, tremble the material board below and install the drive and tremble the shake mechanism that the flitch trembled, unfreeze the basin position and install water bath and unfreeze conveyer belt 6, hot-blast conveyer belt 7 that unfreezes, hot-blast blower 8, water bath unfreezes conveyer belt one end and establishes in the below of trembleing the lower end of material board, water bath unfreezes the conveyer belt and is close to the mid portion and establish in the basin that unfreezes, unfreezes the basin bottom surface and installs temperature sensor 9. A plurality of baffle plates 33 are arranged on the outer surface of the water bath unfreezing conveying belt at equal intervals. The hot air blower comprises a casing, a blower and an electric heating wire, wherein the electric heating wire is arranged at the air outlet of the blower. The one-way blowing heads are communicated with the air outlet of the air blower. Guide wheel 27 is installed near the water bath unfreezing conveyer belt intermediate position in the water bath unfreezing water tank, and the auxiliary wheel is installed to the guide wheel both sides in the water bath unfreezing water tank, and guide wheel, auxiliary wheel all with water bath unfreezing conveyer belt adaptation connection, the guide wheel pressfitting is in the water bath unfreezing conveyer belt outside, and the auxiliary wheel supports in the water bath unfreezing conveyer belt inboard, and low both sides are high in the middle of water bath unfreezing conveyer belt. The hot-blast conveyer belt top of unfreezing of hot-blast is installed one-level hot-blast unfreezing ware 11, second grade hot-blast unfreezing ware 12, tertiary hot-blast unfreezing ware 13, feeding agencies 14 in proper order, and one-level hot-blast unfreezing ware, second grade hot-blast unfreezing ware, tertiary hot-blast unfreezing ware all blow hot-blast and hot-blast temperature reduces in proper order to the hot-blast conveyer belt that unfreezes of hot-blast, and the. The one-level hot air unfreezing device, the second-level hot air unfreezing device and the third-level hot air unfreezing device respectively comprise a machine body, a blower, a heating wire and a temperature sensor, wherein an air inlet on an air inlet of the blower and the machine body is communicated with an air outlet on an air outlet of the blower and the machine body, the heating wire is installed in the machine body and close to the air outlet of the blower, and the temperature sensor is installed in. The water bath unfreezing conveying belt and the hot air unfreezing conveying belt are of mesh belt structures.
Ejecting trash ice mechanism includes mount pad 16, roof 17, trash ice motor 18, deflector 19, be equipped with the mounting hole 20 that a plurality of and ejection rod one-to-one set up on the mount pad, ejection rod upper end all connects on the roof, the mounting hole is stretched out respectively to ejection rod lower extreme, ejection rod lower extreme is the hemispherical structure, all the cover is equipped with trash ice spring 21 on the ejection rod, trash ice spring connects between roof and mounting hole, the expansion plate 22 of rectangular shape is installed to the roof side, install butt spring 23 between expansion plate and the roof, the deflector is installed in the top of expansion plate and can promote the expansion plate and retract to the roof, trash ice motor output shaft has eccentric wheel 24, the eccentric wheel is kept away from trash ice motor and is held and is equipped with the promotion head 25 of buckling to the expansion plate, promotion head tip butt is on the expansion plate lower surface. The lower end of the guide plate is obliquely arranged from top to bottom in the direction away from the top plate.
The shaking mechanism comprises a shaking motor, a cam 28, a plurality of positioning columns 29 connected to the shaking plate, a plurality of supports 30 arranged in one-to-one correspondence with the positioning columns, shaking springs 31 are sleeved on the positioning columns and connected between the shaking plate and the supports, the positioning columns are movably inserted into the supports, the shaking motor is connected with the cam through an output shaft, and the cam is abutted to the lower surface of the shaking plate.
The material taking mechanism comprises a base 34, a material taking arm 35 which is installed on the base and can rotate, a material taking seat 36 and a material taking barrel 37, wherein a lifting piston cylinder 38 is installed at the upper end of the material taking arm, the material taking seat is connected with a telescopic rod of the lifting piston cylinder, a material clamping piston cylinder 39 is installed on the material taking seat, the material taking barrel is installed on the material taking seat, a pushing plug 40 and a material taking clamp 41 which can move axially are installed in the material taking barrel, the upper end of the pushing plug is connected with the telescopic rod of the material clamping piston cylinder, a connecting rod 42 is arranged at the lower end of the pushing plug, the material taking clamp comprises two crossed and hinged clamp bodies 43, a hinged shaft is connected between the two clamp bodies, the hinged shaft is connected to the lower end of the connecting rod, the clamp bodies comprise clamp shells 44 which are of a hemispherical shell-shaped structure and clamp handles 45 arranged on the clamp shells, a. Be equipped with connecting hole 48 and mounting groove 49 on the base, get the material arm lower extreme and be equipped with pivot 50, get the material arm and go up the pivot upper end and be equipped with support carousel 51, install in the mounting groove and get material motor 52, the pivot rotates to be installed in the connecting hole, gets and installs drive wheel 53 on the material motor output shaft, drive wheel and support carousel meshing transmission.
A food detection unfreezing method of a unfreezing device comprises the steps that firstly, frozen food raw materials are filled into an ice crushing groove, then an ejection ice crushing mechanism is started, an ejection rod is ejected to impact the food raw materials in the ice crushing groove to eject and impact crushed ice on the food raw materials, after the crushed ice is ejected and impacted for a plurality of times, a discharging cover is downwards opened, the food raw materials subjected to the crushing fall onto a material shaking plate, and the food raw materials fall and impact the material shaking plate to further crush the ice; secondly, starting a shaking mechanism below the material shaking plate to shake the material shaking plate up and down, so that the food raw materials slide onto a water bath thawing conveyor belt from the lower end, and meanwhile, scattered crushed ice and water fall off from sieve holes on the material shaking plate; thirdly, conveying the food raw materials on a water bath unfreezing conveying belt and passing through a water bath in a unfreezing water tank, enabling a hot air blower to work and blow hot air into the unfreezing water tank through a one-way blowing head, forming bubbles in the water bath in the unfreezing water tank to heat the water bath so as to accelerate the unfreezing of the food raw materials, adjusting the air quantity and the temperature of the hot air blower according to the temperature detected by a temperature sensor in the unfreezing water tank, and then enabling the food raw materials to leave the water bath unfreezing conveying belt and slide onto the hot air; fourthly, the food raw materials are unfrozen by hot air along with a hot air unfreezing conveying belt sequentially through a primary hot air unfreezing device, a secondary hot air unfreezing device and a tertiary hot air unfreezing device, and the hot air unfreezing temperature is sequentially reduced; and fifthly, sampling the food raw materials thawed by the hot air on the hot air thawing conveyor belt by the material taking mechanism, and allowing the redundant food raw materials to fall into a discharge chute.
The frozen food raw materials are unfrozen before detection, and during unfreezing, the food raw materials are ejected and impacted to be crushed into ice through an ejection rod on an ejection ice crushing mechanism in an ice crushing groove, so that the frozen food raw materials which are caked are crushed into small blocks, and subsequent unfreezing is facilitated. Tremble the setting of flitch and pass through the sieve mesh with the garrulous ice and reject, further tremble the breakage to the frozen food raw materials of fritter simultaneously, be convenient for unfreeze. The frozen food raw material is unfrozen in a water bath through the unfreezing water tank, hot air is blown into the unfreezing water tank through the one-way blowing head in the unfreezing process, and bubbles are formed in the water bath in the unfreezing water tank to heat the water bath and accelerate the unfreezing of the food raw material. Food raw materials on the hot air unfreezing conveying belt are basically unfrozen, and then are subjected to hot air unfreezing through the primary hot air unfreezing device, the secondary hot air unfreezing device and the tertiary hot air unfreezing device, so that the food raw materials are completely unfrozen without damaging the quality of food, and finally sampling detection is carried out through the material taking mechanism.
The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit of the invention as set forth in the claims.
Claims (9)
1. A thawing device for food detection is characterized by comprising an ice crushing groove, a material shaking plate and a thawing water groove, wherein the lower end of the ice crushing groove is hinged with a discharging cover capable of being opened downwards, an ejection ice crushing mechanism is mounted above the ice crushing groove, a plurality of ejection rods arranged towards the discharging cover are arranged on the ejection ice crushing mechanism, a plurality of sieve holes are densely distributed on the material shaking plate, the material shaking plate is obliquely arranged below the discharging cover, a shaking mechanism for driving the material shaking plate to shake is mounted below the material shaking plate, a water bath thawing conveying belt, a hot air thawing conveying belt and a hot air blower are mounted in the thawing water groove, one end of the water bath thawing conveying belt is arranged below the lower end of the material shaking plate, the middle part of the water bath thawing conveying belt is arranged in the water groove, a temperature sensor and a plurality of one-way blowing heads are mounted on the bottom surface of the thawing water groove, and the; a primary hot air unfreezing device, a secondary hot air unfreezing device, a tertiary hot air unfreezing device and a material taking mechanism are sequentially arranged above the hot air unfreezing conveying belt, the primary hot air unfreezing device, the secondary hot air unfreezing device and the tertiary hot air unfreezing device all blow hot air to the hot air unfreezing conveying belt, the temperature of the hot air is sequentially reduced, and a discharging chute is arranged below the end part of the hot air unfreezing conveying belt close; the upper surface of the discharging cover is provided with a plurality of bulges, and the bulges are of an outer convex arc structure.
2. The unfreezing device for food detection as claimed in claim 1, wherein the ejection ice crushing mechanism comprises a mounting seat, a top plate, an ice crushing motor and a guide plate, a plurality of mounting holes are formed in the mounting seat and are arranged in one-to-one correspondence with the ejection rods, the upper ends of the ejection rods are connected to the top plate, the lower ends of the ejection rods respectively extend out of the mounting holes, ice crushing springs are sleeved on the ejection rods and are connected between the top plate and the mounting holes, elongated expansion plates are mounted on the side edges of the top plate, abutting springs are mounted between the expansion plates and the top plate, the guide plate is mounted above the expansion plates and can push the expansion plates to retract towards the top plate, an eccentric wheel is connected to an output shaft of the ice crushing motor, a pushing head bent towards the expansion plates is arranged at the end of the eccentric wheel far away from the ice crushing.
3. The thawing apparatus for food detection according to claim 1, wherein the shaking mechanism comprises a shaking motor, a cam, a plurality of positioning pillars connected to the shaking plate, a plurality of supports arranged in one-to-one correspondence with the positioning pillars, shaking springs are sleeved on the positioning pillars, the shaking springs are connected between the shaking plate and the supports, the positioning pillars are movably inserted on the supports, the shaking motor outputs the shaft to the cam, and the cam abuts against the lower surface of the shaking plate.
4. The thawing apparatus for food inspection according to claim 1, wherein a plurality of striker plates are provided on the outer surface of the water bath thawing conveyor belt at equal intervals.
5. The thawing apparatus for food inspection according to claim 1, wherein the hot air blower comprises a housing, a blower, and a heating wire installed at an outlet of the blower.
6. The thawing apparatus for food detection according to claim 1, wherein each of the primary, secondary, and tertiary hot air defrosters comprises a body, a blower, a heater wire, and a temperature sensor, wherein an air inlet of the blower communicates with an air inlet of the body, an air outlet of the blower communicates with an air outlet of the body, the heater wire is installed in the body near the air outlet of the blower, and the temperature sensor is installed at the air outlet of the body.
7. The thawing apparatus for food detection according to any one of claims 1 to 6, wherein the material taking mechanism comprises a base, a material taking arm rotatably mounted on the base, the material taking seat is connected with a telescopic rod of the lifting piston cylinder, the material taking piston cylinder is installed on the material taking seat, the material taking cylinder is installed on the material taking seat, an axially movable pushing plug and a material taking clamp are installed in the material taking cylinder, the upper end of the pushing plug is connected with the telescopic rod of the material taking piston cylinder, a connecting rod is arranged at the lower end of the pushing plug, the material taking clamp comprises two crossed and hinged clamp bodies, a hinged shaft is connected between the two clamp bodies, the hinged shaft is connected to the lower end of the connecting rod, the clamp bodies comprise clamp shells in hemispherical shell structures and clamp handles arranged on the clamp shells, a return spring is installed between the two clamp handles, and opening edges of the two clamp shells are covered together to form a material taking cavity.
8. The thawing apparatus for food detection as claimed in claim 7, wherein the base is provided with a connecting hole and a mounting groove, the lower end of the material taking arm is provided with a rotating shaft, the upper end of the rotating shaft on the material taking arm is provided with a supporting turntable, the mounting groove is provided with a material taking motor, the rotating shaft is rotatably mounted in the connecting hole, the output shaft of the material taking motor is provided with a driving wheel, and the driving wheel and the supporting turntable are in meshing transmission.
9. The thawing method of the thawing apparatus for food detection according to claim 1, wherein in the first step, frozen food materials are loaded into the ice crushing tank, then the ejecting ice crushing mechanism is activated to eject the ejecting rod to impact the food materials in the ice crushing tank to eject the food materials to impact the ice crushing, after the ejecting impact of the ejecting rod on the ice crushing tank is performed for a plurality of times, the discharging cover is opened downwards, so that the food materials after the ice crushing fall onto the material shaking plate, and the food materials fall to impact the material shaking plate for further ice crushing; secondly, starting a shaking mechanism below the material shaking plate to shake the material shaking plate up and down, so that the food raw materials slide onto a water bath thawing conveyor belt from the lower end, and meanwhile, scattered crushed ice and water fall off from sieve holes on the material shaking plate; thirdly, conveying the food raw materials on a water bath unfreezing conveying belt and passing through a water bath in a unfreezing water tank, enabling a hot air blower to work and blow hot air into the unfreezing water tank through a one-way blowing head, forming bubbles in the water bath in the unfreezing water tank to heat the water bath so as to accelerate the unfreezing of the food raw materials, adjusting the air quantity and the temperature of the hot air blower according to the temperature detected by a temperature sensor in the unfreezing water tank, and then enabling the food raw materials to leave the water bath unfreezing conveying belt and slide onto the hot air; fourthly, the food raw materials are unfrozen by hot air along with a hot air unfreezing conveying belt sequentially through a primary hot air unfreezing device, a secondary hot air unfreezing device and a tertiary hot air unfreezing device, and the hot air unfreezing temperature is sequentially reduced; and fifthly, sampling the food raw materials thawed by the hot air on the hot air thawing conveyor belt by the material taking mechanism, and allowing the redundant food raw materials to fall into a discharge chute.
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| CN201810175947.4A CN108308513B (en) | 2018-03-02 | 2018-03-02 | Thawing device and thawing method for food detection |
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| CN201810175947.4A CN108308513B (en) | 2018-03-02 | 2018-03-02 | Thawing device and thawing method for food detection |
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| CN110771774A (en) * | 2019-11-25 | 2020-02-11 | 吴淑艳 | Food processor with improved ice breaking function |
| CN111937951A (en) * | 2020-08-31 | 2020-11-17 | 怀化聚农轩农业科技有限公司 | Thawing device and thawing method for aquatic product processing |
| CN113016863A (en) * | 2021-04-09 | 2021-06-25 | 福建省亚明食品有限公司 | Frozen chicken wing unfreezing and sorting equipment and method |
| CN114343106A (en) * | 2022-01-14 | 2022-04-15 | 温州大学 | Food thawing device |
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Denomination of invention: Thawing devices and methods for food testing Effective date of registration: 20230906 Granted publication date: 20210409 Pledgee: Zhejiang Mintai Commercial Bank Co.,Ltd. Hangzhou Tonglu Branch Pledgor: HANGZHOU GUANHUAWANG FOOD Co.,Ltd. Registration number: Y2023330001963 |