CN106721901B - Rolling curtain type aquatic product quick-freezing equipment and quick-freezing method - Google Patents
Rolling curtain type aquatic product quick-freezing equipment and quick-freezing method Download PDFInfo
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- CN106721901B CN106721901B CN201611013516.5A CN201611013516A CN106721901B CN 106721901 B CN106721901 B CN 106721901B CN 201611013516 A CN201611013516 A CN 201611013516A CN 106721901 B CN106721901 B CN 106721901B
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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
- A23L3/361—Freezing; Subsequent thawing; Cooling the materials being transported through or in the apparatus, with or without shaping, e.g. in form of powder, granules, or flakes
Abstract
The invention relates to the field of aquatic product refrigeration, and aims to provide roller shutter type aquatic product quick-freezing equipment and a quick-freezing method. A roller shutter type aquatic product quick-freezing equipment comprises: a heat preservation box body provided with a feeding device and a quick freezing device; the roller shutter type aquatic product quick-freezing equipment further comprises: the aquatic product turning device is arranged on the upper side of the aquatic product bearing steel belt, and the inclined discharging channel is arranged on the lower side of the aquatic product bearing steel belt; the lower end of the inclined discharging channel extends out of the insulation can body. The roller shutter type aquatic product quick-freezing equipment enables the aquatic products to freeze at the same speed from top to bottom, and the quick-freezing time is short.
Description
Technical Field
The invention relates to the field of aquatic product refrigeration, in particular to roller shutter type aquatic product quick-freezing equipment and a quick-freezing method.
Background
Chinese patent application No. 201521037822.3's utility model discloses an aquatic products monomer tunnel type frozen machine, including the heat preservation storehouse body, the evaporimeter, carry the flat area, fixed chassis, the supporting leg has all been welded in fixed chassis bottom four corners, the welding has the link on the supporting leg, the link other end is fixed at the external terminal surface in the heat preservation storehouse, the heat preservation storehouse body sets up at fixed chassis top, control system is installed at the outside top of fixed chassis, inside top both ends are provided with the evaporimeter, evaporimeter end connection has the axle flow ware, the internal portion bottom in heat preservation storehouse is provided with the equipment board, be provided with arc guide plate between equipment board and the heat preservation storehouse body, fixed chassis both ends are provided with the conveying roller, the bottom is provided with the backing roller, connect through carrying the flat area, heat preservation storehouse body both. The aquatic product quick freezing machine has the defects that the freezing speed of aquatic products on a conveying flat belt is not consistent, and the quick freezing time is long; therefore, the roller shutter type aquatic product quick-freezing equipment and the quick-freezing method which are consistent in up-down freezing speed of aquatic products and short in quick-freezing time are designed, and the problems to be solved urgently are solved.
Disclosure of Invention
The invention aims to overcome the defects of inconsistent vertical freezing speeds of aquatic products on a conveying flat belt and long quick-freezing time of the conventional aquatic product quick-freezing machine, and provides rolling curtain type aquatic product quick-freezing equipment and a quick-freezing method which have consistent vertical freezing speeds of aquatic products and short quick-freezing time.
The specific technical scheme of the invention is as follows:
a roller shutter type aquatic product quick-freezing equipment comprises: a heat preservation box body provided with a feeding device and a quick freezing device; the roller shutter type aquatic product quick-freezing equipment further comprises: the aquatic product turning device is arranged on the upper side of the aquatic product bearing steel belt, and the inclined discharging channel is arranged on the lower side of the aquatic product bearing steel belt; the lower end of the inclined discharging channel extends out of the insulation can body. When the rolling curtain type aquatic product quick-freezing equipment is used, aquatic products enter the heat preservation box body through the feeding device, the aquatic product carrying steel belt of the rolling curtain device continuously carries the aquatic products along longitudinal movement, the quick-freezing device carries out quick freezing on the aquatic products, the aquatic product turning device turns the aquatic products to accelerate the quick freezing of the aquatic products, after the quick freezing of the aquatic products is completed, the aquatic product carrying steel belt moves reversely, and the aquatic products fall onto the inclined discharging channel from the aquatic product carrying steel belt and slide out of the heat preservation box body along the inclined discharging channel to. The roller shutter type aquatic product quick-freezing equipment enables the aquatic products to freeze at the same speed from top to bottom, and the quick-freezing time is short.
Preferably, the rolling shutter device includes: the roller shutter device comprises a support and a roller shutter driving motor which are arranged on the outer side of one end of a heat preservation box body, a roller shutter cylinder, a driving chain wheel, a driven chain wheel, chains and two longitudinal guide rods, wherein the two ends of the roller shutter cylinder are respectively pivoted with the support; the opposite surfaces of the two longitudinal guide rods are respectively provided with a longitudinal guide groove; one end of the heat preservation box body is provided with a steel belt through hole and a discharging through hole positioned at the lower side of the steel belt through hole; one end of the aquatic product bearing steel belt is fixed on the outer side wall of the roller shutter cylinder, the other end of the aquatic product bearing steel belt penetrates through the steel belt through hole, and two side ends of the aquatic product bearing steel belt are respectively inserted into one longitudinal guide groove; the lower end of the inclined discharging channel penetrates out of the discharging through hole. The rolling device shortens the length of the aquatic product quick-freezing equipment, so that the structure is compact; even if the aquatic products are fully distributed in the aquatic product bearing steel belt in the heat preservation box body, the structure of the feeding device can be simplified.
Preferably, the roller shutter device further includes: a plurality of supporting rollers which are arranged between the two longitudinal guide rods and are positioned on the lower side of the aquatic product bearing steel belt; two ends of the supporting roller are respectively provided with a connecting shaft which is positioned at the lower side of a longitudinal guide rod and is respectively pivoted with one side wall of the heat preservation box body. The supporting roll supports the lower side of the aquatic product bearing steel belt to improve the bearing capacity.
Preferably, the aquatic product turning device comprises: the heat preservation box comprises two longitudinal guide rails, a cross beam, a lifting block, a plurality of turning claws and a claw foot group, wherein the two longitudinal guide rails are positioned on the upper side of a longitudinal guide rod, two ends of each longitudinal guide rail are respectively connected with opposite surfaces of two side walls of the heat preservation box body in a one-to-one correspondence manner, the lower ends of the cross beams are provided with rectangular counter bores, two side ends of each cross beam are connected with sliding blocks of the two longitudinal guide rails in a one-to-one correspondence manner, the lifting block is matched with the rectangular counter; the lifting cylinder is connected with the upper end of the cross beam, the two mounting plates are correspondingly connected with the opposite surfaces of the two side walls of the heat preservation box body at two ends, the longitudinal screw rods are pivoted with the two mounting plates at two ends in a one-to-one correspondence manner, the nut is arranged at the upper end of the cross beam and is in threaded connection with the longitudinal screw rods, and the stepping motor is connected with the other end of the heat preservation box body; an output shaft of the stepping motor is connected with one end of the longitudinal screw rod; the upper end of the beam is provided with a lifting through hole communicated with the rectangular counter bore; a piston rod of the lifting cylinder penetrates through the lifting through hole to be connected with the upper end of the lifting block; the lower end of the lifting block is provided with accommodating counter bores which are arranged along the longitudinal direction and the number of which is the same as that of the turning claws; the turning claws correspond to the accommodating counter bores one by one, and the upper ends of the turning claws extend into the accommodating counter bores to be hinged with the lifting block; two pressure spring groups which are respectively positioned at two side ends of the turning claw and respectively consist of a plurality of pressure springs are arranged in the accommodating counter bore; two ends of the pressure spring respectively press one end of the containing counter bore and one side end of the turning claw. The aquatic product turning device has a simple and practical structure, high longitudinal movement precision and good aquatic product turning effect; a piston rod of the lifting cylinder drives the turning claw to lift and descend respectively and quickly through the lifting block; the pressure spring makes the paws have a buffer effect when turning over the aquatic products, so that the aquatic products are not easy to damage.
Preferably, the quick-freezing device comprises: the axial flow fan group is arranged on the lower side of the heat insulation box body, and is provided with a plurality of fans connected with the top plate of the heat insulation box body; the upper end of the diaphragm plate is provided with a cold air hole group communicated with the lower end; the air inlet of the fan is positioned outside the heat insulation box body. The quick-freezing device has simple and practical structure and good quick-freezing aquatic product effect.
Preferably, the evaporator is externally sleeved with a heat exchange plate group. The heat exchange plate group increases the heat exchange area between the air and the evaporator, and improves the air cooling speed.
Preferably, the feeding device comprises: the high end of the hopper is connected with the lower end of the hopper through an inclined feeding channel and a vertical baffle; one end of the heat preservation box body is provided with a feeding through hole positioned at the upper side of the steel strip through hole; the upper end of the vertical baffle is connected with the transverse clapboard; the lower end of the inclined feeding channel penetrates through the feeding through hole and extends into the heat preservation box body, and the lower end of the inclined feeding channel is opposite to the vertical baffle. The feeding device is simple and practical in structure, the vertical baffle blocks aquatic products to enable the aquatic products to fall onto the aquatic product carrying steel belt, and the other end of the aquatic product carrying steel belt moves along the longitudinal guide groove to the other end of the heat preservation box body to carry the aquatic products continuously, so that the aquatic products are distributed uniformly.
Preferably, the lower end of the inclined discharging channel is provided with a plurality of vibrators. The aquatic products can slide out of the incubator along the inclined discharging channel.
The rolling curtain type aquatic product quick-freezing equipment comprises: the aquatic product turning device is arranged on the upper side of the aquatic product bearing steel belt, and the inclined discharging channel is arranged on the lower side of the aquatic product bearing steel belt; the lower end of the inclined discharging channel extends out of the insulation can body; the roller shutter device includes: the roller shutter device comprises a support and a roller shutter driving motor which are arranged on the outer side of one end of a heat preservation box body, a roller shutter cylinder, a driving chain wheel, a driven chain wheel, chains and two longitudinal guide rods, wherein the two ends of the roller shutter cylinder are respectively pivoted with the support; the opposite surfaces of the two longitudinal guide rods are respectively provided with a longitudinal guide groove; one end of the heat preservation box body is provided with a steel belt through hole and a discharging through hole positioned at the lower side of the steel belt through hole; one end of the aquatic product bearing steel belt is fixed on the outer side wall of the roller shutter cylinder, the other end of the aquatic product bearing steel belt penetrates through the steel belt through hole, and two side ends of the aquatic product bearing steel belt are respectively inserted into one longitudinal guide groove; the lower end of the inclined discharging channel penetrates out of the discharging through hole; the rolling shutter device further includes: a plurality of supporting rollers which are arranged between the two longitudinal guide rods and are positioned on the lower side of the aquatic product bearing steel belt; two ends of the supporting roll are respectively provided with a connecting shaft which is positioned at the lower side of a longitudinal guide rod and is respectively pivoted with one side wall of the heat preservation box body; the aquatic products turn over device include: the heat preservation box comprises two longitudinal guide rails, a cross beam, a lifting block, a plurality of turning claws and a claw foot group, wherein the two longitudinal guide rails are positioned on the upper side of a longitudinal guide rod, two ends of each longitudinal guide rail are respectively connected with opposite surfaces of two side walls of the heat preservation box body in a one-to-one correspondence manner, the lower ends of the cross beams are provided with rectangular counter bores, two side ends of each cross beam are connected with sliding blocks of the two longitudinal guide rails in a one-to-one correspondence manner, the lifting block is matched with the rectangular counter; the lifting cylinder is connected with the upper end of the cross beam, the two mounting plates are correspondingly connected with the opposite surfaces of the two side walls of the heat preservation box body at two ends, the longitudinal screw rods are pivoted with the two mounting plates at two ends in a one-to-one correspondence manner, the nut is arranged at the upper end of the cross beam and is in threaded connection with the longitudinal screw rods, and the stepping motor is connected with the other end of the heat preservation box body; an output shaft of the stepping motor is connected with one end of the longitudinal screw rod; the upper end of the beam is provided with a lifting through hole communicated with the rectangular counter bore; a piston rod of the lifting cylinder penetrates through the lifting through hole to be connected with the upper end of the lifting block; the lower end of the lifting block is provided with accommodating counter bores which are arranged along the longitudinal direction and the number of which is the same as that of the turning claws; the turning claws correspond to the accommodating counter bores one by one, and the upper ends of the turning claws extend into the accommodating counter bores to be hinged with the lifting block; two pressure spring groups which are respectively positioned at two side ends of the turning claw and respectively consist of a plurality of pressure springs are arranged in the accommodating counter bore; two ends of the pressure spring respectively press one end of the containing counter bore and one side end of the turning claw; the quick-freezing device comprises: the axial flow fan group is arranged on the lower side of the heat insulation box body, and is provided with a plurality of fans connected with the top plate of the heat insulation box body; the upper end of the diaphragm plate is provided with a cold air hole group communicated with the lower end; the air inlet of the fan is positioned outside the heat insulation box; and a heat exchange plate group is sleeved outside the evaporator. The heat exchange area of the air and the evaporator is increased by the heat exchange plate group, and the air cooling speed is increased; the feeding device comprises: the high end of the hopper is connected with the lower end of the hopper through an inclined feeding channel and a vertical baffle; one end of the heat preservation box body is provided with a feeding through hole positioned at the upper side of the steel strip through hole; the upper end of the vertical baffle is connected with the transverse clapboard; the lower end of the inclined feeding channel penetrates through the feeding through hole and extends into the heat preservation box body, and the lower end of the inclined feeding channel is opposite to the vertical baffle; the lower end of the inclined discharging channel is provided with a plurality of vibrators; step one, aquatic products entering from a hopper enter a heat preservation box body through an inclined feeding channel, and a vertical baffle blocks the aquatic products so that the aquatic products fall onto an aquatic product carrying steel belt; step two, the roller shutter driving motor drives the roller shutter cylinder to rotate through the driving chain wheel, the chain and the driven chain wheel, and drives the other end of the aquatic product carrying steel belt to move to the other end of the heat preservation box body along the longitudinal guide groove to continuously carry aquatic products; refrigerating an evaporator connected with a liquid supply device filled with cooling liquid, performing heat exchange and cooling on air positioned on the upper side of a transverse partition plate in the insulation box body and the evaporator to form cold air under the action of a fan, and enabling the cold air to pass through a cold air hole group to quickly freeze the aquatic products; step four, the stepping motor drives the longitudinal screw rod to rotate and drives the cross beam to move longitudinally through the nut, a piston rod of the lifting cylinder extends out to push the lifting block and the turning claw to descend, and the claw foot group turns the aquatic products to accelerate quick freezing of the aquatic products; and step five, after the aquatic products are quickly frozen, the cross beam is stopped at one end of the heat preservation box body, the roller shutter driving motor drives the roller shutter cylinder to rotate reversely through the driving chain wheel, the chain and the driven chain wheel, the other end of the aquatic product bearing steel belt moves towards one end of the heat preservation box body along the longitudinal guide groove, and under the blocking action of the claw foot group, the aquatic products fall onto the inclined discharging channel from the other end of the aquatic product bearing steel belt and slide out of the material through hole along the inclined discharging channel to fall and be collected. The quick-freezing method of the roller shutter type aquatic product quick-freezing equipment can meet the requirements of enabling aquatic products to be frozen at the same speed and short quick-freezing time.
Compared with the prior art, the invention has the beneficial effects that: the roller shutter type aquatic product quick-freezing equipment enables the aquatic products to freeze at the same speed from top to bottom, and the quick-freezing time is short. The rolling device shortens the length of the aquatic product quick-freezing equipment, so that the structure is compact; even if the aquatic products are fully distributed in the aquatic product bearing steel belt in the heat preservation box body, the structure of the feeding device can be simplified. The supporting roll supports the lower side of the aquatic product bearing steel belt to improve the bearing capacity. The aquatic product turning device has a simple and practical structure, high longitudinal movement precision and good aquatic product turning effect; a piston rod of the lifting cylinder drives the turning claw to lift and descend respectively and quickly through the lifting block; the pressure spring makes the paws have a buffer effect when turning over the aquatic products, so that the aquatic products are not easy to damage. The quick-freezing device has simple and practical structure and good quick-freezing aquatic product effect. The heat exchange plate group increases the heat exchange area between the air and the evaporator, and improves the air cooling speed. The feeding device is simple and practical in structure, the vertical baffle blocks aquatic products to enable the aquatic products to fall onto the aquatic product carrying steel belt, and the other end of the aquatic product carrying steel belt moves along the longitudinal guide groove to the other end of the heat preservation box body to carry the aquatic products continuously, so that the aquatic products are distributed uniformly. The quick-freezing method of the roller shutter type aquatic product quick-freezing equipment can meet the requirements of enabling aquatic products to be frozen at the same speed and short quick-freezing time. The lower end of the inclined discharging channel is provided with a plurality of vibrators, so that aquatic products can slide out of the insulation can along the inclined discharging channel.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
fig. 3 is an enlarged view at B in fig. 1.
In the figure: the aquatic product conveying device comprises a heat preservation box body 1, an aquatic product receiving steel belt 2, an inclined discharging channel 3, a support 4, a roller shutter driving motor 5, a roller shutter cylinder 6, a driving chain wheel 7, a driven chain wheel 8, a chain 9, a longitudinal guide rod 10, a support roller 11, a longitudinal guide groove 12, a steel belt through hole 13, a discharging through hole 14, a connecting shaft 15, a longitudinal guide rail 16, a rectangular counter bore 17, a cross beam 18, a lifting block 19, a turning claw 20, a claw foot group 21, a lifting cylinder 22, a mounting plate 23, a longitudinal screw rod 24, a nut 25, a stepping motor 26, a lifting through hole 27, a containing counter bore 28, a pressure spring group 29, a fan 30, a liquid supply pipe 31, an air return pipe 32, an evaporator 33, a transverse partition plate 34, a cold air hole group 35, a heat exchange plate group 36, a hopper 37.
Detailed Description
The invention will be further described with reference to the drawings.
As shown in the attached figures 1, 2 and 3: a roller shutter type aquatic product quick-freezing equipment comprises: the aquatic product quick-freezing device comprises a heat preservation box body 1 provided with a feeding device and a quick-freezing device, a roller shutter device provided with an aquatic product carrying steel belt 2 extending into the heat preservation box body 1, an aquatic product turning device arranged on the upper side of the aquatic product carrying steel belt 2, and an inclined discharging channel 3 arranged on the lower side of the aquatic product carrying steel belt 2; the lower end of the inclined discharging channel 3 extends out of the heat preservation box body 1.
In this embodiment:
the roller shutter device includes: the aquatic product carrying device comprises a support 4 and a roller shutter driving motor 5 which are arranged on the outer side of one end of a heat preservation box body 1, a roller shutter cylinder 6, a driving chain wheel 7, a driven chain wheel 8, a chain 9, two longitudinal guide rods 10 and eight supporting rollers 11, wherein two ends of the roller shutter cylinder 6 are respectively pivoted with the support 4 through bearings; the opposite surfaces of the two longitudinal guide rods 10 are respectively provided with a longitudinal guide groove 12; one end of the heat preservation box body 1 is provided with a steel belt through hole 13 and a discharge through hole 14 positioned at the lower side of the steel belt through hole 13; one end of the aquatic product bearing steel belt 2 is fixed on the outer side wall of the roller shutter cylinder 6, the other end of the aquatic product bearing steel belt 2 penetrates through the steel belt through hole 13, and two side ends of the aquatic product bearing steel belt 2 are respectively inserted into one longitudinal guide groove 12; the lower end of the inclined discharging channel 3 penetrates out of the discharging through hole 14; two ends of the supporting roller 11 are respectively provided with a connecting shaft 15 which is positioned at the lower side of a longitudinal guide rod 10 and is respectively pivoted with one side wall of the heat preservation box body 1 through a bearing.
The aquatic products turn over device include: two longitudinal guide rails 16 which are positioned at the upper side of the longitudinal guide rod 10 and two ends of which are respectively in one-to-one corresponding screw connection with the opposite surfaces of two side walls of the heat preservation box body 1, a cross beam 18 of which the lower end is provided with a rectangular counter bore 17 and two side ends are in one-to-one corresponding screw connection with sliding blocks of the two longitudinal guide rails 16, a lifting block 19 which is in clearance fit with the rectangular counter bore 17 and the upper end of which is positioned in the rectangular counter bore 17, three turning claws 20, and a claw foot group 21 which is arranged at the lower end of the turning claw 20; the lifting cylinder 22 is in screw connection with the upper end of the cross beam 18, the two mounting plates 23 are in screw connection with the opposite surfaces of the two side walls of the heat preservation box body 1 in a one-to-one correspondence manner, the two ends of the longitudinal screw rods 24 are in pivot connection with the two mounting plates 23 in a one-to-one correspondence manner through bearings, nuts 25 are arranged at the upper end of the cross beam 18 and in threaded connection with the longitudinal screw rods 24, and the stepping motor 26 is connected with the other end of the heat preservation; an output shaft of the stepping motor 26 is connected with one end of the longitudinal screw 24; the upper end of the cross beam 18 is provided with a lifting through hole 27 which is communicated with the rectangular counter bore 17; a piston rod of the lifting cylinder 22 passes through the lifting through hole 27 and is in threaded connection with the upper end of the lifting block 19; the lower end of the lifting block 19 is provided with accommodating counter bores 28 which are arranged along the longitudinal direction and the number of which is the same as that of the turning claws 20; the turning claws 20 correspond to the accommodating counter bores 28 one by one, and the upper ends of the turning claws 20 extend into the accommodating counter bores 28 and are hinged with the lifting block 19 through pin shafts; two pressure spring groups 29 which are respectively arranged at two side ends of the turning claw 20 and are respectively composed of a plurality of pressure springs are arranged in the accommodating counter bore 28; two ends of the pressure spring respectively press one end of the containing counter bore 28 and one side end of the turning claw 20.
The quick-freezing device comprises: twelve fans 30 which are connected with the top plate of the heat preservation box body 1 through screws, an evaporator 33 which is provided with a liquid supply pipe 31 and an air return pipe 32 which extend out of the heat preservation box body 1 and is arranged at the lower side of the axial flow fan 30 group, and a transverse clapboard 34 which is positioned at the lower side of the evaporator 33 and is connected with the inner side of the heat preservation box body 1 through screws; the upper end of the transverse clapboard 34 is provided with a cold air hole group 35 communicated with the lower end; the air inlet of the fan 30 is positioned outside the heat preservation box body 1.
The evaporator 33 is externally sleeved with a heat exchange plate group 36.
The feeding device comprises: a hopper 37, an inclined feeding channel 38 with the upper end welded with the lower end of the hopper 37, and a vertical baffle 39; one end of the heat preservation box body 1 is provided with a feeding through hole 40 positioned at the upper side of the steel strip through hole 13; the upper end of the vertical baffle 39 is connected with the transverse clapboard 34 by screws; the lower end of the inclined feed channel 38 extends into the insulated cabinet 1 through the feed through hole 40, and the lower end of the inclined feed channel 38 is opposite to the vertical baffle 39.
Two vibrators 41 are arranged at the lower end of the inclined discharging channel 3.
A rolling curtain type aquatic product quick-freezing equipment quick-freezing method comprises the following steps: the aquatic product quick-freezing device comprises a heat preservation box body 1 provided with a feeding device and a quick-freezing device, a roller shutter device provided with an aquatic product carrying steel belt 2 extending into the heat preservation box body 1, an aquatic product turning device arranged on the upper side of the aquatic product carrying steel belt 2, and an inclined discharging channel 3 arranged on the lower side of the aquatic product carrying steel belt 2; the lower end of the inclined discharging channel 3 extends out of the heat preservation box body 1; in this embodiment: the roller shutter device includes: the aquatic product carrying device comprises a support 4 and a roller shutter driving motor 5 which are arranged on the outer side of one end of a heat preservation box body 1, a roller shutter cylinder 6, a driving chain wheel 7, a driven chain wheel 8, a chain 9, two longitudinal guide rods 10 and eight supporting rollers 11, wherein two ends of the roller shutter cylinder 6 are respectively pivoted with the support 4 through bearings; the opposite surfaces of the two longitudinal guide rods 10 are respectively provided with a longitudinal guide groove 12; one end of the heat preservation box body 1 is provided with a steel belt through hole 13 and a discharge through hole 14 positioned at the lower side of the steel belt through hole 13; one end of the aquatic product bearing steel belt 2 is fixed on the outer side wall of the roller shutter cylinder 6, the other end of the aquatic product bearing steel belt 2 penetrates through the steel belt through hole 13, and two side ends of the aquatic product bearing steel belt 2 are respectively inserted into one longitudinal guide groove 12; the lower end of the inclined discharging channel 3 penetrates out of the discharging through hole 14; two ends of the supporting roller 11 are respectively provided with a connecting shaft 15 which is positioned at the lower side of one longitudinal guide rod 10 and is respectively pivoted with one side wall of the heat preservation box body 1 through a bearing; the aquatic products turn over device include: two longitudinal guide rails 16 which are positioned at the upper side of the longitudinal guide rod 10 and two ends of which are respectively in one-to-one corresponding screw connection with the opposite surfaces of two side walls of the heat preservation box body 1, a cross beam 18 of which the lower end is provided with a rectangular counter bore 17 and two side ends are in one-to-one corresponding screw connection with sliding blocks of the two longitudinal guide rails 16, a lifting block 19 which is in clearance fit with the rectangular counter bore 17 and the upper end of which is positioned in the rectangular counter bore 17, three turning claws 20, and a claw foot group 21 which is arranged at the lower end of the turning claw 20; the lifting cylinder 22 is in screw connection with the upper end of the cross beam 18, the two mounting plates 23 are in screw connection with the opposite surfaces of the two side walls of the heat preservation box body 1 in a one-to-one correspondence manner, the two ends of the longitudinal screw rods 24 are in pivot connection with the two mounting plates 23 in a one-to-one correspondence manner through bearings, nuts 25 are arranged at the upper end of the cross beam 18 and in threaded connection with the longitudinal screw rods 24, and the stepping motor 26 is connected with the other end of the heat preservation; an output shaft of the stepping motor 26 is connected with one end of the longitudinal screw 24; the upper end of the cross beam 18 is provided with a lifting through hole 27 which is communicated with the rectangular counter bore 17; a piston rod of the lifting cylinder 22 passes through the lifting through hole 27 and is in threaded connection with the upper end of the lifting block 19; the lower end of the lifting block 19 is provided with accommodating counter bores 28 which are arranged along the longitudinal direction and the number of which is the same as that of the turning claws 20; the turning claws 20 correspond to the accommodating counter bores 28 one by one, and the upper ends of the turning claws 20 extend into the accommodating counter bores 28 and are hinged with the lifting block 19 through pin shafts; two pressure spring groups 29 which are respectively arranged at two side ends of the turning claw 20 and are respectively composed of a plurality of pressure springs are arranged in the accommodating counter bore 28; two ends of the pressure spring respectively press one end of the containing counter bore 28 and one side end of the turning claw 20; the quick-freezing device comprises: twelve fans 30 which are connected with the top plate of the heat preservation box body 1 through screws, an evaporator 33 which is provided with a liquid supply pipe 31 and an air return pipe 32 which extend out of the heat preservation box body 1 and is arranged at the lower side of the axial flow fan 30 group, and a transverse clapboard 34 which is positioned at the lower side of the evaporator 33 and is connected with the inner side of the heat preservation box body 1 through screws; the upper end of the transverse clapboard 34 is provided with a cold air hole group 35 communicated with the lower end; an air inlet of the fan 30 is positioned outside the heat preservation box body 1; a heat exchange plate group 36 is sleeved outside the evaporator 33; the feeding device comprises: a hopper 37, an inclined feeding channel 38 with the upper end welded with the lower end of the hopper 37, and a vertical baffle 39; one end of the heat preservation box body 1 is provided with a feeding through hole 40 positioned at the upper side of the steel strip through hole 13; the upper end of the vertical baffle 39 is connected with the transverse clapboard 34 by screws; the lower end of the inclined feeding channel 38 passes through the feeding through hole 40 and extends into the heat preservation box body 1, and the lower end of the inclined feeding channel 38 is opposite to the vertical baffle plate 39; the lower end of the inclined discharging channel 3 is provided with two vibrators 41; step one, aquatic products entering from a hopper 37 enter a heat preservation box body 1 through an inclined feeding channel 38, and a vertical baffle 39 blocks the aquatic products so that the aquatic products fall onto an aquatic product bearing steel belt 2; step two, the roller shutter driving motor 5 drives the roller shutter cylinder 6 to rotate through the driving chain wheel 7, the chain 9 and the driven chain wheel 8, and drives the other end of the aquatic product bearing steel belt 2 to move towards the other end of the heat preservation box body 1 along the longitudinal guide groove 12 to continuously bear aquatic products; step three, refrigerating an evaporator 33 connected with a liquid supply device filled with cooling liquid, performing heat exchange and cooling on air positioned on the upper side of a transverse partition plate 34 in the heat preservation box body 1 and the evaporator 33 to form cold air under the action of a fan 30, and enabling the cold air to pass through a cold air hole group 35 to quickly freeze aquatic products; step four, the stepping motor 26 drives the longitudinal screw 24 to rotate and drives the cross beam 18 to move longitudinally through the nut 25, a piston rod of the lifting cylinder 22 extends out to push the lifting block 19 and the turning claw 20 to descend, and the claw foot group 21 turns the aquatic products to accelerate quick freezing of the aquatic products; and step five, after the aquatic products are quickly frozen, the beam 18 is stopped at one end of the heat preservation box body 1, the roller shutter driving motor 5 drives the roller shutter cylinder 6 to rotate reversely through the driving chain wheel 7, the chain 9 and the driven chain wheel 8, the other end of the aquatic product bearing steel belt 2 moves towards one end of the heat preservation box body 1 along the longitudinal guide groove 12, and under the blocking action of the claw foot group 21, the aquatic products fall onto the inclined discharging channel 3 from the other end of the aquatic product bearing steel belt 2 and fall down along the inclined discharging channel 3 to slide out of the material through hole 14 to be collected.
The invention has the beneficial effects that: the roller shutter type aquatic product quick-freezing equipment enables the aquatic products to freeze at the same speed from top to bottom, and the quick-freezing time is short. The rolling device shortens the length of the aquatic product quick-freezing equipment, so that the structure is compact; even if the aquatic products are fully distributed in the aquatic product bearing steel belt in the heat preservation box body, the structure of the feeding device can be simplified. The supporting roll supports the lower side of the aquatic product bearing steel belt to improve the bearing capacity. The aquatic product turning device has a simple and practical structure, high longitudinal movement precision and good aquatic product turning effect; a piston rod of the lifting cylinder drives the turning claw to lift and descend respectively and quickly through the lifting block; the pressure spring makes the paws have a buffer effect when turning over the aquatic products, so that the aquatic products are not easy to damage. The quick-freezing device has simple and practical structure and good quick-freezing aquatic product effect. The heat exchange plate group increases the heat exchange area between the air and the evaporator, and improves the air cooling speed. The feeding device is simple and practical in structure, the vertical baffle blocks aquatic products to enable the aquatic products to fall onto the aquatic product carrying steel belt, and the other end of the aquatic product carrying steel belt moves along the longitudinal guide groove to the other end of the heat preservation box body to carry the aquatic products continuously, so that the aquatic products are distributed uniformly. The quick-freezing method of the roller shutter type aquatic product quick-freezing equipment can meet the requirements of enabling aquatic products to be frozen at the same speed and short quick-freezing time. The lower end of the inclined discharging channel is provided with two vibrators, which is beneficial for aquatic products to slide out of the insulation can along the inclined discharging channel.
It will be obvious to those skilled in the art that the present invention may be varied in many ways, and that such variations are not to be regarded as a departure from the scope of the invention. All such modifications as would be obvious to one skilled in the art are intended to be included within the scope of this claim.
Claims (9)
1. A roller shutter type aquatic product quick-freezing equipment comprises: a heat preservation box body provided with a feeding device and a quick freezing device; characterized in that, the roller shutter type aquatic product quick-freezing equipment further comprises: the aquatic product turning device is arranged on the upper side of the aquatic product bearing steel belt, and the inclined discharging channel is arranged on the lower side of the aquatic product bearing steel belt; the lower end of the inclined discharging channel extends out of the insulation can body; when the rolling curtain type aquatic product quick-freezing equipment is used, aquatic products enter the heat preservation box body through the feeding device, the aquatic product carrying steel belt of the rolling curtain device continuously carries the aquatic products along longitudinal movement, the quick-freezing device carries out quick freezing on the aquatic products, the aquatic product turning device turns the aquatic products to accelerate the quick freezing of the aquatic products, after the quick freezing of the aquatic products is completed, the aquatic product carrying steel belt moves reversely, and the aquatic products fall onto the inclined discharging channel from the aquatic product carrying steel belt and slide out of the heat preservation box body along the inclined discharging channel to.
2. The roller shutter type aquatic product quick-freezing equipment as claimed in claim 1, which is characterized in that: the roller shutter device includes: the roller shutter device comprises a support and a roller shutter driving motor which are arranged on the outer side of one end of a heat preservation box body, a roller shutter cylinder, a driving chain wheel, a driven chain wheel, chains and two longitudinal guide rods, wherein the two ends of the roller shutter cylinder are respectively pivoted with the support; the opposite surfaces of the two longitudinal guide rods are respectively provided with a longitudinal guide groove; one end of the heat preservation box body is provided with a steel belt through hole and a discharging through hole positioned at the lower side of the steel belt through hole; one end of the aquatic product bearing steel belt is fixed on the outer side wall of the roller shutter cylinder, the other end of the aquatic product bearing steel belt penetrates through the steel belt through hole, and two side ends of the aquatic product bearing steel belt are respectively inserted into one longitudinal guide groove; the lower end of the inclined discharging channel penetrates out of the discharging through hole.
3. The roller shutter type aquatic product quick-freezing equipment as claimed in claim 2, which is characterized in that: the rolling shutter device further includes: a plurality of supporting rollers which are arranged between the two longitudinal guide rods and are positioned on the lower side of the aquatic product bearing steel belt; two ends of the supporting roller are respectively provided with a connecting shaft which is positioned at the lower side of a longitudinal guide rod and is respectively pivoted with one side wall of the heat preservation box body.
4. The roller shutter type aquatic product quick-freezing equipment as claimed in claim 1, 2 or 3, which is characterized in that: the aquatic products turn over device include: the heat preservation box comprises two longitudinal guide rails, a cross beam, a lifting block, a plurality of turning claws and a claw foot group, wherein the two longitudinal guide rails are positioned on the upper side of a longitudinal guide rod, two ends of each longitudinal guide rail are respectively connected with opposite surfaces of two side walls of the heat preservation box body in a one-to-one correspondence manner, the lower ends of the cross beams are provided with rectangular counter bores, two side ends of each cross beam are connected with sliding blocks of the two longitudinal guide rails in a one-to-one correspondence manner, the lifting block is matched with the rectangular counter; the lifting cylinder is connected with the upper end of the cross beam, the two mounting plates are correspondingly connected with the opposite surfaces of the two side walls of the heat preservation box body at two ends, the longitudinal screw rods are pivoted with the two mounting plates at two ends in a one-to-one correspondence manner, the nut is arranged at the upper end of the cross beam and is in threaded connection with the longitudinal screw rods, and the stepping motor is connected with the other end of the heat preservation box body; an output shaft of the stepping motor is connected with one end of the longitudinal screw rod; the upper end of the beam is provided with a lifting through hole communicated with the rectangular counter bore; a piston rod of the lifting cylinder penetrates through the lifting through hole to be connected with the upper end of the lifting block; the lower end of the lifting block is provided with accommodating counter bores which are arranged along the longitudinal direction and the number of which is the same as that of the turning claws; the turning claws correspond to the accommodating counter bores one by one, and the upper ends of the turning claws extend into the accommodating counter bores to be hinged with the lifting block; two pressure spring groups which are respectively positioned at two side ends of the turning claw and respectively consist of a plurality of pressure springs are arranged in the accommodating counter bore; two ends of the pressure spring respectively press one end of the containing counter bore and one side end of the turning claw.
5. The roller shutter type aquatic product quick-freezing equipment as claimed in claim 1, 2 or 3, which is characterized in that: the quick-freezing device comprises: the axial flow fan group is arranged on the lower side of the heat insulation box body, and is provided with a plurality of fans connected with the top plate of the heat insulation box body; the upper end of the diaphragm plate is provided with a cold air hole group communicated with the lower end; the air inlet of the fan is positioned outside the heat insulation box body.
6. The roller shutter type aquatic product quick-freezing equipment as claimed in claim 5, which is characterized in that: and a heat exchange plate group is sleeved outside the evaporator.
7. The roller shutter type aquatic product quick-freezing equipment as claimed in claim 5, which is characterized in that: the feeding device comprises: the high end of the hopper is connected with the lower end of the hopper through an inclined feeding channel and a vertical baffle; one end of the heat preservation box body is provided with a feeding through hole positioned at the upper side of the steel strip through hole; the upper end of the vertical baffle is connected with the transverse clapboard; the lower end of the inclined feeding channel penetrates through the feeding through hole and extends into the heat preservation box body, and the lower end of the inclined feeding channel is opposite to the vertical baffle.
8. The roller shutter type aquatic product quick-freezing equipment as claimed in claim 1, 2 or 3, which is characterized in that: the lower end of the inclined discharging channel is provided with a plurality of vibrators.
9. A roller shutter type quick-freezing method of aquatic product quick-freezing equipment is characterized in that: the roller shutter type aquatic product quick-freezing equipment is provided with a limiting structure of the roller shutter type aquatic product quick-freezing equipment as claimed in claims 1 to 8; step one, aquatic products entering from a hopper enter a heat preservation box body through an inclined feeding channel, and a vertical baffle blocks the aquatic products so that the aquatic products fall onto an aquatic product carrying steel belt; step two, the roller shutter driving motor drives the roller shutter cylinder to rotate through the driving chain wheel, the chain and the driven chain wheel, and drives the other end of the aquatic product carrying steel belt to move to the other end of the heat preservation box body along the longitudinal guide groove to continuously carry aquatic products; refrigerating an evaporator connected with a liquid supply device filled with cooling liquid, performing heat exchange and cooling on air positioned on the upper side of a transverse partition plate in the insulation box body and the evaporator to form cold air under the action of a fan, and enabling the cold air to pass through a cold air hole group to quickly freeze the aquatic products; step four, the stepping motor drives the longitudinal screw rod to rotate and drives the cross beam to move longitudinally through the nut, a piston rod of the lifting cylinder extends out to push the lifting block and the turning claw to descend, and the claw foot group turns the aquatic products to accelerate quick freezing of the aquatic products; and step five, after the aquatic products are quickly frozen, the cross beam is stopped at one end of the heat preservation box body, the roller shutter driving motor drives the roller shutter cylinder to rotate reversely through the driving chain wheel, the chain and the driven chain wheel, the other end of the aquatic product bearing steel belt moves towards one end of the heat preservation box body along the longitudinal guide groove, and under the blocking action of the claw foot group, the aquatic products fall onto the inclined discharging channel from the other end of the aquatic product bearing steel belt and slide out of the material through hole along the inclined discharging channel to fall and be collected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611013516.5A CN106721901B (en) | 2016-11-17 | 2016-11-17 | Rolling curtain type aquatic product quick-freezing equipment and quick-freezing method |
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| CN201611013516.5A CN106721901B (en) | 2016-11-17 | 2016-11-17 | Rolling curtain type aquatic product quick-freezing equipment and quick-freezing method |
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| CN106721901B true CN106721901B (en) | 2020-08-14 |
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| FR2693877B1 (en) * | 1992-07-21 | 1994-12-16 | Roger Dew | Method and installation for the freezing of food products as well as the frozen products obtained. |
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| CN2088536U (en) * | 1991-02-11 | 1991-11-13 | 王印峰 | Extensible chain type conveyer for loading/unloading steel pot |
| CN2166389Y (en) * | 1992-09-08 | 1994-05-25 | 毛丛军 | Tunnel type single-freezing machine |
| CN101357459A (en) * | 2008-09-04 | 2009-02-04 | 浙江工业大学 | Steel-belt retractable motion device |
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| CN106721901A (en) | 2017-05-31 |
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